Commit | Line | Data |
---|---|---|
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
d52c7385 HV |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 | * 02110-1301, USA. | |
7e8b09ea HV |
20 | */ |
21 | ||
22 | ||
23 | #include <linux/kernel.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/i2c.h> | |
83144186 | 27 | #include <linux/freezer.h> |
7e8b09ea HV |
28 | #include <linux/videodev2.h> |
29 | #include <media/v4l2-common.h> | |
49965a80 | 30 | #include <media/msp3400.h> |
7e8b09ea HV |
31 | #include <linux/kthread.h> |
32 | #include <linux/suspend.h> | |
49965a80 | 33 | #include "msp3400-driver.h" |
7e8b09ea HV |
34 | |
35 | /* this one uses the automatic sound standard detection of newer msp34xx | |
36 | chip versions */ | |
37 | static struct { | |
38 | int retval; | |
39 | int main, second; | |
40 | char *name; | |
5af0c8f6 | 41 | } msp_stdlist[] = { |
7e8b09ea HV |
42 | { 0x0000, 0, 0, "could not detect sound standard" }, |
43 | { 0x0001, 0, 0, "autodetect start" }, | |
44 | { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, | |
45 | { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, | |
46 | { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, | |
47 | { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, | |
48 | { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, | |
de533ccf | 49 | { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875), "6.5/5.74 D/K3 Dual FM-Stereo" }, |
7e8b09ea HV |
50 | { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, |
51 | { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, | |
52 | { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, | |
53 | { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, | |
54 | { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, | |
de533ccf | 55 | { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV3)" }, |
7e8b09ea HV |
56 | { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, |
57 | { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, | |
58 | { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, | |
59 | { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, | |
60 | { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, | |
61 | { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, | |
62 | { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, | |
63 | { -1, 0, 0, NULL }, /* EOF */ | |
64 | }; | |
65 | ||
66 | static struct msp3400c_init_data_dem { | |
67 | int fir1[6]; | |
68 | int fir2[6]; | |
69 | int cdo1; | |
70 | int cdo2; | |
71 | int ad_cv; | |
72 | int mode_reg; | |
73 | int dsp_src; | |
74 | int dsp_matrix; | |
75 | } msp3400c_init_data[] = { | |
76 | { /* AM (for carrier detect / msp3400) */ | |
77 | {75, 19, 36, 35, 39, 40}, | |
78 | {75, 19, 36, 35, 39, 40}, | |
79 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
80 | 0x00d0, 0x0500, 0x0020, 0x3000 | |
d52c7385 | 81 | }, { /* AM (for carrier detect / msp3410) */ |
7e8b09ea HV |
82 | {-1, -1, -8, 2, 59, 126}, |
83 | {-1, -1, -8, 2, 59, 126}, | |
84 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
85 | 0x00d0, 0x0100, 0x0020, 0x3000 | |
d52c7385 | 86 | }, { /* FM Radio */ |
7e8b09ea HV |
87 | {-8, -8, 4, 6, 78, 107}, |
88 | {-8, -8, 4, 6, 78, 107}, | |
89 | MSP_CARRIER(10.7), MSP_CARRIER(10.7), | |
90 | 0x00d0, 0x0480, 0x0020, 0x3000 | |
d52c7385 | 91 | }, { /* Terrestial FM-mono + FM-stereo */ |
7e8b09ea HV |
92 | {3, 18, 27, 48, 66, 72}, |
93 | {3, 18, 27, 48, 66, 72}, | |
94 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
95 | 0x00d0, 0x0480, 0x0030, 0x3000 | |
d52c7385 | 96 | }, { /* Sat FM-mono */ |
7e8b09ea HV |
97 | { 1, 9, 14, 24, 33, 37}, |
98 | { 3, 18, 27, 48, 66, 72}, | |
99 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
100 | 0x00c6, 0x0480, 0x0000, 0x3000 | |
d52c7385 | 101 | }, { /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ |
7e8b09ea HV |
102 | {-2, -8, -10, 10, 50, 86}, |
103 | {3, 18, 27, 48, 66, 72}, | |
104 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
105 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 106 | }, { /* NICAM/FM -- I (6.0/6.552) */ |
7e8b09ea HV |
107 | {2, 4, -6, -4, 40, 94}, |
108 | {3, 18, 27, 48, 66, 72}, | |
109 | MSP_CARRIER(6.0), MSP_CARRIER(6.0), | |
110 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 111 | }, { /* NICAM/AM -- L (6.5/5.85) */ |
7e8b09ea HV |
112 | {-2, -8, -10, 10, 50, 86}, |
113 | {-4, -12, -9, 23, 79, 126}, | |
114 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
8a4b275f | 115 | 0x00c6, 0x0140, 0x0120, 0x7c00 |
7e8b09ea HV |
116 | }, |
117 | }; | |
118 | ||
119 | struct msp3400c_carrier_detect { | |
120 | int cdo; | |
121 | char *name; | |
122 | }; | |
123 | ||
124 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { | |
125 | /* main carrier */ | |
126 | { MSP_CARRIER(4.5), "4.5 NTSC" }, | |
127 | { MSP_CARRIER(5.5), "5.5 PAL B/G" }, | |
128 | { MSP_CARRIER(6.0), "6.0 PAL I" }, | |
129 | { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } | |
130 | }; | |
131 | ||
132 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { | |
133 | /* PAL B/G */ | |
134 | { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, | |
135 | { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } | |
136 | }; | |
137 | ||
138 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { | |
139 | /* PAL SAT / SECAM */ | |
140 | { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, | |
141 | { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, | |
142 | { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, | |
143 | { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, | |
