[net-next-2.6.git] / drivers / media / video / tda9887.c

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/types.h>
#include <linux/videodev.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/delay.h>

#include <media/audiochip.h>
#include <media/tuner.h>
#include <media/id.h>

/* Chips:
   TDA9885 (PAL, NTSC)
   TDA9886 (PAL, SECAM, NTSC)
   TDA9887 (PAL, SECAM, NTSC, FM Radio)

   found on:
   - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
      TDA9887 (world), TDA9885 (USA)
      Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
   - KNC One TV-Station RDS (saa7134)
*/


/* Addresses to scan */
static unsigned short normal_i2c[] = {
	0x84 >>1,
	0x86 >>1,
	0x96 >>1,
	I2C_CLIENT_END,
};
I2C_CLIENT_INSMOD;

/* insmod options */
static unsigned int debug = 0;
module_param(debug, int, 0644);
MODULE_LICENSE("GPL");

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

#define UNSET       (-1U)
#define PREFIX      "tda9885/6/7: "
#define dprintk     if (debug) printk

struct tda9887 {
	struct i2c_client  client;
	v4l2_std_id        std;
	unsigned int       radio;
	unsigned int       config;
	unsigned int       pinnacle_id;
	unsigned int       using_v4l2;
	unsigned int 	   radio_mode;
};

struct tvnorm {
	v4l2_std_id       std;
	char              *name;
	unsigned char     b;
	unsigned char     c;
	unsigned char     e;
};

static struct i2c_driver driver;
static struct i2c_client client_template;

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

//
// TDA defines
//

//// first reg (b)
#define cVideoTrapBypassOFF     0x00    // bit b0
#define cVideoTrapBypassON      0x01    // bit b0

#define cAutoMuteFmInactive     0x00    // bit b1
#define cAutoMuteFmActive       0x02    // bit b1

#define cIntercarrier           0x00    // bit b2
#define cQSS                    0x04    // bit b2

#define cPositiveAmTV           0x00    // bit b3:4
#define cFmRadio                0x08    // bit b3:4
#define cNegativeFmTV           0x10    // bit b3:4


#define cForcedMuteAudioON      0x20    // bit b5
#define cForcedMuteAudioOFF     0x00    // bit b5

#define cOutputPort1Active      0x00    // bit b6
#define cOutputPort1Inactive    0x40    // bit b6

#define cOutputPort2Active      0x00    // bit b7
#define cOutputPort2Inactive    0x80    // bit b7


//// second reg (c)
#define cDeemphasisOFF          0x00    // bit c5
#define cDeemphasisON           0x20    // bit c5

#define cDeemphasis75           0x00    // bit c6
#define cDeemphasis50           0x40    // bit c6

#define cAudioGain0             0x00    // bit c7
#define cAudioGain6             0x80    // bit c7


//// third reg (e)
#define cAudioIF_4_5             0x00    // bit e0:1
#define cAudioIF_5_5             0x01    // bit e0:1
#define cAudioIF_6_0             0x02    // bit e0:1
#define cAudioIF_6_5             0x03    // bit e0:1


#define cVideoIF_58_75           0x00    // bit e2:4
#define cVideoIF_45_75           0x04    // bit e2:4
#define cVideoIF_38_90           0x08    // bit e2:4
#define cVideoIF_38_00           0x0C    // bit e2:4
#define cVideoIF_33_90           0x10    // bit e2:4
#define cVideoIF_33_40           0x14    // bit e2:4
#define cRadioIF_45_75           0x18    // bit e2:4
#define cRadioIF_38_90           0x1C    // bit e2:4


#define cTunerGainNormal         0x00    // bit e5
#define cTunerGainLow            0x20    // bit e5

#define cGating_18               0x00    // bit e6
#define cGating_36               0x40    // bit e6

#define cAgcOutON                0x80    // bit e7
#define cAgcOutOFF               0x00    // bit e7

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

static struct tvnorm tvnorms[] = {
	{
		.std   = V4L2_STD_PAL_BG,
		.name  = "PAL-BG",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cAudioIF_5_5   |
			   cVideoIF_38_90 ),
	},{
		.std   = V4L2_STD_PAL_I,
		.name  = "PAL-I",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cAudioIF_6_0   |
			   cVideoIF_38_90 ),
	},{
		.std   = V4L2_STD_PAL_DK,
		.name  = "PAL-DK",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cAudioIF_6_5   |
			   cVideoIF_38_00 ),
	},{
		.std   = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
		.name  = "PAL-M/N",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis75  ),
		.e     = ( cAudioIF_4_5   |
			   cVideoIF_45_75 ),
	},{
		.std   = V4L2_STD_SECAM_L,
		.name  = "SECAM-L",
		.b     = ( cPositiveAmTV  |
			   cQSS           ),
		.e     = ( cAudioIF_6_5   |
			   cVideoIF_38_90 ),
	},{
		.std   = V4L2_STD_SECAM_DK,
		.name  = "SECAM-DK",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cAudioIF_6_5   |
			   cVideoIF_38_00 ),
	},{
		.std   = V4L2_STD_NTSC_M,
		.name  = "NTSC-M",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cGating_36     |
			   cAudioIF_4_5   |
			   cVideoIF_45_75 ),
	},{
		.std   = V4L2_STD_NTSC_M_JP,
		.name  = "NTSC-JP",
		.b     = ( cNegativeFmTV  |
			   cQSS           ),
		.c     = ( cDeemphasisON  |
			   cDeemphasis50  ),
		.e     = ( cGating_36     |
			   cAudioIF_4_5   |
			   cVideoIF_58_75 ),
	}
};

static struct tvnorm radio_stereo = {
	.name = "Radio Stereo",
	.b    = ( cFmRadio       |
		  cQSS           ),
	.c    = ( cDeemphasisOFF |
		  cAudioGain6 ),
	.e    = ( cAudioIF_5_5   |
		  cRadioIF_38_90 ),
};

static struct tvnorm radio_mono = {
	.name = "Radio Mono",
	.b    = ( cFmRadio       |
		  cQSS           ),
	.c    = ( cDeemphasisON  |
		  cDeemphasis50),
	.e    = ( cAudioIF_5_5   |
		  cRadioIF_38_90 ),
};

