mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1266 lines
32 KiB
1266 lines
32 KiB
/* i810_dma.c -- DMA support for the i810 -*- linux-c -*- |
|
* Created: Mon Dec 13 01:50:01 1999 by [email protected] |
|
* |
|
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
|
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
|
* All Rights Reserved. |
|
* |
|
* Permission is hereby granted, free of charge, to any person obtaining a |
|
* copy of this software and associated documentation files (the "Software"), |
|
* to deal in the Software without restriction, including without limitation |
|
* 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 |
|
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
* DEALINGS IN THE SOFTWARE. |
|
* |
|
* Authors: Rickard E. (Rik) Faith <[email protected]> |
|
* Jeff Hartmann <[email protected]> |
|
* Keith Whitwell <[email protected]> |
|
* |
|
*/ |
|
|
|
#include <linux/delay.h> |
|
#include <linux/mman.h> |
|
#include <linux/pci.h> |
|
|
|
#include <drm/drm_device.h> |
|
#include <drm/drm_drv.h> |
|
#include <drm/drm_file.h> |
|
#include <drm/drm_ioctl.h> |
|
#include <drm/drm_print.h> |
|
#include <drm/i810_drm.h> |
|
|
|
#include "i810_drv.h" |
|
|
|
#define I810_BUF_FREE 2 |
|
#define I810_BUF_CLIENT 1 |
|
#define I810_BUF_HARDWARE 0 |
|
|
|
#define I810_BUF_UNMAPPED 0 |
|
#define I810_BUF_MAPPED 1 |
|
|
|
static struct drm_buf *i810_freelist_get(struct drm_device * dev) |
|
{ |
|
struct drm_device_dma *dma = dev->dma; |
|
int i; |
|
int used; |
|
|
|
/* Linear search might not be the best solution */ |
|
|
|
for (i = 0; i < dma->buf_count; i++) { |
|
struct drm_buf *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, |
|
I810_BUF_CLIENT); |
|
if (used == I810_BUF_FREE) |
|
return buf; |
|
} |
|
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(struct drm_device *dev, struct drm_buf *buf) |
|
{ |
|
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); |
|
if (used != I810_BUF_CLIENT) { |
|
DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) |
|
{ |
|
struct drm_file *priv = filp->private_data; |
|
struct drm_device *dev; |
|
drm_i810_private_t *dev_priv; |
|
struct drm_buf *buf; |
|
drm_i810_buf_priv_t *buf_priv; |
|
|
|
dev = priv->minor->dev; |
|
dev_priv = dev->dev_private; |
|
buf = dev_priv->mmap_buffer; |
|
buf_priv = buf->dev_private; |
|
|
|
vma->vm_flags |= VM_DONTCOPY; |
|
|
|
buf_priv->currently_mapped = I810_BUF_MAPPED; |
|
|
|
if (io_remap_pfn_range(vma, vma->vm_start, |
|
vma->vm_pgoff, |
|
vma->vm_end - vma->vm_start, vma->vm_page_prot)) |
|
return -EAGAIN; |
|
return 0; |
|
} |
|
|
|
static const struct file_operations i810_buffer_fops = { |
|
.open = drm_open, |
|
.release = drm_release, |
|
.unlocked_ioctl = drm_ioctl, |
|
.mmap = i810_mmap_buffers, |
|
.compat_ioctl = drm_compat_ioctl, |
|
.llseek = noop_llseek, |
|
}; |
|
|
|
static int i810_map_buffer(struct drm_buf *buf, struct drm_file *file_priv) |
|
{ |
|
struct drm_device *dev = file_priv->minor->dev; |
|
drm_i810_buf_priv_t *buf_priv = buf->dev_private; |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
const struct file_operations *old_fops; |
|
int retcode = 0; |
|
|
|
if (buf_priv->currently_mapped == I810_BUF_MAPPED) |
|
return -EINVAL; |
|
|
|
/* This is all entirely broken */ |
|
old_fops = file_priv->filp->f_op; |
|
file_priv->filp->f_op = &i810_buffer_fops; |
|
dev_priv->mmap_buffer = buf; |
|
buf_priv->virtual = (void *)vm_mmap(file_priv->filp, 0, buf->total, |
|
PROT_READ | PROT_WRITE, |
|
MAP_SHARED, buf->bus_address); |
|
dev_priv->mmap_buffer = NULL; |
|
file_priv->filp->f_op = old_fops; |
|
