1016 строки
30 KiB
C
1016 строки
30 KiB
C
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/*
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* Programming the mspx4xx sound processor family
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*
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* (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/videodev.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/audiochip.h>
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#include <linux/kthread.h>
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#include <linux/suspend.h>
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#include "msp3400.h"
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/* this one uses the automatic sound standard detection of newer msp34xx
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chip versions */
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static struct {
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int retval;
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int main, second;
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char *name;
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} msp_modelist[] = {
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{ 0x0000, 0, 0, "could not detect sound standard" },
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{ 0x0001, 0, 0, "autodetect start" },
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{ 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" },
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{ 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" },
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{ 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" },
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{ 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" },
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{ 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" },
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{ 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" },
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{ 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" },
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{ 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" },
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{ 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" },
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{ 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" },
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{ 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" },
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{ 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" },
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{ 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" },
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{ 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" },
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{ 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" },
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{ 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" },
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{ 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" },
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{ -1, 0, 0, NULL }, /* EOF */
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};
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static struct msp3400c_init_data_dem {
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int fir1[6];
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int fir2[6];
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int cdo1;
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int cdo2;
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int ad_cv;
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int mode_reg;
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int dsp_src;
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int dsp_matrix;
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} msp3400c_init_data[] = {
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{ /* AM (for carrier detect / msp3400) */
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{75, 19, 36, 35, 39, 40},
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{75, 19, 36, 35, 39, 40},
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MSP_CARRIER(5.5), MSP_CARRIER(5.5),
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0x00d0, 0x0500, 0x0020, 0x3000
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},{ /* AM (for carrier detect / msp3410) */
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{-1, -1, -8, 2, 59, 126},
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{-1, -1, -8, 2, 59, 126},
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MSP_CARRIER(5.5), MSP_CARRIER(5.5),
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0x00d0, 0x0100, 0x0020, 0x3000
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},{ /* FM Radio */
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{-8, -8, 4, 6, 78, 107},
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{-8, -8, 4, 6, 78, 107},
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MSP_CARRIER(10.7), MSP_CARRIER(10.7),
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0x00d0, 0x0480, 0x0020, 0x3000
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},{ /* Terrestial FM-mono + FM-stereo */
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{3, 18, 27, 48, 66, 72},
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{3, 18, 27, 48, 66, 72},
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MSP_CARRIER(5.5), MSP_CARRIER(5.5),