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

static void dump_read_message(unsigned char *buf)
{
	static char *afc[16] = {
		"- 12.5 kHz",
		"- 37.5 kHz",
		"- 62.5 kHz",
		"- 87.5 kHz",
		"-112.5 kHz",
		"-137.5 kHz",
		"-162.5 kHz",
		"-187.5 kHz [min]",
		"+187.5 kHz [max]",
		"+162.5 kHz",
		"+137.5 kHz",
		"+112.5 kHz",
		"+ 87.5 kHz",
		"+ 62.5 kHz",
		"+ 37.5 kHz",
		"+ 12.5 kHz",
	};
	printk(PREFIX "read: 0x%2x\n", buf[0]);
	printk("  after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
	printk("  afc            : %s\n", afc[(buf[0] >> 1) & 0x0f]);
	printk("  fmif level     : %s\n", (buf[0] & 0x20) ? "high" : "low");
	printk("  afc window     : %s\n", (buf[0] & 0x40) ? "in" : "out");
	printk("  vfi level      : %s\n", (buf[0] & 0x80) ? "high" : "low");
}

static void dump_write_message(unsigned char *buf)
{
	static char *sound[4] = {
		"AM/TV",
		"FM/radio",
		"FM/TV",
		"FM/radio"
	};
	static char *adjust[32] = {
		"-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
		"-8",  "-7",  "-6",  "-5",  "-4",  "-3",  "-2",  "-1",
		"0",   "+1",  "+2",  "+3",  "+4",  "+5",  "+6",  "+7",
		"+8",  "+9",  "+10", "+11", "+12", "+13", "+14", "+15"
	};
	static char *deemph[4] = {
		"no", "no", "75", "50"
	};
	static char *carrier[4] = {
		"4.5 MHz",
		"5.5 MHz",
		"6.0 MHz",
		"6.5 MHz / AM"
	};
	static char *vif[8] = {
		"58.75 MHz",
		"45.75 MHz",
		"38.9 MHz",
		"38.0 MHz",
		"33.9 MHz",
		"33.4 MHz",
		"45.75 MHz + pin13",
		"38.9 MHz + pin13",
	};
	static char *rif[4] = {
		"44 MHz",
		"52 MHz",
		"52 MHz",
		"44 MHz",
	};

	printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
	printk("  B0   video mode      : %s\n",
	       (buf[1] & 0x01) ? "video trap" : "sound trap");
	printk("  B1   auto mute fm    : %s\n",
	       (buf[1] & 0x02) ? "yes" : "no");
	printk("  B2   carrier mode    : %s\n",
	       (buf[1] & 0x04) ? "QSS" : "Intercarrier");
	printk("  B3-4 tv sound/radio  : %s\n",
	       sound[(buf[1] & 0x18) >> 3]);
	printk("  B5   force mute audio: %s\n",
	       (buf[1] & 0x20) ? "yes" : "no");
	printk("  B6   output port 1   : %s\n",
	       (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
	printk("  B7   output port 2   : %s\n",
	       (buf[1] & 0x80) ? "high (inactive)" : "low (active)");

	printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
	printk("  C0-4 top adjustment  : %s dB\n", adjust[buf[2] & 0x1f]);
	printk("  C5-6 de-emphasis     : %s\n", deemph[(buf[2] & 0x60) >> 5]);
	printk("  C7   audio gain      : %s\n",
	       (buf[2] & 0x80) ? "-6" : "0");

	printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
	printk("  E0-1 sound carrier   : %s\n",
	       carrier[(buf[3] & 0x03)]);
	printk("  E6   l pll ganting   : %s\n",
	       (buf[3] & 0x40) ? "36" : "13");

	if (buf[1] & 0x08) {
		/* radio */
		printk("  E2-4 video if        : %s\n",
		       rif[(buf[3] & 0x0c) >> 2]);
		printk("  E7   vif agc output  : %s\n",
		       (buf[3] & 0x80)
		       ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
		       : "fm radio carrier afc");
	} else {
		/* video */
		printk("  E2-4 video if        : %s\n",
		       vif[(buf[3] & 0x1c) >> 2]);
		printk("  E5   tuner gain      : %s\n",
		       (buf[3] & 0x80)
		       ? ((buf[3] & 0x20) ? "external" : "normal")
		       : ((buf[3] & 0x20) ? "minimum"  : "normal"));
		printk("  E7   vif agc output  : %s\n",
		       (buf[3] & 0x80)
		       ? ((buf[3] & 0x20)
			  ? "pin3 port, pin22 vif agc out"
			  : "pin22 port, pin3 vif acg ext in")
		       : "pin3+pin22 port");
	}
	printk("--\n");
}

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

static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
{
	struct tvnorm *norm = NULL;
	int i;

	if (t->radio) {
		if (t->radio_mode == V4L2_TUNER_MODE_MONO)
			norm = &radio_mono;
		else
			norm = &radio_stereo;
	} else {
		for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
			if (tvnorms[i].std & t->std) {
				norm = tvnorms+i;
				break;
			}
		}
	}
	if (NULL == norm) {
		dprintk(PREFIX "Oops: no tvnorm entry found\n");
		return -1;
	}

	dprintk(PREFIX "configure for: %s\n",norm->name);
	buf[1] = norm->b;
	buf[2] = norm->c;
	buf[3] = norm->e;
	return 0;
}

static unsigned int port1  = UNSET;
static unsigned int port2  = UNSET;
static unsigned int qss    = UNSET;
static unsigned int adjust = 0x10;
module_param(port1, int, 0644);
module_param(port2, int, 0644);
module_param(qss, int, 0644);
module_param(adjust, int, 0644);

static int tda9887_set_insmod(struct tda9887 *t, char *buf)
{
	if (UNSET != port1) {
		if (port1)
			buf[1] |= cOutputPort1Inactive;
		else
			buf[1] &= ~cOutputPort1Inactive;
	}
	if (UNSET != port2) {
		if (port2)
			buf[1] |= cOutputPort2Inactive;
		else
			buf[1] &= ~cOutputPort2Inactive;
	}

