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1/*
2 * Copyright (C) 2009 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#ifndef __DRM_I2C_CH7006_PRIV_H__
28#define __DRM_I2C_CH7006_PRIV_H__
29
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30#include <drm/drmP.h>
31#include <drm/drm_crtc_helper.h>
32#include <drm/drm_encoder_slave.h>
33#include <drm/i2c/ch7006.h>
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34
35typedef int64_t fixed;
36#define fixed1 (1LL << 32)
37
38enum ch7006_tv_norm {
39 TV_NORM_PAL,
40 TV_NORM_PAL_M,
41 TV_NORM_PAL_N,
42 TV_NORM_PAL_NC,
43 TV_NORM_PAL_60,
44 TV_NORM_NTSC_M,
45 TV_NORM_NTSC_J,
46 NUM_TV_NORMS
47};
48
49struct ch7006_tv_norm_info {
50 fixed vrefresh;
51 int vdisplay;
52 int vtotal;
53 int hvirtual;
54
55 fixed subc_freq;
56 fixed black_level;
57
58 uint32_t dispmode;
59 int voffset;
60};
61
62struct ch7006_mode {
63 struct drm_display_mode mode;
64
65 int enc_hdisp;
66 int enc_vdisp;
67
68 fixed subc_coeff;
69 uint32_t dispmode;
70
71 uint32_t valid_scales;
72 uint32_t valid_norms;
73};
74
75struct ch7006_state {
76 uint8_t regs[0x26];
77};
78
79struct ch7006_priv {
6d6a413a 80 struct ch7006_encoder_params params;
53edb2c6 81 const struct ch7006_mode *mode;
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82
83 struct ch7006_state state;
84 struct ch7006_state saved_state;
85
86 struct drm_property *scale_property;
87
88 int select_subconnector;
89 int subconnector;
90 int hmargin;
91 int vmargin;
92 enum ch7006_tv_norm norm;
93 int brightness;
94 int contrast;
95 int flicker;
96 int scale;
97
c93ebb40 98 int chip_version;
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99 int last_dpms;
100};
101
102#define to_ch7006_priv(x) \
103 ((struct ch7006_priv *)to_encoder_slave(x)->slave_priv)
104
105extern int ch7006_debug;
106extern char *ch7006_tv_norm;
107extern int ch7006_scale;
108
b7c914b3 109extern const char * const ch7006_tv_norm_names[];
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110extern const struct ch7006_tv_norm_info ch7006_tv_norms[];
111extern const struct ch7006_mode ch7006_modes[];
6ee73861 112
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113const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
114 const struct drm_display_mode *drm_mode);
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115
116void ch7006_setup_levels(struct drm_encoder *encoder);
117void ch7006_setup_subcarrier(struct drm_encoder *encoder);
118void ch7006_setup_pll(struct drm_encoder *encoder);
119void ch7006_setup_power_state(struct drm_encoder *encoder);
120void ch7006_setup_properties(struct drm_encoder *encoder);
121
122void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val);
123uint8_t ch7006_read(struct i2c_client *client, uint8_t addr);
124
125void ch7006_state_load(struct i2c_client *client,
126 struct ch7006_state *state);
127void ch7006_state_save(struct i2c_client *client,
128 struct ch7006_state *state);
129
130/* Some helper macros */
131
132#define ch7006_dbg(client, format, ...) do { \
133 if (ch7006_debug) \
134 dev_printk(KERN_DEBUG, &client->dev, \
135 "%s: " format, __func__, ## __VA_ARGS__); \
136 } while (0)
137#define ch7006_info(client, format, ...) \
138 dev_info(&client->dev, format, __VA_ARGS__)
139#define ch7006_err(client, format, ...) \
140 dev_err(&client->dev, format, __VA_ARGS__)
141
142#define __mask(src, bitfield) \
143 (((2 << (1 ? bitfield)) - 1) & ~((1 << (0 ? bitfield)) - 1))
