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-id.h>
17 #include <linux/i2c-algo-bit.h>
18 #include <linux/mutex.h>
19 #include <video/vga.h>
20 #include "../edid.h"
21
22 #ifdef SAVAGEFB_DEBUG
23 # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x));
24 #else
25 # define DBG(x)
26 # define SavagePrintRegs(...)
27 #endif
28
29
30 #define PCI_CHIP_SAVAGE4 0x8a22
31 #define PCI_CHIP_SAVAGE3D 0x8a20
32 #define PCI_CHIP_SAVAGE3D_MV 0x8a21
33 #define PCI_CHIP_SAVAGE2000 0x9102
34 #define PCI_CHIP_SAVAGE_MX_MV 0x8c10
35 #define PCI_CHIP_SAVAGE_MX 0x8c11
36 #define PCI_CHIP_SAVAGE_IX_MV 0x8c12
37 #define PCI_CHIP_SAVAGE_IX 0x8c13
38 #define PCI_CHIP_PROSAVAGE_PM 0x8a25
39 #define PCI_CHIP_PROSAVAGE_KM 0x8a26
40 /* Twister is a code name; hope I get the real name soon. */
41 #define PCI_CHIP_S3TWISTER_P 0x8d01
42 #define PCI_CHIP_S3TWISTER_K 0x8d02
43 #define PCI_CHIP_PROSAVAGE_DDR 0x8d03
44 #define PCI_CHIP_PROSAVAGE_DDRK 0x8d04
45 #define PCI_CHIP_SUPSAV_MX128 0x8c22
46 #define PCI_CHIP_SUPSAV_MX64 0x8c24
47 #define PCI_CHIP_SUPSAV_MX64C 0x8c26
48 #define PCI_CHIP_SUPSAV_IX128SDR 0x8c2a
49 #define PCI_CHIP_SUPSAV_IX128DDR 0x8c2b
50 #define PCI_CHIP_SUPSAV_IX64SDR 0x8c2c
51 #define PCI_CHIP_SUPSAV_IX64DDR 0x8c2d
52 #define PCI_CHIP_SUPSAV_IXCSDR 0x8c2e
53 #define PCI_CHIP_SUPSAV_IXCDDR 0x8c2f
54
55
56
57 #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))
58
59 #define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) || (chip==S3_PROSAVAGE))
60
61 #define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE))
62
63 #define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000))
64
65 /* Chip tags. These are used to group the adapters into
66 * related families.
67 */
68
69 typedef enum {
70 S3_UNKNOWN = 0,
71 S3_SAVAGE3D,
72 S3_SAVAGE_MX,
73 S3_SAVAGE4,
74 S3_PROSAVAGE,
75 S3_SUPERSAVAGE,
76 S3_SAVAGE2000,
77 S3_LAST
78 } savage_chipset;
79
80 #define BIOS_BSIZE 1024
81 #define BIOS_BASE 0xc0000
82
83 #define SAVAGE_NEWMMIO_REGBASE_S3 0x1000000 /* 16MB */
84 #define SAVAGE_NEWMMIO_REGBASE_S4 0x0000000
85 #define SAVAGE_NEWMMIO_REGSIZE 0x0080000 /* 512kb */
86 #define SAVAGE_NEWMMIO_VGABASE 0x8000
87
88 #define BASE_FREQ 14318
89 #define HALF_BASE_FREQ 7159
90
91 #define FIFO_CONTROL_REG 0x8200
92 #define MIU_CONTROL_REG 0x8204
93 #define STREAMS_TIMEOUT_REG 0x8208
94 #define MISC_TIMEOUT_REG 0x820c
95
96 #define MONO_PAT_0 0xa4e8
97 #define MONO_PAT_1 0xa4ec
98
99 #define MAXFIFO 0x7f00
100
101 #define BCI_CMD_NOP 0x40000000
102 #define BCI_CMD_SETREG 0x96000000
103 #define BCI_CMD_RECT 0x48000000
104 #define BCI_CMD_RECT_XP 0x01000000
105 #define BCI_CMD_RECT_YP 0x02000000
106 #define BCI_CMD_SEND_COLOR 0x00008000
107 #define BCI_CMD_DEST_GBD 0x00000000
108 #define BCI_CMD_SRC_GBD 0x00000020
109 #define BCI_CMD_SRC_SOLID 0x00000000
110 #define BCI_CMD_SRC_MONO 0x00000060
111 #define BCI_CMD_CLIP_NEW 0x00006000
112 #define BCI_CMD_CLIP_LR 0x00004000
113
114 #define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF)