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0x00d0, 0x0480, 0x0030, 0x3000
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},{ /* Sat FM-mono */
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{ 1, 9, 14, 24, 33, 37},
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{ 3, 18, 27, 48, 66, 72},
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MSP_CARRIER(6.5), MSP_CARRIER(6.5),
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0x00c6, 0x0480, 0x0000, 0x3000
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},{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */
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{-2, -8, -10, 10, 50, 86},
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{3, 18, 27, 48, 66, 72},
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MSP_CARRIER(5.5), MSP_CARRIER(5.5),
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0x00d0, 0x0040, 0x0120, 0x3000
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},{ /* NICAM/FM -- I (6.0/6.552) */
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{2, 4, -6, -4, 40, 94},
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{3, 18, 27, 48, 66, 72},
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MSP_CARRIER(6.0), MSP_CARRIER(6.0),
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0x00d0, 0x0040, 0x0120, 0x3000
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},{ /* NICAM/AM -- L (6.5/5.85) */
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{-2, -8, -10, 10, 50, 86},
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{-4, -12, -9, 23, 79, 126},
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MSP_CARRIER(6.5), MSP_CARRIER(6.5),
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0x00c6, 0x0140, 0x0120, 0x7c03
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},
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};
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struct msp3400c_carrier_detect {
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int cdo;
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char *name;
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};
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static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = {
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/* main carrier */
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{ MSP_CARRIER(4.5), "4.5 NTSC" },
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{ MSP_CARRIER(5.5), "5.5 PAL B/G" },
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{ MSP_CARRIER(6.0), "6.0 PAL I" },
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{ MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" }
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};
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static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = {
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/* PAL B/G */
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{ MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" },
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{ MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" }
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};
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static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = {
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/* PAL SAT / SECAM */
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{ MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" },
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{ MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" },
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{ MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" },
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{ MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" },
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{ MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" },
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{ MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" },
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};
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/* ------------------------------------------------------------------------ */
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const char *msp_standard_mode_name(int mode)
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{
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int i;
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for (i = 0; msp_modelist[i].name != NULL; i++)
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if (msp_modelist[i].retval == mode)
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return msp_modelist[i].name;
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return "unknown";
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}
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void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2)
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{
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msp_write_dem(client, 0x0093, cdo1 & 0xfff);
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msp_write_dem(client, 0x009b, cdo1 >> 12);
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msp_write_dem(client, 0x00a3, cdo2 & 0xfff);
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msp_write_dem(client, 0x00ab, cdo2 >> 12);
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msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
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}
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void msp3400c_setmode(struct i2c_client *client, int type)
