diff options
| -rw-r--r-- | bsd-core/Makefile | 2 | ||||
| -rw-r--r-- | bsd-core/ati_pcigart.c | 11 | ||||
| -rw-r--r-- | bsd-core/drmP.h | 14 | ||||
| -rw-r--r-- | bsd-core/drm_agpsupport.c | 18 | ||||
| -rw-r--r-- | bsd-core/radeon/Makefile | 3 | ||||
| -rw-r--r-- | linux-core/Makefile | 4 | ||||
| -rw-r--r-- | linux-core/Makefile.kernel | 2 | ||||
| -rw-r--r-- | linux-core/ati_pcigart.c | 12 | ||||
| -rw-r--r-- | linux-core/drmP.h | 7 | ||||
| -rw-r--r-- | linux-core/drm_memory.h | 1 | ||||
| -rw-r--r-- | shared-core/drm_pciids.txt | 13 | ||||
| -rw-r--r-- | shared-core/r128_cce.c | 2 | ||||
| -rw-r--r-- | shared-core/r300_cmdbuf.c | 803 | ||||
| -rw-r--r-- | shared-core/r300_reg.h | 1412 | ||||
| -rw-r--r-- | shared-core/radeon_cp.c | 46 | ||||
| -rw-r--r-- | shared-core/radeon_drm.h | 47 | ||||
| -rw-r--r-- | shared-core/radeon_drv.h | 50 | ||||
| -rw-r--r-- | shared-core/radeon_state.c | 73 |
18 files changed, 2470 insertions, 50 deletions
diff --git a/bsd-core/Makefile b/bsd-core/Makefile index 895e0377..5f1204ab 100644 --- a/bsd-core/Makefile +++ b/bsd-core/Makefile @@ -29,6 +29,8 @@ SHAREDFILES= drm.h \ radeon_irq.c \ radeon_mem.c \ radeon_state.c \ + r300_cmdbuf.c \ + r300_reg.h \ sis_drm.h \ sis_drv.h \ sis_ds.c \ diff --git a/bsd-core/ati_pcigart.c b/bsd-core/ati_pcigart.c index 2eff5be1..f6131664 100644 --- a/bsd-core/ati_pcigart.c +++ b/bsd-core/ati_pcigart.c @@ -36,7 +36,7 @@ #define ATI_PCIGART_TABLE_SIZE 32768 int drm_ati_pcigart_init(drm_device_t *dev, unsigned long *addr, - dma_addr_t *bus_addr) + dma_addr_t *bus_addr, int is_pcie) { unsigned long pages; u32 *pci_gart = 0, page_base; @@ -71,7 +71,14 @@ int drm_ati_pcigart_init(drm_device_t *dev, unsigned long *addr, page_base = (u32) dev->sg->busaddr[i]; for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - *pci_gart++ = cpu_to_le32( page_base ); + if (is_pcie) { + *pci_gart = (cpu_to_le32(page_base)>>8) | 0xc; + DRM_DEBUG("PCIE: %d %08X %08X to %p\n", i, + page_base, (cpu_to_le32(page_base)>>8)|0xc, + pci_gart); + } else + *pci_gart = cpu_to_le32(page_base); + pci_gart++; page_base += ATI_PCIGART_PAGE_SIZE; } } diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index 88cf938b..ab6cc534 100644 --- a/bsd-core/drmP.h +++ b/bsd-core/drmP.h @@ -258,6 +258,15 @@ typedef drm_device_t *device_t; extern struct cfdriver drm_cd; #endif /* !__FreeBSD__ */ +/* Capabilities taken from src/sys/dev/pci/pcireg.h. */ +#ifndef PCIY_AGP +#define PCIY_AGP 0x02 +#endif + +#ifndef PCIY_EXPRESS +#define PCIY_EXPRESS 0x10 +#endif + typedef unsigned long dma_addr_t; typedef u_int32_t u32; typedef u_int16_t u16; @@ -854,8 +863,9 @@ void drm_driver_irq_uninstall(drm_device_t *dev); int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); void drm_vbl_send_signals(drm_device_t *dev); -/* AGP/GART support (drm_agpsupport.c) */ +/* AGP/PCI Express/GART support (drm_agpsupport.c) */ int drm_device_is_agp(drm_device_t *dev); +int drm_device_is_pcie(drm_device_t *dev); drm_agp_head_t *drm_agp_init(void); void drm_agp_uninit(void); int drm_agp_acquire(drm_device_t *dev); @@ -882,7 +892,7 @@ extern int drm_sysctl_cleanup(drm_device_t *dev); /* ATI PCIGART support (ati_pcigart.c) */ int drm_ati_pcigart_init(drm_device_t *dev, unsigned long *addr, - dma_addr_t *bus_addr); + dma_addr_t *bus_addr, int is_pcie); int drm_ati_pcigart_cleanup(drm_device_t *dev, unsigned long addr, dma_addr_t bus_addr); diff --git a/bsd-core/drm_agpsupport.c b/bsd-core/drm_agpsupport.c index 9e98140a..4f3a6f28 100644 --- a/bsd-core/drm_agpsupport.c +++ b/bsd-core/drm_agpsupport.c @@ -39,8 +39,8 @@ #endif /* Returns 1 if AGP or 0 if not. */ -int -drm_device_is_agp(drm_device_t *dev) +static int +drm_device_find_capability(drm_device_t *dev, int cap) { int ret; @@ -74,9 +74,9 @@ drm_device_is_agp(drm_device_t *dev) next = AGP_CAPID_GET_NEXT_PTR(capid); /* - * If this capability entry ID is 2, then we are done. + * If this capability entry ID is cap, then we are done. */ - if (AGP_CAPID_GET_CAP_ID(capid) == 2) + if (AGP_CAPID_GET_CAP_ID(capid) == cap) return 1; } @@ -87,6 +87,16 @@ drm_device_is_agp(drm_device_t *dev) #endif } +int drm_device_is_agp(drm_device_t *dev) +{ + return (drm_device_find_capability(dev, PCIY_AGP)); +} + +int drm_device_is_pcie(drm_device_t *dev) +{ + return (drm_device_find_capability(dev, PCIY_EXPRESS)); +} + int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info) { struct agp_info *kern; diff --git a/bsd-core/radeon/Makefile b/bsd-core/radeon/Makefile index b1167521..3348a869 100644 --- a/bsd-core/radeon/Makefile +++ b/bsd-core/radeon/Makefile @@ -3,7 +3,8 @@ .PATH: ${.CURDIR}/.. KMOD = radeon NO_MAN = YES -SRCS = radeon_cp.c radeon_drv.c radeon_state.c radeon_irq.c radeon_mem.c +SRCS = r300_cmdbuf.c radeon_cp.c radeon_drv.c radeon_state.c radeon_irq.c \ + radeon_mem.c SRCS += device_if.h bus_if.h pci_if.h opt_drm.h CFLAGS += ${DEBUG_FLAGS} -I. -I.. diff --git a/linux-core/Makefile b/linux-core/Makefile index 70b2a8f7..5b2b2315 100644 --- a/linux-core/Makefile +++ b/linux-core/Makefile @@ -75,9 +75,9 @@ TDFXHEADERS = tdfx_drv.h $(DRMHEADERS) TDFXSHARED = tdfx_drv.h R128HEADERS = r128_drv.h r128_drm.h $(DRMHEADERS) R128SHARED = r128_drv.h r128_drm.h r128_cce.c r128_state.c r128_irq.c -RADEONHEADERS = radeon_drv.h radeon_drm.h $(DRMHEADERS) +RADEONHEADERS = radeon_drv.h radeon_drm.h r300_reg.h $(DRMHEADERS) RADEONSHARED = radeon_drv.h radeon_drm.h radeon_cp.c radeon_irq.c \ - radeon_mem.c radeon_state.c + radeon_mem.c radeon_state.c r300_cmdbuf.c r300_reg.h MGAHEADERS = mga_drv.h mga_drm.h mga_ucode.h $(DRMHEADERS) MGASHARED = mga_dma.c mga_drm.h mga_drv.h mga_irq.c mga_state.c \ mga_ucode.h mga_warp.c diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index b091156f..1700c0a9 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -18,7 +18,7 @@ mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o i810-objs := i810_drv.o i810_dma.o i830-objs := i830_drv.o i830_dma.o i830_irq.o i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_pm.o -radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o +radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o sis-objs := sis_drv.o sis_ds.o sis_mm.o ffb-objs := ffb_drv.o ffb_context.o savage-objs := savage_drv.o savage_bci.o savage_state.o diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index f990635a..3e654c79 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -92,7 +92,8 @@ static void drm_ati_free_pcigart_table(unsigned long address) } int drm_ati_pcigart_init(drm_device_t * dev, - unsigned long *addr, dma_addr_t * bus_addr) + unsigned long *addr, dma_addr_t * bus_addr, + int is_pcie) { drm_sg_mem_t *entry = dev->sg; unsigned long address = 0; @@ -149,7 +150,14 @@ int drm_ati_pcigart_init(drm_device_t * dev, page_base = (u32) entry->busaddr[i]; for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - *pci_gart++ = cpu_to_le32(page_base); + if (is_pcie) + { + *pci_gart = (cpu_to_le32(page_base)>>8) | 0xc; + DRM_DEBUG("PCIE: %d %08X %08X to %p\n", i, page_base, (cpu_to_le32(page_base)>>8)|0xc, pci_gart); + } + else + *pci_gart = cpu_to_le32(page_base); + pci_gart++; page_base += ATI_PCIGART_PAGE_SIZE; } } diff --git a/linux-core/drmP.h b/linux-core/drmP.h index ba289968..53048ebf 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -973,7 +973,7 @@ extern int drm_sg_free(struct inode *inode, struct file *filp, /* ATI PCIGART support (ati_pcigart.h) */ extern int drm_ati_pcigart_init(drm_device_t * dev, - unsigned long *addr, dma_addr_t * bus_addr); + unsigned long *addr, dma_addr_t * bus_addr, int is_pcie); extern int drm_ati_pcigart_cleanup(drm_device_t * dev, unsigned long addr, dma_addr_t bus_addr); @@ -1038,6 +1038,11 @@ static __inline__ int drm_device_is_agp(drm_device_t *dev) return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); } +static __inline__ int drm_device_is_pcie(drm_device_t *dev) +{ + return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); +} + static __inline__ void drm_core_dropmap(struct drm_map *map) { } diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h index f354885b..4a4fd5c3 100644 --- a/linux-core/drm_memory.h +++ b/linux-core/drm_memory.h @@ -35,6 +35,7 @@ #include <linux/config.h> #include <linux/highmem.h> +#include <linux/vmalloc.h> #include "drmP.h" /** diff --git a/shared-core/drm_pciids.txt b/shared-core/drm_pciids.txt index aa975eed..cda53d94 100644 --- a/shared-core/drm_pciids.txt +++ b/shared-core/drm_pciids.txt @@ -21,6 +21,8 @@ 0x1002 0x4965 CHIP_R250 "ATI Radeon Ie R250 9000" 0x1002 0x4966 CHIP_R250 "ATI Radeon If R250 9000" 0x1002 0x4967 CHIP_R250 "ATI Radeon Ig R250 9000" +0x1002 0x4A49 CHIP_R420 "ATI Radeon JI R420 X800PRO" +0x1002 0x4A4B CHIP_R420 "ATI Radeon JK R420 X800 XT" 0x1002 0x4C57 CHIP_RV200|CHIP_IS_MOBILITY "ATI Radeon LW RV200 Mobility 7500 M7" 0x1002 0x4C58 CHIP_RV200|CHIP_IS_MOBILITY "ATI Radeon LX RV200 Mobility FireGL 7800 M7" 0x1002 0x4C59 CHIP_RV100|CHIP_IS_MOBILITY "ATI Radeon LY RV100 Mobility M6" @@ -29,7 +31,17 @@ 0x1002 0x4C65 CHIP_R250|CHIP_IS_MOBILITY "ATI Radeon Le R250 Mobility 9000 M9" 0x1002 0x4C66 CHIP_R250|CHIP_IS_MOBILITY "ATI Radeon Lf R250 Mobility 9000 M9" 0x1002 0x4C67 CHIP_R250|CHIP_IS_MOBILITY "ATI Radeon Lg R250 Mobility 9000 M9" +0x1002 0x4E44 CHIP_R300 "ATI Radeon ND R300 9700 Pro" +0x1002 0x4E45 CHIP_R300 "ATI Radeon NE R300 9500 Pro" +0x1002 0x4E46 CHIP_RV350 "ATI Radeon NF RV350 9600" +0x1002 0x4E47 CHIP_R300 "ATI Radeon NG R300 FireGL X1" +0x1002 0x4E48 CHIP_R350 "ATI Radeon NH R350 9800 Pro" +0x1002 0x4E49 CHIP_R350 "ATI Radeon NI R350 9800" +0x1002 0x4E4A CHIP_RV350 "ATI Radeon NJ RV350 9800 XT" +0x1002 0x4E4B CHIP_R350 "ATI Radeon NK R350 FireGL X2" 0x1002 0x4E50 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV300 Mobility 9600 M10" +0x1002 0x4E51 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon RV350 Mobility 9600 M10 NQ" +0x1002 0x4E54 CHIP_RV350|CHIP_IS_MOBILITY "ATI Radeon FireGL T2 128" 0x1002 0x5144 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QD R100" 0x1002 0x5145 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QE R100" 0x1002 0x5146 CHIP_R100|CHIP_SINGLE_CRTC "ATI Radeon QF R100" @@ -52,6 +64,7 @@ 0x1002 0x516A CHIP_R200 "ATI Radeon Qj R200" 0x1002 0x516B CHIP_R200 "ATI Radeon Qk R200" 0x1002 0x516C CHIP_R200 "ATI Radeon Ql R200" +0x1002 0x5460 CHIP_RV350 "ATI Radeon X300" 0x1002 0x5834 CHIP_RS300|CHIP_IS_IGP "ATI Radeon RS300 IGP" 0x1002 0x5835 CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY "ATI Radeon RS300 Mobility IGP" 0x1002 0x5836 CHIP_RS300|CHIP_IS_IGP "ATI Radeon RS300 IGP" diff --git a/shared-core/r128_cce.c b/shared-core/r128_cce.c index 0def4007..34348cf0 100644 --- a/shared-core/r128_cce.c +++ b/shared-core/r128_cce.c @@ -557,7 +557,7 @@ static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init) if (dev_priv->is_pci) { #endif if (!drm_ati_pcigart_init(dev, &dev_priv->phys_pci_gart, - &dev_priv->bus_pci_gart)) { + &dev_priv->bus_pci_gart, 0)) { DRM_ERROR("failed to init PCI GART!\n"); dev->dev_private = (void *)dev_priv; r128_do_cleanup_cce(dev); diff --git a/shared-core/r300_cmdbuf.c b/shared-core/r300_cmdbuf.c new file mode 100644 index 00000000..af5b77f0 --- /dev/null +++ b/shared-core/r300_cmdbuf.c @@ -0,0 +1,803 @@ +/* r300_cmdbuf.c -- Command buffer emission for R300 -*- linux-c -*- + * + * Copyright (C) The Weather Channel, Inc. 2002. + * Copyright (C) 2004 Nicolai Haehnle. + * All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * 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: + * Nicolai Haehnle <prefect_@gmx.net> + */ + +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" +#include "r300_reg.h" + + +#define R300_SIMULTANEOUS_CLIPRECTS 4 + +/* Values for R300_RE_CLIPRECT_CNTL depending on the number of cliprects + */ +static const int r300_cliprect_cntl[4] = { + 0xAAAA, + 0xEEEE, + 0xFEFE, + 0xFFFE +}; + + +/** + * Emit up to R300_SIMULTANEOUS_CLIPRECTS cliprects from the given command + * buffer, starting with index n. + */ +static int r300_emit_cliprects(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + int n) +{ + drm_clip_rect_t box; + int nr; + int i; + RING_LOCALS; + + nr = cmdbuf->nbox - n; + if (nr > R300_SIMULTANEOUS_CLIPRECTS) + nr = R300_SIMULTANEOUS_CLIPRECTS; + + DRM_DEBUG("%i cliprects\n", nr); + + if (nr) { + BEGIN_RING(6 + nr*2); + OUT_RING( CP_PACKET0( R300_RE_CLIPRECT_TL_0, nr*2 - 1 ) ); + + for(i = 0; i < nr; ++i) { + if (DRM_COPY_FROM_USER_UNCHECKED(&box, &cmdbuf->boxes[n+i], sizeof(box))) { + DRM_ERROR("copy cliprect faulted\n"); + return DRM_ERR(EFAULT); + } + + box.x1 = (box.x1 + R300_CLIPRECT_OFFSET) & R300_CLIPRECT_MASK; + box.y1 = (box.y1 + R300_CLIPRECT_OFFSET) & R300_CLIPRECT_MASK; + box.x2 = (box.x2 + R300_CLIPRECT_OFFSET) & R300_CLIPRECT_MASK; + box.y2 = (box.y2 + R300_CLIPRECT_OFFSET) & R300_CLIPRECT_MASK; + + OUT_RING((box.x1 << R300_CLIPRECT_X_SHIFT) | + (box.y1 << R300_CLIPRECT_Y_SHIFT)); + OUT_RING((box.x2 << R300_CLIPRECT_X_SHIFT) | + (box.y2 << R300_CLIPRECT_Y_SHIFT)); + } + + OUT_RING_REG( R300_RE_CLIPRECT_CNTL, r300_cliprect_cntl[nr-1] ); + + /* TODO/SECURITY: Force scissors to a safe value, otherwise the + * client might be able to trample over memory. + * The impact should be very limited, but I'd rather be safe than + * sorry. + */ + OUT_RING( CP_PACKET0( R300_RE_SCISSORS_TL, 1 ) ); + OUT_RING( 0 ); + OUT_RING( R300_SCISSORS_X_MASK | R300_SCISSORS_Y_MASK ); + ADVANCE_RING(); + } else { + /* Why we allow zero cliprect rendering: + * There are some commands in a command buffer that must be submitted + * even when there are no cliprects, e.g. DMA buffer discard + * or state setting (though state setting could be avoided by + * simulating a loss of context). + * + * Now since the cmdbuf interface is so chaotic right now (and is + * bound to remain that way for a bit until things settle down), + * it is basically impossible to filter out the commands that are + * necessary and those that aren't. + * + * So I choose the safe way and don't do any filtering at all; + * instead, I simply set up the engine so that all rendering + * can't produce any fragments. + */ + BEGIN_RING(2); + OUT_RING_REG( R300_RE_CLIPRECT_CNTL, 0 ); + ADVANCE_RING(); + } + + return 0; +} + +u8 r300_reg_flags[0x10000>>2]; + + +void r300_init_reg_flags(void) +{ + int i; + memset(r300_reg_flags, 0, 0x10000>>2); + #define ADD_RANGE_MARK(reg, count,mark) \ + for(i=((reg)>>2);i<((reg)>>2)+(count);i++)\ + r300_reg_flags[i]|=(mark); + + #define MARK_SAFE 1 + #define MARK_CHECK_OFFSET 2 + + #define ADD_RANGE(reg, count) ADD_RANGE_MARK(reg, count, MARK_SAFE) + + /* these match cmducs() command in r300_driver/r300/r300_cmdbuf.c */ + ADD_RANGE(R300_SE_VPORT_XSCALE, 6); + ADD_RANGE(0x2080, 1); + ADD_RANGE(R300_SE_VTE_CNTL, 2); + ADD_RANGE(0x2134, 2); + ADD_RANGE(0x2140, 1); + ADD_RANGE(R300_VAP_INPUT_CNTL_0, 2); + ADD_RANGE(0x21DC, 1); + ADD_RANGE(0x221C, 1); + ADD_RANGE(0x2220, 4); + ADD_RANGE(0x2288, 1); + ADD_RANGE(R300_VAP_OUTPUT_VTX_FMT_0, 2); + ADD_RANGE(R300_VAP_PVS_CNTL_1, 3); + ADD_RANGE(R300_GB_ENABLE, 1); + ADD_RANGE(R300_GB_MSPOS0, 5); + ADD_RANGE(R300_TX_ENABLE, 1); + ADD_RANGE(0x4200, 4); + ADD_RANGE(0x4214, 1); + ADD_RANGE(R300_RE_POINTSIZE, 1); + ADD_RANGE(0x4230, 3); + ADD_RANGE(R300_RE_LINE_CNT, 1); + ADD_RANGE(0x4238, 1); + ADD_RANGE(0x4260, 3); + ADD_RANGE(0x4274, 4); + ADD_RANGE(0x4288, 5); + ADD_RANGE(0x42A0, 1); + ADD_RANGE(R300_RE_ZBIAS_T_FACTOR, 4); + ADD_RANGE(0x42B4, 1); + ADD_RANGE(R300_RE_CULL_CNTL, 1); + ADD_RANGE(0x42C0, 2); + ADD_RANGE(R300_RS_CNTL_0, 2); + ADD_RANGE(R300_RS_INTERP_0, 8); + ADD_RANGE(R300_RS_ROUTE_0, 8); + ADD_RANGE(0x43A4, 2); + ADD_RANGE(0x43E8, 1); + ADD_RANGE(R300_PFS_CNTL_0, 3); + ADD_RANGE(R300_PFS_NODE_0, 4); + ADD_RANGE(R300_PFS_TEXI_0, 64); + ADD_RANGE(0x46A4, 5); + ADD_RANGE(R300_PFS_INSTR0_0, 64); + ADD_RANGE(R300_PFS_INSTR1_0, 64); + ADD_RANGE(R300_PFS_INSTR2_0, 64); + ADD_RANGE(R300_PFS_INSTR3_0, 64); + ADD_RANGE(0x4BC0, 1); + ADD_RANGE(0x4BC8, 3); + ADD_RANGE(R300_PP_ALPHA_TEST, 2); + ADD_RANGE(0x4BD8, 1); + ADD_RANGE(R300_PFS_PARAM_0_X, 64); + ADD_RANGE(0x4E00, 1); + ADD_RANGE(R300_RB3D_CBLEND, 2); + ADD_RANGE(R300_RB3D_COLORMASK, 1); + ADD_RANGE(0x4E10, 3); + ADD_RANGE_MARK(R300_RB3D_COLOROFFSET0, 1, MARK_CHECK_OFFSET); /* check offset */ + ADD_RANGE(R300_RB3D_COLORPITCH0, 1); + ADD_RANGE(0x4E50, 9); + ADD_RANGE(0x4E88, 1); + ADD_RANGE(0x4EA0, 2); + ADD_RANGE(R300_RB3D_ZSTENCIL_CNTL_0, 3); + ADD_RANGE(0x4F10, 4); + ADD_RANGE_MARK(R300_RB3D_DEPTHOFFSET, 1, MARK_CHECK_OFFSET); /* check offset */ + ADD_RANGE(R300_RB3D_DEPTHPITCH, 1); + ADD_RANGE(0x4F28, 1); + ADD_RANGE(0x4F30, 2); + ADD_RANGE(0x4F44, 1); + ADD_RANGE(0x4F54, 1); + + ADD_RANGE(R300_TX_FILTER_0, 16); + ADD_RANGE(R300_TX_UNK1_0, 16); + ADD_RANGE(R300_TX_SIZE_0, 16); + ADD_RANGE(R300_TX_FORMAT_0, 16); + /* Texture offset is dangerous and needs more checking */ + ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); + ADD_RANGE(R300_TX_UNK4_0, 16); + ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); + + /* Sporadic registers used as primitives are emitted */ + ADD_RANGE(0x4f18, 1); + ADD_RANGE(R300_RB3D_DSTCACHE_CTLSTAT, 1); + ADD_RANGE(R300_VAP_INPUT_ROUTE_0_0, 8); + ADD_RANGE(R300_VAP_INPUT_ROUTE_1_0, 8); + +} + +static __inline__ int r300_check_range(unsigned reg, int count) +{ + int i; + if(reg & ~0xffff)return -1; + for(i=(reg>>2);i<(reg>>2)+count;i++) + if(r300_reg_flags[i]!=MARK_SAFE)return 1; + return 0; +} + + /* we expect offsets passed to the framebuffer to be either within video memory or + within AGP space */ +static __inline__ int r300_check_offset(drm_radeon_private_t* dev_priv, u32 offset) +{ + /* we realy want to check against end of video aperture + but this value is not being kept. + This code is correct for now (does the same thing as the + code that sets MC_FB_LOCATION) in radeon_cp.c */ + if((offset>=dev_priv->fb_location) && + (offset<dev_priv->gart_vm_start))return 0; + if((offset>=dev_priv->gart_vm_start) && + (offset<dev_priv->gart_vm_start+dev_priv->gart_size))return 0; + return 1; +} + +static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + drm_r300_cmd_header_t header) +{ + int reg; + int sz; + int i; + int values[64]; + RING_LOCALS; + + sz = header.packet0.count; + reg = (header.packet0.reghi << 8) | header.packet0.reglo; + + if((sz>64)||(sz<0)){ + DRM_ERROR("Cannot emit more than 64 values at a time (reg=%04x sz=%d)\n", reg, sz); + return DRM_ERR(EINVAL); + } + for(i=0;i<sz;i++){ + values[i]=((int __user*)cmdbuf->buf)[i]; + switch(r300_reg_flags[(reg>>2)+i]){ + case MARK_SAFE: + break; + case MARK_CHECK_OFFSET: + if(r300_check_offset(dev_priv, (u32)values[i])){ + DRM_ERROR("Offset failed range check (reg=%04x sz=%d)\n", reg, sz); + return DRM_ERR(EINVAL); + } + break; + default: + DRM_ERROR("Register %04x failed check as flag=%02x\n", reg+i*4, r300_reg_flags[(reg>>2)+i]); + return DRM_ERR(EINVAL); + } + } + + BEGIN_RING(1+sz); + OUT_RING( CP_PACKET0( reg, sz-1 ) ); + OUT_RING_TABLE( values, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz*4; + cmdbuf->bufsz -= sz*4; + + return 0; +} + +/** + * Emits a packet0 setting arbitrary registers. + * Called by r300_do_cp_cmdbuf. + * + * Note that checks are performed on contents and addresses of the registers + */ +static __inline__ int r300_emit_packet0(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + drm_r300_cmd_header_t header) +{ + int reg; + int sz; + RING_LOCALS; + + sz = header.packet0.count; + reg = (header.packet0.reghi << 8) | header.packet0.reglo; + + if (!sz) + return 0; + + if (sz*4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + if (reg+sz*4 >= 0x10000){ + DRM_ERROR("No such registers in hardware reg=%04x sz=%d\n", reg, sz); + return DRM_ERR(EINVAL); + } + + if(r300_check_range(reg, sz)){ + /* go and check everything */ + return r300_emit_carefully_checked_packet0(dev_priv, cmdbuf, header); + } + /* the rest of the data is safe to emit, whatever the values the user passed */ + + BEGIN_RING(1+sz); + OUT_RING( CP_PACKET0( reg, sz-1 ) ); + OUT_RING_TABLE( (int __user*)cmdbuf->buf, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz*4; + cmdbuf->bufsz -= sz*4; + + return 0; +} + + +/** + * Uploads user-supplied vertex program instructions or parameters onto + * the graphics card. + * Called by r300_do_cp_cmdbuf. + */ +static __inline__ int r300_emit_vpu(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + drm_r300_cmd_header_t header) +{ + int sz; + int addr; + RING_LOCALS; + + sz = header.vpu.count; + addr = (header.vpu.adrhi << 8) | header.vpu.adrlo; + + if (!sz) + return 0; + if (sz*16 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + BEGIN_RING(5+sz*4); + /* Wait for VAP to come to senses.. */ + /* there is no need to emit it multiple times, (only once before VAP is programmed, + but this optimization is for later */ + OUT_RING_REG( R300_VAP_PVS_WAITIDLE, 0 ); + OUT_RING_REG( R300_VAP_PVS_UPLOAD_ADDRESS, addr ); + OUT_RING( CP_PACKET0_TABLE( R300_VAP_PVS_UPLOAD_DATA, sz*4 - 1 ) ); + OUT_RING_TABLE( (int __user*)cmdbuf->buf, sz*4 ); + + ADVANCE_RING(); + + cmdbuf->buf += sz*16; + cmdbuf->bufsz -= sz*16; + + return 0; +} + + +/** + * Emit a clear packet from userspace. + * Called by r300_emit_packet3. + */ +static __inline__ int r300_emit_clear(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf) +{ + RING_LOCALS; + + if (8*4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + BEGIN_RING(10); + OUT_RING( CP_PACKET3( R200_3D_DRAW_IMMD_2, 8 ) ); + OUT_RING( R300_PRIM_TYPE_POINT|R300_PRIM_WALK_RING| + (1<<R300_PRIM_NUM_VERTICES_SHIFT) ); + OUT_RING_TABLE( (int __user*)cmdbuf->buf, 8 ); + ADVANCE_RING(); + + cmdbuf->buf += 8*4; + cmdbuf->bufsz -= 8*4; + + return 0; +} + +static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + u32 header) +{ + int count, i,k; + #define MAX_ARRAY_PACKET 64 + u32 payload[MAX_ARRAY_PACKET]; + u32 narrays; + RING_LOCALS; + + count=(header>>16) & 0x3fff; + + if((count+1)>MAX_ARRAY_PACKET){ + DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n", count); + return DRM_ERR(EINVAL); + } + memset(payload, 0, MAX_ARRAY_PACKET*4); + memcpy(payload, cmdbuf->buf+4, (count+1)*4); + + /* carefully check packet contents */ + + narrays=payload[0]; + k=0; + i=1; + while((k<narrays) && (i<(count+1))){ + i++; /* skip attribute field */ + if(r300_check_offset(dev_priv, payload[i])){ + DRM_ERROR("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", k, i); + return DRM_ERR(EINVAL); + } + k++; + i++; + if(k==narrays)break; + /* have one more to process, they come in pairs */ + if(r300_check_offset(dev_priv, payload[i])){ + DRM_ERROR("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", k, i); + return DRM_ERR(EINVAL); + } + k++; + i++; + } + /* do the counts match what we expect ? */ + if((k!=narrays) || (i!=(count+1))){ + DRM_ERROR("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n", k, i, narrays, count+1); + return DRM_ERR(EINVAL); + } + + /* all clear, output packet */ + + BEGIN_RING(count+2); + OUT_RING(header); + OUT_RING_TABLE(payload, count+1); + ADVANCE_RING(); + + cmdbuf->buf += (count+2)*4; + cmdbuf->bufsz -= (count+2)*4; + + return 0; +} + +static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf) +{ + u32 header; + int count; + RING_LOCALS; + + if (4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + /* Fixme !! This simply emits a packet without much checking. + We need to be smarter. */ + + /* obtain first word - actual packet3 header */ + header = *(u32 __user*)cmdbuf->buf; + + /* Is it packet 3 ? */ + if( (header>>30)!=0x3 ) { + DRM_ERROR("Not a packet3 header (0x%08x)\n", header); + return DRM_ERR(EINVAL); + } + + count=(header>>16) & 0x3fff; + + /* Check again now that we know how much data to expect */ + if ((count+2)*4 > cmdbuf->bufsz){ + DRM_ERROR("Expected packet3 of length %d but have only %d bytes left\n", + (count+2)*4, cmdbuf->bufsz); + return DRM_ERR(EINVAL); + } + + /* Is it a packet type we know about ? */ + switch(header & 0xff00){ + case RADEON_3D_LOAD_VBPNTR: /* load vertex array pointers */ + return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, header); + + case RADEON_CP_3D_DRAW_IMMD_2: /* triggers drawing using in-packet vertex data */ + case RADEON_CP_3D_DRAW_VBUF_2: /* triggers drawing of vertex buffers setup elsewhere */ + case RADEON_CP_3D_DRAW_INDX_2: /* triggers drawing using indices to vertex buffer */ + case RADEON_CP_INDX_BUFFER: /* DRAW_INDX_2 without INDX_BUFFER seems to lock up the gpu */ + case RADEON_WAIT_FOR_IDLE: + case RADEON_CP_NOP: + /* these packets are safe */ + break; + default: + DRM_ERROR("Unknown packet3 header (0x%08x)\n", header); + return DRM_ERR(EINVAL); + } + + + BEGIN_RING(count+2); + OUT_RING(header); + OUT_RING_TABLE( (int __user*)(cmdbuf->buf+4), count+1); + ADVANCE_RING(); + + cmdbuf->buf += (count+2)*4; + cmdbuf->bufsz -= (count+2)*4; + + return 0; +} + + +/** + * Emit a rendering packet3 from userspace. + * Called by r300_do_cp_cmdbuf. + */ +static __inline__ int r300_emit_packet3(drm_radeon_private_t* dev_priv, + drm_radeon_cmd_buffer_t* cmdbuf, + drm_r300_cmd_header_t header) +{ + int n; + int ret; + char __user* orig_buf = cmdbuf->buf; + int orig_bufsz = cmdbuf->bufsz; + + /* This is a do-while-loop so that we run the interior at least once, + * even if cmdbuf->nbox is 0. Compare r300_emit_cliprects for rationale. + */ + n = 0; + do { + if (cmdbuf->nbox > R300_SIMULTANEOUS_CLIPRECTS) { + ret = r300_emit_cliprects(dev_priv, cmdbuf, n); + if (ret) + return ret; + + cmdbuf->buf = orig_buf; + cmdbuf->bufsz = orig_bufsz; + } + + switch(header.packet3.packet) { + case R300_CMD_PACKET3_CLEAR: + DRM_DEBUG("R300_CMD_PACKET3_CLEAR\n"); + ret = r300_emit_clear(dev_priv, cmdbuf); + if (ret) { + DRM_ERROR("r300_emit_clear failed\n"); + return ret; + } + break; + + case R300_CMD_PACKET3_RAW: + DRM_DEBUG("R300_CMD_PACKET3_RAW\n"); + ret = r300_emit_raw_packet3(dev_priv, cmdbuf); + if (ret) { + DRM_ERROR("r300_emit_raw_packet3 