115 #define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF)
116 #define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF)
117 #define BCI_W_H(w, h) (((h) << 16) | ((w) & 0xFFF))
118 #define BCI_X_Y(x, y) (((y) << 16) | ((x) & 0xFFF))
119
120 #define BCI_GBD1 0xE0
121 #define BCI_GBD2 0xE1
122
123 #define BCI_BUFFER_OFFSET 0x10000
124 #define BCI_SIZE 0x4000
125
126 #define BCI_SEND(dw) writel(dw, par->bci_base + par->bci_ptr++)
127
128 #define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF)
129 #define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16))
130 #define BCI_CMD_SEND_COLOR 0x00008000
131
132 #define DISP_CRT 1
133 #define DISP_LCD 2
134 #define DISP_DFP 3
135
136 struct xtimings {
137 unsigned int Clock;
138 unsigned int HDisplay;
139 unsigned int HSyncStart;
140 unsigned int HSyncEnd;
141 unsigned int HTotal;
142 unsigned int HAdjusted;
143 unsigned int VDisplay;
144 unsigned int VSyncStart;
145 unsigned int VSyncEnd;
146 unsigned int VTotal;
147 unsigned int sync;
148 int dblscan;
149 int interlaced;
150 };
151
152 struct savage_reg {
153 unsigned char MiscOutReg; /* Misc */
154 unsigned char CRTC[25]; /* Crtc Controller */
155 unsigned char Sequencer[5]; /* Video Sequencer */
156 unsigned char Graphics[9]; /* Video Graphics */
157 unsigned char Attribute[21]; /* Video Atribute */
158
159 unsigned int mode, refresh;
160 unsigned char SR08, SR0E, SR0F;
161 unsigned char SR10, SR11, SR12, SR13, SR15, SR18, SR29, SR30;
162 unsigned char SR54[8];
163 unsigned char Clock;
164 unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
165 unsigned char CR40, CR41, CR42, CR43, CR45;
166 unsigned char CR50, CR51, CR53, CR55, CR58, CR5B, CR5D, CR5E;
167 unsigned char CR60, CR63, CR65, CR66, CR67, CR68, CR69, CR6D, CR6F;
168 unsigned char CR86, CR88;
169 unsigned char CR90, CR91, CRB0;
170 unsigned int STREAMS[22]; /* yuck, streams regs */
171 unsigned int MMPR0, MMPR1, MMPR2, MMPR3;
172 };
173 /* --------------------------------------------------------------------- */
174
175 #define NR_PALETTE 256
176
177
178 struct savagefb_par;
179
180 struct savagefb_i2c_chan {
181 struct savagefb_par *par;
182 struct i2c_adapter adapter;
183 struct i2c_algo_bit_data algo;
184 volatile u8 __iomem *ioaddr;
185 u32 reg;
186 };
187
188 struct savagefb_par {
189 struct pci_dev *pcidev;
190 savage_chipset chip;
191 struct savagefb_i2c_chan chan;
192 struct savage_reg state;
193 struct savage_reg save;
194 struct savage_reg initial;
195 struct vgastate vgastate;
196 struct mutex open_lock;
197 unsigned char *edid;
198 u32 pseudo_palette[16];
199 u32 open_count;
200 int paletteEnabled;
201 int pm_state;
202 int display_type;
203 int dvi;
204 int crtonly;
205 int dacSpeedBpp;
206 int maxClock;
207 int minClock;
208 int numClocks;
209 int clock[4];
210 int MCLK, REFCLK, LCDclk;
211 struct {
212 void __iomem *vbase;
213 u32 pbase;
214 u32 len;
215 #ifdef CONFIG_MTRR
216 int mtrr;
217 #endif
218 } video;
219
220 struct {
221 void __iomem *vbase;
