Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 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 |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/module.h> |
| 24 | #include <linux/slab.h> |
| 25 | #include <linux/i2c.h> |
| 26 | #include <linux/videodev.h> |
| 27 | #include <linux/videodev2.h> |
| 28 | #include <media/v4l2-common.h> |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 29 | #include <linux/kthread.h> |
| 30 | #include <linux/suspend.h> |
| 31 | #include "msp3400.h" |
| 32 | |
| 33 | /* this one uses the automatic sound standard detection of newer msp34xx |
| 34 | chip versions */ |
| 35 | static struct { |
| 36 | int retval; |
| 37 | int main, second; |
| 38 | char *name; |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 39 | } msp_stdlist[] = { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 40 | { 0x0000, 0, 0, "could not detect sound standard" }, |
| 41 | { 0x0001, 0, 0, "autodetect start" }, |
| 42 | { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, |
| 43 | { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, |
| 44 | { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, |
| 45 | { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, |
| 46 | { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, |
| 47 | { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, |
| 48 | { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, |
| 49 | { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, |
| 50 | { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, |
| 51 | { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, |
| 52 | { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, |
| 53 | { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, |
| 54 | { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, |
| 55 | { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, |
| 56 | { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, |
| 57 | { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, |
| 58 | { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, |
| 59 | { -1, 0, 0, NULL }, /* EOF */ |
| 60 | }; |
| 61 | |
| 62 | static struct msp3400c_init_data_dem { |
| 63 | int fir1[6]; |
| 64 | int fir2[6]; |
| 65 | int cdo1; |
| 66 | int cdo2; |
| 67 | int ad_cv; |
| 68 | int mode_reg; |
| 69 | int dsp_src; |
| 70 | int dsp_matrix; |
| 71 | } msp3400c_init_data[] = { |
| 72 | { /* AM (for carrier detect / msp3400) */ |
| 73 | {75, 19, 36, 35, 39, 40}, |
| 74 | {75, 19, 36, 35, 39, 40}, |
| 75 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), |
| 76 | 0x00d0, 0x0500, 0x0020, 0x3000 |
| 77 | },{ /* AM (for carrier detect / msp3410) */ |
| 78 | {-1, -1, -8, 2, 59, 126}, |
| 79 | {-1, -1, -8, 2, 59, 126}, |
| 80 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), |
| 81 | 0x00d0, 0x0100, 0x0020, 0x3000 |
| 82 | },{ /* FM Radio */ |
| 83 | {-8, -8, 4, 6, 78, 107}, |
| 84 | {-8, -8, 4, 6, 78, 107}, |
| 85 | MSP_CARRIER(10.7), MSP_CARRIER(10.7), |
| 86 | 0x00d0, 0x0480, 0x0020, 0x3000 |
| 87 | },{ /* Terrestial FM-mono + FM-stereo */ |
| 88 | {3, 18, 27, 48, 66, 72}, |
| 89 | {3, 18, 27, 48, 66, 72}, |
| 90 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), |
| 91 | 0x00d0, 0x0480, 0x0030, 0x3000 |
| 92 | },{ /* Sat FM-mono */ |
| 93 | { 1, 9, 14, 24, 33, 37}, |
| 94 | { 3, 18, 27, 48, 66, 72}, |
| 95 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), |
| 96 | 0x00c6, 0x0480, 0x0000, 0x3000 |
| 97 | },{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ |
| 98 | {-2, -8, -10, 10, 50, 86}, |
| 99 | {3, 18, 27, 48, 66, 72}, |
| 100 | MSP_CARRIER(5.5), MSP_CARRIER(5.5), |
| 101 | 0x00d0, 0x0040, 0x0120, 0x3000 |
| 102 | },{ /* NICAM/FM -- I (6.0/6.552) */ |
| 103 | {2, 4, -6, -4, 40, 94}, |
| 104 | {3, 18, 27, 48, 66, 72}, |
| 105 | MSP_CARRIER(6.0), MSP_CARRIER(6.0), |
| 106 | 0x00d0, 0x0040, 0x0120, 0x3000 |
| 107 | },{ /* NICAM/AM -- L (6.5/5.85) */ |
| 108 | {-2, -8, -10, 10, 50, 86}, |
| 109 | {-4, -12, -9, 23, 79, 126}, |
| 110 | MSP_CARRIER(6.5), MSP_CARRIER(6.5), |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 111 | 0x00c6, 0x0140, 0x0120, 0x7c00 |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 112 | }, |
| 113 | }; |
| 114 | |
| 115 | struct msp3400c_carrier_detect { |
| 116 | int cdo; |
| 117 | char *name; |
| 118 | }; |
| 119 | |
| 120 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { |
| 121 | /* main carrier */ |
| 122 | { MSP_CARRIER(4.5), "4.5 NTSC" }, |
| 123 | { MSP_CARRIER(5.5), "5.5 PAL B/G" }, |
| 124 | { MSP_CARRIER(6.0), "6.0 PAL I" }, |
| 125 | { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } |
| 126 | }; |
| 127 | |
| 128 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { |
| 129 | /* PAL B/G */ |
| 130 | { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, |
| 131 | { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } |
| 132 | }; |
| 133 | |
| 134 | static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { |
| 135 | /* PAL SAT / SECAM */ |
| 136 | { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, |
| 137 | { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, |
| 138 | { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, |
| 139 | { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, |
| 140 | { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, |
| 141 | { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, |
| 142 | }; |
| 143 | |
| 144 | /* ------------------------------------------------------------------------ */ |
| 145 | |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 146 | const char *msp_standard_std_name(int std) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 147 | { |
| 148 | int i; |
| 149 | |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 150 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
| 151 | if (msp_stdlist[i].retval == std) |
| 152 | return msp_stdlist[i].name; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 153 | return "unknown"; |
| 154 | } |
| 155 | |
Adrian Bunk | 044f324 | 2006-03-08 10:50:07 -0300 | [diff] [blame] | 156 | static void msp_set_source(struct i2c_client *client, u16 src) |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 157 | { |
| 158 | struct msp_state *state = i2c_get_clientdata(client); |
| 159 | |
| 160 | if (msp_dolby) { |
| 161 | msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */ |
| 162 | msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */ |
| 163 | } else { |
| 164 | msp_write_dsp(client, 0x0008, src); |
| 165 | msp_write_dsp(client, 0x0009, src); |
| 166 | } |
| 167 | msp_write_dsp(client, 0x000a, src); |
| 168 | msp_write_dsp(client, 0x000b, src); |
| 169 | msp_write_dsp(client, 0x000c, src); |
| 170 | if (state->has_scart23_in_scart2_out) |
| 171 | msp_write_dsp(client, 0x0041, src); |
| 172 | } |
| 173 | |
| 174 | void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 175 | { |
| 176 | msp_write_dem(client, 0x0093, cdo1 & 0xfff); |
| 177 | msp_write_dem(client, 0x009b, cdo1 >> 12); |
| 178 | msp_write_dem(client, 0x00a3, cdo2 & 0xfff); |
| 179 | msp_write_dem(client, 0x00ab, cdo2 >> 12); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 180 | msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 181 | } |
| 182 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 183 | void msp3400c_set_mode(struct i2c_client *client, int mode) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 184 | { |
| 185 | struct msp_state *state = i2c_get_clientdata(client); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 186 | struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode]; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 187 | int i; |
| 188 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 189 | v4l_dbg(1, msp_debug, client, "set_mode: %d\n", mode); |
| 190 | state->mode = mode; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 191 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 192 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 193 | msp_write_dem(client, 0x00bb, data->ad_cv); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 194 | |
| 195 | for (i = 5; i >= 0; i--) /* fir 1 */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 196 | msp_write_dem(client, 0x0001, data->fir1[i]); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 197 | |
| 198 | msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ |
| 199 | msp_write_dem(client, 0x0005, 0x0040); |
| 200 | msp_write_dem(client, 0x0005, 0x0000); |
| 201 | for (i = 5; i >= 0; i--) |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 202 | msp_write_dem(client, 0x0005, data->fir2[i]); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 203 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 204 | msp_write_dem(client, 0x0083, data->mode_reg); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 205 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 206 | msp3400c_set_carrier(client, data->cdo1, data->cdo2); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 207 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 208 | msp_set_source(client, data->dsp_src); |
| 209 | msp_write_dsp(client, 0x000e, data->dsp_matrix); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 210 | |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 211 | if (state->has_nicam) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 212 | /* nicam prescale */ |
| 213 | msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */ |
| 214 | } |
| 215 | } |
| 216 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 217 | /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP, |
| 218 | nor do they support stereo BTSC. */ |
Adrian Bunk | 044f324 | 2006-03-08 10:50:07 -0300 | [diff] [blame] | 219 | static void msp3400c_set_audmode(struct i2c_client *client) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 220 | { |
Hans Verkuil | d312a46 | 2006-01-09 18:21:36 -0200 | [diff] [blame] | 221 | static char *strmode[] = { "mono", "stereo", "lang2", "lang1" }; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 222 | struct msp_state *state = i2c_get_clientdata(client); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 223 | char *modestr = (state->audmode >= 0 && state->audmode < 4) ? |
| 224 | strmode[state->audmode] : "unknown"; |
| 225 | int src = 0; /* channel source: FM/AM, nicam or SCART */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 226 | |
| 227 | if (state->opmode == OPMODE_AUTOSELECT) { |
| 228 | /* this method would break everything, let's make sure |
| 229 | * it's never called |
| 230 | */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 231 | v4l_dbg(1, msp_debug, client, |
| 232 | "set_audmode called with mode=%d instead of set_source (ignored)\n", |
| 233 | state->audmode); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 234 | return; |
| 235 | } |
| 236 | |
| 237 | /* switch demodulator */ |
| 238 | switch (state->mode) { |
| 239 | case MSP_MODE_FM_TERRA: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 240 | v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr); |
| 241 | switch (state->audmode) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 242 | case V4L2_TUNER_MODE_STEREO: |
| 243 | msp_write_dsp(client, 0x000e, 0x3001); |
| 244 | break; |
| 245 | case V4L2_TUNER_MODE_MONO: |
| 246 | case V4L2_TUNER_MODE_LANG1: |
| 247 | case V4L2_TUNER_MODE_LANG2: |
| 248 | msp_write_dsp(client, 0x000e, 0x3000); |
| 249 | break; |
| 250 | } |
| 251 | break; |
| 252 | case MSP_MODE_FM_SAT: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 253 | v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr); |
| 254 | switch (state->audmode) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 255 | case V4L2_TUNER_MODE_MONO: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 256 | msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 257 | break; |
| 258 | case V4L2_TUNER_MODE_STEREO: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 259 | msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 260 | break; |
| 261 | case V4L2_TUNER_MODE_LANG1: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 262 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 263 | break; |
| 264 | case V4L2_TUNER_MODE_LANG2: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 265 | msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 266 | break; |
| 267 | } |
| 268 | break; |
| 269 | case MSP_MODE_FM_NICAM1: |
| 270 | case MSP_MODE_FM_NICAM2: |
| 271 | case MSP_MODE_AM_NICAM: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 272 | v4l_dbg(1, msp_debug, client, "NICAM set_audmode: %s\n",modestr); |
