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Commit df8f1be1 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] af9035: IT9135 dual tuner related changes 



Now it supports IT9135 based dual tuner devices.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent fe8eece1

drivers/media/usb/dvb-usb-v2/af9035.c

+100 −101
Original line number Diff line number Diff line
@@ -320,8 +320,10 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name) 
			*name = AF9035_FIRMWARE_IT9135_V2;

		else

			*name = AF9035_FIRMWARE_IT9135_V1;

		state->eeprom_addr = EEPROM_BASE_IT9135;

	} else {

		*name = AF9035_FIRMWARE_AF9035;

		state->eeprom_addr = EEPROM_BASE_AF9035;

	}



	ret = af9035_ctrl_msg(d, &req);
@@ -347,62 +349,13 @@ static int af9035_download_firmware_af9035(struct dvb_usb_device *d, 
{

	int ret, i, j, len;

	u8 wbuf[1];

	u8 rbuf[4];

	struct usb_req req = { 0, 0, 0, NULL, 0, NULL };

	struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };

	struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;

	u8 hdr_core, tmp;

	u8 hdr_core;

	u16 hdr_addr, hdr_data_len, hdr_checksum;

	#define MAX_DATA 58

	#define HDR_SIZE 7



	/*

	 * In case of dual tuner configuration we need to do some extra

	 * initialization in order to download firmware to slave demod too,

	 * which is done by master demod.

	 * Master feeds also clock and controls power via GPIO.

	 */

	ret = af9035_rd_reg(d, EEPROM_BASE_AF9035 + EEPROM_DUAL_MODE, &tmp);

	if (ret < 0)

		goto err;



	if (tmp) {

		/* configure gpioh1, reset & power slave demod */

		ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);

		if (ret < 0)

			goto err;



		usleep_range(10000, 50000);



		ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);

		if (ret < 0)

			goto err;



		/* tell the slave I2C address */

		ret = af9035_rd_reg(d,

				EEPROM_BASE_AF9035 + EEPROM_2ND_DEMOD_ADDR,

				&tmp);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg(d, 0x00417f, tmp);

		if (ret < 0)

			goto err;



		/* enable clock out */

		ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);

		if (ret < 0)

			goto err;

	}



	/*

	 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!

	 *
@@ -469,28 +422,6 @@ static int af9035_download_firmware_af9035(struct dvb_usb_device *d, 
	if (i)

		dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);



	/* firmware loaded, request boot */

	req.cmd = CMD_FW_BOOT;

	ret = af9035_ctrl_msg(d, &req);

	if (ret < 0)

		goto err;



	/* ensure firmware starts */

	wbuf[0] = 1;

	ret = af9035_ctrl_msg(d, &req_fw_ver);

	if (ret < 0)

		goto err;



	if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {

		dev_err(&d->udev->dev, "%s: firmware did not run\n",

				KBUILD_MODNAME);

		ret = -ENODEV;

		goto err;

	}



	dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",

			KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);



	return 0;



err:
@@ -503,11 +434,7 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d, 
		const struct firmware *fw)

{

	int ret, i, i_prev;

	u8 wbuf[1];

	u8 rbuf[4];

	struct usb_req req = { 0, 0, 0, NULL, 0, NULL };

	struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };

	struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;

	#define HDR_SIZE 7



	/*
@@ -522,7 +449,6 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d, 
	 * 5: addr LSB

	 * 6: count of data bytes ?

	 */



	for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {

		if (i == fw->size ||

				(fw->data[i + 0] == 0x03 &&
@@ -541,6 +467,86 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d, 
		}

	}



	return 0;



err:

	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);



	return ret;

}



static int af9035_download_firmware(struct dvb_usb_device *d,

		const struct firmware *fw)

{

	struct state *state = d_to_priv(d);

	int ret;

	u8 wbuf[1];

	u8 rbuf[4];

	u8 tmp;

	struct usb_req req = { 0, 0, 0, NULL, 0, NULL };

	struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);



	/*

	 * In case of dual tuner configuration we need to do some extra

	 * initialization in order to download firmware to slave demod too,

	 * which is done by master demod.

	 * Master feeds also clock and controls power via GPIO.

