--- /dev/null
+/*
+ * Realtek RTL28xxU DVB USB driver
+ *
+ * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
+ *
+ * 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 "rtl28xxu.h"
+
+static int rtl28xxu_disable_rc;
+module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
+MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
+{
+ struct rtl28xxu_dev *dev = d->priv;
+ int ret;
+ unsigned int pipe;
+ u8 requesttype;
+
+ if (req->index & CMD_WR_FLAG) {
+ /* write */
+ memcpy(dev->buf, req->data, req->size);
+ requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
+ pipe = usb_sndctrlpipe(d->udev, 0);
+ } else {
+ /* read */
+ requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
+ pipe = usb_rcvctrlpipe(d->udev, 0);
+ }
+
+ ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
+ req->index, dev->buf, req->size, 1000);
+ dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
+ req->index, dev->buf, req->size);
+ if (ret < 0)
+ goto err;
+
+ /* read request, copy returned data to return buf */
+ if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
+ memcpy(req->data, dev->buf, req->size);
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl28xxu_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
+{
+ struct rtl28xxu_req req;
+
+ if (reg < 0x3000)
+ req.index = CMD_USB_WR;
+ else if (reg < 0x4000)
+ req.index = CMD_SYS_WR;
+ else
+ req.index = CMD_IR_WR;
+
+ req.value = reg;
+ req.size = len;
+ req.data = val;
+
+ return rtl28xxu_ctrl_msg(d, &req);
+}
+
+static int rtl28xxu_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
+{
+ struct rtl28xxu_req req;
+
+ if (reg < 0x3000)
+ req.index = CMD_USB_RD;
+ else if (reg < 0x4000)
+ req.index = CMD_SYS_RD;
+ else
+ req.index = CMD_IR_RD;
+
+ req.value = reg;
+ req.size = len;
+ req.data = val;
+
+ return rtl28xxu_ctrl_msg(d, &req);
+}
+
+static int rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
+{
+ return rtl28xxu_wr_regs(d, reg, &val, 1);
+}
+
+static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
+{
+ return rtl28xxu_rd_regs(d, reg, val, 1);
+}
+
+static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
+ u8 mask)
+{
+ int ret;
+ u8 tmp;
+
+ /* no need for read if whole reg is written */
+ if (mask != 0xff) {
+ ret = rtl28xxu_rd_reg(d, reg, &tmp);
+ if (ret)
+ return ret;
+
+ val &= mask;
+ tmp &= ~mask;
+ val |= tmp;
+ }
+
+ return rtl28xxu_wr_reg(d, reg, val);
+}
+
+/* I2C */
+static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+ int num)
+{
+ int ret;
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ struct rtl28xxu_dev *dev = d->priv;
+ struct rtl28xxu_req req;
+
+ /*
+ * It is not known which are real I2C bus xfer limits, but testing
+ * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
+ * TODO: find out RTL2832U lens
+ */
+
+ /*
+ * I2C adapter logic looks rather complicated due to fact it handles
+ * three different access methods. Those methods are;
+ * 1) integrated demod access
+ * 2) old I2C access
+ * 3) new I2C access
+ *
+ * Used method is selected in order 1, 2, 3. Method 3 can handle all
+ * requests but there is two reasons why not use it always;
+ * 1) It is most expensive, usually two USB messages are needed
+ * 2) At least RTL2831U does not support it
+ *
+ * Method 3 is needed in case of I2C write+read (typical register read)
+ * where write is more than one byte.
+ */
+
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
+ (msg[1].flags & I2C_M_RD)) {
+ if (msg[0].len > 24 || msg[1].len > 24) {
+ /* TODO: check msg[0].len max */
+ ret = -EOPNOTSUPP;
+ goto err_mutex_unlock;
+ } else if (msg[0].addr == 0x10) {
+ /* method 1 - integrated demod */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_DEMOD_RD | dev->page;
+ req.size = msg[1].len;
+ req.data = &msg[1].buf[0];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else if (msg[0].len < 2) {
+ /* method 2 - old I2C */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_I2C_RD;
+ req.size = msg[1].len;
+ req.data = &msg[1].buf[0];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else {
+ /* method 3 - new I2C */
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_WR;
+ req.size = msg[0].len;
+ req.data = msg[0].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ if (ret)
+ goto err_mutex_unlock;
+
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_RD;
+ req.size = msg[1].len;
+ req.data = msg[1].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+ if (msg[0].len > 22) {
+ /* TODO: check msg[0].len max */
+ ret = -EOPNOTSUPP;
+ goto err_mutex_unlock;
+ } else if (msg[0].addr == 0x10) {
+ /* method 1 - integrated demod */
+ if (msg[0].buf[0] == 0x00) {
+ /* save demod page for later demod access */
+ dev->page = msg[0].buf[1];
+ ret = 0;
+ } else {
+ req.value = (msg[0].buf[0] << 8) |
+ (msg[0].addr << 1);
+ req.index = CMD_DEMOD_WR | dev->page;
+ req.size = msg[0].len-1;
+ req.data = &msg[0].buf[1];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else if (msg[0].len < 23) {
+ /* method 2 - old I2C */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_I2C_WR;
+ req.size = msg[0].len-1;
+ req.data = &msg[0].buf[1];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else {
+ /* method 3 - new I2C */
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_WR;
+ req.size = msg[0].len;
+ req.data = msg[0].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else {
+ ret = -EINVAL;
+ }
+
+err_mutex_unlock:
+ mutex_unlock(&d->i2c_mutex);
+
+ return ret ? ret : num;
+}
+
+static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm rtl28xxu_i2c_algo = {
+ .master_xfer = rtl28xxu_i2c_xfer,
+ .functionality = rtl28xxu_i2c_func,
+};
+
+static int rtl2831u_read_config(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ int ret;
+ u8 buf[1];
+ /* open RTL2831U/RTL2830 I2C gate */
+ struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
+ /* tuner probes */
+ struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /*
+ * RTL2831U GPIOs
+ * =========================================================
+ * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
+ * GPIO2 | LED | 0 off | 1 on |
+ * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
+ */
+
+ /* GPIO direction */
+ ret = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
+ if (ret)
+ goto err;
+
+ /* enable as output GPIO0, GPIO2, GPIO4 */
+ ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
+ if (ret)
+ goto err;
+
+ /*
+ * Probe used tuner. We need to know used tuner before demod attach
+ * since there is some demod params needed to set according to tuner.
