1 /*
2 * linux/drivers/video/savagefb.h -- S3 Savage Framebuffer Driver
3 *
4 * Copyright (c) 2001 Denis Oliver Kropp <dok@convergence.de>
5 *
6 * This file is subject to the terms and conditions of the GNU General
7 * Public License. See the file COPYING in the main directory of this
8 * archive for more details.
9 */
10
11
12 #ifndef __SAVAGEFB_H__
13 #define __SAVAGEFB_H__
14
15 #include <linux/i2c.h>
16 #include <linux/i2c-algo-bit.h>
17 #include <linux/mutex.h>
18 #include <video/vga.h>
19 #include "../edid.h"
20
21 #ifdef SAVAGEFB_DEBUG
22 # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x));
23 #else
24 # define DBG(x)
25 # define SavagePrintRegs(...)
26 #endif
27
28
29 #define PCI_CHIP_SAVAGE4 0x8a22
30 #define PCI_CHIP_SAVAGE3D 0x8a20
31 #define PCI_CHIP_SAVAGE3D_MV 0x8a21
32 #define PCI_CHIP_SAVAGE2000 0x9102
33 #define PCI_CHIP_SAVAGE_MX_MV 0x8c10
34 #define PCI_CHIP_SAVAGE_MX 0x8c11
35 #define PCI_CHIP_SAVAGE_IX_MV 0x8c12
36 #define PCI_CHIP_SAVAGE_IX 0x8c13
37 #define PCI_CHIP_PROSAVAGE_PM 0x8a25
38 #define PCI_CHIP_PROSAVAGE_KM 0x8a26
39 #define PCI_CHIP_S3TWISTER_P 0x8d01
40 #define PCI_CHIP_S3TWISTER_K 0x8d02
41 #define PCI_CHIP_PROSAVAGE_DDR 0x8d03
42 #define PCI_CHIP_PROSAVAGE_DDRK 0x8d04
43 #define PCI_CHIP_SUPSAV_MX128 0x8c22
44 #define PCI_CHIP_SUPSAV_MX64 0x8c24
45 #define PCI_CHIP_SUPSAV_MX64C 0x8c26
46 #define PCI_CHIP_SUPSAV_IX128SDR 0x8c2a
47 #define PCI_CHIP_SUPSAV_IX128DDR 0x8c2b
48 #define PCI_CHIP_SUPSAV_IX64SDR 0x8c2c
49 #define PCI_CHIP_SUPSAV_IX64DDR 0x8c2d
50 #define PCI_CHIP_SUPSAV_IXCSDR 0x8c2e
51 #define PCI_CHIP_SUPSAV_IXCDDR 0x8c2f
52
53
54 #define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))
55
56 #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))
57
58 #define S3_SAVAGE4_SERIES(chip) ((chip>=S3_SAVAGE4) && (chip<=S3_PROSAVAGEDDR))
59
60 #define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE))
61
62 #define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) || (chip==S3_PROSAVAGEDDR))
63
64 /* Chip tags. These are used to group the adapters into
65 * related families.
