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Commit | Line | Data |
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7e8b09ea HV |
1 | /* |
2 | * Programming the mspx4xx sound processor family | |
3 | * | |
4 | * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
7e8b09ea HV |
15 | */ |
16 | ||
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/module.h> | |
7e8b09ea | 20 | #include <linux/i2c.h> |
83144186 | 21 | #include <linux/freezer.h> |
7e8b09ea HV |
22 | #include <linux/videodev2.h> |
23 | #include <media/v4l2-common.h> | |
d647f0b7 | 24 | #include <media/drv-intf/msp3400.h> |
7e8b09ea HV |
25 | #include <linux/kthread.h> |
26 | #include <linux/suspend.h> | |
49965a80 | 27 | #include "msp3400-driver.h" |
7e8b09ea HV |
28 | |
29 | /* this one uses the automatic sound standard detection of newer msp34xx | |
30 | chip versions */ | |
31 | static struct { | |
32 | int retval; | |
33 | int main, second; | |
34 | char *name; | |
5d1ed986 | 35 | v4l2_std_id std; |
5af0c8f6 | 36 | } msp_stdlist[] = { |
5d1ed986 MCC |
37 | { 0x0000, 0, 0, "could not detect sound standard", V4L2_STD_ALL }, |
38 | { 0x0001, 0, 0, "autodetect start", V4L2_STD_ALL }, | |
39 | { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), | |
40 | "4.5/4.72 M Dual FM-Stereo", V4L2_STD_MN }, | |
41 | { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), | |
42 | "5.5/5.74 B/G Dual FM-Stereo", V4L2_STD_BG }, | |
43 | { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), | |
44 | "6.5/6.25 D/K1 Dual FM-Stereo", V4L2_STD_DK }, | |
45 | { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), | |
46 | "6.5/6.74 D/K2 Dual FM-Stereo", V4L2_STD_DK }, | |
47 | { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
48 | "6.5 D/K FM-Mono (HDEV3)", V4L2_STD_DK }, | |
49 | { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875), | |
50 | "6.5/5.74 D/K3 Dual FM-Stereo", V4L2_STD_DK }, | |
51 | { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), | |
52 | "5.5/5.85 B/G NICAM FM", V4L2_STD_BG }, | |
53 | { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), | |
54 | "6.5/5.85 L NICAM AM", V4L2_STD_L }, | |
55 | { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), | |
56 | "6.0/6.55 I NICAM FM", V4L2_STD_PAL_I }, | |
57 | { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), | |
58 | "6.5/5.85 D/K NICAM FM", V4L2_STD_DK }, | |
59 | { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), | |
60 | "6.5/5.85 D/K NICAM FM (HDEV2)", V4L2_STD_DK }, | |
61 | { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85), | |
62 | "6.5/5.85 D/K NICAM FM (HDEV3)", V4L2_STD_DK }, | |
63 | { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), | |
64 | "4.5 M BTSC-Stereo", V4L2_STD_MTS }, | |
65 | { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), | |
66 | "4.5 M BTSC-Mono + SAP", V4L2_STD_MTS }, | |
67 | { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), | |
68 | "4.5 M EIA-J Japan Stereo", V4L2_STD_NTSC_M_JP }, | |
69 | { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), | |
70 | "10.7 FM-Stereo Radio", V4L2_STD_ALL }, | |
71 | { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
72 | "6.5 SAT-Mono", V4L2_STD_ALL }, | |
73 | { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), | |
74 | "7.02/7.20 SAT-Stereo", V4L2_STD_ALL }, | |
75 | { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), | |
76 | "7.2 SAT ADR", V4L2_STD_ALL }, | |
77 | { -1, 0, 0, NULL, 0 }, /* EOF */ | |
7e8b09ea HV |
78 | }; |
79 | ||
80 | static struct msp3400c_init_data_dem { | |
81 | int fir1[6]; | |
82 | int fir2[6]; | |
83 | int cdo1; | |
84 | int cdo2; | |
85 | int ad_cv; | |
86 | int mode_reg; | |
87 | int dsp_src; | |
88 | int dsp_matrix; | |
89 | } msp3400c_init_data[] = { | |
90 | { /* AM (for carrier detect / msp3400) */ | |
91 | {75, 19, 36, 35, 39, 40}, | |
92 | {75, 19, 36, 35, 39, 40}, | |
93 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
94 | 0x00d0, 0x0500, 0x0020, 0x3000 | |
d52c7385 | 95 | }, { /* AM (for carrier detect / msp3410) */ |
7e8b09ea HV |
96 | {-1, -1, -8, 2, 59, 126}, |
97 | {-1, -1, -8, 2, 59, 126}, | |
98 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
99 | 0x00d0, 0x0100, 0x0020, 0x3000 | |
d52c7385 | 100 | }, { /* FM Radio */ |
7e8b09ea HV |
101 | {-8, -8, 4, 6, 78, 107}, |
102 | {-8, -8, 4, 6, 78, 107}, | |
103 | MSP_CARRIER(10.7), MSP_CARRIER(10.7), | |
104 | 0x00d0, 0x0480, 0x0020, 0x3000 | |
25985edc | 105 | }, { /* Terrestrial FM-mono + FM-stereo */ |
7e8b09ea HV |
106 | {3, 18, 27, 48, 66, 72}, |
107 | {3, 18, 27, 48, 66, 72}, | |
108 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
109 | 0x00d0, 0x0480, 0x0030, 0x3000 | |
d52c7385 | 110 | }, { /* Sat FM-mono */ |
7e8b09ea HV |
111 | { 1, 9, 14, 24, 33, 37}, |
112 | { 3, 18, 27, 48, 66, 72}, | |
113 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
114 | 0x00c6, 0x0480, 0x0000, 0x3000 | |
d52c7385 | 115 | }, { /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ |
7e8b09ea HV |
116 | {-2, -8, -10, 10, 50, 86}, |
117 | {3, 18, 27, 48, 66, 72}, | |
118 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
119 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 120 | }, { /* NICAM/FM -- I (6.0/6.552) */ |
7e8b09ea HV |
121 | {2, 4, -6, -4, 40, 94}, |
122 | {3, 18, 27, 48, 66, 72}, | |
123 | MSP_CARRIER(6.0), MSP_CARRIER(6.0), | |
124 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 125 | }, { /* NICAM/AM -- L (6.5/5.85) */ |
7e8b09ea HV |
126 | {-2, -8, -10, 10, 50, 86}, |
127 | {-4, -12, -9, 23, 79, 126}, | |
128 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
8a4b275f | 129 | 0x00c6, 0x0140, 0x0120, 0x7c00 |
7e8b09ea HV |
130 | }, |
131 | }; | |
132 | ||
133 | struct msp3400c_carrier_detect { | |
134 | int cdo; | |
135 | char *name; | |
136 | }; | |
137 | ||
138 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { | |
139 | /* main carrier */ | |
140 | { MSP_CARRIER(4.5), "4.5 NTSC" }, | |
141 | { MSP_CARRIER(5.5), "5.5 PAL B/G" }, | |
142 | { MSP_CARRIER(6.0), "6.0 PAL I" }, | |
