#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/videodev.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-common.h>
+#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-i2c-drv-legacy.h>
#include <media/i2c-addr.h>
/* ---------------------------------------------------------------------- */
/* our structs */
-#define MAXREGS 64
+#define MAXREGS 256
struct CHIPSTATE;
typedef int (*getvalue)(int);
int inputmute;
int inputmask;
};
-static struct CHIPDESC chiplist[];
/* current state of the chip */
struct CHIPSTATE {
- struct i2c_client *c;
+ struct v4l2_subdev sd;
/* chip-specific description - should point to
an entry at CHIPDESC table */
int audmode;
};
-/* ---------------------------------------------------------------------- */
-/* i2c addresses */
-
-static unsigned short normal_i2c[] = {
- I2C_ADDR_TDA8425 >> 1,
- I2C_ADDR_TEA6300 >> 1,
- I2C_ADDR_TEA6420 >> 1,
- I2C_ADDR_TDA9840 >> 1,
- I2C_ADDR_TDA985x_L >> 1,
- I2C_ADDR_TDA985x_H >> 1,
- I2C_ADDR_TDA9874 >> 1,
- I2C_ADDR_PIC16C54 >> 1,
- I2C_CLIENT_END };
-I2C_CLIENT_INSMOD;
+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) {
- v4l_dbg(1, debug, chip->c, "%s: chip_write: 0x%x\n",
- chip->c->name, val);
+ v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val);
chip->shadow.bytes[1] = val;
buffer[0] = val;
- if (1 != i2c_master_send(chip->c,buffer,1)) {
- v4l_warn(chip->c, "%s: I/O error (write 0x%x)\n",
- chip->c->name, 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)) {
- v4l_info(chip->c,
+ v4l2_info(sd,
"Tried to access a non-existent register: %d\n",
subaddr);
return -EINVAL;
}
- v4l_dbg(1, debug, chip->c, "%s: chip_write: reg%d=0x%x\n",
- chip->c->name, subaddr, val);
+ 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(chip->c,buffer,2)) {
- v4l_warn(chip->c, "%s: I/O error (write reg%d=0x%x)\n",
- chip->c->name, subaddr, 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;
}
}
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)) {
- v4l_info(chip->c,
+ v4l2_info(sd,
"Tried to access a non-existent register: %d\n",
subaddr);
return -EINVAL;
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(chip->c,&buffer,1)) {
- v4l_warn(chip->c, "%s: I/O error (read)\n",
- chip->c->name);
+ if (1 != i2c_master_recv(c, &buffer, 1)) {
+ v4l2_warn(sd, "I/O error (read)\n");
return -1;
}
- v4l_dbg(1, debug, chip->c, "%s: chip_read: 0x%x\n",chip->c->name, buffer);
+ 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] = {
- { chip->c->addr, 0, 1, write },
- { chip->c->addr, I2C_M_RD, 1, read }
+ { c->addr, 0, 1, write },
+ { c->addr, I2C_M_RD, 1, read }
};
+
write[0] = subaddr;
- if (2 != i2c_transfer(chip->c->adapter,msgs,2)) {
- v4l_warn(chip->c, "%s: I/O error (read2)\n", chip->c->name);
+ if (2 != i2c_transfer(c->adapter, msgs, 2)) {
+ v4l2_warn(sd, "I/O error (read2)\n");
return -1;
}
- v4l_dbg(1, debug, chip->c, "%s: chip_read2: reg%d=0x%x\n",
- chip->c->name, subaddr,read[0]);
+ 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)) {
- v4l_info(chip->c,
+ 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) */
- v4l_dbg(1, debug, chip->c, "%s: chip_cmd(%s): reg=%d, data:",
- chip->c->name, name,cmd->bytes[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(" 0x%x",cmd->bytes[i]);
+ printk(KERN_CONT " 0x%x", cmd->bytes[i]);
chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
}
if (debug)
- printk("\n");
+ printk(KERN_CONT "\n");
/* send data to the chip */
- if (cmd->count != i2c_master_send(chip->c,cmd->bytes,cmd->count)) {
- v4l_warn(chip->c, "%s: I/O error (%s)\n", chip->c->name, name);
+ if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) {
+ v4l2_warn(sd, "I/O error (%s)\n", name);
return -1;
}
return 0;
{
struct CHIPSTATE *chip = data;
struct CHIPDESC *desc = chip->desc;
+ struct v4l2_subdev *sd = &chip->sd;
int mode;
- v4l_dbg(1, debug, chip->c, "%s: thread started\n", chip->c->name);
