diff options
68 files changed, 3943 insertions, 847 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index a60ddae2..b62aff08 100644 --- a/bsd-core/drmP.h +++ b/bsd-core/drmP.h @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $ - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.1 1999/09/25 14:37:59 dawes Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h,v 1.1 2000/06/17 00:03:28 martin Exp $ * */ diff --git a/bsd/Imakefile b/bsd/Imakefile index cf042d21..7d33c205 100644 --- a/bsd/Imakefile +++ b/bsd/Imakefile @@ -1,4 +1,4 @@ -XCOMM $XFree86$ +XCOMM $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/Imakefile,v 1.1 2000/06/17 00:03:28 martin Exp $ XCOMM $PI$ #include <Server.tmpl> diff --git a/bsd/drm/drmstat.c b/bsd/drm/drmstat.c index 0ce76b01..48fb1b16 100644 --- a/bsd/drm/drmstat.c +++ b/bsd/drm/drmstat.c @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.28 1999/08/04 18:12:11 faith Exp $ - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.1 1999/09/25 14:37:59 dawes Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm/drmstat.c,v 1.1 2000/06/17 00:03:30 martin Exp $ * */ diff --git a/bsd/drm/proc.c b/bsd/drm/proc.c index 12168aa3..3f6616ef 100644 --- a/bsd/drm/proc.c +++ b/bsd/drm/proc.c @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/proc.c,v 1.4 1999/08/20 15:36:46 faith Exp $ - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/proc.c,v 1.1 1999/09/25 14:38:02 dawes Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm/proc.c,v 1.1 2000/06/17 00:03:30 martin Exp $ * */ diff --git a/bsd/drm/sysctl.c b/bsd/drm/sysctl.c index 7c736abf..a890abac 100644 --- a/bsd/drm/sysctl.c +++ b/bsd/drm/sysctl.c @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * $PI$ - * $XFree86$ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm/sysctl.c,v 1.1 2000/06/17 00:03:31 martin Exp $ * */ @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $ - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.1 1999/09/25 14:37:59 dawes Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h,v 1.1 2000/06/17 00:03:28 martin Exp $ * */ diff --git a/bsd/mga_drm.h b/bsd/mga_drm.h index eefa28d3..fe1b9b9c 100644 --- a/bsd/mga_drm.h +++ b/bsd/mga_drm.h @@ -83,7 +83,9 @@ #define MGA_CTXREG_TDUAL0 7 #define MGA_CTXREG_TDUAL1 8 #define MGA_CTXREG_FCOL 9 -#define MGA_CTX_SETUP_SIZE 10 +#define MGA_CTXREG_STENCIL 10 +#define MGA_CTXREG_STENCILCTL 11 +#define MGA_CTX_SETUP_SIZE 12 /* 2d state */ @@ -233,6 +235,7 @@ typedef struct _drm_mga_sarea { /* Mechanism to validate card state. */ int ctxOwner; + int vertexsize; } drm_mga_sarea_t; /* Device specific ioctls: @@ -241,6 +244,8 @@ typedef struct _drm_mga_clear { unsigned int clear_color; unsigned int clear_depth; unsigned int flags; + unsigned int clear_depthmask; + unsigned int clear_color_mask; } drm_mga_clear_t; typedef struct _drm_mga_swap { diff --git a/bsd/r128_drm.h b/bsd/r128_drm.h index fa90d72d..bff103c2 100644 --- a/bsd/r128_drm.h +++ b/bsd/r128_drm.h @@ -25,7 +25,7 @@ * * Authors: Kevin E. Martin <kevin@precisioninsight.com> * - * $XFree86$ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/r128_drm.h,v 1.1 2000/06/17 00:03:29 martin Exp $ */ #ifndef _R128_DRM_H_ diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 167c9915..c561f01f 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -27,7 +27,7 @@ * Authors: Rickard E. (Rik) Faith <faith@valinux.com> * Kevin E. Martin <martin@valinux.com> * - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.14 2000/06/27 16:42:07 alanh Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.15 2000/08/09 14:44:27 alanh Exp $ * */ diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index e262213a..b1b8d976 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -2,52 +2,87 @@ # Makefile for the drm device driver. This driver provides support for # the Direct Rendering Infrastructure (DRI) in XFree86 4.x. # -# Note! Dependencies are done automagically by 'make dep', which also -# removes any old dependencies. DON'T put your own dependencies here -# unless it's something special (ie not a .c file). + +# drm.o is a fake target -- it is never built +# The real targets are in the module-list +O_TARGET := drm.o +module-list := gamma.o tdfx.o r128.o ffb.o mga.o i810.o +export-objs := $(patsubst %.o,%_drv.o,$(module-list)) + +# libs-objs are included in every module so that radical changes to the +# architecture of the DRM support library can be made at a later time. +# +# The downside is that each module is larger, and a system that uses +# more than one module (i.e., a dual-head system) will use more memory +# (but a system that uses exactly one module will use the same amount of +# memory). # -# Note 2! The CFLAGS definitions are now inherited from the -# parent makes.. +# The upside is that if the DRM support library ever becomes insufficient +# for new families of cards, a new library can be implemented for those new +# cards without impacting the drivers for the old cards. This is significant, +# because testing architectural changes to old cards may be impossible, and +# may delay the implementation of a better architecture. We've traded slight +# memory waste (in the dual-head case) for greatly improved long-term +# maintainability. # -# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $ +lib-objs := init.o memory.o proc.o auth.o context.o drawable.o bufs.o +lib-objs += lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o -L_TARGET := libdrm.a +ifeq ($(CONFIG_AGP),y) + lib-objs += agpsupport.o +else + ifeq ($(CONFIG_AGP),m) + lib-objs += agpsupport.o + endif +endif -L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \ - lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o \ - agpsupport.o +gamma-objs := $(lib-objs) gamma_drv.o gamma_dma.o +tdfx-objs := $(lib-objs) tdfx_drv.o tdfx_context.o +r128-objs := $(lib-objs) r128_drv.o r128_dma.o r128_context.o r128_bufs.o +ffb-objs := $(lib-objs) ffb_drv.o ffb_context.o +mga-objs := $(lib-objs) mga_drv.o mga_dma.o mga_context.o mga_bufs.o \ + mga_state.o +i810-objs := $(lib-objs) i810_drv.o i810_dma.o i810_context.o i810_bufs.o -M_OBJS := +obj-$(CONFIG_DRM_GAMMA) += gamma.o $(gamma-objs) +obj-$(CONFIG_DRM_TDFX) += tdfx.o $(tdfx-objs) +obj-$(CONFIG_DRM_R128) += r128.o $(r128-objs) +obj-$(CONFIG_DRM_FFB) += ffb.o $(ffb-objs) -ifdef CONFIG_DRM_GAMMA -M_OBJS += gamma.o +ifneq ($CONFIG_AGP),) +obj-$(CONFIG_DRM_MGA) += mga.o $(mga-objs) +obj-$(CONFIG_DRM_I810) += i810.o $(i810-objs) endif -ifdef CONFIG_DRM_TDFX -M_OBJS += tdfx.o -endif +# Take module names out of obj-y and int-m -ifdef CONFIG_DRM_MGA -M_OBJS += mga.o -endif +obj-y := $(filter-out $(module-list), $(obj-y)) +int-m := $(filter-out $(module-list), $(obj-m)) -ifdef CONFIG_DRM_R128 -M_OBJS += r128.o -endif +# Translate to Rules.make lists. + +O_OBJS := $(filter-out $(export-objs), $(obj-y)) +OX_OBJS := $(filter $(export-objs), $(obj-y)) +M_OBJS := $(sort $(filter $(module-list), $(obj-m))) +MI_OBJS := $(sort $(filter-out $(export-objs), $(int-m))) +MIX_OBJS := $(sort $(filter $(export-objs), $(int-m))) include $(TOPDIR)/Rules.make -gamma.o: gamma_drv.o gamma_dma.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o -L. -ldrm +gamma.o: $(gamma-objs) + $(LD) -r -o $@ $(gamma-objs) + +tdfx.o: $(tdfx-objs) + $(LD) -r -o $@ $(tdfx-objs) -tdfx.o: tdfx_drv.o tdfx_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o -L. -ldrm +mga.o: $(mga-objs) + $(LD) -r -o $@ $(mga-objs) -i810.o: i810_drv.o i810_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o i810_context.o -L. -ldrm +i810.o: $(i810-objs) + $(LD) -r -o $@ $(i810-objs) -mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o mga_context.o mga_state.o -L. -ldrm +r128.o: $(r128-objs) + $(LD) -r -o $@ $(r128-objs) -r128.o: r128_drv.o r128_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o -L. -ldrm +ffb.o: $(ffb-objs) + $(LD) -r -o $@ $(ffb-objs) diff --git a/linux-core/README.drm b/linux-core/README.drm index 1cc4c277..6441e01e 100644 --- a/linux-core/README.drm +++ b/linux-core/README.drm @@ -1,3 +1,7 @@ +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ The Direct Rendering Manager (drm) is a device-independent kernel-level device driver that provides support for the XFree86 Direct Rendering @@ -36,6 +40,7 @@ For specific information about kernel-level support, see: A Security Analysis of the Direct Rendering Infrastructure http://precisioninsight.com/dr/security.html - - -$XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/README.drm,v 1.2 1999/09/27 14:59:24 dawes Exp $ +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 9a2b125c..73d9b034 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -59,14 +59,17 @@ #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) #include <linux/types.h> #include <linux/agp_backend.h> #endif -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0) +#if LINUX_VERSION_CODE >= 0x020100 /* KERNEL_VERSION(2,1,0) */ #include <linux/tqueue.h> #include <linux/poll.h> #endif +#if LINUX_VERSION_CODE < 0x020400 +#include "compat-pre24.h" +#endif #include "drm.h" #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then @@ -138,6 +141,14 @@ typedef struct wait_queue *wait_queue_head_t; #define NOPAGE_OOM 0 #endif + /* module_init/module_exit added in 2.3.13 */ +#ifndef module_init +#define module_init(x) int init_module(void) { return x(); } +#endif +#ifndef module_exit +#define module_exit(x) void cleanup_module(void) { x(); } +#endif + /* Generic cmpxchg added in 2.3.x */ #ifndef __HAVE_ARCH_CMPXCHG /* Include this here so that driver can be @@ -387,6 +398,7 @@ typedef struct drm_freelist { int low_mark; /* Low water mark */ int high_mark; /* High water mark */ atomic_t wfh; /* If waiting for high mark */ + spinlock_t lock; } drm_freelist_t; typedef struct drm_buf_entry { @@ -474,7 +486,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -509,6 +521,11 @@ typedef struct { extern drm_agp_func_t drm_agp; #endif +typedef struct drm_sigdata { + int context; + drm_hw_lock_t *lock; +} drm_sigdata_t; + typedef struct drm_device { const char *name; /* Simple driver name */ char *unique; /* Unique identifier: e.g., busid */ @@ -563,9 +580,9 @@ typedef struct drm_device { /* Context support */ int irq; /* Interrupt used by board */ - __volatile__ int context_flag; /* Context swapping flag */ - __volatile__ int interrupt_flag;/* Interruption handler flag */ - __volatile__ int dma_flag; /* DMA dispatch flag */ + __volatile__ long context_flag; /* Context swapping flag */ + __volatile__ long interrupt_flag; /* Interruption handler flag */ + __volatile__ long dma_flag; /* DMA dispatch flag */ struct timer_list timer; /* Timer for delaying ctx switch */ wait_queue_head_t context_wait; /* Processes waiting on ctx switch */ int last_checked; /* Last context checked for DMA */ @@ -588,11 +605,13 @@ typedef struct drm_device { wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) drm_agp_head_t *agp; #endif unsigned long *ctx_bitmap; void *dev_private; + drm_sigdata_t sigdata; /* For block_all_signals */ + sigset_t sigmask; } drm_device_t; @@ -623,6 +642,9 @@ extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); +extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access); extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); @@ -634,6 +656,9 @@ extern struct page *drm_vm_nopage(struct vm_area_struct *vma, extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); +extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access); extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); @@ -665,7 +690,7 @@ extern void drm_free_pages(unsigned long address, int order, extern void *drm_ioremap(unsigned long offset, unsigned long size); extern void drm_ioremapfree(void *pt, unsigned long size); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) extern agp_memory *drm_alloc_agp(int pages, u32 type); extern int drm_free_agp(agp_memory *handle, int pages); extern int drm_bind_agp(agp_memory *handle, unsigned int start); @@ -708,7 +733,6 @@ extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); extern int drm_context_switch(drm_device_t *dev, int old, int new); extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_wakeup(drm_device_t *dev, drm_buf_t *buf); extern void drm_clear_next_buffer(drm_device_t *dev); extern int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)); @@ -782,6 +806,7 @@ extern int drm_flush_unblock(drm_device_t *dev, int context, drm_lock_flags_t flags); extern int drm_flush_block_and_flush(drm_device_t *dev, int context, drm_lock_flags_t flags); +extern int drm_notifier(void *priv); /* Context Bitmap support (ctxbitmap.c) */ extern int drm_ctxbitmap_init(drm_device_t *dev); @@ -789,9 +814,10 @@ extern void drm_ctxbitmap_cleanup(drm_device_t *dev); extern int drm_ctxbitmap_next(drm_device_t *dev); extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* AGP/GART support (agpsupport.c) */ extern drm_agp_head_t *drm_agp_init(void); +extern void drm_agp_uninit(void); extern int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_agp_release(struct inode *inode, struct file *filp, diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c index 96b7a44f..14c78071 100644 --- a/linux-core/i810_dma.c +++ b/linux-core/i810_dma.c @@ -33,7 +33,6 @@ #define __NO_VERSION__ #include "drmP.h" #include "i810_drv.h" - #include <linux/interrupt.h> /* For task queue support */ /* in case we don't have a 2.3.99-pre6 kernel or later: */ @@ -156,16 +155,23 @@ static struct file_operations i810_buffer_fops = { int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_i810_private_t *dev_priv = dev->dev_private; - drm_buf_t *buf = dev_priv->mmap_buffer; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i810_private_t *dev_priv; + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + + lock_kernel(); + dev = priv->dev; + dev_priv = dev->dev_private; + buf = dev_priv->mmap_buffer; + buf_priv = buf->dev_private; vma->vm_flags |= (VM_IO | VM_DONTCOPY); vma->vm_file = filp; buf_priv->currently_mapped = I810_BUF_MAPPED; + unlock_kernel(); if (remap_page_range(vma->vm_start, VM_OFFSET(vma), @@ -184,23 +190,29 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp) int retcode = 0; if(buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL; - down(¤t->mm->mmap_sem); - old_fops = filp->f_op; - filp->f_op = &i810_buffer_fops; - dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, - PROT_READ|PROT_WRITE, - MAP_SHARED, - buf->bus_address); - dev_priv->mmap_buffer = NULL; - filp->f_op = old_fops; - if ((unsigned long)buf_priv->virtual > -1024UL) { - /* Real error */ - DRM_DEBUG("mmap error\n"); - retcode = (signed int)buf_priv->virtual; - buf_priv->virtual = 0; + + if(VM_DONTCOPY != 0) { + down(¤t->mm->mmap_sem); + old_fops = filp->f_op; + filp->f_op = &i810_buffer_fops; + dev_priv->mmap_buffer = buf; + buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + PROT_READ|PROT_WRITE, + MAP_SHARED, + buf->bus_address); + dev_priv->mmap_buffer = NULL; + filp->f_op = old_fops; + if ((unsigned long)buf_priv->virtual > -1024UL) { + /* Real error */ + DRM_DEBUG("mmap error\n"); + retcode = (signed int)buf_priv->virtual; + buf_priv->virtual = 0; + } + up(¤t->mm->mmap_sem); + } else { + buf_priv->virtual = buf_priv->kernel_virtual; + buf_priv->currently_mapped = I810_BUF_MAPPED; } - up(¤t->mm->mmap_sem); return retcode; } @@ -209,13 +221,22 @@ static int i810_unmap_buffer(drm_buf_t *buf) drm_i810_buf_priv_t *buf_priv = buf->dev_private; int retcode = 0; - if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL; - down(¤t->mm->mmap_sem); - retcode = do_munmap(current->mm, (unsigned long)buf_priv->virtual, - (size_t) buf->total); + if(VM_DONTCOPY != 0) { + if(buf_priv->currently_mapped != I810_BUF_MAPPED) + return -EINVAL; + down(¤t->mm->mmap_sem); +#if LINUX_VERSION_CODE < 0x020399 + retcode = do_munmap((unsigned long)buf_priv->virtual, + (size_t) buf->total); +#else + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, + (size_t) buf->total); +#endif + up(¤t->mm->mmap_sem); + } buf_priv->currently_mapped = I810_BUF_UNMAPPED; buf_priv->virtual = 0; - up(¤t->mm->mmap_sem); return retcode; } @@ -261,8 +282,8 @@ static unsigned long i810_alloc_page(drm_device_t *dev) if(address == 0UL) return 0; - atomic_inc(&mem_map[MAP_NR((void *) address)].count); - set_bit(PG_locked, &mem_map[MAP_NR((void *) address)].flags); + atomic_inc(&virt_to_page(address)->count); + set_bit(PG_locked, &virt_to_page(address)->flags); return address; } @@ -272,9 +293,9 @@ static void i810_free_page(drm_device_t *dev, unsigned long page) if(page == 0UL) return; - atomic_dec(&mem_map[MAP_NR((void *) page)].count); - clear_bit(PG_locked, &mem_map[MAP_NR((void *) page)].flags); - wake_up(&mem_map[MAP_NR((void *) page)].wait); + atomic_dec(&virt_to_page(page)->count); + clear_bit(PG_locked, &virt_to_page(page)->flags); + wake_up(&virt_to_page(page)->wait); free_page(page); return; } @@ -1206,6 +1227,15 @@ int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd, } if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_QUIESCENT) { DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); DRM_DEBUG("fred\n"); @@ -1354,3 +1384,43 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, return retcode; } + +int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_i810_copy_t d; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + drm_device_dma_t *dma = dev->dma; + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("i810_dma called without lock held\n"); + return -EINVAL; + } + + copy_from_user_ret(&d, (drm_i810_copy_t *)arg, sizeof(d), -EFAULT); + + if(d.idx > dma->buf_count) return -EINVAL; + buf = dma->buflist[ d.idx ]; + buf_priv = buf->dev_private; + if (buf_priv->currently_mapped != I810_BUF_MAPPED) return -EPERM; + + copy_from_user_ret(buf_priv->virtual, d.address, d.used, -EFAULT); + + sarea_priv->last_dispatch = (int) hw_status[5]; + + return 0; +} + +int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + if(VM_DONTCOPY == 0) return 1; + return 0; +} diff --git a/linux-core/i810_drm.h b/linux-core/i810_drm.h index 4c8e09f6..c5f51c9a 100644 --- a/linux-core/i810_drm.h +++ b/linux-core/i810_drm.h @@ -178,6 +178,12 @@ typedef struct _drm_i810_vertex { int discard; /* client is finished with the buffer? */ } drm_i810_vertex_t; +typedef struct _drm_i810_copy_t { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + void *address; /* Address to copy from */ +} drm_i810_copy_t; + typedef struct drm_i810_dma { void *virtual; int request_idx; diff --git a/linux-core/i810_drv.c b/linux-core/i810_drv.c index 6f78fbc9..183e7fd7 100644 --- a/linux-core/i810_drv.c +++ b/linux-core/i810_drv.c @@ -30,25 +30,24 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "i810_drv.h" - -EXPORT_SYMBOL(i810_init); -EXPORT_SYMBOL(i810_cleanup); - #define I810_NAME "i810" #define I810_DESC "Intel I810" -#define I810_DATE "19991213" +#define I810_DATE "20000719" #define I810_MAJOR 1 -#define I810_MINOR 0 +#define I810_MINOR 1 #define I810_PATCHLEVEL 0 static drm_device_t i810_device; drm_ctx_t i810_res_ctx; static struct file_operations i810_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: i810_open, flush: drm_flush, release: i810_release, @@ -112,52 +111,33 @@ static drm_ioctl_desc_t i810_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, }; #define I810_IOCTL_COUNT DRM_ARRAY_SIZE(i810_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *i810 = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("Intel I810"); MODULE_PARM(i810, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - DRM_DEBUG("doing i810_init()\n"); - return i810_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - i810_cleanup(); -} -#endif - #ifndef MODULE -/* i810_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* i810_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init i810_setup(char *str, int *ints) +static int __init i810_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("i810=", i810_options); #endif static int i810_setup(drm_device_t *dev) @@ -358,7 +338,7 @@ static int i810_takedown(drm_device_t *dev) /* i810_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int i810_init(void) +static int i810_init(void) { int retcode; drm_device_t *dev = &i810_device; @@ -417,7 +397,7 @@ int i810_init(void) /* i810_cleanup is called via cleanup_module at module unload time. */ -void i810_cleanup(void) +static void i810_cleanup(void) { drm_device_t *dev = &i810_device; @@ -432,11 +412,16 @@ void i810_cleanup(void) drm_ctxbitmap_cleanup(dev); i810_takedown(dev); if (dev->agp) { + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } } +module_init(i810_init); +module_exit(i810_cleanup); + + int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -478,7 +463,9 @@ int i810_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -493,9 +480,11 @@ int i810_open(struct inode *inode, struct file *filp) int i810_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); @@ -557,7 +546,9 @@ int i810_release(struct inode *inode, struct file *filp) up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -566,12 +557,15 @@ int i810_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); - return i810_takedown(dev); + unlock_kernel(); + return i810_takedown(dev); } - spin_unlock(&dev->count_lock); + spin_unlock(&dev->count_lock); + unlock_kernel(); return retcode; } @@ -648,5 +642,6 @@ int i810_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - dev->lck_start)]); #endif + unblock_all_signals(); return 0; } diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h index c387bf72..1c957401 100644 --- a/linux-core/i810_drv.h +++ b/linux-core/i810_drv.h @@ -77,8 +77,6 @@ typedef struct drm_i810_private { } drm_i810_private_t; /* i810_drv.c */ -extern int i810_init(void); -extern void i810_cleanup(void); extern int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_open(struct inode *inode, struct file *filp); @@ -106,7 +104,10 @@ extern void i810_reclaim_buffers(drm_device_t *dev, pid_t pid); extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); - +extern int i810_copybuf(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int i810_docopy(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* i810_bufs.c */ extern int i810_addbufs(struct inode *inode, struct file *filp, diff --git a/linux-core/mga_drv.c b/linux-core/mga_drv.c index e77d827b..e7547c06 100644 --- a/linux-core/mga_drv.c +++ b/linux-core/mga_drv.c @@ -31,16 +31,13 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "mga_drv.h" -EXPORT_SYMBOL(mga_init); -EXPORT_SYMBOL(mga_cleanup); #define MGA_NAME "mga" #define MGA_DESC "Matrox g200/g400" -#define MGA_DATE "19991213" -#define MGA_MAJOR 1 +#define MGA_DATE "20000831" +#define MGA_MAJOR 2 #define MGA_MINOR 0 #define MGA_PATCHLEVEL 0 @@ -48,6 +45,10 @@ static drm_device_t mga_device; drm_ctx_t mga_res_ctx; static struct file_operations mga_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: mga_open, flush: drm_flush, release: mga_release, @@ -118,47 +119,26 @@ static drm_ioctl_desc_t mga_ioctls[] = { #define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *mga = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("Matrox g200/g400"); MODULE_PARM(mga, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - DRM_DEBUG("doing mga_init()\n"); - return mga_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - mga_cleanup(); -} -#endif - #ifndef MODULE -/* mga_setup is called by the kernel to parse command-line options passed +/* mga_options is called by the kernel to parse command-line options passed * via the boot-loader (e.g., LILO). It calls the insmod option routine, * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - + */ -void __init mga_setup(char *str, int *ints) +static int __init mga_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("mga=", mga_options); #endif static int mga_setup(drm_device_t *dev) @@ -357,7 +337,7 @@ static int mga_takedown(drm_device_t *dev) /* mga_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int mga_init(void) +static int mga_init(void) { int retcode; drm_device_t *dev = &mga_device; @@ -422,7 +402,7 @@ int mga_init(void) /* mga_cleanup is called via cleanup_module at module unload time. */ -void mga_cleanup(void) +static void mga_cleanup(void) { drm_device_t *dev = &mga_device; @@ -448,11 +428,16 @@ void mga_cleanup(void) mga_takedown(dev); if (dev->agp) { + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } } +module_init(mga_init); +module_exit(mga_cleanup); + + int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -494,7 +479,9 @@ int mga_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -509,9 +496,11 @@ int mga_open(struct inode *inode, struct file *filp) int mga_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); @@ -573,7 +562,9 @@ int mga_release(struct inode *inode, struct file *filp) up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -582,12 +573,15 @@ int mga_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return mga_takedown(dev); } - spin_unlock(&dev->count_lock); + spin_unlock(&dev->count_lock); + unlock_kernel(); return retcode; } @@ -661,5 +655,6 @@ int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, DRM_ERROR("\n"); } + unblock_all_signals(); return 0; } diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c index 4c065551..bb24b13e 100644 --- a/linux-core/r128_drv.c +++ b/linux-core/r128_drv.c @@ -30,15 +30,12 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "r128_drv.h" -EXPORT_SYMBOL(r128_init); -EXPORT_SYMBOL(r128_cleanup); #define R128_NAME "r128" -#define R128_DESC "r128" -#define R128_DATE "20000607" +#define R128_DESC "ATI Rage 128" +#define R128_DATE "20000719" #define R128_MAJOR 1 #define R128_MINOR 0 #define R128_PATCHLEVEL 0 @@ -47,6 +44,10 @@ static drm_device_t r128_device; drm_ctx_t r128_res_ctx; static struct file_operations r128_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: r128_open, flush: drm_flush, release: r128_release, @@ -93,7 +94,7 @@ static drm_ioctl_desc_t r128_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, @@ -114,46 +115,26 @@ static drm_ioctl_desc_t r128_ioctls[] = { #define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *r128 = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("r128"); MODULE_PARM(r128, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - return r128_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - r128_cleanup(); -} -#endif - #ifndef MODULE -/* r128_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* r128_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init r128_setup(char *str, int *ints) +static int __init r128_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("r128=", r128_options); #endif static int r128_setup(drm_device_t *dev) @@ -255,7 +236,7 @@ static int r128_takedown(drm_device_t *dev) dev->magiclist[i].head = dev->magiclist[i].tail = NULL; } -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* Clear AGP information */ if (dev->agp) { drm_agp_mem_t *entry; @@ -342,7 +323,7 @@ static int r128_takedown(drm_device_t *dev) /* r128_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int r128_init(void) +static int r128_init(void) { int retcode; drm_device_t *dev = &r128_device; @@ -367,7 +348,7 @@ int r128_init(void) drm_mem_init(); drm_proc_init(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) dev->agp = drm_agp_init(); if (dev->agp == NULL) { DRM_ERROR("Cannot initialize agpgart module.\n"); @@ -406,7 +387,7 @@ int r128_init(void) /* r128_cleanup is called via cleanup_module at module unload time. */ -void r128_cleanup(void) +static void r128_cleanup(void) { drm_device_t *dev = &r128_device; @@ -420,15 +401,19 @@ void r128_cleanup(void) } drm_ctxbitmap_cleanup(dev); r128_takedown(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) if (dev->agp) { - /* FIXME -- free other information, too */ + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } #endif } +module_init(r128_init); +module_exit(r128_cleanup); + + int r128_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -470,7 +455,9 @@ int r128_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -479,18 +466,23 @@ int r128_open(struct inode *inode, struct file *filp) } spin_unlock(&dev->count_lock); } + return retcode; } int r128_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_release(inode, filp))) { - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -499,13 +491,17 @@ int r128_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return r128_takedown(dev); } spin_unlock(&dev->count_lock); } + + unlock_kernel(); return retcode; } @@ -660,6 +656,15 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd, #endif if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_READY) { /* Wait for space in DMA/FIFO */ } @@ -671,19 +676,11 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - DRM_ERROR("pid = %5d, old counter = %5ld\n", - current->pid, current->counter); -#endif +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != r128_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY/4; } -#if 0 - while (current->counter > 25) - current->counter >>= 1; /* decrease time slice */ - DRM_ERROR("pid = %5d, new counter = %5ld\n", - current->pid, current->counter); #endif DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); @@ -725,20 +722,13 @@ int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - current->policy |= SCHED_YIELD; - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1000); -#endif - +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != r128_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY; } -#if 0 - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(10); #endif + unblock_all_signals(); return 0; } diff --git a/linux-core/sis_drv.c b/linux-core/sis_drv.c new file mode 100644 index 00000000..06ae7988 --- /dev/null +++ b/linux-core/sis_drv.c @@ -0,0 +1,709 @@ +/* sis.c -- sis driver -*- linux-c -*- + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/config.h> +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" + +#define SIS_NAME "sis" +#define SIS_DESC "sis" +#define SIS_DATE "19991009" +#define SIS_MAJOR 0 +#define SIS_MINOR 0 +#define SIS_PATCHLEVEL 1 + +static drm_device_t sis_device; +drm_ctx_t sis_res_ctx; + +static struct file_operations sis_fops = { + open: sis_open, + flush: drm_flush, + release: sis_release, + ioctl: sis_ioctl, + mmap: drm_mmap, + read: drm_read, + fasync: drm_fasync, + poll: drm_poll, +}; + +static struct miscdevice sis_misc = { + minor: MISC_DYNAMIC_MINOR, + name: SIS_NAME, + fops: &sis_fops, +}; + +static drm_ioctl_desc_t sis_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { sis_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { sis_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { sis_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { sis_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { sis_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { sis_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { sis_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { sis_resctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { sis_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { sis_unlock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, + +#ifdef DRM_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, +#endif + + /* FB Memory Management */ + [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, + + /* AGP Memory Management */ + [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sis_agp_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sis_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sis_agp_free, 1, 1 }, + +#if defined(SIS_STEREO) + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 }, +#endif +}; +#define SIS_IOCTL_COUNT DRM_ARRAY_SIZE(sis_ioctls) + +#ifdef MODULE +static char *sis = NULL; +#endif + +MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_DESCRIPTION("sis"); +MODULE_PARM(sis, "s"); + +static int sis_setup(drm_device_t *dev) +{ + int i; + + atomic_set(&dev->ioctl_count, 0); + atomic_set(&dev->vma_count, 0); + dev->buf_use = 0; + atomic_set(&dev->buf_alloc, 0); + + atomic_set(&dev->total_open, 0); + atomic_set(&dev->total_close, 0); + atomic_set(&dev->total_ioctl, 0); + atomic_set(&dev->total_irq, 0); + atomic_set(&dev->total_ctx, 0); + atomic_set(&dev->total_locks, 0); + atomic_set(&dev->total_unlocks, 0); + atomic_set(&dev->total_contends, 0); + atomic_set(&dev->total_sleeps, 0); + + for (i = 0; i < DRM_HASH_SIZE; i++) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head(&dev->lock.lock_queue); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer(&dev->timer); + init_waitqueue_head(&dev->context_wait); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head(&dev->buf_readers); + init_waitqueue_head(&dev->buf_writers); + + sis_res_ctx.handle=-1; + + DRM_DEBUG("\n"); + + /* The kernel's context could be created here, but is now created + in drm_dma_enqueue. This is more resource-efficient for + hardware that does not do DMA, but may mean that + drm_select_queue fails between the time the interrupt is + initialized and the time the queues are initialized. */ + + return 0; +} + + +static int sis_takedown(drm_device_t *dev) +{ + int i; + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + + DRM_DEBUG("\n"); + +#if defined(SIS_STEREO) + if (dev->irq) sis_irq_uninstall(dev); +#endif + + down(&dev->struct_sem); + del_timer(&dev->timer); + + if (dev->devname) { + drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); + dev->devname = NULL; + } + + if (dev->unique) { + drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for (i = 0; i < DRM_HASH_SIZE; i++) { + for (pt = dev->magiclist[i].head; pt; pt = next) { + next = pt->next; + drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } +#ifdef DRM_AGP + /* Clear AGP information */ + if (dev->agp) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until cleanup is called. */ + for (entry = dev->agp->memory; entry; entry = nexte) { + nexte = entry->next; + if (entry->bound) drm_unbind_agp(entry->memory); + drm_free_agp(entry->memory, entry->pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + } + dev->agp->memory = NULL; + + if (dev->agp->acquired && drm_agp.release) + (*drm_agp.release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if (dev->vmalist) { + for (vma = dev->vmalist; vma; vma = vma_next) { + vma_next = vma->next; + drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if (dev->maplist) { + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifdef CONFIG_MTRR + if (map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } +#endif + drm_ioremapfree(map->handle, map->size); + break; + case _DRM_SHM: + drm_free_pages((unsigned long)map->handle, + drm_order(map->size) + - PAGE_SHIFT, + DRM_MEM_SAREA); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + handled in the AGP/GART driver. */ + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + drm_free(dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS); + dev->maplist = NULL; + dev->map_count = 0; + } + + if (dev->lock.hw_lock) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible(&dev->lock.lock_queue); + } + up(&dev->struct_sem); + + return 0; +} + +/* sis_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). */ + +int sis_init(void) +{ + int retcode; + drm_device_t *dev = &sis_device; + + DRM_DEBUG("\n"); + + memset((void *)dev, 0, sizeof(*dev)); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init(&dev->struct_sem, 1); + +#ifdef MODULE + drm_parse_options(sis); +#endif + + if ((retcode = misc_register(&sis_misc))) { + DRM_ERROR("Cannot register \"%s\"\n", SIS_NAME); + return retcode; + } + dev->device = MKDEV(MISC_MAJOR, sis_misc.minor); + dev->name = SIS_NAME; + + drm_mem_init(); + drm_proc_init(dev); + +#ifdef DRM_AGP + DRM_DEBUG("doing agp init\n"); + dev->agp = drm_agp_init(); + if(dev->agp == NULL) { + /* TODO, if no agp, run MMIO mode */ + DRM_INFO("The sis drm module requires the agpgart module" + " to function correctly\nPlease load the agpgart" + " module before you load the mga module\n"); + drm_proc_cleanup(); + misc_deregister(&sis_misc); + sis_takedown(dev); + return -ENOMEM; + } +#ifdef CONFIG_MTRR + dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024 * 1024, + MTRR_TYPE_WRCOMB, + 1); +#endif +#endif + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", + SIS_NAME, + SIS_MAJOR, + SIS_MINOR, + SIS_PATCHLEVEL, + SIS_DATE, + sis_misc.minor); + + return 0; +} + +/* sis_cleanup is called via cleanup_module at module unload time. */ + +void sis_cleanup(void) +{ + drm_device_t *dev = &sis_device; + + DRM_DEBUG("\n"); + + drm_proc_cleanup(); + if (misc_deregister(&sis_misc)) { + DRM_ERROR("Cannot unload module\n"); + } else { + DRM_INFO("Module unloaded\n"); + } +#ifdef DRM_AGP +#ifdef CONFIG_MTRR + if(dev->agp && dev->agp->agp_mtrr) { + int retval; + retval = mtrr_del(dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024*1024); + DRM_DEBUG("mtrr_del = %d\n", retval); + } +#endif +#endif + + sis_takedown(dev); +#ifdef DRM_AGP + if (dev->agp) { + drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); + dev->agp = NULL; + } +#endif +} + +int sis_version(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_version_t version; + int len; + + copy_from_user_ret(&version, + (drm_version_t *)arg, + sizeof(version), + -EFAULT); + +#define DRM_COPY(name,value) \ + len = strlen(value); \ + if (len > name##_len) len = name##_len; \ + name##_len = strlen(value); \ + if (len && name) { \ + copy_to_user_ret(name, value, len, -EFAULT); \ + } + + version.version_major = SIS_MAJOR; + version.version_minor = SIS_MINOR; + version.version_patchlevel = SIS_PATCHLEVEL; + + DRM_COPY(version.name, SIS_NAME); + DRM_COPY(version.date, SIS_DATE); + DRM_COPY(version.desc, SIS_DESC); + + copy_to_user_ret((drm_version_t *)arg, + &version, + sizeof(version), + -EFAULT); + return 0; +} + +int sis_open(struct inode *inode, struct file *filp) +{ + drm_device_t *dev = &sis_device; + int retcode = 0; + + DRM_DEBUG("open_count = %d\n", dev->open_count); + + if (!(retcode = drm_open_helper(inode, filp, dev))) { + MOD_INC_USE_COUNT; + atomic_inc(&dev->total_open); + spin_lock(&dev->count_lock); + if (!dev->open_count++) { + spin_unlock(&dev->count_lock); + return sis_setup(dev); + } + spin_unlock(&dev->count_lock); + } + return retcode; +} + +int sis_release(struct inode *inode, struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode = 0; + + DRM_DEBUG("open_count = %d\n", dev->open_count); + + if (!(retcode = drm_release(inode, filp))) { + MOD_DEC_USE_COUNT; + atomic_inc(&dev->total_close); + spin_lock(&dev->count_lock); + if (!--dev->open_count) { + if (atomic_read(&dev->ioctl_count) || dev->blocked) { + DRM_ERROR("Device busy: %d %d\n", + atomic_read(&dev->ioctl_count), + dev->blocked); + spin_unlock(&dev->count_lock); + return -EBUSY; + } + spin_unlock(&dev->count_lock); + return sis_takedown(dev); + } + spin_unlock(&dev->count_lock); + } + return retcode; +} + +/* sis_ioctl is called whenever a process performs an ioctl on /dev/drm. */ + +int sis_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + int nr = DRM_IOCTL_NR(cmd); + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode = 0; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + + atomic_inc(&dev->ioctl_count); + atomic_inc(&dev->total_ioctl); + ++priv->ioctl_count; + + DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", + current->pid, cmd, nr, dev->device, priv->authenticated); + + if (nr >= SIS_IOCTL_COUNT) { + retcode = -EINVAL; + } else { + ioctl = &sis_ioctls[nr]; + func = ioctl->func; + + if (!func) { + DRM_DEBUG("no function\n"); + retcode = -EINVAL; + } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) + || (ioctl->auth_needed && !priv->authenticated)) { + retcode = -EACCES; + } else { + retcode = (func)(inode, filp, cmd, arg); + } + } + + atomic_dec(&dev->ioctl_count); + return retcode; +} + +int sis_lock(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE(entry, current); + int ret = 0; + drm_lock_t lock; +#if DRM_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + copy_from_user_ret(&lock, (drm_lock_t *)arg, sizeof(lock), -EFAULT); + + if (lock.context == DRM_KERNEL_CONTEXT) { + DRM_ERROR("Process %d using kernel context %d\n", + current->pid, lock.context); + return -EINVAL; + } + + DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, dev->lock.hw_lock->lock, + lock.flags); + +#if 0 + /* dev->queue_count == 0 right now for + sis. FIXME? */ + if (lock.context < 0 || lock.context >= dev->queue_count) + return -EINVAL; +#endif + + if (!ret) { +#if 0 + if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) + != lock.context) { + long j = jiffies - dev->lock.lock_time; + + if (lock.context == sis_res_ctx.handle && + j >= 0 && j < DRM_LOCK_SLICE) { + /* Can't take lock if we just had it and + there is contention. */ + DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n", + lock.context, current->pid, j, + dev->lock.lock_time, jiffies); + current->state = TASK_INTERRUPTIBLE; + current->policy |= SCHED_YIELD; + schedule_timeout(DRM_LOCK_SLICE-j); + DRM_DEBUG("jiffies=%d\n", jiffies); + } + } +#endif + add_wait_queue(&dev->lock.lock_queue, &entry); + for (;;) { + if (!dev->lock.hw_lock) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if (drm_lock_take(&dev->lock.hw_lock->lock, + lock.context)) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc(&dev->total_locks); + break; /* Got lock */ + } + + /* Contention */ + atomic_inc(&dev->total_sleeps); + current->state = TASK_INTERRUPTIBLE; + current->policy |= SCHED_YIELD; + schedule(); + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue(&dev->lock.lock_queue, &entry); + } + +#if 0 + if (!ret && dev->last_context != lock.context && + lock.context != sis_res_ctx.handle && + dev->last_context != sis_res_ctx.handle) { + add_wait_queue(&dev->context_wait, &entry); + current->state = TASK_INTERRUPTIBLE; + /* PRE: dev->last_context != lock.context */ + sis_context_switch(dev, dev->last_context, lock.context); + /* POST: we will wait for the