[media] dvb-usb: move it to drivers/media/usb/dvb-usb

As media/dvb will be removed, move it to a proper place.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1086 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
new file mode 100644
index 00000000000..bb90b877d07
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -0,0 +1,1086 @@
+/*
+ * 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);
+
+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;
+}
+
+static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
+{
+#define BUF_LEN 64
+#define REQ_HDR_LEN 4 /* send header size */
+#define ACK_HDR_LEN 3 /* rece header size */
+#define CHECKSUM_LEN 2
+#define USB_TIMEOUT 2000
+	struct state *state = d_to_priv(d);
+	int ret, wlen, rlen;
+	u8 buf[BUF_LEN];
+	u16 checksum, tmp_checksum;
+
+	/* buffer overflow check */
+	if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
+		req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
+		pr_debug("%s: too much data wlen=%d rlen=%d\n", __func__,
+				req->wlen, req->rlen);
+		return -EINVAL;
+	}
+
+	buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
+	buf[1] = req->mbox;
+	buf[2] = req->cmd;
+	buf[3] = state->seq++;
+	memcpy(&buf[REQ_HDR_LEN], req->wbuf, req->wlen);
+
+	wlen = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN;
+	rlen = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
+
+	/* calc and add checksum */
+	checksum = af9035_checksum(buf, buf[0] - 1);
+	buf[buf[0] - 1] = (checksum >> 8);
+	buf[buf[0] - 0] = (checksum & 0xff);
+
+	/* no ack for these packets */
+	if (req->cmd == CMD_FW_DL)
+		rlen = 0;
+
+	ret = dvb_usbv2_generic_rw(d, buf, wlen, buf, rlen);
+	if (ret)
+		goto err;
+
+	/* no ack for those packets */
+	if (req->cmd == CMD_FW_DL)
+		goto exit;
+
+	/* verify checksum */
+	checksum = af9035_checksum(buf, rlen - 2);
+	tmp_checksum = (buf[rlen - 2] << 8) | buf[rlen - 1];
+	if (tmp_checksum != checksum) {
+		pr_err("%s: command=%02x checksum mismatch (%04x != %04x)\n",
+				KBUILD_MODNAME, req->cmd, tmp_checksum,
+				checksum);
+		ret = -EIO;
+		goto err;
+	}
+
+	/* check status */
+	if (buf[2]) {
+		pr_debug("%s: command=%02x failed fw error=%d\n", __func__,
+				req->cmd, buf[2]);
+		ret = -EIO;
+		goto err;
+	}
+
+	/* read request, copy returned data to return buf */
+	if (req->rlen)
+		memcpy(req->rbuf, &buf[ACK_HDR_LEN], req->rlen);
+
+exit:
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	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);
+
+	return af9035_ctrl_msg(d, &req);
+}
+
+/* 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 };
+
+	return af9035_ctrl_msg(d, &req);
+}
+
+/* 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);
+	struct state *state = d_to_priv(d);
+	int ret;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	/*
+	 * 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.
+	 */
+	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;
+		} else if (msg[0].addr == state->af9033_config[0].i2c_addr) {
+			/* integrated demod */
+			u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
+					msg[0].buf[2];
+			ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
+					msg[1].len);
+		} else {
+			/* I2C */
+			u8 buf[5 + msg[0].len];
+			struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
+					buf, msg[1].len, msg[1].buf };
+			buf[0] = msg[1].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 */
+			memcpy(&buf[5], msg[0].buf, msg[0].len);
+			ret = af9035_ctrl_msg(d, &req);
+		}
+	} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+		if (msg[0].len > 40) {
+			/* TODO: correct limits > 40 */
+			ret = -EOPNOTSUPP;
+		} else if (msg[0].addr == state->af9033_config[0].i2c_addr) {
+			/* integrated demod */
+			u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
+					msg[0].buf[2];
+			ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
+					msg[0].len - 3);
+		} else {
+			/* I2C */
+			u8 buf[5 + msg[0].len];
+			struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
+					0, NULL };
+			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 */
+			memcpy(&buf[5], msg[0].buf, msg[0].len);
