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grf_clreg.h revision 1.3
      1 /*	$NetBSD: grf_clreg.h,v 1.3 1996/04/21 21:11:13 veego Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Ezra Story
      5  * Copyright (c) 1995 Kari Mettinen
      6  * Copyright (c) 1994 Markus Wild
      7  * Copyright (c) 1994 Lutz Vieweg
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *      This product includes software developed by Lutz Vieweg.
     21  * 4. The name of the author may not be used to endorse or promote products
     22  *    derived from this software without specific prior written permission
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     27  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 #ifndef _GRF_CLREG_H
     37 #define _GRF_CLREG_H
     38 
     39 /*
     40  * Written & Copyright by Kari Mettinen, Ezra Story.
     41  *
     42  * This is derived from retina driver source
     43  */
     44 
     45 /* Extension to grfvideo_mode to support text modes.
     46  * This can be passed to both text & gfx functions
     47  * without worry.  If gv.depth == 4, then the extended
     48  * fields for a text mode are present.
     49  */
     50 struct grfcltext_mode {
     51     	struct grfvideo_mode gv;
     52     	unsigned short	fx; 	    /* font x dimension */
     53     	unsigned short	fy; 	    /* font y dimension */
     54     	unsigned short  cols;       /* screen dimensions */
     55     	unsigned short	rows;
     56     	void	    	*fdata;     /* font data */
     57     	unsigned short	fdstart;
     58     	unsigned short	fdend;
     59 };
     60 
     61 
     62 /* 5426 boards types, stored in  cltype in grf_cl.c .
     63  * used to decide how to handle SR7 and Pass-through
     64  */
     65 
     66 #define PICASSO		2167
     67 #define SPECTRUM 	2193
     68 #define PICCOLO		2195
     69 
     70 /* read VGA register */
     71 #define vgar(ba, reg) (*(((volatile unsigned char *)ba)+reg))
     72 
     73 /* write VGA register */
     74 #define vgaw(ba, reg, val) \
     75 	*(((volatile unsigned char *)ba)+reg) = ((val) & 0xff)
     76 
     77 /*
     78  * defines for the used register addresses (mw)
     79  *
     80  * NOTE: there are some registers that have different addresses when
     81  *       in mono or color mode. We only support color mode, and thus
     82  *       some addresses won't work in mono-mode!
     83  *
     84  * General and VGA-registers taken from retina driver. Fixed a few
     85  * bugs in it. (SR and GR read address is Port + 1, NOT Port)
     86  *
     87  */
     88 
     89 
     90 
     91 
     92 /* General Registers: */
     93 #define GREG_STATUS0_R		0x03C2
     94 #define GREG_STATUS1_R		0x03DA
     95 #define GREG_MISC_OUTPUT_R	0x03CC
     96 #define GREG_MISC_OUTPUT_W	0x03C2
     97 #define GREG_FEATURE_CONTROL_R	0x03CA
     98 #define GREG_FEATURE_CONTROL_W	0x03DA
     99 #define GREG_POS		0x0102
    100 
    101 /* Attribute Controller: */
    102 #define ACT_ADDRESS		0x03C0
    103 #define ACT_ADDRESS_R		0x03C1
    104 #define ACT_ADDRESS_W		0x03C0
    105 #define ACT_ADDRESS_RESET	0x03DA
    106 #define ACT_ID_PALETTE0		0x00
    107 #define ACT_ID_PALETTE1		0x01
    108 #define ACT_ID_PALETTE2		0x02
    109 #define ACT_ID_PALETTE3		0x03
    110 #define ACT_ID_PALETTE4		0x04
    111 #define ACT_ID_PALETTE5		0x05
    112 #define ACT_ID_PALETTE6		0x06
    113 #define ACT_ID_PALETTE7		0x07
    114 #define ACT_ID_PALETTE8		0x08
    115 #define ACT_ID_PALETTE9		0x09
