diff options
Diffstat (limited to 'drivers/media/video/tvaudio.c')
| -rw-r--r-- | drivers/media/video/tvaudio.c | 2118 |
1 files changed, 0 insertions, 2118 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c deleted file mode 100644 index 321b3153df8..00000000000 --- a/drivers/media/video/tvaudio.c +++ /dev/null @@ -1,2118 +0,0 @@ -/* - * 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) - * - * 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); |