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path: root/drivers/media/dvb/dvb-usb/af9035.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/af9035.c')
-rw-r--r--drivers/media/dvb/dvb-usb/af9035.c1242
1 files changed, 1242 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/af9035.c b/drivers/media/dvb/dvb-usb/af9035.c
new file mode 100644
index 000000000000..e83b39d3993c
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/af9035.c
@@ -0,0 +1,1242 @@
+/*
+ * 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 DEFINE_MUTEX(af9035_usb_mutex);
+static struct dvb_usb_device_properties af9035_properties[2];
+static int af9035_properties_count = ARRAY_SIZE(af9035_properties);
+
+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 usb_device *udev, 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
+
+ int ret, msg_len, act_len;
+ u8 buf[BUF_LEN];
+ static u8 seq; /* packet sequence number */
+ 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;
+ }
+
+ if (mutex_lock_interruptible(&af9035_usb_mutex) < 0)
+ return -EAGAIN;
+
+ buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
+ buf[1] = req->mbox;
+ buf[2] = req->cmd;
+ buf[3] = seq++;
+ if (req->wlen)
+ memcpy(&buf[4], req->wbuf, req->wlen);
+
+ /* calc and add checksum */
+ checksum = af9035_checksum(buf, buf[0] - 1);
+ buf[buf[0] - 1] = (checksum >> 8);
+ buf[buf[0] - 0] = (checksum & 0xff);
+
+ msg_len = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN ;
+
+ /* send req */
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x02), buf, msg_len,
+ &act_len, USB_TIMEOUT);
+ if (ret < 0)
+ err("bulk message failed=%d (%d/%d)", ret, msg_len, act_len);
+ else
+ if (act_len != msg_len)
+ ret = -EIO; /* all data is not send */
+ if (ret < 0)
+ goto err_mutex_unlock;
+
+ /* no ack for those packets */
+ if (req->cmd == CMD_FW_DL)
+ goto exit_mutex_unlock;
+
+ /* receive ack and data if read req */
+ msg_len = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, 0x81), buf, msg_len,
+ &act_len, USB_TIMEOUT);
+ if (ret < 0) {
+ err("recv bulk message failed=%d", ret);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ if (act_len != msg_len) {
+ err("recv bulk message truncated (%d != %d)", act_len, msg_len);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ /* verify checksum */
+ checksum = af9035_checksum(buf, act_len - 2);
+ tmp_checksum = (buf[act_len - 2] << 8) | buf[act_len - 1];
+ if (tmp_checksum != checksum) {
+ err("%s: command=%02x checksum mismatch (%04x != %04x)",
+ __func__, req->cmd, tmp_checksum, checksum);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ /* check status */
+ if (buf[2]) {
+ pr_debug("%s: command=%02x failed fw error=%d\n", __func__,
+ req->cmd, buf[2]);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ /* read request, copy returned data to return buf */
+ if (req->rlen)
+ memcpy(req->rbuf, &buf[ACK_HDR_LEN], req->rlen);
+
+err_mutex_unlock:
+exit_mutex_unlock:
+ mutex_unlock(&af9035_usb_mutex);
+
+ 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->udev, &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->udev, &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->priv;
+ 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->udev, &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->udev, &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,
+};
+
+#define AF9035_POLL 250
+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->udev, &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_init(struct dvb_usb_device *d)
+{
+ struct state *state = d->priv;
+ 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_identify_state(struct usb_device *udev,
+ struct dvb_usb_device_properties *props,
+ struct dvb_usb_device_description **desc,
+ int *cold)
+{
+ 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(udev, &req);
+ if (ret < 0)
+ goto err;
+
+ pr_debug("%s: reply=%02x %02x %02x %02x\n", __func__,
+ rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
+ if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
+ *cold = 0;
+ else
+ *cold = 1;
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static int af9035_download_firmware(struct usb_device *udev,
+ 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(udev, &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(udev, &req_fw_dl);
+ if (ret < 0)
+ goto err;
+ }
+
+ /* download end packet */
+ req.cmd = CMD_FW_DL_END;
+ ret = af9035_ctrl_msg(udev, &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(udev, &req);
+ if (ret < 0)
+ goto err;
+
+ /* ensure firmware starts */
+ wbuf[0] = 1;
+ ret = af9035_ctrl_msg(udev, &req_fw_ver);
+ if (ret < 0)
+ goto err;
+
+ if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
+ info("firmware did not run");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ info("firmware version=%d.%d.%d.%d", 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 usb_device *udev,
+ 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(udev, &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(udev, &req);
