Kernel support for vblank syncing on Rage 128 and Matrox.

main
Eric Anholt 2002-10-30 06:10:34 +00:00
parent 344c7f6b41
commit e656655a36
24 changed files with 631 additions and 13 deletions

View File

@ -3,7 +3,7 @@
.PATH: ${.CURDIR}/..
KMOD= mga
NOMAN= YES
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c mga_irq.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..

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@ -3,7 +3,7 @@
.PATH: ${.CURDIR}/..
KMOD = r128
NOMAN= YES
SRCS = r128_cce.c r128_drv.c r128_state.c
SRCS = r128_cce.c r128_drv.c r128_state.c r128_irq.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..

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@ -24,6 +24,7 @@ LinkSourceFile(mga.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_dma.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_drm.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_drv.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_irq.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_state.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_ucode.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(mga_warp.c,$(XF86OSSRC)/shared/drm/kernel)
@ -31,6 +32,7 @@ LinkSourceFile(r128.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(r128_cce.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(r128_drm.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(r128_drv.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(r128_irq.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(r128_state.c,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(radeon.h,$(XF86OSSRC)/shared/drm/kernel)
LinkSourceFile(radeon_cp.c,$(XF86OSSRC)/shared/drm/kernel)

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@ -3,7 +3,7 @@
.PATH: ${.CURDIR}/..
KMOD= mga
NOMAN= YES
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c
SRCS= mga_drv.c mga_state.c mga_warp.c mga_dma.c mga_irq.c
SRCS+= device_if.h bus_if.h pci_if.h opt_drm.h
CFLAGS+= ${DEBUG_FLAGS} -I. -I..

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@ -3,7 +3,7 @@
.PATH: ${.CURDIR}/..
KMOD = r128
NOMAN= YES
SRCS = r128_cce.c r128_drv.c r128_state.c
SRCS = r128_cce.c r128_drv.c r128_state.c r128_irq.c
SRCS += device_if.h bus_if.h pci_if.h opt_drm.h
CFLAGS += ${DEBUG_FLAGS} -I. -I..

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@ -52,7 +52,7 @@ GAMMAHEADERS = gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES)
TDFXOBJS = tdfx_drv.o
TDFXHEADERS = tdfx.h $(DRMHEADERS) $(DRMTEMPLATES)
R128OBJS = r128_drv.o r128_cce.o r128_state.o
R128OBJS = r128_drv.o r128_cce.o r128_state.o r128_irq.o
R128HEADERS = r128.h r128_drv.h r128_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
RADEONOBJS = radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
@ -158,7 +158,7 @@ MODS += i810.o
MODS += i830.o
endif
MGAOBJS = mga_drv.o mga_dma.o mga_state.o mga_warp.o
MGAOBJS = mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
MGAHEADERS = mga.h mga_drv.h mga_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
I810OBJS = i810_drv.o i810_dma.o

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@ -239,6 +239,7 @@ typedef struct _drm_mga_sarea {
#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x47, drm_mga_iload_t)
#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t)
#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(0x49, drm_mga_getparam_t)
typedef struct _drm_mga_warp_index {
int installed;
@ -322,4 +323,14 @@ typedef struct _drm_mga_blit {
int source_pitch, dest_pitch;
} drm_mga_blit_t;
/* 3.1: An ioctl to get parameters that aren't available to the 3d
* client any other way.
*/
#define MGA_PARAM_IRQ_NR 1
typedef struct drm_mga_getparam {
int param;
int *value;
} drm_mga_getparam_t;
#endif