66 */
67
68 typedef enum {
69 S3_UNKNOWN = 0,
70 S3_SAVAGE3D,
71 S3_SAVAGE_MX,
72 S3_SAVAGE4,
73 S3_PROSAVAGE,
74 S3_TWISTER,
75 S3_PROSAVAGEDDR,
76 S3_SUPERSAVAGE,
77 S3_SAVAGE2000,
78 S3_LAST
79 } savage_chipset;
80
81 #define BIOS_BSIZE 1024
82 #define BIOS_BASE 0xc0000
83
84 #define SAVAGE_NEWMMIO_REGBASE_S3 0x1000000 /* 16MB */
85 #define SAVAGE_NEWMMIO_REGBASE_S4 0x0000000
86 #define SAVAGE_NEWMMIO_REGSIZE 0x0080000 /* 512kb */
87 #define SAVAGE_NEWMMIO_VGABASE 0x8000
88
89 #define BASE_FREQ 14318
90 #define HALF_BASE_FREQ 7159
91
92 #define FIFO_CONTROL_REG 0x8200
93 #define MIU_CONTROL_REG 0x8204
94 #define STREAMS_TIMEOUT_REG 0x8208
95 #define MISC_TIMEOUT_REG 0x820c
96
97 #define MONO_PAT_0 0xa4e8
98 #define MONO_PAT_1 0xa4ec
99
100 #define MAXFIFO 0x7f00
101
102 #define BCI_CMD_NOP 0x40000000
103 #define BCI_CMD_SETREG 0x96000000
104 #define BCI_CMD_RECT 0x48000000
105 #define BCI_CMD_RECT_XP 0x01000000
106 #define BCI_CMD_RECT_YP 0x02000000
107 #define BCI_CMD_SEND_COLOR 0x00008000
108 #define BCI_CMD_DEST_GBD 0x00000000
109 #define BCI_CMD_SRC_GBD 0x00000020
110 #define BCI_CMD_SRC_SOLID 0x00000000
111 #define BCI_CMD_SRC_MONO 0x00000060
112 #define BCI_CMD_CLIP_NEW 0x00006000
113 #define BCI_CMD_CLIP_LR 0x00004000
114
115 #define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF)
116 #define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF)
117 #define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF)
118 #define BCI_W_H(w, h) (((h) << 16) | ((w) & 0xFFF))
119 #define BCI_X_Y(x, y) (((y) << 16) | ((x) & 0xFFF))
120
121 #define BCI_GBD1 0xE0
122 #define BCI_GBD2 0xE1
123
124 #define BCI_BUFFER_OFFSET 0x10000
125 #define BCI_SIZE 0x4000
126
127 #define BCI_SEND(dw) writel(dw, par->bci_base + par->bci_ptr++)
128
129 #define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF)
130 #define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16))
131 #define BCI_CMD_SEND_COLOR 0x00008000
132
133 #define DISP_CRT 1
134 #define DISP_LCD 2
135 #define DISP_DFP 3
136
137 struct xtimings {
138 unsigned int Clock;
139 unsigned int HDisplay;
140 unsigned int HSyncStart;
141 unsigned int HSyncEnd;
142 unsigned int HTotal;
143 unsigned int HAdjusted;
144 unsigned int VDisplay;
145 unsigned int VSyncStart;
146 unsigned int VSyncEnd;
147 unsigned int VTotal;
148 unsigned int sync;
149 int dblscan;
150 int interlaced;
151 };
152
153 struct savage_reg {
154 unsigned char MiscOutReg; /* Misc */
155 unsigned char CRTC[25]; /* Crtc Controller */
156 unsigned char Sequencer[5]; /* Video Sequencer */
157 unsigned char Graphics[9]; /* Video Graphics */
158 unsigned char Attribute[21]; /* Video Attribute */
159
160 unsigned int mode, refresh;
161 unsigned char SR08, SR0E, SR0F;
162 unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30;
163 unsigned char SR54[8];
164 unsigned char Clock;
165 unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
166 unsigned char CR40, CR41, CR42, CR43, CR45;
167 unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E;
168 unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F;
169 unsigned char CR86, CR88;
170 unsigned char CR90, CR91, CRB0;
171 unsigned int STREAMS[22]; /* yuck, streams regs */
172 unsigned int MMPR0, MMPR1, MMPR2, MMPR3;
173 };
174 /* --------------------------------------------------------------------- */
175
176 #define NR_PALETTE 256
177
178
179 struct savagefb_par;
180
