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mga_drv.h revision 1.1.1.2.30.1
      1 /*	$NetBSD: mga_drv.h,v 1.1.1.2.30.1 2019/06/10 22:08:06 christos Exp $	*/
      2 
      3 /* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
      4  * Created: Mon Dec 13 01:50:01 1999 by jhartmann (at) precisioninsight.com
      5  *
      6  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
      7  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
      8  * All rights reserved.
      9  *
     10  * Permission is hereby granted, free of charge, to any person obtaining a
     11  * copy of this software and associated documentation files (the "Software"),
     12  * to deal in the Software without restriction, including without limitation
     13  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     14  * and/or sell copies of the Software, and to permit persons to whom the
     15  * Software is furnished to do so, subject to the following conditions:
     16  *
     17  * The above copyright notice and this permission notice (including the next
     18  * paragraph) shall be included in all copies or substantial portions of the
     19  * Software.
     20  *
     21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     24  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     27  * OTHER DEALINGS IN THE SOFTWARE.
     28  *
     29  * Authors:
     30  *    Gareth Hughes <gareth (at) valinux.com>
     31  */
     32 
     33 #ifndef __MGA_DRV_H__
     34 #define __MGA_DRV_H__
     35 
     36 #include <drm/drm_legacy.h>
     37 
     38 /* General customization:
     39  */
     40 
     41 #define DRIVER_AUTHOR		"Gareth Hughes, VA Linux Systems Inc."
     42 
     43 #define DRIVER_NAME		"mga"
     44 #define DRIVER_DESC		"Matrox G200/G400"
     45 #define DRIVER_DATE		"20051102"
     46 
     47 #define DRIVER_MAJOR		3
     48 #define DRIVER_MINOR		2
     49 #define DRIVER_PATCHLEVEL	1
     50 
     51 typedef struct drm_mga_primary_buffer {
     52 	u8 *start;
     53 	u8 *end;
     54 	int size;
     55 
     56 	u32 tail;
     57 	int space;
     58 	volatile long wrapped;
     59 
     60 	volatile u32 *status;
     61 
     62 	u32 last_flush;
     63 	u32 last_wrap;
     64 
     65 	u32 high_mark;
     66 } drm_mga_primary_buffer_t;
     67 
     68 typedef struct drm_mga_freelist {
     69 	struct drm_mga_freelist *next;
     70 	struct drm_mga_freelist *prev;
     71 	drm_mga_age_t age;
     72 	struct drm_buf *buf;
     73 } drm_mga_freelist_t;
     74 
     75 typedef struct {
     76 	drm_mga_freelist_t *list_entry;
     77 	int discard;
     78 	int dispatched;
     79 } drm_mga_buf_priv_t;
     80 
     81 typedef struct drm_mga_private {
     82 	drm_mga_primary_buffer_t prim;
     83 	drm_mga_sarea_t *sarea_priv;
     84 
     85 	drm_mga_freelist_t *head;
     86 	drm_mga_freelist_t *tail;
     87 
     88 	unsigned int warp_pipe;
     89 	unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
     90 
     91 	int chipset;
     92 	int usec_timeout;
     93 
     94 	/**
     95 	 * If set, the new DMA initialization sequence was used.  This is
     96 	 * primarilly used to select how the driver should uninitialized its
     97 	 * internal DMA structures.
     98 	 */
     99 	int used_new_dma_init;
    100 
    101 	/**
    102 	 * If AGP memory is used for DMA buffers, this will be the value
    103 	 * \c MGA_PAGPXFER.  Otherwise, it will be zero (for a PCI transfer).
    104 	 */
    105 	u32 dma_access;
    106 
    107 	/**
    108 	 * If AGP memory is used for DMA buffers, this will be the value
    109 	 * \c MGA_WAGP_ENABLE.  Otherwise, it will be zero (for a PCI
    110 	 * transfer).
    111 	 */
    112 	u32 wagp_enable;
    113 
    114 	/**
    115 	 * \name MMIO region parameters.