context + switch and will dispatch on a later call + when dev->last_context == lock.context + NOTE WE HOLD THE LOCK THROUGHOUT THIS + TIME! */ + current->policy |= SCHED_YIELD; + schedule(); + current->state = TASK_RUNNING; + remove_wait_queue(&dev->context_wait, &entry); + if (signal_pending(current)) { + ret = -EINTR; + } else if (dev->last_context != lock.context) { + DRM_ERROR("Context mismatch: %d %d\n", + dev->last_context, lock.context); + } + } +#endif + + if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + + if (lock.flags & _DRM_LOCK_READY) { + /* Wait for space in DMA/FIFO */ + } + if (lock.flags & _DRM_LOCK_QUIESCENT) { + /* Make hardware quiescent */ +#if 0 + sis_quiescent(dev); +#endif + } + } + + DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); + +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); +#endif + + return ret; +} + + +int sis_unlock(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + copy_from_user_ret(&lock, (drm_lock_t *)arg, sizeof(lock), -EFAULT); + + if (lock.context == DRM_KERNEL_CONTEXT) { + DRM_ERROR("Process %d using kernel context %d\n", + current->pid, lock.context); + return -EINVAL; + } + + DRM_DEBUG("%d frees lock (%d holds)\n", + lock.context, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); + atomic_inc(&dev->total_unlocks); + if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) + atomic_inc(&dev->total_contends); + drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); + /* FIXME: Try to send data to card here */ + if (!dev->context_flag) { + if (drm_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("\n"); + } + } + + unblock_all_signals(); + return 0; +} + +module_init(sis_init); +module_exit(sis_cleanup); + +#ifndef MODULE +/* + * sis_setup is called by the kernel to parse command-line options passed + * via the boot-loader (e.g., LILO). It calls the insmod option routine, + * drm_parse_options. + */ +static int __init sis_options(char *str) +{ + drm_parse_options(str); + return 1; +} + +__setup("sis=", sis_options); +#endif diff --git a/linux-core/tdfx_drv.c b/linux-core/tdfx_drv.c index 582832b5..07febea1 100644 --- a/linux-core/tdfx_drv.c +++ b/linux-core/tdfx_drv.c @@ -31,15 +31,12 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "tdfx_drv.h" -EXPORT_SYMBOL(tdfx_init); -EXPORT_SYMBOL(tdfx_cleanup); #define TDFX_NAME "tdfx" -#define TDFX_DESC "tdfx" -#define TDFX_DATE "19991009" +#define TDFX_DESC "3dfx Banshee/Voodoo3+" +#define TDFX_DATE "20000719" #define TDFX_MAJOR 1 #define TDFX_MINOR 0 #define TDFX_PATCHLEVEL 0 @@ -48,6 +45,10 @@ static drm_device_t tdfx_device; drm_ctx_t tdfx_res_ctx; static struct file_operations tdfx_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: tdfx_open, flush: drm_flush, release: tdfx_release, @@ -88,7 +89,7 @@ static drm_ioctl_desc_t tdfx_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { tdfx_lock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { tdfx_unlock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire, 1, 1}, [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release, 1, 1}, [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable, 1, 1}, @@ -102,46 +103,26 @@ static drm_ioctl_desc_t tdfx_ioctls[] = { #define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *tdfx = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("tdfx"); MODULE_PARM(tdfx, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - return tdfx_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - tdfx_cleanup(); -} -#endif - #ifndef MODULE -/* tdfx_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* tdfx_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init tdfx_setup(char *str, int *ints) +static int __init tdfx_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("tdfx=", tdfx_options); #endif static int tdfx_setup(drm_device_t *dev) @@ -241,7 +222,7 @@ static int tdfx_takedown(drm_device_t *dev) } dev->magiclist[i].head = dev->magiclist[i].tail = NULL; } -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* Clear AGP information */ if (dev->agp) { drm_agp_mem_t *temp; @@ -254,9 +235,7 @@ static int tdfx_takedown(drm_device_t *dev) drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS); temp = temp_next; } - if(dev->agp->acquired) (*drm_agp.release)(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; + if (dev->agp->acquired) (*drm_agp.release)(); } #endif /* Clear vma list (only built for debugging) */ @@ -319,7 +298,7 @@ static int tdfx_takedown(drm_device_t *dev) /* tdfx_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int tdfx_init(void) +static int tdfx_init(void) { int retcode; drm_device_t *dev = &tdfx_device; @@ -343,7 +322,7 @@ int tdfx_init(void) drm_mem_init(); drm_proc_init(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) dev->agp = drm_agp_init(); #endif if((retcode = drm_ctxbitmap_init(dev))) { @@ -367,7 +346,7 @@ int tdfx_init(void) /* tdfx_cleanup is called via cleanup_module at module unload time. */ -void tdfx_cleanup(void) +static void tdfx_cleanup(void) { drm_device_t *dev = &tdfx_device; @@ -381,8 +360,19 @@ void tdfx_cleanup(void) } drm_ctxbitmap_cleanup(dev); tdfx_takedown(dev); +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + if (dev->agp) { + drm_agp_uninit(); + drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); + dev->agp = NULL; + } +#endif } +module_init(tdfx_init); +module_exit(tdfx_cleanup); + + int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -424,7 +414,9 @@ int tdfx_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -439,12 +431,17 @@ int tdfx_open(struct inode *inode, struct file *filp) int tdfx_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; + DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_release(inode, filp))) { - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -453,13 +450,17 @@ int tdfx_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return tdfx_takedown(dev); } spin_unlock(&dev->count_lock); } + + unlock_kernel(); return retcode; } @@ -614,6 +615,16 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, #endif if (!ret) { +#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */ + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); +#endif if (lock.flags & _DRM_LOCK_READY) { /* Wait for space in DMA/FIFO */ } @@ -625,19 +636,11 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - DRM_ERROR("pid = %5d, old counter = %5ld\n", - current->pid, current->counter); -#endif +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != tdfx_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY/4; } -#if 0 - while (current->counter > 25) - current->counter >>= 1; /* decrease time slice */ - DRM_ERROR("pid = %5d, new counter = %5ld\n", - current->pid, current->counter); #endif DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); @@ -679,20 +682,15 @@ int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - current->policy |= SCHED_YIELD; - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1000); -#endif - +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != tdfx_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY; } -#if 0 - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(10); #endif +#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */ + unblock_all_signals(); +#endif return 0; } diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel index e262213a..b1b8d976 100644 --- a/linux/Makefile.kernel +++ b/linux/Makefile.kernel @@ -2,52 +2,87 @@ # Makefile for the drm device driver. This driver provides support for # the Direct Rendering Infrastructure (DRI) in XFree86 4.x. # -# Note! Dependencies are done automagically by 'make dep', which also -# removes any old dependencies. DON'T put your own dependencies here -# unless it's something special (ie not a .c file). + +# drm.o is a fake target -- it is never built +# The real targets are in the module-list +O_TARGET := drm.o +module-list := gamma.o tdfx.o r128.o ffb.o mga.o i810.o +export-objs := $(patsubst %.o,%_drv.o,$(module-list)) + +# libs-objs are included in every module so that radical changes to the +# architecture of the DRM support library can be made at a later time. +# +# The downside is that each module is larger, and a system that uses +# more than one module (i.e., a dual-head system) will use more memory +# (but a system that uses exactly one module will use the same amount of +# memory). # -# Note 2! The CFLAGS definitions are now inherited from the -# parent makes.. +# The upside is that if the DRM support library ever becomes insufficient +# for new families of cards, a new library can be implemented for those new +# cards without impacting the drivers for the old cards. This is significant, +# because testing architectural changes to old cards may be impossible, and +# may delay the implementation of a better architecture. We've traded slight +# memory waste (in the dual-head case) for greatly improved long-term +# maintainability. # -# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $ +lib-objs := init.o memory.o proc.o auth.o context.o drawable.o bufs.o +lib-objs += lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o -L_TARGET := libdrm.a +ifeq ($(CONFIG_AGP),y) + lib-objs += agpsupport.o +else + ifeq ($(CONFIG_AGP),m) + lib-objs += agpsupport.o + endif +endif -L_OBJS := init.o memory.o proc.o auth.o context.o drawable.o bufs.o \ - lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o \ - agpsupport.o +gamma-objs := $(lib-objs) gamma_drv.o gamma_dma.o +tdfx-objs := $(lib-objs) tdfx_drv.o tdfx_context.o +r128-objs := $(lib-objs) r128_drv.o r128_dma.o r128_context.o r128_bufs.o +ffb-objs := $(lib-objs) ffb_drv.o ffb_context.o +mga-objs := $(lib-objs) mga_drv.o mga_dma.o mga_context.o mga_bufs.o \ + mga_state.o +i810-objs := $(lib-objs) i810_drv.o i810_dma.o i810_context.o i810_bufs.o -M_OBJS := +obj-$(CONFIG_DRM_GAMMA) += gamma.o $(gamma-objs) +obj-$(CONFIG_DRM_TDFX) += tdfx.o $(tdfx-objs) +obj-$(CONFIG_DRM_R128) += r128.o $(r128-objs) +obj-$(CONFIG_DRM_FFB) += ffb.o $(ffb-objs) -ifdef CONFIG_DRM_GAMMA -M_OBJS += gamma.o +ifneq ($CONFIG_AGP),) +obj-$(CONFIG_DRM_MGA) += mga.o $(mga-objs) +obj-$(CONFIG_DRM_I810) += i810.o $(i810-objs) endif -ifdef CONFIG_DRM_TDFX -M_OBJS += tdfx.o -endif +# Take module names out of obj-y and int-m -ifdef CONFIG_DRM_MGA -M_OBJS += mga.o -endif +obj-y := $(filter-out $(module-list), $(obj-y)) +int-m := $(filter-out $(module-list), $(obj-m)) -ifdef CONFIG_DRM_R128 -M_OBJS += r128.o -endif +# Translate to Rules.make lists. + +O_OBJS := $(filter-out $(export-objs), $(obj-y)) +OX_OBJS := $(filter $(export-objs), $(obj-y)) +M_OBJS := $(sort $(filter $(module-list), $(obj-m))) +MI_OBJS := $(sort $(filter-out $(export-objs), $(int-m))) +MIX_OBJS := $(sort $(filter $(export-objs), $(int-m))) include $(TOPDIR)/Rules.make -gamma.o: gamma_drv.o gamma_dma.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ gamma_drv.o gamma_dma.o -L. -ldrm +gamma.o: $(gamma-objs) + $(LD) -r -o $@ $(gamma-objs) + +tdfx.o: $(tdfx-objs) + $(LD) -r -o $@ $(tdfx-objs) -tdfx.o: tdfx_drv.o tdfx_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ tdfx_drv.o tdfx_context.o -L. -ldrm +mga.o: $(mga-objs) + $(LD) -r -o $@ $(mga-objs) -i810.o: i810_drv.o i810_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ i810_drv.o i810_bufs.o i810_dma.o i810_context.o -L. -ldrm +i810.o: $(i810-objs) + $(LD) -r -o $@ $(i810-objs) -mga.o: mga_drv.o mga_context.o mga_dma.o mga_bufs.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ mga_drv.o mga_bufs.o mga_dma.o mga_context.o mga_state.o -L. -ldrm +r128.o: $(r128-objs) + $(LD) -r -o $@ $(r128-objs) -r128.o: r128_drv.o r128_context.o $(L_TARGET) - $(LD) $(LD_RFLAG) -r -o $@ r128_drv.o r128_context.o -L. -ldrm +ffb.o: $(ffb-objs) + $(LD) -r -o $@ $(ffb-objs) diff --git a/linux/Makefile.linux b/linux/Makefile.linux index f1999482..f707fdf7 100644 --- a/linux/Makefile.linux +++ b/linux/Makefile.linux @@ -24,6 +24,7 @@ # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. # +# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.linux,v 1.9 2000/08/04 03:51:47 tsi Exp $ # # ***** NOTE NOTE NOTE NOTE NOTE ***** # To override the automatic Linux source tree determination, pass the @@ -53,7 +54,7 @@ PROGS= drmstat DRMOBJS= init.o memory.o proc.o auth.o context.o drawable.o bufs.o \ lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o -DRMHEADERS= drm.h drmP.h +DRMHEADERS= drm.h drmP.h compat-pre24.h GAMMAOBJS= gamma_drv.o gamma_dma.o GAMMAHEADERS= gamma_drv.h $(DRMHEADERS) @@ -71,8 +72,9 @@ INC= /usr/include CFLAGS= -O2 $(WARNINGS) WARNINGS= -Wall -Wwrite-strings -Wpointer-arith -Wcast-align \ - -Wstrict-prototypes -Wshadow -Wnested-externs \ - -Winline -Wpointer-arith + -Wstrict-prototypes -Wnested-externs \ + -Wpointer-arith +# -Wshadow -Winline -- make output too noisy MODCFLAGS= $(CFLAGS) -D__KERNEL__ -DMODULE -fomit-frame-pointer PRGCFLAGS= $(CFLAGS) -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \ @@ -120,6 +122,8 @@ MODVERSIONS := $(shell gcc -E -I $(TREE) picker.c 2>/dev/null \ | grep -s 'MODVERSIONS = ' | cut -d' ' -f3) AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \ | grep -s 'AGP = ' | cut -d' ' -f3) +SIS := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \ + | grep -s 'SIS = ' | cut -d' ' -f3) PARAMS := $(shell if fgrep kill_fasync $(TREE)/linux/fs.h \ | fgrep -q band; then echo 3; else echo 2; fi) MACHINE := $(shell echo `uname -m`) @@ -129,7 +133,7 @@ AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \ endif ifeq ($(AGP),1) -MODCFLAGS += -DDRM_AGP +MODCFLAGS += -DCONFIG_AGP -DCONFIG_AGP_MODULE DRMOBJS += agpsupport.o MODS += mga.o ifeq ($(MACHINE),i386) @@ -144,8 +148,21 @@ I810OBJS= i810_drv.o i810_dma.o i810_bufs.o i810_context.o I810HEADERS= i810_drv.h $(DRMHEADERS) endif +ifeq ($(SIS),1) +# It appears that the SiS driver makes calls to sis_malloc and sis_free, and +# that these calls are only defined if CONFIG_FB_SIS is selected. So, key +# off that to determine if we should attempt to build the SiS driver. +# +# A better way would be to detect the appropriate definitions in the header +# file to see if we can, at least, compile the driver. +MODS += sis.o + +SISOBJS= sis_drv.o sis_context.o sis_ds.o sis_mm.o +SISHEADERS= sis_drv.h sis_ds.h sis_drm.h $(DRMHEADERS) +endif + all::;@echo === KERNEL HEADERS IN $(TREE) -all::;@echo === SMP=${SMP} MODVERSIONS=${MODVERSIONS} AGP=${AGP} +all::;@echo === SMP=${SMP} MODVERSIONS=${MODVERSIONS} AGP=${AGP} SIS=${SIS} all::;@echo === kill_fasync has $(PARAMS) parameters all::;@echo === Compiling for machine $(MACHINE) all:: $(LIBS) $(MODS) $(PROGS) @@ -170,19 +187,32 @@ libdrm.a: $(DRMOBJS) -$(RM) -f $@ $(AR) rcs $@ $(DRMOBJS) +gamma_drv.o: gamma_drv.c + $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ gamma.o: $(GAMMAOBJS) $(LIBS) $(LD) -r $^ -o $@ +tdfx_drv.o: tdfx_drv.c + $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ tdfx.o: $(TDFXOBJS) $(LIBS) $(LD) -r $^ -o $@ +r128_drv.o: r128_drv.c + $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ r128.o: $(R128OBJS) $(LIBS) $(LD) -r $^ -o $@ +sis.o: $(SISOBJS) $(LIBS) + $(LD) -r $^ -o $@ + ifeq ($(AGP),1) +mga_drv.o: mga_drv.c + $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ mga.o: $(MGAOBJS) $(LIBS) $(LD) -r $^ -o $@ +i810_drv.o: i810_drv.c + $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ i810.o: $(I810OBJS) $(LIBS) $(LD) -r $^ -o $@ endif @@ -194,7 +224,9 @@ drmstat: $(PROGOBJS) ChangeLog: @rm -f Changelog @rcs2log -i 2 -r -l \ - | sed 's,@.*alephnull.com,@precisioninsight.com,' > ChangeLog + | sed 's,@.*light,,' \ + | sed 's,/cvsroot/.*/drm/kernel/,,g' \ + > ChangeLog # .o files are used for modules @@ -204,7 +236,6 @@ ChangeLog: %.po: %.c $(CC) $(PRGCFLAGS) -DDRM_USE_MALLOC -c $< -o $@ - $(DRMOBJS): $(DRMHEADERS) $(GAMMAOBJS): $(GAMMAHEADERS) $(TDFXOBJS): $(TDFXHEADERS) diff --git a/linux/README.drm b/linux/README.drm index 1cc4c277..6441e01e 100644 --- a/linux/README.drm +++ b/linux/README.drm @@ -1,3 +1,7 @@ +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ The Direct Rendering Manager (drm) is a device-independent kernel-level device driver that provides support for the XFree86 Direct Rendering @@ -36,6 +40,7 @@ For specific information about kernel-level support, see: A Security Analysis of the Direct Rendering Infrastructure http://precisioninsight.com/dr/security.html - - -$XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/README.drm,v 1.2 1999/09/27 14:59:24 dawes Exp $ +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ diff --git a/linux/agpsupport.c b/linux/agpsupport.c index c89c3e25..42a1bc2f 100644 --- a/linux/agpsupport.c +++ b/linux/agpsupport.c @@ -30,6 +30,7 @@ #define __NO_VERSION__ #include "drmP.h" +#include <linux/module.h> drm_agp_func_t drm_agp = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; @@ -286,25 +287,44 @@ drm_agp_head_t *drm_agp_init(void) return NULL; memset((void *)head, 0, sizeof(*head)); (*drm_agp.copy_info)(&head->agp_info); + if (head->agp_info.chipset == NOT_SUPPORTED) { + drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } head->memory = NULL; switch (head->agp_info.chipset) { - case INTEL_GENERIC: head->chipset = "Intel"; break; - case INTEL_LX: head->chipset = "Intel 440LX"; break; - case INTEL_BX: head->chipset = "Intel 440BX"; break; - case INTEL_GX: head->chipset = "Intel 440GX"; break; - case INTEL_I810: head->chipset = "Intel i810"; break; - case VIA_GENERIC: head->chipset = "VIA"; break; - case VIA_VP3: head->chipset = "VIA VP3"; break; - case VIA_MVP3: head->chipset = "VIA MVP3"; break; - case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; break; - case SIS_GENERIC: head->chipset = "SiS"; break; - case AMD_GENERIC: head->chipset = "AMD"; break; - case AMD_IRONGATE: head->chipset = "AMD Irongate"; break; - case ALI_GENERIC: head->chipset = "ALi"; break; - case ALI_M1541: head->chipset = "ALi M1541"; break; - default: + case INTEL_GENERIC: head->chipset = "Intel"; break; + case INTEL_LX: head->chipset = "Intel 440LX"; break; + case INTEL_BX: head->chipset = "Intel 440BX"; break; + case INTEL_GX: head->chipset = "Intel 440GX"; break; + case INTEL_I810: head->chipset = "Intel i810"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case INTEL_I840: head->chipset = "Intel i840"; break; +#endif + + case VIA_GENERIC: head->chipset = "VIA"; break; + case VIA_VP3: head->chipset = "VIA VP3"; break; + case VIA_MVP3: head->chipset = "VIA MVP3"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case VIA_MVP4: head->chipset = "VIA MVP4"; break; + case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; + break; + case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; + break; +#endif + + case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; + break; + case SIS_GENERIC: head->chipset = "SiS"; break; + case AMD_GENERIC: head->chipset = "AMD"; break; + case AMD_IRONGATE: head->chipset = "AMD Irongate"; break; + case ALI_GENERIC: head->chipset = "ALi"; break; + case ALI_M1541: head->chipset = "ALi M1541"; break; + default: head->chipset = "Unknown"; break; } - DRM_INFO("AGP %d.