diff options
Diffstat (limited to 'drivers/char/drm/i830_dma.c')
| -rw-r--r-- | drivers/char/drm/i830_dma.c | 1328 |
1 files changed, 660 insertions, 668 deletions
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c index 6f89d5796ef..e1107ecb16e 100644 --- a/drivers/char/drm/i830_dma.c +++ b/drivers/char/drm/i830_dma.c @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -47,103 +47,104 @@ #define I830_BUF_UNMAPPED 0 #define I830_BUF_MAPPED 1 -static drm_buf_t *i830_freelist_get(drm_device_t *dev) +static drm_buf_t *i830_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_i830_buf_priv_t *buf_priv = buf->dev_private; + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, + used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, I830_BUF_CLIENT); - if(used == I830_BUF_FREE) { + if (used == I830_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 i830_freelist_put(drm_device_t *dev, drm_buf_t *buf) +static int i830_freelist_put(drm_device_t * dev, drm_buf_t * buf) { - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - int used; - - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); - if(used != I830_BUF_CLIENT) { - DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); - return -EINVAL; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + int used; + + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); + if (used != I830_BUF_CLIENT) { + DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); + return -EINVAL; } - - return 0; + + return 0; } static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - drm_i830_private_t *dev_priv; - drm_buf_t *buf; + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i830_private_t *dev_priv; + drm_buf_t *buf; drm_i830_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 = I830_BUF_MAPPED; + + buf_priv->currently_mapped = I830_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 i830_buffer_fops = { - .open = drm_open, - .flush = drm_flush, + .open = drm_open, + .flush = drm_flush, .release = drm_release, - .ioctl = drm_ioctl, - .mmap = i830_mmap_buffers, - .fasync = drm_fasync, + .ioctl = drm_ioctl, + .mmap = i830_mmap_buffers, + .fasync = drm_fasync, }; -static int i830_map_buffer(drm_buf_t *buf, struct file *filp) +static int i830_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_i830_buf_priv_t *buf_priv = buf->dev_private; - drm_i830_private_t *dev_priv = dev->dev_private; - struct file_operations *old_fops; + drm_i830_private_t *dev_priv = dev->dev_private; + struct file_operations *old_fops; unsigned long virtual; int retcode = 0; - if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL; + if (buf_priv->currently_mapped == I830_BUF_MAPPED) + return -EINVAL; - down_write( ¤t->mm->mmap_sem ); + down_write(¤t->mm->mmap_sem); old_fops = filp->f_op; filp->f_op = &i830_buffer_fops; dev_priv->mmap_buffer = buf; - virtual = do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE, - MAP_SHARED, buf->bus_address); + virtual = do_mmap(filp, 0, buf->total, PROT_READ | PROT_WRITE, + MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; - if (IS_ERR((void *)virtual)) { /* ugh */ + if (IS_ERR((void *)virtual)) { /* ugh */ /* Real error */ DRM_ERROR("mmap error\n"); retcode = virtual; @@ -151,17 +152,17 @@ static int i830_map_buffer(drm_buf_t *buf, struct file *filp) } else { buf_priv->virtual = (void __user *)virtual; } - up_write( ¤t->mm->mmap_sem ); + up_write(¤t->mm->mmap_sem); return retcode; } -static int i830_unmap_buffer(drm_buf_t *buf) +static int i830_unmap_buffer(drm_buf_t * buf) { drm_i830_buf_priv_t *buf_priv = buf->dev_private; int retcode = 0; - if(buf_priv->currently_mapped != I830_BUF_MAPPED) + if (buf_priv->currently_mapped != I830_BUF_MAPPED) return -EINVAL; down_write(¤t->mm->mmap_sem); @@ -170,43 +171,43 @@ static int i830_unmap_buffer(drm_buf_t *buf) (size_t) buf->total); up_write(¤t->mm->mmap_sem); - buf_priv->currently_mapped = I830_BUF_UNMAPPED; - buf_priv->virtual = NULL; + buf_priv->currently_mapped = I830_BUF_UNMAPPED; + buf_priv->virtual = NULL; return retcode; } -static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, +static int i830_dma_get_buffer(drm_device_t * dev, drm_i830_dma_t * d, struct file *filp) { - drm_buf_t *buf; + drm_buf_t *buf; drm_i830_buf_priv_t *buf_priv; int retcode = 0; buf = i830_freelist_get(dev); if (!buf) { retcode = -ENOMEM; - DRM_DEBUG("retcode=%d\n", retcode); + DRM_DEBUG("retcode=%d\n", retcode); return retcode; } - + retcode = i830_map_buffer(buf, filp); - if(retcode) { + if (retcode) { i830_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; + 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 i830_dma_cleanup(drm_device_t *dev) +static int i830_dma_cleanup(drm_device_t * dev) { drm_device_dma_t *dma = dev->dma; @@ -214,140 +215,144 @@ static int i830_dma_cleanup(drm_device_t *dev) * may not have been called from userspace and after dev_private * is freed, it's too late. */ - if ( dev->irq_enabled ) drm_irq_uninstall(dev); + if (dev->irq_enabled) + drm_irq_uninstall(dev); if (dev->dev_private) { int i; - drm_i830_private_t *dev_priv = - (drm_i830_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_i830_private_t *dev_priv = + (drm_i830_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_ioremapfree((void *)dev_priv->ring.virtual_start, + dev_priv->ring.Size, dev); } - if (dev_priv->hw_status_page) { + 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 */ - I830_WRITE(0x02080, 0x1ffff000); + /* Need to rewrite hardware status page */ + I830_WRITE(0x02080, 0x1ffff000); } - drm_free(dev->dev_private, sizeof(drm_i830_private_t), + drm_free(dev->dev_private, sizeof(drm_i830_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_i830_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; } -int i830_wait_ring(drm_device_t *dev, int n, const char *caller) +int i830_wait_ring(drm_device_t * dev, int n, const char *caller) { - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_ring_buffer_t *ring = &(dev_priv->ring); - int iters = 0; - unsigned long end; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_ring_buffer_t *ring = &(dev_priv->ring); + int iters = 0; + unsigned long end; unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - end = jiffies + (HZ*3); - while (ring->space < n) { - ring->head = I830_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 = I830_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++; - if(time_before(end, jiffies)) { - DRM_ERROR("space: %d wanted %d\n", ring->space, n); - DRM_ERROR("lockup\n"); - goto out_wait_ring; + + iters++; + if (time_before(end, jiffies)) { + DRM_ERROR("space: %d wanted %d\n", ring->space, n); + DRM_ERROR("lockup\n"); + goto out_wait_ring; } udelay(1); dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; } -out_wait_ring: - return iters; + out_wait_ring: + return iters; } -static void i830_kernel_lost_context(drm_device_t *dev) +static void i830_kernel_lost_context(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_ring_buffer_t *ring = &(dev_priv->ring); - - ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; - ring->space = ring->head - (ring->tail+8); - if (ring->space < 0) ring->space += ring->Size; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_ring_buffer_t *ring = &(dev_priv->ring); + + ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->Size; if (ring->head == ring->tail) dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY; } -static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv) +static int i830_freelist_init(drm_device_t * dev, drm_i830_private_t * dev_priv) { - drm_device_dma_t *dma = dev->dma; - int my_idx = 36; - 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; + drm_device_dma_t *dma = dev->dma; + int my_idx = 36; + 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; } - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i830_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 = I830_BUF_FREE; + *buf_priv->in_use = I830_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, + buf->total, dev); } return 0; } -static int i830_dma_initialize(drm_device_t *dev, - drm_i830_private_t *dev_priv, - drm_i830_init_t *init) +static int i830_dma_initialize(drm_device_t * dev, + drm_i830_private_t * dev_priv, + drm_i830_init_t * init) { struct list_head *list; - memset(dev_priv, 0, sizeof(drm_i830_private_t)); + memset(dev_priv, 0, sizeof(drm_i830_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 && + 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) { + if (!dev_priv->sarea_map) { dev->dev_private = (void *)dev_priv; i830_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) { + if (!dev_priv->mmio_map) { dev->dev_private = (void *)dev_priv; i830_dma_cleanup(dev); DRM_ERROR("can not find mmio map!\n"); @@ -355,7 +360,7 @@ static int i830_dma_initialize(drm_device_t *dev, } dev->agp_buffer_token = init->buffers_offset; dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); - if(!dev->agp_buffer_map) { + if (!dev->agp_buffer_map) { dev->dev_private = (void *)dev_priv; i830_dma_cleanup(dev); DRM_ERROR("can not find dma buffer map!\n"); @@ -363,27 +368,26 @@ static int i830_dma_initialize(drm_device_t *dev, } dev_priv->sarea_priv = (drm_i830_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; - i830_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" + if (dev_priv->ring.virtual_start == NULL) { + dev->dev_private = (void *)dev_priv; + i830_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; dev_priv->pitch = init->pitch; @@ -395,10 +399,10 @@ static int i830_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; - DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1); + DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1); DRM_DEBUG("back_offset %x\n", dev_priv->back_offset); - DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1); - DRM_DEBUG("pitch_bits %x\n", init->pitch_bits); + DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1); + DRM_DEBUG("pitch_bits %x\n", init->pitch_bits); dev_priv->cpp = init->cpp; /* We are using separate values as placeholders for mechanisms for @@ -410,63 +414,64 @@ static int i830_dma_initialize(drm_device_t *dev, dev_priv->do_boxes = 0; dev_priv->use_mi_batchbuffer_start = 0; - /* 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; i830_dma_cleanup(dev); DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; } - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I830_WRITE(0x02080, dev_priv->dma_status_page); + + I830_WRITE(0x02080, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); - - /* Now we need to init our freelist */ - if(i830_freelist_init(dev, dev_priv) != 0) { + + /* Now we need to init our freelist */ + if (i830_freelist_init(dev, dev_priv) != 0) { dev->dev_private = (void *)dev_priv; - i830_dma_cleanup(dev); - DRM_ERROR("Not enough space in the status page for" + i830_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; } static int i830_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_i830_private_t *dev_priv; - drm_i830_init_t init; - int retcode = 0; - - if (copy_from_user(&init, (void * __user) arg, sizeof(init))) + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv; + drm_i830_init_t init; + int retcode = 0; + + if (copy_from_user(&init, (void *__user)arg, sizeof(init))) return -EFAULT; - - switch(init.func) { - case I830_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i830_private_t), - DRM_MEM_DRIVER); - if(dev_priv == NULL) return -ENOMEM; - retcode = i830_dma_initialize(dev, dev_priv, &init); - break; - case I830_CLEANUP_DMA: - retcode = i830_dma_cleanup(dev); - break; - default: - retcode = -EINVAL; - break; + + switch (init.func) { + case I830_INIT_DMA: + dev_priv = drm_alloc(sizeof(drm_i830_private_t), + DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + retcode = i830_dma_initialize(dev, dev_priv, &init); + break; + case I830_CLEANUP_DMA: + retcode = i830_dma_cleanup(dev); + break; + default: + retcode = -EINVAL; + break; } - - return retcode; + + return retcode; } #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) @@ -476,92 +481,89 @@ static int i830_dma_init(struct inode *inode, struct file *filp, /* Most efficient way to verify state for the i830 is as it is * emitted. Non-conformant state is silently dropped. */ -static void i830EmitContextVerified( drm_device_t *dev, - unsigned int *code ) +static void i830EmitContextVerified(drm_device_t * dev, unsigned int *code) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; RING_LOCALS; - BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 4 ); + BEGIN_LP_RING(I830_CTX_SETUP_SIZE + 4); - for ( i = 0 ; i < I830_CTXREG_BLENDCOLR0 ; i++ ) { + for (i = 0; i < I830_CTXREG_BLENDCOLR0; i++) { tmp = code[i]; - if ((tmp & (7<<29)) == CMD_3D && - (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + if ((tmp & (7 << 29)) == CMD_3D && + (tmp & (0x1f << 24)) < (0x1d << 24)) { + OUT_RING(tmp); j++; } else { DRM_ERROR("Skipping %d\n", i); } } - OUT_RING( STATE3D_CONST_BLEND_COLOR_CMD ); - OUT_RING( code[I830_CTXREG_BLENDCOLR] ); + OUT_RING(STATE3D_CONST_BLEND_COLOR_CMD); + OUT_RING(code[I830_CTXREG_BLENDCOLR]); j += 2; - for ( i = I830_CTXREG_VF ; i < I830_CTXREG_MCSB0 ; i++ ) { + for (i = I830_CTXREG_VF; i < I830_CTXREG_MCSB0; i++) { tmp = code[i]; - if ((tmp & (7<<29)) == CMD_3D && - (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + if ((tmp & (7 << 29)) == CMD_3D && + (tmp & (0x1f << 24)) < (0x1d << 24)) { + OUT_RING(tmp); j++; } else { DRM_ERROR("Skipping %d\n", i); } } - OUT_RING( STATE3D_MAP_COORD_SETBIND_CMD ); - OUT_RING( code[I830_CTXREG_MCSB1] ); + OUT_RING(STATE3D_MAP_COORD_SETBIND_CMD); + OUT_RING(code[I830_CTXREG_MCSB1]); j += 2; - if (j & 1) - OUT_RING( 0 ); + if (j & 1) + OUT_RING(0); ADVANCE_LP_RING(); } -static void i830EmitTexVerified( drm_device_t *dev, unsigned int *code ) +static void i830EmitTexVerified(drm_device_t * dev, unsigned int *code) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; RING_LOCALS; if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO || - (code[I830_TEXREG_MI0] & ~(0xf*LOAD_TEXTURE_MAP0)) == - (STATE3D_LOAD_STATE_IMMEDIATE_2|4)) { - - BEGIN_LP_RING( I830_TEX_SETUP_SIZE ); - - OUT_RING( code[I830_TEXREG_MI0] ); /* TM0LI */ - OUT_RING( code[I830_TEXREG_MI1] ); /* TM0S0 */ - OUT_RING( code[I830_TEXREG_MI2] ); /* TM0S1 */ - OUT_RING( code[I830_TEXREG_MI3] ); /* TM0S2 */ - OUT_RING( code[I830_TEXREG_MI4] ); /* TM0S3 */ - OUT_RING( code[I830_TEXREG_MI5] ); /* TM0S4 */ - - for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) { + (code[I830_TEXREG_MI0] & ~(0xf * LOAD_TEXTURE_MAP0)) == + (STATE3D_LOAD_STATE_IMMEDIATE_2 | 4)) { + + BEGIN_LP_RING(I830_TEX_SETUP_SIZE); + + OUT_RING(code[I830_TEXREG_MI0]); /* TM0LI */ + OUT_RING(code[I830_TEXREG_MI1]); /* TM0S0 */ + OUT_RING(code[I830_TEXREG_MI2]); /* TM0S1 */ + OUT_RING(code[I830_TEXREG_MI3]); /* TM0S2 */ + OUT_RING(code[I830_TEXREG_MI4]); /* TM0S3 */ + OUT_RING(code[I830_TEXREG_MI5]); /* TM0S4 */ + + for (i = 6; i < I830_TEX_SETUP_SIZE; i++) { tmp = code[i]; - OUT_RING( tmp ); + OUT_RING(tmp); j++; - } + } - if (j & 1) - OUT_RING( 0 ); + if (j & 1) + OUT_RING(0); ADVANCE_LP_RING(); - } - else + } else printk("rejected packet %x\n", code[0]); } -static void i830EmitTexBlendVerified( drm_device_t *dev, - unsigned int *code, - unsigned int num) +static void i830EmitTexBlendVerified(drm_device_t * dev, + unsigned int *code, unsigned int num) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; RING_LOCALS; @@ -569,59 +571,54 @@ static void i830EmitTexBlendVerified( drm_device_t *dev, if (!num) return; - BEGIN_LP_RING( num + 1 ); + BEGIN_LP_RING(num + 1); - for ( i = 0 ; i < num ; i++ ) { + for (i = 0; i < num; i++) { tmp = code[i]; - OUT_RING( tmp ); + OUT_RING(tmp); j++; } - if (j & 1) - OUT_RING( 0 ); + if (j & 1) + OUT_RING(0); ADVANCE_LP_RING(); } -static void i830EmitTexPalette( drm_device_t *dev, - unsigned int *palette, - int number, - int is_shared ) +static void i830EmitTexPalette(drm_device_t * dev, + unsigned int *palette, int number, int is_shared) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; int i; RING_LOCALS; return; - BEGIN_LP_RING( 258 ); + BEGIN_LP_RING(258); - if(is_shared == 1) { + if (is_shared == 1) { OUT_RING(CMD_OP_MAP_PALETTE_LOAD | - MAP_PALETTE_NUM(0) | - MAP_PALETTE_BOTH); + MAP_PALETTE_NUM(0) | MAP_PALETTE_BOTH); } else { OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number)); } - for(i = 0; i < 256; i++) { + for (i = 0; i < 256; i++) { OUT_RING(palette[i]); } OUT_RING(0); - /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop! + /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop! */ } /* Need to do some additional checking when setting the dest buffer. */ -static void i830EmitDestVerified( drm_device_t *dev, - unsigned int *code ) -{ - drm_i830_private_t *dev_priv = dev->dev_private; +static void i830EmitDestVerified(drm_device_t * dev, unsigned int *code) +{ + drm_i830_private_t *dev_priv = dev->dev_private; unsigned int tmp; RING_LOCALS; - BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 10 ); - + BEGIN_LP_RING(I830_DEST_SETUP_SIZE + 10); tmp = code[I830_DESTREG_CBUFADDR]; if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { @@ -630,18 +627,18 @@ static void i830EmitDestVerified( drm_device_t *dev, OUT_RING(0); } - OUT_RING( CMD_OP_DESTBUFFER_INFO ); - OUT_RING( BUF_3D_ID_COLOR_BACK | - BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) | - BUF_3D_USE_FENCE); - OUT_RING( tmp ); - OUT_RING( 0 ); - - OUT_RING( CMD_OP_DESTBUFFER_INFO ); - OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | - BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp)); - OUT_RING( dev_priv->zi1 ); - OUT_RING( 0 ); + OUT_RING(CMD_OP_DESTBUFFER_INFO); + OUT_RING(BUF_3D_ID_COLOR_BACK | + BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) | + BUF_3D_USE_FENCE); + OUT_RING(tmp); + OUT_RING(0); + + OUT_RING(CMD_OP_DESTBUFFER_INFO); + OUT_RING(BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | + BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp)); + OUT_RING(dev_priv->zi1); + OUT_RING(0); } else { DRM_ERROR("bad di1 %x (allow %x or %x)\n", tmp, dev_priv->front_di1, dev_priv->back_di1); @@ -650,83 +647,80 @@ static void i830EmitDestVerified( drm_device_t *dev, /* invarient: */ + OUT_RING(GFX_OP_DESTBUFFER_VARS); + OUT_RING(code[I830_DESTREG_DV1]); - OUT_RING( GFX_OP_DESTBUFFER_VARS ); - OUT_RING( code[I830_DESTREG_DV1] ); - - OUT_RING( GFX_OP_DRAWRECT_INFO ); - OUT_RING( code[I830_DESTREG_DR1] ); - OUT_RING( code[I830_DESTREG_DR2] ); - OUT_RING( code[I830_DESTREG_DR3] ); - OUT_RING( code[I830_DESTREG_DR4] ); + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(code[I830_DESTREG_DR1]); + OUT_RING(code[I830_DESTREG_DR2]); + OUT_RING(code[I830_DESTREG_DR3]); + OUT_RING(code[I830_DESTREG_DR4]); /* Need to verify this */ tmp = code[I830_DESTREG_SENABLE]; - if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) { - OUT_RING( tmp ); + if ((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) { + OUT_RING(tmp); } else { DRM_ERROR("bad scissor enable\n"); - OUT_RING( 0 ); + OUT_RING(0); } - OUT_RING( GFX_OP_SCISSOR_RECT ); - OUT_RING( code[I830_DESTREG_SR1] ); - OUT_RING( code[I830_DESTREG_SR2] ); - OUT_RING( 0 ); + OUT_RING(GFX_OP_SCISSOR_RECT); + OUT_RING(code[I830_DESTREG_SR1]); + OUT_RING(code[I830_DESTREG_SR2]); + OUT_RING(0); ADVANCE_LP_RING(); } -static void i830EmitStippleVerified( drm_device_t *dev, - unsigned int *code ) +static void i830EmitStippleVerified(drm_device_t * dev, unsigned int *code) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; RING_LOCALS; - BEGIN_LP_RING( 2 ); - OUT_RING( GFX_OP_STIPPLE ); - OUT_RING( code[1] ); - ADVANCE_LP_RING(); + BEGIN_LP_RING(2); + OUT_RING(GFX_OP_STIPPLE); + OUT_RING(code[1]); + ADVANCE_LP_RING(); } - -static void i830EmitState( drm_device_t *dev ) +static void i830EmitState(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; DRM_DEBUG("%s %x\n", __FUNCTION__, dirty); if (dirty & I830_UPLOAD_BUFFERS) { - i830EmitDestVerified( dev, sarea_priv->BufferState ); + i830EmitDestVerified(dev, sarea_priv->BufferState); sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS; } if (dirty & I830_UPLOAD_CTX) { - i830EmitContextVerified( dev, sarea_priv->ContextState ); + i830EmitContextVerified(dev, sarea_priv->ContextState); sarea_priv->dirty &= ~I830_UPLOAD_CTX; } if (dirty & I830_UPLOAD_TEX0) { - i830EmitTexVerified( dev, sarea_priv->TexState[0] ); + i830EmitTexVerified(dev, sarea_priv->TexState[0]); sarea_priv->dirty &= ~I830_UPLOAD_TEX0; } if (dirty & I830_UPLOAD_TEX1) { - i830EmitTexVerified( dev, sarea_priv->TexState[1] ); + i830EmitTexVerified(dev, sarea_priv->TexState[1]); sarea_priv->dirty &= ~I830_UPLOAD_TEX1; } if (dirty & I830_UPLOAD_TEXBLEND0) { - i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0], - sarea_priv->TexBlendStateWordsUsed[0]); + i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[0], + sarea_priv->TexBlendStateWordsUsed[0]); sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0; } if (dirty & I830_UPLOAD_TEXBLEND1) { - i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1], - sarea_priv->TexBlendStateWordsUsed[1]); + i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[1], + sarea_priv->TexBlendStateWordsUsed[1]); sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1; } @@ -759,36 +753,32 @@ static void i830EmitState( drm_device_t *dev ) /* 1.3: */ if (dirty & I830_UPLOAD_STIPPLE) { - i830EmitStippleVerified( dev, - sarea_priv->StippleState); + i830EmitStippleVerified(dev, sarea_priv->StippleState); sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE; } if (dirty & I830_UPLOAD_TEX2) { - i830EmitTexVerified( dev, sarea_priv->TexState2 ); + i830EmitTexVerified(dev, sarea_priv->TexState2); sarea_priv->dirty &= ~I830_UPLOAD_TEX2; } if (dirty & I830_UPLOAD_TEX3) { - i830EmitTexVerified( dev, sarea_priv->TexState3 ); + i830EmitTexVerified(dev, sarea_priv->TexState3); sarea_priv->dirty &= ~I830_UPLOAD_TEX3; } - if (dirty & I830_UPLOAD_TEXBLEND2) { - i830EmitTexBlendVerified( - dev, - sarea_priv->TexBlendState2, - sarea_priv->TexBlendStateWordsUsed2); + i830EmitTexBlendVerified(dev, + sarea_priv->TexBlendState2, + sarea_priv->TexBlendStateWordsUsed2); sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2; } if (dirty & I830_UPLOAD_TEXBLEND3) { - i830EmitTexBlendVerified( - dev, - sarea_priv->TexBlendState3, - sarea_priv->TexBlendStateWordsUsed3); + i830EmitTexBlendVerified(dev, + sarea_priv->TexBlendState3, + sarea_priv->TexBlendStateWordsUsed3); sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3; } } @@ -797,97 +787,96 @@ static void i830EmitState( drm_device_t *dev ) * Performance monitoring functions */ -static void i830_fill_box( drm_device_t *dev, - int x, int y, int w, int h, - int r, int g, int b ) +static void i830_fill_box(drm_device_t * dev, + int x, int y, int w, int h, int r, int g, int b) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; u32 color; unsigned int BR13, CMD; RING_LOCALS; - BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1<<24); + BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1 << 24); CMD = XY_COLOR_BLT_CMD; x += dev_priv->sarea_priv->boxes[0].x1; y += dev_priv->sarea_priv->boxes[0].y1; if (dev_priv->cpp == 4) { - BR13 |= (1<<25); + BR13 |= (1 << 25); CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB); - color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); } else { color = (((r & 0xf8) << 8) | - ((g & 0xfc) << 3) | - ((b & 0xf8) >> 3)); + ((g & 0xfc) << 3) | ((b & 0xf8) >> 3)); } - BEGIN_LP_RING( 6 ); - OUT_RING( CMD ); - OUT_RING( BR13 ); - OUT_RING( (y << 16) | x ); - OUT_RING( ((y+h) << 16) | (x+w) ); + BEGIN_LP_RING(6); + OUT_RING(CMD); + OUT_RING(BR13); + OUT_RING((y << 16) | x); + OUT_RING(((y + h) << 16) | (x + w)); - if ( dev_priv->current_page == 1 ) { - OUT_RING( dev_priv->front_offset ); - } else { - OUT_RING( dev_priv->back_offset ); - } + if (dev_priv->current_page == 1) { + OUT_RING(dev_priv->front_offset); + } else { + OUT_RING(dev_priv->back_offset); + } - OUT_RING( color ); + OUT_RING(color); ADVANCE_LP_RING(); } -static void i830_cp_performance_boxes( drm_device_t *dev ) +static void i830_cp_performance_boxes(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; /* Purple box for page flipping */ - if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP ) - i830_fill_box( dev, 4, 4, 8, 8, 255, 0, 255 ); + if (dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP) + i830_fill_box(dev, 4, 4, 8, 8, 255, 0, 255); /* Red box if we have to wait for idle at any point */ - if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT ) - i830_fill_box( dev, 16, 4, 8, 8, 255, 0, 0 ); + if (dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT) + i830_fill_box(dev, 16, 4, 8, 8, 255, 0, 0); /* Blue box: lost context? */ - if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT ) - i830_fill_box( dev, 28, 4, 8, 8, 0, 0, 255 ); + if (dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT) + i830_fill_box(dev, 28, 4, 8, 8, 0, 0, 255); /* Yellow box for texture swaps */ - if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD ) - i830_fill_box( dev, 40, 4, 8, 8, 255, 255, 0 ); + if (dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD) + i830_fill_box(dev, 40, 4, 8, 8, 255, 255, 0); /* Green box if hardware never idles (as far as we can tell) */ - if ( !(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY) ) - i830_fill_box( dev, 64, 4, 8, 8, 0, 255, 0 ); - + if (!(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY)) + i830_fill_box(dev, 64, 4, 8, 8, 0, 255, 0); - /* Draw bars indicating number of buffers allocated + /* Draw bars indicating number of buffers allocated * (not a great measure, easily confused) */ if (dev_priv->dma_used) { int bar = dev_priv->dma_used / 10240; - if (bar > 100) bar = 100; - if (bar < 1) bar = 1; - i830_fill_box( dev, 4, 16, bar, 4, 196, 128, 128 ); + if (bar > 100) + bar = 100; + if (bar < 1) + bar = 1; + i830_fill_box(dev, 4, 16, bar, 4, 196, 128, 128); dev_priv->dma_used = 0; } dev_priv->sarea_priv->perf_boxes = 0; } -static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, +static void i830_dma_dispatch_clear(drm_device_t * dev, int flags, unsigned int clear_color, unsigned int clear_zval, unsigned int clear_depthmask) { - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_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; @@ -896,90 +885,90 @@ static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, unsigned int BR13, CMD, D_CMD; RING_LOCALS; - - if ( dev_priv->current_page == 1 ) { + if (dev_priv->current_page == 1) { unsigned int tmp = flags; flags &= ~(I830_FRONT | I830_BACK); - if ( tmp & I830_FRONT ) flags |= I830_BACK; - if ( tmp & I830_BACK ) flags |= I830_FRONT; + if (tmp & I830_FRONT) + flags |= I830_BACK; + if (tmp & I830_BACK) + flags |= I830_FRONT; } - i830_kernel_lost_context(dev); + i830_kernel_lost_context(dev); - switch(cpp) { - case 2: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24); + switch (cpp) { + case 2: + BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); D_CMD = CMD = XY_COLOR_BLT_CMD; break; case 4: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25); - CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | + BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25); + CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB); D_CMD = XY_COLOR_BLT_CMD; - if(clear_depthmask & 0x00ffffff) + if (clear_depthmask & 0x00ffffff) D_CMD |= XY_COLOR_BLT_WRITE_RGB; - if(clear_depthmask & 0xff000000) + if (clear_depthmask & 0xff000000) D_CMD |= XY_COLOR_BLT_WRITE_ALPHA; break; default: - BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24); + BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); D_CMD = CMD = XY_COLOR_BLT_CMD; break; } - if (nbox > I830_NR_SAREA_CLIPRECTS) - nbox = I830_NR_SAREA_CLIPRECTS; + if (nbox > I830_NR_SAREA_CLIPRECTS) + nbox = I830_NR_SAREA_CLIPRECTS; - for (i = 0 ; i < nbox ; i++, pbox++) { + for (i = 0; i < nbox; i++, pbox++) { 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 & I830_FRONT ) { - DRM_DEBUG("clear front\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( CMD ); - OUT_RING( BR13 ); - OUT_RING( (pbox->y1 << 16) | pbox->x1 ); - OUT_RING( (pbox->y2 << 16) | pbox->x2 ); - OUT_RING( dev_priv->front_offset ); - OUT_RING( clear_color ); + if (flags & I830_FRONT) { + DRM_DEBUG("clear front\n"); + BEGIN_LP_RING(6); + OUT_RING(CMD); + OUT_RING(BR13); + OUT_RING((pbox->y1 << 16) | pbox->x1); + OUT_RING((pbox->y2 << 16) | pbox->x2); + OUT_RING(dev_priv->front_offset); + OUT_RING(clear_color); ADVANCE_LP_RING(); } - if ( flags & I830_BACK ) { + if (flags & I830_BACK) { DRM_DEBUG("clear back\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( CMD ); - OUT_RING( BR13 ); - OUT_RING( (pbox->y1 << 16) | pbox->x1 ); - OUT_RING( (pbox->y2 << 16) | pbox->x2 ); - OUT_RING( dev_priv->back_offset ); - OUT_RING( clear_color ); + BEGIN_LP_RING(6); + OUT_RING(CMD); + OUT_RING(BR13); + OUT_RING((pbox->y1 << 16) | pbox->x1); + OUT_RING((pbox->y2 << 16) | pbox->x2); + OUT_RING(dev_priv->back_offset); + OUT_RING(clear_color); ADVANCE_LP_RING(); } - if ( flags & I830_DEPTH ) { + if (flags & I830_DEPTH) { DRM_DEBUG("clear depth\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( D_CMD ); - OUT_RING( BR13 ); - OUT_RING( (pbox->y1 << 16) | pbox->x1 ); - OUT_RING( (pbox->y2 << 16) | pbox->x2 ); - OUT_RING( dev_priv->depth_offset ); - OUT_RING( clear_zval ); + BEGIN_LP_RING(6); + OUT_RING(D_CMD); + OUT_RING(BR13); + OUT_RING((pbox->y1 << 16) | pbox->x1); + OUT_RING((pbox->y2 << 