+			ret = af9035_ctrl_msg(d, &req);
+		}
+	} else {
+		/*
+		 * We support only two kind of I2C transactions:
+		 * 1) 1 x read + 1 x write
+		 * 2) 1 x write
+		 */
+		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,
+};
+
+static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
+{
+	int ret;
+	u8 wbuf[1] = { 1 };
+	u8 rbuf[4];
+	struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
+			sizeof(rbuf), rbuf };
+
+	ret = af9035_ctrl_msg(d, &req);
+	if (ret < 0)
+		goto err;
+
+	pr_debug("%s: reply=%*ph\n", __func__, 4, rbuf);
+	if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
+		ret = WARM;
+	else
+		ret = COLD;
+
+	return ret;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_download_firmware(struct dvb_usb_device *d,
+		const struct firmware *fw)
+{
+	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;
+	u16 hdr_addr, hdr_data_len, hdr_checksum;
+	#define MAX_DATA 58
+	#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;
+
+		pr_debug("%s: core=%d addr=%04x data_len=%d checksum=%04x\n",
+				__func__, hdr_core, hdr_addr, hdr_data_len,
+				hdr_checksum);
+
+		if (((hdr_core != 1) && (hdr_core != 2)) ||
+				(hdr_data_len > i)) {
+			pr_debug("%s: bad firmware\n", __func__);
+			break;
+		}
+
+		/* download begin packet */
+		req.cmd = CMD_FW_DL_BEGIN;
+		ret = af9035_ctrl_msg(d, &req);
+		if (ret < 0)
+			goto err;
+
+		/* 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];
+			ret = af9035_ctrl_msg(d, &req_fw_dl);
+			if (ret < 0)
+				goto err;
+		}
+
+		/* download end packet */
+		req.cmd = CMD_FW_DL_END;
+		ret = af9035_ctrl_msg(d, &req);
+		if (ret < 0)
+			goto err;
+
+		i -= hdr_data_len + HDR_SIZE;
+
+		pr_debug("%s: data uploaded=%zu\n", __func__, fw->size - i);
+	}
+
+	/* 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])) {
+		pr_err("%s: firmware did not run\n", KBUILD_MODNAME);
+		ret = -ENODEV;
+		goto err;
+	}
+
+	pr_info("%s: firmware version=%d.%d.%d.%d", KBUILD_MODNAME,
+			rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+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
+
+	/*
+	 * 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;
+			ret = af9035_ctrl_msg(d, &req_fw_dl);
+			if (ret < 0)
+				goto err;
+
+			pr_debug("%s: data uploaded=%d\n", __func__, i);
+		}
+	}
+
+	/* 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])) {
+		pr_err("%s: firmware did not run\n", KBUILD_MODNAME);
+		ret = -ENODEV;
+		goto err;
+	}
+
+	pr_info("%s: firmware version=%d.%d.%d.%d", KBUILD_MODNAME,
+			rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_read_config(struct dvb_usb_device *d)
+{
+	struct state *state = d_to_priv(d);
+	int ret, i, eeprom_shift = 0;
+	u8 tmp;
+	u16 tmp16;
+
+	/* check if there is dual tuners */
+	ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
+	if (ret < 0)
+		goto err;
+
+	state->dual_mode = tmp;
+	pr_debug("%s: dual mode=%d\n", __func__, state->dual_mode);
+
+	for (i = 0; i < state->dual_mode + 1; i++) {
+		/* tuner */
+		ret = af9035_rd_reg(d, EEPROM_1_TUNER_ID + eeprom_shift, &tmp);
+		if (ret < 0)
+			goto err;
+
+		state->af9033_config[i].tuner = tmp;
+		pr_debug("%s: [%d]tuner=%02x\n", __func__, i, tmp);
+
+		switch (tmp) {
+		case AF9033_TUNER_TUA9001:
+		case AF9033_TUNER_FC0011:
+		case AF9033_TUNER_MXL5007T:
+		case AF9033_TUNER_TDA18218:
+			state->af9033_config[i].spec_inv = 1;
+			break;
+		default:
+			pr_info("%s: tuner ID=%02x not supported, please " \
+					"report!", KBUILD_MODNAME, tmp);
+		};
+
+		/* tuner IF frequency */
+		ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp);
+		if (ret < 0)
+			goto err;
+
+		tmp16 = tmp;
+
+		ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_H + eeprom_shift, &tmp);
+		if (ret < 0)
+			goto err;
+
+		tmp16 |= tmp << 8;
+
+		pr_debug("%s: [%d]IF=%d\n", __func__, i, tmp16);
+
+		eeprom_shift = 0x10; /* shift for the 2nd tuner params */
+	}
+
+	/* get demod clock */
+	ret = af9035_rd_reg(d, 0x00d800, &tmp);
+	if (ret < 0)
+		goto err;
+
+	tmp = (tmp >> 0) & 0x0f;
+
+	for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++)
+		state->af9033_config[i].clock = clock_lut[tmp];
