diff options
Diffstat (limited to 'shared-core/mga_dma.c')
| -rw-r--r-- | shared-core/mga_dma.c | 203 |
1 files changed, 93 insertions, 110 deletions
diff --git a/shared-core/mga_dma.c b/shared-core/mga_dma.c index 78448282..a86dd31c 100644 --- a/shared-core/mga_dma.c +++ b/shared-core/mga_dma.c @@ -46,7 +46,7 @@ #define MINIMAL_CLEANUP 0 #define FULL_CLEANUP 1 -static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup); +static int mga_do_cleanup_dma(struct drm_device * dev, int full_cleanup); /* ================================================================ * Engine control @@ -71,7 +71,7 @@ int mga_do_wait_for_idle(drm_mga_private_t * dev_priv) DRM_ERROR("failed!\n"); DRM_INFO(" status=0x%08x\n", status); #endif - return DRM_ERR(EBUSY); + return -EBUSY; } static int mga_do_dma_reset(drm_mga_private_t * dev_priv) @@ -224,7 +224,7 @@ void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv) #define MGA_BUFFER_FREE 0 #if MGA_FREELIST_DEBUG -static void mga_freelist_print(drm_device_t * dev) +static void mga_freelist_print(struct drm_device * dev) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_freelist_t *entry; @@ -245,10 +245,10 @@ static void mga_freelist_print(drm_device_t * dev) } #endif -static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv) +static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_priv) { - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; + struct drm_device_dma *dma = dev->dma; + struct drm_buf *buf; drm_mga_buf_priv_t *buf_priv; drm_mga_freelist_t *entry; int i; @@ -256,7 +256,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv) dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); if (dev_priv->head == NULL) - return DRM_ERR(ENOMEM); + return -ENOMEM; memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t)); SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0); @@ -267,7 +267,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv) entry = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); if (entry == NULL) - return DRM_ERR(ENOMEM); + return -ENOMEM; memset(entry, 0, sizeof(drm_mga_freelist_t)); @@ -291,7 +291,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv) return 0; } -static void mga_freelist_cleanup(drm_device_t * dev) +static void mga_freelist_cleanup(struct drm_device * dev) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_freelist_t *entry; @@ -311,10 +311,10 @@ static void mga_freelist_cleanup(drm_device_t * dev) #if 0 /* FIXME: Still needed? */ -static void mga_freelist_reset(drm_device_t * dev) +static void mga_freelist_reset(struct drm_device * dev) { drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; + struct drm_buf *buf; drm_mga_buf_priv_t *buf_priv; int i; @@ -326,7 +326,7 @@ static void mga_freelist_reset(drm_device_t * dev) } #endif -static drm_buf_t *mga_freelist_get(drm_device_t * dev) +static struct drm_buf *mga_freelist_get(struct drm_device * dev) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_freelist_t *next; @@ -359,7 +359,7 @@ static drm_buf_t *mga_freelist_get(drm_device_t * dev) return NULL; } -int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf) +int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_buf_priv_t *buf_priv = buf->dev_private; @@ -393,13 +393,13 @@ int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf) * DMA initialization, cleanup */ -int mga_driver_load(drm_device_t *dev, unsigned long flags) +int mga_driver_load(struct drm_device *dev, unsigned long flags) { drm_mga_private_t * dev_priv; dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER); if (!dev_priv) - return DRM_ERR(ENOMEM); + return -ENOMEM; dev->dev_private = (void *)dev_priv; memset(dev_priv, 0, sizeof(drm_mga_private_t)); @@ -433,7 +433,7 @@ int mga_driver_load(drm_device_t *dev, unsigned long flags) * * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap */ -static int mga_do_agp_dma_bootstrap(drm_device_t * dev, +static int mga_do_agp_dma_bootstrap(struct drm_device *dev, drm_mga_dma_bootstrap_t * dma_bs) { drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; @@ -443,11 +443,11 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, const unsigned secondary_size = dma_bs->secondary_bin_count * dma_bs->secondary_bin_size; const unsigned agp_size = (dma_bs->agp_size << 20); - drm_buf_desc_t req; - drm_agp_mode_t mode; - drm_agp_info_t info; - drm_agp_buffer_t agp_req; - drm_agp_binding_t bind_req; + struct drm_buf_desc req; + struct drm_agp_mode mode; + struct drm_agp_info info; + struct drm_agp_buffer agp_req; + struct drm_agp_binding bind_req; /* Acquire AGP. */ err = drm_agp_acquire(dev); @@ -548,10 +548,10 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, #ifdef __linux__ { - drm_map_list_t *_entry; + struct drm_map_list *_entry; unsigned long agp_token = 0; - list_for_each_entry(_entry, &dev->maplist->head, head) { + list_for_each_entry(_entry, &dev->maplist, head) { if (_entry->map == dev->agp_buffer_map) agp_token = _entry->user_token; } @@ -579,7 +579,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n", dev_priv->warp->handle, dev_priv->primary->handle, dev->agp_buffer_map->handle); - return