diff options
Diffstat (limited to 'drivers/char/drm/i810_dma.c')
| -rw-r--r-- | drivers/char/drm/i810_dma.c | 1101 |
1 files changed, 550 insertions, 551 deletions
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index 2f1659b96fd1..810625093c06 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -45,102 +45,101 @@ #define I810_BUF_UNMAPPED 0 #define I810_BUF_MAPPED 1 -static drm_buf_t *i810_freelist_get(drm_device_t *dev) +static drm_buf_t *i810_freelist_get(drm_device_t * dev) { - drm_device_dma_t *dma = dev->dma; - int i; - int used; + drm_device_dma_t *dma = dev->dma; + int i; + int used; /* Linear search might not be the best solution */ - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, + used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, I810_BUF_CLIENT); if (used == I810_BUF_FREE) { return buf; } } - return NULL; + return NULL; } /* This should only be called if the buffer is not sent to the hardware * yet, the hardware updates in use for us once its on the ring buffer. */ -static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf) +static int i810_freelist_put(drm_device_t * dev, drm_buf_t * buf) { - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - int used; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + int used; - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); if (used != I810_BUF_CLIENT) { - DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); - return -EINVAL; + DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); + return -EINVAL; } - return 0; + return 0; } static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - drm_i810_private_t *dev_priv; - drm_buf_t *buf; + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i810_private_t *dev_priv; + drm_buf_t *buf; drm_i810_buf_priv_t *buf_priv; lock_kernel(); - dev = priv->head->dev; + dev = priv->head->dev; dev_priv = dev->dev_private; - buf = dev_priv->mmap_buffer; + buf = dev_priv->mmap_buffer; buf_priv = buf->dev_private; vma->vm_flags |= (VM_IO | VM_DONTCOPY); vma->vm_file = filp; - buf_priv->currently_mapped = I810_BUF_MAPPED; + buf_priv->currently_mapped = I810_BUF_MAPPED; unlock_kernel(); if (io_remap_pfn_range(vma, vma->vm_start, - VM_OFFSET(vma) >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) return -EAGAIN; + VM_OFFSET(vma) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, vma->vm_page_prot)) + return -EAGAIN; return 0; } static struct file_operations i810_buffer_fops = { - .open = drm_open, - .flush = drm_flush, + .open = drm_open, + .flush = drm_flush, .release = drm_release, - .ioctl = drm_ioctl, - .mmap = i810_mmap_buffers, - .fasync = drm_fasync, + .ioctl = drm_ioctl, + .mmap = i810_mmap_buffers, + .fasync = drm_fasync, }; -static int i810_map_buffer(drm_buf_t *buf, struct file *filp) +static int i810_map_buffer(drm_buf_t * buf, struct file *filp) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_i810_private_t *dev_priv = dev->dev_private; - struct file_operations *old_fops; + drm_i810_private_t *dev_priv = dev->dev_private; + struct file_operations *old_fops; int retcode = 0; - if (buf_priv->currently_mapped == I810_BUF_MAPPED) + if (buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL; - down_write( ¤t->mm->mmap_sem ); + down_write(¤t->mm->mmap_sem); old_fops = filp->f_op; filp->f_op = &i810_buffer_fops; dev_priv->mmap_buffer = buf; buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, - PROT_READ|PROT_WRITE, - MAP_SHARED, - buf->bus_address); + PROT_READ | PROT_WRITE, + MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; if ((unsigned long)buf_priv->virtual > -1024UL) { @@ -149,12 +148,12 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp) retcode = (signed int)buf_priv->virtual; buf_priv->virtual = NULL; } - up_write( ¤t->mm->mmap_sem ); + up_write(¤t->mm->mmap_sem); return retcode; } -static int i810_unmap_buffer(drm_buf_t *buf) +static int i810_unmap_buffer(drm_buf_t * buf) { drm_i810_buf_priv_t *buf_priv = buf->dev_private; int retcode = 0; @@ -168,43 +167,43 @@ static int i810_unmap_buffer(drm_buf_t *buf) (size_t) buf->total); up_write(¤t->mm->mmap_sem); - buf_priv->currently_mapped = I810_BUF_UNMAPPED; - buf_priv->virtual = NULL; + buf_priv->currently_mapped = I810_BUF_UNMAPPED; + buf_priv->virtual = NULL; return retcode; } -static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, +static int i810_dma_get_buffer(drm_device_t * dev, drm_i810_dma_t * d, struct file *filp) { - drm_buf_t *buf; + drm_buf_t *buf; drm_i810_buf_priv_t *buf_priv; int retcode = 0; buf = i810_freelist_get(dev); if (!buf) { retcode = -ENOMEM; - DRM_DEBUG("retcode=%d\n", retcode); + DRM_DEBUG("retcode=%d\n", retcode); return retcode; } retcode = i810_map_buffer(buf, filp); if (retcode) { i810_freelist_put(dev, buf); - DRM_ERROR("mapbuf failed, retcode %d\n", retcode); + DRM_ERROR("mapbuf failed, retcode %d\n", retcode); return retcode; } buf->filp = filp; buf_priv = buf->dev_private; d->granted = 1; - d->request_idx = buf->idx; - d->request_size = buf->total; - d->virtual = buf_priv->virtual; + d->request_idx = buf->idx; + d->request_size = buf->total; + d->virtual = buf_priv->virtual; return retcode; } -static int i810_dma_cleanup(drm_device_t *dev) +static int i810_dma_cleanup(drm_device_t * dev) { drm_device_dma_t *dma = dev->dma; @@ -217,165 +216,167 @@ static int i810_dma_cleanup(drm_device_t *dev) if (dev->dev_private) { int i; - drm_i810_private_t *dev_priv = - (drm_i810_private_t *) dev->dev_private; + drm_i810_private_t *dev_priv = + (drm_i810_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *) dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_ioremapfree((void *)dev_priv->ring.virtual_start, + dev_priv->ring.Size, dev); } - if (dev_priv->hw_status_page) { - pci_free_consistent(dev->pdev, PAGE_SIZE, + if (dev_priv->hw_status_page) { + pci_free_consistent(dev->pdev, PAGE_SIZE, dev_priv->hw_status_page, dev_priv->dma_status_page); - /* Need to rewrite hardware status page */ - I810_WRITE(0x02080, 0x1ffff000); + /* Need to rewrite hardware status page */ + I810_WRITE(0x02080, 0x1ffff000); } - drm_free(dev->dev_private, sizeof(drm_i810_private_t), + drm_free(dev->dev_private, sizeof(drm_i810_private_t), DRM_MEM_DRIVER); - dev->dev_private = NULL; + dev->dev_private = NULL; for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; + drm_buf_t *buf = dma->buflist[i]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - if ( buf_priv->kernel_virtual && buf->total ) - drm_ioremapfree(buf_priv->kernel_virtual, buf->total, dev); + if (buf_priv->kernel_virtual && buf->total) + drm_ioremapfree(buf_priv->kernel_virtual, + buf->total, dev); } } - return 0; + return 0; } -static int i810_wait_ring(drm_device_t *dev, int n) +static int i810_wait_ring(drm_device_t * dev, int n) { - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - int iters = 0; - unsigned long end; + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_ring_buffer_t *ring = &(dev_priv->ring); + int iters = 0; + unsigned long end; unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - end = jiffies + (HZ*3); - while (ring->space < n) { - ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->space = ring->head - (ring->tail+8); - if (ring->space < 0) ring->space += ring->Size; - + end = jiffies + (HZ * 3); + while (ring->space < n) { + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->Size; + if (ring->head != last_head) { - end = jiffies + (HZ*3); + end = jiffies + (HZ * 3); last_head = ring->head; } - - iters++; + + iters++; if (time_before(end, jiffies)) { - DRM_ERROR("space: %d wanted %d\n", ring->space, n); - DRM_ERROR("lockup\n"); - goto out_wait_ring; + DRM_ERROR("space: %d wanted %d\n", ring->space, n); + DRM_ERROR("lockup\n"); + goto out_wait_ring; } udelay(1); } -out_wait_ring: - return iters; + out_wait_ring: + return iters; } -static void i810_kernel_lost_context(drm_device_t *dev) +static void i810_kernel_lost_context(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_ring_buffer_t *ring = &(dev_priv->ring); + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->tail = I810_READ(LP_RING + RING_TAIL); - ring->space = ring->head - (ring->tail+8); - if (ring->space < 0) ring->space += ring->Size; + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->tail = I810_READ(LP_RING + RING_TAIL); + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->Size; } -static int i810_freelist_init(drm_device_t *dev, drm_i810_private_t *dev_priv) +static int i810_freelist_init(drm_device_t * dev, drm_i810_private_t * dev_priv) { - drm_device_dma_t *dma = dev->dma; - int my_idx = 24; - u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx); - int i; + drm_device_dma_t *dma = dev->dma; + int my_idx = 24; + u32 *hw_status = (u32 *) (dev_priv->hw_status_page + my_idx); + int i; if (dma->buf_count > 1019) { - /* Not enough space in the status page for the freelist */ - return -EINVAL; + /* Not enough space in the status page for the freelist */ + return -EINVAL; } - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; - buf_priv->in_use = hw_status++; - buf_priv->my_use_idx = my_idx; - my_idx += 4; + buf_priv->in_use = hw_status++; + buf_priv->my_use_idx = my_idx; + my_idx += 4; - *buf_priv->in_use = I810_BUF_FREE; + *buf_priv->in_use = I810_BUF_FREE; buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf->total, dev); } return 0; } -static int i810_dma_initialize(drm_device_t *dev, - drm_i810_private_t *dev_priv, - drm_i810_init_t *init) +static int i810_dma_initialize(drm_device_t * dev, + drm_i810_private_t * dev_priv, + drm_i810_init_t * init) { struct list_head *list; - memset(dev_priv, 0, sizeof(drm_i810_private_t)); + memset(dev_priv, 0, sizeof(drm_i810_private_t)); list_for_each(list, &dev->maplist->head) { drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); if (r_list->map && r_list->map->type == _DRM_SHM && - r_list->map->flags & _DRM_CONTAINS_LOCK ) { + r_list->map->flags & _DRM_CONTAINS_LOCK) { dev_priv->sarea_map = r_list->map; - break; - } - } + break; + } + } if (!dev_priv->sarea_map) { dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find sarea!\n"); - return -EINVAL; + i810_dma_cleanup(dev); + DRM_ERROR("can not find sarea!