+ */
+
+ /* demod needs some time to wake up */
+ msleep(20);
+
+ dev->tuner_name = "NONE";
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
+ if (ret)
+ goto err;
+
+ /* check QT1010 ID(?) register; reg=0f val=2c */
+ ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
+ if (ret == 0 && buf[0] == 0x2c) {
+ dev->tuner = TUNER_RTL2830_QT1010;
+ dev->tuner_name = "QT1010";
+ goto found;
+ }
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
+ if (ret)
+ goto err;
+
+ /* check MT2060 ID register; reg=00 val=63 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
+ if (ret == 0 && buf[0] == 0x63) {
+ dev->tuner = TUNER_RTL2830_MT2060;
+ dev->tuner_name = "MT2060";
+ goto found;
+ }
+
+ /* assume MXL5005S */
+ dev->tuner = TUNER_RTL2830_MXL5005S;
+ dev->tuner_name = "MXL5005S";
+ goto found;
+
+found:
+ dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2832u_read_config(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ int ret;
+ u8 buf[2];
+ /* open RTL2832U/RTL2832 I2C gate */
+ struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
+ /* close RTL2832U/RTL2832 I2C gate */
+ struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
+ /* tuner probes */
+ struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
+ struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
+ struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
+ struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /* enable GPIO3 and GPIO6 as output */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
+ if (ret)
+ goto err;
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
+ if (ret)
+ goto err;
+
+ /*
+ * Probe used tuner. We need to know used tuner before demod attach
+ * since there is some demod params needed to set according to tuner.
+ */
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
+ if (ret)
+ goto err;
+
+ dev->tuner_name = "NONE";
+
+ /* check FC0012 ID register; reg=00 val=a1 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
+ if (ret == 0 && buf[0] == 0xa1) {
+ dev->tuner = TUNER_RTL2832_FC0012;
+ dev->tuner_name = "FC0012";
+ goto tuner_found;
+ }
+
+ /* check FC0013 ID register; reg=00 val=a3 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
+ if (ret == 0 && buf[0] == 0xa3) {
+ dev->tuner = TUNER_RTL2832_FC0013;
+ dev->tuner_name = "FC0013";
+ goto tuner_found;
+ }
+
+ /* check MT2266 ID register; reg=00 val=85 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
+ if (ret == 0 && buf[0] == 0x85) {
+ dev->tuner = TUNER_RTL2832_MT2266;
+ dev->tuner_name = "MT2266";
+ goto tuner_found;
+ }
+
+ /* check FC2580 ID register; reg=01 val=56 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
+ if (ret == 0 && buf[0] == 0x56) {
+ dev->tuner = TUNER_RTL2832_FC2580;
+ dev->tuner_name = "FC2580";
+ goto tuner_found;
+ }
+
+ /* check MT2063 ID register; reg=00 val=9e || 9c */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
+ if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
+ dev->tuner = TUNER_RTL2832_MT2063;
+ dev->tuner_name = "MT2063";
+ goto tuner_found;
+ }
+
+ /* check MAX3543 ID register; reg=00 val=38 */
+ ret = rtl28xxu_ctrl_msg(d, &req_max3543);
+ if (ret == 0 && buf[0] == 0x38) {
+ dev->tuner = TUNER_RTL2832_MAX3543;
+ dev->tuner_name = "MAX3543";
+ goto tuner_found;
+ }
+
+ /* check TUA9001 ID register; reg=7e val=2328 */
+ ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
+ if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
+ dev->tuner = TUNER_RTL2832_TUA9001;
+ dev->tuner_name = "TUA9001";
+ goto tuner_found;
+ }
+
+ /* check MXL5007R ID register; reg=d9 val=14 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
+ if (ret == 0 && buf[0] == 0x14) {
+ dev->tuner = TUNER_RTL2832_MXL5007T;
+ dev->tuner_name = "MXL5007T";
+ goto tuner_found;
+ }
+
+ /* check E4000 ID register; reg=02 val=40 */
+ ret = rtl28xxu_ctrl_msg(d, &req_e4000);
+ if (ret == 0 && buf[0] == 0x40) {
+ dev->tuner = TUNER_RTL2832_E4000;
+ dev->tuner_name = "E4000";
+ goto tuner_found;
+ }
+
+ /* check TDA18272 ID register; reg=00 val=c760 */
+ ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
+ if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
+ dev->tuner = TUNER_RTL2832_TDA18272;
+ dev->tuner_name = "TDA18272";
+ goto tuner_found;
+ }
+
+ /* check R820T ID register; reg=00 val=69 */
+ ret = rtl28xxu_ctrl_msg(d, &req_r820t);
+ if (ret == 0 && buf[0] == 0x69) {
+ dev->tuner = TUNER_RTL2832_R820T;
+ dev->tuner_name = "R820T";
+ goto tuner_found;
+ }
+
+ /* check R828D ID register; reg=00 val=69 */
+ ret = rtl28xxu_ctrl_msg(d, &req_r828d);
+ if (ret == 0 && buf[0] == 0x69) {
+ dev->tuner = TUNER_RTL2832_R828D;
+ dev->tuner_name = "R828D";
+ goto tuner_found;
+ }
+
+tuner_found:
+ dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
+
+ /* probe slave demod */
+ if (dev->tuner == TUNER_RTL2832_R828D) {
+ /* power on MN88472 demod on GPIO0 */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
+ if (ret)
+ goto err;
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
+ if (ret)
+ goto err;
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
+ if (ret)
+ goto err;
+
+ /* check MN88472 answers */
+ ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
+ if (ret == 0 && buf[0] == 0x02) {
+ dev_dbg(&d->intf->dev, "MN88472 found\n");
+ dev->slave_demod = SLAVE_DEMOD_MN88472;
+ goto demod_found;
+ }
+
+ ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
+ if (ret == 0 && buf[0] == 0x03) {
+ dev_dbg(&d->intf->dev, "MN88473 found\n");
+ dev->slave_demod = SLAVE_DEMOD_MN88473;
+ goto demod_found;
+ }
+ }
+
+demod_found:
+ /* close demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl28xxu_read_config(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return rtl2831u_read_config(d);
+ else
+ return rtl2832u_read_config(d);
+}
+
+static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ int ret;
+ struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /*
+ * Detect chip type using I2C command that is not supported
+ * by old RTL2831U.
