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Commit 12f91a3f authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (9966): tda9875: convert to v4l2_subdev. 



Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 973909e8

drivers/media/video/tda9875.c

+151 −197
Original line number Diff line number Diff line
@@ -25,11 +25,10 @@ 
#include <linux/delay.h>

#include <linux/errno.h>

#include <linux/slab.h>

#include <linux/videodev2.h>

#include <media/v4l2-common.h>

#include <linux/i2c.h>

#include <linux/init.h>



#include <linux/videodev2.h>

#include <media/v4l2-device.h>

#include <media/v4l2-i2c-drv-legacy.h>

#include <media/i2c-addr.h>



static int debug; /* insmod parameter */
@@ -46,13 +45,15 @@ I2C_CLIENT_INSMOD; 


/* This is a superset of the TDA9875 */

struct tda9875 {

	struct v4l2_subdev sd;

	int rvol, lvol;

	int bass, treble;

	struct i2c_client c;

};



static struct i2c_driver driver;

static struct i2c_client client_template;

static inline struct tda9875 *to_state(struct v4l2_subdev *sd)

{

	return container_of(sd, struct tda9875, sd);

}



#define dprintk  if (debug) printk
@@ -105,15 +106,16 @@ static struct i2c_client client_template; 


/* Begin code */



static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char val)

static int tda9875_write(struct v4l2_subdev *sd, int subaddr, unsigned char val)

{

	struct i2c_client *client = v4l2_get_subdevdata(sd);

	unsigned char buffer[2];

	dprintk("In tda9875_write\n");

	dprintk("Writing %d 0x%x\n", subaddr, val);



	v4l2_dbg(1, debug, sd, "Writing %d 0x%x\n", subaddr, val);

	buffer[0] = subaddr;

	buffer[1] = val;

	if (2 != i2c_master_send(client, buffer, 2)) {

		printk(KERN_WARNING "tda9875: I/O error, trying (write %d 0x%x)\n",

		v4l2_warn(sd, "I/O error, trying (write %d 0x%x)\n",

		       subaddr, val);

		return -1;

	}
@@ -121,7 +123,7 @@ static int tda9875_write(struct i2c_client *client, int subaddr, unsigned char v 
}





static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg)

static int i2c_read_register(struct i2c_client *client, int addr, int reg)

{

	unsigned char write[1];

	unsigned char read[1];
@@ -129,150 +131,83 @@ static int i2c_read_register(struct i2c_adapter *adap, int addr, int reg) 
		{ addr, 0,        1, write },

		{ addr, I2C_M_RD, 1, read  }

	};



	write[0] = reg;



	if (2 != i2c_transfer(adap,msgs,2)) {

		printk(KERN_WARNING "tda9875: I/O error (read2)\n");

	if (2 != i2c_transfer(client->adapter, msgs, 2)) {

		v4l_warn(client, "I/O error (read2)\n");

		return -1;

	}

	dprintk("tda9875: chip_read2: reg%d=0x%x\n",reg,read[0]);

	v4l_dbg(1, debug, client, "chip_read2: reg%d=0x%x\n", reg, read[0]);

	return read[0];

}



static void tda9875_set(struct i2c_client *client)

static void tda9875_set(struct v4l2_subdev *sd)

{

	struct tda9875 *tda = i2c_get_clientdata(client);

	struct tda9875 *tda = to_state(sd);

	unsigned char a;



	dprintk(KERN_DEBUG "tda9875_set(%04x,%04x,%04x,%04x)\n",

	v4l2_dbg(1, debug, sd, "tda9875_set(%04x,%04x,%04x,%04x)\n",

		tda->lvol, tda->rvol, tda->bass, tda->treble);





	a = tda->lvol & 0xff;

	tda9875_write(client, TDA9875_MVL, a);

	tda9875_write(sd, TDA9875_MVL, a);

	a =tda->rvol & 0xff;

	tda9875_write(client, TDA9875_MVR, a);

	tda9875_write(sd, TDA9875_MVR, a);

	a =tda->bass & 0xff;

	tda9875_write(client, TDA9875_MBA, a);

	tda9875_write(sd, TDA9875_MBA, a);

	a =tda->treble  & 0xff;

	tda9875_write(client, TDA9875_MTR, a);

	tda9875_write(sd, TDA9875_MTR, a);

}



static void do_tda9875_init(struct i2c_client *client)

static void do_tda9875_init(struct v4l2_subdev *sd)

