diff options
| -rw-r--r-- | linux/drivers/media/video/Makefile | 2 | ||||
| -rw-r--r-- | linux/drivers/media/video/msp3400-driver.c | 1389 | ||||
| -rw-r--r-- | linux/drivers/media/video/msp3400-kthreads.c | 1071 | ||||
| -rw-r--r-- | linux/drivers/media/video/msp3400.c | 2450 | ||||
| -rw-r--r-- | linux/drivers/media/video/msp3400.h | 133 | ||||
| -rw-r--r-- | v4l/ChangeLog | 25 | ||||
| -rw-r--r-- | v4l/Makefile | 1 |
7 files changed, 1321 insertions, 3750 deletions
diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile index 49aae8a54..dd2489690 100644 --- a/linux/drivers/media/video/Makefile +++ b/linux/drivers/media/video/Makefile @@ -10,6 +10,8 @@ zr36067-objs := zoran_procfs.o zoran_device.o \ zoran_driver.o zoran_card.o tuner-objs := tuner-core.o tuner-simple.o mt20xx.o tda8290.o tea5767.o +msp3400-objs := msp3400-driver.o msp3400-kthreads.o + obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o v4l1-compat.o compat_ioctl32.o obj-$(CONFIG_VIDEO_BT848) += bttv.o msp3400.o tvaudio.o \ diff --git a/linux/drivers/media/video/msp3400-driver.c b/linux/drivers/media/video/msp3400-driver.c index dccdff716..5176d84e5 100644 --- a/linux/drivers/media/video/msp3400-driver.c +++ b/linux/drivers/media/video/msp3400-driver.c @@ -1,5 +1,5 @@ /* - * programming the msp34* sound processor family + * Programming the mspx4xx sound processor family * * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> * @@ -24,44 +24,45 @@ * should work, with autodetect. Support for NICAM was added by * Pekka Pietikainen <pp@netppl.fi> * - * * TODO: * - better SAT support * - * * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) * using soundcore instead of OSS * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include <linux/config.h> -#include <linux/module.h> -#include <linux/moduleparam.h> +#include "compat.h" + #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/errno.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/i2c.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include "compat.h" +#include <linux/videodev.h> +#include <linux/videodev2.h> +#include <media/v4l2-common.h> +#include <media/audiochip.h> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #include <linux/kthread.h> #include <linux/suspend.h> #endif -#include <asm/semaphore.h> -#include <asm/pgtable.h> - -#include <linux/videodev.h> -#include <media/audiochip.h> -#include <media/v4l2-common.h> -#include "msp3400.h" #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) #include "i2c-compat.h" #endif +#include "msp3400.h" /* ---------------------------------------------------------------------- */ @@ -69,21 +70,16 @@ MODULE_DESCRIPTION("device driver for msp34xx TV sound processor"); MODULE_AUTHOR("Gerd Knorr"); MODULE_LICENSE("GPL"); -#define OPMODE_AUTO -1 -#define OPMODE_MANUAL 0 -#define OPMODE_AUTODETECT 1 /* use autodetect (>= msp3410 only) */ -#define OPMODE_AUTOSELECT 2 /* use autodetect & autoselect (>= msp34xxG) */ - /* module parameters */ static int opmode = OPMODE_AUTO; -static int debug = 0; /* debug output */ -static int once = 0; /* no continous stereo monitoring */ -static int amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), +int debug = 0; /* debug output */ +int once = 0; /* no continous stereo monitoring */ +int amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), the autoscan seems work well only with FM... */ -static int standard = 1; /* Override auto detect of audio standard, if needed. */ -static int dolby = 0; +int standard = 1; /* Override auto detect of audio standard, if needed. */ +int dolby = 0; -static int stereo_threshold = 0x190; /* a2 threshold for stereo/bilingual +int stereo_threshold = 0x190; /* a2 threshold for stereo/bilingual (msp34xxg only) 0x00a0-0x03c0 */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) @@ -109,7 +105,7 @@ MODULE_PARM(dolby, "i"); MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect"); MODULE_PARM_DESC(once, "No continuous stereo monitoring"); -MODULE_PARM_DESC(debug, "Enable debug messages"); +MODULE_PARM_DESC(debug, "Enable debug messages [0-3]"); MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo"); MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect"); MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan"); @@ -117,40 +113,6 @@ MODULE_PARM_DESC(dolby, "Activates Dolby processsing"); /* ---------------------------------------------------------------------- */ -#define msp_err(fmt, arg...) \ - printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) -#define msp_warn(fmt, arg...) \ - printk(KERN_WARNING "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) -#define msp_info(fmt, arg...) \ - printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) - -/* level 1 debug. */ -#define msp_dbg1(fmt, arg...) \ - do { \ - if (debug) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -/* level 2 debug. */ -#define msp_dbg2(fmt, arg...) \ - do { \ - if (debug >= 2) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -/* level 3 debug. Use with care. */ -#define msp_dbg3(fmt, arg...) \ - do { \ - if (debug >= 16) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - /* control subaddress */ #define I2C_MSP_CONTROL 0x00 /* demodulator unit subaddress */ @@ -167,59 +129,11 @@ static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; I2C_CLIENT_INSMOD; -#define DFP_COUNT 0x41 -static const int bl_dfp[] = { - 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, - 0x0b, 0x0d, 0x0e, 0x10 -}; - -#define HAVE_NICAM(state) (((state->rev2 >> 8) & 0xff) != 0) -#define HAVE_RADIO(state) ((state->rev1 & 0x0f) >= 'G'-'@') - -struct msp_state { - int rev1, rev2; - - int opmode; - int mode; - int norm; - int stereo; - int nicam_on; - int acb; - int in_scart; - int i2s_mode; - int main, second; /* sound carrier */ - int input; - int source; /* see msp34xxg_set_source */ - - /* v4l2 */ - int audmode; - int rxsubchans; - - int muted; - int volume, balance; - int bass, treble; - - /* shadow register set */ - int dfp_regs[DFP_COUNT]; - - /* thread */ - struct task_struct *kthread; - wait_queue_head_t wq; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - struct semaphore *notify; - int rmmod:1; -#endif - int restart:1; - int watch_stereo:1; -}; - -#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ - /* ----------------------------------------------------------------------- */ /* functions for talking to the MSP3400C Sound processor */ -static int msp_reset(struct i2c_client *client) +int msp_reset(struct i2c_client *client) { /* reset and read revision code */ static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 }; @@ -277,12 +191,12 @@ static int msp_read(struct i2c_client *client, int dev, int addr) return retval; } -static inline int msp_read_dem(struct i2c_client *client, int addr) +int msp_read_dem(struct i2c_client *client, int addr) { return msp_read(client, I2C_MSP_DEM, addr); } -static inline int msp_read_dsp(struct i2c_client *client, int addr) +int msp_read_dsp(struct i2c_client *client, int addr) { return msp_read(client, I2C_MSP_DSP, addr); } @@ -315,12 +229,12 @@ static int msp_write(struct i2c_client *client, int dev, int addr, int val) return 0; } -static inline int msp_write_dem(struct i2c_client *client, int addr, int val) +int msp_write_dem(struct i2c_client *client, int addr, int val) { return msp_write(client, I2C_MSP_DEM, addr, val); } -static inline int msp_write_dsp(struct i2c_client *client, int addr, int val) +int msp_write_dsp(struct i2c_client *client, int addr, int val) { return msp_write(client, I2C_MSP_DSP, addr, val); } @@ -366,7 +280,7 @@ static char *scart_names[] = { "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" }; -static void msp_set_scart(struct i2c_client *client, int in, int out) +void msp_set_scart(struct i2c_client *client, int in, int out) { struct msp_state *state = i2c_get_clientdata(client); @@ -389,123 +303,14 @@ static void msp_set_scart(struct i2c_client *client, int in, int out) msp_write_dem(client, 0x40, state->i2s_mode); } -/* ------------------------------------------------------------------------ */ - -/* This macro is allowed for *constants* only, gcc must calculate it - at compile time. Remember -- no floats in kernel mode */ -#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24))) - -#define MSP_MODE_AM_DETECT 0 -#define MSP_MODE_FM_RADIO 2 -#define MSP_MODE_FM_TERRA 3 -#define MSP_MODE_FM_SAT 4 -#define MSP_MODE_FM_NICAM1 5 -#define MSP_MODE_FM_NICAM2 6 -#define MSP_MODE_AM_NICAM 7 -#define MSP_MODE_BTSC 8 -#define MSP_MODE_EXTERN 9 - -static struct msp3400c_init_data_dem { - int fir1[6]; - int fir2[6]; - int cdo1; - int cdo2; - int ad_cv; - int mode_reg; - int dfp_src; - int dfp_matrix; -} msp3400c_init_data[] = { - { /* AM (for carrier detect / msp3400) */ - {75, 19, 36, 35, 39, 40}, - {75, 19, 36, 35, 39, 40}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0500, 0x0020, 0x3000 - },{ /* AM (for carrier detect / msp3410) */ - {-1, -1, -8, 2, 59, 126}, - {-1, -1, -8, 2, 59, 126}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0100, 0x0020, 0x3000 - },{ /* FM Radio */ - {-8, -8, 4, 6, 78, 107}, - {-8, -8, 4, 6, 78, 107}, - MSP_CARRIER(10.7), MSP_CARRIER(10.7), - 0x00d0, 0x0480, 0x0020, 0x3000 - },{ /* Terrestial FM-mono + FM-stereo */ - {3, 18, 27, 48, 66, 72}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0480, 0x0030, 0x3000 - },{ /* Sat FM-mono */ - { 1, 9, 14, 24, 33, 37}, - { 3, 18, 27, 48, 66, 72}, - MSP_CARRIER(6.5), MSP_CARRIER(6.5), - 0x00c6, 0x0480, 0x0000, 0x3000 - },{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ - {-2, -8, -10, 10, 50, 86}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0040, 0x0120, 0x3000 - },{ /* NICAM/FM -- I (6.0/6.552) */ - {2, 4, -6, -4, 40, 94}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(6.0), MSP_CARRIER(6.0), - 0x00d0, 0x0040, 0x0120, 0x3000 - },{ /* NICAM/AM -- L (6.5/5.85) */ - {-2, -8, -10, 10, 50, 86}, - {-4, -12, -9, 23, 79, 126}, - MSP_CARRIER(6.5), MSP_CARRIER(6.5), - 0x00c6, 0x0140, 0x0120, 0x7c03 - }, -}; - -struct msp3400c_carrier_detect { - int cdo; - char *name; -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { - /* main carrier */ - { MSP_CARRIER(4.5), "4.5 NTSC" }, - { MSP_CARRIER(5.5), "5.5 PAL B/G" }, - { MSP_CARRIER(6.0), "6.0 PAL I" }, - { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { - /* PAL B/G */ - { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, - { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { - /* PAL SAT / SECAM */ - { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, - { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, - { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, - { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, - { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, - { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, -}; - -/* ------------------------------------------------------------------------ */ - -static void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2) -{ - msp_write_dem(client, 0x0093, cdo1 & 0xfff); - msp_write_dem(client, 0x009b, cdo1 >> 12); - msp_write_dem(client, 0x00a3, cdo2 & 0xfff); - msp_write_dem(client, 0x00ab, cdo2 >> 12); - msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ -} - -static void msp_set_mute(struct i2c_client *client) +void msp_set_mute(struct i2c_client *client) { msp_dbg1("mute audio\n"); msp_write_dsp(client, 0x0000, 0); /* loudspeaker */ msp_write_dsp(client, 0x0006, 0); /* headphones */ } -static void msp_set_audio(struct i2c_client *client) +void msp_set_audio(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); int val = 0, bal = 0, bass, treble; @@ -529,647 +334,7 @@ static void msp_set_audio(struct i2c_client *client) msp_write_dsp(client, 0x0003, treble); /* loudspeaker */ } -static void msp3400c_setmode(struct i2c_client *client, int type) -{ - struct msp_state *state = i2c_get_clientdata(client); - int i; - - msp_dbg1("setmode: %d\n",type); - state->mode = type; - state->audmode = V4L2_TUNER_MODE_MONO; - state->rxsubchans = V4L2_TUNER_SUB_MONO; - - msp_write_dem(client, 0x00bb, /* ad_cv */ - msp3400c_init_data[type].ad_cv); - - for (i = 5; i >= 0; i--) /* fir 1 */ - msp_write_dem(client, 0x0001, - msp3400c_init_data[type].fir1[i]); - - msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ - msp_write_dem(client, 0x0005, 0x0040); - msp_write_dem(client, 0x0005, 0x0000); - for (i = 5; i >= 0; i--) - msp_write_dem(client, 0x0005, - msp3400c_init_data[type].fir2[i]); - - msp_write_dem(client, 0x0083, /* MODE_REG */ - msp3400c_init_data[type].mode_reg); - - msp3400c_setcarrier(client, msp3400c_init_data[type].cdo1, - msp3400c_init_data[type].cdo2); - - msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ - - if (dolby) { - msp_write_dsp(client, 0x0008, - 0x0520); /* I2S1 */ - msp_write_dsp(client, 0x0009, - 0x0620); /* I2S2 */ - msp_write_dsp(client, 0x000b, - msp3400c_init_data[type].dfp_src); - } else { - msp_write_dsp(client, 0x0008, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x0009, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x000b, - msp3400c_init_data[type].dfp_src); - } - msp_write_dsp(client, 0x000a, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x000e, - msp3400c_init_data[type].dfp_matrix); - - if (HAVE_NICAM(state)) { - /* nicam prescale */ - msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */ - } -} - -/* given a bitmask of VIDEO_SOUND_XXX returns the "best" in the bitmask */ -static int msp3400c_best_video_sound(int rxsubchans) -{ - if (rxsubchans & V4L2_TUNER_SUB_STEREO) - return V4L2_TUNER_MODE_STEREO; - if (rxsubchans & V4L2_TUNER_SUB_LANG1) - return V4L2_TUNER_MODE_LANG1; - if (rxsubchans & V4L2_TUNER_SUB_LANG2) - return V4L2_TUNER_MODE_LANG2; - return V4L2_TUNER_MODE_MONO; -} - -/* turn on/off nicam + stereo */ -static void msp3400c_setstereo(struct i2c_client *client, int mode) -{ - static char *strmode[] = { "0", "mono", "stereo", "3", - "lang1", "5", "6", "7", "lang2" - }; - struct msp_state *state = i2c_get_clientdata(client); - int nicam = 0; /* channel source: FM/AM or nicam */ - int src = 0; - - if (state->opmode == OPMODE_AUTOSELECT) { - /* this method would break everything, let's make sure - * it's never called - */ - msp_dbg1("setstereo called with mode=%d instead of set_source (ignored)\n", - mode); - return; - } - - /* switch demodulator */ - switch (state->mode) { - case MSP_MODE_FM_TERRA: - msp_dbg1("FM setstereo: %s\n", strmode[mode]); - msp3400c_setcarrier(client,state->second,state->main); - switch (mode) { - case V4L2_TUNER_MODE_STEREO: - msp_write_dsp(client, 0x000e, 0x3001); - break; - case V4L2_TUNER_MODE_MONO: - case V4L2_TUNER_MODE_LANG1: - case V4L2_TUNER_MODE_LANG2: - msp_write_dsp(client, 0x000e, 0x3000); - break; - } - break; - case MSP_MODE_FM_SAT: - msp_dbg1("SAT setstereo: %s\n", strmode[mode]); - switch (mode) { - case V4L2_TUNER_MODE_MONO: - msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); - break; - case V4L2_TUNER_MODE_STEREO: - msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); - break; - case V4L2_TUNER_MODE_LANG1: - msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); - break; - case V4L2_TUNER_MODE_LANG2: - msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); - break; - } - break; - case MSP_MODE_FM_NICAM1: - case MSP_MODE_FM_NICAM2: - case MSP_MODE_AM_NICAM: - msp_dbg1("NICAM setstereo: %s\n",strmode[mode]); - msp3400c_setcarrier(client,state->second,state->main); - if (state->nicam_on) - nicam=0x0100; - break; - case MSP_MODE_BTSC: - msp_dbg1("BTSC setstereo: %s\n",strmode[mode]); - nicam=0x0300; - break; - case MSP_MODE_EXTERN: - msp_dbg1("extern setstereo: %s\n",strmode[mode]); - nicam = 0x0200; - break; - case MSP_MODE_FM_RADIO: - msp_dbg1("FM-Radio setstereo: %s\n",strmode[mode]); - break; - default: - msp_dbg1("mono setstereo\n"); - return; - } - - /* switch audio */ - switch (msp3400c_best_video_sound(mode)) { - case V4L2_TUNER_MODE_STEREO: - src = 0x0020 | nicam; -#if 0 - /* spatial effect */ - msp_write_dsp(client, 0x0005,0x4000); -#endif - break; - case V4L2_TUNER_MODE_MONO: - if (state->mode == MSP_MODE_AM_NICAM) { - msp_dbg1("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; - } - msp_dbg1("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) { - msp_dbg1("mono sound carrier: %d.%03d MHz\n", - state->main/910000,(state->main/910)%1000); - } else { - msp_dbg1("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) - msp_dbg1("NICAM/FM carrier : %d.%03d MHz\n", - state->second/910000,(state->second/910)%1000); - if (state->mode == MSP_MODE_AM_NICAM) - msp_dbg1("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) { - msp_dbg1("FM-stereo carrier : %d.%03d MHz\n", - state->second/910000,(state->second/910)%1000); - } -} - -static void msp3400c_restore_dfp(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - int i; - - for (i = 0; i < DFP_COUNT; i++) { - if (-1 == state->dfp_regs[i]) - continue; - msp_write_dsp(client, i, state->dfp_regs[i]); - } -} - -/* if the dfp_regs is set, set what's in there. Otherwise, set the default value */ -static int msp34xxg_write_dfp_with_default(struct i2c_client *client, - int addr, int default_value) -{ - struct msp_state *state = i2c_get_clientdata(client); - int value = default_value; - if (addr < DFP_COUNT && -1 != state->dfp_regs[addr]) - value = state->dfp_regs[addr]; - return msp_write_dsp(client, addr, value); -} - -/* ----------------------------------------------------------------------- */ - -static 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; - msp_dbg2("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); - msp_dbg2("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); - msp_dbg2("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; - msp_dbg1("watch: rxsubchans %d => %d\n", - state->rxsubchans,rxsubchans); - state->rxsubchans = rxsubchans; - } - if (newnicam != state->nicam_on) { - update = 1; - msp_dbg1("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 - */ - -static int msp_sleep(struct msp_state *state, int timeout) -{ - DECLARE_WAITQUEUE(wait, current); - - add_wait_queue(&state->wq, &wait); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (!(state->rmmod || signal_pending(current))) { -#else - if (!kthread_should_stop()) { -#endif - if (timeout < 0) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } else { -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) - schedule_timeout_interruptible - (msecs_to_jiffies(timeout)); -#else - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(timeout)); -#endif - } - } -#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) - if (current->flags & PF_FREEZE) { - refrigerator (PF_FREEZE); - } -#endif - - remove_wait_queue(&state->wq, &wait); -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) - try_to_freeze(); -#endif - return state->restart; -} - -/* 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; -} - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) -static void msp_setup_thread(struct msp_state *state) -{ - daemonize(); - exit_files(current); - reparent_to_init(); - - spin_lock_irq(SIGMASK_LOCK(current)); - sigfillset(¤t->blocked); - spin_unlock_irq(SIGMASK_LOCK(current)); - strcpy(current->comm, "msp3400"); - - state->kthread = current; - if (state->notify != NULL) - up(state->notify); -} -#endif - -static 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; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); -#endif - - msp_info("msp3400 daemon started\n"); - for (;;) { - msp_dbg2("msp3400 thread: sleep\n"); - msp_sleep(state, -1); - msp_dbg2("msp3400 thread: wakeup\n"); - - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) -#else - if (kthread_should_stop()) -#endif - break; - - if (VIDEO_MODE_RADIO == state->norm || - MSP_MODE_EXTERN == state->mode) { - /* no carrier scan, just unmute */ - msp_info("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; - msp_dbg1("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; - msp_dbg1("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; - msp_dbg1("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); - msp3400c_restore_dfp(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); - } - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; - - if (state->notify != NULL) - up(state->notify); -#endif - return 0; -} - -/* ----------------------------------------------------------------------- */ -/* this one uses the automatic sound standard detection of newer */ -/* msp34xx chip versions */ - -static struct MODES { - int retval; - int main, second; - char *name; -} modelist[] = { - { 0x0000, 0, 0, "could not detect sound standard" }, - { 0x0001, 0, 0, "autodetect started" }, - { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, - { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, - { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, - { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, - { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, - { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, - { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, - { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, - { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, - { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, - { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, - { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, - { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, - { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, - { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, - { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, - { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, - { -1, 0, 0, NULL }, /* EOF */ -}; - -static inline const char *msp_standard_mode_name(int mode) -{ - int i; - for (i = 0; modelist[i].name != NULL; i++) - if (modelist[i].retval == mode) - return modelist[i].name; - return "unknown"; -} - -static int msp_modus(struct i2c_client *client, int norm) +int msp_modus(struct i2c_client *client, int norm) { switch (norm) { case VIDEO_MODE_PAL: @@ -1199,7 +364,7 @@ static int msp_modus(struct i2c_client *client, int norm) } } -static int msp_standard(int norm) +int msp_standard(int norm) { switch (norm) { case VIDEO_MODE_PAL: @@ -1215,416 +380,77 @@ static int msp_standard(int norm) } } -static int msp3410d_thread(void *data) -{ - struct i2c_client *client = data; - struct msp_state *state = i2c_get_clientdata(client); - int mode,val,i,std; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); -#endif - msp_info("msp3410 daemon started\n"); - - for (;;) { - msp_dbg2("msp3410 thread: sleep\n"); - msp_sleep(state,-1); - msp_dbg2("msp3410 thread: wakeup\n"); +/* ------------------------------------------------------------------------ */ - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) -#else - if (kthread_should_stop()) -#endif - break; - - if (state->mode == MSP_MODE_EXTERN) { - /* no carrier scan needed, just unmute */ - msp_dbg1("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) - msp_dbg1("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; - msp_dbg1("detection still in progress\n"); - } - } - for (i = 0; modelist[i].name != NULL; i++) - if (modelist[i].retval == val) - break; - msp_dbg1("current mode: %s (0x%04x)\n", - modelist[i].name ? modelist[i].name : "unknown", - val); - state->main = modelist[i].main; - state->second = modelist[i].second; - - if (amsound && (state->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { - /* autodetection has failed, let backup */ - msp_dbg1("autodetection failed," - " switching to backup mode: %s (0x%04x)\n", - modelist[8].name ? 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); -#if 0 - /* radio from SCART_IN2 */ - msp_write_dsp(client, 0x08, 0x0220); - msp_write_dsp(client, 0x09, 0x0220); - msp_write_dsp(client, 0x0b, 0x0220); -#else - /* msp34xx does radio decoding */ - msp_write_dsp(client, 0x08, 0x0020); - msp_write_dsp(client, 0x09, 0x0020); - msp_write_dsp(client, 0x0b, 0x0020); -#endif - 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; - } +static void msp_setup_thread(struct msp_state *state) +{ + daemonize(); + exit_files(current); + reparent_to_init(); - /* unmute, restore misc registers */ - msp_set_audio(client); - msp_write_dsp(client, 0x13, state->acb); - msp_write_dem(client, 0x40, state->i2s_mode); - msp3400c_restore_dfp(client); - - /* monitor tv audio mode */ - while (state->watch_stereo) { - if (msp_sleep(state,5000)) - goto restart; - watch_stereo(client); - } - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; + spin_lock_irq(SIGMASK_LOCK(current)); + sigfillset(¤t->blocked); + spin_unlock_irq(SIGMASK_LOCK(current)); + strcpy(current->comm, "msp3400"); + state->kthread = current; if (state->notify != NULL) up(state->notify); -#endif - 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 DFP 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); - - msp_dbg1("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; } +#endif -/* (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) +static void msp_wake_thread(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 dfps that may have an influence on - standard/audio autodetection right now */ - msp34xxg_set_source(client, state->source); - - /* AM/FM Prescale, default: [15:8] 75khz deviation */ - if (msp34xxg_write_dfp_with_default(client, 0x0e, 0x3000)) - return -1; - - /* NICAM Prescale, default: 9db gain (as recommended) */ - if (msp34xxg_write_dfp_with_default(client, 0x10, 0x5a00)) - return -1; - - return 0; + if (NULL == state->kthread) + return; + msp_set_mute(client); + state->watch_stereo = 0; + state->restart = 1; + wake_up_interruptible(&state->wq); } -static int msp34xxg_thread(void *data) +int msp_sleep(struct msp_state *state, int timeout) { - struct i2c_client *client = data; - struct msp_state *state = i2c_get_clientdata(client); - int val, std, i; + DECLARE_WAITQUEUE(wait, current); + add_wait_queue(&state->wq, &wait); #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); + if (!