| /* |
| * Driver for simple i2c audio chips. |
| * |
| * Copyright (c) 2000 Gerd Knorr |
| * based on code by: |
| * Eric Sandeen (eric_sandeen@bigfoot.com) |
| * Steve VanDeBogart (vandebo@uclink.berkeley.edu) |
| * Greg Alexander (galexand@acm.org) |
| * |
| * For the TDA9875 part: |
| * Copyright (c) 2000 Guillaume Delvit based on Gerd Knorr source |
| * and Eric Sandeen |
| * |
| * Copyright(c) 2005-2008 Mauro Carvalho Chehab |
| * - Some cleanups, code fixes, etc |
| * - Convert it to V4L2 API |
| * |
| * This code is placed under the terms of the GNU General Public License |
| * |
| * OPTIONS: |
| * debug - set to 1 if you'd like to see debug messages |
| * |
| */ |
| |
| #include <linux/module.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/videodev2.h> |
| #include <linux/i2c.h> |
| #include <linux/init.h> |
| #include <linux/kthread.h> |
| #include <linux/freezer.h> |
| |
| #include <media/tvaudio.h> |
| #include <media/v4l2-device.h> |
| #include <media/v4l2-chip-ident.h> |
| |
| #include <media/i2c-addr.h> |
| |
| /* ---------------------------------------------------------------------- */ |
| /* insmod args */ |
| |
| static int debug; /* insmod parameter */ |
| module_param(debug, int, 0644); |
| |
| MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips"); |
| MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr"); |
| MODULE_LICENSE("GPL"); |
| |
| #define UNSET (-1U) |
| |
| /* ---------------------------------------------------------------------- */ |
| /* our structs */ |
| |
| #define MAXREGS 256 |
| |
| struct CHIPSTATE; |
| typedef int (*getvalue)(int); |
| typedef int (*checkit)(struct CHIPSTATE*); |
| typedef int (*initialize)(struct CHIPSTATE*); |
| typedef int (*getrxsubchans)(struct CHIPSTATE *); |
| typedef void (*setaudmode)(struct CHIPSTATE*, int mode); |
| |
| /* i2c command */ |
| typedef struct AUDIOCMD { |
| int count; /* # of bytes to send */ |
| unsigned char bytes[MAXREGS+1]; /* addr, data, data, ... */ |
| } audiocmd; |
| |
| /* chip description */ |
| struct CHIPDESC { |
| char *name; /* chip name */ |
| int addr_lo, addr_hi; /* i2c address range */ |
| int registers; /* # of registers */ |
| |
| int *insmodopt; |
| checkit checkit; |
| initialize initialize; |
| int flags; |
| #define CHIP_HAS_VOLUME 1 |
| #define CHIP_HAS_BASSTREBLE 2 |
| #define CHIP_HAS_INPUTSEL 4 |
| #define CHIP_NEED_CHECKMODE 8 |
| |
| /* various i2c command sequences */ |
| audiocmd init; |
| |
| /* which register has which value */ |
| int leftreg,rightreg,treblereg,bassreg; |
| |
| /* initialize with (defaults to 65535/65535/32768/32768 */ |
| int leftinit,rightinit,trebleinit,bassinit; |
| |
| /* functions to convert the values (v4l -> chip) */ |
| getvalue volfunc,treblefunc,bassfunc; |
| |
| /* get/set mode */ |
| getrxsubchans getrxsubchans; |
| setaudmode setaudmode; |
| |
| /* input switch register + values for v4l inputs */ |
| int inputreg; |
| int inputmap[4]; |
| int inputmute; |
| int inputmask; |
| }; |
| |
| /* current state of the chip */ |
| struct CHIPSTATE { |
| struct v4l2_subdev sd; |
| |
| /* chip-specific description - should point to |
| an entry at CHIPDESC table */ |
| struct CHIPDESC *desc; |
| |
| /* shadow register set */ |
| audiocmd shadow; |
| |
| /* current settings */ |
| __u16 left, right, treble, bass, muted; |
| int prevmode; |
| int radio; |
| int input; |
| |
| /* thread */ |
| struct task_struct *thread; |
| struct timer_list wt; |
| int audmode; |
| }; |
| |
| static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd) |
| { |
| return container_of(sd, struct CHIPSTATE, sd); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* i2c I/O functions */ |
| |
| static int chip_write(struct CHIPSTATE *chip, int subaddr, int val) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| struct i2c_client *c = v4l2_get_subdevdata(sd); |
| unsigned char buffer[2]; |
| |
| if (subaddr < 0) { |
| v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val); |
| chip->shadow.bytes[1] = val; |
| buffer[0] = val; |
| if (1 != i2c_master_send(c, buffer, 1)) { |
| v4l2_warn(sd, "I/O error (write 0x%x)\n", val); |
| return -1; |
| } |
| } else { |
| if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { |
| v4l2_info(sd, |
| "Tried to access a non-existent register: %d\n", |
| subaddr); |
| return -EINVAL; |
| } |
| |
| v4l2_dbg(1, debug, sd, "chip_write: reg%d=0x%x\n", |
| subaddr, val); |
| chip->shadow.bytes[subaddr+1] = val; |
| buffer[0] = subaddr; |
| buffer[1] = val; |
| if (2 != i2c_master_send(c, buffer, 2)) { |
| v4l2_warn(sd, "I/O error (write reg%d=0x%x)\n", |
| subaddr, val); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| static int chip_write_masked(struct CHIPSTATE *chip, |
| int subaddr, int val, int mask) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| |
| if (mask != 0) { |
| if (subaddr < 0) { |
| val = (chip->shadow.bytes[1] & ~mask) | (val & mask); |
| } else { |
| if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) { |
| v4l2_info(sd, |
| "Tried to access a non-existent register: %d\n", |
| subaddr); |
| return -EINVAL; |
| } |
| |
| val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask); |
| } |
| } |
| return chip_write(chip, subaddr, val); |
| } |
| |
| static int chip_read(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| struct i2c_client *c = v4l2_get_subdevdata(sd); |
| unsigned char buffer; |
| |
| if (1 != i2c_master_recv(c, &buffer, 1)) { |
| v4l2_warn(sd, "I/O error (read)\n"); |
| return -1; |
| } |
| v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer); |
| return buffer; |
| } |
| |
| static int chip_read2(struct CHIPSTATE *chip, int subaddr) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| struct i2c_client *c = v4l2_get_subdevdata(sd); |
| unsigned char write[1]; |
| unsigned char read[1]; |
| struct i2c_msg msgs[2] = { |
| { c->addr, 0, 1, write }, |
| { c->addr, I2C_M_RD, 1, read } |
| }; |
| |
| write[0] = subaddr; |
| |
| if (2 != i2c_transfer(c->adapter, msgs, 2)) { |
| v4l2_warn(sd, "I/O error (read2)\n"); |
| return -1; |
| } |
| v4l2_dbg(1, debug, sd, "chip_read2: reg%d=0x%x\n", |
| subaddr, read[0]); |
| return read[0]; |
| } |
| |
| static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| struct i2c_client *c = v4l2_get_subdevdata(sd); |
| int i; |
| |
| if (0 == cmd->count) |
| return 0; |
| |
| if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) { |
| v4l2_info(sd, |
| "Tried to access a non-existent register range: %d to %d\n", |
| cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1); |
| return -EINVAL; |
| } |
| |
| /* FIXME: it seems that the shadow bytes are wrong bellow !*/ |
| |
| /* update our shadow register set; print bytes if (debug > 0) */ |
| v4l2_dbg(1, debug, sd, "chip_cmd(%s): reg=%d, data:", |
| name, cmd->bytes[0]); |
| for (i = 1; i < cmd->count; i++) { |
| if (debug) |
| printk(KERN_CONT " 0x%x", cmd->bytes[i]); |
| chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i]; |
| } |
| if (debug) |
| printk(KERN_CONT "\n"); |
| |
| /* send data to the chip */ |
| if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) { |
| v4l2_warn(sd, "I/O error (%s)\n", name); |
| return -1; |
| } |
| return 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* kernel thread for doing i2c stuff asyncronly |
| * right now it is used only to check the audio mode (mono/stereo/whatever) |
| * some time after switching to another TV channel, then turn on stereo |
| * if available, ... |
| */ |
| |
| static void chip_thread_wake(unsigned long data) |
| { |
| struct CHIPSTATE *chip = (struct CHIPSTATE*)data; |
| wake_up_process(chip->thread); |
| } |
| |
| static int chip_thread(void *data) |
| { |
| struct CHIPSTATE *chip = data; |
| struct CHIPDESC *desc = chip->desc; |
| struct v4l2_subdev *sd = &chip->sd; |
| int mode, selected; |
| |
| v4l2_dbg(1, debug, sd, "thread started\n"); |
| set_freezable(); |
| for (;;) { |
| set_current_state(TASK_INTERRUPTIBLE); |
| if (!kthread_should_stop()) |
| schedule(); |
| set_current_state(TASK_RUNNING); |
| try_to_freeze(); |
| if (kthread_should_stop()) |
| break; |
| v4l2_dbg(1, debug, sd, "thread wakeup\n"); |
| |
| /* don't do anything for radio */ |
| if (chip->radio) |