181 struct savagefb_i2c_chan {
182 struct savagefb_par *par;
183 struct i2c_adapter adapter;
184 struct i2c_algo_bit_data algo;
185 volatile u8 __iomem *ioaddr;
186 u32 reg;
187 };
188
189 struct savagefb_par {
190 struct pci_dev *pcidev;
191 savage_chipset chip;
192 struct savagefb_i2c_chan chan;
193 struct savage_reg state;
194 struct savage_reg save;
195 struct savage_reg initial;
196 struct vgastate vgastate;
197 struct mutex open_lock;
198 unsigned char *edid;
199 u32 pseudo_palette[16];
200 u32 open_count;
201 int paletteEnabled;
202 int pm_state;
203 int display_type;
204 int dvi;
205 int crtonly;
206 int dacSpeedBpp;
207 int maxClock;
208 int minClock;
209 int numClocks;
210 int clock[4];
211 int MCLK, REFCLK, LCDclk;
212 struct {
213 void __iomem *vbase;
214 u32 pbase;
215 u32 len;
216 int wc_cookie;
217 } video;
218
219 struct {
220 void __iomem *vbase;
221 u32 pbase;
222 u32 len;
223 } mmio;
224
225 volatile u32 __iomem *bci_base;
226 unsigned int bci_ptr;
227 u32 cob_offset;
228 u32 cob_size;
229 int cob_index;
230
231 void (*SavageWaitIdle) (struct savagefb_par *par);
232 void (*SavageWaitFifo) (struct savagefb_par *par, int space);
233
234 int HorizScaleFactor;
235
236 /* Panels size */
237 int SavagePanelWidth;
238 int SavagePanelHeight;
239
240 struct {
241 u16 red, green, blue, transp;
242 } palette[NR_PALETTE];
243
244 int depth;
245 int vwidth;
246 };
247
248 #define BCI_BD_BW_DISABLE 0x10000000
249 #define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16))
250 #define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF))
251
252
253 /* IO functions */
savage_in8(u32 addr,struct savagefb_par * par)254 static inline u8 savage_in8(u32 addr, struct savagefb_par *par)
255 {
256 return readb(par->mmio.vbase + addr);
257 }
258
savage_in16(u32 addr,struct savagefb_par * par)259 static inline u16 savage_in16(u32 addr, struct savagefb_par *par)
260 {
261 return readw(par->mmio.vbase + addr);
262 }
263
savage_in32(u32 addr,struct savagefb_par * par)264 static inline u32 savage_in32(u32 addr, struct savagefb_par *par)
265 {
266 return readl(par->mmio.vbase + addr);
267 }
268
savage_out8(u32 addr,u8 val,struct savagefb_par * par)269 static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par)
270 {
271 writeb(val, par->mmio.vbase + addr);
272 }
273
savage_out16(u32 addr,u16 val,struct savagefb_par * par)274 static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par)
275 {
276 writew(val, par->mmio.vbase + addr);
277 }
278
savage_out32(u32 addr,u32 val,struct savagefb_par * par)279 static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par)
280 {
281 writel(val, par->mmio.vbase + addr);
282 }
283
vga_in8(int addr,struct savagefb_par * par)284 static inline u8 vga_in8(int addr, struct savagefb_par *par)
285 {
286 return savage_in8(0x8000 + addr, par);
287 }
288
vga_in16(int addr,struct savagefb_par * par)289 static inline u16 vga_in16(int addr, struct savagefb_par *par)
290 {
291 return savage_in16(0x8000 + addr, par);
292 }
293
vga_in32(int addr,struct savagefb_par * par)294 static inline u8 vga_in32(int addr, struct savagefb_par *par)
295 {
296 return savage_in32(0x8000 + addr, par);
297 }
298
vga_out8(int addr,u8 val,struct savagefb_par * par)299 static inline void vga_out8(int addr, u8 val, struct savagefb_par *par)
300 {
301 savage_out8(0x8000 + addr, val, par);
302 }
303