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@ -125,6 +125,7 @@ extern int mga_dma_vertex( DRM_IOCTL_ARGS );
extern int mga_dma_indices( DRM_IOCTL_ARGS );
extern int mga_dma_iload( DRM_IOCTL_ARGS );
extern int mga_dma_blit( DRM_IOCTL_ARGS );
extern int mga_getparam( DRM_IOCTL_ARGS );
/* mga_warp.c */
extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv );
@ -141,6 +142,7 @@ extern int mga_warp_init( drm_mga_private_t *dev_priv );
#ifdef __alpha__
#define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg)))
#define MGA_READ8( reg ) (_MGA_READ((u8 *)MGA_ADDR(reg)))
#define MGA_WRITE( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0)
#define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0)
@ -152,6 +154,7 @@ static inline u32 _MGA_READ(u32 *addr)
#else
#define MGA_READ( reg ) MGA_DEREF( reg )
#define MGA_READ8( reg ) MGA_DEREF8( reg )
#define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0)
#define MGA_WRITE8( reg, val ) do { MGA_DEREF8( reg ) = val; } while (0)
#endif
@ -345,6 +348,11 @@ do { \
/* A reduced set of the mga registers.
*/
#define MGA_CRTC_INDEX 0x1fd4
#define MGA_CRTC_DATA 0x1fd5
/* CRTC11 */
#define MGA_VINTCLR (1 << 4)
#define MGA_VINTEN (1 << 5)
#define MGA_ALPHACTRL 0x2c7c
#define MGA_AR0 0x1c60
@ -416,8 +424,10 @@ do { \
#define MGA_ICLEAR 0x1e18
# define MGA_SOFTRAPICLR (1 << 0)
# define MGA_VLINEICLR (1 << 5)
#define MGA_IEN 0x1e1c
# define MGA_SOFTRAPIEN (1 << 0)
# define MGA_VLINEIEN (1 << 5)
#define MGA_LEN 0x1c5c
@ -456,6 +466,8 @@ do { \
# define MGA_SRCACC_AGP (1 << 1)
#define MGA_STATUS 0x1e14
# define MGA_SOFTRAPEN (1 << 0)
# define MGA_VSYNCPEN (1 << 4)
# define MGA_VLINEPEN (1 << 5)
# define MGA_DWGENGSTS (1 << 16)
# define MGA_ENDPRDMASTS (1 << 17)
#define MGA_STENCIL 0x2cc8

99
shared-core/mga_irq.c Normal file
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@ -0,0 +1,99 @@
/* mga_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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:
* Keith Whitwell <keith@tungstengraphics.com>
* Eric Anholt <anholt@FreeBSD.org>
*/
#include "mga.h"
#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
#include "mga_drv.h"
void mga_dma_service( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
int status;
status = MGA_READ( MGA_STATUS );
/* VBLANK interrupt */
if ( status & MGA_VLINEPEN ) {
MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR );
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
}
}
int mga_vblank_wait(drm_device_t *dev, unsigned int *sequence)
{
unsigned int cur_vblank;
int ret = 0;
/* Assume that the user has missed the current sequence number
* by about a day rather than she wants to wait for years
* using vertical blanks...
*/
DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
+ ~*sequence + 1 ) <= (1<<23) ) );
*sequence = cur_vblank;
return ret;
}
void mga_driver_irq_preinstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
/* Disable *all* interrupts */
MGA_WRITE( MGA_IEN, 0 );
/* Clear bits if they're already high */
MGA_WRITE( MGA_ICLEAR, ~0 );
}
void mga_driver_irq_postinstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
/* Turn on VBL interrupt */
MGA_WRITE( MGA_IEN, MGA_VLINEIEN );
}
void mga_driver_irq_uninstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
if ( dev_priv ) {
/* Disable *all* interrupts */
MGA_WRITE( MGA_IEN, 0 );
}
}

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@ -1075,3 +1075,36 @@ int mga_dma_blit( DRM_IOCTL_ARGS )
return 0;
}
int mga_getparam( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_getparam_t param;
int value;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( param, (drm_mga_getparam_t *)data,
sizeof(param) );
DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
switch( param.param ) {
case MGA_PARAM_IRQ_NR:
value = dev->irq;
break;
default:
return DRM_ERR(EINVAL);
}
if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}

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@ -190,6 +190,7 @@ typedef struct drm_r128_sarea {
#define DRM_IOCTL_R128_INDIRECT DRM_IOWR(0x4f, drm_r128_indirect_t)
#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( 0x50, drm_r128_fullscreen_t)
#define DRM_IOCTL_R128_CLEAR2 DRM_IOW( 0x51, drm_r128_clear2_t)
#define DRM_IOCTL_R128_GETPARAM DRM_IOW( 0x52, drm_r128_getparam_t)
typedef struct drm_r128_init {
enum {
@ -305,4 +306,14 @@ typedef struct drm_r128_fullscreen {
} func;
} drm_r128_fullscreen_t;
/* 2.3: An ioctl to get parameters that aren't available to the 3d
* client any other way.
*/
#define R128_PARAM_IRQ_NR 1
typedef struct drm_r128_getparam {
int param;
int *value;
} drm_r128_getparam_t;
#endif

