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1 /**************************************************************************
2 
3 Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
4 All Rights Reserved.
5 
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sub license, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
13 
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial portions
16 of the Software.
17 
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
22 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 
26 **************************************************************************/
27 
28 /*
29  * Authors:
30  *   Kevin E. Martin <kevin@precisioninsight.com>
31  */
32 
33 /* I/O register offsets */
34 #define SRX VGA_SEQ_I
35 #define GRX VGA_GFX_I
36 #define ARX VGA_ATT_IW
37 #define XRX 0x3D6
38 #define MRX 0x3D2
39 
40 /* VGA Color Palette Registers */
41 #define DACMASK		0x3C6
42 #define DACSTATE	0x3C7
43 #define DACRX		0x3C7
44 #define DACWX		0x3C8
45 #define DACDATA		0x3C9
46 
47 /* CRT Controller Registers (CRX) */
48 #define START_ADDR_HI		0x0C
49 #define START_ADDR_LO		0x0D
50 #define VERT_SYNC_END		0x11
51 #define EXT_VERT_TOTAL		0x30
52 #define EXT_VERT_DISPLAY	0x31
53 #define EXT_VERT_SYNC_START	0x32
54 #define EXT_VERT_BLANK_START	0x33
55 #define EXT_HORIZ_TOTAL		0x35
56 #define EXT_HORIZ_BLANK		0x39
57 #define EXT_START_ADDR		0x40
58 #define EXT_START_ADDR_ENABLE	0x80
59 #define EXT_OFFSET		0x41
60 #define EXT_START_ADDR_HI	0x42
61 #define INTERLACE_CNTL		0x70
62 #define INTERLACE_ENABLE	0x80
63 #define INTERLACE_DISABLE	0x00
64 
65 /* Miscellaneous Output Register */
66 #define MSR_R		0x3CC
67 #define MSR_W		0x3C2
68 #define IO_ADDR_SELECT	0x01
69 
70 #define MDA_BASE	0x3B0
71 #define CGA_BASE	0x3D0
72 
73 /* System Configuration Extension Registers (XRX) */
74 #define IO_CTNL		0x09
75 #define EXTENDED_ATTR_CNTL	0x02
76 #define EXTENDED_CRTC_CNTL	0x01
77 
78 #define ADDRESS_MAPPING	0x0A
79 #define PACKED_MODE_ENABLE	0x04
80 #define LINEAR_MODE_ENABLE	0x02
81 #define PAGE_MAPPING_ENABLE	0x01
82 
83 #define BITBLT_CNTL	0x20
84 #define COLEXP_MODE		0x30
85 #define COLEXP_8BPP		0x00
86 #define COLEXP_16BPP		0x10
87 #define COLEXP_24BPP		0x20
88 #define COLEXP_RESERVED		0x30
89 #define CHIP_RESET		0x02
90 #define BITBLT_STATUS		0x01
91 
92 #define DISPLAY_CNTL	0x40
93 #define VGA_WRAP_MODE		0x02
94 #define VGA_WRAP_AT_256KB	0x00
95 #define VGA_NO_WRAP		0x02
96 #define GUI_MODE		0x01
97 #define STANDARD_VGA_MODE	0x00
98 #define HIRES_MODE		0x01
99 
100 #define DRAM_ROW_TYPE	0x50
101 #define DRAM_ROW_0		0x07
102 #define DRAM_ROW_0_SDRAM	0x00
103 #define DRAM_ROW_0_EMPTY	0x07
104 #define DRAM_ROW_1		0x38
105 #define DRAM_ROW_1_SDRAM	0x00
106 #define DRAM_ROW_1_EMPTY	0x38
107 #define DRAM_ROW_CNTL_LO 0x51
108 #define DRAM_CAS_LATENCY	0x10
109 #define DRAM_RAS_TIMING		0x08
110 #define DRAM_RAS_PRECHARGE	0x04
111 #define DRAM_ROW_CNTL_HI 0x52
112 #define DRAM_EXT_CNTL	0x53
113 #define DRAM_REFRESH_RATE	0x03
114 #define DRAM_REFRESH_DISABLE	0x00
115 #define DRAM_REFRESH_60HZ	0x01
116 #define DRAM_REFRESH_FAST_TEST	0x02
117 #define DRAM_REFRESH_RESERVED	0x03