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{
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struct msp_state *state = i2c_get_clientdata(client);
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int i;
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v4l_dbg(1, client, "setmode: %d\n", type);
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state->mode = type;
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state->audmode = V4L2_TUNER_MODE_MONO;
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state->rxsubchans = V4L2_TUNER_SUB_MONO;
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msp_write_dem(client, 0x00bb, msp3400c_init_data[type].ad_cv);
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for (i = 5; i >= 0; i--) /* fir 1 */
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msp_write_dem(client, 0x0001, msp3400c_init_data[type].fir1[i]);
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msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */
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msp_write_dem(client, 0x0005, 0x0040);
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msp_write_dem(client, 0x0005, 0x0000);
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for (i = 5; i >= 0; i--)
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msp_write_dem(client, 0x0005, msp3400c_init_data[type].fir2[i]);
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msp_write_dem(client, 0x0083, msp3400c_init_data[type].mode_reg);
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msp3400c_setcarrier(client, msp3400c_init_data[type].cdo1,
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msp3400c_init_data[type].cdo2);
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msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
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if (dolby) {
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msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */
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msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */
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msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src);
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} else {
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msp_write_dsp(client, 0x0008, msp3400c_init_data[type].dsp_src);
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msp_write_dsp(client, 0x0009, msp3400c_init_data[type].dsp_src);
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msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src);
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}
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msp_write_dsp(client, 0x000a, msp3400c_init_data[type].dsp_src);
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msp_write_dsp(client, 0x000e, msp3400c_init_data[type].dsp_matrix);
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if (HAVE_NICAM(state)) {
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/* nicam prescale */
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msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */
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}
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}
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/* given a bitmask of VIDEO_SOUND_XXX returns the "best" in the bitmask */
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static int msp3400c_best_video_sound(int rxsubchans)
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{
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if (rxsubchans & V4L2_TUNER_SUB_STEREO)
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return V4L2_TUNER_MODE_STEREO;
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if (rxsubchans & V4L2_TUNER_SUB_LANG1)
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return V4L2_TUNER_MODE_LANG1;
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if (rxsubchans & V4L2_TUNER_SUB_LANG2)
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return V4L2_TUNER_MODE_LANG2;
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return V4L2_TUNER_MODE_MONO;
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}
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/* turn on/off nicam + stereo */
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void msp3400c_setstereo(struct i2c_client *client, int mode)
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{
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static char *strmode[] = { "0", "mono", "stereo", "3",
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"lang1", "5", "6", "7", "lang2"
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};
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struct msp_state *state = i2c_get_clientdata(client);
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int nicam = 0; /* channel source: FM/AM or nicam */
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int src = 0;
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if (state->opmode == OPMODE_AUTOSELECT) {
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/* this method would break everything, let's make sure
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* it's never called
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*/
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v4l_dbg(1, client, "setstereo called with mode=%d instead of set_source (ignored)\n",
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mode);
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return;
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}
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/* switch demodulator */
