1  /* SPDX-License-Identifier: GPL-2.0-or-later */
2  /*
3   * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
4   * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5  
6   */
7  
8  #ifndef __HW_H__
9  #define __HW_H__
10  
11  #include <linux/seq_file.h>
12  
13  #include "viamode.h"
14  #include "global.h"
15  #include "via_modesetting.h"
16  
17  #define viafb_read_reg(p, i)			via_read_reg(p, i)
18  #define viafb_write_reg(i, p, d)		via_write_reg(p, i, d)
19  #define viafb_write_reg_mask(i, p, d, m)	via_write_reg_mask(p, i, d, m)
20  
21  /* VIA output devices */
22  #define VIA_LDVP0	0x00000001
23  #define VIA_LDVP1	0x00000002
24  #define VIA_DVP0	0x00000004
25  #define VIA_CRT		0x00000010
26  #define VIA_DVP1	0x00000020
27  #define VIA_LVDS1	0x00000040
28  #define VIA_LVDS2	0x00000080
29  
30  /* VIA output device power states */
31  #define VIA_STATE_ON		0
32  #define VIA_STATE_STANDBY	1
33  #define VIA_STATE_SUSPEND	2
34  #define VIA_STATE_OFF		3
35  
36  /* VIA output device sync polarity */
37  #define VIA_HSYNC_NEGATIVE	0x01
38  #define VIA_VSYNC_NEGATIVE	0x02
39  
40  /**********************************************************/
41  /* Definition IGA2 Design Method of CRTC Shadow Registers */
42  /**********************************************************/
43  #define IGA2_HOR_TOTAL_SHADOW_FORMULA(x)           ((x/8)-5)
44  #define IGA2_HOR_BLANK_END_SHADOW_FORMULA(x, y)     (((x+y)/8)-1)
45  #define IGA2_VER_TOTAL_SHADOW_FORMULA(x)           ((x)-2)
46  #define IGA2_VER_ADDR_SHADOW_FORMULA(x)            ((x)-1)
47  #define IGA2_VER_BLANK_START_SHADOW_FORMULA(x)     ((x)-1)
48  #define IGA2_VER_BLANK_END_SHADOW_FORMULA(x, y)     ((x+y)-1)
49  #define IGA2_VER_SYNC_START_SHADOW_FORMULA(x)      (x)
50  #define IGA2_VER_SYNC_END_SHADOW_FORMULA(x, y)      (x+y)
51  
52  /* Define Register Number for IGA2 Shadow CRTC Timing */
53  
54  /* location: {CR6D,0,7},{CR71,3,3} */
55  #define IGA2_SHADOW_HOR_TOTAL_REG_NUM       2
56  /* location: {CR6E,0,7} */
57  #define IGA2_SHADOW_HOR_BLANK_END_REG_NUM   1
58  /* location: {CR6F,0,7},{CR71,0,2} */
59  #define IGA2_SHADOW_VER_TOTAL_REG_NUM       2
60  /* location: {CR70,0,7},{CR71,4,6} */
61  #define IGA2_SHADOW_VER_ADDR_REG_NUM        2
62  /* location: {CR72,0,7},{CR74,4,6} */
63  #define IGA2_SHADOW_VER_BLANK_START_REG_NUM 2
64  /* location: {CR73,0,7},{CR74,0,2} */
65  #define IGA2_SHADOW_VER_BLANK_END_REG_NUM   2
66  /* location: {CR75,0,7},{CR76,4,6} */
67  #define IGA2_SHADOW_VER_SYNC_START_REG_NUM  2
68  /* location: {CR76,0,3} */
69  #define IGA2_SHADOW_VER_SYNC_END_REG_NUM    1
70  
71  /* Define Fetch Count Register*/
72  
73  /* location: {SR1C,0,7},{SR1D,0,1} */
74  #define IGA1_FETCH_COUNT_REG_NUM        2
75  /* 16 bytes alignment. */
76  #define IGA1_FETCH_COUNT_ALIGN_BYTE     16
77  /* x: H resolution, y: color depth */
78  #define IGA1_FETCH_COUNT_PATCH_VALUE    4
79  #define IGA1_FETCH_COUNT_FORMULA(x, y)   \
80  	(((x*y)/IGA1_FETCH_COUNT_ALIGN_BYTE) + IGA1_FETCH_COUNT_PATCH_VALUE)
81  
82  /* location: {CR65,0,7},{CR67,2,3} */
83  #define IGA2_FETCH_COUNT_REG_NUM        2