failed\n"); + return ret; + } + break; + + default: + DRM_ERROR("bad packet3 type %i at %p\n", + header.packet3.packet, + cmdbuf->buf - sizeof(header)); + return DRM_ERR(EINVAL); + } + + n += R300_SIMULTANEOUS_CLIPRECTS; + } while(n < cmdbuf->nbox); + + return 0; +} + +/* Some of the R300 chips seem to be extremely touchy about the two registers + * that are configured in r300_pacify. + * Among the worst offenders seems to be the R300 ND (0x4E44): When userspace + * sends a command buffer that contains only state setting commands and a + * vertex program/parameter upload sequence, this will eventually lead to a + * lockup, unless the sequence is bracketed by calls to r300_pacify. + * So we should take great care to *always* call r300_pacify before + * *anything* 3D related, and again afterwards. This is what the + * call bracket in r300_do_cp_cmdbuf is for. + */ + +/** + * Emit the sequence to pacify R300. + */ +static __inline__ void r300_pacify(drm_radeon_private_t* dev_priv) +{ + RING_LOCALS; + + BEGIN_RING(6); + OUT_RING( CP_PACKET0( R300_RB3D_DSTCACHE_CTLSTAT, 0 ) ); + OUT_RING( 0xa ); + OUT_RING( CP_PACKET0( 0x4f18, 0 ) ); + OUT_RING( 0x3 ); + OUT_RING( CP_PACKET3( RADEON_CP_NOP, 0 ) ); + OUT_RING( 0x0 ); + ADVANCE_RING(); +} + + +/** + * Called by r300_do_cp_cmdbuf to update the internal buffer age and state. + * The actual age emit is done by r300_do_cp_cmdbuf, which is why you must + * be careful about how this function is called. + */ +static void r300_discard_buffer(drm_device_t * dev, drm_buf_t * buf) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_buf_priv_t *buf_priv = buf->dev_private; + + buf_priv->age = dev_priv->sarea_priv->last_dispatch+1; + buf->pending = 1; + buf->used = 0; +} + + +/** + * Parses and validates a user-supplied command buffer and emits appropriate + * commands on the DMA ring buffer. + * Called by the ioctl handler function radeon_cp_cmdbuf. + */ +int r300_do_cp_cmdbuf(drm_device_t* dev, + DRMFILE filp, + drm_file_t* filp_priv, + drm_radeon_cmd_buffer_t* cmdbuf) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf = NULL; + int emit_dispatch_age = 0; + int ret = 0; + + DRM_DEBUG("\n"); + + /* See the comment above r300_emit_begin3d for why this call must be here, + * and what the cleanup gotos are for. */ + r300_pacify(dev_priv); + + if (cmdbuf->nbox <= R300_SIMULTANEOUS_CLIPRECTS) { + ret = r300_emit_cliprects(dev_priv, cmdbuf, 0); + if (ret) + goto cleanup; + } + + while(cmdbuf->bufsz >= sizeof(drm_r300_cmd_header_t)) { + int idx; + drm_r300_cmd_header_t header; + + header.u = *(unsigned int *)cmdbuf->buf; + + cmdbuf->buf += sizeof(header); + cmdbuf->bufsz -= sizeof(header); + + switch(header.header.cmd_type) { + case R300_CMD_PACKET0: + DRM_DEBUG("R300_CMD_PACKET0\n"); + ret = r300_emit_packet0(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_emit_packet0 failed\n"); + goto cleanup; + } + break; + + case R300_CMD_VPU: + DRM_DEBUG("R300_CMD_VPU\n"); + ret = r300_emit_vpu(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_emit_vpu failed\n"); + goto cleanup; + } + break; + + case R300_CMD_PACKET3: + DRM_DEBUG("R300_CMD_PACKET3\n"); + ret = r300_emit_packet3(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_emit_packet3 failed\n"); + goto cleanup; + } + break; + + case R300_CMD_END3D: + DRM_DEBUG("R300_CMD_END3D\n"); + /* TODO: + Ideally userspace driver should not need to issue this call, + i.e. the drm driver should issue it automatically and prevent + lockups. + + In practice, we do not understand why this call is needed and what + it does (except for some vague guesses that it has to do with cache + coherence) and so the user space driver does it. + + Once we are sure which uses prevent lockups the code could be moved + into the kernel and the userspace driver will not + need to use this command. + + Note that issuing this command does not hurt anything + except, possibly, performance */ + r300_pacify(dev_priv); + break; + + case R300_CMD_CP_DELAY: + /* simple enough, we can do it here */ + DRM_DEBUG("R300_CMD_CP_DELAY\n"); + { + int i; + RING_LOCALS; + + BEGIN_RING(header.delay.count); + for(i=0;i<header.delay.count;i++) + OUT_RING(RADEON_CP_PACKET2); + ADVANCE_RING(); + } + break; + + case R300_CMD_DMA_DISCARD: + DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n"); + idx = header.dma.buf_idx; + if (idx < 0 || idx >= dma->buf_count) { + DRM_ERROR("buffer index %d (of %d max)\n", + idx, dma->buf_count - 1); + ret = DRM_ERR(EINVAL); + goto cleanup; + } + + buf = dma->buflist[idx]; + if (buf->filp != filp || buf->pending) { + DRM_ERROR("bad buffer %p %p %d\n", + buf->filp, filp, buf->pending); + ret = DRM_ERR(EINVAL); + goto cleanup; + } + + emit_dispatch_age = 1; + r300_discard_buffer(dev, buf); + break; + + case R300_CMD_WAIT: + /* simple enough, we can do it here */ + DRM_DEBUG("R300_CMD_WAIT\n"); + if(header.wait.flags==0)break; /* nothing to do */ + + { + RING_LOCALS; + + BEGIN_RING(2); + OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); + OUT_RING( (header.wait.flags & 0xf)<<14 ); + ADVANCE_RING(); + } + break; + + default: + DRM_ERROR("bad cmd_type %i at %p\n", + header.header.cmd_type, + cmdbuf->buf - sizeof(header)); + ret = DRM_ERR(EINVAL); + goto cleanup; + } + } + + DRM_DEBUG("END\n"); + +cleanup: + r300_pacify(dev_priv); + + /* We emit the vertex buffer age here, outside the pacifier "brackets" + * for two reasons: + * (1) This may coalesce multiple age emissions into a single one and + * (2) more importantly, some chips lock up hard when scratch registers + * are written inside the pacifier bracket. + */ + if (emit_dispatch_age) { + RING_LOCALS; + + dev_priv->sarea_priv->last_dispatch++; + + /* Emit the vertex buffer age */ + BEGIN_RING(2); + RADEON_DISPATCH_AGE(dev_priv->sarea_priv->last_dispatch); + ADVANCE_RING(); + } + + COMMIT_RING(); + + return ret; +} + diff --git a/shared-core/r300_reg.h b/shared-core/r300_reg.h new file mode 100644 index 00000000..c3e7ca3d --- /dev/null +++ b/shared-core/r300_reg.h @@ -0,0 +1,1412 @@ +/************************************************************************** + +Copyright (C) 2004-2005 Nicolai Haehnle et al. + +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 +on the rights to use, copy, modify, merge, publish, distribute, sub +license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL +THE AUTHOR(S) AND/OR THEIR 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. + +**************************************************************************/ + +#ifndef _R300_REG_H +#define _R300_REG_H + +#define R300_MC_INIT_MISC_LAT_TIMER 0x180 +# define R300_MC_MISC__MC_CPR_INIT_LAT_SHIFT 0 +# define R300_MC_MISC__MC_VF_INIT_LAT_SHIFT 4 +# define R300_MC_MISC__MC_DISP0R_INIT_LAT_SHIFT 8 +# define R300_MC_MISC__MC_DISP1R_INIT_LAT_SHIFT 12 +# define R300_MC_MISC__MC_FIXED_INIT_LAT_SHIFT 16 +# define R300_MC_MISC__MC_E2R_INIT_LAT_SHIFT 20 +# define R300_MC_MISC__MC_SAME_PAGE_PRIO_SHIFT 24 +# define R300_MC_MISC__MC_GLOBW_INIT_LAT_SHIFT 28 + + +#define R300_MC_INIT_GFX_LAT_TIMER 0x154 +# define R300_MC_MISC__MC_G3D0R_INIT_LAT_SHIFT 0 +# define R300_MC_MISC__MC_G3D1R_INIT_LAT_SHIFT 4 +# define R300_MC_MISC__MC_G3D2R_INIT_LAT_SHIFT 8 +# define R300_MC_MISC__MC_G3D3R_INIT_LAT_SHIFT 12 +# define R300_MC_MISC__MC_TX0R_INIT_LAT_SHIFT 16 +# define R300_MC_MISC__MC_TX1R_INIT_LAT_SHIFT 20 +# define R300_MC_MISC__MC_GLOBR_INIT_LAT_SHIFT 24 +# define R300_MC_MISC__MC_GLOBW_FULL_LAT_SHIFT 28 + +/* +This file contains registers and constants for the R300. They have been +found mostly by examining command buffers captured using glxtest, as well +as by extrapolating some known registers and constants from the R200. + +I am fairly certain that they are correct unless stated otherwise in comments. +*/ + +#define R300_SE_VPORT_XSCALE 0x1D98 +#define R300_SE_VPORT_XOFFSET 0x1D9C +#define R300_SE_VPORT_YSCALE 0x1DA0 +#define R300_SE_VPORT_YOFFSET 0x1DA4 +#define R300_SE_VPORT_ZSCALE 0x1DA8 +#define R300_SE_VPORT_ZOFFSET 0x1DAC + + +/* This register is written directly and also starts data section in many 3d CP_PACKET3's */ +#define R300_VAP_VF_CNTL 0x2084 + +# define R300_VAP_VF_CNTL__PRIM_TYPE__SHIFT 0 +# define R300_VAP_VF_CNTL__PRIM_NONE (0<<0) +# define R300_VAP_VF_CNTL__PRIM_POINTS (1<<0) +# define R300_VAP_VF_CNTL__PRIM_LINES (2<<0) +# define R300_VAP_VF_CNTL__PRIM_LINE_STRIP (3<<0) +# define R300_VAP_VF_CNTL__PRIM_TRIANGLES (4<<0) +# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN (5<<0) +# define R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP (6<<0) +# define R300_VAP_VF_CNTL__PRIM_LINE_LOOP (12<<0) +# define R300_VAP_VF_CNTL__PRIM_QUADS (13<<0) +# define R300_VAP_VF_CNTL__PRIM_QUAD_STRIP (14<<0) +# define R300_VAP_VF_CNTL__PRIM_POLYGON (15<<0) + +# define R300_VAP_VF_CNTL__PRIM_WALK__SHIFT 4 + /* State based - direct writes to registers trigger vertex generation */ +# define R300_VAP_VF_CNTL__PRIM_WALK_STATE_BASED (0<<4) +# define R300_VAP_VF_CNTL__PRIM_WALK_INDICES (1<<4) +# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST (2<<4) +# define R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED (3<<4) + + /* I don't think I saw these three used.. */ +# define R300_VAP_VF_CNTL__COLOR_ORDER__SHIFT 6 +# define R300_VAP_VF_CNTL__TCL_OUTPUT_CTL_ENA__SHIFT 9 +# define R300_VAP_VF_CNTL__PROG_STREAM_ENA__SHIFT 10 + + /* index size - when not set the indices are assumed to be 16 bit */ +# define R300_VAP_VF_CNTL__INDEX_SIZE_32bit (1<<11) + /* number of vertices */ +# define R300_VAP_VF_CNTL__NUM_VERTICES__SHIFT 16 + +/* BEGIN: Wild guesses */ +#define R300_VAP_OUTPUT_VTX_FMT_0 0x2090 +# define R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT (1<<0) +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT (1<<1) +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT (1<<2) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT (1<<3) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT (1<<4) /* GUESS */ +# define R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT (1<<16) /* GUESS */ + +#define R300_VAP_OUTPUT_VTX_FMT_1 0x2094 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_0_COMP_CNT_SHIFT 0 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_1_COMP_CNT_SHIFT 3 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_2_COMP_CNT_SHIFT 6 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_3_COMP_CNT_SHIFT 9 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_4_COMP_CNT_SHIFT 12 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_5_COMP_CNT_SHIFT 15 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_6_COMP_CNT_SHIFT 18 +# define R300_VAP_OUTPUT_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21 +/* END */ + +#define R300_SE_VTE_CNTL 0x20b0 +# define R300_VPORT_X_SCALE_ENA 0x00000001 +# define R300_VPORT_X_OFFSET_ENA 0x00000002 +# define R300_VPORT_Y_SCALE_ENA 0x00000004 +# define R300_VPORT_Y_OFFSET_ENA 0x00000008 +# define R300_VPORT_Z_SCALE_ENA 0x00000010 +# define R300_VPORT_Z_OFFSET_ENA 0x00000020 +# define R300_VTX_XY_FMT 0x00000100 +# define R300_VTX_Z_FMT 0x00000200 +# define R300_VTX_W0_FMT 0x00000400 +# define R300_VTX_W0_NORMALIZE 0x00000800 +# define R300_VTX_ST_DENORMALIZED 0x00001000 + +/* BEGIN: Vertex data assembly - lots of uncertainties */ +/* gap */ +/* Where do we get our vertex data? +// +// Vertex data either comes either from immediate mode registers or from +// vertex arrays. +// There appears to be no mixed mode (though we can force the pitch of +// vertex arrays to 0, effectively reusing the same element over and over +// again). +// +// Immediate mode is controlled by the INPUT_CNTL registers. I am not sure +// if these registers influence vertex array processing. +// +// Vertex arrays are controlled via the 3D_LOAD_VBPNTR packet3. +// +// In both cases, vertex attributes are then passed through INPUT_ROUTE. + +// Beginning with INPUT_ROUTE_0_0 is a list of WORDs that route vertex data +// into the vertex processor's input registers. +// The first word routes the first input, the second word the second, etc. +// The corresponding input is routed into the register with the given index. +// The list is ended by a word with INPUT_ROUTE_END set. +// +// Always set COMPONENTS_4 in immediate mode. */ + +#define R300_VAP_INPUT_ROUTE_0_0 0x2150 +# define R300_INPUT_ROUTE_COMPONENTS_1 (0 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_2 (1 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_3 (2 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_4 (3 << 0) +# define R300_INPUT_ROUTE_COMPONENTS_RGBA (4 << 0) /* GUESS */ +# define R300_VAP_INPUT_ROUTE_IDX_SHIFT 8 +# define R300_VAP_INPUT_ROUTE_IDX_MASK (31 << 8) /* GUESS */ +# define R300_VAP_INPUT_ROUTE_END (1 << 13) +# define R300_INPUT_ROUTE_IMMEDIATE_MODE (0 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_FLOAT (1 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_UNSIGNED_BYTE (2 << 14) /* GUESS */ +# define R300_INPUT_ROUTE_FLOAT_COLOR (3 << 