2 * linux/drivers/video/cyber2000fb.h
4 * Copyright (C) 1998-2000 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Integraphics Cyber2000 frame buffer device
12 #include <linux/config.h>
15 * Internal CyberPro sizes and offsets.
17 #define MMIO_OFFSET 0x00800000
18 #define MMIO_SIZE 0x000c0000
20 #define NR_PALETTE 256
22 #if defined(DEBUG) && defined(CONFIG_DEBUG_LL)
23 static void debug_printf(char *fmt
, ...)
25 extern void printascii(const char *);
30 vsprintf(buffer
, fmt
, ap
);
36 #define debug_printf(x...) do { } while (0)
39 #define RAMDAC_RAMPWRDN 0x01
40 #define RAMDAC_DAC8BIT 0x02
41 #define RAMDAC_VREFEN 0x04
42 #define RAMDAC_BYPASS 0x10
43 #define RAMDAC_DACPWRDN 0x40
45 #define EXT_CRT_VRTOFL 0x11
46 #define EXT_CRT_VRTOFL_LINECOMP10 0x10
47 #define EXT_CRT_VRTOFL_INTERLACE 0x20
49 #define EXT_CRT_IRQ 0x12
50 #define EXT_CRT_IRQ_ENABLE 0x01
51 #define EXT_CRT_IRQ_ACT_HIGH 0x04
53 #define EXT_CRT_TEST 0x13
55 #define EXT_SYNC_CTL 0x16
56 #define EXT_SYNC_CTL_HS_NORMAL 0x00
57 #define EXT_SYNC_CTL_HS_0 0x01
58 #define EXT_SYNC_CTL_HS_1 0x02
59 #define EXT_SYNC_CTL_HS_HSVS 0x03
60 #define EXT_SYNC_CTL_VS_NORMAL 0x00
61 #define EXT_SYNC_CTL_VS_0 0x04
62 #define EXT_SYNC_CTL_VS_1 0x08
63 #define EXT_SYNC_CTL_VS_COMP 0x0c
65 #define EXT_BUS_CTL 0x30
66 #define EXT_BUS_CTL_LIN_1MB 0x00
67 #define EXT_BUS_CTL_LIN_2MB 0x01
68 #define EXT_BUS_CTL_LIN_4MB 0x02
69 #define EXT_BUS_CTL_ZEROWAIT 0x04
70 #define EXT_BUS_CTL_PCIBURST_WRITE 0x20
71 #define EXT_BUS_CTL_PCIBURST_READ 0x80 /* CyberPro 5000 only */
73 #define EXT_SEG_WRITE_PTR 0x31
74 #define EXT_SEG_READ_PTR 0x32
75 #define EXT_BIU_MISC 0x33
76 #define EXT_BIU_MISC_LIN_ENABLE 0x01
77 #define EXT_BIU_MISC_COP_ENABLE 0x04
78 #define EXT_BIU_MISC_COP_BFC 0x08
80 #define EXT_FUNC_CTL 0x3c
81 #define EXT_FUNC_CTL_EXTREGENBL 0x80 /* enable access to 0xbcxxx */
83 #define PCI_BM_CTL 0x3e
84 #define PCI_BM_CTL_ENABLE 0x01 /* enable bus-master */
85 #define PCI_BM_CTL_BURST 0x02 /* enable burst */
86 #define PCI_BM_CTL_BACK2BACK 0x04 /* enable back to back */
87 #define PCI_BM_CTL_DUMMY 0x08 /* insert dummy cycle */
89 #define X_V2_VID_MEM_START 0x40
90 #define X_V2_VID_SRC_WIDTH 0x43
91 #define X_V2_X_START 0x45
92 #define X_V2_X_END 0x47
93 #define X_V2_Y_START 0x49
94 #define X_V2_Y_END 0x4b
95 #define X_V2_VID_SRC_WIN_WIDTH 0x4d
97 #define Y_V2_DDA_X_INC 0x43
98 #define Y_V2_DDA_Y_INC 0x47
99 #define Y_V2_VID_FIFO_CTL 0x49
100 #define Y_V2_VID_FMT 0x4b
101 #define Y_V2_VID_DISP_CTL1 0x4c
102 #define Y_V2_VID_FIFO_CTL1 0x4d
104 #define J_X2_VID_MEM_START 0x40
105 #define J_X2_VID_SRC_WIDTH 0x43
106 #define J_X2_X_START 0x47
107 #define J_X2_X_END 0x49
108 #define J_X2_Y_START 0x4b
109 #define J_X2_Y_END 0x4d
110 #define J_X2_VID_SRC_WIN_WIDTH 0x4f