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@ -124,6 +124,7 @@ extern int r128_cce_idle( DRM_IOCTL_ARGS );
extern int r128_engine_reset( DRM_IOCTL_ARGS );
extern int r128_fullscreen( DRM_IOCTL_ARGS );
extern int r128_cce_buffers( DRM_IOCTL_ARGS );
extern int r128_getparam( DRM_IOCTL_ARGS );
extern void r128_freelist_reset( drm_device_t *dev );
extern drm_buf_t *r128_freelist_get( drm_device_t *dev );
@ -213,6 +214,11 @@ extern int r128_cce_indirect( DRM_IOCTL_ARGS );
#define R128_DST_PITCH_OFFSET_C 0x1c80
# define R128_DST_TILE (1 << 31)
#define R128_GEN_INT_CNTL 0x0040
# define R128_CRTC_VBLANK_INT_EN (1 << 0)
#define R128_GEN_INT_STATUS 0x0044
# define R128_CRTC_VBLANK_INT (1 << 0)
# define R128_CRTC_VBLANK_INT_AK (1 << 0)
#define R128_GEN_RESET_CNTL 0x00f0
# define R128_SOFT_RESET_GUI (1 << 0)

99
shared-core/r128_irq.c Normal file
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@ -0,0 +1,99 @@
/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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:
* Keith Whitwell <keith@tungstengraphics.com>
* Eric Anholt <anholt@FreeBSD.org>
*/
#include "r128.h"
#include "drmP.h"
#include "drm.h"
#include "r128_drm.h"
#include "r128_drv.h"
void r128_dma_service( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
int status;
status = R128_READ( R128_GEN_INT_STATUS );
/* VBLANK interrupt */
if ( status & R128_CRTC_VBLANK_INT ) {
R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
}
}
int DRM(vblank_wait)(drm_device_t *dev, unsigned int *sequence)
{
unsigned int cur_vblank;
int ret = 0;
/* Assume that the user has missed the current sequence number
* by about a day rather than she wants to wait for years
* using vertical blanks...
*/
DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
+ ~*sequence + 1 ) <= (1<<23) ) );
*sequence = cur_vblank;
return ret;
}
void r128_driver_irq_preinstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
/* Disable *all* interrupts */
R128_WRITE( R128_GEN_INT_CNTL, 0 );
/* Clear vblank bit if it's already high */
R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
}
void r128_driver_irq_postinstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
/* Turn on VBL interrupt */
R128_WRITE( R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN );
}
void r128_driver_irq_uninstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
if ( dev_priv ) {
/* Disable *all* interrupts */
R128_WRITE( R128_GEN_INT_CNTL, 0 );
}
}

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@ -1564,3 +1564,36 @@ int r128_cce_indirect( DRM_IOCTL_ARGS )
return 0;
}
int r128_getparam( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_getparam_t param;
int value;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( param, (drm_r128_getparam_t *)data,
sizeof(param) );
DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
switch( param.param ) {
case R128_PARAM_IRQ_NR:
value = dev->irq;
break;
default:
return DRM_ERR(EINVAL);
}
if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}

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@ -45,11 +45,11 @@
#define DRIVER_NAME "mga"
#define DRIVER_DESC "Matrox G200/G400"
#define DRIVER_DATE "20010321"
#define DRIVER_DATE "20021029"
#define DRIVER_MAJOR 3
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 2
#define DRIVER_MINOR 1
#define DRIVER_PATCHLEVEL 0
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma_buffers, 1, 0 }, \
@ -61,7 +61,8 @@
[DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 },
[DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_MGA_GETPARAM)]= { mga_getparam, 1, 0 },
#define __HAVE_COUNTERS 3
#define __HAVE_COUNTER6 _DRM_STAT_IRQ
@ -77,6 +78,9 @@
/* DMA customization:
*/
#define __HAVE_DMA 1
#define __HAVE_DMA_IRQ 1
#define __HAVE_VBL_IRQ 1
#define __HAVE_SHARED_IRQ 1
#define __HAVE_DMA_QUIESCENT 1
#define DRIVER_DMA_QUIESCENT() do { \

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@ -239,6 +239,7 @@ typedef struct _drm_mga_sarea {
#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x47, drm_mga_iload_t)
#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t)
#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(0x49, drm_mga_getparam_t)
typedef struct _drm_mga_warp_index {
int installed;
@ -322,4 +323,14 @@ typedef struct _drm_mga_blit {
int source_pitch, dest_pitch;
} drm_mga_blit_t;
/* 3.1: An ioctl to get parameters that aren't available to the 3d
* client any other way.
*/
#define MGA_PARAM_IRQ_NR 1
typedef struct drm_mga_getparam {
int param;
int *value;
} drm_mga_getparam_t;
#endif