| continue; |
| |
| /* have a look what's going on */ |
| mode = desc->getrxsubchans(chip); |
| if (mode == chip->prevmode) |
| continue; |
| |
| /* chip detected a new audio mode - set it */ |
| v4l2_dbg(1, debug, sd, "thread checkmode\n"); |
| |
| chip->prevmode = mode; |
| |
| selected = V4L2_TUNER_MODE_MONO; |
| switch (chip->audmode) { |
| case V4L2_TUNER_MODE_MONO: |
| if (mode & V4L2_TUNER_SUB_LANG1) |
| selected = V4L2_TUNER_MODE_LANG1; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1: |
| if (mode & V4L2_TUNER_SUB_LANG1) |
| selected = V4L2_TUNER_MODE_LANG1; |
| else if (mode & V4L2_TUNER_SUB_STEREO) |
| selected = V4L2_TUNER_MODE_STEREO; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| if (mode & V4L2_TUNER_SUB_LANG2) |
| selected = V4L2_TUNER_MODE_LANG2; |
| else if (mode & V4L2_TUNER_SUB_STEREO) |
| selected = V4L2_TUNER_MODE_STEREO; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| if (mode & V4L2_TUNER_SUB_LANG2) |
| selected = V4L2_TUNER_MODE_LANG1_LANG2; |
| else if (mode & V4L2_TUNER_SUB_STEREO) |
| selected = V4L2_TUNER_MODE_STEREO; |
| } |
| desc->setaudmode(chip, selected); |
| |
| /* schedule next check */ |
| mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000)); |
| } |
| |
| v4l2_dbg(1, debug, sd, "thread exiting\n"); |
| return 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for tda9840 */ |
| |
| #define TDA9840_SW 0x00 |
| #define TDA9840_LVADJ 0x02 |
| #define TDA9840_STADJ 0x03 |
| #define TDA9840_TEST 0x04 |
| |
| #define TDA9840_MONO 0x10 |
| #define TDA9840_STEREO 0x2a |
| #define TDA9840_DUALA 0x12 |
| #define TDA9840_DUALB 0x1e |
| #define TDA9840_DUALAB 0x1a |
| #define TDA9840_DUALBA 0x16 |
| #define TDA9840_EXTERNAL 0x7a |
| |
| #define TDA9840_DS_DUAL 0x20 /* Dual sound identified */ |
| #define TDA9840_ST_STEREO 0x40 /* Stereo sound identified */ |
| #define TDA9840_PONRES 0x80 /* Power-on reset detected if = 1 */ |
| |
| #define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */ |
| #define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */ |
| |
| static int tda9840_getrxsubchans(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int val, mode; |
| |
| val = chip_read(chip); |
| mode = V4L2_TUNER_SUB_MONO; |
| if (val & TDA9840_DS_DUAL) |
| mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| if (val & TDA9840_ST_STEREO) |
| mode = V4L2_TUNER_SUB_STEREO; |
| |
| v4l2_dbg(1, debug, sd, |
| "tda9840_getrxsubchans(): raw chip read: %d, return: %d\n", |
| val, mode); |
| return mode; |
| } |
| |
| static void tda9840_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| int update = 1; |
| int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e; |
| |
| switch (mode) { |
| case V4L2_TUNER_MODE_MONO: |
| t |= TDA9840_MONO; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| t |= TDA9840_STEREO; |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| t |= TDA9840_DUALA; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| t |= TDA9840_DUALB; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| t |= TDA9840_DUALAB; |
| break; |
| default: |
| update = 0; |
| } |
| |
| if (update) |
| chip_write(chip, TDA9840_SW, t); |
| } |
| |
| static int tda9840_checkit(struct CHIPSTATE *chip) |
| { |
| int rc; |
| rc = chip_read(chip); |
| /* lower 5 bits should be 0 */ |
| return ((rc & 0x1f) == 0) ? 1 : 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for tda985x */ |
| |
| /* subaddresses for TDA9855 */ |
| #define TDA9855_VR 0x00 /* Volume, right */ |
| #define TDA9855_VL 0x01 /* Volume, left */ |
| #define TDA9855_BA 0x02 /* Bass */ |
| #define TDA9855_TR 0x03 /* Treble */ |
| #define TDA9855_SW 0x04 /* Subwoofer - not connected on DTV2000 */ |
| |
| /* subaddresses for TDA9850 */ |
| #define TDA9850_C4 0x04 /* Control 1 for TDA9850 */ |
| |
| /* subaddesses for both chips */ |
| #define TDA985x_C5 0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */ |
| #define TDA985x_C6 0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */ |
| #define TDA985x_C7 0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */ |
| #define TDA985x_A1 0x08 /* Alignment 1 for both chips */ |
| #define TDA985x_A2 0x09 /* Alignment 2 for both chips */ |
| #define TDA985x_A3 0x0a /* Alignment 3 for both chips */ |
| |
| /* Masks for bits in TDA9855 subaddresses */ |
| /* 0x00 - VR in TDA9855 */ |
| /* 0x01 - VL in TDA9855 */ |
| /* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f) |
| * in 1dB steps - mute is 0x27 */ |
| |
| |
| /* 0x02 - BA in TDA9855 */ |
| /* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19) |
| * in .5dB steps - 0 is 0x0E */ |
| |
| |
| /* 0x03 - TR in TDA9855 */ |
| /* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb) |
| * in 3dB steps - 0 is 0x7 */ |
| |
| /* Masks for bits in both chips' subaddresses */ |
| /* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */ |
| /* Unique to TDA9855: */ |
| /* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf) |
| * in 3dB steps - mute is 0x0 */ |
| |
| /* Unique to TDA9850: */ |
| /* lower 4 bits control stereo noise threshold, over which stereo turns off |
| * set to values of 0x00 through 0x0f for Ster1 through Ster16 */ |
| |
| |
| /* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/ |
| /* Unique to TDA9855: */ |
| #define TDA9855_MUTE 1<<7 /* GMU, Mute at outputs */ |
| #define TDA9855_AVL 1<<6 /* AVL, Automatic Volume Level */ |
| #define TDA9855_LOUD 1<<5 /* Loudness, 1==off */ |
| #define TDA9855_SUR 1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */ |
| /* Bits 0 to 3 select various combinations |
| * of line in and line out, only the |
| * interesting ones are defined */ |
| #define TDA9855_EXT 1<<2 /* Selects inputs LIR and LIL. Pins 41 & 12 */ |
| #define TDA9855_INT 0 /* Selects inputs LOR and LOL. (internal) */ |
| |
| /* Unique to TDA9850: */ |
| /* lower 4 bits contol SAP noise threshold, over which SAP turns off |
| * set to values of 0x00 through 0x0f for SAP1 through SAP16 */ |
| |
| |
| /* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */ |
| /* Common to TDA9855 and TDA9850: */ |
| #define TDA985x_SAP 3<<6 /* Selects SAP output, mute if not received */ |
| #define TDA985x_MONOSAP 2<<6 /* Selects Mono on left, SAP on right */ |
| #define TDA985x_STEREO 1<<6 /* Selects Stereo ouput, mono if not received */ |
| #define TDA985x_MONO 0 /* Forces Mono output */ |
| #define TDA985x_LMU 1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */ |
| |
| /* Unique to TDA9855: */ |
| #define TDA9855_TZCM 1<<5 /* If set, don't mute till zero crossing */ |
| #define TDA9855_VZCM 1<<4 /* If set, don't change volume till zero crossing*/ |
| #define TDA9855_LINEAR 0 /* Linear Stereo */ |
| #define TDA9855_PSEUDO 1 /* Pseudo Stereo */ |
| #define TDA9855_SPAT_30 2 /* Spatial Stereo, 30% anti-phase crosstalk */ |
| #define TDA9855_SPAT_50 3 /* Spatial Stereo, 52% anti-phase crosstalk */ |
| #define TDA9855_E_MONO 7 /* Forced mono - mono select elseware, so useless*/ |
| |
| /* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */ |
| /* Common to both TDA9855 and TDA9850: */ |
| /* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF) |
| * in .5dB steps - 0dB is 0x7 */ |
| |
| /* 0x08, 0x09 - A1 and A2 (read/write) */ |
| /* Common to both TDA9855 and TDA9850: */ |
| /* lower 5 bites are wideband and spectral expander alignment |
| * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */ |
| #define TDA985x_STP 1<<5 /* Stereo Pilot/detect (read-only) */ |
| #define TDA985x_SAPP 1<<6 /* SAP Pilot/detect (read-only) */ |
| #define TDA985x_STS 1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/ |
| |
| /* 0x0a - A3 */ |
| /* Common to both TDA9855 and TDA9850: */ |
| /* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1), |
| * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */ |
| #define TDA985x_ADJ 1<<7 /* Stereo adjust on/off (wideband and spectral */ |
| |
| static int tda9855_volume(int val) { return val/0x2e8+0x27; } |
| static int tda9855_bass(int val) { return val/0xccc+0x06; } |
| static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; } |
| |
| static int tda985x_getrxsubchans(struct CHIPSTATE *chip) |
| { |
| int mode, val; |
| |
| /* Add mono mode regardless of SAP and stereo */ |