+ */
+ ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
+ if (ret == -EPIPE) {
+ dev->chip_id = CHIP_ID_RTL2831U;
+ } else if (ret == 0) {
+ dev->chip_id = CHIP_ID_RTL2832U;
+ } else {
+ dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
+ goto err;
+ }
+ dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
+
+ return WARM;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
+ .clk = 28800000,
+ .spec_inv = 1,
+ .vtop = 0x20,
+ .krf = 0x04,
+ .agc_targ_val = 0x2d,
+
+};
+
+static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
+ .clk = 28800000,
+ .spec_inv = 1,
+ .vtop = 0x20,
+ .krf = 0x04,
+ .agc_targ_val = 0x2d,
+};
+
+static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
+ .clk = 28800000,
+ .spec_inv = 0,
+ .vtop = 0x3f,
+ .krf = 0x04,
+ .agc_targ_val = 0x3e,
+};
+
+static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
+ struct i2c_board_info board_info;
+ struct i2c_client *client;
+ int ret;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ switch (dev->tuner) {
+ case TUNER_RTL2830_QT1010:
+ *pdata = rtl2830_qt1010_platform_data;
+ break;
+ case TUNER_RTL2830_MT2060:
+ *pdata = rtl2830_mt2060_platform_data;
+ break;
+ case TUNER_RTL2830_MXL5005S:
+ *pdata = rtl2830_mxl5005s_platform_data;
+ break;
+ default:
+ dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ /* attach demodulator */
+ memset(&board_info, 0, sizeof(board_info));
+ strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
+ board_info.addr = 0x10;
+ board_info.platform_data = pdata;
+ request_module("%s", board_info.type);
+ client = i2c_new_device(&d->i2c_adap, &board_info);
+ if (client == NULL || client->dev.driver == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ adap->fe[0] = pdata->get_dvb_frontend(client);
+ dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
+
+ dev->i2c_client_demod = client;
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
+ .clk = 28800000,
+ .tuner = TUNER_RTL2832_FC0012
+};
+
+static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
+ .clk = 28800000,
+ .tuner = TUNER_RTL2832_FC0013
+};
+
+static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
+ .clk = 28800000,
+ .tuner = TUNER_RTL2832_TUA9001,
+};
+
+static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
+ .clk = 28800000,
+ .tuner = TUNER_RTL2832_E4000,
+};
+
+static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
+ .clk = 28800000,
+ .tuner = TUNER_RTL2832_R820T,
+};
+
+static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
+ int cmd, int arg)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
+
+ switch (cmd) {
+ case FC_FE_CALLBACK_VHF_ENABLE:
+ /* set output values */
+ ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
+ if (ret)
+ goto err;
+
+ if (arg)
+ val &= 0xbf; /* set GPIO6 low */
+ else
+ val |= 0x40; /* set GPIO6 high */
+
+
+ ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret)
+ goto err;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
+ int cmd, int arg)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
+
+ /*
+ * CEN always enabled by hardware wiring
+ * RESETN GPIO4
+ * RXEN GPIO1
+ */
+
+ switch (cmd) {
+ case TUA9001_CMD_RESETN:
+ if (arg)
+ val = (1 << 4);
+ else
+ val = (0 << 4);
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
+ if (ret)
+ goto err;
+ break;
+ case TUA9001_CMD_RXEN:
+ if (arg)
+ val = (1 << 1);
+ else
+ val = (0 << 1);
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
+ if (ret)
+ goto err;
+ break;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2832u_frontend_callback(void *adapter_priv, int component,
+ int cmd, int arg)
+{
+ struct i2c_adapter *adapter = adapter_priv;
+ struct device *parent = adapter->dev.parent;
+ struct i2c_adapter *parent_adapter;
+ struct dvb_usb_device *d;
+ struct rtl28xxu_dev *dev;
+
+ /*
+ * All tuners are connected to demod muxed I2C adapter. We have to
+ * resolve its parent adapter in order to get handle for this driver
+ * private data. That is a bit hackish solution, GPIO or direct driver
+ * callback would be better...