| 273 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 274 | if (state->nicam_on) |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 275 | src = 0x0100; /* NICAM */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 276 | break; |
| 277 | case MSP_MODE_BTSC: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 278 | v4l_dbg(1, msp_debug, client, "BTSC set_audmode: %s\n",modestr); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 279 | break; |
| 280 | case MSP_MODE_EXTERN: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 281 | v4l_dbg(1, msp_debug, client, "extern set_audmode: %s\n",modestr); |
| 282 | src = 0x0200; /* SCART */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 283 | break; |
| 284 | case MSP_MODE_FM_RADIO: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 285 | v4l_dbg(1, msp_debug, client, "FM-Radio set_audmode: %s\n",modestr); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 286 | break; |
| 287 | default: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 288 | v4l_dbg(1, msp_debug, client, "mono set_audmode\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 289 | return; |
| 290 | } |
| 291 | |
| 292 | /* switch audio */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 293 | switch (state->audmode) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 294 | case V4L2_TUNER_MODE_STEREO: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 295 | src |= 0x0020; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 296 | break; |
| 297 | case V4L2_TUNER_MODE_MONO: |
| 298 | if (state->mode == MSP_MODE_AM_NICAM) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 299 | v4l_dbg(1, msp_debug, client, "switching to AM mono\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 300 | /* AM mono decoding is handled by tuner, not MSP chip */ |
| 301 | /* SCART switching control register */ |
| 302 | msp_set_scart(client, SCART_MONO, 0); |
| 303 | src = 0x0200; |
| 304 | break; |
| 305 | } |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 306 | if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) |
| 307 | src = 0x0030; |
| 308 | break; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 309 | case V4L2_TUNER_MODE_LANG1: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 310 | /* switch to stereo for stereo transmission, otherwise |
| 311 | keep first language */ |
| 312 | if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) |
| 313 | src |= 0x0020; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 314 | break; |
| 315 | case V4L2_TUNER_MODE_LANG2: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 316 | src |= 0x0010; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 317 | break; |
| 318 | } |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 319 | v4l_dbg(1, msp_debug, client, "set_audmode final source/matrix = 0x%x\n", src); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 320 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 321 | msp_set_source(client, src); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | static void msp3400c_print_mode(struct i2c_client *client) |
| 325 | { |
| 326 | struct msp_state *state = i2c_get_clientdata(client); |
| 327 | |
| 328 | if (state->main == state->second) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 329 | v4l_dbg(1, msp_debug, client, "mono sound carrier: %d.%03d MHz\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 330 | state->main / 910000, (state->main / 910) % 1000); |
| 331 | } else { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 332 | v4l_dbg(1, msp_debug, client, "main sound carrier: %d.%03d MHz\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 333 | state->main / 910000, (state->main / 910) % 1000); |
| 334 | } |
| 335 | if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2) |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 336 | v4l_dbg(1, msp_debug, client, "NICAM/FM carrier : %d.%03d MHz\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 337 | state->second / 910000, (state->second/910) % 1000); |
| 338 | if (state->mode == MSP_MODE_AM_NICAM) |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 339 | v4l_dbg(1, msp_debug, client, "NICAM/AM carrier : %d.%03d MHz\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 340 | state->second / 910000, (state->second / 910) % 1000); |
| 341 | if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 342 | v4l_dbg(1, msp_debug, client, "FM-stereo carrier : %d.%03d MHz\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 343 | state->second / 910000, (state->second / 910) % 1000); |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | /* ----------------------------------------------------------------------- */ |
| 348 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 349 | static int msp3400c_detect_stereo(struct i2c_client *client) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 350 | { |
| 351 | struct msp_state *state = i2c_get_clientdata(client); |
| 352 | int val; |
| 353 | int rxsubchans = state->rxsubchans; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 354 | int newnicam = state->nicam_on; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 355 | int update = 0; |
| 356 | |
| 357 | switch (state->mode) { |
| 358 | case MSP_MODE_FM_TERRA: |
| 359 | val = msp_read_dsp(client, 0x18); |
| 360 | if (val > 32767) |
| 361 | val -= 65536; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 362 | v4l_dbg(2, msp_debug, client, "stereo detect register: %d\n", val); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 363 | if (val > 4096) { |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 364 | rxsubchans = V4L2_TUNER_SUB_STEREO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 365 | } else if (val < -4096) { |
| 366 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| 367 | } else { |
| 368 | rxsubchans = V4L2_TUNER_SUB_MONO; |
| 369 | } |
| 370 | newnicam = 0; |
| 371 | break; |
| 372 | case MSP_MODE_FM_NICAM1: |
| 373 | case MSP_MODE_FM_NICAM2: |
| 374 | case MSP_MODE_AM_NICAM: |
| 375 | val = msp_read_dem(client, 0x23); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 376 | v4l_dbg(2, msp_debug, client, "nicam sync=%d, mode=%d\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 377 | val & 1, (val & 0x1e) >> 1); |
| 378 | |
| 379 | if (val & 1) { |
| 380 | /* nicam synced */ |
| 381 | switch ((val & 0x1e) >> 1) { |
