af9035.c 37.2 KB
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/*
 * Afatech AF9035 DVB USB driver
 *
 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License along
 *    with this program; if not, write to the Free Software Foundation, Inc.,
 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "af9035.h"

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

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static u16 af9035_checksum(const u8 *buf, size_t len)
{
	size_t i;
	u16 checksum = 0;

	for (i = 1; i < len; i++) {
		if (i % 2)
			checksum += buf[i] << 8;
		else
			checksum += buf[i];
	}
	checksum = ~checksum;

	return checksum;
}

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static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
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{
#define REQ_HDR_LEN 4 /* send header size */
#define ACK_HDR_LEN 3 /* rece header size */
#define CHECKSUM_LEN 2
#define USB_TIMEOUT 2000
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	struct state *state = d_to_priv(d);
	int ret, wlen, rlen;
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	u16 checksum, tmp_checksum;
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	mutex_lock(&d->usb_mutex);

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	/* buffer overflow check */
	if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
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			req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
		dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n",
				__func__, req->wlen, req->rlen);
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		ret = -EINVAL;
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		goto exit;
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	}

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	state->buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
	state->buf[1] = req->mbox;
	state->buf[2] = req->cmd;
	state->buf[3] = state->seq++;
	memcpy(&state->buf[REQ_HDR_LEN], req->wbuf, req->wlen);
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	wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
	rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
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	/* calc and add checksum */
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	checksum = af9035_checksum(state->buf, state->buf[0] - 1);
	state->buf[state->buf[0] - 1] = (checksum >> 8);
	state->buf[state->buf[0] - 0] = (checksum & 0xff);
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	/* no ack for these packets */
	if (req->cmd == CMD_FW_DL)
		rlen = 0;
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	ret = dvb_usbv2_generic_rw_locked(d,
			state->buf, wlen, state->buf, rlen);
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	if (ret)
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		goto exit;
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	/* no ack for those packets */
	if (req->cmd == CMD_FW_DL)
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		goto exit;
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	/* verify checksum */
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	checksum = af9035_checksum(state->buf, rlen - 2);
	tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1];
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	if (tmp_checksum != checksum) {
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		dev_err(&d->udev->dev, "%s: command=%02x checksum mismatch " \
				"(%04x != %04x)\n", KBUILD_MODNAME, req->cmd,
				tmp_checksum, checksum);
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		ret = -EIO;
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		goto exit;
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	}
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	/* check status */
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	if (state->buf[2]) {
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		/* fw returns status 1 when IR code was not received */
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		if (req->cmd == CMD_IR_GET || state->buf[2] == 1) {
			ret = 1;
			goto exit;
		}
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		dev_dbg(&d->udev->dev, "%s: command=%02x failed fw error=%d\n",
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				__func__, req->cmd, state->buf[2]);
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		ret = -EIO;
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		goto exit;
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	}

	/* read request, copy returned data to return buf */
	if (req->rlen)
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		memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen);
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exit:
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	mutex_unlock(&d->usb_mutex);
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	if (ret < 0)
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		dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
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	return ret;
}

/* write multiple registers */
static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
{
	u8 wbuf[6 + len];
	u8 mbox = (reg >> 16) & 0xff;
	struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };

	wbuf[0] = len;
	wbuf[1] = 2;
	wbuf[2] = 0;
	wbuf[3] = 0;
	wbuf[4] = (reg >> 8) & 0xff;
	wbuf[5] = (reg >> 0) & 0xff;
	memcpy(&wbuf[6], val, len);

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	return af9035_ctrl_msg(d, &req);
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}

/* read multiple registers */
static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
{
	u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
	u8 mbox = (reg >> 16) & 0xff;
	struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };

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	return af9035_ctrl_msg(d, &req);
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}

/* write single register */
static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
{
	return af9035_wr_regs(d, reg, &val, 1);
}

/* read single register */
static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
{
	return af9035_rd_regs(d, reg, val, 1);
}

/* write single register with mask */
static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
		u8 mask)
{
	int ret;
	u8 tmp;

	/* no need for read if whole reg is written */
	if (mask != 0xff) {
		ret = af9035_rd_regs(d, reg, &tmp, 1);
		if (ret)
			return ret;

		val &= mask;
		tmp &= ~mask;
		val |= tmp;
	}

	return af9035_wr_regs(d, reg, &val, 1);
}

static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
		struct i2c_msg msg[], int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
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	struct state *state = d_to_priv(d);
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	int ret;

