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> | |
7e8b09ea | 25 | #include <linux/i2c.h> |
83144186 | 26 | #include <linux/freezer.h> |
7e8b09ea HV |
27 | #include <linux/videodev2.h> |
28 | #include <media/v4l2-common.h> | |
49965a80 | 29 | #include <media/msp3400.h> |
7e8b09ea HV |
30 | #include <linux/kthread.h> |
31 | #include <linux/suspend.h> | |
49965a80 | 32 | #include "msp3400-driver.h" |
7e8b09ea HV |
33 | |
34 | /* this one uses the automatic sound standard detection of newer msp34xx | |
35 | chip versions */ | |
36 | static struct { | |
37 | int retval; | |
38 | int main, second; | |
39 | char *name; | |
5af0c8f6 | 40 | } msp_stdlist[] = { |
7e8b09ea HV |
41 | { 0x0000, 0, 0, "could not detect sound standard" }, |
42 | { 0x0001, 0, 0, "autodetect start" }, | |
43 | { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, | |
44 | { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, | |
45 | { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, | |
46 | { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, | |
47 | { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, | |
de533ccf | 48 | { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875), "6.5/5.74 D/K3 Dual FM-Stereo" }, |
7e8b09ea HV |
49 | { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, |
50 | { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, | |
51 | { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, | |
52 | { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, | |
53 | { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, | |
de533ccf | 54 | { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV3)" }, |
7e8b09ea HV |
55 | { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, |
56 | { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, | |
57 | { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, | |
58 | { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, | |
59 | { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, | |
60 | { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, | |
61 | { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, | |
62 | { -1, 0, 0, NULL }, /* EOF */ | |
63 | }; | |
64 | ||
65 | static struct msp3400c_init_data_dem { | |
66 | int fir1[6]; | |
67 | int fir2[6]; | |
68 | int cdo1; | |
69 | int cdo2; | |
70 | int ad_cv; | |
71 | int mode_reg; | |
72 | int dsp_src; | |
73 | int dsp_matrix; | |
74 | } msp3400c_init_data[] = { | |
75 | { /* AM (for carrier detect / msp3400) */ | |
76 | {75, 19, 36, 35, 39, 40}, | |
77 | {75, 19, 36, 35, 39, 40}, | |
78 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
79 | 0x00d0, 0x0500, 0x0020, 0x3000 | |
d52c7385 | 80 | }, { /* AM (for carrier detect / msp3410) */ |
7e8b09ea HV |
81 | {-1, -1, -8, 2, 59, 126}, |
82 | {-1, -1, -8, 2, 59, 126}, | |
83 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
84 | 0x00d0, 0x0100, 0x0020, 0x3000 | |
d52c7385 | 85 | }, { /* FM Radio */ |
7e8b09ea HV |
86 | {-8, -8, 4, 6, 78, 107}, |
87 | {-8, -8, 4, 6, 78, 107}, | |
88 | MSP_CARRIER(10.7), MSP_CARRIER(10.7), | |
89 | 0x00d0, 0x0480, 0x0020, 0x3000 | |
d52c7385 | 90 | }, { /* Terrestial FM-mono + FM-stereo */ |
7e8b09ea HV |
91 | {3, 18, 27, 48, 66, 72}, |
92 | {3, 18, 27, 48, 66, 72}, | |
93 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
94 | 0x00d0, 0x0480, 0x0030, 0x3000 | |
d52c7385 | 95 | }, { /* Sat FM-mono */ |
7e8b09ea HV |
96 | { 1, 9, 14, 24, 33, 37}, |
97 | { 3, 18, 27, 48, 66, 72}, | |
98 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
99 | 0x00c6, 0x0480, 0x0000, 0x3000 | |
d52c7385 | 100 | }, { /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ |
7e8b09ea HV |
101 | {-2, -8, -10, 10, 50, 86}, |
102 | {3, 18, 27, 48, 66, 72}, | |
103 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), | |
104 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 105 | }, { /* NICAM/FM -- I (6.0/6.552) */ |
7e8b09ea HV |
106 | {2, 4, -6, -4, 40, 94}, |
107 | {3, 18, 27, 48, 66, 72}, | |
108 | MSP_CARRIER(6.0), MSP_CARRIER(6.0), | |
109 | 0x00d0, 0x0040, 0x0120, 0x3000 | |
d52c7385 | 110 | }, { /* NICAM/AM -- L (6.5/5.85) */ |
7e8b09ea HV |
111 | {-2, -8, -10, 10, 50, 86}, |
112 | {-4, -12, -9, 23, 79, 126}, | |
113 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), | |
8a4b275f | 114 | 0x00c6, 0x0140, 0x0120, 0x7c00 |
7e8b09ea HV |
115 | }, |
116 | }; | |
117 | ||
118 | struct msp3400c_carrier_detect { | |
119 | int cdo; | |
120 | char *name; | |
121 | }; | |
122 | ||
123 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { | |
124 | /* main carrier */ | |
125 | { MSP_CARRIER(4.5), "4.5 NTSC" }, | |
126 | { MSP_CARRIER(5.5), "5.5 PAL B/G" }, | |
127 | { MSP_CARRIER(6.0), "6.0 PAL I" }, | |
128 | { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } | |
129 | }; | |
130 | ||
131 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { | |
132 | /* PAL B/G */ | |
133 | { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, | |
134 | { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } | |
135 | }; | |
136 | ||
137 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { | |
138 | /* PAL SAT / SECAM */ | |
139 | { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, | |
140 | { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, | |
141 | { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, | |
142 | { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, | |
143 | { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, | |
144 | { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, | |
145 | }; | |
146 | ||