143 | { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } | |
144 | }; | |
145 | ||
146 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { | |
147 | /* PAL B/G */ | |
148 | { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, | |
149 | { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } | |
150 | }; | |
151 | ||
152 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { | |
153 | /* PAL SAT / SECAM */ | |
154 | { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, | |
155 | { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, | |
156 | { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, | |
157 | { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, | |
158 | { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, | |
159 | { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, | |
160 | }; | |
161 | ||
162 | /* ------------------------------------------------------------------------ */ | |
163 | ||
5af0c8f6 | 164 | const char *msp_standard_std_name(int std) |
7e8b09ea HV |
165 | { |
166 | int i; | |
167 | ||
5af0c8f6 HV |
168 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
169 | if (msp_stdlist[i].retval == std) | |
170 | return msp_stdlist[i].name; | |
7e8b09ea HV |
171 | return "unknown"; |
172 | } | |
173 | ||
5d1ed986 MCC |
174 | static v4l2_std_id msp_standard_std(int std) |
175 | { | |
176 | int i; | |
177 | ||
178 | for (i = 0; msp_stdlist[i].name != NULL; i++) | |
179 | if (msp_stdlist[i].retval == std) | |
180 | return msp_stdlist[i].std; | |
181 | return V4L2_STD_ALL; | |
182 | } | |
183 | ||
044f324f | 184 | static void msp_set_source(struct i2c_client *client, u16 src) |
8a4b275f | 185 | { |
76efd62f | 186 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
187 | |
188 | if (msp_dolby) { | |
189 | msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */ | |
190 | msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */ | |
191 | } else { | |
192 | msp_write_dsp(client, 0x0008, src); | |
193 | msp_write_dsp(client, 0x0009, src); | |
194 | } | |
195 | msp_write_dsp(client, 0x000a, src); | |
196 | msp_write_dsp(client, 0x000b, src); | |
197 | msp_write_dsp(client, 0x000c, src); | |
0020d3ef | 198 | if (state->has_scart2_out) |
8a4b275f HV |
199 | msp_write_dsp(client, 0x0041, src); |
200 | } | |
201 | ||
202 | void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2) | |
7e8b09ea HV |
203 | { |
204 | msp_write_dem(client, 0x0093, cdo1 & 0xfff); | |
205 | msp_write_dem(client, 0x009b, cdo1 >> 12); | |
206 | msp_write_dem(client, 0x00a3, cdo2 & 0xfff); | |
207 | msp_write_dem(client, 0x00ab, cdo2 >> 12); | |
8a4b275f | 208 | msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */ |
7e8b09ea HV |
209 | } |
210 | ||
8a4b275f | 211 | void msp3400c_set_mode(struct i2c_client *client, int mode) |
7e8b09ea | 212 | { |
76efd62f | 213 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f | 214 | struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode]; |
5325b427 | 215 | int tuner = (state->route_in >> 3) & 1; |
7e8b09ea HV |
216 | int i; |
217 | ||
39ad799a | 218 | dev_dbg_lvl(&client->dev, 1, msp_debug, "set_mode: %d\n", mode); |
8a4b275f | 219 | state->mode = mode; |
7e8b09ea HV |
220 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
221 | ||
2474ed44 | 222 | msp_write_dem(client, 0x00bb, data->ad_cv | (tuner ? 0x100 : 0)); |
7e8b09ea HV |
223 | |
224 | for (i = 5; i >= 0; i--) /* fir 1 */ | |
8a4b275f | 225 | msp_write_dem(client, 0x0001, data->fir1[i]); |
7e8b09ea HV |
226 | |
227 | msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ | |
228 | msp_write_dem(client, 0x0005, 0x0040); | |
229 | msp_write_dem(client, 0x0005, 0x0000); | |
230 | for (i = 5; i >= 0; i--) | |
8a4b275f | 231 | msp_write_dem(client, 0x0005, data->fir2[i]); |
7e8b09ea | 232 | |
8a4b275f | 233 | msp_write_dem(client, 0x0083, data->mode_reg); |
7e8b09ea | 234 | |
8a4b275f | 235 | msp3400c_set_carrier(client, data->cdo1, data->cdo2); |
7e8b09ea | 236 | |
8a4b275f | 237 | msp_set_source(client, data->dsp_src); |
de533ccf | 238 | /* set prescales */ |
7e8b09ea | 239 | |
de533ccf HV |
240 | /* volume prescale for SCART (AM mono input) */ |
241 | msp_write_dsp(client, 0x000d, 0x1900); | |
242 | msp_write_dsp(client, 0x000e, data->dsp_matrix); | |
243 | if (state->has_nicam) /* nicam prescale */ | |
244 | msp_write_dsp(client, 0x0010, 0x5a00); | |
7e8b09ea HV |
245 | } |
246 | ||
8a4b275f HV |
247 | /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP, |
248 | nor do they support stereo BTSC. */ | |
044f324f | 249 | static void msp3400c_set_audmode(struct i2c_client *client) |
7e8b09ea | 250 | { |
d52c7385 HV |
251 | static char *strmode[] = { |
252 | "mono", "stereo", "lang2", "lang1", "lang1+lang2" | |
253 | }; | |
76efd62f | 254 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
301e22d6 | 255 | char *modestr = (state->audmode >= 0 && state->audmode < 5) ? |
8a4b275f HV |
256 | strmode[state->audmode] : "unknown"; |
257 | int src = 0; /* channel source: FM/AM, nicam or SCART */ | |
7061561e | 258 | int audmode = state->audmode; |
7e8b09ea HV |
259 | |
260 | if (state->opmode == OPMODE_AUTOSELECT) { | |
261 | /* this method would break everything, let's make sure | |
262 | * it's never called | |
263 | */ | |
39ad799a | 264 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
8a4b275f HV |
265 | "set_audmode called with mode=%d instead of set_source (ignored)\n", |
266 | state->audmode); | |
7e8b09ea HV |
267 | return; |
268 | } | |
269 | ||
0020d3ef HV |
270 | /* Note: for the C and D revs no NTSC stereo + SAP is possible as |
271 | the hardware does not support SAP. So the rxsubchans combination | |
272 | of STEREO | LANG2 does not occur. */ | |
273 | ||
2eb606db HV |
274 | if (state->mode != MSP_MODE_EXTERN) { |
275 | /* switch to mono if only mono is available */ | |
276 | if (state->rxsubchans == V4L2_TUNER_SUB_MONO) | |
277 | audmode = V4L2_TUNER_MODE_MONO; | |
278 | /* if bilingual */ | |