144 | { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, | |
145 | { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, | |
146 | }; | |
147 | ||
148 | /* ------------------------------------------------------------------------ */ | |
149 | ||
5af0c8f6 | 150 | const char *msp_standard_std_name(int std) |
7e8b09ea HV |
151 | { |
152 | int i; | |
153 | ||
5af0c8f6 HV |
154 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
155 | if (msp_stdlist[i].retval == std) | |
156 | return msp_stdlist[i].name; | |
7e8b09ea HV |
157 | return "unknown"; |
158 | } | |
159 | ||
044f324f | 160 | static void msp_set_source(struct i2c_client *client, u16 src) |
8a4b275f HV |
161 | { |
162 | struct msp_state *state = i2c_get_clientdata(client); | |
163 | ||
164 | if (msp_dolby) { | |
165 | msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */ | |
166 | msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */ | |
167 | } else { | |
168 | msp_write_dsp(client, 0x0008, src); | |
169 | msp_write_dsp(client, 0x0009, src); | |
170 | } | |
171 | msp_write_dsp(client, 0x000a, src); | |
172 | msp_write_dsp(client, 0x000b, src); | |
173 | msp_write_dsp(client, 0x000c, src); | |
0020d3ef | 174 | if (state->has_scart2_out) |
8a4b275f HV |
175 | msp_write_dsp(client, 0x0041, src); |
176 | } | |
177 | ||
178 | void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2) | |
7e8b09ea HV |
179 | { |
180 | msp_write_dem(client, 0x0093, cdo1 & 0xfff); | |
181 | msp_write_dem(client, 0x009b, cdo1 >> 12); | |
182 | msp_write_dem(client, 0x00a3, cdo2 & 0xfff); | |
183 | msp_write_dem(client, 0x00ab, cdo2 >> 12); | |
8a4b275f | 184 | msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */ |
7e8b09ea HV |
185 | } |
186 | ||
8a4b275f | 187 | void msp3400c_set_mode(struct i2c_client *client, int mode) |
7e8b09ea HV |
188 | { |
189 | struct msp_state *state = i2c_get_clientdata(client); | |
8a4b275f | 190 | struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode]; |
2474ed44 | 191 | int tuner = (state->routing.input >> 3) & 1; |
7e8b09ea HV |
192 | int i; |
193 | ||
8a4b275f HV |
194 | v4l_dbg(1, msp_debug, client, "set_mode: %d\n", mode); |
195 | state->mode = mode; | |
7e8b09ea HV |
196 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
197 | ||
2474ed44 | 198 | msp_write_dem(client, 0x00bb, data->ad_cv | (tuner ? 0x100 : 0)); |
7e8b09ea HV |
199 | |
200 | for (i = 5; i >= 0; i--) /* fir 1 */ | |
8a4b275f | 201 | msp_write_dem(client, 0x0001, data->fir1[i]); |
7e8b09ea HV |
202 | |
203 | msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ | |
204 | msp_write_dem(client, 0x0005, 0x0040); | |
205 | msp_write_dem(client, 0x0005, 0x0000); | |
206 | for (i = 5; i >= 0; i--) | |
8a4b275f | 207 | msp_write_dem(client, 0x0005, data->fir2[i]); |
7e8b09ea | 208 | |
8a4b275f | 209 | msp_write_dem(client, 0x0083, data->mode_reg); |
7e8b09ea | 210 | |
8a4b275f | 211 | msp3400c_set_carrier(client, data->cdo1, data->cdo2); |
7e8b09ea | 212 | |
8a4b275f | 213 | msp_set_source(client, data->dsp_src); |
de533ccf | 214 | /* set prescales */ |
7e8b09ea | 215 | |
de533ccf HV |
216 | /* volume prescale for SCART (AM mono input) */ |
217 | msp_write_dsp(client, 0x000d, 0x1900); | |
218 | msp_write_dsp(client, 0x000e, data->dsp_matrix); | |
219 | if (state->has_nicam) /* nicam prescale */ | |
220 | msp_write_dsp(client, 0x0010, 0x5a00); | |
7e8b09ea HV |
221 | } |
222 | ||
8a4b275f HV |
223 | /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP, |
224 | nor do they support stereo BTSC. */ | |
044f324f | 225 | static void msp3400c_set_audmode(struct i2c_client *client) |
7e8b09ea | 226 | { |
d52c7385 HV |
227 | static char *strmode[] = { |
228 | "mono", "stereo", "lang2", "lang1", "lang1+lang2" | |
229 | }; | |
7e8b09ea | 230 | struct msp_state *state = i2c_get_clientdata(client); |
301e22d6 | 231 | char *modestr = (state->audmode >= 0 && state->audmode < 5) ? |
8a4b275f HV |
232 | strmode[state->audmode] : "unknown"; |
233 | int src = 0; /* channel source: FM/AM, nicam or SCART */ | |
7061561e | 234 | int audmode = state->audmode; |
7e8b09ea HV |
235 | |
236 | if (state->opmode == OPMODE_AUTOSELECT) { | |
237 | /* this method would break everything, let's make sure | |
238 | * it's never called | |
239 | */ | |
8a4b275f HV |
240 | v4l_dbg(1, msp_debug, client, |
241 | "set_audmode called with mode=%d instead of set_source (ignored)\n", | |
242 | state->audmode); | |
7e8b09ea HV |
243 | return; |
244 | } | |
245 | ||
0020d3ef HV |
246 | /* Note: for the C and D revs no NTSC stereo + SAP is possible as |
247 | the hardware does not support SAP. So the rxsubchans combination | |
248 | of STEREO | LANG2 does not occur. */ | |
249 | ||
2eb606db HV |
250 | if (state->mode != MSP_MODE_EXTERN) { |
251 | /* switch to mono if only mono is available */ | |
252 | if (state->rxsubchans == V4L2_TUNER_SUB_MONO) | |
253 | audmode = V4L2_TUNER_MODE_MONO; | |
254 | /* if bilingual */ | |
255 | else if (state->rxsubchans & V4L2_TUNER_SUB_LANG2) { | |
256 | /* and mono or stereo, then fallback to lang1 */ | |
257 | if (audmode == V4L2_TUNER_MODE_MONO || | |
258 | audmode == V4L2_TUNER_MODE_STEREO) | |
259 | audmode = V4L2_TUNER_MODE_LANG1; | |
260 | } | |
261 | /* if stereo, and audmode is not mono, then switch to stereo */ | |
262 | else if (audmode != V4L2_TUNER_MODE_MONO) | |
263 | audmode = V4L2_TUNER_MODE_STEREO; | |
0020d3ef | 264 | } |
7061561e | 265 | |
7e8b09ea HV |
266 | /* switch demodulator */ |
267 | switch (state->mode) { | |
268 | case MSP_MODE_FM_TERRA: | |