147 | /* ------------------------------------------------------------------------ */ | |
148 | ||
5af0c8f6 | 149 | const char *msp_standard_std_name(int std) |
7e8b09ea HV |
150 | { |
151 | int i; | |
152 | ||
5af0c8f6 HV |
153 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
154 | if (msp_stdlist[i].retval == std) | |
155 | return msp_stdlist[i].name; | |
7e8b09ea HV |
156 | return "unknown"; |
157 | } | |
158 | ||
044f324f | 159 | static void msp_set_source(struct i2c_client *client, u16 src) |
8a4b275f | 160 | { |
76efd62f | 161 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
162 | |
163 | if (msp_dolby) { | |
164 | msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */ | |
165 | msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */ | |
166 | } else { | |
167 | msp_write_dsp(client, 0x0008, src); | |
168 | msp_write_dsp(client, 0x0009, src); | |
169 | } | |
170 | msp_write_dsp(client, 0x000a, src); | |
171 | msp_write_dsp(client, 0x000b, src); | |
172 | msp_write_dsp(client, 0x000c, src); | |
0020d3ef | 173 | if (state->has_scart2_out) |
8a4b275f HV |
174 | msp_write_dsp(client, 0x0041, src); |
175 | } | |
176 | ||
177 | void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2) | |
7e8b09ea HV |
178 | { |
179 | msp_write_dem(client, 0x0093, cdo1 & 0xfff); | |
180 | msp_write_dem(client, 0x009b, cdo1 >> 12); | |
181 | msp_write_dem(client, 0x00a3, cdo2 & 0xfff); | |
182 | msp_write_dem(client, 0x00ab, cdo2 >> 12); | |
8a4b275f | 183 | msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */ |
7e8b09ea HV |
184 | } |
185 | ||
8a4b275f | 186 | void msp3400c_set_mode(struct i2c_client *client, int mode) |
7e8b09ea | 187 | { |
76efd62f | 188 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f | 189 | struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode]; |
5325b427 | 190 | int tuner = (state->route_in >> 3) & 1; |
7e8b09ea HV |
191 | int i; |
192 | ||
8a4b275f HV |
193 | v4l_dbg(1, msp_debug, client, "set_mode: %d\n", mode); |
194 | state->mode = mode; | |
7e8b09ea HV |
195 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
196 | ||
2474ed44 | 197 | msp_write_dem(client, 0x00bb, data->ad_cv | (tuner ? 0x100 : 0)); |
7e8b09ea HV |
198 | |
199 | for (i = 5; i >= 0; i--) /* fir 1 */ | |
8a4b275f | 200 | msp_write_dem(client, 0x0001, data->fir1[i]); |
7e8b09ea HV |
201 | |
202 | msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ | |
203 | msp_write_dem(client, 0x0005, 0x0040); | |
204 | msp_write_dem(client, 0x0005, 0x0000); | |
205 | for (i = 5; i >= 0; i--) | |
8a4b275f | 206 | msp_write_dem(client, 0x0005, data->fir2[i]); |
7e8b09ea | 207 | |
8a4b275f | 208 | msp_write_dem(client, 0x0083, data->mode_reg); |
7e8b09ea | 209 | |
8a4b275f | 210 | msp3400c_set_carrier(client, data->cdo1, data->cdo2); |
7e8b09ea | 211 | |
8a4b275f | 212 | msp_set_source(client, data->dsp_src); |
de533ccf | 213 | /* set prescales */ |
7e8b09ea | 214 | |
de533ccf HV |
215 | /* volume prescale for SCART (AM mono input) */ |
216 | msp_write_dsp(client, 0x000d, 0x1900); | |
217 | msp_write_dsp(client, 0x000e, data->dsp_matrix); | |
218 | if (state->has_nicam) /* nicam prescale */ | |
219 | msp_write_dsp(client, 0x0010, 0x5a00); | |
7e8b09ea HV |
220 | } |
221 | ||
8a4b275f HV |
222 | /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP, |
223 | nor do they support stereo BTSC. */ | |
044f324f | 224 | static void msp3400c_set_audmode(struct i2c_client *client) |
7e8b09ea | 225 | { |
d52c7385 HV |
226 | static char *strmode[] = { |
227 | "mono", "stereo", "lang2", "lang1", "lang1+lang2" | |
228 | }; | |
76efd62f | 229 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
301e22d6 | 230 | char *modestr = (state->audmode >= 0 && state->audmode < 5) ? |
8a4b275f HV |
231 | strmode[state->audmode] : "unknown"; |
232 | int src = 0; /* channel source: FM/AM, nicam or SCART */ | |
7061561e | 233 | int audmode = state->audmode; |
7e8b09ea HV |
234 | |
235 | if (state->opmode == OPMODE_AUTOSELECT) { | |
236 | /* this method would break everything, let's make sure | |
237 | * it's never called | |
238 | */ | |
8a4b275f HV |
239 | v4l_dbg(1, msp_debug, client, |
240 | "set_audmode called with mode=%d instead of set_source (ignored)\n", | |
241 | state->audmode); | |
7e8b09ea HV |
242 | return; |
243 | } | |
244 | ||
0020d3ef HV |
245 | /* Note: for the C and D revs no NTSC stereo + SAP is possible as |
246 | the hardware does not support SAP. So the rxsubchans combination | |
247 | of STEREO | LANG2 does not occur. */ | |
248 | ||
2eb606db HV |
249 | if (state->mode != MSP_MODE_EXTERN) { |
250 | /* switch to mono if only mono is available */ | |
251 | if (state->rxsubchans == V4L2_TUNER_SUB_MONO) | |
252 | audmode = V4L2_TUNER_MODE_MONO; | |
253 | /* if bilingual */ | |
254 | else if (state->rxsubchans & V4L2_TUNER_SUB_LANG2) { | |
255 | /* and mono or stereo, then fallback to lang1 */ | |
256 | if (audmode == V4L2_TUNER_MODE_MONO || | |
257 | audmode == V4L2_TUNER_MODE_STEREO) | |
258 | audmode = V4L2_TUNER_MODE_LANG1; | |
259 | } | |
260 | /* if stereo, and audmode is not mono, then switch to stereo */ | |
261 | else if (audmode != V4L2_TUNER_MODE_MONO) | |
262 | audmode = V4L2_TUNER_MODE_STEREO; | |
0020d3ef | 263 | } |
7061561e | 264 | |
7e8b09ea HV |
265 | /* switch demodulator */ |
266 | switch (state->mode) { | |
267 | case MSP_MODE_FM_TERRA: | |
8a4b275f | 268 | v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr); |
7061561e | 269 | switch (audmode) { |
7e8b09ea HV |
270 | case V4L2_TUNER_MODE_STEREO: |
271 | msp_write_dsp(client, 0x000e, 0x3001); | |
272 | break; | |
273 | case V4L2_TUNER_MODE_MONO: | |