| /* Allows forced mono */ |
| mode = V4L2_TUNER_SUB_MONO; |
| val = chip_read(chip); |
| if (val & TDA985x_STP) |
| mode = V4L2_TUNER_SUB_STEREO; |
| if (val & TDA985x_SAPP) |
| mode |= V4L2_TUNER_SUB_SAP; |
| return mode; |
| } |
| |
| static void tda985x_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| int update = 1; |
| int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f; |
| |
| switch (mode) { |
| case V4L2_TUNER_MODE_MONO: |
| c6 |= TDA985x_MONO; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1: |
| c6 |= TDA985x_STEREO; |
| break; |
| case V4L2_TUNER_MODE_SAP: |
| c6 |= TDA985x_SAP; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| c6 |= TDA985x_MONOSAP; |
| break; |
| default: |
| update = 0; |
| } |
| if (update) |
| chip_write(chip,TDA985x_C6,c6); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for tda9873h */ |
| |
| /* Subaddresses for TDA9873H */ |
| |
| #define TDA9873_SW 0x00 /* Switching */ |
| #define TDA9873_AD 0x01 /* Adjust */ |
| #define TDA9873_PT 0x02 /* Port */ |
| |
| /* Subaddress 0x00: Switching Data |
| * B7..B0: |
| * |
| * B1, B0: Input source selection |
| * 0, 0 internal |
| * 1, 0 external stereo |
| * 0, 1 external mono |
| */ |
| #define TDA9873_INP_MASK 3 |
| #define TDA9873_INTERNAL 0 |
| #define TDA9873_EXT_STEREO 2 |
| #define TDA9873_EXT_MONO 1 |
| |
| /* B3, B2: output signal select |
| * B4 : transmission mode |
| * 0, 0, 1 Mono |
| * 1, 0, 0 Stereo |
| * 1, 1, 1 Stereo (reversed channel) |
| * 0, 0, 0 Dual AB |
| * 0, 0, 1 Dual AA |
| * 0, 1, 0 Dual BB |
| * 0, 1, 1 Dual BA |
| */ |
| |
| #define TDA9873_TR_MASK (7 << 2) |
| #define TDA9873_TR_MONO 4 |
| #define TDA9873_TR_STEREO 1 << 4 |
| #define TDA9873_TR_REVERSE ((1 << 3) | (1 << 2)) |
| #define TDA9873_TR_DUALA 1 << 2 |
| #define TDA9873_TR_DUALB 1 << 3 |
| #define TDA9873_TR_DUALAB 0 |
| |
| /* output level controls |
| * B5: output level switch (0 = reduced gain, 1 = normal gain) |
| * B6: mute (1 = muted) |
| * B7: auto-mute (1 = auto-mute enabled) |
| */ |
| |
| #define TDA9873_GAIN_NORMAL 1 << 5 |
| #define TDA9873_MUTE 1 << 6 |
| #define TDA9873_AUTOMUTE 1 << 7 |
| |
| /* Subaddress 0x01: Adjust/standard */ |
| |
| /* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB) |
| * Recommended value is +0 dB |
| */ |
| |
| #define TDA9873_STEREO_ADJ 0x06 /* 0dB gain */ |
| |
| /* Bits C6..C4 control FM stantard |
| * C6, C5, C4 |
| * 0, 0, 0 B/G (PAL FM) |
| * 0, 0, 1 M |
| * 0, 1, 0 D/K(1) |
| * 0, 1, 1 D/K(2) |
| * 1, 0, 0 D/K(3) |
| * 1, 0, 1 I |
| */ |
| #define TDA9873_BG 0 |
| #define TDA9873_M 1 |
| #define TDA9873_DK1 2 |
| #define TDA9873_DK2 3 |
| #define TDA9873_DK3 4 |
| #define TDA9873_I 5 |
| |
| /* C7 controls identification response time (1=fast/0=normal) |
| */ |
| #define TDA9873_IDR_NORM 0 |
| #define TDA9873_IDR_FAST 1 << 7 |
| |
| |
| /* Subaddress 0x02: Port data */ |
| |
| /* E1, E0 free programmable ports P1/P2 |
| 0, 0 both ports low |
| 0, 1 P1 high |
| 1, 0 P2 high |
| 1, 1 both ports high |
| */ |
| |
| #define TDA9873_PORTS 3 |
| |
| /* E2: test port */ |
| #define TDA9873_TST_PORT 1 << 2 |
| |
| /* E5..E3 control mono output channel (together with transmission mode bit B4) |
| * |
| * E5 E4 E3 B4 OUTM |
| * 0 0 0 0 mono |
| * 0 0 1 0 DUAL B |
| * 0 1 0 1 mono (from stereo decoder) |
| */ |
| #define TDA9873_MOUT_MONO 0 |
| #define TDA9873_MOUT_FMONO 0 |
| #define TDA9873_MOUT_DUALA 0 |
| #define TDA9873_MOUT_DUALB 1 << 3 |
| #define TDA9873_MOUT_ST 1 << 4 |
| #define TDA9873_MOUT_EXTM ((1 << 4) | (1 << 3)) |
| #define TDA9873_MOUT_EXTL 1 << 5 |
| #define TDA9873_MOUT_EXTR ((1 << 5) | (1 << 3)) |
| #define TDA9873_MOUT_EXTLR ((1 << 5) | (1 << 4)) |
| #define TDA9873_MOUT_MUTE ((1 << 5) | (1 << 4) | (1 << 3)) |
| |
| /* Status bits: (chip read) */ |
| #define TDA9873_PONR 0 /* Power-on reset detected if = 1 */ |
| #define TDA9873_STEREO 2 /* Stereo sound is identified */ |
| #define TDA9873_DUAL 4 /* Dual sound is identified */ |
| |
| static int tda9873_getrxsubchans(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int val,mode; |
| |
| val = chip_read(chip); |
| mode = V4L2_TUNER_SUB_MONO; |
| if (val & TDA9873_STEREO) |
| mode = V4L2_TUNER_SUB_STEREO; |
| if (val & TDA9873_DUAL) |
| mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| v4l2_dbg(1, debug, sd, |
| "tda9873_getrxsubchans(): raw chip read: %d, return: %d\n", |
| val, mode); |
| return mode; |
| } |
| |
| static void tda9873_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int sw_data = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK; |
| /* int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */ |
| |
| if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) { |
| v4l2_dbg(1, debug, sd, |
| "tda9873_setaudmode(): external input\n"); |
| return; |
| } |
| |
| v4l2_dbg(1, debug, sd, |
| "tda9873_setaudmode(): chip->shadow.bytes[%d] = %d\n", |
| TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]); |
| v4l2_dbg(1, debug, sd, "tda9873_setaudmode(): sw_data = %d\n", |
| sw_data); |
| |
| switch (mode) { |
| case V4L2_TUNER_MODE_MONO: |
| sw_data |= TDA9873_TR_MONO; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| sw_data |= TDA9873_TR_STEREO; |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| sw_data |= TDA9873_TR_DUALA; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| sw_data |= TDA9873_TR_DUALB; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| sw_data |= TDA9873_TR_DUALAB; |
| break; |
| default: |
| return; |
| } |
| |
| chip_write(chip, TDA9873_SW, sw_data); |
| v4l2_dbg(1, debug, sd, |
| "tda9873_setaudmode(): req. mode %d; chip_write: %d\n", |
| mode, sw_data); |
| } |
| |
| static int tda9873_checkit(struct CHIPSTATE *chip) |
| { |
| int rc; |
| |
| if (-1 == (rc = chip_read2(chip,254))) |
| return 0; |
| return (rc & ~0x1f) == 0x80; |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip description - defines+functions for tda9874h and tda9874a */ |
| /* Dariusz Kowalewski <darekk@automex.pl> */ |
| |
| /* Subaddresses for TDA9874H and TDA9874A (slave rx) */ |
| #define TDA9874A_AGCGR 0x00 /* AGC gain */ |
| #define TDA9874A_GCONR 0x01 /* general config */ |
| #define TDA9874A_MSR 0x02 /* monitor select */ |
| #define TDA9874A_C1FRA 0x03 /* carrier 1 freq. */ |
| #define TDA9874A_C1FRB 0x04 /* carrier 1 freq. */ |
| #define TDA9874A_C1FRC 0x05 /* carrier 1 freq. */ |
| #define TDA9874A_C2FRA 0x06 /* carrier 2 freq. */ |
| #define TDA9874A_C2FRB 0x07 /* carrier 2 freq. */ |
| #define TDA9874A_C2FRC 0x08 /* carrier 2 freq. */ |
| #define TDA9874A_DCR 0x09 /* demodulator config */ |
| #define TDA9874A_FMER 0x0a /* FM de-emphasis */ |
| #define TDA9874A_FMMR 0x0b /* FM dematrix */ |
| #define TDA9874A_C1OLAR 0x0c /* ch.1 output level adj. */ |
| #define TDA9874A_C2OLAR 0x0d /* ch.2 output level adj. */ |
| #define TDA9874A_NCONR 0x0e /* NICAM config */ |
| #define TDA9874A_NOLAR 0x0f /* NICAM output level adj. */ |
| #define TDA9874A_NLELR 0x10 /* NICAM lower error limit */ |
| #define TDA9874A_NUELR 0x11 /* NICAM upper error limit */ |
| #define TDA9874A_AMCONR 0x12 /* audio mute control */ |
| #define TDA9874A_SDACOSR 0x13 /* stereo DAC output select */ |
| #define TDA9874A_AOSR 0x14 /* analog output select */ |
| #define TDA9874A_DAICONR 0x15 /* digital audio interface config */ |
| #define TDA9874A_I2SOSR 0x16 /* I2S-bus output select */ |
| #define TDA9874A_I2SOLAR 0x17 /* I2S-bus output level adj. */ |
| #define TDA9874A_MDACOSR 0x18 /* mono DAC output select (tda9874a) */ |
| #define TDA9874A_ESP 0xFF /* easy standard progr. (tda9874a) */ |
| |
| /* Subaddresses for TDA9874H and TDA9874A (slave tx) */ |
| #define TDA9874A_DSR 0x00 /* device status */ |
| #define TDA9874A_NSR 0x01 /* NICAM status */ |
| #define TDA9874A_NECR 0x02 /* NICAM error count */ |
| #define TDA9874A_DR1 0x03 /* add. data LSB */ |
| #define TDA9874A_DR2 0x04 /* add. data MSB */ |
| #define TDA9874A_LLRA 0x05 /* monitor level read-out LSB */ |
| #define TDA9874A_LLRB 0x06 /* monitor level read-out MSB */ |
| #define TDA9874A_SIFLR 0x07 /* SIF level */ |
| #define TDA9874A_TR2 252 /* test reg. 2 */ |
| #define TDA9874A_TR1 253 /* test reg. 1 */ |
| #define TDA9874A_DIC 254 /* device id. code */ |
| #define TDA9874A_SIC 255 /* software id. code */ |