279 | else if (state->rxsubchans & V4L2_TUNER_SUB_LANG2) { | |
280 | /* and mono or stereo, then fallback to lang1 */ | |
281 | if (audmode == V4L2_TUNER_MODE_MONO || | |
282 | audmode == V4L2_TUNER_MODE_STEREO) | |
283 | audmode = V4L2_TUNER_MODE_LANG1; | |
284 | } | |
285 | /* if stereo, and audmode is not mono, then switch to stereo */ | |
286 | else if (audmode != V4L2_TUNER_MODE_MONO) | |
287 | audmode = V4L2_TUNER_MODE_STEREO; | |
0020d3ef | 288 | } |
7061561e | 289 | |
7e8b09ea HV |
290 | /* switch demodulator */ |
291 | switch (state->mode) { | |
292 | case MSP_MODE_FM_TERRA: | |
39ad799a | 293 | dev_dbg_lvl(&client->dev, 1, msp_debug, "FM set_audmode: %s\n", modestr); |
7061561e | 294 | switch (audmode) { |
7e8b09ea HV |
295 | case V4L2_TUNER_MODE_STEREO: |
296 | msp_write_dsp(client, 0x000e, 0x3001); | |
297 | break; | |
298 | case V4L2_TUNER_MODE_MONO: | |
299 | case V4L2_TUNER_MODE_LANG1: | |
300 | case V4L2_TUNER_MODE_LANG2: | |
301e22d6 | 301 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7e8b09ea HV |
302 | msp_write_dsp(client, 0x000e, 0x3000); |
303 | break; | |
304 | } | |
305 | break; | |
306 | case MSP_MODE_FM_SAT: | |
39ad799a | 307 | dev_dbg_lvl(&client->dev, 1, msp_debug, "SAT set_audmode: %s\n", modestr); |
7061561e | 308 | switch (audmode) { |
7e8b09ea | 309 | case V4L2_TUNER_MODE_MONO: |
8a4b275f | 310 | msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); |
7e8b09ea HV |
311 | break; |
312 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 313 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 314 | msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); |
7e8b09ea HV |
315 | break; |
316 | case V4L2_TUNER_MODE_LANG1: | |
8a4b275f | 317 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
318 | break; |
319 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 320 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
321 | break; |
322 | } | |
323 | break; | |
324 | case MSP_MODE_FM_NICAM1: | |
325 | case MSP_MODE_FM_NICAM2: | |
326 | case MSP_MODE_AM_NICAM: | |
39ad799a | 327 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 328 | "NICAM set_audmode: %s\n", modestr); |
7e8b09ea | 329 | if (state->nicam_on) |
8a4b275f | 330 | src = 0x0100; /* NICAM */ |
7e8b09ea HV |
331 | break; |
332 | case MSP_MODE_BTSC: | |
39ad799a | 333 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 334 | "BTSC set_audmode: %s\n", modestr); |
7e8b09ea HV |
335 | break; |
336 | case MSP_MODE_EXTERN: | |
39ad799a | 337 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 338 | "extern set_audmode: %s\n", modestr); |
8a4b275f | 339 | src = 0x0200; /* SCART */ |
7e8b09ea HV |
340 | break; |
341 | case MSP_MODE_FM_RADIO: | |
39ad799a | 342 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 343 | "FM-Radio set_audmode: %s\n", modestr); |
7e8b09ea HV |
344 | break; |
345 | default: | |
39ad799a | 346 | dev_dbg_lvl(&client->dev, 1, msp_debug, "mono set_audmode\n"); |
7e8b09ea HV |
347 | return; |
348 | } | |
349 | ||
350 | /* switch audio */ | |
39ad799a | 351 | dev_dbg_lvl(&client->dev, 1, msp_debug, "set audmode %d\n", audmode); |
7061561e | 352 | switch (audmode) { |
7e8b09ea | 353 | case V4L2_TUNER_MODE_STEREO: |
301e22d6 | 354 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 355 | src |= 0x0020; |
7e8b09ea HV |
356 | break; |
357 | case V4L2_TUNER_MODE_MONO: | |
358 | if (state->mode == MSP_MODE_AM_NICAM) { | |
39ad799a | 359 | dev_dbg_lvl(&client->dev, 1, msp_debug, "switching to AM mono\n"); |
7e8b09ea HV |
360 | /* AM mono decoding is handled by tuner, not MSP chip */ |
361 | /* SCART switching control register */ | |
362 | msp_set_scart(client, SCART_MONO, 0); | |
363 | src = 0x0200; | |
364 | break; | |
365 | } | |
8a4b275f HV |
366 | if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) |
367 | src = 0x0030; | |
368 | break; | |
7e8b09ea | 369 | case V4L2_TUNER_MODE_LANG1: |
7e8b09ea HV |
370 | break; |
371 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 372 | src |= 0x0010; |
7e8b09ea HV |
373 | break; |
374 | } | |
39ad799a | 375 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 376 | "set_audmode final source/matrix = 0x%x\n", src); |
7e8b09ea | 377 | |
8a4b275f | 378 | msp_set_source(client, src); |
7e8b09ea HV |
379 | } |
380 | ||
381 | static void msp3400c_print_mode(struct i2c_client *client) | |
382 | { | |
76efd62f | 383 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 384 | |
d52c7385 | 385 | if (state->main == state->second) |
39ad799a | 386 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 HV |
387 | "mono sound carrier: %d.%03d MHz\n", |
388 | state->main / 910000, (state->main / 910) % 1000); | |
389 | else | |
39ad799a | 390 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 HV |
391 | "main sound carrier: %d.%03d MHz\n", |
392 | state->main / 910000, (state->main / 910) % 1000); | |
7e8b09ea | 393 | if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2) |
39ad799a | 394 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 HV |
395 | "NICAM/FM carrier : %d.%03d MHz\n", |
396 | state->second / 910000, (state->second/910) % 1000); | |
7e8b09ea | 397 | if (state->mode == MSP_MODE_AM_NICAM) |
39ad799a | 398 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 HV |
399 | "NICAM/AM carrier : %d.%03d MHz\n", |
400 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea | 401 | if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) { |
39ad799a | 402 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 HV |
403 | "FM-stereo carrier : %d.%03d MHz\n", |
404 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea HV |
405 | } |
406 | } | |
407 | ||
408 | /* ----------------------------------------------------------------------- */ | |
409 | ||
8a4b275f | 410 | static int msp3400c_detect_stereo(struct i2c_client *client) |
7e8b09ea | 411 | { |
76efd62f | 412 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea HV |
413 | int val; |
414 | int rxsubchans = state->rxsubchans; | |
8a4b275f | 415 | int newnicam = state->nicam_on; |