8a4b275f | 269 | v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr); |
7061561e | 270 | switch (audmode) { |
7e8b09ea HV |
271 | case V4L2_TUNER_MODE_STEREO: |
272 | msp_write_dsp(client, 0x000e, 0x3001); | |
273 | break; | |
274 | case V4L2_TUNER_MODE_MONO: | |
275 | case V4L2_TUNER_MODE_LANG1: | |
276 | case V4L2_TUNER_MODE_LANG2: | |
301e22d6 | 277 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7e8b09ea HV |
278 | msp_write_dsp(client, 0x000e, 0x3000); |
279 | break; | |
280 | } | |
281 | break; | |
282 | case MSP_MODE_FM_SAT: | |
8a4b275f | 283 | v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr); |
7061561e | 284 | switch (audmode) { |
7e8b09ea | 285 | case V4L2_TUNER_MODE_MONO: |
8a4b275f | 286 | msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); |
7e8b09ea HV |
287 | break; |
288 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 289 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 290 | msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); |
7e8b09ea HV |
291 | break; |
292 | case V4L2_TUNER_MODE_LANG1: | |
8a4b275f | 293 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
294 | break; |
295 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 296 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
297 | break; |
298 | } | |
299 | break; | |
300 | case MSP_MODE_FM_NICAM1: | |
301 | case MSP_MODE_FM_NICAM2: | |
302 | case MSP_MODE_AM_NICAM: | |
d52c7385 HV |
303 | v4l_dbg(1, msp_debug, client, |
304 | "NICAM set_audmode: %s\n", modestr); | |
7e8b09ea | 305 | if (state->nicam_on) |
8a4b275f | 306 | src = 0x0100; /* NICAM */ |
7e8b09ea HV |
307 | break; |
308 | case MSP_MODE_BTSC: | |
d52c7385 HV |
309 | v4l_dbg(1, msp_debug, client, |
310 | "BTSC set_audmode: %s\n", modestr); | |
7e8b09ea HV |
311 | break; |
312 | case MSP_MODE_EXTERN: | |
d52c7385 HV |
313 | v4l_dbg(1, msp_debug, client, |
314 | "extern set_audmode: %s\n", modestr); | |
8a4b275f | 315 | src = 0x0200; /* SCART */ |
7e8b09ea HV |
316 | break; |
317 | case MSP_MODE_FM_RADIO: | |
d52c7385 HV |
318 | v4l_dbg(1, msp_debug, client, |
319 | "FM-Radio set_audmode: %s\n", modestr); | |
7e8b09ea HV |
320 | break; |
321 | default: | |
8a4b275f | 322 | v4l_dbg(1, msp_debug, client, "mono set_audmode\n"); |
7e8b09ea HV |
323 | return; |
324 | } | |
325 | ||
326 | /* switch audio */ | |
0020d3ef | 327 | v4l_dbg(1, msp_debug, client, "set audmode %d\n", audmode); |
7061561e | 328 | switch (audmode) { |
7e8b09ea | 329 | case V4L2_TUNER_MODE_STEREO: |
301e22d6 | 330 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 331 | src |= 0x0020; |
7e8b09ea HV |
332 | break; |
333 | case V4L2_TUNER_MODE_MONO: | |
334 | if (state->mode == MSP_MODE_AM_NICAM) { | |
f167cb4e | 335 | v4l_dbg(1, msp_debug, client, "switching to AM mono\n"); |
7e8b09ea HV |
336 | /* AM mono decoding is handled by tuner, not MSP chip */ |
337 | /* SCART switching control register */ | |
338 | msp_set_scart(client, SCART_MONO, 0); | |
339 | src = 0x0200; | |
340 | break; | |
341 | } | |
8a4b275f HV |
342 | if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) |
343 | src = 0x0030; | |
344 | break; | |
7e8b09ea | 345 | case V4L2_TUNER_MODE_LANG1: |
7e8b09ea HV |
346 | break; |
347 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 348 | src |= 0x0010; |
7e8b09ea HV |
349 | break; |
350 | } | |
d52c7385 HV |
351 | v4l_dbg(1, msp_debug, client, |
352 | "set_audmode final source/matrix = 0x%x\n", src); | |
7e8b09ea | 353 | |
8a4b275f | 354 | msp_set_source(client, src); |
7e8b09ea HV |
355 | } |
356 | ||
357 | static void msp3400c_print_mode(struct i2c_client *client) | |
358 | { | |
359 | struct msp_state *state = i2c_get_clientdata(client); | |
360 | ||
d52c7385 HV |
361 | if (state->main == state->second) |
362 | v4l_dbg(1, msp_debug, client, | |
363 | "mono sound carrier: %d.%03d MHz\n", | |
364 | state->main / 910000, (state->main / 910) % 1000); | |
365 | else | |
366 | v4l_dbg(1, msp_debug, client, | |
367 | "main sound carrier: %d.%03d MHz\n", | |
368 | state->main / 910000, (state->main / 910) % 1000); | |
7e8b09ea | 369 | if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2) |
d52c7385 HV |
370 | v4l_dbg(1, msp_debug, client, |
371 | "NICAM/FM carrier : %d.%03d MHz\n", | |
372 | state->second / 910000, (state->second/910) % 1000); | |
7e8b09ea | 373 | if (state->mode == MSP_MODE_AM_NICAM) |
d52c7385 HV |
374 | v4l_dbg(1, msp_debug, client, |
375 | "NICAM/AM carrier : %d.%03d MHz\n", | |
376 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea | 377 | if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) { |
d52c7385 HV |
378 | v4l_dbg(1, msp_debug, client, |
379 | "FM-stereo carrier : %d.%03d MHz\n", | |
380 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea HV |
381 | } |
382 | } | |
383 | ||
384 | /* ----------------------------------------------------------------------- */ | |
385 | ||
8a4b275f | 386 | static int msp3400c_detect_stereo(struct i2c_client *client) |
7e8b09ea HV |
387 | { |
388 | struct msp_state *state = i2c_get_clientdata(client); | |
389 | int val; | |
390 | int rxsubchans = state->rxsubchans; | |
8a4b275f | 391 | int newnicam = state->nicam_on; |
7e8b09ea HV |
392 | int update = 0; |
393 | ||
394 | switch (state->mode) { | |
395 | case MSP_MODE_FM_TERRA: | |
396 | val = msp_read_dsp(client, 0x18); | |
397 | if (val > 32767) | |
398 | val -= 65536; | |
d52c7385 HV |
399 | v4l_dbg(2, msp_debug, client, |
400 | "stereo detect register: %d\n", val); | |
3bbe5a83 | 401 | if (val > 8192) { |
8a4b275f | 402 | rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea HV |