    116 	 *
    117 	 * \sa drm_mga_private_t::mmio
    118 	 */
    119 	/*@{ */
    120 	resource_size_t mmio_base;	   /**< Bus address of base of MMIO. */
    121 	resource_size_t mmio_size;	   /**< Size of the MMIO region. */
    122 	/*@} */
    123 
    124 	u32 clear_cmd;
    125 	u32 maccess;
    126 
    127 	atomic_t vbl_received;          /**< Number of vblanks received. */
    128 	wait_queue_head_t fence_queue;
    129 	atomic_t last_fence_retired;
    130 	u32 next_fence_to_post;
    131 
    132 	unsigned int fb_cpp;
    133 	unsigned int front_offset;
    134 	unsigned int front_pitch;
    135 	unsigned int back_offset;
    136 	unsigned int back_pitch;
    137 
    138 	unsigned int depth_cpp;
    139 	unsigned int depth_offset;
    140 	unsigned int depth_pitch;
    141 
    142 	unsigned int texture_offset;
    143 	unsigned int texture_size;
    144 
    145 	drm_local_map_t *sarea;
    146 	drm_local_map_t *mmio;
    147 	drm_local_map_t *status;
    148 	drm_local_map_t *warp;
    149 	drm_local_map_t *primary;
    150 	drm_local_map_t *agp_textures;
    151 
    152 	unsigned long agp_handle;
    153 	unsigned int agp_size;
    154 } drm_mga_private_t;
    155 
    156 extern const struct drm_ioctl_desc mga_ioctls[];
    157 extern int mga_max_ioctl;
    158 
    159 				/* mga_dma.c */
    160 extern int mga_dma_bootstrap(struct drm_device *dev, void *data,
    161 			     struct drm_file *file_priv);
    162 extern int mga_dma_init(struct drm_device *dev, void *data,
    163 			struct drm_file *file_priv);
    164 extern int mga_dma_flush(struct drm_device *dev, void *data,
    165 			 struct drm_file *file_priv);
    166 extern int mga_dma_reset(struct drm_device *dev, void *data,
    167 			 struct drm_file *file_priv);
    168 extern int mga_dma_buffers(struct drm_device *dev, void *data,
    169 			   struct drm_file *file_priv);
    170 extern int mga_driver_load(struct drm_device *dev, unsigned long flags);
    171 extern int mga_driver_unload(struct drm_device *dev);
    172 extern void mga_driver_lastclose(struct drm_device *dev);
    173 extern int mga_driver_dma_quiescent(struct drm_device *dev);
    174 
    175 extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv);
    176 
    177 extern void mga_do_dma_flush(drm_mga_private_t *dev_priv);
    178 extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv);
    179 extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv);
    180 
    181 extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf);
    182 
    183 				/* mga_warp.c */
    184 extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv);
    185 extern int mga_warp_init(drm_mga_private_t *dev_priv);
    186 
    187 				/* mga_irq.c */
    188 extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe);
    189 extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe);
    190 extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
    191 extern int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence);
    192 extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
    193 extern irqreturn_t mga_driver_irq_handler(int irq, void *arg);
    194 extern void mga_driver_irq_preinstall(struct drm_device *dev);
    195 extern int mga_driver_irq_postinstall(struct drm_device *dev);
    196 extern void mga_driver_irq_uninstall(struct drm_device *dev);
    197 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
    198 			     unsigned long arg);
    199 
    200 #define mga_flush_write_combine()	wmb()
    201 
    202 #define MGA_READ8(reg)		DRM_READ8(dev_priv->mmio, (reg))
    203 #define MGA_READ(reg)		DRM_READ32(dev_priv->mmio, (reg))
    204 #define MGA_WRITE8(reg, val)	DRM_WRITE8(dev_priv->mmio, (reg), (val))
    205 #define MGA_WRITE(reg, val)	DRM_WRITE32(dev_priv->mmio, (reg), (val))
    206 
    207 #define DWGREG0		0x1c00
    208 #define DWGREG0_END	0x1dff
    209 #define DWGREG1		0x2c00
    210 #define DWGREG1_END	0x2dff
    211 
    212 #define ISREG0(r)	(r >= DWGREG0 && r <= DWGREG0_END)
    213 #define DMAREG0(r)	(u8)((r - DWGREG0) >> 2)
    214 #define DMAREG1(r)	(u8)(((r - DWGREG1) >> 2) | 0x80)
    215 #define DMAREG(r)	(ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
    216 
    217 /* ================================================================
    218  * Helper macross...