(state->rmmod || signal_pending(current))) { +#else + if (!kthread_should_stop()) { #endif - msp_info("msp34xxg daemon started\n"); - - state->source = 1; /* default */ - for (;;) { - msp_dbg2("msp34xxg thread: sleep\n"); - msp_sleep(state, -1); - msp_dbg2("msp34xxg thread: wakeup\n"); - - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) + if (timeout < 0) { + set_current_state(TASK_INTERRUPTIBLE); + schedule(); + } else { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) + schedule_timeout_interruptible + (msecs_to_jiffies(timeout)); #else - if (kthread_should_stop()) + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(msecs_to_jiffies(timeout)); #endif - break; - - /* setup the chip*/ - msp34xxg_reset(client); - std = standard; - if (std != 0x01) - goto unmute; - - /* watch autodetect */ - msp_dbg1("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; - } - msp_dbg1("detection still in progress\n"); } - if (std == 1) { - msp_dbg1("detection still in progress after 10 tries. giving up.\n"); - continue; - } - - unmute: - state->mode = std; - msp_dbg1("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); - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; - - if (state->notify != NULL) - up(state->notify); -#endif - return 0; -} - -static 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. - */ } - msp_dbg1("status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", - status, is_stereo, is_bilingual, state->rxsubchans); -} - -static 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; +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + if (current->flags & PF_FREEZE) { + refrigerator (PF_FREEZE); } - state->audmode = audmode; - msp34xxg_set_source(client, source); -} - - -/* ----------------------------------------------------------------------- */ - -static void msp_wake_thread(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); +#endif - if (NULL == state->kthread) - return; - msp_set_mute(client); - state->watch_stereo = 0; - state->restart = 1; - wake_up_interruptible(&state->wq); + remove_wait_queue(&state->wq, &wait); +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) + try_to_freeze(); +#endif + return state->restart; } -/* ----------------------------------------------------------------------- */ +/* ------------------------------------------------------------------------ */ -static int mode_v4l2_to_v4l1(int rxsubchans) +static int msp_mode_v4l2_to_v4l1(int rxsubchans) { int mode = 0; @@ -1639,7 +465,7 @@ static int mode_v4l2_to_v4l1(int rxsubchans) return mode; } -static int mode_v4l1_to_v4l2(int mode) +static int msp_mode_v4l1_to_v4l2(int mode) { if (mode & VIDEO_SOUND_STEREO) return V4L2_TUNER_MODE_STEREO; @@ -1676,6 +502,15 @@ static struct v4l2_queryctrl msp_qctrl[] = { .flags = 0, .type = V4L2_CTRL_TYPE_INTEGER, },{ + .id = V4L2_CID_AUDIO_BALANCE, + .name = "Balance", + .minimum = 0, + .maximum = 65535, + .step = 65535/100, + .default_value = 32768, + .flags = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + },{ .id = V4L2_CID_AUDIO_MUTE, .name = "Mute", .minimum = 0, @@ -1855,33 +690,6 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) break; } break; -#if 1 - /* work-in-progress: hook to control the DFP registers */ - case MSP_SET_DFPREG: - { - struct msp_dfpreg *r = arg; - int i; - - if (r->reg < 0 || r->reg >= DFP_COUNT) - return -EINVAL; - for (i = 0; i < sizeof(bl_dfp) / sizeof(int); i++) - if (r->reg == bl_dfp[i]) - return -EINVAL; - state->dfp_regs[r->reg] = r->value; - msp_write_dsp(client, r->reg, r->value); - return 0; - } - - case MSP_GET_DFPREG: - { - struct msp_dfpreg *r = arg; - - if (r->reg < 0 || r->reg >= DFP_COUNT) - return -EINVAL; - r->value = msp_read_dsp(client, r->reg); - return 0; - } -#endif /* 1 */ /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a @@ -1905,7 +713,7 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) va->treble = state->treble; msp_any_detect_stereo(client); - va->mode = mode_v4l2_to_v4l1(state->rxsubchans); + va->mode = msp_mode_v4l2_to_v4l1(state->rxsubchans); break; } @@ -1921,7 +729,7 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) msp_set_audio(client); if (va->mode != 0 && state->norm != VIDEO_MODE_RADIO) - msp_any_set_audmode(client,mode_v4l1_to_v4l2(va->mode)); + msp_any_set_audmode(client, msp_mode_v4l1_to_v4l2(va->mode)); break; } @@ -2231,7 +1039,6 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind) struct i2c_client *client; struct msp_state *state; int (*thread_func)(void *data) = NULL; - int i; client = kmalloc(sizeof(*client), GFP_KERNEL); if (client == NULL) @@ -2265,8 +1072,6 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind) state->input = -1; state->muted = 0; state->i2s_mode = 0; - for (i = 0; i < DFP_COUNT; i++) - state->dfp_regs[i] = -1; init_waitqueue_head(&state->wq); state->rev1 = msp_read_dsp(client, 0x1e); @@ -2274,7 +1079,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind) state->rev2 = msp_read_dsp(client, 0x1f); msp_dbg1("rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2); if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) { - msp_dbg1("error while reading chip version\n"); + msp_dbg1("not an msp3400 (cannot read chip version)\n"); kfree(state); kfree(client); return -1; diff --git a/linux/drivers/media/video/msp3400-kthreads.c b/linux/drivers/media/video/msp3400-kthreads.c new file mode 100644 index 000000000..5aa308a02 --- /dev/null +++ b/linux/drivers/media/video/msp3400-kthreads.c @@ -0,0 +1,1071 @@ +/* + * Programming the mspx4xx sound processor family + * + * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "compat.h" + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/videodev.h> +#include <linux/videodev2.h> +#include <media/v4l2-common.h> +#include <media/audiochip.h> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) +#include <linux/kthread.h> +#include <linux/suspend.h> +#endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +#include "i2c-compat.h" +#endif +#include "msp3400.h" + +/* this one uses the automatic sound standard detection of newer msp34xx + chip versions */ +static struct { + int retval; + int main, second; + char *name; +} msp_modelist[] = { + { 0x0000, 0, 0, "could not detect sound standard" }, + { 0x0001, 0, 0, "autodetect start" }, + { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, + { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, + { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, + { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, + { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, + { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, + { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, + { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, + { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, + { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, + { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, + { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, + { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, + { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, + { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, + { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, + { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, + { -1, 0, 0, NULL }, /* EOF */ +}; + +static struct msp3400c_init_data_dem { + int fir1[6]; + int fir2[6]; + int cdo1; + int cdo2; + int ad_cv; + int mode_reg; + int dsp_src; + int dsp_matrix; +} msp3400c_init_data[] = { + { /* AM (for carrier detect / msp3400) */ + {75, 19, 36, 35, 39, 40}, + {75, 19, 36, 35, 39, 40}, + MSP_CARRIER(5.5), MSP_CARRIER(5.5), + 0x00d0, 0x0500, 0x0020, 0x3000 + },{ /* AM (for carrier detect / msp3410) */ + {-1, -1, -8, 2, 59, 126}, + {-1, -1, -8, 2, 59, 126}, + MSP_CARRIER(5.5), MSP_CARRIER(5.5), + 0x00d0, 0x0100, 0x0020, 0x3000 + },{ /* FM Radio */ + {-8, -8, 4, 6, 78, 107}, + {-8, -8, 4, 6, 78, 107}, + MSP_CARRIER(10.7), MSP_CARRIER(10.7), + 0x00d0, 0x0480, 0x0020, 0x3000 + },{ /* Terrestial FM-mono + FM-stereo */ + {3, 18, 27, 48, 66, 72}, + {3, 18, 27, 48, 66, 72}, + MSP_CARRIER(5.5), MSP_CARRIER(5.5), + 0x00d0, 0x0480, 0x0030, 0x3000 + },{ /* Sat FM-mono */ + { 1, 9, 14, 24, 33, 37}, + { 3, 18, 27, 48, 66, 72}, + MSP_CARRIER(6.5), MSP_CARRIER(6.5), + 0x00c6, 0x0480, 0x0000, 0x3000 + },{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ + {-2, -8, -10, 10, 50, 86}, + {3, 18, 27, 48, 66, 72}, + MSP_CARRIER(5.5), MSP_CARRIER(5.5), + 0x00d0, 0x0040, 0x0120, 0x3000 + },{ /* NICAM/FM -- I (6.0/6.552) */ + {2, 4, -6, -4, 40, 94}, + {3, 18, 27, 48, 66, 72}, + MSP_CARRIER(6.0), MSP_CARRIER(6.0), + 0x00d0, 0x0040, 0x0120, 0x3000 + },{ /* NICAM/AM -- L (6.5/5.85) */ + {-2, -8, -10, 10, 50, 86}, + {-4, -12, -9, 23, 79, 126}, + MSP_CARRIER(6.5), MSP_CARRIER(6.5), + 0x00c6, 0x0140, 0x0120, 0x7c03 + }, +}; + +struct msp3400c_carrier_detect { + int cdo; + char *name; +}; + +static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { + /* main carrier */ + { MSP_CARRIER(4.5), "4.5 NTSC" }, + { MSP_CARRIER(5.5), "5.5 PAL B/G" }, + { MSP_CARRIER(6.0), "6.0 PAL I" }, + { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } +}; + +static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { + /* PAL B/G */ + { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, + { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } +}; + +static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { + /* PAL SAT / SECAM */ + { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, + { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, + { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, + { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, + { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, + { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, +}; + +/* ------------------------------------------------------------------------ */ + +const char *msp_standard_mode_name(int mode) +{ + int i; + + for (i = 0; msp_modelist[i].name != NULL; i++) + if (msp_modelist[i].retval == mode) + return msp_modelist[i].name; + return "unknown"; +} + +void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2) +{ + msp_write_dem(client, 0x0093, cdo1 & 0xfff); + msp_write_dem(client, 0x009b, cdo1 >> 12); + msp_write_dem(client, 0x00a3, cdo2 & 0xfff); + msp_write_dem(client, 0x00ab, cdo2 >> 12); + msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ +} + +void msp3400c_setmode(struct i2c_client *client, int type) +{ + struct msp_state *state = i2c_get_clientdata(client); + int i; + + msp_dbg1("setmode: %d\n", type); + state->mode = type; + state->audmode = V4L2_TUNER_MODE_MONO; + state->rxsubchans = V4L2_TUNER_SUB_MONO; + + msp_write_dem(client, 0x00bb, msp3400c_init_data[type].ad_cv); + + for (i = 5; i >= 0; i--) /* fir 1 */ + msp_write_dem(client, 0x0001, msp3400c_init_data[type].fir1[i]); + + msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ + msp_write_dem(client, 0x0005, 0x0040); + msp_write_dem(client, 0x0005, 0x0000); + for (i = 5; i >= 0; i--) + msp_write_dem(client, 0x0005, msp3400c_init_data[type].fir2[i]); + + msp_write_dem(client, 0x0083, msp3400c_init_data[type].mode_reg); + + msp3400c_setcarrier(client, msp3400c_init_data[type].cdo1, + msp3400c_init_data[type].cdo2); + + msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ + + if (dolby) { + msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */ + msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */ + msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src); + } else { + msp_write_dsp(client, 0x0008, msp3400c_init_data[type].dsp_src); + msp_write_dsp(client, 0x0009, msp3400c_init_data[type].dsp_src); + msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src); + } + msp_write_dsp(client, 0x000a, msp3400c_init_data[type].dsp_src); + msp_write_dsp(client, 