blob: 8d2e36972fc813205645dddedec89b4b27f96dad [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _INTELFBHW_H
2#define _INTELFBHW_H
3
4/* $DHD: intelfb/intelfbhw.h,v 1.5 2003/06/27 15:06:25 dawes Exp $ */
5
6
7/*** HW-specific data ***/
8
9/* Information about the 852GM/855GM variants */
10#define INTEL_85X_CAPID 0x44
11#define INTEL_85X_VARIANT_MASK 0x7
12#define INTEL_85X_VARIANT_SHIFT 5
13#define INTEL_VAR_855GME 0x0
14#define INTEL_VAR_855GM 0x4
15#define INTEL_VAR_852GME 0x2
16#define INTEL_VAR_852GM 0x5
17
18/* Information about DVO/LVDS Ports */
19#define DVOA_PORT 0x1
20#define DVOB_PORT 0x2
21#define DVOC_PORT 0x4
22#define LVDS_PORT 0x8
23
24/*
25 * The Bridge device's PCI config space has information about the
26 * fb aperture size and the amount of pre-reserved memory.
27 */
28#define INTEL_GMCH_CTRL 0x52
29#define INTEL_GMCH_ENABLED 0x4
30#define INTEL_GMCH_MEM_MASK 0x1
31#define INTEL_GMCH_MEM_64M 0x1
32#define INTEL_GMCH_MEM_128M 0
33
34#define INTEL_830_GMCH_GMS_MASK (0x7 << 4)
35#define INTEL_830_GMCH_GMS_DISABLED (0x0 << 4)
36#define INTEL_830_GMCH_GMS_LOCAL (0x1 << 4)
37#define INTEL_830_GMCH_GMS_STOLEN_512 (0x2 << 4)
38#define INTEL_830_GMCH_GMS_STOLEN_1024 (0x3 << 4)
39#define INTEL_830_GMCH_GMS_STOLEN_8192 (0x4 << 4)
40
41#define INTEL_855_GMCH_GMS_MASK (0x7 << 4)
42#define INTEL_855_GMCH_GMS_DISABLED (0x0 << 4)
43#define INTEL_855_GMCH_GMS_STOLEN_1M (0x1 << 4)
44#define INTEL_855_GMCH_GMS_STOLEN_4M (0x2 << 4)
45#define INTEL_855_GMCH_GMS_STOLEN_8M (0x3 << 4)
46#define INTEL_855_GMCH_GMS_STOLEN_16M (0x4 << 4)
47#define INTEL_855_GMCH_GMS_STOLEN_32M (0x5 << 4)
48
49#define INTEL_915G_GMCH_GMS_STOLEN_48M (0x6 << 4)
50#define INTEL_915G_GMCH_GMS_STOLEN_64M (0x7 << 4)
51
52/* HW registers */
53
54/* Fence registers */
55#define FENCE 0x2000
56#define FENCE_NUM 8
57
58/* Primary ring buffer */
59#define PRI_RING_TAIL 0x2030
60#define RING_TAIL_MASK 0x001ffff8
61#define RING_INUSE 0x1
62
63#define PRI_RING_HEAD 0x2034
64#define RING_HEAD_WRAP_MASK 0x7ff
65#define RING_HEAD_WRAP_SHIFT 21
66#define RING_HEAD_MASK 0x001ffffc
67
68#define PRI_RING_START 0x2038
69#define RING_START_MASK 0xfffff000
70
71#define PRI_RING_LENGTH 0x203c
72#define RING_LENGTH_MASK 0x001ff000
73#define RING_REPORT_MASK (0x3 << 1)
74#define RING_NO_REPORT (0x0 << 1)
75#define RING_REPORT_64K (0x1 << 1)
76#define RING_REPORT_4K (0x2 << 1)
77#define RING_REPORT_128K (0x3 << 1)
78#define RING_ENABLE 0x1
79
80/*
81 * Tail can't wrap to any closer than RING_MIN_FREE bytes of the head,
82 * and the last RING_MIN_FREE bytes need to be padded with MI_NOOP
83 */
84#define RING_MIN_FREE 64
85
86#define IPEHR 0x2088
87
88#define INSTDONE 0x2090