vga_out16(int addr,u16 val,struct savagefb_par * par)304 static inline void vga_out16(int addr, u16 val, struct savagefb_par *par)
305 {
306 savage_out16(0x8000 + addr, val, par);
307 }
308
vga_out32(int addr,u32 val,struct savagefb_par * par)309 static inline void vga_out32(int addr, u32 val, struct savagefb_par *par)
310 {
311 savage_out32(0x8000 + addr, val, par);
312 }
313
VGArCR(u8 index,struct savagefb_par * par)314 static inline u8 VGArCR (u8 index, struct savagefb_par *par)
315 {
316 vga_out8(0x3d4, index, par);
317 return vga_in8(0x3d5, par);
318 }
319
VGArGR(u8 index,struct savagefb_par * par)320 static inline u8 VGArGR (u8 index, struct savagefb_par *par)
321 {
322 vga_out8(0x3ce, index, par);
323 return vga_in8(0x3cf, par);
324 }
325
VGArSEQ(u8 index,struct savagefb_par * par)326 static inline u8 VGArSEQ (u8 index, struct savagefb_par *par)
327 {
328 vga_out8(0x3c4, index, par);
329 return vga_in8(0x3c5, par);
330 }
331
VGAwCR(u8 index,u8 val,struct savagefb_par * par)332 static inline void VGAwCR(u8 index, u8 val, struct savagefb_par *par)
333 {
334 vga_out8(0x3d4, index, par);
335 vga_out8(0x3d5, val, par);
336 }
337
VGAwGR(u8 index,u8 val,struct savagefb_par * par)338 static inline void VGAwGR(u8 index, u8 val, struct savagefb_par *par)
339 {
340 vga_out8(0x3ce, index, par);
341 vga_out8(0x3cf, val, par);
342 }
343
VGAwSEQ(u8 index,u8 val,struct savagefb_par * par)344 static inline void VGAwSEQ(u8 index, u8 val, struct savagefb_par *par)
345 {
346 vga_out8(0x3c4, index, par);
347 vga_out8 (0x3c5, val, par);
348 }
349
VGAenablePalette(struct savagefb_par * par)350 static inline void VGAenablePalette(struct savagefb_par *par)
351 {
352 vga_in8(0x3da, par);
353 vga_out8(0x3c0, 0x00, par);
354 par->paletteEnabled = 1;
355 }
356
VGAdisablePalette(struct savagefb_par * par)357 static inline void VGAdisablePalette(struct savagefb_par *par)
358 {
359 vga_in8(0x3da, par);
360 vga_out8(0x3c0, 0x20, par);
361 par->paletteEnabled = 0;
362 }
363
VGAwATTR(u8 index,u8 value,struct savagefb_par * par)364 static inline void VGAwATTR(u8 index, u8 value, struct savagefb_par *par)
365 {
366 if (par->paletteEnabled)
367 index &= ~0x20;
368 else
369 index |= 0x20;
370
371 vga_in8(0x3da, par);
372 vga_out8(0x3c0, index, par);
373 vga_out8 (0x3c0, value, par);
374 }
375
VGAwMISC(u8 value,struct savagefb_par * par)376 static inline void VGAwMISC(u8 value, struct savagefb_par *par)
377 {
378 vga_out8(0x3c2, value, par);
379 }
380
381 #ifndef CONFIG_FB_SAVAGE_ACCEL
382 #define savagefb_set_clip(x)
383 #endif
384
VerticalRetraceWait(struct savagefb_par * par)385 static inline void VerticalRetraceWait(struct savagefb_par *par)
386 {
387 vga_out8(0x3d4, 0x17, par);
388 if (vga_in8(0x3d5, par) & 0x80) {
389 while ((vga_in8(0x3da, par) & 0x08) == 0x08);
390 while ((vga_in8(0x3da, par) & 0x08) == 0x00);
391 }
392 }
393
394 extern int savagefb_probe_i2c_connector(struct fb_info *info,
395 u8 **out_edid);
396 extern void savagefb_create_i2c_busses(struct fb_info *info);
397 extern void savagefb_delete_i2c_busses(struct fb_info *info);
398 extern int savagefb_sync(struct fb_info *info);
399 extern void savagefb_copyarea(struct fb_info *info,
400 const struct fb_copyarea *region);
401 extern void savagefb_fillrect(struct fb_info *info,
402 const struct fb_fillrect *rect);
403 extern void savagefb_imageblit(struct fb_info *info,
404 const struct fb_image *image);
405
406
407 #endif /* __SAVAGEFB_H__ */
408