112 #define K_X2_DDA_X_INIT 0x40
113 #define K_X2_DDA_X_INC 0x42
114 #define K_X2_DDA_Y_INIT 0x44
115 #define K_X2_DDA_Y_INC 0x46
116 #define K_X2_VID_FMT 0x48
117 #define K_X2_VID_DISP_CTL1 0x49
119 #define K_CAP_X2_CTL1 0x49
121 #define CURS_H_START 0x50
122 #define CURS_H_PRESET 0x52
123 #define CURS_V_START 0x53
124 #define CURS_V_PRESET 0x55
125 #define CURS_CTL 0x56
127 #define EXT_ATTRIB_CTL 0x57
128 #define EXT_ATTRIB_CTL_EXT 0x01
130 #define EXT_OVERSCAN_RED 0x58
131 #define EXT_OVERSCAN_GREEN 0x59
132 #define EXT_OVERSCAN_BLUE 0x5a
134 #define CAP_X_START 0x60
135 #define CAP_X_END 0x62
136 #define CAP_Y_START 0x64
137 #define CAP_Y_END 0x66
138 #define CAP_DDA_X_INIT 0x68
139 #define CAP_DDA_X_INC 0x6a
140 #define CAP_DDA_Y_INIT 0x6c
141 #define CAP_DDA_Y_INC 0x6e
143 #define EXT_MEM_CTL0 0x70
144 #define EXT_MEM_CTL0_7CLK 0x01
145 #define EXT_MEM_CTL0_RAS_1 0x02
146 #define EXT_MEM_CTL0_RAS2CAS_1 0x04
147 #define EXT_MEM_CTL0_MULTCAS 0x08
148 #define EXT_MEM_CTL0_ASYM 0x10
149 #define EXT_MEM_CTL0_CAS1ON 0x20
150 #define EXT_MEM_CTL0_FIFOFLUSH 0x40
151 #define EXT_MEM_CTL0_SEQRESET 0x80
153 #define EXT_MEM_CTL1 0x71
154 #define EXT_MEM_CTL1_PAR 0x00
155 #define EXT_MEM_CTL1_SERPAR 0x01
156 #define EXT_MEM_CTL1_SER 0x03
157 #define EXT_MEM_CTL1_SYNC 0x04
158 #define EXT_MEM_CTL1_VRAM 0x08
159 #define EXT_MEM_CTL1_4K_REFRESH 0x10
160 #define EXT_MEM_CTL1_256Kx4 0x00
161 #define EXT_MEM_CTL1_512Kx8 0x40
162 #define EXT_MEM_CTL1_1Mx16 0x60
164 #define EXT_MEM_CTL2 0x72
165 #define MEM_CTL2_SIZE_1MB 0x00
166 #define MEM_CTL2_SIZE_2MB 0x01
167 #define MEM_CTL2_SIZE_4MB 0x02
168 #define MEM_CTL2_SIZE_MASK 0x03
169 #define MEM_CTL2_64BIT 0x04
171 #define EXT_HIDDEN_CTL1 0x73
173 #define EXT_FIFO_CTL 0x74
175 #define EXT_SEQ_MISC 0x77
176 #define EXT_SEQ_MISC_8 0x01
177 #define EXT_SEQ_MISC_16_RGB565 0x02
178 #define EXT_SEQ_MISC_32 0x03
179 #define EXT_SEQ_MISC_24_RGB888 0x04
180 #define EXT_SEQ_MISC_16_RGB555 0x06
181 #define EXT_SEQ_MISC_8_RGB332 0x09
182 #define EXT_SEQ_MISC_16_RGB444 0x0a
184 #define EXT_HIDDEN_CTL4 0x7a
186 #define CURS_MEM_START 0x7e /* bits 23..12 */
188 #define CAP_PIP_X_START 0x80
189 #define CAP_PIP_X_END 0x82
190 #define CAP_PIP_Y_START 0x84
191 #define CAP_PIP_Y_END 0x86
193 #define EXT_CAP_CTL1 0x88
195 #define EXT_CAP_CTL2 0x89
196 #define EXT_CAP_CTL2_ODDFRAMEIRQ 0x01
197 #define EXT_CAP_CTL2_ANYFRAMEIRQ 0x02
199 #define BM_CTRL0 0x9c
200 #define BM_CTRL1 0x9d
202 #define EXT_CAP_MODE1 0xa4
203 #define EXT_CAP_MODE1_8BIT 0x01 /* enable 8bit capture mode */
204 #define EXT_CAP_MODE1_CCIR656 0x02 /* CCIR656 mode */
205 #define EXT_CAP_MODE1_IGNOREVGT 0x04 /* ignore VGT */
206 #define EXT_CAP_MODE1_ALTFIFO 0x10 /* use alternate FIFO for capture */