274 | case V4L2_TUNER_MODE_LANG1: | |
275 | case V4L2_TUNER_MODE_LANG2: | |
301e22d6 | 276 | case V4L2_TUNER_MODE_LANG1_LANG2: |
7e8b09ea HV |
277 | msp_write_dsp(client, 0x000e, 0x3000); |
278 | break; | |
279 | } | |
280 | break; | |
281 | case MSP_MODE_FM_SAT: | |
8a4b275f | 282 | v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr); |
7061561e | 283 | switch (audmode) { |
7e8b09ea | 284 | case V4L2_TUNER_MODE_MONO: |
8a4b275f | 285 | msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); |
7e8b09ea HV |
286 | break; |
287 | case V4L2_TUNER_MODE_STEREO: | |
301e22d6 | 288 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 289 | msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); |
7e8b09ea HV |
290 | break; |
291 | case V4L2_TUNER_MODE_LANG1: | |
8a4b275f | 292 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
293 | break; |
294 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 295 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
7e8b09ea HV |
296 | break; |
297 | } | |
298 | break; | |
299 | case MSP_MODE_FM_NICAM1: | |
300 | case MSP_MODE_FM_NICAM2: | |
301 | case MSP_MODE_AM_NICAM: | |
d52c7385 HV |
302 | v4l_dbg(1, msp_debug, client, |
303 | "NICAM set_audmode: %s\n", modestr); | |
7e8b09ea | 304 | if (state->nicam_on) |
8a4b275f | 305 | src = 0x0100; /* NICAM */ |
7e8b09ea HV |
306 | break; |
307 | case MSP_MODE_BTSC: | |
d52c7385 HV |
308 | v4l_dbg(1, msp_debug, client, |
309 | "BTSC set_audmode: %s\n", modestr); | |
7e8b09ea HV |
310 | break; |
311 | case MSP_MODE_EXTERN: | |
d52c7385 HV |
312 | v4l_dbg(1, msp_debug, client, |
313 | "extern set_audmode: %s\n", modestr); | |
8a4b275f | 314 | src = 0x0200; /* SCART */ |
7e8b09ea HV |
315 | break; |
316 | case MSP_MODE_FM_RADIO: | |
d52c7385 HV |
317 | v4l_dbg(1, msp_debug, client, |
318 | "FM-Radio set_audmode: %s\n", modestr); | |
7e8b09ea HV |
319 | break; |
320 | default: | |
8a4b275f | 321 | v4l_dbg(1, msp_debug, client, "mono set_audmode\n"); |
7e8b09ea HV |
322 | return; |
323 | } | |
324 | ||
325 | /* switch audio */ | |
0020d3ef | 326 | v4l_dbg(1, msp_debug, client, "set audmode %d\n", audmode); |
7061561e | 327 | switch (audmode) { |
7e8b09ea | 328 | case V4L2_TUNER_MODE_STEREO: |
301e22d6 | 329 | case V4L2_TUNER_MODE_LANG1_LANG2: |
8a4b275f | 330 | src |= 0x0020; |
7e8b09ea HV |
331 | break; |
332 | case V4L2_TUNER_MODE_MONO: | |
333 | if (state->mode == MSP_MODE_AM_NICAM) { | |
f167cb4e | 334 | v4l_dbg(1, msp_debug, client, "switching to AM mono\n"); |
7e8b09ea HV |
335 | /* AM mono decoding is handled by tuner, not MSP chip */ |
336 | /* SCART switching control register */ | |
337 | msp_set_scart(client, SCART_MONO, 0); | |
338 | src = 0x0200; | |
339 | break; | |
340 | } | |
8a4b275f HV |
341 | if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) |
342 | src = 0x0030; | |
343 | break; | |
7e8b09ea | 344 | case V4L2_TUNER_MODE_LANG1: |
7e8b09ea HV |
345 | break; |
346 | case V4L2_TUNER_MODE_LANG2: | |
8a4b275f | 347 | src |= 0x0010; |
7e8b09ea HV |
348 | break; |
349 | } | |
d52c7385 HV |
350 | v4l_dbg(1, msp_debug, client, |
351 | "set_audmode final source/matrix = 0x%x\n", src); | |
7e8b09ea | 352 | |
8a4b275f | 353 | msp_set_source(client, src); |
7e8b09ea HV |
354 | } |
355 | ||
356 | static void msp3400c_print_mode(struct i2c_client *client) | |
357 | { | |
76efd62f | 358 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 359 | |
d52c7385 HV |
360 | if (state->main == state->second) |
361 | v4l_dbg(1, msp_debug, client, | |
362 | "mono sound carrier: %d.%03d MHz\n", | |
363 | state->main / 910000, (state->main / 910) % 1000); | |
364 | else | |
365 | v4l_dbg(1, msp_debug, client, | |
366 | "main sound carrier: %d.%03d MHz\n", | |
367 | state->main / 910000, (state->main / 910) % 1000); | |
7e8b09ea | 368 | if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2) |
d52c7385 HV |
369 | v4l_dbg(1, msp_debug, client, |
370 | "NICAM/FM carrier : %d.%03d MHz\n", | |
371 | state->second / 910000, (state->second/910) % 1000); | |
7e8b09ea | 372 | if (state->mode == MSP_MODE_AM_NICAM) |
d52c7385 HV |
373 | v4l_dbg(1, msp_debug, client, |
374 | "NICAM/AM carrier : %d.%03d MHz\n", | |
375 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea | 376 | if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) { |
d52c7385 HV |
377 | v4l_dbg(1, msp_debug, client, |
378 | "FM-stereo carrier : %d.%03d MHz\n", | |
379 | state->second / 910000, (state->second / 910) % 1000); | |
7e8b09ea HV |
380 | } |
381 | } | |
382 | ||
383 | /* ----------------------------------------------------------------------- */ | |
384 | ||
8a4b275f | 385 | static int msp3400c_detect_stereo(struct i2c_client *client) |
7e8b09ea | 386 | { |
76efd62f | 387 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea HV |
388 | int val; |
389 | int rxsubchans = state->rxsubchans; | |
8a4b275f | 390 | int newnicam = state->nicam_on; |
7e8b09ea HV |
391 | int update = 0; |
392 | ||
393 | switch (state->mode) { | |
394 | case MSP_MODE_FM_TERRA: | |
395 | val = msp_read_dsp(client, 0x18); | |
396 | if (val > 32767) | |
397 | val -= 65536; | |
d52c7385 HV |
398 | v4l_dbg(2, msp_debug, client, |
399 | "stereo detect register: %d\n", val); | |
3bbe5a83 | 400 | if (val > 8192) { |
8a4b275f | 401 | rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea HV |
402 | } else if (val < -4096) { |
403 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
404 | } else { | |
405 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
406 | } | |
407 | newnicam = 0; | |
408 | break; | |