| |
| |
| static int tda9874a_mode = 1; /* 0: A2, 1: NICAM */ |
| static int tda9874a_GCONR = 0xc0; /* default config. input pin: SIFSEL=0 */ |
| static int tda9874a_NCONR = 0x01; /* default NICAM config.: AMSEL=0,AMUTE=1 */ |
| static int tda9874a_ESP = 0x07; /* default standard: NICAM D/K */ |
| static int tda9874a_dic = -1; /* device id. code */ |
| |
| /* insmod options for tda9874a */ |
| static unsigned int tda9874a_SIF = UNSET; |
| static unsigned int tda9874a_AMSEL = UNSET; |
| static unsigned int tda9874a_STD = UNSET; |
| module_param(tda9874a_SIF, int, 0444); |
| module_param(tda9874a_AMSEL, int, 0444); |
| module_param(tda9874a_STD, int, 0444); |
| |
| /* |
| * initialization table for tda9874 decoder: |
| * - carrier 1 freq. registers (3 bytes) |
| * - carrier 2 freq. registers (3 bytes) |
| * - demudulator config register |
| * - FM de-emphasis register (slow identification mode) |
| * Note: frequency registers must be written in single i2c transfer. |
| */ |
| static struct tda9874a_MODES { |
| char *name; |
| audiocmd cmd; |
| } tda9874a_modelist[9] = { |
| { "A2, B/G", /* default */ |
| { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} }, |
| { "A2, M (Korea)", |
| { 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} }, |
| { "A2, D/K (1)", |
| { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} }, |
| { "A2, D/K (2)", |
| { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} }, |
| { "A2, D/K (3)", |
| { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} }, |
| { "NICAM, I", |
| { 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} }, |
| { "NICAM, B/G", |
| { 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} }, |
| { "NICAM, D/K", |
| { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} }, |
| { "NICAM, L", |
| { 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} } |
| }; |
| |
| static int tda9874a_setup(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| |
| chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */ |
| chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR); |
| chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02); |
| if(tda9874a_dic == 0x11) { |
| chip_write(chip, TDA9874A_FMMR, 0x80); |
| } else { /* dic == 0x07 */ |
| chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd); |
| chip_write(chip, TDA9874A_FMMR, 0x00); |
| } |
| chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */ |
| chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */ |
| chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); |
| chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */ |
| /* Note: If signal quality is poor you may want to change NICAM */ |
| /* error limit registers (NLELR and NUELR) to some greater values. */ |
| /* Then the sound would remain stereo, but won't be so clear. */ |
| chip_write(chip, TDA9874A_NLELR, 0x14); /* default */ |
| chip_write(chip, TDA9874A_NUELR, 0x50); /* default */ |
| |
| if(tda9874a_dic == 0x11) { |
| chip_write(chip, TDA9874A_AMCONR, 0xf9); |
| chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); |
| chip_write(chip, TDA9874A_AOSR, 0x80); |
| chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80); |
| chip_write(chip, TDA9874A_ESP, tda9874a_ESP); |
| } else { /* dic == 0x07 */ |
| chip_write(chip, TDA9874A_AMCONR, 0xfb); |
| chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80); |
| chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */ |
| } |
| v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n", |
| tda9874a_modelist[tda9874a_STD].name,tda9874a_STD); |
| return 1; |
| } |
| |
| static int tda9874a_getrxsubchans(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int dsr,nsr,mode; |
| int necr; /* just for debugging */ |
| |
| mode = V4L2_TUNER_SUB_MONO; |
| |
| if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR))) |
| return mode; |
| if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR))) |
| return mode; |
| if(-1 == (necr = chip_read2(chip,TDA9874A_NECR))) |
| return mode; |
| |
| /* need to store dsr/nsr somewhere */ |
| chip->shadow.bytes[MAXREGS-2] = dsr; |
| chip->shadow.bytes[MAXREGS-1] = nsr; |
| |
| if(tda9874a_mode) { |
| /* Note: DSR.RSSF and DSR.AMSTAT bits are also checked. |
| * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates |
| * that sound has (temporarily) switched from NICAM to |
| * mono FM (or AM) on 1st sound carrier due to high NICAM bit |
| * error count. So in fact there is no stereo in this case :-( |
| * But changing the mode to V4L2_TUNER_MODE_MONO would switch |
| * external 4052 multiplexer in audio_hook(). |
| */ |
| if(nsr & 0x02) /* NSR.S/MB=1 */ |
| mode = V4L2_TUNER_SUB_STEREO; |
| if(nsr & 0x01) /* NSR.D/SB=1 */ |
| mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| } else { |
| if(dsr & 0x02) /* DSR.IDSTE=1 */ |
| mode = V4L2_TUNER_SUB_STEREO; |
| if(dsr & 0x04) /* DSR.IDDUA=1 */ |
| mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| } |
| |
| v4l2_dbg(1, debug, sd, |
| "tda9874a_getrxsubchans(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n", |
| dsr, nsr, necr, mode); |
| return mode; |
| } |
| |
| static void tda9874a_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| |
| /* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */ |
| /* If auto-muting is disabled, we can hear a signal of degrading quality. */ |
| if (tda9874a_mode) { |
| if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */ |
| tda9874a_NCONR &= 0xfe; /* enable */ |
| else |
| tda9874a_NCONR |= 0x01; /* disable */ |
| chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR); |
| } |
| |
| /* Note: TDA9874A supports automatic FM dematrixing (FMMR register) |
| * and has auto-select function for audio output (AOSR register). |
| * Old TDA9874H doesn't support these features. |
| * TDA9874A also has additional mono output pin (OUTM), which |
| * on same (all?) tv-cards is not used, anyway (as well as MONOIN). |
| */ |
| if(tda9874a_dic == 0x11) { |
| int aosr = 0x80; |
| int mdacosr = (tda9874a_mode) ? 0x82:0x80; |
| |
| switch(mode) { |
| case V4L2_TUNER_MODE_MONO: |
| case V4L2_TUNER_MODE_STEREO: |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| aosr = 0x80; /* auto-select, dual A/A */ |
| mdacosr = (tda9874a_mode) ? 0x82:0x80; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| aosr = 0xa0; /* auto-select, dual B/B */ |
| mdacosr = (tda9874a_mode) ? 0x83:0x81; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| aosr = 0x00; /* always route L to L and R to R */ |
| mdacosr = (tda9874a_mode) ? 0x82:0x80; |
| break; |
| default: |
| return; |
| } |
| chip_write(chip, TDA9874A_AOSR, aosr); |
| chip_write(chip, TDA9874A_MDACOSR, mdacosr); |
| |
| v4l2_dbg(1, debug, sd, |
| "tda9874a_setaudmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n", |
| mode, aosr, mdacosr); |
| |
| } else { /* dic == 0x07 */ |
| int fmmr,aosr; |
| |
| switch(mode) { |
| case V4L2_TUNER_MODE_MONO: |
| fmmr = 0x00; /* mono */ |
| aosr = 0x10; /* A/A */ |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| if(tda9874a_mode) { |
| fmmr = 0x00; |
| aosr = 0x00; /* handled by NICAM auto-mute */ |
| } else { |
| fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */ |
| aosr = 0x00; |
| } |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| fmmr = 0x02; /* dual */ |
| aosr = 0x10; /* dual A/A */ |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| fmmr = 0x02; /* dual */ |
| aosr = 0x20; /* dual B/B */ |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| fmmr = 0x02; /* dual */ |
| aosr = 0x00; /* dual A/B */ |
| break; |
| default: |
| return; |
| } |
| chip_write(chip, TDA9874A_FMMR, fmmr); |
| chip_write(chip, TDA9874A_AOSR, aosr); |
| |
| v4l2_dbg(1, debug, sd, |
| "tda9874a_setaudmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n", |
| mode, fmmr, aosr); |
| } |
| } |
| |
| static int tda9874a_checkit(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int dic,sic; /* device id. and software id. codes */ |
| |
| if(-1 == (dic = chip_read2(chip,TDA9874A_DIC))) |
| return 0; |
| if(-1 == (sic = chip_read2(chip,TDA9874A_SIC))) |
| return 0; |
| |
| v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic); |
| |
| if((dic == 0x11)||(dic == 0x07)) { |