0x000e, msp3400c_init_data[type].dsp_matrix); + + if (HAVE_NICAM(state)) { + /* nicam prescale */ + msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */ + } +} + +/* given a bitmask of VIDEO_SOUND_XXX returns the "best" in the bitmask */ +static int msp3400c_best_video_sound(int rxsubchans) +{ + if (rxsubchans & V4L2_TUNER_SUB_STEREO) + return V4L2_TUNER_MODE_STEREO; + if (rxsubchans & V4L2_TUNER_SUB_LANG1) + return V4L2_TUNER_MODE_LANG1; + if (rxsubchans & V4L2_TUNER_SUB_LANG2) + return V4L2_TUNER_MODE_LANG2; + return V4L2_TUNER_MODE_MONO; +} + +/* turn on/off nicam + stereo */ +void msp3400c_setstereo(struct i2c_client *client, int mode) +{ + static char *strmode[] = { "0", "mono", "stereo", "3", + "lang1", "5", "6", "7", "lang2" + }; + struct msp_state *state = i2c_get_clientdata(client); + int nicam = 0; /* channel source: FM/AM or nicam */ + int src = 0; + + if (state->opmode == OPMODE_AUTOSELECT) { + /* this method would break everything, let's make sure + * it's never called + */ + msp_dbg1("setstereo called with mode=%d instead of set_source (ignored)\n", + mode); + return; + } + + /* switch demodulator */ + switch (state->mode) { + case MSP_MODE_FM_TERRA: + msp_dbg1("FM setstereo: %s\n", strmode[mode]); + msp3400c_setcarrier(client,state->second,state->main); + switch (mode) { + case V4L2_TUNER_MODE_STEREO: + msp_write_dsp(client, 0x000e, 0x3001); + break; + case V4L2_TUNER_MODE_MONO: + case V4L2_TUNER_MODE_LANG1: + case V4L2_TUNER_MODE_LANG2: + msp_write_dsp(client, 0x000e, 0x3000); + break; + } + break; + case MSP_MODE_FM_SAT: + msp_dbg1("SAT setstereo: %s\n", strmode[mode]); + switch (mode) { + case V4L2_TUNER_MODE_MONO: + msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); + break; + case V4L2_TUNER_MODE_STEREO: + msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); + break; + case V4L2_TUNER_MODE_LANG1: + msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); + break; + case V4L2_TUNER_MODE_LANG2: + msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); + break; + } + break; + case MSP_MODE_FM_NICAM1: + case MSP_MODE_FM_NICAM2: + case MSP_MODE_AM_NICAM: + msp_dbg1("NICAM setstereo: %s\n",strmode[mode]); + msp3400c_setcarrier(client,state->second,state->main); + if (state->nicam_on) + nicam=0x0100; + break; + case MSP_MODE_BTSC: + msp_dbg1("BTSC setstereo: %s\n",strmode[mode]); + nicam=0x0300; + break; + case MSP_MODE_EXTERN: + msp_dbg1("extern setstereo: %s\n",strmode[mode]); + nicam = 0x0200; + break; + case MSP_MODE_FM_RADIO: + msp_dbg1("FM-Radio setstereo: %s\n",strmode[mode]); + break; + default: + msp_dbg1("mono setstereo\n"); + return; + } + + /* switch audio */ + switch (msp3400c_best_video_sound(mode)) { + case V4L2_TUNER_MODE_STEREO: + src = 0x0020 | nicam; +#if 0 + /* spatial effect */ + msp_write_dsp(client, 0x0005,0x4000); +#endif + break; + case V4L2_TUNER_MODE_MONO: + if (state->mode == MSP_MODE_AM_NICAM) { + msp_dbg1("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; + } + msp_dbg1("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) { + msp_dbg1("mono sound carrier: %d.%03d MHz\n", + state->main / 910000, (state->main / 910) % 1000); + } else { + msp_dbg1("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) + msp_dbg1("NICAM/FM carrier : %d.%03d MHz\n", + state->second / 910000, (state->second/910) % 1000); + if (state->mode == MSP_MODE_AM_NICAM) + msp_dbg1("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) { + msp_dbg1("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; + msp_dbg2("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); + msp_dbg2("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); + msp_dbg2("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; + msp_dbg1("watch: rxsubchans %d => %d\n", + state->rxsubchans,rxsubchans); + state->rxsubchans = rxsubchans; + } + if (newnicam != state->nicam_on) { + update = 1; + msp_dbg1("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; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + msp_setup_thread(state); +#endif + + msp_dbg1("msp3400 daemon started\n"); + for (;;) { + msp_dbg2("msp3400 thread: sleep\n"); + msp_sleep(state, -1); + msp_dbg2("msp3400 thread: wakeup\n"); + + restart: + msp_dbg1("thread: restart scan\n"); + state->restart = 0; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + if (state->rmmod || signal_pending(current)) +#else + if (kthread_should_stop()) +#endif + break; + + if (VIDEO_MODE_RADIO == state->norm || + MSP_MODE_EXTERN == state->mode) { + /* no carrier scan, just unmute */ + msp_dbg1("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; + msp_dbg1("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; + msp_dbg1("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; + msp_dbg1("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); + } + } + msp_dbg1("thread: exit\n"); +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + state->kthread = NULL; + + if (state->notify != NULL) + up(state->notify); +#endif + 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; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + msp_setup_thread(state); +#endif + msp_dbg1("msp3410 daemon started\n"); + + for (;;) { + msp_dbg2("msp3410 thread: sleep\n"); + msp_sleep(state,-1); + msp_dbg2("msp3410 thread: wakeup\n"); + + restart: + msp_dbg1("thread: restart scan\n"); + state->restart = 0; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + if (state->rmmod || signal_pending(current)) +#else + if (kthread_should_stop()) +#endif + break; + + if (state->mode == MSP_MODE_EXTERN) { + /* no carrier scan needed, just unmute */ + msp_dbg1("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) + msp_dbg1("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; + msp_dbg1("detection still in progress\n"); + } + } + for (i = 0; msp_modelist[i].name != NULL; i++) + if (msp_modelist[i].retval == val) + break; + msp_dbg1("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 */ + msp_dbg1("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); +#if 0 + /* radio from SCART_IN2 */ + msp_write_dsp(client, 0x08, 0x0220); + msp_write_dsp(client, 0x09, 0x0220); + msp_write_dsp(client, 0x0b, 0x0220); +#else + /* msp34xx does radio decoding */ + msp_write_dsp(client, 0x08, 0x0020); + msp_write_dsp(client, 0x09, 0x0020); + msp_write_dsp(client, 0x0b, 0x0020); +#endif + 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); + } + } + msp_dbg1("thread: exit\n"); +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + state->kthread = NULL; + + if (state->notify != NULL) + up(state->notify); +#endif + 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); + + msp_dbg1("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; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + msp_setup_thread(state); +#endif + msp_dbg1("msp34xxg daemon started\n"); + + state->source = 1; /* default */ + for (;;) { + msp_dbg2("msp34xxg thread: sleep\n"); + msp_sleep(state, -1); + msp_dbg2("msp34xxg thread: wakeup\n"); + + restart: + msp_dbg1("thread: restart scan\n"); + state->restart = 0; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + if (state->rmmod || signal_pending(current)) +#else + if (kthread_should_stop()) +#endif + break; + + /* setup the chip*/ + msp34xxg_reset(client); + std = standard; + if (std != 0x01) + goto unmute; + + /* watch autodetect */ + msp_dbg1("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; + } + msp_dbg2("detection still in progress\n"); + } + if (std == 1) { + msp_dbg1("detection still in progress after 10 tries. giving up.\n"); + continue; + } + + unmute: + state->mode = std; + msp_dbg1("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); + } + msp_dbg1("thread: exit\n"); +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + state->kthread = NULL; + + if (state->notify != NULL) + up(state->notify); +#endif + 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. + */ + } + msp_dbg1("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); +} + diff --git a/linux/drivers/media/video/msp3400.c b/linux/drivers/media/video/msp3400.c deleted file mode 100644 index dccdff716..000000000 --- a/linux/drivers/media/video/msp3400.c +++ /dev/null @@ -1,2450 +0,0 @@ -/* - * programming the msp34* sound processor family - * - * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> - * - * what works and what doesn't: - * - * AM-Mono - * Support for Hauppauge cards added (decoding handled by tuner) added by - * Frederic Crozat <fcrozat@mail.dotcom.fr> - * - * FM-Mono - * should work. The stereo modes are backward compatible to FM-mono, - * therefore FM-Mono should be allways available. - * - * FM-Stereo (B/G, used in germany) - * should work, with autodetect - * - * FM-Stereo (satellite) - * should work, no autodetect (i.e. default is mono, but you can - * switch to stereo -- untested) - * - * NICAM (B/G, L , used in UK, Scandinavia, Spain and France) - * should work, with autodetect. Support for NICAM was added by - * Pekka Pietikainen <pp@netppl.fi> - * - * - * TODO: - * - better SAT support - * - * - * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) - * using soundcore instead of OSS - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include "compat.h" -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) -#include <linux/kthread.h> -#include <linux/suspend.h> -#endif -#include <asm/semaphore.h> -#include <asm/pgtable.h> - -#include <linux/videodev.h> -#include <media/audiochip.h> -#include <media/v4l2-common.h> -#include "msp3400.h" -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) -#include "i2c-compat.h" -#endif - -/* ---------------------------------------------------------------------- */ - -MODULE_DESCRIPTION("device driver for msp34xx TV sound processor"); -MODULE_AUTHOR("Gerd Knorr"); -MODULE_LICENSE("GPL"); - -#define OPMODE_AUTO -1 -#define OPMODE_MANUAL 0 -#define OPMODE_AUTODETECT 1 /* use autodetect (>= msp3410 only) */ -#define OPMODE_AUTOSELECT 2 /* use autodetect & autoselect (>= msp34xxG) */ - -/* module parameters */ -static int opmode = OPMODE_AUTO; -static int debug = 0; /* debug output */ -static int once = 0; /* no continous stereo monitoring */ -static int amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), - the autoscan seems work well only with FM... */ -static int standard = 1; /* Override auto detect of audio standard, if needed. */ -static int dolby = 0; - -static int stereo_threshold = 0x190; /* a2 threshold for stereo/bilingual - (msp34xxg only) 0x00a0-0x03c0 */ - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) -/* read-only */ -module_param(opmode, int, 0444); - -/* read-write */ -module_param(once, int, 0644); -module_param(debug, int, 0644); -module_param(stereo_threshold, int, 0644); -module_param(standard, int, 0644); -module_param(amsound, int, 0644); -module_param(dolby, int, 0644); -#else -MODULE_PARM(opmode, "i"); -MODULE_PARM(once, "i"); -MODULE_PARM(debug, "i"); -MODULE_PARM(stereo_threshold, "i"); -MODULE_PARM(standard, "i"); -MODULE_PARM(amsound, "i"); -MODULE_PARM(dolby, "i"); -#endif - -MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect"); -MODULE_PARM_DESC(once, "No continuous stereo monitoring"); -MODULE_PARM_DESC(debug, "Enable debug messages"); -MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo"); -MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect"); -MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan"); -MODULE_PARM_DESC(dolby, "Activates Dolby processsing"); - -/* ---------------------------------------------------------------------- */ - -#define msp_err(fmt, arg...) \ - printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) -#define msp_warn(fmt, arg...) \ - printk(KERN_WARNING "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) -#define msp_info(fmt, arg...) \ - printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg) - -/* level 1 debug. */ -#define msp_dbg1(fmt, arg...) \ - do { \ - if (debug) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -/* level 2 debug. */ -#define msp_dbg2(fmt, arg...) \ - do { \ - if (debug >= 2) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -/* level 3 debug. Use with care. */ -#define msp_dbg3(fmt, arg...) \ - do { \ - if (debug >= 16) \ - printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); \ - } while (0) - -/* control subaddress */ -#define I2C_MSP_CONTROL 0x00 -/* demodulator unit subaddress */ -#define I2C_MSP_DEM 0x10 -/* DSP unit subaddress */ -#define I2C_MSP_DSP 0x12 - -/* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x80 >> 1, 0x88 >> 1, I2C_CLIENT_END }; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; -#endif - -I2C_CLIENT_INSMOD; - -#define DFP_COUNT 0x41 -static const int bl_dfp[] = { - 0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a, - 0x0b, 0x0d, 0x0e, 0x10 -}; - -#define HAVE_NICAM(state) (((state->rev2 >> 8) & 0xff) != 0) -#define HAVE_RADIO(state) ((state->rev1 & 0x0f) >= 'G'-'@') - -struct msp_state { - int rev1, rev2; - - int opmode; - int mode; - int norm; - int stereo; - int nicam_on; - int acb; - int in_scart; - int i2s_mode; - int main, second; /* sound carrier */ - int input; - int source; /* see msp34xxg_set_source */ - - /* v4l2 */ - int audmode; - int rxsubchans; - - int muted; - int volume, balance; - int bass, treble; - - /* shadow register set */ - int dfp_regs[DFP_COUNT]; - - /* thread */ - struct task_struct *kthread; - wait_queue_head_t wq; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - struct semaphore *notify; - int rmmod:1; -#endif - int restart:1; - int watch_stereo:1; -}; - -#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ - - -/* ----------------------------------------------------------------------- */ -/* functions for talking to the MSP3400C Sound processor */ - -static int msp_reset(struct i2c_client *client) -{ - /* reset and read revision code */ - static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 }; - static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 }; - static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e }; - u8 read[2]; - struct i2c_msg reset[2] = { - { client->addr, I2C_M_IGNORE_NAK, 3, reset_off }, - { client->addr, I2C_M_IGNORE_NAK, 3, reset_on }, - }; - struct i2c_msg test[2] = { - { client->addr, 0, 3, write }, - { client->addr, I2C_M_RD, 2, read }, - }; - - msp_dbg3("msp_reset\n"); - if (i2c_transfer(client->adapter, &reset[0], 1) != 1 || - i2c_transfer(client->adapter, &reset[1], 1) != 1 || - i2c_transfer(client->adapter, test, 2) != 2) { - msp_err("chip reset failed\n"); - return -1; - } - return 0; -} - -static int msp_read(struct i2c_client *client, int dev, int addr) -{ - int err, retval; - u8 write[3]; - u8 read[2]; - struct i2c_msg msgs[2] = { - { client->addr, 0, 3, write }, - { client->addr, I2C_M_RD, 2, read } - }; - - write[0] = dev + 1; - write[1] = addr >> 8; - write[2] = addr & 0xff; - - for (err = 0; err < 3; err++) { - if (i2c_transfer(client->adapter, msgs, 2) == 2) - break; - msp_warn("I/O error #%d (read 0x%02x/0x%02x)\n", err, - dev, addr); - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(msecs_to_jiffies(10)); - } - if (err == 3) { - msp_warn("giving up, resetting chip. Sound will go off, sorry folks :-|\n"); - msp_reset(client); - return -1; - } - retval = read[0] << 8 | read[1]; - msp_dbg3("msp_read(0x%x, 0x%x): 0x%x\n", dev, addr, retval); - return retval; -} - -static inline int msp_read_dem(struct i2c_client *client, int addr) -{ - return msp_read(client, I2C_MSP_DEM, addr); -} - -static inline int msp_read_dsp(struct i2c_client *client, int addr) -{ - return msp_read(client, I2C_MSP_DSP, addr); -} - -static int msp_write(struct i2c_client *client, int dev, int addr, int val) -{ - int err; - u8 buffer[5]; - - buffer[0] = dev; - buffer[1] = addr >> 8; - buffer[2] = addr & 0xff; - buffer[3] = val >> 8; - buffer[4] = val & 0xff; - - msp_dbg3("msp_write(0x%x, 0x%x, 0x%x)\n", dev, addr, val); - for (err = 0; err < 3; err++) { - if (i2c_master_send(client, buffer, 5) == 5) - break; - msp_warn("I/O error #%d (write 0x%02x/0x%02x)\n", err, - dev, addr); - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(msecs_to_jiffies(10)); - } - if (err == 3) { - msp_warn("giving up, resetting chip. Sound will go off, sorry folks :-|\n"); - msp_reset(client); - return -1; - } - return 0; -} - -static inline int msp_write_dem(struct i2c_client *client, int addr, int val) -{ - return msp_write(client, I2C_MSP_DEM, addr, val); -} - -static inline int msp_write_dsp(struct i2c_client *client, int addr, int val) -{ - return msp_write(client, I2C_MSP_DSP, addr, val); -} - -/* ----------------------------------------------------------------------- * - * bits 9 8 5 - SCART DSP input Select: - * 0 0 0 - SCART 1 to DSP input (reset position) - * 0 1 0 - MONO to DSP input - * 1 0 0 - SCART 2 to DSP input - * 1 1 1 - Mute DSP input - * - * bits 11 10 6 - SCART 1 Output Select: - * 0 0 0 - undefined (reset position) - * 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS) - * 1 0 0 - MONO input to SCART 1 Output - * 1 1 0 - SCART 1 DA to SCART 1 Output - * 0 0 1 - SCART 2 DA to SCART 1 Output - * 0 1 1 - SCART 1 Input to SCART 1 Output - * 1 1 1 - Mute SCART 1 Output - * - * bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART): - * 0 0 0 - SCART 1 DA to SCART 2 Output (reset position) - * 0 1 0 - SCART 1 Input to SCART 2 Output - * 1 0 0 - MONO input to SCART 2 Output - * 0 0 1 - SCART 2 DA to SCART 2 Output - * 0 1 1 - SCART 2 Input to SCART 2 Output - * 1 1 0 - Mute SCART 2 Output - * - * Bits 4 to 0 should be zero. - * ----------------------------------------------------------------------- */ - -static int scarts[3][9] = { - /* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */ - /* SCART DSP Input select */ - { 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 }, - /* SCART1 Output select */ - { 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 }, - /* SCART2 Output select */ - { 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 }, -}; - -static char *scart_names[] = { - "mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute" -}; - -static void msp_set_scart(struct i2c_client *client, int in, int out) -{ - struct msp_state *state = i2c_get_clientdata(client); - - state->in_scart=in; - - if (in >= 1 && in <= 8 && out >= 0 && out <= 2) { - if (-1 == scarts[out][in]) - return; - - state->acb &= ~scarts[out][SCART_MASK]; - state->acb |= scarts[out][in]; - } else - state->acb = 0xf60; /* Mute Input and SCART 1 Output */ - - msp_dbg1("scart switch: %s => %d (ACB=0x%04x)\n", - scart_names[in], out, state->acb); - msp_write_dsp(client, 0x13, state->acb); - - /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */ - msp_write_dem(client, 0x40, state->i2s_mode); -} - -/* ------------------------------------------------------------------------ */ - -/* This macro is allowed for *constants* only, gcc must calculate it - at compile time. Remember -- no floats in kernel mode */ -#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24))) - -#define MSP_MODE_AM_DETECT 0 -#define MSP_MODE_FM_RADIO 2 -#define MSP_MODE_FM_TERRA 3 -#define MSP_MODE_FM_SAT 4 -#define MSP_MODE_FM_NICAM1 5 -#define MSP_MODE_FM_NICAM2 6 -#define MSP_MODE_AM_NICAM 7 -#define MSP_MODE_BTSC 8 -#define MSP_MODE_EXTERN 9 - -static struct msp3400c_init_data_dem { - int fir1[6]; - int fir2[6]; - int cdo1; - int cdo2; - int ad_cv; - int mode_reg; - int dfp_src; - int dfp_matrix; -} msp3400c_init_data[] = { - { /* AM (for carrier detect / msp3400) */ - {75, 19, 36, 35, 39, 40}, - {75, 19, 36, 35, 39, 40}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0500, 0x0020, 0x3000 - },{ /* AM (for carrier detect / msp3410) */ - {-1, -1, -8, 2, 59, 126}, - {-1, -1, -8, 2, 59, 126}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0100, 0x0020, 0x3000 - },{ /* FM Radio */ - {-8, -8, 4, 6, 78, 107}, - {-8, -8, 4, 6, 78, 107}, - MSP_CARRIER(10.7), MSP_CARRIER(10.7), - 0x00d0, 0x0480, 0x0020, 0x3000 - },{ /* Terrestial FM-mono + FM-stereo */ - {3, 18, 27, 48, 66, 72}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0480, 0x0030, 0x3000 - },{ /* Sat FM-mono */ - { 1, 9, 14, 24, 33, 37}, - { 3, 18, 27, 48, 66, 72}, - MSP_CARRIER(6.5), MSP_CARRIER(6.5), - 0x00c6, 0x0480, 0x0000, 0x3000 - },{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */ - {-2, -8, -10, 10, 50, 86}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0040, 0x0120, 0x3000 - },{ /* NICAM/FM -- I (6.0/6.552) */ - {2, 4, -6, -4, 40, 94}, - {3, 18, 27, 48, 66, 72}, - MSP_CARRIER(6.0), MSP_CARRIER(6.0), - 0x00d0, 0x0040, 0x0120, 0x3000 - },{ /* NICAM/AM -- L (6.5/5.85) */ - {-2, -8, -10, 10, 50, 86}, - {-4, -12, -9, 23, 79, 126}, - MSP_CARRIER(6.5), MSP_CARRIER(6.5), - 0x00c6, 0x0140, 0x0120, 0x7c03 - }, -}; - -struct msp3400c_carrier_detect { - int cdo; - char *name; -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { - /* main carrier */ - { MSP_CARRIER(4.5), "4.5 NTSC" }, - { MSP_CARRIER(5.5), "5.5 PAL B/G" }, - { MSP_CARRIER(6.0), "6.0 PAL I" }, - { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { - /* PAL B/G */ - { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, - { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { - /* PAL SAT / SECAM */ - { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, - { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, - { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, - { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, - { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, - { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, -}; - -/* ------------------------------------------------------------------------ */ - -static void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2) -{ - msp_write_dem(client, 0x0093, cdo1 & 0xfff); - msp_write_dem(client, 0x009b, cdo1 >> 12); - msp_write_dem(client, 0x00a3, cdo2 & 0xfff); - msp_write_dem(client, 0x00ab, cdo2 >> 12); - msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ -} - -static void msp_set_mute(struct i2c_client *client) -{ - msp_dbg1("mute audio\n"); - msp_write_dsp(client, 0x0000, 0); /* loudspeaker */ - msp_write_dsp(client, 0x0006, 0); /* headphones */ -} - -static void msp_set_audio(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - int val = 0, bal = 0, bass, treble; - - if (!state->muted) - val = (state->volume * 0x7f / 65535) << 8; - if (val) - bal = (state->balance / 256) - 128; - bass = ((state->bass - 32768) * 0x60 / 65535) << 8; - treble = ((state->treble - 32768) * 0x60 / 65535) << 8; - - msp_dbg1("mute=%s volume=%d balance=%d bass=%d treble=%d\n", - state->muted ? "on" : "off", state->volume, state->balance, - state->bass, state->treble); - - msp_write_dsp(client, 0x0000, val); /* loudspeaker */ - msp_write_dsp(client, 0x0006, val); /* headphones */ - msp_write_dsp(client, 0x0007, state->muted ? 0x1 : (val | 0x1)); - msp_write_dsp(client, 0x0001, bal << 8); - msp_write_dsp(client, 0x0002, bass); /* loudspeaker */ - msp_write_dsp(client, 0x0003, treble); /* loudspeaker */ -} - -static void msp3400c_setmode(struct i2c_client *client, int type) -{ - struct msp_state *state = i2c_get_clientdata(client); - int i; - - msp_dbg1("setmode: %d\n",type); - state->mode = type; - state->audmode = V4L2_TUNER_MODE_MONO; - state->rxsubchans = V4L2_TUNER_SUB_MONO; - - msp_write_dem(client, 0x00bb, /* ad_cv */ - msp3400c_init_data[type].ad_cv); - - for (i = 5; i >= 0; i--) /* fir 1 */ - msp_write_dem(client, 0x0001, - msp3400c_init_data[type].fir1[i]); - - msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */ - msp_write_dem(client, 0x0005, 0x0040); - msp_write_dem(client, 0x0005, 0x0000); - for (i = 5; i >= 0; i--) - msp_write_dem(client, 0x0005, - msp3400c_init_data[type].fir2[i]); - - msp_write_dem(client, 0x0083, /* MODE_REG */ - msp3400c_init_data[type].mode_reg); - - msp3400c_setcarrier(client, msp3400c_init_data[type].cdo1, - msp3400c_init_data[type].cdo2); - - msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/ - - if (dolby) { - msp_write_dsp(client, 0x0008, - 0x0520); /* I2S1 */ - msp_write_dsp(client, 0x0009, - 0x0620); /* I2S2 */ - msp_write_dsp(client, 0x000b, - msp3400c_init_data[type].dfp_src); - } else { - msp_write_dsp(client, 0x0008, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x0009, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x000b, - msp3400c_init_data[type].dfp_src); - } - msp_write_dsp(client, 0x000a, - msp3400c_init_data[type].dfp_src); - msp_write_dsp(client, 0x000e, - msp3400c_init_data[type].dfp_matrix); - - if (HAVE_NICAM(state)) { - /* nicam prescale */ - msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */ - } -} - -/* given a bitmask of VIDEO_SOUND_XXX returns the "best" in the bitmask */ -static int msp3400c_best_video_sound(int rxsubchans) -{ - if (rxsubchans & V4L2_TUNER_SUB_STEREO) - return V4L2_TUNER_MODE_STEREO; - if (rxsubchans & V4L2_TUNER_SUB_LANG1) - return V4L2_TUNER_MODE_LANG1; - if (rxsubchans & V4L2_TUNER_SUB_LANG2) - return V4L2_TUNER_MODE_LANG2; - return V4L2_TUNER_MODE_MONO; -} - -/* turn on/off nicam + stereo */ -static void msp3400c_setstereo(struct i2c_client *client, int mode) -{ - static char *strmode[] = { "0", "mono", "stereo", "3", - "lang1", "5", "6", "7", "lang2" - }; - struct