	if (UNSET != qss) {
		if (qss)
			buf[1] |= cQSS;
		else
			buf[1] &= ~cQSS;
	}

	if (adjust >= 0x00 && adjust < 0x20)
		buf[2] |= adjust;
	return 0;
}

static int tda9887_set_config(struct tda9887 *t, char *buf)
{
	if (t->config & TDA9887_PORT1_ACTIVE)
		buf[1] &= ~cOutputPort1Inactive;
	if (t->config & TDA9887_PORT1_INACTIVE)
		buf[1] |= cOutputPort1Inactive;
	if (t->config & TDA9887_PORT2_ACTIVE)
		buf[1] &= ~cOutputPort2Inactive;
	if (t->config & TDA9887_PORT2_INACTIVE)
		buf[1] |= cOutputPort2Inactive;

	if (t->config & TDA9887_QSS)
		buf[1] |= cQSS;
	if (t->config & TDA9887_INTERCARRIER)
		buf[1] &= ~cQSS;

	if (t->config & TDA9887_AUTOMUTE)
		buf[1] |= cAutoMuteFmActive;
	if (t->config & TDA9887_DEEMPHASIS_MASK) {
		buf[2] &= ~0x60;
		switch (t->config & TDA9887_DEEMPHASIS_MASK) {
		case TDA9887_DEEMPHASIS_NONE:
			buf[2] |= cDeemphasisOFF;
			break;
		case TDA9887_DEEMPHASIS_50:
			buf[2] |= cDeemphasisON | cDeemphasis50;
			break;
		case TDA9887_DEEMPHASIS_75:
			buf[2] |= cDeemphasisON | cDeemphasis75;
			break;
		}
	}
	return 0;
}

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

static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
{
	unsigned int bCarrierMode = UNSET;

	if (t->std & V4L2_STD_625_50) {
		if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
			bCarrierMode = cIntercarrier;
		} else {
			bCarrierMode = cQSS;
		}
	}
	if (t->std & V4L2_STD_525_60) {
                if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
			bCarrierMode = cIntercarrier;
		} else {
			bCarrierMode = cQSS;
                }
	}

	if (bCarrierMode != UNSET) {
		buf[1] &= ~0x04;
		buf[1] |= bCarrierMode;
	}
	return 0;
}

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

static char pal[] = "-";
module_param_string(pal, pal, sizeof(pal), 0644);
static char secam[] = "-";
module_param_string(secam, secam, sizeof(secam), 0644);

static int tda9887_fixup_std(struct tda9887 *t)
{
	/* get more precise norm info from insmod option */
	if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
		switch (pal[0]) {
		case 'b':
		case 'B':
		case 'g':
		case 'G':
			dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
			t->std = V4L2_STD_PAL_BG;
			break;
		case 'i':
		case 'I':
			dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
			t->std = V4L2_STD_PAL_I;
			break;
		case 'd':
		case 'D':
		case 'k':
		case 'K':
			dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
			t->std = V4L2_STD_PAL_DK;
			break;
		}
	}
	if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
		switch (secam[0]) {
		case 'd':
		case 'D':
		case 'k':
		case 'K':
			dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
			t->std = V4L2_STD_SECAM_DK;
			break;
		case 'l':
		case 'L':
			dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
			t->std = V4L2_STD_SECAM_L;
			break;
		}
	}
	return 0;
}

static int tda9887_status(struct tda9887 *t)
{
	unsigned char buf[1];
	int rc;

	memset(buf,0,sizeof(buf));
        if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
                printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
	dump_read_message(buf);
	return 0;
}

static int tda9887_configure(struct tda9887 *t)
{
	unsigned char buf[4];
	int rc;

	memset(buf,0,sizeof(buf));
	tda9887_set_tvnorm(t,buf);

	buf[1] |= cOutputPort1Inactive;
	buf[1] |= cOutputPort2Inactive;

	if (UNSET != t->pinnacle_id) {
		tda9887_set_pinnacle(t,buf);
	}
	tda9887_set_config(t,buf);
	tda9887_set_insmod(t,buf);


	dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
		buf[1],buf[2],buf[3]);
	if (debug > 1)
		dump_write_message(buf);

        if (4 != (rc = i2c_master_send(&t->client,buf,4)))
                printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);

	if (debug > 2) {
		msleep_interruptible(1000);
		tda9887_status(t);
	}
	return 0;
}

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

static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
{
	struct tda9887 *t;

        client_template.adapter = adap;
        client_template.addr    = addr;

        printk(PREFIX "chip found @ 0x%x\n", addr<<1);

        if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
                return -ENOMEM;
	memset(t,0,sizeof(*t));

	t->client      = client_template;
	t->std         = 0;
	t->pinnacle_id = UNSET;
	t->radio_mode = V4L2_TUNER_MODE_STEREO;

	i2c_set_clientdata(&t->client, t);
	i2c_attach_client(&t->client);

	return 0;
}

static int tda9887_probe(struct i2c_adapter *adap)
{
#ifdef I2C_CLASS_TV_ANALOG
	if (adap->class & I2C_CLASS_TV_ANALOG)
		return i2c_probe(adap, &addr_data, tda9887_attach);
#else
	switch (adap->id) {
	case I2C_HW_B_BT848:
	case I2C_HW_B_RIVA:
	case I2C_HW_SAA7134:
		return i2c_probe(adap, &addr_data, tda9887_attach);
		break;
	}
#endif
	return 0;
}

static int tda9887_detach(struct i2c_client *client)
{
	struct tda9887 *t = i2c_get_clientdata(client);

	i2c_detach_client(client);
	kfree(t);
	return 0;
}

#define SWITCH_V4L2	if (!t->using_v4l2 && debug) \
		          printk(PREFIX "switching to v4l2\n"); \
	                  t->using_v4l2 = 1;
#define CHECK_V4L2	if (t->using_v4l2) { if (debug) \
			  printk(PREFIX "ignore v4l1 call\n"); \
		          return 0; }

static int
tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
	struct tda9887 *t = i2c_get_clientdata(client);

        switch (cmd) {

	/* --- configuration --- */
	case AUDC_SET_RADIO:
		t->radio = 1;
		tda9887_configure(t);
		break;

	case AUDC_CONFIG_PINNACLE:
	{
		int *i = arg;

		t->pinnacle_id = *i;
		tda9887_configure(t);
		break;
	}
	case TDA9887_SET_CONFIG:
	{
		int *i = arg;

		t->config = *i;
		tda9887_configure(t);
		break;
	}
	/* --- v4l ioctls --- */
	/* take care: bttv does userspace copying, we'll get a
	   kernel pointer here... */
	case VIDIOCSCHAN:
	{
		static const v4l2_std_id map[] = {
			[ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
			[ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
			[ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
			[ 4 /* bttv */     ] = V4L2_STD_PAL_M,
			[ 5 /* bttv */     ] = V4L2_STD_PAL_N,
			[ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
		};
		struct video_channel *vc = arg;