89#define PRI_RING_EMPTY 1
90
Eric Hustvedt9a5f0192006-06-20 14:36:41 -040091#define HWSTAM 0x2098
92#define IER 0x20A0
93#define IIR 0x20A4
94#define IMR 0x20A8
95#define VSYNC_PIPE_A_INTERRUPT (1 << 7)
96#define PIPE_A_EVENT_INTERRUPT (1 << 4)
97#define VSYNC_PIPE_B_INTERRUPT (1 << 5)
98#define PIPE_B_EVENT_INTERRUPT (1 << 4)
99#define HOST_PORT_EVENT_INTERRUPT (1 << 3)
100#define CAPTURE_EVENT_INTERRUPT (1 << 2)
101#define USER_DEFINED_INTERRUPT (1 << 1)
102#define BREAKPOINT_INTERRUPT 1
103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104#define INSTPM 0x20c0
105#define SYNC_FLUSH_ENABLE (1 << 5)
106
107#define INSTPS 0x20c4
108
109#define MEM_MODE 0x20cc
110
111#define MASK_SHIFT 16
112
113#define FW_BLC_0 0x20d8
114#define FW_DISPA_WM_SHIFT 0
115#define FW_DISPA_WM_MASK 0x3f
116#define FW_DISPA_BL_SHIFT 8
117#define FW_DISPA_BL_MASK 0xf
118#define FW_DISPB_WM_SHIFT 16
119#define FW_DISPB_WM_MASK 0x1f
120#define FW_DISPB_BL_SHIFT 24
121#define FW_DISPB_BL_MASK 0x7
122
123#define FW_BLC_1 0x20dc
124#define FW_DISPC_WM_SHIFT 0
125#define FW_DISPC_WM_MASK 0x1f
126#define FW_DISPC_BL_SHIFT 8
127#define FW_DISPC_BL_MASK 0x7
128
129
130/* PLL registers */
131#define VGA0_DIVISOR 0x06000
132#define VGA1_DIVISOR 0x06004
133#define VGAPD 0x06010
134#define VGAPD_0_P1_SHIFT 0
135#define VGAPD_0_P1_FORCE_DIV2 (1 << 5)
136#define VGAPD_0_P2_SHIFT 7
137#define VGAPD_1_P1_SHIFT 8
138#define VGAPD_1_P1_FORCE_DIV2 (1 << 13)
139#define VGAPD_1_P2_SHIFT 15
140
141#define DPLL_A 0x06014
142#define DPLL_B 0x06018
143#define DPLL_VCO_ENABLE (1 << 31)
144#define DPLL_2X_CLOCK_ENABLE (1 << 30)
145#define DPLL_SYNCLOCK_ENABLE (1 << 29)
146#define DPLL_VGA_MODE_DISABLE (1 << 28)
147#define DPLL_P2_MASK 1
148#define DPLL_P2_SHIFT 23
Dave Airlie3aff13c2006-03-31 17:08:52 +1000149#define DPLL_I9XX_P2_SHIFT 24
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150#define DPLL_P1_FORCE_DIV2 (1 << 21)
151#define DPLL_P1_MASK 0x1f
152#define DPLL_P1_SHIFT 16
153#define DPLL_REFERENCE_SELECT_MASK (0x3 << 13)
154#define DPLL_REFERENCE_DEFAULT (0x0 << 13)
155#define DPLL_REFERENCE_TVCLK (0x2 << 13)
156#define DPLL_RATE_SELECT_MASK (1 << 8)
157#define DPLL_RATE_SELECT_FP0 (0 << 8)
158#define DPLL_RATE_SELECT_FP1 (1 << 8)
159
160#define FPA0 0x06040
161#define FPA1 0x06044
162#define FPB0 0x06048
163#define FPB1 0x0604c
164#define FP_DIVISOR_MASK 0x3f
165#define FP_N_DIVISOR_SHIFT 16
166#define FP_M1_DIVISOR_SHIFT 8
167#define FP_M2_DIVISOR_SHIFT 0
168
169/* PLL parameters (these are for 852GM/855GM/865G, check earlier chips). */
170/* Clock values are in units of kHz */
171#define PLL_REFCLK 48000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172#define MIN_CLOCK 25000