    219  */
    220 
    221 #define MGA_EMIT_STATE(dev_priv, dirty)					\
    222 do {									\
    223 	if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) {				\
    224 		if (dev_priv->chipset >= MGA_CARD_TYPE_G400)		\
    225 			mga_g400_emit_state(dev_priv);			\
    226 		else							\
    227 			mga_g200_emit_state(dev_priv);			\
    228 	}								\
    229 } while (0)
    230 
    231 #define WRAP_TEST_WITH_RETURN(dev_priv)					\
    232 do {									\
    233 	if (test_bit(0, &dev_priv->prim.wrapped)) {			\
    234 		if (mga_is_idle(dev_priv)) {				\
    235 			mga_do_dma_wrap_end(dev_priv);			\
    236 		} else if (dev_priv->prim.space <			\
    237 			   dev_priv->prim.high_mark) {			\
    238 			if (MGA_DMA_DEBUG)				\
    239 				DRM_INFO("wrap...\n");			\
    240 			return -EBUSY;					\
    241 		}							\
    242 	}								\
    243 } while (0)
    244 
    245 #define WRAP_WAIT_WITH_RETURN(dev_priv)					\
    246 do {									\
    247 	if (test_bit(0, &dev_priv->prim.wrapped)) {			\
    248 		if (mga_do_wait_for_idle(dev_priv) < 0) {		\
    249 			if (MGA_DMA_DEBUG)				\
    250 				DRM_INFO("wrap...\n");			\
    251 			return -EBUSY;					\
    252 		}							\
    253 		mga_do_dma_wrap_end(dev_priv);				\
    254 	}								\
    255 } while (0)
    256 
    257 /* ================================================================
    258  * Primary DMA command stream
    259  */
    260 
    261 #define MGA_VERBOSE	0
    262 
    263 #define DMA_LOCALS	unsigned int write; volatile u8 *prim;
    264 
    265 #define DMA_BLOCK_SIZE	(5 * sizeof(u32))
    266 
    267 #define BEGIN_DMA(n)							\
    268 do {									\
    269 	if (MGA_VERBOSE) {						\
    270 		DRM_INFO("BEGIN_DMA(%d)\n", (n));			\
    271 		DRM_INFO("   space=0x%x req=0x%Zx\n",			\
    272 			 dev_priv->prim.space, (n) * DMA_BLOCK_SIZE);	\
    273 	}								\
    274 	prim = dev_priv->prim.start;					\
    275 	write = dev_priv->prim.tail;					\
    276 } while (0)
    277 
    278 #define BEGIN_DMA_WRAP()						\
    279 do {									\
    280 	if (MGA_VERBOSE) {						\
    281 		DRM_INFO("BEGIN_DMA()\n");				\
    282 		DRM_INFO("   space=0x%x\n", dev_priv->prim.space);	\
    283 	}								\
    284 	prim = dev_priv->prim.start;					\
    285 	write = dev_priv->prim.tail;					\
    286 } while (0)
    287 
    288 #define ADVANCE_DMA()							\
    289 do {									\
    290 	dev_priv->prim.tail = write;					\
    291 	if (MGA_VERBOSE)						\
    292 		DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n",		\
    293 			 write, dev_priv->prim.space);			\
    294 } while (0)
    295 
    296 #define FLUSH_DMA()							\