%d on %s @ 0x%08lx %dMB\n", + DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n", head->agp_info.version.major, head->agp_info.version.minor, head->chipset, @@ -313,3 +333,15 @@ drm_agp_head_t *drm_agp_init(void) } return head; } + +void drm_agp_uninit(void) +{ + drm_agp_fill_t *fill; + + for (fill = &drm_agp_fill[0]; fill->name; fill++) { +#if LINUX_VERSION_CODE >= 0x020400 + if ((*fill->f).address) put_module_symbol((*fill->f).address); +#endif + (*fill->f).address = 0; + } +} diff --git a/linux/auth.c b/linux/auth.c index 9f81c539..4556bd96 100644 --- a/linux/auth.c +++ b/linux/auth.c @@ -126,12 +126,12 @@ int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (priv->magic) { auth.magic = priv->magic; } else { - spin_lock(&lock); do { + spin_lock(&lock); if (!sequence) ++sequence; /* reserve 0 */ auth.magic = sequence++; + spin_unlock(&lock); } while (drm_find_file(dev, auth.magic)); - spin_unlock(&lock); priv->magic = auth.magic; drm_add_magic(dev, priv, auth.magic); } diff --git a/linux/bufs.c b/linux/bufs.c index 011e4241..c00f051a 100644 --- a/linux/bufs.c +++ b/linux/bufs.c @@ -72,12 +72,14 @@ int drm_addmap(struct inode *inode, struct file *filp, unsigned int cmd, switch (map->type) { case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: + case _DRM_FRAME_BUFFER: +#ifndef __sparc__ if (map->offset + map->size < map->offset || map->offset < virt_to_phys(high_memory)) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; } +#endif #ifdef CONFIG_MTRR if (map->type == _DRM_FRAME_BUFFER || (map->flags & _DRM_WRITE_COMBINING)) { @@ -104,7 +106,7 @@ int drm_addmap(struct inode *inode, struct file *filp, unsigned int cmd, dev->lock.hw_lock = map->handle; /* Pointer to lock */ } break; -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) case _DRM_AGP: map->offset = map->offset + dev->agp->base; break; @@ -484,8 +486,10 @@ int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, -EFAULT); if (request.count >= dma->buf_count) { + down(¤t->mm->mmap_sem); virtual = do_mmap(filp, 0, dma->byte_count, PROT_READ|PROT_WRITE, MAP_SHARED, 0); + up(¤t->mm->mmap_sem); if (virtual > -1024UL) { /* Real error */ retcode = (signed long)virtual; diff --git a/linux/compat-pre24.h b/linux/compat-pre24.h new file mode 100644 index 00000000..257baca1 --- /dev/null +++ b/linux/compat-pre24.h @@ -0,0 +1,41 @@ +/* compat-pre24.h -- Linux pre-2.4.0 compatibility + * Created: Mon Aug 28 15:31:43 2000 by faith@acm.org + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#ifndef _COMPAT_PRE24_H_ +#define _COMPAT_PRE24_H_ + + /* virt_to_page added in 2.4.0-test6 */ +#if LINUX_VERSION_CODE < 0x020400 +#define virt_to_page(kaddr) (mem_map + MAP_NR(kaddr)) +#endif + +#define block_all_signals(a,b,c) +#define unblock_all_signals() + +#endif diff --git a/linux/drm.h b/linux/drm.h index 4affcc41..5a979e1c 100644 --- a/linux/drm.h +++ b/linux/drm.h @@ -353,6 +353,8 @@ typedef struct drm_agp_info { #define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44) #define DRM_IOCTL_I810_GETBUF DRM_IOWR(0x45, drm_i810_dma_t) #define DRM_IOCTL_I810_SWAP DRM_IO ( 0x46) +#define DRM_IOCTL_I810_COPY DRM_IOW( 0x47, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO ( 0x48) /* Rage 128 specific ioctls */ #define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t) diff --git a/linux/drmP.h b/linux/drmP.h index 9a2b125c..73d9b034 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -59,14 +59,17 @@ #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) #include <linux/types.h> #include <linux/agp_backend.h> #endif -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0) +#if LINUX_VERSION_CODE >= 0x020100 /* KERNEL_VERSION(2,1,0) */ #include <linux/tqueue.h> #include <linux/poll.h> #endif +#if LINUX_VERSION_CODE < 0x020400 +#include "compat-pre24.h" +#endif #include "drm.h" #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then @@ -138,6 +141,14 @@ typedef struct wait_queue *wait_queue_head_t; #define NOPAGE_OOM 0 #endif + /* module_init/module_exit added in 2.3.13 */ +#ifndef module_init +#define module_init(x) int init_module(void) { return x(); } +#endif +#ifndef module_exit +#define module_exit(x) void cleanup_module(void) { x(); } +#endif + /* Generic cmpxchg added in 2.3.x */ #ifndef __HAVE_ARCH_CMPXCHG /* Include this here so that driver can be @@ -387,6 +398,7 @@ typedef struct drm_freelist { int low_mark; /* Low water mark */ int high_mark; /* High water mark */ atomic_t wfh; /* If waiting for high mark */ + spinlock_t lock; } drm_freelist_t; typedef struct drm_buf_entry { @@ -474,7 +486,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -509,6 +521,11 @@ typedef struct { extern drm_agp_func_t drm_agp; #endif +typedef struct drm_sigdata { + int context; + drm_hw_lock_t *lock; +} drm_sigdata_t; + typedef struct drm_device { const char *name; /* Simple driver name */ char *unique; /* Unique identifier: e.g., busid */ @@ -563,9 +580,9 @@ typedef struct drm_device { /* Context support */ int irq; /* Interrupt used by board */ - __volatile__ int context_flag; /* Context swapping flag */ - __volatile__ int interrupt_flag;/* Interruption handler flag */ - __volatile__ int dma_flag; /* DMA dispatch flag */ + __volatile__ long context_flag; /* Context swapping flag */ + __volatile__ long interrupt_flag; /* Interruption handler flag */ + __volatile__ long dma_flag; /* DMA dispatch flag */ struct timer_list timer; /* Timer for delaying ctx switch */ wait_queue_head_t context_wait; /* Processes waiting on ctx switch */ int last_checked; /* Last context checked for DMA */ @@ -588,11 +605,13 @@ typedef struct drm_device { wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) drm_agp_head_t *agp; #endif unsigned long *ctx_bitmap; void *dev_private; + drm_sigdata_t sigdata; /* For block_all_signals */ + sigset_t sigmask; } drm_device_t; @@ -623,6 +642,9 @@ extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); +extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access); extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); @@ -634,6 +656,9 @@ extern struct page *drm_vm_nopage(struct vm_area_struct *vma, extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); +extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access); extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, unsigned long address, int write_access); @@ -665,7 +690,7 @@ extern void drm_free_pages(unsigned long address, int order, extern void *drm_ioremap(unsigned long offset, unsigned long size); extern void drm_ioremapfree(void *pt, unsigned long size); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) extern agp_memory *drm_alloc_agp(int pages, u32 type); extern int drm_free_agp(agp_memory *handle, int pages); extern int drm_bind_agp(agp_memory *handle, unsigned int start); @@ -708,7 +733,6 @@ extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); extern int drm_context_switch(drm_device_t *dev, int old, int new); extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_wakeup(drm_device_t *dev, drm_buf_t *buf); extern void drm_clear_next_buffer(drm_device_t *dev); extern int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)); @@ -782,6 +806,7 @@ extern int drm_flush_unblock(drm_device_t *dev, int context, drm_lock_flags_t flags); extern int drm_flush_block_and_flush(drm_device_t *dev, int context, drm_lock_flags_t flags); +extern int drm_notifier(void *priv); /* Context Bitmap support (ctxbitmap.c) */ extern int drm_ctxbitmap_init(drm_device_t *dev); @@ -789,9 +814,10 @@ extern void drm_ctxbitmap_cleanup(drm_device_t *dev); extern int drm_ctxbitmap_next(drm_device_t *dev); extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* AGP/GART support (agpsupport.c) */ extern drm_agp_head_t *drm_agp_init(void); +extern void drm_agp_uninit(void); extern int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_agp_release(struct inode *inode, struct file *filp, diff --git a/linux/fops.c b/linux/fops.c index 4ade7aa1..f3966d96 100644 --- a/linux/fops.c +++ b/linux/fops.c @@ -94,7 +94,8 @@ int drm_release(struct inode *inode, struct file *filp) DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); - if (_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) + if (dev->lock.hw_lock + && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && dev->lock.pid == current->pid) { DRM_ERROR("Process %d dead, freeing lock for context %d\n", current->pid, @@ -222,8 +223,15 @@ int drm_write_string(drm_device_t *dev, const char *s) KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */ if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO); #else - /* Parameter added in 2.3.21 */ + + /* Parameter added in 2.3.21. */ +#if LINUX_VERSION_CODE < 0x020400 if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN); +#else + /* Type of first parameter changed in + Linux 2.4.0-test2... */ + if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN); +#endif #endif DRM_DEBUG("waking\n"); wake_up_interruptible(&dev->buf_readers); diff --git a/linux/gamma_dma.c b/linux/gamma_dma.c index a99f24ca..96ea0455 100644 --- a/linux/gamma_dma.c +++ b/linux/gamma_dma.c @@ -804,6 +804,15 @@ int gamma_lock(struct inode *inode, struct file *filp, unsigned int cmd, drm_flush_unblock(dev, lock.context, lock.flags); /* cleanup phase */ if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_READY) gamma_dma_ready(dev); if (lock.flags & _DRM_LOCK_QUIESCENT) { diff --git a/linux/gamma_drv.c b/linux/gamma_drv.c index 987c903d..4a353c6f 100644 --- a/linux/gamma_drv.c +++ b/linux/gamma_drv.c @@ -30,12 +30,8 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "gamma_drv.h" -#include <linux/pci.h> -EXPORT_SYMBOL(gamma_init); -EXPORT_SYMBOL(gamma_cleanup); #ifndef PCI_DEVICE_ID_3DLABS_GAMMA #define PCI_DEVICE_ID_3DLABS_GAMMA 0x0008 @@ -46,7 +42,7 @@ EXPORT_SYMBOL(gamma_cleanup); #define GAMMA_NAME "gamma" #define GAMMA_DESC "3dlabs GMX 2000" -#define GAMMA_DATE "20000606" +#define GAMMA_DATE "20000719" #define GAMMA_MAJOR 1 #define GAMMA_MINOR 0 #define GAMMA_PATCHLEVEL 0 @@ -54,6 +50,10 @@ EXPORT_SYMBOL(gamma_cleanup); static drm_device_t gamma_device; static struct file_operations gamma_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: gamma_open, flush: drm_flush, release: gamma_release, @@ -105,49 +105,30 @@ static drm_ioctl_desc_t gamma_ioctls[] = { #define GAMMA_IOCTL_COUNT DRM_ARRAY_SIZE(gamma_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *gamma = NULL; +#endif static int devices = 0; -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("3dlabs GMX 2000"); MODULE_PARM(gamma, "s"); MODULE_PARM(devices, "i"); -MODULE_PARM_DESC(devices, "devices=x, where x is the number of MX chips on your card\n"); - -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - return gamma_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - gamma_cleanup(); -} -#endif - +MODULE_PARM_DESC(devices, + "devices=x, where x is the number of MX chips on card\n"); #ifndef MODULE -/* gamma_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_options. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ +/* gamma_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_options. + */ -void __init gamma_setup(char *str, int *ints) +static int __init gamma_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("gamma=", gamma_options); #endif static int gamma_setup(drm_device_t *dev) @@ -284,12 +265,10 @@ static int gamma_takedown(drm_device_t *dev) - PAGE_SHIFT, DRM_MEM_SAREA); break; -#ifdef DRM_AGP case _DRM_AGP: /* Do nothing here, because this is all handled in the AGP/GART driver. */ break; -#endif } drm_free(map, sizeof(*map), DRM_MEM_MAPS); } @@ -360,7 +339,7 @@ int gamma_find_devices(void) /* gamma_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int gamma_init(void) +static int gamma_init(void) { int retcode; drm_device_t *dev = &gamma_device; @@ -401,7 +380,7 @@ int gamma_init(void) /* gamma_cleanup is called via cleanup_module at module unload time. */ -void gamma_cleanup(void) +static void gamma_cleanup(void) { drm_device_t *dev = &gamma_device; @@ -416,6 +395,10 @@ void gamma_cleanup(void) gamma_takedown(dev); } +module_init(gamma_init); +module_exit(gamma_cleanup); + + int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -457,7 +440,9 @@ int gamma_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -472,12 +457,17 @@ int gamma_open(struct inode *inode, struct file *filp) int gamma_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; + DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_release(inode, filp))) { - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -486,13 +476,16 @@ int gamma_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return gamma_takedown(dev); } spin_unlock(&dev->count_lock); } + unlock_kernel(); return retcode; } @@ -571,5 +564,6 @@ int gamma_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - dev->lck_start)]); #endif + unblock_all_signals(); return 0; } diff --git a/linux/gamma_drv.h b/linux/gamma_drv.h index d7e70f7f..e9ce3958 100644 --- a/linux/gamma_drv.h +++ b/linux/gamma_drv.h @@ -25,7 +25,7 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@precisioninsight.com> + * Rickard E. (Rik) Faith <faith@valinux.com> * */ @@ -33,8 +33,6 @@ #define _GAMMA_DRV_H_ /* gamma_drv.c */ -extern int gamma_init(void); -extern void gamma_cleanup(void); extern int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int gamma_open(struct inode *inode, struct file *filp); diff --git a/linux/i810_context.c b/linux/i810_context.c index 689814db..85c0877b 100644 --- a/linux/i810_context.c +++ b/linux/i810_context.c @@ -29,8 +29,6 @@ * */ -#include <linux/sched.h> - #define __NO_VERSION__ #include "drmP.h" #include "i810_drv.h" diff --git a/linux/i810_dma.c b/linux/i810_dma.c index 96b7a44f..14c78071 100644 --- a/linux/i810_dma.c +++ b/linux/i810_dma.c @@ -33,7 +33,6 @@ #define __NO_VERSION__ #include "drmP.h" #include "i810_drv.h" - #include <linux/interrupt.h> /* For task queue support */ /* in case we don't have a 2.3.99-pre6 kernel or later: */ @@ -156,16 +155,23 @@ static struct file_operations i810_buffer_fops = { int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_i810_private_t *dev_priv = dev->dev_private; - drm_buf_t *buf = dev_priv->mmap_buffer; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i810_private_t *dev_priv; + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + + lock_kernel(); + dev = priv->dev; + dev_priv = dev->dev_private; + buf = dev_priv->mmap_buffer; + buf_priv = buf->dev_private; vma->vm_flags |= (VM_IO | VM_DONTCOPY); vma->vm_file = filp; buf_priv->currently_mapped = I810_BUF_MAPPED; + unlock_kernel(); if (remap_page_range(vma->vm_start, VM_OFFSET(vma), @@ -184,23 +190,29 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp) int retcode = 0; if(buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL; - down(¤t->mm->mmap_sem); - old_fops = filp->f_op; - filp->f_op = &i810_buffer_fops; - dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, - PROT_READ|PROT_WRITE, - MAP_SHARED, - buf->bus_address); - dev_priv->mmap_buffer = NULL; - filp->f_op = old_fops; - if ((unsigned long)buf_priv->virtual > -1024UL) { - /* Real error */ - DRM_DEBUG("mmap error\n"); - retcode = (signed int)buf_priv->virtual; - buf_priv->virtual = 0; + + if(VM_DONTCOPY != 0) { + down(¤t->mm->mmap_sem); + old_fops = filp->f_op; + filp->f_op = &i810_buffer_fops; + dev_priv->mmap_buffer = buf; + buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + PROT_READ|PROT_WRITE, + MAP_SHARED, + buf->bus_address); + dev_priv->mmap_buffer = NULL; + filp->f_op = old_fops; + if ((unsigned long)buf_priv->virtual > -1024UL) { + /* Real error */ + DRM_DEBUG("mmap error\n"); + retcode = (signed int)buf_priv->virtual; + buf_priv->virtual = 0; + } + up(¤t->mm->mmap_sem); + } else { + buf_priv->virtual = buf_priv->kernel_virtual; + buf_priv->currently_mapped = I810_BUF_MAPPED; } - up(¤t->mm->mmap_sem); return retcode; } @@ -209,13 +221,22 @@ static int i810_unmap_buffer(drm_buf_t *buf) drm_i810_buf_priv_t *buf_priv = buf->dev_private; int retcode = 0; - if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL; - down(¤t->mm->mmap_sem); - retcode = do_munmap(current->mm, (unsigned long)buf_priv->virtual, - (size_t) buf->total); + if(VM_DONTCOPY != 0) { + if(buf_priv->currently_mapped != I810_BUF_MAPPED) + return -EINVAL; + down(¤t->mm->mmap_sem); +#if LINUX_VERSION_CODE < 0x020399 + retcode = do_munmap((unsigned long)buf_priv->virtual, + (size_t) buf->total); +#else + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, + (size_t) buf->total); +#endif + up(¤t->mm->mmap_sem); + } buf_priv->currently_mapped = I810_BUF_UNMAPPED; buf_priv->virtual = 0; - up(¤t->mm->mmap_sem); return retcode; } @@ -261,8 +282,8 @@ static unsigned long i810_alloc_page(drm_device_t *dev) if(address == 0UL) return 0; - atomic_inc(&mem_map[MAP_NR((void *) address)].count); - set_bit(PG_locked, &mem_map[MAP_NR((void *) address)].flags); + atomic_inc(&virt_to_page(address)->count); + set_bit(PG_locked, &virt_to_page(address)->flags); return address; } @@ -272,9 +293,9 @@ static void i810_free_page(drm_device_t *dev, unsigned long page) if(page == 0UL) return; - atomic_dec(&mem_map[MAP_NR((void *) page)].count); - clear_bit(PG_locked, &mem_map[MAP_NR((void *) page)].flags); - wake_up(&mem_map[MAP_NR((void *) page)].wait); + atomic_dec(&virt_to_page(page)->count); + clear_bit(PG_locked, &virt_to_page(page)->flags); + wake_up(&virt_to_page(page)->wait); free_page(page); return; } @@ -1206,6 +1227,15 @@ int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd, } if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_QUIESCENT) { DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); DRM_DEBUG("fred\n"); @@ -1354,3 +1384,43 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, return retcode; } + +int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_i810_copy_t d; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = (u32 *)dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + drm_device_dma_t *dma = dev->dma; + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("i810_dma called without lock held\n"); + return -EINVAL; + } + + copy_from_user_ret(&d, (drm_i810_copy_t *)arg, sizeof(d), -EFAULT); + + if(d.idx > dma->buf_count) return -EINVAL; + buf = dma->buflist[ d.idx ]; + buf_priv = buf->dev_private; + if (buf_priv->currently_mapped != I810_BUF_MAPPED) return -EPERM; + + copy_from_user_ret(buf_priv->virtual, d.address, d.used, -EFAULT); + + sarea_priv->last_dispatch = (int) hw_status[5]; + + return 0; +} + +int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + if(VM_DONTCOPY == 0) return 1; + return 0; +} diff --git a/linux/i810_drm.h b/linux/i810_drm.h index 4c8e09f6..c5f51c9a 100644 --- a/linux/i810_drm.h +++ b/linux/i810_drm.h @@ -178,6 +178,12 @@ typedef struct _drm_i810_vertex { int discard; /* client is finished with the buffer? */ } drm_i810_vertex_t; +typedef struct _drm_i810_copy_t { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + void *address; /* Address to copy from */ +} drm_i810_copy_t; + typedef struct drm_i810_dma { void *virtual; int request_idx; diff --git a/linux/i810_drv.c b/linux/i810_drv.c index 6f78fbc9..183e7fd7 100644 --- a/linux/i810_drv.c +++ b/linux/i810_drv.c @@ -30,25 +30,24 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "i810_drv.h" - -EXPORT_SYMBOL(i810_init); -EXPORT_SYMBOL(i810_cleanup); - #define I810_NAME "i810" #define I810_DESC "Intel I810" -#define I810_DATE "19991213" +#define I810_DATE "20000719" #define I810_MAJOR 1 -#define I810_MINOR 0 +#define I810_MINOR 1 #define I810_PATCHLEVEL 0 static drm_device_t i810_device; drm_ctx_t i810_res_ctx; static struct file_operations i810_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: i810_open, flush: drm_flush, release: i810_release, @@ -112,52 +111,33 @@ static drm_ioctl_desc_t i810_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, }; #define I810_IOCTL_COUNT DRM_ARRAY_SIZE(i810_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *i810 = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("Intel I810"); MODULE_PARM(i810, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - DRM_DEBUG("doing i810_init()\n"); - return i810_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - i810_cleanup(); -} -#endif - #ifndef MODULE -/* i810_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* i810_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init i810_setup(char *str, int *ints) +static int __init i810_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("i810=", i810_options); #endif static int i810_setup(drm_device_t *dev) @@ -358,7 +338,7 @@ static int i810_takedown(drm_device_t *dev) /* i810_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int i810_init(void) +static int i810_init(void) { int retcode; drm_device_t *dev = &i810_device; @@ -417,7 +397,7 @@ int i810_init(void) /* i810_cleanup is called via cleanup_module at module unload time. */ -void i810_cleanup(void) +static void i810_cleanup(void) { drm_device_t *dev = &i810_device; @@ -432,11 +412,16 @@ void i810_cleanup(void) drm_ctxbitmap_cleanup(dev); i810_takedown(dev); if (dev->agp) { + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } } +module_init(i810_init); +module_exit(i810_cleanup); + + int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -478,7 +463,9 @@ int i810_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -493,9 +480,11 @@ int i810_open(struct inode *inode, struct file *filp) int i810_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); @@ -557,7 +546,9 @@ int i810_release(struct inode *inode, struct file *filp) up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -566,12 +557,15 @@ int i810_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); - return i810_takedown(dev); + unlock_kernel(); + return i810_takedown(dev); } - spin_unlock(&dev->count_lock); + spin_unlock(&dev->count_lock); + unlock_kernel(); return retcode; } @@ -648,5 +642,6 @@ int i810_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - dev->lck_start)]); #endif + unblock_all_signals(); return 0; } diff --git a/linux/i810_drv.h b/linux/i810_drv.h index c387bf72..1c957401 100644 --- a/linux/i810_drv.h +++ b/linux/i810_drv.h @@ -77,8 +77,6 @@ typedef struct drm_i810_private { } drm_i810_private_t; /* i810_drv.c */ -extern int i810_init(void); -extern void i810_cleanup(void); extern int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_open(struct inode *inode, struct file *filp); @@ -106,7 +104,10 @@ extern void i810_reclaim_buffers(drm_device_t *dev, pid_t pid); extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); - +extern int i810_copybuf(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int i810_docopy(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* i810_bufs.c */ extern int i810_addbufs(struct inode *inode, struct file *filp, diff --git a/linux/init.c b/linux/init.c index aefc884e..8de3dac9 100644 --- a/linux/init.c +++ b/linux/init.c @@ -97,10 +97,17 @@ void drm_parse_options(char *s) } } +/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 + * otherwise. */ + int drm_cpu_valid(void) { #if defined(__i386__) if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ #endif +#if defined(__sparc__) && !defined(__sparc_v9__) + if (1) + return 0; /* No cmpxchg before v9 sparc. */ +#endif return 1; } diff --git a/linux/lists.c b/linux/lists.c index f62495aa..5da7cc6c 100644 --- a/linux/lists.c +++ b/linux/lists.c @@ -116,6 +116,7 @@ int drm_freelist_create(drm_freelist_t *bl, int count) bl->low_mark = 0; bl->high_mark = 0; atomic_set(&bl->wfh, 0); + bl->lock = SPIN_LOCK_UNLOCKED; ++bl->initialized; return 0; } @@ -130,8 +131,6 @@ int drm_freelist_destroy(drm_freelist_t *bl) int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) { - drm_buf_t *old, *prev; - int count = 0; drm_device_dma_t *dma = dev->dma; if (!dma) { @@ -152,15 +151,12 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) drm_histogram_compute(dev, buf); #endif buf->list = DRM_LIST_FREE; - do { - old = bl->next; - buf->next = old; - prev = cmpxchg(&bl->next, old, buf); - if (++count > DRM_LOOPING_LIMIT) { - DRM_ERROR("Looping\n"); - return 1; - } - } while (prev != old); + + spin_lock(&bl->lock); + buf->next = bl->next; + bl->next = buf; + spin_unlock(&bl->lock); + atomic_inc(&bl->count); if (atomic_read(&bl->count) > dma->buf_count) { DRM_ERROR("%d of %d buffers free after addition of %d\n", @@ -177,26 +173,21 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) { - drm_buf_t *old, *new, *prev; drm_buf_t *buf; - int count = 0; if (!bl) return NULL; /* Get buffer */ - do { - old = bl->next; - if (!old) return NULL; - new = bl->next->next; - prev = cmpxchg(&bl->next, old, new); - if (++count > DRM_LOOPING_LIMIT) { - DRM_ERROR("Looping\n"); - return NULL; - } - } while (prev != old); - atomic_dec(&bl->count); + spin_lock(&bl->lock); + if (!bl->next) { + spin_unlock(&bl->lock); + return NULL; + } + buf = bl->next; + bl->next = bl->next->next; + spin_unlock(&bl->lock); - buf = old; + atomic_dec(&bl->count); buf->next = NULL; buf->list = DRM_LIST_NONE; DRM_DEBUG("%d, count = %d, wfh = %d, w%d, p%d\n", diff --git a/linux/lock.c b/linux/lock.c index 55082727..33b2cc03 100644 --- a/linux/lock.c +++ b/linux/lock.c @@ -223,3 +223,35 @@ int drm_finish(struct inode *inode, struct file *filp, unsigned int cmd, drm_flush_unblock(dev, lock.context, lock.flags); return ret; } + +/* If we get here, it means that the process has called DRM_IOCTL_LOCK + without calling DRM_IOCTL_UNLOCK. + + If the lock is not held, then let the signal proceed as usual. + + If the lock is held, then set the contended flag and keep the signal + blocked. + + + Return 1 if the signal should be delivered normally. + Return 0 if the signal should be blocked. */ + +int drm_notifier(void *priv) +{ + drm_sigdata_t *s = (drm_sigdata_t *)priv; + unsigned int old, new, prev; + + + /* Allow signal delivery if lock isn't held */ + if (!