/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
*/
-/**************************************************************************
- *
+/*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
- **************************************************************************/
+ */
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
-drm_ioctl_desc_t i915_ioctls[] = {
- [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, 1, 1},
- [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, 1, 1},
- [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, 1, 0},
- [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, 1, 1},
- [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, 1, 0}
-};
-
-int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
-
/* Really want an OS-independent resettable timer. Would like to have
* this loop run for (eg) 3 sec, but have the timer reset every time
* the head pointer changes, so that EBUSY only happens if the ring
* actually stalls for (eg) 3 seconds.
*/
-int i915_wait_ring(drm_device_t * dev, int n, const char *caller)
+int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
last_head = ring->head;
}
- return DRM_ERR(EBUSY);
+ return -EBUSY;
}
-void i915_kernel_lost_context(drm_device_t * dev)
+void i915_kernel_lost_context(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
}
-int i915_dma_cleanup(drm_device_t * dev)
+static int i915_dma_cleanup(struct drm_device * dev)
{
+ drm_i915_private_t *dev_priv = dev->dev_private;
/* 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)
- drm_irq_uninstall (dev);
+ drm_irq_uninstall(dev);
- if (dev->dev_private) {
- drm_i915_private_t *dev_priv =
- (drm_i915_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) {
- drm_pci_free(dev, PAGE_SIZE, dev_priv->hw_status_page,
- dev_priv->dma_status_page);
- /* Need to rewrite hardware status page */
- I915_WRITE(0x02080, 0x1ffff000);
- }
+ if (dev_priv->ring.virtual_start) {
+ drm_core_ioremapfree(&dev_priv->ring.map, dev);
+ dev_priv->ring.virtual_start = 0;
+ dev_priv->ring.map.handle = 0;
+ dev_priv->ring.map.size = 0;
+ }
- drm_free (dev->dev_private, sizeof(drm_i915_private_t),
- DRM_MEM_DRIVER);
+ if (dev_priv->status_page_dmah) {
+ drm_pci_free(dev, dev_priv->status_page_dmah);
+ dev_priv->status_page_dmah = NULL;
+ /* Need to rewrite hardware status page */
+ I915_WRITE(0x02080, 0x1ffff000);
+ }
- dev->dev_private = NULL;
+ if (dev_priv->status_gfx_addr) {
+ dev_priv->status_gfx_addr = 0;
+ drm_core_ioremapfree(&dev_priv->hws_map, dev);
+ I915_WRITE(0x2080, 0x1ffff000);
}
return 0;
}
-static int i915_initialize(drm_device_t * dev,
- drm_i915_private_t * dev_priv,
- drm_i915_init_t * init)
+static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
{
- memset(dev_priv, 0, sizeof(drm_i915_private_t));
+ drm_i915_private_t *dev_priv = dev->dev_private;
- DRM_GETSAREA();
+ dev_priv->sarea = drm_getsarea(dev);
if (!dev_priv->sarea) {
DRM_ERROR("can not find sarea!\n");
- dev->dev_private = (void *)dev_priv;
i915_dma_cleanup(dev);
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
if (!dev_priv->mmio_map) {
- dev->dev_private = (void *)dev_priv;
i915_dma_cleanup(dev);
DRM_ERROR("can not find mmio map!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->sarea_priv = (drm_i915_sarea_t *)
dev_priv->ring.map.flags = 0;
dev_priv->ring.map.mtrr = 0;
- drm_core_ioremap( &dev_priv->ring.map, dev );
+ drm_core_ioremap(&dev_priv->ring.map, dev);
if (dev_priv->ring.map.handle == NULL) {
- dev->dev_private = (void *)dev_priv;
i915_dma_cleanup(dev);
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
+ dev_priv->cpp = init->cpp;
dev_priv->back_offset = init->back_offset;
dev_priv->front_offset = init->front_offset;
dev_priv->current_page = 0;
* private backbuffer/depthbuffer usage.