409 | case MSP_MODE_FM_NICAM1: | |
410 | case MSP_MODE_FM_NICAM2: | |
411 | case MSP_MODE_AM_NICAM: | |
412 | val = msp_read_dem(client, 0x23); | |
f167cb4e | 413 | v4l_dbg(2, msp_debug, client, "nicam sync=%d, mode=%d\n", |
7e8b09ea HV |
414 | val & 1, (val & 0x1e) >> 1); |
415 | ||
416 | if (val & 1) { | |
417 | /* nicam synced */ | |
418 | switch ((val & 0x1e) >> 1) { | |
419 | case 0: | |
420 | case 8: | |
421 | rxsubchans = V4L2_TUNER_SUB_STEREO; | |
422 | break; | |
423 | case 1: | |
424 | case 9: | |
8a4b275f | 425 | rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea HV |
426 | break; |
427 | case 2: | |
428 | case 10: | |
8a4b275f | 429 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
7e8b09ea HV |
430 | break; |
431 | default: | |
432 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
433 | break; | |
434 | } | |
435 | newnicam = 1; | |
436 | } else { | |
437 | newnicam = 0; | |
438 | rxsubchans = V4L2_TUNER_SUB_MONO; | |
439 | } | |
440 | break; | |
7e8b09ea HV |
441 | } |
442 | if (rxsubchans != state->rxsubchans) { | |
443 | update = 1; | |
d52c7385 HV |
444 | v4l_dbg(1, msp_debug, client, |
445 | "watch: rxsubchans %02x => %02x\n", | |
8a4b275f | 446 | state->rxsubchans, rxsubchans); |
7e8b09ea HV |
447 | state->rxsubchans = rxsubchans; |
448 | } | |
449 | if (newnicam != state->nicam_on) { | |
450 | update = 1; | |
f167cb4e | 451 | v4l_dbg(1, msp_debug, client, "watch: nicam %d => %d\n", |
8a4b275f | 452 | state->nicam_on, newnicam); |
7e8b09ea HV |
453 | state->nicam_on = newnicam; |
454 | } | |
455 | return update; | |
456 | } | |
457 | ||
458 | /* | |
459 | * A kernel thread for msp3400 control -- we don't want to block the | |
460 | * in the ioctl while doing the sound carrier & stereo detect | |
461 | */ | |
462 | /* stereo/multilang monitoring */ | |
463 | static void watch_stereo(struct i2c_client *client) | |
464 | { | |
76efd62f | 465 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 466 | |
d52c7385 | 467 | if (msp_detect_stereo(client)) |
de533ccf | 468 | msp_set_audmode(client); |
7e8b09ea | 469 | |
f167cb4e | 470 | if (msp_once) |
7e8b09ea HV |
471 | state->watch_stereo = 0; |
472 | } | |
473 | ||
474 | int msp3400c_thread(void *data) | |
475 | { | |
476 | struct i2c_client *client = data; | |
76efd62f | 477 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 478 | struct msp3400c_carrier_detect *cd; |
d52c7385 | 479 | int count, max1, max2, val1, val2, val, i; |
7e8b09ea | 480 | |
f167cb4e | 481 | v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n"); |
83144186 | 482 | set_freezable(); |
7e8b09ea | 483 | for (;;) { |
f167cb4e | 484 | v4l_dbg(2, msp_debug, client, "msp3400 thread: sleep\n"); |
7e8b09ea | 485 | msp_sleep(state, -1); |
f167cb4e | 486 | v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n"); |
7e8b09ea | 487 | |
d52c7385 | 488 | restart: |
8a4b275f | 489 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
490 | state->restart = 0; |
491 | if (kthread_should_stop()) | |
492 | break; | |
493 | ||
7560d7a4 | 494 | if (state->radio || MSP_MODE_EXTERN == state->mode) { |
7e8b09ea | 495 | /* no carrier scan, just unmute */ |
d52c7385 HV |
496 | v4l_dbg(1, msp_debug, client, |
497 | "thread: no carrier scan\n"); | |
3bbe5a83 | 498 | state->scan_in_progress = 0; |
7e8b09ea HV |
499 | msp_set_audio(client); |
500 | continue; | |
501 | } | |
502 | ||
3bbe5a83 HV |
503 | /* mute audio */ |
504 | state->scan_in_progress = 1; | |
505 | msp_set_audio(client); | |
0020d3ef | 506 | |
de533ccf | 507 | msp3400c_set_mode(client, MSP_MODE_AM_DETECT); |
7e8b09ea HV |
508 | val1 = val2 = 0; |
509 | max1 = max2 = -1; | |
510 | state->watch_stereo = 0; | |
8a4b275f | 511 | state->nicam_on = 0; |
7e8b09ea | 512 | |
3bbe5a83 | 513 | /* wait for tuner to settle down after a channel change */ |
8a4b275f | 514 | if (msp_sleep(state, 200)) |
7e8b09ea HV |
515 | goto restart; |
516 | ||
517 | /* carrier detect pass #1 -- main carrier */ | |
518 | cd = msp3400c_carrier_detect_main; | |
519 | count = ARRAY_SIZE(msp3400c_carrier_detect_main); | |
520 | ||
f167cb4e | 521 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
522 | /* autodetect doesn't work well with AM ... */ |
523 | max1 = 3; | |
524 | count = 0; | |
f167cb4e | 525 | v4l_dbg(1, msp_debug, client, "AM sound override\n"); |
7e8b09ea HV |
526 | } |
527 | ||
d52c7385 HV |
528 | for (i = 0; i < count; i++) { |
529 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
530 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
531 | goto restart; |
532 | val = msp_read_dsp(client, 0x1b); | |
533 | if (val > 32767) | |
534 | val -= 65536; | |
535 | if (val1 < val) | |
d52c7385 HV |
536 | val1 = val, max1 = i; |
537 | v4l_dbg(1, msp_debug, client, | |
538 | "carrier1 val: %5d / %s\n", val, cd[i].name); | |
7e8b09ea HV |
539 | } |
540 | ||
541 | /* carrier detect pass #2 -- second (stereo) carrier */ | |
542 | switch (max1) { | |
543 | case 1: /* 5.5 */ | |
544 | cd = msp3400c_carrier_detect_55; | |
545 | count = ARRAY_SIZE(msp3400c_carrier_detect_55); | |
546 | break; | |
547 | case 3: /* 6.5 */ | |
548 | cd = msp3400c_carrier_detect_65; | |
549 | count = ARRAY_SIZE(msp3400c_carrier_detect_65); | |
550 | break; | |
551 | case 0: /* 4.5 */ | |
552 | case 2: /* 6.0 */ | |
553 | default: | |
554 | cd = NULL; | |
555 | count = 0; | |
556 | break; | |
557 | } | |
558 | ||
f167cb4e | 559 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
560 | /* autodetect doesn't work well with AM ... */ |
561 | cd = NULL; | |
562 | count = 0; | |
563 | max2 = 0; | |
564 | } | |
d52c7385 HV |