| 382 | case 0: |
| 383 | case 8: |
| 384 | rxsubchans = V4L2_TUNER_SUB_STEREO; |
| 385 | break; |
| 386 | case 1: |
| 387 | case 9: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 388 | rxsubchans = V4L2_TUNER_SUB_MONO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 389 | break; |
| 390 | case 2: |
| 391 | case 10: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 392 | rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 393 | break; |
| 394 | default: |
| 395 | rxsubchans = V4L2_TUNER_SUB_MONO; |
| 396 | break; |
| 397 | } |
| 398 | newnicam = 1; |
| 399 | } else { |
| 400 | newnicam = 0; |
| 401 | rxsubchans = V4L2_TUNER_SUB_MONO; |
| 402 | } |
| 403 | break; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 404 | } |
| 405 | if (rxsubchans != state->rxsubchans) { |
| 406 | update = 1; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 407 | v4l_dbg(1, msp_debug, client, "watch: rxsubchans %02x => %02x\n", |
| 408 | state->rxsubchans, rxsubchans); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 409 | state->rxsubchans = rxsubchans; |
| 410 | } |
| 411 | if (newnicam != state->nicam_on) { |
| 412 | update = 1; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 413 | v4l_dbg(1, msp_debug, client, "watch: nicam %d => %d\n", |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 414 | state->nicam_on, newnicam); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 415 | state->nicam_on = newnicam; |
| 416 | } |
| 417 | return update; |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * A kernel thread for msp3400 control -- we don't want to block the |
| 422 | * in the ioctl while doing the sound carrier & stereo detect |
| 423 | */ |
| 424 | /* stereo/multilang monitoring */ |
| 425 | static void watch_stereo(struct i2c_client *client) |
| 426 | { |
| 427 | struct msp_state *state = i2c_get_clientdata(client); |
| 428 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 429 | if (msp3400c_detect_stereo(client)) { |
| 430 | msp3400c_set_audmode(client); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 431 | } |
| 432 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 433 | if (msp_once) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 434 | state->watch_stereo = 0; |
| 435 | } |
| 436 | |
| 437 | int msp3400c_thread(void *data) |
| 438 | { |
| 439 | struct i2c_client *client = data; |
| 440 | struct msp_state *state = i2c_get_clientdata(client); |
| 441 | struct msp3400c_carrier_detect *cd; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 442 | int count, max1, max2, val1, val2, val, this; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 443 | |
| 444 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 445 | v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 446 | for (;;) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 447 | v4l_dbg(2, msp_debug, client, "msp3400 thread: sleep\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 448 | msp_sleep(state, -1); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 449 | v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 450 | |
| 451 | restart: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 452 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 453 | state->restart = 0; |
| 454 | if (kthread_should_stop()) |
| 455 | break; |
| 456 | |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 457 | if (state->radio || MSP_MODE_EXTERN == state->mode) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 458 | /* no carrier scan, just unmute */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 459 | v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 460 | msp_set_audio(client); |
| 461 | continue; |
| 462 | } |
| 463 | |
| 464 | /* mute */ |
| 465 | msp_set_mute(client); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 466 | msp3400c_set_mode(client, MSP_MODE_AM_DETECT /* +1 */ ); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 467 | val1 = val2 = 0; |
| 468 | max1 = max2 = -1; |
| 469 | state->watch_stereo = 0; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 470 | state->nicam_on = 0; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 471 | |
| 472 | /* some time for the tuner to sync */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 473 | if (msp_sleep(state, 200)) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 474 | goto restart; |
| 475 | |
| 476 | /* carrier detect pass #1 -- main carrier */ |
| 477 | cd = msp3400c_carrier_detect_main; |
| 478 | count = ARRAY_SIZE(msp3400c_carrier_detect_main); |
| 479 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 480 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 481 | /* autodetect doesn't work well with AM ... */ |
| 482 | max1 = 3; |
| 483 | count = 0; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 484 | v4l_dbg(1, msp_debug, client, "AM sound override\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | for (this = 0; this < count; this++) { |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 488 | msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 489 | if (msp_sleep(state,100)) |
| 490 | goto restart; |
| 491 | val = msp_read_dsp(client, 0x1b); |
| 492 | if (val > 32767) |
| 493 | val -= 65536; |
| 494 | if (val1 < val) |
| 495 | val1 = val, max1 = this; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 496 | v4l_dbg(1, msp_debug, client, "carrier1 val: %5d / %s\n", val,cd[this].name); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | /* carrier detect pass #2 -- second (stereo) carrier */ |
| 500 | switch (max1) { |
| 501 | case 1: /* 5.5 */ |
| 502 | cd = msp3400c_carrier_detect_55; |
| 503 | count = ARRAY_SIZE(msp3400c_carrier_detect_55); |
| 504 | break; |
| 505 | case 3: /* 6.5 */ |
| 506 | cd = msp3400c_carrier_detect_65; |
| 507 | count = ARRAY_SIZE(msp3400c_carrier_detect_65); |
| 508 | break; |
| 509 | case 0: /* 4.5 */ |
| 510 | case 2: /* 6.0 */ |
| 511 | default: |
| 512 | cd = NULL; |
| 513 | count = 0; |
| 514 | break; |
| 515 | } |
| 516 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 517 | if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 518 | /* autodetect doesn't work well with AM ... */ |
| 519 | cd = NULL; |
| 520 | count = 0; |
| 521 | max2 = 0; |
| 522 | } |
