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/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
* Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*
* 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
* VA LINUX SYSTEMS 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:
* Gareth Hughes <gareth@valinux.com>
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/drm/mga_drv.h 234754 2012-04-28 09:18:20Z dim $");
#ifndef __MGA_DRV_H__
#define __MGA_DRV_H__
/* General customization:
*/
#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
#define DRIVER_NAME "mga"
#define DRIVER_DESC "Matrox G200/G400"
#define DRIVER_DATE "20060319"
#define DRIVER_MAJOR 3
#define DRIVER_MINOR 2
#define DRIVER_PATCHLEVEL 2
typedef struct drm_mga_primary_buffer {
u8 *start;
u8 *end;
int size;
u32 tail;
int space;
volatile long wrapped;
volatile u32 *status;
u32 last_flush;
u32 last_wrap;
u32 high_mark;
} drm_mga_primary_buffer_t;
typedef struct drm_mga_freelist {
struct drm_mga_freelist *next;
struct drm_mga_freelist *prev;
drm_mga_age_t age;
struct drm_buf *buf;
} drm_mga_freelist_t;
typedef struct {
drm_mga_freelist_t *list_entry;
int discard;
int dispatched;
} drm_mga_buf_priv_t;
typedef struct drm_mga_private {
drm_mga_primary_buffer_t prim;
drm_mga_sarea_t *sarea_priv;
drm_mga_freelist_t *head;
drm_mga_freelist_t *tail;
unsigned int warp_pipe;
unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
int chipset;
int usec_timeout;
/**
* If set, the new DMA initialization sequence was used. This is
* primarilly used to select how the driver should uninitialized its
* internal DMA structures.
*/
int used_new_dma_init;
/**
* If AGP memory is used for DMA buffers, this will be the value
* \c MGA_PAGPXFER. Otherwise, it will be zero (for a PCI transfer).
*/
u32 dma_access;
/**
* If AGP memory is used for DMA buffers, this will be the value
* \c MGA_WAGP_ENABLE. Otherwise, it will be zero (for a PCI
* transfer).
*/
u32 wagp_enable;
/**
* \name MMIO region parameters.
*
* \sa drm_mga_private_t::mmio
*/
/*@{*/
u32 mmio_base; /**< Bus address of base of MMIO. */
u32 mmio_size; /**< Size of the MMIO region. */
/*@}*/
u32 clear_cmd;
u32 maccess;
atomic_t vbl_received; /**< Number of vblanks received. */
wait_queue_head_t fence_queue;
atomic_t last_fence_retired;
u32 next_fence_to_post;
unsigned int fb_cpp;
unsigned int front_offset;
unsigned int front_pitch;
unsigned int back_offset;
unsigned int back_pitch;
unsigned int depth_cpp;
unsigned int depth_offset;
unsigned int depth_pitch;
unsigned int texture_offset;
unsigned int texture_size;
drm_local_map_t *sarea;
drm_local_map_t *mmio;
drm_local_map_t *status;
drm_local_map_t *warp;
drm_local_map_t *primary;
drm_local_map_t *agp_textures;
unsigned long agp_handle;
unsigned int agp_size;
} drm_mga_private_t;
extern struct drm_ioctl_desc mga_ioctls[];
extern int mga_max_ioctl;
/* mga_dma.c */
extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mga_dma_init(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mga_dma_flush(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mga_dma_reset(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mga_dma_buffers(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
extern int mga_driver_unload(struct drm_device * dev);
extern void mga_driver_lastclose(struct drm_device * dev);
extern int mga_driver_dma_quiescent(struct drm_device * dev);
extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv);
extern void mga_do_dma_flush(drm_mga_private_t * dev_priv);
extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv);
extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv);
extern int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf);
/* mga_warp.c */
extern unsigned int mga_warp_microcode_size(const drm_mga_private_t * dev_priv);
extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
extern int mga_warp_init(drm_mga_private_t * dev_priv);
/* mga_irq.c */
extern int mga_enable_vblank(struct drm_device *dev, int crtc);
extern void mga_disable_vblank(struct drm_device *dev, int crtc);
extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc);
extern int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence);
extern int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
extern void mga_driver_irq_preinstall(struct drm_device * dev);
extern int mga_driver_irq_postinstall(struct drm_device * dev);
extern void mga_driver_irq_uninstall(struct drm_device * dev);
extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
#define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER()
#if defined(__linux__) && defined(__alpha__)
#define MGA_BASE( reg ) ((unsigned long)(dev_priv->mmio->handle))
#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg)
#define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg )
#define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg )
#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)
static inline u32 _MGA_READ(u32 * addr)
{
DRM_MEMORYBARRIER();
return *(volatile u32 *)addr;
}
#else
#define MGA_READ8( reg ) DRM_READ8(dev_priv->mmio, (reg))
#define MGA_READ( reg ) DRM_READ32(dev_priv->mmio, (reg))
#define MGA_WRITE8( reg, val ) DRM_WRITE8(dev_priv->mmio, (reg), (val))
#define MGA_WRITE( reg, val ) DRM_WRITE32(dev_priv->mmio, (reg), (val))
#endif
#define DWGREG0 0x1c00
#define DWGREG0_END 0x1dff
#define DWGREG1 0x2c00
#define DWGREG1_END 0x2dff
#define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END)
#define DMAREG0(r) (u8)((r - DWGREG0) >> 2)
#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80)
#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
/* ================================================================
* Helper macross...