14) /* GUESS */ +#define R300_VAP_INPUT_ROUTE_0_1 0x2154 +#define R300_VAP_INPUT_ROUTE_0_2 0x2158 +#define R300_VAP_INPUT_ROUTE_0_3 0x215C +#define R300_VAP_INPUT_ROUTE_0_4 0x2160 +#define R300_VAP_INPUT_ROUTE_0_5 0x2164 +#define R300_VAP_INPUT_ROUTE_0_6 0x2168 +#define R300_VAP_INPUT_ROUTE_0_7 0x216C + +/* gap */ +/* Notes: +// - always set up to produce at least two attributes: +// if vertex program uses only position, fglrx will set normal, too +// - INPUT_CNTL_0_COLOR and INPUT_CNTL_COLOR bits are always equal */ +#define R300_VAP_INPUT_CNTL_0 0x2180 +# define R300_INPUT_CNTL_0_COLOR 0x00000001 +#define R300_VAP_INPUT_CNTL_1 0x2184 +# define R300_INPUT_CNTL_POS 0x00000001 +# define R300_INPUT_CNTL_NORMAL 0x00000002 +# define R300_INPUT_CNTL_COLOR 0x00000004 +# define R300_INPUT_CNTL_TC0 0x00000400 +# define R300_INPUT_CNTL_TC1 0x00000800 +# define R300_INPUT_CNTL_TC2 0x00001000 /* GUESS */ +# define R300_INPUT_CNTL_TC3 0x00002000 /* GUESS */ +# define R300_INPUT_CNTL_TC4 0x00004000 /* GUESS */ +# define R300_INPUT_CNTL_TC5 0x00008000 /* GUESS */ +# define R300_INPUT_CNTL_TC6 0x00010000 /* GUESS */ +# define R300_INPUT_CNTL_TC7 0x00020000 /* GUESS */ + +/* gap */ +/* Words parallel to INPUT_ROUTE_0; All words that are active in INPUT_ROUTE_0 +// are set to a swizzling bit pattern, other words are 0. +// +// In immediate mode, the pattern is always set to xyzw. In vertex array +// mode, the swizzling pattern is e.g. used to set zw components in texture +// coordinates with only tweo components. */ +#define R300_VAP_INPUT_ROUTE_1_0 0x21E0 +# define R300_INPUT_ROUTE_SELECT_X 0 +# define R300_INPUT_ROUTE_SELECT_Y 1 +# define R300_INPUT_ROUTE_SELECT_Z 2 +# define R300_INPUT_ROUTE_SELECT_W 3 +# define R300_INPUT_ROUTE_SELECT_ZERO 4 +# define R300_INPUT_ROUTE_SELECT_ONE 5 +# define R300_INPUT_ROUTE_SELECT_MASK 7 +# define R300_INPUT_ROUTE_X_SHIFT 0 +# define R300_INPUT_ROUTE_Y_SHIFT 3 +# define R300_INPUT_ROUTE_Z_SHIFT 6 +# define R300_INPUT_ROUTE_W_SHIFT 9 +# define R300_INPUT_ROUTE_ENABLE (15 << 12) +#define R300_VAP_INPUT_ROUTE_1_1 0x21E4 +#define R300_VAP_INPUT_ROUTE_1_2 0x21E8 +#define R300_VAP_INPUT_ROUTE_1_3 0x21EC +#define R300_VAP_INPUT_ROUTE_1_4 0x21F0 +#define R300_VAP_INPUT_ROUTE_1_5 0x21F4 +#define R300_VAP_INPUT_ROUTE_1_6 0x21F8 +#define R300_VAP_INPUT_ROUTE_1_7 0x21FC + +/* END */ + +/* gap */ +/* BEGIN: Upload vertex program and data +// The programmable vertex shader unit has a memory bank of unknown size +// that can be written to in 16 byte units by writing the address into +// UPLOAD_ADDRESS, followed by data in UPLOAD_DATA (multiples of 4 DWORDs). +// +// Pointers into the memory bank are always in multiples of 16 bytes. +// +// The memory bank is divided into areas with fixed meaning. +// +// Starting at address UPLOAD_PROGRAM: Vertex program instructions. +// Native limits reported by drivers from ATI suggest size 256 (i.e. 4KB), +// whereas the difference between known addresses suggests size 512. +// +// Starting at address UPLOAD_PARAMETERS: Vertex program parameters. +// Native reported limits and the VPI layout suggest size 256, whereas +// difference between known addresses suggests size 512. +// +// At address UPLOAD_POINTSIZE is a vector (0, 0, ps, 0), where ps is the +// floating point pointsize. The exact purpose of this state is uncertain, +// as there is also the R300_RE_POINTSIZE register. +// +// Multiple vertex programs and parameter sets can be loaded at once, +// which could explain the size discrepancy. */ +#define R300_VAP_PVS_UPLOAD_ADDRESS 0x2200 +# define R300_PVS_UPLOAD_PROGRAM 0x00000000 +# define R300_PVS_UPLOAD_PARAMETERS 0x00000200 +# define R300_PVS_UPLOAD_POINTSIZE 0x00000406 +/* gap */ +#define R300_VAP_PVS_UPLOAD_DATA 0x2208 +/* END */ + +/* gap */ +/* I do not know the purpose of this register. However, I do know that +// it is set to 221C_CLEAR for clear operations and to 221C_NORMAL +// for normal rendering. */ +#define R300_VAP_UNKNOWN_221C 0x221C +# define R300_221C_NORMAL 0x00000000 +# define R300_221C_CLEAR 0x0001C000 + +/* gap */ +/* Sometimes, END_OF_PKT and 0x2284=0 are the only commands sent between +// rendering commands and overwriting vertex program parameters. +// Therefore, I suspect writing zero to 0x2284 synchronizes the engine and +// avoids bugs caused by still running shaders reading bad data from memory. */ +#define R300_VAP_PVS_WAITIDLE 0x2284 /* GUESS */ + +/* Absolutely no clue what this register is about. */ +#define R300_VAP_UNKNOWN_2288 0x2288 +# define R300_2288_R300 0x00750000 /* -- nh */ +# define R300_2288_RV350 0x0000FFFF /* -- Vladimir */ + +/* gap */ +/* Addresses are relative to the vertex program instruction area of the +// memory bank. PROGRAM_END points to the last instruction of the active +// program +// +// The meaning of the two UNKNOWN fields is obviously not known. However, +// experiments so far have shown that both *must* point to an instruction +// inside the vertex program, otherwise the GPU locks up. +// fglrx usually sets CNTL_3_UNKNOWN to the end of the program and +// CNTL_1_UNKNOWN points to instruction where last write to position takes place. +// Most likely this is used to ignore rest of the program in cases where group of verts arent visible. +// For some reason this "section" is sometimes accepted other instruction that have +// no relationship with position calculations. +*/ +#define R300_VAP_PVS_CNTL_1 0x22D0 +# define R300_PVS_CNTL_1_PROGRAM_START_SHIFT 0 +# define R300_PVS_CNTL_1_POS_END_SHIFT 10 +# define R300_PVS_CNTL_1_PROGRAM_END_SHIFT 20 +/* Addresses are relative the the vertex program parameters area. */ +#define R300_VAP_PVS_CNTL_2 0x22D4 +# define R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0 +# define R300_PVS_CNTL_2_PARAM_COUNT_SHIFT 16 +#define R300_VAP_PVS_CNTL_3 0x22D8 +# define R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT 10 +# define R300_PVS_CNTL_3_PROGRAM_UNKNOWN2_SHIFT 0 + +/* The entire range from 0x2300 to 0x2AC inclusive seems to be used for +// immediate vertices */ +#define R300_VAP_VTX_COLOR_R 0x2464 +#define R300_VAP_VTX_COLOR_G 0x2468 +#define R300_VAP_VTX_COLOR_B 0x246C +#define R300_VAP_VTX_POS_0_X_1 0x2490 /* used for glVertex2*() */ +#define R300_VAP_VTX_POS_0_Y_1 0x2494 +#define R300_VAP_VTX_COLOR_PKD 0x249C /* RGBA */ +#define R300_VAP_VTX_POS_0_X_2 0x24A0 /* used for glVertex3*() */ +#define R300_VAP_VTX_POS_0_Y_2 0x24A4 +#define R300_VAP_VTX_POS_0_Z_2 0x24A8 +#define R300_VAP_VTX_END_OF_PKT 0x24AC /* write 0 to indicate end of packet? */ + +/* gap */ + +/* These are values from r300_reg/r300_reg.h - they are known to be correct + and are here so we can use one register file instead of several + - Vladimir */ +#define R300_GB_VAP_RASTER_VTX_FMT_0 0x4000 +# define R300_GB_VAP_RASTER_VTX_FMT_0__POS_PRESENT (1<<0) +# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_0_PRESENT (1<<1) +# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_1_PRESENT (1<<2) +# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_2_PRESENT (1<<3) +# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_3_PRESENT (1<<4) +# define R300_GB_VAP_RASTER_VTX_FMT_0__COLOR_SPACE (0xf<<5) +# define R300_GB_VAP_RASTER_VTX_FMT_0__PT_SIZE_PRESENT (0x1<<16) + +#define R300_GB_VAP_RASTER_VTX_FMT_1 0x4004 + /* each of the following is 3 bits wide, specifies number + of components */ +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_0_COMP_CNT_SHIFT 0 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_1_COMP_CNT_SHIFT 3 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_2_COMP_CNT_SHIFT 6 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_3_COMP_CNT_SHIFT 9 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_4_COMP_CNT_SHIFT 12 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_5_COMP_CNT_SHIFT 15 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_6_COMP_CNT_SHIFT 18 +# define R300_GB_VAP_RASTER_VTX_FMT_1__TEX_7_COMP_CNT_SHIFT 21 + +/* UNK30 seems to enables point to quad transformation on textures + (or something closely related to that). + This bit is rather fatal at the time being due to lackings at pixel shader side */ +#define R300_GB_ENABLE 0x4008 +# define R300_GB_POINT_STUFF_ENABLE (1<<0) +# define R300_GB_LINE_STUFF_ENABLE (1<<1) +# define R300_GB_TRIANGLE_STUFF_ENABLE (1<<2) +# define R300_GB_STENCIL_AUTO_ENABLE (1<<4) +# define R300_GB_UNK30 (1<<30) + /* each of the following is 2 bits wide */ +#define R300_GB_TEX_REPLICATE 0 +#define R300_GB_TEX_ST 1 +#define R300_GB_TEX_STR 2 +# define R300_GB_TEX0_SOURCE_SHIFT 16 +# define R300_GB_TEX1_SOURCE_SHIFT 18 +# define R300_GB_TEX2_SOURCE_SHIFT 20 +# define R300_GB_TEX3_SOURCE_SHIFT 22 +# define R300_GB_TEX4_SOURCE_SHIFT 24 +# define R300_GB_TEX5_SOURCE_SHIFT 26 +# define R300_GB_TEX6_SOURCE_SHIFT 28 +# define R300_GB_TEX7_SOURCE_SHIFT 30 + +/* MSPOS - positions for multisample antialiasing (?) */ +#define R300_GB_MSPOS0 0x4010 + /* shifts - each of the fields is 4 bits */ +# define R300_GB_MSPOS0__MS_X0_SHIFT 0 +# define R300_GB_MSPOS0__MS_Y0_SHIFT 4 +# define R300_GB_MSPOS0__MS_X1_SHIFT 8 +# define R300_GB_MSPOS0__MS_Y1_SHIFT 12 +# define R300_GB_MSPOS0__MS_X2_SHIFT 16 +# define R300_GB_MSPOS0__MS_Y2_SHIFT 20 +# define R300_GB_MSPOS0__MSBD0_Y 24 +# define R300_GB_MSPOS0__MSBD0_X 28 + +#define R300_GB_MSPOS1 0x4014 +# define R300_GB_MSPOS1__MS_X3_SHIFT 0 +# define R300_GB_MSPOS1__MS_Y3_SHIFT 4 +# define R300_GB_MSPOS1__MS_X4_SHIFT 8 +# define R300_GB_MSPOS1__MS_Y4_SHIFT 12 +# define R300_GB_MSPOS1__MS_X5_SHIFT 16 +# define R300_GB_MSPOS1__MS_Y5_SHIFT 20 +# define R300_GB_MSPOS1__MSBD1 24 + + +#define R300_GB_TILE_CONFIG 0x4018 +# define R300_GB_TILE_ENABLE (1<<0) +# define R300_GB_TILE_PIPE_COUNT_RV300 0 +# define R300_GB_TILE_PIPE_COUNT_R300 (3<<1) +# define R300_GB_TILE_PIPE_COUNT_R420 (7<<1) +# define R300_GB_TILE_SIZE_8 0 +# define R300_GB_TILE_SIZE_16 (1<<4) +# define R300_GB_TILE_SIZE_32 (2<<4) +# define R300_GB_SUPER_SIZE_1 (0<<6) +# define R300_GB_SUPER_SIZE_2 (1<<6) +# define R300_GB_SUPER_SIZE_4 (2<<6) +# define R300_GB_SUPER_SIZE_8 (3<<6) +# define R300_GB_SUPER_SIZE_16 (4<<6) +# define R300_GB_SUPER_SIZE_32 (5<<6) +# define R300_GB_SUPER_SIZE_64 (6<<6) +# define R300_GB_SUPER_SIZE_128 (7<<6) +# define R300_GB_SUPER_X_SHIFT 9 /* 3 bits wide */ +# define R300_GB_SUPER_Y_SHIFT 12 /* 3 bits wide */ +# define R300_GB_SUPER_TILE_A 0 +# define R300_GB_SUPER_TILE_B (1<<15) +# define R300_GB_SUBPIXEL_1_12 0 +# define R300_GB_SUBPIXEL_1_16 (1<<16) + +#define R300_GB_FIFO_SIZE 0x4024 + /* each of the following is 2 bits wide */ +#define R300_GB_FIFO_SIZE_32 0 +#define R300_GB_FIFO_SIZE_64 1 +#define R300_GB_FIFO_SIZE_128 2 +#define R300_GB_FIFO_SIZE_256 3 +# define R300_SC_IFIFO_SIZE_SHIFT 0 +# define R300_SC_TZFIFO_SIZE_SHIFT 2 +# define R300_SC_BFIFO_SIZE_SHIFT 4 + +# define R300_US_OFIFO_SIZE_SHIFT 12 +# define R300_US_WFIFO_SIZE_SHIFT 14 + /* the following use the same constants as above, but meaning is + is times 2 (i.e. instead of 32 words it means 64 */ +# define R300_RS_TFIFO_SIZE_SHIFT 6 +# define R300_RS_CFIFO_SIZE_SHIFT 8 +# define R300_US_RAM_SIZE_SHIFT 10 + /* watermarks, 3 bits wide */ +# define R300_RS_HIGHWATER_COL_SHIFT 16 +# define R300_RS_HIGHWATER_TEX_SHIFT 19 +# define R300_OFIFO_HIGHWATER_SHIFT 22 /* two bits only */ +# define R300_CUBE_FIFO_HIGHWATER_COL_SHIFT 24 + +#define R300_GB_SELECT 0x401C +# define R300_GB_FOG_SELECT_C0A 0 +# define R300_GB_FOG_SELECT_C1A 1 +# define R300_GB_FOG_SELECT_C2A 2 +# define R300_GB_FOG_SELECT_C3A 3 +# define R300_GB_FOG_SELECT_1_1_W 4 +# define R300_GB_FOG_SELECT_Z 5 +# define R300_GB_DEPTH_SELECT_Z 0 +# define R300_GB_DEPTH_SELECT_1_1_W (1<<3) +# define R300_GB_W_SELECT_1_W 0 +# define R300_GB_W_SELECT_1 (1<<4) + +#define R300_GB_AA_CONFIG 0x4020 +# define R300_AA_ENABLE 0x01 +# define R300_AA_SUBSAMPLES_2 0 +# define R300_AA_SUBSAMPLES_3 (1<<1) +# define R300_AA_SUBSAMPLES_4 (2<<1) +# define R300_AA_SUBSAMPLES_6 (3<<1) + +/* END */ + +/* gap */ +/* The upper enable bits are guessed, based on fglrx reported limits. */ +#define R300_TX_ENABLE 0x4104 +# define R300_TX_ENABLE_0 (1 << 0) +# define R300_TX_ENABLE_1 (1 << 1) +# define R300_TX_ENABLE_2 (1 << 2) +# define R300_TX_ENABLE_3 (1 << 3) +# define R300_TX_ENABLE_4 (1 << 4) +# define R300_TX_ENABLE_5 (1 << 5) +# define R300_TX_ENABLE_6 (1 << 6) +# define R300_TX_ENABLE_7 (1 << 7) +# define R300_TX_ENABLE_8 (1 << 8) +# define R300_TX_ENABLE_9 (1 << 9) +# define R300_TX_ENABLE_10 (1 << 10) +# define R300_TX_ENABLE_11 (1 << 11) +# define R300_TX_ENABLE_12 (1 << 12) +# define R300_TX_ENABLE_13 (1 << 13) +# define R300_TX_ENABLE_14 (1 << 14) +# define R300_TX_ENABLE_15 (1 << 15) + +/* The pointsize is given in multiples of 6. The pointsize can be +// enormous: Clear() renders a single point that fills the entire +// framebuffer. */ +#define R300_RE_POINTSIZE 0x421C +# define R300_POINTSIZE_Y_SHIFT 0 +# define R300_POINTSIZE_Y_MASK (0xFFFF << 0) /* GUESS */ +# define