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-rw-r--r--drivers/char/drm/i830_dma.c1553
1 files changed, 0 insertions, 1553 deletions
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
deleted file mode 100644
index a86ab30b4620..000000000000
--- a/drivers/char/drm/i830_dma.c
+++ /dev/null
@@ -1,1553 +0,0 @@
-/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * 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 <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keith@tungstengraphics.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-#include <linux/interrupt.h> /* For task queue support */
-#include <linux/pagemap.h>
-#include <linux/delay.h>
-#include <asm/uaccess.h>
-
-#define I830_BUF_FREE 2
-#define I830_BUF_CLIENT 1
-#define I830_BUF_HARDWARE 0
-
-#define I830_BUF_UNMAPPED 0
-#define I830_BUF_MAPPED 1
-
-static struct drm_buf *i830_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_i830_buf_priv_t *buf_priv = buf->dev_private;
- /* In use is already a pointer */
- used = cmpxchg(buf_priv->in_use, I830_BUF_FREE,
- I830_BUF_CLIENT);
- if (used == I830_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 i830_freelist_put(struct drm_device * dev, struct drm_buf * 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;
- }
-
- return 0;
-}
-
-static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev;
- drm_i830_private_t *dev_priv;
- struct drm_buf *buf;
- drm_i830_buf_priv_t *buf_priv;
-
- lock_kernel();
- dev = priv->minor->dev;
- dev_priv = dev->dev_private;
- 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;
- unlock_kernel();
-
- 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 i830_buffer_fops = {
- .open = drm_open,
- .release = drm_release,
- .ioctl = drm_ioctl,
- .mmap = i830_mmap_buffers,
- .fasync = drm_fasync,
-};
-
-static int i830_map_buffer(struct drm_buf * buf, struct drm_file *file_priv)
-{
- struct drm_device *dev = file_priv->minor->dev;
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- drm_i830_private_t *dev_priv = dev->dev_private;
- const struct file_operations *old_fops;
- unsigned long virtual;
- int retcode = 0;
-
- if (buf_priv->currently_mapped == I830_BUF_MAPPED)
- return -EINVAL;
-
- down_write(&current->mm->mmap_sem);
- old_fops = file_priv->filp->f_op;
- file_priv->filp->f_op = &i830_buffer_fops;
- dev_priv->mmap_buffer = buf;
- virtual = do_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((void *)virtual)) { /* ugh */
- /* Real error */
- DRM_ERROR("mmap error\n");
- retcode = PTR_ERR((void *)virtual);
- buf_priv->virtual = NULL;
- } else {
- buf_priv->virtual = (void __user *)virtual;
- }
- up_write(&current->mm->mmap_sem);
-
- return retcode;
-}
-
-static int i830_unmap_buffer(struct drm_buf * buf)
-{
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- int retcode = 0;
-
- if (buf_priv->currently_mapped != I830_BUF_MAPPED)
- return -EINVAL;
-
- down_write(&current->mm->mmap_sem);
- retcode = do_munmap(current->mm,
- (unsigned long)buf_priv->virtual,
- (size_t) buf->total);
- up_write(&current->mm->mmap_sem);
-
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- buf_priv->virtual = NULL;
-
- return retcode;
-}
-
-static int i830_dma_get_buffer(struct drm_device * dev, drm_i830_dma_t * d,
- struct drm_file *file_priv)
-{
- struct drm_buf *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);
- return retcode;
- }
-
- retcode = i830_map_buffer(buf, file_priv);
- if (retcode) {
- i830_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 i830_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 (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_core_ioremapfree(&dev_priv->ring.map, dev);
- }
- 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);
- }
-
- drm_free(dev->dev_private, sizeof(drm_i830_private_t),
- DRM_MEM_DRIVER);
- dev->dev_private = NULL;
-
- for (i = 0; i < dma->buf_count; i++) {
- struct drm_buf *buf = dma->buflist[i];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- if (buf_priv->kernel_virtual && buf->total)
- drm_core_ioremapfree(&buf_priv->map, dev);
- }
- }
- return 0;
-}
-
-int i830_wait_ring(struct drm_device * 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;
- 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;
-
- 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);
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT;
- }
-
- out_wait_ring:
- return iters;
-}
-
-static void i830_kernel_lost_context(struct drm_device * 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;
-
- if (ring->head == ring->tail)
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY;
-}
-