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

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	/*
	 * I2C sub header is 5 bytes long. Meaning of those bytes are:
	 * 0: data len
	 * 1: I2C addr << 1
	 * 2: reg addr len
	 *    byte 3 and 4 can be used as reg addr
	 * 3: reg addr MSB
	 *    used when reg addr len is set to 2
	 * 4: reg addr LSB
	 *    used when reg addr len is set to 1 or 2
	 *
	 * For the simplify we do not use register addr at all.
	 * NOTE: As a firmware knows tuner type there is very small possibility
	 * there could be some tuner I2C hacks done by firmware and this may
	 * lead problems if firmware expects those bytes are used.
	 */
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	if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
			(msg[1].flags & I2C_M_RD)) {
		if (msg[0].len > 40 || msg[1].len > 40) {
			/* TODO: correct limits > 40 */
			ret = -EOPNOTSUPP;
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		} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
			   (msg[0].addr == state->af9033_config[1].i2c_addr)) {
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			/* demod access via firmware interface */
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			u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
					msg[0].buf[2];
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			if (msg[0].addr == state->af9033_config[1].i2c_addr)
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				reg |= 0x100000;
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			ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
					msg[1].len);
		} else {
			/* I2C */
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			u8 buf[5 + msg[0].len];
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			struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
					buf, msg[1].len, msg[1].buf };
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			req.mbox |= ((msg[0].addr & 0x80)  >>  3);
H
Hans-Frieder Vogt 已提交
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			buf[0] = msg[1].len;
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			buf[1] = msg[0].addr << 1;
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			buf[2] = 0x00; /* reg addr len */
			buf[3] = 0x00; /* reg addr MSB */
			buf[4] = 0x00; /* reg addr LSB */
			memcpy(&buf[5], msg[0].buf, msg[0].len);
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			ret = af9035_ctrl_msg(d, &req);
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		}
	} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
		if (msg[0].len > 40) {
			/* TODO: correct limits > 40 */
			ret = -EOPNOTSUPP;
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		} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
			   (msg[0].addr == state->af9033_config[1].i2c_addr)) {
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			/* demod access via firmware interface */
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			u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
					msg[0].buf[2];
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			if (msg[0].addr == state->af9033_config[1].i2c_addr)
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				reg |= 0x100000;
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			ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
					msg[0].len - 3);
		} else {
			/* I2C */
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			u8 buf[5 + msg[0].len];
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			struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
					0, NULL };
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			req.mbox |= ((msg[0].addr & 0x80)  >>  3);
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			buf[0] = msg[0].len;
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			buf[1] = msg[0].addr << 1;
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			buf[2] = 0x00; /* reg addr len */
			buf[3] = 0x00; /* reg addr MSB */
			buf[4] = 0x00; /* reg addr LSB */
			memcpy(&buf[5], msg[0].buf, msg[0].len);
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			ret = af9035_ctrl_msg(d, &req);
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		}
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	} else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
		if (msg[0].len > 40) {
			/* TODO: correct limits > 40 */
			ret = -EOPNOTSUPP;
		} else {
			/* I2C */
			u8 buf[5];
			struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
					buf, msg[0].len, msg[0].buf };
			req.mbox |= ((msg[0].addr & 0x80)  >>  3);
			buf[0] = msg[0].len;
			buf[1] = msg[0].addr << 1;
			buf[2] = 0x00; /* reg addr len */
			buf[3] = 0x00; /* reg addr MSB */
			buf[4] = 0x00; /* reg addr LSB */
			ret = af9035_ctrl_msg(d, &req);
		}
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	} else {
		/*
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		 * We support only three kind of I2C transactions:
		 * 1) 1 x read + 1 x write (repeated start)
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		 * 2) 1 x write
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		 * 3) 1 x read
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		 */
		ret = -EOPNOTSUPP;
	}

	mutex_unlock(&d->i2c_mutex);

	if (ret < 0)
		return ret;
	else
		return num;
}

static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm af9035_i2c_algo = {
	.master_xfer = af9035_i2c_master_xfer,
	.functionality = af9035_i2c_functionality,
};

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static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
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{
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	struct state *state = d_to_priv(d);
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	int ret;
	u8 wbuf[1] = { 1 };
	u8 rbuf[4];
	struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
			sizeof(rbuf), rbuf };

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	ret = af9035_rd_regs(d, 0x1222, rbuf, 3);
	if (ret < 0)
		goto err;

	state->chip_version = rbuf[0];
	state->chip_type = rbuf[2] << 8 | rbuf[1] << 0;

	ret = af9035_rd_reg(d, 0x384f, &state->prechip_version);
	if (ret < 0)
		goto err;

	dev_info(&d->udev->dev,
			"%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
			__func__, state->prechip_version, state->chip_version,
			state->chip_type);

	if (state->chip_type == 0x9135) {
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		if (state->chip_version == 0x02)
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			*name = AF9035_FIRMWARE_IT9135_V2;
		else
			*name = AF9035_FIRMWARE_IT9135_V1;
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		state->eeprom_addr = EEPROM_BASE_IT9135;
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	} else {
		*name = AF9035_FIRMWARE_AF9035;
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		state->eeprom_addr = EEPROM_BASE_AF9035;
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	}

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	ret = af9035_ctrl_msg(d, &req);
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	if (ret < 0)
		goto err;

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	dev_dbg(&d->udev->dev, "%s: reply=%*ph\n", __func__, 4, rbuf);
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	if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
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		ret = WARM;
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	else
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		ret = COLD;
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362
	return ret;
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err:
365
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
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	return ret;
}

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static int af9035_download_firmware_old(struct dvb_usb_device *d,
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		const struct firmware *fw)
{
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	int ret, i, j, len;
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	u8 wbuf[1];
	struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
	struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
377
	u8 hdr_core;
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	u16 hdr_addr, hdr_data_len, hdr_checksum;
379
	#define MAX_DATA 58
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	#define HDR_SIZE 7