144#define mask(bitfield) __mask(bitfield)
145
146#define __bitf(src, bitfield, x) \
147 (((x) >> (src) << (0 ? bitfield)) & __mask(src, bitfield))
148#define bitf(bitfield, x) __bitf(bitfield, x)
149#define bitfs(bitfield, s) __bitf(bitfield, bitfield##_##s)
150#define setbitf(state, reg, bitfield, x) \
151 state->regs[reg] = (state->regs[reg] & ~mask(reg##_##bitfield)) \
152 | bitf(reg##_##bitfield, x)
153
154#define __unbitf(src, bitfield, x) \
155 ((x & __mask(src, bitfield)) >> (0 ? bitfield) << (src))
156#define unbitf(bitfield, x) __unbitf(bitfield, x)
157
158static inline int interpolate(int y0, int y1, int y2, int x)
159{
160 return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50;
161}
162
163static inline int32_t round_fixed(fixed x)
164{
165 return (x + fixed1/2) >> 32;
166}
167
168#define ch7006_load_reg(client, state, reg) ch7006_write(client, reg, state->regs[reg])
169#define ch7006_save_reg(client, state, reg) state->regs[reg] = ch7006_read(client, reg)
170
171/* Fixed hardware specs */
172
173#define CH7006_FREQ0 14318
174#define CH7006_MAXN 650
175#define CH7006_MAXM 315
176
177/* Register definitions */
178
179#define CH7006_DISPMODE 0x00
180#define CH7006_DISPMODE_INPUT_RES 0, 7:5
181#define CH7006_DISPMODE_INPUT_RES_512x384 0x0
182#define CH7006_DISPMODE_INPUT_RES_720x400 0x1
183#define CH7006_DISPMODE_INPUT_RES_640x400 0x2
184#define CH7006_DISPMODE_INPUT_RES_640x480 0x3
185#define CH7006_DISPMODE_INPUT_RES_800x600 0x4
186#define CH7006_DISPMODE_INPUT_RES_NATIVE 0x5
187#define CH7006_DISPMODE_OUTPUT_STD 0, 4:3
188#define CH7006_DISPMODE_OUTPUT_STD_PAL 0x0
189#define CH7006_DISPMODE_OUTPUT_STD_NTSC 0x1
190#define CH7006_DISPMODE_OUTPUT_STD_PAL_M 0x2
191#define CH7006_DISPMODE_OUTPUT_STD_NTSC_J 0x3
192#define CH7006_DISPMODE_SCALING_RATIO 0, 2:0
193#define CH7006_DISPMODE_SCALING_RATIO_5_4 0x0
194#define CH7006_DISPMODE_SCALING_RATIO_1_1 0x1
195#define CH7006_DISPMODE_SCALING_RATIO_7_8 0x2
196#define CH7006_DISPMODE_SCALING_RATIO_5_6 0x3
197#define CH7006_DISPMODE_SCALING_RATIO_3_4 0x4
198#define CH7006_DISPMODE_SCALING_RATIO_7_10 0x5
199
200#define CH7006_FFILTER 0x01
201#define CH7006_FFILTER_TEXT 0, 5:4
202#define CH7006_FFILTER_LUMA 0, 3:2
203#define CH7006_FFILTER_CHROMA 0, 1:0
204#define CH7006_FFILTER_CHROMA_NO_DCRAWL 0x3
205
206#define CH7006_BWIDTH 0x03
207#define CH7006_BWIDTH_5L_FFILER (1 << 7)
208#define CH7006_BWIDTH_CVBS_NO_CHROMA (1 << 6)
209#define CH7006_BWIDTH_CHROMA 0, 5:4
210#define CH7006_BWIDTH_SVIDEO_YPEAK (1 << 3)
211#define CH7006_BWIDTH_SVIDEO_LUMA 0, 2:1
212#define CH7006_BWIDTH_CVBS_LUMA 0, 0:0
213
214#define CH7006_INPUT_FORMAT 0x04
215#define CH7006_INPUT_FORMAT_DAC_GAIN (1 << 6)
216#define CH7006_INPUT_FORMAT_RGB_PASS_THROUGH (1 << 5)
217#define CH7006_INPUT_FORMAT_FORMAT 0, 3:0
218#define CH7006_INPUT_FORMAT_FORMAT_RGB16 0x0
219#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m16 0x1
220#define CH7006_INPUT_FORMAT_FORMAT_RGB24m16 0x2
221#define CH7006_INPUT_FORMAT_FORMAT_RGB15 0x3
222#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12C 0x4
223#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12I 0x5
224#define CH7006_INPUT_FORMAT_FORMAT_RGB24m8 0x6
225#define CH7006_INPUT_FORMAT_FORMAT_RGB16m8 0x7
226#define CH7006_INPUT_FORMAT_FORMAT_RGB15m8 0x8
227#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m8 0x9
228
229#define CH7006_CLKMODE 0x06
230#define CH7006_CLKMODE_SUBC_LOCK (1 << 7)