207 #define EXT_CAP_MODE1_SWAPUV 0x20 /* swap UV bytes */
208 #define EXT_CAP_MODE1_MIRRORY 0x40 /* mirror vertically */
209 #define EXT_CAP_MODE1_MIRRORX 0x80 /* mirror horizontally */
211 #define EXT_CAP_MODE2 0xa5
212 #define EXT_CAP_MODE2_CCIRINVOE 0x01
213 #define EXT_CAP_MODE2_CCIRINVVGT 0x02
214 #define EXT_CAP_MODE2_CCIRINVHGT 0x04
215 #define EXT_CAP_MODE2_CCIRINVDG 0x08
216 #define EXT_CAP_MODE2_DATEND 0x10
217 #define EXT_CAP_MODE2_CCIRDGH 0x20
218 #define EXT_CAP_MODE2_FIXSONY 0x40
219 #define EXT_CAP_MODE2_SYNCFREEZE 0x80
221 #define EXT_TV_CTL 0xae
223 #define EXT_DCLK_MULT 0xb0
224 #define EXT_DCLK_DIV 0xb1
225 #define EXT_DCLK_DIV_VFSEL 0x20
226 #define EXT_MCLK_MULT 0xb2
227 #define EXT_MCLK_DIV 0xb3
229 #define EXT_LATCH1 0xb5
230 #define EXT_LATCH1_VAFC_EN 0x01 /* enable VAFC */
232 #define EXT_FEATURE 0xb7
233 #define EXT_FEATURE_BUS_MASK 0x07 /* host bus mask */
234 #define EXT_FEATURE_BUS_PCI 0x00
235 #define EXT_FEATURE_BUS_VL_STD 0x04
236 #define EXT_FEATURE_BUS_VL_LINEAR 0x05
237 #define EXT_FEATURE_1682 0x20 /* IGS 1682 compatibility */
239 #define EXT_LATCH2 0xb6
240 #define EXT_LATCH2_I2C_CLKEN 0x10
241 #define EXT_LATCH2_I2C_CLK 0x20
242 #define EXT_LATCH2_I2C_DATEN 0x40
243 #define EXT_LATCH2_I2C_DAT 0x80
245 #define EXT_XT_CTL 0xbe
246 #define EXT_XT_CAP16 0x04
247 #define EXT_XT_LINEARFB 0x08
248 #define EXT_XT_PAL 0x10
250 #define EXT_MEM_START 0xc0 /* ext start address 21 bits */
251 #define HOR_PHASE_SHIFT 0xc2 /* high 3 bits */
252 #define EXT_SRC_WIDTH 0xc3 /* ext offset phase 10 bits */
253 #define EXT_SRC_HEIGHT 0xc4 /* high 6 bits */
254 #define EXT_X_START 0xc5 /* ext->screen, 16 bits */
255 #define EXT_X_END 0xc7 /* ext->screen, 16 bits */
256 #define EXT_Y_START 0xc9 /* ext->screen, 16 bits */
257 #define EXT_Y_END 0xcb /* ext->screen, 16 bits */
258 #define EXT_SRC_WIN_WIDTH 0xcd /* 8 bits */
259 #define EXT_COLOUR_COMPARE 0xce /* 24 bits */
260 #define EXT_DDA_X_INIT 0xd1 /* ext->screen 16 bits */
261 #define EXT_DDA_X_INC 0xd3 /* ext->screen 16 bits */
262 #define EXT_DDA_Y_INIT 0xd5 /* ext->screen 16 bits */
263 #define EXT_DDA_Y_INC 0xd7 /* ext->screen 16 bits */
265 #define EXT_VID_FIFO_CTL 0xd9
267 #define EXT_VID_FMT 0xdb
268 #define EXT_VID_FMT_YUV422 0x00 /* formats - does this cause conversion? */
269 #define EXT_VID_FMT_RGB555 0x01
270 #define EXT_VID_FMT_RGB565 0x02
271 #define EXT_VID_FMT_RGB888_24 0x03
272 #define EXT_VID_FMT_RGB888_32 0x04
273 #define EXT_VID_FMT_RGB8 0x05
274 #define EXT_VID_FMT_RGB4444 0x06
275 #define EXT_VID_FMT_RGB8T 0x07
276 #define EXT_VID_FMT_DUP_PIX_ZOON 0x08 /* duplicate pixel zoom */
277 #define EXT_VID_FMT_MOD_3RD_PIX 0x20 /* modify 3rd duplicated pixel */
278 #define EXT_VID_FMT_DBL_H_PIX 0x40 /* double horiz pixels */