	/*
	 * Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
	 *
	 * byte 0: MCS 51 core
	 *  There are two inside the AF9035 (1=Link and 2=OFDM) with separate
	 *  address spaces
	 * byte 1-2: Big endian destination address
	 * byte 3-4: Big endian number of data bytes following the header
	 * byte 5-6: Big endian header checksum, apparently ignored by the chip
	 *  Calculated as ~(h[0]*256+h[1]+h[2]*256+h[3]+h[4]*256)
	 */

	for (i = fw->size; i > HDR_SIZE;) {
		hdr_core = fw->data[fw->size - i + 0];
		hdr_addr = fw->data[fw->size - i + 1] << 8;
		hdr_addr |= fw->data[fw->size - i + 2] << 0;
		hdr_data_len = fw->data[fw->size - i + 3] << 8;
		hdr_data_len |= fw->data[fw->size - i + 4] << 0;
		hdr_checksum = fw->data[fw->size - i + 5] << 8;
		hdr_checksum |= fw->data[fw->size - i + 6] << 0;

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		dev_dbg(&d->udev->dev, "%s: core=%d addr=%04x data_len=%d " \
				"checksum=%04x\n", __func__, hdr_core, hdr_addr,
				hdr_data_len, hdr_checksum);
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		if (((hdr_core != 1) && (hdr_core != 2)) ||
				(hdr_data_len > i)) {
409
			dev_dbg(&d->udev->dev, "%s: bad firmware\n", __func__);
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			break;
		}
412

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		/* download begin packet */
		req.cmd = CMD_FW_DL_BEGIN;
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		ret = af9035_ctrl_msg(d, &req);
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		if (ret < 0)
			goto err;
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		/* download firmware packet(s) */
		for (j = HDR_SIZE + hdr_data_len; j > 0; j -= MAX_DATA) {
			len = j;
			if (len > MAX_DATA)
				len = MAX_DATA;
			req_fw_dl.wlen = len;
			req_fw_dl.wbuf = (u8 *) &fw->data[fw->size - i +
					HDR_SIZE + hdr_data_len - j];
427
			ret = af9035_ctrl_msg(d, &req_fw_dl);
428
			if (ret < 0)
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				goto err;
		}
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		/* download end packet */
		req.cmd = CMD_FW_DL_END;
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		ret = af9035_ctrl_msg(d, &req);
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		if (ret < 0)
			goto err;

		i -= hdr_data_len + HDR_SIZE;

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		dev_dbg(&d->udev->dev, "%s: data uploaded=%zu\n",
				__func__, fw->size - i);
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	}

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	/* print warn if firmware is bad, continue and see what happens */
	if (i)
		dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);

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	return 0;

err:
451
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
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	return ret;
}

456
static int af9035_download_firmware_new(struct dvb_usb_device *d,
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		const struct firmware *fw)
{
	int ret, i, i_prev;
	struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
	#define HDR_SIZE 7

	/*
	 * There seems to be following firmware header. Meaning of bytes 0-3
	 * is unknown.
	 *
	 * 0: 3
	 * 1: 0, 1
	 * 2: 0
	 * 3: 1, 2, 3
	 * 4: addr MSB
	 * 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 &&
				(fw->data[i + 1] == 0x00 ||
				fw->data[i + 1] == 0x01) &&
				fw->data[i + 2] == 0x00)) {
			req_fw_dl.wlen = i - i_prev;
			req_fw_dl.wbuf = (u8 *) &fw->data[i_prev];
			i_prev = i;
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			ret = af9035_ctrl_msg(d, &req_fw_dl);
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			if (ret < 0)
				goto err;

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			dev_dbg(&d->udev->dev, "%s: data uploaded=%d\n",
					__func__, i);
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		}
	}

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	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;
		}
	}

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	if (fw->data[0] == 0x01)
		ret = af9035_download_firmware_old(d, fw);
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	else
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		ret = af9035_download_firmware_new(d, fw);
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	if (ret < 0)
		goto err;

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	/* firmware loaded, request boot */
	req.cmd = CMD_FW_BOOT;
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	ret = af9035_ctrl_msg(d, &req);
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	if (ret < 0)
		goto err;

	/* ensure firmware starts */
	wbuf[0] = 1;
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	ret = af9035_ctrl_msg(d, &req_fw_ver);
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	if (ret < 0)
		goto err;

	if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
586 587
		dev_err(&d->udev->dev, "%s: firmware did not run\n",
				KBUILD_MODNAME);
588 589 590 591
		ret = -ENODEV;
		goto err;
	}

592 593
	dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
			KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
594 595 596 597

	return 0;

err:
598
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
599 600 601 602

	return ret;
}

603
static int af9035_read_config(struct dvb_usb_device *d)
604
{
605
	struct state *state = d_to_priv(d);
606
	int ret, i;
607
	u8 tmp;
608
	u16 tmp16, addr;
609

610 611
	/* demod I2C "address" */
	state->af9033_config[0].i2c_addr = 0x38;
612
	state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
613
	state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
614 615
	state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
	state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
616

617 618
	/* eeprom memory mapped location */
	if (state->chip_type == 0x9135) {
619 620
		if (state->chip_version == 0x02) {
			state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
621
			state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
622 623 624
			tmp16 = 0x00461d;
		} else {
			state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
625
			state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
626 627 628
			tmp16 = 0x00461b;
		}

629
		/* check if eeprom exists */
630
		ret = af9035_rd_reg(d, tmp16, &tmp);
631 632 633
		if (ret < 0)
			goto err;

634
		if (tmp == 0x00) {
635
			dev_dbg(&d->udev->dev, "%s: no eeprom\n", __func__);
636 637 638 639
			goto skip_eeprom;
		}
	}