118 #define DRAM_TIMING	0x54
119 #define DRAM_ROW_BNDRY_0 0x55
120 #define DRAM_ROW_BNDRY_1 0x56
121 
122 #define DPMS_SYNC_SELECT 0x61
123 #define VSYNC_CNTL		0x08
124 #define VSYNC_ON		0x00
125 #define VSYNC_OFF		0x08
126 #define HSYNC_CNTL		0x02
127 #define HSYNC_ON		0x00
128 #define HSYNC_OFF		0x02
129 
130 #define PIXPIPE_CONFIG_0 0x80
131 #define DAC_8_BIT		0x80
132 #define DAC_6_BIT		0x00
133 #define HW_CURSOR_ENABLE	0x10
134 #define EXTENDED_PALETTE	0x01
135 
136 #define PIXPIPE_CONFIG_1 0x81
137 #define DISPLAY_COLOR_MODE	0x0F
138 #define DISPLAY_VGA_MODE	0x00
139 #define DISPLAY_8BPP_MODE	0x02
140 #define DISPLAY_15BPP_MODE	0x04
141 #define DISPLAY_16BPP_MODE	0x05
142 #define DISPLAY_24BPP_MODE	0x06
143 #define DISPLAY_32BPP_MODE	0x07
144 
145 #define PIXPIPE_CONFIG_2 0x82
146 #define DISPLAY_GAMMA_ENABLE	0x08
147 #define DISPLAY_GAMMA_DISABLE	0x00
148 #define OVERLAY_GAMMA_ENABLE	0x04
149 #define OVERLAY_GAMMA_DISABLE	0x00
150 
151 #define CURSOR_CONTROL	0xA0
152 #define CURSOR_ORIGIN_SCREEN	0x00
153 #define CURSOR_ORIGIN_DISPLAY	0x10
154 #define CURSOR_MODE		0x07
155 #define CURSOR_MODE_DISABLE	0x00
156 #define CURSOR_MODE_32_4C_AX	0x01
157 #define CURSOR_MODE_128_2C	0x02
158 #define CURSOR_MODE_128_1C	0x03
159 #define CURSOR_MODE_64_3C	0x04
160 #define CURSOR_MODE_64_4C_AX	0x05
161 #define CURSOR_MODE_64_4C	0x06
162 #define CURSOR_MODE_RESERVED	0x07
163 #define CURSOR_BASEADDR_LO 0xA2
164 #define CURSOR_BASEADDR_HI 0xA3
165 #define CURSOR_X_LO	0xA4
166 #define CURSOR_X_HI	0xA5
167 #define CURSOR_X_POS		0x00
168 #define CURSOR_X_NEG		0x80
169 #define CURSOR_Y_LO	0xA6
170 #define CURSOR_Y_HI	0xA7
171 #define CURSOR_Y_POS		0x00
172 #define CURSOR_Y_NEG		0x80
173 
174 #define VCLK2_VCO_M	0xC8
175 #define VCLK2_VCO_N	0xC9
176 #define VCLK2_VCO_MN_MSBS 0xCA
177 #define VCO_N_MSBS		0x30
178 #define VCO_M_MSBS		0x03
179 #define VCLK2_VCO_DIV_SEL 0xCB
180 #define POST_DIV_SELECT		0x70
181 #define POST_DIV_1		0x00
182 #define POST_DIV_2		0x10
183 #define POST_DIV_4		0x20
184 #define POST_DIV_8		0x30
185 #define POST_DIV_16		0x40
186 #define POST_DIV_32		0x50
187 #define VCO_LOOP_DIV_BY_4M	0x00
188 #define VCO_LOOP_DIV_BY_16M	0x04
189 #define REF_CLK_DIV_BY_5	0x02
190 #define REF_DIV_4		0x00
191 #define REF_DIV_1		0x01
192 
193 #define PLL_CNTL	0xCE
194 #define PLL_MEMCLK_SEL		0x03
195 #define PLL_MEMCLK__66667KHZ	0x00
196 #define PLL_MEMCLK__75000KHZ	0x01
197 #define PLL_MEMCLK__88889KHZ	0x02
198 #define PLL_MEMCLK_100000KHZ	0x03
199 
200 /* Multimedia Extension Registers (MRX) */
201 #define ACQ_CNTL_1	0x02
202 #define ACQ_CNTL_2	0x03
203 #define FRAME_CAP_MODE		0x01
204 #define CONT_CAP_MODE		0x00
205 #define SINGLE_CAP_MODE		0x01
206 #define ACQ_CNTL_3	0x04
207 #define COL_KEY_CNTL_1		0x3C
208 #define BLANK_DISP_OVERLAY	0x20
209 
210 /* FIFOs */
211 #define LP_FIFO		0x1000
212 #define HP_FIFO		0x2000
213 #define INSTPNT		0x3040
214 #define LP_FIFO_COUNT	0x3040
215 #define HP_FIFO_COUNT	0x3041
216 
217 /* FIFO Commands */
218 #define CLIENT		0xE0000000
219 #define CLIENT_2D	0x60000000
220 
221 /* Command Parser Mode Register */
222 #define COMPARS		0x3038
223 #define TWO_D_INST_DISABLE		0x08