		CHECK_V4L2;
		t->radio = 0;
		if (vc->norm < ARRAY_SIZE(map))
			t->std = map[vc->norm];
		tda9887_fixup_std(t);
		tda9887_configure(t);
		break;
	}
	case VIDIOC_S_STD:
	{
		v4l2_std_id *id = arg;

		SWITCH_V4L2;
		t->radio = 0;
		t->std   = *id;
		tda9887_fixup_std(t);
		tda9887_configure(t);
		break;
	}
	case VIDIOC_S_FREQUENCY:
	{
		struct v4l2_frequency *f = arg;

		SWITCH_V4L2;
		if (V4L2_TUNER_ANALOG_TV == f->type) {
			if (t->radio == 0)
				return 0;
			t->radio = 0;
		}
		if (V4L2_TUNER_RADIO == f->type) {
			if (t->radio == 1)
				return 0;
			t->radio = 1;
		}
		tda9887_configure(t);
		break;
	}
	case VIDIOC_G_TUNER:
	{
		static int AFC_BITS_2_kHz[] = {
			-12500,  -37500,  -62500,  -97500,
			-112500, -137500, -162500, -187500,
			187500,  162500,  137500,  112500,
			97500 ,  62500,   37500 ,  12500
		};
		struct v4l2_tuner* tuner = arg;

		if (t->radio) {
			__u8 reg = 0;
			tuner->afc=0;
			if (1 == i2c_master_recv(&t->client,&reg,1))
				tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
		}
		break;
	}
	case VIDIOC_S_TUNER:
	{
		struct v4l2_tuner* tuner = arg;

		if (t->radio) {
			t->radio_mode = tuner->audmode;
			tda9887_configure (t);
		}
		break;
	}
	default:
		/* nothing */
		break;
	}
	return 0;
}

static int tda9887_suspend(struct device * dev, pm_message_t state, u32 level)
{
	dprintk("tda9887: suspend\n");
	return 0;
}

static int tda9887_resume(struct device * dev, u32 level)
{
	struct i2c_client *c = container_of(dev, struct i2c_client, dev);
	struct tda9887 *t = i2c_get_clientdata(c);

	dprintk("tda9887: resume\n");
	tda9887_configure(t);
	return 0;
}

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

static struct i2c_driver driver = {
	.owner          = THIS_MODULE,
        .name           = "i2c tda9887 driver",
        .id             = -1, /* FIXME */
        .flags          = I2C_DF_NOTIFY,
        .attach_adapter = tda9887_probe,
        .detach_client  = tda9887_detach,
        .command        = tda9887_command,
	.driver = {
		.suspend = tda9887_suspend,
		.resume  = tda9887_resume,
	},
};
static struct i2c_client client_template =
{
	.name      = "tda9887",
	.flags     = I2C_CLIENT_ALLOW_USE,
        .driver    = &driver,
};

static int __init tda9887_init_module(void)
{
	return i2c_add_driver(&driver);
}

static void __exit tda9887_cleanup_module(void)
{
	i2c_del_driver(&driver);
}

module_init(tda9887_init_module);
module_exit(tda9887_cleanup_module);