*/
dev_priv->use_mi_batchbuffer_start = 0;
+ if (IS_I965G(dev)) /* 965 doesn't support older method */
+ dev_priv->use_mi_batchbuffer_start = 1;
/* Allow hardware batchbuffers unless told otherwise.
*/
dev_priv->allow_batchbuffer = 1;
/* Program Hardware Status Page */
- dev_priv->hw_status_page = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
- 0xffffffff,
- &dev_priv->dma_status_page);
+ if (!I915_NEED_GFX_HWS(dev)) {
+ dev_priv->status_page_dmah =
+ drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
+
+ if (!dev_priv->status_page_dmah) {
+ i915_dma_cleanup(dev);
+ DRM_ERROR("Can not allocate hardware status page\n");
+ return -ENOMEM;
+ }
+ dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
+ dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
- if (!dev_priv->hw_status_page) {
- dev->dev_private = (void *)dev_priv;
- i915_dma_cleanup(dev);
- DRM_ERROR("Can not allocate hardware status page\n");
- return DRM_ERR(ENOMEM);
+ memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+ I915_WRITE(0x02080, dev_priv->dma_status_page);
}
- memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
- DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
-
- I915_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
-
- dev->dev_private = (void *)dev_priv;
-
return 0;
}
-static int i915_resume(drm_device_t * dev)
+static int i915_dma_resume(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
if (!dev_priv->sarea) {
DRM_ERROR("can not find sarea!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
if (!dev_priv->mmio_map) {
DRM_ERROR("can not find mmio map!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
if (dev_priv->ring.map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
/* Program Hardware Status Page */
if (!dev_priv->hw_status_page) {
DRM_ERROR("Can not find hardware status page\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
- I915_WRITE(0x02080, dev_priv->dma_status_page);
+ if (dev_priv->status_gfx_addr != 0)
+ I915_WRITE(0x02080, dev_priv->status_gfx_addr);
+ else
+ I915_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
return 0;
}
-int i915_dma_init(DRM_IOCTL_ARGS)
+static int i915_dma_init(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_i915_private_t *dev_priv;
- drm_i915_init_t init;
+ drm_i915_init_t *init = data;
int retcode = 0;
- DRM_COPY_FROM_USER_IOCTL(init, (drm_i915_init_t __user *) data,
- sizeof(init));
-
- switch (init.func) {
+ switch (init->func) {
case I915_INIT_DMA:
- dev_priv = drm_alloc (sizeof(drm_i915_private_t),
- DRM_MEM_DRIVER);
- if (dev_priv == NULL)
- return DRM_ERR(ENOMEM);
- retcode = i915_initialize(dev, dev_priv, &init);
+ retcode = i915_initialize(dev, init);
break;
case I915_CLEANUP_DMA:
retcode = i915_dma_cleanup(dev);
break;
case I915_RESUME_DMA:
- retcode = i915_resume(dev);
+ retcode = i915_dma_resume(dev);
break;
default:
retcode = -EINVAL;
case 0x1c:
return 1;
case 0x1d:
- switch ((cmd>>16)&0xff) {
+ switch ((cmd >> 16) & 0xff) {
case 0x3:
return (cmd & 0x1f) + 2;
case 0x4:
{
int ret = do_validate_cmd(cmd);
-/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
+/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
return ret;
}
-static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
+static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int i;
RING_LOCALS;
+ if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8)
+ return -EINVAL;
+
+ BEGIN_LP_RING((dwords+1)&~1);
+
for (i = 0; i < dwords;) {
int cmd, sz;
if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd)))
- return DRM_ERR(EINVAL);
-
-/* printk("%d/%d ", i, dwords); */
+ return -EINVAL;
if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
- return DRM_ERR(EINVAL);
+ return -EINVAL;
- BEGIN_LP_RING(sz);
OUT_RING(cmd);
while (++i, --sz) {
if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i],
sizeof(cmd))) {
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
OUT_RING(cmd);
}
- ADVANCE_LP_RING();
}
+ if (dwords & 1)
+ OUT_RING(0);
+
+ ADVANCE_LP_RING();