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switch (state->mode) {
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case MSP_MODE_FM_TERRA:
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v4l_dbg(1, client, "FM setstereo: %s\n", strmode[mode]);
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msp3400c_setcarrier(client,state->second,state->main);
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switch (mode) {
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case V4L2_TUNER_MODE_STEREO:
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msp_write_dsp(client, 0x000e, 0x3001);
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break;
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case V4L2_TUNER_MODE_MONO:
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case V4L2_TUNER_MODE_LANG1:
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case V4L2_TUNER_MODE_LANG2:
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msp_write_dsp(client, 0x000e, 0x3000);
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break;
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}
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break;
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case MSP_MODE_FM_SAT:
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v4l_dbg(1, client, "SAT setstereo: %s\n", strmode[mode]);
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switch (mode) {
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case V4L2_TUNER_MODE_MONO:
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msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
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break;
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case V4L2_TUNER_MODE_STEREO:
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msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02));
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break;
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case V4L2_TUNER_MODE_LANG1:
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msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
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break;
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case V4L2_TUNER_MODE_LANG2:
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msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
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break;
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}
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break;
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case MSP_MODE_FM_NICAM1:
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case MSP_MODE_FM_NICAM2:
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case MSP_MODE_AM_NICAM:
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v4l_dbg(1, client, "NICAM setstereo: %s\n",strmode[mode]);
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msp3400c_setcarrier(client,state->second,state->main);
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if (state->nicam_on)
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nicam=0x0100;
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break;
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case MSP_MODE_BTSC:
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v4l_dbg(1, client, "BTSC setstereo: %s\n",strmode[mode]);
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nicam=0x0300;
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break;
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case MSP_MODE_EXTERN:
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v4l_dbg(1, client, "extern setstereo: %s\n",strmode[mode]);
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|
|
nicam = 0x0200;
|
||
|
|
break;
|
||
|
|
case MSP_MODE_FM_RADIO:
|
||
|
|
v4l_dbg(1, client, "FM-Radio setstereo: %s\n",strmode[mode]);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
v4l_dbg(1, client, "mono setstereo\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* switch audio */
|
||
|
|
switch (msp3400c_best_video_sound(mode)) {
|
||
|
|
case V4L2_TUNER_MODE_STEREO:
|
||
|
|
src = 0x0020 | nicam;
|
||
|
|
break;
|
||
|
|
case V4L2_TUNER_MODE_MONO:
|
||
|
|
if (state->mode == MSP_MODE_AM_NICAM) {
|
||
|
|
v4l_dbg(1, client, "switching to AM mono\n");
|
||
|
|
/* AM mono decoding is handled by tuner, not MSP chip */
|
||
|
|
/* SCART switching control register */
|
||
|
|
msp_set_scart(client, SCART_MONO, 0);
|
||
|
|
src = 0x0200;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case V4L2_TUNER_MODE_LANG1:
|
||
|
|
src = 0x0000 | nicam;
|
||
|
|
break;
|
||
|
|
case V4L2_TUNER_MODE_LANG2:
|
||
|
|
src = 0x0010 | nicam;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
v4l_dbg(1, client, "setstereo final source/matrix = 0x%x\n", src);
|
||
|
|
|
||
|
|
if (dolby) {
|
||
|
|
msp_write_dsp(client, 0x0008, 0x0520);
|
||
|
|
msp_write_dsp(client, 0x0009, 0x0620);
|
||
|
|
msp_write_dsp(client, 0x000a, src);
|
||
|
|
msp_write_dsp(client, 0x000b, src);
|
||
|
|
} else {
|
||
|
|
msp_write_dsp(client, 0x0008, src);
|
||
|
|
msp_write_dsp(client, 0x0009, src);
|
||
|
|
msp_write_dsp(client, 0x000a, src);
|
||
|
|
msp_write_dsp(client, 0x000b, src);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void msp3400c_print_mode(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
if (state->main == state->second) {
|
||
|
|
v4l_dbg(1, client, "mono sound carrier: %d.%03d MHz\n",
|
||
|
|
state->main / 910000, (state->main / 910) % 1000);
|
||
|
|
} else {
|
||
|
|
v4l_dbg(1, client, "main sound carrier: %d.%03d MHz\n",
|
||
|
|
state->main / 910000, (state->main / 910) % 1000);
|
||
|
|
}
|
||
|
|