msp_state *state = i2c_get_clientdata(client); - int nicam = 0; /* channel source: FM/AM or nicam */ - int src = 0; - - if (state->opmode == OPMODE_AUTOSELECT) { - /* this method would break everything, let's make sure - * it's never called - */ - msp_dbg1("setstereo called with mode=%d instead of set_source (ignored)\n", - mode); - return; - } - - /* switch demodulator */ - switch (state->mode) { - case MSP_MODE_FM_TERRA: - msp_dbg1("FM setstereo: %s\n", strmode[mode]); - msp3400c_setcarrier(client,state->second,state->main); - switch (mode) { - case V4L2_TUNER_MODE_STEREO: - msp_write_dsp(client, 0x000e, 0x3001); - break; - case V4L2_TUNER_MODE_MONO: - case V4L2_TUNER_MODE_LANG1: - case V4L2_TUNER_MODE_LANG2: - msp_write_dsp(client, 0x000e, 0x3000); - break; - } - break; - case MSP_MODE_FM_SAT: - msp_dbg1("SAT setstereo: %s\n", strmode[mode]); - switch (mode) { - case V4L2_TUNER_MODE_MONO: - msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); - break; - case V4L2_TUNER_MODE_STEREO: - msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); - break; - case V4L2_TUNER_MODE_LANG1: - msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); - break; - case V4L2_TUNER_MODE_LANG2: - msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); - break; - } - break; - case MSP_MODE_FM_NICAM1: - case MSP_MODE_FM_NICAM2: - case MSP_MODE_AM_NICAM: - msp_dbg1("NICAM setstereo: %s\n",strmode[mode]); - msp3400c_setcarrier(client,state->second,state->main); - if (state->nicam_on) - nicam=0x0100; - break; - case MSP_MODE_BTSC: - msp_dbg1("BTSC setstereo: %s\n",strmode[mode]); - nicam=0x0300; - break; - case MSP_MODE_EXTERN: - msp_dbg1("extern setstereo: %s\n",strmode[mode]); - nicam = 0x0200; - break; - case MSP_MODE_FM_RADIO: - msp_dbg1("FM-Radio setstereo: %s\n",strmode[mode]); - break; - default: - msp_dbg1("mono setstereo\n"); - return; - } - - /* switch audio */ - switch (msp3400c_best_video_sound(mode)) { - case V4L2_TUNER_MODE_STEREO: - src = 0x0020 | nicam; -#if 0 - /* spatial effect */ - msp_write_dsp(client, 0x0005,0x4000); -#endif - break; - case V4L2_TUNER_MODE_MONO: - if (state->mode == MSP_MODE_AM_NICAM) { - msp_dbg1("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; - } - msp_dbg1("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) { - msp_dbg1("mono sound carrier: %d.%03d MHz\n", - state->main/910000,(state->main/910)%1000); - } else { - msp_dbg1("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) - msp_dbg1("NICAM/FM carrier : %d.%03d MHz\n", - state->second/910000,(state->second/910)%1000); - if (state->mode == MSP_MODE_AM_NICAM) - msp_dbg1("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) { - msp_dbg1("FM-stereo carrier : %d.%03d MHz\n", - state->second/910000,(state->second/910)%1000); - } -} - -static void msp3400c_restore_dfp(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - int i; - - for (i = 0; i < DFP_COUNT; i++) { - if (-1 == state->dfp_regs[i]) - continue; - msp_write_dsp(client, i, state->dfp_regs[i]); - } -} - -/* if the dfp_regs is set, set what's in there. Otherwise, set the default value */ -static int msp34xxg_write_dfp_with_default(struct i2c_client *client, - int addr, int default_value) -{ - struct msp_state *state = i2c_get_clientdata(client); - int value = default_value; - if (addr < DFP_COUNT && -1 != state->dfp_regs[addr]) - value = state->dfp_regs[addr]; - return msp_write_dsp(client, addr, value); -} - -/* ----------------------------------------------------------------------- */ - -static 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; - msp_dbg2("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); - msp_dbg2("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); - msp_dbg2("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; - msp_dbg1("watch: rxsubchans %d => %d\n", - state->rxsubchans,rxsubchans); - state->rxsubchans = rxsubchans; - } - if (newnicam != state->nicam_on) { - update = 1; - msp_dbg1("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 - */ - -static int msp_sleep(struct msp_state *state, int timeout) -{ - DECLARE_WAITQUEUE(wait, current); - - add_wait_queue(&state->wq, &wait); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (!(state->rmmod || signal_pending(current))) { -#else - if (!kthread_should_stop()) { -#endif - if (timeout < 0) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } else { -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) - schedule_timeout_interruptible - (msecs_to_jiffies(timeout)); -#else - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(timeout)); -#endif - } - } -#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) - if (current->flags & PF_FREEZE) { - refrigerator (PF_FREEZE); - } -#endif - - remove_wait_queue(&state->wq, &wait); -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) - try_to_freeze(); -#endif - return state->restart; -} - -/* 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; -} - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) -static void msp_setup_thread(struct msp_state *state) -{ - daemonize(); - exit_files(current); - reparent_to_init(); - - spin_lock_irq(SIGMASK_LOCK(current)); - sigfillset(¤t->blocked); - spin_unlock_irq(SIGMASK_LOCK(current)); - strcpy(current->comm, "msp3400"); - - state->kthread = current; - if (state->notify != NULL) - up(state->notify); -} -#endif - -static 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; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); -#endif - - msp_info("msp3400 daemon started\n"); - for (;;) { - msp_dbg2("msp3400 thread: sleep\n"); - msp_sleep(state, -1); - msp_dbg2("msp3400 thread: wakeup\n"); - - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) -#else - if (kthread_should_stop()) -#endif - break; - - if (VIDEO_MODE_RADIO == state->norm || - MSP_MODE_EXTERN == state->mode) { - /* no carrier scan, just unmute */ - msp_info("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; - msp_dbg1("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; - msp_dbg1("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; - msp_dbg1("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); - msp3400c_restore_dfp(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); - } - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; - - if (state->notify != NULL) - up(state->notify); -#endif - return 0; -} - -/* ----------------------------------------------------------------------- */ -/* this one uses the automatic sound standard detection of newer */ -/* msp34xx chip versions */ - -static struct MODES { - int retval; - int main, second; - char *name; -} modelist[] = { - { 0x0000, 0, 0, "could not detect sound standard" }, - { 0x0001, 0, 0, "autodetect started" }, - { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" }, - { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" }, - { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, - { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, - { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, - { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, - { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, - { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, - { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, - { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, - { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, - { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, - { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, - { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), "10.7 FM-Stereo Radio" }, - { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 SAT-Mono" }, - { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), "7.02/7.20 SAT-Stereo" }, - { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), "7.2 SAT ADR" }, - { -1, 0, 0, NULL }, /* EOF */ -}; - -static inline const char *msp_standard_mode_name(int mode) -{ - int i; - for (i = 0; modelist[i].name != NULL; i++) - if (modelist[i].retval == mode) - return modelist[i].name; - return "unknown"; -} - -static int msp_modus(struct i2c_client *client, int norm) -{ - switch (norm) { - case VIDEO_MODE_PAL: - msp_dbg1("video mode selected to PAL\n"); - -#if 1 /* KEEP */ - /* experimental: not sure this works with all chip versions */ - return 0x7003; -#else - /* previous value, try this if it breaks ... */ - return 0x1003; -#endif - case VIDEO_MODE_NTSC: /* BTSC */ - msp_dbg1("video mode selected to NTSC\n"); - return 0x2003; - case VIDEO_MODE_SECAM: - msp_dbg1("video mode selected to SECAM\n"); - return 0x0003; - case VIDEO_MODE_RADIO: - msp_dbg1("video mode selected to Radio\n"); - return 0x0003; - case VIDEO_MODE_AUTO: - msp_dbg1("video mode selected to Auto\n"); - return 0x2003; - default: - return 0x0003; - } -} - -static int msp_standard(int norm) -{ - switch (norm) { - case VIDEO_MODE_PAL: - return 1; - case VIDEO_MODE_NTSC: /* BTSC */ - return 0x0020; - case VIDEO_MODE_SECAM: - return 1; - case VIDEO_MODE_RADIO: - return 0x0040; - default: - return 1; - } -} - -static int msp3410d_thread(void *data) -{ - struct i2c_client *client = data; - struct msp_state *state = i2c_get_clientdata(client); - int mode,val,i,std; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); -#endif - msp_info("msp3410 daemon started\n"); - - for (;;) { - msp_dbg2("msp3410 thread: sleep\n"); - msp_sleep(state,-1); - msp_dbg2("msp3410 thread: wakeup\n"); - - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) -#else - if (kthread_should_stop()) -#endif - break; - - if (state->mode == MSP_MODE_EXTERN) { - /* no carrier scan needed, just unmute */ - msp_dbg1("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) - msp_dbg1("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; - msp_dbg1("detection still in progress\n"); - } - } - for (i = 0; modelist[i].name != NULL; i++) - if (modelist[i].retval == val) - break; - msp_dbg1("current mode: %s (0x%04x)\n", - modelist[i].name ? modelist[i].name : "unknown", - val); - state->main = modelist[i].main; - state->second = modelist[i].second; - - if (amsound && (state->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) { - /* autodetection has failed, let backup */ - msp_dbg1("autodetection failed," - " switching to backup mode: %s (0x%04x)\n", - modelist[8].name ? 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); -#if 0 - /* radio from SCART_IN2 */ - msp_write_dsp(client, 0x08, 0x0220); - msp_write_dsp(client, 0x09, 0x0220); - msp_write_dsp(client, 0x0b, 0x0220); -#else - /* msp34xx does radio decoding */ - msp_write_dsp(client, 0x08, 0x0020); - msp_write_dsp(client, 0x09, 0x0020); - msp_write_dsp(client, 0x0b, 0x0020); -#endif - 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); - msp3400c_restore_dfp(client); - - /* monitor tv audio mode */ - while (state->watch_stereo) { - if (msp_sleep(state,5000)) - goto restart; - watch_stereo(client); - } - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; - - if (state->notify != NULL) - up(state->notify); -#endif - 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 DFP 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); - - msp_dbg1("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 dfps that may have an influence on - standard/audio autodetection right now */ - msp34xxg_set_source(client, state->source); - - /* AM/FM Prescale, default: [15:8] 75khz deviation */ - if (msp34xxg_write_dfp_with_default(client, 0x0e, 0x3000)) - return -1; - - /* NICAM Prescale, default: 9db gain (as recommended) */ - if (msp34xxg_write_dfp_with_default(client, 0x10, 0x5a00)) - return -1; - - return 0; -} - -static int msp34xxg_thread(void *data) -{ - struct i2c_client *client = data; - struct msp_state *state = i2c_get_clientdata(client); - int val, std, i; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - msp_setup_thread(state); -#endif - msp_info("msp34xxg daemon started\n"); - - state->source = 1; /* default */ - for (;;) { - msp_dbg2("msp34xxg thread: sleep\n"); - msp_sleep(state, -1); - msp_dbg2("msp34xxg thread: wakeup\n"); - - restart: - msp_dbg1("thread: restart scan\n"); - state->restart = 0; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - if (state->rmmod || signal_pending(current)) -#else - if (kthread_should_stop()) -#endif - break; - - /* setup the chip*/ - msp34xxg_reset(client); - std = standard; - if (std != 0x01) - goto unmute; - - /* watch autodetect */ - msp_dbg1("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; - } - msp_dbg1("detection still in progress\n"); - } - if (std == 1) { - msp_dbg1("detection still in progress after 10 tries. giving up.