    116 #define ACT_ID_PALETTE10	0x0A
    117 #define ACT_ID_PALETTE11	0x0B
    118 #define ACT_ID_PALETTE12	0x0C
    119 #define ACT_ID_PALETTE13	0x0D
    120 #define ACT_ID_PALETTE14	0x0E
    121 #define ACT_ID_PALETTE15	0x0F
    122 #define ACT_ID_ATTR_MODE_CNTL	0x10
    123 #define ACT_ID_OVERSCAN_COLOR	0x11
    124 #define ACT_ID_COLOR_PLANE_ENA	0x12
    125 #define ACT_ID_HOR_PEL_PANNING	0x13
    126 #define ACT_ID_COLOR_SELECT	0x14
    127 
    128 /* Graphics Controller: */
    129 #define GCT_ADDRESS		0x03CE
    130 #define GCT_ADDRESS_R		0x03CF
    131 #define GCT_ADDRESS_W		0x03CF
    132 #define GCT_ID_SET_RESET	0x00
    133 #define GCT_WR5_BG_EXT		0x00
    134 #define GCT_ID_ENABLE_SET_RESET	0x01
    135 #define GCT_ID_WR45_FG_EXT	0x01
    136 #define GCT_ID_COLOR_COMPARE	0x02
    137 #define GCT_ID_DATA_ROTATE	0x03
    138 #define GCT_ID_READ_MAP_SELECT	0x04
    139 #define GCT_ID_GRAPHICS_MODE	0x05
    140 #define GCT_ID_MISC		0x06
    141 #define GCT_ID_COLOR_XCARE	0x07
    142 #define GCT_ID_BITMASK		0x08
    143 #define GCT_ID_OFFSET_0		0x09
    144 #define GCT_ID_OFFSET_1		0x0A
    145 #define GCT_ID_MODE_EXT	0x0B
    146 #define GCT_ID_COLOR_KEY	0x0C
    147 #define GCT_ID_COLOR_KEY_MASK	0x0D
    148 #define GCT_ID_MISC_CNTL	0x0E
    149 #define GCT_ID_16BIT_BG_HIGH	0x10
    150 #define GCT_ID_16BIT_FG_HIGH	0x11
    151 #define GCT_ID_BLT_WIDTH_LOW	0x20
    152 #define GCT_ID_BLT_WIDTH_HIGH	0x21
    153 #define GCT_ID_BLT_HEIGHT_LOW	0x22
    154 #define GCT_ID_BLT_HEIGHT_HIGH	0x23
    155 #define GCT_ID_DST_PITCH_LOW	0x24
    156 #define GCT_ID_DST_PITCH_HIGH	0x25
    157 #define GCT_ID_SRC_PITCH_LOW	0x26
    158 #define GCT_ID_SRC_PITCH_HIGH	0x27
    159 #define GCT_ID_DST_START_LOW	0x28
    160 #define GCT_ID_DST_START_MID	0x29
    161 #define GCT_ID_DST_START_HIGH	0x2A
    162 #define GCT_ID_SRC_START_LOW	0x2C
    163 #define GCT_ID_SRC_START_MID	0x2D
    164 #define GCT_ID_SRC_START_HIGH	0x2E
    165 #define GCT_ID_BLT_MODE		0x30
    166 #define GCT_ID_BLT_STAT_START	0x31
    167 #define GCT_ID_BLT_ROP		0x32
    168 #define GCT_ID_TRP_COL_LOW	0x34	/* transparent color */
    169 #define GCT_ID_TRP_COL_HIGH	0x35
    170 #define GCT_ID_TRP_MASK_LOW	0x38
    171 #define GCT_ID_TRP_MASK_HIGH	0x39
    172 
    173 
    174 /* Sequencer: */
    175 #define SEQ_ADDRESS		0x03C4
    176 #define SEQ_ADDRESS_R		0x03C5
    177 #define SEQ_ADDRESS_W		0x03C5
    178 #define SEQ_ID_RESET		0x00
    179 #define SEQ_ID_CLOCKING_MODE	0x01
    180 #define SEQ_ID_MAP_MASK		0x02
    181 #define SEQ_ID_CHAR_MAP_SELECT	0x03
    182 
    183 #define TEXT_PLANE_CHAR	    0x01
    184 #define TEXT_PLANE_ATTR	    0x02
    185 #define TEXT_PLANE_FONT	    0x04
    186 
    187 #define SEQ_ID_MEMORY_MODE	0x04
    188 #define SEQ_ID_UNLOCK_EXT	0x06	/* down from here, all seq registers are Cirrus extensions */
    189 #define SEQ_ID_EXT_SEQ_MODE     0x07
    190 #define SEQ_ID_EEPROM_CNTL	0x08
    191 #define SEQ_ID_SCRATCH_0        0x09
    192 #define SEQ_ID_SCRATCH_1	0x0A
    193 #define SEQ_ID_VCLK_0_NUM	0x0B
    194 #define SEQ_ID_VCLK_1_NUM	0x0C
    195 #define SEQ_ID_VCLK_2_NUM	0x0D
    196 #define SEQ_ID_VCLK_3_NUM	0x0E
    197 #define SEQ_ID_DRAM_CNTL	0x0F
    198 #define SEQ_ID_CURSOR_X		0x10	/* Cursor position can't be set with WSeq
    199 */
    200 #define SEQ_ID_CURSOR_Y		0x11
    201 #define SEQ_ID_CURSOR_ATTR	0x12
    202 #define SEQ_ID_CURSOR_STORE	0x13
    203 #define SEQ_ID_SCRATCH_2	0x14
    204 #define SEQ_ID_SCRATCH_3	0x15