DRM_ERR(ENOMEM); + return -ENOMEM; } dev_priv->dma_access = MGA_PAGPXFER; @@ -603,7 +603,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, * * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap */ -static int mga_do_pci_dma_bootstrap(drm_device_t * dev, +static int mga_do_pci_dma_bootstrap(struct drm_device * dev, drm_mga_dma_bootstrap_t * dma_bs) { drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; @@ -611,12 +611,12 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, unsigned int primary_size; unsigned int bin_count; int err; - drm_buf_desc_t req; + struct drm_buf_desc req; if (dev->dma == NULL) { DRM_ERROR("dev->dma is NULL\n"); - return DRM_ERR(EFAULT); + return -EFAULT; } /* Make drm_addbufs happy by not trying to create a mapping for less @@ -651,7 +651,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, if (err != 0) { DRM_ERROR("Unable to allocate primary DMA region: %d\n", err); - return DRM_ERR(ENOMEM); + return -ENOMEM; } if (dev_priv->primary->size != dma_bs->primary_size) { @@ -696,7 +696,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, } -static int mga_do_dma_bootstrap(drm_device_t * dev, +static int mga_do_dma_bootstrap(struct drm_device * dev, drm_mga_dma_bootstrap_t * dma_bs) { const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev); @@ -762,44 +762,37 @@ static int mga_do_dma_bootstrap(drm_device_t * dev, return err; } -int mga_dma_bootstrap(DRM_IOCTL_ARGS) +int mga_dma_bootstrap(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_mga_dma_bootstrap_t bootstrap; + drm_mga_dma_bootstrap_t *bootstrap = data; int err; static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; const drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private; - DRM_COPY_FROM_USER_IOCTL(bootstrap, - (drm_mga_dma_bootstrap_t __user *) data, - sizeof(bootstrap)); - - err = mga_do_dma_bootstrap(dev, & bootstrap); + err = mga_do_dma_bootstrap(dev, bootstrap); if (err) { mga_do_cleanup_dma(dev, FULL_CLEANUP); return err; } if (dev_priv->agp_textures != NULL) { - bootstrap.texture_handle = dev_priv->agp_textures->offset; - bootstrap.texture_size = dev_priv->agp_textures->size; + bootstrap->texture_handle = dev_priv->agp_textures->offset; + bootstrap->texture_size = dev_priv->agp_textures->size; } else { - bootstrap.texture_handle = 0; - bootstrap.texture_size = 0; + bootstrap->texture_handle = 0; + bootstrap->texture_size = 0; } - bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07]; - - DRM_COPY_TO_USER_IOCTL((drm_mga_dma_bootstrap_t __user *)data, - bootstrap, sizeof(bootstrap)); + bootstrap->agp_mode = modes[bootstrap->agp_mode & 0x07]; return 0; } -static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) +static int mga_do_init_dma(struct drm_device * dev, drm_mga_init_t * init) { drm_mga_private_t *dev_priv; int ret; @@ -833,7 +826,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { DRM_ERROR("failed to find sarea!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } if (! dev_priv->used_new_dma_init) { @@ -844,28 +837,28 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) dev_priv->status = drm_core_findmap(dev, init->status_offset); if (!dev_priv->status) { DRM_ERROR("failed to find status page!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); if (!dev_priv->mmio) { DRM_ERROR("failed to find mmio region!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } dev_priv->warp = drm_core_findmap(dev, init->warp_offset); if (!dev_priv->warp) { DRM_ERROR("failed to find warp microcode region!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } dev_priv->primary = drm_core_findmap(dev, init->primary_offset); if (!dev_priv->primary) { DRM_ERROR("failed to find primary dma region!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } dev->agp_buffer_token = init->buffers_offset; dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); if (!dev->agp_buffer_map) { DRM_ERROR("failed to find dma buffer region!\n"); - return DRM_ERR(EINVAL); + return -EINVAL; } drm_core_ioremap(dev_priv->warp, dev); @@ -883,7 +876,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) ((dev->agp_buffer_map == NULL) || (dev->agp_buffer_map->handle == NULL)))) { DRM_ERROR("failed to ioremap agp regions!\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } ret = mga_warp_install_microcode(dev_priv); @@ -933,13 +926,13 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) if (mga_freelist_init(dev, dev_priv) < 0) { DRM_ERROR("could not initialize freelist\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } return 0; } -static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup) +static int mga_do_cleanup_dma(struct drm_device * dev, int full_cleanup) { int err = 0; DRM_DEBUG("\n"); @@ -967,8 +960,8 @@ static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup) if (dev_priv->used_new_dma_init) { if (dev_priv->agp_handle != 0) { - drm_agp_binding_t unbind_req; - drm_agp_buffer_t free_req; + struct drm_agp_binding unbind_req; + struct drm_agp_buffer