+ */
+ if (parent != NULL && parent->type == &i2c_adapter_type)
+ parent_adapter = to_i2c_adapter(parent);
+ else
+ return -EINVAL;
+
+ d = i2c_get_adapdata(parent_adapter);
+ dev = d->priv;
+
+ dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
+ component, cmd, arg);
+
+ switch (component) {
+ case DVB_FRONTEND_COMPONENT_TUNER:
+ switch (dev->tuner) {
+ case TUNER_RTL2832_FC0012:
+ return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
+ case TUNER_RTL2832_TUA9001:
+ return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
+ }
+ }
+
+ return 0;
+}
+
+static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
+ struct i2c_board_info board_info;
+ struct i2c_client *client;
+ int ret;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ switch (dev->tuner) {
+ case TUNER_RTL2832_FC0012:
+ *pdata = rtl2832_fc0012_platform_data;
+ break;
+ case TUNER_RTL2832_FC0013:
+ *pdata = rtl2832_fc0013_platform_data;
+ break;
+ case TUNER_RTL2832_FC2580:
+ /* FIXME: do not abuse fc0012 settings */
+ *pdata = rtl2832_fc0012_platform_data;
+ break;
+ case TUNER_RTL2832_TUA9001:
+ *pdata = rtl2832_tua9001_platform_data;
+ break;
+ case TUNER_RTL2832_E4000:
+ *pdata = rtl2832_e4000_platform_data;
+ break;
+ case TUNER_RTL2832_R820T:
+ case TUNER_RTL2832_R828D:
+ *pdata = rtl2832_r820t_platform_data;
+ break;
+ default:
+ dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ /* attach demodulator */
+ memset(&board_info, 0, sizeof(board_info));
+ strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
+ board_info.addr = 0x10;
+ board_info.platform_data = pdata;
+ request_module("%s", board_info.type);
+ client = i2c_new_device(&d->i2c_adap, &board_info);
+ if (client == NULL || client->dev.driver == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ adap->fe[0] = pdata->get_dvb_frontend(client);
+ dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
+
+ dev->i2c_client_demod = client;
+
+ /* set fe callback */
+ adap->fe[0]->callback = rtl2832u_frontend_callback;
+
+ if (dev->slave_demod) {
+ struct i2c_board_info info = {};
+
+ /*
+ * We continue on reduced mode, without DVB-T2/C, using master
+ * demod, when slave demod fails.
+ */
+ ret = 0;
+
+ /* attach slave demodulator */
+ if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
+ struct mn88472_config mn88472_config = {};
+
+ mn88472_config.fe = &adap->fe[1];
+ mn88472_config.i2c_wr_max = 22,
+ strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
+ mn88472_config.xtal = 20500000;
+ mn88472_config.ts_mode = SERIAL_TS_MODE;
+ mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
+ info.addr = 0x18;
+ info.platform_data = &mn88472_config;
+ request_module(info.type);
+ client = i2c_new_device(&d->i2c_adap, &info);
+ if (client == NULL || client->dev.driver == NULL) {
+ dev->slave_demod = SLAVE_DEMOD_NONE;
+ goto err_slave_demod_failed;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ dev->slave_demod = SLAVE_DEMOD_NONE;
+ goto err_slave_demod_failed;
+ }
+
+ dev->i2c_client_slave_demod = client;
+ } else {
+ struct mn88473_config mn88473_config = {};
+
+ mn88473_config.fe = &adap->fe[1];
+ mn88473_config.i2c_wr_max = 22,
+ strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
+ info.addr = 0x18;
+ info.platform_data = &mn88473_config;
+ request_module(info.type);
+ client = i2c_new_device(&d->i2c_adap, &info);
+ if (client == NULL || client->dev.driver == NULL) {
+ dev->slave_demod = SLAVE_DEMOD_NONE;
+ goto err_slave_demod_failed;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ dev->slave_demod = SLAVE_DEMOD_NONE;
+ goto err_slave_demod_failed;
+ }
+
+ dev->i2c_client_slave_demod = client;
+ }
+ }
+
+ return 0;
+err_slave_demod_failed:
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ struct rtl28xxu_dev *dev = adap_to_priv(adap);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return rtl2831u_frontend_attach(adap);
+ else
+ return rtl2832u_frontend_attach(adap);
+}
+
+static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
+{
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct i2c_client *client;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /* remove I2C slave demod */
+ client = dev->i2c_client_slave_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ /* remove I2C demod */
+ client = dev->i2c_client_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ return 0;
+}
+
+static struct qt1010_config rtl28xxu_qt1010_config = {
+ .i2c_address = 0x62, /* 0xc4 */
+};
+
+static struct mt2060_config rtl28xxu_mt2060_config = {
+ .i2c_address = 0x60, /* 0xc0 */
+ .clock_out = 0,
+};
+
+static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
+ .i2c_address = 0x63, /* 0xc6 */
+ .if_freq = IF_FREQ_4570000HZ,
+ .xtal_freq = CRYSTAL_FREQ_16000000HZ,
+ .agc_mode = MXL_SINGLE_AGC,
+ .tracking_filter = MXL_TF_C_H,
+ .rssi_enable = MXL_RSSI_ENABLE,
+ .cap_select = MXL_CAP_SEL_ENABLE,
+ .div_out = MXL_DIV_OUT_4,
+ .clock_out = MXL_CLOCK_OUT_DISABLE,
+ .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