if (IS_ERR(buf_priv->virtual)) { |
|
/* Real error */ |
|
DRM_ERROR("mmap error\n"); |
|
retcode = PTR_ERR(buf_priv->virtual); |
|
buf_priv->virtual = NULL; |
|
} |
|
|
|
return retcode; |
|
} |
|
|
|
static int i810_unmap_buffer(struct drm_buf *buf) |
|
{ |
|
drm_i810_buf_priv_t *buf_priv = buf->dev_private; |
|
int retcode = 0; |
|
|
|
if (buf_priv->currently_mapped != I810_BUF_MAPPED) |
|
return -EINVAL; |
|
|
|
retcode = vm_munmap((unsigned long)buf_priv->virtual, |
|
(size_t) buf->total); |
|
|
|
buf_priv->currently_mapped = I810_BUF_UNMAPPED; |
|
buf_priv->virtual = NULL; |
|
|
|
return retcode; |
|
} |
|
|
|
static int i810_dma_get_buffer(struct drm_device *dev, drm_i810_dma_t *d, |
|
struct drm_file *file_priv) |
|
{ |
|
struct drm_buf *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); |
|
return retcode; |
|
} |
|
|
|
retcode = i810_map_buffer(buf, file_priv); |
|
if (retcode) { |
|
i810_freelist_put(dev, buf); |
|
DRM_ERROR("mapbuf failed, retcode %d\n", retcode); |
|
return retcode; |
|
} |
|
buf->file_priv = file_priv; |
|
buf_priv = buf->dev_private; |
|
d->granted = 1; |
|
d->request_idx = buf->idx; |
|
d->request_size = buf->total; |
|
d->virtual = buf_priv->virtual; |
|
|
|
return retcode; |
|
} |
|
|
|
static int i810_dma_cleanup(struct drm_device *dev) |
|
{ |
|
struct drm_device_dma *dma = dev->dma; |
|
|
|
/* Make sure interrupts are disabled here because the uninstall ioctl |
|
* may not have been called from userspace and after dev_private |
|
* is freed, it's too late. |
|
*/ |
|
if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ) && dev->irq_enabled) |
|
drm_legacy_irq_uninstall(dev); |
|
|
|
if (dev->dev_private) { |
|
int i; |
|
drm_i810_private_t *dev_priv = |
|
(drm_i810_private_t *) dev->dev_private; |
|
|
|
if (dev_priv->ring.virtual_start) |
|
drm_legacy_ioremapfree(&dev_priv->ring.map, dev); |
|
if (dev_priv->hw_status_page) { |
|
dma_free_coherent(dev->dev, PAGE_SIZE, |
|
dev_priv->hw_status_page, |
|
dev_priv->dma_status_page); |
|
} |
|
kfree(dev->dev_private); |
|
dev->dev_private = NULL; |
|
|
|
for (i = 0; i < dma->buf_count; i++) { |
|
struct drm_buf *buf = dma->buflist[i]; |
|
drm_i810_buf_priv_t *buf_priv = buf->dev_private; |
|
|
|
if (buf_priv->kernel_virtual && buf->total) |
|
drm_legacy_ioremapfree(&buf_priv->map, dev); |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static int i810_wait_ring(struct drm_device *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; |
|
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; |
|
|
|
if (ring->head != last_head) { |
|
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; |
|
} |
|
udelay(1); |
|
} |
|
|
|
out_wait_ring: |
|
return iters; |
|
} |
|
|
|
static void i810_kernel_lost_context(struct drm_device *dev) |
|
{ |
|
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; |
|
} |
|
|
|
static int i810_freelist_init(struct drm_device *dev, drm_i810_private_t *dev_priv) |
|
{ |
|
struct drm_device_dma *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; |
|
} |
|
|
|
for (i = 0; i < dma->buf_count; i++) { |
|
struct drm_buf *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 = I810_BUF_FREE; |
|
|
|
buf_priv->map.offset = buf->bus_address; |
|
buf_priv->map.size = buf->total; |
|
buf_priv->map.type = _DRM_AGP; |
|
buf_priv->map.flags = 0; |
|
buf_priv->map.mtrr = 0; |
|
|
|
drm_legacy_ioremap(&buf_priv->map, dev); |
|
buf_priv->kernel_virtual = buf_priv->map.handle; |
|
|
|
} |
|
return 0; |
|
} |
|
|
|
static int i810_dma_initialize(struct drm_device *dev, |
|
drm_i810_private_t *dev_priv, |
|
drm_i810_init_t *init) |
|
{ |
|
struct drm_map_list *r_list; |