    297 do {									\
    298 	if (0) {							\
    299 		DRM_INFO("\n");						\
    300 		DRM_INFO("   tail=0x%06x head=0x%06lx\n",		\
    301 			 dev_priv->prim.tail,				\
    302 			 (unsigned long)(MGA_READ(MGA_PRIMADDRESS) -	\
    303 					 dev_priv->primary->offset));	\
    304 	}								\
    305 	if (!test_bit(0, &dev_priv->prim.wrapped)) {			\
    306 		if (dev_priv->prim.space < dev_priv->prim.high_mark)	\
    307 			mga_do_dma_wrap_start(dev_priv);		\
    308 		else							\
    309 			mga_do_dma_flush(dev_priv);			\
    310 	}								\
    311 } while (0)
    312 
    313 /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
    314  */
    315 #define DMA_WRITE(offset, val)						\
    316 do {									\
    317 	if (MGA_VERBOSE)						\
    318 		DRM_INFO("   DMA_WRITE( 0x%08x ) at 0x%04Zx\n",		\
    319 			 (u32)(val), write + (offset) * sizeof(u32));	\
    320 	*(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val;	\
    321 } while (0)
    322 
    323 #define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3)	\
    324 do {									\
    325 	DMA_WRITE(0, ((DMAREG(reg0) << 0) |				\
    326 		      (DMAREG(reg1) << 8) |				\
    327 		      (DMAREG(reg2) << 16) |				\
    328 		      (DMAREG(reg3) << 24)));				\
    329 	DMA_WRITE(1, val0);						\
    330 	DMA_WRITE(2, val1);						\
    331 	DMA_WRITE(3, val2);						\
    332 	DMA_WRITE(4, val3);						\
    333 	write += DMA_BLOCK_SIZE;					\
    334 } while (0)
    335 
    336 /* Buffer aging via primary DMA stream head pointer.
    337  */
    338 
    339 #define SET_AGE(age, h, w)						\
    340 do {									\
    341 	(age)->head = h;						\
    342 	(age)->wrap = w;						\
    343 } while (0)
    344 
    345 #define TEST_AGE(age, h, w)		((age)->wrap < w ||		\
    346 					 ((age)->wrap == w &&		\
    347 					  (age)->head < h))
    348 
    349 #define AGE_BUFFER(buf_priv)						\
    350 do {									\
    351 	drm_mga_freelist_t *entry = (buf_priv)->list_entry;		\
    352 	if ((buf_priv)->dispatched) {					\
    353 		entry->age.head = (dev_priv->prim.tail +		\
    354 				   dev_priv->primary->offset);		\
    355 		entry->age.wrap = dev_priv->sarea_priv->last_wrap;	\
    356 	} else {							\
    357 		entry->age.head = 0;					\
    358 		entry->age.wrap = 0;					\
    359 	}								\
    360 } while (0)
    361 
    362 #define MGA_ENGINE_IDLE_MASK		(MGA_SOFTRAPEN |		\
    363 					 MGA_DWGENGSTS |		\
    364 					 MGA_ENDPRDMASTS)
    365 #define MGA_DMA_IDLE_MASK		(MGA_SOFTRAPEN |		\
    366 					 MGA_ENDPRDMASTS)
    367 
    368 #define MGA_DMA_DEBUG			0
    369 
    370 /* A reduced set of the mga registers.