+ .top = MXL5005S_TOP_25P2,
+ .mod_mode = MXL_DIGITAL_MODE,
+ .if_mode = MXL_ZERO_IF,
+ .AgcMasterByte = 0x00,
+};
+
+static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct dvb_frontend *fe;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ switch (dev->tuner) {
+ case TUNER_RTL2830_QT1010:
+ fe = dvb_attach(qt1010_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl28xxu_qt1010_config);
+ break;
+ case TUNER_RTL2830_MT2060:
+ fe = dvb_attach(mt2060_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl28xxu_mt2060_config, 1220);
+ break;
+ case TUNER_RTL2830_MXL5005S:
+ fe = dvb_attach(mxl5005s_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl28xxu_mxl5005s_config);
+ break;
+ default:
+ fe = NULL;
+ dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
+ }
+
+ if (fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static const struct fc2580_config rtl2832u_fc2580_config = {
+ .i2c_addr = 0x56,
+ .clock = 16384000,
+};
+
+static struct tua9001_config rtl2832u_tua9001_config = {
+ .i2c_addr = 0x60,
+};
+
+static const struct fc0012_config rtl2832u_fc0012_config = {
+ .i2c_address = 0x63, /* 0xc6 >> 1 */
+ .xtal_freq = FC_XTAL_28_8_MHZ,
+};
+
+static const struct r820t_config rtl2832u_r820t_config = {
+ .i2c_addr = 0x1a,
+ .xtal = 28800000,
+ .max_i2c_msg_len = 2,
+ .rafael_chip = CHIP_R820T,
+};
+
+static const struct r820t_config rtl2832u_r828d_config = {
+ .i2c_addr = 0x3a,
+ .xtal = 16000000,
+ .max_i2c_msg_len = 2,
+ .rafael_chip = CHIP_R828D,
+};
+
+static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct dvb_frontend *fe = NULL;
+ struct i2c_board_info info;
+ struct i2c_client *client;
+ struct v4l2_subdev *subdev = NULL;
+ struct platform_device *pdev;
+ struct rtl2832_sdr_platform_data pdata;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ memset(&pdata, 0, sizeof(pdata));
+
+ switch (dev->tuner) {
+ case TUNER_RTL2832_FC0012:
+ fe = dvb_attach(fc0012_attach, adap->fe[0],
+ dev->demod_i2c_adapter, &rtl2832u_fc0012_config);
+
+ /* since fc0012 includs reading the signal strength delegate
+ * that to the tuner driver */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+ break;
+ case TUNER_RTL2832_FC0013:
+ fe = dvb_attach(fc0013_attach, adap->fe[0],
+ dev->demod_i2c_adapter, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
+
+ /* fc0013 also supports signal strength reading */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+ break;
+ case TUNER_RTL2832_E4000: {
+ struct e4000_config e4000_config = {
+ .fe = adap->fe[0],
+ .clock = 28800000,
+ };
+
+ strlcpy(info.type, "e4000", I2C_NAME_SIZE);
+ info.addr = 0x64;
+ info.platform_data = &e4000_config;
+
+ request_module(info.type);
+ client = i2c_new_device(dev->demod_i2c_adapter, &info);
+ if (client == NULL || client->dev.driver == NULL)
+ break;
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ break;
+ }
+
+ dev->i2c_client_tuner = client;
+ subdev = i2c_get_clientdata(client);
+ }
+ break;
+ case TUNER_RTL2832_FC2580:
+ fe = dvb_attach(fc2580_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl2832u_fc2580_config);
+ break;
+ case TUNER_RTL2832_TUA9001:
+ /* enable GPIO1 and GPIO4 as output */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
+ if (ret)
+ goto err;
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
+ if (ret)
+ goto err;
+
+ fe = dvb_attach(tua9001_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl2832u_tua9001_config);
+ break;
+ case TUNER_RTL2832_R820T:
+ fe = dvb_attach(r820t_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl2832u_r820t_config);
+
+ /* Use tuner to get the signal strength */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+ break;
+ case TUNER_RTL2832_R828D:
+ fe = dvb_attach(r820t_attach, adap->fe[0],
+ dev->demod_i2c_adapter,
+ &rtl2832u_r828d_config);
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+
+ if (adap->fe[1]) {
+ fe = dvb_attach(r820t_attach, adap->fe[1],
+ dev->demod_i2c_adapter,
+ &rtl2832u_r828d_config);
+ adap->fe[1]->ops.read_signal_strength =
+ adap->fe[1]->ops.tuner_ops.get_rf_strength;
+ }
+ break;
+ default:
+ dev_err(&d->intf->dev, "unknown tuner %d\n", dev->tuner);
+ }
+ if (fe == NULL && dev->i2c_client_tuner == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ /* register SDR */
+ switch (dev->tuner) {
+ case TUNER_RTL2832_FC0012:
+ case TUNER_RTL2832_FC0013:
+ case TUNER_RTL2832_E4000:
+ case TUNER_RTL2832_R820T:
+ case TUNER_RTL2832_R828D:
+ pdata.clk = dev->rtl2832_platform_data.clk;
+ pdata.tuner = dev->tuner;
+ pdata.i2c_client = dev->i2c_client_demod;
+ pdata.bulk_read = dev->rtl2832_platform_data.bulk_read;
+ pdata.bulk_write = dev->rtl2832_platform_data.bulk_write;
+ pdata.update_bits = dev->rtl2832_platform_data.update_bits;
+ pdata.dvb_frontend = adap->fe[0];
+ pdata.dvb_usb_device = d;
+ pdata.v4l2_subdev = subdev;
+
+ request_module("%s", "rtl2832_sdr");
+ pdev = platform_device_register_data(&d->intf->dev,
+ "rtl2832_sdr",
+ PLATFORM_DEVID_AUTO,