279 #define EXT_VID_FMT_YUV128 0x80 /* YUV data offset by 128 */
281 #define EXT_VID_DISP_CTL1 0xdc
282 #define EXT_VID_DISP_CTL1_INTRAM 0x01 /* video pixels go to internal RAM */
283 #define EXT_VID_DISP_CTL1_IGNORE_CCOMP 0x02 /* ignore colour compare registers */
284 #define EXT_VID_DISP_CTL1_NOCLIP 0x04 /* do not clip to 16235,16240 */
285 #define EXT_VID_DISP_CTL1_UV_AVG 0x08 /* U/V data is averaged */
286 #define EXT_VID_DISP_CTL1_Y128 0x10 /* Y data offset by 128 (if YUV128 set) */
287 #define EXT_VID_DISP_CTL1_VINTERPOL_OFF 0x20 /* disable vertical interpolation */
288 #define EXT_VID_DISP_CTL1_FULL_WIN 0x40 /* video out window full */
289 #define EXT_VID_DISP_CTL1_ENABLE_WINDOW 0x80 /* enable video window */
291 #define EXT_VID_FIFO_CTL1 0xdd
292 #define EXT_VID_FIFO_CTL1_OE_HIGH 0x02
293 #define EXT_VID_FIFO_CTL1_INTERLEAVE 0x04 /* enable interleaved memory read */
295 #define EXT_ROM_UCB4GH 0xe5
296 #define EXT_ROM_UCB4GH_FREEZE 0x02 /* capture frozen */
297 #define EXT_ROM_UCB4GH_ODDFRAME 0x04 /* 1 = odd frame captured */
298 #define EXT_ROM_UCB4GH_1HL 0x08 /* first horizonal line after VGT falling edge */
299 #define EXT_ROM_UCB4GH_ODD 0x10 /* odd frame indicator */
300 #define EXT_ROM_UCB4GH_INTSTAT 0x20 /* video interrupt */
302 #define VFAC_CTL1 0xe8
303 #define VFAC_CTL1_CAPTURE 0x01 /* capture enable (only when VSYNC high)*/
304 #define VFAC_CTL1_VFAC_ENABLE 0x02 /* vfac enable */
305 #define VFAC_CTL1_FREEZE_CAPTURE 0x04 /* freeze capture */
306 #define VFAC_CTL1_FREEZE_CAPTURE_SYNC 0x08 /* sync freeze capture */
307 #define VFAC_CTL1_VALIDFRAME_SRC 0x10 /* select valid frame source */
308 #define VFAC_CTL1_PHILIPS 0x40 /* select Philips mode */
309 #define VFAC_CTL1_MODVINTERPOLCLK 0x80 /* modify vertical interpolation clocl */
311 #define VFAC_CTL2 0xe9
312 #define VFAC_CTL2_INVERT_VIDDATAVALID 0x01 /* invert video data valid */
313 #define VFAC_CTL2_INVERT_GRAPHREADY 0x02 /* invert graphic ready output sig */
314 #define VFAC_CTL2_INVERT_DATACLK 0x04 /* invert data clock signal */
315 #define VFAC_CTL2_INVERT_HSYNC 0x08 /* invert hsync input */
316 #define VFAC_CTL2_INVERT_VSYNC 0x10 /* invert vsync input */
317 #define VFAC_CTL2_INVERT_FRAME 0x20 /* invert frame odd/even input */
318 #define VFAC_CTL2_INVERT_BLANK 0x40 /* invert blank output */
319 #define VFAC_CTL2_INVERT_OVSYNC 0x80 /* invert other vsync input */
321 #define VFAC_CTL3 0xea
322 #define VFAC_CTL3_CAP_LARGE_FIFO 0x01 /* large capture fifo */
323 #define VFAC_CTL3_CAP_INTERLACE 0x02 /* capture odd and even fields */
324 #define VFAC_CTL3_CAP_HOLD_4NS 0x00 /* hold capture data for 4ns */
325 #define VFAC_CTL3_CAP_HOLD_2NS 0x04 /* hold capture data for 2ns */
326 #define VFAC_CTL3_CAP_HOLD_6NS 0x08 /* hold capture data for 6ns */