7e8b09ea HV |
416 | int update = 0; |
417 | ||
418 | switch (state->mode) { | |
419 | case MSP_MODE_FM_TERRA: | |
420 | val = msp_read_dsp(client, 0x18); | |
421 | if (val > 32767) | |
422 | val -= 65536; | |
39ad799a | 423 | dev_dbg_lvl(&client->dev, 2, msp_debug, |
d52c7385 | 424 | "stereo detect register: %d\n", val); |
3bbe5a83 | 425 | if (val > 8192) { |
8a4b275f | 426 | rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea HV |
427 | } else if (val < -4096) { |
428 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
429 | } else { | |
430 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
431 | } | |
432 | newnicam = 0; | |
433 | break; | |
434 | case MSP_MODE_FM_NICAM1: | |
435 | case MSP_MODE_FM_NICAM2: | |
436 | case MSP_MODE_AM_NICAM: | |
437 | val = msp_read_dem(client, 0x23); | |
39ad799a | 438 | dev_dbg_lvl(&client->dev, 2, msp_debug, "nicam sync=%d, mode=%d\n", |
7e8b09ea HV |
439 | val & 1, (val & 0x1e) >> 1); |
440 | ||
441 | if (val & 1) { | |
442 | /* nicam synced */ | |
443 | switch ((val & 0x1e) >> 1) { | |
444 | case 0: | |
445 | case 8: | |
446 | rxsubchans = V4L2_TUNER_SUB_STEREO; | |
447 | break; | |
448 | case 1: | |
449 | case 9: | |
8a4b275f | 450 | rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea HV |
451 | break; |
452 | case 2: | |
453 | case 10: | |
8a4b275f | 454 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
7e8b09ea HV |
455 | break; |
456 | default: | |
457 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
458 | break; | |
459 | } | |
460 | newnicam = 1; | |
461 | } else { | |
462 | newnicam = 0; | |
463 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
464 | } | |
465 | break; | |
7e8b09ea HV |
466 | } |
467 | if (rxsubchans != state->rxsubchans) { | |
468 | update = 1; | |
39ad799a | 469 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 470 | "watch: rxsubchans %02x => %02x\n", |
8a4b275f | 471 | state->rxsubchans, rxsubchans); |
7e8b09ea HV |
472 | state->rxsubchans = rxsubchans; |
473 | } | |
474 | if (newnicam != state->nicam_on) { | |
475 | update = 1; | |
39ad799a | 476 | dev_dbg_lvl(&client->dev, 1, msp_debug, "watch: nicam %d => %d\n", |
8a4b275f | 477 | state->nicam_on, newnicam); |
7e8b09ea HV |
478 | state->nicam_on = newnicam; |
479 | } | |
480 | return update; | |
481 | } | |
482 | ||
483 | /* | |
484 | * A kernel thread for msp3400 control -- we don't want to block the | |
485 | * in the ioctl while doing the sound carrier & stereo detect | |
486 | */ | |
487 | /* stereo/multilang monitoring */ | |
488 | static void watch_stereo(struct i2c_client *client) | |
489 | { | |
76efd62f | 490 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 491 | |
d52c7385 | 492 | if (msp_detect_stereo(client)) |
de533ccf | 493 | msp_set_audmode(client); |
7e8b09ea | 494 | |
f167cb4e | 495 | if (msp_once) |
7e8b09ea HV |
496 | state->watch_stereo = 0; |
497 | } | |
498 | ||
499 | int msp3400c_thread(void *data) | |
500 | { | |
501 | struct i2c_client *client = data; | |
76efd62f | 502 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 503 | struct msp3400c_carrier_detect *cd; |
d52c7385 | 504 | int count, max1, max2, val1, val2, val, i; |
7e8b09ea | 505 | |
39ad799a | 506 | dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3400 daemon started\n"); |
5d1ed986 | 507 | state->detected_std = V4L2_STD_ALL; |
83144186 | 508 | set_freezable(); |
7e8b09ea | 509 | for (;;) { |
39ad799a | 510 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: sleep\n"); |
7e8b09ea | 511 | msp_sleep(state, -1); |
39ad799a | 512 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3400 thread: wakeup\n"); |
7e8b09ea | 513 | |
d52c7385 | 514 | restart: |
39ad799a | 515 | dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n"); |
7e8b09ea HV |
516 | state->restart = 0; |
517 | if (kthread_should_stop()) | |
518 | break; | |
519 | ||
7560d7a4 | 520 | if (state->radio || MSP_MODE_EXTERN == state->mode) { |
7e8b09ea | 521 | /* no carrier scan, just unmute */ |
39ad799a | 522 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 523 | "thread: no carrier scan\n"); |
3bbe5a83 | 524 | state->scan_in_progress = 0; |
ebc3bba5 | 525 | msp_update_volume(state); |
7e8b09ea HV |
526 | continue; |
527 | } | |
528 | ||
3bbe5a83 HV |
529 | /* mute audio */ |
530 | state->scan_in_progress = 1; | |
ebc3bba5 | 531 | msp_update_volume(state); |
0020d3ef | 532 | |
de533ccf | 533 | msp3400c_set_mode(client, MSP_MODE_AM_DETECT); |
7e8b09ea HV |
534 | val1 = val2 = 0; |
535 | max1 = max2 = -1; | |
536 | state->watch_stereo = 0; | |
8a4b275f | 537 | state->nicam_on = 0; |
7e8b09ea | 538 | |
3bbe5a83 | 539 | /* wait for tuner to settle down after a channel change */ |
8a4b275f | 540 | if (msp_sleep(state, 200)) |
7e8b09ea HV |
541 | goto restart; |
542 | ||
543 | /* carrier detect pass #1 -- main carrier */ | |
544 | cd = msp3400c_carrier_detect_main; | |
545 | count = ARRAY_SIZE(msp3400c_carrier_detect_main); | |
546 | ||
f167cb4e | 547 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
548 | /* autodetect doesn't work well with AM ... */ |
549 | max1 = 3; | |
550 | count = 0; | |
39ad799a | 551 | dev_dbg_lvl(&client->dev, 1, msp_debug, "AM sound override\n"); |
7e8b09ea HV |
552 | } |
553 | ||
d52c7385 HV |
554 | for (i = 0; i < count; i++) { |
555 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
556 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
557 | goto restart; |
558 | val = msp_read_dsp(client, 0x1b); | |
559 | if (val > 32767) | |
560 | val -= 65536; | |
561 | if (val1 < val) | |
d52c7385 | 562 | val1 = val, max1 = i; |
39ad799a | 563 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 564 | "carrier1 val: %5d / %s\n", val, cd[i].name); |
7e8b09ea HV |
565 | } |
566 | ||
567 | /* carrier detect pass #2 -- second (stereo) carrier */ | |
568 | switch (max1) { | |
569 | case 1: /* 5.5 */ | |
570 | cd = msp3400c_carrier_detect_55; | |
571 | count = ARRAY_SIZE(msp3400c_carrier_detect_55); | |
572 | break; | |
