drm: update to i915 1.3.0
Add support for vblank ioctls to i915 driver From: Dave Airlie <airlied@linux.ie> Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie
Dave Airlie
Родитель
f0c408b564
Коммит
0d6aa60b4a
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@ -1,7 +1,6 @@
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/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
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*/
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/**************************************************************************
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*
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/*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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@ -25,7 +24,7 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#include "drmP.h"
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#include "drm.h"
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@ -196,7 +195,7 @@ static int i915_initialize(drm_device_t * dev,
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return 0;
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}
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static int i915_resume(drm_device_t * dev)
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static int i915_dma_resume(drm_device_t * dev)
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{
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drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
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@ -253,7 +252,7 @@ static int i915_dma_init(DRM_IOCTL_ARGS)
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retcode = i915_dma_cleanup(dev);
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break;
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case I915_RESUME_DMA:
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retcode = i915_resume(dev);
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retcode = i915_dma_resume(dev);
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break;
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default:
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retcode = -EINVAL;
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@ -654,6 +653,9 @@ static int i915_getparam(DRM_IOCTL_ARGS)
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case I915_PARAM_ALLOW_BATCHBUFFER:
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value = dev_priv->allow_batchbuffer ? 1 : 0;
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break;
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case I915_PARAM_LAST_DISPATCH:
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value = READ_BREADCRUMB(dev_priv);
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break;
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default:
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DRM_ERROR("Unkown parameter %d\n", param.param);
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return DRM_ERR(EINVAL);
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@ -1,5 +1,4 @@
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/**************************************************************************
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*
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/*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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@ -23,7 +22,7 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#ifndef _I915_DRM_H_
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#define _I915_DRM_H_
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@ -152,6 +151,7 @@ typedef struct drm_i915_irq_wait {
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*/
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#define I915_PARAM_IRQ_ACTIVE 1
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#define I915_PARAM_ALLOW_BATCHBUFFER 2
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#define I915_PARAM_LAST_DISPATCH 3
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typedef struct drm_i915_getparam {
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int param;
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@ -1,6 +1,6 @@
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/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
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*/
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/**************************************************************************
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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@ -25,7 +25,7 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#include "drmP.h"
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#include "drm.h"
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@ -44,11 +44,12 @@ static struct drm_driver driver = {
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*/
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.driver_features =
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DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
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DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
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DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
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.load = i915_driver_load,
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.lastclose = i915_driver_lastclose,
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.preclose = i915_driver_preclose,
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.device_is_agp = i915_driver_device_is_agp,
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.vblank_wait = i915_driver_vblank_wait,
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.irq_preinstall = i915_driver_irq_preinstall,
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.irq_postinstall = i915_driver_irq_postinstall,
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.irq_uninstall = i915_driver_irq_uninstall,
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@ -1,6 +1,6 @@
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/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
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*/
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/**************************************************************************
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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@ -25,7 +25,7 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#ifndef _I915_DRV_H_
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#define _I915_DRV_H_
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@ -37,21 +37,18 @@
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#define DRIVER_NAME "i915"
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#define DRIVER_DESC "Intel Graphics"
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#define DRIVER_DATE "20040405"
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#define DRIVER_DATE "20051209"
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/* Interface history:
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*
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* 1.1: Original.