/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4 LT	1	#include <linux/module.h>
	2	#include <linux/moduleparam.h>
	3	#include <linux/kernel.h>
	4	#include <linux/i2c.h>
	5	#include <linux/types.h>
	6	#include <linux/videodev.h>
	7	#include <linux/init.h>
	8	#include <linux/errno.h>
	9	#include <linux/slab.h>
	10	#include <linux/delay.h>
	11
	12	#include <media/audiochip.h>
	13	#include <media/tuner.h>
	14	#include <media/id.h>
	15
	16	/* Chips:
	17	TDA9885 (PAL, NTSC)
	18	TDA9886 (PAL, SECAM, NTSC)
	19	TDA9887 (PAL, SECAM, NTSC, FM Radio)
	20
	21	found on:
	22	- Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
	23	TDA9887 (world), TDA9885 (USA)
	24	Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
	25	- KNC One TV-Station RDS (saa7134)
	26	*/
	27
	28
	29	/* Addresses to scan */
	30	static unsigned short normal_i2c[] = {
	31	0x84 >>1,
	32	0x86 >>1,
	33	0x96 >>1,
	34	I2C_CLIENT_END,
	35	};
1da177e4 LT	36	I2C_CLIENT_INSMOD;
	37
	38	/* insmod options */
	39	static unsigned int debug = 0;
	40	module_param(debug, int, 0644);
	41	MODULE_LICENSE("GPL");
	42
	43	/* ---------------------------------------------------------------------- */
	44
	45	#define UNSET (-1U)
	46	#define PREFIX "tda9885/6/7: "
	47	#define dprintk if (debug) printk
	48
	49	struct tda9887 {
	50	struct i2c_client client;
	51	v4l2_std_id std;
	52	unsigned int radio;
	53	unsigned int config;
	54	unsigned int pinnacle_id;
	55	unsigned int using_v4l2;
56fc08ca	56	unsigned int radio_mode;
1da177e4 LT	57	};
	58
	59	struct tvnorm {
	60	v4l2_std_id std;
	61	char *name;
	62	unsigned char b;
	63	unsigned char c;
	64	unsigned char e;
	65	};
	66
	67	static struct i2c_driver driver;
	68	static struct i2c_client client_template;
	69
	70	/* ---------------------------------------------------------------------- */
	71
	72	//
	73	// TDA defines
	74	//
	75
	76	//// first reg (b)
	77	#define cVideoTrapBypassOFF 0x00 // bit b0
	78	#define cVideoTrapBypassON 0x01 // bit b0
	79
	80	#define cAutoMuteFmInactive 0x00 // bit b1
	81	#define cAutoMuteFmActive 0x02 // bit b1
	82
	83	#define cIntercarrier 0x00 // bit b2
	84	#define cQSS 0x04 // bit b2
	85
	86	#define cPositiveAmTV 0x00 // bit b3:4
	87	#define cFmRadio 0x08 // bit b3:4
	88	#define cNegativeFmTV 0x10 // bit b3:4
	89
	90
	91	#define cForcedMuteAudioON 0x20 // bit b5
	92	#define cForcedMuteAudioOFF 0x00 // bit b5
	93
	94	#define cOutputPort1Active 0x00 // bit b6
	95	#define cOutputPort1Inactive 0x40 // bit b6
	96
	97	#define cOutputPort2Active 0x00 // bit b7
	98	#define cOutputPort2Inactive 0x80 // bit b7
	99
	100
	101	//// second reg (c)
	102	#define cDeemphasisOFF 0x00 // bit c5
	103	#define cDeemphasisON 0x20 // bit c5
	104
	105	#define cDeemphasis75 0x00 // bit c6
	106	#define cDeemphasis50 0x40 // bit c6
	107
	108	#define cAudioGain0 0x00 // bit c7
	109	#define cAudioGain6 0x80 // bit c7
	110
	111
	112	//// third reg (e)
	113	#define cAudioIF_4_5 0x00 // bit e0:1
	114	#define cAudioIF_5_5 0x01 // bit e0:1
	115	#define cAudioIF_6_0 0x02 // bit e0:1
	116	#define cAudioIF_6_5 0x03 // bit e0:1
	117
	118
	119	#define cVideoIF_58_75 0x00 // bit e2:4
	120	#define cVideoIF_45_75 0x04 // bit e2:4
121	#define cVideoIF_38_90 0x08 // bit e2:4
122	#define cVideoIF_38_00 0x0C // bit e2:4
123	#define cVideoIF_33_90 0x10 // bit e2:4
124	#define cVideoIF_33_40 0x14 // bit e2:4
125	#define cRadioIF_45_75 0x18 // bit e2:4
126	#define cRadioIF_38_90 0x1C // bit e2:4
127
128
129	#define cTunerGainNormal 0x00 // bit e5
130	#define cTunerGainLow 0x20 // bit e5
131
132	#define cGating_18 0x00 // bit e6
133	#define cGating_36 0x40 // bit e6
134
135	#define cAgcOutON 0x80 // bit e7
136	#define cAgcOutOFF 0x00 // bit e7
137
138	/* ---------------------------------------------------------------------- */
139
140	static struct tvnorm tvnorms[] = {
141	{
142	.std = V4L2_STD_PAL_BG,
143	.name = "PAL-BG",
144	.b = ( cNegativeFmTV \|
145	cQSS ),
146	.c = ( cDeemphasisON \|
147	cDeemphasis50 ),
148	.e = ( cAudioIF_5_5 \|
149	cVideoIF_38_90 ),
150	},{
151	.std = V4L2_STD_PAL_I,
152	.name = "PAL-I",
153	.b = ( cNegativeFmTV \|
154	cQSS ),
155	.c = ( cDeemphasisON \|
156	cDeemphasis50 ),
157	.e = ( cAudioIF_6_0 \|
158	cVideoIF_38_90 ),
159	},{
160	.std = V4L2_STD_PAL_DK,
161	.name = "PAL-DK",
162	.b = ( cNegativeFmTV \|
163	cQSS ),
164	.c = ( cDeemphasisON \|
165	cDeemphasis50 ),
166	.e = ( cAudioIF_6_5 \|
167	cVideoIF_38_00 ),
168	},{
169	.std = V4L2_STD_PAL_M \| V4L2_STD_PAL_N,
170	.name = "PAL-M/N",
171	.b = ( cNegativeFmTV \|
172	cQSS ),
173	.c = ( cDeemphasisON \|
174	cDeemphasis75 ),
175	.e = ( cAudioIF_4_5 \|
176	cVideoIF_45_75 ),
177	},{
178	.std = V4L2_STD_SECAM_L,
179	.name = "SECAM-L",
180	.b = ( cPositiveAmTV \|
181	cQSS ),
182	.e = ( cAudioIF_6_5 \|
183	cVideoIF_38_90 ),
184	},{
185	.std = V4L2_STD_SECAM_DK,
186	.name = "SECAM-DK",
187	.b = ( cNegativeFmTV \|
188	cQSS ),
189	.c = ( cDeemphasisON \|
190	cDeemphasis50 ),
191	.e = ( cAudioIF_6_5 \|
192	cVideoIF_38_00 ),
193	},{
194	.std = V4L2_STD_NTSC_M,
195	.name = "NTSC-M",
196	.b = ( cNegativeFmTV \|
197	cQSS ),
198	.c = ( cDeemphasisON \|
199	cDeemphasis50 ),
200	.e = ( cGating_36 \|
201	cAudioIF_4_5 \|
202	cVideoIF_45_75 ),
203	},{
204	.std = V4L2_STD_NTSC_M_JP,
205	.name = "NTSC-JP",
206	.b = ( cNegativeFmTV \|
207	cQSS ),
208	.c = ( cDeemphasisON \|
209	cDeemphasis50 ),
