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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/video/savage/
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
69typedef 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
136struct 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
152struct 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
178struct savagefb_par;
179
180struct 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
188struct 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 */
255static inline u8 savage_in8(u32 addr, struct savagefb_par *par)
256{
257	return readb(par->mmio.vbase + addr);
258}
259
260static inline u16 savage_in16(u32 addr, struct savagefb_par *par)
261{
262	return readw(par->mmio.vbase + addr);
263}
264
265static inline u32 savage_in32(u32 addr, struct savagefb_par *par)
266{
267	return readl(par->mmio.vbase + addr);
268}
269
270static inline void savage_out8(u32 addr, u8 val, struct savagefb_par *par)
271{
272	writeb(val, par->mmio.vbase + addr);
273}
274
275static inline void savage_out16(u32 addr, u16 val, struct savagefb_par *par)
276{
277	writew(val, par->mmio.vbase + addr);
278}
279
280static inline void savage_out32(u32 addr, u32 val, struct savagefb_par *par)
281{
282	writel(val, par->mmio.vbase + addr);
283}
284
285static inline u8 vga_in8(int addr, struct savagefb_par *par)
286{
287	return savage_in8(0x8000 + addr, par);
288}
289
290static inline u16 vga_in16(int addr, struct savagefb_par *par)
291{
292	return savage_in16(0x8000 + addr, par);
293}
294
295static inline u8 vga_in32(int addr, struct savagefb_par *par)
296{
297	return savage_in32(0x8000 + addr, par);
298}
299
300static inline void vga_out8(int addr, u8 val, struct savagefb_par *par)
301{
302	savage_out8(0x8000 + addr, val, par);
303}
304
305static inline void vga_out16(int addr, u16 val, struct savagefb_par *par)
306{
307	savage_out16(0x8000 + addr, val, par);
308}
309
310static inline void vga_out32(int addr, u32 val, struct savagefb_par *par)
311{
312	savage_out32(0x8000 + addr, val, par);
313}
314
315static inline u8 VGArCR (u8 index, struct savagefb_par *par)
316{
317	vga_out8(0x3d4, index,  par);
318	return vga_in8(0x3d5, par);
319}
320
321static inline u8 VGArGR (u8 index, struct savagefb_par *par)
322{
323	vga_out8(0x3ce, index, par);
324	return vga_in8(0x3cf, par);
325}
326
327static inline u8 VGArSEQ (u8 index, struct savagefb_par *par)
328{
329	vga_out8(0x3c4, index, par);
330	return vga_in8(0x3c5, par);
331}
332
333static 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
339static 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
345static 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
351static 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
360static 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
369static 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
383static 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
392static 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
401extern int savagefb_probe_i2c_connector(struct fb_info *info,
402					u8 **out_edid);
403extern void savagefb_create_i2c_busses(struct fb_info *info);
404extern void savagefb_delete_i2c_busses(struct fb_info *info);
405extern int  savagefb_sync(struct fb_info *info);
406extern void savagefb_copyarea(struct fb_info *info,
407			      const struct fb_copyarea *region);
408extern void savagefb_fillrect(struct fb_info *info,
409			      const struct fb_fillrect *rect);
410extern void savagefb_imageblit(struct fb_info *info,
411			       const struct fb_image *image);
412
413
414#endif /* __SAVAGEFB_H__ */
415