+
return 0;
}
-static int i915_emit_box(drm_device_t * dev,
- drm_clip_rect_t __user * boxes,
+static int i915_emit_box(struct drm_device * dev,
+ struct drm_clip_rect __user * boxes,
int i, int DR1, int DR4)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- drm_clip_rect_t box;
+ struct drm_clip_rect box;
RING_LOCALS;
if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) {
- return EFAULT;
+ return -EFAULT;
}
if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) {
DRM_ERROR("Bad box %d,%d..%d,%d\n",
box.x1, box.y1, box.x2, box.y2);
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
- BEGIN_LP_RING(6);
- OUT_RING(GFX_OP_DRAWRECT_INFO);
- OUT_RING(DR1);
- OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
- OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
- OUT_RING(DR4);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ if (IS_I965G(dev)) {
+ BEGIN_LP_RING(4);
+ OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
+ OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
+ OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
+ OUT_RING(DR4);
+ ADVANCE_LP_RING();
+ } else {
+ BEGIN_LP_RING(6);
+ OUT_RING(GFX_OP_DRAWRECT_INFO);
+ OUT_RING(DR1);
+ OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
+ OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
+ OUT_RING(DR4);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
return 0;
}
-static int i915_dispatch_cmdbuffer(drm_device_t * dev,
+/* XXX: Emitting the counter should really be moved to part of the IRQ
+ * emit. For now, do it in both places:
+ */
+
+static void i915_emit_breadcrumb(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+
+ dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
+
+ if (dev_priv->counter > 0x7FFFFFFFUL)
+ dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
+
+ BEGIN_LP_RING(4);
+ OUT_RING(CMD_STORE_DWORD_IDX);
+ OUT_RING(20);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+}
+
+static int i915_dispatch_cmdbuffer(struct drm_device * dev,
drm_i915_cmdbuffer_t * cmd)
{
int nbox = cmd->num_cliprects;
if (cmd->sz & 0x3) {
DRM_ERROR("alignment");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
i915_kernel_lost_context(dev);
return ret;
}
+ i915_emit_breadcrumb(dev);
return 0;
}
-static int i915_dispatch_batchbuffer(drm_device_t * dev,
+static int i915_dispatch_batchbuffer(struct drm_device * dev,
drm_i915_batchbuffer_t * batch)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- drm_clip_rect_t __user *boxes = batch->cliprects;
+ struct drm_clip_rect __user *boxes = batch->cliprects;
int nbox = batch->num_cliprects;
int i = 0, count;
RING_LOCALS;
if ((batch->start | batch->used) & 0x7) {
DRM_ERROR("alignment");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
i915_kernel_lost_context(dev);
if (dev_priv->use_mi_batchbuffer_start) {
BEGIN_LP_RING(2);
- OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
- OUT_RING(batch->start | MI_BATCH_NON_SECURE);
+ if (IS_I965G(dev)) {
+ OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
+ OUT_RING(batch->start);
+ } else {
+ OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
+ OUT_RING(batch->start | MI_BATCH_NON_SECURE);
+ }
ADVANCE_LP_RING();
} else {
BEGIN_LP_RING(4);
}
}
- dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
-
- BEGIN_LP_RING(4);
- OUT_RING(CMD_STORE_DWORD_IDX);
- OUT_RING(20);
- OUT_RING(dev_priv->counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ i915_emit_breadcrumb(dev);
return 0;
}
-static int i915_dispatch_flip(drm_device_t * dev)
+static int i915_dispatch_flip(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
return 0;
}
-static int i915_quiescent(drm_device_t * dev)
+static int i915_quiescent(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
}
-int i915_flush_ioctl(DRM_IOCTL_ARGS)
+static int i915_flush_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
-
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
return i915_quiescent(dev);
}
-int i915_batchbuffer(DRM_IOCTL_ARGS)
