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grf_cvreg.h revision 1.15
      1 /*	$NetBSD: grf_cvreg.h,v 1.15 2010/02/05 12:13:36 phx Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Michael Teske
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Ezra Story, by Kari
     18  *      Mettinen and by Bernd Ernesti.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _GRF_CVREG_H
     35 #define _GRF_CVREG_H
     36 
     37 /*
     38  * This is derived from ciruss driver source
     39  */
     40 
     41 /* Extension to grfvideo_mode to support text modes.
     42  * This can be passed to both text & gfx functions
     43  * without worry.  If gv.depth == 4, then the extended
     44  * fields for a text mode are present.
     45  */
     46 
     47 struct grfcvtext_mode {
     48 	struct grfvideo_mode gv;
     49 	unsigned short	fx;	/* font x dimension */
     50 	unsigned short	fy;	/* font y dimension */
     51 	unsigned short	cols;	/* screen dimensions */
     52 	unsigned short	rows;
     53 	void		*fdata;	/* font data */
     54 	unsigned short	fdstart;
     55 	unsigned short	fdend;
     56 };
     57 
     58 /* maximum console size */
     59 #define MAXROWS 200
     60 #define MAXCOLS 200
     61 
     62 
     63 /* read VGA register */
     64 #define vgar(ba, reg) \
     65 	(*(((volatile char *)ba)+reg))
     66 
     67 /* write VGA register */
     68 #define vgaw(ba, reg, val) \
     69 	*(((volatile char *)ba)+reg) = ((val) & 0xff); \
     70 	amiga_membarrier()
     71 
     72 /* read 32 Bit VGA register */
     73 #define vgar32(ba, reg) \
     74 	(  *((volatile unsigned long *) (((volatile char *)ba)+reg)) )
     75 
     76 /* write 32 Bit VGA register */
     77 #define vgaw32(ba, reg, val) \
     78 	*((unsigned long *)  (((volatile char *)ba)+reg)) = val; \
     79 	amiga_membarrier()
     80 
     81 /* read 16 Bit VGA register */
     82 #define vgar16(ba, reg) \
     83 	(  *((volatile unsigned short *) (((volatile char *)ba)+reg)) )
     84 
     85 /* write 16 Bit VGA register */
     86 #define vgaw16(ba, reg, val) \
     87 	*((volatile unsigned short *) (((volatile char *)ba)+reg)) = val; \
     88 	amiga_membarrier()
     89 
     90 #ifdef _KERNEL
     91 int grfcv_cnprobe(void);
     92 void grfcv_iteinit(struct grf_softc *);
     93 static inline void GfxBusyWait(volatile void *);
     94 static inline void GfxFifoWait(volatile void *);
     95 static inline unsigned char RAttr(volatile void *, short);
     96 static inline unsigned char RSeq(volatile void *, short);
     97 static inline unsigned char RCrt(volatile void *, short);
     98 static inline unsigned char RGfx(volatile void *, short);
     99 #endif
    100 
    101 
    102 /*
    103  * defines for the used register addresses (mw)
    104  *
    105  * NOTE: there are some registers that have different addresses when
    106  *       in mono or color mode. We only support color mode, and thus
    107  *       some addresses won't work in mono-mode!