|
memset(dev_priv, 0, sizeof(drm_i810_private_t)); |
|
|
|
list_for_each_entry(r_list, &dev->maplist, head) { |
|
if (r_list->map && |
|
r_list->map->type == _DRM_SHM && |
|
r_list->map->flags & _DRM_CONTAINS_LOCK) { |
|
dev_priv->sarea_map = r_list->map; |
|
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; |
|
} |
|
dev_priv->mmio_map = drm_legacy_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; |
|
} |
|
dev->agp_buffer_token = init->buffers_offset; |
|
dev->agp_buffer_map = drm_legacy_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; |
|
} |
|
|
|
dev_priv->sarea_priv = (drm_i810_sarea_t *) |
|
((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.map.offset = dev->agp->base + init->ring_start; |
|
dev_priv->ring.map.size = init->ring_size; |
|
dev_priv->ring.map.type = _DRM_AGP; |
|
dev_priv->ring.map.flags = 0; |
|
dev_priv->ring.map.mtrr = 0; |
|
|
|
drm_legacy_ioremap(&dev_priv->ring.map, dev); |
|
|
|
if (dev_priv->ring.map.handle == NULL) { |
|
dev->dev_private = (void *)dev_priv; |
|
i810_dma_cleanup(dev); |
|
DRM_ERROR("can not ioremap virtual address for" |
|
" ring buffer\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
dev_priv->ring.virtual_start = dev_priv->ring.map.handle; |
|
|
|
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; |
|
dev_priv->back_offset = init->back_offset; |
|
dev_priv->depth_offset = init->depth_offset; |
|
dev_priv->front_offset = init->front_offset; |
|
|
|
dev_priv->overlay_offset = init->overlay_offset; |
|
dev_priv->overlay_physical = init->overlay_physical; |
|
|
|
dev_priv->front_di1 = init->front_offset | init->pitch_bits; |
|
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 = |
|
dma_alloc_coherent(dev->dev, PAGE_SIZE, |
|
&dev_priv->dma_status_page, GFP_KERNEL); |
|
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; |
|
} |
|
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"); |
|
|
|
/* 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" |
|
" the freelist\n"); |
|
return -ENOMEM; |
|
} |
|
dev->dev_private = (void *)dev_priv; |
|
|
|
return 0; |
|
} |
|
|
|
static int i810_dma_init(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv; |
|
drm_i810_init_t *init = data; |
|
int retcode = 0; |
|
|
|
switch (init->func) { |
|
case I810_INIT_DMA_1_4: |
|
DRM_INFO("Using v1.4 init.\n"); |
|
dev_priv = kmalloc(sizeof(drm_i810_private_t), GFP_KERNEL); |
|
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; |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
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(struct drm_device *dev, |
|
volatile unsigned int *code) |
|
{ |
|
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); |
|
|
|
OUT_RING(GFX_OP_COLOR_FACTOR); |
|
OUT_RING(code[I810_CTXREG_CF1]); |
|
|
|
OUT_RING(GFX_OP_STIPPLE); |
|
OUT_RING(code[I810_CTXREG_ST1]); |
|
|
|
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); |
|
j++; |
|
} else |
|
printk("constext state dropped!!!\n"); |
|
} |
|
|
|
if (j & 1) |
|
OUT_RING(0); |
|
|
|
ADVANCE_LP_RING(); |
|
} |
|
|
|
static void i810EmitTexVerified(struct drm_device *dev, volatile unsigned int *code) |
|
{ |
|
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); |
|
|
|
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++) { |
|
tmp = code[i]; |
|
|
|
if ((tmp & (7 << 29)) == (3 << 29) && |
|
(tmp & (0x1f << 24)) < (0x1d << 24)) { |
|
OUT_RING(tmp); |
|
j++; |
|
} else |
|
printk("texture state dropped!!!\n"); |
|
} |
|
|
|
if (j & 1) |
|
OUT_RING(0); |
|
|
|
ADVANCE_LP_RING(); |
|
} |
|
|
|
/* Need to do some additional checking when setting the dest buffer. |
|
*/ |
|