222 u32 pbase;
223 u32 len;
224 } mmio;
225
226 volatile u32 __iomem *bci_base;
227 unsigned int bci_ptr;
228 u32 cob_offset;
229 u32 cob_size;
230 int cob_index;
231
232 void (*SavageWaitIdle) (struct savagefb_par *par);
233 void (*SavageWaitFifo) (struct savagefb_par *par, int space);
234
235 int HorizScaleFactor;
236
237 /* Panels size */
238 int SavagePanelWidth;
239 int SavagePanelHeight;
240
241 struct {
242 u16 red, green, blue, transp;
243 } palette[NR_PALETTE];
244
245 int depth;
246 int vwidth;
247 };
248
249 #define BCI_BD_BW_DISABLE 0x10000000
250 #define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16))
251 #define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF))
252
253
254 /* IO functions */
savage_in8(u32 addr,struct savagefb_par * par)255 static inline u8 savage_in8(u32 addr, struct savagefb_par *par)
256 {
257 return readb(par->mmio.vbase + addr);
258 }
259
savage_in16(u32 addr,struct savagefb_par * par)260 static inline u16 savage_in16(u32 addr, struct savagefb_par *par)
261 {
262 return readw(par->mmio.vbase + addr);
263 }
264
savage_in32(u32 addr,struct savagefb_par * par)265 static inline u32 savage_in32(u32 addr, struct savagefb_par *par)
266 {
267 return readl(par->mmio.vbase + addr);
268 }
269
savage_out8(u32 addr,u8 val,struct savagefb_par * par)270 static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par)
271 {
272 writeb(val, par->mmio.vbase + addr);
273 }
274
savage_out16(u32 addr,u16 val,struct savagefb_par * par)275 static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par)
276 {
277 writew(val, par->mmio.vbase + addr);
278 }
279
savage_out32(u32 addr,u32 val,struct savagefb_par * par)280 static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par)
281 {
282 writel(val, par->mmio.vbase + addr);
283 }
284
vga_in8(int addr,struct savagefb_par * par)285 static inline u8 vga_in8(int addr, struct savagefb_par *par)
286 {
287 return savage_in8(0x8000 + addr, par);
288 }
289
vga_in16(int addr,struct savagefb_par * par)290 static inline u16 vga_in16(int addr, struct savagefb_par *par)
291 {
292 return savage_in16(0x8000 + addr, par);
293 }
294
vga_in32(int addr,struct savagefb_par * par)295 static inline u8 vga_in32(int addr, struct savagefb_par *par)
296 {
297 return savage_in32(0x8000 + addr, par);
298 }
299
vga_out8(int addr,u8 val,struct savagefb_par * par)300 static inline void vga_out8(int addr, u8 val, struct savagefb_par *par)
301 {
302 savage_out8(0x8000 + addr, val, par);
303 }
304
vga_out16(int addr,u16 val,struct savagefb_par * par)305 static inline void vga_out16(int addr, u16 val, struct savagefb_par *par)
306 {
307 savage_out16(0x8000 + addr, val, par);
308 }
309
vga_out32(int addr,u32 val,struct savagefb_par * par)310 static inline void vga_out32(int addr, u32 val, struct savagefb_par *par)
311 {
312 savage_out32(0x8000 + addr, val, par);
313 }
314
VGArCR(u8 index,struct savagefb_par * par)315 static inline u8 VGArCR (u8 index, struct savagefb_par *par)
316 {
317 vga_out8(0x3d4, index, par);