231#define CH7006_CLKMODE_MASTER (1 << 6)
232#define CH7006_CLKMODE_POS_EDGE (1 << 4)
233#define CH7006_CLKMODE_XCM 0, 3:2
234#define CH7006_CLKMODE_PCM 0, 1:0
235
236#define CH7006_START_ACTIVE 0x07
237#define CH7006_START_ACTIVE_0 0, 7:0
238
239#define CH7006_POV 0x08
240#define CH7006_POV_START_ACTIVE_8 8, 2:2
241#define CH7006_POV_HPOS_8 8, 1:1
242#define CH7006_POV_VPOS_8 8, 0:0
243
244#define CH7006_BLACK_LEVEL 0x09
245#define CH7006_BLACK_LEVEL_0 0, 7:0
246
247#define CH7006_HPOS 0x0a
248#define CH7006_HPOS_0 0, 7:0
249
250#define CH7006_VPOS 0x0b
251#define CH7006_VPOS_0 0, 7:0
252
253#define CH7006_INPUT_SYNC 0x0d
254#define CH7006_INPUT_SYNC_EMBEDDED (1 << 3)
255#define CH7006_INPUT_SYNC_OUTPUT (1 << 2)
256#define CH7006_INPUT_SYNC_PVSYNC (1 << 1)
257#define CH7006_INPUT_SYNC_PHSYNC (1 << 0)
258
259#define CH7006_POWER 0x0e
260#define CH7006_POWER_SCART (1 << 4)
261#define CH7006_POWER_RESET (1 << 3)
262#define CH7006_POWER_LEVEL 0, 2:0
263#define CH7006_POWER_LEVEL_CVBS_OFF 0x0
264#define CH7006_POWER_LEVEL_POWER_OFF 0x1
265#define CH7006_POWER_LEVEL_SVIDEO_OFF 0x2
266#define CH7006_POWER_LEVEL_NORMAL 0x3
267#define CH7006_POWER_LEVEL_FULL_POWER_OFF 0x4
268
269#define CH7006_DETECT 0x10
270#define CH7006_DETECT_SVIDEO_Y_TEST (1 << 3)
271#define CH7006_DETECT_SVIDEO_C_TEST (1 << 2)
272#define CH7006_DETECT_CVBS_TEST (1 << 1)
273#define CH7006_DETECT_SENSE (1 << 0)
274
275#define CH7006_CONTRAST 0x11
276#define CH7006_CONTRAST_0 0, 2:0
277
278#define CH7006_PLLOV 0x13
279#define CH7006_PLLOV_N_8 8, 2:1
280#define CH7006_PLLOV_M_8 8, 0:0
281
282#define CH7006_PLLM 0x14
283#define CH7006_PLLM_0 0, 7:0
284
285#define CH7006_PLLN 0x15
286#define CH7006_PLLN_0 0, 7:0
287
288#define CH7006_BCLKOUT 0x17
289
290#define CH7006_SUBC_INC0 0x18
291#define CH7006_SUBC_INC0_28 28, 3:0
292
293#define CH7006_SUBC_INC1 0x19
294#define CH7006_SUBC_INC1_24 24, 3:0
295
296#define CH7006_SUBC_INC2 0x1a
297#define CH7006_SUBC_INC2_20 20, 3:0
298
299#define CH7006_SUBC_INC3 0x1b
300#define CH7006_SUBC_INC3_GPIO1_VAL (1 << 7)
301#define CH7006_SUBC_INC3_GPIO0_VAL (1 << 6)
302#define CH7006_SUBC_INC3_POUT_3_3V (1 << 5)
303#define CH7006_SUBC_INC3_POUT_INV (1 << 4)
304#define CH7006_SUBC_INC3_16 16, 3:0
305
306#define CH7006_SUBC_INC4 0x1c
307#define CH7006_SUBC_INC4_GPIO1_IN (1 << 7)
308#define CH7006_SUBC_INC4_GPIO0_IN (1 << 6)
309#define CH7006_SUBC_INC4_DS_INPUT (1 << 4)
310#define CH7006_SUBC_INC4_12 12, 3:0
311
312#define CH7006_SUBC_INC5 0x1d
313#define CH7006_SUBC_INC5_8 8, 3:0
314
315#define CH7006_SUBC_INC6 0x1e
316#define CH7006_SUBC_INC6_4 4, 3:0
317
318#define CH7006_SUBC_INC7 0x1f
319#define CH7006_SUBC_INC7_0 0, 3:0
320
321#define CH7006_PLL_CONTROL 0x20
322#define CH7006_PLL_CONTROL_CPI (1 << 5)
323#define CH7006_PLL_CONTROL_CAPACITOR (1 << 4)
324#define CH7006_PLL_CONTROL_7STAGES (1 << 3)
325#define CH7006_PLL_CONTROL_DIGITAL_5V (1 << 2)
326#define CH7006_PLL_CONTROL_ANALOG_5V (1 << 1)
327#define CH7006_PLL_CONTROL_MEMORY_5V (1 << 0)
328
329#define CH7006_CALC_SUBC_INC0 0x21
330#define CH7006_CALC_SUBC_INC0_24 24, 4:3
331#define CH7006_CALC_SUBC_INC0_HYST 0, 2:1
332#define CH7006_CALC_SUBC_INC0_AUTO (1 << 0)
333
334#define CH7006_CALC_SUBC_INC1 0x22
335#define CH7006_CALC_SUBC_INC1_16 16, 7:0
336
337#define CH7006_CALC_SUBC_INC2 0x23
338#define CH7006_CALC_SUBC_INC2_8 8, 7:0
339
340#define CH7006_CALC_SUBC_INC3 0x24
341#define CH7006_CALC_SUBC_INC3_0 0, 7:0
342
343#define CH7006_VERSION_ID 0x25
344
345#endif