\n"); - continue; - } - - unmute: - state->mode = std; - msp_dbg1("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); - } - msp_dbg1("thread: exit\n"); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - state->kthread = NULL; - - if (state->notify != NULL) - up(state->notify); -#endif - return 0; -} - -static 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. - */ - } - msp_dbg1("status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", - status, is_stereo, is_bilingual, state->rxsubchans); -} - -static 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); -} - - -/* ----------------------------------------------------------------------- */ - -static void msp_wake_thread(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - - if (NULL == state->kthread) - return; - msp_set_mute(client); - state->watch_stereo = 0; - state->restart = 1; - wake_up_interruptible(&state->wq); -} - -/* ----------------------------------------------------------------------- */ - -static int mode_v4l2_to_v4l1(int rxsubchans) -{ - int mode = 0; - - if (rxsubchans & V4L2_TUNER_SUB_STEREO) - mode |= VIDEO_SOUND_STEREO; - if (rxsubchans & V4L2_TUNER_SUB_LANG2) - mode |= VIDEO_SOUND_LANG2; - if (rxsubchans & V4L2_TUNER_SUB_LANG1) - mode |= VIDEO_SOUND_LANG1; - if (mode == 0) - mode |= VIDEO_SOUND_MONO; - return mode; -} - -static int mode_v4l1_to_v4l2(int mode) -{ - if (mode & VIDEO_SOUND_STEREO) - return V4L2_TUNER_MODE_STEREO; - if (mode & VIDEO_SOUND_LANG2) - return V4L2_TUNER_MODE_LANG2; - if (mode & VIDEO_SOUND_LANG1) - return V4L2_TUNER_MODE_LANG1; - return V4L2_TUNER_MODE_MONO; -} - -static void msp_any_detect_stereo(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - - switch (state->opmode) { - case OPMODE_MANUAL: - case OPMODE_AUTODETECT: - autodetect_stereo(client); - break; - case OPMODE_AUTOSELECT: - msp34xxg_detect_stereo(client); - break; - } -} - -static struct v4l2_queryctrl msp_qctrl[] = { - { - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 58880, - .flags = 0, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - .flags = 0, - .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ - .id = V4L2_CID_AUDIO_BASS, - .name = "Bass", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - },{ - .id = V4L2_CID_AUDIO_TREBLE, - .name = "Treble", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .type = V4L2_CTRL_TYPE_INTEGER, - }, -}; - - -static void msp_any_set_audmode(struct i2c_client *client, int audmode) -{ - struct msp_state *state = i2c_get_clientdata(client); - - switch (state->opmode) { - case OPMODE_MANUAL: - case OPMODE_AUTODETECT: - state->watch_stereo = 0; - msp3400c_setstereo(client, audmode); - break; - case OPMODE_AUTOSELECT: - msp34xxg_set_audmode(client, audmode); - break; - } -} - -static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) -{ - struct msp_state *state = i2c_get_clientdata(client); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - ctrl->value = state->muted; - break; - - case V4L2_CID_AUDIO_BALANCE: - ctrl->value = state->balance; - break; - - case V4L2_CID_AUDIO_BASS: - ctrl->value = state->bass; - break; - - case V4L2_CID_AUDIO_TREBLE: - ctrl->value = state->treble; - break; - - case V4L2_CID_AUDIO_VOLUME: - ctrl->value = state->volume; - break; - - default: - return -EINVAL; - } - return 0; -} - -static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) -{ - struct msp_state *state = i2c_get_clientdata(client); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - if (ctrl->value < 0 || ctrl->value >= 2) - return -ERANGE; - state->muted = ctrl->value; - break; - - case V4L2_CID_AUDIO_BASS: - state->bass = ctrl->value; - break; - - case V4L2_CID_AUDIO_TREBLE: - state->treble = ctrl->value; - break; - - case V4L2_CID_AUDIO_BALANCE: - state->balance = ctrl->value; - break; - - case V4L2_CID_AUDIO_VOLUME: - state->volume = ctrl->value; - if (state->volume == 0) - state->balance = 32768; - break; - - default: - return -EINVAL; - } - msp_set_audio(client); - return 0; -} - -static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - struct msp_state *state = i2c_get_clientdata(client); - u16 *sarg = arg; - int scart = 0; - - if (debug >= 2) - v4l_i2c_print_ioctl(client, cmd); - - switch (cmd) { - case AUDC_SET_INPUT: - if (*sarg == state->input) - break; - state->input = *sarg; - switch (*sarg) { - case AUDIO_RADIO: - /* Hauppauge uses IN2 for the radio */ - state->mode = MSP_MODE_FM_RADIO; - scart = SCART_IN2; - break; - case AUDIO_EXTERN_1: - /* IN1 is often used for external input ... */ - state->mode = MSP_MODE_EXTERN; - scart = SCART_IN1; - break; - case AUDIO_EXTERN_2: - /* ... sometimes it is IN2 through ;) */ - state->mode = MSP_MODE_EXTERN; - scart = SCART_IN2; - break; - case AUDIO_TUNER: - state->mode = -1; - break; - default: - if (*sarg & AUDIO_MUTE) - msp_set_scart(client, SCART_MUTE, 0); - break; - } - if (scart) { - state->rxsubchans = V4L2_TUNER_SUB_STEREO; - state->audmode = V4L2_TUNER_MODE_STEREO; - msp_set_scart(client, scart, 0); - msp_write_dsp(client, 0x000d, 0x1900); - if (state->opmode != OPMODE_AUTOSELECT) - msp3400c_setstereo(client, state->audmode); - } - msp_wake_thread(client); - break; - - case AUDC_SET_RADIO: - state->norm = VIDEO_MODE_RADIO; - msp_dbg1("switching to radio mode\n"); - state->watch_stereo = 0; - switch (state->opmode) { - case OPMODE_MANUAL: - /* set msp3400 to FM radio mode */ - msp3400c_setmode(client, MSP_MODE_FM_RADIO); - msp3400c_setcarrier(client, MSP_CARRIER(10.7), - MSP_CARRIER(10.7)); - msp_set_audio(client); - break; - case OPMODE_AUTODETECT: - case OPMODE_AUTOSELECT: - /* the thread will do for us */ - msp_wake_thread(client); - break; - } - break; -#if 1 - /* work-in-progress: hook to control the DFP registers */ - case MSP_SET_DFPREG: - { - struct msp_dfpreg *r = arg; - int i; - - if (r->reg < 0 || r->reg >= DFP_COUNT) - return -EINVAL; - for (i = 0; i < sizeof(bl_dfp) / sizeof(int); i++) - if (r->reg == bl_dfp[i]) - return -EINVAL; - state->dfp_regs[r->reg] = r->value; - msp_write_dsp(client, r->reg, r->value); - return 0; - } - - case MSP_GET_DFPREG: - { - struct msp_dfpreg *r = arg; - - if (r->reg < 0 || r->reg >= DFP_COUNT) - return -EINVAL; - r->value = msp_read_dsp(client, r->reg); - return 0; - } -#endif /* 1 */ - - /* --- v4l ioctls --- */ - /* take care: bttv does userspace copying, we'll get a - kernel pointer here... */ - case VIDIOCGAUDIO: - { - struct video_audio *va = arg; - - va->flags |= VIDEO_AUDIO_VOLUME | - VIDEO_AUDIO_BASS | - VIDEO_AUDIO_TREBLE | - VIDEO_AUDIO_MUTABLE; - if (state->muted) - va->flags |= VIDEO_AUDIO_MUTE; - - if (state->muted) - va->flags |= VIDEO_AUDIO_MUTE; - va->volume = state->volume; - va->balance = state->volume ? state->balance : 32768; - va->bass = state->bass; - va->treble = state->treble; - - msp_any_detect_stereo(client); - va->mode = mode_v4l2_to_v4l1(state->rxsubchans); - break; - } - - case VIDIOCSAUDIO: - { - struct video_audio *va = arg; - - state->muted = (va->flags & VIDEO_AUDIO_MUTE); - state->volume = va->volume; - state->balance = va->balance; - state->bass = va->bass; - state->treble = va->treble; - msp_set_audio(client); - - if (va->mode != 0 && state->norm != VIDEO_MODE_RADIO) - msp_any_set_audmode(client,mode_v4l1_to_v4l2(va->mode)); - break; - } - - case VIDIOCSCHAN: - { - struct video_channel *vc = arg; - - state->norm = vc->norm; - msp_wake_thread(client); - break; - } - - case VIDIOCSFREQ: - case VIDIOC_S_FREQUENCY: - { - /* new channel -- kick audio carrier scan */ - msp_wake_thread(client); - break; - } - - /* msp34xx specific */ - case MSP_SET_MATRIX: - { - struct msp_matrix *mspm = arg; - - msp_set_scart(client, mspm->input, mspm->output); - break; - } - - /* --- v4l2 ioctls --- */ - case VIDIOC_S_STD: - { - v4l2_std_id *id = arg; - - /*FIXME: use V4L2 mode flags on msp3400 instead of V4L1*/ - if (*id & V4L2_STD_PAL) { - state->norm = VIDEO_MODE_PAL; - } else if (*id & V4L2_STD_SECAM) { - state->norm = VIDEO_MODE_SECAM; - } else { - state->norm = VIDEO_MODE_NTSC; - } - - msp_wake_thread(client); - return 0; - } - - case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; - - if (i->index != 0) - return -EINVAL; - - i->type = V4L2_INPUT_TYPE_TUNER; - switch (i->index) { - case AUDIO_RADIO: - strcpy(i->name, "Radio"); - break; - case AUDIO_EXTERN_1: - strcpy(i->name, "Extern 1"); - break; - case AUDIO_EXTERN_2: - strcpy(i->name, "Extern 2"); - break; - case AUDIO_TUNER: - strcpy(i->name, "Television"); - break; - default: - return -EINVAL; - } - return 0; - } - - case VIDIOC_G_AUDIO: - { - struct v4l2_audio *a = arg; - - memset(a, 0, sizeof(*a)); - - switch (a->index) { - case AUDIO_RADIO: - strcpy(a->name, "Radio"); - break; - case AUDIO_EXTERN_1: - strcpy(a->name, "Extern 1"); - break; - case AUDIO_EXTERN_2: - strcpy(a->name, "Extern 2"); - break; - case AUDIO_TUNER: - strcpy(a->name, "Television"); - break; - default: - return -EINVAL; - } - - msp_any_detect_stereo(client); - if (state->audmode == V4L2_TUNER_MODE_STEREO) { - a->capability = V4L2_AUDCAP_STEREO; - } - - break; - } - - case VIDIOC_S_AUDIO: - { - struct v4l2_audio *sarg = arg; - - switch (sarg->index) { - case AUDIO_RADIO: - /* Hauppauge uses IN2 for the radio */ - state->mode = MSP_MODE_FM_RADIO; - scart = SCART_IN2; - break; - case AUDIO_EXTERN_1: - /* IN1 is often used for external input ... */ - state->mode = MSP_MODE_EXTERN; - scart = SCART_IN1; - break; - case AUDIO_EXTERN_2: - /* ... sometimes it is IN2 through ;) */ - state->mode = MSP_MODE_EXTERN; - scart = SCART_IN2; - break; - case AUDIO_TUNER: - state->mode = -1; - break; - } - if (scart) { - state->rxsubchans = V4L2_TUNER_SUB_STEREO; - state->audmode = V4L2_TUNER_MODE_STEREO; - msp_set_scart(client, scart, 0); - msp_write_dsp(client, 0x000d, 0x1900); - } - if (sarg->capability == V4L2_AUDCAP_STEREO) { - state->audmode = V4L2_TUNER_MODE_STEREO; - } else { - state->audmode &= ~V4L2_TUNER_MODE_STEREO; - } - msp_any_set_audmode(client, state->audmode); - msp_wake_thread(client); - break; - } - - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *vt = arg; - - msp_any_detect_stereo(client); - vt->audmode = state->audmode; - vt->rxsubchans = state->rxsubchans; - vt->capability = V4L2_TUNER_CAP_STEREO | - V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; - break; - } - - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *vt = (struct v4l2_tuner *)arg; - - /* only set audmode */ - if (vt->audmode != -1 && vt->audmode != 0) - msp_any_set_audmode(client, vt->audmode); - break; - } - - case VIDIOC_G_AUDOUT: - { - struct v4l2_audioout *a = (struct v4l2_audioout *)arg; - int idx = a->index; - - memset(a, 0, sizeof(*a)); - - switch (idx) { - case 0: - strcpy(a->name, "Scart1 Out"); - break; - case 1: - strcpy(a->name, "Scart2 Out"); - break; - case 2: - strcpy(a->name, "I2S Out"); - break; - default: - return -EINVAL; - } - break; - - } - - case VIDIOC_S_AUDOUT: - { - struct v4l2_audioout *a = (struct v4l2_audioout *)arg; - - if (a->index < 0 || a->index > 2) - return -EINVAL; - - msp_dbg1("Setting audio out on msp34xx to input %i\n", a->index); - msp_set_scart(client, state->in_scart, a->index + 1); - - break; - } - - case VIDIOC_INT_I2S_CLOCK_FREQ: - { - u32 *a = (u32 *)arg; - - msp_dbg1("Setting I2S speed to %d\n", *a); - - switch (*a) { - case 1024000: - state->i2s_mode = 0; - break; - case 2048000: - state->i2s_mode = 1; - break; - default: - return -EINVAL; - } - break; - } - - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; - int i; - - for (i = 0; i < ARRAY_SIZE(msp_qctrl); i++) - if (qc->id && qc->id == msp_qctrl[i].id) { - memcpy(qc, &msp_qctrl[i], sizeof(*qc)); - return 0; - } - return -EINVAL; - } - - case VIDIOC_G_CTRL: - return msp_get_ctrl(client, arg); - - case VIDIOC_S_CTRL: - return msp_set_ctrl(client, arg); - - case VIDIOC_LOG_STATUS: - msp_any_detect_stereo(client); - msp_info("%s rev1 = 0x%04x rev2 = 0x%04x\n", - client->name, state->rev1, state->rev2); - msp_info("Audio: volume %d balance %d bass %d treble %d%s\n", - state->volume, state->balance, - state->bass, state->treble, - state->muted ? " (muted)" : ""); - msp_info("Mode: %s (%s%s)\n", msp_standard_mode_name(state->mode), - (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono", - (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : ""); - msp_info("ACB: 0x%04x\n", state->acb); - break; - - default: - /* nothing */ - break; - } - return 0; -} - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14) -static int msp_suspend(struct device * dev, pm_message_t state) -#else -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) -static int msp_suspend(struct device * dev, pm_message_t