640
	/* check if there is dual tuners */
641
	ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_DUAL_MODE, &tmp);
642 643 644
	if (ret < 0)
		goto err;

645
	state->dual_mode = tmp;
646 647
	dev_dbg(&d->udev->dev, "%s: dual mode=%d\n", __func__,
			state->dual_mode);
648

649 650
	if (state->dual_mode) {
		/* read 2nd demodulator I2C address */
651 652 653
		ret = af9035_rd_reg(d,
				state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
				&tmp);
654 655
		if (ret < 0)
			goto err;
656

657
		state->af9033_config[1].i2c_addr = tmp;
658 659
		dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
				__func__, tmp);
660 661
	}

662 663
	addr = state->eeprom_addr;

664
	for (i = 0; i < state->dual_mode + 1; i++) {
665
		/* tuner */
666
		ret = af9035_rd_reg(d, addr + EEPROM_1_TUNER_ID, &tmp);
667 668 669
		if (ret < 0)
			goto err;

670 671 672 673 674 675
		if (tmp == 0x00)
			dev_dbg(&d->udev->dev,
					"%s: [%d]tuner not set, using default\n",
					__func__, i);
		else
			state->af9033_config[i].tuner = tmp;
676

677 678
		dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
				__func__, i, state->af9033_config[i].tuner);
679 680

		switch (state->af9033_config[i].tuner) {
681
		case AF9033_TUNER_TUA9001:
682
		case AF9033_TUNER_FC0011:
683
		case AF9033_TUNER_MXL5007T:
684
		case AF9033_TUNER_TDA18218:
685
		case AF9033_TUNER_FC2580:
686
		case AF9033_TUNER_FC0012:
687
			state->af9033_config[i].spec_inv = 1;
688
			break;
689 690 691 692 693 694 695
		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;
696
		default:
697 698
			dev_warn(&d->udev->dev,
					"%s: tuner id=%02x not supported, please report!",
699
					KBUILD_MODNAME, tmp);
700
		}
701

702 703
		/* disable dual mode if driver does not support it */
		if (i == 1)
704
			switch (state->af9033_config[i].tuner) {
705
			case AF9033_TUNER_FC0012:
706 707 708 709 710 711
			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:
712
			case AF9033_TUNER_MXL5007T:
713
				break;
714 715
			default:
				state->dual_mode = false;
716 717 718
				dev_info(&d->udev->dev,
						"%s: driver does not support 2nd tuner and will disable it",
						KBUILD_MODNAME);
719 720
		}

721
		/* tuner IF frequency */
722
		ret = af9035_rd_reg(d, addr + EEPROM_1_IF_L, &tmp);
723 724 725 726 727
		if (ret < 0)
			goto err;

		tmp16 = tmp;

728
		ret = af9035_rd_reg(d, addr + EEPROM_1_IF_H, &tmp);
729 730 731 732 733
		if (ret < 0)
			goto err;

		tmp16 |= tmp << 8;

734
		dev_dbg(&d->udev->dev, "%s: [%d]IF=%d\n", __func__, i, tmp16);
735

736
		addr += 0x10; /* shift for the 2nd tuner params */
737 738
	}

739
skip_eeprom:
740 741 742 743 744 745 746
	/* get demod clock */
	ret = af9035_rd_reg(d, 0x00d800, &tmp);
	if (ret < 0)
		goto err;

	tmp = (tmp >> 0) & 0x0f;

747 748 749 750 751
	for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++) {
		if (state->chip_type == 0x9135)
			state->af9033_config[i].clock = clock_lut_it9135[tmp];
		else
			state->af9033_config[i].clock = clock_lut_af9035[tmp];
752 753
	}

754 755 756
	return 0;

err:
757
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
758 759 760 761

	return ret;
}

762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
		int cmd, int arg)
{
	int ret;
	u8 val;

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

	/*
	 * CEN     always enabled by hardware wiring
	 * RESETN  GPIOT3
	 * RXEN    GPIOT2
	 */

	switch (cmd) {
	case TUA9001_CMD_RESETN:
		if (arg)
			val = 0x00;
		else
			val = 0x01;

		ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
		if (ret < 0)
			goto err;
		break;
	case TUA9001_CMD_RXEN:
		if (arg)
			val = 0x01;
		else
			val = 0x00;

		ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
		if (ret < 0)
			goto err;
		break;
	}

	return 0;

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

	return ret;
}


808
static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
809
		int cmd, int arg)
810
{
811
	int ret;
812 813 814 815

	switch (cmd) {
	case FC0011_FE_CALLBACK_POWER:
		/* Tuner enable */
816 817 818 819 820 821 822 823 824 825 826 827
		ret = af9035_wr_reg_mask(d, 0xd8eb, 1, 1);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg_mask(d, 0xd8ec, 1, 1);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg_mask(d, 0xd8ed, 1, 1);
		if (ret < 0)
			goto err;

828
		/* LED */
829 830 831 832 833 834 835 836
		ret = af9035_wr_reg_mask(d, 0xd8d0, 1, 1);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg_mask(d, 0xd8d1, 1, 1);
		if (ret < 0)
			goto err;

837
		usleep_range(10000, 50000);
838 839
		break;
	case FC0011_FE_CALLBACK_RESET:
840 841 842 843 844 845 846 847 848 849 850 851
		ret = af9035_wr_reg(d, 0xd8e9, 1);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg(d, 0xd8e8, 1);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg(d, 0xd8e7, 1);
		if (ret < 0)
			goto err;