*/
#define MGA_EMIT_STATE( dev_priv, dirty ) \
do { \
if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \
if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) { \
mga_g400_emit_state( dev_priv ); \
} else { \
mga_g200_emit_state( dev_priv ); \
} \
} \
} while (0)
#define WRAP_TEST_WITH_RETURN( dev_priv ) \
do { \
if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \
if ( mga_is_idle( dev_priv ) ) { \
mga_do_dma_wrap_end( dev_priv ); \
} else if ( dev_priv->prim.space < \
dev_priv->prim.high_mark ) { \
if ( MGA_DMA_DEBUG ) \
DRM_INFO( "wrap...\n"); \
return -EBUSY; \
} \
} \
} while (0)
#define WRAP_WAIT_WITH_RETURN( dev_priv ) \
do { \
if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \
if ( mga_do_wait_for_idle( dev_priv ) < 0 ) { \
if ( MGA_DMA_DEBUG ) \
DRM_INFO( "wrap...\n"); \
return -EBUSY; \
} \
mga_do_dma_wrap_end( dev_priv ); \
} \
} while (0)
/* ================================================================
* Primary DMA command stream
*/
#define MGA_VERBOSE 0
#define DMA_LOCALS unsigned int write; volatile u8 *prim;
#define DMA_BLOCK_SIZE (5 * sizeof(u32))
#define BEGIN_DMA( n ) \
do { \
if ( MGA_VERBOSE ) { \
DRM_INFO( "BEGIN_DMA( %d )\n", (n) ); \
DRM_INFO( " space=0x%x req=0x%zx\n", \
dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \
} \
prim = dev_priv->prim.start; \
write = dev_priv->prim.tail; \
} while (0)
#define BEGIN_DMA_WRAP() \
do { \
if ( MGA_VERBOSE ) { \
DRM_INFO( "BEGIN_DMA()\n" ); \
DRM_INFO( " space=0x%x\n", dev_priv->prim.space ); \
} \
prim = dev_priv->prim.start; \
write = dev_priv->prim.tail; \
} while (0)
#define ADVANCE_DMA() \
do { \
dev_priv->prim.tail = write; \
if ( MGA_VERBOSE ) { \
DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \
write, dev_priv->prim.space ); \
} \
} while (0)
#define FLUSH_DMA() \
do { \
if ( 0 ) { \
DRM_INFO( "\n" ); \
DRM_INFO( " tail=0x%06x head=0x%06lx\n", \
dev_priv->prim.tail, \
MGA_READ( MGA_PRIMADDRESS ) - \
dev_priv->primary->offset ); \
} \
if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) { \
if ( dev_priv->prim.space < \
dev_priv->prim.high_mark ) { \
mga_do_dma_wrap_start( dev_priv ); \
} else { \
mga_do_dma_flush( dev_priv ); \
} \
} \
} while (0)
/* Never use this, always use DMA_BLOCK(...) for primary DMA output.
*/
#define DMA_WRITE( offset, val ) \
do { \
if ( MGA_VERBOSE ) { \
DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04zx\n", \
(u32)(val), write + (offset) * sizeof(u32) ); \
} \
*(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \
} while (0)
#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \
do { \
DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \
(DMAREG( reg1 ) << 8) | \
(DMAREG( reg2 ) << 16) | \
(DMAREG( reg3 ) << 24)) ); \
DMA_WRITE( 1, val0 ); \
DMA_WRITE( 2, val1 ); \
DMA_WRITE( 3, val2 ); \
DMA_WRITE( 4, val3 ); \
write += DMA_BLOCK_SIZE; \
} while (0)
/* Buffer aging via primary DMA stream head pointer.