-static int i830_freelist_init(struct drm_device * dev, drm_i830_private_t * dev_priv)
-{
- struct drm_device_dma *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++) {
- struct drm_buf *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 = I830_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_core_ioremap(&buf_priv->map, dev);
- buf_priv->kernel_virtual = buf_priv->map.handle;
- }
- return 0;
-}
-
-static int i830_dma_initialize(struct drm_device * dev,
- drm_i830_private_t * dev_priv,
- drm_i830_init_t * init)
-{
- struct drm_map_list *r_list;
-
- memset(dev_priv, 0, sizeof(drm_i830_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;
- 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) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find mmio map!\n");
- return -EINVAL;
- }
- dev->agp_buffer_token = init->buffers_offset;
- dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
- if (!dev->agp_buffer_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find dma buffer map!\n");
- return -EINVAL;
- }
-
- dev_priv->sarea_priv = (drm_i830_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_core_ioremap(&dev_priv->ring.map, dev);
-
- if (dev_priv->ring.map.handle == NULL) {
- dev->dev_private = (void *)dev_priv;
- i830_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->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;
-
- 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);
-
- dev_priv->cpp = init->cpp;
- /* We are using separate values as placeholders for mechanisms for
- * private backbuffer/depthbuffer usage.
- */
-
- dev_priv->back_pitch = init->back_pitch;
- dev_priv->depth_pitch = init->depth_pitch;
- 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) {
- 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);
- DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_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) {
- dev->dev_private = (void *)dev_priv;
- i830_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 i830_dma_init(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i830_private_t *dev_priv;
- drm_i830_init_t *init = data;
- int retcode = 0;
-
- 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;
-}
-
-#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
-#define ST1_ENABLE (1<<16)
-#define ST1_MASK (0xffff)
-
-/* Most efficient way to verify state for the i830 is as it is
- * emitted. Non-conformant state is silently dropped.
- */
-static void i830EmitContextVerified(struct drm_device * dev, unsigned int *code)
-{
- 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);
-
- 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);
- j++;
- } else {
- DRM_ERROR("Skipping %d\n", i);
- }
- }
-
- 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++) {
- tmp = code[i];
- 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]);
- j += 2;
-
- if (j & 1)
- OUT_RING(0);
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexVerified(struct drm_device * dev, unsigned int *code)
-{
- 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++) {
- tmp = code[i];
- OUT_RING(tmp);
- j++;
- }
-
- if (j & 1)
- OUT_RING(0);
-
- ADVANCE_LP_RING();
- } else
- printk("rejected packet %x\n", code[0]);
-}
-
-static void i830EmitTexBlendVerified(struct drm_device * dev,
- unsigned int *code, unsigned int num)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- if (!num)
- return;
-
- BEGIN_LP_RING(num + 1);
-
- for (i = 0; i < num; i++) {
- tmp = code[i];
- OUT_RING(tmp);
- j++;
- }
-
- if (j & 1)
- OUT_RING(0);
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexPalette(struct drm_device * dev,
- unsigned int *palette, int number, int is_shared)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i;
- RING_LOCALS;
-
- return;
-
- BEGIN_LP_RING(258);
-
- if (is_shared == 1) {
- OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
- 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++) {
- OUT_RING(palette[i]);
- }
- OUT_RING(0);
- /* 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(struct drm_device * 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);
-
- tmp = code[I830_DESTREG_CBUFADDR];
- if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
- if (((int)outring) & 8) {
- OUT_RING(0);
- 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);
- }
-
- /* invarient:
- */
-
- 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]);
-
- /* Need to verify this */
- tmp = code[I830_DESTREG_SENABLE];
- if ((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
- OUT_RING(tmp);
- } else {
- DRM_ERROR("bad scissor enable\n");
- 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(struct drm_device * dev, unsigned int *code)