210	.e = ( cGating_36 \|
211	cAudioIF_4_5 \|
212	cVideoIF_58_75 ),
213	}
214	};
215
56fc08ca MCC	216	static struct tvnorm radio_stereo = {
	217	.name = "Radio Stereo",
	218	.b = ( cFmRadio \|
	219	cQSS ),
	220	.c = ( cDeemphasisOFF \|
	221	cAudioGain6 ),
	222	.e = ( cAudioIF_5_5 \|
	223	cRadioIF_38_90 ),
	224	};
	225
	226	static struct tvnorm radio_mono = {
	227	.name = "Radio Mono",
1da177e4 LT	228	.b = ( cFmRadio \|
	229	cQSS ),
	230	.c = ( cDeemphasisON \|
56fc08ca	231	cDeemphasis50),
1da177e4 LT	232	.e = ( cAudioIF_5_5 \|
	233	cRadioIF_38_90 ),
	234	};
	235
	236	/* ---------------------------------------------------------------------- */
	237
	238	static void dump_read_message(unsigned char *buf)
	239	{
	240	static char *afc[16] = {
	241	"- 12.5 kHz",
	242	"- 37.5 kHz",
	243	"- 62.5 kHz",
	244	"- 87.5 kHz",
	245	"-112.5 kHz",
	246	"-137.5 kHz",
	247	"-162.5 kHz",
	248	"-187.5 kHz [min]",
	249	"+187.5 kHz [max]",
	250	"+162.5 kHz",
	251	"+137.5 kHz",
	252	"+112.5 kHz",
	253	"+ 87.5 kHz",
	254	"+ 62.5 kHz",
	255	"+ 37.5 kHz",
	256	"+ 12.5 kHz",
	257	};
	258	printk(PREFIX "read: 0x%2x\n", buf[0]);
	259	printk(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
	260	printk(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]);
	261	printk(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low");
	262	printk(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out");
	263	printk(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low");
	264	}
	265
	266	static void dump_write_message(unsigned char *buf)
	267	{
	268	static char *sound[4] = {
	269	"AM/TV",
	270	"FM/radio",
	271	"FM/TV",
	272	"FM/radio"
	273	};
	274	static char *adjust[32] = {
	275	"-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
	276	"-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
	277	"0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
	278	"+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
	279	};
	280	static char *deemph[4] = {
	281	"no", "no", "75", "50"
	282	};
	283	static char *carrier[4] = {
	284	"4.5 MHz",
	285	"5.5 MHz",
	286	"6.0 MHz",
	287	"6.5 MHz / AM"
	288	};
	289	static char *vif[8] = {
	290	"58.75 MHz",
	291	"45.75 MHz",
	292	"38.9 MHz",
	293	"38.0 MHz",
	294	"33.9 MHz",
	295	"33.4 MHz",
296	"45.75 MHz + pin13",
297	"38.9 MHz + pin13",
298	};
299	static char *rif[4] = {
300	"44 MHz",
301	"52 MHz",
302	"52 MHz",
303	"44 MHz",
304	};
305
306	printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
307	printk(" B0 video mode : %s\n",
308	(buf[1] & 0x01) ? "video trap" : "sound trap");
309	printk(" B1 auto mute fm : %s\n",
310	(buf[1] & 0x02) ? "yes" : "no");
311	printk(" B2 carrier mode : %s\n",
312	(buf[1] & 0x04) ? "QSS" : "Intercarrier");
313	printk(" B3-4 tv sound/radio : %s\n",
314	sound[(buf[1] & 0x18) >> 3]);
315	printk(" B5 force mute audio: %s\n",
316	(buf[1] & 0x20) ? "yes" : "no");
317	printk(" B6 output port 1 : %s\n",
318	(buf[1] & 0x40) ? "high (inactive)" : "low (active)");
319	printk(" B7 output port 2 : %s\n",
320	(buf[1] & 0x80) ? "high (inactive)" : "low (active)");
321
322	printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
323	printk(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]);
324	printk(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]);
325	printk(" C7 audio gain : %s\n",
326	(buf[2] & 0x80) ? "-6" : "0");
327
328	printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
329	printk(" E0-1 sound carrier : %s\n",
330	carrier[(buf[3] & 0x03)]);
331	printk(" E6 l pll ganting : %s\n",
332	(buf[3] & 0x40) ? "36" : "13");
333
334	if (buf[1] & 0x08) {
335	/* radio */
336	printk(" E2-4 video if : %s\n",
337	rif[(buf[3] & 0x0c) >> 2]);
338	printk(" E7 vif agc output : %s\n",
339	(buf[3] & 0x80)
340	? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
341	: "fm radio carrier afc");
342	} else {
343	/* video */
344	printk(" E2-4 video if : %s\n",
345	vif[(buf[3] & 0x1c) >> 2]);
346	printk(" E5 tuner gain : %s\n",
347	(buf[3] & 0x80)
348	? ((buf[3] & 0x20) ? "external" : "normal")
349	: ((buf[3] & 0x20) ? "minimum" : "normal"));
350	printk(" E7 vif agc output : %s\n",
351	(buf[3] & 0x80)
352	? ((buf[3] & 0x20)
353	? "pin3 port, pin22 vif agc out"
354	: "pin22 port, pin3 vif acg ext in")
355	: "pin3+pin22 port");
356	}
357	printk("--\n");
358	}
359
360	/* ---------------------------------------------------------------------- */
361
362	static int tda9887_set_tvnorm(struct tda9887 t, char buf)
363	{
364	struct tvnorm *norm = NULL;
365	int i;
366
367	if (t->radio) {
56fc08ca MCC	368	if (t->radio_mode == V4L2_TUNER_MODE_MONO)
	369	norm = &radio_mono;
	370	else
586b0cab	371	norm = &radio_stereo;
1da177e4 LT	372	} else {
	373	for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
	374	if (tvnorms[i].std & t->std) {
	375	norm = tvnorms+i;
	376	break;
	377	}
	378	}
	379	}
	380	if (NULL == norm) {
	381	dprintk(PREFIX "Oops: no tvnorm entry found\n");
	382	return -1;
	383	}
	384
	385	dprintk(PREFIX "configure for: %s\n",norm->name);
	386	buf[1] = norm->b;
	387	buf[2] = norm->c;
	388	buf[3] = norm->e;
	389	return 0;
	390	}
	391
	392	static unsigned int port1 = UNSET;
	393	static unsigned int port2 = UNSET;
	394	static unsigned int qss = UNSET;
	395	static unsigned int adjust = 0x10;
	396	module_param(port1, int, 0644);
	397	module_param(port2, int, 0644);
	398	module_param(qss, int, 0644);