R300_POINTSIZE_X_SHIFT 16 +# define R300_POINTSIZE_X_MASK (0xFFFF << 16) /* GUESS */ +# define R300_POINTSIZE_MAX (R300_POINTSIZE_Y_MASK / 6) + +/* The line width is given in multiples of 6. + In default mode lines are classified as vertical lines. + HO: horizontal + VE: vertical or horizontal + HO & VE: no classification +*/ +#define R300_RE_LINE_CNT 0x4234 +# define R300_LINESIZE_SHIFT 0 +# define R300_LINESIZE_MASK (0xFFFF << 0) /* GUESS */ +# define R300_LINESIZE_MAX (R300_LINESIZE_MASK / 6) +# define R300_LINE_CNT_HO (1 << 16) +# define R300_LINE_CNT_VE (1 << 17) + +/* Some sort of scale or clamp value for texcoordless textures. */ +#define R300_RE_UNK4238 0x4238 + +#define R300_RE_SHADE_MODEL 0x4278 +# define R300_RE_SHADE_MODEL_SMOOTH 0x3aaaa +# define R300_RE_SHADE_MODEL_FLAT 0x39595 + +/* Dangerous */ +#define R300_RE_POLYGON_MODE 0x4288 +# define R300_PM_ENABLED (1 << 0) +# define R300_PM_FRONT_POINT (0 << 0) +# define R300_PM_BACK_POINT (0 << 0) +# define R300_PM_FRONT_LINE (1 << 4) +# define R300_PM_FRONT_FILL (1 << 5) +# define R300_PM_BACK_LINE (1 << 7) +# define R300_PM_BACK_FILL (1 << 8) + +/* Not sure why there are duplicate of factor and constant values. + My best guess so far is that there are seperate zbiases for test and write. + Ordering might be wrong. + Some of the tests indicate that fgl has a fallback implementation of zbias + via pixel shaders. */ +#define R300_RE_ZBIAS_T_FACTOR 0x42A4 +#define R300_RE_ZBIAS_T_CONSTANT 0x42A8 +#define R300_RE_ZBIAS_W_FACTOR 0x42AC +#define R300_RE_ZBIAS_W_CONSTANT 0x42B0 + +/* This register needs to be set to (1<<1) for RV350 to correctly + perform depth test (see --vb-triangles in r300_demo) + Don't know about other chips. - Vladimir + This is set to 3 when GL_POLYGON_OFFSET_FILL is on. + My guess is that there are two bits for each zbias primitive (FILL, LINE, POINT). + One to enable depth test and one for depth write. + Yet this doesnt explain why depth writes work ... + */ +#define R300_RE_OCCLUSION_CNTL 0x42B4 +# define R300_OCCLUSION_ON (1<<1) + +#define R300_RE_CULL_CNTL 0x42B8 +# define R300_CULL_FRONT (1 << 0) +# define R300_CULL_BACK (1 << 1) +# define R300_FRONT_FACE_CCW (0 << 2) +# define R300_FRONT_FACE_CW (1 << 2) + + +/* BEGIN: Rasterization / Interpolators - many guesses +// 0_UNKNOWN_18 has always been set except for clear operations. +// TC_CNT is the number of incoming texture coordinate sets (i.e. it depends +// on the vertex program, *not* the fragment program) */ +#define R300_RS_CNTL_0 0x4300 +# define R300_RS_CNTL_TC_CNT_SHIFT 2 +# define R300_RS_CNTL_TC_CNT_MASK (7 << 2) +# define R300_RS_CNTL_CI_CNT_SHIFT 7 /* number of color interpolators used */ +# define R300_RS_CNTL_0_UNKNOWN_18 (1 << 18) +/* Guess: RS_CNTL_1 holds the index of the highest used RS_ROUTE_n register. */ +#define R300_RS_CNTL_1 0x4304 + +/* gap */ +/* Only used for texture coordinates. +// Use the source field to route texture coordinate input from the vertex program +// to the desired interpolator. Note that the source field is relative to the +// outputs the vertex program *actually* writes. If a vertex program only writes +// texcoord[1], this will be source index 0. +// Set INTERP_USED on all interpolators that produce data used by the +// fragment program. INTERP_USED looks like a swizzling mask, but +// I haven't seen it used that way. +// +// Note: The _UNKNOWN constants are always set in their respective register. +// I don't know if this is necessary. */ +#define R300_RS_INTERP_0 0x4310 +#define R300_RS_INTERP_1 0x4314 +# define R300_RS_INTERP_1_UNKNOWN 0x40 +#define R300_RS_INTERP_2 0x4318 +# define R300_RS_INTERP_2_UNKNOWN 0x80 +#define R300_RS_INTERP_3 0x431C +# define R300_RS_INTERP_3_UNKNOWN 0xC0 +#define R300_RS_INTERP_4 0x4320 +#define R300_RS_INTERP_5 0x4324 +#define R300_RS_INTERP_6 0x4328 +#define R300_RS_INTERP_7 0x432C +# define R300_RS_INTERP_SRC_SHIFT 2 +# define R300_RS_INTERP_SRC_MASK (7 << 2) +# define R300_RS_INTERP_USED 0x00D10000 + +/* These DWORDs control how vertex data is routed into fragment program +// registers, after interpolators. */ +#define R300_RS_ROUTE_0 0x4330 +#define R300_RS_ROUTE_1 0x4334 +#define R300_RS_ROUTE_2 0x4338 +#define R300_RS_ROUTE_3 0x433C /* GUESS */ +#define R300_RS_ROUTE_4 0x4340 /* GUESS */ +#define R300_RS_ROUTE_5 0x4344 /* GUESS */ +#define R300_RS_ROUTE_6 0x4348 /* GUESS */ +#define R300_RS_ROUTE_7 0x434C /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_0 0 +# define R300_RS_ROUTE_SOURCE_INTERP_1 1 +# define R300_RS_ROUTE_SOURCE_INTERP_2 2 +# define R300_RS_ROUTE_SOURCE_INTERP_3 3 +# define R300_RS_ROUTE_SOURCE_INTERP_4 4 +# define R300_RS_ROUTE_SOURCE_INTERP_5 5 /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_6 6 /* GUESS */ +# define R300_RS_ROUTE_SOURCE_INTERP_7 7 /* GUESS */ +# define R300_RS_ROUTE_ENABLE (1 << 3) /* GUESS */ +# define R300_RS_ROUTE_DEST_SHIFT 6 +# define R300_RS_ROUTE_DEST_MASK (31 << 6) /* GUESS */ + +/* Special handling for color: When the fragment program uses color, +// the ROUTE_0_COLOR bit is set and ROUTE_0_COLOR_DEST contains the +// color register index. */ +# define R300_RS_ROUTE_0_COLOR (1 << 14) +# define R300_RS_ROUTE_0_COLOR_DEST_SHIFT 17 +# define R300_RS_ROUTE_0_COLOR_DEST_MASK (31 << 17) /* GUESS */ +/* As above, but for secondary color */ +# define R300_RS_ROUTE_1_COLOR1 (1 << 14) +# define R300_RS_ROUTE_1_COLOR1_DEST_SHIFT 17 +# define R300_RS_ROUTE_1_COLOR1_DEST_MASK (31 << 17) +# define R300_RS_ROUTE_1_UNKNOWN11 (1 << 11) +/* END */ + +/* BEGIN: Scissors and cliprects +// There are four clipping rectangles. Their corner coordinates are inclusive. +// Every pixel is assigned a number from 0 and 15 by setting bits 0-3 depending +// on whether the pixel is inside cliprects 0-3, respectively. For example, +// if a pixel is inside cliprects 0 and 1, but outside 2 and 3, it is assigned +// the number 3 (binary 0011). +// Iff the bit corresponding to the pixel's number in RE_CLIPRECT_CNTL is set, +// the pixel is rasterized. +// +// In addition to this, there is a scissors rectangle. Only pixels inside the +// scissors rectangle are drawn. (coordinates are inclusive) +// +// For some reason, the top-left corner of the framebuffer is at (1440, 1440) +// for the purpose of clipping and scissors. */ +#define R300_RE_CLIPRECT_TL_0 0x43B0 +#define R300_RE_CLIPRECT_BR_0 0x43B4 +#define R300_RE_CLIPRECT_TL_1 0x43B8 +#define R300_RE_CLIPRECT_BR_1 0x43BC +#define R300_RE_CLIPRECT_TL_2 0x43C0 +#define R300_RE_CLIPRECT_BR_2 0x43C4 +#define R300_RE_CLIPRECT_TL_3 0x43C8 +#define R300_RE_CLIPRECT_BR_3 0x43CC +# define R300_CLIPRECT_OFFSET 1440 +# define R300_CLIPRECT_MASK 0x1FFF +# define R300_CLIPRECT_X_SHIFT 0 +# define R300_CLIPRECT_X_MASK (0x1FFF << 0) +# define R300_CLIPRECT_Y_SHIFT 13 +# define R300_CLIPRECT_Y_MASK (0x1FFF << 13) +#define R300_RE_CLIPRECT_CNTL 0x43D0 +# define R300_CLIP_OUT (1 << 0) +# define R300_CLIP_0 (1 << 1) +# define R300_CLIP_1 (1 << 2) +# define R300_CLIP_10 (1 << 3) +# define R300_CLIP_2 (1 << 4) +# define R300_CLIP_20 (1 << 5) +# define R300_CLIP_21 (1 << 6) +# define R300_CLIP_210 (1 << 7) +# define R300_CLIP_3 (1 << 8) +# define R300_CLIP_30 (1 << 9) +# define R300_CLIP_31 (1 << 10) +# define R300_CLIP_310 (1 << 11) +# define R300_CLIP_32 (1 << 12) +# define R300_CLIP_320 (1 << 13) +# define R300_CLIP_321 (1 << 14) +# define R300_CLIP_3210 (1 << 15) + +/* gap */ +#define R300_RE_SCISSORS_TL 0x43E0 +#define R300_RE_SCISSORS_BR 0x43E4 +# define R300_SCISSORS_OFFSET 1440 +# define R300_SCISSORS_X_SHIFT 0 +# define R300_SCISSORS_X_MASK (0x1FFF << 0) +# define R300_SCISSORS_Y_SHIFT 13 +# define R300_SCISSORS_Y_MASK (0x1FFF << 13) +/* END */ + +/* BEGIN: Texture specification +// The texture specification dwords are grouped by meaning and not by texture unit. +// This means that e.g. the offset for texture image unit N is found in register +// TX_OFFSET_0 + (4*N) */ +#define R300_TX_FILTER_0 0x4400 +# define R300_TX_REPEAT 0 +# define R300_TX_MIRRORED 1 +# define R300_TX_CLAMP 4 +# define R300_TX_CLAMP_TO_EDGE 2 +# define R300_TX_CLAMP_TO_BORDER 6 +# define R300_TX_WRAP_S_SHIFT 0 +# define R300_TX_WRAP_S_MASK (7 << 0) +# define R300_TX_WRAP_T_SHIFT 3 +# define R300_TX_WRAP_T_MASK (7 << 3) +# define R300_TX_WRAP_Q_SHIFT 6 +# define R300_TX_WRAP_Q_MASK (7 << 6) +# define R300_TX_MAG_FILTER_NEAREST (1 << 9) +# define R300_TX_MAG_FILTER_LINEAR (2 << 9) +# define R300_TX_MAG_FILTER_MASK (3 << 9) +# define R300_TX_MIN_FILTER_NEAREST (1 << 11) +# define R300_TX_MIN_FILTER_LINEAR (2 << 11) +# define R300_TX_MIN_FILTER_NEAREST_MIP_NEAREST (5 << 11) +# define R300_TX_MIN_FILTER_NEAREST_MIP_LINEAR (9 << 11) +# define R300_TX_MIN_FILTER_LINEAR_MIP_NEAREST (6 << 11) +# define R300_TX_MIN_FILTER_LINEAR_MIP_LINEAR (10 << 11) + +/* NOTE: NEAREST doesnt seem to exist. + Im not seting MAG_FILTER_MASK and (3 << 11) on for all + anisotropy modes because that would void selected mag filter */ +# define R300_TX_MIN_FILTER_ANISO_NEAREST ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_LINEAR ((0 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST ((1 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR ((2 << 13) /*|R300_TX_MAG_FILTER_MASK|(3<<11)*/) +# define R300_TX_MIN_FILTER_MASK ( (15 << 11) | (3 << 13) ) +# define R300_TX_MAX_ANISO_1_TO_1 (0 << 21) +# define R300_TX_MAX_ANISO_2_TO_1 (2 << 21) +# define R300_TX_MAX_ANISO_4_TO_1 (4 << 21) +# define R300_TX_MAX_ANISO_8_TO_1 (6 << 21) +# define R300_TX_MAX_ANISO_16_TO_1 (8 << 21) +# define R300_TX_MAX_ANISO_MASK (14 << 21) + +#define R300_TX_UNK1_0 0x4440 +# define R300_LOD_BIAS_MASK 0x1fff + +#define R300_TX_SIZE_0 0x4480 +# define R300_TX_WIDTHMASK_SHIFT 0 +# define R300_TX_WIDTHMASK_MASK (2047 << 0) +# define R300_TX_HEIGHTMASK_SHIFT 11 +# define R300_TX_HEIGHTMASK_MASK (2047 << 11) +# define R300_TX_UNK23 (1 << 23) +# define R300_TX_SIZE_SHIFT 26 /* largest of width, height */ +# define R300_TX_SIZE_MASK (15 << 26) +#define R300_TX_FORMAT_0 0x44C0 + /* The interpretation of the format word by Wladimir van der Laan */ + /* The X, Y, Z and W refer to the layout of the components. + They are given meanings as R, G, B and Alpha by the swizzle + specification */ +# define R300_TX_FORMAT_X8 0x0 +# define R300_TX_FORMAT_X16 0x1 +# define R300_TX_FORMAT_Y4X4 0x2 +# define R300_TX_FORMAT_Y8X8 0x3 +# define R300_TX_FORMAT_Y16X16 0x4 +# define R300_TX_FORMAT_Z3Y3X2 0x5 +# define R300_TX_FORMAT_Z5Y6X5 0x6 +# define R300_TX_FORMAT_Z6Y5X5 0x7 +# define R300_TX_FORMAT_Z11Y11X10 0x8 +# define R300_TX_FORMAT_Z10Y11X11 0x9 +# define R300_TX_FORMAT_W4Z4Y4X4 0xA +# define R300_TX_FORMAT_W1Z5Y5X5 0xB +# define R300_TX_FORMAT_W8Z8Y8X8 0xC +# define R300_TX_FORMAT_W2Z10Y10X10 0xD +# define R300_TX_FORMAT_W16Z16Y16X16 0xE +# define R300_TX_FORMAT_DXT1 0xF +# define R300_TX_FORMAT_DXT3 0x10 +# define R300_TX_FORMAT_DXT5 0x11 +# define R300_TX_FORMAT_D3DMFT_CxV8U8 0x12 /* no swizzle */ +# define R300_TX_FORMAT_A8R8G8B8 0x13 /* no swizzle */ +# define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */ +# define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */ + /* 0x16 - some 16 bit green format.. ?? */ +# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ + + /* gap */ + /* Floating point formats */ + /* Note - hardware supports both 16 and 32 bit floating point */ +# define R300_TX_FORMAT_FL_I16 0x18 +# define R300_TX_FORMAT_FL_I16A16 0x19 +# define R300_TX_FORMAT_FL_R16G16B16A16 0x1A +# define R300_TX_FORMAT_FL_I32 0x1B +# define R300_TX_FORMAT_FL_I32A32 0x1C +# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D + /* alpha modes, convenience mostly */ + /* if you have alpha, pick constant appropriate to the + number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */ +# define R300_TX_FORMAT_ALPHA_1CH 0x000 +# define R300_TX_FORMAT_ALPHA_2CH 0x200 +# define R300_TX_FORMAT_ALPHA_4CH 0x600 +# define R300_TX_FORMAT_ALPHA_NONE 0xA00 + /* Swizzling */ + /* constants */ +# define R300_TX_FORMAT_X 0 +# define R300_TX_FORMAT_Y 1 +# define R300_TX_FORMAT_Z 2 +# define R300_TX_FORMAT_W 3 +# define R300_TX_FORMAT_ZERO 4 +# define R300_TX_FORMAT_ONE 5 +# define R300_TX_FORMAT_CUT_Z 6 /* 2.0*Z, everything above 1.0 is set to 0.0 */ +# define R300_TX_FORMAT_CUT_W 7 /* 2.0*W, everything above 1.0 is set to 0.0 */ + +# define R300_TX_FORMAT_B_SHIFT 18 +# define R300_TX_FORMAT_G_SHIFT 15 +# define R300_TX_FORMAT_R_SHIFT 12 +# define R300_TX_FORMAT_A_SHIFT 9 + /* Convenience macro to take care of layout and swizzling */ +# define R300_EASY_TX_FORMAT(B, G, R, A, FMT) (\ + ((R300_TX_FORMAT_##B)<<R300_TX_FORMAT_B_SHIFT) \ + | ((R300_TX_FORMAT_##G)<<R300_TX_FORMAT_G_SHIFT) \ + | ((R300_TX_FORMAT_##R)<<R300_TX_FORMAT_R_SHIFT) \ + | ((R300_TX_FORMAT_##A)<<R300_TX_FORMAT_A_SHIFT) \ + | (R300_TX_FORMAT_##FMT) \ + ) + /* These can be ORed with result of R300_EASY_TX_FORMAT() */ + /* We don't really know what they do. Take values from a constant color ? */ +# define R300_TX_FORMAT_CONST_X (1<<5) +# define