327 #define VFAC_CTL3_CAP_HOLD_0NS 0x0c /* hold capture data for 0ns */
328 #define VFAC_CTL3_CHROMAKEY 0x20 /* capture data will be chromakeyed */
329 #define VFAC_CTL3_CAP_IRQ 0x40 /* enable capture interrupt */
331 #define CAP_MEM_START 0xeb /* 18 bits */
332 #define CAP_MAP_WIDTH 0xed /* high 6 bits */
333 #define CAP_PITCH 0xee /* 8 bits */
335 #define CAP_CTL_MISC 0xef
336 #define CAP_CTL_MISC_HDIV 0x01
337 #define CAP_CTL_MISC_HDIV4 0x02
338 #define CAP_CTL_MISC_ODDEVEN 0x04
339 #define CAP_CTL_MISC_HSYNCDIV2 0x08
340 #define CAP_CTL_MISC_SYNCTZHIGH 0x10
341 #define CAP_CTL_MISC_SYNCTZOR 0x20
342 #define CAP_CTL_MISC_DISPUSED 0x80
344 #define REG_BANK 0xfa
345 #define REG_BANK_X 0x00
346 #define REG_BANK_Y 0x01
347 #define REG_BANK_W 0x02
348 #define REG_BANK_T 0x03
349 #define REG_BANK_J 0x04
350 #define REG_BANK_K 0x05
355 #define BM_VID_ADDR_LOW 0xbc040
356 #define BM_VID_ADDR_HIGH 0xbc044
357 #define BM_ADDRESS_LOW 0xbc080
358 #define BM_ADDRESS_HIGH 0xbc084
359 #define BM_LENGTH 0xbc088
360 #define BM_CONTROL 0xbc08c
361 #define BM_CONTROL_ENABLE 0x01 /* enable transfer */
362 #define BM_CONTROL_IRQEN 0x02 /* enable IRQ at end of transfer */
363 #define BM_CONTROL_INIT 0x04 /* initialise status & count */
364 #define BM_COUNT 0xbc090 /* read-only */
369 #define TV_VBLANK_EVEN_START 0xbe43c
370 #define TV_VBLANK_EVEN_END 0xbe440
371 #define TV_VBLANK_ODD_START 0xbe444
372 #define TV_VBLANK_ODD_END 0xbe448
373 #define TV_SYNC_YGAIN 0xbe44c
374 #define TV_UV_GAIN 0xbe450
375 #define TV_PED_UVDET 0xbe454
376 #define TV_UV_BURST_AMP 0xbe458
377 #define TV_HSYNC_START 0xbe45c
378 #define TV_HSYNC_END 0xbe460
379 #define TV_Y_DELAY1 0xbe464
380 #define TV_Y_DELAY2 0xbe468
381 #define TV_UV_DELAY1 0xbe46c
382 #define TV_BURST_START 0xbe470
383 #define TV_BURST_END 0xbe474
384 #define TV_HBLANK_START 0xbe478
385 #define TV_HBLANK_END 0xbe47c
386 #define TV_PED_EVEN_START 0xbe480
387 #define TV_PED_EVEN_END 0xbe484
388 #define TV_PED_ODD_START 0xbe488
389 #define TV_PED_ODD_END 0xbe48c
390 #define TV_VSYNC_EVEN_START 0xbe490
391 #define TV_VSYNC_EVEN_END 0xbe494
392 #define TV_VSYNC_ODD_START 0xbe498
393 #define TV_VSYNC_ODD_END 0xbe49c
394 #define TV_SCFL 0xbe4a0
395 #define TV_SCFH 0xbe4a4
396 #define TV_SCP 0xbe4a8
397 #define TV_DELAYBYPASS 0xbe4b4
398 #define TV_EQL_END 0xbe4bc
399 #define TV_SERR_START 0xbe4c0
400 #define TV_SERR_END 0xbe4c4
401 #define TV_CTL 0xbe4dc /* reflects a previous register- MVFCLR, MVPCLR etc P241*/
402 #define TV_VSYNC_VGA_HS 0xbe4e8
403 #define TV_FLICK_XMIN 0xbe514
404 #define TV_FLICK_XMAX 0xbe518
405 #define TV_FLICK_YMIN 0xbe51c
406 #define TV_FLICK_YMAX 0xbe520
409 * Graphics Co-processor
411 #define CO_REG_CONTROL 0xbf011
412 #define CO_CTRL_BUSY 0x80
413 #define CO_CTRL_CMDFULL 0x04