565 | for (i = 0; i < count; i++) { |
566 | msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo); | |
567 | if (msp_sleep(state, 100)) | |
7e8b09ea HV |
568 | goto restart; |
569 | val = msp_read_dsp(client, 0x1b); | |
570 | if (val > 32767) | |
571 | val -= 65536; | |
572 | if (val2 < val) | |
d52c7385 HV |
573 | val2 = val, max2 = i; |
574 | v4l_dbg(1, msp_debug, client, | |
575 | "carrier2 val: %5d / %s\n", val, cd[i].name); | |
7e8b09ea HV |
576 | } |
577 | ||
578 | /* program the msp3400 according to the results */ | |
8a4b275f | 579 | state->main = msp3400c_carrier_detect_main[max1].cdo; |
7e8b09ea HV |
580 | switch (max1) { |
581 | case 1: /* 5.5 */ | |
582 | if (max2 == 0) { | |
583 | /* B/G FM-stereo */ | |
584 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 585 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 586 | state->watch_stereo = 1; |
7560d7a4 | 587 | } else if (max2 == 1 && state->has_nicam) { |
7e8b09ea HV |
588 | /* B/G NICAM */ |
589 | state->second = msp3400c_carrier_detect_55[max2].cdo; | |
8a4b275f | 590 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 591 | state->nicam_on = 1; |
7e8b09ea HV |
592 | state->watch_stereo = 1; |
593 | } else { | |
594 | goto no_second; | |
595 | } | |
596 | break; | |
597 | case 2: /* 6.0 */ | |
598 | /* PAL I NICAM */ | |
599 | state->second = MSP_CARRIER(6.552); | |
8a4b275f | 600 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM2); |
7e8b09ea | 601 | state->nicam_on = 1; |
7e8b09ea HV |
602 | state->watch_stereo = 1; |
603 | break; | |
604 | case 3: /* 6.5 */ | |
605 | if (max2 == 1 || max2 == 2) { | |
606 | /* D/K FM-stereo */ | |
607 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 608 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea | 609 | state->watch_stereo = 1; |
5af0c8f6 | 610 | } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) { |
7e8b09ea HV |
611 | /* L NICAM or AM-mono */ |
612 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 613 | msp3400c_set_mode(client, MSP_MODE_AM_NICAM); |
7e8b09ea | 614 | state->watch_stereo = 1; |
7560d7a4 | 615 | } else if (max2 == 0 && state->has_nicam) { |
7e8b09ea HV |
616 | /* D/K NICAM */ |
617 | state->second = msp3400c_carrier_detect_65[max2].cdo; | |
8a4b275f | 618 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
7e8b09ea | 619 | state->nicam_on = 1; |
7e8b09ea HV |
620 | state->watch_stereo = 1; |
621 | } else { | |
622 | goto no_second; | |
623 | } | |
624 | break; | |
625 | case 0: /* 4.5 */ | |
626 | default: | |
d52c7385 | 627 | no_second: |
7e8b09ea | 628 | state->second = msp3400c_carrier_detect_main[max1].cdo; |
8a4b275f | 629 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
7e8b09ea HV |
630 | break; |
631 | } | |
0020d3ef | 632 | msp3400c_set_carrier(client, state->second, state->main); |
7e8b09ea | 633 | |
3bbe5a83 HV |
634 | /* unmute */ |
635 | state->scan_in_progress = 0; | |
8a4b275f | 636 | msp3400c_set_audmode(client); |
3bbe5a83 | 637 | msp_set_audio(client); |
7e8b09ea | 638 | |
f167cb4e | 639 | if (msp_debug) |
7e8b09ea HV |
640 | msp3400c_print_mode(client); |
641 | ||
8a4b275f HV |
642 | /* monitor tv audio mode, the first time don't wait |
643 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 644 | count = 3; |
7e8b09ea | 645 | while (state->watch_stereo) { |
3bbe5a83 | 646 | if (msp_sleep(state, count ? 1000 : 5000)) |
7e8b09ea | 647 | goto restart; |
d52c7385 HV |
648 | if (count) |
649 | count--; | |
3bbe5a83 | 650 | watch_stereo(client); |
7e8b09ea HV |
651 | } |
652 | } | |
f167cb4e | 653 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
654 | return 0; |
655 | } | |
656 | ||
657 | ||
658 | int msp3410d_thread(void *data) | |
659 | { | |
660 | struct i2c_client *client = data; | |
76efd62f | 661 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
0020d3ef | 662 | int val, i, std, count; |
7e8b09ea | 663 | |
f167cb4e | 664 | v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n"); |
83144186 | 665 | set_freezable(); |
7e8b09ea | 666 | for (;;) { |
f167cb4e | 667 | v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n"); |
d52c7385 | 668 | msp_sleep(state, -1); |
f167cb4e | 669 | v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n"); |
7e8b09ea | 670 | |
d52c7385 | 671 | restart: |
8a4b275f | 672 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
673 | state->restart = 0; |
674 | if (kthread_should_stop()) | |
675 | break; | |
676 | ||
677 | if (state->mode == MSP_MODE_EXTERN) { | |
678 | /* no carrier scan needed, just unmute */ | |
d52c7385 HV |
679 | v4l_dbg(1, msp_debug, client, |
680 | "thread: no carrier scan\n"); | |
3bbe5a83 | 681 | state->scan_in_progress = 0; |
7e8b09ea HV |
682 | msp_set_audio(client); |
683 | continue; | |
684 | } | |
685 | ||
3bbe5a83 HV |
686 | /* mute audio */ |
687 | state->scan_in_progress = 1; | |
688 | msp_set_audio(client); | |
7e8b09ea | 689 | |
de533ccf | 690 | /* start autodetect. Note: autodetect is not supported for |
d52c7385 HV |
691 | NTSC-M and radio, hence we force the standard in those |
692 | cases. */ | |
5af0c8f6 HV |
693 | if (state->radio) |
694 | std = 0x40; | |
d312a46e | 695 | else |
5af0c8f6 | 696 | std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; |
7e8b09ea | 697 | state->watch_stereo = 0; |
8a4b275f | 698 | state->nicam_on = 0; |
7e8b09ea | 699 | |
3bbe5a83 HV |
700 | /* wait for tuner to settle down after a channel change */ |
701 | if (msp_sleep(state, 200)) | |
702 | goto restart; | |
703 | ||
f167cb4e | 704 | if (msp_debug) |
d52c7385 HV |
705 | v4l_dbg(2, msp_debug, client, |