R300_TX_FORMAT_CONST_Y (2<<5) +# define R300_TX_FORMAT_CONST_Z (4<<5) +# define R300_TX_FORMAT_CONST_W (8<<5) + +# define R300_TX_FORMAT_YUV_MODE 0x00800000 + +#define R300_TX_OFFSET_0 0x4540 +/* BEGIN: Guess from R200 */ +# define R300_TXO_ENDIAN_NO_SWAP (0 << 0) +# define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0) +# define R300_TXO_ENDIAN_WORD_SWAP (2 << 0) +# define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0) +# define R300_TXO_OFFSET_MASK 0xffffffe0 +# define R300_TXO_OFFSET_SHIFT 5 +/* END */ +#define R300_TX_UNK4_0 0x4580 +#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } + +/* END */ + +/* BEGIN: Fragment program instruction set +// Fragment programs are written directly into register space. +// There are separate instruction streams for texture instructions and ALU +// instructions. +// In order to synchronize these streams, the program is divided into up +// to 4 nodes. Each node begins with a number of TEX operations, followed +// by a number of ALU operations. +// The first node can have zero TEX ops, all subsequent nodes must have at least +// one TEX ops. +// All nodes must have at least one ALU op. +// +// The index of the last node is stored in PFS_CNTL_0: A value of 0 means +// 1 node, a value of 3 means 4 nodes. +// The total amount of instructions is defined in PFS_CNTL_2. The offsets are +// offsets into the respective instruction streams, while *_END points to the +// last instruction relative to this offset. */ +#define R300_PFS_CNTL_0 0x4600 +# define R300_PFS_CNTL_LAST_NODES_SHIFT 0 +# define R300_PFS_CNTL_LAST_NODES_MASK (3 << 0) +# define R300_PFS_CNTL_FIRST_NODE_HAS_TEX (1 << 3) +#define R300_PFS_CNTL_1 0x4604 +/* There is an unshifted value here which has so far always been equal to the +// index of the highest used temporary register. */ +#define R300_PFS_CNTL_2 0x4608 +# define R300_PFS_CNTL_ALU_OFFSET_SHIFT 0 +# define R300_PFS_CNTL_ALU_OFFSET_MASK (63 << 0) +# define R300_PFS_CNTL_ALU_END_SHIFT 6 +# define R300_PFS_CNTL_ALU_END_MASK (63 << 0) +# define R300_PFS_CNTL_TEX_OFFSET_SHIFT 12 +# define R300_PFS_CNTL_TEX_OFFSET_MASK (31 << 12) /* GUESS */ +# define R300_PFS_CNTL_TEX_END_SHIFT 18 +# define R300_PFS_CNTL_TEX_END_MASK (31 << 18) /* GUESS */ + +/* gap */ +/* Nodes are stored backwards. The last active node is always stored in +// PFS_NODE_3. +// Example: In a 2-node program, NODE_0 and NODE_1 are set to 0. The +// first node is stored in NODE_2, the second node is stored in NODE_3. +// +// Offsets are relative to the master offset from PFS_CNTL_2. +// LAST_NODE is set for the last node, and only for the last node. */ +#define R300_PFS_NODE_0 0x4610 +#define R300_PFS_NODE_1 0x4614 +#define R300_PFS_NODE_2 0x4618 +#define R300_PFS_NODE_3 0x461C +# define R300_PFS_NODE_ALU_OFFSET_SHIFT 0 +# define R300_PFS_NODE_ALU_OFFSET_MASK (63 << 0) +# define R300_PFS_NODE_ALU_END_SHIFT 6 +# define R300_PFS_NODE_ALU_END_MASK (63 << 6) +# define R300_PFS_NODE_TEX_OFFSET_SHIFT 12 +# define R300_PFS_NODE_TEX_OFFSET_MASK (31 << 12) +# define R300_PFS_NODE_TEX_END_SHIFT 17 +# define R300_PFS_NODE_TEX_END_MASK (31 << 17) +# define R300_PFS_NODE_LAST_NODE (1 << 22) + +/* TEX +// As far as I can tell, texture instructions cannot write into output +// registers directly. A subsequent ALU instruction is always necessary, +// even if it's just MAD o0, r0, 1, 0 */ +#define R300_PFS_TEXI_0 0x4620 +# define R300_FPITX_SRC_SHIFT 0 +# define R300_FPITX_SRC_MASK (31 << 0) +# define R300_FPITX_SRC_CONST (1 << 5) /* GUESS */ +# define R300_FPITX_DST_SHIFT 6 +# define R300_FPITX_DST_MASK (31 << 6) +# define R300_FPITX_IMAGE_SHIFT 11 +# define R300_FPITX_IMAGE_MASK (15 << 11) /* GUESS based on layout and native limits */ +/* Unsure if these are opcodes, or some kind of bitfield, but this is how + * they were set when I checked + */ +# define R300_FPITX_OPCODE_SHIFT 15 +# define R300_FPITX_OP_TEX 1 +# define R300_FPITX_OP_TXP 3 +# define R300_FPITX_OP_TXB 4 + +/* ALU +// The ALU instructions register blocks are enumerated according to the order +// in which fglrx. I assume there is space for 64 instructions, since +// each block has space for a maximum of 64 DWORDs, and this matches reported +// native limits. +// +// The basic functional block seems to be one MAD for each color and alpha, +// and an adder that adds all components after the MUL. +// - ADD, MUL, MAD etc.: use MAD with appropriate neutral operands +// - DP4: Use OUTC_DP4, OUTA_DP4 +// - DP3: Use OUTC_DP3, OUTA_DP4, appropriate alpha operands +// - DPH: Use OUTC_DP4, OUTA_DP4, appropriate alpha operands +// - CMP: If ARG2 < 0, return ARG1, else return ARG0 +// - FLR: use FRC+MAD +// - XPD: use MAD+MAD +// - SGE, SLT: use MAD+CMP +// - RSQ: use ABS modifier for argument +// - Use OUTC_REPL_ALPHA to write results of an alpha-only operation (e.g. RCP) +// into color register +// - apparently, there's no quick DST operation +// - fglrx set FPI2_UNKNOWN_31 on a "MAD fragment.color, tmp0, tmp1, tmp2" +// - fglrx set FPI2_UNKNOWN_31 on a "MAX r2, r1, c0" +// - fglrx once set FPI0_UNKNOWN_31 on a "FRC r1, r1" +// +// Operand selection +// First stage selects three sources from the available registers and +// constant parameters. This is defined in INSTR1 (color) and INSTR3 (alpha). +// fglrx sorts the three source fields: Registers before constants, +// lower indices before higher indices; I do not know whether this is necessary. +// fglrx fills unused sources with "read constant 0" +// According to specs, you cannot select more than two different constants. +// +// Second stage selects the operands from the sources. This is defined in +// INSTR0 (color) and INSTR2 (alpha). You can also select the special constants +// zero and one. +// Swizzling and negation happens in this stage, as well. +// +// Important: Color and alpha seem to be mostly separate, i.e. their sources +// selection appears to be fully independent (the register storage is probably +// physically split into a color and an alpha section). +// However (because of the apparent physical split), there is some interaction +// WRT swizzling. If, for example, you want to load an R component into an +// Alpha operand, this R component is taken from a *color* source, not from +// an alpha source. The corresponding register doesn't even have to appear in +// the alpha sources list. (I hope this alll makes sense to you) +// +// Destination selection +// The destination register index is in FPI1 (color) and FPI3 (alpha) together +// with enable bits. +// There are separate enable bits for writing into temporary registers +// (DSTC_REG_* /DSTA_REG) and and program output registers (DSTC_OUTPUT_* /DSTA_OUTPUT). +// You can write to both at once, or not write at all (the same index +// must be used for both). +// +// Note: There is a special form for LRP +// - Argument order is the same as in ARB_fragment_program. +// - Operation is MAD +// - ARG1 is set to ARGC_SRC1C_LRP/ARGC_SRC1A_LRP +// - Set FPI0/FPI2_SPECIAL_LRP +// Arbitrary LRP (including support for swizzling) requires vanilla MAD+MAD */ +#define R300_PFS_INSTR1_0 0x46C0 +# define R300_FPI1_SRC0C_SHIFT 0 +# define R300_FPI1_SRC0C_MASK (31 << 0) +# define R300_FPI1_SRC0C_CONST (1 << 5) +# define R300_FPI1_SRC1C_SHIFT 6 +# define R300_FPI1_SRC1C_MASK (31 << 6) +# define R300_FPI1_SRC1C_CONST (1 << 11) +# define R300_FPI1_SRC2C_SHIFT 12 +# define R300_FPI1_SRC2C_MASK (31 << 12) +# define R300_FPI1_SRC2C_CONST (1 << 17) +# define R300_FPI1_DSTC_SHIFT 18 +# define R300_FPI1_DSTC_MASK (31 << 18) +# define R300_FPI1_DSTC_REG_X (1 << 23) +# define R300_FPI1_DSTC_REG_Y (1 << 24) +# define R300_FPI1_DSTC_REG_Z (1 << 25) +# define R300_FPI1_DSTC_OUTPUT_X (1 << 26) +# define R300_FPI1_DSTC_OUTPUT_Y (1 << 27) +# define R300_FPI1_DSTC_OUTPUT_Z (1 << 28) + +#define R300_PFS_INSTR3_0 0x47C0 +# define R300_FPI3_SRC0A_SHIFT 0 +# define R300_FPI3_SRC0A_MASK (31 << 0) +# define R300_FPI3_SRC0A_CONST (1 << 5) +# define R300_FPI3_SRC1A_SHIFT 6 +# define R300_FPI3_SRC1A_MASK (31 << 6) +# define R300_FPI3_SRC1A_CONST (1 << 11) +# define R300_FPI3_SRC2A_SHIFT 12 +# define R300_FPI3_SRC2A_MASK (31 << 12) +# define R300_FPI3_SRC2A_CONST (1 << 17) +# define R300_FPI3_DSTA_SHIFT 18 +# define R300_FPI3_DSTA_MASK (31 << 18) +# define R300_FPI3_DSTA_REG (1 << 23) +# define R300_FPI3_DSTA_OUTPUT (1 << 24) + +#define R300_PFS_INSTR0_0 0x48C0 +# define R300_FPI0_ARGC_SRC0C_XYZ 0 +# define R300_FPI0_ARGC_SRC0C_XXX 1 +# define R300_FPI0_ARGC_SRC0C_YYY 2 +# define R300_FPI0_ARGC_SRC0C_ZZZ 3 +# define R300_FPI0_ARGC_SRC1C_XYZ 4 +# define R300_FPI0_ARGC_SRC1C_XXX 5 +# define R300_FPI0_ARGC_SRC1C_YYY 6 +# define R300_FPI0_ARGC_SRC1C_ZZZ 7 +# define R300_FPI0_ARGC_SRC2C_XYZ 8 +# define R300_FPI0_ARGC_SRC2C_XXX 9 +# define R300_FPI0_ARGC_SRC2C_YYY 10 +# define R300_FPI0_ARGC_SRC2C_ZZZ 11 +# define R300_FPI0_ARGC_SRC0A 12 +# define R300_FPI0_ARGC_SRC1A 13 +# define R300_FPI0_ARGC_SRC2A 14 +# define R300_FPI0_ARGC_SRC1C_LRP 15 +# define R300_FPI0_ARGC_ZERO 20 +# define R300_FPI0_ARGC_ONE 21 +# define R300_FPI0_ARGC_HALF 22 /* GUESS */ +# define R300_FPI0_ARGC_SRC0C_YZX 23 +# define R300_FPI0_ARGC_SRC1C_YZX 24 +# define R300_FPI0_ARGC_SRC2C_YZX 25 +# define R300_FPI0_ARGC_SRC0C_ZXY 26 +# define R300_FPI0_ARGC_SRC1C_ZXY 27 +# define R300_FPI0_ARGC_SRC2C_ZXY 28 +# define R300_FPI0_ARGC_SRC0CA_WZY 29 +# define R300_FPI0_ARGC_SRC1CA_WZY 30 +# define R300_FPI0_ARGC_SRC2CA_WZY 31 + +# define R300_FPI0_ARG0C_SHIFT 0 +# define R300_FPI0_ARG0C_MASK (31 << 0) +# define R300_FPI0_ARG0C_NEG (1 << 5) +# define R300_FPI0_ARG0C_ABS (1 << 6) +# define R300_FPI0_ARG1C_SHIFT 7 +# define R300_FPI0_ARG1C_MASK (31 << 7) +# define R300_FPI0_ARG1C_NEG (1 << 12) +# define R300_FPI0_ARG1C_ABS (1 << 13) +# define R300_FPI0_ARG2C_SHIFT 14 +# define R300_FPI0_ARG2C_MASK (31 << 14) +# define R300_FPI0_ARG2C_NEG (1 << 19) +# define R300_FPI0_ARG2C_ABS (1 << 20) +# define R300_FPI0_SPECIAL_LRP (1 << 21) +# define R300_FPI0_OUTC_MAD (0 << 23) +# define R300_FPI0_OUTC_DP3 (1 << 23) +# define R300_FPI0_OUTC_DP4 (2 << 23) +# define R300_FPI0_OUTC_MIN (4 << 23) +# define R300_FPI0_OUTC_MAX (5 << 23) +# define R300_FPI0_OUTC_CMP (8 << 23) +# define R300_FPI0_OUTC_FRC (9 << 23) +# define R300_FPI0_OUTC_REPL_ALPHA (10 << 23) +# define R300_FPI0_OUTC_SAT (1 << 30) +# define R300_FPI0_UNKNOWN_31 (1 << 31) + +#define R300_PFS_INSTR2_0 0x49C0 +# define R300_FPI2_ARGA_SRC0C_X 0 +# define R300_FPI2_ARGA_SRC0C_Y 1 +# define R300_FPI2_ARGA_SRC0C_Z 2 +# define R300_FPI2_ARGA_SRC1C_X 3 +# define R300_FPI2_ARGA_SRC1C_Y 4 +# define R300_FPI2_ARGA_SRC1C_Z 5 +# define R300_FPI2_ARGA_SRC2C_X 6 +# define R300_FPI2_ARGA_SRC2C_Y 7 +# define R300_FPI2_ARGA_SRC2C_Z 8 +# define R300_FPI2_ARGA_SRC0A 9 +# define R300_FPI2_ARGA_SRC1A 10 +# define R300_FPI2_ARGA_SRC2A 11 +# define R300_FPI2_ARGA_SRC1A_LRP 15 +# define R300_FPI2_ARGA_ZERO 16 +# define R300_FPI2_ARGA_ONE 17 +# define R300_FPI2_ARGA_HALF 18 /* GUESS */ + +# define R300_FPI2_ARG0A_SHIFT 0 +# define R300_FPI2_ARG0A_MASK (31 << 0) +# define R300_FPI2_ARG0A_NEG (1 << 5) +# define R300_FPI2_ARG0A_ABS (1 << 6) /* GUESS */ +# define R300_FPI2_ARG1A_SHIFT 7 +# define R300_FPI2_ARG1A_MASK (31 << 7) +# define R300_FPI2_ARG1A_NEG (1 << 12) +# define R300_FPI2_ARG1A_ABS (1 << 13) /* GUESS */ +# define R300_FPI2_ARG2A_SHIFT 14 +# define R300_FPI2_ARG2A_MASK (31 << 14) +# define R300_FPI2_ARG2A_NEG (1 << 19) +# define R300_FPI2_ARG2A_ABS (1 << 20) /* GUESS */ +# define R300_FPI2_SPECIAL_LRP (1 << 21) +# define R300_FPI2_OUTA_MAD (0 << 23) +# define R300_FPI2_OUTA_DP4 (1 << 23) +# define R300_FPI2_OUTA_MIN (2 << 23) +# define R300_FPI2_OUTA_MAX (3 << 23) +# define R300_FPI2_OUTA_CMP (6 << 23) +# define R300_FPI2_OUTA_FRC (7 << 23) +# define R300_FPI2_OUTA_EX2 (8 << 23) +# define R300_FPI2_OUTA_LG2 (9 << 23) +# define R300_FPI2_OUTA_RCP (10 << 23) +# define R300_FPI2_OUTA_RSQ (11 << 23) +# define R300_FPI2_OUTA_SAT (1 << 30) +# define R300_FPI2_UNKNOWN_31 (1 << 31) +/* END */ + +/* gap */ +#define R300_PP_ALPHA_TEST 0x4BD4 +# define R300_REF_ALPHA_MASK 0x000000ff +# define R300_ALPHA_TEST_FAIL (0 << 8) +# define R300_ALPHA_TEST_LESS (1 << 8) +# define R300_ALPHA_TEST_LEQUAL (3 << 8) +# define R300_ALPHA_TEST_EQUAL (2 << 8) +# define R300_ALPHA_TEST_GEQUAL (6 << 8) +# define R300_ALPHA_TEST_GREATER (4 << 8) +# define R300_ALPHA_TEST_NEQUAL (5 << 8) +# define R300_ALPHA_TEST_PASS (7 << 8) +# define R300_ALPHA_TEST_OP_MASK (7 << 8) +# define R300_ALPHA_TEST_ENABLE (1 << 11) + +/* gap */ +/* Fragment program parameters in 7.16 floating point */ +#define R300_PFS_PARAM_0_X 0x4C00 +#define R300_PFS_PARAM_0_Y 0x4C04 +#define R300_PFS_PARAM_0_Z 0x4C08 +#define R300_PFS_PARAM_0_W 0x4C0C +/* GUESS: PARAM_31 is last, based on native limits reported by fglrx */ +#define R300_PFS_PARAM_31_X 0x4DF0 +#define R300_PFS_PARAM_31_Y 0x4DF4 +#define R300_PFS_PARAM_31_Z 0x4DF8 +#define R300_PFS_PARAM_31_W 0x4DFC + +/* Notes: +// - AFAIK fglrx always sets BLEND_UNKNOWN