403 | } else if (val < -4096) { |
404 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
405 | } else { | |
406 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
407 | } | |
408 | newnicam = 0; | |
409 | break; | |
410 | case MSP_MODE_FM_NICAM1: | |
411 | case MSP_MODE_FM_NICAM2: | |
412 | case MSP_MODE_AM_NICAM: | |
413 | val = msp_read_dem(client, 0x23); | |
f167cb4e | 414 | v4l_dbg(2, msp_debug, client, "nicam sync=%d, mode=%d\n", |
7e8b09ea HV |
415 | val & 1, (val & 0x1e) >> 1); |
416 | ||
417 | if (val & 1) { | |
418 | /* nicam synced */ | |
419 | switch ((val & 0x1e) >> 1) { | |
420 | case 0: | |
421 | case 8: | |
422 | rxsubchans = V4L2_TUNER_SUB_STEREO; | |
423 | break; | |
424 | case 1: | |
425 | case 9: | |
8a4b275f | 426 | rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea HV |
427 | break; |
428 | case 2: | |
429 | case 10: | |
8a4b275f | 430 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
7e8b09ea HV |
431 | break; |
432 | default: | |
433 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
434 | break; | |
435 | } | |
436 | newnicam = 1; | |
437 | } else { | |
438 | newnicam = 0; | |
439 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
440 | } | |
441 | break; | |
7e8b09ea HV |
442 | } |
443 | if (rxsubchans != state->rxsubchans) { | |
444 | update = 1; | |
d52c7385 HV |
445 | v4l_dbg(1, msp_debug, client, |
446 | "watch: rxsubchans %02x => %02x\n", | |
8a4b275f | 447 | state->rxsubchans, rxsubchans); |
7e8b09ea HV |
448 | state->rxsubchans = rxsubchans; |
449 | } | |
450 | if (newnicam != state->nicam_on) { | |
451 | update = 1; | |
f167cb4e | 452 | v4l_dbg(1, msp_debug, client, "watch: nicam %d => %d\n", |
8a4b275f | 453 | state->nicam_on, newnicam); |
7e8b09ea HV |
454 | state->nicam_on = newnicam; |
455 | } | |
456 | return update; | |
457 | } | |
458 | ||
459 | /* | |
460 | * A kernel thread for msp3400 control -- we don't want to block the | |
461 | * in the ioctl while doing the sound carrier & stereo detect | |
462 | */ | |
463 | /* stereo/multilang monitoring */ | |
464 | static void watch_stereo(struct i2c_client *client) | |
465 | { | |
466 | struct msp_state *state = i2c_get_clientdata(client); | |
467 | ||
d52c7385 | 468 | if (msp_detect_stereo(client)) |
de533ccf | 469 | msp_set_audmode(client); |
7e8b09ea | 470 | |
f167cb4e | 471 | if (msp_once) |
7e8b09ea HV |
472 | state->watch_stereo = 0; |
473 | } | |
474 | ||
475 | int msp3400c_thread(void *data) | |
476 | { | |
477 | struct i2c_client *client = data; | |
478 | struct msp_state *state = i2c_get_clientdata(client); | |
479 | struct msp3400c_carrier_detect *cd; | |
d52c7385 | 480 | int count, max1, max2, val1, val2, val, i; |
7e8b09ea | 481 | |
f167cb4e | 482 | v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n"); |
83144186 | 483 | set_freezable(); |
7e8b09ea | 484 | for (;;) { |
f167cb4e | 485 | v4l_dbg(2, msp_debug, client, "msp3400 thread: sleep\n"); |
7e8b09ea | 486 | msp_sleep(state, -1); |
f167cb4e | 487 | v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n"); |
7e8b09ea | 488 | |
d52c7385 | 489 | restart: |
8a4b275f | 490 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
491 | state->restart = 0; |
492 | if (kthread_should_stop()) | |
493 | break; | |
494 | ||
7560d7a4 | 495 | if (state->radio || MSP_MODE_EXTERN == state->mode) { |
7e8b09ea | 496 | /* no carrier scan, just unmute */ |
d52c7385 HV |
497 | v4l_dbg(1, msp_debug, client, |
498 | "thread: no carrier scan\n"); | |
3bbe5a83 | 499 | state->scan_in_progress = 0; |
7e8b09ea HV |
500 | msp_set_audio(client); |
501 | continue; | |
502 | } | |
503 | ||
3bbe5a83 HV |
504 | /* mute audio */ |
505 | state->scan_in_progress = 1; | |
506 | msp_set_audio(client); | |
0020d3ef | 507 | |
de533ccf | 508 | msp3400c_set_mode(client, MSP_MODE_AM_DETECT); |
7e8b09ea HV |
509 | val1 = val2 = 0; |
510 | max1 = max2 = -1; | |
511 | state->watch_stereo = 0; | |
8a4b275f | 512 | state->nicam_on = 0; |
7e8b09ea | 513 | |
3bbe5a83 | 514 | /* wait for tuner to settle down after a channel change */ |
8a4b275f | 515 | if (msp_sleep(state, 200)) |
7e8b09ea HV |
516 | goto restart; |
517 | ||
518 | /* carrier detect pass #1 -- main carrier */ | |
519 | cd = msp3400c_carrier_detect_main; | |
520 | count = ARRAY_SIZE(msp3400c_carrier_detect_main); | |
521 | ||
f167cb4e | 522 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
523 | /* autodetect doesn't work well with AM ... */ |
524 | max1 = 3; | |
525 | count = 0; | |
f167cb4e | 526 | v4l_dbg(1, msp_debug, client, "AM sound override\n"); |
7e8b09ea HV |
527 | } |
528 | ||
d52c7385 HV |
529 | for (i = 0; i < count; i++) { |
530 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
531 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
532 | goto restart; |
533 | val = msp_read_dsp(client, 0x1b); | |
534 | if (val > 32767) | |
535 | val -= 65536; | |
536 | if (val1 < val) | |
d52c7385 HV |
537 | val1 = val, max1 = i; |
538 | v4l_dbg(1, msp_debug, client, | |
539 | "carrier1 val: %5d / %s\n", val, cd[i].name); | |
7e8b09ea HV |
540 | } |
541 | ||
542 | /* carrier detect pass #2 -- second (stereo) carrier */ | |
543 | switch (max1) { | |
544 | case 1: /* 5.5 */ | |
545 | cd = msp3400c_carrier_detect_55; | |
546 | count = ARRAY_SIZE(msp3400c_carrier_detect_55); | |
547 | break; | |
548 | case 3: /* 6.5 */ | |
549 | cd = msp3400c_carrier_detect_65; | |
550 | count = ARRAY_SIZE(msp3400c_carrier_detect_65); | |
551 | break; | |
552 | case 0: /* 4.5 */ | |
553 | case 2: /* 6.0 */ | |
554 | default: | |
555 | cd = NULL; | |
556 | count = 0; | |
557 | break; | |
558 | } | |