+static int i915_batchbuffer(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
- drm_i915_batchbuffer_t batch;
+ drm_i915_batchbuffer_t *batch = data;
int ret;
if (!dev_priv->allow_batchbuffer) {
DRM_ERROR("Batchbuffer ioctl disabled\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
- DRM_COPY_FROM_USER_IOCTL(batch, (drm_i915_batchbuffer_t __user *) data,
- sizeof(batch));
-
DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n",
- batch.start, batch.used, batch.num_cliprects);
+ batch->start, batch->used, batch->num_cliprects);
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects,
- batch.num_cliprects *
- sizeof(drm_clip_rect_t)))
- return DRM_ERR(EFAULT);
+ if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects,
+ batch->num_cliprects *
+ sizeof(struct drm_clip_rect)))
+ return -EFAULT;
- ret = i915_dispatch_batchbuffer(dev, &batch);
+ ret = i915_dispatch_batchbuffer(dev, batch);
sarea_priv->last_dispatch = (int)hw_status[5];
return ret;
}
-int i915_cmdbuffer(DRM_IOCTL_ARGS)
+static int i915_cmdbuffer(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
- drm_i915_cmdbuffer_t cmdbuf;
+ drm_i915_cmdbuffer_t *cmdbuf = data;
int ret;
- DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_i915_cmdbuffer_t __user *) data,
- sizeof(cmdbuf));
-
DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
- cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects);
+ cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (cmdbuf.num_cliprects &&
- DRM_VERIFYAREA_READ(cmdbuf.cliprects,
- cmdbuf.num_cliprects *
- sizeof(drm_clip_rect_t))) {
+ if (cmdbuf->num_cliprects &&
+ DRM_VERIFYAREA_READ(cmdbuf->cliprects,
+ cmdbuf->num_cliprects *
+ sizeof(struct drm_clip_rect))) {
DRM_ERROR("Fault accessing cliprects\n");
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
- ret = i915_dispatch_cmdbuffer(dev, &cmdbuf);
+ ret = i915_dispatch_cmdbuffer(dev, cmdbuf);
if (ret) {
DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
return ret;
return 0;
}
-int i915_do_cleanup_pageflip(drm_device_t * dev)
+static int i915_flip_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
-
DRM_DEBUG("%s\n", __FUNCTION__);
- if (dev_priv->current_page != 0)
- i915_dispatch_flip(dev);
- return 0;
-}
-
-int i915_flip_bufs(DRM_IOCTL_ARGS)
-{
- DRM_DEVICE;
-
- DRM_DEBUG("%s\n", __FUNCTION__);
-
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
return i915_dispatch_flip(dev);
}
-int i915_getparam(DRM_IOCTL_ARGS)
+static int i915_getparam(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_getparam_t param;
+ drm_i915_getparam_t *param = data;
int value;
if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
- return DRM_ERR(EINVAL);
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
}
- DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_getparam_t __user *) data,
- sizeof(param));
-
- switch (param.param) {
+ switch (param->param) {
case I915_PARAM_IRQ_ACTIVE:
value = dev->irq ? 1 : 0;
break;
case I915_PARAM_ALLOW_BATCHBUFFER:
value = dev_priv->allow_batchbuffer ? 1 : 0;
break;
+ case I915_PARAM_LAST_DISPATCH:
+ value = READ_BREADCRUMB(dev_priv);
+ break;
default:
- DRM_ERROR("Unkown parameter %d\n", param.param);
- return DRM_ERR(EINVAL);
+ DRM_ERROR("Unknown parameter %d\n", param->param);
+ return -EINVAL;
}
- if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) {
+ if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
DRM_ERROR("DRM_COPY_TO_USER failed\n");
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
return 0;
}
-int i915_setparam(DRM_IOCTL_ARGS)
+static int i915_setparam(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_setparam_t param;
+ drm_i915_setparam_t *param = data;
if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
- return DRM_ERR(EINVAL);
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
}
- DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_setparam_t __user *) data,
- sizeof(param));
-
- switch (param.param) {
+ switch (param->param) {
case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