84  #define IGA2_FETCH_COUNT_ALIGN_BYTE     16
85  #define IGA2_FETCH_COUNT_PATCH_VALUE    0
86  #define IGA2_FETCH_COUNT_FORMULA(x, y)   \
87  	(((x*y)/IGA2_FETCH_COUNT_ALIGN_BYTE) + IGA2_FETCH_COUNT_PATCH_VALUE)
88  
89  /* Staring Address*/
90  
91  /* location: {CR0C,0,7},{CR0D,0,7},{CR34,0,7},{CR48,0,1} */
92  #define IGA1_STARTING_ADDR_REG_NUM      4
93  /* location: {CR62,1,7},{CR63,0,7},{CR64,0,7} */
94  #define IGA2_STARTING_ADDR_REG_NUM      3
95  
96  /* Define Display OFFSET*/
97  /* These value are by HW suggested value*/
98  /* location: {SR17,0,7} */
99  #define K800_IGA1_FIFO_MAX_DEPTH                384
100  /* location: {SR16,0,5},{SR16,7,7} */
101  #define K800_IGA1_FIFO_THRESHOLD                328
102  /* location: {SR18,0,5},{SR18,7,7} */
103  #define K800_IGA1_FIFO_HIGH_THRESHOLD           296
104  /* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */
105  				/* because HW only 5 bits */
106  #define K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      0
107  
108  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
109  #define K800_IGA2_FIFO_MAX_DEPTH                384
110  /* location: {CR68,0,3},{CR95,4,6} */
111  #define K800_IGA2_FIFO_THRESHOLD                328
112  /* location: {CR92,0,3},{CR95,0,2} */
113  #define K800_IGA2_FIFO_HIGH_THRESHOLD           296
114  /* location: {CR94,0,6} */
115  #define K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM      128
116  
117  /* location: {SR17,0,7} */
118  #define P880_IGA1_FIFO_MAX_DEPTH                192
119  /* location: {SR16,0,5},{SR16,7,7} */
120  #define P880_IGA1_FIFO_THRESHOLD                128
121  /* location: {SR18,0,5},{SR18,7,7} */
122  #define P880_IGA1_FIFO_HIGH_THRESHOLD           64
123  /* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */
124  				/* because HW only 5 bits */
125  #define P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      0
126  
127  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
128  #define P880_IGA2_FIFO_MAX_DEPTH                96
129  /* location: {CR68,0,3},{CR95,4,6} */
130  #define P880_IGA2_FIFO_THRESHOLD                64
131  /* location: {CR92,0,3},{CR95,0,2} */
132  #define P880_IGA2_FIFO_HIGH_THRESHOLD           32
133  /* location: {CR94,0,6} */
134  #define P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM      128
135  
136  /* VT3314 chipset*/
137  
138  /* location: {SR17,0,7} */
139  #define CN700_IGA1_FIFO_MAX_DEPTH               96
140  /* location: {SR16,0,5},{SR16,7,7} */
141  #define CN700_IGA1_FIFO_THRESHOLD               80
142  /* location: {SR18,0,5},{SR18,7,7} */
143  #define CN700_IGA1_FIFO_HIGH_THRESHOLD          64
144  /* location: {SR22,0,4}. (128/4) =64, P800 must be set zero,
145  				because HW only 5 bits */
146  #define CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     0
147  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
148  #define CN700_IGA2_FIFO_MAX_DEPTH               96
149  /* location: {CR68,0,3},{CR95,4,6} */
150  #define CN700_IGA2_FIFO_THRESHOLD               80
151  /* location: {CR92,0,3},{CR95,0,2} */
152  #define CN700_IGA2_FIFO_HIGH_THRESHOLD          32