559 | ||
f167cb4e | 560 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
561 | /* autodetect doesn't work well with AM ... */ |
562 | cd = NULL; | |
563 | count = 0; | |
564 | max2 = 0; | |
565 | } | |
d52c7385 HV |
566 | for (i = 0; i < count; i++) { |
567 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
568 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
569 | goto restart; |
570 | val = msp_read_dsp(client, 0x1b); | |
571 | if (val > 32767) | |
572 | val -= 65536; | |
573 | if (val2 < val) | |
d52c7385 HV |
574 | val2 = val, max2 = i; |
575 | v4l_dbg(1, msp_debug, client, | |
576 | "carrier2 val: %5d / %s\n", val, cd[i].name); | |
7e8b09ea HV |
577 | } |
578 | ||
579 | /* program the msp3400 according to the results */ | |
8a4b275f | 580 | state->main = msp3400c_carrier_detect_main[max1].cdo; |
7e8b09ea HV |
581 | switch (max1) { |
582 | case 1: /* 5.5 */ | |
583 | if (max2 == 0) { | |
584 | /* B/G FM-stereo */ | |
585 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 586 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 587 | state->watch_stereo = 1; |
7560d7a4 | 588 | } else if (max2 == 1 && state->has_nicam) { |
7e8b09ea HV |
589 | /* B/G NICAM */ |
590 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 591 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 592 | state->nicam_on = 1; |
7e8b09ea HV |
593 | state->watch_stereo = 1; |
594 | } else { | |
595 | goto no_second; | |
596 | } | |
597 | break; | |
598 | case 2: /* 6.0 */ | |
599 | /* PAL I NICAM */ | |
600 | state->second = MSP_CARRIER(6.552); | |
8a4b275f | 601 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM2); |
7e8b09ea | 602 | state->nicam_on = 1; |
7e8b09ea HV |
603 | state->watch_stereo = 1; |
604 | break; | |
605 | case 3: /* 6.5 */ | |
606 | if (max2 == 1 || max2 == 2) { | |
607 | /* D/K FM-stereo */ | |
608 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 609 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 610 | state->watch_stereo = 1; |
5af0c8f6 | 611 | } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
612 | /* L NICAM or AM-mono */ |
613 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 614 | msp3400c_set_mode(client, MSP_MODE_AM_NICAM); |
7e8b09ea | 615 | state->watch_stereo = 1; |
7560d7a4 | 616 | } else if (max2 == 0 && state->has_nicam) { |
7e8b09ea HV |
617 | /* D/K NICAM */ |
618 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 619 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 620 | state->nicam_on = 1; |
7e8b09ea HV |
621 | state->watch_stereo = 1; |
622 | } else { | |
623 | goto no_second; | |
624 | } | |
625 | break; | |
626 | case 0: /* 4.5 */ | |
627 | default: | |
d52c7385 | 628 | no_second: |
7e8b09ea | 629 | state->second = msp3400c_carrier_detect_main[max1].cdo; |
8a4b275f | 630 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea HV |
631 | break; |
632 | } | |
0020d3ef | 633 | msp3400c_set_carrier(client, state->second, state->main); |
7e8b09ea | 634 | |
3bbe5a83 HV |
635 | /* unmute */ |
636 | state->scan_in_progress = 0; | |
8a4b275f | 637 | msp3400c_set_audmode(client); |
3bbe5a83 | 638 | msp_set_audio(client); |
7e8b09ea | 639 | |
f167cb4e | 640 | if (msp_debug) |
7e8b09ea HV |
641 | msp3400c_print_mode(client); |
642 | ||
8a4b275f HV |
643 | /* monitor tv audio mode, the first time don't wait |
644 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 645 | count = 3; |
7e8b09ea | 646 | while (state->watch_stereo) { |
3bbe5a83 | 647 | if (msp_sleep(state, count ? 1000 : 5000)) |
7e8b09ea | 648 | goto restart; |
d52c7385 HV |
649 | if (count) |
650 | count--; | |
3bbe5a83 | 651 | watch_stereo(client); |
7e8b09ea HV |
652 | } |
653 | } | |
f167cb4e | 654 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
655 | return 0; |
656 | } | |
657 | ||
658 | ||
659 | int msp3410d_thread(void *data) | |
660 | { | |
661 | struct i2c_client *client = data; | |
662 | struct msp_state *state = i2c_get_clientdata(client); | |
0020d3ef | 663 | int val, i, std, count; |
7e8b09ea | 664 | |
f167cb4e | 665 | v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n"); |
83144186 | 666 | set_freezable(); |
7e8b09ea | 667 | for (;;) { |
f167cb4e | 668 | v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n"); |
d52c7385 | 669 | msp_sleep(state, -1); |
f167cb4e | 670 | v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n"); |
7e8b09ea | 671 | |
d52c7385 | 672 | restart: |
8a4b275f | 673 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
674 | state->restart = 0; |
675 | if (kthread_should_stop()) | |
676 | break; | |
677 | ||
678 | if (state->mode == MSP_MODE_EXTERN) { | |
679 | /* no carrier scan needed, just unmute */ | |
d52c7385 HV |
680 | v4l_dbg(1, msp_debug, client, |
681 | "thread: no carrier scan\n"); | |
3bbe5a83 | 682 | state->scan_in_progress = 0; |
7e8b09ea HV |
683 | msp_set_audio(client); |
684 | continue; | |
685 | } | |
686 | ||
3bbe5a83 HV |
687 | /* mute audio */ |
688 | state->scan_in_progress = 1; | |
689 | msp_set_audio(client); | |
7e8b09ea | 690 | |
de533ccf | 691 | /* start autodetect. Note: autodetect is not supported for |
d52c7385 HV |
692 | NTSC-M and radio, hence we force the standard in those |
693 | cases. */ | |
5af0c8f6 HV |
694 | if (state->radio) |
695 | std = 0x40; | |
d312a46e | 696 | else |
5af0c8f6 | 697 | std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; |
7e8b09ea | 698 | state->watch_stereo = 0; |
8a4b275f | 699 | state->nicam_on = 0; |
7e8b09ea | 700 | |
3bbe5a83 HV |
701 | /* wait for tuner to settle down after a channel change */ |
702 | if (msp_sleep(state, 200)) | |