173#define MAX_CLOCK 350000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175/* Two pipes */
176#define PIPE_A 0
177#define PIPE_B 1
178#define PIPE_MASK 1
179
180/* palette registers */
181#define PALETTE_A 0x0a000
182#define PALETTE_B 0x0a800
183#ifndef PALETTE_8_ENTRIES
184#define PALETTE_8_ENTRIES 256
185#endif
186#define PALETTE_8_SIZE (PALETTE_8_ENTRIES * 4)
187#define PALETTE_10_ENTRIES 128
188#define PALETTE_10_SIZE (PALETTE_10_ENTRIES * 8)
189#define PALETTE_8_MASK 0xff
190#define PALETTE_8_RED_SHIFT 16
191#define PALETTE_8_GREEN_SHIFT 8
192#define PALETTE_8_BLUE_SHIFT 0
193
194/* CRTC registers */
195#define HTOTAL_A 0x60000
196#define HBLANK_A 0x60004
197#define HSYNC_A 0x60008
198#define VTOTAL_A 0x6000c
199#define VBLANK_A 0x60010
200#define VSYNC_A 0x60014
201#define SRC_SIZE_A 0x6001c
202#define BCLRPAT_A 0x60020
203
204#define HTOTAL_B 0x61000
205#define HBLANK_B 0x61004
206#define HSYNC_B 0x61008
207#define VTOTAL_B 0x6100c
208#define VBLANK_B 0x61010
209#define VSYNC_B 0x61014
210#define SRC_SIZE_B 0x6101c
211#define BCLRPAT_B 0x61020
212
213#define HTOTAL_MASK 0xfff
214#define HTOTAL_SHIFT 16
215#define HACTIVE_MASK 0x7ff
216#define HACTIVE_SHIFT 0
217#define HBLANKEND_MASK 0xfff
218#define HBLANKEND_SHIFT 16
219#define HBLANKSTART_MASK 0xfff
220#define HBLANKSTART_SHIFT 0
221#define HSYNCEND_MASK 0xfff
222#define HSYNCEND_SHIFT 16
223#define HSYNCSTART_MASK 0xfff
224#define HSYNCSTART_SHIFT 0
225#define VTOTAL_MASK 0xfff
226#define VTOTAL_SHIFT 16
227#define VACTIVE_MASK 0x7ff
228#define VACTIVE_SHIFT 0
229#define VBLANKEND_MASK 0xfff
230#define VBLANKEND_SHIFT 16
231#define VBLANKSTART_MASK 0xfff
232#define VBLANKSTART_SHIFT 0
233#define VSYNCEND_MASK 0xfff
234#define VSYNCEND_SHIFT 16
235#define VSYNCSTART_MASK 0xfff
236#define VSYNCSTART_SHIFT 0
237#define SRC_SIZE_HORIZ_MASK 0x7ff
238#define SRC_SIZE_HORIZ_SHIFT 16
239#define SRC_SIZE_VERT_MASK 0x7ff
240#define SRC_SIZE_VERT_SHIFT 0
241
242#define ADPA 0x61100
243#define ADPA_DAC_ENABLE (1 << 31)
244#define ADPA_DAC_DISABLE 0
245#define ADPA_PIPE_SELECT_SHIFT 30
246#define ADPA_USE_VGA_HVPOLARITY (1 << 15)
247#define ADPA_SETS_HVPOLARITY 0
248#define ADPA_DPMS_CONTROL_MASK (0x3 << 10)
249#define ADPA_DPMS_D0 (0x0 << 10)
250#define ADPA_DPMS_D2 (0x1 << 10)
251#define ADPA_DPMS_D1 (0x2 << 10)
252#define ADPA_DPMS_D3 (0x3 << 10)
253#define ADPA_VSYNC_ACTIVE_SHIFT 4
254#define ADPA_HSYNC_ACTIVE_SHIFT 3
255#define ADPA_SYNC_ACTIVE_MASK 1
256#define ADPA_SYNC_ACTIVE_HIGH 1
257#define ADPA_SYNC_ACTIVE_LOW 0
258
259#define DVOA 0x61120
260#define DVOB 0x61140
261#define DVOC 0x61160
262#define LVDS 0x61180
263#define PORT_ENABLE (1 << 31)
