[media] move i2c files into drivers/media/i2c

Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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 Phi