703 | goto restart; | |
704 | ||
f167cb4e | 705 | if (msp_debug) |
d52c7385 HV |
706 | v4l_dbg(2, msp_debug, client, |
707 | "setting standard: %s (0x%04x)\n", | |
708 | msp_standard_std_name(std), std); | |
7e8b09ea HV |
709 | |
710 | if (std != 1) { | |
711 | /* programmed some specific mode */ | |
712 | val = std; | |
713 | } else { | |
714 | /* triggered autodetect */ | |
5af0c8f6 | 715 | msp_write_dem(client, 0x20, std); |
7e8b09ea | 716 | for (;;) { |
d312a46e | 717 | if (msp_sleep(state, 100)) |
7e8b09ea HV |
718 | goto restart; |
719 | ||
720 | /* check results */ | |
721 | val = msp_read_dem(client, 0x7e); | |
722 | if (val < 0x07ff) | |
723 | break; | |
d52c7385 HV |
724 | v4l_dbg(2, msp_debug, client, |
725 | "detection still in progress\n"); | |
7e8b09ea HV |
726 | } |
727 | } | |
5af0c8f6 HV |
728 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
729 | if (msp_stdlist[i].retval == val) | |
7e8b09ea | 730 | break; |
f167cb4e | 731 | v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", |
5af0c8f6 HV |
732 | msp_standard_std_name(val), val); |
733 | state->main = msp_stdlist[i].main; | |
734 | state->second = msp_stdlist[i].second; | |
735 | state->std = val; | |
3bbe5a83 | 736 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
5af0c8f6 | 737 | |
d52c7385 HV |
738 | if (msp_amsound && !state->radio && |
739 | (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) { | |
7e8b09ea | 740 | /* autodetection has failed, let backup */ |
f167cb4e | 741 | v4l_dbg(1, msp_debug, client, "autodetection failed," |
5af0c8f6 | 742 | " switching to backup standard: %s (0x%04x)\n", |
d52c7385 HV |
743 | msp_stdlist[8].name ? |
744 | msp_stdlist[8].name : "unknown", val); | |
de533ccf | 745 | state->std = val = 0x0009; |
7e8b09ea HV |
746 | msp_write_dem(client, 0x20, val); |
747 | } | |
748 | ||
7e8b09ea HV |
749 | /* set stereo */ |
750 | switch (val) { | |
751 | case 0x0008: /* B/G NICAM */ | |
752 | case 0x000a: /* I NICAM */ | |
de533ccf HV |
753 | case 0x000b: /* D/K NICAM */ |
754 | if (val == 0x000a) | |
7e8b09ea | 755 | state->mode = MSP_MODE_FM_NICAM2; |
de533ccf HV |
756 | else |
757 | state->mode = MSP_MODE_FM_NICAM1; | |
7e8b09ea | 758 | /* just turn on stereo */ |
7e8b09ea HV |
759 | state->nicam_on = 1; |
760 | state->watch_stereo = 1; | |
7e8b09ea HV |
761 | break; |
762 | case 0x0009: | |
763 | state->mode = MSP_MODE_AM_NICAM; | |
7e8b09ea | 764 | state->nicam_on = 1; |
7e8b09ea HV |
765 | state->watch_stereo = 1; |
766 | break; | |
767 | case 0x0020: /* BTSC */ | |
8a4b275f | 768 | /* The pre-'G' models only have BTSC-mono */ |
7e8b09ea | 769 | state->mode = MSP_MODE_BTSC; |
7e8b09ea HV |
770 | break; |
771 | case 0x0040: /* FM radio */ | |
7560d7a4 | 772 | state->mode = MSP_MODE_FM_RADIO; |
7e8b09ea | 773 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7560d7a4 | 774 | /* not needed in theory if we have radio, but |
7e8b09ea | 775 | short programming enables carrier mute */ |
8a4b275f HV |
776 | msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
777 | msp3400c_set_carrier(client, MSP_CARRIER(10.7), | |
7e8b09ea | 778 | MSP_CARRIER(10.7)); |
7e8b09ea | 779 | break; |
de533ccf | 780 | case 0x0002: |
7e8b09ea HV |
781 | case 0x0003: |
782 | case 0x0004: | |
783 | case 0x0005: | |
5af0c8f6 | 784 | state->mode = MSP_MODE_FM_TERRA; |
7e8b09ea HV |
785 | state->watch_stereo = 1; |
786 | break; | |
787 | } | |
788 | ||
de533ccf HV |
789 | /* set various prescales */ |
790 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ | |
791 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
792 | if (state->has_nicam) | |
793 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
794 | ||
5af0c8f6 HV |
795 | if (state->has_i2s_conf) |
796 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea | 797 | |
3bbe5a83 | 798 | /* unmute */ |
8a4b275f | 799 | msp3400c_set_audmode(client); |
3bbe5a83 HV |
800 | state->scan_in_progress = 0; |
801 | msp_set_audio(client); | |
8a4b275f HV |
802 | |
803 | /* monitor tv audio mode, the first time don't wait | |
804 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 805 | count = 3; |
7e8b09ea | 806 | while (state->watch_stereo) { |
3bbe5a83 | 807 | if (msp_sleep(state, count ? 1000 : 5000)) |
8a4b275f | 808 | goto restart; |
d52c7385 HV |
809 | if (count) |
810 | count--; | |
3bbe5a83 | 811 | watch_stereo(client); |
7e8b09ea HV |
812 | } |
813 | } | |
f167cb4e | 814 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
815 | return 0; |
816 | } | |
817 | ||
818 | /* ----------------------------------------------------------------------- */ | |
819 | ||
de533ccf HV |
820 | /* msp34xxG + (autoselect no-thread) |
821 | * this one uses both automatic standard detection and automatic sound | |
822 | * select which are available in the newer G versions | |
823 | * struct msp: only norm, acb and source are really used in this mode | |
824 | */ | |
7e8b09ea | 825 | |
9a80a93d HV |
826 | static int msp34xxg_modus(struct i2c_client *client) |
827 | { | |
828 | struct msp_state *state = i2c_get_clientdata(client); | |
829 | ||
830 | if (state->radio) { | |
831 | v4l_dbg(1, msp_debug, client, "selected radio modus\n"); | |
832 | return 0x0001; | |
833 | } | |
9a80a93d HV |
834 | if (state->v4l2_std == V4L2_STD_NTSC_M_JP) { |
835 | v4l_dbg(1, msp_debug, client, "selected M (EIA-J) modus\n"); | |
836 | return 0x4001; | |
837 | } | |
838 | if (state->v4l2_std == V4L2_STD_NTSC_M_KR) { | |
839 | v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n"); | |
840 | return 0x0001; | |
841 | } | |
2fd3c14c HV |
