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drm: update to i915 1.3.0

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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 2006-01-02 20:14:23 +11:00 committed by Dave Airlie
parent f0c408b564
commit 0d6aa60b4a
6 changed files with 78 additions and 39 deletions
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12
drivers/char/drm/i915_dma.c
View File

@ -1,7 +1,6 @@
/* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
*/
/**************************************************************************
*
/*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
@ -25,7 +24,7 @@
* 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"
@ -196,7 +195,7 @@ static int i915_initialize(drm_device_t * dev,
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;
@ -253,7 +252,7 @@ static int i915_dma_init(DRM_IOCTL_ARGS)
retcode = i915_dma_cleanup(dev);
break;
case I915_RESUME_DMA:
retcode = i915_resume(dev);
retcode = i915_dma_resume(dev);
break;
default:
retcode = -EINVAL;
@ -654,6 +653,9 @@ static int i915_getparam(DRM_IOCTL_ARGS)
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);

6
drivers/char/drm/i915_drm.h
View File

@ -1,5 +1,4 @@
/**************************************************************************
*
/*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
@ -23,7 +22,7 @@
* 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_
@ -152,6 +151,7 @@ typedef struct drm_i915_irq_wait {
*/
#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;

7
drivers/char/drm/i915_drv.c
View File

@ -1,6 +1,6 @@
/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
*/
/**************************************************************************
/*
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
@ -25,7 +25,7 @@
* 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"
@ -44,11 +44,12 @@ static struct drm_driver driver = {
*/
.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,

39
drivers/char/drm/i915_drv.h
View File

@ -1,6 +1,6 @@
/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
*/
/**************************************************************************
/*
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
@ -25,7 +25,7 @@
* 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_
@ -37,21 +37,18 @@
#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;
@ -97,6 +94,7 @@ typedef struct drm_i915_private {
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[];
@ -108,11 +106,14 @@ extern int i915_driver_load(struct drm_device *, unsigned long flags);
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);
@ -126,13 +127,10 @@ extern void i915_mem_takedown(struct mem_block **heap);
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
@ -196,6 +194,13 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#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)
@ -259,4 +264,6 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
#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

48
drivers/char/drm/i915_irq.c
View File

@ -1,7 +1,6 @@
/* 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.
*
@ -25,16 +24,18 @@
* 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)
{
@ -43,7 +44,7 @@ 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);
@ -51,7 +52,15 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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;
}
@ -102,6 +111,27 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr)
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)
@ -165,7 +195,7 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
{
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);
}

5
drivers/char/drm/i915_mem.c
View File

@ -1,7 +1,6 @@
/* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
*/
/**************************************************************************
*
/*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
@ -25,7 +24,7 @@
* 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"