    371  */
    372 #define MGA_CRTC_INDEX			0x1fd4
    373 #define MGA_CRTC_DATA			0x1fd5
    374 
    375 /* CRTC11 */
    376 #define MGA_VINTCLR			(1 << 4)
    377 #define MGA_VINTEN			(1 << 5)
    378 
    379 #define MGA_ALPHACTRL			0x2c7c
    380 #define MGA_AR0				0x1c60
    381 #define MGA_AR1				0x1c64
    382 #define MGA_AR2				0x1c68
    383 #define MGA_AR3				0x1c6c
    384 #define MGA_AR4				0x1c70
    385 #define MGA_AR5				0x1c74
    386 #define MGA_AR6				0x1c78
    387 
    388 #define MGA_CXBNDRY			0x1c80
    389 #define MGA_CXLEFT			0x1ca0
    390 #define MGA_CXRIGHT			0x1ca4
    391 
    392 #define MGA_DMAPAD			0x1c54
    393 #define MGA_DSTORG			0x2cb8
    394 #define MGA_DWGCTL			0x1c00
    395 #	define MGA_OPCOD_MASK			(15 << 0)
    396 #	define MGA_OPCOD_TRAP			(4 << 0)
    397 #	define MGA_OPCOD_TEXTURE_TRAP		(6 << 0)
    398 #	define MGA_OPCOD_BITBLT			(8 << 0)
    399 #	define MGA_OPCOD_ILOAD			(9 << 0)
    400 #	define MGA_ATYPE_MASK			(7 << 4)
    401 #	define MGA_ATYPE_RPL			(0 << 4)
    402 #	define MGA_ATYPE_RSTR			(1 << 4)
    403 #	define MGA_ATYPE_ZI			(3 << 4)
    404 #	define MGA_ATYPE_BLK			(4 << 4)
    405 #	define MGA_ATYPE_I			(7 << 4)
    406 #	define MGA_LINEAR			(1 << 7)
    407 #	define MGA_ZMODE_MASK			(7 << 8)
    408 #	define MGA_ZMODE_NOZCMP			(0 << 8)
    409 #	define MGA_ZMODE_ZE			(2 << 8)
    410 #	define MGA_ZMODE_ZNE			(3 << 8)
    411 #	define MGA_ZMODE_ZLT			(4 << 8)
    412 #	define MGA_ZMODE_ZLTE			(5 << 8)
    413 #	define MGA_ZMODE_ZGT			(6 << 8)
    414 #	define MGA_ZMODE_ZGTE			(7 << 8)
    415 #	define MGA_SOLID			(1 << 11)
    416 #	define MGA_ARZERO			(1 << 12)
    417 #	define MGA_SGNZERO			(1 << 13)
    418 #	define MGA_SHIFTZERO			(1 << 14)
    419 #	define MGA_BOP_MASK			(15 << 16)
    420 #	define MGA_BOP_ZERO			(0 << 16)
    421 #	define MGA_BOP_DST			(10 << 16)
    422 #	define MGA_BOP_SRC			(12 << 16)
    423 #	define MGA_BOP_ONE			(15 << 16)
    424 #	define MGA_TRANS_SHIFT			20
    425 #	define MGA_TRANS_MASK			(15 << 20)
    426 #	define MGA_BLTMOD_MASK			(15 << 25)
    427 #	define MGA_BLTMOD_BMONOLEF		(0 << 25)
    428 #	define MGA_BLTMOD_BMONOWF		(4 << 25)
    429 #	define MGA_BLTMOD_PLAN			(1 << 25)
    430 #	define MGA_BLTMOD_BFCOL			(2 << 25)
    431 #	define MGA_BLTMOD_BU32BGR		(3 << 25)
    432 #	define MGA_BLTMOD_BU32RGB		(7 << 25)
    433 #	define MGA_BLTMOD_BU24BGR		(11 << 25)
    434 #	define MGA_BLTMOD_BU24RGB		(15 << 25)
    435 #	define MGA_PATTERN			(1 << 29)
    436 #	define MGA_TRANSC			(1 << 30)
    437 #	define MGA_CLIPDIS			(1 << 31)
    438 #define MGA_DWGSYNC			0x2c4c
    439 
    440 #define MGA_FCOL			0x1c24