-{
- 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();
-}
-
-static void i830EmitState(struct drm_device * dev)
-{
- 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", __func__, dirty);
-
- if (dirty & I830_UPLOAD_BUFFERS) {
- i830EmitDestVerified(dev, sarea_priv->BufferState);
- sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
- }
-
- if (dirty & I830_UPLOAD_CTX) {
- i830EmitContextVerified(dev, sarea_priv->ContextState);
- sarea_priv->dirty &= ~I830_UPLOAD_CTX;
- }
-
- if (dirty & I830_UPLOAD_TEX0) {
- i830EmitTexVerified(dev, sarea_priv->TexState[0]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
- }
-
- if (dirty & I830_UPLOAD_TEX1) {
- 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]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND1) {
- i830EmitTexBlendVerified(dev, sarea_priv->TexBlendState[1],
- sarea_priv->TexBlendStateWordsUsed[1]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
- }
-
- if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
- } else {
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
- }
-
- /* 1.3:
- */
-#if 0
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) {
- i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) {
- i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
- }
-#endif
- }
-
- /* 1.3:
- */
- if (dirty & I830_UPLOAD_STIPPLE) {
- i830EmitStippleVerified(dev, sarea_priv->StippleState);
- sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE;
- }
-
- if (dirty & I830_UPLOAD_TEX2) {
- i830EmitTexVerified(dev, sarea_priv->TexState2);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX2;
- }
-
- if (dirty & I830_UPLOAD_TEX3) {
- i830EmitTexVerified(dev, sarea_priv->TexState3);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX3;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND2) {
- 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);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3;
- }
-}
-
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void i830_fill_box(struct drm_device * dev,
- int x, int y, int w, int h, int r, int g, int b)
-{
- 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);
- 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);
- CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB);
- color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
- } else {
- color = (((r & 0xf8) << 8) |
- ((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));
-
- if (dev_priv->current_page == 1) {
- OUT_RING(dev_priv->front_offset);
- } else {
- OUT_RING(dev_priv->back_offset);
- }
-
- OUT_RING(color);
- ADVANCE_LP_RING();
-}
-
-static void i830_cp_performance_boxes(struct drm_device * dev)
-{
- 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);
-
- /* 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);
-
- /* 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);
-
- /* 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);
-
- /* 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);
-
- /* 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);
- dev_priv->dma_used = 0;
- }
-
- dev_priv->sarea_priv->perf_boxes = 0;
-}
-
-static void i830_dma_dispatch_clear(struct drm_device * 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;
- int nbox = sarea_priv->nbox;
- struct drm_clip_rect *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = dev_priv->cpp;
- int i;
- unsigned int BR13, CMD, D_CMD;
- RING_LOCALS;
-
- 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;
- }
-
- i830_kernel_lost_context(dev);
-
- 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 |
- XY_COLOR_BLT_WRITE_RGB);
- D_CMD = XY_COLOR_BLT_CMD;
- if (clear_depthmask & 0x00ffffff)
- D_CMD |= XY_COLOR_BLT_WRITE_RGB;
- if (clear_depthmask & 0xff000000)
- D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
- break;
- default:
- 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;
-
- 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)
- 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);
- ADVANCE_LP_RING();
- }
-
- 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);
- ADVANCE_LP_RING();
- }
-
- 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);
- ADVANCE_LP_RING();
- }
- }
-}
-
-static void i830_dma_dispatch_swap(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_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 = dev_priv->cpp;
- int i;
- unsigned int CMD, BR13;
- RING_LOCALS;
-
- DRM_DEBUG("swapbuffers\n");
-
- i830_kernel_lost_context(dev);
-
- if (dev_priv->do_boxes)
- i830_cp_performance_boxes(dev);
-
- 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);