	399	module_param(adjust, int, 0644);
	400
	401	static int tda9887_set_insmod(struct tda9887 t, char buf)
	402	{
	403	if (UNSET != port1) {
	404	if (port1)
	405	buf[1] \|= cOutputPort1Inactive;
	406	else
	407	buf[1] &= ~cOutputPort1Inactive;
	408	}
	409	if (UNSET != port2) {
	410	if (port2)
	411	buf[1] \|= cOutputPort2Inactive;
	412	else
	413	buf[1] &= ~cOutputPort2Inactive;
	414	}
	415
	416	if (UNSET != qss) {
	417	if (qss)
	418	buf[1] \|= cQSS;
	419	else
	420	buf[1] &= ~cQSS;
	421	}
	422
	423	if (adjust >= 0x00 && adjust < 0x20)
	424	buf[2] \|= adjust;
	425	return 0;
	426	}
	427
	428	static int tda9887_set_config(struct tda9887 t, char buf)
	429	{
	430	if (t->config & TDA9887_PORT1_ACTIVE)
	431	buf[1] &= ~cOutputPort1Inactive;
	432	if (t->config & TDA9887_PORT1_INACTIVE)
	433	buf[1] \|= cOutputPort1Inactive;
	434	if (t->config & TDA9887_PORT2_ACTIVE)
	435	buf[1] &= ~cOutputPort2Inactive;
436	if (t->config & TDA9887_PORT2_INACTIVE)
437	buf[1] \|= cOutputPort2Inactive;
438
439	if (t->config & TDA9887_QSS)
440	buf[1] \|= cQSS;
441	if (t->config & TDA9887_INTERCARRIER)
442	buf[1] &= ~cQSS;
443
444	if (t->config & TDA9887_AUTOMUTE)
445	buf[1] \|= cAutoMuteFmActive;
446	if (t->config & TDA9887_DEEMPHASIS_MASK) {
447	buf[2] &= ~0x60;
448	switch (t->config & TDA9887_DEEMPHASIS_MASK) {
449	case TDA9887_DEEMPHASIS_NONE:
450	buf[2] \|= cDeemphasisOFF;
451	break;
452	case TDA9887_DEEMPHASIS_50:
453	buf[2] \|= cDeemphasisON \| cDeemphasis50;
454	break;
455	case TDA9887_DEEMPHASIS_75:
456	buf[2] \|= cDeemphasisON \| cDeemphasis75;
457	break;
458	}
459	}
460	return 0;
461	}
462
463	/* ---------------------------------------------------------------------- */
464
465	static int tda9887_set_pinnacle(struct tda9887 t, char buf)
466	{
467	unsigned int bCarrierMode = UNSET;
468
469	if (t->std & V4L2_STD_625_50) {
470	if ((1 == t->pinnacle_id) \|\| (7 == t->pinnacle_id)) {
471	bCarrierMode = cIntercarrier;
472	} else {
473	bCarrierMode = cQSS;
474	}
475	}
476	if (t->std & V4L2_STD_525_60) {
477	if ((5 == t->pinnacle_id) \|\| (6 == t->pinnacle_id)) {
478	bCarrierMode = cIntercarrier;
479	} else {
480	bCarrierMode = cQSS;
481	}
482	}
483
484	if (bCarrierMode != UNSET) {
485	buf[1] &= ~0x04;
486	buf[1] \|= bCarrierMode;
487	}
488	return 0;
489	}
490
491	/* ---------------------------------------------------------------------- */
492
493	static char pal[] = "-";
975e046c	494	module_param_string(pal, pal, sizeof(pal), 0644);
1da177e4	495	static char secam[] = "-";
975e046c	496	module_param_string(secam, secam, sizeof(secam), 0644);
1da177e4 LT	497
	498	static int tda9887_fixup_std(struct tda9887 *t)
	499	{
	500	/* get more precise norm info from insmod option */
	501	if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
	502	switch (pal[0]) {
	503	case 'b':
	504	case 'B':
	505	case 'g':
	506	case 'G':
	507	dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
	508	t->std = V4L2_STD_PAL_BG;
	509	break;
	510	case 'i':
	511	case 'I':
	512	dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
	513	t->std = V4L2_STD_PAL_I;
	514	break;
	515	case 'd':
	516	case 'D':
	517	case 'k':
	518	case 'K':
	519	dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
	520	t->std = V4L2_STD_PAL_DK;
	521	break;
	522	}
	523	}
	524	if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
	525	switch (secam[0]) {
	526	case 'd':
	527	case 'D':
	528	case 'k':
	529	case 'K':
	530	dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
	531	t->std = V4L2_STD_SECAM_DK;
	532	break;
	533	case 'l':
	534	case 'L':
	535	dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
	536	t->std = V4L2_STD_SECAM_L;
	537	break;
	538	}
	539	}
	540	return 0;
	541	}
	542
	543	static int tda9887_status(struct tda9887 *t)
	544	{
	545	unsigned char buf[1];
	546	int rc;
	547
	548	memset(buf,0,sizeof(buf));
	549	if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
	550	printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
	551	dump_read_message(buf);
	552	return 0;
	553	}
	554
	555	static int tda9887_configure(struct tda9887 *t)
	556	{
	557	unsigned char buf[4];
	558	int rc;
	559
	560	memset(buf,0,sizeof(buf));
561	tda9887_set_tvnorm(t,buf);
56fc08ca	562
1da177e4 LT	563	buf[1] \|= cOutputPort1Inactive;
1da177e4 LT	564	buf[1] \|= cOutputPort2Inactive;
56fc08ca	565
1da177e4 LT	566	if (UNSET != t->pinnacle_id) {
	567	tda9887_set_pinnacle(t,buf);
	568	}
	569	tda9887_set_config(t,buf);
	570	tda9887_set_insmod(t,buf);
	571
1da177e4 LT	572
	573	dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
	574	buf[1],buf[2],buf[3]);
	575	if (debug > 1)
	576	dump_write_message(buf);
	577
	578	if (4 != (rc = i2c_master_send(&t->client,buf,4)))
	579	printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);
	580
	581	if (debug > 2) {
	582	msleep_interruptible(1000);
	583	tda9887_status(t);
	584	}
	585	return 0;
	586	}
	587
	588	/* ---------------------------------------------------------------------- */
	589
	590	static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
	591	{
	592	struct tda9887 *t;
	593
	594	client_template.adapter = adap;
	595	client_template.addr = addr;
	596
	597	printk(PREFIX "chip found @ 0x%x\n", addr<<1);
	598
	599	if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
	600	return -ENOMEM;
	601	memset(t,0,sizeof(*t));
56fc08ca	602
1da177e4 LT	603	t->client = client_template;