    441 #define MGA_FIFOSTATUS			0x1e10
    442 #define MGA_FOGCOL			0x1cf4
    443 #define MGA_FXBNDRY			0x1c84
    444 #define MGA_FXLEFT			0x1ca8
    445 #define MGA_FXRIGHT			0x1cac
    446 
    447 #define MGA_ICLEAR			0x1e18
    448 #	define MGA_SOFTRAPICLR			(1 << 0)
    449 #	define MGA_VLINEICLR			(1 << 5)
    450 #define MGA_IEN				0x1e1c
    451 #	define MGA_SOFTRAPIEN			(1 << 0)
    452 #	define MGA_VLINEIEN			(1 << 5)
    453 
    454 #define MGA_LEN				0x1c5c
    455 
    456 #define MGA_MACCESS			0x1c04
    457 
    458 #define MGA_PITCH			0x1c8c
    459 #define MGA_PLNWT			0x1c1c
    460 #define MGA_PRIMADDRESS			0x1e58
    461 #	define MGA_DMA_GENERAL			(0 << 0)
    462 #	define MGA_DMA_BLIT			(1 << 0)
    463 #	define MGA_DMA_VECTOR			(2 << 0)
    464 #	define MGA_DMA_VERTEX			(3 << 0)
    465 #define MGA_PRIMEND			0x1e5c
    466 #	define MGA_PRIMNOSTART			(1 << 0)
    467 #	define MGA_PAGPXFER			(1 << 1)
    468 #define MGA_PRIMPTR			0x1e50
    469 #	define MGA_PRIMPTREN0			(1 << 0)
    470 #	define MGA_PRIMPTREN1			(1 << 1)
    471 
    472 #define MGA_RST				0x1e40
    473 #	define MGA_SOFTRESET			(1 << 0)
    474 #	define MGA_SOFTEXTRST			(1 << 1)
    475 
    476 #define MGA_SECADDRESS			0x2c40
    477 #define MGA_SECEND			0x2c44
    478 #define MGA_SETUPADDRESS		0x2cd0
    479 #define MGA_SETUPEND			0x2cd4
    480 #define MGA_SGN				0x1c58
    481 #define MGA_SOFTRAP			0x2c48
    482 #define MGA_SRCORG			0x2cb4
    483 #	define MGA_SRMMAP_MASK			(1 << 0)
    484 #	define MGA_SRCMAP_FB			(0 << 0)
    485 #	define MGA_SRCMAP_SYSMEM		(1 << 0)
    486 #	define MGA_SRCACC_MASK			(1 << 1)
    487 #	define MGA_SRCACC_PCI			(0 << 1)
    488 #	define MGA_SRCACC_AGP			(1 << 1)
    489 #define MGA_STATUS			0x1e14
    490 #	define MGA_SOFTRAPEN			(1 << 0)
    491 #	define MGA_VSYNCPEN			(1 << 4)
    492 #	define MGA_VLINEPEN			(1 << 5)
    493 #	define MGA_DWGENGSTS			(1 << 16)
    494 #	define MGA_ENDPRDMASTS			(1 << 17)
    495 #define MGA_STENCIL			0x2cc8
    496 #define MGA_STENCILCTL			0x2ccc
    497 
    498 #define MGA_TDUALSTAGE0			0x2cf8
    499 #define MGA_TDUALSTAGE1			0x2cfc
    500 #define MGA_TEXBORDERCOL		0x2c5c
    501 #define MGA_TEXCTL			0x2c30
    502 #define MGA_TEXCTL2			0x2c3c
    503 #	define MGA_DUALTEX			(1 << 7)
    504 #	define MGA_G400_TC2_MAGIC		(1 << 15)
    505 #	define MGA_MAP1_ENABLE			(1 << 31)
    506 #define MGA_TEXFILTER			0x2c58
    507 #define MGA_TEXHEIGHT			0x2c2c
    508 #define MGA_TEXORG			0x2c24
    509 #	define MGA_TEXORGMAP_MASK		(1 << 0)
    510 #	define MGA_TEXORGMAP_FB			(0 << 0)
    511 #	define MGA_TEXORGMAP_SYSMEM		(1 << 0)
    512 #	define MGA_TEXORGACC_MASK		(1 << 1)