when blending is used in the application +// - AFAIK fglrx always sets BLEND_NO_SEPARATE when CBLEND and ABLEND are set to the same +// function (both registers are always set up completely in any case) +// - Most blend flags are simply copied from R200 and not tested yet */ +#define R300_RB3D_CBLEND 0x4E04 +#define R300_RB3D_ABLEND 0x4E08 + /* the following only appear in CBLEND */ +# define R300_BLEND_ENABLE (1 << 0) +# define R300_BLEND_UNKNOWN (3 << 1) +# define R300_BLEND_NO_SEPARATE (1 << 3) + /* the following are shared between CBLEND and ABLEND */ +# define R300_FCN_MASK (3 << 12) +# define R300_COMB_FCN_ADD_CLAMP (0 << 12) +# define R300_COMB_FCN_ADD_NOCLAMP (1 << 12) +# define R300_COMB_FCN_SUB_CLAMP (2 << 12) +# define R300_COMB_FCN_SUB_NOCLAMP (3 << 12) +# define R300_SRC_BLEND_GL_ZERO (32 << 16) +# define R300_SRC_BLEND_GL_ONE (33 << 16) +# define R300_SRC_BLEND_GL_SRC_COLOR (34 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 16) +# define R300_SRC_BLEND_GL_DST_COLOR (36 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 16) +# define R300_SRC_BLEND_GL_SRC_ALPHA (38 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 16) +# define R300_SRC_BLEND_GL_DST_ALPHA (40 << 16) +# define R300_SRC_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 16) +# define R300_SRC_BLEND_GL_SRC_ALPHA_SATURATE (42 << 16) +# define R300_SRC_BLEND_MASK (63 << 16) +# define R300_DST_BLEND_GL_ZERO (32 << 24) +# define R300_DST_BLEND_GL_ONE (33 << 24) +# define R300_DST_BLEND_GL_SRC_COLOR (34 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_SRC_COLOR (35 << 24) +# define R300_DST_BLEND_GL_DST_COLOR (36 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_DST_COLOR (37 << 24) +# define R300_DST_BLEND_GL_SRC_ALPHA (38 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_SRC_ALPHA (39 << 24) +# define R300_DST_BLEND_GL_DST_ALPHA (40 << 24) +# define R300_DST_BLEND_GL_ONE_MINUS_DST_ALPHA (41 << 24) +# define R300_DST_BLEND_MASK (63 << 24) +#define R300_RB3D_COLORMASK 0x4E0C +# define R300_COLORMASK0_B (1<<0) +# define R300_COLORMASK0_G (1<<1) +# define R300_COLORMASK0_R (1<<2) +# define R300_COLORMASK0_A (1<<3) + +/* gap */ +#define R300_RB3D_COLOROFFSET0 0x4E28 +# define R300_COLOROFFSET_MASK 0xFFFFFFF0 /* GUESS */ +#define R300_RB3D_COLOROFFSET1 0x4E2C /* GUESS */ +#define R300_RB3D_COLOROFFSET2 0x4E30 /* GUESS */ +#define R300_RB3D_COLOROFFSET3 0x4E34 /* GUESS */ +/* gap */ +/* Bit 16: Larger tiles +// Bit 17: 4x2 tiles +// Bit 18: Extremely weird tile like, but some pixels duplicated? */ +#define R300_RB3D_COLORPITCH0 0x4E38 +# define R300_COLORPITCH_MASK 0x00001FF8 /* GUESS */ +# define R300_COLOR_TILE_ENABLE (1 << 16) /* GUESS */ +# define R300_COLOR_MICROTILE_ENABLE (1 << 17) /* GUESS */ +# define R300_COLOR_ENDIAN_NO_SWAP (0 << 18) /* GUESS */ +# define R300_COLOR_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */ +# define R300_COLOR_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */ +# define R300_COLOR_FORMAT_RGB565 (2 << 22) +# define R300_COLOR_FORMAT_ARGB8888 (3 << 22) +#define R300_RB3D_COLORPITCH1 0x4E3C /* GUESS */ +#define R300_RB3D_COLORPITCH2 0x4E40 /* GUESS */ +#define R300_RB3D_COLORPITCH3 0x4E44 /* GUESS */ + +/* gap */ +/* Guess by Vladimir. +// Set to 0A before 3D operations, set to 02 afterwards. */ +#define R300_RB3D_DSTCACHE_CTLSTAT 0x4E4C +# define R300_RB3D_DSTCACHE_02 0x00000002 +# define R300_RB3D_DSTCACHE_0A 0x0000000A + +/* gap */ +/* There seems to be no "write only" setting, so use Z-test = ALWAYS for this. */ +/* Bit (1<<8) is the "test" bit. so plain write is 6 - vd */ +#define R300_RB3D_ZSTENCIL_CNTL_0 0x4F00 +# define R300_RB3D_Z_DISABLED_1 0x00000010 /* GUESS */ +# define R300_RB3D_Z_DISABLED_2 0x00000014 /* GUESS */ +# define R300_RB3D_Z_TEST 0x00000012 +# define R300_RB3D_Z_TEST_AND_WRITE 0x00000016 +# define R300_RB3D_Z_WRITE_ONLY 0x00000006 + +# define R300_RB3D_Z_TEST 0x00000012 +# define R300_RB3D_Z_TEST_AND_WRITE 0x00000016 +# define R300_RB3D_Z_WRITE_ONLY 0x00000006 +# define R300_RB3D_STENCIL_ENABLE 0x00000001 + +#define R300_RB3D_ZSTENCIL_CNTL_1 0x4F04 + /* functions */ +# define R300_ZS_NEVER 0 +# define R300_ZS_LESS 1 +# define R300_ZS_LEQUAL 2 +# define R300_ZS_EQUAL 3 +# define R300_ZS_GEQUAL 4 +# define R300_ZS_GREATER 5 +# define R300_ZS_NOTEQUAL 6 +# define R300_ZS_ALWAYS 7 +# define R300_ZS_MASK 7 + /* operations */ +# define R300_ZS_KEEP 0 +# define R300_ZS_ZERO 1 +# define R300_ZS_REPLACE 2 +# define R300_ZS_INCR 3 +# define R300_ZS_DECR 4 +# define R300_ZS_INVERT 5 +# define R300_ZS_INCR_WRAP 6 +# define R300_ZS_DECR_WRAP 7 + + /* front and back refer to operations done for front + and back faces, i.e. separate stencil function support */ +# define R300_RB3D_ZS1_DEPTH_FUNC_SHIFT 0 +# define R300_RB3D_ZS1_FRONT_FUNC_SHIFT 3 +# define R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT 6 +# define R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT 9 +# define R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT 12 +# define R300_RB3D_ZS1_BACK_FUNC_SHIFT 15 +# define R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT 18 +# define R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT 21 +# define R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT 24 + + + +#define R300_RB3D_ZSTENCIL_CNTL_2 0x4F08 +# define R300_RB3D_ZS2_STENCIL_REF_SHIFT 0 +# define R300_RB3D_ZS2_STENCIL_MASK 0xFF +# define R300_RB3D_ZS2_STENCIL_MASK_SHIFT 8 +# define R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT 16 + +/* gap */ + +#define R300_RB3D_ZSTENCIL_FORMAT 0x4F10 +# define R300_DEPTH_FORMAT_16BIT_INT_Z (0 << 0) +# define R300_DEPTH_FORMAT_24BIT_INT_Z (2 << 0) + +/* gap */ +#define R300_RB3D_DEPTHOFFSET 0x4F20 +#define R300_RB3D_DEPTHPITCH 0x4F24 +# define R300_DEPTHPITCH_MASK 0x00001FF8 /* GUESS */ +# define R300_DEPTH_TILE_ENABLE (1 << 16) /* GUESS */ +# define R300_DEPTH_MICROTILE_ENABLE (1 << 17) /* GUESS */ +# define R300_DEPTH_ENDIAN_NO_SWAP (0 << 18) /* GUESS */ +# define R300_DEPTH_ENDIAN_WORD_SWAP (1 << 18) /* GUESS */ +# define R300_DEPTH_ENDIAN_DWORD_SWAP (2 << 18) /* GUESS */ + +/* BEGIN: Vertex program instruction set +// Every instruction is four dwords long: +// DWORD 0: output and opcode +// DWORD 1: first argument +// DWORD 2: second argument +// DWORD 3: third argument +// +// Notes: +// - ABS r, a is implemented as MAX r, a, -a +// - MOV is implemented as ADD to zero +// - XPD is implemented as MUL + MAD +// - FLR is implemented as FRC + ADD +// - apparently, fglrx tries to schedule instructions so that there is at least +// one instruction between the write to a temporary and the first read +// from said temporary; however, violations of this scheduling are allowed +// - register indices seem to be unrelated with OpenGL aliasing to conventional state +// - only one attribute and one parameter can be loaded at a time; however, the +// same attribute/parameter can be used for more than one argument +// - the second software argument for POW is the third hardware argument (no idea why) +// - MAD with only temporaries as input seems to use VPI_OUT_SELECT_MAD_2 +// +// There is some magic surrounding LIT: +// The single argument is replicated across all three inputs, but swizzled: +// First argument: xyzy +// Second argument: xyzx +// Third argument: xyzw +// Whenever the result is used later in the fragment program, fglrx forces x and w +// to be 1.0 in the input selection; I don't know whether this is strictly necessary */ +#define R300_VPI_OUT_OP_DOT (1 << 0) +#define R300_VPI_OUT_OP_MUL (2 << 0) +#define R300_VPI_OUT_OP_ADD (3 << 0) +#define R300_VPI_OUT_OP_MAD (4 << 0) +#define R300_VPI_OUT_OP_DST (5 << 0) +#define R300_VPI_OUT_OP_FRC (6 << 0) +#define R300_VPI_OUT_OP_MAX (7 << 0) +#define R300_VPI_OUT_OP_MIN (8 << 0) +#define R300_VPI_OUT_OP_SGE (9 << 0) +#define R300_VPI_OUT_OP_SLT (10 << 0) +#define R300_VPI_OUT_OP_UNK12 (12 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, vector(scalar, vector) */ +#define R300_VPI_OUT_OP_EXP (65 << 0) +#define R300_VPI_OUT_OP_LOG (66 << 0) +#define R300_VPI_OUT_OP_UNK67 (67 << 0) /* Used in fog computations, scalar(scalar) */ +#define R300_VPI_OUT_OP_LIT (68 << 0) +#define R300_VPI_OUT_OP_POW (69 << 0) +#define R300_VPI_OUT_OP_RCP (70 << 0) +#define R300_VPI_OUT_OP_RSQ (72 << 0) +#define R300_VPI_OUT_OP_UNK73 (73 << 0) /* Used in GL_POINT_DISTANCE_ATTENUATION_ARB, scalar(scalar) */ +#define R300_VPI_OUT_OP_EX2 (75 << 0) +#define R300_VPI_OUT_OP_LG2 (76 << 0) +#define R300_VPI_OUT_OP_MAD_2 (128 << 0) +#define R300_VPI_OUT_OP_UNK129 (129 << 0) /* all temps, vector(scalar, vector, vector) */ + +#define R300_VPI_OUT_REG_CLASS_TEMPORARY (0 << 8) +#define R300_VPI_OUT_REG_CLASS_RESULT (2 << 8) +#define R300_VPI_OUT_REG_CLASS_MASK (31 << 8) + +#define R300_VPI_OUT_REG_INDEX_SHIFT 13 +#define R300_VPI_OUT_REG_INDEX_MASK (31 << 13) /* GUESS based on fglrx native limits */ + +#define R300_VPI_OUT_WRITE_X (1 << 20) +#define R300_VPI_OUT_WRITE_Y (1 << 21) +#define R300_VPI_OUT_WRITE_Z (1 << 22) +#define R300_VPI_OUT_WRITE_W (1 << 23) + +#define R300_VPI_IN_REG_CLASS_TEMPORARY (0 << 0) +#define R300_VPI_IN_REG_CLASS_ATTRIBUTE (1 << 0) +#define R300_VPI_IN_REG_CLASS_PARAMETER (2 << 0) +#define R300_VPI_IN_REG_CLASS_NONE (9 << 0) +#define R300_VPI_IN_REG_CLASS_MASK (31 << 0) /* GUESS */ + +#define R300_VPI_IN_REG_INDEX_SHIFT 5 +#define R300_VPI_IN_REG_INDEX_MASK (255 << 5) /* GUESS based on fglrx native limits */ + +/* The R300 can select components from the input register arbitrarily. +// Use the following constants, shifted by the component shift you +// want to select */ +#define R300_VPI_IN_SELECT_X 0 +#define R300_VPI_IN_SELECT_Y 1 +#define R300_VPI_IN_SELECT_Z 2 +#define R300_VPI_IN_SELECT_W 3 +#define R300_VPI_IN_SELECT_ZERO 4 +#define R300_VPI_IN_SELECT_ONE 5 +#define R300_VPI_IN_SELECT_MASK 7 + +#define R300_VPI_IN_X_SHIFT 13 +#define R300_VPI_IN_Y_SHIFT 16 +#define R300_VPI_IN_Z_SHIFT 19 +#define R300_VPI_IN_W_SHIFT 22 + +#define R300_VPI_IN_NEG_X (1 << 25) +#define R300_VPI_IN_NEG_Y (1 << 26) +#define R300_VPI_IN_NEG_Z (1 << 27) +#define R300_VPI_IN_NEG_W (1 << 28) +/* END */ + +//BEGIN: Packet 3 commands + +// A primitive emission dword. +#define R300_PRIM_TYPE_NONE (0 << 0) +#define R300_PRIM_TYPE_POINT (1 << 0) +#define R300_PRIM_TYPE_LINE (2 << 0) +#define R300_PRIM_TYPE_LINE_STRIP (3 << 0) +#define R300_PRIM_TYPE_TRI_LIST (4 << 0) +#define R300_PRIM_TYPE_TRI_FAN (5 << 0) +#define R300_PRIM_TYPE_TRI_STRIP (6 << 0) +#define R300_PRIM_TYPE_TRI_TYPE2 (7 << 0) +#define R300_PRIM_TYPE_RECT_LIST (8 << 0) +#define R300_PRIM_TYPE_3VRT_POINT_LIST (9 << 0) +#define R300_PRIM_TYPE_3VRT_LINE_LIST (10 << 0) +#define R300_PRIM_TYPE_POINT_SPRITES (11 << 0) // GUESS (based on r200) +#define R300_PRIM_TYPE_LINE_LOOP (12 << 0) +#define R300_PRIM_TYPE_QUADS (13 << 0) +#define R300_PRIM_TYPE_QUAD_STRIP (14 << 0) +#define R300_PRIM_TYPE_POLYGON (15 << 0) +#define R300_PRIM_TYPE_MASK 0xF +#define R300_PRIM_WALK_IND (1 << 4) +#define R300_PRIM_WALK_LIST (2 << 4) +#define R300_PRIM_WALK_RING (3 << 4) +#define R300_PRIM_WALK_MASK (3 << 4) +#define R300_PRIM_COLOR_ORDER_BGRA (0 << 6) // GUESS (based on r200) +#define R300_PRIM_COLOR_ORDER_RGBA (1 << 6) // GUESS +#define R300_PRIM_NUM_VERTICES_SHIFT 16 + +// Draw a primitive from vertex data in arrays loaded via 3D_LOAD_VBPNTR. +// Two parameter dwords: +// 0. The first parameter appears to be always 0 +// 1. The second parameter is a standard primitive emission dword. +#define R300_PACKET3_3D_DRAW_VBUF 0x00002800 + +// Specify the full set of vertex arrays as (address, stride). +// The first parameter is the number of vertex arrays specified. +// The rest of the command is a variable length list of blocks, where +// each block is three dwords long and specifies two arrays. +// The first dword of a block is split into two words, the lower significant +// word refers to the first array, the more significant word to the second +// array in the block. +// The low byte of each word contains the size of an array entry in dwords, +// the high byte contains the stride of the array. +// The second dword of a block contains the pointer to the first array, +// the third dword of a block contains the pointer to the second array. +// Note that if the total number of arrays is odd, the third dword of +// the last block is omitted. +#define R300_PACKET3_3D_LOAD_VBPNTR 0x00002F00 + +#define R300_PACKET3_INDX_BUFFER 0x00003300 +# define R300_EB_UNK1_SHIFT 24 +# define R300_EB_UNK1 (0x80<<24) +# define R300_EB_UNK2 0x0810 +#define R300_PACKET3_3D_DRAW_INDX_2 0x00003600 + +//END + +#endif /* _R300_REG_H */ diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index 7da83960..35a26a5c 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -32,6 +32,7 @@ #include "drm.h" #include "radeon_drm.h" #include "radeon_drv.h" +#include "r300_reg.h" #define RADEON_FIFO_DEBUG 0 @@ -823,6 +824,12 @@ static int RADEON_READ_PLL(drm_device_t * dev, int