free_req; unbind_req.handle = dev_priv->agp_handle; drm_agp_unbind(dev, &unbind_req); @@ -1010,20 +1003,17 @@ static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup) return 0; } -int mga_dma_init(DRM_IOCTL_ARGS) +int mga_dma_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_mga_init_t init; + drm_mga_init_t *init = data; int err; - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); - DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data, - sizeof(init)); - - switch (init.func) { + switch (init->func) { case MGA_INIT_DMA: - err = mga_do_init_dma(dev, &init); + err = mga_do_init_dma(dev, init); if (err) { (void) mga_do_cleanup_dma(dev, FULL_CLEANUP); } @@ -1032,36 +1022,33 @@ int mga_dma_init(DRM_IOCTL_ARGS) return mga_do_cleanup_dma(dev, FULL_CLEANUP); } - return DRM_ERR(EINVAL); + return -EINVAL; } /* ================================================================ * Primary DMA stream management */ -int mga_dma_flush(DRM_IOCTL_ARGS) +int mga_dma_flush(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - drm_lock_t lock; - - LOCK_TEST_WITH_RETURN(dev, filp); + struct drm_lock *lock = data; - DRM_COPY_FROM_USER_IOCTL(lock, (drm_lock_t __user *) data, - sizeof(lock)); + LOCK_TEST_WITH_RETURN(dev, file_priv); DRM_DEBUG("%s%s%s\n", - (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "", - (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", - (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : ""); + (lock->flags & _DRM_LOCK_FLUSH) ? "flush, " : "", + (lock->flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", + (lock->flags & _DRM_LOCK_QUIESCENT) ? "idle, " : ""); WRAP_WAIT_WITH_RETURN(dev_priv); - if (lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) { + if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) { mga_do_dma_flush(dev_priv); } - if (lock.flags & _DRM_LOCK_QUIESCENT) { + if (lock->flags & _DRM_LOCK_QUIESCENT) { #if MGA_DMA_DEBUG int ret = mga_do_wait_for_idle(dev_priv); if (ret < 0) @@ -1075,12 +1062,12 @@ int mga_dma_flush(DRM_IOCTL_ARGS) } } -int mga_dma_reset(DRM_IOCTL_ARGS) +int mga_dma_reset(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); return mga_do_dma_reset(dev_priv); } @@ -1089,76 +1076,72 @@ int mga_dma_reset(DRM_IOCTL_ARGS) * DMA buffer management */ -static int mga_dma_get_buffers(DRMFILE filp, drm_device_t * dev, drm_dma_t * d) +static int mga_dma_get_buffers(struct drm_device * dev, + struct drm_file *file_priv, struct drm_dma * d) { - drm_buf_t *buf; + struct drm_buf *buf; int i; for (i = d->granted_count; i < d->request_count; i++) { buf = mga_freelist_get(dev); if (!buf) - return DRM_ERR(EAGAIN); + return -EAGAIN; - buf->filp = filp; + buf->file_priv = file_priv; if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx, sizeof(buf->idx))) - return DRM_ERR(EFAULT); + return -EFAULT; if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total, sizeof(buf->total))) - return DRM_ERR(EFAULT); + return -EFAULT; d->granted_count++; } return 0; } -int mga_dma_buffers(DRM_IOCTL_ARGS) +int mga_dma_buffers(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_device_dma_t *dma = dev->dma; + struct drm_device_dma *dma = dev->dma; drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - drm_dma_t __user *argp = (void __user *)data; - drm_dma_t d; + struct drm_dma *d = data; int ret = 0; - LOCK_TEST_WITH_RETURN(dev, filp); - - DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d)); + LOCK_TEST_WITH_RETURN(dev, file_priv); /* Please don't send us buffers. */ - if (d.send_count != 0) { + if (d->send_count != 0) { DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", - DRM_CURRENTPID, d.send_count); - return DRM_ERR(EINVAL); + DRM_CURRENTPID, d->send_count); + return -EINVAL; } /* We'll send you buffers. */ - if (d.request_count < 0 || d.request_count > dma->buf_count) { + if (d->request_count < 0 || d->request_count > dma->buf_count) { DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", - DRM_CURRENTPID, d.request_count, dma->buf_count); - return DRM_ERR(EINVAL); + DRM_CURRENTPID, d->request_count, dma->buf_count); + return -EINVAL; } WRAP_TEST_WITH_RETURN(dev_priv); - d.granted_count = 0; + d->granted_count = 0; - if (d.request_count) { - ret = mga_dma_get_buffers(filp, dev, &d); + if (d->request_count) { + ret = mga_dma_get_buffers(dev, file_priv, d); } - DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d)); - return ret; } /** * Called just before the module is unloaded. */ -int mga_driver_unload(drm_device_t * dev) +int mga_driver_unload(struct drm_device * dev) { drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; @@ -1169,12 +1152,12 @@ int mga_driver_unload(drm_device_t * dev) /** * Called when the last opener of the device is closed. */ -void mga_driver_lastclose(drm_device_t * dev) +void mga_driver_lastclose(struct drm_device * dev) { mga_do_cleanup_dma(dev, FULL_CLEANUP); } -int mga_driver_dma_quiescent(drm_device_t * dev) +int mga_driver_dma_quiescent(struct drm_device * dev) { drm_mga_private_t *dev_priv = dev->dev_private; return mga_do_wait_for_idle(dev_priv); |