_DRM_LOCK_IS_HELD(s->lock->lock) + || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; + + /* Otherwise, set flag to force call to + drmUnlock */ + do { + old = s->lock->lock; + new = old | _DRM_LOCK_CONT; + prev = cmpxchg(&s->lock->lock, old, new); + } while (prev != old); + return 0; +} diff --git a/linux/memory.c b/linux/memory.c index 0e92401b..34d19b20 100644 --- a/linux/memory.c +++ b/linux/memory.c @@ -30,7 +30,9 @@ */ #define __NO_VERSION__ +#include <linux/config.h> #include "drmP.h" +#include <linux/wrapper.h> typedef struct drm_mem_stats { const char *name; @@ -197,7 +199,7 @@ void drm_free(void *pt, size_t size, int area) int free_count; if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); - else kfree_s(pt, size); + else kfree(pt); spin_lock(&drm_mem_lock); drm_mem_stats[area].bytes_freed += size; free_count = ++drm_mem_stats[area].free_count; @@ -245,7 +247,12 @@ unsigned long drm_alloc_pages(int order, int area) for (addr = address, sz = bytes; sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_reserve(virt_to_page(addr)); +#else mem_map_reserve(MAP_NR(addr)); +#endif } return address; @@ -266,7 +273,12 @@ void drm_free_pages(unsigned long address, int order, int area) for (addr = address, sz = bytes; sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_unreserve(virt_to_page(addr)); +#else mem_map_unreserve(MAP_NR(addr)); +#endif } free_pages(address, order); } @@ -330,7 +342,7 @@ void drm_ioremapfree(void *pt, unsigned long size) } } -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) agp_memory *drm_alloc_agp(int pages, u32 type) { agp_memory *handle; diff --git a/linux/mga_context.c b/linux/mga_context.c index 0ff17173..f18ed56d 100644 --- a/linux/mga_context.c +++ b/linux/mga_context.c @@ -29,7 +29,6 @@ * */ - #define __NO_VERSION__ #include "drmP.h" #include "mga_drv.h" diff --git a/linux/mga_dma.c b/linux/mga_dma.c index b1ac948f..4b861220 100644 --- a/linux/mga_dma.c +++ b/linux/mga_dma.c @@ -57,8 +57,8 @@ static unsigned long mga_alloc_page(drm_device_t *dev) if(address == 0UL) { return 0; } - atomic_inc(&mem_map[MAP_NR((void *) address)].count); - set_bit(PG_locked, &mem_map[MAP_NR((void *) address)].flags); + atomic_inc(&virt_to_page(address)->count); + set_bit(PG_locked, &virt_to_page(address)->flags); return address; } @@ -70,9 +70,9 @@ static void mga_free_page(drm_device_t *dev, unsigned long page) if(page == 0UL) { return; } - atomic_dec(&mem_map[MAP_NR((void *) page)].count); - clear_bit(PG_locked, &mem_map[MAP_NR((void *) page)].flags); - wake_up(&mem_map[MAP_NR((void *) page)].wait); + atomic_dec(&virt_to_page(page)->count); + clear_bit(PG_locked, &virt_to_page(page)->flags); + wake_up(&virt_to_page(page)->wait); free_page(page); return; } @@ -388,7 +388,7 @@ void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) /* We never check for overflow, b/c there is always room */ PRIMPTR(prim); if(num_dwords <= 0) { - DRM_DEBUG("num_dwords == 0 when dispatched\n"); + DRM_ERROR("num_dwords == 0 when dispatched\n"); goto out_prim_wait; } PRIMOUTREG( MGAREG_DMAPAD, 0); @@ -432,9 +432,6 @@ void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) #ifdef __i386__ mga_flush_write_combine(); #endif -#ifdef __alpha__ - mb(); -#endif atomic_inc(&dev_priv->pending_bufs); MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp); @@ -772,7 +769,8 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { dev_priv->mAccess = init->mAccess; init_waitqueue_head(&dev_priv->flush_queue); init_waitqueue_head(&dev_priv->buf_queue); - dev_priv->WarpPipe = -1; + dev_priv->WarpPipe = 0xff000000; + dev_priv->vertexsize = 0; DRM_DEBUG("chipset: %d ucode_size: %d backOffset: %x depthOffset: %x\n", dev_priv->chipset, dev_priv->warp_ucode_size, @@ -834,9 +832,6 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { #ifdef __i386__ mga_flush_write_combine(); #endif -#ifdef __alpha - mb(); -#endif MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); MGA_WRITE(MGAREG_PRIMEND, ((phys_head + num_dwords * 4) | @@ -1080,6 +1075,15 @@ int mga_lock(struct inode *inode, struct file *filp, unsigned int cmd, } if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_QUIESCENT) { DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); mga_flush_queue(dev); diff --git a/linux/mga_drm.h b/linux/mga_drm.h index e75e91a4..52cf7766 100644 --- a/linux/mga_drm.h +++ b/linux/mga_drm.h @@ -73,17 +73,19 @@ /* 3d state excluding texture units: */ -#define MGA_CTXREG_DSTORG 0 /* validated */ -#define MGA_CTXREG_MACCESS 1 -#define MGA_CTXREG_PLNWT 2 -#define MGA_CTXREG_DWGCTL 3 -#define MGA_CTXREG_ALPHACTRL 4 -#define MGA_CTXREG_FOGCOLOR 5 -#define MGA_CTXREG_WFLAG 6 -#define MGA_CTXREG_TDUAL0 7 -#define MGA_CTXREG_TDUAL1 8 -#define MGA_CTXREG_FCOL 9 -#define MGA_CTX_SETUP_SIZE 10 +#define MGA_CTXREG_DSTORG 0 /* validated */ +#define MGA_CTXREG_MACCESS 1 +#define MGA_CTXREG_PLNWT 2 +#define MGA_CTXREG_DWGCTL 3 +#define MGA_CTXREG_ALPHACTRL 4 +#define MGA_CTXREG_FOGCOLOR 5 +#define MGA_CTXREG_WFLAG 6 +#define MGA_CTXREG_TDUAL0 7 +#define MGA_CTXREG_TDUAL1 8 +#define MGA_CTXREG_FCOL 9 +#define MGA_CTXREG_STENCIL 10 +#define MGA_CTXREG_STENCILCTL 11 +#define MGA_CTX_SETUP_SIZE 12 /* 2d state */ @@ -233,6 +235,7 @@ typedef struct _drm_mga_sarea { /* Mechanism to validate card state. */ int ctxOwner; + int vertexsize; } drm_mga_sarea_t; /* Device specific ioctls: @@ -241,6 +244,8 @@ typedef struct _drm_mga_clear { unsigned int clear_color; unsigned int clear_depth; unsigned int flags; + unsigned int clear_depth_mask; + unsigned int clear_color_mask; } drm_mga_clear_t; typedef struct _drm_mga_swap { diff --git a/linux/mga_drv.c b/linux/mga_drv.c index e77d827b..e7547c06 100644 --- a/linux/mga_drv.c +++ b/linux/mga_drv.c @@ -31,16 +31,13 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "mga_drv.h" -EXPORT_SYMBOL(mga_init); -EXPORT_SYMBOL(mga_cleanup); #define MGA_NAME "mga" #define MGA_DESC "Matrox g200/g400" -#define MGA_DATE "19991213" -#define MGA_MAJOR 1 +#define MGA_DATE "20000831" +#define MGA_MAJOR 2 #define MGA_MINOR 0 #define MGA_PATCHLEVEL 0 @@ -48,6 +45,10 @@ static drm_device_t mga_device; drm_ctx_t mga_res_ctx; static struct file_operations mga_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: mga_open, flush: drm_flush, release: mga_release, @@ -118,47 +119,26 @@ static drm_ioctl_desc_t mga_ioctls[] = { #define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *mga = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("Matrox g200/g400"); MODULE_PARM(mga, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - DRM_DEBUG("doing mga_init()\n"); - return mga_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - mga_cleanup(); -} -#endif - #ifndef MODULE -/* mga_setup is called by the kernel to parse command-line options passed +/* mga_options is called by the kernel to parse command-line options passed * via the boot-loader (e.g., LILO). It calls the insmod option routine, * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - + */ -void __init mga_setup(char *str, int *ints) +static int __init mga_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("mga=", mga_options); #endif static int mga_setup(drm_device_t *dev) @@ -357,7 +337,7 @@ static int mga_takedown(drm_device_t *dev) /* mga_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int mga_init(void) +static int mga_init(void) { int retcode; drm_device_t *dev = &mga_device; @@ -422,7 +402,7 @@ int mga_init(void) /* mga_cleanup is called via cleanup_module at module unload time. */ -void mga_cleanup(void) +static void mga_cleanup(void) { drm_device_t *dev = &mga_device; @@ -448,11 +428,16 @@ void mga_cleanup(void) mga_takedown(dev); if (dev->agp) { + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } } +module_init(mga_init); +module_exit(mga_cleanup); + + int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -494,7 +479,9 @@ int mga_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -509,9 +496,11 @@ int mga_open(struct inode *inode, struct file *filp) int mga_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); @@ -573,7 +562,9 @@ int mga_release(struct inode *inode, struct file *filp) up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -582,12 +573,15 @@ int mga_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return mga_takedown(dev); } - spin_unlock(&dev->count_lock); + spin_unlock(&dev->count_lock); + unlock_kernel(); return retcode; } @@ -661,5 +655,6 @@ int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, DRM_ERROR("\n"); } + unblock_all_signals(); return 0; } diff --git a/linux/mga_drv.h b/linux/mga_drv.h index f217acb9..0a6a13b6 100644 --- a/linux/mga_drv.h +++ b/linux/mga_drv.h @@ -39,8 +39,8 @@ typedef struct { u32 buffer_status; - unsigned int num_dwords; - unsigned int max_dwords; + int num_dwords; + int max_dwords; u32 *current_dma_ptr; u32 *head; u32 phys_head; @@ -82,6 +82,7 @@ typedef struct _drm_mga_private { int use_agp; drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES]; unsigned int WarpPipe; + unsigned int vertexsize; atomic_t pending_bufs; void *status_page; unsigned long real_status_page; @@ -102,8 +103,6 @@ typedef struct _drm_mga_private { } drm_mga_private_t; /* mga_drv.c */ -extern int mga_init(void); -extern void mga_cleanup(void); extern int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int mga_open(struct inode *inode, struct file *filp); @@ -211,19 +210,26 @@ typedef struct { #define PRIMLOCALS u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \ int outcount, num_dwords -#define PRIM_OVERFLOW(dev, dev_priv, length) do { \ - drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - if( test_bit(MGA_BUF_NEEDS_OVERFLOW, \ - &tmp_buf->buffer_status)) { \ - mga_advance_primary(dev); \ - mga_dma_schedule(dev, 1); \ - } else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||\ - tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \ - set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \ - mga_advance_primary(dev); \ - mga_dma_schedule(dev, 1); \ - } \ +#define PRIM_OVERFLOW(dev, dev_priv, length) do { \ + drm_mga_prim_buf_t *tmp_buf = \ + dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ + if( test_bit(MGA_BUF_NEEDS_OVERFLOW, &tmp_buf->buffer_status)) { \ + mga_advance_primary(dev); \ + mga_dma_schedule(dev, 1); \ + tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ + } else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length || \ + tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \ + set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \ + mga_advance_primary(dev); \ + mga_dma_schedule(dev, 1); \ + tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ + } \ + if(MGA_VERBOSE) \ + DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \ + dma_ptr = tmp_buf->current_dma_ptr; \ + num_dwords = tmp_buf->num_dwords; \ + phys_head = tmp_buf->phys_head; \ + outcount = 0; \ } while(0) #define PRIMGETPTR(dev_priv) do { \ diff --git a/linux/mga_state.c b/linux/mga_state.c index 723ccc53..026efcae 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -34,6 +34,22 @@ #include "mga_drv.h" #include "drm.h" +/* If you change the functions to set state, PLEASE + * change these values + */ + +#define MGAEMITCLIP_SIZE 10 +#define MGAEMITCTX_SIZE 20 +#define MGAG200EMITTEX_SIZE 20 +#define MGAG400EMITTEX0_SIZE 30 +#define MGAG400EMITTEX1_SIZE 25 +#define MGAG400EMITPIPE_SIZE 55 +#define MGAG200EMITPIPE_SIZE 15 + +#define MAX_STATE_SIZE ((MGAEMITCLIP_SIZE * MGA_NR_SAREA_CLIPRECTS) + \ + MGAEMITCTX_SIZE + MGAG400EMITTEX0_SIZE + \ + MGAG400EMITTEX1_SIZE + MGAG400EMITPIPE_SIZE) + static void mgaEmitClipRect(drm_mga_private_t * dev_priv, drm_clip_rect_t * box) { @@ -60,8 +76,8 @@ static void mgaEmitClipRect(drm_mga_private_t * dev_priv, PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_CXBNDRY, ((box->x2) << 16) | (box->x1)); - PRIMOUTREG(MGAREG_YTOP, box->y1 * dev_priv->stride / 2); - PRIMOUTREG(MGAREG_YBOT, box->y2 * dev_priv->stride / 2); + PRIMOUTREG(MGAREG_YTOP, box->y1 * dev_priv->stride / dev_priv->cpp); + PRIMOUTREG(MGAREG_YBOT, box->y2 * dev_priv->stride / dev_priv->cpp); PRIMADVANCE(dev_priv); } @@ -73,7 +89,7 @@ static void mgaEmitContext(drm_mga_private_t * dev_priv) PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); - /* This takes a max of 15 dwords */ + /* This takes a max of 20 dwords */ PRIMGETPTR(dev_priv); PRIMOUTREG(MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG]); @@ -91,6 +107,11 @@ static void mgaEmitContext(drm_mga_private_t * dev_priv) PRIMOUTREG(MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0]); PRIMOUTREG(MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1]); PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); + + PRIMOUTREG(MGAREG_STENCIL, regs[MGA_CTXREG_STENCIL]); + PRIMOUTREG(MGAREG_STENCILCTL, regs[MGA_CTXREG_STENCILCTL]); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); } else { PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -135,11 +156,13 @@ static void mgaG200EmitTex(drm_mga_private_t * dev_priv) PRIMADVANCE(dev_priv); } +#define TMC_dualtex_enable 0x80 + static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int *regs = sarea_priv->TexState[0]; - int multitex = sarea_priv->WarpPipe & MGA_T2; + int multitex = regs[MGA_TEXREG_CTL2] & TMC_dualtex_enable; PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -147,7 +170,9 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) /* This takes a max of 30 dwords */ - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000); + PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] + | 0x00008000 + ); PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); @@ -167,7 +192,7 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) PRIMOUTREG(0x2d00 + 61 * 4, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); - if (!multitex) { + if (!multitex || 1) { PRIMOUTREG(0x2d00 + 52 * 4, 0x40); PRIMOUTREG(0x2d00 + 60 * 4, 0x40); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -184,10 +209,10 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) #define TMC_map1_enable 0x80000000 -static void mgaG400EmitTex1(drm_mga_private_t * dev_priv) +static void mgaG400EmitTex1(drm_mga_private_t * dev_priv, int source ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[1]; + unsigned int *regs = sarea_priv->TexState[source]; PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -195,8 +220,8 @@ static void mgaG400EmitTex1(drm_mga_private_t * dev_priv) /* This takes 25 dwords */ - PRIMOUTREG(MGAREG_TEXCTL2, - regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 0x00008000); + PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | TMC_map1_enable | + 0x00008000); PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); @@ -224,12 +249,13 @@ static void mgaG400EmitTex1(drm_mga_private_t * dev_priv) PRIMADVANCE(dev_priv); } -#define EMIT_PIPE 50 static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int pipe = sarea_priv->WarpPipe; float fParam = 12800.0f; + int multitex = (sarea_priv->TexState[0][MGA_TEXREG_CTL2] & + TMC_dualtex_enable); PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -244,7 +270,31 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); - if (pipe & MGA_T2) { + if (sarea_priv->vertexsize == 10) { + PRIMOUTREG(MGAREG_YDST, 0); + PRIMOUTREG(MGAREG_FXLEFT, 0); + PRIMOUTREG(MGAREG_FXRIGHT, 1); + PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD); + + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); + PRIMOUTREG(MGAREG_DMAPAD, 0); + + if (multitex) { + PRIMOUTREG(MGAREG_TEXCTL2, 0 + | 0x00008000 + ); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); + PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); + } else { + PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); + PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); + } + PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -255,23 +305,21 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000); } else { - if (dev_priv->WarpPipe & MGA_T2) { - /* Flush the WARP pipe */ - PRIMOUTREG(MGAREG_YDST, 0); - PRIMOUTREG(MGAREG_FXLEFT, 0); - PRIMOUTREG(MGAREG_FXRIGHT, 1); - PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD); - - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - PRIMOUTREG(MGAREG_DMAPAD, 0); + /* Flush the WARP pipe */ + PRIMOUTREG(MGAREG_YDST, 0); + PRIMOUTREG(MGAREG_FXLEFT, 0); + PRIMOUTREG(MGAREG_FXRIGHT, 1); + PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD); - PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - } + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); + PRIMOUTREG(MGAREG_DMAPAD, 0); + + PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); + PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000); + PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -299,13 +347,16 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) PRIMOUTREG(0x2d00 + 52 * 4, 0x40); /* Tex stage 1 : w */ PRIMOUTREG(0x2d00 + 60 * 4, 0x40); /* Tex stage 1 : h */ - /* Dma pading required due to hw bug */ - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR2, - (u32) (dev_priv->WarpIndex[pipe]. - phys_addr | WIA_wmode_start | WIA_wagp_agp)); + if (dev_priv->WarpPipe != pipe || 1) { + /* Dma pading required due to hw bug */ + PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); + PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); + PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); + PRIMOUTREG(MGAREG_WIADDR2, + (u32) (dev_priv->WarpIndex[pipe].phys_addr | + WIA_wmode_start | WIA_wagp_agp)); + } + PRIMADVANCE(dev_priv); } @@ -348,11 +399,20 @@ static void mgaEmitState(drm_mga_private_t * dev_priv) DRM_DEBUG("%s\n", __FUNCTION__); if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - int multitex = sarea_priv->WarpPipe & MGA_T2; + int multitex = (sarea_priv->TexState[0][MGA_TEXREG_CTL2] & + TMC_dualtex_enable); - if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { + dirty = ~0; + + if (dirty & MGA_UPLOAD_PIPE +/* && (sarea_priv->WarpPipe != dev_priv->WarpPipe || */ +/* sarea_priv->vertexsize != dev_priv->vertexsize) */ + ) + { mgaG400EmitPipe(dev_priv); dev_priv->WarpPipe = sarea_priv->WarpPipe; + dev_priv->vertexsize = sarea_priv->vertexsize; + sarea_priv->dirty &= ~MGA_UPLOAD_PIPE; } if (dirty & MGA_UPLOAD_CTX) { @@ -365,8 +425,11 @@ static void mgaEmitState(drm_mga_private_t * dev_priv) sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; } - if ((dirty & MGA_UPLOAD_TEX1) && multitex) { - mgaG400EmitTex1(dev_priv); + if (dirty & MGA_UPLOAD_TEX1) { + if (multitex) + mgaG400EmitTex1(dev_priv, 1); + else + mgaG400EmitTex1(dev_priv, 0); sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; } } else { @@ -492,7 +555,6 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, y2 = length / 64; PRIM_OVERFLOW(dev, dev_priv, 30); - PRIMGETPTR(dev_priv); PRIMOUTREG(MGAREG_DSTORG, destOrg); PRIMOUTREG(MGAREG_MACCESS, 0x00000000); @@ -526,7 +588,6 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf) int length = buf->used; int use_agp = PDEA_pagpxfer_enable; int i = 0; - int primary_needed; PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -542,10 +603,12 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf) * these numbers (Overestimating this doesn't hurt). */ buf_priv->dispatched = 1; - primary_needed = (50 + 15 + 15 + 30 + 25 + - 10 + 15 * MGA_NR_SAREA_CLIPRECTS); - PRIM_OVERFLOW(dev, dev_priv, primary_needed); + PRIM_OVERFLOW(dev, dev_priv, + (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS))); mgaEmitState(dev_priv); + +/* length = dev_priv->vertexsize * 3 * 4; */ + do { if (i < sarea_priv->nbox) { DRM_DEBUG("idx %d Emit box %d/%d:" @@ -592,7 +655,6 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, unsigned int address = (unsigned int) buf->bus_address; int use_agp = PDEA_pagpxfer_enable; int i = 0; - int primary_needed; PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -606,9 +668,8 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, * these numbers (Overestimating this doesn't hurt). */ buf_priv->dispatched = 1; - primary_needed = (50 + 15 + 15 + 30 + 25 + - 10 + 15 * MGA_NR_SAREA_CLIPRECTS); - PRIM_OVERFLOW(dev, dev_priv, primary_needed); + PRIM_OVERFLOW(dev, dev_priv, + (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS))); mgaEmitState(dev_priv); do { @@ -634,6 +695,7 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, SETADD_mode_vertlist)); PRIMOUTREG(MGAREG_SETUPEND, ((address + end) | use_agp)); +/* ((address + start + 12) | use_agp)); */ PRIMADVANCE(dev_priv); } while (++i < sarea_priv->nbox); } @@ -648,7 +710,9 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, unsigned int clear_color, - unsigned int clear_zval) + unsigned int clear_zval, + unsigned int clear_colormask, + unsigned int clear_depthmask) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; @@ -657,7 +721,6 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, drm_clip_rect_t *pbox = sarea_priv->boxes; unsigned int cmd; int i; - int primary_needed; PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); @@ -666,11 +729,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, else cmd = MGA_CLEAR_CMD | DC_atype_rstr; - primary_needed = nbox * 70; - if (primary_needed == 0) - primary_needed = 70; - PRIM_OVERFLOW(dev, dev_priv, primary_needed); - PRIMGETPTR(dev_priv); + PRIM_OVERFLOW(dev, dev_priv, 35 * MGA_NR_SAREA_CLIPRECTS); for (i = 0; i < nbox; i++) { unsigned int height = pbox[i].y2 - pbox[i].y1; @@ -683,6 +742,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, DRM_DEBUG("clear front\n"); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, clear_colormask); PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1 << 16) | height); PRIMOUTREG(MGAREG_FXBNDRY, @@ -697,7 +757,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, if (flags & MGA_BACK) { DRM_DEBUG("clear back\n"); PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, clear_colormask); PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1 << 16) | height); PRIMOUTREG(MGAREG_FXBNDRY, @@ -713,6 +773,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, DRM_DEBUG("clear depth\n"); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, clear_depthmask); PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1 << 16) | height); PRIMOUTREG(MGAREG_FXBNDRY, @@ -741,14 +802,12 @@ static void mga_dma_dispatch_swap(drm_device_t * dev) int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; int i; - int primary_needed; + int pixel_stride = dev_priv->stride / dev_priv->cpp; + PRIMLOCALS; DRM_DEBUG("%s\n", __FUNCTION__); - primary_needed = nbox * 5; - primary_needed += 65; - PRIM_OVERFLOW(dev, dev_priv, primary_needed); - PRIMGETPTR(dev_priv); + PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -758,7 +817,7 @@ static void mga_dma_dispatch_swap(drm_device_t * dev) PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset); - PRIMOUTREG(MGAREG_AR5, dev_priv->stride / 2); + PRIMOUTREG(MGAREG_AR5, pixel_stride); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -767,7 +826,7 @@ static void mga_dma_dispatch_swap(drm_device_t * dev) for (i = 0; i < nbox; i++) { unsigned int h = pbox[i].y2 - pbox[i].y1; - unsigned int start = pbox[i].y1 * dev_priv->stride / 2; + unsigned int start = pbox[i].y1 * pixel_stride; DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", pbox[i].x1, pbox[i].y1, pbox[i].x2, pbox[i].y2); @@ -815,9 +874,14 @@ int mga_clear_bufs(struct inode *inode, struct file *filp, */ dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; mga_dma_dispatch_clear(dev, clear.flags, - clear.clear_color, clear.clear_depth); + clear.clear_color, + clear.clear_depth, + clear.clear_color_mask, + clear.clear_depth_mask); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -847,7 +911,9 @@ int mga_swap_bufs(struct inode *inode, struct file *filp, PRIMUPDATE(dev_priv); set_bit(MGA_BUF_SWAP_PENDING, &dev_priv->current_prim->buffer_status); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -895,7 +961,9 @@ int mga_iload(struct inode *inode, struct file *filp, AGEBUF(dev_priv, buf_priv); buf_priv->discard = 1; mga_freelist_put(dev, buf); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -943,7 +1011,9 @@ int mga_vertex(struct inode *inode, struct file *filp, mga_dma_dispatch_vertex(dev, buf); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } @@ -990,7 +1060,9 @@ int mga_indices(struct inode *inode, struct file *filp, mga_dma_dispatch_indices(dev, buf, indices.start, indices.end); PRIMUPDATE(dev_priv); +#ifdef __i386__ mga_flush_write_combine(); +#endif mga_dma_schedule(dev, 1); return 0; } diff --git a/linux/picker.c b/linux/picker.c index 0bd8bfd5..f8cfe459 100644 --- a/linux/picker.c +++ b/linux/picker.c @@ -17,8 +17,13 @@ #define CONFIG_AGP 0 #endif +#ifndef CONFIG_FB_SIS +#define CONFIG_FB_SIS 0 +#endif + SMP = CONFIG_SMP MODVERSIONS = CONFIG_MODVERSIONS AGP = CONFIG_AGP AGP_MODULE = CONFIG_AGP_MODULE RELEASE = UTS_RELEASE +SIS = CONFIG_FB_SIS diff --git a/linux/proc.c b/linux/proc.c index ba6dee00..ca062a09 100644 --- a/linux/proc.c +++ b/linux/proc.c @@ -228,7 +228,7 @@ static int _drm_queues_info(char *buf, char **start, off_t offset, int len, atomic_inc(&q->use_count); DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), "%5d/0x%03x %5d %5d" - " %5d/%c%c/%c%c%c %5d %10d %10d %10d\n", + " %5d/%c%c/%c%c%c %5Zd %10d %10d %10d\n", i, q->flags, atomic_read(&q->use_count), @@ -351,17 +351,21 @@ static int drm_clients_info(char *buf, char **start, off_t offset, int len, #if DRM_DEBUG_CODE +#define DRM_VMA_VERBOSE 0 + static int _drm_vma_info(char *buf, char **start, off_t offset, int len, int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; drm_vma_entry_t *pt; + struct vm_area_struct *vma; +#if DRM_VMA_VERBOSE + unsigned long i; + unsigned long address; pgd_t *pgd; pmd_t *pmd; pte_t *pte; - unsigned long i; - struct vm_area_struct *vma; - unsigned long address; +#endif #if defined(__i386__) unsigned int pgprot; #endif @@ -517,9 +521,9 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, } else { DRM_PROC_PRINT("lock none\n"); } - DRM_PROC_PRINT("context_flag 0x%08x\n", dev->context_flag); - DRM_PROC_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag); - DRM_PROC_PRINT("dma_flag 0x%08x\n", dev->dma_flag); + DRM_PROC_PRINT("context_flag 0x%08lx\n", dev->context_flag); + DRM_PROC_PRINT("interrupt_flag 0x%08lx\n", dev->interrupt_flag); + DRM_PROC_PRINT("dma_flag 0x%08lx\n", dev->dma_flag); DRM_PROC_PRINT("queue_count %10d\n", dev->queue_count); DRM_PROC_PRINT("last_context %10d\n", dev->last_context); diff --git a/linux/r128_bufs.c b/linux/r128_bufs.c index e8ff4df4..bd81dcdc 100644 --- a/linux/r128_bufs.c +++ b/linux/r128_bufs.c @@ -31,12 +31,13 @@ */ #define __NO_VERSION__ +#include <linux/config.h> #include "drmP.h" #include "r128_drv.h" #include "linux/un.h" -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) int r128_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -199,7 +200,7 @@ int r128_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, sizeof(request), -EFAULT); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) if (request.flags & _DRM_AGP_BUFFER) return r128_addbufs_agp(inode, filp, cmd, arg); else diff --git a/linux/r128_context.c b/linux/r128_context.c index 388af82a..29756ca6 100644 --- a/linux/r128_context.c +++ b/linux/r128_context.c @@ -28,7 +28,6 @@ * */ - #define __NO_VERSION__ #include "drmP.h" #include "r128_drv.h" @@ -38,10 +37,6 @@ extern drm_ctx_t r128_res_ctx; static int r128_alloc_queue(drm_device_t *dev) { -#if 0 - static int context = 0; -#endif - return drm_ctxbitmap_next(dev); } diff --git a/linux/r128_dma.c b/linux/r128_dma.c index 330dbe63..d4b75bed 100644 --- a/linux/r128_dma.c +++ b/linux/r128_dma.c @@ -502,9 +502,6 @@ static int r128_submit_packets_ring_secure(drm_device_t *dev, /* Make sure WC cache has been flushed */ r128_flush_write_combine(); #endif -#ifdef __alpha - mb(); -#endif dev_priv->sarea_priv->ring_write = write; R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write); @@ -610,9 +607,6 @@ static int r128_submit_packets_ring(drm_device_t *dev, /* Make sure WC cache has been flushed */ r128_flush_write_combine(); #endif -#ifdef __alpha__ - mb(); -#endif dev_priv->sarea_priv->ring_write = write; R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write); @@ -778,13 +772,9 @@ static int r128_send_vertbufs(drm_device_t *dev, drm_r128_vertex_t *v) r128_mark_vertbufs_done(dev); } - /* Make sure WC cache has been flushed (if in PIO mode) */ - if (!dev_priv->cce_is_bm_mode) #ifdef __i386__ - r128_flush_write_combine(); -#endif -#ifdef __alpha__ - mb(); + /* Make sure WC cache has been flushed (if in PIO mode) */ + if (!dev_priv->cce_is_bm_mode) r128_flush_write_combine(); #endif /* FIXME: Add support for sending vertex buffer to the CCE here diff --git a/linux/r128_drv.c b/linux/r128_drv.c index 4c065551..bb24b13e 100644 --- a/linux/r128_drv.c +++ b/linux/r128_drv.c @@ -30,15 +30,12 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "r128_drv.h" -EXPORT_SYMBOL(r128_init); -EXPORT_SYMBOL(r128_cleanup); #define R128_NAME "r128" -#define R128_DESC "r128" -#define R128_DATE "20000607" +#define R128_DESC "ATI Rage 128" +#define R128_DATE "20000719" #define R128_MAJOR 1 #define R128_MINOR 0 #define R128_PATCHLEVEL 0 @@ -47,6 +44,10 @@ static drm_device_t r128_device; drm_ctx_t r128_res_ctx; static struct file_operations r128_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: r128_open, flush: drm_flush, release: r128_release, @@ -93,7 +94,7 @@ static drm_ioctl_desc_t r128_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, @@ -114,46 +115,26 @@ static drm_ioctl_desc_t r128_ioctls[] = { #define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *r128 = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("r128"); MODULE_PARM(r128, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - return r128_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - r128_cleanup(); -} -#endif - #ifndef MODULE -/* r128_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* r128_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init r128_setup(char *str, int *ints) +static int __init r128_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("r128=", r128_options); #endif static int r128_setup(drm_device_t *dev) @@ -255,7 +236,7 @@ static int r128_takedown(drm_device_t *dev) dev->magiclist[i].head = dev->magiclist[i].tail = NULL; } -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* Clear AGP information */ if (dev->agp) { drm_agp_mem_t *entry; @@ -342,7 +323,7 @@ static int r128_takedown(drm_device_t *dev) /* r128_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int r128_init(void) +static int r128_init(void) { int retcode; drm_device_t *dev = &r128_device; @@ -367,7 +348,7 @@ int r128_init(void) drm_mem_init(); drm_proc_init(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) dev->agp = drm_agp_init(); if (dev->agp == NULL) { DRM_ERROR("Cannot initialize agpgart module.\n"); @@ -406,7 +387,7 @@ int r128_init(void) /* r128_cleanup is called via cleanup_module at module unload time. */ -void r128_cleanup(void) +static void r128_cleanup(void) { drm_device_t *dev = &r128_device; @@ -420,15 +401,19 @@ void r128_cleanup(void) } drm_ctxbitmap_cleanup(dev); r128_takedown(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) if (dev->agp) { - /* FIXME -- free other information, too */ + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } #endif } +module_init(r128_init); +module_exit(r128_cleanup); + + int r128_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -470,7 +455,9 @@ int r128_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -479,18 +466,23 @@ int r128_open(struct inode *inode, struct file *filp) } spin_unlock(&dev->count_lock); } + return retcode; } int r128_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_release(inode, filp))) { - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -499,13 +491,17 @@ int r128_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return r128_takedown(dev); } spin_unlock(&dev->count_lock); } + + unlock_kernel(); return retcode; } @@ -660,6 +656,15 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd, #endif if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + if (lock.flags & _DRM_LOCK_READY) { /* Wait for space in DMA/FIFO */ } @@ -671,19 +676,11 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - DRM_ERROR("pid = %5d, old counter = %5ld\n", - current->pid, current->counter); -#endif +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != r128_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY/4; } -#if 0 - while (current->counter > 25) - current->counter >>= 1; /* decrease time slice */ - DRM_ERROR("pid = %5d, new counter = %5ld\n", - current->pid, current->counter); #endif DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); @@ -725,20 +722,13 @@ int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - current->policy |= SCHED_YIELD; - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1000); -#endif - +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != r128_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY; } -#if 0 - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(10); #endif + unblock_all_signals(); return 0; } diff --git a/linux/r128_drv.h b/linux/r128_drv.h index 81390bb8..5b15dddf 100644 --- a/linux/r128_drv.h +++ b/linux/r128_drv.h @@ -69,8 +69,6 @@ typedef struct drm_r128_buf_priv { } drm_r128_buf_priv_t; /* r128_drv.c */ -extern int r128_init(void); -extern void r128_cleanup(void); extern int r128_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int r128_open(struct inode *inode, struct file *filp); diff --git a/linux/sis_context.c b/linux/sis_context.c new file mode 100644 index 00000000..cabd3868 --- /dev/null +++ b/linux/sis_context.c @@ -0,0 +1,213 @@ +/* sis_context.c -- IOCTLs for sis contexts -*- linux-c -*- + * Created: Thu Oct 7 10:50:22 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@precisioninsight.com> + * + */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_context.c,v 1.2 2000/08/04 03:51:47 tsi Exp $ */ + +#include <linux/sched.h> + +#define __NO_VERSION__ +#include "drmP.h" +#include "sis_drv.h" + +extern drm_ctx_t sis_res_ctx; + +static int sis_alloc_queue(drm_device_t *dev) +{ + static int context = 0; + + return ++context; /* Should this reuse contexts in the future? */ +} + +int sis_context_switch(drm_device_t *dev, int old, int new) +{ + char buf[64]; + + atomic_inc(&dev->total_ctx); + + if (test_and_set_bit(0, &dev->context_flag)) { + DRM_ERROR("Reentering -- FIXME\n"); + return -EBUSY; + } + +#if DRM_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new == dev->last_context) { + clear_bit(0, &dev->context_flag); + return 0; + } + + if (drm_flags & DRM_FLAG_NOCTX) { + sis_context_switch_complete(dev, new); + } else { + sprintf(buf, "C %d %d\n", old, new); + drm_write_string(dev, buf); + } + + return 0; +} + +int sis_context_switch_complete(drm_device_t *dev, int new) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Lock isn't held after context switch\n"); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() + - dev->ctx_start)]); + +#endif + clear_bit(0, &dev->context_flag); + wake_up(&dev->context_wait); + + return 0; +} + + +int sis_resctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); + copy_from_user_ret(&res, (drm_ctx_res_t *)arg, sizeof(res), -EFAULT); + if (res.count >= DRM_RESERVED_CONTEXTS) { + memset(&ctx, 0, sizeof(ctx)); + for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { + ctx.handle = i; + copy_to_user_ret(&res.contexts[i], + &i, + sizeof(i), + -EFAULT); + } + } + res.count = DRM_RESERVED_CONTEXTS; + copy_to_user_ret((drm_ctx_res_t *)arg, &res, sizeof(res), -EFAULT); + return 0; +} + + +int sis_addctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT); + if ((ctx.handle = sis_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { + /* Skip kernel's context and get a new one. */ + ctx.handle = sis_alloc_queue(dev); + } + DRM_DEBUG("%d\n", ctx.handle); + + /* new added */ + sis_init_context(ctx.handle); + + copy_to_user_ret((drm_ctx_t *)arg, &ctx, sizeof(ctx), -EFAULT); + return 0; +} + +int sis_modctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t*)arg, sizeof(ctx), -EFAULT); + if (ctx.flags==_DRM_CONTEXT_PRESERVED) + sis_res_ctx.handle=ctx.handle; + return 0; +} + +int sis_getctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t*)arg, sizeof(ctx), -EFAULT); + /* This is 0, because we don't hanlde any context flags */ + ctx.flags = 0; + copy_to_user_ret((drm_ctx_t*)arg, &ctx, sizeof(ctx), -EFAULT); + return 0; +} + +int sis_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT); + DRM_DEBUG("%d\n", ctx.handle); + return sis_context_switch(dev, dev->last_context, ctx.handle); +} + +int sis_newctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT); + DRM_DEBUG("%d\n", ctx.handle); + sis_context_switch_complete(dev, ctx.handle); + + return 0; +} + +int sis_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_t ctx; + + copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT); + DRM_DEBUG("%d\n", ctx.handle); + /* This is currently a noop because we + don't reuse context values. Perhaps we + should? */ + + /* new added */ + sis_final_context(ctx.handle); + + return 0; +} diff --git a/linux/sis_drm.h b/linux/sis_drm.h new file mode 100644 index 00000000..dd14a5a5 --- /dev/null +++ b/linux/sis_drm.h @@ -0,0 +1,32 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drm_public.h,v 1.2 2000/08/04 03:51:47 tsi Exp $ */ + +#ifndef _sis_drm_public_h_ +#define _sis_drm_public_h_ + +typedef struct { + int context; + unsigned int offset; + unsigned int size; + unsigned int free; +} drm_sis_mem_t; + +typedef struct { + unsigned int offset, size; +} drm_sis_agp_t; + +typedef struct { + unsigned int left, right; +} drm_sis_flip_t; + +#define SIS_IOCTL_FB_ALLOC DRM_IOWR( 0x44, drm_sis_mem_t) +#define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t) + +#define SIS_IOCTL_AGP_INIT DRM_IOWR( 0x53, drm_sis_agp_t) +#define SIS_IOCTL_AGP_ALLOC DRM_IOWR( 0x54, drm_sis_mem_t) +#define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t) + +#define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t) +#define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49) +#define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50) + +#endif diff --git a/linux/sis_drv.c b/linux/sis_drv.c new file mode 100644 index 00000000..06ae7988 --- /dev/null +++ b/linux/sis_drv.c @@ -0,0 +1,709 @@ +/* sis.c -- sis driver -*- linux-c -*- + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/config.h> +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" + +#define SIS_NAME "sis" +#define SIS_DESC "sis" +#define SIS_DATE "19991009" +#define SIS_MAJOR 0 +#define SIS_MINOR 0 +#define SIS_PATCHLEVEL 1 + +static drm_device_t sis_device; +drm_ctx_t sis_res_ctx; + +static struct file_operations sis_fops = { + open: sis_open, + flush: drm_flush, + release: sis_release, + ioctl: sis_ioctl, + mmap: drm_mmap, + read: drm_read, + fasync: drm_fasync, + poll: drm_poll, +}; + +static struct miscdevice sis_misc = { + minor: MISC_DYNAMIC_MINOR, + name: SIS_NAME, + fops: &sis_fops, +}; + +static drm_ioctl_desc_t sis_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { sis_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { sis_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { sis_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { sis_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { sis_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { sis_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { sis_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { sis_resctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { sis_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { sis_unlock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, + +#ifdef DRM_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, +#endif + + /* FB Memory Management */ + [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, + + /* AGP Memory Management */ + [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sis_agp_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sis_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sis_agp_free, 1, 1 }, + +#if defined(SIS_STEREO) + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 }, +#endif +}; +#define SIS_IOCTL_COUNT DRM_ARRAY_SIZE(sis_ioctls) + +#ifdef MODULE +static char *sis = NULL; +#endif + +MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_DESCRIPTION("sis"); +MODULE_PARM(sis, "s"); + +static int sis_setup(drm_device_t *dev) +{ + int i; + + atomic_set(&dev->ioctl_count, 0); + atomic_set(&dev->vma_count, 0); + dev->buf_use = 0; + atomic_set(&dev->buf_alloc, 0); + + atomic_set(&dev->total_open, 0); + atomic_set(&dev->total_close, 0); + atomic_set(&dev->total_ioctl, 0); + atomic_set(&dev->total_irq, 0); + atomic_set(&dev->total_ctx, 0); + atomic_set(&dev->total_locks, 0); + atomic_set(&dev->total_unlocks, 0); + atomic_set(&dev->total_contends, 0); + atomic_set(&dev->total_sleeps, 0); + + for (i = 0; i < DRM_HASH_SIZE; i++) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head(&dev->lock.lock_queue); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer(&dev->timer); + init_waitqueue_head(&dev->context_wait); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head(&dev->buf_readers); + init_waitqueue_head(&dev->buf_writers); + + sis_res_ctx.handle=-1; + + DRM_DEBUG("\n"); + + /* The kernel's context could be created here, but is now created + in drm_dma_enqueue. This is more resource-efficient for + hardware that does not do DMA, but may mean that + drm_select_queue fails between the time the interrupt is + initialized and the time the queues are initialized. */ + + return 0; +} + + +static int sis_takedown(drm_device_t *dev) +{ + int i; + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + + DRM_DEBUG("\n"); + +#if defined(SIS_STEREO) + if (dev->irq) sis_irq_uninstall(dev); +#endif + + down(&dev->struct_sem); + del_timer(&dev->timer); + + if (dev->devname) { + drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); + dev->devname = NULL; + } + + if (dev->unique) { + drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for (i = 0; i < DRM_HASH_SIZE; i++) { + for (pt = dev->magiclist[i].head; pt; pt = next) { + next = pt->next; + drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } +#ifdef DRM_AGP + /* Clear AGP information */ + if (dev->agp) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until cleanup is called. */ + for (entry = dev->agp->memory; entry; entry = nexte) { + nexte = entry->next; + if (entry->bound) drm_unbind_agp(entry->memory); + drm_free_agp(entry->memory, entry->pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + } + dev->agp->memory = NULL; + + if (dev->agp->acquired && drm_agp.release) + (*drm_agp.release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if (dev->vmalist) { + for (vma = dev->vmalist; vma; vma = vma_next) { + vma_next = vma->next; + drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if (dev->maplist) { + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifdef CONFIG_MTRR + if (map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } +#endif + drm_ioremapfree(map->handle, map->size); + break; + case _DRM_SHM: + drm_free_pages((unsigned long)map->handle, + drm_order(map->size) + - PAGE_SHIFT, + DRM_MEM_SAREA); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + handled in the AGP/GART driver. */ + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + drm_free(dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS); + dev->maplist = NULL; + dev->map_count = 0; + } + + if (dev->lock.hw_lock) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible(&dev->lock.lock_queue); + } + up(&dev->struct_sem); + + return 0; +} + +/* sis_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). */ + +int sis_init(void) +{ + int retcode; + drm_device_t *dev = &sis_device; + + DRM_DEBUG("\n"); + + memset((void *)dev, 0, sizeof(*dev)); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init(&dev->struct_sem, 1); + +#ifdef MODULE + drm_parse_options(sis); +#endif + + if ((retcode = misc_register(&sis_misc))) { + DRM_ERROR("Cannot register \"%s\"\n", SIS_NAME); + return retcode; + } + dev->device = MKDEV(MISC_MAJOR, sis_misc.minor); + dev->name = SIS_NAME; + + drm_mem_init(); + drm_proc_init(dev); + +#ifdef DRM_AGP + DRM_DEBUG("doing agp init\n"); + dev->agp = drm_agp_init(); + if(dev->agp == NULL) { + /* TODO, if no agp, run MMIO mode */ + DRM_INFO("The sis drm module requires the agpgart module" + " to function correctly\nPlease load the agpgart" + " module before you load the mga module\n"); + drm_proc_cleanup(); + misc_deregister(&sis_misc); + sis_takedown(dev); + return -ENOMEM; + } +#ifdef CONFIG_MTRR + dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024 * 1024, + MTRR_TYPE_WRCOMB, + 1); +#endif +#endif + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", + SIS_NAME, + SIS_MAJOR, + SIS_MINOR, + SIS_PATCHLEVEL, + SIS_DATE, + sis_misc.minor); + + return 0; +} + +/* sis_cleanup is called via cleanup_module at module unload time. */ + +void sis_cleanup(void) +{ + drm_device_t *dev = &sis_device; + + DRM_DEBUG("\n"); + + drm_proc_cleanup(); + if (misc_deregister(&sis_misc)) { + DRM_ERROR("Cannot unload module\n"); + } else { + DRM_INFO("Module unloaded\n"); + } +#ifdef DRM_AGP +#ifdef CONFIG_MTRR + if(dev->agp && dev->agp->agp_mtrr) { + int retval; + retval = mtrr_del(dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * 1024*1024); + DRM_DEBUG("mtrr_del = %d\n", retval); + } +#endif +#endif + + sis_takedown(dev); +#ifdef DRM_AGP + if (dev->agp) { + drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); + dev->agp = NULL; + } +#endif +} + +int sis_version(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_version_t version; + int len; + + copy_from_user_ret(&version, + (drm_version_t *)arg, + sizeof(version), + -EFAULT); + +#define DRM_COPY(name,value) \ + len = strlen(value); \ + if (len > name##_len) len = name##_len; \ + name##_len = strlen(value); \ + if (len && name) { \ + copy_to_user_ret(name, value, len, -EFAULT); \ + } + + version.version_major = SIS_MAJOR; + version.version_minor = SIS_MINOR; + version.version_patchlevel = SIS_PATCHLEVEL; + + DRM_COPY(version.name, SIS_NAME); + DRM_COPY(version.date, SIS_DATE); + DRM_COPY(version.desc, SIS_DESC); + + copy_to_user_ret((drm_version_t *)arg, + &version, + sizeof(version), + -EFAULT); + return 0; +} + +int sis_open(struct inode *inode, struct file *filp) +{ + drm_device_t *dev = &sis_device; + int retcode = 0; + + DRM_DEBUG("open_count = %d\n", dev->open_count); + + if (!(retcode = drm_open_helper(inode, filp, dev))) { + MOD_INC_USE_COUNT; + atomic_inc(&dev->total_open); + spin_lock(&dev->count_lock); + if (!dev->open_count++) { + spin_unlock(&dev->count_lock); + return sis_setup(dev); + } + spin_unlock(&dev->count_lock); + } + return retcode; +} + +int sis_release(struct inode *inode, struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode = 0; + + DRM_DEBUG("open_count = %d\n", dev->open_count); + + if (!(retcode = drm_release(inode, filp))) { + MOD_DEC_USE_COUNT; + atomic_inc(&dev->total_close); + spin_lock(&dev->count_lock); + if (!--dev->open_count) { + if (atomic_read(&dev->ioctl_count) || dev->blocked) { + DRM_ERROR("Device busy: %d %d\n", + atomic_read(&dev->ioctl_count), + dev->blocked); + spin_unlock(&dev->count_lock); + return -EBUSY; + } + spin_unlock(&dev->count_lock); + return sis_takedown(dev); + } + spin_unlock(&dev->count_lock); + } + return retcode; +} + +/* sis_ioctl is called whenever a process performs an ioctl on /dev/drm. */ + +int sis_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + int nr = DRM_IOCTL_NR(cmd); + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode = 0; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + + atomic_inc(&dev->ioctl_count); + atomic_inc(&dev->total_ioctl); + ++priv->ioctl_count; + + DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", + current->pid, cmd, nr, dev->device, priv->authenticated); + + if (nr >= SIS_IOCTL_COUNT) { + retcode = -EINVAL; + } else { + ioctl = &sis_ioctls[nr]; + func = ioctl->func; + + if (!func) { + DRM_DEBUG("no function\n"); + retcode = -EINVAL; + } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) + || (ioctl->auth_needed && !priv->authenticated)) { + retcode = -EACCES; + } else { + retcode = (func)(inode, filp, cmd, arg); + } + } + + atomic_dec(&dev->ioctl_count); + return retcode; +} + +int sis_lock(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE(entry, current); + int ret = 0; + drm_lock_t lock; +#if DRM_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + copy_from_user_ret(&lock, (drm_lock_t *)arg, sizeof(lock), -EFAULT); + + if (lock.context == DRM_KERNEL_CONTEXT) { + DRM_ERROR("Process %d using kernel context %d\n", + current->pid, lock.context); + return -EINVAL; + } + + DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, dev->lock.hw_lock->lock, + lock.flags); + +#if 0 + /* dev->queue_count == 0 right now for + sis. FIXME? */ + if (lock.context < 0 || lock.context >= dev->queue_count) + return -EINVAL; +#endif + + if (!ret) { +#if 0 + if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) + != lock.context) { + long j = jiffies - dev->lock.lock_time; + + if (lock.context == sis_res_ctx.handle && + j >= 0 && j < DRM_LOCK_SLICE) { + /* Can't take lock if we just had it and + there is contention. */ + DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n", + lock.context, current->pid, j, + dev->lock.lock_time, jiffies); + current->state = TASK_INTERRUPTIBLE; + current->policy |= SCHED_YIELD; + schedule_timeout(DRM_LOCK_SLICE-j); + DRM_DEBUG("jiffies=%d\n", jiffies); + } + } +#endif + add_wait_queue(&dev->lock.lock_queue, &entry); + for (;;) { + if (!dev->lock.hw_lock) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if (drm_lock_take(&dev->lock.hw_lock->lock, + lock.context)) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc(&dev->total_locks); + break; /* Got lock */ + } + + /* Contention */ + atomic_inc(&dev->total_sleeps); + current->state = TASK_INTERRUPTIBLE; + current->policy |= SCHED_YIELD; + schedule(); + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue(&dev->lock.lock_queue, &entry); + } + +#if 0 + if (!ret && dev->last_context != lock.context && + lock.context != sis_res_ctx.handle && + dev->last_context != sis_res_ctx.handle) { + add_wait_queue(&dev->context_wait, &entry); + current->state = TASK_INTERRUPTIBLE; + /* PRE: dev->last_context != lock.context */ + sis_context_switch(dev, dev->last_context, lock.context); + /* POST: we will wait for the context + switch and will dispatch on a later call + when dev->last_context == lock.context + NOTE WE HOLD THE LOCK THROUGHOUT THIS + TIME! */ + current->policy |= SCHED_YIELD; + schedule(); + current->state = TASK_RUNNING; + remove_wait_queue(&dev->context_wait, &entry); + if (signal_pending(current)) { + ret = -EINTR; + } else if (dev->last_context != lock.context) { + DRM_ERROR("Context mismatch: %d %d\n", + dev->last_context, lock.context); + } + } +#endif + + if (!ret) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + + if (lock.flags & _DRM_LOCK_READY) { + /* Wait for space in DMA/FIFO */ + } + if (lock.flags & _DRM_LOCK_QUIESCENT) { + /* Make hardware quiescent */ +#if 0 + sis_quiescent(dev); +#endif + } + } + + DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); + +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); +#endif + + return ret; +} + + +int sis_unlock(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + copy_from_user_ret(&lock, (drm_lock_t *)arg, sizeof(lock), -EFAULT); + + if (lock.context == DRM_KERNEL_CONTEXT) { + DRM_ERROR("Process %d using kernel context %d\n", + current->pid, lock.context); + return -EINVAL; + } + + DRM_DEBUG("%d frees lock (%d holds)\n", + lock.context, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); + atomic_inc(&dev->total_unlocks); + if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) + atomic_inc(&dev->total_contends); + drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); + /* FIXME: Try to send data to card here */ + if (!dev->context_flag) { + if (drm_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("\n"); + } + } + + unblock_all_signals(); + return 0; +} + +module_init(sis_init); +module_exit(sis_cleanup); + +#ifndef MODULE +/* + * sis_setup is called by the kernel to parse command-line options passed + * via the boot-loader (e.g., LILO). It calls the insmod option routine, + * drm_parse_options. + */ +static int __init sis_options(char *str) +{ + drm_parse_options(str); + return 1; +} + +__setup("sis=", sis_options); +#endif diff --git a/linux/sis_drv.h b/linux/sis_drv.h new file mode 100644 index 00000000..24523b8f --- /dev/null +++ b/linux/sis_drv.h @@ -0,0 +1,94 @@ +/* sis_drv.h -- Private header for sis driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drv.h,v 1.2 2000/08/04 03:51:47 tsi Exp $ */ + +#ifndef _SIS_DRV_H_ +#define _SIS_DRV_H_ + + /* sis_drv.c */ +extern int sis_init(void); +extern void sis_cleanup(void); +extern int sis_version(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_open(struct inode *inode, struct file *filp); +extern int sis_release(struct inode *inode, struct file *filp); +extern int sis_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_irq_install(drm_device_t *dev, int irq); +extern int sis_irq_uninstall(drm_device_t *dev); +extern int sis_control(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_lock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_unlock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* sis_context.c */ + +extern int sis_resctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_addctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_modctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_getctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_switchctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_newctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int sis_rmctx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + +extern int sis_context_switch(drm_device_t *dev, int old, int new); +extern int sis_context_switch_complete(drm_device_t *dev, int new); + +int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); + + +int sis_agp_init(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int sis_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int sis_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); + +int sis_flip(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int sis_flip_init(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +int sis_flip_final(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg); +void flip_final(void); + +int sis_init_context(int contexy); +int sis_final_context(int context); + +#endif diff --git a/linux/sis_ds.c b/linux/sis_ds.c new file mode 100644 index 00000000..592722c7 --- /dev/null +++ b/linux/sis_ds.c @@ -0,0 +1,377 @@ +#define __NO_VERSION__ +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/malloc.h> +#include <linux/poll.h> +#include <asm/io.h> +#include <linux/pci.h> + +#include "sis_ds.h" + +/* Set Data Structure, not check repeated value + * temporarily used + */ + +set_t *setInit(void) +{ + int i; + set_t *set; + + set = (set_t *)MALLOC(sizeof(set_t)); + for(i = 0; i < SET_SIZE; i++){ + set->list[i].free_next = i+1; + set->list[i].alloc_next = -1; + } + set->list[SET_SIZE-1].free_next = -1; + set->free = 0; + set->alloc = -1; + set->trace = -1; + + return set; +} + +int setAdd(set_t *set, ITEM_TYPE item) +{ + int free = set->free; + + if(free != -1){ + set->list[free].val = item; + set->free = set->list[free].free_next; + } + else{ + return 0; + } + + set->list[free].alloc_next = set->alloc; + set->alloc = free; + set->list[free].free_next = -1; + + return 1; +} + +int setDel(set_t *set, ITEM_TYPE item) +{ + int alloc = set->alloc; + int prev = -1; + + while(alloc != -1){ + if(set->list[alloc].val == item){ + if(prev != -1) + set->list[prev].alloc_next = set->list[alloc].alloc_next; + else + set->alloc = set->list[alloc].alloc_next; + break; + } + prev = alloc; + alloc = set->list[alloc].alloc_next; + } + + if(alloc == -1) + return 0; + + set->list[alloc].free_next = set->free; + set->free = alloc; + set->list[alloc].alloc_next = -1; + + return 1; +} + +/* setFirst -> setAdd -> setNext is wrong */ + +int setFirst(set_t *set, ITEM_TYPE *item) +{ + if(set->alloc == -1) + return 0; + + *item = set->list[set->alloc].val; + set->trace = set->list[set->alloc].alloc_next; + + return 1; +} + +int setNext(set_t *set, ITEM_TYPE *item) +{ + if(set->trace == -1) + return 0; + + *item = set->list[set->trace].val; + set->trace = set->list[set->trace].alloc_next; + + return 1; +} + +int setDestroy(set_t *set) +{ + FREE(set); + + return 1; +} + +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Keith Whitwell + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_ds.c,v 1.1 2000/08/01 20:52:27 dawes Exp $ */ + +#define ISFREE(bptr) ((bptr)->free) + +#define PRINTF(fmt, arg...) do{}while(0) +#define fprintf(fmt, arg...) do{}while(0) + +static void *calloc(size_t nmemb, size_t size) +{ + void *addr; + addr = kmalloc(nmemb*size, GFP_KERNEL); + memset(addr, 0, nmemb*size); + return addr; +} +#define free(n) kfree(n) + +void mmDumpMemInfo( memHeap_t *heap ) +{ + TMemBlock *p; + + PRINTF ("Memory heap %p:\n", heap); + if (heap == 0) { + PRINTF (" heap == 0\n"); + } else { + p = (TMemBlock *)heap; + while (p) { + PRINTF (" Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size, + p->free ? '.':'U', + p->reserved ? 