| v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h"); |
| tda9874a_dic = dic; /* remember device id. */ |
| return 1; |
| } |
| return 0; /* not found */ |
| } |
| |
| static int tda9874a_initialize(struct CHIPSTATE *chip) |
| { |
| if (tda9874a_SIF > 2) |
| tda9874a_SIF = 1; |
| if (tda9874a_STD >= ARRAY_SIZE(tda9874a_modelist)) |
| tda9874a_STD = 0; |
| if(tda9874a_AMSEL > 1) |
| tda9874a_AMSEL = 0; |
| |
| if(tda9874a_SIF == 1) |
| tda9874a_GCONR = 0xc0; /* sound IF input 1 */ |
| else |
| tda9874a_GCONR = 0xc1; /* sound IF input 2 */ |
| |
| tda9874a_ESP = tda9874a_STD; |
| tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1; |
| |
| if(tda9874a_AMSEL == 0) |
| tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */ |
| else |
| tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */ |
| |
| tda9874a_setup(chip); |
| return 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip description - defines+functions for tda9875 */ |
| /* The TDA9875 is made by Philips Semiconductor |
| * http://www.semiconductors.philips.com |
| * TDA9875: I2C-bus controlled DSP audio processor, FM demodulator |
| * |
| */ |
| |
| /* subaddresses for TDA9875 */ |
| #define TDA9875_MUT 0x12 /*General mute (value --> 0b11001100*/ |
| #define TDA9875_CFG 0x01 /* Config register (value --> 0b00000000 */ |
| #define TDA9875_DACOS 0x13 /*DAC i/o select (ADC) 0b0000100*/ |
| #define TDA9875_LOSR 0x16 /*Line output select regirter 0b0100 0001*/ |
| |
| #define TDA9875_CH1V 0x0c /*Channel 1 volume (mute)*/ |
| #define TDA9875_CH2V 0x0d /*Channel 2 volume (mute)*/ |
| #define TDA9875_SC1 0x14 /*SCART 1 in (mono)*/ |
| #define TDA9875_SC2 0x15 /*SCART 2 in (mono)*/ |
| |
| #define TDA9875_ADCIS 0x17 /*ADC input select (mono) 0b0110 000*/ |
| #define TDA9875_AER 0x19 /*Audio effect (AVL+Pseudo) 0b0000 0110*/ |
| #define TDA9875_MCS 0x18 /*Main channel select (DAC) 0b0000100*/ |
| #define TDA9875_MVL 0x1a /* Main volume gauche */ |
| #define TDA9875_MVR 0x1b /* Main volume droite */ |
| #define TDA9875_MBA 0x1d /* Main Basse */ |
| #define TDA9875_MTR 0x1e /* Main treble */ |
| #define TDA9875_ACS 0x1f /* Auxiliary channel select (FM) 0b0000000*/ |
| #define TDA9875_AVL 0x20 /* Auxiliary volume gauche */ |
| #define TDA9875_AVR 0x21 /* Auxiliary volume droite */ |
| #define TDA9875_ABA 0x22 /* Auxiliary Basse */ |
| #define TDA9875_ATR 0x23 /* Auxiliary treble */ |
| |
| #define TDA9875_MSR 0x02 /* Monitor select register */ |
| #define TDA9875_C1MSB 0x03 /* Carrier 1 (FM) frequency register MSB */ |
| #define TDA9875_C1MIB 0x04 /* Carrier 1 (FM) frequency register (16-8]b */ |
| #define TDA9875_C1LSB 0x05 /* Carrier 1 (FM) frequency register LSB */ |
| #define TDA9875_C2MSB 0x06 /* Carrier 2 (nicam) frequency register MSB */ |
| #define TDA9875_C2MIB 0x07 /* Carrier 2 (nicam) frequency register (16-8]b */ |
| #define TDA9875_C2LSB 0x08 /* Carrier 2 (nicam) frequency register LSB */ |
| #define TDA9875_DCR 0x09 /* Demodulateur configuration regirter*/ |
| #define TDA9875_DEEM 0x0a /* FM de-emphasis regirter*/ |
| #define TDA9875_FMAT 0x0b /* FM Matrix regirter*/ |
| |
| /* values */ |
| #define TDA9875_MUTE_ON 0xff /* general mute */ |
| #define TDA9875_MUTE_OFF 0xcc /* general no mute */ |
| |
| static int tda9875_initialize(struct CHIPSTATE *chip) |
| { |
| chip_write(chip, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/ |
| chip_write(chip, TDA9875_MSR, 0x03); /* Monitor 0b00000XXX*/ |
| chip_write(chip, TDA9875_C1MSB, 0x00); /*Car1(FM) MSB XMHz*/ |
| chip_write(chip, TDA9875_C1MIB, 0x00); /*Car1(FM) MIB XMHz*/ |
| chip_write(chip, TDA9875_C1LSB, 0x00); /*Car1(FM) LSB XMHz*/ |
| chip_write(chip, TDA9875_C2MSB, 0x00); /*Car2(NICAM) MSB XMHz*/ |
| chip_write(chip, TDA9875_C2MIB, 0x00); /*Car2(NICAM) MIB XMHz*/ |
| chip_write(chip, TDA9875_C2LSB, 0x00); /*Car2(NICAM) LSB XMHz*/ |
| chip_write(chip, TDA9875_DCR, 0x00); /*Demod config 0x00*/ |
| chip_write(chip, TDA9875_DEEM, 0x44); /*DE-Emph 0b0100 0100*/ |
| chip_write(chip, TDA9875_FMAT, 0x00); /*FM Matrix reg 0x00*/ |
| chip_write(chip, TDA9875_SC1, 0x00); /* SCART 1 (SC1)*/ |
| chip_write(chip, TDA9875_SC2, 0x01); /* SCART 2 (sc2)*/ |
| |
| chip_write(chip, TDA9875_CH1V, 0x10); /* Channel volume 1 mute*/ |
| chip_write(chip, TDA9875_CH2V, 0x10); /* Channel volume 2 mute */ |
| chip_write(chip, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/ |
| chip_write(chip, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/ |
| chip_write(chip, TDA9875_LOSR, 0x00); /* line out (in:mono)*/ |
| chip_write(chip, TDA9875_AER, 0x00); /*06 Effect (AVL+PSEUDO) */ |
| chip_write(chip, TDA9875_MCS, 0x44); /* Main ch select (DAC) */ |
| chip_write(chip, TDA9875_MVL, 0x03); /* Vol Main left 10dB */ |
| chip_write(chip, TDA9875_MVR, 0x03); /* Vol Main right 10dB*/ |
| chip_write(chip, TDA9875_MBA, 0x00); /* Main Bass Main 0dB*/ |
| chip_write(chip, TDA9875_MTR, 0x00); /* Main Treble Main 0dB*/ |
| chip_write(chip, TDA9875_ACS, 0x44); /* Aux chan select (dac)*/ |
| chip_write(chip, TDA9875_AVL, 0x00); /* Vol Aux left 0dB*/ |
| chip_write(chip, TDA9875_AVR, 0x00); /* Vol Aux right 0dB*/ |
| chip_write(chip, TDA9875_ABA, 0x00); /* Aux Bass Main 0dB*/ |
| chip_write(chip, TDA9875_ATR, 0x00); /* Aux Aigus Main 0dB*/ |
| |
| chip_write(chip, TDA9875_MUT, 0xcc); /* General mute */ |
| return 0; |
| } |
| |
| static int tda9875_volume(int val) { return (unsigned char)(val / 602 - 84); } |
| static int tda9875_bass(int val) { return (unsigned char)(max(-12, val / 2115 - 15)); } |
| static int tda9875_treble(int val) { return (unsigned char)(val / 2622 - 12); } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| |
| /* *********************** * |
| * i2c interface functions * |
| * *********************** */ |
| |
| static int tda9875_checkit(struct CHIPSTATE *chip) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int dic, rev; |
| |
| dic = chip_read2(chip, 254); |
| rev = chip_read2(chip, 255); |
| |
| if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */ |
| v4l2_info(sd, "found tda9875%s rev. %d.\n", |
| dic == 0 ? "" : "A", rev); |
| return 1; |
| } |
| return 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for tea6420 */ |
| |
| #define TEA6300_VL 0x00 /* volume left */ |
| #define TEA6300_VR 0x01 /* volume right */ |
| #define TEA6300_BA 0x02 /* bass */ |
| #define TEA6300_TR 0x03 /* treble */ |
| #define TEA6300_FA 0x04 /* fader control */ |
| #define TEA6300_S 0x05 /* switch register */ |
| /* values for those registers: */ |
| #define TEA6300_S_SA 0x01 /* stereo A input */ |
| #define TEA6300_S_SB 0x02 /* stereo B */ |
| #define TEA6300_S_SC 0x04 /* stereo C */ |
| #define TEA6300_S_GMU 0x80 /* general mute */ |
| |
| #define TEA6320_V 0x00 /* volume (0-5)/loudness off (6)/zero crossing mute(7) */ |
| #define TEA6320_FFR 0x01 /* fader front right (0-5) */ |
| #define TEA6320_FFL 0x02 /* fader front left (0-5) */ |
| #define TEA6320_FRR 0x03 /* fader rear right (0-5) */ |
| #define TEA6320_FRL 0x04 /* fader rear left (0-5) */ |
| #define TEA6320_BA 0x05 /* bass (0-4) */ |
| #define TEA6320_TR 0x06 /* treble (0-4) */ |
| #define TEA6320_S 0x07 /* switch register */ |
| /* values for those registers: */ |
| #define TEA6320_S_SA 0x07 /* stereo A input */ |
| #define TEA6320_S_SB 0x06 /* stereo B */ |
| #define TEA6320_S_SC 0x05 /* stereo C */ |
| #define TEA6320_S_SD 0x04 /* stereo D */ |
| #define TEA6320_S_GMU 0x80 /* general mute */ |
| |
| #define TEA6420_S_SA 0x00 /* stereo A input */ |
| #define TEA6420_S_SB 0x01 /* stereo B */ |
| #define TEA6420_S_SC 0x02 /* stereo C */ |
| #define TEA6420_S_SD 0x03 /* stereo D */ |
| #define TEA6420_S_SE 0x04 /* stereo E */ |
| #define TEA6420_S_GMU 0x05 /* general mute */ |
| |
| static int tea6300_shift10(int val) { return val >> 10; } |
| static int tea6300_shift12(int val) { return val >> 12; } |
| |
| /* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */ |
| /* 0x0c mirror those immediately higher) */ |
| static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; } |
| static int tea6320_shift11(int val) { return val >> 11; } |
| static int tea6320_initialize(struct CHIPSTATE * chip) |
| { |
| chip_write(chip, TEA6320_FFR, 0x3f); |
| chip_write(chip, TEA6320_FFL, 0x3f); |