*/
#define SET_AGE( age, h, w ) \
do { \
(age)->head = h; \
(age)->wrap = w; \
} while (0)
#define TEST_AGE( age, h, w ) ( (age)->wrap < w || \
( (age)->wrap == w && \
(age)->head < h ) )
#define AGE_BUFFER( buf_priv ) \
do { \
drm_mga_freelist_t *entry = (buf_priv)->list_entry; \
if ( (buf_priv)->dispatched ) { \
entry->age.head = (dev_priv->prim.tail + \
dev_priv->primary->offset); \
entry->age.wrap = dev_priv->sarea_priv->last_wrap; \
} else { \
entry->age.head = 0; \
entry->age.wrap = 0; \
} \
} while (0)
#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \
MGA_DWGENGSTS | \
MGA_ENDPRDMASTS)
#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \
MGA_ENDPRDMASTS)
#define MGA_DMA_DEBUG 0
/* 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
#define MGA_AR1 0x1c64
#define MGA_AR2 0x1c68
#define MGA_AR3 0x1c6c
#define MGA_AR4 0x1c70
#define MGA_AR5 0x1c74
#define MGA_AR6 0x1c78
#define MGA_CXBNDRY 0x1c80
#define MGA_CXLEFT 0x1ca0
#define MGA_CXRIGHT 0x1ca4
#define MGA_DMAPAD 0x1c54
#define MGA_DSTORG 0x2cb8
#define MGA_DWGCTL 0x1c00
# define MGA_OPCOD_MASK (15 << 0)
# define MGA_OPCOD_TRAP (4 << 0)
# define MGA_OPCOD_TEXTURE_TRAP (6 << 0)
# define MGA_OPCOD_BITBLT (8 << 0)
# define MGA_OPCOD_ILOAD (9 << 0)
# define MGA_ATYPE_MASK (7 << 4)
# define MGA_ATYPE_RPL (0 << 4)
# define MGA_ATYPE_RSTR (1 << 4)
# define MGA_ATYPE_ZI (3 << 4)
# define MGA_ATYPE_BLK (4 << 4)
# define MGA_ATYPE_I (7 << 4)
# define MGA_LINEAR (1 << 7)
# define MGA_ZMODE_MASK (7 << 8)
# define MGA_ZMODE_NOZCMP (0 << 8)
# define MGA_ZMODE_ZE (2 << 8)
# define MGA_ZMODE_ZNE (3 << 8)
# define MGA_ZMODE_ZLT (4 << 8)
# define MGA_ZMODE_ZLTE (5 << 8)
# define MGA_ZMODE_ZGT (6 << 8)
# define MGA_ZMODE_ZGTE (7 << 8)
# define MGA_SOLID (1 << 11)
# define MGA_ARZERO (1 << 12)
# define MGA_SGNZERO (1 << 13)
# define MGA_SHIFTZERO (1 << 14)
# define MGA_BOP_MASK (15 << 16)
# define MGA_BOP_ZERO (0 << 16)
# define MGA_BOP_DST (10 << 16)
# define MGA_BOP_SRC (12 << 16)
# define MGA_BOP_ONE (15 << 16)
# define MGA_TRANS_SHIFT 20
# define MGA_TRANS_MASK (15 << 20)
# define MGA_BLTMOD_MASK (15 << 25)
# define MGA_BLTMOD_BMONOLEF (0 << 25)
# define MGA_BLTMOD_BMONOWF (4 << 25)
# define MGA_BLTMOD_PLAN (1 << 25)
# define MGA_BLTMOD_BFCOL (2 << 25)
# define MGA_BLTMOD_BU32BGR (3 << 25)
# define MGA_BLTMOD_BU32RGB (7 << 25)
# define MGA_BLTMOD_BU24BGR (11 << 25)
# define MGA_BLTMOD_BU24RGB (15 << 25)
# define MGA_PATTERN (1 << 29)
# define MGA_TRANSC (1 << 30)
# define MGA_CLIPDIS (1 << 31)
#define MGA_DWGSYNC 0x2c4c
#define MGA_FCOL 0x1c24
#define MGA_FIFOSTATUS 0x1e10
#define MGA_FOGCOL 0x1cf4
#define MGA_FXBNDRY 0x1c84
#define MGA_FXLEFT 0x1ca8