if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2)
|
||
|
|
v4l_dbg(1, client, "NICAM/FM carrier : %d.%03d MHz\n",
|
||
|
|
state->second / 910000, (state->second/910) % 1000);
|
||
|
|
if (state->mode == MSP_MODE_AM_NICAM)
|
||
|
|
v4l_dbg(1, client, "NICAM/AM carrier : %d.%03d MHz\n",
|
||
|
|
state->second / 910000, (state->second / 910) % 1000);
|
||
|
|
if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) {
|
||
|
|
v4l_dbg(1, client, "FM-stereo carrier : %d.%03d MHz\n",
|
||
|
|
state->second / 910000, (state->second / 910) % 1000);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
int autodetect_stereo(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
int val;
|
||
|
|
int rxsubchans = state->rxsubchans;
|
||
|
|
int newnicam = state->nicam_on;
|
||
|
|
int update = 0;
|
||
|
|
|
||
|
|
switch (state->mode) {
|
||
|
|
case MSP_MODE_FM_TERRA:
|
||
|
|
val = msp_read_dsp(client, 0x18);
|
||
|
|
if (val > 32767)
|
||
|
|
val -= 65536;
|
||
|
|
v4l_dbg(2, client, "stereo detect register: %d\n", val);
|
||
|
|
if (val > 4096) {
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
|
||
|
|
} else if (val < -4096) {
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
||
|
|
} else {
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
}
|
||
|
|
newnicam = 0;
|
||
|
|
break;
|
||
|
|
case MSP_MODE_FM_NICAM1:
|
||
|
|
case MSP_MODE_FM_NICAM2:
|
||
|
|
case MSP_MODE_AM_NICAM:
|
||
|
|
val = msp_read_dem(client, 0x23);
|
||
|
|
v4l_dbg(2, client, "nicam sync=%d, mode=%d\n",
|
||
|
|
val & 1, (val & 0x1e) >> 1);
|
||
|
|
|
||
|
|
if (val & 1) {
|
||
|
|
/* nicam synced */
|
||
|
|
switch ((val & 0x1e) >> 1) {
|
||
|
|
case 0:
|
||
|
|
case 8:
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_STEREO;
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
case 9:
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO
|
||
|
|
| V4L2_TUNER_SUB_LANG1;
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
case 10:
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO
|
||
|
|
| V4L2_TUNER_SUB_LANG1
|
||
|
|
| V4L2_TUNER_SUB_LANG2;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
newnicam = 1;
|
||
|
|
} else {
|
||
|
|
newnicam = 0;
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case MSP_MODE_BTSC:
|
||
|
|
val = msp_read_dem(client, 0x200);
|
||
|
|
v4l_dbg(2, client, "status=0x%x (pri=%s, sec=%s, %s%s%s)\n",
|
||
|
|
val,
|
||
|
|
(val & 0x0002) ? "no" : "yes",
|
||
|
|
(val & 0x0004) ? "no" : "yes",
|
||
|
|
(val & 0x0040) ? "stereo" : "mono",
|
||
|
|
(val & 0x0080) ? ", nicam 2nd mono" : "",
|
||
|
|
(val & 0x0100) ? ", bilingual/SAP" : "");
|
||
|
|
rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
if (val & 0x0040) rxsubchans |= V4L2_TUNER_SUB_STEREO;
|
||
|
|
if (val & 0x0100) rxsubchans |= V4L2_TUNER_SUB_LANG1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (rxsubchans != state->rxsubchans) {
|
||
|
|
update = 1;
|
||
|
|
v4l_dbg(1, client, "watch: rxsubchans %d => %d\n",
|
||
|
|
state->rxsubchans,rxsubchans);
|
||
|
|
state->rxsubchans = rxsubchans;
|
||
|
|
}
|
||
|
|
if (newnicam != state->nicam_on) {
|
||
|
|
update = 1;
|
||
|
|
v4l_dbg(1, client, "watch: nicam %d => %d\n",
|
||
|
|
state->nicam_on,newnicam);
|
||
|
|
state->nicam_on = newnicam;
|
||
|
|
}
|
||
|
|
return update;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* A kernel thread for msp3400 control -- we don't want to block the
|
||
|
|
* in the ioctl while doing the sound carrier & stereo detect
|
||
|
|
*/
|
||
|
|
/* stereo/multilang monitoring */
|
||
|
|
static void watch_stereo(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
if (autodetect_stereo(client)) {
|
||
|
|
if (state->stereo & V4L2_TUNER_MODE_STEREO)
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_STEREO);
|
||
|
|
else if (state->stereo & VIDEO_SOUND_LANG1)
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_LANG1);
|
||
|
|
else
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (once)
|
||
|
|
state->watch_stereo = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int msp3400c_thread(void *data)
|
||
|
|
{
|
||
|
|
struct i2c_client *client = data;
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
struct msp3400c_carrier_detect *cd;
|
||
|
|
int count, max1,max2,val1,val2, val,this;
|
||
|
|
|
||
|
|
|
||
|
|
v4l_dbg(1, client, "msp3400 daemon started\n");
|
||
|
|
for (;;) {
|
||
|
|
v4l_dbg(2, client, "msp3400 thread: sleep\n");
|
||
|
|
msp_sleep(state, -1);
|
||
|
|
v4l_dbg(2, client, "msp3400 thread: wakeup\n");
|
||
|
|
|
||
|
|
restart:
|
||
|
|
v4l_dbg(1, client, "thread: restart scan\n");
|
||
|
|
state->restart = 0;
|
||
|
|
if (kthread_should_stop())
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (VIDEO_MODE_RADIO == state->norm ||
|
||
|
|
MSP_MODE_EXTERN == state->mode) {
|
||
|
|
/* no carrier scan, just unmute */
|
||
|
|
v4l_dbg(1, client, "thread: no carrier scan\n");
|
||
|
|
msp_set_audio(client);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* mute */
|
||
|
|
msp_set_mute(client);
|
||
|
|
msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ );
|
||
|
|
val1 = val2 = 0;
|
||
|
|
max1 = max2 = -1;
|
||
|
|
state->watch_stereo = 0;
|
||
|
|
|
||
|
|
/* some time for the tuner to sync */
|
||
|
|
if (msp_sleep(state,200))
|
||
|
|
goto restart;
|
||
|
|
|
||
|
|
/* carrier detect pass #1 -- main carrier */
|
||
|
|
cd = msp3400c_carrier_detect_main;
|
||
|
|
count = ARRAY_SIZE(msp3400c_carrier_detect_main);
|
||
|
|
|
||
|
|
if (amsound && (state->norm == VIDEO_MODE_SECAM)) {
|
||
|
|
/* autodetect doesn't work well with AM ... */
|
||
|
|
max1 = 3;
|
||
|
|
count = 0;
|
||
|
|
v4l_dbg(1, client, "AM sound override\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
for (this = 0; this < count; this++) {
|
||
|
|
msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
|
||
|
|
if (msp_sleep(state,100))
|
||
|
|
goto restart;
|
||
|
|
val = msp_read_dsp(client, 0x1b);
|
||
|
|
if (val > 32767)
|
||
|
|
val -= 65536;
|
||
|
|
if (val1 < val)
|
||
|
|
val1 = val, max1 = this;
|
||
|
|
v4l_dbg(1, client, "carrier1 val: %5d / %s\n", val,cd[this].name);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* carrier detect pass #2 -- second (stereo) carrier */
|
||
|
|
switch (max1) {
|
||
|
|
case 1: /* 5.5 */
|
||
|
|
cd = msp3400c_carrier_detect_55;
|
||
|
|
count = ARRAY_SIZE(msp3400c_carrier_detect_55);
|
||
|
|
break;
|
||
|
|
case 3: /* 6.5 */
|
||
|
|
cd = msp3400c_carrier_detect_65;
|
||
|
|
count = ARRAY_SIZE(msp3400c_carrier_detect_65);
|
||
|
|
break;
|
||
|
|
case 0: /* 4.5 */
|
||
|
|
case 2: /* 6.0 */
|
||
|
|
default:
|
||
|
|
cd = NULL;
|
||
|
|
count = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (amsound && (state->norm == VIDEO_MODE_SECAM)) {
|
||
|
|
/* autodetect doesn't work well with AM ... */
|
||
|
|
cd = NULL;
|
||
|
|
count = 0;
|
||
|
|
max2 = 0;
|
||
|
|
}
|
||
|
|
for (this = 0; this < count; this++) {
|
||
|
|
msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
|
||
|
|
if (msp_sleep(state,100))
|
||
|
|
goto restart;
|
||
|
|
val = msp_read_dsp(client, 0x1b);
|
||
|
|
if (val > 32767)
|
||
|
|
val -= 65536;
|
||
|
|
if (val2 < val)
|
||
|
|
val2 = val, max2 = this;
|
||
|
|
v4l_dbg(1, client, "carrier2 val: %5d / %s\n", val,cd[this].name);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* program the msp3400 according to the results */
|
||
|
|
state->main = msp3400c_carrier_detect_main[max1].cdo;
|
||
|
|
switch (max1) {
|
||
|
|
case 1: /* 5.5 */
|
||
|
|
if (max2 == 0) {
|
||
|
|
/* B/G FM-stereo */
|
||
|
|
state->second = msp3400c_carrier_detect_55[max2].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
|
||
|
|
state->nicam_on = 0;
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
} else if (max2 == 1 && HAVE_NICAM(state)) {
|
||
|
|
/* B/G NICAM */
|
||
|
|
state->second = msp3400c_carrier_detect_55[max2].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_NICAM1);
|
||
|
|
state->nicam_on = 1;
|
||
|
|
msp3400c_setcarrier(client, state->second, state->main);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
} else {
|
||
|
|
goto no_second;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 2: /* 6.0 */
|
||
|
|
/* PAL I NICAM */
|
||
|
|
state->second = MSP_CARRIER(6.552);
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_NICAM2);
|
||
|
|
state->nicam_on = 1;
|
||
|
|
msp3400c_setcarrier(client, state->second, state->main);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
break;
|
||
|
|
case 3: /* 6.5 */
|
||
|
|
if (max2 == 1 || max2 == 2) {
|
||
|
|
/* D/K FM-stereo */
|
||
|
|
state->second = msp3400c_carrier_detect_65[max2].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
|
||
|
|
state->nicam_on = 0;
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
} else if (max2 == 0 &&
|
||
|
|
state->norm == VIDEO_MODE_SECAM) {
|
||
|
|
/* L NICAM or AM-mono */
|
||
|
|
state->second = msp3400c_carrier_detect_65[max2].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_AM_NICAM);
|
||
|
|
state->nicam_on = 0;
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
|
||
|
|
msp3400c_setcarrier(client, state->second, state->main);
|
||
|
|
/* volume prescale for SCART (AM mono input) */
|
||
|
|
msp_write_dsp(client, 0x000d, 0x1900);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
} else if (max2 == 0 && HAVE_NICAM(state)) {
|
||
|
|
/* D/K NICAM */
|
||
|
|
state->second = msp3400c_carrier_detect_65[max2].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_NICAM1);
|
||
|
|
state->nicam_on = 1;
|
||
|
|
msp3400c_setcarrier(client, state->second, state->main);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
} else {
|
||
|
|
goto no_second;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 0: /* 4.5 */
|
||
|
|
default:
|
||
|
|
no_second:
|
||
|
|
state->second = msp3400c_carrier_detect_main[max1].cdo;
|
||
|
|
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
|
||
|
|
state->nicam_on = 0;
|
||
|
|
msp3400c_setcarrier(client, state->second, state->main);
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* unmute */
|
||
|
|
msp_set_audio(client);
|
||
|
|
|
||
|
|
if (debug)
|
||
|
|
msp3400c_print_mode(client);
|
||
|
|
|
||
|
|
/* monitor tv audio mode */
|
||
|
|
while (state->watch_stereo) {
|
||
|
|
if (msp_sleep(state,5000))
|
||
|
|
goto restart;
|
||
|
|
watch_stereo(client);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
v4l_dbg(1, client, "thread: exit\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int msp3410d_thread(void *data)
|
||
|
|
{
|
||
|
|
struct i2c_client *client = data;
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
int mode,val,i,std;
|
||
|
|
|
||
|
|
v4l_dbg(1, client, "msp3410 daemon started\n");
|
||
|
|
|
||
|
|
for (;;) {
|
||
|
|
v4l_dbg(2, client, "msp3410 thread: sleep\n");
|
||
|
|
msp_sleep(state,-1);
|
||
|
|
v4l_dbg(2, client, "msp3410 thread: wakeup\n");
|
||
|
|
|
||
|
|
restart:
|
||
|
|
v4l_dbg(1, client, "thread: restart scan\n");
|
||
|
|
state->restart = 0;
|
||
|
|
if (kthread_should_stop())
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (state->mode == MSP_MODE_EXTERN) {
|
||
|
|
/* no carrier scan needed, just unmute */
|
||
|
|
v4l_dbg(1, client, "thread: no carrier scan\n");
|
||
|
|
msp_set_audio(client);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* put into sane state (and mute) */
|
||
|
|
msp_reset(client);
|
||
|
|
|
||
|
|
/* some time for the tuner to sync */
|
||
|
|
if (msp_sleep(state,200))
|
||
|
|
goto restart;
|
||
|
|
|
||
|
|
/* start autodetect */
|
||
|
|