| 523 | for (this = 0; this < count; this++) { |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 524 | msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 525 | if (msp_sleep(state,100)) |
| 526 | goto restart; |
| 527 | val = msp_read_dsp(client, 0x1b); |
| 528 | if (val > 32767) |
| 529 | val -= 65536; |
| 530 | if (val2 < val) |
| 531 | val2 = val, max2 = this; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 532 | v4l_dbg(1, msp_debug, client, "carrier2 val: %5d / %s\n", val,cd[this].name); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | /* program the msp3400 according to the results */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 536 | state->main = msp3400c_carrier_detect_main[max1].cdo; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 537 | switch (max1) { |
| 538 | case 1: /* 5.5 */ |
| 539 | if (max2 == 0) { |
| 540 | /* B/G FM-stereo */ |
| 541 | state->second = msp3400c_carrier_detect_55[max2].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 542 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 543 | state->watch_stereo = 1; |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 544 | } else if (max2 == 1 && state->has_nicam) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 545 | /* B/G NICAM */ |
| 546 | state->second = msp3400c_carrier_detect_55[max2].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 547 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
| 548 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 549 | state->nicam_on = 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 550 | state->watch_stereo = 1; |
| 551 | } else { |
| 552 | goto no_second; |
| 553 | } |
| 554 | break; |
| 555 | case 2: /* 6.0 */ |
| 556 | /* PAL I NICAM */ |
| 557 | state->second = MSP_CARRIER(6.552); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 558 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM2); |
| 559 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 560 | state->nicam_on = 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 561 | state->watch_stereo = 1; |
| 562 | break; |
| 563 | case 3: /* 6.5 */ |
| 564 | if (max2 == 1 || max2 == 2) { |
| 565 | /* D/K FM-stereo */ |
| 566 | state->second = msp3400c_carrier_detect_65[max2].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 567 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 568 | state->watch_stereo = 1; |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 569 | } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 570 | /* L NICAM or AM-mono */ |
| 571 | state->second = msp3400c_carrier_detect_65[max2].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 572 | msp3400c_set_mode(client, MSP_MODE_AM_NICAM); |
| 573 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 574 | /* volume prescale for SCART (AM mono input) */ |
| 575 | msp_write_dsp(client, 0x000d, 0x1900); |
| 576 | state->watch_stereo = 1; |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 577 | } else if (max2 == 0 && state->has_nicam) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 578 | /* D/K NICAM */ |
| 579 | state->second = msp3400c_carrier_detect_65[max2].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 580 | msp3400c_set_mode(client, MSP_MODE_FM_NICAM1); |
| 581 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 582 | state->nicam_on = 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 583 | state->watch_stereo = 1; |
| 584 | } else { |
| 585 | goto no_second; |
| 586 | } |
| 587 | break; |
| 588 | case 0: /* 4.5 */ |
| 589 | default: |
| 590 | no_second: |
| 591 | state->second = msp3400c_carrier_detect_main[max1].cdo; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 592 | msp3400c_set_mode(client, MSP_MODE_FM_TERRA); |
| 593 | msp3400c_set_carrier(client, state->second, state->main); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 594 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 595 | break; |
| 596 | } |
| 597 | |
| 598 | /* unmute */ |
| 599 | msp_set_audio(client); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 600 | msp3400c_set_audmode(client); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 601 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 602 | if (msp_debug) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 603 | msp3400c_print_mode(client); |
| 604 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 605 | /* monitor tv audio mode, the first time don't wait |
| 606 | so long to get a quick stereo/bilingual result */ |
| 607 | if (msp_sleep(state, 1000)) |
| 608 | goto restart; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 609 | while (state->watch_stereo) { |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 610 | if (msp_sleep(state, 5000)) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 611 | goto restart; |
| 612 | watch_stereo(client); |
| 613 | } |
| 614 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 615 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 616 | return 0; |
| 617 | } |
| 618 | |
| 619 | |
| 620 | int msp3410d_thread(void *data) |
| 621 | { |
| 622 | struct i2c_client *client = data; |
| 623 | struct msp_state *state = i2c_get_clientdata(client); |
Hans Verkuil | d312a46 | 2006-01-09 18:21:36 -0200 | [diff] [blame] | 624 | int val, i, std; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 625 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 626 | v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 627 | |
| 628 | for (;;) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 629 | v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 630 | msp_sleep(state,-1); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 631 | v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 632 | |
| 633 | restart: |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 634 | v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 635 | state->restart = 0; |
| 636 | if (kthread_should_stop()) |
| 637 | break; |
| 638 | |
| 639 | if (state->mode == MSP_MODE_EXTERN) { |
| 640 | /* no carrier scan needed, just unmute */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 641 | v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 642 | msp_set_audio(client); |
| 643 | continue; |
| 644 | } |
| 645 | |
| 646 | /* put into sane state (and mute) */ |
| 647 | msp_reset(client); |
| 648 | |
| 649 | /* some time for the tuner to sync */ |