706 | "setting standard: %s (0x%04x)\n", | |
707 | msp_standard_std_name(std), std); | |
7e8b09ea HV |
708 | |
709 | if (std != 1) { | |
710 | /* programmed some specific mode */ | |
711 | val = std; | |
712 | } else { | |
713 | /* triggered autodetect */ | |
5af0c8f6 | 714 | msp_write_dem(client, 0x20, std); |
7e8b09ea | 715 | for (;;) { |
d312a46e | 716 | if (msp_sleep(state, 100)) |
7e8b09ea HV |
717 | goto restart; |
718 | ||
719 | /* check results */ | |
720 | val = msp_read_dem(client, 0x7e); | |
721 | if (val < 0x07ff) | |
722 | break; | |
d52c7385 HV |
723 | v4l_dbg(2, msp_debug, client, |
724 | "detection still in progress\n"); | |
7e8b09ea HV |
725 | } |
726 | } | |
5af0c8f6 HV |
727 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
728 | if (msp_stdlist[i].retval == val) | |
7e8b09ea | 729 | break; |
f167cb4e | 730 | v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", |
5af0c8f6 HV |
731 | msp_standard_std_name(val), val); |
732 | state->main = msp_stdlist[i].main; | |
733 | state->second = msp_stdlist[i].second; | |
734 | state->std = val; | |
3bbe5a83 | 735 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
5af0c8f6 | 736 | |
d52c7385 HV |
737 | if (msp_amsound && !state->radio && |
738 | (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) { | |
7e8b09ea | 739 | /* autodetection has failed, let backup */ |
f167cb4e | 740 | v4l_dbg(1, msp_debug, client, "autodetection failed," |
5af0c8f6 | 741 | " switching to backup standard: %s (0x%04x)\n", |
d52c7385 HV |
742 | msp_stdlist[8].name ? |
743 | msp_stdlist[8].name : "unknown", val); | |
de533ccf | 744 | state->std = val = 0x0009; |
7e8b09ea HV |
745 | msp_write_dem(client, 0x20, val); |
746 | } | |
747 | ||
7e8b09ea HV |
748 | /* set stereo */ |
749 | switch (val) { | |
750 | case 0x0008: /* B/G NICAM */ | |
751 | case 0x000a: /* I NICAM */ | |
de533ccf HV |
752 | case 0x000b: /* D/K NICAM */ |
753 | if (val == 0x000a) | |
7e8b09ea | 754 | state->mode = MSP_MODE_FM_NICAM2; |
de533ccf HV |
755 | else |
756 | state->mode = MSP_MODE_FM_NICAM1; | |
7e8b09ea | 757 | /* just turn on stereo */ |
7e8b09ea HV |
758 | state->nicam_on = 1; |
759 | state->watch_stereo = 1; | |
7e8b09ea HV |
760 | break; |
761 | case 0x0009: | |
762 | state->mode = MSP_MODE_AM_NICAM; | |
7e8b09ea | 763 | state->nicam_on = 1; |
7e8b09ea HV |
764 | state->watch_stereo = 1; |
765 | break; | |
766 | case 0x0020: /* BTSC */ | |
8a4b275f | 767 | /* The pre-'G' models only have BTSC-mono */ |
7e8b09ea | 768 | state->mode = MSP_MODE_BTSC; |
7e8b09ea HV |
769 | break; |
770 | case 0x0040: /* FM radio */ | |
7560d7a4 | 771 | state->mode = MSP_MODE_FM_RADIO; |
7e8b09ea | 772 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7560d7a4 | 773 | /* not needed in theory if we have radio, but |
7e8b09ea | 774 | short programming enables carrier mute */ |
8a4b275f HV |
775 | msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
776 | msp3400c_set_carrier(client, MSP_CARRIER(10.7), | |
7e8b09ea | 777 | MSP_CARRIER(10.7)); |
7e8b09ea | 778 | break; |
de533ccf | 779 | case 0x0002: |
7e8b09ea HV |
780 | case 0x0003: |
781 | case 0x0004: | |
782 | case 0x0005: | |
5af0c8f6 | 783 | state->mode = MSP_MODE_FM_TERRA; |
7e8b09ea HV |
784 | state->watch_stereo = 1; |
785 | break; | |
786 | } | |
787 | ||
de533ccf HV |
788 | /* set various prescales */ |
789 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ | |
790 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
791 | if (state->has_nicam) | |
792 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
793 | ||
5af0c8f6 HV |
794 | if (state->has_i2s_conf) |
795 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea | 796 | |
3bbe5a83 | 797 | /* unmute */ |
8a4b275f | 798 | msp3400c_set_audmode(client); |
3bbe5a83 HV |
799 | state->scan_in_progress = 0; |
800 | msp_set_audio(client); | |
8a4b275f HV |
801 | |
802 | /* monitor tv audio mode, the first time don't wait | |
803 | so long to get a quick stereo/bilingual result */ | |
3bbe5a83 | 804 | count = 3; |
7e8b09ea | 805 | while (state->watch_stereo) { |
3bbe5a83 | 806 | if (msp_sleep(state, count ? 1000 : 5000)) |
8a4b275f | 807 | goto restart; |
d52c7385 HV |
808 | if (count) |
809 | count--; | |
3bbe5a83 | 810 | watch_stereo(client); |
7e8b09ea HV |
811 | } |
812 | } | |
f167cb4e | 813 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
814 | return 0; |
815 | } | |
816 | ||
817 | /* ----------------------------------------------------------------------- */ | |
818 | ||
de533ccf HV |
819 | /* msp34xxG + (autoselect no-thread) |
820 | * this one uses both automatic standard detection and automatic sound | |
821 | * select which are available in the newer G versions | |
822 | * struct msp: only norm, acb and source are really used in this mode | |
823 | */ | |
7e8b09ea | 824 | |
9a80a93d HV |
825 | static int msp34xxg_modus(struct i2c_client *client) |
826 | { | |
76efd62f | 827 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
9a80a93d HV |
828 | |
829 | if (state->radio) { | |
830 | v4l_dbg(1, msp_debug, client, "selected radio modus\n"); | |
831 | return 0x0001; | |
832 | } | |
9a80a93d HV |
833 | if (state->v4l2_std == V4L2_STD_NTSC_M_JP) { |
834 | v4l_dbg(1, msp_debug, client, "selected M (EIA-J) modus\n"); | |
835 | return 0x4001; | |
836 | } | |
837 | if (state->v4l2_std == V4L2_STD_NTSC_M_KR) { | |
838 | v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n"); | |
839 | return 0x0001; | |
840 | } | |
2fd3c14c HV |
841 | if (state->v4l2_std == V4L2_STD_SECAM_L) { |
842 | v4l_dbg(1, msp_debug, client, "selected SECAM-L modus\n"); | |