{

	struct tda9875 *t = i2c_get_clientdata(client);

	dprintk("In tda9875_init\n");

	tda9875_write(client, TDA9875_CFG, 0xd0 ); /*reg de config 0 (reset)*/

	tda9875_write(client, TDA9875_MSR, 0x03 );    /* Monitor 0b00000XXX*/

	tda9875_write(client, TDA9875_C1MSB, 0x00 );  /*Car1(FM) MSB XMHz*/

	tda9875_write(client, TDA9875_C1MIB, 0x00 );  /*Car1(FM) MIB XMHz*/

	tda9875_write(client, TDA9875_C1LSB, 0x00 );  /*Car1(FM) LSB XMHz*/

	tda9875_write(client, TDA9875_C2MSB, 0x00 );  /*Car2(NICAM) MSB XMHz*/

	tda9875_write(client, TDA9875_C2MIB, 0x00 );  /*Car2(NICAM) MIB XMHz*/

	tda9875_write(client, TDA9875_C2LSB, 0x00 );  /*Car2(NICAM) LSB XMHz*/

	tda9875_write(client, TDA9875_DCR, 0x00 );    /*Demod config 0x00*/

	tda9875_write(client, TDA9875_DEEM, 0x44 );   /*DE-Emph 0b0100 0100*/

	tda9875_write(client, TDA9875_FMAT, 0x00 );   /*FM Matrix reg 0x00*/

	tda9875_write(client, TDA9875_SC1, 0x00 );    /* SCART 1 (SC1)*/

	tda9875_write(client, TDA9875_SC2, 0x01 );    /* SCART 2 (sc2)*/



	tda9875_write(client, TDA9875_CH1V, 0x10 );  /* Channel volume 1 mute*/

	tda9875_write(client, TDA9875_CH2V, 0x10 );  /* Channel volume 2 mute */

	tda9875_write(client, TDA9875_DACOS, 0x02 ); /* sig DAC i/o(in:nicam)*/

	tda9875_write(client, TDA9875_ADCIS, 0x6f ); /* sig ADC input(in:mono)*/

	tda9875_write(client, TDA9875_LOSR, 0x00 );  /* line out (in:mono)*/

	tda9875_write(client, TDA9875_AER, 0x00 );   /*06 Effect (AVL+PSEUDO) */

	tda9875_write(client, TDA9875_MCS, 0x44 );   /* Main ch select (DAC) */

	tda9875_write(client, TDA9875_MVL, 0x03 );   /* Vol Main left 10dB */

	tda9875_write(client, TDA9875_MVR, 0x03 );   /* Vol Main right 10dB*/

	tda9875_write(client, TDA9875_MBA, 0x00 );   /* Main Bass Main 0dB*/

	tda9875_write(client, TDA9875_MTR, 0x00 );   /* Main Treble Main 0dB*/

	tda9875_write(client, TDA9875_ACS, 0x44 );   /* Aux chan select (dac)*/

	tda9875_write(client, TDA9875_AVL, 0x00 );   /* Vol Aux left 0dB*/

	tda9875_write(client, TDA9875_AVR, 0x00 );   /* Vol Aux right 0dB*/

	tda9875_write(client, TDA9875_ABA, 0x00 );   /* Aux Bass Main 0dB*/

	tda9875_write(client, TDA9875_ATR, 0x00 );   /* Aux Aigus Main 0dB*/



	tda9875_write(client, TDA9875_MUT, 0xcc );   /* General mute  */

	struct tda9875 *t = to_state(sd);



	v4l2_dbg(1, debug, sd, "In tda9875_init\n");