+ v4l2_dbg(1, debug, sd, "thread started\n");
set_freezable();
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
try_to_freeze();
if (kthread_should_stop())
break;
- v4l_dbg(1, debug, chip->c, "%s: thread wakeup\n", chip->c->name);
+ v4l2_dbg(1, debug, sd, "thread wakeup\n");
/* don't do anything for radio or if mode != auto */
if (chip->radio || chip->mode != 0)
continue;
/* chip detected a new audio mode - set it */
- v4l_dbg(1, debug, chip->c, "%s: thread checkmode\n",
- chip->c->name);
+ v4l2_dbg(1, debug, sd, "thread checkmode\n");
chip->prevmode = mode;
mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
}
- v4l_dbg(1, debug, chip->c, "%s: thread exiting\n", chip->c->name);
+ v4l2_dbg(1, debug, sd, "thread exiting\n");
return 0;
}
static int tda9840_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int val, mode;
val = chip_read(chip);
if (val & TDA9840_ST_STEREO)
mode |= V4L2_TUNER_MODE_STEREO;
- v4l_dbg(1, debug, chip->c, "tda9840_getmode(): raw chip read: %d, return: %d\n",
+ v4l2_dbg(1, debug, sd, "tda9840_getmode(): raw chip read: %d, return: %d\n",
val, mode);
return mode;
}
static int tda9873_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int val,mode;
val = chip_read(chip);
mode |= V4L2_TUNER_MODE_STEREO;
if (val & TDA9873_DUAL)
mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
- v4l_dbg(1, debug, chip->c, "tda9873_getmode(): raw chip read: %d, return: %d\n",
+ v4l2_dbg(1, debug, sd, "tda9873_getmode(): raw chip read: %d, return: %d\n",
val, mode);
return mode;
}
static void tda9873_setmode(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) {
- v4l_dbg(1, debug, chip->c, "tda9873_setmode(): external input\n");
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): external input\n");
return;
}
- v4l_dbg(1, debug, chip->c, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
- v4l_dbg(1, debug, chip->c, "tda9873_setmode(): sw_data = %d\n", sw_data);
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): chip->shadow.bytes[%d] = %d\n", TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): sw_data = %d\n", sw_data);
switch (mode) {
case V4L2_TUNER_MODE_MONO:
}
chip_write(chip, TDA9873_SW, sw_data);
- v4l_dbg(1, debug, chip->c, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
+ v4l2_dbg(1, debug, sd, "tda9873_setmode(): req. mode %d; chip_write: %d\n",
mode, sw_data);
}
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);
chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
}
- v4l_dbg(1, debug, chip->c, "tda9874a_setup(): %s [0x%02X].\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n",
tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
return 1;
}
static int tda9874a_getmode(struct CHIPSTATE *chip)
{
+ struct v4l2_subdev *sd = &chip->sd;
int dsr,nsr,mode;
int necr; /* just for debugging */
mode |= V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
}
- v4l_dbg(1, debug, chip->c, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_getmode(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
dsr, nsr, necr, mode);
return mode;
}
static void tda9874a_setmode(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 (tda9874a_mode) {
if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
tda9874a_NCONR &= 0xfe; /* enable */
else
chip_write(chip, TDA9874A_AOSR, aosr);
chip_write(chip, TDA9874A_MDACOSR, mdacosr);
- v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
mode, aosr, mdacosr);
} else { /* dic == 0x07 */
chip_write(chip, TDA9874A_FMMR, fmmr);
chip_write(chip, TDA9874A_AOSR, aosr);
- v4l_dbg(1, debug, chip->c, "tda9874a_setmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
+ v4l2_dbg(1, debug, sd, "tda9874a_setmode(): 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)))
if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
return 0;
- v4l_dbg(1, debug, chip->c, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
+ v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
