diff options
Diffstat (limited to 'drivers/char/drm/i810_dma.c')
-rw-r--r-- | drivers/char/drm/i810_dma.c | 312 |
1 files changed, 99 insertions, 213 deletions
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index cb449999d0e..8e841bdee6d 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -120,10 +120,9 @@ static const struct file_operations i810_buffer_fops = { .fasync = drm_fasync, }; -static int i810_map_buffer(struct drm_buf * buf, struct file *filp) +static int i810_map_buffer(struct drm_buf * buf, struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; + struct drm_device *dev = file_priv->head->dev; drm_i810_buf_priv_t *buf_priv = buf->dev_private; drm_i810_private_t *dev_priv = dev->dev_private; const struct file_operations *old_fops; @@ -133,14 +132,14 @@ static int i810_map_buffer(struct drm_buf * buf, struct file *filp) return -EINVAL; down_write(¤t->mm->mmap_sem); - old_fops = filp->f_op; - filp->f_op = &i810_buffer_fops; + old_fops = file_priv->filp->f_op; + file_priv->filp->f_op = &i810_buffer_fops; dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + buf_priv->virtual = (void *)do_mmap(file_priv->filp, 0, buf->total, PROT_READ | PROT_WRITE, MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; - filp->f_op = old_fops; + file_priv->filp->f_op = old_fops; if (IS_ERR(buf_priv->virtual)) { /* Real error */ DRM_ERROR("mmap error\n"); @@ -173,7 +172,7 @@ static int i810_unmap_buffer(struct drm_buf * buf) } static int i810_dma_get_buffer(struct drm_device * dev, drm_i810_dma_t * d, - struct file *filp) + struct drm_file *file_priv) { struct drm_buf *buf; drm_i810_buf_priv_t *buf_priv; @@ -186,13 +185,13 @@ static int i810_dma_get_buffer(struct drm_device * dev, drm_i810_dma_t * d, return retcode; } - retcode = i810_map_buffer(buf, filp); + retcode = i810_map_buffer(buf, file_priv); if (retcode) { i810_freelist_put(dev, buf); DRM_ERROR("mapbuf failed, retcode %d\n", retcode); return retcode; } - buf->filp = filp; + buf->file_priv = file_priv; buf_priv = buf->dev_private; d->granted = 1; d->request_idx = buf->idx; @@ -380,7 +379,7 @@ static int i810_dma_initialize(struct drm_device * dev, i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return DRM_ERR(ENOMEM); + return -ENOMEM; } dev_priv->ring.virtual_start = dev_priv->ring.map.handle; @@ -430,99 +429,29 @@ static int i810_dma_initialize(struct drm_device * dev, return 0; } -/* i810 DRM version 1.1 used a smaller init structure with different - * ordering of values than is currently used (drm >= 1.2). There is - * no defined way to detect the XFree version to correct this problem, - * however by checking using this procedure we can detect the correct - * thing to do. - * - * #1 Read the Smaller init structure from user-space - * #2 Verify the overlay_physical is a valid physical address, or NULL - * If it isn't then we have a v1.1 client. Fix up params. - * If it is, then we have a 1.2 client... get the rest of the data. - */ -static int i810_dma_init_compat(drm_i810_init_t * init, unsigned long arg) +static int i810_dma_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - - /* Get v1.1 init data */ - if (copy_from_user(init, (drm_i810_pre12_init_t __user *) arg, - sizeof(drm_i810_pre12_init_t))) { - return -EFAULT; - } - - if ((!init->overlay_physical) || (init->overlay_physical > 4096)) { - - /* This is a v1.2 client, just get the v1.2 init data */ - DRM_INFO("Using POST v1.2 init.\n"); - if (copy_from_user(init, (drm_i810_init_t __user *) arg, - sizeof(drm_i810_init_t))) { - return -EFAULT; - } - } else { - - /* This is a v1.1 client, fix the params */ - DRM_INFO("Using PRE v1.2 init.\n"); - init->pitch_bits = init->h; - init->pitch = init->w; - init->h = init->overlay_physical; - init->w = init->overlay_offset; - init->overlay_physical = 0; - init->overlay_offset = 0; - } - - return 0; -} - -static int i810_dma_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv; - drm_i810_init_t init; + drm_i810_init_t *init = data; int retcode = 0; - /* Get only the init func */ - if (copy_from_user - (&init, (void __user *)arg, sizeof(drm_i810_init_func_t))) - return -EFAULT; - - switch (init.func) { - case I810_INIT_DMA: - /* This case is for backward compatibility. It - * handles XFree 4.1.0 and 4.2.0, and has to - * do some parameter checking as described below. - * It will someday go away. - */ - retcode = i810_dma_init_compat(&init, arg); - if (retcode) - return retcode; - - dev_priv = drm_alloc(sizeof(drm_i810_private_t), - DRM_MEM_DRIVER); - if (dev_priv == NULL) - return -ENOMEM; - retcode = i810_dma_initialize(dev, dev_priv, &init); - break; - - default: + switch (init->func) { case I810_INIT_DMA_1_4: DRM_INFO("Using v1.4 init.