mode = msp_modus(client, state->norm);
|
||
|
|
std = msp_standard(state->norm);
|
||
|
|
msp_write_dem(client, 0x30, mode);
|
||
|
|
msp_write_dem(client, 0x20, std);
|
||
|
|
state->watch_stereo = 0;
|
||
|
|
|
||
|
|
if (debug)
|
||
|
|
v4l_dbg(1, client, "setting mode: %s (0x%04x)\n",
|
||
|
|
msp_standard_mode_name(std), std);
|
||
|
|
|
||
|
|
if (std != 1) {
|
||
|
|
/* programmed some specific mode */
|
||
|
|
val = std;
|
||
|
|
} else {
|
||
|
|
/* triggered autodetect */
|
||
|
|
for (;;) {
|
||
|
|
if (msp_sleep(state,100))
|
||
|
|
goto restart;
|
||
|
|
|
||
|
|
/* check results */
|
||
|
|
val = msp_read_dem(client, 0x7e);
|
||
|
|
if (val < 0x07ff)
|
||
|
|
break;
|
||
|
|
v4l_dbg(1, client, "detection still in progress\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (i = 0; msp_modelist[i].name != NULL; i++)
|
||
|
|
if (msp_modelist[i].retval == val)
|
||
|
|
break;
|
||
|
|
v4l_dbg(1, client, "current mode: %s (0x%04x)\n",
|
||
|
|
msp_standard_mode_name(val), val);
|
||
|
|
state->main = msp_modelist[i].main;
|
||
|
|
state->second = msp_modelist[i].second;
|
||
|
|
|
||
|
|
if (amsound && (state->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) {
|
||
|
|
/* autodetection has failed, let backup */
|
||
|
|
v4l_dbg(1, client, "autodetection failed,"
|
||
|
|
" switching to backup mode: %s (0x%04x)\n",
|
||
|
|
msp_modelist[8].name ? msp_modelist[8].name : "unknown",val);
|
||
|
|
val = 0x0009;
|
||
|
|
msp_write_dem(client, 0x20, val);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set various prescales */
|
||
|
|
msp_write_dsp(client, 0x0d, 0x1900); /* scart */
|
||
|
|
msp_write_dsp(client, 0x0e, 0x2403); /* FM */
|
||
|
|
msp_write_dsp(client, 0x10, 0x5a00); /* nicam */
|
||
|
|
|
||
|
|
/* set stereo */
|
||
|
|
switch (val) {
|
||
|
|
case 0x0008: /* B/G NICAM */
|
||
|
|
case 0x000a: /* I NICAM */
|
||
|
|
if (val == 0x0008)
|
||
|
|
state->mode = MSP_MODE_FM_NICAM1;
|
||
|
|
else
|
||
|
|
state->mode = MSP_MODE_FM_NICAM2;
|
||
|
|
/* just turn on stereo */
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_STEREO;
|
||
|
|
state->nicam_on = 1;
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
|
||
|
|
break;
|
||
|
|
case 0x0009:
|
||
|
|
state->mode = MSP_MODE_AM_NICAM;
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
state->nicam_on = 1;
|
||
|
|
msp3400c_setstereo(client,V4L2_TUNER_MODE_MONO);
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
break;
|
||
|
|
case 0x0020: /* BTSC */
|
||
|
|
/* just turn on stereo */
|
||
|
|
state->mode = MSP_MODE_BTSC;
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_STEREO;
|
||
|
|
state->nicam_on = 0;
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
|
||
|
|
break;
|
||
|
|
case 0x0040: /* FM radio */
|
||
|
|
state->mode = MSP_MODE_FM_RADIO;
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_STEREO;
|
||
|
|
state->audmode = V4L2_TUNER_MODE_STEREO;
|
||
|
|
state->nicam_on = 0;
|
||
|
|
state->watch_stereo = 0;
|
||
|
|
/* not needed in theory if HAVE_RADIO(), but
|
||
|
|
short programming enables carrier mute */
|
||
|
|
msp3400c_setmode(client,MSP_MODE_FM_RADIO);
|
||
|
|
msp3400c_setcarrier(client, MSP_CARRIER(10.7),
|
||
|
|
MSP_CARRIER(10.7));
|
||
|
|
/* scart routing */
|
||
|
|
msp_set_scart(client,SCART_IN2,0);
|
||
|
|
/* msp34xx does radio decoding */
|
||
|
|
msp_write_dsp(client, 0x08, 0x0020);
|
||
|
|
msp_write_dsp(client, 0x09, 0x0020);
|
||
|
|
msp_write_dsp(client, 0x0b, 0x0020);
|
||
|
|
break;
|
||
|
|
case 0x0003:
|
||
|
|
case 0x0004:
|
||
|
|
case 0x0005:
|
||
|
|
state->mode = MSP_MODE_FM_TERRA;
|
||
|
|
state->rxsubchans = V4L2_TUNER_SUB_MONO;
|
||
|
|
state->audmode = V4L2_TUNER_MODE_MONO;
|
||
|
|
state->nicam_on = 0;
|
||
|
|
state->watch_stereo = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* unmute, restore misc registers */
|
||
|
|
msp_set_audio(client);
|
||
|
|
msp_write_dsp(client, 0x13, state->acb);
|
||
|
|
msp_write_dem(client, 0x40, state->i2s_mode);
|
||
|
|
|
||
|
|
/* monitor tv audio mode */
|
||
|
|
while (state->watch_stereo) {
|
||
|
|
if (msp_sleep(state,5000))
|
||
|
|
goto restart;
|
||
|
|
watch_stereo(client);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
v4l_dbg(1, client, "thread: exit\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ----------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
/* msp34xxG + (autoselect no-thread) */
|
||
|
|
/* this one uses both automatic standard detection and automatic sound */
|
||
|
|
/* select which are available in the newer G versions */
|
||
|
|
/* struct msp: only norm, acb and source are really used in this mode */
|
||
|
|
|
||
|
|
/* set the same 'source' for the loudspeaker, scart and quasi-peak detector
|
||
|
|
* the value for source is the same as bit 15:8 of DSP registers 0x08,
|
||
|
|
* 0x0a and 0x0c: 0=mono, 1=stereo or A|B, 2=SCART, 3=stereo or A, 4=stereo or B
|
||
|
|
*
|
||
|
|
* this function replaces msp3400c_setstereo
|
||
|
|
*/
|
||
|
|
static void msp34xxg_set_source(struct i2c_client *client, int source)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
/* fix matrix mode to stereo and let the msp choose what
|
||
|
|
* to output according to 'source', as recommended
|
||
|
|
* for MONO (source==0) downmixing set bit[7:0] to 0x30
|
||
|
|
*/
|
||
|
|
int value = (source & 0x07) << 8 | (source == 0 ? 0x30 : 0x20);
|
||
|
|
|
||
|
|
v4l_dbg(1, client, "set source to %d (0x%x)\n", source, value);
|
||
|
|
/* Loudspeaker Output */
|
||
|
|
msp_write_dsp(client, 0x08, value);
|
||
|
|
/* SCART1 DA Output */
|
||
|
|
msp_write_dsp(client, 0x0a, value);
|
||
|
|
/* Quasi-peak detector */
|
||
|
|
msp_write_dsp(client, 0x0c, value);
|
||
|
|
/*
|
||
|
|
* set identification threshold. Personally, I