if((dic == 0x11)||(dic == 0x07)) {
- v4l_info(chip->c, "found tda9874%s.\n", (dic == 0x11) ? "a":"h");
+ v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h");
tda9874a_dic = dic; /* remember device id. */
return 1;
}
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 */
static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
-static int tda8425_initialize(struct CHIPSTATE *chip)
-{
- struct CHIPDESC *desc = chip->desc;
- int inputmap[4] = { /* tuner */ TDA8425_S1_CH2, /* radio */ TDA8425_S1_CH1,
- /* extern */ TDA8425_S1_CH1, /* intern */ TDA8425_S1_OFF};
-
- if (chip->c->adapter->id == I2C_HW_B_RIVA) {
- memcpy (desc->inputmap, inputmap, sizeof (inputmap));
- }
- return 0;
-}
-
static void tda8425_setmode(struct CHIPSTATE *chip, int mode)
{
int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
static void ta8874z_setmode(struct CHIPSTATE *chip, int mode)
{
+ struct v4l2_subdev *sd = &chip->sd;
int update = 1;
audiocmd *t = NULL;
- v4l_dbg(1, debug, chip->c, "ta8874z_setmode(): mode: 0x%02x\n", mode);
+
+ v4l2_dbg(1, debug, sd, "ta8874z_setmode(): mode: 0x%02x\n", mode);
switch(mode){
case V4L2_TUNER_MODE_MONO:
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;
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);
.getmode = tda9874a_getmode,
.setmode = tda9874a_setmode,
},
+ {
+ .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,
.treblereg = TDA8425_TR,
/* callbacks */
- .initialize = tda8425_initialize,
.volfunc = tda8425_shift10,
.bassfunc = tda8425_shift12,
.treblefunc = tda8425_shift12,
/* ---------------------------------------------------------------------- */
-/* i2c registration */
-
-static int chip_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
- struct CHIPSTATE *chip;
- struct CHIPDESC *desc;
- 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;
- chip->c = client;
- i2c_set_clientdata(client, chip);
-
- /* find description for the chip */
- v4l_dbg(1, debug, client, "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) {
- v4l_dbg(1, debug, client, "no matching chip description found\n");
- kfree(chip);
- return -EIO;
- }
- v4l_info(client, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
- if (desc->flags) {
- v4l_dbg(1, debug, client, "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
- */
- v4l_info(chip->c, "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
- */
- v4l_info(chip->c, "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;
- if (desc->flags & CHIP_NEED_CHECKMODE) {
- if (!desc->getmode || !desc->setmode) {
- /* This shouldn't be happen. Warn user, but keep working
- without kthread
- */
- v4l_info(chip->c, "set/get mode callbacks undefined!\n");
- return 0;
- }
- /* start async thread */
- init_timer(&chip->wt);
- chip->wt.function = chip_thread_wake;
- chip->wt.data = (unsigned long)chip;
- chip->thread = kthread_run(chip_thread, chip, chip->c->name);
- if (IS_ERR(chip->thread)) {
- v4l_warn(chip->c, "%s: failed to create kthread\n",
- chip->c->name);
- chip->thread = NULL;
- }
- }
- return 0;
-}
-
-static int chip_remove(struct i2c_client *client)
-{
- struct CHIPSTATE *chip = i2c_get_clientdata(client);
-
- del_timer_sync(&chip->wt);
- if (chip->thread) {
- /* shutdown async thread */
- kthread_stop(chip->thread);
- chip->thread = NULL;
- }
-
- kfree(chip);
- return 0;
-}
-
-static int tvaudio_get_ctrl(struct CHIPSTATE *chip,
+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:
return 0;
}
case V4L2_CID_AUDIO_BASS:
- if (desc->flags & CHIP_HAS_BASSTREBLE)
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
break;
ctrl->value = chip->bass;
return 0;
case V4L2_CID_AUDIO_TREBLE:
- if (desc->flags & CHIP_HAS_BASSTREBLE)
- return -EINVAL;
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
ctrl->value = chip->treble;
return 0;
}
return -EINVAL;
}
-static int tvaudio_set_ctrl(struct CHIPSTATE *chip,