+ &pdata, sizeof(pdata));
+ if (pdev == NULL || pdev->dev.driver == NULL)
+ break;
+ dev->platform_device_sdr = pdev;
+ break;
+ default:
+ dev_dbg(&d->intf->dev, "no SDR for tuner=%d\n", dev->tuner);
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ struct rtl28xxu_dev *dev = adap_to_priv(adap);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return rtl2831u_tuner_attach(adap);
+ else
+ return rtl2832u_tuner_attach(adap);
+}
+
+static int rtl28xxu_tuner_detach(struct dvb_usb_adapter *adap)
+{
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+ struct i2c_client *client;
+ struct platform_device *pdev;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /* remove platform SDR */
+ pdev = dev->platform_device_sdr;
+ if (pdev)
+ platform_device_unregister(pdev);
+
+ /* remove I2C tuner */
+ client = dev->i2c_client_tuner;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ return 0;
+}
+
+static int rtl28xxu_init(struct dvb_usb_device *d)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->intf->dev, "\n");
+
+ /* init USB endpoints */
+ ret = rtl28xxu_rd_reg(d, USB_SYSCTL_0, &val);
+ if (ret)
+ goto err;
+
+ /* enable DMA and Full Packet Mode*/
+ val |= 0x09;
+ ret = rtl28xxu_wr_reg(d, USB_SYSCTL_0, val);
+ if (ret)
+ goto err;
+
+ /* set EPA maximum packet size to 0x0200 */
+ ret = rtl28xxu_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
+ if (ret)
+ goto err;
+
+ /* change EPA FIFO length */
+ ret = rtl28xxu_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ int ret;
+ u8 gpio, sys0, epa_ctl[2];
+
+ dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
+
+ /* demod adc */
+ ret = rtl28xxu_rd_reg(d, SYS_SYS0, &sys0);
+ if (ret)
+ goto err;
+
+ /* tuner power, read GPIOs */
+ ret = rtl28xxu_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
+ if (ret)
+ goto err;
+
+ dev_dbg(&d->intf->dev, "RD SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
+
+ if (onoff) {
+ gpio |= 0x01; /* GPIO0 = 1 */
+ gpio &= (~0x10); /* GPIO4 = 0 */
+ gpio |= 0x04; /* GPIO2 = 1, LED on */
+ sys0 = sys0 & 0x0f;
+ sys0 |= 0xe0;
+ epa_ctl[0] = 0x00; /* clear stall */
+ epa_ctl[1] = 0x00; /* clear reset */
+ } else {
+ gpio &= (~0x01); /* GPIO0 = 0 */
+ gpio |= 0x10; /* GPIO4 = 1 */
+ gpio &= (~0x04); /* GPIO2 = 1, LED off */
+ sys0 = sys0 & (~0xc0);
+ epa_ctl[0] = 0x10; /* set stall */
+ epa_ctl[1] = 0x02; /* set reset */
+ }
+
+ dev_dbg(&d->intf->dev, "WR SYS0=%02x GPIO_OUT_VAL=%02x\n", sys0, gpio);
+
+ /* demod adc */
+ ret = rtl28xxu_wr_reg(d, SYS_SYS0, sys0);
+ if (ret)
+ goto err;
+
+ /* tuner power, write GPIOs */
+ ret = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
+ if (ret)
+ goto err;
+
+ /* streaming EP: stall & reset */
+ ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
+ if (ret)
+ goto err;
+
+ if (onoff)
+ usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
+
+ return ret;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ int ret;
+
+ dev_dbg(&d->intf->dev, "onoff=%d\n", onoff);
+
+ if (onoff) {
+ /* GPIO3=1, GPIO4=0 */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
+ if (ret)
+ goto err;
+
+ /* suspend? */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
+ if (ret)
+ goto err;
+
+ /* enable PLL */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
+ if (ret)
+ goto err;
+
+ /* disable reset */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
+ if (ret)
+ goto err;
+
+ /* streaming EP: clear stall & reset */
+ ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
+ if (ret)
+ goto err;
+
+ ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
+ if (ret)
+ goto err;
+ } else {
+ /* GPIO4=1 */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
+ if (ret)
+ goto err;
+
+ /* disable PLL */
+ ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
+ if (ret)
+ goto err;
+
+ /* streaming EP: set stall & reset */
+ ret = rtl28xxu_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
+ if (ret)
+ goto err;
+ }
+
+ return ret;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return rtl2831u_power_ctrl(d, onoff);
+ else
+ return rtl2832u_power_ctrl(d, onoff);
+}
+
+static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
+{
+ struct dvb_usb_device *d = fe_to_d(fe);
+ struct rtl28xxu_dev *dev = fe_to_priv(fe);
+ struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->intf->dev, "fe=%d onoff=%d\n", fe->id, onoff);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return 0;
+
+ /* control internal demod ADC */
+ if (fe->id == 0 && onoff)
+ val = 0x48; /* enable ADC */
+ else
+ val = 0x00; /* disable ADC */
+
+ ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
+ if (ret)
+ goto err;
+
+ /* bypass slave demod TS through master demod */
+ if (fe->id == 1 && onoff) {
+ ret = pdata->enable_slave_ts(dev->i2c_client_demod);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+#if IS_ENABLED(CONFIG_RC_CORE)
+static int rtl2831u_rc_query(struct dvb_usb_device *d)
+{
+ int ret, i;
+ struct rtl28xxu_dev *dev = d->priv;