264#define PORT_PIPE_SELECT_SHIFT 30
265#define PORT_TV_FLAGS_MASK 0xFF
266#define PORT_TV_FLAGS 0xC4 // ripped from my BIOS
267 // to understand and correct
268
269#define DVOA_SRCDIM 0x61124
270#define DVOB_SRCDIM 0x61144
271#define DVOC_SRCDIM 0x61164
272
273#define PIPEACONF 0x70008
274#define PIPEBCONF 0x71008
275#define PIPECONF_ENABLE (1 << 31)
276#define PIPECONF_DISABLE 0
277#define PIPECONF_DOUBLE_WIDE (1 << 30)
278#define PIPECONF_SINGLE_WIDE 0
279#define PIPECONF_LOCKED (1 << 25)
280#define PIPECONF_UNLOCKED 0
281#define PIPECONF_GAMMA (1 << 24)
282#define PIPECONF_PALETTE 0
283
284#define DISPARB 0x70030
285#define DISPARB_AEND_MASK 0x1ff
286#define DISPARB_AEND_SHIFT 0
287#define DISPARB_BEND_MASK 0x3ff
288#define DISPARB_BEND_SHIFT 9
289
290/* Desktop HW cursor */
291#define CURSOR_CONTROL 0x70080
292#define CURSOR_ENABLE (1 << 31)
293#define CURSOR_GAMMA_ENABLE (1 << 30)
294#define CURSOR_STRIDE_MASK (0x3 << 28)
295#define CURSOR_STRIDE_256 (0x0 << 28)
296#define CURSOR_STRIDE_512 (0x1 << 28)
297#define CURSOR_STRIDE_1K (0x2 << 28)
298#define CURSOR_STRIDE_2K (0x3 << 28)
299#define CURSOR_FORMAT_MASK (0x7 << 24)
300#define CURSOR_FORMAT_2C (0x0 << 24)
301#define CURSOR_FORMAT_3C (0x1 << 24)
302#define CURSOR_FORMAT_4C (0x2 << 24)
303#define CURSOR_FORMAT_ARGB (0x4 << 24)
304#define CURSOR_FORMAT_XRGB (0x5 << 24)
305
306/* Mobile HW cursor (and i810) */
307#define CURSOR_A_CONTROL CURSOR_CONTROL
308#define CURSOR_B_CONTROL 0x700c0
309#define CURSOR_MODE_MASK 0x27
310#define CURSOR_MODE_DISABLE 0
311#define CURSOR_MODE_64_3C 0x04
312#define CURSOR_MODE_64_4C_AX 0x05
313#define CURSOR_MODE_64_4C 0x06
314#define CURSOR_MODE_64_32B_AX 0x07
315#define CURSOR_MODE_64_ARGB_AX 0x27
316#define CURSOR_PIPE_SELECT_SHIFT 28
317#define CURSOR_MOBILE_GAMMA_ENABLE (1 << 26)
318#define CURSOR_MEM_TYPE_LOCAL (1 << 25)
319
320/* All platforms (desktop has no pipe B) */
321#define CURSOR_A_BASEADDR 0x70084
322#define CURSOR_B_BASEADDR 0x700c4
323#define CURSOR_BASE_MASK 0xffffff00
324
325#define CURSOR_A_POSITION 0x70088
326#define CURSOR_B_POSITION 0x700c8
327#define CURSOR_POS_SIGN (1 << 15)
328#define CURSOR_POS_MASK 0x7ff
329#define CURSOR_X_SHIFT 0
330#define CURSOR_Y_SHIFT 16
331
332#define CURSOR_A_PALETTE0 0x70090
333#define CURSOR_A_PALETTE1 0x70094
334#define CURSOR_A_PALETTE2 0x70098
335#define CURSOR_A_PALETTE3 0x7009c
336#define CURSOR_B_PALETTE0 0x700d0
337#define CURSOR_B_PALETTE1 0x700d4
338#define CURSOR_B_PALETTE2 0x700d8
339#define CURSOR_B_PALETTE3 0x700dc
340#define CURSOR_COLOR_MASK 0xff
341#define CURSOR_RED_SHIFT 16
342#define CURSOR_GREEN_SHIFT 8
343#define CURSOR_BLUE_SHIFT 0