+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;
return 0;
}
case V4L2_CID_AUDIO_BASS:
- if (desc->flags & CHIP_HAS_BASSTREBLE)
+ 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)
- return -EINVAL;
-
+ if (!(desc->flags & CHIP_HAS_BASSTREBLE))
+ break;
chip->treble = ctrl->value;
chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
/* ---------------------------------------------------------------------- */
/* video4linux interface */
-static int chip_command(struct i2c_client *client,
- unsigned int cmd, void *arg)
+static int tvaudio_s_radio(struct v4l2_subdev *sd)
{
- struct CHIPSTATE *chip = i2c_get_clientdata(client);
- struct CHIPDESC *desc = chip->desc;
+ struct CHIPSTATE *chip = to_state(sd);
- v4l_dbg(1, debug, chip->c, "%s: chip_command 0x%x\n", chip->c->name, cmd);
+ chip->radio = 1;
+ chip->watch_stereo = 0;
+ /* del_timer(&chip->wt); */
+ return 0;
+}
- switch (cmd) {
- case AUDC_SET_RADIO:
- chip->radio = 1;
- chip->watch_stereo = 0;
- /* del_timer(&chip->wt); */
+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;
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
-
- switch (qc->id) {
- case V4L2_CID_AUDIO_MUTE:
- break;
- case V4L2_CID_AUDIO_VOLUME:
- case V4L2_CID_AUDIO_BALANCE:
- if (!(desc->flags & CHIP_HAS_VOLUME))
- return -EINVAL;
- break;
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- if (desc->flags & CHIP_HAS_BASSTREBLE)
- return -EINVAL;
- break;
- default:
- return -EINVAL;
- }
- return v4l2_ctrl_query_fill_std(qc);
}
- case VIDIOC_S_CTRL:
- return tvaudio_set_ctrl(chip, arg);
+ return -EINVAL;
+}
- case VIDIOC_G_CTRL:
- return tvaudio_get_ctrl(chip, arg);
- case VIDIOC_INT_G_AUDIO_ROUTING:
- {
- struct v4l2_routing *rt = arg;
+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;
- rt->input = chip->input;
- rt->output = 0;
+ 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;
+ int mode = 0;
+
+ if (!desc->setmode)
+ 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:
+ mode = vt->audmode;
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ mode = V4L2_TUNER_MODE_STEREO;
break;
+ default:
+ return -EINVAL;
}
- case VIDIOC_INT_S_AUDIO_ROUTING:
- {
- struct v4l2_routing *rt = arg;
+ chip->audmode = vt->audmode;
- if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
- return -EINVAL;
- /* There are four inputs: tuner, radio, extern and intern. */
- chip->input = rt->input;
- if (chip->muted)
- break;
- chip_write_masked(chip, desc->inputreg,
- desc->inputmap[chip->input], desc->inputmask);
- break;
+ if (mode) {
+ chip->watch_stereo = 0;
+ /* del_timer(&chip->wt); */
+ chip->mode = mode;
+ desc->setmode(chip, mode);
}
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *vt = arg;
- int mode = 0;
+ return 0;
+}
- if (chip->radio)
- break;
- switch (vt->audmode) {
- case V4L2_TUNER_MODE_MONO:
- case V4L2_TUNER_MODE_STEREO:
- case V4L2_TUNER_MODE_LANG1:
- case V4L2_TUNER_MODE_LANG2:
- mode = vt->audmode;
- break;
- case V4L2_TUNER_MODE_LANG1_LANG2:
- mode = V4L2_TUNER_MODE_STEREO;
- break;
- default:
- return -EINVAL;
- }
- chip->audmode = vt->audmode;
+static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct CHIPSTATE *chip = to_state(sd);
+ struct CHIPDESC *desc = chip->desc;
+ int mode = V4L2_TUNER_MODE_MONO;
- if (desc->setmode && mode) {
- chip->watch_stereo = 0;
- /* del_timer(&chip->wt); */
- chip->mode = mode;
- desc->setmode(chip, mode);
- }
- break;
+ if (!desc->getmode)
+ return 0;
+ if (chip->radio)
+ return 0;
+
+ vt->audmode = chip->audmode;
+ vt->rxsubchans = 0;
+ vt->capability = V4L2_TUNER_CAP_STEREO |
+ V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
+
+ mode = desc->getmode(chip);
+
+ if (mode & V4L2_TUNER_MODE_MONO)
+ vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
+ if (mode & V4L2_TUNER_MODE_STEREO)
+ vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ /* Note: for SAP it should be mono/lang2 or stereo/lang2.