+ u8 buf[5];
+ u32 rc_code;
+ struct rtl28xxu_reg_val rc_nec_tab[] = {
+ { 0x3033, 0x80 },
+ { 0x3020, 0x43 },
+ { 0x3021, 0x16 },
+ { 0x3022, 0x16 },
+ { 0x3023, 0x5a },
+ { 0x3024, 0x2d },
+ { 0x3025, 0x16 },
+ { 0x3026, 0x01 },
+ { 0x3028, 0xb0 },
+ { 0x3029, 0x04 },
+ { 0x302c, 0x88 },
+ { 0x302e, 0x13 },
+ { 0x3030, 0xdf },
+ { 0x3031, 0x05 },
+ };
+
+ /* init remote controller */
+ if (!dev->rc_active) {
+ for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
+ ret = rtl28xxu_wr_reg(d, rc_nec_tab[i].reg,
+ rc_nec_tab[i].val);
+ if (ret)
+ goto err;
+ }
+ dev->rc_active = true;
+ }
+
+ ret = rtl28xxu_rd_regs(d, SYS_IRRC_RP, buf, 5);
+ if (ret)
+ goto err;
+
+ if (buf[4] & 0x01) {
+ if (buf[2] == (u8) ~buf[3]) {
+ if (buf[0] == (u8) ~buf[1]) {
+ /* NEC standard (16 bit) */
+ rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
+ } else {
+ /* NEC extended (24 bit) */
+ rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
+ buf[2]);
+ }
+ } else {
+ /* NEC full (32 bit) */
+ rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
+ buf[2] << 8 | buf[3]);
+ }
+
+ rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
+
+ ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
+ if (ret)
+ goto err;
+
+ /* repeated intentionally to avoid extra keypress */
+ ret = rtl28xxu_wr_reg(d, SYS_IRRC_SR, 1);
+ if (ret)
+ goto err;
+ }
+
+ return ret;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
+ struct dvb_usb_rc *rc)
+{
+ rc->map_name = RC_MAP_EMPTY;
+ rc->allowed_protos = RC_BIT_NEC;
+ rc->query = rtl2831u_rc_query;
+ rc->interval = 400;
+
+ return 0;
+}
+
+static int rtl2832u_rc_query(struct dvb_usb_device *d)
+{
+ int ret, i, len;
+ struct rtl28xxu_dev *dev = d->priv;
+ struct ir_raw_event ev;
+ u8 buf[128];
+ static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
+ {IR_RX_IF, 0x03, 0xff},
+ {IR_RX_BUF_CTRL, 0x80, 0xff},
+ {IR_RX_CTRL, 0x80, 0xff},
+ };
+
+ /* init remote controller */
+ if (!dev->rc_active) {
+ static const struct rtl28xxu_reg_val_mask init_tab[] = {
+ {SYS_DEMOD_CTL1, 0x00, 0x04},
+ {SYS_DEMOD_CTL1, 0x00, 0x08},
+ {USB_CTRL, 0x20, 0x20},
+ {SYS_GPIO_DIR, 0x00, 0x08},
+ {SYS_GPIO_OUT_EN, 0x08, 0x08},
+ {SYS_GPIO_OUT_VAL, 0x08, 0x08},
+ {IR_MAX_DURATION0, 0xd0, 0xff},
+ {IR_MAX_DURATION1, 0x07, 0xff},
+ {IR_IDLE_LEN0, 0xc0, 0xff},
+ {IR_IDLE_LEN1, 0x00, 0xff},
+ {IR_GLITCH_LEN, 0x03, 0xff},
+ {IR_RX_CLK, 0x09, 0xff},
+ {IR_RX_CFG, 0x1c, 0xff},
+ {IR_MAX_H_TOL_LEN, 0x1e, 0xff},
+ {IR_MAX_L_TOL_LEN, 0x1e, 0xff},
+ {IR_RX_CTRL, 0x80, 0xff},
+ };
+
+ for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
+ ret = rtl28xxu_wr_reg_mask(d, init_tab[i].reg,
+ init_tab[i].val, init_tab[i].mask);
+ if (ret)
+ goto err;
+ }
+
+ dev->rc_active = true;
+ }
+
+ ret = rtl28xxu_rd_reg(d, IR_RX_IF, &buf[0]);
+ if (ret)
+ goto err;
+
+ if (buf[0] != 0x83)
+ goto exit;
+
+ ret = rtl28xxu_rd_reg(d, IR_RX_BC, &buf[0]);
+ if (ret)
+ goto err;
+
+ len = buf[0];
+
+ /* read raw code from hw */
+ ret = rtl28xxu_rd_regs(d, IR_RX_BUF, buf, len);
+ if (ret)
+ goto err;
+
+ /* let hw receive new code */
+ for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
+ ret = rtl28xxu_wr_reg_mask(d, refresh_tab[i].reg,
+ refresh_tab[i].val, refresh_tab[i].mask);
+ if (ret)
+ goto err;
+ }
+
+ /* pass data to Kernel IR decoder */
+ init_ir_raw_event(&ev);
+
+ for (i = 0; i < len; i++) {
+ ev.pulse = buf[i] >> 7;
+ ev.duration = 50800 * (buf[i] & 0x7f);
+ ir_raw_event_store_with_filter(d->rc_dev, &ev);
+ }
+
+ /* 'flush' ir_raw_event_store_with_filter() */
+ ir_raw_event_set_idle(d->rc_dev, true);
+ ir_raw_event_handle(d->rc_dev);
+exit:
+ return ret;
+err:
+ dev_dbg(&d->intf->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
+ struct dvb_usb_rc *rc)
+{
+ /* disable IR interrupts in order to avoid SDR sample loss */
+ if (rtl28xxu_disable_rc)
+ return rtl28xxu_wr_reg(d, IR_RX_IE, 0x00);
+
+ /* load empty to enable rc */
+ if (!rc->map_name)
+ rc->map_name = RC_MAP_EMPTY;
+ rc->allowed_protos = RC_BIT_ALL;
+ rc->driver_type = RC_DRIVER_IR_RAW;
+ rc->query = rtl2832u_rc_query;
+ rc->interval = 200;
+
+ return 0;
+}
+
+static int rtl28xxu_get_rc_config(struct dvb_usb_device *d,
+ struct dvb_usb_rc *rc)
+{
+ struct rtl28xxu_dev *dev = d_to_priv(d);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U)
+ return rtl2831u_get_rc_config(d, rc);
+ else
+ return rtl2832u_get_rc_config(d, rc);
+}
+#else
+#define rtl28xxu_get_rc_config NULL
+#endif
+
+static int rtl28xxu_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+ struct rtl28xxu_dev *dev = adap_to_priv(adap);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U) {
+ struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
+
+ return pdata->pid_filter_ctrl(adap->fe[0], onoff);
+ } else {
+ struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
+
+ return pdata->pid_filter_ctrl(adap->fe[0], onoff);
+ }
+}
+
+static int rtl28xxu_pid_filter(struct dvb_usb_adapter *adap, int index,
+ u16 pid, int onoff)
+{