573 | case 3: /* 6.5 */ | |
574 | cd = msp3400c_carrier_detect_65; | |
575 | count = ARRAY_SIZE(msp3400c_carrier_detect_65); | |
576 | break; | |
577 | case 0: /* 4.5 */ | |
578 | case 2: /* 6.0 */ | |
579 | default: | |
580 | cd = NULL; | |
581 | count = 0; | |
582 | break; | |
583 | } | |
584 | ||
f167cb4e | 585 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
586 | /* autodetect doesn't work well with AM ... */ |
587 | cd = NULL; | |
588 | count = 0; | |
589 | max2 = 0; | |
590 | } | |
d52c7385 HV |
591 | for (i = 0; i < count; i++) { |
592 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
593 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
594 | goto restart; |
595 | val = msp_read_dsp(client, 0x1b); | |
596 | if (val > 32767) | |
597 | val -= 65536; | |
598 | if (val2 < val) | |
d52c7385 | 599 | val2 = val, max2 = i; |
39ad799a | 600 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 601 | "carrier2 val: %5d / %s\n", val, cd[i].name); |
7e8b09ea HV |
602 | } |
603 | ||
604 | /* program the msp3400 according to the results */ | |
8a4b275f | 605 | state->main = msp3400c_carrier_detect_main[max1].cdo; |
7e8b09ea HV |
606 | switch (max1) { |
607 | case 1: /* 5.5 */ | |
5d1ed986 | 608 | state->detected_std = V4L2_STD_BG | V4L2_STD_PAL_H; |
7e8b09ea HV |
609 | if (max2 == 0) { |
610 | /* B/G FM-stereo */ | |
611 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 612 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 613 | state->watch_stereo = 1; |
7560d7a4 | 614 | } else if (max2 == 1 && state->has_nicam) { |
7e8b09ea HV |
615 | /* B/G NICAM */ |
616 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 617 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 618 | state->nicam_on = 1; |
7e8b09ea HV |
619 | state->watch_stereo = 1; |
620 | } else { | |
621 | goto no_second; | |
622 | } | |
623 | break; | |
624 | case 2: /* 6.0 */ | |
625 | /* PAL I NICAM */ | |
5d1ed986 | 626 | state->detected_std = V4L2_STD_PAL_I; |
7e8b09ea | 627 | state->second = MSP_CARRIER(6.552); |
8a4b275f | 628 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM2); |
7e8b09ea | 629 | state->nicam_on = 1; |
7e8b09ea HV |
630 | state->watch_stereo = 1; |
631 | break; | |
632 | case 3: /* 6.5 */ | |
633 | if (max2 == 1 || max2 == 2) { | |
634 | /* D/K FM-stereo */ | |
635 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 636 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 637 | state->watch_stereo = 1; |
5d1ed986 | 638 | state->detected_std = V4L2_STD_DK; |
5af0c8f6 | 639 | } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
640 | /* L NICAM or AM-mono */ |
641 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 642 | msp3400c_set_mode(client, MSP_MODE_AM_NICAM); |
7e8b09ea | 643 | state->watch_stereo = 1; |
5d1ed986 | 644 | state->detected_std = V4L2_STD_L; |
7560d7a4 | 645 | } else if (max2 == 0 && state->has_nicam) { |
7e8b09ea HV |
646 | /* D/K NICAM */ |
647 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 648 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 649 | state->nicam_on = 1; |
7e8b09ea | 650 | state->watch_stereo = 1; |
5d1ed986 | 651 | state->detected_std = V4L2_STD_DK; |
7e8b09ea HV |
652 | } else { |
653 | goto no_second; | |
654 | } | |
655 | break; | |
656 | case 0: /* 4.5 */ | |
5d1ed986 | 657 | state->detected_std = V4L2_STD_MN; |
7e8b09ea | 658 | default: |
d52c7385 | 659 | no_second: |
7e8b09ea | 660 | state->second = msp3400c_carrier_detect_main[max1].cdo; |
8a4b275f | 661 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea HV |
662 | break; |
663 | } | |
0020d3ef | 664 | msp3400c_set_carrier(client, state->second, state->main); |
7e8b09ea | 665 | |
3bbe5a83 HV |
666 | /* unmute */ |
667 | state->scan_in_progress = 0; | |
8a4b275f | 668 | msp3400c_set_audmode(client); |
ebc3bba5 | 669 | msp_update_volume(state); |
7e8b09ea | 670 | |
f167cb4e | 671 | if (msp_debug) |
7e8b09ea HV |
672 | msp3400c_print_mode(client); |
673 | ||
8a4b275f HV |
674 | /* monitor tv audio mode, the first time don't wait |
675 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 676 | count = 3; |
7e8b09ea | 677 | while (state->watch_stereo) { |
3bbe5a83 | 678 | if (msp_sleep(state, count ? 1000 : 5000)) |
7e8b09ea | 679 | goto restart; |
d52c7385 HV |
680 | if (count) |
681 | count--; | |
3bbe5a83 | 682 | watch_stereo(client); |
7e8b09ea HV |
683 | } |
684 | } | |
39ad799a | 685 | dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n"); |
7e8b09ea HV |
686 | return 0; |
687 | } | |
688 | ||
689 | ||
690 | int msp3410d_thread(void *data) | |
691 | { | |
692 | struct i2c_client *client = data; | |
76efd62f | 693 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
0020d3ef | 694 | int val, i, std, count; |
7e8b09ea | 695 | |
39ad799a | 696 | dev_dbg_lvl(&client->dev, 1, msp_debug, "msp3410 daemon started\n"); |
5d1ed986 | 697 | state->detected_std = V4L2_STD_ALL; |
83144186 | 698 | set_freezable(); |
7e8b09ea | 699 | for (;;) { |
39ad799a | 700 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: sleep\n"); |
d52c7385 | 701 | msp_sleep(state, -1); |
39ad799a | 702 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp3410 thread: wakeup\n"); |
7e8b09ea | 703 | |
d52c7385 | 704 | restart: |
39ad799a | 705 | dev_dbg_lvl(&client->dev, 2, msp_debug, "thread: restart scan\n"); |
7e8b09ea HV |
706 | state->restart = 0; |
707 | if (kthread_should_stop()) | |
708 | break; | |
709 | ||
710 | if (state->mode == MSP_MODE_EXTERN) { | |
711 | /* no carrier scan needed, just unmute */ | |
39ad799a | 712 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 713 | "thread: no carrier scan\n"); |
3bbe5a83 | 714 | state->scan_in_progress = 0; |
ebc3bba5 | 715 | msp_update_volume(state); |
7e8b09ea HV |
716 | continue; |
717 | } | |
718 | ||
3bbe5a83 HV |
719 | /* mute audio */ |
720 | state->scan_in_progress = 1; | |
ebc3bba5 | 721 | msp_update_volume(state); |
7e8b09ea | 722 | |
de533ccf | 723 | /* start autodetect. Note: autodetect is not supported for |