	604	t->std = 0;
	605	t->pinnacle_id = UNSET;
56fc08ca MCC	606	t->radio_mode = V4L2_TUNER_MODE_STEREO;
56fc08ca MCC	607
586b0cab MCC	608	i2c_set_clientdata(&t->client, t);
586b0cab MCC	609	i2c_attach_client(&t->client);
1da177e4 LT	610
	611	return 0;
	612	}
	613
	614	static int tda9887_probe(struct i2c_adapter *adap)
	615	{
	616	#ifdef I2C_CLASS_TV_ANALOG
	617	if (adap->class & I2C_CLASS_TV_ANALOG)
	618	return i2c_probe(adap, &addr_data, tda9887_attach);
	619	#else
	620	switch (adap->id) {
c7a46533 JD	621	case I2C_HW_B_BT848:
c7a46533 JD	622	case I2C_HW_B_RIVA:
1684a984	623	case I2C_HW_SAA7134:
1da177e4 LT	624	return i2c_probe(adap, &addr_data, tda9887_attach);
	625	break;
	626	}
	627	#endif
	628	return 0;
	629	}
	630
	631	static int tda9887_detach(struct i2c_client *client)
	632	{
	633	struct tda9887 *t = i2c_get_clientdata(client);
	634
	635	i2c_detach_client(client);
	636	kfree(t);
	637	return 0;
	638	}
	639
	640	#define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
	641	printk(PREFIX "switching to v4l2\n"); \
	642	t->using_v4l2 = 1;
	643	#define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
	644	printk(PREFIX "ignore v4l1 call\n"); \
	645	return 0; }
	646
	647	static int
	648	tda9887_command(struct i2c_client client, unsigned int cmd, void arg)
	649	{
	650	struct tda9887 *t = i2c_get_clientdata(client);
	651
	652	switch (cmd) {
	653
	654	/* --- configuration --- */
	655	case AUDC_SET_RADIO:
	656	t->radio = 1;
	657	tda9887_configure(t);
	658	break;
	659
	660	case AUDC_CONFIG_PINNACLE:
	661	{
	662	int *i = arg;
	663
	664	t->pinnacle_id = *i;
	665	tda9887_configure(t);
	666	break;
	667	}
	668	case TDA9887_SET_CONFIG:
	669	{
	670	int *i = arg;
	671
	672	t->config = *i;
	673	tda9887_configure(t);
	674	break;
	675	}
	676	/* --- v4l ioctls --- */
	677	/* take care: bttv does userspace copying, we'll get a
	678	kernel pointer here... */
	679	case VIDIOCSCHAN:
	680	{
	681	static const v4l2_std_id map[] = {
	682	[ VIDEO_MODE_PAL ] = V4L2_STD_PAL,
	683	[ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M,
	684	[ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
	685	[ 4 /* bttv */ ] = V4L2_STD_PAL_M,
	686	[ 5 /* bttv */ ] = V4L2_STD_PAL_N,
	687	[ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
688	};
689	struct video_channel *vc = arg;
690
691	CHECK_V4L2;
692	t->radio = 0;
693	if (vc->norm < ARRAY_SIZE(map))
694	t->std = map[vc->norm];
695	tda9887_fixup_std(t);
696	tda9887_configure(t);
697	break;
698	}
699	case VIDIOC_S_STD:
700	{
701	v4l2_std_id *id = arg;
702
703	SWITCH_V4L2;
704	t->radio = 0;
705	t->std = *id;
706	tda9887_fixup_std(t);
707	tda9887_configure(t);
708	break;
709	}
710	case VIDIOC_S_FREQUENCY:
711	{
712	struct v4l2_frequency *f = arg;
713
714	SWITCH_V4L2;
715	if (V4L2_TUNER_ANALOG_TV == f->type) {
716	if (t->radio == 0)
717	return 0;
718	t->radio = 0;
719	}
720	if (V4L2_TUNER_RADIO == f->type) {
721	if (t->radio == 1)
722	return 0;
723	t->radio = 1;
724	}
725	tda9887_configure(t);
726	break;
727	}
728	case VIDIOC_G_TUNER:
729	{
730	static int AFC_BITS_2_kHz[] = {
731	-12500, -37500, -62500, -97500,
732	-112500, -137500, -162500, -187500,
733	187500, 162500, 137500, 112500,
734	97500 , 62500, 37500 , 12500
735	};
736	struct v4l2_tuner* tuner = arg;
737
738	if (t->radio) {
739	__u8 reg = 0;
740	tuner->afc=0;
741	if (1 == i2c_master_recv(&t->client,&reg,1))
742	tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
743	}
744	break;
745	}
56fc08ca MCC	746	case VIDIOC_S_TUNER:
	747	{
	748	struct v4l2_tuner* tuner = arg;
	749
	750	if (t->radio) {
	751	t->radio_mode = tuner->audmode;
	752	tda9887_configure (t);
	753	}
	754	break;
	755	}
1da177e4 LT	756	default:
	757	/* nothing */
	758	break;
	759	}
	760	return 0;
	761	}
	762
829ca9a3	763	static int tda9887_suspend(struct device * dev, pm_message_t state, u32 level)
1da177e4 LT	764	{
	765	dprintk("tda9887: suspend\n");
	766	return 0;
	767	}
	768
	769	static int tda9887_resume(struct device * dev, u32 level)
	770	{
	771	struct i2c_client *c = container_of(dev, struct i2c_client, dev);
	772	struct tda9887 *t = i2c_get_clientdata(c);
	773
	774	dprintk("tda9887: resume\n");
	775	tda9887_configure(t);
	776	return 0;
	777	}
	778
	779	/* ----------------------------------------------------------------------- */
	780
	781	static struct i2c_driver driver = {
	782	.owner = THIS_MODULE,
	783	.name = "i2c tda9887 driver",
	784	.id = -1, /* FIXME */
	785	.flags = I2C_DF_NOTIFY,
	786	.attach_adapter = tda9887_probe,
	787	.detach_client = tda9887_detach,
	788	.command = tda9887_command,
	789	.driver = {
	790	.suspend = tda9887_suspend,
	791	.resume = tda9887_resume,
	792	},
	793	};
	794	static struct i2c_client client_template =
	795	{
fae91e72	796	.name = "tda9887",
1da177e4 LT	797	.flags = I2C_CLIENT_ALLOW_USE,
	798	.driver = &driver,
	799	};
	800
	801	static int __init tda9887_init_module(void)
	802	{
	803	return i2c_add_driver(&driver);
	804	}
	805
	806	static void __exit tda9887_cleanup_module(void)
	807	{
	808	i2c_del_driver(&driver);
	809	}
	810
	811	module_init(tda9887_init_module);
	812	module_exit(tda9887_cleanup_module);
	813
	814	/*
	815	* Overrides for Emacs so that we follow Linus's tabbing style.
	816	* ---------------------------------------------------------------------------
	817	* Local variables:
	818	* c-basic-offset: 8
	819	* End:
	820	*/