| 650 | if (msp_sleep(state,200)) |
| 651 | goto restart; |
| 652 | |
| 653 | /* start autodetect */ |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 654 | if (state->radio) |
| 655 | std = 0x40; |
Hans Verkuil | d312a46 | 2006-01-09 18:21:36 -0200 | [diff] [blame] | 656 | else |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 657 | std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 658 | state->watch_stereo = 0; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 659 | state->nicam_on = 0; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 660 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 661 | if (msp_debug) |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 662 | v4l_dbg(2, msp_debug, client, "setting standard: %s (0x%04x)\n", |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 663 | msp_standard_std_name(std), std); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 664 | |
| 665 | if (std != 1) { |
| 666 | /* programmed some specific mode */ |
| 667 | val = std; |
| 668 | } else { |
| 669 | /* triggered autodetect */ |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 670 | msp_write_dem(client, 0x20, std); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 671 | for (;;) { |
Hans Verkuil | d312a46 | 2006-01-09 18:21:36 -0200 | [diff] [blame] | 672 | if (msp_sleep(state, 100)) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 673 | goto restart; |
| 674 | |
| 675 | /* check results */ |
| 676 | val = msp_read_dem(client, 0x7e); |
| 677 | if (val < 0x07ff) |
| 678 | break; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 679 | v4l_dbg(2, msp_debug, client, "detection still in progress\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 680 | } |
| 681 | } |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 682 | for (i = 0; msp_stdlist[i].name != NULL; i++) |
| 683 | if (msp_stdlist[i].retval == val) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 684 | break; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 685 | v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 686 | msp_standard_std_name(val), val); |
| 687 | state->main = msp_stdlist[i].main; |
| 688 | state->second = msp_stdlist[i].second; |
| 689 | state->std = val; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 690 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 691 | if (msp_amsound && !state->radio && (state->v4l2_std & V4L2_STD_SECAM) && |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 692 | (val != 0x0009)) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 693 | /* autodetection has failed, let backup */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 694 | v4l_dbg(1, msp_debug, client, "autodetection failed," |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 695 | " switching to backup standard: %s (0x%04x)\n", |
| 696 | msp_stdlist[8].name ? msp_stdlist[8].name : "unknown",val); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 697 | val = 0x0009; |
| 698 | msp_write_dem(client, 0x20, val); |
| 699 | } |
| 700 | |
| 701 | /* set various prescales */ |
| 702 | msp_write_dsp(client, 0x0d, 0x1900); /* scart */ |
| 703 | msp_write_dsp(client, 0x0e, 0x2403); /* FM */ |
| 704 | msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ |
| 705 | |
| 706 | /* set stereo */ |
| 707 | switch (val) { |
| 708 | case 0x0008: /* B/G NICAM */ |
| 709 | case 0x000a: /* I NICAM */ |
| 710 | if (val == 0x0008) |
| 711 | state->mode = MSP_MODE_FM_NICAM1; |
| 712 | else |
| 713 | state->mode = MSP_MODE_FM_NICAM2; |
| 714 | /* just turn on stereo */ |
| 715 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
| 716 | state->nicam_on = 1; |
| 717 | state->watch_stereo = 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 718 | break; |
| 719 | case 0x0009: |
| 720 | state->mode = MSP_MODE_AM_NICAM; |
| 721 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 722 | state->nicam_on = 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 723 | state->watch_stereo = 1; |
| 724 | break; |
| 725 | case 0x0020: /* BTSC */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 726 | /* The pre-'G' models only have BTSC-mono */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 727 | state->mode = MSP_MODE_BTSC; |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 728 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 729 | break; |
| 730 | case 0x0040: /* FM radio */ |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 731 | state->mode = MSP_MODE_FM_RADIO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 732 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 733 | /* not needed in theory if we have radio, but |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 734 | short programming enables carrier mute */ |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 735 | msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
| 736 | msp3400c_set_carrier(client, MSP_CARRIER(10.7), |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 737 | MSP_CARRIER(10.7)); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 738 | /* scart routing (this doesn't belong here I think) */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 739 | msp_set_scart(client,SCART_IN2,0); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 740 | break; |
| 741 | case 0x0003: |
| 742 | case 0x0004: |
| 743 | case 0x0005: |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 744 | state->mode = MSP_MODE_FM_TERRA; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 745 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 746 | state->watch_stereo = 1; |
| 747 | break; |
| 748 | } |
| 749 | |
| 750 | /* unmute, restore misc registers */ |
| 751 | msp_set_audio(client); |
| 752 | msp_write_dsp(client, 0x13, state->acb); |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 753 | if (state->has_i2s_conf) |
| 754 | msp_write_dem(client, 0x40, state->i2s_mode); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 755 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 756 | msp3400c_set_audmode(client); |
| 757 | |
| 758 | /* monitor tv audio mode, the first time don't wait |
| 759 | so long to get a quick stereo/bilingual result */ |
| 760 | if (msp_sleep(state, 1000)) |