	 */

	ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_DUAL_MODE, &tmp);

	if (ret < 0)

		goto err;



	if (tmp) {

		/* configure gpioh1, reset & power slave demod */

		ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);

		if (ret < 0)

			goto err;



		usleep_range(10000, 50000);



		ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);

		if (ret < 0)

			goto err;



		/* tell the slave I2C address */

		ret = af9035_rd_reg(d,

				state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,

				&tmp);

		if (ret < 0)

			goto err;



		if (state->chip_type == 0x9135) {

			ret = af9035_wr_reg(d, 0x004bfb, tmp);

			if (ret < 0)

				goto err;

		} else {

			ret = af9035_wr_reg(d, 0x00417f, tmp);

			if (ret < 0)

				goto err;



			/* enable clock out */

			ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);

			if (ret < 0)

				goto err;

		}

	}



	if (state->chip_type == 0x9135)

		ret = af9035_download_firmware_it9135(d, fw);

	else

		ret = af9035_download_firmware_af9035(d, fw);

	if (ret < 0)

		goto err;



	/* firmware loaded, request boot */

	req.cmd = CMD_FW_BOOT;

	ret = af9035_ctrl_msg(d, &req);
@@ -571,17 +577,6 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d, 
	return ret;

}



static int af9035_download_firmware(struct dvb_usb_device *d,

		const struct firmware *fw)

{

	struct state *state = d_to_priv(d);



	if (state->chip_type == 0x9135)

		return af9035_download_firmware_it9135(d, fw);

	else

		return af9035_download_firmware_af9035(d, fw);

}



static int af9035_read_config(struct dvb_usb_device *d)

{

	struct state *state = d_to_priv(d);
@@ -592,14 +587,17 @@ static int af9035_read_config(struct dvb_usb_device *d) 
	/* demod I2C "address" */

	state->af9033_config[0].i2c_addr = 0x38;

	state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;

	state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;



	/* eeprom memory mapped location */

	if (state->chip_type == 0x9135) {

		if (state->chip_version == 0x02) {

			state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;

			state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;

			tmp16 = 0x00461d;

		} else {

			state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;

			state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;

			tmp16 = 0x00461b;

		}
@@ -678,8 +676,14 @@ static int af9035_read_config(struct dvb_usb_device *d) 


		/* disable dual mode if driver does not support it */

		if (i == 1)

			switch (tmp) {

			switch (state->af9033_config[i].tuner) {

			case AF9033_TUNER_FC0012:

			case AF9033_TUNER_IT9135_38:

			case AF9033_TUNER_IT9135_51:

			case AF9033_TUNER_IT9135_52:

			case AF9033_TUNER_IT9135_60:

			case AF9033_TUNER_IT9135_61:

			case AF9033_TUNER_IT9135_62:

				break;

			default:

				state->dual_mode = false;
@@ -891,6 +895,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap) 
	struct state *state = adap_to_priv(adap);

	struct dvb_usb_device *d = adap_to_d(adap);

	int ret;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);



	if (!state->af9033_config[adap->id].tuner) {

		/* unsupported tuner */
@@ -901,15 +906,6 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap) 
	if (adap->id == 0) {

		state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;

		state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;



		ret = af9035_wr_reg(d, 0x00417f,

				state->af9033_config[1].i2c_addr);

		if (ret < 0)

			goto err;



		ret = af9035_wr_reg(d, 0x00d81a, state->dual_mode);

		if (ret < 0)

			goto err;

	}



	/* attach demodulator */
@@ -1004,6 +1000,8 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap) 
	struct dvb_frontend *fe;

	struct i2c_msg msg[1];

	u8 tuner_addr;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);



	/*

	 * XXX: Hack used in that function: we abuse unused I2C address bit [7]

	 * to carry info about used I2C bus for dual tuner configuration.
@@ -1165,10 +1163,11 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap) 
	case AF9033_TUNER_IT9135_60:

	case AF9033_TUNER_IT9135_61:

	case AF9033_TUNER_IT9135_62:

		/* attach tuner */

		af9035_it913x_config.tuner_id_0 = state->af9033_config[0].tuner;

		fe = dvb_attach(it913x_attach, adap->fe[0],

				&d->i2c_adap, 0x38, &af9035_it913x_config);

		/* attach tuner */

		fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,

				state->af9033_config[adap->id].i2c_addr,

				&af9035_it913x_config);

		break;

	default:

		fe = NULL;

drivers/media/usb/dvb-usb-v2/af9035.h

+2 −1
Original line number Diff line number Diff line
@@ -56,10 +56,11 @@ struct state { 
#define BUF_LEN 64

	u8 buf[BUF_LEN];

	u8 seq; /* packet sequence number */

	bool dual_mode;

	u8 prechip_version;

	u8 chip_version;

	u16 chip_type;

	bool dual_mode;

	u16 eeprom_addr;

	struct af9033_config af9033_config[2];

};