16) | pbox->x2); + OUT_RING(dev_priv->depth_offset); + OUT_RING(clear_zval); ADVANCE_LP_RING(); } } } -static void i830_dma_dispatch_swap( drm_device_t *dev ) +static void i830_dma_dispatch_swap(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_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; @@ -990,202 +979,192 @@ static void i830_dma_dispatch_swap( drm_device_t *dev ) DRM_DEBUG("swapbuffers\n"); - i830_kernel_lost_context(dev); + i830_kernel_lost_context(dev); if (dev_priv->do_boxes) - i830_cp_performance_boxes( dev ); + i830_cp_performance_boxes(dev); - switch(cpp) { - case 2: - BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24); + switch (cpp) { + case 2: + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); CMD = XY_SRC_COPY_BLT_CMD; break; case 4: - BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25); + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | XY_SRC_COPY_BLT_WRITE_RGB); break; default: - BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24); + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); CMD = XY_SRC_COPY_BLT_CMD; break; } + if (nbox > I830_NR_SAREA_CLIPRECTS) + nbox = I830_NR_SAREA_CLIPRECTS; - if (nbox > I830_NR_SAREA_CLIPRECTS) - nbox = I830_NR_SAREA_CLIPRECTS; - - for (i = 0 ; i < nbox; i++, pbox++) - { + for (i = 0; i < nbox; i++, pbox++) { 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; - + DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", - pbox->x1, pbox->y1, - pbox->x2, pbox->y2); + pbox->x1, pbox->y1, pbox->x2, pbox->y2); - BEGIN_LP_RING( 8 ); - OUT_RING( CMD ); - OUT_RING( BR13 ); - OUT_RING( (pbox->y1 << 16) | pbox->x1 ); - OUT_RING( (pbox->y2 << 16) | pbox->x2 ); + BEGIN_LP_RING(8); + OUT_RING(CMD); + OUT_RING(BR13); + OUT_RING((pbox->y1 << 16) | pbox->x1); + OUT_RING((pbox->y2 << 16) | pbox->x2); - if (dev_priv->current_page == 0) - OUT_RING( dev_priv->front_offset ); + if (dev_priv->current_page == 0) + OUT_RING(dev_priv->front_offset); else - OUT_RING( dev_priv->back_offset ); + OUT_RING(dev_priv->back_offset); - OUT_RING( (pbox->y1 << 16) | pbox->x1 ); - OUT_RING( BR13 & 0xffff ); + OUT_RING((pbox->y1 << 16) | pbox->x1); + OUT_RING(BR13 & 0xffff); - if (dev_priv->current_page == 0) - OUT_RING( dev_priv->back_offset ); + if (dev_priv->current_page == 0) + OUT_RING(dev_priv->back_offset); else - OUT_RING( dev_priv->front_offset ); + OUT_RING(dev_priv->front_offset); ADVANCE_LP_RING(); } } -static void i830_dma_dispatch_flip( drm_device_t *dev ) +static void i830_dma_dispatch_flip(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; RING_LOCALS; - DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", - __FUNCTION__, - dev_priv->current_page, - dev_priv->sarea_priv->pf_current_page); + DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pf_current_page); - i830_kernel_lost_context(dev); + i830_kernel_lost_context(dev); if (dev_priv->do_boxes) { dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP; - i830_cp_performance_boxes( dev ); + i830_cp_performance_boxes(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( 6 ); - OUT_RING( CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP ); - OUT_RING( 0 ); - if ( dev_priv->current_page == 0 ) { - OUT_RING( dev_priv->back_offset ); + BEGIN_LP_RING(6); + OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); + OUT_RING(0); + 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( MI_WAIT_FOR_EVENT | - MI_WAIT_FOR_PLANE_A_FLIP ); - OUT_RING( 0 ); + BEGIN_LP_RING(2); + OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); + OUT_RING(0); ADVANCE_LP_RING(); - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; } -static void i830_dma_dispatch_vertex(drm_device_t *dev, - drm_buf_t *buf, - int discard, - int used) +static void i830_dma_dispatch_vertex(drm_device_t * dev, + drm_buf_t * buf, int discard, int used) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; drm_i830_buf_priv_t *buf_priv = buf->dev_private; - drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_clip_rect_t *box = sarea_priv->boxes; - int nbox = sarea_priv->nbox; + drm_i830_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; + unsigned long start = address - dev->agp->base; int i = 0, u; - RING_LOCALS; + RING_LOCALS; - i830_kernel_lost_context(dev); + i830_kernel_lost_context(dev); - if (nbox > I830_NR_SAREA_CLIPRECTS) + if (nbox > I830_NR_SAREA_CLIPRECTS) nbox = I830_NR_SAREA_CLIPRECTS; if (discard) { - u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_HARDWARE); - if(u != I830_BUF_CLIENT) { + if (u != I830_BUF_CLIENT) { DRM_DEBUG("xxxx 2\n"); } } - if (used > 4*1023) + if (used > 4 * 1023) used = 0; if (sarea_priv->dirty) - i830EmitState( dev ); + i830EmitState(dev); - DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", + DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", address, used, nbox); - dev_priv->counter++; - DRM_DEBUG( "dispatch counter : %ld\n", dev_priv->counter); - DRM_DEBUG( "i830_dma_dispatch\n"); - DRM_DEBUG( "start : %lx\n", start); - DRM_DEBUG( "used : %d\n", used); - DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4); + dev_priv->counter++; + DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); + DRM_DEBUG("i830_dma_dispatch\n"); + DRM_DEBUG("start : %lx\n", start); + DRM_DEBUG("used : %d\n", used); + DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4); if (buf_priv->currently_mapped == I830_BUF_MAPPED) { u32 *vp = buf_priv->kernel_virtual; vp[0] = (GFX_OP_PRIMITIVE | - sarea_priv->vertex_prim | - ((used/4)-2)); + sarea_priv->vertex_prim | ((used / 4) - 2)); if (dev_priv->use_mi_batchbuffer_start) { - vp[used/4] = MI_BATCH_BUFFER_END; - used += 4; + vp[used / 4] = MI_BATCH_BUFFER_END; + used += 4; } - + if (used & 4) { - vp[used/4] = 0; + vp[used / 4] = 0; used += 4; } i830_unmap_buffer(buf); } - + if (used) { do { if (i < nbox) { BEGIN_LP_RING(6); - OUT_RING( GFX_OP_DRAWRECT_INFO ); - OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] ); - OUT_RING( box[i].x1 | (box[i].y1<<16) ); - OUT_RING( box[i].x2 | (box[i].y2<<16) ); - OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] ); - OUT_RING( 0 ); + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(sarea_priv-> + BufferState[I830_DESTREG_DR1]); + OUT_RING(box[i].x1 | (box[i].y1 << 16)); + OUT_RING(box[i].x2 | (box[i].y2 << 16)); + OUT_RING(sarea_priv-> + BufferState[I830_DESTREG_DR4]); + OUT_RING(0); ADVANCE_LP_RING(); } if (dev_priv->use_mi_batchbuffer_start) { BEGIN_LP_RING(2); - OUT_RING( MI_BATCH_BUFFER_START | (2<<6) ); - OUT_RING( start | MI_BATCH_NON_SECURE ); + OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); + OUT_RING(start | MI_BATCH_NON_SECURE); ADVANCE_LP_RING(); - } - else { + } else { BEGIN_LP_RING(4); - OUT_RING( MI_BATCH_BUFFER ); - OUT_RING( start | MI_BATCH_NON_SECURE ); - OUT_RING( start + used - 4 ); - OUT_RING( 0 ); + OUT_RING(MI_BATCH_BUFFER); + OUT_RING(start | MI_BATCH_NON_SECURE); + OUT_RING(start + used - 4); + OUT_RING(0); ADVANCE_LP_RING(); } @@ -1195,61 +1174,60 @@ static void i830_dma_dispatch_vertex(drm_device_t *dev, if (discard) { dev_priv->counter++; - (void) cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, - I830_BUF_HARDWARE); + (void)cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + I830_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( I830_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(I830_BUF_FREE); + OUT_RING(CMD_REPORT_HEAD); + OUT_RING(0); ADVANCE_LP_RING(); } } - -static void i830_dma_quiescent(drm_device_t *dev) +static void i830_dma_quiescent(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; - RING_LOCALS; + drm_i830_private_t *dev_priv = dev->dev_private; + RING_LOCALS; - i830_kernel_lost_context(dev); + i830_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(); - i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ ); + i830_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); } -static int i830_flush_queue(drm_device_t *dev) +static int i830_flush_queue(drm_device_t * dev) { - drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; - int i, ret = 0; - RING_LOCALS; - - i830_kernel_lost_context(dev); - - BEGIN_LP_RING(2); - OUT_RING( CMD_REPORT_HEAD ); - OUT_RING( 0 ); - ADVANCE_LP_RING(); - - i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ ); - - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - - int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, + int i, ret = 0; + RING_LOCALS; + + i830_kernel_lost_context(dev); + + BEGIN_LP_RING(2); + OUT_RING(CMD_REPORT_HEAD); + OUT_RING(0); + ADVANCE_LP_RING(); + + i830_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[i]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + + int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, I830_BUF_FREE); if (used == I830_BUF_HARDWARE) @@ -1258,62 +1236,66 @@ static int i830_flush_queue(drm_device_t *dev) DRM_DEBUG("still on client\n"); } - return ret; + return ret; } /* Must be called with the lock held */ -void i830_reclaim_buffers(drm_device_t *dev, struct file *filp) +void i830_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; - i830_flush_queue(dev); + i830_flush_queue(dev); for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_i830_buf_priv_t *buf_priv = buf->dev_private; - + drm_buf_t *buf = dma->buflist[i]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + if (buf->filp == filp && buf_priv) { - int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); if (used == I830_BUF_CLIENT) DRM_DEBUG("reclaimed from client\n"); - if(buf_priv->currently_mapped == I830_BUF_MAPPED) - buf_priv->currently_mapped = I830_BUF_UNMAPPED; + if (buf_priv->currently_mapped == I830_BUF_MAPPED) + buf_priv->currently_mapped = I830_BUF_UNMAPPED; } } } -static int i830_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int i830_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); - i830_flush_queue(dev); - return 0; + i830_flush_queue(dev); + return 0; } static int i830_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_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) - dev_priv->sarea_priv; + drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; drm_i830_vertex_t vertex; - if (copy_from_user(&vertex, (drm_i830_vertex_t __user *)arg, sizeof(vertex))) + if (copy_from_user + (&vertex, (drm_i830_vertex_t __user *) arg, sizeof(vertex))) return -EFAULT; LOCK_TEST_WITH_RETURN(dev, filp); @@ -1321,15 +1303,16 @@ static int i830_dma_vertex(struct inode *inode, struct file *filp, DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", vertex.idx, vertex.used, vertex.discard); - if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL; + if (vertex.idx < 0 || vertex.idx > dma->buf_count) + return -EINVAL; - i830_dma_dispatch_vertex( dev, - dma->buflist[ vertex.idx ], - vertex.discard, vertex.used ); + i830_dma_dispatch_vertex(dev, + dma->buflist[vertex.idx], + vertex.discard, vertex.used); + + 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; } @@ -1340,9 +1323,10 @@ static int i830_clear_bufs(struct inode *inode, struct file *filp, drm_device_t *dev = priv->head->dev; drm_i830_clear_t clear; - if (copy_from_user(&clear, (drm_i830_clear_t __user *)arg, sizeof(clear))) + if (copy_from_user + (&clear, (drm_i830_clear_t __user *) arg, sizeof(clear))) return -EFAULT; - + LOCK_TEST_WITH_RETURN(dev, filp); /* GH: Someone's doing nasty things... */ @@ -1350,11 +1334,10 @@ static int i830_clear_bufs(struct inode *inode, struct file *filp, return -EINVAL; } - i830_dma_dispatch_clear( dev, clear.flags, - clear.clear_color, - clear.clear_depth, - clear.clear_depthmask); - return 0; + i830_dma_dispatch_clear(dev, clear.flags, + clear.clear_color, + clear.clear_depth, clear.clear_depthmask); + return 0; } static int i830_swap_bufs(struct inode *inode, struct file *filp, @@ -1362,20 +1345,18 @@ static int i830_swap_bufs(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - + DRM_DEBUG("i830_swap_bufs\n"); LOCK_TEST_WITH_RETURN(dev, filp); - i830_dma_dispatch_swap( dev ); - return 0; + i830_dma_dispatch_swap(dev); + return 0; } - - /* Not sure why this isn't set all the time: - */ -static void i830_do_init_pageflip( drm_device_t *dev ) + */ +static void i830_do_init_pageflip(drm_device_t * dev) { drm_i830_private_t *dev_priv = dev->dev_private; @@ -1385,20 +1366,20 @@ static void i830_do_init_pageflip( drm_device_t *dev ) dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; } -static int i830_do_cleanup_pageflip( drm_device_t *dev ) +static int i830_do_cleanup_pageflip(drm_device_t * dev) { drm_i830_private_t *dev_priv = dev->dev_private; DRM_DEBUG("%s\n", __FUNCTION__); if (dev_priv->current_page != 0) - i830_dma_dispatch_flip( dev ); + i830_dma_dispatch_flip(dev); dev_priv->page_flipping = 0; return 0; } static int i830_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; @@ -1408,45 +1389,45 @@ static int i830_flip_bufs(struct inode *inode, struct file *filp, LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv->page_flipping) - i830_do_init_pageflip( dev ); + if (!dev_priv->page_flipping) + i830_do_init_pageflip(dev); - i830_dma_dispatch_flip( dev ); - return 0; + i830_dma_dispatch_flip(dev); + return 0; } static int i830_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_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_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_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; + + sarea_priv->last_dispatch = (int)hw_status[5]; return 0; } static int i830_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_i830_dma_t d; - drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) - dev_priv->sarea_priv; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode = 0; + drm_i830_dma_t d; + drm_i830_private_t *dev_priv = (drm_i830_private_t *) dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; DRM_DEBUG("getbuf\n"); - if (copy_from_user(&d, (drm_i830_dma_t __user *)arg, sizeof(d))) + if (copy_from_user(&d, (drm_i830_dma_t __user *) arg, sizeof(d))) return -EFAULT; - + LOCK_TEST_WITH_RETURN(dev, filp); - + d.granted = 0; retcode = i830_dma_get_buffer(dev, &d, filp); @@ -1454,46 +1435,45 @@ static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, DRM_DEBUG("i830_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 i830_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 i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { return 0; } - - -static int i830_getparam( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) +static int i830_getparam(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; drm_i830_private_t *dev_priv = dev->dev_private; drm_i830_getparam_t param; int value; - if ( !dev_priv ) { - DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } - if (copy_from_user(¶m, (drm_i830_getparam_t __user *)arg, sizeof(param) )) + if (copy_from_user + (¶m, (drm_i830_getparam_t __user *) arg, sizeof(param))) return -EFAULT; - switch( param.param ) { + switch (param.param) { case I830_PARAM_IRQ_ACTIVE: value = dev->irq_enabled; break; @@ -1501,32 +1481,32 @@ static int i830_getparam( struct inode *inode, struct file *filp, return -EINVAL; } - if ( copy_to_user( param.value, &value, sizeof(int) ) ) { - DRM_ERROR( "copy_to_user\n" ); + if (copy_to_user(param.value, &value, sizeof(int))) { + DRM_ERROR("copy_to_user\n"); return -EFAULT; } - + return 0; } - -static int i830_setparam( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) +static int i830_setparam(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; drm_i830_private_t *dev_priv = dev->dev_private; drm_i830_setparam_t param; - if ( !dev_priv ) { - DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return -EINVAL; } - if (copy_from_user(¶m, (drm_i830_setparam_t __user *)arg, sizeof(param) )) + if (copy_from_user + (¶m, (drm_i830_setparam_t __user *) arg, sizeof(param))) return -EFAULT; - switch( param.param ) { + switch (param.param) { case I830_SETPARAM_USE_MI_BATCHBUFFER_START: dev_priv->use_mi_batchbuffer_start = param.value; break; @@ -1537,13 +1517,12 @@ static int i830_setparam( struct inode *inode, struct file *filp, return 0; } - -void i830_driver_pretakedown(drm_device_t *dev) +void i830_driver_pretakedown(drm_device_t * dev) { - i830_dma_cleanup( dev ); + i830_dma_cleanup(dev); } -void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp) +void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_i830_private_t *dev_priv = dev->dev_private; @@ -1553,32 +1532,45 @@ void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp) } } -void i830_driver_release(drm_device_t *dev, struct file *filp) +void i830_driver_release(drm_device_t * dev, struct file *filp) { i830_reclaim_buffers(dev, filp); } -int i830_driver_dma_quiescent(drm_device_t *dev) +int i830_driver_dma_quiescent(drm_device_t * dev) { - i830_dma_quiescent( dev ); + i830_dma_quiescent(dev); return 0; } drm_ioctl_desc_t i830_ioctls[] = { - [DRM_IOCTL_NR(DRM_I830_INIT)] = { i830_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_GETAGE)] = { i830_getage, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_GETBUF)] = { i830_getbuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_COPY)] = { i830_copybuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = { i830_docopy, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_FLIP)] = { i830_flip_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = { i830_irq_emit, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = { i830_irq_wait, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = { i830_getparam, 1, 0 }, - [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = { i830_setparam, 1, 0 } + [DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, 1, 1} + , + [DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, 1, 0} + , + [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, 1, 0} }; int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); |