Root/include/video/gbe.h

1/*
2 * include/video/gbe.h -- SGI GBE (Graphics Back End)
3 *
4 * Copyright (C) 1999 Silicon Graphics, Inc. (Jeffrey Newquist)
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License version 2 as published by the Free Software Foundation.
8 */
9
10#ifndef __GBE_H__
11#define __GBE_H__
12
13struct sgi_gbe {
14    volatile uint32_t ctrlstat; /* general control */
15    volatile uint32_t dotclock; /* dot clock PLL control */
16    volatile uint32_t i2c; /* crt I2C control */
17    volatile uint32_t sysclk; /* system clock PLL control */
18    volatile uint32_t i2cfp; /* flat panel I2C control */
19    volatile uint32_t id; /* device id/chip revision */
20    volatile uint32_t config; /* power on configuration [1] */
21    volatile uint32_t bist; /* internal bist status [1] */
22    uint32_t _pad0[0x010000/4 - 8];
23    volatile uint32_t vt_xy; /* current dot coords */
24    volatile uint32_t vt_xymax; /* maximum dot coords */
25    volatile uint32_t vt_vsync; /* vsync on/off */
26    volatile uint32_t vt_hsync; /* hsync on/off */
27    volatile uint32_t vt_vblank; /* vblank on/off */
28    volatile uint32_t vt_hblank; /* hblank on/off */
29    volatile uint32_t vt_flags; /* polarity of vt signals */
30    volatile uint32_t vt_f2rf_lock; /* f2rf & framelck y coord */
31    volatile uint32_t vt_intr01; /* intr 0,1 y coords */
32    volatile uint32_t vt_intr23; /* intr 2,3 y coords */
33    volatile uint32_t fp_hdrv; /* flat panel hdrv on/off */
34    volatile uint32_t fp_vdrv; /* flat panel vdrv on/off */
35    volatile uint32_t fp_de; /* flat panel de on/off */
36    volatile uint32_t vt_hpixen; /* intrnl horiz pixel on/off */
37    volatile uint32_t vt_vpixen; /* intrnl vert pixel on/off */
38    volatile uint32_t vt_hcmap; /* cmap write (horiz) */
39    volatile uint32_t vt_vcmap; /* cmap write (vert) */
40    volatile uint32_t did_start_xy; /* eol/f did/xy reset val */
41    volatile uint32_t crs_start_xy; /* eol/f crs/xy reset val */
42    volatile uint32_t vc_start_xy; /* eol/f vc/xy reset val */
43    uint32_t _pad1[0xffb0/4];
44    volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */
45    volatile uint32_t ovr_inhwctrl; /* overlay plane ctrl 1 */
46    volatile uint32_t ovr_control; /* overlay plane ctrl 1 */
47    uint32_t _pad2[0xfff4/4];
48    volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */
49    volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */
50    volatile uint32_t frm_inhwctrl; /* normal plane ctrl 2 */
51    volatile uint32_t frm_control; /* normal plane ctrl 3 */
52    uint32_t _pad3[0xfff0/4];
53    volatile uint32_t did_inhwctrl; /* DID control */
54    volatile uint32_t did_control; /* DID shadow */
55    uint32_t _pad4[0x7ff8/4];
56    volatile uint32_t mode_regs[32];/* WID table */
57    uint32_t _pad5[0x7f80/4];
58    volatile uint32_t cmap[6144]; /* color map */
59    uint32_t _pad6[0x2000/4];
60    volatile uint32_t cm_fifo; /* color map fifo status */
61    uint32_t _pad7[0x7ffc/4];
62    volatile uint32_t gmap[256]; /* gamma map */
63    uint32_t _pad8[0x7c00/4];
64    volatile uint32_t gmap10[1024]; /* gamma map */
65    uint32_t _pad9[0x7000/4];
66    volatile uint32_t crs_pos; /* cusror control 0 */
67    volatile uint32_t crs_ctl; /* cusror control 1 */
68    volatile uint32_t crs_cmap[3]; /* crs cmap */
69    uint32_t _pad10[0x7fec/4];
70    volatile uint32_t crs_glyph[64];/* crs glyph */
71    uint32_t _pad11[0x7f00/4];
72    volatile uint32_t vc_0; /* video capture crtl 0 */
73    volatile uint32_t vc_1; /* video capture crtl 1 */
74    volatile uint32_t vc_2; /* video capture crtl 2 */
75    volatile uint32_t vc_3; /* video capture crtl 3 */
76    volatile uint32_t vc_4; /* video capture crtl 4 */
77    volatile uint32_t vc_5; /* video capture crtl 5 */
78    volatile uint32_t vc_6; /* video capture crtl 6 */
79    volatile uint32_t vc_7; /* video capture crtl 7 */
80    volatile uint32_t vc_8; /* video capture crtl 8 */
81};
82
83#define MASK(msb, lsb) \
84    ( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) )
85#define GET(v, msb, lsb) \
86    ( ((u32)(v) & MASK(msb,lsb)) >> (lsb) )
87#define SET(v, f, msb, lsb) \
88    ( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) )
89
90#define GET_GBE_FIELD(reg, field, v) \
91    GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
92#define SET_GBE_FIELD(reg, field, v, f) \
93    SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
94
95/*
96 * Bit mask information
97 */
98#define GBE_CTRLSTAT_CHIPID_MSB 3
99#define GBE_CTRLSTAT_CHIPID_LSB 0
100#define GBE_CTRLSTAT_SENSE_N_MSB 4
101#define GBE_CTRLSTAT_SENSE_N_LSB 4
102#define GBE_CTRLSTAT_PCLKSEL_MSB 29
103#define GBE_CTRLSTAT_PCLKSEL_LSB 28
104
105#define GBE_DOTCLK_M_MSB 7
106#define GBE_DOTCLK_M_LSB 0
107#define GBE_DOTCLK_N_MSB 13
108#define GBE_DOTCLK_N_LSB 8
109#define GBE_DOTCLK_P_MSB 15
110#define GBE_DOTCLK_P_LSB 14
111#define GBE_DOTCLK_RUN_MSB 20
112#define GBE_DOTCLK_RUN_LSB 20
113
114#define GBE_VT_XY_Y_MSB 23
115#define GBE_VT_XY_Y_LSB 12
116#define GBE_VT_XY_X_MSB 11
117#define GBE_VT_XY_X_LSB 0
118#define GBE_VT_XY_FREEZE_MSB 31
119#define GBE_VT_XY_FREEZE_LSB 31
120
121#define GBE_FP_VDRV_ON_MSB 23
122#define GBE_FP_VDRV_ON_LSB 12
123#define GBE_FP_VDRV_OFF_MSB 11
124#define GBE_FP_VDRV_OFF_LSB 0
125
126#define GBE_FP_HDRV_ON_MSB 23
127#define GBE_FP_HDRV_ON_LSB 12
128#define GBE_FP_HDRV_OFF_MSB 11
129#define GBE_FP_HDRV_OFF_LSB 0
130
131#define GBE_FP_DE_ON_MSB 23
132#define GBE_FP_DE_ON_LSB 12
133#define GBE_FP_DE_OFF_MSB 11
134#define GBE_FP_DE_OFF_LSB 0
135
136#define GBE_VT_VSYNC_VSYNC_ON_MSB 23
137#define GBE_VT_VSYNC_VSYNC_ON_LSB 12
138#define GBE_VT_VSYNC_VSYNC_OFF_MSB 11
139#define GBE_VT_VSYNC_VSYNC_OFF_LSB 0
140
141#define GBE_VT_HSYNC_HSYNC_ON_MSB 23
142#define GBE_VT_HSYNC_HSYNC_ON_LSB 12
143#define GBE_VT_HSYNC_HSYNC_OFF_MSB 11
144#define GBE_VT_HSYNC_HSYNC_OFF_LSB 0
145
146#define GBE_VT_VBLANK_VBLANK_ON_MSB 23
147#define GBE_VT_VBLANK_VBLANK_ON_LSB 12
148#define GBE_VT_VBLANK_VBLANK_OFF_MSB 11
149#define GBE_VT_VBLANK_VBLANK_OFF_LSB 0
150
151#define GBE_VT_HBLANK_HBLANK_ON_MSB 23
152#define GBE_VT_HBLANK_HBLANK_ON_LSB 12
153#define GBE_VT_HBLANK_HBLANK_OFF_MSB 11
154#define GBE_VT_HBLANK_HBLANK_OFF_LSB 0
155
156#define GBE_VT_FLAGS_F2RF_HIGH_MSB 6
157#define GBE_VT_FLAGS_F2RF_HIGH_LSB 6
158#define GBE_VT_FLAGS_SYNC_LOW_MSB 5
159#define GBE_VT_FLAGS_SYNC_LOW_LSB 5
160#define GBE_VT_FLAGS_SYNC_HIGH_MSB 4
161#define GBE_VT_FLAGS_SYNC_HIGH_LSB 4
162#define GBE_VT_FLAGS_HDRV_LOW_MSB 3
163#define GBE_VT_FLAGS_HDRV_LOW_LSB 3
164#define GBE_VT_FLAGS_HDRV_INVERT_MSB 2
165#define GBE_VT_FLAGS_HDRV_INVERT_LSB 2
166#define GBE_VT_FLAGS_VDRV_LOW_MSB 1
167#define GBE_VT_FLAGS_VDRV_LOW_LSB 1
168#define GBE_VT_FLAGS_VDRV_INVERT_MSB 0
169#define GBE_VT_FLAGS_VDRV_INVERT_LSB 0
170
171#define GBE_VT_VCMAP_VCMAP_ON_MSB 23
172#define GBE_VT_VCMAP_VCMAP_ON_LSB 12
173#define GBE_VT_VCMAP_VCMAP_OFF_MSB 11
174#define GBE_VT_VCMAP_VCMAP_OFF_LSB 0
175
176#define GBE_VT_HCMAP_HCMAP_ON_MSB 23
177#define GBE_VT_HCMAP_HCMAP_ON_LSB 12
178#define GBE_VT_HCMAP_HCMAP_OFF_MSB 11
179#define GBE_VT_HCMAP_HCMAP_OFF_LSB 0
180
181#define GBE_VT_XYMAX_MAXX_MSB 11
182#define GBE_VT_XYMAX_MAXX_LSB 0
183#define GBE_VT_XYMAX_MAXY_MSB 23
184#define GBE_VT_XYMAX_MAXY_LSB 12
185
186#define GBE_VT_HPIXEN_HPIXEN_ON_MSB 23
187#define GBE_VT_HPIXEN_HPIXEN_ON_LSB 12
188#define GBE_VT_HPIXEN_HPIXEN_OFF_MSB 11
189#define GBE_VT_HPIXEN_HPIXEN_OFF_LSB 0
190
191#define GBE_VT_VPIXEN_VPIXEN_ON_MSB 23
192#define GBE_VT_VPIXEN_VPIXEN_ON_LSB 12
193#define GBE_VT_VPIXEN_VPIXEN_OFF_MSB 11
194#define GBE_VT_VPIXEN_VPIXEN_OFF_LSB 0
195
196#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_MSB 0
197#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_LSB 0
198
199#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_MSB 0
200#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_LSB 0
201
202#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_MSB 13
203#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_LSB 13
204
205#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_MSB 0
206#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_LSB 0
207#define GBE_FRM_CONTROL_FRM_TILE_PTR_MSB 31
208#define GBE_FRM_CONTROL_FRM_TILE_PTR_LSB 9
209#define GBE_FRM_CONTROL_FRM_LINEAR_MSB 1
210#define GBE_FRM_CONTROL_FRM_LINEAR_LSB 1
211
212#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_MSB 0
213#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_LSB 0
214
215#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_MSB 12
216#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_LSB 5
217#define GBE_FRM_SIZE_TILE_FRM_RHS_MSB 4
218#define GBE_FRM_SIZE_TILE_FRM_RHS_LSB 0
219#define GBE_FRM_SIZE_TILE_FRM_DEPTH_MSB 14
220#define GBE_FRM_SIZE_TILE_FRM_DEPTH_LSB 13
221#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_MSB 15
222#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_LSB 15
223
224#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_MSB 31
225#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_LSB 16
226
227#define GBE_DID_CONTROL_DID_DMA_ENABLE_MSB 0
228#define GBE_DID_CONTROL_DID_DMA_ENABLE_LSB 0
229#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_MSB 0
230#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_LSB 0
231
232#define GBE_DID_START_XY_DID_STARTY_MSB 23
233#define GBE_DID_START_XY_DID_STARTY_LSB 12
234#define GBE_DID_START_XY_DID_STARTX_MSB 11
235#define GBE_DID_START_XY_DID_STARTX_LSB 0
236
237#define GBE_CRS_START_XY_CRS_STARTY_MSB 23
238#define GBE_CRS_START_XY_CRS_STARTY_LSB 12
239#define GBE_CRS_START_XY_CRS_STARTX_MSB 11
240#define GBE_CRS_START_XY_CRS_STARTX_LSB 0
241
242#define GBE_WID_AUX_MSB 12
243#define GBE_WID_AUX_LSB 11
244#define GBE_WID_GAMMA_MSB 10
245#define GBE_WID_GAMMA_LSB 10
246#define GBE_WID_CM_MSB 9
247#define GBE_WID_CM_LSB 5
248#define GBE_WID_TYP_MSB 4
249#define GBE_WID_TYP_LSB 2
250#define GBE_WID_BUF_MSB 1
251#define GBE_WID_BUF_LSB 0
252
253#define GBE_VC_START_XY_VC_STARTY_MSB 23
254#define GBE_VC_START_XY_VC_STARTY_LSB 12
255#define GBE_VC_START_XY_VC_STARTX_MSB 11
256#define GBE_VC_START_XY_VC_STARTX_LSB 0
257
258/* Constants */
259
260#define GBE_FRM_DEPTH_8 0
261#define GBE_FRM_DEPTH_16 1
262#define GBE_FRM_DEPTH_32 2
263
264#define GBE_CMODE_I8 0
265#define GBE_CMODE_I12 1
266#define GBE_CMODE_RG3B2 2
267#define GBE_CMODE_RGB4 3
268#define GBE_CMODE_ARGB5 4
269#define GBE_CMODE_RGB8 5
270#define GBE_CMODE_RGBA5 6
271#define GBE_CMODE_RGB10 7
272
273#define GBE_BMODE_BOTH 3
274
275#define GBE_CRS_MAGIC 54
276#define GBE_PIXEN_MAGIC_ON 19
277#define GBE_PIXEN_MAGIC_OFF 2
278
279#define GBE_TLB_SIZE 128
280
281/* [1] - only GBE revision 2 and later */
282
283/*
284 * Video Timing Data Structure
285 */
286
287struct gbe_timing_info {
288    int flags;
289    short width; /* Monitor resolution */
290    short height;
291    int fields_sec; /* fields/sec (Hz -3 dec. places */
292    int cfreq; /* pixel clock frequency (MHz -3 dec. places) */
293    short htotal; /* Horizontal total pixels */
294    short hblank_start; /* Horizontal blank start */
295    short hblank_end; /* Horizontal blank end */
296    short hsync_start; /* Horizontal sync start */
297    short hsync_end; /* Horizontal sync end */
298    short vtotal; /* Vertical total lines */
299    short vblank_start; /* Vertical blank start */
300    short vblank_end; /* Vertical blank end */
301    short vsync_start; /* Vertical sync start */
302    short vsync_end; /* Vertical sync end */
303    short pll_m; /* PLL M parameter */
304    short pll_n; /* PLL P parameter */
305    short pll_p; /* PLL N parameter */
306};
307
308/* Defines for gbe_vof_info_t flags */
309
310#define GBE_VOF_UNKNOWNMON 1
311#define GBE_VOF_STEREO 2
312#define GBE_VOF_DO_GENSYNC 4 /* enable incoming sync */
313#define GBE_VOF_SYNC_ON_GREEN 8 /* sync on green */
314#define GBE_VOF_FLATPANEL 0x1000 /* FLATPANEL Timing */
315#define GBE_VOF_MAGICKEY 0x2000 /* Backdoor key */
316
317#endif /* ! __GBE_H__ */
318

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