344#define CURSOR_PALETTE_MASK 0xffffff
345
346/* Desktop only */
347#define CURSOR_SIZE 0x700a0
348#define CURSOR_SIZE_MASK 0x3ff
349#define CURSOR_SIZE_H_SHIFT 0
350#define CURSOR_SIZE_V_SHIFT 12
351
352#define DSPACNTR 0x70180
353#define DSPBCNTR 0x71180
354#define DISPPLANE_PLANE_ENABLE (1 << 31)
355#define DISPPLANE_PLANE_DISABLE 0
356#define DISPPLANE_GAMMA_ENABLE (1<<30)
357#define DISPPLANE_GAMMA_DISABLE 0
358#define DISPPLANE_PIXFORMAT_MASK (0xf<<26)
359#define DISPPLANE_8BPP (0x2<<26)
360#define DISPPLANE_15_16BPP (0x4<<26)
361#define DISPPLANE_16BPP (0x5<<26)
362#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26)
363#define DISPPLANE_32BPP (0x7<<26)
364#define DISPPLANE_STEREO_ENABLE (1<<25)
365#define DISPPLANE_STEREO_DISABLE 0
366#define DISPPLANE_SEL_PIPE_SHIFT 24
367#define DISPPLANE_SRC_KEY_ENABLE (1<<22)
368#define DISPPLANE_SRC_KEY_DISABLE 0
369#define DISPPLANE_LINE_DOUBLE (1<<20)
370#define DISPPLANE_NO_LINE_DOUBLE 0
371#define DISPPLANE_STEREO_POLARITY_FIRST 0
372#define DISPPLANE_STEREO_POLARITY_SECOND (1<<18)
373/* plane B only */
374#define DISPPLANE_ALPHA_TRANS_ENABLE (1<<15)
375#define DISPPLANE_ALPHA_TRANS_DISABLE 0
376#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0
377#define DISPPLANE_SPRITE_ABOVE_OVERLAY 1
378
379#define DSPABASE 0x70184
380#define DSPASTRIDE 0x70188
381
382#define DSPBBASE 0x71184
383#define DSPBSTRIDE 0x71188
384
385#define VGACNTRL 0x71400
386#define VGA_DISABLE (1 << 31)
387#define VGA_ENABLE 0
388#define VGA_PIPE_SELECT_SHIFT 29
389#define VGA_PALETTE_READ_SELECT 23
390#define VGA_PALETTE_A_WRITE_DISABLE (1 << 22)
391#define VGA_PALETTE_B_WRITE_DISABLE (1 << 21)
392#define VGA_LEGACY_PALETTE (1 << 20)
393#define VGA_6BIT_DAC 0
394#define VGA_8BIT_DAC (1 << 20)
395
396#define ADD_ID 0x71408
397#define ADD_ID_MASK 0xff
398
399/* BIOS scratch area registers (830M and 845G). */
400#define SWF0 0x71410
401#define SWF1 0x71414
402#define SWF2 0x71418
403#define SWF3 0x7141c
404#define SWF4 0x71420
405#define SWF5 0x71424
406#define SWF6 0x71428
407
408/* BIOS scratch area registers (852GM, 855GM, 865G). */
409#define SWF00 0x70410
410#define SWF01 0x70414
411#define SWF02 0x70418
412#define SWF03 0x7041c
413#define SWF04 0x70420
414#define SWF05 0x70424
415#define SWF06 0x70428
416
417#define SWF10 SWF0
418#define SWF11 SWF1
419#define SWF12 SWF2
420#define SWF13 SWF3
421#define SWF14 SWF4
422#define SWF15 SWF5
423#define SWF16 SWF6
424
425#define SWF30 0x72414
426#define SWF31 0x72418
427#define SWF32 0x7241c
428
429/* Memory Commands */
430#define MI_NOOP (0x00 << 23)
431#define MI_NOOP_WRITE_ID (1 << 22)
432#define MI_NOOP_ID_MASK ((1 << 22) - 1)
433
434#define MI_FLUSH (0x04 << 23)