    513 #	define MGA_TEXORGACC_PCI		(0 << 1)
    514 #	define MGA_TEXORGACC_AGP		(1 << 1)
    515 #define MGA_TEXORG1			0x2ca4
    516 #define MGA_TEXORG2			0x2ca8
    517 #define MGA_TEXORG3			0x2cac
    518 #define MGA_TEXORG4			0x2cb0
    519 #define MGA_TEXTRANS			0x2c34
    520 #define MGA_TEXTRANSHIGH		0x2c38
    521 #define MGA_TEXWIDTH			0x2c28
    522 
    523 #define MGA_WACCEPTSEQ			0x1dd4
    524 #define MGA_WCODEADDR			0x1e6c
    525 #define MGA_WFLAG			0x1dc4
    526 #define MGA_WFLAG1			0x1de0
    527 #define MGA_WFLAGNB			0x1e64
    528 #define MGA_WFLAGNB1			0x1e08
    529 #define MGA_WGETMSB			0x1dc8
    530 #define MGA_WIADDR			0x1dc0
    531 #define MGA_WIADDR2			0x1dd8
    532 #	define MGA_WMODE_SUSPEND		(0 << 0)
    533 #	define MGA_WMODE_RESUME			(1 << 0)
    534 #	define MGA_WMODE_JUMP			(2 << 0)
    535 #	define MGA_WMODE_START			(3 << 0)
    536 #	define MGA_WAGP_ENABLE			(1 << 2)
    537 #define MGA_WMISC			0x1e70
    538 #	define MGA_WUCODECACHE_ENABLE		(1 << 0)
    539 #	define MGA_WMASTER_ENABLE		(1 << 1)
    540 #	define MGA_WCACHEFLUSH_ENABLE		(1 << 3)
    541 #define MGA_WVRTXSZ			0x1dcc
    542 
    543 #define MGA_YBOT			0x1c9c
    544 #define MGA_YDST			0x1c90
    545 #define MGA_YDSTLEN			0x1c88
    546 #define MGA_YDSTORG			0x1c94
    547 #define MGA_YTOP			0x1c98
    548 
    549 #define MGA_ZORG			0x1c0c
    550 
    551 /* This finishes the current batch of commands
    552  */
    553 #define MGA_EXEC			0x0100
    554 
    555 /* AGP PLL encoding (for G200 only).
    556  */
    557 #define MGA_AGP_PLL			0x1e4c
    558 #	define MGA_AGP2XPLL_DISABLE		(0 << 0)
    559 #	define MGA_AGP2XPLL_ENABLE		(1 << 0)
    560 
    561 /* Warp registers
    562  */
    563 #define MGA_WR0				0x2d00
    564 #define MGA_WR1				0x2d04
    565 #define MGA_WR2				0x2d08
    566 #define MGA_WR3				0x2d0c
    567 #define MGA_WR4				0x2d10
    568 #define MGA_WR5				0x2d14
    569 #define MGA_WR6				0x2d18
    570 #define MGA_WR7				0x2d1c
    571 #define MGA_WR8				0x2d20
    572 #define MGA_WR9				0x2d24
    573 #define MGA_WR10			0x2d28
    574 #define MGA_WR11			0x2d2c
    575 #define MGA_WR12			0x2d30
    576 #define MGA_WR13			0x2d34
    577 #define MGA_WR14			0x2d38
    578 #define MGA_WR15			0x2d3c
    579 #define MGA_WR16			0x2d40
    580 #define MGA_WR17			0x2d44
    581 #define MGA_WR18			0x2d48
    582 #define MGA_WR19			0x2d4c
    583 #define MGA_WR20			0x2d50
    584 #define MGA_WR21			0x2d54
    585 #define MGA_WR22			0x2d58
    586 #define MGA_WR23			0x2d5c
    587 #define MGA_WR24			0x2d60
    588 #define MGA_WR25			0x2d64
    589 #define MGA_WR26			0x2d68
    590 #define MGA_WR27			0x2d6c