| chip_write(chip, TEA6320_FRR, 0x3f); |
| chip_write(chip, TEA6320_FRL, 0x3f); |
| |
| return 0; |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for tda8425 */ |
| |
| #define TDA8425_VL 0x00 /* volume left */ |
| #define TDA8425_VR 0x01 /* volume right */ |
| #define TDA8425_BA 0x02 /* bass */ |
| #define TDA8425_TR 0x03 /* treble */ |
| #define TDA8425_S1 0x08 /* switch functions */ |
| /* values for those registers: */ |
| #define TDA8425_S1_OFF 0xEE /* audio off (mute on) */ |
| #define TDA8425_S1_CH1 0xCE /* audio channel 1 (mute off) - "linear stereo" mode */ |
| #define TDA8425_S1_CH2 0xCF /* audio channel 2 (mute off) - "linear stereo" mode */ |
| #define TDA8425_S1_MU 0x20 /* mute bit */ |
| #define TDA8425_S1_STEREO 0x18 /* stereo bits */ |
| #define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */ |
| #define TDA8425_S1_STEREO_LINEAR 0x08 /* linear stereo */ |
| #define TDA8425_S1_STEREO_PSEUDO 0x10 /* pseudo stereo */ |
| #define TDA8425_S1_STEREO_MONO 0x00 /* forced mono */ |
| #define TDA8425_S1_ML 0x06 /* language selector */ |
| #define TDA8425_S1_ML_SOUND_A 0x02 /* sound a */ |
| #define TDA8425_S1_ML_SOUND_B 0x04 /* sound b */ |
| #define TDA8425_S1_ML_STEREO 0x06 /* stereo */ |
| #define TDA8425_S1_IS 0x01 /* channel selector */ |
| |
| |
| static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; } |
| static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; } |
| |
| static void tda8425_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1; |
| |
| switch (mode) { |
| case V4L2_TUNER_MODE_LANG1: |
| s1 |= TDA8425_S1_ML_SOUND_A; |
| s1 |= TDA8425_S1_STEREO_PSEUDO; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| s1 |= TDA8425_S1_ML_SOUND_B; |
| s1 |= TDA8425_S1_STEREO_PSEUDO; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| s1 |= TDA8425_S1_ML_STEREO; |
| s1 |= TDA8425_S1_STEREO_LINEAR; |
| break; |
| case V4L2_TUNER_MODE_MONO: |
| s1 |= TDA8425_S1_ML_STEREO; |
| s1 |= TDA8425_S1_STEREO_MONO; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| s1 |= TDA8425_S1_ML_STEREO; |
| s1 |= TDA8425_S1_STEREO_SPATIAL; |
| break; |
| default: |
| return; |
| } |
| chip_write(chip,TDA8425_S1,s1); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for pic16c54 (PV951) */ |
| |
| /* the registers of 16C54, I2C sub address. */ |
| #define PIC16C54_REG_KEY_CODE 0x01 /* Not use. */ |
| #define PIC16C54_REG_MISC 0x02 |
| |
| /* bit definition of the RESET register, I2C data. */ |
| #define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */ |
| /* code of remote controller */ |
| #define PIC16C54_MISC_MTS_MAIN 0x02 /* bit 1 */ |
| #define PIC16C54_MISC_MTS_SAP 0x04 /* bit 2 */ |
| #define PIC16C54_MISC_MTS_BOTH 0x08 /* bit 3 */ |
| #define PIC16C54_MISC_SND_MUTE 0x10 /* bit 4, Mute Audio(Line-in and Tuner) */ |
| #define PIC16C54_MISC_SND_NOTMUTE 0x20 /* bit 5 */ |
| #define PIC16C54_MISC_SWITCH_TUNER 0x40 /* bit 6 , Switch to Line-in */ |
| #define PIC16C54_MISC_SWITCH_LINE 0x80 /* bit 7 , Switch to Tuner */ |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - defines+functions for TA8874Z */ |
| |
| /* write 1st byte */ |
| #define TA8874Z_LED_STE 0x80 |
| #define TA8874Z_LED_BIL 0x40 |
| #define TA8874Z_LED_EXT 0x20 |
| #define TA8874Z_MONO_SET 0x10 |
| #define TA8874Z_MUTE 0x08 |
| #define TA8874Z_F_MONO 0x04 |
| #define TA8874Z_MODE_SUB 0x02 |
| #define TA8874Z_MODE_MAIN 0x01 |
| |
| /* write 2nd byte */ |
| /*#define TA8874Z_TI 0x80 */ /* test mode */ |
| #define TA8874Z_SEPARATION 0x3f |
| #define TA8874Z_SEPARATION_DEFAULT 0x10 |
| |
| /* read */ |
| #define TA8874Z_B1 0x80 |
| #define TA8874Z_B0 0x40 |
| #define TA8874Z_CHAG_FLAG 0x20 |
| |
| /* |
| * B1 B0 |
| * mono L H |
| * stereo L L |
| * BIL H L |
| */ |
| static int ta8874z_getrxsubchans(struct CHIPSTATE *chip) |
| { |
| int val, mode; |
| |
| val = chip_read(chip); |
| mode = V4L2_TUNER_SUB_MONO; |
| if (val & TA8874Z_B1){ |
| mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
| }else if (!(val & TA8874Z_B0)){ |
| mode = V4L2_TUNER_SUB_STEREO; |
| } |
| /* v4l2_dbg(1, debug, &chip->sd, |
| "ta8874z_getrxsubchans(): raw chip read: 0x%02x, return: 0x%02x\n", |
| val, mode); */ |
| return mode; |
| } |
| |
| static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}}; |
| static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}; |
| static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}}; |
| static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}}; |
| static audiocmd ta8874z_both = {2, { TA8874Z_MODE_MAIN | TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}}; |
| |
| static void ta8874z_setaudmode(struct CHIPSTATE *chip, int mode) |
| { |
| struct v4l2_subdev *sd = &chip->sd; |
| int update = 1; |
| audiocmd *t = NULL; |
| |
| v4l2_dbg(1, debug, sd, "ta8874z_setaudmode(): mode: 0x%02x\n", mode); |
| |
| switch(mode){ |
| case V4L2_TUNER_MODE_MONO: |
| t = &ta8874z_mono; |
| break; |
| case V4L2_TUNER_MODE_STEREO: |
| t = &ta8874z_stereo; |
| break; |
| case V4L2_TUNER_MODE_LANG1: |
| t = &ta8874z_main; |
| break; |
| case V4L2_TUNER_MODE_LANG2: |
| t = &ta8874z_sub; |
| break; |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| t = &ta8874z_both; |
| break; |
| default: |
| update = 0; |
| } |
| |
| if(update) |
| chip_cmd(chip, "TA8874Z", t); |
| } |
| |
| static int ta8874z_checkit(struct CHIPSTATE *chip) |
| { |
| int rc; |
| rc = chip_read(chip); |
| return ((rc & 0x1f) == 0x1f) ? 1 : 0; |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* audio chip descriptions - struct CHIPDESC */ |
| |
| /* insmod options to enable/disable individual audio chips */ |
| static int tda8425 = 1; |
| static int tda9840 = 1; |
| static int tda9850 = 1; |
| static int tda9855 = 1; |
| static int tda9873 = 1; |
| static int tda9874a = 1; |
| static int tda9875 = 1; |
| static int tea6300; /* default 0 - address clash with msp34xx */ |
| static int tea6320; /* default 0 - address clash with msp34xx */ |
| static int tea6420 = 1; |
| static int pic16c54 = 1; |
| static int ta8874z; /* default 0 - address clash with tda9840 */ |
| |
| module_param(tda8425, int, 0444); |
| module_param(tda9840, int, 0444); |
| module_param(tda9850, int, 0444); |
| module_param(tda9855, int, 0444); |
| module_param(tda9873, int, 0444); |
| module_param(tda9874a, int, 0444); |
| module_param(tda9875, int, 0444); |
| module_param(tea6300, int, 0444); |
| module_param(tea6320, int, 0444); |
| module_param(tea6420, int, 0444); |
| module_param(pic16c54, int, 0444); |
| module_param(ta8874z, int, 0444); |
| |
| static struct CHIPDESC chiplist[] = { |
| { |
| .name = "tda9840", |
| .insmodopt = &tda9840, |
| .addr_lo = I2C_ADDR_TDA9840 >> 1, |
| .addr_hi = I2C_ADDR_TDA9840 >> 1, |
| .registers = 5, |
| .flags = CHIP_NEED_CHECKMODE, |
| |
| /* callbacks */ |
| .checkit = tda9840_checkit, |
| .getrxsubchans = tda9840_getrxsubchans, |
| .setaudmode = tda9840_setaudmode, |
| |
| .init = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN |
| /* ,TDA9840_SW, TDA9840_MONO */} } |
| }, |
| { |
| .name = "tda9873h", |
| .insmodopt = &tda9873, |
| .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
| .addr_hi = I2C_ADDR_TDA985x_H >> 1, |
| .registers = 3, |
| .flags = CHIP_HAS_INPUTSEL | CHIP_NEED_CHECKMODE, |
| |
| /* callbacks */ |
| .checkit = tda9873_checkit, |
| .getrxsubchans = tda9873_getrxsubchans, |
| .setaudmode = tda9873_setaudmode, |
| |
| .init = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } }, |
| .inputreg = TDA9873_SW, |
| .inputmute = TDA9873_MUTE | TDA9873_AUTOMUTE, |
| .inputmap = {0xa0, 0xa2, 0xa0, 0xa0}, |
| .inputmask = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE, |
| |
| }, |
| { |
| .name = "tda9874h/a", |
| .insmodopt = &tda9874a, |
| .addr_lo = I2C_ADDR_TDA9874 >> 1, |
| .addr_hi = I2C_ADDR_TDA9874 >> 1, |
| .flags = CHIP_NEED_CHECKMODE, |
| |
| /* callbacks */ |
| .initialize = tda9874a_initialize, |
| .checkit = tda9874a_checkit, |
| .getrxsubchans = tda9874a_getrxsubchans, |
| .setaudmode = tda9874a_setaudmode, |
| }, |
| { |
| .name = "tda9875", |
| .insmodopt = &tda9875, |
| .addr_lo = I2C_ADDR_TDA9875 >> 1, |
| .addr_hi = I2C_ADDR_TDA9875 >> 1, |
| .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, |
| |
| /* callbacks */ |