- dev_priv->use_mi_batchbuffer_start = param.value;
+ if (!IS_I965G(dev))
+ dev_priv->use_mi_batchbuffer_start = param->value;
break;
case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
- dev_priv->tex_lru_log_granularity = param.value;
+ dev_priv->tex_lru_log_granularity = param->value;
break;
case I915_SETPARAM_ALLOW_BATCHBUFFER:
- dev_priv->allow_batchbuffer = param.value;
+ dev_priv->allow_batchbuffer = param->value;
break;
default:
- DRM_ERROR("unknown parameter %d\n", param.param);
- return DRM_ERR(EINVAL);
+ DRM_ERROR("unknown parameter %d\n", param->param);
+ return -EINVAL;
}
return 0;
}
-void i915_driver_pretakedown(drm_device_t *dev)
+static int i915_set_status_page(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- if ( dev->dev_private ) {
- drm_i915_private_t *dev_priv = dev->dev_private;
- i915_mem_takedown( &(dev_priv->agp_heap) );
- }
- i915_dma_cleanup( dev );
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_hws_addr_t *hws = data;
+
+ if (!I915_NEED_GFX_HWS(dev))
+ return -EINVAL;
+
+ if (!dev_priv) {
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
+ }
+
+ printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr);
+
+ dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
+
+ dev_priv->hws_map.offset = dev->agp->base + hws->addr;
+ dev_priv->hws_map.size = 4*1024;
+ dev_priv->hws_map.type = 0;
+ dev_priv->hws_map.flags = 0;
+ dev_priv->hws_map.mtrr = 0;
+
+ drm_core_ioremap(&dev_priv->hws_map, dev);
+ if (dev_priv->hws_map.handle == NULL) {
+ i915_dma_cleanup(dev);
+ dev_priv->status_gfx_addr = 0;
+ DRM_ERROR("can not ioremap virtual address for"
+ " G33 hw status page\n");
+ return -ENOMEM;
+ }
+ dev_priv->hw_status_page = dev_priv->hws_map.handle;
+
+ memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+ I915_WRITE(0x02080, dev_priv->status_gfx_addr);
+ DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n",
+ dev_priv->status_gfx_addr);
+ DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
+ return 0;
}
-void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp)
+int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
- if ( dev->dev_private ) {
- drm_i915_private_t *dev_priv = dev->dev_private;
- i915_mem_release( dev, filp, dev_priv->agp_heap );
- }
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long base, size;
+ int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
+
+ /* i915 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;
+
+ dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
+ if (dev_priv == NULL)
+ return -ENOMEM;
+
+ memset(dev_priv, 0, sizeof(drm_i915_private_t));
+
+ dev->dev_private = (void *)dev_priv;
+
+ /* Add register map (needed for suspend/resume) */
+ base = drm_get_resource_start(dev, mmio_bar);
+ size = drm_get_resource_len(dev, mmio_bar);
+
+ ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
+ _DRM_KERNEL | _DRM_DRIVER,
+ &dev_priv->mmio_map);
+ return ret;
}
+int i915_driver_unload(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->mmio_map)
+ drm_rmmap(dev, dev_priv->mmio_map);
+
+ drm_free(dev->dev_private, sizeof(drm_i915_private_t),
+ DRM_MEM_DRIVER);
+
+ return 0;
+}
+
+void i915_driver_lastclose(struct drm_device * dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ if (dev_priv->agp_heap)
+ i915_mem_takedown(&(dev_priv->agp_heap));
+
+ i915_dma_cleanup(dev);
+}
+
+void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ i915_mem_release(dev, file_priv, dev_priv->agp_heap);
+}
+
+struct drm_ioctl_desc i915_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ),
+ DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ),
+ DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ),
+ DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH),
+};
+
+int i915_max_ioctl = DRM_ARRAY_SIZE(i915_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 i9x5 is AGP.
+ */
+int i915_driver_device_is_agp(struct drm_device * dev)
+{
+ return 1;
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff