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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * include/video/gbe.h -- SGI GBE (Graphics Back End)
4 *
5 * Copyright (C) 1999 Silicon Graphics, Inc. (Jeffrey Newquist)
6 */
7
8#ifndef __GBE_H__
9#define __GBE_H__
10
11struct sgi_gbe {
12 volatile uint32_t ctrlstat; /* general control */
13 volatile uint32_t dotclock; /* dot clock PLL control */
14 volatile uint32_t i2c; /* crt I2C control */
15 volatile uint32_t sysclk; /* system clock PLL control */
16 volatile uint32_t i2cfp; /* flat panel I2C control */
17 volatile uint32_t id; /* device id/chip revision */
18 volatile uint32_t config; /* power on configuration [1] */
19 volatile uint32_t bist; /* internal bist status [1] */
20 uint32_t _pad0[0x010000/4 - 8];
21 volatile uint32_t vt_xy; /* current dot coords */
22 volatile uint32_t vt_xymax; /* maximum dot coords */
23 volatile uint32_t vt_vsync; /* vsync on/off */
24 volatile uint32_t vt_hsync; /* hsync on/off */
25 volatile uint32_t vt_vblank; /* vblank on/off */
26 volatile uint32_t vt_hblank; /* hblank on/off */
27 volatile uint32_t vt_flags; /* polarity of vt signals */
28 volatile uint32_t vt_f2rf_lock; /* f2rf & framelck y coord */
29 volatile uint32_t vt_intr01; /* intr 0,1 y coords */
30 volatile uint32_t vt_intr23; /* intr 2,3 y coords */
31 volatile uint32_t fp_hdrv; /* flat panel hdrv on/off */
32 volatile uint32_t fp_vdrv; /* flat panel vdrv on/off */
33 volatile uint32_t fp_de; /* flat panel de on/off */
34 volatile uint32_t vt_hpixen; /* intrnl horiz pixel on/off */
35 volatile uint32_t vt_vpixen; /* intrnl vert pixel on/off */
36 volatile uint32_t vt_hcmap; /* cmap write (horiz) */
37 volatile uint32_t vt_vcmap; /* cmap write (vert) */
38 volatile uint32_t did_start_xy; /* eol/f did/xy reset val */
39 volatile uint32_t crs_start_xy; /* eol/f crs/xy reset val */
40 volatile uint32_t vc_start_xy; /* eol/f vc/xy reset val */
41 uint32_t _pad1[0xffb0/4];
42 volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */
43 volatile uint32_t ovr_inhwctrl; /* overlay plane ctrl 1 */
44 volatile uint32_t ovr_control; /* overlay plane ctrl 1 */
45 uint32_t _pad2[0xfff4/4];
46 volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */
47 volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */
48 volatile uint32_t frm_inhwctrl; /* normal plane ctrl 2 */
49 volatile uint32_t frm_control; /* normal plane ctrl 3 */
50 uint32_t _pad3[0xfff0/4];
51 volatile uint32_t did_inhwctrl; /* DID control */
52 volatile uint32_t did_control; /* DID shadow */
53 uint32_t _pad4[0x7ff8/4];
54 volatile uint32_t mode_regs[32];/* WID table */
55 uint32_t _pad5[0x7f80/4];
56 volatile uint32_t cmap[6144]; /* color map */
57 uint32_t _pad6[0x2000/4];
58 volatile uint32_t cm_fifo; /* color map fifo status */
59 uint32_t _pad7[0x7ffc/4];
60 volatile uint32_t gmap[256]; /* gamma map */
61 uint32_t _pad8[0x7c00/4];
62 volatile uint32_t gmap10[1024]; /* gamma map */
63 uint32_t _pad9[0x7000/4];
64 volatile uint32_t crs_pos; /* cusror control 0 */
65 volatile uint32_t crs_ctl; /* cusror control 1 */
66 volatile uint32_t crs_cmap[3]; /* crs cmap */
67 uint32_t _pad10[0x7fec/4];
68 volatile uint32_t crs_glyph[64];/* crs glyph */
69 uint32_t _pad11[0x7f00/4];
70 volatile uint32_t vc_0; /* video capture crtl 0 */
71 volatile uint32_t vc_1; /* video capture crtl 1 */
72 volatile uint32_t vc_2; /* video capture crtl 2 */
73 volatile uint32_t vc_3; /* video capture crtl 3 */
74 volatile uint32_t vc_4; /* video capture crtl 4 */
75 volatile uint32_t vc_5; /* video capture crtl 5 */
76 volatile uint32_t vc_6; /* video capture crtl 6 */
77 volatile uint32_t vc_7; /* video capture crtl 7 */
78 volatile uint32_t vc_8; /* video capture crtl 8 */
79};
80
81#define MASK(msb, lsb) \
82 ( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) )
83#define GET(v, msb, lsb) \
84 ( ((u32)(v) & MASK(msb,lsb)) >> (lsb) )
85#define SET(v, f, msb, lsb) \
86 ( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) )
87
88#define GET_GBE_FIELD(reg, field, v) \
89 GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
90#define SET_GBE_FIELD(reg, field, v, f) \
91 SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
92
93/*
94 * Bit mask information
95 */
96#define GBE_CTRLSTAT_CHIPID_MSB 3
97#define GBE_CTRLSTAT_CHIPID_LSB 0
98#define GBE_CTRLSTAT_SENSE_N_MSB 4
99#define GBE_CTRLSTAT_SENSE_N_LSB 4
100#define GBE_CTRLSTAT_PCLKSEL_MSB 29
101#define GBE_CTRLSTAT_PCLKSEL_LSB 28
102
103#define GBE_DOTCLK_M_MSB 7
104#define GBE_DOTCLK_M_LSB 0
105#define GBE_DOTCLK_N_MSB 13
106#define GBE_DOTCLK_N_LSB 8
107#define GBE_DOTCLK_P_MSB 15
108#define GBE_DOTCLK_P_LSB 14
109#define GBE_DOTCLK_RUN_MSB 20
110#define GBE_DOTCLK_RUN_LSB 20
111
112#define GBE_VT_XY_Y_MSB 23
113#define GBE_VT_XY_Y_LSB 12
114#define GBE_VT_XY_X_MSB 11
115#define GBE_VT_XY_X_LSB 0
116#define GBE_VT_XY_FREEZE_MSB 31
117#define GBE_VT_XY_FREEZE_LSB 31
118
119#define GBE_FP_VDRV_ON_MSB 23
120#define GBE_FP_VDRV_ON_LSB 12
121#define GBE_FP_VDRV_OFF_MSB 11
122#define GBE_FP_VDRV_OFF_LSB 0
123
124#define GBE_FP_HDRV_ON_MSB 23
125#define GBE_FP_HDRV_ON_LSB 12
126#define GBE_FP_HDRV_OFF_MSB 11
127#define GBE_FP_HDRV_OFF_LSB 0
128
129#define GBE_FP_DE_ON_MSB 23
130#define GBE_FP_DE_ON_LSB 12
131#define GBE_FP_DE_OFF_MSB 11
132#define GBE_FP_DE_OFF_LSB 0
133
134#define GBE_VT_VSYNC_VSYNC_ON_MSB 23
135#define GBE_VT_VSYNC_VSYNC_ON_LSB 12
136#define GBE_VT_VSYNC_VSYNC_OFF_MSB 11
137#define GBE_VT_VSYNC_VSYNC_OFF_LSB 0
138
139#define GBE_VT_HSYNC_HSYNC_ON_MSB 23
140#define GBE_VT_HSYNC_HSYNC_ON_LSB 12
141#define GBE_VT_HSYNC_HSYNC_OFF_MSB 11
142#define GBE_VT_HSYNC_HSYNC_OFF_LSB 0
143
144#define GBE_VT_VBLANK_VBLANK_ON_MSB 23
145#define GBE_VT_VBLANK_VBLANK_ON_LSB 12
146#define GBE_VT_VBLANK_VBLANK_OFF_MSB 11
147#define GBE_VT_VBLANK_VBLANK_OFF_LSB 0
148
149#define GBE_VT_HBLANK_HBLANK_ON_MSB 23
150#define GBE_VT_HBLANK_HBLANK_ON_LSB 12
151#define GBE_VT_HBLANK_HBLANK_OFF_MSB 11
152#define GBE_VT_HBLANK_HBLANK_OFF_LSB 0
153
154#define GBE_VT_FLAGS_F2RF_HIGH_MSB 6
155#define GBE_VT_FLAGS_F2RF_HIGH_LSB 6
156#define GBE_VT_FLAGS_SYNC_LOW_MSB 5
157#define GBE_VT_FLAGS_SYNC_LOW_LSB 5
158#define GBE_VT_FLAGS_SYNC_HIGH_MSB 4
159#define GBE_VT_FLAGS_SYNC_HIGH_LSB 4
160#define GBE_VT_FLAGS_HDRV_LOW_MSB 3
161#define GBE_VT_FLAGS_HDRV_LOW_LSB 3
162#define GBE_VT_FLAGS_HDRV_INVERT_MSB 2
163#define GBE_VT_FLAGS_HDRV_INVERT_LSB 2
164#define GBE_VT_FLAGS_VDRV_LOW_MSB 1
165#define GBE_VT_FLAGS_VDRV_LOW_LSB 1
166#define GBE_VT_FLAGS_VDRV_INVERT_MSB 0
167#define GBE_VT_FLAGS_VDRV_INVERT_LSB 0
168
169#define GBE_VT_VCMAP_VCMAP_ON_MSB 23
170#define GBE_VT_VCMAP_VCMAP_ON_LSB 12
171#define GBE_VT_VCMAP_VCMAP_OFF_MSB 11
172#define GBE_VT_VCMAP_VCMAP_OFF_LSB 0
173
174#define GBE_VT_HCMAP_HCMAP_ON_MSB 23
175#define GBE_VT_HCMAP_HCMAP_ON_LSB 12
176#define GBE_VT_HCMAP_HCMAP_OFF_MSB 11
177#define GBE_VT_HCMAP_HCMAP_OFF_LSB 0
178
179#define GBE_VT_XYMAX_MAXX_MSB 11
180#define GBE_VT_XYMAX_MAXX_LSB 0
181#define GBE_VT_XYMAX_MAXY_MSB 23
182#define GBE_VT_XYMAX_MAXY_LSB 12
183
184#define GBE_VT_HPIXEN_HPIXEN_ON_MSB 23
185#define GBE_VT_HPIXEN_HPIXEN_ON_LSB 12
186#define GBE_VT_HPIXEN_HPIXEN_OFF_MSB 11
187#define GBE_VT_HPIXEN_HPIXEN_OFF_LSB 0
188
189#define GBE_VT_VPIXEN_VPIXEN_ON_MSB 23
190#define GBE_VT_VPIXEN_VPIXEN_ON_LSB 12
191#define GBE_VT_VPIXEN_VPIXEN_OFF_MSB 11
192#define GBE_VT_VPIXEN_VPIXEN_OFF_LSB 0
193
194#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_MSB 0
195#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_LSB 0
196
197#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_MSB 0
198#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_LSB 0
199
200#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_MSB 13
201#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_LSB 13
202
203#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_MSB 0
204#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_LSB 0
205#define GBE_FRM_CONTROL_FRM_TILE_PTR_MSB 31
206#define GBE_FRM_CONTROL_FRM_TILE_PTR_LSB 9
207#define GBE_FRM_CONTROL_FRM_LINEAR_MSB 1
208#define GBE_FRM_CONTROL_FRM_LINEAR_LSB 1
209
210#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_MSB 0
211#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_LSB 0
212
213#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_MSB 12
214#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_LSB 5
215#define GBE_FRM_SIZE_TILE_FRM_RHS_MSB 4
216#define GBE_FRM_SIZE_TILE_FRM_RHS_LSB 0
217#define GBE_FRM_SIZE_TILE_FRM_DEPTH_MSB 14
218#define GBE_FRM_SIZE_TILE_FRM_DEPTH_LSB 13
219#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_MSB 15
220#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_LSB 15
221
222#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_MSB 31
223#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_LSB 16
224
225#define GBE_DID_CONTROL_DID_DMA_ENABLE_MSB 0
226#define GBE_DID_CONTROL_DID_DMA_ENABLE_LSB 0
227#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_MSB 0
228#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_LSB 0
229
230#define GBE_DID_START_XY_DID_STARTY_MSB 23
231#define GBE_DID_START_XY_DID_STARTY_LSB 12
232#define GBE_DID_START_XY_DID_STARTX_MSB 11
233#define GBE_DID_START_XY_DID_STARTX_LSB 0
234
235#define GBE_CRS_START_XY_CRS_STARTY_MSB 23
236#define GBE_CRS_START_XY_CRS_STARTY_LSB 12
237#define GBE_CRS_START_XY_CRS_STARTX_MSB 11
238#define GBE_CRS_START_XY_CRS_STARTX_LSB 0
239
240#define GBE_WID_AUX_MSB 12
241#define GBE_WID_AUX_LSB 11
242#define GBE_WID_GAMMA_MSB 10
243#define GBE_WID_GAMMA_LSB 10
244#define GBE_WID_CM_MSB 9
245#define GBE_WID_CM_LSB 5
246#define GBE_WID_TYP_MSB 4
247#define GBE_WID_TYP_LSB 2
248#define GBE_WID_BUF_MSB 1
249#define GBE_WID_BUF_LSB 0
250
251#define GBE_VC_START_XY_VC_STARTY_MSB 23
252#define GBE_VC_START_XY_VC_STARTY_LSB 12
253#define GBE_VC_START_XY_VC_STARTX_MSB 11
254#define GBE_VC_START_XY_VC_STARTX_LSB 0
255
256/* Constants */
257
258#define GBE_FRM_DEPTH_8 0
259#define GBE_FRM_DEPTH_16 1
260#define GBE_FRM_DEPTH_32 2
261
262#define GBE_CMODE_I8 0
263#define GBE_CMODE_I12 1
264#define GBE_CMODE_RG3B2 2
265#define GBE_CMODE_RGB4 3
266#define GBE_CMODE_ARGB5 4
267#define GBE_CMODE_RGB8 5
268#define GBE_CMODE_RGBA5 6
269#define GBE_CMODE_RGB10 7
270
271#define GBE_BMODE_BOTH 3
272
273#define GBE_CRS_MAGIC 54
274#define GBE_PIXEN_MAGIC_ON 19
275#define GBE_PIXEN_MAGIC_OFF 2
276
277#define GBE_TLB_SIZE 128
278
279/* [1] - only GBE revision 2 and later */
280
281/*
282 * Video Timing Data Structure
283 */
284
285struct gbe_timing_info {
286 int flags;
287 short width; /* Monitor resolution */
288 short height;
289 int fields_sec; /* fields/sec (Hz -3 dec. places */
290 int cfreq; /* pixel clock frequency (MHz -3 dec. places) */
291 short htotal; /* Horizontal total pixels */
292 short hblank_start; /* Horizontal blank start */
293 short hblank_end; /* Horizontal blank end */
294 short hsync_start; /* Horizontal sync start */
295 short hsync_end; /* Horizontal sync end */
296 short vtotal; /* Vertical total lines */
297 short vblank_start; /* Vertical blank start */
298 short vblank_end; /* Vertical blank end */
299 short vsync_start; /* Vertical sync start */
300 short vsync_end; /* Vertical sync end */
301 short pll_m; /* PLL M parameter */
302 short pll_n; /* PLL P parameter */
303 short pll_p; /* PLL N parameter */
304};
305
306/* Defines for gbe_vof_info_t flags */
307
308#define GBE_VOF_UNKNOWNMON 1
309#define GBE_VOF_STEREO 2
310#define GBE_VOF_DO_GENSYNC 4 /* enable incoming sync */
311#define GBE_VOF_SYNC_ON_GREEN 8 /* sync on green */
312#define GBE_VOF_FLATPANEL 0x1000 /* FLATPANEL Timing */
313#define GBE_VOF_MAGICKEY 0x2000 /* Backdoor key */
314
315#endif /* ! __GBE_H__ */