| .initialize = tda9875_initialize, |
| .checkit = tda9875_checkit, |
| .volfunc = tda9875_volume, |
| .bassfunc = tda9875_bass, |
| .treblefunc = tda9875_treble, |
| .leftreg = TDA9875_MVL, |
| .rightreg = TDA9875_MVR, |
| .bassreg = TDA9875_MBA, |
| .treblereg = TDA9875_MTR, |
| .leftinit = 58880, |
| .rightinit = 58880, |
| }, |
| { |
| .name = "tda9850", |
| .insmodopt = &tda9850, |
| .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
| .addr_hi = I2C_ADDR_TDA985x_H >> 1, |
| .registers = 11, |
| |
| .getrxsubchans = tda985x_getrxsubchans, |
| .setaudmode = tda985x_setaudmode, |
| |
| .init = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } } |
| }, |
| { |
| .name = "tda9855", |
| .insmodopt = &tda9855, |
| .addr_lo = I2C_ADDR_TDA985x_L >> 1, |
| .addr_hi = I2C_ADDR_TDA985x_H >> 1, |
| .registers = 11, |
| .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE, |
| |
| .leftreg = TDA9855_VL, |
| .rightreg = TDA9855_VR, |
| .bassreg = TDA9855_BA, |
| .treblereg = TDA9855_TR, |
| |
| /* callbacks */ |
| .volfunc = tda9855_volume, |
| .bassfunc = tda9855_bass, |
| .treblefunc = tda9855_treble, |
| .getrxsubchans = tda985x_getrxsubchans, |
| .setaudmode = tda985x_setaudmode, |
| |
| .init = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2, |
| TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT, |
| TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM, |
| 0x07, 0x10, 0x10, 0x03 }} |
| }, |
| { |
| .name = "tea6300", |
| .insmodopt = &tea6300, |
| .addr_lo = I2C_ADDR_TEA6300 >> 1, |
| .addr_hi = I2C_ADDR_TEA6300 >> 1, |
| .registers = 6, |
| .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, |
| |
| .leftreg = TEA6300_VR, |
| .rightreg = TEA6300_VL, |
| .bassreg = TEA6300_BA, |
| .treblereg = TEA6300_TR, |
| |
| /* callbacks */ |
| .volfunc = tea6300_shift10, |
| .bassfunc = tea6300_shift12, |
| .treblefunc = tea6300_shift12, |
| |
| .inputreg = TEA6300_S, |
| .inputmap = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC }, |
| .inputmute = TEA6300_S_GMU, |
| }, |
| { |
| .name = "tea6320", |
| .insmodopt = &tea6320, |
| .addr_lo = I2C_ADDR_TEA6300 >> 1, |
| .addr_hi = I2C_ADDR_TEA6300 >> 1, |
| .registers = 8, |
| .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, |
| |
| .leftreg = TEA6320_V, |
| .rightreg = TEA6320_V, |
| .bassreg = TEA6320_BA, |
| .treblereg = TEA6320_TR, |
| |
| /* callbacks */ |
| .initialize = tea6320_initialize, |
| .volfunc = tea6320_volume, |
| .bassfunc = tea6320_shift11, |
| .treblefunc = tea6320_shift11, |
| |
| .inputreg = TEA6320_S, |
| .inputmap = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD }, |
| .inputmute = TEA6300_S_GMU, |
| }, |
| { |
| .name = "tea6420", |
| .insmodopt = &tea6420, |
| .addr_lo = I2C_ADDR_TEA6420 >> 1, |
| .addr_hi = I2C_ADDR_TEA6420 >> 1, |
| .registers = 1, |
| .flags = CHIP_HAS_INPUTSEL, |
| |
| .inputreg = -1, |
| .inputmap = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC }, |
| .inputmute = TEA6300_S_GMU, |
| }, |
| { |
| .name = "tda8425", |
| .insmodopt = &tda8425, |
| .addr_lo = I2C_ADDR_TDA8425 >> 1, |
| .addr_hi = I2C_ADDR_TDA8425 >> 1, |
| .registers = 9, |
| .flags = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL, |
| |
| .leftreg = TDA8425_VL, |
| .rightreg = TDA8425_VR, |
| .bassreg = TDA8425_BA, |
| .treblereg = TDA8425_TR, |
| |
| /* callbacks */ |
| .volfunc = tda8425_shift10, |
| .bassfunc = tda8425_shift12, |
| .treblefunc = tda8425_shift12, |
| .setaudmode = tda8425_setaudmode, |
| |
| .inputreg = TDA8425_S1, |
| .inputmap = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 }, |
| .inputmute = TDA8425_S1_OFF, |
| |
| }, |
| { |
| .name = "pic16c54 (PV951)", |
| .insmodopt = &pic16c54, |
| .addr_lo = I2C_ADDR_PIC16C54 >> 1, |
| .addr_hi = I2C_ADDR_PIC16C54>> 1, |
| .registers = 2, |
| .flags = CHIP_HAS_INPUTSEL, |
| |
| .inputreg = PIC16C54_REG_MISC, |
| .inputmap = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER, |
| PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, |
| PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE, |
| PIC16C54_MISC_SND_MUTE}, |
| .inputmute = PIC16C54_MISC_SND_MUTE, |
| }, |
| { |
| .name = "ta8874z", |
| .checkit = ta8874z_checkit, |
| .insmodopt = &ta8874z, |
| .addr_lo = I2C_ADDR_TDA9840 >> 1, |
| .addr_hi = I2C_ADDR_TDA9840 >> 1, |
| .registers = 2, |
| |
| /* callbacks */ |
| .getrxsubchans = ta8874z_getrxsubchans, |
| .setaudmode = ta8874z_setaudmode, |
| |
| .init = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}}, |
| }, |
| { .name = NULL } /* EOF */ |
| }; |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static int tvaudio_g_ctrl(struct v4l2_subdev *sd, |
| struct v4l2_control *ctrl) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| if (!(desc->flags & CHIP_HAS_INPUTSEL)) |
| break; |
| ctrl->value=chip->muted; |
| return 0; |
| case V4L2_CID_AUDIO_VOLUME: |
| if (!(desc->flags & CHIP_HAS_VOLUME)) |
| break; |
| ctrl->value = max(chip->left,chip->right); |
| return 0; |
| case V4L2_CID_AUDIO_BALANCE: |
| { |
| int volume; |
| if (!(desc->flags & CHIP_HAS_VOLUME)) |
| break; |
| volume = max(chip->left,chip->right); |
| if (volume) |
| ctrl->value=(32768*min(chip->left,chip->right))/volume; |
| else |
| ctrl->value=32768; |
| return 0; |
| } |
| case V4L2_CID_AUDIO_BASS: |
| if (!(desc->flags & CHIP_HAS_BASSTREBLE)) |
| break; |
| ctrl->value = chip->bass; |
| return 0; |
| case V4L2_CID_AUDIO_TREBLE: |
| if (!(desc->flags & CHIP_HAS_BASSTREBLE)) |
| break; |
| ctrl->value = chip->treble; |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| static int tvaudio_s_ctrl(struct v4l2_subdev *sd, |
| struct v4l2_control *ctrl) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| if (!(desc->flags & CHIP_HAS_INPUTSEL)) |
| break; |
| |
| if (ctrl->value < 0 || ctrl->value >= 2) |
| return -ERANGE; |
| chip->muted = ctrl->value; |
| if (chip->muted) |
| chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask); |
| else |
| chip_write_masked(chip,desc->inputreg, |
| desc->inputmap[chip->input],desc->inputmask); |
| return 0; |
| case V4L2_CID_AUDIO_VOLUME: |
| { |
| int volume,balance; |
| |
| if (!(desc->flags & CHIP_HAS_VOLUME)) |
| break; |
| |
| volume = max(chip->left,chip->right); |
| if (volume) |
| balance=(32768*min(chip->left,chip->right))/volume; |
| else |
| balance=32768; |
| |
| volume=ctrl->value; |
| chip->left = (min(65536 - balance,32768) * volume) / 32768; |
| chip->right = (min(balance,volume *(__u16)32768)) / 32768; |
| |
| chip_write(chip,desc->leftreg,desc->volfunc(chip->left)); |
| chip_write(chip,desc->rightreg,desc->volfunc(chip->right)); |
| |
| return 0; |
| } |
| case V4L2_CID_AUDIO_BALANCE: |
| { |
| int volume, balance; |
| |
| if (!(desc->flags & CHIP_HAS_VOLUME)) |
| break; |
| |
| volume = max(chip->left, chip->right); |
| balance = ctrl->value; |
| chip->left = (min(65536 - balance, 32768) * volume) / 32768; |
| chip->right = (min(balance, volume * (__u16)32768)) / 32768; |
| |
| chip_write(chip, desc->leftreg, desc->volfunc(chip->left)); |
| chip_write(chip, desc->rightreg, desc->volfunc(chip->right)); |
| |
| return 0; |
| } |
| case V4L2_CID_AUDIO_BASS: |
| if (!(desc->flags & CHIP_HAS_BASSTREBLE)) |
| break; |
| chip->bass = ctrl->value; |
| chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass)); |
| |
| return 0; |
| case V4L2_CID_AUDIO_TREBLE: |
| if (!(desc->flags & CHIP_HAS_BASSTREBLE)) |
| break; |
| chip->treble = ctrl->value; |
| chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble)); |
| |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| |
| /* ---------------------------------------------------------------------- */ |
| /* video4linux interface */ |
| |
| static int tvaudio_s_radio(struct v4l2_subdev *sd) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| |
| chip->radio = 1; |
| /* del_timer(&chip->wt); */ |
| return 0; |
| } |
| |
| static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| switch (qc->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| if (desc->flags & CHIP_HAS_INPUTSEL) |
| return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); |
| break; |
| case V4L2_CID_AUDIO_VOLUME: |
| if (desc->flags & CHIP_HAS_VOLUME) |
| return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880); |