\n"); + return -EINVAL; } dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); if (!dev_priv->mmio_map) { dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return -EINVAL; + i810_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + 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) { dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find dma buffer map!\n"); - return -EINVAL; + i810_dma_cleanup(dev); + DRM_ERROR("can not find dma buffer map!\n"); + return -EINVAL; } dev_priv->sarea_priv = (drm_i810_sarea_t *) - ((u8 *)dev_priv->sarea_map->handle + - init->sarea_priv_offset); + ((u8 *) dev_priv->sarea_map->handle + init->sarea_priv_offset); - dev_priv->ring.Start = init->ring_start; - dev_priv->ring.End = init->ring_end; - dev_priv->ring.Size = init->ring_size; + dev_priv->ring.Start = init->ring_start; + dev_priv->ring.End = init->ring_end; + dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + + init->ring_start, + init->ring_size, dev); - if (dev_priv->ring.virtual_start == NULL) { - dev->dev_private = (void *) dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" + if (dev_priv->ring.virtual_start == NULL) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return -ENOMEM; } - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; dev_priv->h = init->h; @@ -391,33 +392,33 @@ static int i810_dma_initialize(drm_device_t *dev, dev_priv->back_di1 = init->back_offset | init->pitch_bits; dev_priv->zi1 = init->depth_offset | init->pitch_bits; - /* Program Hardware Status Page */ - dev_priv->hw_status_page = - pci_alloc_consistent(dev->pdev, PAGE_SIZE, - &dev_priv->dma_status_page); - if (!dev_priv->hw_status_page) { + /* Program Hardware Status Page */ + dev_priv->hw_status_page = + pci_alloc_consistent(dev->pdev, PAGE_SIZE, + &dev_priv->dma_status_page); + if (!dev_priv->hw_status_page) { dev->dev_private = (void *)dev_priv; i810_dma_cleanup(dev); DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; } - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); I810_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); + DRM_DEBUG("Enabled hardware status page\n"); - /* Now we need to init our freelist */ + /* Now we need to init our freelist */ if (i810_freelist_init(dev, dev_priv) != 0) { dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("Not enough space in the status page for" + i810_dma_cleanup(dev); + DRM_ERROR("Not enough space in the status page for" " the freelist\n"); - return -ENOMEM; + return -ENOMEM; } dev->dev_private = (void *)dev_priv; - return 0; + return 0; } /* i810 DRM version 1.1 used a smaller init structure with different @@ -431,12 +432,12 @@ static int i810_dma_initialize(drm_device_t *dev, * 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_compat(drm_i810_init_t * init, unsigned long arg) { /* Get v1.1 init data */ - if (copy_from_user(init, (drm_i810_pre12_init_t __user *)arg, - sizeof(drm_i810_pre12_init_t))) { + if (copy_from_user(init, (drm_i810_pre12_init_t __user *) arg, + sizeof(drm_i810_pre12_init_t))) { return -EFAULT; } @@ -444,7 +445,7 @@ static int i810_dma_init_compat(drm_i810_init_t *init, unsigned long arg) /* 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, + if (copy_from_user(init, (drm_i810_init_t __user *) arg, sizeof(drm_i810_init_t))) { return -EFAULT; } @@ -452,246 +453,239 @@ static int i810_dma_init_compat(drm_i810_init_t *init, unsigned long arg) /* 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; + 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) + unsigned int cmd, unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_i810_private_t *dev_priv; - drm_i810_init_t init; - int retcode = 0; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv; + drm_i810_init_t init; + int retcode = 0; /* Get only the init func */ - if (copy_from_user(&init, (void __user *)arg, sizeof(drm_i810_init_func_t))) + 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: - 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); - break; - - case I810_CLEANUP_DMA: - DRM_INFO("DMA Cleanup\n"); - retcode = i810_dma_cleanup(dev); - break; + 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: + 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); + break; + + case I810_CLEANUP_DMA: + DRM_INFO("DMA Cleanup\n"); + retcode = i810_dma_cleanup(dev); + break; } - return retcode; + return retcode; } - - /* Most efficient way to verify state for the i810 is as it is * emitted. Non-conformant state is silently dropped. * * Use 'volatile' & local var tmp to force the emitted values to be * identical to the verified ones. */ -static void i810EmitContextVerified( drm_device_t *dev, - volatile unsigned int *code ) +static void i810EmitContextVerified(drm_device_t * dev, + volatile unsigned int *code) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; RING_LOCALS; - BEGIN_LP_RING( I810_CTX_SETUP_SIZE ); + BEGIN_LP_RING(I810_CTX_SETUP_SIZE); - OUT_RING( GFX_OP_COLOR_FACTOR ); - OUT_RING( code[I810_CTXREG_CF1] ); + OUT_RING(GFX_OP_COLOR_FACTOR); + OUT_RING(code[I810_CTXREG_CF1]); - OUT_RING( GFX_OP_STIPPLE ); - OUT_RING( code[I810_CTXREG_ST1] ); + OUT_RING(GFX_OP_STIPPLE); + OUT_RING(code[I810_CTXREG_ST1]); - for ( i = 4 ; i < I810_CTX_SETUP_SIZE ; i++ ) { + for (i = 4; i < I810_CTX_SETUP_SIZE; i++) { tmp = code[i]; - if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) - { - OUT_RING( tmp ); + if ((tmp & (7 << 29)) == (3 << 29) && + (tmp & (0x1f << 24)) < (0x1d << 24)) { + OUT_RING(tmp); j++; - } - else printk("constext state dropped!!!