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
30 #include <drm/drm_crtc_helper.h>
31 #include <drm/drm_encoder_slave.h>
32 #include <drm/drm_probe_helper.h>
33 #include <drm/i2c/ch7006.h>
34
35 typedef int64_t fixed;
36 #define fixed1 (1LL << 32)
37
38 enum 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
49 struct 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
62 struct 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
75 struct ch7006_state {
76 uint8_t regs[0x26];
77 };
78
79 struct ch7006_priv {
80 struct ch7006_encoder_params params;
81 const struct ch7006_mode *mode;
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
98 int chip_version;
99 int last_dpms;
100 };
101
102 #define to_ch7006_priv(x) \
103 ((struct ch7006_priv *)to_encoder_slave(x)->slave_priv)
104
105 extern int ch7006_debug;
106 extern char *ch7006_tv_norm;
107 extern int ch7006_scale;
108
109 extern const char * const ch7006_tv_norm_names[];
110 extern const struct ch7006_tv_norm_info ch7006_tv_norms[];
111 extern const struct ch7006_mode ch7006_modes[];
112
113 const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
114 const struct drm_display_mode *drm_mode);
115
116 void ch7006_setup_levels(struct drm_encoder *encoder);
117 void ch7006_setup_subcarrier(struct drm_encoder *encoder);
118 void ch7006_setup_pll(struct drm_encoder *encoder);
119 void ch7006_setup_power_state(struct drm_encoder *encoder);
120 void ch7006_setup_properties(struct drm_encoder *encoder);
121
122 void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val);
123 uint8_t ch7006_read(struct i2c_client *client, uint8_t addr);
124
125 void ch7006_state_load(struct i2c_client *client,
126 struct ch7006_state *state);
127 void 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
interpolate(int y0,int y1,int y2,int x)158 static 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
round_fixed(fixed x)163 static 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
346