- 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);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- }
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- 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)
- continue;
-
- DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
- 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);
-
- if (dev_priv->current_page == 0)
- OUT_RING(dev_priv->front_offset);
- else
- OUT_RING(dev_priv->back_offset);
-
- OUT_RING((pbox->y1 << 16) | pbox->x1);
- OUT_RING(BR13 & 0xffff);
-
- if (dev_priv->current_page == 0)
- OUT_RING(dev_priv->back_offset);
- else
- OUT_RING(dev_priv->front_offset);
-
- ADVANCE_LP_RING();
- }
-}
-
-static void i830_dma_dispatch_flip(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
- __func__,
- dev_priv->current_page,
- dev_priv->sarea_priv->pf_current_page);
-
- i830_kernel_lost_context(dev);
-
- if (dev_priv->do_boxes) {
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP;
- i830_cp_performance_boxes(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(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);
- 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);
- ADVANCE_LP_RING();
-
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-static void i830_dma_dispatch_vertex(struct drm_device * dev,
- struct drm_buf * buf, int discard, int used)
-{
- 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;
- 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, u;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- if (discard) {
- u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_HARDWARE);
- if (u != I830_BUF_CLIENT) {
- DRM_DEBUG("xxxx 2\n");
- }
- }
-
- if (used > 4 * 1023)
- used = 0;
-
- if (sarea_priv->dirty)
- i830EmitState(dev);
-
- 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);
-
- 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));
-
- if (dev_priv->use_mi_batchbuffer_start) {
- vp[used / 4] = MI_BATCH_BUFFER_END;
- used += 4;
- }
-
- if (used & 4) {
- 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);
- 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);
- ADVANCE_LP_RING();
- } 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);
- ADVANCE_LP_RING();
- }
-
- } while (++i < nbox);
- }
-
- if (discard) {
- dev_priv->counter++;
-
- (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);
- ADVANCE_LP_RING();
- }
-}
-
-static void i830_dma_quiescent(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- 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();
-
- i830_wait_ring(dev, dev_priv->ring.Size - 8, __func__);
-}
-
-static int i830_flush_queue(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- struct drm_device_dma *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, __func__);
-
- for (i = 0; i < dma->buf_count; i++) {
- struct drm_buf *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)
- DRM_DEBUG("reclaimed from HARDWARE\n");
- if (used == I830_BUF_CLIENT)
- DRM_DEBUG("still on client\n");
- }
-
- return ret;
-}
-
-/* Must be called with the lock held */
-static void i830_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;
-
- i830_flush_queue(dev);
-
- for (i = 0; i < dma->buf_count; i++) {
- struct drm_buf *buf = dma->buflist[i];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- if (buf->file_priv == file_priv && buf_priv) {
- 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;
- }
- }
-}
-
-static int i830_flush_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- i830_flush_queue(dev);
- return 0;
-}
-
-static int i830_dma_vertex(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_device_dma *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_vertex_t *vertex = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- 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;
-
- 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];
-
- return 0;
-}
-
-static int i830_clear_bufs(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i830_clear_t *clear = data;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- /* GH: Someone's doing nasty things... */
- if (!dev->dev_private) {
- return -EINVAL;
- }
-
- i830_dma_dispatch_clear(dev, clear->flags,
- clear->clear_color,
- clear->clear_depth, clear->clear_depthmask);
- return 0;
-}
-
-static int i830_swap_bufs(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- DRM_DEBUG("i830_swap_bufs\n");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- i830_dma_dispatch_swap(dev);
- return 0;
-}
-
-/* Not sure why this isn't set all the time:
- */
-static void i830_do_init_pageflip(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __func__);