852
		usleep_range(10000, 20000);
853 854 855 856 857

		ret = af9035_wr_reg(d, 0xd8e7, 0);
		if (ret < 0)
			goto err;

858
		usleep_range(10000, 20000);
859 860
		break;
	default:
861 862
		ret = -EINVAL;
		goto err;
863 864 865
	}

	return 0;
866 867

err:
868
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
869 870

	return ret;
871 872 873 874
}

static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
{
875
	struct state *state = d_to_priv(d);
876 877

	switch (state->af9033_config[0].tuner) {
878 879
	case AF9033_TUNER_FC0011:
		return af9035_fc0011_tuner_callback(d, cmd, arg);
880 881
	case AF9033_TUNER_TUA9001:
		return af9035_tua9001_tuner_callback(d, cmd, arg);
882 883 884 885
	default:
		break;
	}

886
	return 0;
887 888 889 890 891 892 893 894
}

static int af9035_frontend_callback(void *adapter_priv, int component,
				    int cmd, int arg)
{
	struct i2c_adapter *adap = adapter_priv;
	struct dvb_usb_device *d = i2c_get_adapdata(adap);

895 896 897
	dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
			__func__, component, cmd, arg);

898 899 900 901 902 903 904
	switch (component) {
	case DVB_FRONTEND_COMPONENT_TUNER:
		return af9035_tuner_callback(d, cmd, arg);
	default:
		break;
	}

905
	return 0;
906 907
}

908 909 910
static int af9035_get_adapter_count(struct dvb_usb_device *d)
{
	struct state *state = d_to_priv(d);
911 912 913 914 915 916

	/* disable 2nd adapter as we don't have PID filters implemented */
	if (d->udev->speed == USB_SPEED_FULL)
		return 1;
	else
		return state->dual_mode + 1;
917 918
}

919 920
static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
{
921 922
	struct state *state = adap_to_priv(adap);
	struct dvb_usb_device *d = adap_to_d(adap);
923
	int ret;
924
	dev_dbg(&d->udev->dev, "%s:\n", __func__);
925

926 927
	if (!state->af9033_config[adap->id].tuner) {
		/* unsupported tuner */
928 929 930 931
		ret = -ENODEV;
		goto err;
	}

932
	/* attach demodulator */
933 934
	adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
			&d->i2c_adap);
935
	if (adap->fe[0] == NULL) {
936 937 938
		ret = -ENODEV;
		goto err;
	}
939 940

	/* disable I2C-gate */
941 942
	adap->fe[0]->ops.i2c_gate_ctrl = NULL;
	adap->fe[0]->callback = af9035_frontend_callback;
943 944 945 946

	return 0;

err:
947
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
948 949 950 951 952 953 954 955

	return ret;
}

static struct tua9001_config af9035_tua9001_config = {
	.i2c_addr = 0x60,
};

956 957 958 959
static const struct fc0011_config af9035_fc0011_config = {
	.i2c_address = 0x60,
};

960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975
static struct mxl5007t_config af9035_mxl5007t_config[] = {
	{
		.xtal_freq_hz = MxL_XTAL_24_MHZ,
		.if_freq_hz = MxL_IF_4_57_MHZ,
		.invert_if = 0,
		.loop_thru_enable = 0,
		.clk_out_enable = 0,
		.clk_out_amp = MxL_CLKOUT_AMP_0_94V,
	}, {
		.xtal_freq_hz = MxL_XTAL_24_MHZ,
		.if_freq_hz = MxL_IF_4_57_MHZ,
		.invert_if = 0,
		.loop_thru_enable = 1,
		.clk_out_enable = 1,
		.clk_out_amp = MxL_CLKOUT_AMP_0_94V,
	}
976 977
};

978 979 980 981 982
static struct tda18218_config af9035_tda18218_config = {
	.i2c_address = 0x60,
	.i2c_wr_max = 21,
};

983 984 985 986 987
static const struct fc2580_config af9035_fc2580_config = {
	.i2c_addr = 0x56,
	.clock = 16384000,
};

988 989 990 991
static const struct fc0012_config af9035_fc0012_config[] = {
	{
		.i2c_address = 0x63,
		.xtal_freq = FC_XTAL_36_MHZ,
992
		.dual_master = true,
993 994 995 996 997
		.loop_through = true,
		.clock_out = true,
	}, {
		.i2c_address = 0x63 | 0x80, /* I2C bus select hack */
		.xtal_freq = FC_XTAL_36_MHZ,
998
		.dual_master = true,
999
	}
1000 1001
};

1002 1003
static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
{
1004 1005
	struct state *state = adap_to_priv(adap);
	struct dvb_usb_device *d = adap_to_d(adap);
1006 1007
	int ret;
	struct dvb_frontend *fe;
1008
	struct i2c_msg msg[1];
1009
	u8 tuner_addr;
1010 1011
	dev_dbg(&d->udev->dev, "%s:\n", __func__);

1012 1013 1014 1015
	/*
	 * XXX: Hack used in that function: we abuse unused I2C address bit [7]
	 * to carry info about used I2C bus for dual tuner configuration.
	 */
1016