| break; |
| case V4L2_CID_AUDIO_BALANCE: |
| if (desc->flags & CHIP_HAS_VOLUME) |
| return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); |
| break; |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| if (desc->flags & CHIP_HAS_BASSTREBLE) |
| return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); |
| break; |
| default: |
| break; |
| } |
| return -EINVAL; |
| } |
| |
| static int tvaudio_s_routing(struct v4l2_subdev *sd, |
| u32 input, u32 output, u32 config) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| if (!(desc->flags & CHIP_HAS_INPUTSEL)) |
| return 0; |
| if (input >= 4) |
| return -EINVAL; |
| /* There are four inputs: tuner, radio, extern and intern. */ |
| chip->input = input; |
| if (chip->muted) |
| return 0; |
| chip_write_masked(chip, desc->inputreg, |
| desc->inputmap[chip->input], desc->inputmask); |
| return 0; |
| } |
| |
| static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| if (!desc->setaudmode) |
| return 0; |
| if (chip->radio) |
| return 0; |
| |
| switch (vt->audmode) { |
| case V4L2_TUNER_MODE_MONO: |
| case V4L2_TUNER_MODE_STEREO: |
| case V4L2_TUNER_MODE_LANG1: |
| case V4L2_TUNER_MODE_LANG2: |
| case V4L2_TUNER_MODE_LANG1_LANG2: |
| break; |
| default: |
| return -EINVAL; |
| } |
| chip->audmode = vt->audmode; |
| |
| if (chip->thread) |
| wake_up_process(chip->thread); |
| else |
| desc->setaudmode(chip, vt->audmode); |
| |
| return 0; |
| } |
| |
| static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| if (!desc->getrxsubchans) |
| return 0; |
| if (chip->radio) |
| return 0; |
| |
| vt->audmode = chip->audmode; |
| vt->rxsubchans = desc->getrxsubchans(chip); |
| vt->capability = V4L2_TUNER_CAP_STEREO | |
| V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; |
| |
| return 0; |
| } |
| |
| static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| |
| chip->radio = 0; |
| return 0; |
| } |
| |
| static int tvaudio_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq) |
| { |
| struct CHIPSTATE *chip = to_state(sd); |
| struct CHIPDESC *desc = chip->desc; |
| |
| /* For chips that provide getrxsubchans and setaudmode, and doesn't |
| automatically follows the stereo carrier, a kthread is |
| created to set the audio standard. In this case, when then |
| the video channel is changed, tvaudio starts on MONO mode. |
| After waiting for 2 seconds, the kernel thread is called, |
| to follow whatever audio standard is pointed by the |
| audio carrier. |
| */ |
| if (chip->thread) { |
| desc->setaudmode(chip, V4L2_TUNER_MODE_MONO); |
| chip->prevmode = -1; /* reset previous mode */ |
| mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000)); |
| } |
| return 0; |
| } |
| |
| static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| |
| return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static const struct v4l2_subdev_core_ops tvaudio_core_ops = { |
| .g_chip_ident = tvaudio_g_chip_ident, |
| .queryctrl = tvaudio_queryctrl, |
| .g_ctrl = tvaudio_g_ctrl, |
| .s_ctrl = tvaudio_s_ctrl, |
| .s_std = tvaudio_s_std, |
| }; |
| |
| static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = { |
| .s_radio = tvaudio_s_radio, |
| .s_frequency = tvaudio_s_frequency, |
| .s_tuner = tvaudio_s_tuner, |
| .g_tuner = tvaudio_g_tuner, |
| }; |
| |
| static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = { |
| .s_routing = tvaudio_s_routing, |
| }; |
| |
| static const struct v4l2_subdev_ops tvaudio_ops = { |
| .core = &tvaudio_core_ops, |
| .tuner = &tvaudio_tuner_ops, |
| .audio = &tvaudio_audio_ops, |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| |
| /* i2c registration */ |
| |
| static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *id) |
| { |
| struct CHIPSTATE *chip; |
| struct CHIPDESC *desc; |
| struct v4l2_subdev *sd; |
| |
| if (debug) { |
| printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n"); |
| printk(KERN_INFO "tvaudio: known chips: "); |
| for (desc = chiplist; desc->name != NULL; desc++) |
| printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name); |
| printk("\n"); |
| } |
| |
| chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| if (!chip) |
| return -ENOMEM; |
| sd = &chip->sd; |
| v4l2_i2c_subdev_init(sd, client, &tvaudio_ops); |
| |
| /* find description for the chip */ |
| v4l2_dbg(1, debug, sd, "chip found @ 0x%x\n", client->addr<<1); |
| for (desc = chiplist; desc->name != NULL; desc++) { |
| if (0 == *(desc->insmodopt)) |
| continue; |
| if (client->addr < desc->addr_lo || |
| client->addr > desc->addr_hi) |
| continue; |
| if (desc->checkit && !desc->checkit(chip)) |
| continue; |
| break; |
| } |
| if (desc->name == NULL) { |
| v4l2_dbg(1, debug, sd, "no matching chip description found\n"); |
| kfree(chip); |
| return -EIO; |
| } |
| v4l2_info(sd, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name); |
| if (desc->flags) { |
| v4l2_dbg(1, debug, sd, "matches:%s%s%s.\n", |
| (desc->flags & CHIP_HAS_VOLUME) ? " volume" : "", |
| (desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "", |
| (desc->flags & CHIP_HAS_INPUTSEL) ? " audiomux" : ""); |
| } |
| |
| /* fill required data structures */ |
| if (!id) |
| strlcpy(client->name, desc->name, I2C_NAME_SIZE); |
| chip->desc = desc; |
| chip->shadow.count = desc->registers+1; |
| chip->prevmode = -1; |
| chip->audmode = V4L2_TUNER_MODE_LANG1; |
| |
| /* initialization */ |
| if (desc->initialize != NULL) |
| desc->initialize(chip); |
| else |
| chip_cmd(chip, "init", &desc->init); |
| |
| if (desc->flags & CHIP_HAS_VOLUME) { |
| if (!desc->volfunc) { |
| /* This shouldn't be happen. Warn user, but keep working |
| without volume controls |
| */ |
| v4l2_info(sd, "volume callback undefined!\n"); |
| desc->flags &= ~CHIP_HAS_VOLUME; |
| } else { |
| chip->left = desc->leftinit ? desc->leftinit : 65535; |
| chip->right = desc->rightinit ? desc->rightinit : 65535; |
| chip_write(chip, desc->leftreg, |
| desc->volfunc(chip->left)); |
| chip_write(chip, desc->rightreg, |
| desc->volfunc(chip->right)); |
| } |
| } |
| if (desc->flags & CHIP_HAS_BASSTREBLE) { |
| if (!desc->bassfunc || !desc->treblefunc) { |
| /* This shouldn't be happen. Warn user, but keep working |
| without bass/treble controls |
| */ |
| v4l2_info(sd, "bass/treble callbacks undefined!\n"); |
| desc->flags &= ~CHIP_HAS_BASSTREBLE; |
| } else { |
| chip->treble = desc->trebleinit ? |
| desc->trebleinit : 32768; |
| chip->bass = desc->bassinit ? |
| desc->bassinit : 32768; |
| chip_write(chip, desc->bassreg, |
| desc->bassfunc(chip->bass)); |
| chip_write(chip, desc->treblereg, |
| desc->treblefunc(chip->treble)); |
| } |
| } |
| |
| chip->thread = NULL; |
| init_timer(&chip->wt); |
| if (desc->flags & CHIP_NEED_CHECKMODE) { |
| if (!desc->getrxsubchans || !desc->setaudmode) { |
| /* This shouldn't be happen. Warn user, but keep working |
| without kthread |
| */ |
| v4l2_info(sd, "set/get mode callbacks undefined!\n"); |
| return 0; |
| } |
| /* start async thread */ |
| chip->wt.function = chip_thread_wake; |
| chip->wt.data = (unsigned long)chip; |
| chip->thread = kthread_run(chip_thread, chip, client->name); |
| if (IS_ERR(chip->thread)) { |
| v4l2_warn(sd, "failed to create kthread\n"); |
| chip->thread = NULL; |
| } |
| } |
| return 0; |
| } |
| |
| static int tvaudio_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct CHIPSTATE *chip = to_state(sd); |
| |
| del_timer_sync(&chip->wt); |
| if (chip->thread) { |
| /* shutdown async thread */ |
| kthread_stop(chip->thread); |
| chip->thread = NULL; |
| } |
| |
| v4l2_device_unregister_subdev(sd); |
| kfree(chip); |
| return 0; |
| } |
| |
| /* This driver supports many devices and the idea is to let the driver |
| detect which device is present. So rather than listing all supported |
| devices here, we pretend to support a single, fake device type. */ |
| static const struct i2c_device_id tvaudio_id[] = { |
| { "tvaudio", 0 }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(i2c, tvaudio_id); |
| |
| static struct i2c_driver tvaudio_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = "tvaudio", |
| }, |
| .probe = tvaudio_probe, |
| .remove = tvaudio_remove, |
| .id_table = tvaudio_id, |
| }; |
| |
| module_i2c_driver(tvaudio_driver); |