#define MGA_FXRIGHT 0x1cac
#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
#define MGA_MACCESS 0x1c04
#define MGA_PITCH 0x1c8c
#define MGA_PLNWT 0x1c1c
#define MGA_PRIMADDRESS 0x1e58
# define MGA_DMA_GENERAL (0 << 0)
# define MGA_DMA_BLIT (1 << 0)
# define MGA_DMA_VECTOR (2 << 0)
# define MGA_DMA_VERTEX (3 << 0)
#define MGA_PRIMEND 0x1e5c
# define MGA_PRIMNOSTART (1 << 0)
# define MGA_PAGPXFER (1 << 1)
#define MGA_PRIMPTR 0x1e50
# define MGA_PRIMPTREN0 (1 << 0)
# define MGA_PRIMPTREN1 (1 << 1)
#define MGA_RST 0x1e40
# define MGA_SOFTRESET (1 << 0)
# define MGA_SOFTEXTRST (1 << 1)
#define MGA_SECADDRESS 0x2c40
#define MGA_SECEND 0x2c44
#define MGA_SETUPADDRESS 0x2cd0
#define MGA_SETUPEND 0x2cd4
#define MGA_SGN 0x1c58
#define MGA_SOFTRAP 0x2c48
#define MGA_SRCORG 0x2cb4
# define MGA_SRMMAP_MASK (1 << 0)
# define MGA_SRCMAP_FB (0 << 0)
# define MGA_SRCMAP_SYSMEM (1 << 0)
# define MGA_SRCACC_MASK (1 << 1)
# define MGA_SRCACC_PCI (0 << 1)
# 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
#define MGA_STENCILCTL 0x2ccc
#define MGA_TDUALSTAGE0 0x2cf8
#define MGA_TDUALSTAGE1 0x2cfc
#define MGA_TEXBORDERCOL 0x2c5c
#define MGA_TEXCTL 0x2c30
#define MGA_TEXCTL2 0x2c3c
# define MGA_DUALTEX (1 << 7)
# define MGA_G400_TC2_MAGIC (1 << 15)
# define MGA_MAP1_ENABLE (1 << 31)
#define MGA_TEXFILTER 0x2c58
#define MGA_TEXHEIGHT 0x2c2c
#define MGA_TEXORG 0x2c24
# define MGA_TEXORGMAP_MASK (1 << 0)
# define MGA_TEXORGMAP_FB (0 << 0)
# define MGA_TEXORGMAP_SYSMEM (1 << 0)
# define MGA_TEXORGACC_MASK (1 << 1)
# define MGA_TEXORGACC_PCI (0 << 1)
# define MGA_TEXORGACC_AGP (1 << 1)
#define MGA_TEXORG1 0x2ca4
#define MGA_TEXORG2 0x2ca8
#define MGA_TEXORG3 0x2cac
#define MGA_TEXORG4 0x2cb0
#define MGA_TEXTRANS 0x2c34
#define MGA_TEXTRANSHIGH 0x2c38
#define MGA_TEXWIDTH 0x2c28
#define MGA_WACCEPTSEQ 0x1dd4
#define MGA_WCODEADDR 0x1e6c
#define MGA_WFLAG 0x1dc4
#define MGA_WFLAG1 0x1de0
#define MGA_WFLAGNB 0x1e64
#define MGA_WFLAGNB1 0x1e08
#define MGA_WGETMSB 0x1dc8
#define MGA_WIADDR 0x1dc0
#define MGA_WIADDR2 0x1dd8
# define MGA_WMODE_SUSPEND (0 << 0)
# define MGA_WMODE_RESUME (1 << 0)
# define MGA_WMODE_JUMP (2 << 0)
# define MGA_WMODE_START (3 << 0)
# define MGA_WAGP_ENABLE (1 << 2)
#define MGA_WMISC 0x1e70
# define MGA_WUCODECACHE_ENABLE (1 << 0)
# define MGA_WMASTER_ENABLE (1 << 1)
# define MGA_WCACHEFLUSH_ENABLE (1 << 3)
#define MGA_WVRTXSZ 0x1dcc
#define MGA_YBOT 0x1c9c
#define MGA_YDST 0x1c90
#define MGA_YDSTLEN 0x1c88
#define MGA_YDSTORG 0x1c94
#define MGA_YTOP 0x1c98
#define MGA_ZORG 0x1c0c
/* This finishes the current batch of commands
*/
#define MGA_EXEC 0x0100
/* AGP PLL encoding (for G200 only).