\n"); - if (copy_from_user(&init, (drm_i810_init_t __user *) arg, - sizeof(drm_i810_init_t))) { - return -EFAULT; - } dev_priv = drm_alloc(sizeof(drm_i810_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; - retcode = i810_dma_initialize(dev, dev_priv, &init); + retcode = i810_dma_initialize(dev, dev_priv, init); break; case I810_CLEANUP_DMA: DRM_INFO("DMA Cleanup\n"); retcode = i810_dma_cleanup(dev); break; + default: + return -EINVAL; } return retcode; @@ -968,7 +897,8 @@ static int i810_flush_queue(struct drm_device * dev) } /* Must be called with the lock held */ -static void i810_reclaim_buffers(struct drm_device * dev, struct file *filp) +static void i810_reclaim_buffers(struct drm_device * dev, + struct drm_file *file_priv) { struct drm_device_dma *dma = dev->dma; int i; @@ -986,7 +916,7 @@ static void i810_reclaim_buffers(struct drm_device * dev, struct file *filp) struct drm_buf *buf = dma->buflist[i]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - if (buf->filp == filp && buf_priv) { + if (buf->file_priv == file_priv && buf_priv) { int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); @@ -998,47 +928,38 @@ static void i810_reclaim_buffers(struct drm_device * dev, struct file *filp) } } -static int i810_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_flush_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; - - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); i810_flush_queue(dev); return 0; } -static int i810_dma_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_dma_vertex(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; struct drm_device_dma *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; - drm_i810_vertex_t vertex; - - if (copy_from_user - (&vertex, (drm_i810_vertex_t __user *) arg, sizeof(vertex))) - return -EFAULT; + drm_i810_vertex_t *vertex = data; - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", - vertex.idx, vertex.used, vertex.discard); + vertex->idx, vertex->used, vertex->discard); - if (vertex.idx < 0 || vertex.idx > dma->buf_count) + if (vertex->idx < 0 || vertex->idx > dma->buf_count) return -EINVAL; i810_dma_dispatch_vertex(dev, - dma->buflist[vertex.idx], - vertex.discard, vertex.used); + dma->buflist[vertex->idx], + vertex->discard, vertex->used); - atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]); atomic_inc(&dev->counts[_DRM_STAT_DMA]); sarea_priv->last_enqueue = dev_priv->counter - 1; sarea_priv->last_dispatch = (int)hw_status[5]; @@ -1046,48 +967,37 @@ static int i810_dma_vertex(struct inode *inode, struct file *filp, return 0; } -static int i810_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_clear_bufs(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; - drm_i810_clear_t clear; + drm_i810_clear_t *clear = data; - if (copy_from_user - (&clear, (drm_i810_clear_t __user *) arg, sizeof(clear))) - return -EFAULT; - - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); /* GH: Someone's doing nasty things... */ if (!dev->dev_private) { return -EINVAL; } - i810_dma_dispatch_clear(dev, clear.flags, - clear.clear_color, clear.clear_depth); + i810_dma_dispatch_clear(dev, clear->flags, + clear->clear_color, clear->clear_depth); return 0; } -static int i810_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_swap_bufs(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; - DRM_DEBUG("i810_swap_bufs\n"); - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); i810_dma_dispatch_swap(dev); return 0; } -static int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int i810_getage(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) @@ -1097,46 +1007,39 @@ static int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -static int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int i810_getbuf(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; int retcode = 0; - drm_i810_dma_t d; + drm_i810_dma_t *d = data; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; - if (copy_from_user(&d, (drm_i810_dma_t __user *) arg, sizeof(d))) - return -EFAULT; - - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); - d.granted = 0; + d->granted = 0; - retcode = i810_dma_get_buffer(dev, &d, filp); + retcode = i810_dma_get_buffer(dev, d, file_priv); DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", - current->pid, retcode, d.granted); + current->pid, retcode, d->granted); - if (copy_to_user((void __user *) arg, &d, sizeof(d))) - return -EFAULT; sarea_priv->last_dispatch = (int)hw_status[5]; return retcode; } -static int i810_copybuf(struct inode *inode, - struct file *filp, unsigned int cmd, unsigned long arg) +static int i810_copybuf(struct drm_device *dev, void *data, + struct drm_file *file_priv) { /* Never copy - 2.4.x doesn't need it */ return 0; } -static int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +static int i810_docopy(struct drm_device *dev, void *data, + struct drm_file *file_priv) { /* Never copy - 2.4.x doesn't need it */ return 0; @@ -1202,30 +1105,25 @@ static void