153  /* location: {CR94,0,6} */
154  #define CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
155  
156  /* For VT3324, these values are suggested by HW */
157  /* location: {SR17,0,7} */
158  #define CX700_IGA1_FIFO_MAX_DEPTH               192
159  /* location: {SR16,0,5},{SR16,7,7} */
160  #define CX700_IGA1_FIFO_THRESHOLD               128
161  /* location: {SR18,0,5},{SR18,7,7} */
162  #define CX700_IGA1_FIFO_HIGH_THRESHOLD          128
163  /* location: {SR22,0,4} */
164  #define CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     124
165  
166  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
167  #define CX700_IGA2_FIFO_MAX_DEPTH               96
168  /* location: {CR68,0,3},{CR95,4,6} */
169  #define CX700_IGA2_FIFO_THRESHOLD               64
170  /* location: {CR92,0,3},{CR95,0,2} */
171  #define CX700_IGA2_FIFO_HIGH_THRESHOLD          32
172  /* location: {CR94,0,6} */
173  #define CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
174  
175  /* VT3336 chipset*/
176  /* location: {SR17,0,7} */
177  #define K8M890_IGA1_FIFO_MAX_DEPTH               360
178  /* location: {SR16,0,5},{SR16,7,7} */
179  #define K8M890_IGA1_FIFO_THRESHOLD               328
180  /* location: {SR18,0,5},{SR18,7,7} */
181  #define K8M890_IGA1_FIFO_HIGH_THRESHOLD          296
182  /* location: {SR22,0,4}. */
183  #define K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     124
184  
185  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
186  #define K8M890_IGA2_FIFO_MAX_DEPTH               360
187  /* location: {CR68,0,3},{CR95,4,6} */
188  #define K8M890_IGA2_FIFO_THRESHOLD               328
189  /* location: {CR92,0,3},{CR95,0,2} */
190  #define K8M890_IGA2_FIFO_HIGH_THRESHOLD          296
191  /* location: {CR94,0,6} */
192  #define K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     124
193  
194  /* VT3327 chipset*/
195  /* location: {SR17,0,7} */
196  #define P4M890_IGA1_FIFO_MAX_DEPTH               96
197  /* location: {SR16,0,5},{SR16,7,7} */
198  #define P4M890_IGA1_FIFO_THRESHOLD               76
199  /* location: {SR18,0,5},{SR18,7,7} */
200  #define P4M890_IGA1_FIFO_HIGH_THRESHOLD          64
201  /* location: {SR22,0,4}. (32/4) =8 */
202  #define P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     32
203  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
204  #define P4M890_IGA2_FIFO_MAX_DEPTH               96
205  /* location: {CR68,0,3},{CR95,4,6} */
206  #define P4M890_IGA2_FIFO_THRESHOLD               76
207  /* location: {CR92,0,3},{CR95,0,2} */
208  #define P4M890_IGA2_FIFO_HIGH_THRESHOLD          64
209  /* location: {CR94,0,6} */
210  #define P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     32
211  
212  /* VT3364 chipset*/
213  /* location: {SR17,0,7} */
214  #define P4M900_IGA1_FIFO_MAX_DEPTH               96
215  /* location: {SR16,0,5},{SR16,7,7} */
216  #define P4M900_IGA1_FIFO_THRESHOLD               76
217  /* location: {SR18,0,5},{SR18,7,7} */
218  #define P4M900_IGA1_FIFO_HIGH_THRESHOLD          76
219  /* location: {SR22,0,4}. */
220  #define P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     32