    108  *
    109  * General and VGA-registers taken from retina driver. Fixed a few
    110  * bugs in it. (SR and GR read address is Port + 1, NOT Port)
    111  *
    112  */
    113 
    114 /* General Registers: */
    115 #define GREG_MISC_OUTPUT_R	0x03CC
    116 #define GREG_MISC_OUTPUT_W	0x03C2
    117 #define GREG_FEATURE_CONTROL_R	0x03CA
    118 #define GREG_FEATURE_CONTROL_W	0x03DA
    119 #define GREG_INPUT_STATUS0_R	0x03C2
    120 #define GREG_INPUT_STATUS1_R	0x03DA
    121 
    122 /* Setup Registers: */
    123 #define SREG_OPTION_SELECT	0x0102
    124 #define SREG_VIDEO_SUBS_ENABLE	0x46E8
    125 
    126 /* Attribute Controller: */
    127 #define ACT_ADDRESS		0x03C0
    128 #define ACT_ADDRESS_R		0x03C1
    129 #define ACT_ADDRESS_W		0x03C0
    130 #define ACT_ADDRESS_RESET	0x03DA
    131 #define ACT_ID_PALETTE0		0x00
    132 #define ACT_ID_PALETTE1		0x01
    133 #define ACT_ID_PALETTE2		0x02
    134 #define ACT_ID_PALETTE3		0x03
    135 #define ACT_ID_PALETTE4		0x04
    136 #define ACT_ID_PALETTE5		0x05
    137 #define ACT_ID_PALETTE6		0x06
    138 #define ACT_ID_PALETTE7		0x07
    139 #define ACT_ID_PALETTE8		0x08
    140 #define ACT_ID_PALETTE9		0x09
    141 #define ACT_ID_PALETTE10	0x0A
    142 #define ACT_ID_PALETTE11	0x0B
    143 #define ACT_ID_PALETTE12	0x0C
    144 #define ACT_ID_PALETTE13	0x0D
    145 #define ACT_ID_PALETTE14	0x0E
    146 #define ACT_ID_PALETTE15	0x0F
    147 #define ACT_ID_ATTR_MODE_CNTL	0x10
    148 #define ACT_ID_OVERSCAN_COLOR	0x11
    149 #define ACT_ID_COLOR_PLANE_ENA	0x12
    150 #define ACT_ID_HOR_PEL_PANNING	0x13
    151 #define ACT_ID_COLOR_SELECT	0x14
    152 
    153 /* Graphics Controller: */
    154 #define GCT_ADDRESS		0x03CE
    155 #define GCT_ADDRESS_R		0x03CF
    156 #define GCT_ADDRESS_W		0x03CF
    157 #define GCT_ID_SET_RESET	0x00
    158 #define GCT_ID_ENABLE_SET_RESET	0x01
    159 #define GCT_ID_COLOR_COMPARE	0x02
    160 #define GCT_ID_DATA_ROTATE	0x03
    161 #define GCT_ID_READ_MAP_SELECT	0x04
    162 #define GCT_ID_GRAPHICS_MODE	0x05
    163 #define GCT_ID_MISC		0x06
    164 #define GCT_ID_COLOR_XCARE	0x07
    165 #define GCT_ID_BITMASK		0x08
    166 
    167 /* Sequencer: */
    168 #define SEQ_ADDRESS		0x03C4
    169 #define SEQ_ADDRESS_R		0x03C5
    170 #define SEQ_ADDRESS_W		0x03C5
    171 #define SEQ_ID_RESET		0x00
    172 #define SEQ_ID_CLOCKING_MODE	0x01
    173 #define SEQ_ID_MAP_MASK		0x02
    174 #define SEQ_ID_CHAR_MAP_SELECT	0x03
    175 #define SEQ_ID_MEMORY_MODE	0x04
    176 #define SEQ_ID_UNKNOWN1		0x05
    177 #define SEQ_ID_UNKNOWN2		0x06
    178 #define SEQ_ID_UNKNOWN3		0x07
    179 /* S3 extensions */
    180 #define SEQ_ID_UNLOCK_EXT	0x08
    181 #define SEQ_ID_EXT_SEQ_REG9	0x09
    182 #define SEQ_ID_BUS_REQ_CNTL	0x0A
    183 #define SEQ_ID_EXT_MISC_SEQ	0x0B
    184 #define SEQ_ID_UNKNOWN4		0x0C
    185 #define SEQ_ID_EXT_SEQ		0x0D
    186 #define SEQ_ID_UNKNOWN5		0x0E
    187 #define SEQ_ID_UNKNOWN6		0x0F
    188 #define SEQ_ID_MCLK_LO		0x10
    189 #define SEQ_ID_MCLK_HI		0x11