	tda9875_write(sd, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/

	tda9875_write(sd, TDA9875_MSR, 0x03);    /* Monitor 0b00000XXX*/

	tda9875_write(sd, TDA9875_C1MSB, 0x00);  /*Car1(FM) MSB XMHz*/

	tda9875_write(sd, TDA9875_C1MIB, 0x00);  /*Car1(FM) MIB XMHz*/

	tda9875_write(sd, TDA9875_C1LSB, 0x00);  /*Car1(FM) LSB XMHz*/

	tda9875_write(sd, TDA9875_C2MSB, 0x00);  /*Car2(NICAM) MSB XMHz*/

	tda9875_write(sd, TDA9875_C2MIB, 0x00);  /*Car2(NICAM) MIB XMHz*/

	tda9875_write(sd, TDA9875_C2LSB, 0x00);  /*Car2(NICAM) LSB XMHz*/

	tda9875_write(sd, TDA9875_DCR, 0x00);    /*Demod config 0x00*/

	tda9875_write(sd, TDA9875_DEEM, 0x44);   /*DE-Emph 0b0100 0100*/

	tda9875_write(sd, TDA9875_FMAT, 0x00);   /*FM Matrix reg 0x00*/

	tda9875_write(sd, TDA9875_SC1, 0x00);    /* SCART 1 (SC1)*/

	tda9875_write(sd, TDA9875_SC2, 0x01);    /* SCART 2 (sc2)*/



	tda9875_write(sd, TDA9875_CH1V, 0x10);  /* Channel volume 1 mute*/

	tda9875_write(sd, TDA9875_CH2V, 0x10);  /* Channel volume 2 mute */

	tda9875_write(sd, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/

	tda9875_write(sd, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/

	tda9875_write(sd, TDA9875_LOSR, 0x00);  /* line out (in:mono)*/

	tda9875_write(sd, TDA9875_AER, 0x00);   /*06 Effect (AVL+PSEUDO) */

	tda9875_write(sd, TDA9875_MCS, 0x44);   /* Main ch select (DAC) */

	tda9875_write(sd, TDA9875_MVL, 0x03);   /* Vol Main left 10dB */

	tda9875_write(sd, TDA9875_MVR, 0x03);   /* Vol Main right 10dB*/

	tda9875_write(sd, TDA9875_MBA, 0x00);   /* Main Bass Main 0dB*/

	tda9875_write(sd, TDA9875_MTR, 0x00);   /* Main Treble Main 0dB*/

	tda9875_write(sd, TDA9875_ACS, 0x44);   /* Aux chan select (dac)*/

	tda9875_write(sd, TDA9875_AVL, 0x00);   /* Vol Aux left 0dB*/

	tda9875_write(sd, TDA9875_AVR, 0x00);   /* Vol Aux right 0dB*/

	tda9875_write(sd, TDA9875_ABA, 0x00);   /* Aux Bass Main 0dB*/

	tda9875_write(sd, TDA9875_ATR, 0x00);   /* Aux Aigus Main 0dB*/



	tda9875_write(sd, TDA9875_MUT, 0xcc);   /* General mute  */



	t->lvol = t->rvol = 0;  	/* 0dB */

	t->bass = 0; 			/* 0dB */

	t->treble = 0;  		/* 0dB */

	tda9875_set(client);



	tda9875_set(sd);

}





/* *********************** *

 * i2c interface functions *

 * *********************** */



static int tda9875_checkit(struct i2c_adapter *adap, int addr)

{

	int dic,rev;



	dic=i2c_read_register(adap,addr,254);

	rev=i2c_read_register(adap,addr,255);



	if(dic==0 || dic==2) { // tda9875 and tda9875A

		printk("tda9875: TDA9875%s Rev.%d detected at 0x%x\n",

		dic==0?"":"A", rev,addr<<1);

		return 1;

	}

	printk("tda9875: no such chip at 0x%x (dic=0x%x rev=0x%x)\n",addr<<1,dic,rev);

	return(0);

}



static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)

static int tda9875_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)

{

	struct tda9875 *t;

	struct i2c_client *client;

	dprintk("In tda9875_attach\n");



	t = kzalloc(sizeof *t,GFP_KERNEL);

	if (!t)

		return -ENOMEM;



	client = &t->c;

	memcpy(client,&client_template,sizeof(struct i2c_client));

	client->adapter = adap;

	client->addr = addr;

	i2c_set_clientdata(client, t);



	if(!tda9875_checkit(adap,addr)) {

		kfree(t);

		return 1;

	}



	do_tda9875_init(client);

	printk(KERN_INFO "tda9875: init\n");



	i2c_attach_client(client);

	return 0;

}



static int tda9875_probe(struct i2c_adapter *adap)

{

	if (adap->class & I2C_CLASS_TV_ANALOG)

		return i2c_probe(adap, &addr_data, tda9875_attach);

	return 0;

}



static int tda9875_detach(struct i2c_client *client)

{

	struct tda9875 *t  = i2c_get_clientdata(client);



	do_tda9875_init(client);

	i2c_detach_client(client);



	kfree(t);

	return 0;

}



static int tda9875_get_ctrl(struct i2c_client *client,

			    struct v4l2_control *ctrl)

{

	struct tda9875 *t = i2c_get_clientdata(client);

	struct tda9875 *t = to_state(sd);



	switch (ctrl->id) {

	case V4L2_CID_AUDIO_VOLUME:
@@ -304,10 +239,9 @@ static int tda9875_get_ctrl(struct i2c_client *client, 
	return -EINVAL;

}



static int tda9875_set_ctrl(struct i2c_client *client,

			    struct v4l2_control *ctrl)

static int tda9875_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)

{

	struct tda9875 *t = i2c_get_clientdata(client);

	struct tda9875 *t = to_state(sd);

	int chvol=0, volume, balance, left, right;



	switch (ctrl->id) {
@@ -371,85 +305,105 @@ static int tda9875_set_ctrl(struct i2c_client *client, 
			t->rvol = -84 & 0xff;

	}



//printk("tda9875 bal:%04x vol:%04x bass:%04x treble:%04x\n",va->balance,va->volume,va->bass,va->treble);



	tda9875_set(client);



	tda9875_set(sd);

	return 0;

}





static int tda9875_command(struct i2c_client *client,

				unsigned int cmd, void *arg)

{

	dprintk("In tda9875_command...\n");



	switch (cmd) {

	/* --- v4l ioctls --- */

	/* take care: bttv does userspace copying, we'll get a

	   kernel pointer here... */

	case VIDIOC_QUERYCTRL:

static int tda9875_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)

{

		struct v4l2_queryctrl *qc = arg;



	switch (qc->id) {

	case V4L2_CID_AUDIO_VOLUME:

	case V4L2_CID_AUDIO_BASS:

	case V4L2_CID_AUDIO_TREBLE:

			default:

		return v4l2_ctrl_query_fill_std(qc);

	}

	return -EINVAL;

}

		return v4l2_ctrl_query_fill_std(qc);



static int tda9875_command(struct i2c_client *client, unsigned cmd, void *arg)

{

	return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);

}

	case VIDIOC_S_CTRL:

		return tda9875_set_ctrl(client, arg);



	case VIDIOC_G_CTRL:

		return tda9875_get_ctrl(client, arg);

/* ----------------------------------------------------------------------- */



static const struct v4l2_subdev_core_ops tda9875_core_ops = {

	.queryctrl = tda9875_queryctrl,

	.g_ctrl = tda9875_g_ctrl,

	.s_ctrl = tda9875_s_ctrl,

};



static const struct v4l2_subdev_ops tda9875_ops = {

	.core = &tda9875_core_ops,

};



	default: /* Not VIDEOCGAUDIO or VIDEOCSAUDIO */

/* ----------------------------------------------------------------------- */





/* *********************** *

 * i2c interface functions *

 * *********************** */



		/* nothing */

		dprintk("Default\n");

static int tda9875_checkit(struct i2c_client *client, int addr)

{

	int dic, rev;



	} /* end of (cmd) switch */

	dic = i2c_read_register(client, addr, 254);

	rev = i2c_read_register(client, addr, 255);



	if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */

		v4l_info(client, "tda9875%s rev. %d detected at 0x%02x\n",

			dic == 0 ? "" : "A", rev, addr << 1);

		return 1;

	}

	v4l_info(client, "no such chip at 0x%02x (dic=0x%x rev=0x%x)\n",

			addr << 1, dic, rev);

	return 0;

}



static int tda9875_probe(struct i2c_client *client,

			const struct i2c_device_id *id)

{

	struct tda9875 *t;

	struct v4l2_subdev *sd;



static struct i2c_driver driver = {

	.driver = {

		.name   = "tda9875",

	},

	.id             = I2C_DRIVERID_TDA9875,

	.attach_adapter = tda9875_probe,

	.detach_client  = tda9875_detach,

	.command        = tda9875_command,

};

	v4l_info(client, "chip found @ 0x%02x (%s)\n",

			client->addr << 1, client->adapter->name);



static struct i2c_client client_template =

{

	.name      = "tda9875",

	.driver    = &driver,

};

	if (!tda9875_checkit(client, client->addr))

		return -ENODEV;



static int __init tda9875_init(void)

{

	return i2c_add_driver(&driver);

	t = kzalloc(sizeof(*t), GFP_KERNEL);

	if (!t)

		return -ENOMEM;

	sd = &t->sd;

	v4l2_i2c_subdev_init(sd, client, &tda9875_ops);



	do_tda9875_init(sd);

	return 0;

}



static void __exit tda9875_fini(void)

static int tda9875_remove(struct i2c_client *client)

{

	i2c_del_driver(&driver);

}

	struct v4l2_subdev *sd = i2c_get_clientdata(client);



module_init(tda9875_init);

module_exit(tda9875_fini);

	do_tda9875_init(sd);

	v4l2_device_unregister_subdev(sd);

	kfree(to_state(sd));

	return 0;

}



/*

 * Local variables:

 * c-basic-offset: 8

 * End:

 */

static const struct i2c_device_id tda9875_id[] = {

	{ "tda9875", 0 },

	{ }

};

MODULE_DEVICE_TABLE(i2c, tda9875_id);



static struct v4l2_i2c_driver_data v4l2_i2c_data = {

	.name = "tda9875",

	.driverid = I2C_DRIVERID_TDA9875,

	.command = tda9875_command,

	.probe = tda9875_probe,

	.remove = tda9875_remove,

	.id_table = tda9875_id,

};