+ if (ret < 0)
+ goto err;
+
+ /* ensure firmware starts */
+ wbuf[0] = 1;
+ ret = af9035_ctrl_msg(udev, &req_fw_ver);
+ if (ret < 0)
+ goto err;
+
+ if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
+ info("firmware did not run");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ info("firmware version=%d.%d.%d.%d", rbuf[0], rbuf[1], rbuf[2],
+ rbuf[3]);
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+/* abuse that callback as there is no better one for reading eeprom */
+static int af9035_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
+{
+ struct state *state = d->priv;
+ 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 < af9035_properties[0].num_adapters; 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:
+ warn("tuner ID=%02x not supported, please report!",
+ 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 < af9035_properties[0].num_adapters; i++)
+ state->af9033_config[i].clock = clock_lut[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:
+ d->props.rc.core.protocol = RC_TYPE_NEC;
+ d->props.rc.core.allowed_protos = RC_TYPE_NEC;
+ break;
+ case 1: /* RC6 */
+ d->props.rc.core.protocol = RC_TYPE_RC6;
+ d->props.rc.core.allowed_protos = RC_TYPE_RC6;
+ break;
+ }
+ d->props.rc.core.rc_query = af9035_rc_query;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+/* abuse that callback as there is no better one for reading eeprom */
+static int af9035_read_mac_address_it9135(struct dvb_usb_device *d, u8 mac[6])
+{
+ struct state *state = d->priv;
+ 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 < af9035_properties[0].num_adapters; 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->priv;
+
+ 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->dev->priv;
+ 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(adap->dev, 0x00417f,
+ state->af9033_config[1].i2c_addr);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg(adap->dev, 0x00d81a,
+ state->dual_mode);
+ if (ret < 0)
+ goto err;
+ }
+
+ /* attach demodulator */
+ adap->fe_adap[0].fe = dvb_attach(af9033_attach,
+ &state->af9033_config[adap->id], &adap->dev->i2c_adap);
+ if (adap->fe_adap[0].fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ /* disable I2C-gate */
+ adap->fe_adap[0].fe->ops.i2c_gate_ctrl = NULL;
+ adap->fe_adap[0].fe->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->dev->priv;
+ 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(adap->dev, 0x00d8ec, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8ed, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e8, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e9, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* reset tuner */
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e7, 0x00, 0x01);
+ if (ret < 0)
+ goto err;
+
+ usleep_range(2000, 20000);
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e7, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* activate tuner RX */
+ /* TODO: use callback for TUA9001 RXEN */
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8eb, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* attach tuner */
+ fe = dvb_attach(tua9001_attach, adap->fe_adap[0].fe,
+ &adap->dev->i2c_adap, &af9035_tua9001_config);
+ break;
+ case AF9033_TUNER_FC0011:
+ fe = dvb_attach(fc0011_attach, adap->fe_adap[0].fe,
+ &adap->dev->i2c_adap, &af9035_fc0011_config);
+ break;
+ case AF9033_TUNER_MXL5007T:
+ ret = af9035_wr_reg(adap->dev, 0x00d8e0, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8e1, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8df, 0);
+ if (ret < 0)
+ goto err;
+
+ msleep(30);
+
+ ret = af9035_wr_reg(adap->dev, 0x00d8df, 1);
+ if (ret < 0)
+ goto err;
+
+ msleep(300);
+
+ ret = af9035_wr_reg(adap->dev, 0x00d8c0, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8c1, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8bf, 0);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8b4, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8b5, 1);
+ if (ret < 0)
+ goto err;
+ ret = af9035_wr_reg(adap->dev, 0x00d8b3, 1);
+ if (ret < 0)
+ goto err;
+
+ /* attach tuner */
+ fe = dvb_attach(mxl5007t_attach, adap->fe_adap[0].fe,
+ &adap->dev->i2c_adap, 0x60, &af9035_mxl5007t_config);
+ break;
+ case AF9033_TUNER_TDA18218:
+ /* attach tuner */
+ fe = dvb_attach(tda18218_attach, adap->fe_adap[0].fe,
+ &adap->dev->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;
+}
+
+enum af9035_id_entry {
+ AF9035_15A4_9035,
+ AF9035_15A4_1000,
+ AF9035_15A4_1001,
+ AF9035_15A4_1002,
+ AF9035_15A4_1003,
+ AF9035_0CCD_0093,
+ AF9035_07CA_A835,
+ AF9035_07CA_B835,
+ AF9035_07CA_1867,
+ AF9035_07CA_A867,
+ AF9035_07CA_0825,
+};
+
+static struct usb_device_id af9035_id[] = {
+ [AF9035_15A4_9035] = {
+ USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_9035)},
+ [AF9035_15A4_1000] = {
+ USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1000)},
+ [AF9035_15A4_1001] = {
+ USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1001)},
+ [AF9035_15A4_1002] = {
+ USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1002)},
+ [AF9035_15A4_1003] = {
+ USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_1003)},
+ [AF9035_0CCD_0093] = {
+ USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK)},
+ [AF9035_07CA_A835] = {
+ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835)},
+ [AF9035_07CA_B835] = {
+ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_B835)},
+ [AF9035_07CA_1867] = {
+ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867)},
+ [AF9035_07CA_A867] = {
+ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A867)},
+ [AF9035_07CA_0825] = {
+ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TWINSTAR)},
+ {},
+};
+
+MODULE_DEVICE_TABLE(usb, af9035_id);
+
+static struct dvb_usb_device_properties af9035_properties[] = {
+ {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+ .usb_ctrl = DEVICE_SPECIFIC,
+ .download_firmware = af9035_download_firmware,
+ .firmware = "dvb-usb-af9035-02.fw",
+ .no_reconnect = 1,
+
+ .size_of_priv = sizeof(struct state),
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .num_frontends = 1,
+ .fe = {
+ {
+ .frontend_attach = af9035_frontend_attach,
+ .tuner_attach = af9035_tuner_attach,
+ .stream = {
+ .type = USB_BULK,
+ .count = 6,
+ .endpoint = 0x84,
+ .u = {
+ .bulk = {
+ .buffersize = (87 * 188),
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+
+ .identify_state = af9035_identify_state,
+ .read_mac_address = af9035_read_mac_address,
+
+ .i2c_algo = &af9035_i2c_algo,
+
+ .rc.core = {
+ .protocol = RC_TYPE_UNKNOWN,
+ .module_name = "af9035",
+ .rc_query = NULL,
+ .rc_interval = AF9035_POLL,
+ .allowed_protos = RC_TYPE_UNKNOWN,
+ .rc_codes = RC_MAP_EMPTY,
+ },
+ .num_device_descs = 5,
+ .devices = {
+ {
+ .name = "Afatech AF9035 reference design",
+ .cold_ids = {
+ &af9035_id[AF9035_15A4_9035],
+ &af9035_id[AF9035_15A4_1000],
+ &af9035_id[AF9035_15A4_1001],
+ &af9035_id[AF9035_15A4_1002],
+ &af9035_id[AF9035_15A4_1003],
+ },
+ }, {
+ .name = "TerraTec Cinergy T Stick",
+ .cold_ids = {
+ &af9035_id[AF9035_0CCD_0093],
+ },
+ }, {
+ .name = "AVerMedia AVerTV Volar HD/PRO (A835)",
+ .cold_ids = {
+ &af9035_id[AF9035_07CA_A835],
+ &af9035_id[AF9035_07CA_B835],
+ },
+ }, {
+ .name = "AVerMedia HD Volar (A867)",
+ .cold_ids = {
+ &af9035_id[AF9035_07CA_1867],
+ &af9035_id[AF9035_07CA_A867],
+ },
+ }, {
+ .name = "AVerMedia Twinstar (A825)",
+ .cold_ids = {
+ &af9035_id[AF9035_07CA_0825],
+ },
+ },
+ }
+ },
+ {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+ .usb_ctrl = DEVICE_SPECIFIC,
+ .download_firmware = af9035_download_firmware_it9135,
+ .firmware = "dvb-usb-it9135-01.fw",
+ .no_reconnect = 1,
+
+ .size_of_priv = sizeof(struct state),
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .num_frontends = 1,
+ .fe = {
+ {
+ .frontend_attach = af9035_frontend_attach,
+ .tuner_attach = af9035_tuner_attach,
+ .stream = {
+ .type = USB_BULK,
+ .count = 6,
+ .endpoint = 0x84,
+ .u = {
+ .bulk = {
+ .buffersize = (87 * 188),
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+
+ .identify_state = af9035_identify_state,
+ .read_mac_address = af9035_read_mac_address_it9135,
+
+ .i2c_algo = &af9035_i2c_algo,
+
+ .num_device_descs = 0, /* disabled as no support for IT9135 */
+ .devices = {
+ {
+ .name = "ITE Tech. IT9135 reference design",
+ },
+ }
+ },
+};
+
+static int af9035_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret, i;
+ struct dvb_usb_device *d = NULL;
+ struct usb_device *udev;
+ bool found;
+
+ pr_debug("%s: interface=%d\n", __func__,
+ intf->cur_altsetting->desc.bInterfaceNumber);
+
+ /* interface 0 is used by DVB-T receiver and
+ interface 1 is for remote controller (HID) */
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+
+ /* Dynamic USB ID support. Replaces first device ID with current one. */
+ udev = interface_to_usbdev(intf);
+
+ for (i = 0, found = false; i < ARRAY_SIZE(af9035_id) - 1; i++) {
+ if (af9035_id[i].idVendor ==
+ le16_to_cpu(udev->descriptor.idVendor) &&
+ af9035_id[i].idProduct ==
+ le16_to_cpu(udev->descriptor.idProduct)) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ pr_debug("%s: using dynamic ID %04x:%04x\n", __func__,
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct));
+ af9035_properties[0].devices[0].cold_ids[0]->idVendor =
+ le16_to_cpu(udev->descriptor.idVendor);
+ af9035_properties[0].devices[0].cold_ids[0]->idProduct =
+ le16_to_cpu(udev->descriptor.idProduct);
+ }
+
+
+ for (i = 0; i < af9035_properties_count; i++) {
+ ret = dvb_usb_device_init(intf, &af9035_properties[i],
+ THIS_MODULE, &d, adapter_nr);
+
+ if (ret == -ENODEV)
+ continue;
+ else
+ break;
+ }
+
+ if (ret < 0)
+ goto err;
+
+ if (d) {
+ ret = af9035_init(d);
+ if (ret < 0)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver af9035_usb_driver = {
+ .name = "dvb_usb_af9035",
+ .probe = af9035_usb_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = af9035_id,
+};
+
+module_usb_driver(af9035_usb_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Afatech AF9035 driver");
+MODULE_LICENSE("GPL");