843 | return 0x6001; | |
844 | } | |
9a80a93d HV |
845 | if (state->v4l2_std & V4L2_STD_MN) { |
846 | v4l_dbg(1, msp_debug, client, "selected M (BTSC) modus\n"); | |
847 | return 0x2001; | |
848 | } | |
2fd3c14c | 849 | return 0x7001; |
9a80a93d HV |
850 | } |
851 | ||
2474ed44 HV |
852 | static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in) |
853 | { | |
76efd62f | 854 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
2474ed44 HV |
855 | int source, matrix; |
856 | ||
857 | switch (state->audmode) { | |
858 | case V4L2_TUNER_MODE_MONO: | |
859 | source = 0; /* mono only */ | |
860 | matrix = 0x30; | |
861 | break; | |
2474ed44 HV |
862 | case V4L2_TUNER_MODE_LANG2: |
863 | source = 4; /* stereo or B */ | |
864 | matrix = 0x10; | |
865 | break; | |
301e22d6 | 866 | case V4L2_TUNER_MODE_LANG1_LANG2: |
2474ed44 HV |
867 | source = 1; /* stereo or A|B */ |
868 | matrix = 0x20; | |
869 | break; | |
0020d3ef | 870 | case V4L2_TUNER_MODE_LANG1: |
0020d3ef HV |
871 | source = 3; /* stereo or A */ |
872 | matrix = 0x00; | |
873 | break; | |
b331def2 HV |
874 | case V4L2_TUNER_MODE_STEREO: |
875 | default: | |
876 | source = 3; /* stereo or A */ | |
877 | matrix = 0x20; | |
878 | break; | |
2474ed44 HV |
879 | } |
880 | ||
07151724 | 881 | if (in == MSP_DSP_IN_TUNER) |
2474ed44 HV |
882 | source = (source << 8) | 0x20; |
883 | /* the msp34x2g puts the MAIN_AVC, MAIN and AUX sources in 12, 13, 14 | |
884 | instead of 11, 12, 13. So we add one for that msp version. */ | |
07151724 | 885 | else if (in >= MSP_DSP_IN_MAIN_AVC && state->has_dolby_pro_logic) |
2474ed44 HV |
886 | source = ((in + 1) << 8) | matrix; |
887 | else | |
888 | source = (in << 8) | matrix; | |
889 | ||
d52c7385 HV |
890 | v4l_dbg(1, msp_debug, client, |
891 | "set source to %d (0x%x) for output %02x\n", in, source, reg); | |
2474ed44 HV |
892 | msp_write_dsp(client, reg, source); |
893 | } | |
894 | ||
895 | static void msp34xxg_set_sources(struct i2c_client *client) | |
896 | { | |
76efd62f | 897 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
5325b427 | 898 | u32 in = state->route_in; |
2474ed44 HV |
899 | |
900 | msp34xxg_set_source(client, 0x0008, (in >> 4) & 0xf); | |
901 | /* quasi-peak detector is set to same input as the loudspeaker (MAIN) */ | |
902 | msp34xxg_set_source(client, 0x000c, (in >> 4) & 0xf); | |
903 | msp34xxg_set_source(client, 0x0009, (in >> 8) & 0xf); | |
904 | msp34xxg_set_source(client, 0x000a, (in >> 12) & 0xf); | |
0020d3ef | 905 | if (state->has_scart2_out) |
2474ed44 HV |
906 | msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf); |
907 | msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf); | |
908 | } | |
909 | ||
de533ccf HV |
910 | /* (re-)initialize the msp34xxg */ |
911 | static void msp34xxg_reset(struct i2c_client *client) | |
7e8b09ea | 912 | { |
76efd62f | 913 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
5325b427 | 914 | int tuner = (state->route_in >> 3) & 1; |
de533ccf | 915 | int modus; |
7e8b09ea | 916 | |
de533ccf HV |
917 | /* initialize std to 1 (autodetect) to signal that no standard is |
918 | selected yet. */ | |
919 | state->std = 1; | |
920 | ||
921 | msp_reset(client); | |
7e8b09ea | 922 | |
5af0c8f6 HV |
923 | if (state->has_i2s_conf) |
924 | msp_write_dem(client, 0x40, state->i2s_mode); | |
7e8b09ea HV |
925 | |
926 | /* step-by-step initialisation, as described in the manual */ | |
9a80a93d | 927 | modus = msp34xxg_modus(client); |
2474ed44 | 928 | modus |= tuner ? 0x100 : 0; |
de533ccf | 929 | msp_write_dem(client, 0x30, modus); |
7e8b09ea HV |
930 | |
931 | /* write the dsps that may have an influence on | |
932 | standard/audio autodetection right now */ | |
2474ed44 | 933 | msp34xxg_set_sources(client); |
7e8b09ea | 934 | |
de533ccf HV |
935 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ |
936 | msp_write_dsp(client, 0x0e, 0x3000); /* FM */ | |
937 | if (state->has_nicam) | |
938 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ | |
7e8b09ea | 939 | |
de533ccf HV |
940 | /* set identification threshold. Personally, I |
941 | * I set it to a higher value than the default | |
942 | * of 0x190 to ignore noisy stereo signals. | |
943 | * this needs tuning. (recommended range 0x00a0-0x03c0) | |
944 | * 0x7f0 = forced mono mode | |
945 | * | |
946 | * a2 threshold for stereo/bilingual. | |
947 | * Note: this register is part of the Manual/Compatibility mode. | |
948 | * It is supported by all 'G'-family chips. | |
949 | */ | |
950 | msp_write_dem(client, 0x22, msp_stereo_thresh); | |
7e8b09ea HV |
951 | } |
952 | ||
953 | int msp34xxg_thread(void *data) | |
954 | { | |
955 | struct i2c_client *client = data; | |
76efd62f | 956 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
de533ccf | 957 | int val, i; |
7e8b09ea | 958 | |
f167cb4e | 959 | v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n"); |
83144186 | 960 | set_freezable(); |
7e8b09ea | 961 | for (;;) { |
f167cb4e | 962 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n"); |
7e8b09ea | 963 | msp_sleep(state, -1); |
f167cb4e | 964 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: wakeup\n"); |
7e8b09ea | 965 | |
d52c7385 | 966 | restart: |
f167cb4e | 967 | v4l_dbg(1, msp_debug, client, "thread: restart scan\n"); |
7e8b09ea HV |
968 | state->restart = 0; |
969 | if (kthread_should_stop()) | |
970 | break; | |
971 | ||
2eb606db HV |
972 | if (state->mode == MSP_MODE_EXTERN) { |
973 | /* no carrier scan needed, just unmute */ | |
d52c7385 HV |
974 | v4l_dbg(1, msp_debug, client, |
975 | "thread: no carrier scan\n"); | |
2eb606db HV |