state, u32 level) -#else -static int msp_suspend(struct device * dev, u32 state, u32 level) -#endif -#endif -{ - struct i2c_client *client = container_of(dev, struct i2c_client, dev); - - msp_dbg1("suspend\n"); - msp_reset(client); - return 0; -} - -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14) -static int msp_resume(struct device * dev) -#else -static int msp_resume(struct device * dev, u32 level) -#endif -{ - struct i2c_client *client = container_of(dev, struct i2c_client, dev); - - msp_dbg1("resume\n"); - msp_wake_thread(client); - return 0; -} -#endif /* LINUX_VERSION_CODE */ - -/* ----------------------------------------------------------------------- */ - -static struct i2c_driver i2c_driver; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -static int msp_attach(struct i2c_adapter *adapter, int address, - unsigned short flags, int kind) -#else -static int msp_attach(struct i2c_adapter *adapter, int address, int kind) -#endif -{ - struct i2c_client *client; - struct msp_state *state; - int (*thread_func)(void *data) = NULL; - int i; - - client = kmalloc(sizeof(*client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memset(client, 0, sizeof(*client)); - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver; - client->flags = I2C_CLIENT_ALLOW_USE; - snprintf(client->name, sizeof(client->name) - 1, "msp3400"); - - if (msp_reset(client) == -1) { - msp_dbg1("msp3400 not found\n"); - kfree(client); - return -1; - } - - state = kmalloc(sizeof(*state), GFP_KERNEL); - if (state == NULL) { - kfree(client); - return -ENOMEM; - } - i2c_set_clientdata(client, state); - - memset(state, 0, sizeof(*state)); - state->norm = VIDEO_MODE_NTSC; - state->volume = 58880; /* 0db gain */ - state->balance = 32768; /* 0db gain */ - state->bass = 32768; - state->treble = 32768; - state->input = -1; - state->muted = 0; - state->i2s_mode = 0; - for (i = 0; i < DFP_COUNT; i++) - state->dfp_regs[i] = -1; - init_waitqueue_head(&state->wq); - - state->rev1 = msp_read_dsp(client, 0x1e); - if (state->rev1 != -1) - state->rev2 = msp_read_dsp(client, 0x1f); - msp_dbg1("rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2); - if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) { - msp_dbg1("error while reading chip version\n"); - kfree(state); - kfree(client); - return -1; - } - -#if 0 - /* this will turn on a 1kHz beep - might be useful for debugging... */ - msp_write_dsp(client, 0x0014, 0x1040); -#endif - msp_set_audio(client); - - snprintf(client->name, sizeof(client->name), "MSP%c4%02d%c-%c%d", - ((state->rev1 >> 4) & 0x0f) + '3', - (state->rev2 >> 8) & 0xff, - (state->rev1 & 0x0f) + '@', - ((state->rev1 >> 8) & 0xff) + '@', - state->rev2 & 0x1f); - - state->opmode = opmode; - if (state->opmode == OPMODE_AUTO) { - /* MSP revision G and up have both autodetect and autoselect */ - if ((state->rev1 & 0x0f) >= 'G'-'@') - state->opmode = OPMODE_AUTOSELECT; - /* MSP revision D and up have autodetect */ - else if ((state->rev1 & 0x0f) >= 'D'-'@') - state->opmode = OPMODE_AUTODETECT; - else - state->opmode = OPMODE_MANUAL; - } - - /* hello world :-) */ - msp_info("%s found @ 0x%x (%s)\n", client->name, address << 1, adapter->name); - msp_info("%s ", client->name); - if (HAVE_NICAM(state) && HAVE_RADIO(state)) - printk("supports nicam and radio, "); - else if (HAVE_NICAM(state)) - printk("supports nicam, "); - else if (HAVE_RADIO(state)) - printk("supports radio, "); - printk("mode is "); - - /* version-specific initialization */ - switch (state->opmode) { - case OPMODE_MANUAL: - printk("manual"); - thread_func = msp3400c_thread; - break; - case OPMODE_AUTODETECT: - printk("autodetect"); - thread_func = msp3410d_thread; - break; - case OPMODE_AUTOSELECT: - printk("autodetect and autoselect"); - thread_func = msp34xxg_thread; - break; - } - printk("\n"); - - /* startup control thread if needed */ - if (thread_func) { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - state->kthread = kthread_run(thread_func, client, "msp34xx"); - - if (state->kthread == NULL) - msp_warn("kernel_thread() failed\n"); -#else - DECLARE_MUTEX_LOCKED(sem); - - state->kthread = NULL; - state->notify = &sem; - kernel_thread(thread_func, client, 0); - down(&sem); - state->notify = NULL; -#endif - msp_wake_thread(client); - } - - /* done */ - i2c_attach_client(client); - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - MOD_INC_USE_COUNT; -#endif - return 0; -} - -static int msp_probe(struct i2c_adapter *adapter) -{ -#ifdef I2C_CLASS_TV_ANALOG - if (adapter->class & I2C_CLASS_TV_ANALOG) -#else - if (adapter->id == I2C_HW_B_BT848) -#endif - return i2c_probe(adapter, &addr_data, msp_attach); - return 0; -} - -static int msp_detach(struct i2c_client *client) -{ - struct msp_state *state = i2c_get_clientdata(client); - int err; - - /* shutdown control thread */ - if (state->kthread) { -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - DECLARE_MUTEX_LOCKED(sem); -#endif - state->restart = 1; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - /* shutdown control thread */ - state->notify = &sem; - state->rmmod = 1; - wake_up_interruptible(&state->wq); - down(&sem); - state->notify = NULL; -#else - kthread_stop(state->kthread); -#endif - } - msp_reset(client); - - err = i2c_detach_client(client); - if (err) { - return err; - } - - kfree(state); - kfree(client); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - MOD_DEC_USE_COUNT; -#endif - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ -static struct i2c_driver i2c_driver = { - .name = "msp3400", - .id = I2C_DRIVERID_MSP3400, - .flags = I2C_DF_NOTIFY, - .attach_adapter = msp_probe, - .detach_client = msp_detach, - .command = msp_command, -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .driver = { - .suspend = msp_suspend, - .resume = msp_resume, - }, - .owner = THIS_MODULE, -#endif -}; - -static int __init msp3400_init_module(void) -{ - return i2c_add_driver(&i2c_driver); -} - -static void __exit msp3400_cleanup_module(void) -{ - i2c_del_driver(&i2c_driver); -} - -module_init(msp3400_init_module); -module_exit(msp3400_cleanup_module); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/linux/drivers/media/video/msp3400.h b/linux/drivers/media/video/msp3400.h index 023f33056..3f9e03daf 100644 --- a/linux/drivers/media/video/msp3400.h +++ b/linux/drivers/media/video/msp3400.h @@ -1,5 +1,5 @@ /* - * $Id: msp3400.h,v 1.3 2005/06/12 04:19:19 mchehab Exp $ + * $Id: msp3400.h,v 1.4 2006/01/02 17:25:19 hverkuil Exp $ */ #ifndef MSP3400_H @@ -7,22 +7,62 @@ /* ---------------------------------------------------------------------- */ -struct msp_dfpreg { - int reg; - int value; -}; +#define msp_err(fmt, arg...) \ + printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg) +#define msp_warn(fmt, arg...) \ + printk(KERN_WARNING "%s %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg) +#define msp_info(fmt, arg...) \ + printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg) + +/* level 1 debug. */ +#define msp_dbg1(fmt, arg...) \ + do { \ + if (debug) \ + printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg); \ + } while (0) + +/* level 2 debug. */ +#define msp_dbg2(fmt, arg...) \ + do { \ + if (debug >= 2) \ + printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg); \ + } while (0) + +/* level 3 debug. Use with care. */ +#define msp_dbg3(fmt, arg...) \ + do { \ + if (debug >= 16) \ + printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ + i2c_adapter_id(client->adapter), client->addr , ## arg); \ + } while (0) struct msp_matrix { int input; int output; }; -#define MSP_SET_DFPREG _IOW('m',15,struct msp_dfpreg) -#define MSP_GET_DFPREG _IOW('m',16,struct msp_dfpreg) - /* ioctl for MSP_SET_MATRIX will have to be registered */ #define MSP_SET_MATRIX _IOW('m',17,struct msp_matrix) +/* This macro is allowed for *constants* only, gcc must calculate it + at compile time. Remember -- no floats in kernel mode */ +#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24))) + +#define MSP_MODE_AM_DETECT 0 +#define MSP_MODE_FM_RADIO 2 +#define MSP_MODE_FM_TERRA 3 +#define MSP_MODE_FM_SAT 4 +#define MSP_MODE_FM_NICAM1 5 +#define MSP_MODE_FM_NICAM2 6 +#define MSP_MODE_AM_NICAM 7 +#define MSP_MODE_BTSC 8 +#define MSP_MODE_EXTERN 9 + #define SCART_MASK 0 #define SCART_IN1 1 #define SCART_IN2 2 @@ -37,4 +77,81 @@ struct msp_matrix { #define SCART1_OUT 1 #define SCART2_OUT 2 +#define OPMODE_AUTO -1 +#define OPMODE_MANUAL 0 +#define OPMODE_AUTODETECT 1 /* use autodetect (>= msp3410 only) */ +#define OPMODE_AUTOSELECT 2 /* use autodetect & autoselect (>= msp34xxG) */ + +/* module parameters */ +extern int debug; +extern int once; +extern int amsound; +extern int standard; +extern int dolby; +extern int stereo_threshold; + +struct msp_state { + int rev1, rev2; + + int opmode; + int mode; + int norm; + int stereo; + int nicam_on; + int acb; + int in_scart; + int i2s_mode; + int main, second; /* sound carrier */ + int input; + int source; /* see msp34xxg_set_source */ + + /* v4l2 */ + int audmode; + int rxsubchans; + + int muted; + int volume, balance; + int bass, treble; + + /* thread */ + struct task_struct *kthread; + wait_queue_head_t wq; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) + struct semaphore *notify; + int rmmod:1; +#endif + int restart:1; + int watch_stereo:1; +}; + +#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */ + +#define HAVE_NICAM(state) (((state->rev2 >> 8) & 0xff) != 0) +#define HAVE_RADIO(state) ((state->rev1 & 0x0f) >= 'G'-'@') + +/* msp3400-driver.c */ +int msp_write_dem(struct i2c_client *client, int addr, int val); +int msp_write_dsp(struct i2c_client *client, int addr, int val); +int msp_read_dem(struct i2c_client *client, int addr); +int msp_read_dsp(struct i2c_client *client, int addr); +int msp_reset(struct i2c_client *client); +void msp_set_scart(struct i2c_client *client, int in, int out); +void msp_set_mute(struct i2c_client *client); +void msp_set_audio(struct i2c_client *client); +int msp_modus(struct i2c_client *client, int norm); +int msp_standard(int norm); +int msp_sleep(struct msp_state *state, int timeout); + +/* msp3400-kthreads.c */ +const char *msp_standard_mode_name(int mode); +void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2); +void msp3400c_setmode(struct i2c_client *client, int type); +void msp3400c_setstereo(struct i2c_client *client, int mode); +int autodetect_stereo(struct i2c_client *client); +int msp3400c_thread(void *data); +int msp3410d_thread(void *data); +int msp34xxg_thread(void *data); +void msp34xxg_detect_stereo(struct i2c_client *client); +void msp34xxg_set_audmode(struct i2c_client *client, int audmode); + #endif /* MSP3400_H */ diff --git a/v4l/ChangeLog b/v4l/ChangeLog index bf2528310..49877474d 100644 --- a/v4l/ChangeLog +++ b/v4l/ChangeLog @@ -1,3 +1,28 @@ +2006-01-02 17:20 hverkuil + + * linux/drivers/media/video/Makefile: + * linux/drivers/media/video/msp3400-driver.c: (msp_reset), + (msp_read_dem), (msp_read_dsp), (msp_write_dem), (msp_write_dsp), + (msp_set_scart), (msp_set_mute), (msp_set_audio), (msp_modus), + (msp_standard), (msp_setup_thread), (msp_wake_thread): + * linux/drivers/media/video/msp3400-kthreads.c: + (msp_standard_mode_name), (msp3400c_setcarrier), + (msp3400c_setmode), (msp3400c_best_video_sound), + (msp3400c_setstereo), (msp3400c_print_mode), (autodetect_stereo), + (watch_stereo), (msp3400c_thread), (msp3410d_thread), + (msp34xxg_set_source), (msp34xxg_reset), (msp34xxg_thread), + (msp34xxg_detect_stereo), (msp34xxg_set_audmode): + * linux/drivers/media/video/msp3400.c: + * linux/drivers/media/video/msp3400.h: + * v4l/Makefile: + - Split msp3400.c into msp3400-driver.c and msp3400-kthreads.c. + - Removed experimental DFPREG ioctls. If this is really needed one + day then it should be implemented using VIDIOC_G/S_REGISTER. + - Added missing BALANCE control info for VIDIOC_QUERYCTRL. + - Still more cleanup, clarified some kernel messages. + + Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> + 2006-01-01 22:35 mcisely * v4l_experimental/pvrusb2/pvrusb2-audio.c: diff --git a/v4l/Makefile b/v4l/Makefile index 985bf1b39..f96c7de85 100644 --- a/v4l/Makefile +++ b/v4l/Makefile @@ -30,6 +30,7 @@ cx88xx-objs := cx88-cards.o cx88-core.o cx88-i2c.o cx88-tvaudio.o \ cx8800-objs := cx88-video.o cx88-vbi.o cx8802-objs := cx88-mpeg.o tuner-objs := tuner-core.o tuner-simple.o mt20xx.o tda8290.o tea5767.o +msp3400-objs := msp3400-driver.o msp3400-kthreads.o list-multi := bttv.o saa7134.o cx88xx.o cx8800.o cx88-alsa.o cx8802.o em28xx-objs := em28xx-video.o em28xx-i2c.o em28xx-cards.o em28xx-core.o \ em28xx-input.o |