221  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
222  #define P4M900_IGA2_FIFO_MAX_DEPTH               96
223  /* location: {CR68,0,3},{CR95,4,6} */
224  #define P4M900_IGA2_FIFO_THRESHOLD               76
225  /* location: {CR92,0,3},{CR95,0,2} */
226  #define P4M900_IGA2_FIFO_HIGH_THRESHOLD          76
227  /* location: {CR94,0,6} */
228  #define P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     32
229  
230  /* For VT3353, these values are suggested by HW */
231  /* location: {SR17,0,7} */
232  #define VX800_IGA1_FIFO_MAX_DEPTH               192
233  /* location: {SR16,0,5},{SR16,7,7} */
234  #define VX800_IGA1_FIFO_THRESHOLD               152
235  /* location: {SR18,0,5},{SR18,7,7} */
236  #define VX800_IGA1_FIFO_HIGH_THRESHOLD          152
237  /* location: {SR22,0,4} */
238  #define VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      64
239  /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
240  #define VX800_IGA2_FIFO_MAX_DEPTH               96
241  /* location: {CR68,0,3},{CR95,4,6} */
242  #define VX800_IGA2_FIFO_THRESHOLD               64
243  /* location: {CR92,0,3},{CR95,0,2} */
244  #define VX800_IGA2_FIFO_HIGH_THRESHOLD          32
245  /* location: {CR94,0,6} */
246  #define VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
247  
248  /* For VT3409 */
249  #define VX855_IGA1_FIFO_MAX_DEPTH               400
250  #define VX855_IGA1_FIFO_THRESHOLD               320
251  #define VX855_IGA1_FIFO_HIGH_THRESHOLD          320
252  #define VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     160
253  
254  #define VX855_IGA2_FIFO_MAX_DEPTH               200
255  #define VX855_IGA2_FIFO_THRESHOLD               160
256  #define VX855_IGA2_FIFO_HIGH_THRESHOLD          160
257  #define VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     320
258  
259  /* For VT3410 */
260  #define VX900_IGA1_FIFO_MAX_DEPTH               400
261  #define VX900_IGA1_FIFO_THRESHOLD               320
262  #define VX900_IGA1_FIFO_HIGH_THRESHOLD          320
263  #define VX900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     160
264  
265  #define VX900_IGA2_FIFO_MAX_DEPTH               192
266  #define VX900_IGA2_FIFO_THRESHOLD               160
267  #define VX900_IGA2_FIFO_HIGH_THRESHOLD          160
268  #define VX900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     320
269  
270  #define IGA1_FIFO_DEPTH_SELECT_REG_NUM          1
271  #define IGA1_FIFO_THRESHOLD_REG_NUM             2
272  #define IGA1_FIFO_HIGH_THRESHOLD_REG_NUM        2
273  #define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM   1
274  
275  #define IGA2_FIFO_DEPTH_SELECT_REG_NUM          3
276  #define IGA2_FIFO_THRESHOLD_REG_NUM             2
277  #define IGA2_FIFO_HIGH_THRESHOLD_REG_NUM        2
278  #define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM   1
279  
280  #define IGA1_FIFO_DEPTH_SELECT_FORMULA(x)                   ((x/2)-1)
281  #define IGA1_FIFO_THRESHOLD_FORMULA(x)                      (x/4)
282  #define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x)            (x/4)
283  #define IGA1_FIFO_HIGH_THRESHOLD_FORMULA(x)                 (x/4)