435#define MI_WRITE_DIRTY_STATE (1 << 4)
436#define MI_END_SCENE (1 << 3)
437#define MI_INHIBIT_RENDER_CACHE_FLUSH (1 << 2)
438#define MI_INVALIDATE_MAP_CACHE (1 << 0)
439
440#define MI_STORE_DWORD_IMM ((0x20 << 23) | 1)
441
442/* 2D Commands */
443#define COLOR_BLT_CMD ((2 << 29) | (0x40 << 22) | 3)
444#define XY_COLOR_BLT_CMD ((2 << 29) | (0x50 << 22) | 4)
445#define XY_SETUP_CLIP_BLT_CMD ((2 << 29) | (0x03 << 22) | 1)
446#define XY_SRC_COPY_BLT_CMD ((2 << 29) | (0x53 << 22) | 6)
447#define SRC_COPY_BLT_CMD ((2 << 29) | (0x43 << 22) | 4)
448#define XY_MONO_PAT_BLT_CMD ((2 << 29) | (0x52 << 22) | 7)
449#define XY_MONO_SRC_BLT_CMD ((2 << 29) | (0x54 << 22) | 6)
450#define XY_MONO_SRC_IMM_BLT_CMD ((2 << 29) | (0x71 << 22) | 5)
451#define TXT_IMM_BLT_CMD ((2 << 29) | (0x30 << 22) | 2)
452#define SETUP_BLT_CMD ((2 << 29) | (0x00 << 22) | 6)
453
454#define DW_LENGTH_MASK 0xff
455
456#define WRITE_ALPHA (1 << 21)
457#define WRITE_RGB (1 << 20)
458#define VERT_SEED (3 << 8)
459#define HORIZ_SEED (3 << 12)
460
461#define COLOR_DEPTH_8 (0 << 24)
462#define COLOR_DEPTH_16 (1 << 24)
463#define COLOR_DEPTH_32 (3 << 24)
464
465#define SRC_ROP_GXCOPY 0xcc
466#define SRC_ROP_GXXOR 0x66
467
468#define PAT_ROP_GXCOPY 0xf0
469#define PAT_ROP_GXXOR 0x5a
470
471#define PITCH_SHIFT 0
472#define ROP_SHIFT 16
473#define WIDTH_SHIFT 0
474#define HEIGHT_SHIFT 16
475
476/* in bytes */
477#define MAX_MONO_IMM_SIZE 128
478
479
480/*** Macros ***/
481
482/* I/O macros */
483#define INREG8(addr) readb((u8 __iomem *)(dinfo->mmio_base + (addr)))
Eric Hustvedt3ce6fb42006-06-20 14:36:41 -0400484#define INREG16(addr) readw((u16 __iomem *)(dinfo->mmio_base + (addr)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485#define INREG(addr) readl((u32 __iomem *)(dinfo->mmio_base + (addr)))
486#define OUTREG8(addr, val) writeb((val),(u8 __iomem *)(dinfo->mmio_base + \
487 (addr)))
Eric Hustvedt3ce6fb42006-06-20 14:36:41 -0400488#define OUTREG16(addr, val) writew((val),(u16 __iomem *)(dinfo->mmio_base + \
489 (addr)))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490#define OUTREG(addr, val) writel((val),(u32 __iomem *)(dinfo->mmio_base + \
491 (addr)))
492
493/* Ring buffer macros */
494#define OUT_RING(n) do { \
495 writel((n), (u32 __iomem *)(dinfo->ring.virtual + dinfo->ring_tail));\
496 dinfo->ring_tail += 4; \
497 dinfo->ring_tail &= dinfo->ring_tail_mask; \
498} while (0)
499
500#define START_RING(n) do { \
501 if (dinfo->ring_space < (n) * 4) \
502 wait_ring(dinfo,(n) * 4); \
503 dinfo->ring_space -= (n) * 4; \
504} while (0)
505
506#define ADVANCE_RING() do { \
507 OUTREG(PRI_RING_TAIL, dinfo->ring_tail); \
508} while (0)
509