1017
	switch (state->af9033_config[adap->id].tuner) {
1018 1019 1020 1021 1022
	case AF9033_TUNER_TUA9001:
		/* AF9035 gpiot3 = TUA9001 RESETN
		   AF9035 gpiot2 = TUA9001 RXEN */

		/* configure gpiot2 and gpiot2 as output */
1023
		ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
1024 1025 1026
		if (ret < 0)
			goto err;

1027
		ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
1028 1029 1030
		if (ret < 0)
			goto err;

1031
		ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
1032 1033 1034
		if (ret < 0)
			goto err;

1035
		ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
1036 1037 1038 1039
		if (ret < 0)
			goto err;

		/* attach tuner */
1040 1041
		fe = dvb_attach(tua9001_attach, adap->fe[0],
				&d->i2c_adap, &af9035_tua9001_config);
1042
		break;
1043
	case AF9033_TUNER_FC0011:
1044 1045
		fe = dvb_attach(fc0011_attach, adap->fe[0],
				&d->i2c_adap, &af9035_fc0011_config);
1046
		break;
1047
	case AF9033_TUNER_MXL5007T:
1048 1049 1050 1051
		if (adap->id == 0) {
			ret = af9035_wr_reg(d, 0x00d8e0, 1);
			if (ret < 0)
				goto err;
1052

1053 1054 1055
			ret = af9035_wr_reg(d, 0x00d8e1, 1);
			if (ret < 0)
				goto err;
1056

1057 1058 1059
			ret = af9035_wr_reg(d, 0x00d8df, 0);
			if (ret < 0)
				goto err;
1060

1061
			msleep(30);
1062

1063 1064 1065
			ret = af9035_wr_reg(d, 0x00d8df, 1);
			if (ret < 0)
				goto err;
1066

1067
			msleep(300);
1068

1069 1070 1071
			ret = af9035_wr_reg(d, 0x00d8c0, 1);
			if (ret < 0)
				goto err;
1072

1073 1074 1075
			ret = af9035_wr_reg(d, 0x00d8c1, 1);
			if (ret < 0)
				goto err;
1076

1077 1078 1079
			ret = af9035_wr_reg(d, 0x00d8bf, 0);
			if (ret < 0)
				goto err;
1080

1081 1082 1083
			ret = af9035_wr_reg(d, 0x00d8b4, 1);
			if (ret < 0)
				goto err;
1084

1085 1086 1087
			ret = af9035_wr_reg(d, 0x00d8b5, 1);
			if (ret < 0)
				goto err;
1088

1089 1090 1091
			ret = af9035_wr_reg(d, 0x00d8b3, 1);
			if (ret < 0)
				goto err;
1092 1093 1094 1095

			tuner_addr = 0x60;
		} else {
			tuner_addr = 0x60 | 0x80; /* I2C bus hack */
1096
		}
1097 1098

		/* attach tuner */
1099 1100
		fe = dvb_attach(mxl5007t_attach, adap->fe[0], &d->i2c_adap,
				tuner_addr, &af9035_mxl5007t_config[adap->id]);
1101
		break;
1102 1103
	case AF9033_TUNER_TDA18218:
		/* attach tuner */
1104 1105
		fe = dvb_attach(tda18218_attach, adap->fe[0],
				&d->i2c_adap, &af9035_tda18218_config);
1106
		break;
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
	case AF9033_TUNER_FC2580:
		/* Tuner enable using gpiot2_o, gpiot2_en and gpiot2_on  */
		ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
		if (ret < 0)
			goto err;

		ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
		if (ret < 0)
			goto err;

		usleep_range(10000, 50000);
		/* attach tuner */
		fe = dvb_attach(fc2580_attach, adap->fe[0],
				&d->i2c_adap, &af9035_fc2580_config);
		break;
1126 1127 1128 1129 1130 1131 1132
	case AF9033_TUNER_FC0012:
		/*
		 * AF9035 gpiot2 = FC0012 enable
		 * XXX: there seems to be something on gpioh8 too, but on my
		 * my test I didn't find any difference.
		 */

1133 1134 1135 1136 1137
		if (adap->id == 0) {
			/* configure gpiot2 as output and high */
			ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
			if (ret < 0)
				goto err;
1138

1139 1140 1141
			ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
			if (ret < 0)
				goto err;
1142

1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
			ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
			if (ret < 0)
				goto err;
		} else {
			/*
			 * FIXME: That belongs for the FC0012 driver.
			 * Write 02 to FC0012 master tuner register 0d directly
			 * in order to make slave tuner working.
			 */
			msg[0].addr = 0x63;
			msg[0].flags = 0;
			msg[0].len = 2;
			msg[0].buf = "\x0d\x02";
			ret = i2c_transfer(&d->i2c_adap, msg, 1);
			if (ret < 0)
				goto err;
		}
1160 1161 1162

		usleep_range(10000, 50000);