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* 1.2: Add Power Management
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* 1.3: Add vblank support
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*/
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 1
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#define DRIVER_MINOR 3
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#define DRIVER_PATCHLEVEL 0
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/* We use our own dma mechanisms, not the drm template code. However,
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* the shared IRQ code is useful to us:
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*/
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#define __HAVE_PM 1
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typedef struct _drm_i915_ring_buffer {
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int tail_mask;
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unsigned long Start;
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@ -97,6 +94,7 @@ typedef struct drm_i915_private {
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int tex_lru_log_granularity;
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int allow_batchbuffer;
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struct mem_block *agp_heap;
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unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
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} drm_i915_private_t;
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extern drm_ioctl_desc_t i915_ioctls[];
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@ -108,11 +106,14 @@ extern int i915_driver_load(struct drm_device *, unsigned long flags);
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extern void i915_driver_lastclose(drm_device_t * dev);
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extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp);
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extern int i915_driver_device_is_agp(drm_device_t * dev);
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extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
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unsigned long arg);
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/* i915_irq.c */
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extern int i915_irq_emit(DRM_IOCTL_ARGS);
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extern int i915_irq_wait(DRM_IOCTL_ARGS);
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extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence);
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extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
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extern void i915_driver_irq_preinstall(drm_device_t * dev);
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extern void i915_driver_irq_postinstall(drm_device_t * dev);
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@ -126,13 +127,10 @@ extern void i915_mem_takedown(struct mem_block **heap);
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extern void i915_mem_release(drm_device_t * dev,
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DRMFILE filp, struct mem_block *heap);
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extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
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unsigned long arg);
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#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, reg)
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#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val)
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#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg)
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#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val)
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#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
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#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
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#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
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#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
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#define I915_VERBOSE 0
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@ -196,6 +194,13 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
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#define PPCR 0x61204
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#define PPCR_ON (1<<0)
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#define DVOB 0x61140
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#define DVOB_ON (1<<31)
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#define DVOC 0x61160
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#define DVOC_ON (1<<31)
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#define LVDS 0x61180
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#define LVDS_ON (1<<31)
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#define ADPA 0x61100
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#define ADPA_DPMS_MASK (~(3<<10))
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#define ADPA_DPMS_ON (0<<10)
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@ -259,4 +264,6 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
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#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
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#define READ_BREADCRUMB(dev_priv) (((u32 *)(dev_priv->hw_status_page))[5])
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#endif
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@ -1,7 +1,6 @@
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/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
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/* i915_irq.c -- IRQ support for the I915 -*- linux-c -*-
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*/
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/**************************************************************************
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*
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/*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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@ -25,16 +24,18 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#include "drmP.h"
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#include "drm.h"
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#include "i915_drm.h"
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#include "i915_drv.h"
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#define USER_INT_FLAG 0x2
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#define USER_INT_FLAG (1<<1)
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#define VSYNC_PIPEB_FLAG (1<<5)
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#define VSYNC_PIPEA_FLAG (1<<7)
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#define MAX_NOPID ((u32)~0)
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#define READ_BREADCRUMB(dev_priv) (((u32*)(dev_priv->hw_status_page))[5])
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irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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{
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@ -43,7 +44,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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u16 temp;
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temp = I915_READ16(I915REG_INT_IDENTITY_R);
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temp &= USER_INT_FLAG;
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temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG);
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DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
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@ -51,7 +52,15 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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return IRQ_NONE;
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I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
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DRM_WAKEUP(&dev_priv->irq_queue);
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if (temp & USER_INT_FLAG)
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DRM_WAKEUP(&dev_priv->irq_queue);
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if (temp & VSYNC_PIPEA_FLAG) {
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atomic_inc(&dev->vbl_received);
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DRM_WAKEUP(&dev->vbl_queue);
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drm_vbl_send_signals(dev);
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}
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return IRQ_HANDLED;
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}
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@ -102,6 +111,27 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr)
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return ret;
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}
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int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
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{
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drm_i915_private_t *dev_priv = dev->dev_private;
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unsigned int cur_vblank;
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int ret = 0;
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if (!dev_priv) {
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DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
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return DRM_ERR(EINVAL);
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}
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DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
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(((cur_vblank = atomic_read(&dev->vbl_received))
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- *sequence) <= (1<<23)));
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*sequence = cur_vblank;
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return ret;
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}
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/* Needs the lock as it touches the ring.
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*/
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int i915_irq_emit(DRM_IOCTL_ARGS)
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@ -165,7 +195,7 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
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{
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drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
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I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG);
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I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | VSYNC_PIPEA_FLAG);
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DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
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}
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@ -1,7 +1,6 @@
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/* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
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*/
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/**************************************************************************
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*
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/*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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@ -25,7 +24,7 @@
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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*/
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#include "drmP.h"
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#include "drm.h"
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