static void i810EmitDestVerified(struct drm_device *dev, |
|
volatile unsigned int *code) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
unsigned int tmp; |
|
RING_LOCALS; |
|
|
|
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); |
|
} else |
|
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(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); |
|
|
|
ADVANCE_LP_RING(); |
|
} |
|
|
|
static void i810EmitState(struct drm_device *dev) |
|
{ |
|
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("%x\n", dirty); |
|
|
|
if (dirty & I810_UPLOAD_BUFFERS) { |
|
i810EmitDestVerified(dev, sarea_priv->BufferState); |
|
sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS; |
|
} |
|
|
|
if (dirty & I810_UPLOAD_CTX) { |
|
i810EmitContextVerified(dev, sarea_priv->ContextState); |
|
sarea_priv->dirty &= ~I810_UPLOAD_CTX; |
|
} |
|
|
|
if (dirty & I810_UPLOAD_TEX0) { |
|
i810EmitTexVerified(dev, sarea_priv->TexState[0]); |
|
sarea_priv->dirty &= ~I810_UPLOAD_TEX0; |
|
} |
|
|
|
if (dirty & I810_UPLOAD_TEX1) { |
|
i810EmitTexVerified(dev, sarea_priv->TexState[1]); |
|
sarea_priv->dirty &= ~I810_UPLOAD_TEX1; |
|
} |
|
} |
|
|
|
/* need to verify |
|
*/ |
|
static void i810_dma_dispatch_clear(struct drm_device *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; |
|
int nbox = sarea_priv->nbox; |
|
struct drm_clip_rect *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; |
|
|
|
flags &= ~(I810_FRONT | I810_BACK); |
|
if (tmp & I810_FRONT) |
|
flags |= I810_BACK; |
|
if (tmp & I810_BACK) |
|
flags |= I810_FRONT; |
|
} |
|
|
|
i810_kernel_lost_context(dev); |
|
|
|
if (nbox > I810_NR_SAREA_CLIPRECTS) |
|
nbox = I810_NR_SAREA_CLIPRECTS; |
|
|
|
for (i = 0; i < nbox; i++, pbox++) { |
|
unsigned int x = pbox->x1; |
|
unsigned int y = pbox->y1; |
|
unsigned int width = (pbox->x2 - x) * cpp; |
|
unsigned int height = pbox->y2 - y; |
|
unsigned int start = y * pitch + x * cpp; |
|
|
|
if (pbox->x1 > pbox->x2 || |
|
pbox->y1 > pbox->y2 || |
|
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); |
|
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); |
|
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); |
|
ADVANCE_LP_RING(); |
|
} |
|
} |
|
} |
|
|
|
static void i810_dma_dispatch_swap(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; |
|
int nbox = sarea_priv->nbox; |
|
struct drm_clip_rect *pbox = sarea_priv->boxes; |
|
int pitch = dev_priv->pitch; |
|
int cpp = 2; |
|
int i; |
|
RING_LOCALS; |
|
|
|
DRM_DEBUG("swapbuffers\n"); |
|
|
|
i810_kernel_lost_context(dev); |
|
|
|
if (nbox > I810_NR_SAREA_CLIPRECTS) |
|
nbox = I810_NR_SAREA_CLIPRECTS; |
|
|
|
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 start = dst; |
|
|
|
if (pbox->x1 > pbox->x2 || |
|
pbox->y1 > pbox->y2 || |
|
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)); |
|
if (dev_priv->current_page == 0) |
|
OUT_RING(dev_priv->front_offset + start); |
|
else |
|
OUT_RING(dev_priv->back_offset + start); |
|
OUT_RING(pitch); |
|
if (dev_priv->current_page == 0) |
|
OUT_RING(dev_priv->back_offset + start); |
|
else |
|
OUT_RING(dev_priv->front_offset + start); |
|
ADVANCE_LP_RING(); |
|
} |
|
} |
|
|
|
static void i810_dma_dispatch_vertex(struct drm_device *dev, |
|
struct drm_buf *buf, int discard, int used) |
|
{ |
|
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; |
|
struct drm_clip_rect *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; |
|
|
|
i810_kernel_lost_context(dev); |
|
|
|
if (nbox > I810_NR_SAREA_CLIPRECTS) |
|
nbox = I810_NR_SAREA_CLIPRECTS; |
|
|
|
if (used < 0 || used > 4 * 1024) |
|
used = 0; |
|
|
|
if (sarea_priv->dirty) |
|