1163
		fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
1164
				&af9035_fc0012_config[adap->id]);
1165
		break;
1166
	case AF9033_TUNER_IT9135_38:
1167 1168 1169 1170 1171
	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:
1172 1173 1174
		/* attach tuner */
		fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,
				state->af9033_config[adap->id].i2c_addr,
1175
				state->af9033_config[0].tuner);
1176
		break;
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
	default:
		fe = NULL;
	}

	if (fe == NULL) {
		ret = -ENODEV;
		goto err;
	}

	return 0;

err:
1189
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1190 1191 1192 1193

	return ret;
}

1194 1195 1196 1197
static int af9035_init(struct dvb_usb_device *d)
{
	struct state *state = d_to_priv(d);
	int ret, i;
1198 1199
	u16 frame_size = (d->udev->speed == USB_SPEED_FULL ? 5 : 87) * 188 / 4;
	u8 packet_size = (d->udev->speed == USB_SPEED_FULL ? 64 : 512) / 4;
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214
	struct reg_val_mask tab[] = {
		{ 0x80f99d, 0x01, 0x01 },
		{ 0x80f9a4, 0x01, 0x01 },
		{ 0x00dd11, 0x00, 0x20 },
		{ 0x00dd11, 0x00, 0x40 },
		{ 0x00dd13, 0x00, 0x20 },
		{ 0x00dd13, 0x00, 0x40 },
		{ 0x00dd11, 0x20, 0x20 },
		{ 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
		{ 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
		{ 0x00dd0c, packet_size, 0xff},
		{ 0x00dd11, state->dual_mode << 6, 0x40 },
		{ 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
		{ 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
		{ 0x00dd0d, packet_size, 0xff },
1215 1216
		{ 0x80f9a3, state->dual_mode, 0x01 },
		{ 0x80f9cd, state->dual_mode, 0x01 },
1217 1218 1219
		{ 0x80f99d, 0x00, 0x01 },
		{ 0x80f9a4, 0x00, 0x01 },
	};
1220

1221 1222 1223
	dev_dbg(&d->udev->dev, "%s: USB speed=%d frame_size=%04x " \
			"packet_size=%02x\n", __func__,
			d->udev->speed, frame_size, packet_size);
1224

1225 1226 1227 1228 1229 1230 1231
	/* init endpoints */
	for (i = 0; i < ARRAY_SIZE(tab); i++) {
		ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
				tab[i].mask);
		if (ret < 0)
			goto err;
	}
1232

1233
	return 0;
1234

1235
err:
1236
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1237

1238 1239
	return ret;
}
1240

1241
#if IS_ENABLED(CONFIG_RC_CORE)
1242 1243 1244
static int af9035_rc_query(struct dvb_usb_device *d)
{
	int ret;
1245 1246 1247
	u32 key;
	u8 buf[4];
	struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, buf };
1248

1249
	ret = af9035_ctrl_msg(d, &req);
1250 1251 1252
	if (ret == 1)
		return 0;
	else if (ret < 0)
1253
		goto err;
1254

1255 1256 1257 1258
	if ((buf[2] + buf[3]) == 0xff) {
		if ((buf[0] + buf[1]) == 0xff) {
			/* NEC standard 16bit */
			key = buf[0] << 8 | buf[2];
1259
		} else {
1260 1261
			/* NEC extended 24bit */
			key = buf[0] << 16 | buf[1] << 8 | buf[2];
1262
		}
1263
	} else {
1264 1265
		/* NEC full code 32bit */
		key = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
1266 1267
	}

1268 1269
	dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 4, buf);

1270
	rc_keydown(d->rc_dev, key, 0);
1271

1272
	return 0;
1273 1274 1275 1276 1277

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

	return ret;
1278
}
1279

1280 1281
static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
{
1282
	struct state *state = d_to_priv(d);
1283 1284
	int ret;
	u8 tmp;
1285

1286
	ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_MODE, &tmp);
1287 1288 1289
	if (ret < 0)
		goto err;

1290
	dev_dbg(&d->udev->dev, "%s: ir_mode=%02x\n", __func__, tmp);
1291 1292 1293

	/* don't activate rc if in HID mode or if not available */
	if (tmp == 5) {
1294
		ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_IR_TYPE,
1295
				&tmp);
1296 1297
		if (ret < 0)
			goto err;
1298

1299
		dev_dbg(&d->udev->dev, "%s: ir_type=%02x\n", __func__, tmp);
1300 1301 1302 1303

		switch (tmp) {
		case 0: /* NEC */
		default:
1304
			rc->allowed_protos = RC_BIT_NEC;
1305 1306
			break;
		case 1: /* RC6 */
1307
			rc->allowed_protos = RC_BIT_RC6_MCE;
1308 1309 1310 1311 1312
			break;
		}

		rc->query = af9035_rc_query;
		rc->interval = 500;
1313 1314 1315 1316

		/* load empty to enable rc */
		if (!rc->map_name)
			rc->map_name = RC_MAP_EMPTY;
1317 1318 1319 1320 1321
	}

	return 0;

err:
1322
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
1323 1324 1325

	return ret;
}
1326 1327 1328
#else
	#define af9035_get_rc_config NULL
#endif
1329

1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395
static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
		struct usb_data_stream_properties *stream)
{
	struct dvb_usb_device *d = fe_to_d(fe);
	dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);

	if (d->udev->speed == USB_SPEED_FULL)
		stream->u.bulk.buffersize = 5 * 188;

	return 0;
}

/*
 * FIXME: PID filter is property of demodulator and should be moved to the
 * correct driver. Also we support only adapter #0 PID filter and will
 * disable adapter #1 if USB1.1 is used.
 */
static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
	struct dvb_usb_device *d = adap_to_d(adap);
	int ret;

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

	ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01);
	if (ret < 0)
		goto err;

	return 0;