i810_dma_dispatch_mc(struct drm_device * dev, struct drm_buf * buf, ADVANCE_LP_RING(); } -static int i810_dma_mc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_dma_mc(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; struct drm_device_dma *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; u32 *hw_status = dev_priv->hw_status_page; drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) dev_priv->sarea_priv; - drm_i810_mc_t mc; - - if (copy_from_user(&mc, (drm_i810_mc_t __user *) arg, sizeof(mc))) - return -EFAULT; + drm_i810_mc_t *mc = data; - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); - if (mc.idx >= dma->buf_count || mc.idx < 0) + if (mc->idx >= dma->buf_count || mc->idx < 0) return -EINVAL; - i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used, - mc.last_render); + i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used, + mc->last_render); - atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]); atomic_inc(&dev->counts[_DRM_STAT_DMA]); sarea_priv->last_enqueue = dev_priv->counter - 1; sarea_priv->last_dispatch = (int)hw_status[5]; @@ -1233,52 +1131,41 @@ static int i810_dma_mc(struct inode *inode, struct file *filp, return 0; } -static int i810_rstatus(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_rstatus(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; return (int)(((u32 *) (dev_priv->hw_status_page))[4]); } -static int i810_ov0_info(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_ov0_info(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - drm_i810_overlay_t data; + drm_i810_overlay_t *ov = data; + + ov->offset = dev_priv->overlay_offset; + ov->physical = dev_priv->overlay_physical; - data.offset = dev_priv->overlay_offset; - data.physical = dev_priv->overlay_physical; - if (copy_to_user - ((drm_i810_overlay_t __user *) arg, &data, sizeof(data))) - return -EFAULT; return 0; } -static int i810_fstatus(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_fstatus(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - LOCK_TEST_WITH_RETURN(dev, filp); - + LOCK_TEST_WITH_RETURN(dev, file_priv); return I810_READ(0x30008); } -static int i810_ov0_flip(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_ov0_flip(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); //Tell the overlay to update I810_WRITE(0x30000, dev_priv->overlay_physical | 0x80000000); @@ -1310,16 +1197,14 @@ static int i810_do_cleanup_pageflip(struct drm_device * dev) return 0; } -static int i810_flip_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i810_flip_bufs(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->head->dev; drm_i810_private_t *dev_priv = dev->dev_private; DRM_DEBUG("%s\n", __FUNCTION__); - LOCK_TEST_WITH_RETURN(dev, filp); + LOCK_TEST_WITH_RETURN(dev, file_priv); if (!dev_priv->page_flipping) i810_do_init_pageflip(dev); @@ -1345,7 +1230,7 @@ void i810_driver_lastclose(struct drm_device * dev) i810_dma_cleanup(dev); } -void i810_driver_preclose(struct drm_device * dev, DRMFILE filp) +void i810_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) { if (dev->dev_private) { drm_i810_private_t *dev_priv = dev->dev_private; @@ -1355,9 +1240,10 @@ void i810_driver_preclose(struct drm_device * dev, DRMFILE filp) } } -void i810_driver_reclaim_buffers_locked(struct drm_device * dev, struct file *filp) +void i810_driver_reclaim_buffers_locked(struct drm_device * dev, + struct drm_file *file_priv) { - i810_reclaim_buffers(dev, filp); + i810_reclaim_buffers(dev, file_priv); } int i810_driver_dma_quiescent(struct drm_device * dev) @@ -1366,22 +1252,22 @@ int i810_driver_dma_quiescent(struct drm_device * dev) return 0; } -drm_ioctl_desc_t i810_ioctls[] = { - [DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, DRM_AUTH} +struct drm_ioctl_desc i810_ioctls[] = { + DRM_IOCTL_DEF(DRM_I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I810_VERTEX, i810_dma_vertex, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_CLEAR, i810_clear_bufs, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_FLUSH, i810_flush_ioctl, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_GETAGE, i810_getage, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_GETBUF, i810_getbuf, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_SWAP, i810_swap_bufs, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_COPY, i810_copybuf, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_DOCOPY, i810_docopy, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_OV0INFO, i810_ov0_info, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_FSTATUS, i810_fstatus, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_OV0FLIP, i810_ov0_flip, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I810_RSTATUS, i810_rstatus, DRM_AUTH), + DRM_IOCTL_DEF(DRM_I810_FLIP, i810_flip_bufs, DRM_AUTH) }; int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); |