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_read_config_it9135(struct dvb_usb_device *d)
+{
+	struct state *state = d_to_priv(d);
+	int ret, i;
+	u8 tmp;
+
+	state->dual_mode = false;
+
+	/* get demod clock */
+	ret = af9035_rd_reg(d, 0x00d800, &tmp);
+	if (ret < 0)
+		goto err;
+
+	tmp = (tmp >> 0) & 0x0f;
+
+	for (i = 0; i < ARRAY_SIZE(state->af9033_config); i++)
+		state->af9033_config[i].clock = clock_lut_it9135[tmp];
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
+		int cmd, int arg)
+{
+	int ret;
+
+	switch (cmd) {
+	case FC0011_FE_CALLBACK_POWER:
+		/* Tuner enable */
+		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;
+
+		/* LED */
+		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;
+
+		usleep_range(10000, 50000);
+		break;
+	case FC0011_FE_CALLBACK_RESET:
+		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;
+
+		usleep_range(10000, 20000);
+
+		ret = af9035_wr_reg(d, 0xd8e7, 0);
+		if (ret < 0)
+			goto err;
+
+		usleep_range(10000, 20000);
+		break;
+	default:
+		ret = -EINVAL;
+		goto err;
+	}
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
+{
+	struct state *state = d_to_priv(d);
+
+	switch (state->af9033_config[0].tuner) {
+	case AF9033_TUNER_FC0011:
+		return af9035_fc0011_tuner_callback(d, cmd, arg);
+	default:
+		break;
+	}
+
+	return -ENODEV;
+}
+
+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);
+
+	switch (component) {
+	case DVB_FRONTEND_COMPONENT_TUNER:
+		return af9035_tuner_callback(d, cmd, arg);
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+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;
+
+	if (!state->af9033_config[adap->id].tuner) {
+		/* unsupported tuner */
+		ret = -ENODEV;
+		goto err;
+	}
+
+	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 */
+	adap->fe[0] = dvb_attach(af9033_attach,
+			&state->af9033_config[adap->id], &d->i2c_adap);
+	if (adap->fe[0] == NULL) {
+		ret = -ENODEV;
+		goto err;
+	}
+
+	/* disable I2C-gate */
+	adap->fe[0]->ops.i2c_gate_ctrl = NULL;
+	adap->fe[0]->callback = af9035_frontend_callback;
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static struct tua9001_config af9035_tua9001_config = {
+	.i2c_addr = 0x60,
+};
+
+static const struct fc0011_config af9035_fc0011_config = {
+	.i2c_address = 0x60,
+};
+
+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,
+};
+
+static struct tda18218_config af9035_tda18218_config = {
+	.i2c_address = 0x60,
+	.i2c_wr_max = 21,
+};
+
+static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	struct state *state = adap_to_priv(adap);
+	struct dvb_usb_device *d = adap_to_d(adap);
+	int ret;
+	struct dvb_frontend *fe;
+
+	switch (state->af9033_config[adap->id].tuner) {
+	case AF9033_TUNER_TUA9001:
+		/* AF9035 gpiot3 = TUA9001 RESETN
+		   AF9035 gpiot2 = TUA9001 RXEN */
+
+		/* configure gpiot2 and gpiot2 as output */
+		ret = af9035_wr_reg_mask(d, 0x00d8ec, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		ret = af9035_wr_reg_mask(d, 0x00d8ed, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		ret = af9035_wr_reg_mask(d, 0x00d8e8, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		ret = af9035_wr_reg_mask(d, 0x00d8e9, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		/* reset tuner */
+		ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x00, 0x01);
+		if (ret < 0)
+			goto err;
+
+		usleep_range(2000, 20000);
+
+		ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		/* activate tuner RX */
+		/* TODO: use callback for TUA9001 RXEN */
+		ret = af9035_wr_reg_mask(d, 0x00d8eb, 0x01, 0x01);
+		if (ret < 0)
+			goto err;
+
+		/* attach tuner */
+		fe = dvb_attach(tua9001_attach, adap->fe[0],
+				&d->i2c_adap, &af9035_tua9001_config);
+		break;
+	case AF9033_TUNER_FC0011:
+		fe = dvb_attach(fc0011_attach, adap->fe[0],
+				&d->i2c_adap, &af9035_fc0011_config);
+		break;
+	case AF9033_TUNER_MXL5007T:
+		ret = af9035_wr_reg(d, 0x00d8e0, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8e1, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8df, 0);
+		if (ret < 0)
+			goto err;
+
+		msleep(30);
+
+		ret = af9035_wr_reg(d, 0x00d8df, 1);
+		if (ret < 0)
+			goto err;
+
+		msleep(300);
+