    591 #define MGA_WR28			0x2d70
    592 #define MGA_WR29			0x2d74
    593 #define MGA_WR30			0x2d78
    594 #define MGA_WR31			0x2d7c
    595 #define MGA_WR32			0x2d80
    596 #define MGA_WR33			0x2d84
    597 #define MGA_WR34			0x2d88
    598 #define MGA_WR35			0x2d8c
    599 #define MGA_WR36			0x2d90
    600 #define MGA_WR37			0x2d94
    601 #define MGA_WR38			0x2d98
    602 #define MGA_WR39			0x2d9c
    603 #define MGA_WR40			0x2da0
    604 #define MGA_WR41			0x2da4
    605 #define MGA_WR42			0x2da8
    606 #define MGA_WR43			0x2dac
    607 #define MGA_WR44			0x2db0
    608 #define MGA_WR45			0x2db4
    609 #define MGA_WR46			0x2db8
    610 #define MGA_WR47			0x2dbc
    611 #define MGA_WR48			0x2dc0
    612 #define MGA_WR49			0x2dc4
    613 #define MGA_WR50			0x2dc8
    614 #define MGA_WR51			0x2dcc
    615 #define MGA_WR52			0x2dd0
    616 #define MGA_WR53			0x2dd4
    617 #define MGA_WR54			0x2dd8
    618 #define MGA_WR55			0x2ddc
    619 #define MGA_WR56			0x2de0
    620 #define MGA_WR57			0x2de4
    621 #define MGA_WR58			0x2de8
    622 #define MGA_WR59			0x2dec
    623 #define MGA_WR60			0x2df0
    624 #define MGA_WR61			0x2df4
    625 #define MGA_WR62			0x2df8
    626 #define MGA_WR63			0x2dfc
    627 #	define MGA_G400_WR_MAGIC		(1 << 6)
    628 #	define MGA_G400_WR56_MAGIC		0x46480000	/* 12800.0f */
    629 
    630 #define MGA_ILOAD_ALIGN		64
    631 #define MGA_ILOAD_MASK		(MGA_ILOAD_ALIGN - 1)
    632 
    633 #define MGA_DWGCTL_FLUSH	(MGA_OPCOD_TEXTURE_TRAP |		\
    634 				 MGA_ATYPE_I |				\
    635 				 MGA_ZMODE_NOZCMP |			\
    636 				 MGA_ARZERO |				\
    637 				 MGA_SGNZERO |				\
    638 				 MGA_BOP_SRC |				\
    639 				 (15 << MGA_TRANS_SHIFT))
    640 
    641 #define MGA_DWGCTL_CLEAR	(MGA_OPCOD_TRAP |			\
    642 				 MGA_ZMODE_NOZCMP |			\
    643 				 MGA_SOLID |				\
    644 				 MGA_ARZERO |				\
    645 				 MGA_SGNZERO |				\
    646 				 MGA_SHIFTZERO |			\
    647 				 MGA_BOP_SRC |				\
    648 				 (0 << MGA_TRANS_SHIFT) |		\
    649 				 MGA_BLTMOD_BMONOLEF |			\
    650 				 MGA_TRANSC |				\
    651 				 MGA_CLIPDIS)
    652 
    653 #define MGA_DWGCTL_COPY		(MGA_OPCOD_BITBLT |			\
    654 				 MGA_ATYPE_RPL |			\
    655 				 MGA_SGNZERO |				\
    656 				 MGA_SHIFTZERO |			\
    657 				 MGA_BOP_SRC |				\
    658 				 (0 << MGA_TRANS_SHIFT) |		\
    659 				 MGA_BLTMOD_BFCOL |			\
    660 				 MGA_CLIPDIS)
    661 
    662 /* Simple idle test.
    663  */
    664 static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv)
    665 {
    666 	u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
    667 	return (status == MGA_ENDPRDMASTS);
    668 }
    669 
    670 #endif
    671