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))); |
|
|
|
if (used & 4) { |
|
*(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0; |
|
used += 4; |
|
} |
|
|
|
i810_unmap_buffer(buf); |
|
} |
|
|
|
if (used) { |
|
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)); |
|
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); |
|
ADVANCE_LP_RING(); |
|
|
|
} while (++i < nbox); |
|
} |
|
|
|
if (discard) { |
|
dev_priv->counter++; |
|
|
|
(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); |
|
ADVANCE_LP_RING(); |
|
} |
|
} |
|
|
|
static void i810_dma_dispatch_flip(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
int pitch = dev_priv->pitch; |
|
RING_LOCALS; |
|
|
|
DRM_DEBUG("page=%d pfCurrentPage=%d\n", |
|
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); |
|
ADVANCE_LP_RING(); |
|
|
|
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); |
|
dev_priv->current_page = 1; |
|
} else { |
|
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); |
|
ADVANCE_LP_RING(); |
|
|
|
/* Increment the frame counter. The client-side 3D driver must |
|
* throttle the framerate by waiting for this value before |
|
* performing the swapbuffer ioctl. |
|
*/ |
|
dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
|
|
|
} |
|
|
|
static void i810_dma_quiescent(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
RING_LOCALS; |
|
|
|
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(); |
|
|
|
i810_wait_ring(dev, dev_priv->ring.Size - 8); |
|
} |
|
|
|
static void i810_flush_queue(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
struct drm_device_dma *dma = dev->dma; |
|
int i; |
|
RING_LOCALS; |
|
|
|
i810_kernel_lost_context(dev); |
|
|
|
BEGIN_LP_RING(2); |
|
OUT_RING(CMD_REPORT_HEAD); |
|
OUT_RING(0); |
|
ADVANCE_LP_RING(); |
|
|
|
i810_wait_ring(dev, dev_priv->ring.Size - 8); |
|
|
|
for (i = 0; i < dma->buf_count; i++) { |
|
struct drm_buf *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); |
|
|
|
if (used == I810_BUF_HARDWARE) |
|
DRM_DEBUG("reclaimed from HARDWARE\n"); |
|
if (used == I810_BUF_CLIENT) |
|
DRM_DEBUG("still on client\n"); |
|
} |
|
|
|
return; |
|
} |
|
|
|
/* Must be called with the lock held */ |
|
void i810_driver_reclaim_buffers(struct drm_device *dev, |
|
struct drm_file *file_priv) |
|
{ |
|
struct drm_device_dma *dma = dev->dma; |
|
int i; |
|
|
|
if (!dma) |
|
return; |
|
if (!dev->dev_private) |
|
return; |
|
if (!dma->buflist) |
|
return; |
|
|
|
i810_flush_queue(dev); |
|
|
|
for (i = 0; i < dma->buf_count; i++) { |
|
struct drm_buf *buf = dma->buflist[i]; |
|
drm_i810_buf_priv_t *buf_priv = buf->dev_private; |
|
|
|
if (buf->file_priv == file_priv && buf_priv) { |
|
int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, |
|
I810_BUF_FREE); |
|
|
|
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; |
|
} |
|
} |
|
} |
|
|
|
static int i810_flush_ioctl(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
i810_flush_queue(dev); |
|
return 0; |
|
} |
|
|
|
static int i810_dma_vertex(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
struct drm_device_dma *dma = dev->dma; |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
u32 *hw_status = dev_priv->hw_status_page; |
|
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) |
|
dev_priv->sarea_priv; |
|
drm_i810_vertex_t *vertex = data; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
DRM_DEBUG("idx %d used %d discard %d\n", |
|
vertex->idx, vertex->used, vertex->discard); |
|
|
|
if (vertex->idx < 0 || vertex->idx >= dma->buf_count) |
|
return -EINVAL; |
|
|
|
i810_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]; |
|
|
|