|
||
|
|
* I set it to a higher value that the default
|
||
|
|
* of 0x190 to ignore noisy stereo signals.
|
||
|
|
* this needs tuning. (recommended range 0x00a0-0x03c0)
|
||
|
|
* 0x7f0 = forced mono mode
|
||
|
|
*/
|
||
|
|
/* a2 threshold for stereo/bilingual */
|
||
|
|
msp_write_dem(client, 0x22, stereo_threshold);
|
||
|
|
state->source = source;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* (re-)initialize the msp34xxg, according to the current norm in state->norm
|
||
|
|
* return 0 if it worked, -1 if it failed
|
||
|
|
*/
|
||
|
|
static int msp34xxg_reset(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
int modus, std;
|
||
|
|
|
||
|
|
if (msp_reset(client))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
/* make sure that input/output is muted (paranoid mode) */
|
||
|
|
/* ACB, mute DSP input, mute SCART 1 */
|
||
|
|
if (msp_write_dsp(client, 0x13, 0x0f20))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
msp_write_dem(client, 0x40, state->i2s_mode);
|
||
|
|
|
||
|
|
/* step-by-step initialisation, as described in the manual */
|
||
|
|
modus = msp_modus(client, state->norm);
|
||
|
|
std = msp_standard(state->norm);
|
||
|
|
modus &= ~0x03; /* STATUS_CHANGE = 0 */
|
||
|
|
modus |= 0x01; /* AUTOMATIC_SOUND_DETECTION = 1 */
|
||
|
|
if (msp_write_dem(client, 0x30, modus))
|
||
|
|
return -1;
|
||
|
|
if (msp_write_dem(client, 0x20, std))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
/* write the dsps that may have an influence on
|
||
|
|
standard/audio autodetection right now */
|
||
|
|
msp34xxg_set_source(client, state->source);
|
||
|
|
|
||
|
|
/* AM/FM Prescale [15:8] 75khz deviation */
|
||
|
|
if (msp_write_dsp(client, 0x0e, 0x3000))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
/* NICAM Prescale 9db gain (as recommended) */
|
||
|
|
if (msp_write_dsp(client, 0x10, 0x5a00))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int msp34xxg_thread(void *data)
|
||
|
|
{
|
||
|
|
struct i2c_client *client = data;
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
int val, std, i;
|
||
|
|
|
||
|
|
v4l_dbg(1, client, "msp34xxg daemon started\n");
|
||
|
|
|
||
|
|
state->source = 1; /* default */
|
||
|
|
for (;;) {
|
||
|
|
v4l_dbg(2, client, "msp34xxg thread: sleep\n");
|
||
|
|
msp_sleep(state, -1);
|
||
|
|
v4l_dbg(2, client, "msp34xxg thread: wakeup\n");
|
||
|
|
|
||
|
|
restart:
|
||
|
|
v4l_dbg(1, client, "thread: restart scan\n");
|
||
|
|
state->restart = 0;
|
||
|
|
if (kthread_should_stop())
|
||
|
|
break;
|
||
|
|
|
||
|
|
/* setup the chip*/
|
||
|
|
msp34xxg_reset(client);
|
||
|
|
std = standard;
|
||
|
|
if (std != 0x01)
|
||
|
|
goto unmute;
|
||
|
|
|
||
|
|
/* watch autodetect */
|
||
|
|
v4l_dbg(1, client, "triggered autodetect, waiting for result\n");
|
||
|
|
for (i = 0; i < 10; i++) {
|
||
|
|
if (msp_sleep(state, 100))
|
||
|
|
goto restart;
|
||
|
|
|
||
|
|
/* check results */
|
||
|
|
val = msp_read_dem(client, 0x7e);
|
||
|
|
if (val < 0x07ff) {
|
||
|
|
std = val;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
v4l_dbg(2, client, "detection still in progress\n");
|
||
|
|
}
|
||
|
|
if (std == 1) {
|
||
|
|
v4l_dbg(1, client, "detection still in progress after 10 tries. giving up.\n");
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
unmute:
|
||
|
|
state->mode = std;
|
||
|
|
v4l_dbg(1, client, "current mode: %s (0x%04x)\n",
|
||
|
|
msp_standard_mode_name(std), std);
|
||
|
|
|
||
|
|
/* unmute: dispatch sound to scart output, set scart volume */
|
||
|
|
msp_set_audio(client);
|
||
|
|
|
||
|
|
/* restore ACB */
|
||
|
|
if (msp_write_dsp(client, 0x13, state->acb))
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
msp_write_dem(client, 0x40, state->i2s_mode);
|
||
|
|
}
|
||
|
|
v4l_dbg(1, client, "thread: exit\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void msp34xxg_detect_stereo(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
int status = msp_read_dem(client, 0x0200);
|
||
|
|
int is_bilingual = status & 0x100;
|
||
|
|
int is_stereo = status & 0x40;
|
||
|
|
|
||
|
|
state->rxsubchans = 0;
|
||
|
|
if (is_stereo)
|
||
|
|
state->rxsubchans |= V4L2_TUNER_SUB_STEREO;
|
||
|
|
else
|
||
|
|
state->rxsubchans |= V4L2_TUNER_SUB_MONO;
|
||
|
|
if (is_bilingual) {
|
||
|
|
state->rxsubchans |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
||
|
|
/* I'm supposed to check whether it's SAP or not
|
||
|
|
* and set only LANG2/SAP in this case. Yet, the MSP
|
||
|
|
* does a lot of work to hide this and handle everything
|
||
|
|
* the same way. I don't want to work around it so unless
|
||
|
|
* this is a problem, I'll handle SAP just like lang1/lang2.
|
||
|
|
*/
|
||
|
|
}
|
||
|
|
v4l_dbg(1, client, "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n",
|
||
|
|
status, is_stereo, is_bilingual, state->rxsubchans);
|
||
|
|
}
|
||
|
|
|
||
|
|
void msp34xxg_set_audmode(struct i2c_client *client, int audmode)
|
||
|
|
{
|
||
|
|
struct msp_state *state = i2c_get_clientdata(client);
|
||
|
|
int source;
|
||
|
|
|
||
|
|
switch (audmode) {
|
||
|
|
case V4L2_TUNER_MODE_MONO:
|
||
|
|
source = 0; /* mono only */
|
||
|
|
break;
|
||
|
|
case V4L2_TUNER_MODE_STEREO:
|
||
|
|
source = 1; /* stereo or A|B, see comment in msp34xxg_get_v4l2_stereo() */
|
||
|
|
/* problem: that could also mean 2 (scart input) */
|
||
|
|
break;
|
||
|
|
case V4L2_TUNER_MODE_LANG1:
|
||
|
|
source = 3; /* stereo or A */
|
||
|
|
break;
|
||
|
|
case V4L2_TUNER_MODE_LANG2:
|
||
|
|
source = 4; /* stereo or B */
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
audmode = 0;
|
||
|
|
source = 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
state->audmode = audmode;
|
||
|
|
msp34xxg_set_source(client, source);
|
||
|
|
}
|
||
|
|
|