d52c7385 HV |
724 | NTSC-M and radio, hence we force the standard in those |
725 | cases. */ | |
5af0c8f6 HV |
726 | if (state->radio) |
727 | std = 0x40; | |
d312a46e | 728 | else |
5af0c8f6 | 729 | std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; |
7e8b09ea | 730 | state->watch_stereo = 0; |
8a4b275f | 731 | state->nicam_on = 0; |
7e8b09ea | 732 | |
3bbe5a83 HV |
733 | /* wait for tuner to settle down after a channel change */ |
734 | if (msp_sleep(state, 200)) | |
735 | goto restart; | |
736 | ||
f167cb4e | 737 | if (msp_debug) |
39ad799a | 738 | dev_dbg_lvl(&client->dev, 2, msp_debug, |
d52c7385 HV |
739 | "setting standard: %s (0x%04x)\n", |
740 | msp_standard_std_name(std), std); | |
7e8b09ea HV |
741 | |
742 | if (std != 1) { | |
743 | /* programmed some specific mode */ | |
744 | val = std; | |
745 | } else { | |
746 | /* triggered autodetect */ | |
5af0c8f6 | 747 | msp_write_dem(client, 0x20, std); |
7e8b09ea | 748 | for (;;) { |
d312a46e | 749 | if (msp_sleep(state, 100)) |
7e8b09ea HV |
750 | goto restart; |
751 | ||
752 | /* check results */ | |
753 | val = msp_read_dem(client, 0x7e); | |
754 | if (val < 0x07ff) | |
755 | break; | |
39ad799a | 756 | dev_dbg_lvl(&client->dev, 2, msp_debug, |
d52c7385 | 757 | "detection still in progress\n"); |
7e8b09ea HV |
758 | } |
759 | } | |
5af0c8f6 HV |
760 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
761 | if (msp_stdlist[i].retval == val) | |
7e8b09ea | 762 | break; |
39ad799a | 763 | dev_dbg_lvl(&client->dev, 1, msp_debug, "current standard: %s (0x%04x)\n", |
5af0c8f6 HV |
764 | msp_standard_std_name(val), val); |
765 | state->main = msp_stdlist[i].main; | |
766 | state->second = msp_stdlist[i].second; | |
767 | state->std = val; | |
3bbe5a83 | 768 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
5af0c8f6 | 769 | |
d52c7385 HV |
770 | if (msp_amsound && !state->radio && |
771 | (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) { | |
7e8b09ea | 772 | /* autodetection has failed, let backup */ |
39ad799a | 773 | dev_dbg_lvl(&client->dev, 1, msp_debug, "autodetection failed, switching to backup standard: %s (0x%04x)\n", |
d52c7385 HV |
774 | msp_stdlist[8].name ? |
775 | msp_stdlist[8].name : "unknown", val); | |
de533ccf | 776 | state->std = val = 0x0009; |
7e8b09ea | 777 | msp_write_dem(client, 0x20, val); |
5d1ed986 MCC |
778 | } else { |
779 | state->detected_std = msp_standard_std(state->std); | |
7e8b09ea HV |
780 | } |
781 | ||
7e8b09ea HV |
782 | /* set stereo */ |
783 | switch (val) { | |
784 | case 0x0008: /* B/G NICAM */ | |
785 | case 0x000a: /* I NICAM */ | |
de533ccf HV |
786 | case 0x000b: /* D/K NICAM */ |
787 | if (val == 0x000a) | |
7e8b09ea | 788 | state->mode = MSP_MODE_FM_NICAM2; |
de533ccf HV |
789 | else |
790 | state->mode = MSP_MODE_FM_NICAM1; | |
7e8b09ea | 791 | /* just turn on stereo */ |
7e8b09ea HV |
792 | state->nicam_on = 1; |
793 | state->watch_stereo = 1; | |
7e8b09ea HV |
794 | break; |
795 | case 0x0009: | |
796 | state->mode = MSP_MODE_AM_NICAM; | |
7e8b09ea | 797 | state->nicam_on = 1; |
7e8b09ea HV |
798 | state->watch_stereo = 1; |
799 | break; | |
800 | case 0x0020: /* BTSC */ | |
8a4b275f | 801 | /* The pre-'G' models only have BTSC-mono */ |
7e8b09ea | 802 | state->mode = MSP_MODE_BTSC; |
7e8b09ea HV |
803 | break; |
804 | case 0x0040: /* FM radio */ | |
7560d7a4 | 805 | state->mode = MSP_MODE_FM_RADIO; |
7e8b09ea | 806 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7560d7a4 | 807 | /* not needed in theory if we have radio, but |
7e8b09ea | 808 | short programming enables carrier mute */ |
8a4b275f HV |
809 | msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
810 | msp3400c_set_carrier(client, MSP_CARRIER(10.7), | |
7e8b09ea | 811 | MSP_CARRIER(10.7)); |
7e8b09ea | 812 | break; |
de533ccf | 813 | case 0x0002: |
7e8b09ea HV |
814 | case 0x0003: |
815 | case 0x0004: | |
816 | case 0x0005: | |
5af0c8f6 | 817 | state->mode = MSP_MODE_FM_TERRA; |
7e8b09ea HV |
818 | state->watch_stereo = 1; |
819 | break; | |
820 | } | |
821 | ||
de533ccf HV |
822 | /* set various prescales */ |
823 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ | |
824 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
825 | if (state->has_nicam) | |
826 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
827 | ||
5af0c8f6 HV |
828 | if (state->has_i2s_conf) |
829 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea | 830 | |
3bbe5a83 | 831 | /* unmute */ |
8a4b275f | 832 | msp3400c_set_audmode(client); |
3bbe5a83 | 833 | state->scan_in_progress = 0; |
ebc3bba5 | 834 | msp_update_volume(state); |
8a4b275f HV |
835 | |
836 | /* monitor tv audio mode, the first time don't wait | |
837 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 838 | count = 3; |
7e8b09ea | 839 | while (state->watch_stereo) { |
3bbe5a83 | 840 | if (msp_sleep(state, count ? 1000 : 5000)) |
8a4b275f | 841 | goto restart; |
d52c7385 HV |
842 | if (count) |
843 | count--; | |
3bbe5a83 | 844 | watch_stereo(client); |
7e8b09ea HV |
845 | } |
846 | } | |
39ad799a | 847 | dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n"); |
7e8b09ea HV |
848 | return 0; |
849 | } | |
850 | ||
851 | /* ----------------------------------------------------------------------- */ | |
852 | ||
de533ccf HV |
853 | /* msp34xxG + (autoselect no-thread) |
854 | * this one uses both automatic standard detection and automatic sound | |
855 | * select which are available in the newer G versions | |
856 | * struct msp: only norm, acb and source are really used in this mode | |
857 | */ | |
7e8b09ea | 858 | |
9a80a93d HV |
859 | static int msp34xxg_modus(struct i2c_client *client) |
860 | { | |
76efd62f | 861 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
9a80a93d HV |
862 | |
863 | if (state->radio) { | |
39ad799a | 864 | dev_dbg_lvl(&client->dev, 1, msp_debug, "selected radio modus\n"); |
9a80a93d HV |
865 | return 0x0001; |
866 | } | |
9a80a93d | 867 | if (state->v4l2_std == V4L2_STD_NTSC_M_JP) { |