284  #define IGA2_FIFO_DEPTH_SELECT_FORMULA(x)                   (((x/2)/4)-1)
285  #define IGA2_FIFO_THRESHOLD_FORMULA(x)                      (x/4)
286  #define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x)            (x/4)
287  #define IGA2_FIFO_HIGH_THRESHOLD_FORMULA(x)                 (x/4)
288  
289  /************************************************************************/
290  /*  LCD Timing                                                          */
291  /************************************************************************/
292  
293  /* 500 ms = 500000 us */
294  #define LCD_POWER_SEQ_TD0               500000
295  /* 50 ms = 50000 us */
296  #define LCD_POWER_SEQ_TD1               50000
297  /* 0 us */
298  #define LCD_POWER_SEQ_TD2               0
299  /* 210 ms = 210000 us */
300  #define LCD_POWER_SEQ_TD3               210000
301  /* 2^10 * (1/14.31818M) = 71.475 us (K400.revA) */
302  #define CLE266_POWER_SEQ_UNIT           71
303  /* 2^11 * (1/14.31818M) = 142.95 us (K400.revB) */
304  #define K800_POWER_SEQ_UNIT             142
305  /* 2^13 * (1/14.31818M) = 572.1 us */
306  #define P880_POWER_SEQ_UNIT             572
307  
308  #define CLE266_POWER_SEQ_FORMULA(x)     ((x)/CLE266_POWER_SEQ_UNIT)
309  #define K800_POWER_SEQ_FORMULA(x)       ((x)/K800_POWER_SEQ_UNIT)
310  #define P880_POWER_SEQ_FORMULA(x)       ((x)/P880_POWER_SEQ_UNIT)
311  
312  /* location: {CR8B,0,7},{CR8F,0,3} */
313  #define LCD_POWER_SEQ_TD0_REG_NUM       2
314  /* location: {CR8C,0,7},{CR8F,4,7} */
315  #define LCD_POWER_SEQ_TD1_REG_NUM       2
316  /* location: {CR8D,0,7},{CR90,0,3} */
317  #define LCD_POWER_SEQ_TD2_REG_NUM       2
318  /* location: {CR8E,0,7},{CR90,4,7} */
319  #define LCD_POWER_SEQ_TD3_REG_NUM       2
320  
321  /* LCD Scaling factor*/
322  /* x: indicate setting horizontal size*/
323  /* y: indicate panel horizontal size*/
324  
325  /* Horizontal scaling factor 10 bits (2^10) */
326  #define CLE266_LCD_HOR_SCF_FORMULA(x, y)   (((x-1)*1024)/(y-1))
327  /* Vertical scaling factor 10 bits (2^10) */
328  #define CLE266_LCD_VER_SCF_FORMULA(x, y)   (((x-1)*1024)/(y-1))
329  /* Horizontal scaling factor 10 bits (2^12) */
330  #define K800_LCD_HOR_SCF_FORMULA(x, y)     (((x-1)*4096)/(y-1))
331  /* Vertical scaling factor 10 bits (2^11) */
332  #define K800_LCD_VER_SCF_FORMULA(x, y)     (((x-1)*2048)/(y-1))
333  
334  /* location: {CR9F,0,1},{CR77,0,7},{CR79,4,5} */
335  #define LCD_HOR_SCALING_FACTOR_REG_NUM  3
336  /* location: {CR79,3,3},{CR78,0,7},{CR79,6,7} */
337  #define LCD_VER_SCALING_FACTOR_REG_NUM  3
338  /* location: {CR77,0,7},{CR79,4,5} */
339  #define LCD_HOR_SCALING_FACTOR_REG_NUM_CLE  2
340  /* location: {CR78,0,7},{CR79,6,7} */
341  #define LCD_VER_SCALING_FACTOR_REG_NUM_CLE  2
342  
343  struct io_register {
344  	u8 io_addr;
345  	u8 start_bit;
346  	u8 end_bit;
347  };
348  
349  /*****************************************************
350  **      Define IGA2 Shadow Display Timing         ****
351  *****************************************************/
352  
353  /* IGA2 Shadow Horizontal Total */
354  struct iga2_shadow_hor_total {