+		ret = af9035_wr_reg(d, 0x00d8c0, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8c1, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8bf, 0);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8b4, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8b5, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(d, 0x00d8b3, 1);
+		if (ret < 0)
+			goto err;
+
+		/* attach tuner */
+		fe = dvb_attach(mxl5007t_attach, adap->fe[0],
+				&d->i2c_adap, 0x60, &af9035_mxl5007t_config);
+		break;
+	case AF9033_TUNER_TDA18218:
+		/* attach tuner */
+		fe = dvb_attach(tda18218_attach, adap->fe[0],
+				&d->i2c_adap, &af9035_tda18218_config);
+		break;
+	default:
+		fe = NULL;
+	}
+
+	if (fe == NULL) {
+		ret = -ENODEV;
+		goto err;
+	}
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_init(struct dvb_usb_device *d)
+{
+	struct state *state = d_to_priv(d);
+	int ret, i;
+	u16 frame_size = 87 * 188 / 4;
+	u8  packet_size = 512 / 4;
+	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 },
+		{ 0x80f9a3, 0x00, 0x01 },
+		{ 0x80f9cd, 0x00, 0x01 },
+		{ 0x80f99d, 0x00, 0x01 },
+		{ 0x80f9a4, 0x00, 0x01 },
+	};
+
+	pr_debug("%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
+		__func__, d->udev->speed, frame_size, packet_size);
+
+	/* 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;
+	}
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+static int af9035_rc_query(struct dvb_usb_device *d)
+{
+	unsigned int key;
+	unsigned char b[4];
+	int ret;
+	struct usb_req req = { CMD_IR_GET, 0, 0, NULL, 4, b };
+
+	ret = af9035_ctrl_msg(d, &req);
+	if (ret < 0)
+		goto err;
+
+	if ((b[2] + b[3]) == 0xff) {
+		if ((b[0] + b[1]) == 0xff) {
+			/* NEC */
+			key = b[0] << 8 | b[2];
+		} else {
+			/* ext. NEC */
+			key = b[0] << 16 | b[1] << 8 | b[2];
+		}
+	} else {
+		key = b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3];
+	}
+
+	rc_keydown(d->rc_dev, key, 0);
+
+err:
+	/* ignore errors */
+	return 0;
+}
+
+static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
+{
+	int ret;
+	u8 tmp;
+
+	ret = af9035_rd_reg(d, EEPROM_IR_MODE, &tmp);
+	if (ret < 0)
+		goto err;
+
+	pr_debug("%s: ir_mode=%02x\n", __func__, tmp);
+
+	/* don't activate rc if in HID mode or if not available */
+	if (tmp == 5) {
+		ret = af9035_rd_reg(d, EEPROM_IR_TYPE, &tmp);
+		if (ret < 0)
+			goto err;
+
+		pr_debug("%s: ir_type=%02x\n", __func__, tmp);
+
+		switch (tmp) {
+		case 0: /* NEC */
+		default:
+			rc->allowed_protos = RC_TYPE_NEC;
+			break;
+		case 1: /* RC6 */
+			rc->allowed_protos = RC_TYPE_RC6;
+			break;
+		}
+
+		rc->query = af9035_rc_query;
+		rc->interval = 500;
+
+		/* load empty to enable rc */
+		if (!rc->map_name)
+			rc->map_name = RC_MAP_EMPTY;
+	}
+
+	return 0;
+
+err:
+	pr_debug("%s: failed=%d\n", __func__, ret);
+
+	return ret;
+}
+
+/* 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,
+	.firmware = "dvb-usb-af9035-02.fw",
+	.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,
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
+		}, {
+			.stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
+		},
+	},
+};
+
+static const struct dvb_usb_device_properties it9135_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,
+	.firmware = "dvb-usb-it9135-01.fw",
+	.download_firmware = af9035_download_firmware_it9135,
+
+	.i2c_algo = &af9035_i2c_algo,
+	.read_config = af9035_read_config_it9135,
+	.frontend_attach = af9035_frontend_attach,
+	.tuner_attach = af9035_tuner_attach,
+	.init = af9035_init,
+	.get_rc_config = af9035_get_rc_config,
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.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[] = {
+	{ 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) },
+	{ }
+};
+MODULE_DEVICE_TABLE(usb, af9035_id_table);
+
+static struct usb_driver af9035_usb_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = af9035_id_table,
+	.probe = dvb_usbv2_probe,
+	.disconnect = dvb_usbv2_disconnect,
+	.suspend = dvb_usbv2_suspend,
+	.resume = dvb_usbv2_resume,
+	.no_dynamic_id = 1,
+	.soft_unbind = 1,
+};
+
+module_usb_driver(af9035_usb_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Afatech AF9035 driver");
+MODULE_LICENSE("GPL");