318 return vga_in8(0x3d5, par);
319 }
320
VGArGR(u8 index,struct savagefb_par * par)321 static inline u8 VGArGR (u8 index, struct savagefb_par *par)
322 {
323 vga_out8(0x3ce, index, par);
324 return vga_in8(0x3cf, par);
325 }
326
VGArSEQ(u8 index,struct savagefb_par * par)327 static inline u8 VGArSEQ (u8 index, struct savagefb_par *par)
328 {
329 vga_out8(0x3c4, index, par);
330 return vga_in8(0x3c5, par);
331 }
332
VGAwCR(u8 index,u8 val,struct savagefb_par * par)333 static inline void VGAwCR(u8 index, u8 val, struct savagefb_par *par)
334 {
335 vga_out8(0x3d4, index, par);
336 vga_out8(0x3d5, val, par);
337 }
338
VGAwGR(u8 index,u8 val,struct savagefb_par * par)339 static inline void VGAwGR(u8 index, u8 val, struct savagefb_par *par)
340 {
341 vga_out8(0x3ce, index, par);
342 vga_out8(0x3cf, val, par);
343 }
344
VGAwSEQ(u8 index,u8 val,struct savagefb_par * par)345 static inline void VGAwSEQ(u8 index, u8 val, struct savagefb_par *par)
346 {
347 vga_out8(0x3c4, index, par);
348 vga_out8 (0x3c5, val, par);
349 }
350
VGAenablePalette(struct savagefb_par * par)351 static inline void VGAenablePalette(struct savagefb_par *par)
352 {
353 u8 tmp;
354
355 tmp = vga_in8(0x3da, par);
356 vga_out8(0x3c0, 0x00, par);
357 par->paletteEnabled = 1;
358 }
359
VGAdisablePalette(struct savagefb_par * par)360 static inline void VGAdisablePalette(struct savagefb_par *par)
361 {
362 u8 tmp;
363
364 tmp = vga_in8(0x3da, par);
365 vga_out8(0x3c0, 0x20, par);
366 par->paletteEnabled = 0;
367 }
368
VGAwATTR(u8 index,u8 value,struct savagefb_par * par)369 static inline void VGAwATTR(u8 index, u8 value, struct savagefb_par *par)
370 {
371 u8 tmp;
372
373 if (par->paletteEnabled)
374 index &= ~0x20;
375 else
376 index |= 0x20;
377
378 tmp = vga_in8(0x3da, par);
379 vga_out8(0x3c0, index, par);
380 vga_out8 (0x3c0, value, par);
381 }
382
VGAwMISC(u8 value,struct savagefb_par * par)383 static inline void VGAwMISC(u8 value, struct savagefb_par *par)
384 {
385 vga_out8(0x3c2, value, par);
386 }
387
388 #ifndef CONFIG_FB_SAVAGE_ACCEL
389 #define savagefb_set_clip(x)
390 #endif
391
VerticalRetraceWait(struct savagefb_par * par)392 static inline void VerticalRetraceWait(struct savagefb_par *par)
393 {
394 vga_out8(0x3d4, 0x17, par);
395 if (vga_in8(0x3d5, par) & 0x80) {
396 while ((vga_in8(0x3da, par) & 0x08) == 0x08);
397 while ((vga_in8(0x3da, par) & 0x08) == 0x00);
398 }
399 }
400
401 extern int savagefb_probe_i2c_connector(struct fb_info *info,
402 u8 **out_edid);
403 extern void savagefb_create_i2c_busses(struct fb_info *info);
404 extern void savagefb_delete_i2c_busses(struct fb_info *info);
405 extern int savagefb_sync(struct fb_info *info);
406 extern void savagefb_copyarea(struct fb_info *info,
407 const struct fb_copyarea *region);
408 extern void savagefb_fillrect(struct fb_info *info,
409 const struct fb_fillrect *rect);
410 extern void savagefb_imageblit(struct fb_info *info,
411 const struct fb_image *image);
412
413
414 #endif /* __SAVAGEFB_H__ */
415