355  	int reg_num;
356  	struct io_register reg[IGA2_SHADOW_HOR_TOTAL_REG_NUM];
357  };
358  
359  /* IGA2 Shadow Horizontal Blank End */
360  struct iga2_shadow_hor_blank_end {
361  	int reg_num;
362  	struct io_register reg[IGA2_SHADOW_HOR_BLANK_END_REG_NUM];
363  };
364  
365  /* IGA2 Shadow Vertical Total */
366  struct iga2_shadow_ver_total {
367  	int reg_num;
368  	struct io_register reg[IGA2_SHADOW_VER_TOTAL_REG_NUM];
369  };
370  
371  /* IGA2 Shadow Vertical Addressable Video */
372  struct iga2_shadow_ver_addr {
373  	int reg_num;
374  	struct io_register reg[IGA2_SHADOW_VER_ADDR_REG_NUM];
375  };
376  
377  /* IGA2 Shadow Vertical Blank Start */
378  struct iga2_shadow_ver_blank_start {
379  	int reg_num;
380  	struct io_register reg[IGA2_SHADOW_VER_BLANK_START_REG_NUM];
381  };
382  
383  /* IGA2 Shadow Vertical Blank End */
384  struct iga2_shadow_ver_blank_end {
385  	int reg_num;
386  	struct io_register reg[IGA2_SHADOW_VER_BLANK_END_REG_NUM];
387  };
388  
389  /* IGA2 Shadow Vertical Sync Start */
390  struct iga2_shadow_ver_sync_start {
391  	int reg_num;
392  	struct io_register reg[IGA2_SHADOW_VER_SYNC_START_REG_NUM];
393  };
394  
395  /* IGA2 Shadow Vertical Sync End */
396  struct iga2_shadow_ver_sync_end {
397  	int reg_num;
398  	struct io_register reg[IGA2_SHADOW_VER_SYNC_END_REG_NUM];
399  };
400  
401  /* IGA1 Fetch Count Register */
402  struct iga1_fetch_count {
403  	int reg_num;
404  	struct io_register reg[IGA1_FETCH_COUNT_REG_NUM];
405  };
406  
407  /* IGA2 Fetch Count Register */
408  struct iga2_fetch_count {
409  	int reg_num;
410  	struct io_register reg[IGA2_FETCH_COUNT_REG_NUM];
411  };
412  
413  struct fetch_count {
414  	struct iga1_fetch_count iga1_fetch_count_reg;
415  	struct iga2_fetch_count iga2_fetch_count_reg;
416  };
417  
418  /* Starting Address Register */
419  struct iga1_starting_addr {
420  	int reg_num;
421  	struct io_register reg[IGA1_STARTING_ADDR_REG_NUM];
422  };
423  
424  struct iga2_starting_addr {
425  	int reg_num;
426  	struct io_register reg[IGA2_STARTING_ADDR_REG_NUM];
427  };
428  
429  struct starting_addr {
430  	struct iga1_starting_addr iga1_starting_addr_reg;
431  	struct iga2_starting_addr iga2_starting_addr_reg;
432  };
433  
434  /* LCD Power Sequence Timer */
435  struct lcd_pwd_seq_td0 {
436  	int reg_num;
437  	struct io_register reg[LCD_POWER_SEQ_TD0_REG_NUM];
438  };
439  
440  struct lcd_pwd_seq_td1 {
441  	int reg_num;
442  	struct io_register reg[LCD_POWER_SEQ_TD1_REG_NUM];
443  };
444  
445  struct lcd_pwd_seq_td2 {
446  	int reg_num;
447  	struct io_register reg[LCD_POWER_SEQ_TD2_REG_NUM];
448  };
449  
450  struct lcd_pwd_seq_td3 {
451  	int reg_num;
452  	struct io_register reg[LCD_POWER_SEQ_TD3_REG_NUM];
453  };
454  
455  struct _lcd_pwd_seq_timer {
456  	struct lcd_pwd_seq_td0 td0;
457  	struct lcd_pwd_seq_td1 td1;
458  	struct lcd_pwd_seq_td2 td2;
459  	struct lcd_pwd_seq_td3 td3;
460  };
461  
462  /* LCD Scaling Factor */
463  struct _lcd_hor_scaling_factor {
464  	int reg_num;
465  	struct io_register reg[LCD_HOR_SCALING_FACTOR_REG_NUM];
466  };
467  