- dev_priv->page_flipping = 1;
- dev_priv->current_page = 0;
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-static int i830_do_cleanup_pageflip(struct drm_device * dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __func__);
- if (dev_priv->current_page != 0)
- i830_dma_dispatch_flip(dev);
-
- dev_priv->page_flipping = 0;
- return 0;
-}
-
-static int i830_flip_bufs(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __func__);
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (!dev_priv->page_flipping)
- i830_do_init_pageflip(dev);
-
- i830_dma_dispatch_flip(dev);
- return 0;
-}
-
-static int i830_getage(struct drm_device *dev, void *data,
- struct drm_file *file_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;
-
- sarea_priv->last_dispatch = (int)hw_status[5];
- return 0;
-}
-
-static int i830_getbuf(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- int retcode = 0;
- drm_i830_dma_t *d = data;
- 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");
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- d->granted = 0;
-
- retcode = i830_dma_get_buffer(dev, d, file_priv);
-
- DRM_DEBUG("i830_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 i830_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 i830_docopy(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- return 0;
-}
-
-static int i830_getparam(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_getparam_t *param = data;
- int value;
-
- if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __func__);
- return -EINVAL;
- }
-
- switch (param->param) {
- case I830_PARAM_IRQ_ACTIVE:
- value = dev->irq_enabled;
- break;
- default:
- return -EINVAL;
- }
-
- if (copy_to_user(param->value, &value, sizeof(int))) {
- DRM_ERROR("copy_to_user\n");
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int i830_setparam(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_setparam_t *param = data;
-
- if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __func__);
- return -EINVAL;
- }
-
- switch (param->param) {
- case I830_SETPARAM_USE_MI_BATCHBUFFER_START:
- dev_priv->use_mi_batchbuffer_start = param->value;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-int i830_driver_load(struct drm_device *dev, unsigned long flags)
-{
- /* i830 has 4 more counters */
- dev->counters += 4;
- dev->types[6] = _DRM_STAT_IRQ;
- dev->types[7] = _DRM_STAT_PRIMARY;
- dev->types[8] = _DRM_STAT_SECONDARY;
- dev->types[9] = _DRM_STAT_DMA;
-
- return 0;
-}
-
-void i830_driver_lastclose(struct drm_device * dev)
-{
- i830_dma_cleanup(dev);
-}
-
-void i830_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
-{
- if (dev->dev_private) {
- drm_i830_private_t *dev_priv = dev->dev_private;
- if (dev_priv->page_flipping) {
- i830_do_cleanup_pageflip(dev);
- }
- }
-}
-
-void i830_driver_reclaim_buffers_locked(struct drm_device * dev, struct drm_file *file_priv)
-{
- i830_reclaim_buffers(dev, file_priv);
-}
-
-int i830_driver_dma_quiescent(struct drm_device * dev)
-{
- i830_dma_quiescent(dev);
- return 0;
-}
-
-struct drm_ioctl_desc i830_ioctls[] = {
- DRM_IOCTL_DEF(DRM_I830_INIT, i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
- DRM_IOCTL_DEF(DRM_I830_VERTEX, i830_dma_vertex, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_CLEAR, i830_clear_bufs, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_FLUSH, i830_flush_ioctl, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_GETAGE, i830_getage, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_GETBUF, i830_getbuf, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_SWAP, i830_swap_bufs, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_COPY, i830_copybuf, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_DOCOPY, i830_docopy, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_FLIP, i830_flip_bufs, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_IRQ_EMIT, i830_irq_emit, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_IRQ_WAIT, i830_irq_wait, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_GETPARAM, i830_getparam, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_I830_SETPARAM, i830_setparam, DRM_AUTH)
-};
-
-int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls);
-
-/**
- * Determine if the device really is AGP or not.
- *
- * All Intel graphics chipsets are treated as AGP, even if they are really
- * PCI-e.
- *
- * \param dev The device to be tested.
- *
- * \returns
- * A value of 1 is always retured to indictate every i8xx is AGP.
- */
-int i830_driver_device_is_agp(struct drm_device * dev)
-{
- return 1;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 05:41:28 +0100