+ When this module is converted fully to v4l2, then this
+ should change for those chips that can detect SAP. */
+ if (mode & V4L2_TUNER_MODE_LANG1)
+ vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
+ V4L2_TUNER_SUB_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;
+
+ chip->mode = 0; /* automatic */
+
+ /* For chips that provide getmode and setmode, 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->setmode(chip, V4L2_TUNER_MODE_MONO);
+ if (chip->prevmode != V4L2_TUNER_MODE_MONO)
+ chip->prevmode = -1; /* reset previous mode */
+ mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
}
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *vt = arg;
- int mode = V4L2_TUNER_MODE_MONO;
+ return 0;
+}
- if (chip->radio)
- break;
- vt->audmode = chip->audmode;
- vt->rxsubchans = 0;
- vt->capability = V4L2_TUNER_CAP_STEREO |
- V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
+static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (desc->getmode)
- mode = desc->getmode(chip);
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
+}
- if (mode & V4L2_TUNER_MODE_MONO)
- vt->rxsubchans |= V4L2_TUNER_SUB_MONO;
- if (mode & V4L2_TUNER_MODE_STEREO)
- vt->rxsubchans |= V4L2_TUNER_SUB_STEREO;
- /* Note: for SAP it should be mono/lang2 or stereo/lang2.
- When this module is converted fully to v4l2, then this
- should change for those chips that can detect SAP. */
- if (mode & V4L2_TUNER_MODE_LANG1)
- vt->rxsubchans = V4L2_TUNER_SUB_LANG1 |
- V4L2_TUNER_SUB_LANG2;
- break;
+/* ----------------------------------------------------------------------- */
+
+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");
}
- case VIDIOC_S_STD:
- chip->radio = 0;
+
+ 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;
- case VIDIOC_S_FREQUENCY:
- chip->mode = 0; /* automatic */
-
- /* For chips that provide getmode, setmode and checkmode,
- a kthread is created to automatically to set the audio
- standard. In this case, start with MONO and wait 2 seconds
- for the decoding to stablize. Then, run kthread to change
- to stereo, if carrier detected.
- */
- if (chip->thread) {
- desc->setmode(chip,V4L2_TUNER_MODE_MONO);
- if (chip->prevmode != V4L2_TUNER_MODE_MONO)
- chip->prevmode = -1; /* reset previous mode */
- mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
+ }
+ 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));
}
- break;
+ }
+ 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));
+ }
+ }
- case VIDIOC_G_CHIP_IDENT:
- return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_TVAUDIO, 0);
+ chip->thread = NULL;
+ init_timer(&chip->wt);
+ if (desc->flags & CHIP_NEED_CHECKMODE) {
+ if (!desc->getmode || !desc->setmode) {
+ /* 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 chip_legacy_probe(struct i2c_adapter *adap)
+static int tvaudio_remove(struct i2c_client *client)
{
- /* don't attach on saa7146 based cards,
- because dedicated drivers are used */
- if ((adap->id == I2C_HW_SAA7146))
- return 0;
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return 1;
+ 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 chip_id[] = {
+static const struct i2c_device_id tvaudio_id[] = {
{ "tvaudio", 0 },
{ }
};
-MODULE_DEVICE_TABLE(i2c, chip_id);
-
-static struct v4l2_i2c_driver_data v4l2_i2c_data = {
- .name = "tvaudio",
- .driverid = I2C_DRIVERID_TVAUDIO,
- .command = chip_command,
- .probe = chip_probe,
- .remove = chip_remove,
- .legacy_probe = chip_legacy_probe,
- .id_table = chip_id,
+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,
};
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+static __init int init_tvaudio(void)
+{
+ return i2c_add_driver(&tvaudio_driver);
+}
+
+static __exit void exit_tvaudio(void)
+{
+ i2c_del_driver(&tvaudio_driver);
+}
+
+module_init(init_tvaudio);
+module_exit(exit_tvaudio);
Code Review / linux-2.6.git / blobdiff