468  struct _lcd_ver_scaling_factor {
469  	int reg_num;
470  	struct io_register reg[LCD_VER_SCALING_FACTOR_REG_NUM];
471  };
472  
473  struct _lcd_scaling_factor {
474  	struct _lcd_hor_scaling_factor lcd_hor_scaling_factor;
475  	struct _lcd_ver_scaling_factor lcd_ver_scaling_factor;
476  };
477  
478  struct pll_limit {
479  	u16 multiplier_min;
480  	u16 multiplier_max;
481  	u8 divisor;
482  	u8 rshift;
483  };
484  
485  struct rgbLUT {
486  	u8 red;
487  	u8 green;
488  	u8 blue;
489  };
490  
491  struct lcd_pwd_seq_timer {
492  	u16 td0;
493  	u16 td1;
494  	u16 td2;
495  	u16 td3;
496  };
497  
498  /* Display FIFO Relation Registers*/
499  struct iga1_fifo_depth_select {
500  	int reg_num;
501  	struct io_register reg[IGA1_FIFO_DEPTH_SELECT_REG_NUM];
502  };
503  
504  struct iga1_fifo_threshold_select {
505  	int reg_num;
506  	struct io_register reg[IGA1_FIFO_THRESHOLD_REG_NUM];
507  };
508  
509  struct iga1_fifo_high_threshold_select {
510  	int reg_num;
511  	struct io_register reg[IGA1_FIFO_HIGH_THRESHOLD_REG_NUM];
512  };
513  
514  struct iga1_display_queue_expire_num {
515  	int reg_num;
516  	struct io_register reg[IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM];
517  };
518  
519  struct iga2_fifo_depth_select {
520  	int reg_num;
521  	struct io_register reg[IGA2_FIFO_DEPTH_SELECT_REG_NUM];
522  };
523  
524  struct iga2_fifo_threshold_select {
525  	int reg_num;
526  	struct io_register reg[IGA2_FIFO_THRESHOLD_REG_NUM];
527  };
528  
529  struct iga2_fifo_high_threshold_select {
530  	int reg_num;
531  	struct io_register reg[IGA2_FIFO_HIGH_THRESHOLD_REG_NUM];
532  };
533  
534  struct iga2_display_queue_expire_num {
535  	int reg_num;
536  	struct io_register reg[IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM];
537  };
538  
539  struct fifo_depth_select {
540  	struct iga1_fifo_depth_select iga1_fifo_depth_select_reg;
541  	struct iga2_fifo_depth_select iga2_fifo_depth_select_reg;
542  };
543  
544  struct fifo_threshold_select {
545  	struct iga1_fifo_threshold_select iga1_fifo_threshold_select_reg;
546  	struct iga2_fifo_threshold_select iga2_fifo_threshold_select_reg;
547  };
548  
549  struct fifo_high_threshold_select {
550  	struct iga1_fifo_high_threshold_select
551  	 iga1_fifo_high_threshold_select_reg;
552  	struct iga2_fifo_high_threshold_select
553  	 iga2_fifo_high_threshold_select_reg;
554  };
555  
556  struct display_queue_expire_num {
557  	struct iga1_display_queue_expire_num
558  	 iga1_display_queue_expire_num_reg;
559  	struct iga2_display_queue_expire_num
560  	 iga2_display_queue_expire_num_reg;
561  };
562  
563  struct iga2_shadow_crtc_timing {
564  	struct iga2_shadow_hor_total hor_total_shadow;
565  	struct iga2_shadow_hor_blank_end hor_blank_end_shadow;
566  	struct iga2_shadow_ver_total ver_total_shadow;
567  	struct iga2_shadow_ver_addr ver_addr_shadow;
568  	struct iga2_shadow_ver_blank_start ver_blank_start_shadow;
569  	struct iga2_shadow_ver_blank_end ver_blank_end_shadow;
570  	struct iga2_shadow_ver_sync_start ver_sync_start_shadow;
571  	struct iga2_shadow_ver_sync_end ver_sync_end_shadow;
572  };