224 #define THREE_D_INST_DISABLE		0x04
225 #define STATE_VAR_UPDATE_DISABLE	0x02
226 #define PAL_STIP_DISABLE		0x01
227 
228 /* Interrupt Control Registers */
229 #define IER		0x3030
230 #define IIR		0x3032
231 #define IMR		0x3034
232 #define ISR		0x3036
233 #define VMIINTB_EVENT		0x2000
234 #define GPIO4_INT		0x1000
235 #define DISP_FLIP_EVENT		0x0800
236 #define DVD_PORT_DMA		0x0400
237 #define DISP_VBLANK		0x0200
238 #define FIFO_EMPTY_DMA_DONE	0x0100
239 #define INST_PARSER_ERROR	0x0080
240 #define USER_DEFINED		0x0040
241 #define BREAKPOINT		0x0020
242 #define DISP_HORIZ_COUNT	0x0010
243 #define DISP_VSYNC		0x0008
244 #define CAPTURE_HORIZ_COUNT	0x0004
245 #define CAPTURE_VSYNC		0x0002
246 #define THREE_D_PIPE_FLUSHED	0x0001
247 
248 /* FIFO Watermark and Burst Length Control Register */
249 #define FWATER_BLC	0x00006000
250 #define LMI_BURST_LENGTH	0x7F000000
251 #define LMI_FIFO_WATERMARK	0x003F0000
252 #define AGP_BURST_LENGTH	0x00007F00
253 #define AGP_FIFO_WATERMARK	0x0000003F
254 
255 /* BitBLT Registers */
256 #define SRC_DST_PITCH	0x00040000
257 #define DST_PITCH		0x1FFF0000
258 #define SRC_PITCH		0x00001FFF
259 #define COLEXP_BG_COLOR	0x00040004
260 #define COLEXP_FG_COLOR	0x00040008
261 #define MONO_SRC_CNTL	0x0004000C
262 #define MONO_USE_COLEXP		0x00000000
263 #define MONO_USE_SRCEXP		0x08000000
264 #define MONO_DATA_ALIGN		0x07000000
265 #define MONO_BIT_ALIGN		0x01000000
266 #define MONO_BYTE_ALIGN		0x02000000
267 #define MONO_WORD_ALIGN		0x03000000
268 #define MONO_DWORD_ALIGN	0x04000000
269 #define MONO_QWORD_ALIGN	0x05000000
270 #define MONO_SRC_INIT_DSCRD	0x003F0000
271 #define MONO_SRC_RIGHT_CLIP	0x00003F00
272 #define MONO_SRC_LEFT_CLIP	0x0000003F
273 #define BITBLT_CONTROL	0x00040010
274 #define BLTR_STATUS		0x80000000
275 #define DYN_DEPTH		0x03000000
276 #define DYN_DEPTH_8BPP		0x00000000
277 #define DYN_DEPTH_16BPP		0x01000000
278 #define DYN_DEPTH_24BPP		0x02000000
279 #define DYN_DEPTH_32BPP		0x03000000	/* Unimplemented on the i740 */
280 #define DYN_DEPTH_ENABLE	0x00800000
281 #define PAT_VERT_ALIGN		0x00700000
282 #define SOLID_PAT_SELECT	0x00080000
283 #define PAT_IS_IN_COLOR		0x00000000
284 #define PAT_IS_MONO		0x00040000
285 #define MONO_PAT_TRANSP		0x00020000
286 #define COLOR_TRANSP_ROP	0x00000000
287 #define COLOR_TRANSP_DST	0x00008000
288 #define COLOR_TRANSP_EQ		0x00000000
289 #define COLOR_TRANSP_NOT_EQ	0x00010000
290 #define COLOR_TRANSP_ENABLE	0x00004000
291 #define MONO_SRC_TRANSP		0x00002000
292 #define SRC_IS_IN_COLOR		0x00000000
293 #define SRC_IS_MONO		0x00001000
294 #define SRC_USE_SRC_ADDR	0x00000000
295 #define SRC_USE_BLTDATA		0x00000400
296 #define BLT_TOP_TO_BOT		0x00000000
297 #define BLT_BOT_TO_TOP		0x00000200
298 #define BLT_LEFT_TO_RIGHT	0x00000000
299 #define BLT_RIGHT_TO_LEFT	0x00000100
300 #define BLT_ROP			0x000000FF
301 #define BLT_PAT_ADDR	0x00040014
302 #define BLT_SRC_ADDR	0x00040018
303 #define BLT_DST_ADDR	0x0004001C
304 #define BLT_DST_H_W	0x00040020
305 #define BLT_DST_HEIGHT		0x1FFF0000
306 #define BLT_DST_WIDTH		0x00001FFF
307 #define SRCEXP_BG_COLOR	0x00040024
308 #define SRCEXP_FG_COLOR	0x00040028
309 #define BLTDATA		0x00050000
310