*/
#define MGA_AGP_PLL 0x1e4c
# define MGA_AGP2XPLL_DISABLE (0 << 0)
# define MGA_AGP2XPLL_ENABLE (1 << 0)
/* Warp registers
*/
#define MGA_WR0 0x2d00
#define MGA_WR1 0x2d04
#define MGA_WR2 0x2d08
#define MGA_WR3 0x2d0c
#define MGA_WR4 0x2d10
#define MGA_WR5 0x2d14
#define MGA_WR6 0x2d18
#define MGA_WR7 0x2d1c
#define MGA_WR8 0x2d20
#define MGA_WR9 0x2d24
#define MGA_WR10 0x2d28
#define MGA_WR11 0x2d2c
#define MGA_WR12 0x2d30
#define MGA_WR13 0x2d34
#define MGA_WR14 0x2d38
#define MGA_WR15 0x2d3c
#define MGA_WR16 0x2d40
#define MGA_WR17 0x2d44
#define MGA_WR18 0x2d48
#define MGA_WR19 0x2d4c
#define MGA_WR20 0x2d50
#define MGA_WR21 0x2d54
#define MGA_WR22 0x2d58
#define MGA_WR23 0x2d5c
#define MGA_WR24 0x2d60
#define MGA_WR25 0x2d64
#define MGA_WR26 0x2d68
#define MGA_WR27 0x2d6c
#define MGA_WR28 0x2d70
#define MGA_WR29 0x2d74
#define MGA_WR30 0x2d78
#define MGA_WR31 0x2d7c
#define MGA_WR32 0x2d80
#define MGA_WR33 0x2d84
#define MGA_WR34 0x2d88
#define MGA_WR35 0x2d8c
#define MGA_WR36 0x2d90
#define MGA_WR37 0x2d94
#define MGA_WR38 0x2d98
#define MGA_WR39 0x2d9c
#define MGA_WR40 0x2da0
#define MGA_WR41 0x2da4
#define MGA_WR42 0x2da8
#define MGA_WR43 0x2dac
#define MGA_WR44 0x2db0
#define MGA_WR45 0x2db4
#define MGA_WR46 0x2db8
#define MGA_WR47 0x2dbc
#define MGA_WR48 0x2dc0
#define MGA_WR49 0x2dc4
#define MGA_WR50 0x2dc8
#define MGA_WR51 0x2dcc
#define MGA_WR52 0x2dd0
#define MGA_WR53 0x2dd4
#define MGA_WR54 0x2dd8
#define MGA_WR55 0x2ddc
#define MGA_WR56 0x2de0
#define MGA_WR57 0x2de4
#define MGA_WR58 0x2de8
#define MGA_WR59 0x2dec
#define MGA_WR60 0x2df0
#define MGA_WR61 0x2df4
#define MGA_WR62 0x2df8
#define MGA_WR63 0x2dfc
# define MGA_G400_WR_MAGIC (1 << 6)
# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */
#define MGA_ILOAD_ALIGN 64
#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1)
#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \
MGA_ATYPE_I | \
MGA_ZMODE_NOZCMP | \
MGA_ARZERO | \
MGA_SGNZERO | \
MGA_BOP_SRC | \
(15 << MGA_TRANS_SHIFT))
#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \
MGA_ZMODE_NOZCMP | \
MGA_SOLID | \
MGA_ARZERO | \
MGA_SGNZERO | \
MGA_SHIFTZERO | \
MGA_BOP_SRC | \
(0 << MGA_TRANS_SHIFT) | \
MGA_BLTMOD_BMONOLEF | \
MGA_TRANSC | \
MGA_CLIPDIS)
#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \
MGA_ATYPE_RPL | \
MGA_SGNZERO | \
MGA_SHIFTZERO | \
MGA_BOP_SRC | \
(0 << MGA_TRANS_SHIFT) | \
MGA_BLTMOD_BFCOL | \
MGA_CLIPDIS)
/* Simple idle test.
*/
static __inline__ int mga_is_idle(drm_mga_private_t * dev_priv)
{
u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
return (status == MGA_ENDPRDMASTS);
}
#endif