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@ -125,6 +125,7 @@ extern int mga_dma_vertex( DRM_IOCTL_ARGS );
extern int mga_dma_indices( DRM_IOCTL_ARGS );
extern int mga_dma_iload( DRM_IOCTL_ARGS );
extern int mga_dma_blit( DRM_IOCTL_ARGS );
extern int mga_getparam( DRM_IOCTL_ARGS );
/* mga_warp.c */
extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv );
@ -141,6 +142,7 @@ extern int mga_warp_init( drm_mga_private_t *dev_priv );
#ifdef __alpha__
#define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg)))
#define MGA_READ8( reg ) (_MGA_READ((u8 *)MGA_ADDR(reg)))
#define MGA_WRITE( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0)
#define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0)
@ -152,6 +154,7 @@ static inline u32 _MGA_READ(u32 *addr)
#else
#define MGA_READ( reg ) MGA_DEREF( reg )
#define MGA_READ8( reg ) MGA_DEREF8( reg )
#define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0)
#define MGA_WRITE8( reg, val ) do { MGA_DEREF8( reg ) = val; } while (0)
#endif
@ -345,6 +348,11 @@ do { \
/* A reduced set of the mga registers.
*/
#define MGA_CRTC_INDEX 0x1fd4
#define MGA_CRTC_DATA 0x1fd5
/* CRTC11 */
#define MGA_VINTCLR (1 << 4)
#define MGA_VINTEN (1 << 5)
#define MGA_ALPHACTRL 0x2c7c
#define MGA_AR0 0x1c60
@ -416,8 +424,10 @@ do { \
#define MGA_ICLEAR 0x1e18
# define MGA_SOFTRAPICLR (1 << 0)
# define MGA_VLINEICLR (1 << 5)
#define MGA_IEN 0x1e1c
# define MGA_SOFTRAPIEN (1 << 0)
# define MGA_VLINEIEN (1 << 5)
#define MGA_LEN 0x1c5c
@ -456,6 +466,8 @@ do { \
# define MGA_SRCACC_AGP (1 << 1)
#define MGA_STATUS 0x1e14
# define MGA_SOFTRAPEN (1 << 0)
# define MGA_VSYNCPEN (1 << 4)
# define MGA_VLINEPEN (1 << 5)
# define MGA_DWGENGSTS (1 << 16)
# define MGA_ENDPRDMASTS (1 << 17)
#define MGA_STENCIL 0x2cc8

99
shared/mga_irq.c Normal file
View File

@ -0,0 +1,99 @@
/* mga_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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:
* Keith Whitwell <keith@tungstengraphics.com>
* Eric Anholt <anholt@FreeBSD.org>
*/
#include "mga.h"
#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
#include "mga_drv.h"
void mga_dma_service( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
int status;
status = MGA_READ( MGA_STATUS );
/* VBLANK interrupt */
if ( status & MGA_VLINEPEN ) {
MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR );
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
}
}
int mga_vblank_wait(drm_device_t *dev, unsigned int *sequence)
{
unsigned int cur_vblank;
int ret = 0;
/* Assume that the user has missed the current sequence number
* by about a day rather than she wants to wait for years
* using vertical blanks...
*/
DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
+ ~*sequence + 1 ) <= (1<<23) ) );
*sequence = cur_vblank;
return ret;
}
void mga_driver_irq_preinstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
/* Disable *all* interrupts */
MGA_WRITE( MGA_IEN, 0 );
/* Clear bits if they're already high */
MGA_WRITE( MGA_ICLEAR, ~0 );
}
void mga_driver_irq_postinstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
/* Turn on VBL interrupt */
MGA_WRITE( MGA_IEN, MGA_VLINEIEN );
}
void mga_driver_irq_uninstall( drm_device_t *dev ) {
drm_mga_private_t *dev_priv =
(drm_mga_private_t *)dev->dev_private;
if ( dev_priv ) {
/* Disable *all* interrupts */
MGA_WRITE( MGA_IEN, 0 );
}
}

View File

@ -1075,3 +1075,36 @@ int mga_dma_blit( DRM_IOCTL_ARGS )
return 0;
}
int mga_getparam( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_getparam_t param;
int value;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( param, (drm_mga_getparam_t *)data,
sizeof(param) );
DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
switch( param.param ) {
case MGA_PARAM_IRQ_NR:
value = dev->irq;
break;
default:
return DRM_ERR(EINVAL);
}
if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}

View File

@ -47,10 +47,10 @@
#define DRIVER_NAME "r128"
#define DRIVER_DESC "ATI Rage 128"
#define DRIVER_DATE "20010917"
#define DRIVER_DATE "20021029"
#define DRIVER_MAJOR 2
#define DRIVER_MINOR 2
#define DRIVER_MINOR 3
#define DRIVER_PATCHLEVEL 0
@ -70,7 +70,8 @@
[DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 },
[DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, \
[DRM_IOCTL_NR(DRM_IOCTL_R128_GETPARAM)] = { r128_getparam, 1, 1 },
/* Driver customization:
*/
@ -90,6 +91,9 @@
/* DMA customization:
*/
#define __HAVE_DMA 1
#define __HAVE_DMA_IRQ 1
#define __HAVE_VBL_IRQ 1
#define __HAVE_SHARED_IRQ 1
#if 0
/* GH: Remove this for now... */