573  
574  /* device ID */
575  #define CLE266_FUNCTION3    0x3123
576  #define KM400_FUNCTION3     0x3205
577  #define CN400_FUNCTION2     0x2259
578  #define CN400_FUNCTION3     0x3259
579  /* support VT3314 chipset */
580  #define CN700_FUNCTION2     0x2314
581  #define CN700_FUNCTION3     0x3208
582  /* VT3324 chipset */
583  #define CX700_FUNCTION2     0x2324
584  #define CX700_FUNCTION3     0x3324
585  /* VT3204 chipset*/
586  #define KM800_FUNCTION3      0x3204
587  /* VT3336 chipset*/
588  #define KM890_FUNCTION3      0x3336
589  /* VT3327 chipset*/
590  #define P4M890_FUNCTION3     0x3327
591  /* VT3293 chipset*/
592  #define CN750_FUNCTION3     0x3208
593  /* VT3364 chipset*/
594  #define P4M900_FUNCTION3    0x3364
595  /* VT3353 chipset*/
596  #define VX800_FUNCTION3     0x3353
597  /* VT3409 chipset*/
598  #define VX855_FUNCTION3     0x3409
599  /* VT3410 chipset*/
600  #define VX900_FUNCTION3     0x3410
601  
602  struct IODATA {
603  	u8 Index;
604  	u8 Mask;
605  	u8 Data;
606  };
607  
608  struct pci_device_id_info {
609  	u32 vendor;
610  	u32 device;
611  	u32 chip_index;
612  };
613  
614  struct via_device_mapping {
615  	u32 device;
616  	const char *name;
617  };
618  
619  extern int viafb_SAMM_ON;
620  extern int viafb_dual_fb;
621  extern int viafb_LCD2_ON;
622  extern int viafb_LCD_ON;
623  extern int viafb_DVI_ON;
624  extern int viafb_hotplug;
625  
626  struct via_display_timing var_to_timing(const struct fb_var_screeninfo *var,
627  	u16 cxres, u16 cyres);
628  void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var,
629  	u16 cxres, u16 cyres, int iga);
630  void viafb_set_vclock(u32 CLK, int set_iga);
631  void viafb_load_reg(int timing_value, int viafb_load_reg_num,
632  	struct io_register *reg,
633  	      int io_type);
634  void via_set_source(u32 devices, u8 iga);
635  void via_set_state(u32 devices, u8 state);
636  void via_set_sync_polarity(u32 devices, u8 polarity);
637  u32 via_parse_odev(char *input, char **end);
638  void via_odev_to_seq(struct seq_file *m, u32 odev);
639  void init_ad9389(void);
640  /* Access I/O Function */
641  void viafb_lock_crt(void);
642  void viafb_unlock_crt(void);
643  void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga);
644  void viafb_write_regx(struct io_reg RegTable[], int ItemNum);
645  void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active);
646  void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
647  					*p_gfx_dpa_setting);
648  
649  int viafb_setmode(void);
650  void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
651  	const struct fb_videomode *mode);
652  void viafb_init_chip_info(int chip_type);
653  void viafb_init_dac(int set_iga);
654  int viafb_get_refresh(int hres, int vres, u32 float_refresh);
655  void viafb_update_device_setting(int hres, int vres, int bpp, int flag);
656  
657  void viafb_set_iga_path(void);
658  void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue);
659  void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue);
660  void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len);
661  
662  #endif /* __HW_H__ */
663