39ad799a | 868 | dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (EIA-J) modus\n"); |
9a80a93d HV |
869 | return 0x4001; |
870 | } | |
871 | if (state->v4l2_std == V4L2_STD_NTSC_M_KR) { | |
39ad799a | 872 | dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (A2) modus\n"); |
9a80a93d HV |
873 | return 0x0001; |
874 | } | |
2fd3c14c | 875 | if (state->v4l2_std == V4L2_STD_SECAM_L) { |
39ad799a | 876 | dev_dbg_lvl(&client->dev, 1, msp_debug, "selected SECAM-L modus\n"); |
2fd3c14c HV |
877 | return 0x6001; |
878 | } | |
9a80a93d | 879 | if (state->v4l2_std & V4L2_STD_MN) { |
39ad799a | 880 | dev_dbg_lvl(&client->dev, 1, msp_debug, "selected M (BTSC) modus\n"); |
9a80a93d HV |
881 | return 0x2001; |
882 | } | |
2fd3c14c | 883 | return 0x7001; |
9a80a93d HV |
884 | } |
885 | ||
2474ed44 HV |
886 | static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in) |
887 | { | |
76efd62f | 888 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
2474ed44 HV |
889 | int source, matrix; |
890 | ||
891 | switch (state->audmode) { | |
892 | case V4L2_TUNER_MODE_MONO: | |
893 | source = 0; /* mono only */ | |
894 | matrix = 0x30; | |
895 | break; | |
2474ed44 HV |
896 | case V4L2_TUNER_MODE_LANG2: |
897 | source = 4; /* stereo or B */ | |
898 | matrix = 0x10; | |
899 | break; | |
301e22d6 | 900 | case V4L2_TUNER_MODE_LANG1_LANG2: |
2474ed44 HV |
901 | source = 1; /* stereo or A|B */ |
902 | matrix = 0x20; | |
903 | break; | |
0020d3ef | 904 | case V4L2_TUNER_MODE_LANG1: |
0020d3ef HV |
905 | source = 3; /* stereo or A */ |
906 | matrix = 0x00; | |
907 | break; | |
b331def2 HV |
908 | case V4L2_TUNER_MODE_STEREO: |
909 | default: | |
910 | source = 3; /* stereo or A */ | |
911 | matrix = 0x20; | |
912 | break; | |
2474ed44 HV |
913 | } |
914 | ||
07151724 | 915 | if (in == MSP_DSP_IN_TUNER) |
2474ed44 HV |
916 | source = (source << 8) | 0x20; |
917 | /* the msp34x2g puts the MAIN_AVC, MAIN and AUX sources in 12, 13, 14 | |
918 | instead of 11, 12, 13. So we add one for that msp version. */ | |
07151724 | 919 | else if (in >= MSP_DSP_IN_MAIN_AVC && state->has_dolby_pro_logic) |
2474ed44 HV |
920 | source = ((in + 1) << 8) | matrix; |
921 | else | |
922 | source = (in << 8) | matrix; | |
923 | ||
39ad799a | 924 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 925 | "set source to %d (0x%x) for output %02x\n", in, source, reg); |
2474ed44 HV |
926 | msp_write_dsp(client, reg, source); |
927 | } | |
928 | ||
929 | static void msp34xxg_set_sources(struct i2c_client *client) | |
930 | { | |
76efd62f | 931 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
5325b427 | 932 | u32 in = state->route_in; |
2474ed44 HV |
933 | |
934 | msp34xxg_set_source(client, 0x0008, (in >> 4) & 0xf); | |
935 | /* quasi-peak detector is set to same input as the loudspeaker (MAIN) */ | |
936 | msp34xxg_set_source(client, 0x000c, (in >> 4) & 0xf); | |
937 | msp34xxg_set_source(client, 0x0009, (in >> 8) & 0xf); | |
938 | msp34xxg_set_source(client, 0x000a, (in >> 12) & 0xf); | |
0020d3ef | 939 | if (state->has_scart2_out) |
2474ed44 HV |
940 | msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf); |
941 | msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf); | |
942 | } | |
943 | ||
de533ccf HV |
944 | /* (re-)initialize the msp34xxg */ |
945 | static void msp34xxg_reset(struct i2c_client *client) | |
7e8b09ea | 946 | { |
76efd62f | 947 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
5325b427 | 948 | int tuner = (state->route_in >> 3) & 1; |
de533ccf | 949 | int modus; |
7e8b09ea | 950 | |
de533ccf HV |
951 | /* initialize std to 1 (autodetect) to signal that no standard is |
952 | selected yet. */ | |
953 | state->std = 1; | |
954 | ||
955 | msp_reset(client); | |
7e8b09ea | 956 | |
5af0c8f6 HV |
957 | if (state->has_i2s_conf) |
958 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea HV |
959 | |
960 | /* step-by-step initialisation, as described in the manual */ | |
9a80a93d | 961 | modus = msp34xxg_modus(client); |
2474ed44 | 962 | modus |= tuner ? 0x100 : 0; |
de533ccf | 963 | msp_write_dem(client, 0x30, modus); |
7e8b09ea HV |
964 | |
965 | /* write the dsps that may have an influence on | |
966 | standard/audio autodetection right now */ | |
2474ed44 | 967 | msp34xxg_set_sources(client); |
7e8b09ea | 968 | |
de533ccf HV |
969 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ |
970 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
971 | if (state->has_nicam) | |
972 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
7e8b09ea | 973 | |
de533ccf HV |
974 | /* set identification threshold. Personally, I |
975 | * I set it to a higher value than the default | |
976 | * of 0x190 to ignore noisy stereo signals. | |
977 | * this needs tuning. (recommended range 0x00a0-0x03c0) | |
978 | * 0x7f0 = forced mono mode | |
979 | * | |
980 | * a2 threshold for stereo/bilingual. | |
981 | * Note: this register is part of the Manual/Compatibility mode. | |
982 | * It is supported by all 'G'-family chips. | |
983 | */ | |
984 | msp_write_dem(client, 0x22, msp_stereo_thresh); | |
7e8b09ea HV |
985 | } |
986 | ||
987 | int msp34xxg_thread(void *data) | |
988 | { | |
989 | struct i2c_client *client = data; | |
76efd62f | 990 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
de533ccf | 991 | int val, i; |
7e8b09ea | 992 | |
39ad799a | 993 | dev_dbg_lvl(&client->dev, 1, msp_debug, "msp34xxg daemon started\n"); |
5d1ed986 | 994 | state->detected_std = V4L2_STD_ALL; |
83144186 | 995 | set_freezable(); |
7e8b09ea | 996 | for (;;) { |
39ad799a | 997 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: sleep\n"); |
7e8b09ea | 998 | msp_sleep(state, -1); |
39ad799a | 999 | dev_dbg_lvl(&client->dev, 2, msp_debug, "msp34xxg thread: wakeup\n"); |
7e8b09ea | 1000 | |
d52c7385 | 1001 | restart: |
39ad799a | 1002 | dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: restart scan\n"); |
7e8b09ea HV |
1003 | state->restart = 0; |
1004 | if (kthread_should_stop()) | |
1005 | break; | |
1006 | ||