    190 #define SEQ_ID_DCLK_LO		0x12
    191 #define SEQ_ID_DCLK_HI		0x13
    192 #define SEQ_ID_CLKSYN_CNTL_1	0x14
    193 #define SEQ_ID_CLKSYN_CNTL_2	0x15
    194 #define SEQ_ID_CLKSYN_TEST_HI	0x16	/* reserved for S3 testing of the */
    195 #define SEQ_ID_CLKSYN_TEST_LO	0x17	/*   internal clock synthesizer   */
    196 #define SEQ_ID_RAMDAC_CNTL	0x18
    197 #define SEQ_ID_MORE_MAGIC	0x1A
    198 
    199 /* CRT Controller: */
    200 #define CRT_ADDRESS		0x03D4
    201 #define CRT_ADDRESS_R		0x03D5
    202 #define CRT_ADDRESS_W		0x03D5
    203 #define CRT_ID_HOR_TOTAL	0x00
    204 #define CRT_ID_HOR_DISP_ENA_END	0x01
    205 #define CRT_ID_START_HOR_BLANK	0x02
    206 #define CRT_ID_END_HOR_BLANK	0x03
    207 #define CRT_ID_START_HOR_RETR	0x04
    208 #define CRT_ID_END_HOR_RETR	0x05
    209 #define CRT_ID_VER_TOTAL	0x06
    210 #define CRT_ID_OVERFLOW		0x07
    211 #define CRT_ID_PRESET_ROW_SCAN	0x08
    212 #define CRT_ID_MAX_SCAN_LINE	0x09
    213 #define CRT_ID_CURSOR_START	0x0A
    214 #define CRT_ID_CURSOR_END	0x0B
    215 #define CRT_ID_START_ADDR_HIGH	0x0C
    216 #define CRT_ID_START_ADDR_LOW	0x0D
    217 #define CRT_ID_CURSOR_LOC_HIGH	0x0E
    218 #define CRT_ID_CURSOR_LOC_LOW	0x0F
    219 #define CRT_ID_START_VER_RETR	0x10
    220 #define CRT_ID_END_VER_RETR	0x11
    221 #define CRT_ID_VER_DISP_ENA_END	0x12
    222 #define CRT_ID_SCREEN_OFFSET	0x13
    223 #define CRT_ID_UNDERLINE_LOC	0x14
    224 #define CRT_ID_START_VER_BLANK	0x15
    225 #define CRT_ID_END_VER_BLANK	0x16
    226 #define CRT_ID_MODE_CONTROL	0x17
    227 #define CRT_ID_LINE_COMPARE	0x18
    228 #define CRT_ID_GD_LATCH_RBACK	0x22
    229 #define CRT_ID_ACT_TOGGLE_RBACK	0x24
    230 #define CRT_ID_ACT_INDEX_RBACK	0x26
    231 /* S3 extensions: S3 VGA Registers */
    232 #define CRT_ID_DEVICE_HIGH	0x2D
    233 #define CRT_ID_DEVICE_LOW	0x2E
    234 #define CRT_ID_REVISION 	0x2F
    235 #define CRT_ID_CHIP_ID_REV	0x30
    236 #define CRT_ID_MEMORY_CONF	0x31
    237 #define CRT_ID_BACKWAD_COMP_1	0x32
    238 #define CRT_ID_BACKWAD_COMP_2	0x33
    239 #define CRT_ID_BACKWAD_COMP_3	0x34
    240 #define CRT_ID_REGISTER_LOCK	0x35
    241 #define CRT_ID_CONFIG_1 	0x36
    242 #define CRT_ID_CONFIG_2 	0x37
    243 #define CRT_ID_REGISTER_LOCK_1	0x38
    244 #define CRT_ID_REGISTER_LOCK_2	0x39
    245 #define CRT_ID_MISC_1		0x3A
    246 #define CRT_ID_DISPLAY_FIFO	0x3B
    247 #define CRT_ID_LACE_RETR_START	0x3C
    248 /* S3 extensions: System Control Registers  */
    249 #define CRT_ID_SYSTEM_CONFIG	0x40
    250 #define CRT_ID_BIOS_FLAG	0x41
    251 #define CRT_ID_LACE_CONTROL	0x42
    252 #define CRT_ID_EXT_MODE 	0x43
    253 #define CRT_ID_HWGC_MODE	0x45	/* HWGC = Hardware Graphics Cursor */
    254 #define CRT_ID_HWGC_ORIGIN_X_HI	0x46
    255 #define CRT_ID_HWGC_ORIGIN_X_LO	0x47
    256 #define CRT_ID_HWGC_ORIGIN_Y_HI	0x48
    257 #define CRT_ID_HWGC_ORIGIN_Y_LO	0x49
    258 #define CRT_ID_HWGC_FG_STACK	0x4A
    259 #define CRT_ID_HWGC_BG_STACK	0x4B
    260 #define CRT_ID_HWGC_START_AD_HI	0x4C