976 | state->scan_in_progress = 0; |
977 | msp_set_audio(client); | |
978 | continue; | |
979 | } | |
980 | ||
7e8b09ea HV |
981 | /* setup the chip*/ |
982 | msp34xxg_reset(client); | |
de98cdaf HV |
983 | state->std = state->radio ? 0x40 : |
984 | (state->force_btsc && msp_standard == 1) ? 32 : msp_standard; | |
de533ccf | 985 | msp_write_dem(client, 0x20, state->std); |
de98cdaf | 986 | /* start autodetect */ |
e335fada HV |
987 | if (state->std != 1) |
988 | goto unmute; | |
7e8b09ea HV |
989 | |
990 | /* watch autodetect */ | |
d52c7385 HV |
991 | v4l_dbg(1, msp_debug, client, |
992 | "started autodetect, waiting for result\n"); | |
7e8b09ea HV |
993 | for (i = 0; i < 10; i++) { |
994 | if (msp_sleep(state, 100)) | |
995 | goto restart; | |
996 | ||
997 | /* check results */ | |
998 | val = msp_read_dem(client, 0x7e); | |
999 | if (val < 0x07ff) { | |
de533ccf | 1000 | state->std = val; |
7e8b09ea HV |
1001 | break; |
1002 | } | |
d52c7385 HV |
1003 | v4l_dbg(2, msp_debug, client, |
1004 | "detection still in progress\n"); | |
7e8b09ea | 1005 | } |
de533ccf | 1006 | if (state->std == 1) { |
d52c7385 HV |
1007 | v4l_dbg(1, msp_debug, client, |
1008 | "detection still in progress after 10 tries. giving up.\n"); | |
7e8b09ea HV |
1009 | continue; |
1010 | } | |
1011 | ||
d52c7385 HV |
1012 | unmute: |
1013 | v4l_dbg(1, msp_debug, client, | |
1014 | "detected standard: %s (0x%04x)\n", | |
de533ccf | 1015 | msp_standard_std_name(state->std), state->std); |
7e8b09ea | 1016 | |
2eb606db HV |
1017 | if (state->std == 9) { |
1018 | /* AM NICAM mode */ | |
1019 | msp_write_dsp(client, 0x0e, 0x7c00); | |
1020 | } | |
1021 | ||
7e8b09ea HV |
1022 | /* unmute: dispatch sound to scart output, set scart volume */ |
1023 | msp_set_audio(client); | |
1024 | ||
1025 | /* restore ACB */ | |
1026 | if (msp_write_dsp(client, 0x13, state->acb)) | |
1027 | return -1; | |
1028 | ||
de533ccf HV |
1029 | /* the periodic stereo/SAP check is only relevant for |
1030 | the 0x20 standard (BTSC) */ | |
1031 | if (state->std != 0x20) | |
1032 | continue; | |
1033 | ||
1034 | state->watch_stereo = 1; | |
1035 | ||
1036 | /* monitor tv audio mode, the first time don't wait | |
1037 | in order to get a quick stereo/SAP update */ | |
1038 | watch_stereo(client); | |
1039 | while (state->watch_stereo) { | |
1040 | watch_stereo(client); | |
1041 | if (msp_sleep(state, 5000)) | |
1042 | goto restart; | |
1043 | } | |
7e8b09ea | 1044 | } |
f167cb4e | 1045 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
7e8b09ea HV |
1046 | return 0; |
1047 | } | |
1048 | ||
de533ccf | 1049 | static int msp34xxg_detect_stereo(struct i2c_client *client) |
7e8b09ea | 1050 | { |
76efd62f | 1051 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea HV |
1052 | int status = msp_read_dem(client, 0x0200); |
1053 | int is_bilingual = status & 0x100; | |
1054 | int is_stereo = status & 0x40; | |
de533ccf | 1055 | int oldrx = state->rxsubchans; |
7e8b09ea | 1056 | |
b331def2 HV |
1057 | if (state->mode == MSP_MODE_EXTERN) |
1058 | return 0; | |
1059 | ||
7e8b09ea HV |
1060 | state->rxsubchans = 0; |
1061 | if (is_stereo) | |
8a4b275f | 1062 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
7e8b09ea | 1063 | else |
8a4b275f | 1064 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
7e8b09ea | 1065 | if (is_bilingual) { |
de533ccf HV |
1066 | if (state->std == 0x20) |
1067 | state->rxsubchans |= V4L2_TUNER_SUB_SAP; | |
1068 | else | |
d52c7385 HV |
1069 | state->rxsubchans = |
1070 | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
7e8b09ea | 1071 | } |
d52c7385 HV |
1072 | v4l_dbg(1, msp_debug, client, |
1073 | "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", | |
7e8b09ea | 1074 | status, is_stereo, is_bilingual, state->rxsubchans); |
de533ccf | 1075 | return (oldrx != state->rxsubchans); |
7e8b09ea HV |
1076 | } |
1077 | ||
044f324f | 1078 | static void msp34xxg_set_audmode(struct i2c_client *client) |
7e8b09ea | 1079 | { |
76efd62f | 1080 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
7e8b09ea | 1081 | |
de533ccf HV |
1082 | if (state->std == 0x20) { |
1083 | if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) && | |
cc33668b | 1084 | (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 || |
de533ccf HV |
1085 | state->audmode == V4L2_TUNER_MODE_LANG2)) { |
1086 | msp_write_dem(client, 0x20, 0x21); | |
1087 | } else { | |
1088 | msp_write_dem(client, 0x20, 0x20); | |
1089 | } | |
1090 | } | |
1091 | ||
2474ed44 | 1092 | msp34xxg_set_sources(client); |
7e8b09ea HV |
1093 | } |
1094 | ||
8a4b275f HV |
1095 | void msp_set_audmode(struct i2c_client *client) |
1096 | { | |
76efd62f | 1097 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
1098 | |
1099 | switch (state->opmode) { | |
1100 | case OPMODE_MANUAL: | |
1101 | case OPMODE_AUTODETECT: | |
8a4b275f HV |
1102 | msp3400c_set_audmode(client); |
1103 | break; | |
1104 | case OPMODE_AUTOSELECT: | |
1105 | msp34xxg_set_audmode(client); | |
1106 | break; | |
1107 | } | |
1108 | } | |
1109 | ||
de533ccf | 1110 | int msp_detect_stereo(struct i2c_client *client) |
8a4b275f | 1111 | { |
76efd62f | 1112 | struct msp_state *state = to_state(i2c_get_clientdata(client)); |
8a4b275f HV |
1113 | |
1114 | switch (state->opmode) { | |
1115 | case OPMODE_MANUAL: | |
1116 | case OPMODE_AUTODETECT: | |
de533ccf | 1117 | return msp3400c_detect_stereo(client); |
8a4b275f | 1118 | case OPMODE_AUTOSELECT: |
de533ccf | 1119 | return msp34xxg_detect_stereo(client); |
8a4b275f | 1120 | } |
de533ccf | 1121 | return 0; |
8a4b275f HV |
1122 | } |
1123 |