View File

@ -190,6 +190,7 @@ typedef struct drm_r128_sarea {
#define DRM_IOCTL_R128_INDIRECT DRM_IOWR(0x4f, drm_r128_indirect_t)
#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( 0x50, drm_r128_fullscreen_t)
#define DRM_IOCTL_R128_CLEAR2 DRM_IOW( 0x51, drm_r128_clear2_t)
#define DRM_IOCTL_R128_GETPARAM DRM_IOW( 0x52, drm_r128_getparam_t)
typedef struct drm_r128_init {
enum {
@ -305,4 +306,14 @@ typedef struct drm_r128_fullscreen {
} func;
} drm_r128_fullscreen_t;
/* 2.3: An ioctl to get parameters that aren't available to the 3d
* client any other way.
*/
#define R128_PARAM_IRQ_NR 1
typedef struct drm_r128_getparam {
int param;
int *value;
} drm_r128_getparam_t;
#endif

View File

@ -124,6 +124,7 @@ extern int r128_cce_idle( DRM_IOCTL_ARGS );
extern int r128_engine_reset( DRM_IOCTL_ARGS );
extern int r128_fullscreen( DRM_IOCTL_ARGS );
extern int r128_cce_buffers( DRM_IOCTL_ARGS );
extern int r128_getparam( DRM_IOCTL_ARGS );
extern void r128_freelist_reset( drm_device_t *dev );
extern drm_buf_t *r128_freelist_get( drm_device_t *dev );
@ -213,6 +214,11 @@ extern int r128_cce_indirect( DRM_IOCTL_ARGS );
#define R128_DST_PITCH_OFFSET_C 0x1c80
# define R128_DST_TILE (1 << 31)
#define R128_GEN_INT_CNTL 0x0040
# define R128_CRTC_VBLANK_INT_EN (1 << 0)
#define R128_GEN_INT_STATUS 0x0044
# define R128_CRTC_VBLANK_INT (1 << 0)
# define R128_CRTC_VBLANK_INT_AK (1 << 0)
#define R128_GEN_RESET_CNTL 0x00f0
# define R128_SOFT_RESET_GUI (1 << 0)

99
shared/r128_irq.c Normal file
View File

@ -0,0 +1,99 @@
/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
*
* 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:
* Keith Whitwell <keith@tungstengraphics.com>
* Eric Anholt <anholt@FreeBSD.org>
*/
#include "r128.h"
#include "drmP.h"
#include "drm.h"
#include "r128_drm.h"
#include "r128_drv.h"
void r128_dma_service( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *) arg;
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
int status;
status = R128_READ( R128_GEN_INT_STATUS );
/* VBLANK interrupt */
if ( status & R128_CRTC_VBLANK_INT ) {
R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
}
}
int DRM(vblank_wait)(drm_device_t *dev, unsigned int *sequence)
{
unsigned int cur_vblank;
int ret = 0;
/* Assume that the user has missed the current sequence number
* by about a day rather than she wants to wait for years
* using vertical blanks...
*/
DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
+ ~*sequence + 1 ) <= (1<<23) ) );
*sequence = cur_vblank;
return ret;
}
void r128_driver_irq_preinstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
/* Disable *all* interrupts */
R128_WRITE( R128_GEN_INT_CNTL, 0 );
/* Clear vblank bit if it's already high */
R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
}
void r128_driver_irq_postinstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
/* Turn on VBL interrupt */
R128_WRITE( R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN );
}
void r128_driver_irq_uninstall( drm_device_t *dev ) {
drm_r128_private_t *dev_priv =
(drm_r128_private_t *)dev->dev_private;
if ( dev_priv ) {
/* Disable *all* interrupts */
R128_WRITE( R128_GEN_INT_CNTL, 0 );
}
}

View File

@ -1564,3 +1564,36 @@ int r128_cce_indirect( DRM_IOCTL_ARGS )
return 0;
}
int r128_getparam( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_getparam_t param;
int value;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( param, (drm_r128_getparam_t *)data,
sizeof(param) );
DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
switch( param.param ) {
case R128_PARAM_IRQ_NR:
value = dev->irq;
break;
default:
return DRM_ERR(EINVAL);
}
if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return DRM_ERR(EFAULT);
}
return 0;
}