842 | if (state->v4l2_std == V4L2_STD_SECAM_L) { |
843 | v4l_dbg(1, msp_debug, client, "selected SECAM-L modus\n"); | |
844 | return 0x6001; | |
845 | } | |
9a80a93d HV |
846 | if (state->v4l2_std & V4L2_STD_MN) { |
847 | v4l_dbg(1, msp_debug, client, "selected M (BTSC) modus\n"); | |
848 | return 0x2001; | |
849 | } | |
2fd3c14c | 850 | return 0x7001; |
9a80a93d HV |
851 | } |
852 | ||
2474ed44 HV |
853 | static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in) |
854 | { | |
855 | struct msp_state *state = i2c_get_clientdata(client); | |
856 | int source, matrix; | |
857 | ||
858 | switch (state->audmode) { | |
859 | case V4L2_TUNER_MODE_MONO: | |
860 | source = 0; /* mono only */ | |
861 | matrix = 0x30; | |
862 | break; | |
2474ed44 HV |
863 | case V4L2_TUNER_MODE_LANG2: |
864 | source = 4; /* stereo or B */ | |
865 | matrix = 0x10; | |
866 | break; | |
301e22d6 | 867 | case V4L2_TUNER_MODE_LANG1_LANG2: |
2474ed44 HV |
868 | source = 1; /* stereo or A|B */ |
869 | matrix = 0x20; | |
870 | break; | |
0020d3ef | 871 | case V4L2_TUNER_MODE_LANG1: |
0020d3ef HV |
872 | source = 3; /* stereo or A */ |
873 | matrix = 0x00; | |
874 | break; | |
b331def2 HV |
875 | case V4L2_TUNER_MODE_STEREO: |
876 | default: | |
877 | source = 3; /* stereo or A */ | |
878 | matrix = 0x20; | |
879 | break; | |
2474ed44 HV |
880 | } |
881 | ||
07151724 | 882 | if (in == MSP_DSP_IN_TUNER) |
2474ed44 HV |
883 | source = (source << 8) | 0x20; |
884 | /* the msp34x2g puts the MAIN_AVC, MAIN and AUX sources in 12, 13, 14 | |
885 | instead of 11, 12, 13. So we add one for that msp version. */ | |
07151724 | 886 | else if (in >= MSP_DSP_IN_MAIN_AVC && state->has_dolby_pro_logic) |
2474ed44 HV |
887 | source = ((in + 1) << 8) | matrix; |
888 | else | |
889 | source = (in << 8) | matrix; | |
890 | ||
d52c7385 HV |
891 | v4l_dbg(1, msp_debug, client, |
892 | "set source to %d (0x%x) for output %02x\n", in, source, reg); | |
2474ed44 HV |
893 | msp_write_dsp(client, reg, source); |
894 | } | |
895 | ||
896 | static void msp34xxg_set_sources(struct i2c_client *client) | |
897 | { | |
898 | struct msp_state *state = i2c_get_clientdata(client); | |
899 | u32 in = state->routing.input; | |
900 | ||
901 | msp34xxg_set_source(client, 0x0008, (in >> 4) & 0xf); | |
902 | /* quasi-peak detector is set to same input as the loudspeaker (MAIN) */ | |
903 | msp34xxg_set_source(client, 0x000c, (in >> 4) & 0xf); | |
904 | msp34xxg_set_source(client, 0x0009, (in >> 8) & 0xf); | |
905 | msp34xxg_set_source(client, 0x000a, (in >> 12) & 0xf); | |
0020d3ef | 906 | if (state->has_scart2_out) |
2474ed44 HV |
907 | msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf); |
908 | msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf); | |
909 | } | |
910 | ||
de533ccf HV |
911 | /* (re-)initialize the msp34xxg */ |
912 | static void msp34xxg_reset(struct i2c_client *client) | |
7e8b09ea HV |
913 | { |
914 | struct msp_state *state = i2c_get_clientdata(client); | |
2474ed44 | 915 | int tuner = (state->routing.input >> 3) & 1; |
de533ccf | 916 | int modus; |
7e8b09ea | 917 | |
de533ccf HV |
918 | /* initialize std to 1 (autodetect) to signal that no standard is |
919 | selected yet. */ | |
920 | state->std = 1; | |
921 | ||
922 | msp_reset(client); | |
7e8b09ea | 923 | |
5af0c8f6 HV |
924 | if (state->has_i2s_conf) |
925 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea HV |
926 | |
927 | /* step-by-step initialisation, as described in the manual */ | |
9a80a93d | 928 | modus = msp34xxg_modus(client); |
2474ed44 | 929 | modus |= tuner ? 0x100 : 0; |
de533ccf | 930 | msp_write_dem(client, 0x30, modus); |
7e8b09ea HV |
931 | |
932 | /* write the dsps that may have an influence on | |
933 | standard/audio autodetection right now */ | |
2474ed44 | 934 | msp34xxg_set_sources(client); |
7e8b09ea | 935 | |
de533ccf HV |
936 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ |
937 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
938 | if (state->has_nicam) | |
939 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
7e8b09ea | 940 | |
de533ccf HV |
941 | /* set identification threshold. Personally, I |
942 | * I set it to a higher value than the default | |
943 | * of 0x190 to ignore noisy stereo signals. | |
944 | * this needs tuning. (recommended range 0x00a0-0x03c0) | |
945 | * 0x7f0 = forced mono mode | |
946 | * | |
947 | * a2 threshold for stereo/bilingual. | |
948 | * Note: this register is part of the Manual/Compatibility mode. | |
949 | * It is supported by all 'G'-family chips. | |
950 | */ | |
951 | msp_write_dem(client, 0x22, msp_stereo_thresh); | |
7e8b09ea HV |
952 | } |
953 | ||
954 | int msp34xxg_thread(void *data) | |
955 | { | |
956 | struct i2c_client *client = data; | |
957 | struct msp_state *state = i2c_get_clientdata(client); | |
de533ccf | 958 | int val, i; |
7e8b09ea | 959 | |
f167cb4e | 960 | v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n"); |
83144186 | 961 | set_freezable(); |
7e8b09ea | 962 | for (;;) { |
f167cb4e | 963 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n"); |
7e8b09ea | 964 | msp_sleep(state, -1); |
f167cb4e | 965 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: wakeup\n"); |
7e8b09ea | 966 | |
d52c7385 | 967 | restart: |
f167cb4e | 968 | v4l_dbg(1, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
969 | state->restart = 0; |
970 | if (kthread_should_stop()) | |
971 | break; | |
972 | ||
2eb606db HV |
973 | if (state->mode == MSP_MODE_EXTERN) { |
974 | /* no carrier scan needed, just unmute */ | |
d52c7385 HV |
975 | v4l_dbg(1, msp_debug, client, |