2eb606db HV |
1007 | if (state->mode == MSP_MODE_EXTERN) { |
1008 | /* no carrier scan needed, just unmute */ | |
39ad799a | 1009 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 1010 | "thread: no carrier scan\n"); |
2eb606db | 1011 | state->scan_in_progress = 0; |
ebc3bba5 | 1012 | msp_update_volume(state); |
2eb606db HV |
1013 | continue; |
1014 | } | |
1015 | ||
7e8b09ea HV |
1016 | /* setup the chip*/ |
1017 | msp34xxg_reset(client); | |
de98cdaf HV |
1018 | state->std = state->radio ? 0x40 : |
1019 | (state->force_btsc && msp_standard == 1) ? 32 : msp_standard; | |
de533ccf | 1020 | msp_write_dem(client, 0x20, state->std); |
de98cdaf | 1021 | /* start autodetect */ |
e335fada HV |
1022 | if (state->std != 1) |
1023 | goto unmute; | |
7e8b09ea HV |
1024 | |
1025 | /* watch autodetect */ | |
39ad799a | 1026 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 1027 | "started autodetect, waiting for result\n"); |
7e8b09ea HV |
1028 | for (i = 0; i < 10; i++) { |
1029 | if (msp_sleep(state, 100)) | |
1030 | goto restart; | |
1031 | ||
1032 | /* check results */ | |
1033 | val = msp_read_dem(client, 0x7e); | |
1034 | if (val < 0x07ff) { | |
de533ccf | 1035 | state->std = val; |
7e8b09ea HV |
1036 | break; |
1037 | } | |
39ad799a | 1038 | dev_dbg_lvl(&client->dev, 2, msp_debug, |
d52c7385 | 1039 | "detection still in progress\n"); |
7e8b09ea | 1040 | } |
de533ccf | 1041 | if (state->std == 1) { |
39ad799a | 1042 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 1043 | "detection still in progress after 10 tries. giving up.\n"); |
7e8b09ea HV |
1044 | continue; |
1045 | } | |
1046 | ||
d52c7385 | 1047 | unmute: |
39ad799a | 1048 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 1049 | "detected standard: %s (0x%04x)\n", |
de533ccf | 1050 | msp_standard_std_name(state->std), state->std); |
5d1ed986 | 1051 | state->detected_std = msp_standard_std(state->std); |
7e8b09ea | 1052 | |
2eb606db HV |
1053 | if (state->std == 9) { |
1054 | /* AM NICAM mode */ | |
1055 | msp_write_dsp(client, 0x0e, 0x7c00); | |
1056 | } | |
1057 | ||
7e8b09ea | 1058 | /* unmute: dispatch sound to scart output, set scart volume */ |
ebc3bba5 | 1059 | msp_update_volume(state); |
7e8b09ea HV |
1060 | |
1061 | /* restore ACB */ | |
1062 | if (msp_write_dsp(client, 0x13, state->acb)) | |
1063 | return -1; | |
1064 | ||
de533ccf HV |
1065 | /* the periodic stereo/SAP check is only relevant for |
1066 | the 0x20 standard (BTSC) */ | |
1067 | if (state->std != 0x20) | |
1068 | continue; | |
1069 | ||
1070 | state->watch_stereo = 1; | |
1071 | ||
1072 | /* monitor tv audio mode, the first time don't wait | |
1073 | in order to get a quick stereo/SAP update */ | |
1074 | watch_stereo(client); | |
1075 | while (state->watch_stereo) { | |
1076 | watch_stereo(client); | |
1077 | if (msp_sleep(state, 5000)) | |
1078 | goto restart; | |
1079 | } | |
7e8b09ea | 1080 | } |
39ad799a | 1081 | dev_dbg_lvl(&client->dev, 1, msp_debug, "thread: exit\n"); |
7e8b09ea HV |
1082 | return 0; |
1083 | } | |
1084 | ||
de533ccf | 1085 | static int msp34xxg_detect_stereo(struct i2c_client *client) |
7e8b09ea | 1086 | { |
76efd62f | 1087 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea HV |
1088 | int status = msp_read_dem(client, 0x0200); |
1089 | int is_bilingual = status & 0x100; | |
1090 | int is_stereo = status & 0x40; | |
de533ccf | 1091 | int oldrx = state->rxsubchans; |
7e8b09ea | 1092 | |
b331def2 HV |
1093 | if (state->mode == MSP_MODE_EXTERN) |
1094 | return 0; | |
1095 | ||
7e8b09ea HV |
1096 | state->rxsubchans = 0; |
1097 | if (is_stereo) | |
8a4b275f | 1098 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea | 1099 | else |
8a4b275f | 1100 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea | 1101 | if (is_bilingual) { |
de533ccf HV |
1102 | if (state->std == 0x20) |
1103 | state->rxsubchans |= V4L2_TUNER_SUB_SAP; | |
1104 | else | |
d52c7385 HV |
1105 | state->rxsubchans = |
1106 | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
7e8b09ea | 1107 | } |
39ad799a | 1108 | dev_dbg_lvl(&client->dev, 1, msp_debug, |
d52c7385 | 1109 | "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", |
7e8b09ea | 1110 | status, is_stereo, is_bilingual, state->rxsubchans); |
de533ccf | 1111 | return (oldrx != state->rxsubchans); |
7e8b09ea HV |
1112 | } |
1113 | ||
044f324f | 1114 | static void msp34xxg_set_audmode(struct i2c_client *client) |
7e8b09ea | 1115 | { |
76efd62f | 1116 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 1117 | |
de533ccf HV |
1118 | if (state->std == 0x20) { |
1119 | if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) && | |
cc33668b | 1120 | (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 || |
de533ccf HV |
1121 | state->audmode == V4L2_TUNER_MODE_LANG2)) { |
1122 | msp_write_dem(client, 0x20, 0x21); | |
1123 | } else { | |
1124 | msp_write_dem(client, 0x20, 0x20); | |
1125 | } | |
1126 | } | |
1127 | ||
2474ed44 | 1128 | msp34xxg_set_sources(client); |
7e8b09ea HV |
1129 | } |
1130 | ||
8a4b275f HV |
1131 | void msp_set_audmode(struct i2c_client *client) |
1132 | { | |
76efd62f | 1133 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
1134 | |
1135 | switch (state->opmode) { | |
1136 | case OPMODE_MANUAL: | |
1137 | case OPMODE_AUTODETECT: | |
8a4b275f HV |
1138 | msp3400c_set_audmode(client); |
1139 | break; | |
1140 | case OPMODE_AUTOSELECT: | |
1141 | msp34xxg_set_audmode(client); | |
1142 | break; | |
1143 | } | |
1144 | } | |
1145 | ||
de533ccf | 1146 | int msp_detect_stereo(struct i2c_client *client) |
8a4b275f | 1147 | { |
76efd62f | 1148 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
1149 | |
1150 | switch (state->opmode) { | |
1151 | case OPMODE_MANUAL: | |
1152 | case OPMODE_AUTODETECT: | |
de533ccf | 1153 | return msp3400c_detect_stereo(client); |
8a4b275f | 1154 | case OPMODE_AUTOSELECT: |
de533ccf | 1155 | return msp34xxg_detect_stereo(client); |
8a4b275f | 1156 | } |
de533ccf | 1157 | return 0; |
8a4b275f HV |
1158 | } |
1159 |