    205 #define SEQ_ID_PERF_TUNE	0x16
    206 #define SEQ_ID_CONF_RBACK	0x17
    207 #define SEQ_ID_SIG_CNTL		0x18
    208 #define SEQ_ID_SIG_RES_LOW	0x19
    209 #define SEQ_ID_SIG_RES_HIGH	0x1A
    210 #define SEQ_ID_VCLK_0_DENOM	0x1B
    211 #define SEQ_ID_VCLK_1_DENOM	0x1C
    212 #define SEQ_ID_VCLK_2_DENOM	0x1D
    213 #define SEQ_ID_VCLK_3_DENOM	0x1E
    214 #define SEQ_ID_MCLK_SELECT	0x1F
    215 
    216 /* CRT Controller: */
    217 #define CRT_ADDRESS		0x03D4
    218 #define CRT_ADDRESS_R		0x03D5
    219 #define CRT_ADDRESS_W		0x03D5
    220 #define CRT_ID_HOR_TOTAL	0x00
    221 #define CRT_ID_HOR_DISP_ENA_END	0x01
    222 #define CRT_ID_START_HOR_BLANK	0x02
    223 #define CRT_ID_END_HOR_BLANK	0x03
    224 #define CRT_ID_START_HOR_RETR	0x04
    225 #define CRT_ID_END_HOR_RETR	0x05
    226 #define CRT_ID_VER_TOTAL	0x06
    227 #define CRT_ID_OVERFLOW		0x07
    228 #define CRT_ID_PRESET_ROW_SCAN	0x08
    229 #define CRT_ID_CHAR_HEIGHT	0x09	/* was MAX_SCANLINES on retina, weird, eh? */
    230 #define CRT_ID_CURSOR_START	0x0A
    231 #define CRT_ID_CURSOR_END	0x0B
    232 #define CRT_ID_START_ADDR_HIGH	0x0C
    233 #define CRT_ID_START_ADDR_LOW	0x0D
    234 #define CRT_ID_CURSOR_LOC_HIGH	0x0E
    235 #define CRT_ID_CURSOR_LOC_LOW	0x0F
    236 #define CRT_ID_START_VER_RETR	0x10
    237 #define CRT_ID_END_VER_RETR	0x11
    238 #define CRT_ID_VER_DISP_ENA_END	0x12
    239 #define CRT_ID_OFFSET		0x13
    240 #define CRT_ID_UNDERLINE_LOC	0x14
    241 #define CRT_ID_START_VER_BLANK	0x15
    242 #define CRT_ID_END_VER_BLANK	0x16
    243 #define CRT_ID_MODE_CONTROL	0x17
    244 #define CRT_ID_LINE_COMPARE	0x18
    245 #define CRT_ID_LACE_END         0x19
    246 #define CRT_ID_LACE_CNTL        0x1A
    247 #define CRT_ID_EXT_DISP_CNTL    0x1B
    248 
    249 #define CRT_ID_GD_LATCH_RBACK	0x22
    250 
    251 #define CRT_ID_ACT_TOGGLE_RBACK	0x24
    252 #define CRT_ID_ACT_INDEX_RBACK 	0x26
    253 
    254 /* Pass-through */
    255 #define PASS_ADDRESS		0x8000
    256 #define PASS_ADDRESS_W		0x8000
    257 /* Special Picasso Address */
    258 #define PASS_ADDRESS_WP		0x9000
    259 
    260 /* Video DAC */
    261 #define VDAC_ADDRESS	0x03c8
    262 #define VDAC_ADDRESS_W	0x03c8
    263 #define VDAC_ADDRESS_R	((cltype==PICASSO)?0x03c7+0xfff:0x3c7)
    264 #define VDAC_STATE	0x03c7
    265 #define VDAC_DATA	((cltype==PICASSO)?0x03c9+0xfff:0x3c9)
    266 #define VDAC_MASK       0x03c6
    267 #define HDR	        0x03c6	/* Hidden DAC register, 4 reads to access */
    268 
    269 
    270 #define WGfx(ba, idx, val) \
    271 	do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)
    272 
    273 #define WSeq(ba, idx, val) \
    274 	do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)
    275 
    276 #define WCrt(ba, idx, val) \
    277 	do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)
    278 
    279 #define WAttr(ba, idx, val) \
    280 	do {	\
    281 		vgar(ba, ACT_ADDRESS_RESET);\
    282 		vgaw(ba, ACT_ADDRESS_W, idx);\
    283 		vgaw(ba, ACT_ADDRESS_W, val);\
    284 	} while (0)
    285 
    286 #define SetTextPlane(ba, m) \
    287 	do { \
    288     	     WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
    289 	     WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
    290         } while (0)
    291 
    292 /* Special wakeup/passthrough registers on graphics boards
    293  *
    294  * The methods have diverged a bit for each board, so
    295  * WPass(P) has been converted into a set of specific
    296  * inline functions.