| 761 | goto restart; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 762 | while (state->watch_stereo) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 763 | watch_stereo(client); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 764 | if (msp_sleep(state, 5000)) |
| 765 | goto restart; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 766 | } |
| 767 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 768 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 769 | return 0; |
| 770 | } |
| 771 | |
| 772 | /* ----------------------------------------------------------------------- */ |
| 773 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 774 | /* msp34xxG + (autoselect no-thread) */ |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 775 | /* this one uses both automatic standard detection and automatic sound */ |
| 776 | /* select which are available in the newer G versions */ |
| 777 | /* struct msp: only norm, acb and source are really used in this mode */ |
| 778 | |
| 779 | /* set the same 'source' for the loudspeaker, scart and quasi-peak detector |
| 780 | * the value for source is the same as bit 15:8 of DSP registers 0x08, |
| 781 | * 0x0a and 0x0c: 0=mono, 1=stereo or A|B, 2=SCART, 3=stereo or A, 4=stereo or B |
| 782 | * |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 783 | * this function replaces msp3400c_set_audmode |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 784 | */ |
| 785 | static void msp34xxg_set_source(struct i2c_client *client, int source) |
| 786 | { |
| 787 | struct msp_state *state = i2c_get_clientdata(client); |
| 788 | |
| 789 | /* fix matrix mode to stereo and let the msp choose what |
| 790 | * to output according to 'source', as recommended |
| 791 | * for MONO (source==0) downmixing set bit[7:0] to 0x30 |
| 792 | */ |
| 793 | int value = (source & 0x07) << 8 | (source == 0 ? 0x30 : 0x20); |
| 794 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 795 | v4l_dbg(1, msp_debug, client, "set source to %d (0x%x)\n", source, value); |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 796 | msp_set_source(client, value); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 797 | /* |
| 798 | * set identification threshold. Personally, I |
| 799 | * I set it to a higher value that the default |
| 800 | * of 0x190 to ignore noisy stereo signals. |
| 801 | * this needs tuning. (recommended range 0x00a0-0x03c0) |
| 802 | * 0x7f0 = forced mono mode |
| 803 | */ |
| 804 | /* a2 threshold for stereo/bilingual */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 805 | msp_write_dem(client, 0x22, msp_stereo_thresh); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 806 | state->source = source; |
| 807 | } |
| 808 | |
Hans Verkuil | 9a80a93 | 2006-03-19 07:25:42 -0300 | [diff] [blame^] | 809 | static int msp34xxg_modus(struct i2c_client *client) |
| 810 | { |
| 811 | struct msp_state *state = i2c_get_clientdata(client); |
| 812 | |
| 813 | if (state->radio) { |
| 814 | v4l_dbg(1, msp_debug, client, "selected radio modus\n"); |
| 815 | return 0x0001; |
| 816 | } |
| 817 | |
| 818 | if (state->v4l2_std & V4L2_STD_PAL) { |
| 819 | v4l_dbg(1, msp_debug, client, "selected PAL modus\n"); |
| 820 | return 0x7001; |
| 821 | } |
| 822 | if (state->v4l2_std == V4L2_STD_NTSC_M_JP) { |
| 823 | v4l_dbg(1, msp_debug, client, "selected M (EIA-J) modus\n"); |
| 824 | return 0x4001; |
| 825 | } |
| 826 | if (state->v4l2_std == V4L2_STD_NTSC_M_KR) { |
| 827 | v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n"); |
| 828 | return 0x0001; |
| 829 | } |
| 830 | if (state->v4l2_std & V4L2_STD_MN) { |
| 831 | v4l_dbg(1, msp_debug, client, "selected M (BTSC) modus\n"); |
| 832 | return 0x2001; |
| 833 | } |
| 834 | if (state->v4l2_std & V4L2_STD_SECAM) { |
| 835 | v4l_dbg(1, msp_debug, client, "selected SECAM modus\n"); |
| 836 | return 0x6001; |
| 837 | } |
| 838 | return 0x0001; |
| 839 | } |
| 840 | |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 841 | /* (re-)initialize the msp34xxg, according to the current norm in state->norm |
| 842 | * return 0 if it worked, -1 if it failed |
| 843 | */ |
| 844 | static int msp34xxg_reset(struct i2c_client *client) |
| 845 | { |
| 846 | struct msp_state *state = i2c_get_clientdata(client); |
| 847 | int modus, std; |
| 848 | |
| 849 | if (msp_reset(client)) |
| 850 | return -1; |
| 851 | |
| 852 | /* make sure that input/output is muted (paranoid mode) */ |
| 853 | /* ACB, mute DSP input, mute SCART 1 */ |
| 854 | if (msp_write_dsp(client, 0x13, 0x0f20)) |
| 855 | return -1; |
| 856 | |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 857 | if (state->has_i2s_conf) |
| 858 | msp_write_dem(client, 0x40, state->i2s_mode); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 859 | |
| 860 | /* step-by-step initialisation, as described in the manual */ |
Hans Verkuil | 9a80a93 | 2006-03-19 07:25:42 -0300 | [diff] [blame^] | 861 | modus = msp34xxg_modus(client); |
Hans Verkuil | 7560d7a | 2006-01-09 18:21:32 -0200 | [diff] [blame] | 862 | if (state->radio) |
| 863 | std = 0x40; |
| 864 | else |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 865 | std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 866 | modus &= ~0x03; /* STATUS_CHANGE = 0 */ |
| 867 | modus |= 0x01; /* AUTOMATIC_SOUND_DETECTION = 1 */ |
| 868 | if (msp_write_dem(client, 0x30, modus)) |
| 869 | return -1; |
| 870 | if (msp_write_dem(client, 0x20, std)) |
| 871 | return -1; |
| 872 | |
| 873 | /* write the dsps that may have an influence on |
| 874 | standard/audio autodetection right now */ |
| 875 | msp34xxg_set_source(client, state->source); |
| 876 | |
| 877 | /* AM/FM Prescale [15:8] 75khz deviation */ |
| 878 | if (msp_write_dsp(client, 0x0e, 0x3000)) |
| 879 | return -1; |
| 880 | |
| 881 | /* NICAM Prescale 9db gain (as recommended) */ |
| 882 | if (msp_write_dsp(client, 0x10, 0x5a00)) |
| 883 | return -1; |
| 884 | |
| 885 | return 0; |
| 886 | } |
| 887 | |
| 888 | int msp34xxg_thread(void *data) |
| 889 | { |
| 890 | struct i2c_client *client = data; |
| 891 | struct msp_state *state = i2c_get_clientdata(client); |
| 892 | int val, std, i; |
| 893 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 894 | v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 895 | |
| 896 | state->source = 1; /* default */ |