510#define DO_RING_IDLE() do { \
511 u32 head, tail; \
512 do { \
513 head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; \
514 tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; \
515 udelay(10); \
516 } while (head != tail); \
517} while (0)
518
519
520/* function protoypes */
Dave Airlied0249602006-03-20 20:26:45 +1100521extern int intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700522extern int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size,
523 int *stolen_size);
524extern int intelfbhw_check_non_crt(struct intelfb_info *dinfo);
525extern const char *intelfbhw_dvo_to_string(int dvo);
526extern int intelfbhw_validate_mode(struct intelfb_info *dinfo,
527 struct fb_var_screeninfo *var);
528extern int intelfbhw_pan_display(struct fb_var_screeninfo *var,
529 struct fb_info *info);
530extern void intelfbhw_do_blank(int blank, struct fb_info *info);
531extern void intelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno,
532 unsigned red, unsigned green, unsigned blue,
533 unsigned transp);
534extern int intelfbhw_read_hw_state(struct intelfb_info *dinfo,
535 struct intelfb_hwstate *hw, int flag);
536extern void intelfbhw_print_hw_state(struct intelfb_info *dinfo,
537 struct intelfb_hwstate *hw);
538extern int intelfbhw_mode_to_hw(struct intelfb_info *dinfo,
539 struct intelfb_hwstate *hw,
540 struct fb_var_screeninfo *var);
541extern int intelfbhw_program_mode(struct intelfb_info *dinfo,
542 const struct intelfb_hwstate *hw, int blank);
543extern void intelfbhw_do_sync(struct intelfb_info *dinfo);
544extern void intelfbhw_2d_stop(struct intelfb_info *dinfo);
545extern void intelfbhw_2d_start(struct intelfb_info *dinfo);
546extern void intelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y,
547 u32 w, u32 h, u32 color, u32 pitch, u32 bpp,
548 u32 rop);
549extern void intelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury,
550 u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch,
551 u32 bpp);
552extern int intelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg,
553 u32 w, u32 h, const u8* cdat, u32 x, u32 y,
554 u32 pitch, u32 bpp);
555extern void intelfbhw_cursor_init(struct intelfb_info *dinfo);
556extern void intelfbhw_cursor_hide(struct intelfb_info *dinfo);
557extern void intelfbhw_cursor_show(struct intelfb_info *dinfo);
558extern void intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y);
559extern void intelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg,
560 u32 fg);
561extern void intelfbhw_cursor_load(struct intelfb_info *dinfo, int width,
562 int height, u8 *data);
563extern void intelfbhw_cursor_reset(struct intelfb_info *dinfo);
564
565#endif /* _INTELFBHW_H */