'R':'.'); + p = p->next; + } + } + PRINTF ("End of memory blocks\n"); +} + +memHeap_t *mmInit(int ofs, + int size) +{ + PMemBlock blocks; + + if (size <= 0) { + return 0; + } + blocks = (TMemBlock *) calloc(1,sizeof(TMemBlock)); + if (blocks) { + blocks->ofs = ofs; + blocks->size = size; + blocks->free = 1; + return (memHeap_t *)blocks; + } else + return 0; +} + +/* Kludgey workaround for existing i810 server. Remove soon. + */ +memHeap_t *mmAddRange( memHeap_t *heap, + int ofs, + int size ) +{ + PMemBlock blocks; + blocks = (TMemBlock *) calloc(2,sizeof(TMemBlock)); + if (blocks) { + blocks[0].size = size; + blocks[0].free = 1; + blocks[0].ofs = ofs; + blocks[0].next = &blocks[1]; + + /* Discontinuity - stops JoinBlock from trying to join non-adjacent + * ranges. + */ + blocks[1].size = 0; + blocks[1].free = 0; + blocks[1].ofs = ofs+size; + blocks[1].next = (PMemBlock) heap; + return (memHeap_t *)blocks; + } + else + return heap; +} + +static TMemBlock* SliceBlock(TMemBlock *p, + int startofs, int size, + int reserved, int alignment) +{ + TMemBlock *newblock; + + /* break left */ + if (startofs > p->ofs) { + newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock)); + newblock->ofs = startofs; + newblock->size = p->size - (startofs - p->ofs); + newblock->free = 1; + newblock->next = p->next; + p->size -= newblock->size; + p->next = newblock; + p = newblock; + } + + /* break right */ + if (size < p->size) { + newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock)); + newblock->ofs = startofs + size; + newblock->size = p->size - size; + newblock->free = 1; + newblock->next = p->next; + p->size = size; + p->next = newblock; + } + + /* p = middle block */ + p->align = alignment; + p->free = 0; + p->reserved = reserved; + return p; +} + +PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch) +{ + int mask,startofs,endofs; + TMemBlock *p; + + if (!heap || align2 < 0 || size <= 0) + return NULL; + mask = (1 << align2)-1; + startofs = 0; + p = (TMemBlock *)heap; + while (p) { + if (ISFREE(p)) { + startofs = (p->ofs + mask) & ~mask; + if ( startofs < startSearch ) { + startofs = startSearch; + } + endofs = startofs+size; + if (endofs <= (p->ofs+p->size)) + break; + } + p = p->next; + } + if (!p) + return NULL; + p = SliceBlock(p,startofs,size,0,mask+1); + p->heap = heap; + return p; +} + +static __inline__ int Join2Blocks(TMemBlock *p) +{ + if (p->free && p->next && p->next->free) { + TMemBlock *q = p->next; + p->size += q->size; + p->next = q->next; + free(q); + return 1; + } + return 0; +} + +int mmFreeMem(PMemBlock b) +{ + TMemBlock *p,*prev; + + if (!b) + return 0; + if (!b->heap) { + fprintf(stderr, "no heap\n"); + return -1; + } + p = b->heap; + prev = NULL; + while (p && p != b) { + prev = p; + p = p->next; + } + if (!p || p->free || p->reserved) { + if (!p) + fprintf(stderr, "block not found in heap\n"); + else if (p->free) + fprintf(stderr, "block already free\n"); + else + fprintf(stderr, "block is reserved\n"); + return -1; + } + p->free = 1; + Join2Blocks(p); + if (prev) + Join2Blocks(prev); + return 0; +} + +int mmReserveMem(memHeap_t *heap, int offset,int size) +{ + int endofs; + TMemBlock *p; + + if (!heap || size <= 0) + return -1; + endofs = offset+size; + p = (TMemBlock *)heap; + while (p && p->ofs <= offset) { + if (ISFREE(p) && endofs <= (p->ofs+p->size)) { + SliceBlock(p,offset,size,1,1); + return 0; + } + p = p->next; + } + return -1; +} + +int mmFreeReserved(memHeap_t *heap, int offset) +{ + TMemBlock *p,*prev; + + if (!heap) + return -1; + p = (TMemBlock *)heap; + prev = NULL; + while (p && p->ofs != offset) { + prev = p; + p = p->next; + } + if (!p || !p->reserved) + return -1; + p->free = 1; + p->reserved = 0; + Join2Blocks(p); + if (prev) + Join2Blocks(prev); + return 0; +} + +void mmDestroy(memHeap_t *heap) +{ + TMemBlock *p,*q; + + if (!heap) + return; + p = (TMemBlock *)heap; + while (p) { + q = p->next; + free(p); + p = q; + } +} diff --git a/linux/sis_ds.h b/linux/sis_ds.h new file mode 100644 index 00000000..87a8b03d --- /dev/null +++ b/linux/sis_ds.h @@ -0,0 +1,135 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_ds.h,v 1.2 2000/08/04 03:51:47 tsi Exp $ */ + +#ifndef _sis_ds_h_ +#define _sis_ds_h_ + +/* Set Data Structure */ + +#define SET_SIZE 5000 +#define MALLOC(s) kmalloc(s, GFP_KERNEL) +#define FREE(s) kfree(s) + +typedef unsigned int ITEM_TYPE; + +typedef struct { + ITEM_TYPE val; + int alloc_next, free_next; +} list_item_t; + +typedef struct { + int alloc; + int free; + int trace; + list_item_t list[SET_SIZE]; +} set_t; + +set_t *setInit(void); +int setAdd(set_t *set, ITEM_TYPE item); +int setDel(set_t *set, ITEM_TYPE item); +int setFirst(set_t *set, ITEM_TYPE *item); +int setNext(set_t *set, ITEM_TYPE *item); +int setDestroy(set_t *set); + +#endif + +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Keith Whitwell + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef MM_INC +#define MM_INC + +struct mem_block_t { + struct mem_block_t *next; + struct mem_block_t *heap; + int ofs,size; + int align; + int free:1; + int reserved:1; +}; +typedef struct mem_block_t TMemBlock; +typedef struct mem_block_t *PMemBlock; + +/* a heap is just the first block in a chain */ +typedef struct mem_block_t memHeap_t; + +static __inline__ int mmBlockSize(PMemBlock b) +{ return b->size; } + +static __inline__ int mmOffset(PMemBlock b) +{ return b->ofs; } + +static __inline__ void mmMarkReserved(PMemBlock b) +{ b->reserved = 1; } + +/* + * input: total size in bytes + * return: a heap pointer if OK, NULL if error + */ +memHeap_t *mmInit( int ofs, int size ); + + + +memHeap_t *mmAddRange( memHeap_t *heap, + int ofs, + int size ); + + +/* + * Allocate 'size' bytes with 2^align2 bytes alignment, + * restrict the search to free memory after 'startSearch' + * depth and back buffers should be in different 4mb banks + * to get better page hits if possible + * input: size = size of block + * align2 = 2^align2 bytes alignment + * startSearch = linear offset from start of heap to begin search + * return: pointer to the allocated block, 0 if error + */ +PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch ); + +/* + * Free block starts at offset + * input: pointer to a block + * return: 0 if OK, -1 if error + */ +int mmFreeMem( PMemBlock b ); + +/* + * Reserve 'size' bytes block start at offset + * This is used to prevent allocation of memory already used + * by the X server for the front buffer, pixmaps, and cursor + * input: size, offset + * output: 0 if OK, -1 if error + */ +int mmReserveMem( memHeap_t *heap, int offset,int size ); +int mmFreeReserved( memHeap_t *heap, int offset ); + +/* + * destroy MM + */ +void mmDestroy( memHeap_t *mmInit ); + +/* For debuging purpose. */ +void mmDumpMemInfo( memHeap_t *mmInit ); + +#endif diff --git a/linux/sis_mm.c b/linux/sis_mm.c new file mode 100644 index 00000000..333b5196 --- /dev/null +++ b/linux/sis_mm.c @@ -0,0 +1,275 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_mm.c,v 1.2 2000/08/04 03:51:48 tsi Exp $ */ + +#define __NO_VERSION__ +#include "drmP.h" +#include "sis_drm.h" +#include "sis_ds.h" +#include "sis_drv.h" +#include <linux/fb.h> +#include <linux/sisfb.h> +#include <linux/interrupt.h> + +#define MAX_CONTEXT 100 +#define VIDEO_TYPE 0 +#define AGP_TYPE 1 + +typedef struct { + int used; + int context; + set_t *sets[2]; /* 0 for video, 1 for AGP */ +} sis_context_t; + +static sis_context_t global_ppriv[MAX_CONTEXT]; + +static int add_alloc_set(int context, int type, unsigned int val) +{ + int i, retval = 0; + + for(i = 0; i < MAX_CONTEXT; i++) + if(global_ppriv[i].used && global_ppriv[i].context == context){ + retval = setAdd(global_ppriv[i].sets[type], val); + break; + } + return retval; +} + +static int del_alloc_set(int context, int type, unsigned int val) +{ + int i, retval = 0; + for(i = 0; i < MAX_CONTEXT; i++) + if(global_ppriv[i].used && global_ppriv[i].context == context){ + retval = setDel(global_ppriv[i].sets[type], val); + break; + } + return retval; +} + +/* fb management via fb device */ +#if 1 +int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_sis_mem_t fb; + struct sis_memreq req; + int retval = 0; + + copy_from_user_ret(&fb, (drm_sis_mem_t *)arg, sizeof(fb), -EFAULT); + + req.size = fb.size; + sis_malloc(&req); + if(req.offset){ + /* TODO */ + fb.offset = req.offset; + fb.free = req.offset; + if(!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)){ + DRM_DEBUG("adding to allocation set fails"); + sis_free(req.offset); + retval = -1; + } + } + else{ + fb.offset = 0; + fb.size = 0; + fb.free = 0; + } + + copy_to_user_ret((drm_sis_mem_t *)arg, &fb, sizeof(fb), -EFAULT); + + DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); + + return retval; +} + +int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_sis_mem_t fb; + int retval = 0; + + copy_from_user_ret(&fb, (drm_sis_mem_t *)arg, sizeof(fb), -EFAULT); + + if(!fb.free){ + return -1; + } + + sis_free(fb.free); + if(!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) + retval = -1; + + DRM_DEBUG("free fb, offset = %d\n", fb.free); + + return retval; +} + +#else + +int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + return -1; +} + +int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + return 0; +} + +#endif + +/* agp memory management */ +#if 1 + +static memHeap_t *AgpHeap = NULL; + +int sis_agp_init(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_sis_agp_t agp; + + copy_from_user_ret(&agp, (drm_sis_agp_t *)arg, sizeof(agp), -EFAULT); + + AgpHeap = mmInit(agp.offset, agp.size); + + DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); + + return 0; +} + +int sis_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_sis_mem_t agp; + PMemBlock block; + int retval = 0; + + if(!AgpHeap) + return -1; + + copy_from_user_ret(&agp, (drm_sis_mem_t *)arg, sizeof(agp), -EFAULT); + + block = mmAllocMem(AgpHeap, agp.size, 0, 0); + if(block){ + /* TODO */ + agp.offset = block->ofs; + agp.free = (unsigned int)block; + if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){ + DRM_DEBUG("adding to allocation set fails"); + mmFreeMem((PMemBlock)agp.free); + retval = -1; + } + } + else{ + agp.offset = 0; + agp.size = 0; + agp.free = 0; + } + + copy_to_user_ret((drm_sis_mem_t *)arg, &agp, sizeof(agp), -EFAULT); + + DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset); + + return retval; +} + +int sis_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_sis_mem_t agp; + int retval = 0; + + if(!AgpHeap) + return -1; + + copy_from_user_ret(&agp, (drm_sis_mem_t *)arg, sizeof(agp), -EFAULT); + + if(!agp.free){ + return -1; + } + + mmFreeMem((PMemBlock)agp.free); + if(!del_alloc_set(agp.context, AGP_TYPE, agp.free)) + retval = -1; + + DRM_DEBUG("free agp, free = %d\n", agp.free); + + return retval; +} + +#endif + +int sis_init_context(int context) +{ + int i; + + for(i = 0; i < MAX_CONTEXT ; i++) + if(global_ppriv[i].used && (global_ppriv[i].context == context)) + break; + + if(i >= MAX_CONTEXT){ + for(i = 0; i < MAX_CONTEXT ; i++){ + if(!global_ppriv[i].used){ + global_ppriv[i].context = context; + global_ppriv[i].used = 1; + global_ppriv[i].sets[0] = setInit(); + global_ppriv[i].sets[1] = setInit(); + DRM_DEBUG("init allocation set, socket=%d, context = %d\n", + i, context); + break; + } + } + if((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || + (global_ppriv[i].sets[1] == NULL)){ + return 0; + } + } + + return 1; +} + +int sis_final_context(int context) +{ + int i; + + for(i=0; i<MAX_CONTEXT; i++) + if(global_ppriv[i].used && (global_ppriv[i].context == context)) + break; + + if(i < MAX_CONTEXT){ + set_t *set; + unsigned int item; + int retval; + + DRM_DEBUG("find socket %d, context = %d\n", i, context); + + /* Video Memory */ + set = global_ppriv[i].sets[0]; + retval = setFirst(set, &item); + while(retval){ + DRM_DEBUG("free video memory 0x%x\n", item); + sis_free(item); + retval = setNext(set, &item); + } + setDestroy(set); + + /* AGP Memory */ + set = global_ppriv[i].sets[1]; + retval = setFirst(set, &item); + while(retval){ + DRM_DEBUG("free agp memory 0x%x\n", item); + mmFreeMem((PMemBlock)item); + retval = setNext(set, &item); + } + setDestroy(set); + + global_ppriv[i].used = 0; + } + + /* turn-off auto-flip */ + /* TODO */ +#if defined(SIS_STEREO) + flip_final(); +#endif + + return 1; +} diff --git a/linux/tdfx_context.c b/linux/tdfx_context.c index 55ffdeec..34b1cecd 100644 --- a/linux/tdfx_context.c +++ b/linux/tdfx_context.c @@ -30,7 +30,6 @@ * */ - #define __NO_VERSION__ #include "drmP.h" #include "tdfx_drv.h" diff --git a/linux/tdfx_drv.c b/linux/tdfx_drv.c index 582832b5..07febea1 100644 --- a/linux/tdfx_drv.c +++ b/linux/tdfx_drv.c @@ -31,15 +31,12 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "tdfx_drv.h" -EXPORT_SYMBOL(tdfx_init); -EXPORT_SYMBOL(tdfx_cleanup); #define TDFX_NAME "tdfx" -#define TDFX_DESC "tdfx" -#define TDFX_DATE "19991009" +#define TDFX_DESC "3dfx Banshee/Voodoo3+" +#define TDFX_DATE "20000719" #define TDFX_MAJOR 1 #define TDFX_MINOR 0 #define TDFX_PATCHLEVEL 0 @@ -48,6 +45,10 @@ static drm_device_t tdfx_device; drm_ctx_t tdfx_res_ctx; static struct file_operations tdfx_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: tdfx_open, flush: drm_flush, release: tdfx_release, @@ -88,7 +89,7 @@ static drm_ioctl_desc_t tdfx_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { tdfx_lock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { tdfx_unlock, 1, 0 }, [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire, 1, 1}, [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release, 1, 1}, [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable, 1, 1}, @@ -102,46 +103,26 @@ static drm_ioctl_desc_t tdfx_ioctls[] = { #define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *tdfx = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("tdfx"); MODULE_PARM(tdfx, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - return tdfx_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - tdfx_cleanup(); -} -#endif - #ifndef MODULE -/* tdfx_setup is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - +/* tdfx_options is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ -void __init tdfx_setup(char *str, int *ints) +static int __init tdfx_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("tdfx=", tdfx_options); #endif static int tdfx_setup(drm_device_t *dev) @@ -241,7 +222,7 @@ static int tdfx_takedown(drm_device_t *dev) } dev->magiclist[i].head = dev->magiclist[i].tail = NULL; } -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) /* Clear AGP information */ if (dev->agp) { drm_agp_mem_t *temp; @@ -254,9 +235,7 @@ static int tdfx_takedown(drm_device_t *dev) drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS); temp = temp_next; } - if(dev->agp->acquired) (*drm_agp.release)(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; + if (dev->agp->acquired) (*drm_agp.release)(); } #endif /* Clear vma list (only built for debugging) */ @@ -319,7 +298,7 @@ static int tdfx_takedown(drm_device_t *dev) /* tdfx_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int tdfx_init(void) +static int tdfx_init(void) { int retcode; drm_device_t *dev = &tdfx_device; @@ -343,7 +322,7 @@ int tdfx_init(void) drm_mem_init(); drm_proc_init(dev); -#ifdef DRM_AGP +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) dev->agp = drm_agp_init(); #endif if((retcode = drm_ctxbitmap_init(dev))) { @@ -367,7 +346,7 @@ int tdfx_init(void) /* tdfx_cleanup is called via cleanup_module at module unload time. */ -void tdfx_cleanup(void) +static void tdfx_cleanup(void) { drm_device_t *dev = &tdfx_device; @@ -381,8 +360,19 @@ void tdfx_cleanup(void) } drm_ctxbitmap_cleanup(dev); tdfx_takedown(dev); +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + if (dev->agp) { + drm_agp_uninit(); + drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); + dev->agp = NULL; + } +#endif } +module_init(tdfx_init); +module_exit(tdfx_cleanup); + + int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -424,7 +414,9 @@ int tdfx_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -439,12 +431,17 @@ int tdfx_open(struct inode *inode, struct file *filp) int tdfx_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; + DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_release(inode, filp))) { - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -453,13 +450,17 @@ int tdfx_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return tdfx_takedown(dev); } spin_unlock(&dev->count_lock); } + + unlock_kernel(); return retcode; } @@ -614,6 +615,16 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, #endif if (!ret) { +#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */ + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); +#endif if (lock.flags & _DRM_LOCK_READY) { /* Wait for space in DMA/FIFO */ } @@ -625,19 +636,11 @@ int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - DRM_ERROR("pid = %5d, old counter = %5ld\n", - current->pid, current->counter); -#endif +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != tdfx_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY/4; } -#if 0 - while (current->counter > 25) - current->counter >>= 1; /* decrease time slice */ - DRM_ERROR("pid = %5d, new counter = %5ld\n", - current->pid, current->counter); #endif DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); @@ -679,20 +682,15 @@ int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd, } } -#if 0 - current->policy |= SCHED_YIELD; - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1000); -#endif - +#if LINUX_VERSION_CODE < 0x020400 if (lock.context != tdfx_res_ctx.handle) { current->counter = 5; current->priority = DEF_PRIORITY; } -#if 0 - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(10); #endif +#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */ + unblock_all_signals(); +#endif return 0; } diff --git a/linux/tdfx_drv.h b/linux/tdfx_drv.h index 879e6d37..bee840e1 100644 --- a/linux/tdfx_drv.h +++ b/linux/tdfx_drv.h @@ -25,8 +25,8 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@precisioninsight.com> - * Daryll Strauss <daryll@precisioninsight.com> + * Rickard E. (Rik) Faith <faith@valinux.com> + * Daryll Strauss <daryll@valinux.com> * */ @@ -34,8 +34,6 @@ #define _TDFX_DRV_H_ /* tdfx_drv.c */ -extern int tdfx_init(void); -extern void tdfx_cleanup(void); extern int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int tdfx_open(struct inode *inode, struct file *filp); @@ -44,6 +44,12 @@ struct vm_operations_struct drm_vm_shm_ops = { close: drm_vm_close, }; +struct vm_operations_struct drm_vm_shm_lock_ops = { + nopage: drm_vm_shm_nopage_lock, + open: drm_vm_open, + close: drm_vm_close, +}; + struct vm_operations_struct drm_vm_dma_ops = { nopage: drm_vm_dma_nopage, open: drm_vm_open, @@ -77,6 +83,40 @@ struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, int write_access) #endif { +#if LINUX_VERSION_CODE >= 0x020300 + drm_map_t *map = (drm_map_t *)vma->vm_private_data; +#else + drm_map_t *map = (drm_map_t *)vma->vm_pte; +#endif + unsigned long physical; + unsigned long offset; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!map) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + physical = (unsigned long)map->handle + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx => 0x%08lx\n", address, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; unsigned long physical; @@ -88,14 +128,14 @@ struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, offset = address - vma->vm_start; page = offset >> PAGE_SHIFT; - physical = (unsigned long)dev->lock.hw_lock + (offset & (~PAGE_MASK)); - atomic_inc(&mem_map[MAP_NR(physical)].count); /* Dec. by kernel */ + physical = (unsigned long)dev->lock.hw_lock + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); #if LINUX_VERSION_CODE < 0x020317 return physical; #else - return mem_map + MAP_NR(physical); + return virt_to_page(physical); #endif } @@ -124,13 +164,13 @@ struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ page = offset >> PAGE_SHIFT; physical = dma->pagelist[page] + (offset & (~PAGE_MASK)); - atomic_inc(&mem_map[MAP_NR(physical)].count); /* Dec. by kernel */ + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); #if LINUX_VERSION_CODE < 0x020317 return physical; #else - return mem_map + MAP_NR(physical); + return virt_to_page(physical); #endif } @@ -145,7 +185,11 @@ void drm_vm_open(struct vm_area_struct *vma) DRM_DEBUG("0x%08lx,0x%08lx\n", vma->vm_start, vma->vm_end - vma->vm_start); atomic_inc(&dev->vma_count); - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + /* The map can exist after the fd is closed. */ + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + #if DRM_DEBUG_CODE vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); @@ -170,7 +214,9 @@ void drm_vm_close(struct vm_area_struct *vma) DRM_DEBUG("0x%08lx,0x%08lx\n", vma->vm_start, vma->vm_end - vma->vm_start); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_dec(&dev->vma_count); #if DRM_DEBUG_CODE @@ -193,15 +239,22 @@ void drm_vm_close(struct vm_area_struct *vma) int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; + drm_device_t *dev; + drm_device_dma_t *dma; unsigned long length = vma->vm_end - vma->vm_start; + lock_kernel(); + dev = priv->dev; + dma = dev->dma; DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", vma->vm_start, vma->vm_end, VM_OFFSET(vma)); /* Length must match exact page count */ - if ((length >> PAGE_SHIFT) != dma->page_count) return -EINVAL; + if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { + unlock_kernel(); + return -EINVAL; + } + unlock_kernel(); vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ @@ -270,6 +323,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; } +#elif defined(__ia64__) + if (map->type != _DRM_AGP) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); #endif vma->vm_flags |= VM_IO; /* not in core dump */ } @@ -285,7 +341,17 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_ops = &drm_vm_ops; break; case _DRM_SHM: - vma->vm_ops = &drm_vm_shm_ops; + if (map->flags & _DRM_CONTAINS_LOCK) + vma->vm_ops = &drm_vm_shm_lock_ops; + else { + vma->vm_ops = &drm_vm_shm_ops; +#if LINUX_VERSION_CODE >= 0x020300 + vma->vm_private_data = (void *)map; +#else + vma->vm_pte = (unsigned long)map; +#endif + } + /* Don't let this area swap. Change when DRM_KERNEL advisory is supported. */ vma->vm_flags |= VM_LOCKED; diff --git a/shared-core/drm.h b/shared-core/drm.h index 4affcc41..5a979e1c 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -353,6 +353,8 @@ typedef struct drm_agp_info { #define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44) #define DRM_IOCTL_I810_GETBUF DRM_IOWR(0x45, drm_i810_dma_t) #define DRM_IOCTL_I810_SWAP DRM_IO ( 0x46) +#define DRM_IOCTL_I810_COPY DRM_IOW( 0x47, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO ( 0x48) /* Rage 128 specific ioctls */ #define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t) diff --git a/shared/drm.h b/shared/drm.h index 4affcc41..5a979e1c 100644 --- a/shared/drm.h +++ b/shared/drm.h @@ -353,6 +353,8 @@ typedef struct drm_agp_info { #define DRM_IOCTL_I810_GETAGE DRM_IO ( 0x44) #define DRM_IOCTL_I810_GETBUF DRM_IOWR(0x45, drm_i810_dma_t) #define DRM_IOCTL_I810_SWAP DRM_IO ( 0x46) +#define DRM_IOCTL_I810_COPY DRM_IOW( 0x47, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO ( 0x48) /* Rage 128 specific ioctls */ #define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t) |