return 0; |
|
} |
|
|
|
static int i810_clear_bufs(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_clear_t *clear = data; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
/* GH: Someone's doing nasty things... */ |
|
if (!dev->dev_private) |
|
return -EINVAL; |
|
|
|
i810_dma_dispatch_clear(dev, clear->flags, |
|
clear->clear_color, clear->clear_depth); |
|
return 0; |
|
} |
|
|
|
static int i810_swap_bufs(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
DRM_DEBUG("\n"); |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
i810_dma_dispatch_swap(dev); |
|
return 0; |
|
} |
|
|
|
static int i810_getage(struct drm_device *dev, void *data, |
|
struct drm_file *file_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; |
|
|
|
sarea_priv->last_dispatch = (int)hw_status[5]; |
|
return 0; |
|
} |
|
|
|
static int i810_getbuf(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
int retcode = 0; |
|
drm_i810_dma_t *d = data; |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
u32 *hw_status = dev_priv->hw_status_page; |
|
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) |
|
dev_priv->sarea_priv; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
d->granted = 0; |
|
|
|
retcode = i810_dma_get_buffer(dev, d, file_priv); |
|
|
|
DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", |
|
task_pid_nr(current), retcode, d->granted); |
|
|
|
sarea_priv->last_dispatch = (int)hw_status[5]; |
|
|
|
return retcode; |
|
} |
|
|
|
static int i810_copybuf(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
/* Never copy - 2.4.x doesn't need it */ |
|
return 0; |
|
} |
|
|
|
static int i810_docopy(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
/* Never copy - 2.4.x doesn't need it */ |
|
return 0; |
|
} |
|
|
|
static void i810_dma_dispatch_mc(struct drm_device *dev, struct drm_buf *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; |
|
drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; |
|
unsigned long address = (unsigned long)buf->bus_address; |
|
unsigned long start = address - dev->agp->base; |
|
int u; |
|
RING_LOCALS; |
|
|
|
i810_kernel_lost_context(dev); |
|
|
|
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 < 0 || used > 4 * 1024) |
|
used = 0; |
|
|
|
sarea_priv->dirty = 0x7f; |
|
|
|
DRM_DEBUG("addr 0x%lx, used 0x%x\n", address, used); |
|
|
|
dev_priv->counter++; |
|
DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); |
|
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 == I810_BUF_MAPPED) { |
|
if (used & 4) { |
|
*(u32 *) ((char *) 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); |
|
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); |
|
ADVANCE_LP_RING(); |
|
} |
|
|
|
static int i810_dma_mc(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
struct drm_device_dma *dma = dev->dma; |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
u32 *hw_status = dev_priv->hw_status_page; |
|
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) |
|
dev_priv->sarea_priv; |
|
drm_i810_mc_t *mc = data; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
if (mc->idx >= dma->buf_count || mc->idx < 0) |
|
return -EINVAL; |
|
|
|
i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used, |
|
mc->last_render); |
|
|
|
sarea_priv->last_enqueue = dev_priv->counter - 1; |
|
sarea_priv->last_dispatch = (int)hw_status[5]; |
|
|
|
return 0; |
|
} |
|
|
|
static int i810_rstatus(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
|
|
return (int)(((u32 *) (dev_priv->hw_status_page))[4]); |
|
} |
|
|
|
static int i810_ov0_info(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
drm_i810_overlay_t *ov = data; |