| 897 | for (;;) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 898 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 899 | msp_sleep(state, -1); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 900 | v4l_dbg(2, msp_debug, client, "msp34xxg thread: wakeup\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 901 | |
| 902 | restart: |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 903 | v4l_dbg(1, msp_debug, client, "thread: restart scan\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 904 | state->restart = 0; |
| 905 | if (kthread_should_stop()) |
| 906 | break; |
| 907 | |
| 908 | /* setup the chip*/ |
| 909 | msp34xxg_reset(client); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 910 | std = msp_standard; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 911 | if (std != 0x01) |
| 912 | goto unmute; |
| 913 | |
| 914 | /* watch autodetect */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 915 | v4l_dbg(1, msp_debug, client, "triggered autodetect, waiting for result\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 916 | for (i = 0; i < 10; i++) { |
| 917 | if (msp_sleep(state, 100)) |
| 918 | goto restart; |
| 919 | |
| 920 | /* check results */ |
| 921 | val = msp_read_dem(client, 0x7e); |
| 922 | if (val < 0x07ff) { |
| 923 | std = val; |
| 924 | break; |
| 925 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 926 | v4l_dbg(2, msp_debug, client, "detection still in progress\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 927 | } |
| 928 | if (std == 1) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 929 | v4l_dbg(1, msp_debug, client, "detection still in progress after 10 tries. giving up.\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 930 | continue; |
| 931 | } |
| 932 | |
| 933 | unmute: |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 934 | state->std = std; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 935 | v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", |
Hans Verkuil | 5af0c8f | 2006-01-09 18:21:37 -0200 | [diff] [blame] | 936 | msp_standard_std_name(std), std); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 937 | |
| 938 | /* unmute: dispatch sound to scart output, set scart volume */ |
| 939 | msp_set_audio(client); |
| 940 | |
| 941 | /* restore ACB */ |
| 942 | if (msp_write_dsp(client, 0x13, state->acb)) |
| 943 | return -1; |
| 944 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 945 | if (state->has_i2s_conf) |
| 946 | msp_write_dem(client, 0x40, state->i2s_mode); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 947 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 948 | v4l_dbg(1, msp_debug, client, "thread: exit\n"); |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 949 | return 0; |
| 950 | } |
| 951 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 952 | static void msp34xxg_detect_stereo(struct i2c_client *client) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 953 | { |
| 954 | struct msp_state *state = i2c_get_clientdata(client); |
| 955 | |
| 956 | int status = msp_read_dem(client, 0x0200); |
| 957 | int is_bilingual = status & 0x100; |
| 958 | int is_stereo = status & 0x40; |
| 959 | |
| 960 | state->rxsubchans = 0; |
| 961 | if (is_stereo) |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 962 | state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 963 | else |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 964 | state->rxsubchans = V4L2_TUNER_SUB_MONO; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 965 | if (is_bilingual) { |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 966 | state->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 967 | /* I'm supposed to check whether it's SAP or not |
| 968 | * and set only LANG2/SAP in this case. Yet, the MSP |
| 969 | * does a lot of work to hide this and handle everything |
| 970 | * the same way. I don't want to work around it so unless |
| 971 | * this is a problem, I'll handle SAP just like lang1/lang2. |
| 972 | */ |
| 973 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 974 | v4l_dbg(1, msp_debug, client, "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 975 | status, is_stereo, is_bilingual, state->rxsubchans); |
| 976 | } |
| 977 | |
Adrian Bunk | 044f324 | 2006-03-08 10:50:07 -0300 | [diff] [blame] | 978 | static void msp34xxg_set_audmode(struct i2c_client *client) |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 979 | { |
| 980 | struct msp_state *state = i2c_get_clientdata(client); |
| 981 | int source; |
| 982 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 983 | switch (state->audmode) { |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 984 | case V4L2_TUNER_MODE_MONO: |
| 985 | source = 0; /* mono only */ |
| 986 | break; |
| 987 | case V4L2_TUNER_MODE_STEREO: |
| 988 | source = 1; /* stereo or A|B, see comment in msp34xxg_get_v4l2_stereo() */ |
| 989 | /* problem: that could also mean 2 (scart input) */ |
| 990 | break; |
| 991 | case V4L2_TUNER_MODE_LANG1: |
| 992 | source = 3; /* stereo or A */ |
| 993 | break; |
| 994 | case V4L2_TUNER_MODE_LANG2: |
| 995 | source = 4; /* stereo or B */ |
| 996 | break; |
| 997 | default: |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 998 | source = 1; |
| 999 | break; |
| 1000 | } |
Hans Verkuil | 7e8b09e | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 1001 | msp34xxg_set_source(client, source); |
| 1002 | } |
| 1003 | |
Hans Verkuil | 8a4b275 | 2006-01-23 17:11:09 -0200 | [diff] [blame] | 1004 | void msp_set_audmode(struct i2c_client *client) |
| 1005 | { |
| 1006 | struct msp_state *state = i2c_get_clientdata(client); |
| 1007 | |
| 1008 | switch (state->opmode) { |
| 1009 | case OPMODE_MANUAL: |
| 1010 | case OPMODE_AUTODETECT: |
| 1011 | state->watch_stereo = 0; |
| 1012 | msp3400c_set_audmode(client); |
| 1013 | break; |
| 1014 | case OPMODE_AUTOSELECT: |
| 1015 | msp34xxg_set_audmode(client); |
| 1016 | break; |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | void msp_detect_stereo(struct i2c_client *client) |
| 1021 | { |
| 1022 | struct msp_state *state = i2c_get_clientdata(client); |
| 1023 | |
| 1024 | switch (state->opmode) { |
| 1025 | case OPMODE_MANUAL: |
| 1026 | case OPMODE_AUTODETECT: |
| 1027 | msp3400c_detect_stereo(client); |
| 1028 | break; |
| 1029 | case OPMODE_AUTOSELECT: |
| 1030 | msp34xxg_detect_stereo(client); |
| 1031 | break; |
| 1032 | } |
| 1033 | } |
| 1034 | |