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

	return ret;
}

static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
		int onoff)
{
	struct dvb_usb_device *d = adap_to_d(adap);
	int ret;
	u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};

	dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
			__func__, index, pid, onoff);

	ret = af9035_wr_regs(d, 0x80f996, wbuf, 2);
	if (ret < 0)
		goto err;

	ret = af9035_wr_reg(d, 0x80f994, onoff);
	if (ret < 0)
		goto err;

	ret = af9035_wr_reg(d, 0x80f995, index);
	if (ret < 0)
		goto err;

	return 0;

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

	return ret;
}

1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432
static int af9035_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	char manufacturer[sizeof("Afatech")];

	memset(manufacturer, 0, sizeof(manufacturer));
	usb_string(udev, udev->descriptor.iManufacturer,
			manufacturer, sizeof(manufacturer));
	/*
	 * There is two devices having same ID but different chipset. One uses
	 * AF9015 and the other IT9135 chipset. Only difference seen on lsusb
	 * is iManufacturer string.
	 *
	 * idVendor           0x0ccd TerraTec Electronic GmbH
	 * idProduct          0x0099
	 * bcdDevice            2.00
	 * iManufacturer           1 Afatech
	 * iProduct                2 DVB-T 2
	 *
	 * idVendor           0x0ccd TerraTec Electronic GmbH
	 * idProduct          0x0099
	 * bcdDevice            2.00
	 * iManufacturer           1 ITE Technologies, Inc.
	 * iProduct                2 DVB-T TV Stick
	 */
	if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) &&
			(le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) {
		if (!strcmp("Afatech", manufacturer)) {
			dev_dbg(&udev->dev, "%s: rejecting device\n", __func__);
			return -ENODEV;
		}
	}

	return dvb_usbv2_probe(intf, id);
}

1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
/* interface 0 is used by DVB-T receiver and
   interface 1 is for remote controller (HID) */
static const struct dvb_usb_device_properties af9035_props = {
	.driver_name = KBUILD_MODNAME,
	.owner = THIS_MODULE,
	.adapter_nr = adapter_nr,
	.size_of_priv = sizeof(struct state),

	.generic_bulk_ctrl_endpoint = 0x02,
	.generic_bulk_ctrl_endpoint_response = 0x81,

	.identify_state = af9035_identify_state,
	.download_firmware = af9035_download_firmware,

	.i2c_algo = &af9035_i2c_algo,
	.read_config = af9035_read_config,
	.frontend_attach = af9035_frontend_attach,
	.tuner_attach = af9035_tuner_attach,
	.init = af9035_init,
	.get_rc_config = af9035_get_rc_config,
1453
	.get_stream_config = af9035_get_stream_config,
1454

1455
	.get_adapter_count = af9035_get_adapter_count,
1456 1457
	.adapter = {
		{
1458 1459 1460 1461 1462 1463 1464
			.caps = DVB_USB_ADAP_HAS_PID_FILTER |
				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,

			.pid_filter_count = 32,
			.pid_filter_ctrl = af9035_pid_filter_ctrl,
			.pid_filter = af9035_pid_filter,

1465 1466 1467 1468 1469 1470 1471 1472
			.stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
		}, {
			.stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
		},
	},
};

static const struct usb_device_id af9035_id_table[] = {
1473
	/* AF9035 devices */
1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495
	{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035,
		&af9035_props, "Afatech AF9035 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000,
		&af9035_props, "Afatech AF9035 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001,
		&af9035_props, "Afatech AF9035 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002,
		&af9035_props, "Afatech AF9035 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003,
		&af9035_props, "Afatech AF9035 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK,
		&af9035_props, "TerraTec Cinergy T Stick", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835,
		&af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835,
		&af9035_props, "AVerMedia AVerTV Volar HD/PRO (A835)", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867,
		&af9035_props, "AVerMedia HD Volar (A867)", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867,
		&af9035_props, "AVerMedia HD Volar (A867)", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR,
		&af9035_props, "AVerMedia Twinstar (A825)", NULL) },
1496 1497
	{ DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
		&af9035_props, "Asus U3100Mini Plus", NULL) },
1498 1499
        { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
		&af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
1500 1501 1502 1503 1504 1505 1506
	/* IT9135 devices */
#if 0
	{ DVB_USB_DEVICE(0x048d, 0x9135,
		&af9035_props, "IT9135 reference design", NULL) },
	{ DVB_USB_DEVICE(0x048d, 0x9006,
		&af9035_props, "IT9135 reference design", NULL) },
#endif
1507 1508 1509
	/* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
	{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
		&af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
1510 1511 1512 1513
	{ }
};
MODULE_DEVICE_TABLE(usb, af9035_id_table);

1514
static struct usb_driver af9035_usb_driver = {
1515 1516
	.name = KBUILD_MODNAME,
	.id_table = af9035_id_table,
1517
	.probe = af9035_probe,
1518 1519 1520
	.disconnect = dvb_usbv2_disconnect,
	.suspend = dvb_usbv2_suspend,
	.resume = dvb_usbv2_resume,
1521
	.reset_resume = dvb_usbv2_reset_resume,
1522 1523
	.no_dynamic_id = 1,
	.soft_unbind = 1,
1524 1525
};

1526
module_usb_driver(af9035_usb_driver);
1527 1528 1529 1530

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9035 driver");
MODULE_LICENSE("GPL");
1531
MODULE_FIRMWARE(AF9035_FIRMWARE_AF9035);
1532 1533
MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V1);
MODULE_FIRMWARE(AF9035_FIRMWARE_IT9135_V2);