976 | "thread: no carrier scan\n"); | |
2eb606db HV |
977 | state->scan_in_progress = 0; |
978 | msp_set_audio(client); | |
979 | continue; | |
980 | } | |
981 | ||
7e8b09ea HV |
982 | /* setup the chip*/ |
983 | msp34xxg_reset(client); | |
de98cdaf HV |
984 | state->std = state->radio ? 0x40 : |
985 | (state->force_btsc && msp_standard == 1) ? 32 : msp_standard; | |
de533ccf | 986 | msp_write_dem(client, 0x20, state->std); |
de98cdaf | 987 | /* start autodetect */ |
e335fada HV |
988 | if (state->std != 1) |
989 | goto unmute; | |
7e8b09ea HV |
990 | |
991 | /* watch autodetect */ | |
d52c7385 HV |
992 | v4l_dbg(1, msp_debug, client, |
993 | "started autodetect, waiting for result\n"); | |
7e8b09ea HV |
994 | for (i = 0; i < 10; i++) { |
995 | if (msp_sleep(state, 100)) | |
996 | goto restart; | |
997 | ||
998 | /* check results */ | |
999 | val = msp_read_dem(client, 0x7e); | |
1000 | if (val < 0x07ff) { | |
de533ccf | 1001 | state->std = val; |
7e8b09ea HV |
1002 | break; |
1003 | } | |
d52c7385 HV |
1004 | v4l_dbg(2, msp_debug, client, |
1005 | "detection still in progress\n"); | |
7e8b09ea | 1006 | } |
de533ccf | 1007 | if (state->std == 1) { |
d52c7385 HV |
1008 | v4l_dbg(1, msp_debug, client, |
1009 | "detection still in progress after 10 tries. giving up.\n"); | |
7e8b09ea HV |
1010 | continue; |
1011 | } | |
1012 | ||
d52c7385 HV |
1013 | unmute: |
1014 | v4l_dbg(1, msp_debug, client, | |
1015 | "detected standard: %s (0x%04x)\n", | |
de533ccf | 1016 | msp_standard_std_name(state->std), state->std); |
7e8b09ea | 1017 | |
2eb606db HV |
1018 | if (state->std == 9) { |
1019 | /* AM NICAM mode */ | |
1020 | msp_write_dsp(client, 0x0e, 0x7c00); | |
1021 | } | |
1022 | ||
7e8b09ea HV |
1023 | /* unmute: dispatch sound to scart output, set scart volume */ |
1024 | msp_set_audio(client); | |
1025 | ||
1026 | /* restore ACB */ | |
1027 | if (msp_write_dsp(client, 0x13, state->acb)) | |
1028 | return -1; | |
1029 | ||
de533ccf HV |
1030 | /* the periodic stereo/SAP check is only relevant for |
1031 | the 0x20 standard (BTSC) */ | |
1032 | if (state->std != 0x20) | |
1033 | continue; | |
1034 | ||
1035 | state->watch_stereo = 1; | |
1036 | ||
1037 | /* monitor tv audio mode, the first time don't wait | |
1038 | in order to get a quick stereo/SAP update */ | |
1039 | watch_stereo(client); | |
1040 | while (state->watch_stereo) { | |
1041 | watch_stereo(client); | |
1042 | if (msp_sleep(state, 5000)) | |
1043 | goto restart; | |
1044 | } | |
7e8b09ea | 1045 | } |
f167cb4e | 1046 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
1047 | return 0; |
1048 | } | |
1049 | ||
de533ccf | 1050 | static int msp34xxg_detect_stereo(struct i2c_client *client) |
7e8b09ea HV |
1051 | { |
1052 | struct msp_state *state = i2c_get_clientdata(client); | |
7e8b09ea HV |
1053 | int status = msp_read_dem(client, 0x0200); |
1054 | int is_bilingual = status & 0x100; | |
1055 | int is_stereo = status & 0x40; | |
de533ccf | 1056 | int oldrx = state->rxsubchans; |
7e8b09ea | 1057 | |
b331def2 HV |
1058 | if (state->mode == MSP_MODE_EXTERN) |
1059 | return 0; | |
1060 | ||
7e8b09ea HV |
1061 | state->rxsubchans = 0; |
1062 | if (is_stereo) | |
8a4b275f | 1063 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea | 1064 | else |
8a4b275f | 1065 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea | 1066 | if (is_bilingual) { |
de533ccf HV |
1067 | if (state->std == 0x20) |
1068 | state->rxsubchans |= V4L2_TUNER_SUB_SAP; | |
1069 | else | |
d52c7385 HV |
1070 | state->rxsubchans = |
1071 | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
7e8b09ea | 1072 | } |
d52c7385 HV |
1073 | v4l_dbg(1, msp_debug, client, |
1074 | "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", | |
7e8b09ea | 1075 | status, is_stereo, is_bilingual, state->rxsubchans); |
de533ccf | 1076 | return (oldrx != state->rxsubchans); |
7e8b09ea HV |
1077 | } |
1078 | ||
044f324f | 1079 | static void msp34xxg_set_audmode(struct i2c_client *client) |
7e8b09ea HV |
1080 | { |
1081 | struct msp_state *state = i2c_get_clientdata(client); | |
7e8b09ea | 1082 | |
de533ccf HV |
1083 | if (state->std == 0x20) { |
1084 | if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) && | |
cc33668b | 1085 | (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 || |
de533ccf HV |
1086 | state->audmode == V4L2_TUNER_MODE_LANG2)) { |
1087 | msp_write_dem(client, 0x20, 0x21); | |
1088 | } else { | |
1089 | msp_write_dem(client, 0x20, 0x20); | |
1090 | } | |
1091 | } | |
1092 | ||
2474ed44 | 1093 | msp34xxg_set_sources(client); |
7e8b09ea HV |
1094 | } |
1095 | ||
8a4b275f HV |
1096 | void msp_set_audmode(struct i2c_client *client) |
1097 | { | |
1098 | struct msp_state *state = i2c_get_clientdata(client); | |
1099 | ||
1100 | switch (state->opmode) { | |
1101 | case OPMODE_MANUAL: | |
1102 | case OPMODE_AUTODETECT: | |
8a4b275f HV |
1103 | msp3400c_set_audmode(client); |
1104 | break; | |
1105 | case OPMODE_AUTOSELECT: | |
1106 | msp34xxg_set_audmode(client); | |
1107 | break; | |
1108 | } | |
1109 | } | |
1110 | ||
de533ccf | 1111 | int msp_detect_stereo(struct i2c_client *client) |
8a4b275f HV |
1112 | { |
1113 | struct msp_state *state = i2c_get_clientdata(client); | |
1114 | ||
1115 | switch (state->opmode) { | |
1116 | case OPMODE_MANUAL: | |
1117 | case OPMODE_AUTODETECT: | |
de533ccf | 1118 | return msp3400c_detect_stereo(client); |
8a4b275f | 1119 | case OPMODE_AUTOSELECT: |
de533ccf | 1120 | return msp34xxg_detect_stereo(client); |
8a4b275f | 1121 | } |
de533ccf | 1122 | return 0; |
8a4b275f HV |
1123 | } |
1124 |