    261 #define CRT_ID_HWGC_START_AD_LO	0x4D
    262 #define CRT_ID_HWGC_DSTART_X	0x4E
    263 #define CRT_ID_HWGC_DSTART_Y	0x4F
    264 /* S3 extensions: System Extension Registers  */
    265 #define CRT_ID_EXT_SYS_CNTL_1	0x50
    266 #define CRT_ID_EXT_SYS_CNTL_2	0x51
    267 #define CRT_ID_EXT_BIOS_FLAG_1	0x52
    268 #define CRT_ID_EXT_MEM_CNTL_1	0x53
    269 #define CRT_ID_EXT_MEM_CNTL_2	0x54
    270 #define CRT_ID_EXT_DAC_CNTL	0x55
    271 #define CRT_ID_EX_SYNC_1	0x56
    272 #define CRT_ID_EX_SYNC_2	0x57
    273 #define CRT_ID_LAW_CNTL		0x58	/* LAW = Linear Address Window */
    274 #define CRT_ID_LAW_POS_HI	0x59
    275 #define CRT_ID_LAW_POS_LO	0x5A
    276 #define CRT_ID_GOUT_PORT	0x5C
    277 #define CRT_ID_EXT_HOR_OVF	0x5D
    278 #define CRT_ID_EXT_VER_OVF	0x5E
    279 #define CRT_ID_EXT_MEM_CNTL_3	0x60
    280 #define CRT_ID_EX_SYNC_3	0x63
    281 #define CRT_ID_EXT_MISC_CNTL	0x65
    282 #define CRT_ID_EXT_MISC_CNTL_1	0x66
    283 #define CRT_ID_EXT_MISC_CNTL_2	0x67
    284 #define CRT_ID_CONFIG_3 	0x68
    285 #define CRT_ID_EXT_SYS_CNTL_3	0x69
    286 #define CRT_ID_EXT_SYS_CNTL_4	0x6A
    287 #define CRT_ID_EXT_BIOS_FLAG_3	0x6B
    288 #define CRT_ID_EXT_BIOS_FLAG_4	0x6C
    289 
    290 /* Enhanced Commands Registers: */
    291 #define ECR_SUBSYSTEM_STAT	0x42E8
    292 #define ECR_SUBSYSTEM_CNTL	0x42E8
    293 #define ECR_ADV_FUNC_CNTL	0x4AE8
    294 #define ECR_CURRENT_Y_POS	0x82E8
    295 #define ECR_CURRENT_Y_POS2	0x82EA	/* Trio64 only */
    296 #define ECR_CURRENT_X_POS	0x86E8
    297 #define ECR_CURRENT_X_POS2	0x86EA	/* Trio64 only */
    298 #define ECR_DEST_Y__AX_STEP	0x8AE8
    299 #define ECR_DEST_Y2__AX_STEP2	0x8AEA	/* Trio64 only */
    300 #define ECR_DEST_X__DIA_STEP	0x8EE8
    301 #define ECR_DEST_X2__DIA_STEP2	0x8EEA	/* Trio64 only */
    302 #define ECR_ERR_TERM		0x92E8
    303 #define ECR_ERR_TERM2		0x92EA	/* Trio64 only */
    304 #define ECR_MAJ_AXIS_PIX_CNT	0x96E8
    305 #define ECR_MAJ_AXIS_PIX_CNT2	0x96EA	/* Trio64 only */
    306 #define ECR_GP_STAT		0x9AE8	/* GP = Graphics Processor */
    307 #define ECR_DRAW_CMD		0x9AE8
    308 #define ECR_DRAW_CMD2		0x9AEA	/* Trio64 only */
    309 #define ECR_SHORT_STROKE	0x9EE8
    310 #define ECR_BKGD_COLOR		0xA2E8	/* BKGD = Background */
    311 #define ECR_FRGD_COLOR		0xA6E8	/* FRGD = Foreground */
    312 #define ECR_BITPLANE_WRITE_MASK	0xAAE8
    313 #define ECR_BITPLANE_READ_MASK	0xAEE8
    314 #define ECR_COLOR_COMPARE	0xB2E8
    315 #define ECR_BKGD_MIX		0xB6E8
    316 #define ECR_FRGD_MIX		0xBAE8
    317 #define ECR_READ_REG_DATA	0xBEE8
    318 #define ECR_ID_MIN_AXIS_PIX_CNT	0x00
    319 #define ECR_ID_SCISSORS_TOP	0x01
    320 #define ECR_ID_SCISSORS_LEFT	0x02
    321 #define ECR_ID_SCISSORS_BUTTOM	0x03
    322 #define ECR_ID_SCISSORS_RIGHT	0x04
    323 #define ECR_ID_PIX_CNTL		0x0A
    324 #define ECR_ID_MULT_CNTL_MISC_2	0x0D
    325 #define ECR_ID_MULT_CNTL_MISC	0x0E
    326 #define ECR_ID_READ_SEL		0x0F
    327 #define ECR_PIX_TRANS		0xE2E8
    328 #define ECR_PIX_TRANS_EXT	0xE2EA