addr) return RADEON_READ(RADEON_CLOCK_CNTL_DATA); } +static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr) +{ + RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff); + return RADEON_READ(RADEON_PCIE_DATA); +} + #if RADEON_FIFO_DEBUG static void radeon_status(drm_radeon_private_t * dev_priv) { @@ -1131,6 +1138,7 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, ring_start = (dev_priv->cp_ring->offset - dev->sg->handle + dev_priv->gart_vm_start); + RADEON_WRITE(RADEON_CP_RB_BASE, ring_start); /* Set the write pointer delay */ @@ -1231,11 +1239,38 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, RADEON_ISYNC_CPSCRATCH_IDLEGUI)); } +/* Enable or disable PCI-E GART on the chip */ +static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on) +{ + u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL); + if (on) { + + DRM_DEBUG("programming pcie %08X %08lX %08X\n", dev_priv->gart_vm_start, dev_priv->bus_pci_gart,dev_priv->gart_size); + RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, dev_priv->gart_vm_start); + RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE, dev_priv->bus_pci_gart); + RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO, dev_priv->gart_vm_start); + RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO, dev_priv->gart_vm_start + + dev_priv->gart_size - 1); + + RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0); /* ?? */ + + RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL, RADEON_PCIE_TX_GART_EN | RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD | RADEON_PCIE_TX_GART_CHK_RW_VALID_EN); + } else { + RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN); + } +} + /* Enable or disable PCI GART on the chip */ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on) { u32 tmp = RADEON_READ(RADEON_AIC_CNTL); + if (dev_priv->flags & CHIP_IS_PCIE) + { + radeon_set_pciegart(dev_priv, on); + return; + } + if (on) { RADEON_WRITE(RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN); @@ -1497,7 +1532,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) #endif { if (!drm_ati_pcigart_init(dev, &dev_priv->phys_pci_gart, - &dev_priv->bus_pci_gart)) { + &dev_priv->bus_pci_gart, (dev_priv->flags & CHIP_IS_PCIE))) { DRM_ERROR("failed to init PCI GART!\n"); radeon_do_cleanup_cp(dev); return DRM_ERR(ENOMEM); @@ -1606,6 +1641,9 @@ int radeon_cp_init(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(init, (drm_radeon_init_t __user *) data, sizeof(init)); + if(init.func == RADEON_INIT_R300_CP) + r300_init_reg_flags(); + switch (init.func) { case RADEON_INIT_CP: case RADEON_INIT_R200_CP: @@ -2027,6 +2065,7 @@ int radeon_preinit(struct drm_device *dev, unsigned long flags) case CHIP_RV200: case CHIP_R200: case CHIP_R300: + case CHIP_R420: dev_priv->flags |= CHIP_HAS_HIERZ; break; default: @@ -2037,8 +2076,11 @@ int radeon_preinit(struct drm_device *dev, unsigned long flags) if (drm_device_is_agp(dev)) dev_priv->flags |= CHIP_IS_AGP; + if (drm_device_is_pcie(dev)) + dev_priv->flags |= CHIP_IS_PCIE; + DRM_DEBUG("%s card detected\n", - ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : "PCI")); + ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : (((dev_priv->flags & CHIP_IS_PCIE) ? "PCIE" : "PCI")))); return ret; } diff --git a/shared-core/radeon_drm.h b/shared-core/radeon_drm.h index bee63bbc..716e8e04 100644 --- a/shared-core/radeon_drm.h +++ b/shared-core/radeon_drm.h @@ -193,6 +193,53 @@ typedef union { #define RADEON_WAIT_2D 0x1 #define RADEON_WAIT_3D 0x2 +/* Allowed parameters for R300_CMD_PACKET3 + */ +#define R300_CMD_PACKET3_CLEAR 0 +#define R300_CMD_PACKET3_RAW 1 + +/* Commands understood by cmd_buffer ioctl for R300. + * The interface has not been stabilized, so some of these may be removed + * and eventually reordered before stabilization. + */ +#define R300_CMD_PACKET0 1 +#define R300_CMD_VPU 2 /* emit vertex program upload */ +#define R300_CMD_PACKET3 3 /* emit a packet3 */ +#define R300_CMD_END3D 4 /* emit sequence ending 3d rendering */ +#define R300_CMD_CP_DELAY 5 +#define R300_CMD_DMA_DISCARD 6 +#define R300_CMD_WAIT 7 +# define R300_WAIT_2D 0x1 +# define R300_WAIT_3D 0x2 +# define R300_WAIT_2D_CLEAN 0x3 +# define R300_WAIT_3D_CLEAN 0x4 + +typedef union { + unsigned int u; + struct { + unsigned char cmd_type, pad0, pad1, pad2; + } header; + struct { + unsigned char cmd_type, count, reglo, reghi; + } packet0; + struct { + unsigned char cmd_type, count, adrlo, adrhi; + } vpu; + struct { + unsigned char cmd_type, packet, pad0, pad1; + } packet3; + struct { + unsigned char cmd_type, packet; + unsigned short count; /* amount of packet2 to emit */ + } delay; + struct { + unsigned char cmd_type, buf_idx, pad0, pad1; + } dma; + struct { + unsigned char cmd_type, flags, pad0, pad1; + } wait; +} drm_r300_cmd_header_t; + #define RADEON_FRONT 0x1 #define RADEON_BACK 0x2 #define RADEON_DEPTH 0x4 diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h index b613f4c0..72417581 100644 --- a/shared-core/radeon_drv.h +++ b/shared-core/radeon_drv.h @@ -101,7 +101,9 @@ enum radeon_family { CHIP_RV280, CHIP_R300, CHIP_RS300, + CHIP_R350, CHIP_RV350, + CHIP_R420, CHIP_LAST, }; @@ -122,6 +124,7 @@ enum radeon_chip_flags { CHIP_SINGLE_CRTC = 0x00040000UL, CHIP_IS_AGP = 0x00080000UL, CHIP_HAS_HIERZ = 0x00100000UL, + CHIP_IS_PCIE = 0x00200000UL, }; #define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) @@ -314,6 +317,14 @@ extern void radeon_driver_free_filp_priv(drm_device_t * dev, extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); +/* r300_cmdbuf.c */ +extern void r300_init_reg_flags(void); + +extern int r300_do_cp_cmdbuf( drm_device_t* dev, + DRMFILE filp, + drm_file_t* filp_priv, + drm_radeon_cmd_buffer_t* cmdbuf ); + /* Flags for stats.boxes */ #define RADEON_BOX_DMA_IDLE 0x1 @@ -351,6 +362,25 @@ extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd, #define RADEON_CRTC2_OFFSET 0x0324 #define RADEON_CRTC2_OFFSET_CNTL 0x0328 +#define RADEON_PCIE_INDEX 0x0030 +#define RADEON_PCIE_DATA 0x0034 +#define RADEON_PCIE_TX_GART_CNTL 0x10 +# define RADEON_PCIE_TX_GART_EN (1 << 0) +# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_PASS_THRU (0<<1) +# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_CLAMP_LO (1<<1) +# define RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD (3<<1) +# define RADEON_PCIE_TX_GART_MODE_32_128_CACHE (0<<3) +# define RADEON_PCIE_TX_GART_MODE_8_4_128_CACHE (1<<3) +# define RADEON_PCIE_TX_GART_CHK_RW_VALID_EN (1<<5) +# define RADEON_PCIE_TX_GART_INVALIDATE_TLB (1<<8) +#define RADEON_PCIE_TX_DISCARD_RD_ADDR_LO 0x11 +#define RADEON_PCIE_TX_DISCARD_RD_ADDR_HI 0x12 +#define RADEON_PCIE_TX_GART_BASE 0x13 +#define RADEON_PCIE_TX_GART_START_LO 0x14 +#define RADEON_PCIE_TX_GART_START_HI 0x15 +#define RADEON_PCIE_TX_GART_END_LO 0x16 +#define RADEON_PCIE_TX_GART_END_HI 0x17 + #define RADEON_MPP_TB_CONFIG 0x01c0 #define RADEON_MEM_CNTL 0x0140 #define RADEON_MEM_SDRAM_MODE_REG 0x0158 @@ -596,6 +626,8 @@ extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd, #define RADEON_WAIT_UNTIL 0x1720 # define RADEON_WAIT_CRTC_PFLIP (1 << 0) +# define RADEON_WAIT_2D_IDLE (1 << 14) +# define RADEON_WAIT_3D_IDLE (1 << 15) # define RADEON_WAIT_2D_IDLECLEAN (1 << 16) # define RADEON_WAIT_3D_IDLECLEAN (1 << 17) # define RADEON_WAIT_HOST_IDLECLEAN (1 << 18) @@ -648,16 +680,27 @@ extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd, #define RADEON_CP_PACKET1 0x40000000 #define RADEON_CP_PACKET2 0x80000000 #define RADEON_CP_PACKET3 0xC0000000 +# define RADEON_CP_NOP 0x00001000 +# define RADEON_CP_NEXT_CHAR 0x00001900 +# define RADEON_CP_PLY_NEXTSCAN 0x00001D00 +# define RADEON_CP_SET_SCISSORS 0x00001E00 + /* GEN_INDX_PRIM is unsupported starting with R300 */ # define RADEON_3D_RNDR_GEN_INDX_PRIM 0x00002300 # define RADEON_WAIT_FOR_IDLE 0x00002600 # define RADEON_3D_DRAW_VBUF 0x00002800 # define RADEON_3D_DRAW_IMMD 0x00002900 # define RADEON_3D_DRAW_INDX 0x00002A00 +# define RADEON_CP_LOAD_PALETTE 0x00002C00 # define RADEON_3D_LOAD_VBPNTR 0x00002F00 # define RADEON_MPEG_IDCT_MACROBLOCK 0x00003000 # define RADEON_MPEG_IDCT_MACROBLOCK_REV 0x00003100 # define RADEON_3D_CLEAR_ZMASK 0x00003200 +# define RADEON_CP_INDX_BUFFER 0x00003300 +# define RADEON_CP_3D_DRAW_VBUF_2 0x00003400 +# define RADEON_CP_3D_DRAW_IMMD_2 0x00003500 +# define RADEON_CP_3D_DRAW_INDX_2 0x00003600 # define RADEON_3D_CLEAR_HIZ 0x00003700 +# define RADEON_CP_3D_CLEAR_CMASK 0x00003802 # define RADEON_CNTL_HOSTDATA_BLT 0x00009400 # define RADEON_CNTL_PAINT_MULTI 0x00009A00 # define RADEON_CNTL_BITBLT_MULTI 0x00009B00 @@ -882,6 +925,13 @@ do { \ RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) ); \ } while (0) +#define RADEON_WRITE_PCIE( addr, val ) \ +do { \ + RADEON_WRITE8( RADEON_PCIE_INDEX, \ + ((addr) & 0xff)); \ + RADEON_WRITE( RADEON_PCIE_DATA, (val) ); \ +} while (0) + extern int radeon_preinit(struct drm_device *dev, unsigned long flags); extern int radeon_presetup(struct drm_device *dev); extern int radeon_postcleanup(struct drm_device *dev); diff --git a/shared-core/radeon_state.c b/shared-core/radeon_state.c index f6f09ac5..66d54386 100644 --- a/shared-core/radeon_state.c +++ b/shared-core/radeon_state.c @@ -1473,7 +1473,7 @@ static void radeon_cp_dispatch_indices(drm_device_t * dev, } -#define RADEON_MAX_TEXTURE_SIZE (RADEON_BUFFER_SIZE - 8 * sizeof(u32)) +#define RADEON_MAX_TEXTURE_SIZE RADEON_BUFFER_SIZE static int radeon_cp_dispatch_texture(DRMFILE filp, drm_device_t * dev, @@ -1486,10 +1486,11 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, u32 format; u32 *buffer; const u8 __user *data; - int size, dwords, tex_width, blit_width; + int size, dwords, tex_width, blit_width, spitch; u32 height; int i; u32 texpitch, microtile; + u32 offset; RING_LOCALS; DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); @@ -1510,16 +1511,6 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, RADEON_WAIT_UNTIL_IDLE(); ADVANCE_RING(); -#ifdef __BIG_ENDIAN - /* The Mesa texture functions provide the data in little endian as the - * chip wants it, but we need to compensate for the fact that the CP - * ring gets byte-swapped - */ - BEGIN_RING(2); - OUT_RING_REG(RADEON_RBBM_GUICNTL, RADEON_HOST_DATA_SWAP_32BIT); - ADVANCE_RING(); -#endif - /* The compiler won't optimize away a division by a variable, * even if the only legal values are powers of two. Thus, we'll * use a shift instead. @@ -1551,6 +1542,10 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, DRM_ERROR("invalid texture format %d\n", tex->format); return DRM_ERR(EINVAL); } + spitch = blit_width >> 6; + if (spitch == 0 && image->height > 1) + return DRM_ERR(EINVAL); + texpitch = tex->pitch; if ((texpitch << 22) & RADEON_DST_TILE_MICRO) { microtile = 1; @@ -1603,23 +1598,6 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, buffer = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset); dwords = size / 4; - buffer[0] = CP_PACKET3(RADEON_CNTL_HOSTDATA_BLT, dwords + 6); - buffer[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_NONE | - (format << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_S | - RADEON_DP_SRC_SOURCE_HOST_DATA | - RADEON_GMC_CLR_CMP_CNTL_DIS | - RADEON_GMC_WR_MSK_DIS); - - buffer[2] = (texpitch << 22) | (tex->offset >> 10); - buffer[3] = 0xffffffff; - buffer[4] = 0xffffffff; - buffer[5] = (image->y << 16) | image->x; - buffer[6] = (height << 16) | image->width; - buffer[7] = dwords; - buffer += 8; if (microtile) { /* texture micro tiling in use, minimum texture width is thus 16 bytes. @@ -1728,8 +1706,27 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, } buf->filp = filp; - buf->used = (dwords + 8) * sizeof(u32); - radeon_cp_dispatch_indirect(dev, buf, 0, buf->used); + buf->used = size; + offset = dev_priv->gart_buffers_offset + buf->offset; + BEGIN_RING(9); + OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5)); + OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_NONE | + (format << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_MEMORY | + RADEON_GMC_CLR_CMP_CNTL_DIS | + RADEON_GMC_WR_MSK_DIS ); + OUT_RING((spitch << 22) | (offset >> 10)); + OUT_RING((texpitch << 22) | (tex->offset >> 10)); + OUT_RING(0); + OUT_RING((image->x << 16) | image->y); + OUT_RING((image->width << 16) | height); + RADEON_WAIT_UNTIL_2D_IDLE(); + ADVANCE_RING(); + radeon_cp_discard_buffer(dev, buf); /* Update the input parameters for next time */ @@ -2766,7 +2763,18 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) } orig_nbox = cmdbuf.nbox; - + + if(dev_priv->microcode_version == UCODE_R300) { + int temp; + temp=r300_do_cp_cmdbuf(dev, filp, filp_priv, &cmdbuf); + + if (orig_bufsz != 0) + drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); + + return temp; + } + + /* microcode_version != r300 */ while (cmdbuf.bufsz >= sizeof(header)) { header.i = *(int *)cmdbuf.buf; cmdbuf.buf += sizeof(header); @@ -2861,6 +2869,7 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); DRM_DEBUG("DONE\n"); COMMIT_RING(); + return 0; err: |