414 #define CO_CTRL_FIFOEMPTY 0x02
415 #define CO_CTRL_READY 0x01
417 #define CO_REG_SRC_WIDTH 0xbf018
418 #define CO_REG_PIXFMT 0xbf01c
419 #define CO_PIXFMT_32BPP 0x03
420 #define CO_PIXFMT_24BPP 0x02
421 #define CO_PIXFMT_16BPP 0x01
422 #define CO_PIXFMT_8BPP 0x00
424 #define CO_REG_FGMIX 0xbf048
425 #define CO_FG_MIX_ZERO 0x00
426 #define CO_FG_MIX_SRC_AND_DST 0x01
427 #define CO_FG_MIX_SRC_AND_NDST 0x02
428 #define CO_FG_MIX_SRC 0x03
429 #define CO_FG_MIX_NSRC_AND_DST 0x04
430 #define CO_FG_MIX_DST 0x05
431 #define CO_FG_MIX_SRC_XOR_DST 0x06
432 #define CO_FG_MIX_SRC_OR_DST 0x07
433 #define CO_FG_MIX_NSRC_AND_NDST 0x08
434 #define CO_FG_MIX_SRC_XOR_NDST 0x09
435 #define CO_FG_MIX_NDST 0x0a
436 #define CO_FG_MIX_SRC_OR_NDST 0x0b
437 #define CO_FG_MIX_NSRC 0x0c
438 #define CO_FG_MIX_NSRC_OR_DST 0x0d
439 #define CO_FG_MIX_NSRC_OR_NDST 0x0e
440 #define CO_FG_MIX_ONES 0x0f
442 #define CO_REG_FGCOLOUR 0xbf058
443 #define CO_REG_BGCOLOUR 0xbf05c
444 #define CO_REG_PIXWIDTH 0xbf060
445 #define CO_REG_PIXHEIGHT 0xbf062
446 #define CO_REG_X_PHASE 0xbf078
447 #define CO_REG_CMD_L 0xbf07c
448 #define CO_CMD_L_PATTERN_FGCOL 0x8000
449 #define CO_CMD_L_INC_LEFT 0x0004
450 #define CO_CMD_L_INC_UP 0x0002
452 #define CO_REG_CMD_H 0xbf07e
453 #define CO_CMD_H_BGSRCMAP 0x8000 /* otherwise bg colour */
454 #define CO_CMD_H_FGSRCMAP 0x2000 /* otherwise fg colour */
455 #define CO_CMD_H_BLITTER 0x0800
457 #define CO_REG_SRC1_PTR 0xbf170
458 #define CO_REG_SRC2_PTR 0xbf174
459 #define CO_REG_DEST_PTR 0xbf178
460 #define CO_REG_DEST_WIDTH 0xbf218
467 struct cyberpro_info
{
469 unsigned char __iomem
*regs
;
472 unsigned int fb_size
;
473 unsigned int chip_id
;
476 * The following is a pointer to be passed into the
477 * functions below. The modules outside the main
478 * cyber2000fb.c driver have no knowledge as to what
479 * is within this structure.
481 struct cfb_info
*info
;
484 * Use these to enable the BM or TV registers. In an SMP
485 * environment, these two function pointers should only be
486 * called from the module_init() or module_exit()
489 void (*enable_extregs
)(struct cfb_info
*);
490 void (*disable_extregs
)(struct cfb_info
*);
493 #define ID_IGA_1682 0
494 #define ID_CYBERPRO_2000 1
495 #define ID_CYBERPRO_2010 2
496 #define ID_CYBERPRO_5000 3
498 struct fb_var_screeninfo
;
501 * Note! Writing to the Cyber20x0 registers from an interrupt
502 * routine is definitely a bad idea atm.
504 int cyber2000fb_attach(struct cyberpro_info
*info
, int idx
);
505 void cyber2000fb_detach(int idx
);
506 void cyber2000fb_enable_extregs(struct cfb_info
*cfb
);
507 void cyber2000fb_disable_extregs(struct cfb_info
*cfb
);
508 void cyber2000fb_get_fb_var(struct cfb_info
*cfb
, struct fb_var_screeninfo
*var
);