|
|
|
ov->offset = dev_priv->overlay_offset; |
|
ov->physical = dev_priv->overlay_physical; |
|
|
|
return 0; |
|
} |
|
|
|
static int i810_fstatus(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
return I810_READ(0x30008); |
|
} |
|
|
|
static int i810_ov0_flip(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
/* Tell the overlay to update */ |
|
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(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
|
|
DRM_DEBUG("\n"); |
|
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(struct drm_device *dev) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
|
|
DRM_DEBUG("\n"); |
|
if (dev_priv->current_page != 0) |
|
i810_dma_dispatch_flip(dev); |
|
|
|
dev_priv->page_flipping = 0; |
|
return 0; |
|
} |
|
|
|
static int i810_flip_bufs(struct drm_device *dev, void *data, |
|
struct drm_file *file_priv) |
|
{ |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
|
|
DRM_DEBUG("\n"); |
|
|
|
LOCK_TEST_WITH_RETURN(dev, file_priv); |
|
|
|
if (!dev_priv->page_flipping) |
|
i810_do_init_pageflip(dev); |
|
|
|
i810_dma_dispatch_flip(dev); |
|
return 0; |
|
} |
|
|
|
int i810_driver_load(struct drm_device *dev, unsigned long flags) |
|
{ |
|
struct pci_dev *pdev = to_pci_dev(dev->dev); |
|
|
|
dev->agp = drm_legacy_agp_init(dev); |
|
if (dev->agp) { |
|
dev->agp->agp_mtrr = arch_phys_wc_add( |
|
dev->agp->agp_info.aper_base, |
|
dev->agp->agp_info.aper_size * |
|
1024 * 1024); |
|
} |
|
|
|
/* Our userspace depends upon the agp mapping support. */ |
|
if (!dev->agp) |
|
return -EINVAL; |
|
|
|
pci_set_master(pdev); |
|
|
|
return 0; |
|
} |
|
|
|
void i810_driver_lastclose(struct drm_device *dev) |
|
{ |
|
i810_dma_cleanup(dev); |
|
} |
|
|
|
void i810_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) |
|
{ |
|
if (dev->dev_private) { |
|
drm_i810_private_t *dev_priv = dev->dev_private; |
|
if (dev_priv->page_flipping) |
|
i810_do_cleanup_pageflip(dev); |
|
} |
|
|
|
if (file_priv->master && file_priv->master->lock.hw_lock) { |
|
drm_legacy_idlelock_take(&file_priv->master->lock); |
|
i810_driver_reclaim_buffers(dev, file_priv); |
|
drm_legacy_idlelock_release(&file_priv->master->lock); |
|
} else { |
|
/* master disappeared, clean up stuff anyway and hope nothing |
|
* goes wrong */ |
|
i810_driver_reclaim_buffers(dev, file_priv); |
|
} |
|
|
|
} |
|
|
|
int i810_driver_dma_quiescent(struct drm_device *dev) |
|
{ |
|
i810_dma_quiescent(dev); |
|
return 0; |
|
} |
|
|
|
const struct drm_ioctl_desc i810_ioctls[] = { |
|
DRM_IOCTL_DEF_DRV(I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_VERTEX, i810_dma_vertex, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_CLEAR, i810_clear_bufs, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_FLUSH, i810_flush_ioctl, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_GETAGE, i810_getage, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_GETBUF, i810_getbuf, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_SWAP, i810_swap_bufs, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_COPY, i810_copybuf, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_DOCOPY, i810_docopy, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_OV0INFO, i810_ov0_info, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_FSTATUS, i810_fstatus, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_OV0FLIP, i810_ov0_flip, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_RSTATUS, i810_rstatus, DRM_AUTH|DRM_UNLOCKED), |
|
DRM_IOCTL_DEF_DRV(I810_FLIP, i810_flip_bufs, DRM_AUTH|DRM_UNLOCKED), |
|
}; |
|
|
|
int i810_max_ioctl = ARRAY_SIZE(i810_ioctls);
|
|
|