    329 #define ECR_PATTERN_Y		0xEAE8	/* Trio64 only */
    330 #define ECR_PATTERN_X		0xEAEA	/* Trio64 only */
    331 
    332 
    333 /* Pass-through */
    334 #define PASS_ADDRESS		0x40001
    335 #define PASS_ADDRESS_W		0x40001
    336 
    337 /* Video DAC */
    338 #define VDAC_ADDRESS		0x03c8
    339 #define VDAC_ADDRESS_W		0x03c8
    340 #define VDAC_ADDRESS_R		0x03c7
    341 #define VDAC_STATE		0x03c7
    342 #define VDAC_DATA		0x03c9
    343 #define VDAC_MASK		0x03c6
    344 
    345 
    346 #define WGfx(ba, idx, val) \
    347 	do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)
    348 
    349 #define WSeq(ba, idx, val) \
    350 	do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)
    351 
    352 #define WCrt(ba, idx, val) \
    353 	do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)
    354 
    355 #define WAttr(ba, idx, val) \
    356 	do {	\
    357 		unsigned char tmp;\
    358 		tmp = vgar(ba, ACT_ADDRESS_RESET);\
    359 		vgaw(ba, ACT_ADDRESS_W, idx);\
    360 		vgaw(ba, ACT_ADDRESS_W, val);\
    361 	} while (0)
    362 
    363 
    364 #define SetTextPlane(ba, m) \
    365 	do { \
    366 		WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
    367 		WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
    368 	} while (0)
    369 
    370 
    371 /* Gfx engine busy wait */
    372 
    373 static inline void
    374 GfxBusyWait (ba)
    375 	volatile void *ba;
    376 {
    377 	int test;
    378 
    379 	do {
    380 		test = vgar16 (ba, ECR_GP_STAT);
    381 		amiga_cpu_sync();
    382 	} while (test & (1 << 9));
    383 }
    384 
    385 
    386 static inline void
    387 GfxFifoWait(ba)
    388 	volatile void *ba;
    389 {
    390 	int test;
    391 
    392 	do {
    393 		test = vgar16 (ba, ECR_GP_STAT);
    394 	} while (test & 0x0f);
    395 }
    396 
    397 
    398 /* Special wakeup/passthrough registers on graphics boards
    399  *
    400  * The methods have diverged a bit for each board, so
    401  * WPass(P) has been converted into a set of specific
    402  * inline functions.
    403  */
    404 
    405 static inline unsigned char
    406 RAttr(ba, idx)
    407 	volatile void *ba;
    408 	short idx;
    409 {
    410 
    411 	vgaw(ba, ACT_ADDRESS_W, idx);
    412 	delay(0);
    413 	return vgar(ba, ACT_ADDRESS_R);
    414 }
    415 
    416 static inline unsigned char
    417 RSeq(ba, idx)
    418 	volatile void *ba;
    419 	short idx;
    420 {
    421 	vgaw(ba, SEQ_ADDRESS, idx);
    422 	return vgar(ba, SEQ_ADDRESS_R);
    423 }
    424 
    425 static inline unsigned char
    426 RCrt(ba, idx)
    427 	volatile void *ba;
    428 	short idx;
    429 {
    430 	vgaw(ba, CRT_ADDRESS, idx);
    431 	return vgar(ba, CRT_ADDRESS_R);
    432 }
    433 
    434 static inline unsigned char
    435 RGfx(ba, idx)
    436 	volatile void *ba;
    437 	short idx;
    438 {
    439 	vgaw(ba, GCT_ADDRESS, idx);
    440 	return vgar(ba, GCT_ADDRESS_R);
    441 }
    442 
    443 #endif /* _GRF_RHREG_H */
    444