diff options
Diffstat (limited to 'linux/mga_drv.c')
| -rw-r--r-- | linux/mga_drv.c | 75 |
1 files changed, 35 insertions, 40 deletions
diff --git a/linux/mga_drv.c b/linux/mga_drv.c index e77d827b..e7547c06 100644 --- a/linux/mga_drv.c +++ b/linux/mga_drv.c @@ -31,16 +31,13 @@ */ #include <linux/config.h> -#define EXPORT_SYMTAB #include "drmP.h" #include "mga_drv.h" -EXPORT_SYMBOL(mga_init); -EXPORT_SYMBOL(mga_cleanup); #define MGA_NAME "mga" #define MGA_DESC "Matrox g200/g400" -#define MGA_DATE "19991213" -#define MGA_MAJOR 1 +#define MGA_DATE "20000831" +#define MGA_MAJOR 2 #define MGA_MINOR 0 #define MGA_PATCHLEVEL 0 @@ -48,6 +45,10 @@ static drm_device_t mga_device; drm_ctx_t mga_res_ctx; static struct file_operations mga_fops = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif open: mga_open, flush: drm_flush, release: mga_release, @@ -118,47 +119,26 @@ static drm_ioctl_desc_t mga_ioctls[] = { #define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) #ifdef MODULE -int init_module(void); -void cleanup_module(void); static char *mga = NULL; +#endif -MODULE_AUTHOR("Precision Insight, Inc., Cedar Park, Texas."); +MODULE_AUTHOR("VA Linux Systems, Inc."); MODULE_DESCRIPTION("Matrox g200/g400"); MODULE_PARM(mga, "s"); -/* init_module is called when insmod is used to load the module */ - -int init_module(void) -{ - DRM_DEBUG("doing mga_init()\n"); - return mga_init(); -} - -/* cleanup_module is called when rmmod is used to unload the module */ - -void cleanup_module(void) -{ - mga_cleanup(); -} -#endif - #ifndef MODULE -/* mga_setup is called by the kernel to parse command-line options passed +/* mga_options is called by the kernel to parse command-line options passed * via the boot-loader (e.g., LILO). It calls the insmod option routine, * drm_parse_drm. - * - * This is not currently supported, since it requires changes to - * linux/init/main.c. */ - + */ -void __init mga_setup(char *str, int *ints) +static int __init mga_options(char *str) { - if (ints[0] != 0) { - DRM_ERROR("Illegal command line format, ignored\n"); - return; - } drm_parse_options(str); + return 1; } + +__setup("mga=", mga_options); #endif static int mga_setup(drm_device_t *dev) @@ -357,7 +337,7 @@ static int mga_takedown(drm_device_t *dev) /* mga_init is called via init_module at module load time, or via * linux/init/main.c (this is not currently supported). */ -int mga_init(void) +static int mga_init(void) { int retcode; drm_device_t *dev = &mga_device; @@ -422,7 +402,7 @@ int mga_init(void) /* mga_cleanup is called via cleanup_module at module unload time. */ -void mga_cleanup(void) +static void mga_cleanup(void) { drm_device_t *dev = &mga_device; @@ -448,11 +428,16 @@ void mga_cleanup(void) mga_takedown(dev); if (dev->agp) { + drm_agp_uninit(); drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } } +module_init(mga_init); +module_exit(mga_cleanup); + + int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -494,7 +479,9 @@ int mga_open(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); if (!(retcode = drm_open_helper(inode, filp, dev))) { - MOD_INC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_open); spin_lock(&dev->count_lock); if (!dev->open_count++) { @@ -509,9 +496,11 @@ int mga_open(struct inode *inode, struct file *filp) int mga_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_device_t *dev; int retcode = 0; + lock_kernel(); + dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); @@ -573,7 +562,9 @@ int mga_release(struct inode *inode, struct file *filp) up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - MOD_DEC_USE_COUNT; +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif atomic_inc(&dev->total_close); spin_lock(&dev->count_lock); if (!--dev->open_count) { @@ -582,12 +573,15 @@ int mga_release(struct inode *inode, struct file *filp) atomic_read(&dev->ioctl_count), dev->blocked); spin_unlock(&dev->count_lock); + unlock_kernel(); return -EBUSY; } spin_unlock(&dev->count_lock); + unlock_kernel(); return mga_takedown(dev); } - spin_unlock(&dev->count_lock); + spin_unlock(&dev->count_lock); + unlock_kernel(); return retcode; } @@ -661,5 +655,6 @@ int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, DRM_ERROR("\n"); } + unblock_all_signals(); return 0; } |