/* 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"
return 0;
}
-static int i915_resume(drm_device_t * dev)
+static int i915_dma_resume(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
retcode = i915_dma_cleanup(dev);
break;
case I915_RESUME_DMA:
- retcode = i915_resume(dev);
+ retcode = i915_dma_resume(dev);
break;
default:
retcode = -EINVAL;
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);
-/**************************************************************************
- *
+/*
* 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.
*
- **************************************************************************/
+ */
#ifndef _I915_DRM_H_
#define _I915_DRM_H_
*/
#define I915_PARAM_IRQ_ACTIVE 1
#define I915_PARAM_ALLOW_BATCHBUFFER 2
+#define I915_PARAM_LAST_DISPATCH 3
typedef struct drm_i915_getparam {
int param;
/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- 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"
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
- DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
.load = i915_driver_load,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
.device_is_agp = i915_driver_device_is_agp,
+ .vblank_wait = i915_driver_vblank_wait,
.irq_preinstall = i915_driver_irq_preinstall,
.irq_postinstall = i915_driver_irq_postinstall,
.irq_uninstall = i915_driver_irq_uninstall,
/* i915_drv.h -- Private header for the I915 driver -*- 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.
*
- **************************************************************************/
+ */
#ifndef _I915_DRV_H_
#define _I915_DRV_H_
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20040405"
+#define DRIVER_DATE "20051209"
/* Interface history:
*
* 1.1: Original.
+ * 1.2: Add Power Management
+ * 1.3: Add vblank support
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 1
+#define DRIVER_MINOR 3
#define DRIVER_PATCHLEVEL 0
-/* We use our own dma mechanisms, not the drm template code. However,
- * the shared IRQ code is useful to us:
- */
-#define __HAVE_PM 1
-
typedef struct _drm_i915_ring_buffer {
int tail_mask;
unsigned long Start;
int tex_lru_log_granularity;
int allow_batchbuffer;
struct mem_block *agp_heap;
+ unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
} drm_i915_private_t;
extern drm_ioctl_desc_t i915_ioctls[];
extern void i915_driver_lastclose(drm_device_t * dev);
extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp);
extern int i915_driver_device_is_agp(drm_device_t * dev);
+extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg);
/* i915_irq.c */
extern int i915_irq_emit(DRM_IOCTL_ARGS);
extern int i915_irq_wait(DRM_IOCTL_ARGS);
+extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(drm_device_t * dev);
extern void i915_driver_irq_postinstall(drm_device_t * dev);
extern void i915_mem_release(drm_device_t * dev,
DRMFILE filp, struct mem_block *heap);
-extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg);
-
-#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, reg)
-#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val)
-#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg)
-#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val)
+#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
+#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
+#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
+#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
#define I915_VERBOSE 0
#define PPCR 0x61204
#define PPCR_ON (1<<0)
+#define DVOB 0x61140
+#define DVOB_ON (1<<31)
+#define DVOC 0x61160
+#define DVOC_ON (1<<31)
+#define LVDS 0x61180
+#define LVDS_ON (1<<31)
+
#define ADPA 0x61100
#define ADPA_DPMS_MASK (~(3<<10))
#define ADPA_DPMS_ON (0<<10)
#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+#define READ_BREADCRUMB(dev_priv) (((u32 *)(dev_priv->hw_status_page))[5])
+
#endif
-/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
+/* i915_irq.c -- IRQ 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"
-#define USER_INT_FLAG 0x2
+#define USER_INT_FLAG (1<<1)
+#define VSYNC_PIPEB_FLAG (1<<5)
+#define VSYNC_PIPEA_FLAG (1<<7)
+
#define MAX_NOPID ((u32)~0)
-#define READ_BREADCRUMB(dev_priv) (((u32*)(dev_priv->hw_status_page))[5])
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
u16 temp;
temp = I915_READ16(I915REG_INT_IDENTITY_R);
- temp &= USER_INT_FLAG;
+ temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG);
DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
return IRQ_NONE;
I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
- DRM_WAKEUP(&dev_priv->irq_queue);
+
+ if (temp & USER_INT_FLAG)
+ DRM_WAKEUP(&dev_priv->irq_queue);
+
+ if (temp & VSYNC_PIPEA_FLAG) {
+ atomic_inc(&dev->vbl_received);
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
+ }
return IRQ_HANDLED;
}
return ret;
}
+int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned int cur_vblank;
+ int ret = 0;
+
+ if (!dev_priv) {
+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(&dev->vbl_received))
+ - *sequence) <= (1<<23)));
+
+ *sequence = cur_vblank;
+
+ return ret;
+}
+
+
/* Needs the lock as it touches the ring.
*/
int i915_irq_emit(DRM_IOCTL_ARGS)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG);
+ I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | VSYNC_PIPEA_FLAG);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
}
/* i915_mem.c -- Simple agp/fb memory manager for 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"
projects / linux-2.6 / commitdiff