\n"); + } else + printk("constext state dropped!!!\n"); } if (j & 1) - OUT_RING( 0 ); + OUT_RING(0); ADVANCE_LP_RING(); } -static void i810EmitTexVerified( drm_device_t *dev, - volatile unsigned int *code ) +static void i810EmitTexVerified(drm_device_t * dev, volatile unsigned int *code) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; RING_LOCALS; - BEGIN_LP_RING( I810_TEX_SETUP_SIZE ); + BEGIN_LP_RING(I810_TEX_SETUP_SIZE); - OUT_RING( GFX_OP_MAP_INFO ); - OUT_RING( code[I810_TEXREG_MI1] ); - OUT_RING( code[I810_TEXREG_MI2] ); - OUT_RING( code[I810_TEXREG_MI3] ); + OUT_RING(GFX_OP_MAP_INFO); + OUT_RING(code[I810_TEXREG_MI1]); + OUT_RING(code[I810_TEXREG_MI2]); + OUT_RING(code[I810_TEXREG_MI3]); - for ( i = 4 ; i < I810_TEX_SETUP_SIZE ; i++ ) { + for (i = 4; i < I810_TEX_SETUP_SIZE; i++) { tmp = code[i]; - if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) - { - OUT_RING( tmp ); + if ((tmp & (7 << 29)) == (3 << 29) && + (tmp & (0x1f << 24)) < (0x1d << 24)) { + OUT_RING(tmp); j++; - } - else printk("texture state dropped!!!\n"); + } else + printk("texture state dropped!!!\n"); } if (j & 1) - OUT_RING( 0 ); + OUT_RING(0); ADVANCE_LP_RING(); } - /* Need to do some additional checking when setting the dest buffer. */ -static void i810EmitDestVerified( drm_device_t *dev, - volatile unsigned int *code ) +static void i810EmitDestVerified(drm_device_t * dev, + volatile unsigned int *code) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; unsigned int tmp; RING_LOCALS; - BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 ); + BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2); tmp = code[I810_DESTREG_DI1]; if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { - OUT_RING( CMD_OP_DESTBUFFER_INFO ); - OUT_RING( tmp ); + OUT_RING(CMD_OP_DESTBUFFER_INFO); + OUT_RING(tmp); } else - DRM_DEBUG("bad di1 %x (allow %x or %x)\n", - tmp, dev_priv->front_di1, dev_priv->back_di1); + DRM_DEBUG("bad di1 %x (allow %x or %x)\n", + tmp, dev_priv->front_di1, dev_priv->back_di1); /* invarient: */ - OUT_RING( CMD_OP_Z_BUFFER_INFO ); - OUT_RING( dev_priv->zi1 ); + OUT_RING(CMD_OP_Z_BUFFER_INFO); + OUT_RING(dev_priv->zi1); - OUT_RING( GFX_OP_DESTBUFFER_VARS ); - OUT_RING( code[I810_DESTREG_DV1] ); + OUT_RING(GFX_OP_DESTBUFFER_VARS); + OUT_RING(code[I810_DESTREG_DV1]); - OUT_RING( GFX_OP_DRAWRECT_INFO ); - OUT_RING( code[I810_DESTREG_DR1] ); - OUT_RING( code[I810_DESTREG_DR2] ); - OUT_RING( code[I810_DESTREG_DR3] ); - OUT_RING( code[I810_DESTREG_DR4] ); - OUT_RING( 0 ); + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(code[I810_DESTREG_DR1]); + OUT_RING(code[I810_DESTREG_DR2]); + OUT_RING(code[I810_DESTREG_DR3]); + OUT_RING(code[I810_DESTREG_DR4]); + OUT_RING(0); ADVANCE_LP_RING(); } - - -static void i810EmitState( drm_device_t *dev ) +static void i810EmitState(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; - + DRM_DEBUG("%s %x\n", __FUNCTION__, dirty); if (dirty & I810_UPLOAD_BUFFERS) { - i810EmitDestVerified( dev, sarea_priv->BufferState ); + i810EmitDestVerified(dev, sarea_priv->BufferState); sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS; } if (dirty & I810_UPLOAD_CTX) { - i810EmitContextVerified( dev, sarea_priv->ContextState ); + i810EmitContextVerified(dev, sarea_priv->ContextState); sarea_priv->dirty &= ~I810_UPLOAD_CTX; } if (dirty & I810_UPLOAD_TEX0) { - i810EmitTexVerified( dev, sarea_priv->TexState[0] ); + i810EmitTexVerified(dev, sarea_priv->TexState[0]); sarea_priv->dirty &= ~I810_UPLOAD_TEX0; } if (dirty & I810_UPLOAD_TEX1) { - i810EmitTexVerified( dev, sarea_priv->TexState[1] ); + i810EmitTexVerified(dev, sarea_priv->TexState[1]); sarea_priv->dirty &= ~I810_UPLOAD_TEX1; } } - - /* need to verify */ -static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, - unsigned int clear_color, - unsigned int clear_zval ) +static void i810_dma_dispatch_clear(drm_device_t * dev, int flags, + unsigned int clear_color, + unsigned int clear_zval) { - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; int pitch = dev_priv->pitch; int cpp = 2; int i; RING_LOCALS; - - if ( dev_priv->current_page == 1 ) { - unsigned int tmp = flags; - + + if (dev_priv->current_page == 1) { + unsigned int tmp = flags; + flags &= ~(I810_FRONT | I810_BACK); - if (tmp & I810_FRONT) flags |= I810_BACK; - if (tmp & I810_BACK) flags |= I810_FRONT; + if (tmp & I810_FRONT) + flags |= I810_BACK; + if (tmp & I810_BACK) + flags |= I810_FRONT; } - i810_kernel_lost_context(dev); + i810_kernel_lost_context(dev); - if (nbox > I810_NR_SAREA_CLIPRECTS) - nbox = I810_NR_SAREA_CLIPRECTS; + if (nbox > I810_NR_SAREA_CLIPRECTS) + nbox = I810_NR_SAREA_CLIPRECTS; - for (i = 0 ; i < nbox ; i++, pbox++) { + for (i = 0; i < nbox; i++, pbox++) { unsigned int x = pbox->x1; unsigned int y = pbox->y1; unsigned int width = (pbox->x2 - x) * cpp; @@ -700,52 +694,48 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, if (pbox->x1 > pbox->x2 || pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || - pbox->y2 > dev_priv->h) + pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) continue; - if ( flags & I810_FRONT ) { - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | - BR00_OP_COLOR_BLT | 0x3 ); - OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); - OUT_RING( (height << 16) | width ); - OUT_RING( start ); - OUT_RING( clear_color ); - OUT_RING( 0 ); + if (flags & I810_FRONT) { + BEGIN_LP_RING(6); + OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); + OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); + OUT_RING((height << 16) | width); + OUT_RING(start); + OUT_RING(clear_color); + OUT_RING(0); ADVANCE_LP_RING(); } - if ( flags & I810_BACK ) { - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | - BR00_OP_COLOR_BLT | 0x3 ); - OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); - OUT_RING( (height << 16) | width ); - OUT_RING( dev_priv->back_offset + start ); - OUT_RING( clear_color ); - OUT_RING( 0 ); + if (flags & I810_BACK) { + BEGIN_LP_RING(6); + OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); + OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); + OUT_RING((height << 16) | width); + OUT_RING(dev_priv->back_offset + start); + OUT_RING(clear_color); + OUT_RING(0); ADVANCE_LP_RING(); } - if ( flags & I810_DEPTH ) { - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | - BR00_OP_COLOR_BLT | 0x3 ); - OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); - OUT_RING( (height << 16) | width ); - OUT_RING( dev_priv->depth_offset + start ); - OUT_RING( clear_zval ); - OUT_RING( 0 ); + if (flags & I810_DEPTH) { + BEGIN_LP_RING(6); + OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); + OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); + OUT_RING((height << 16) | width); + OUT_RING(dev_priv->depth_offset + start); + OUT_RING(clear_zval); + OUT_RING(0); ADVANCE_LP_RING(); } } } -static void i810_dma_dispatch_swap( drm_device_t *dev ) +static void i810_dma_dispatch_swap(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; int pitch = dev_priv->pitch; @@ -755,75 +745,71 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) DRM_DEBUG("swapbuffers\n"); - i810_kernel_lost_context(dev); + i810_kernel_lost_context(dev); - if (nbox > I810_NR_SAREA_CLIPRECTS) - nbox = I810_NR_SAREA_CLIPRECTS; + if (nbox > I810_NR_SAREA_CLIPRECTS) + nbox = I810_NR_SAREA_CLIPRECTS; - for (i = 0 ; i < nbox; i++, pbox++) - { + for (i = 0; i < nbox; i++, pbox++) { unsigned int w = pbox->x2 - pbox->x1; unsigned int h = pbox->y2 - pbox->y1; - unsigned int dst = pbox->x1*cpp + pbox->y1*pitch; + unsigned int dst = pbox->x1 * cpp + pbox->y1 * pitch; unsigned int start = dst; if (pbox->x1 > pbox->x2 || pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || - pbox->y2 > dev_priv->h) + pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) continue; - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 ); - OUT_RING( pitch | (0xCC << 16)); - OUT_RING( (h << 16) | (w * cpp)); + BEGIN_LP_RING(6); + OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4); + OUT_RING(pitch | (0xCC << 16)); + OUT_RING((h << 16) | (w * cpp)); if (dev_priv->current_page == 0) - OUT_RING(dev_priv->front_offset + start); + OUT_RING(dev_priv->front_offset + start); else - OUT_RING(dev_priv->back_offset + start); - OUT_RING( pitch ); + OUT_RING(dev_priv->back_offset + start); + OUT_RING(pitch); if (dev_priv->current_page == 0) - OUT_RING(dev_priv->back_offset + start); + OUT_RING(dev_priv->back_offset + start); else - OUT_RING(dev_priv->front_offset + start); + OUT_RING(dev_priv->front_offset + start); ADVANCE_LP_RING(); } } - -static void i810_dma_dispatch_vertex(drm_device_t *dev, - drm_buf_t *buf, - int discard, - int used) +static void i810_dma_dispatch_vertex(drm_device_t * dev, + drm_buf_t * buf, int discard, int used) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_clip_rect_t *box = sarea_priv->boxes; - int nbox = sarea_priv->nbox; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_clip_rect_t *box = sarea_priv->boxes; + int nbox = sarea_priv->nbox; unsigned long address = (unsigned long)buf->bus_address; unsigned long start = address - dev->agp->base; int i = 0; - RING_LOCALS; + RING_LOCALS; - i810_kernel_lost_context(dev); + i810_kernel_lost_context(dev); - if (nbox > I810_NR_SAREA_CLIPRECTS) + if (nbox > I810_NR_SAREA_CLIPRECTS) nbox = I810_NR_SAREA_CLIPRECTS; - if (used > 4*1024) + if (used > 4 * 1024) used = 0; if (sarea_priv->dirty) - i810EmitState( dev ); + i810EmitState(dev); if (buf_priv->currently_mapped == I810_BUF_MAPPED) { unsigned int prim = (sarea_priv->vertex_prim & PR_MASK); - *(u32 *)buf_priv->kernel_virtual = ((GFX_OP_PRIMITIVE | prim | ((used/4)-2))); + *(u32 *) buf_priv->kernel_virtual = + ((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2))); if (used & 4) { - *(u32 *)((u32)buf_priv->kernel_virtual + used) = 0; + *(u32 *) ((u32) buf_priv->kernel_virtual + used) = 0; used += 4; } @@ -834,19 +820,20 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, do { if (i < nbox) { BEGIN_LP_RING(4); - OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | - SC_ENABLE ); - OUT_RING( GFX_OP_SCISSOR_INFO ); - OUT_RING( box[i].x1 | (box[i].y1<<16) ); - OUT_RING( (box[i].x2-1) | ((box[i].y2-1)<<16) ); + OUT_RING(GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | + SC_ENABLE); + OUT_RING(GFX_OP_SCISSOR_INFO); + OUT_RING(box[i].x1 | (box[i].y1 << 16)); + OUT_RING((box[i].x2 - + 1) | ((box[i].y2 - 1) << 16)); ADVANCE_LP_RING(); } BEGIN_LP_RING(4); - OUT_RING( CMD_OP_BATCH_BUFFER ); - OUT_RING( start | BB1_PROTECTED ); - OUT_RING( start + used - 4 ); - OUT_RING( 0 ); + OUT_RING(CMD_OP_BATCH_BUFFER); + OUT_RING(start | BB1_PROTECTED); + OUT_RING(start + used - 4); + OUT_RING(0); ADVANCE_LP_RING(); } while (++i < nbox); @@ -855,59 +842,59 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, if (discard) { dev_priv->counter++; - (void) cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, - I810_BUF_HARDWARE); + (void)cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + I810_BUF_HARDWARE); BEGIN_LP_RING(8); - OUT_RING( CMD_STORE_DWORD_IDX ); - OUT_RING( 20 ); - OUT_RING( dev_priv->counter ); - OUT_RING( CMD_STORE_DWORD_IDX ); - OUT_RING( buf_priv->my_use_idx ); - OUT_RING( I810_BUF_FREE ); - OUT_RING( CMD_REPORT_HEAD ); - OUT_RING( 0 ); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(20); + OUT_RING(dev_priv->counter); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(buf_priv->my_use_idx); + OUT_RING(I810_BUF_FREE); + OUT_RING(CMD_REPORT_HEAD); + OUT_RING(0); ADVANCE_LP_RING(); } } -static void i810_dma_dispatch_flip( drm_device_t *dev ) +static void i810_dma_dispatch_flip(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; int pitch = dev_priv->pitch; RING_LOCALS; - DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", - __FUNCTION__, - dev_priv->current_page, - dev_priv->sarea_priv->pf_current_page); - - i810_kernel_lost_context(dev); + DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pf_current_page); + + i810_kernel_lost_context(dev); - BEGIN_LP_RING( 2 ); - OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); - OUT_RING( 0 ); + BEGIN_LP_RING(2); + OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); + OUT_RING(0); ADVANCE_LP_RING(); - BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 ); + BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2); /* On i815 at least ASYNC is buggy */ /* pitch<<5 is from 11.2.8 p158, its the pitch / 8 then left shifted 8, so (pitch >> 3) << 8 */ - OUT_RING( CMD_OP_FRONTBUFFER_INFO | (pitch<<5) /*| ASYNC_FLIP */ ); - if ( dev_priv->current_page == 0 ) { - OUT_RING( dev_priv->back_offset ); + OUT_RING(CMD_OP_FRONTBUFFER_INFO | (pitch << 5) /*| ASYNC_FLIP */ ); + if (dev_priv->current_page == 0) { + OUT_RING(dev_priv->back_offset); dev_priv->current_page = 1; } else { - OUT_RING( dev_priv->front_offset ); + OUT_RING(dev_priv->front_offset); dev_priv->current_page = 0; } OUT_RING(0); ADVANCE_LP_RING(); BEGIN_LP_RING(2); - OUT_RING( CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP ); - OUT_RING( 0 ); + OUT_RING(CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP); + OUT_RING(0); ADVANCE_LP_RING(); /* Increment the frame counter. The client-side 3D driver must @@ -918,46 +905,46 @@ static void i810_dma_dispatch_flip( drm_device_t *dev ) } -static void i810_dma_quiescent(drm_device_t *dev) +static void i810_dma_quiescent(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; - RING_LOCALS; + drm_i810_private_t *dev_priv = dev->dev_private; + RING_LOCALS; /* printk("%s\n", __FUNCTION__); */ - i810_kernel_lost_context(dev); + i810_kernel_lost_context(dev); - BEGIN_LP_RING(4); - OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); - OUT_RING( CMD_REPORT_HEAD ); - OUT_RING( 0 ); - OUT_RING( 0 ); - ADVANCE_LP_RING(); + BEGIN_LP_RING(4); + OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); + OUT_RING(CMD_REPORT_HEAD); + OUT_RING(0); + OUT_RING(0); + ADVANCE_LP_RING(); - i810_wait_ring( dev, dev_priv->ring.Size - 8 ); + i810_wait_ring(dev, dev_priv->ring.Size - 8); } -static int i810_flush_queue(drm_device_t *dev) +static int i810_flush_queue(drm_device_t * dev) { - drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; - int i, ret = 0; - RING_LOCALS; - + int i, ret = 0; + RING_LOCALS; + /* printk("%s\n", __FUNCTION__); */ - i810_kernel_lost_context(dev); + i810_kernel_lost_context(dev); - BEGIN_LP_RING(2); - OUT_RING( CMD_REPORT_HEAD ); - OUT_RING( 0 ); - ADVANCE_LP_RING(); + BEGIN_LP_RING(2); + OUT_RING(CMD_REPORT_HEAD); + OUT_RING(0); + ADVANCE_LP_RING(); - i810_wait_ring( dev, dev_priv->ring.Size - 8 ); + i810_wait_ring(dev, dev_priv->ring.Size - 8); - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, I810_BUF_FREE); @@ -968,24 +955,27 @@ static int i810_flush_queue(drm_device_t *dev) DRM_DEBUG("still on client\n"); } - return ret; + return ret; } /* Must be called with the lock held */ -void i810_reclaim_buffers(drm_device_t *dev, struct file *filp) +void i810_reclaim_buffers(drm_device_t * dev, struct file *filp) { drm_device_dma_t *dma = dev->dma; - int i; + int i; - if (!dma) return; - if (!dev->dev_private) return; - if (!dma->buflist) return; + if (!dma) + return; + if (!dev->dev_private) + return; + if (!dma->buflist) + return; - i810_flush_queue(dev); + i810_flush_queue(dev); for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_buf_t *buf = dma->buflist[i]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; if (buf->filp == filp && buf_priv) { int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, @@ -994,7 +984,7 @@ void i810_reclaim_buffers(drm_device_t *dev, struct file *filp) if (used == I810_BUF_CLIENT) DRM_DEBUG("reclaimed from client\n"); if (buf_priv->currently_mapped == I810_BUF_MAPPED) - buf_priv->currently_mapped = I810_BUF_UNMAPPED; + buf_priv->currently_mapped = I810_BUF_UNMAPPED; } } } @@ -1002,29 +992,29 @@ void i810_reclaim_buffers(drm_device_t *dev, struct file *filp) static int i810_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; LOCK_TEST_WITH_RETURN(dev, filp); - i810_flush_queue(dev); - return 0; + i810_flush_queue(dev); + return 0; } - static int i810_dma_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_device_dma_t *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_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))) + if (copy_from_user + (&vertex, (drm_i810_vertex_t __user *) arg, sizeof(vertex))) return -EFAULT; LOCK_TEST_WITH_RETURN(dev, filp); @@ -1032,48 +1022,46 @@ static int i810_dma_vertex(struct inode *inode, struct file *filp, DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", 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 ); + i810_dma_dispatch_vertex(dev, + 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]; + sarea_priv->last_enqueue = dev_priv->counter - 1; + sarea_priv->last_dispatch = (int)hw_status[5]; return 0; } - - static int i810_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_i810_clear_t clear; - if (copy_from_user(&clear, (drm_i810_clear_t __user *)arg, sizeof(clear))) + if (copy_from_user + (&clear, (drm_i810_clear_t __user *) arg, sizeof(clear))) return -EFAULT; LOCK_TEST_WITH_RETURN(dev, filp); - /* GH: Someone's doing nasty things... */ - if (!dev->dev_private) { - return -EINVAL; - } + /* 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 ); - return 0; + 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) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; @@ -1082,37 +1070,37 @@ static int i810_swap_bufs(struct inode *inode, struct file *filp, LOCK_TEST_WITH_RETURN(dev, filp); - i810_dma_dispatch_swap( dev ); - return 0; + i810_dma_dispatch_swap(dev); + return 0; } static int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *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 *) - dev_priv->sarea_priv; - - sarea_priv->last_dispatch = (int) hw_status[5]; + drm_file_t *priv = filp->private_data; + drm_device_t *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 *) + dev_priv->sarea_priv; + + sarea_priv->last_dispatch = (int)hw_status[5]; return 0; } static int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - int retcode = 0; - drm_i810_dma_t d; - 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))) + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode = 0; + drm_i810_dma_t d; + 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); @@ -1124,29 +1112,29 @@ static int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", current->pid, retcode, d.granted); - if (copy_to_user((drm_dma_t __user *)arg, &d, sizeof(d))) + if (copy_to_user((drm_dma_t __user *) arg, &d, sizeof(d))) return -EFAULT; - sarea_priv->last_dispatch = (int) hw_status[5]; + 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) + struct file *filp, unsigned int cmd, unsigned long arg) { /* 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) + unsigned long arg) { /* Never copy - 2.4.x doesn't need it */ return 0; } -static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used, - unsigned int last_render) +static void i810_dma_dispatch_mc(drm_device_t * dev, drm_buf_t * buf, int used, + unsigned int last_render) { drm_i810_private_t *dev_priv = dev->dev_private; drm_i810_buf_priv_t *buf_priv = buf->dev_private; @@ -1158,19 +1146,17 @@ static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used, i810_kernel_lost_context(dev); - u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, - I810_BUF_HARDWARE); + u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_HARDWARE); if (u != I810_BUF_CLIENT) { DRM_DEBUG("MC found buffer that isn't mine!\n"); } - if (used > 4*1024) + if (used > 4 * 1024) used = 0; sarea_priv->dirty = 0x7f; - DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n", - address, used); + DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n", address, used); dev_priv->counter++; DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); @@ -1181,46 +1167,45 @@ static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used, if (buf_priv->currently_mapped == I810_BUF_MAPPED) { if (used & 4) { - *(u32 *)((u32)buf_priv->virtual + used) = 0; + *(u32 *) ((u32) buf_priv->virtual + used) = 0; used += 4; } i810_unmap_buffer(buf); } BEGIN_LP_RING(4); - OUT_RING( CMD_OP_BATCH_BUFFER ); - OUT_RING( start | BB1_PROTECTED ); - OUT_RING( start + used - 4 ); - OUT_RING( 0 ); + OUT_RING(CMD_OP_BATCH_BUFFER); + OUT_RING(start | BB1_PROTECTED); + OUT_RING(start + used - 4); + OUT_RING(0); ADVANCE_LP_RING(); - BEGIN_LP_RING(8); - OUT_RING( CMD_STORE_DWORD_IDX ); - OUT_RING( buf_priv->my_use_idx ); - OUT_RING( I810_BUF_FREE ); - OUT_RING( 0 ); - - OUT_RING( CMD_STORE_DWORD_IDX ); - OUT_RING( 16 ); - OUT_RING( last_render ); - OUT_RING( 0 ); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(buf_priv->my_use_idx); + OUT_RING(I810_BUF_FREE); + OUT_RING(0); + + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(16); + OUT_RING(last_render); + OUT_RING(0); ADVANCE_LP_RING(); } static int i810_dma_mc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_device_dma_t *dma = dev->dma; - drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + 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; + dev_priv->sarea_priv; drm_i810_mc_t mc; - if (copy_from_user(&mc, (drm_i810_mc_t __user *)arg, sizeof(mc))) + if (copy_from_user(&mc, (drm_i810_mc_t __user *) arg, sizeof(mc))) return -EFAULT; LOCK_TEST_WITH_RETURN(dev, filp); @@ -1229,12 +1214,12 @@ static int i810_dma_mc(struct inode *inode, struct file *filp, return -EINVAL; i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used, - mc.last_render ); + mc.last_render); 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]; + sarea_priv->last_enqueue = dev_priv->counter - 1; + sarea_priv->last_dispatch = (int)hw_status[5]; return 0; } @@ -1244,22 +1229,23 @@ static int i810_rstatus(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - return (int)(((u32 *)(dev_priv->hw_status_page))[4]); + 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) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; drm_i810_overlay_t data; 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))) + if (copy_to_user + ((drm_i810_overlay_t __user *) arg, &data, sizeof(data))) return -EFAULT; return 0; } @@ -1269,7 +1255,7 @@ static int i810_fstatus(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; LOCK_TEST_WITH_RETURN(dev, filp); @@ -1277,47 +1263,46 @@ static int i810_fstatus(struct inode *inode, struct file *filp, } static int i810_ov0_flip(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; LOCK_TEST_WITH_RETURN(dev, filp); //Tell the overlay to update - I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000); + I810_WRITE(0x30000, dev_priv->overlay_physical | 0x80000000); return 0; } - /* Not sure why this isn't set all the time: - */ -static void i810_do_init_pageflip( drm_device_t *dev ) + */ +static void i810_do_init_pageflip(drm_device_t * dev) { drm_i810_private_t *dev_priv = dev->dev_private; - + DRM_DEBUG("%s\n", __FUNCTION__); dev_priv->page_flipping = 1; dev_priv->current_page = 0; dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; } -static int i810_do_cleanup_pageflip( drm_device_t *dev ) +static int i810_do_cleanup_pageflip(drm_device_t * dev) { drm_i810_private_t *dev_priv = dev->dev_private; DRM_DEBUG("%s\n", __FUNCTION__); if (dev_priv->current_page != 0) - i810_dma_dispatch_flip( dev ); + i810_dma_dispatch_flip(dev); dev_priv->page_flipping = 0; return 0; } static int i810_flip_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; @@ -1327,19 +1312,19 @@ static int i810_flip_bufs(struct inode *inode, struct file *filp, LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv->page_flipping) - i810_do_init_pageflip( dev ); + if (!dev_priv->page_flipping) + i810_do_init_pageflip(dev); - i810_dma_dispatch_flip( dev ); - return 0; + i810_dma_dispatch_flip(dev); + return 0; } -void i810_driver_pretakedown(drm_device_t *dev) +void i810_driver_pretakedown(drm_device_t * dev) { - i810_dma_cleanup( dev ); + i810_dma_cleanup(dev); } -void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp) +void i810_driver_prerelease(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_i810_private_t *dev_priv = dev->dev_private; @@ -1349,33 +1334,47 @@ void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp) } } -void i810_driver_release(drm_device_t *dev, struct file *filp) +void i810_driver_release(drm_device_t * dev, struct file *filp) { i810_reclaim_buffers(dev, filp); } -int i810_driver_dma_quiescent(drm_device_t *dev) +int i810_driver_dma_quiescent(drm_device_t * dev) { - i810_dma_quiescent( dev ); + i810_dma_quiescent(dev); return 0; } drm_ioctl_desc_t i810_ioctls[] = { - [DRM_IOCTL_NR(DRM_I810_INIT)] = { i810_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_GETAGE)] = { i810_getage, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_GETBUF)] = { i810_getbuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_COPY)] = { i810_copybuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = { i810_docopy, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = { i810_ov0_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = { i810_fstatus, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = { i810_ov0_flip, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_MC)] = { i810_dma_mc, 1, 1 }, - [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = { i810_rstatus, 1, 0 }, - [DRM_IOCTL_NR(DRM_I810_FLIP)] = { i810_flip_bufs, 1, 0 } + [DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, 1, 1} + , + [DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, 1, 1} + , + [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, 1, 0} + , + [DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, 1, 0} }; int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); |