    297  */
    298 static inline void RegWakeup(volatile void *ba) {
    299     	extern int cltype;
    300 
    301     	switch (cltype) {
    302     	case SPECTRUM:
    303     	    	vgaw(ba, PASS_ADDRESS_W, 0x1f);
    304     	    	break;
    305     	case PICASSO:
    306     	    	vgaw(ba, PASS_ADDRESS_W, 0xff);
    307     	    	break;
    308     	case PICCOLO:
    309     	    	vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x10);
    310     	    	break;
    311     	}
    312     	delay(200000);
    313 }
    314 static inline void RegOnpass(volatile void *ba) {
    315     	extern int cltype;
    316     	extern unsigned char pass_toggle;
    317 
    318     	switch (cltype) {
    319     	case SPECTRUM:
    320     	    	vgaw(ba, PASS_ADDRESS_W, 0x4f);
    321     	    	break;
    322     	case PICASSO:
    323     	    	vgaw(ba, PASS_ADDRESS_WP, 0x01);
    324     	    	break;
    325     	case PICCOLO:
    326     	    	vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) & 0xdf);
    327     	    	break;
    328     	}
    329     	pass_toggle = 1;
    330     	delay(200000);
    331 }
    332 static inline void RegOffpass(volatile void *ba) {
    333     	extern int cltype;
    334     	extern unsigned char pass_toggle;
    335 
    336     	switch (cltype) {
    337     	case SPECTRUM:
    338     	    	vgaw(ba, PASS_ADDRESS_W, 0x6f);
    339     	    	break;
    340     	case PICASSO:
    341     	    	vgaw(ba, PASS_ADDRESS_W, 0xff);
    342     	    	delay(200000);
    343     	    	vgaw(ba, PASS_ADDRESS_W, 0xff);
    344     	    	break;
    345     	case PICCOLO:
    346     	    	vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x20);
    347     	    	break;
    348     	}
    349     	pass_toggle = 0;
    350     	delay(200000);
    351 }
    352 
    353 static inline unsigned char RAttr(volatile void * ba, short idx) {
    354 	vgar(ba, ACT_ADDRESS_RESET);
    355 	vgaw(ba, ACT_ADDRESS_W, idx);
    356 	return vgar (ba, ACT_ADDRESS_R);
    357 }
    358 
    359 static inline unsigned char RSeq(volatile void * ba, short idx) {
    360 	vgaw (ba, SEQ_ADDRESS, idx);
    361 	return vgar (ba, SEQ_ADDRESS_R);
    362 }
    363 
    364 static inline unsigned char RCrt(volatile void * ba, short idx) {
    365 	vgaw (ba, CRT_ADDRESS, idx);
    366 	return vgar (ba, CRT_ADDRESS_R);
    367 }
    368 
    369 static inline unsigned char RGfx(volatile void * ba, short idx) {
    370 	vgaw(ba, GCT_ADDRESS, idx);
    371 	return vgar (ba, GCT_ADDRESS_R);
    372 }
    373 
    374 int cl_mode __P((register struct grf_softc *gp, u_long cmd, void *arg,
    375 			u_long a2, int a3));
    376 int cl_load_mon __P((struct grf_softc *gp, struct grfcltext_mode *gv));
    377 int grfcl_cnprobe __P((void));
    378 void grfcl_iteinit __P((struct grf_softc *gp));
    379 
    380 #endif /* _GRF_RHREG_H */
    381 
    382