+ struct rtl28xxu_dev *dev = adap_to_priv(adap);
+
+ if (dev->chip_id == CHIP_ID_RTL2831U) {
+ struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
+
+ return pdata->pid_filter(adap->fe[0], index, pid, onoff);
+ } else {
+ struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
+
+ return pdata->pid_filter(adap->fe[0], index, pid, onoff);
+ }
+}
+
+static const struct dvb_usb_device_properties rtl28xxu_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+ .size_of_priv = sizeof(struct rtl28xxu_dev),
+
+ .identify_state = rtl28xxu_identify_state,
+ .power_ctrl = rtl28xxu_power_ctrl,
+ .frontend_ctrl = rtl28xxu_frontend_ctrl,
+ .i2c_algo = &rtl28xxu_i2c_algo,
+ .read_config = rtl28xxu_read_config,
+ .frontend_attach = rtl28xxu_frontend_attach,
+ .frontend_detach = rtl28xxu_frontend_detach,
+ .tuner_attach = rtl28xxu_tuner_attach,
+ .tuner_detach = rtl28xxu_tuner_detach,
+ .init = rtl28xxu_init,
+ .get_rc_config = rtl28xxu_get_rc_config,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .caps = DVB_USB_ADAP_HAS_PID_FILTER |
+ DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+ .pid_filter_count = 32,
+ .pid_filter_ctrl = rtl28xxu_pid_filter_ctrl,
+ .pid_filter = rtl28xxu_pid_filter,
+
+ .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
+ },
+ },
+};
+
+static const struct usb_device_id rtl28xxu_id_table[] = {
+ /* RTL2831U devices: */
+ { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
+ &rtl28xxu_props, "Realtek RTL2831U reference design", NULL) },
+ { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
+ &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
+ { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
+ &rtl28xxu_props, "Freecom USB2.0 DVB-T", NULL) },
+
+ /* RTL2832U devices: */
+ { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
+ &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
+ { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
+ &rtl28xxu_props, "Realtek RTL2832U reference design", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
+ &rtl28xxu_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
+ { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
+ &rtl28xxu_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
+ &rtl28xxu_props, "TerraTec NOXON DAB Stick", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
+ &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
+ &rtl28xxu_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
+ &rtl28xxu_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
+ { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
+ &rtl28xxu_props, "Dexatek DK DVB-T Dongle", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
+ &rtl28xxu_props, "DigitalNow Quad DVB-T Receiver", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
+ &rtl28xxu_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS_PLUS,
+ &rtl28xxu_props, "Leadtek WinFast DTV2000DS Plus", RC_MAP_LEADTEK_Y04G0051) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
+ &rtl28xxu_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
+ &rtl28xxu_props, "Dexatek DK mini DVB-T Dongle", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
+ &rtl28xxu_props, "TerraTec Cinergy T Stick+", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
+ &rtl28xxu_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
+ &rtl28xxu_props, "GIGABYTE U7300", NULL) },
+ { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
+ &rtl28xxu_props, "MSI DIGIVOX Micro HD", NULL) },
+ { DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
+ &rtl28xxu_props, "Compro VideoMate U620F", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
+ &rtl28xxu_props, "MaxMedia HU394-T", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
+ &rtl28xxu_props, "Leadtek WinFast DTV Dongle mini", NULL) },
+ { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
+ &rtl28xxu_props, "Crypto ReDi PC 50 A", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
+ &rtl28xxu_props, "Genius TVGo DVB-T03", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
+ &rtl28xxu_props, "Peak DVB-T USB", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
+ &rtl28xxu_props, "Sveon STV20", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
+ &rtl28xxu_props, "Sveon STV21", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
+ &rtl28xxu_props, "Sveon STV27", NULL) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TURBOX_DTT_2000,
+ &rtl28xxu_props, "TURBO-X Pure TV Tuner DTT-2000", NULL) },
+
+ /* RTL2832P devices: */
+ { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
+ &rtl28xxu_props, "Astrometa DVB-T2", NULL) },
+ { }
+};
+MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
+
+static struct usb_driver rtl28xxu_usb_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = rtl28xxu_id_table,
+ .probe = dvb_usbv2_probe,
+ .disconnect = dvb_usbv2_disconnect,
+ .suspend = dvb_usbv2_suspend,
+ .resume = dvb_usbv2_resume,
+ .reset_resume = dvb_usbv2_reset_resume,
+ .no_dynamic_id = 1,
+ .soft_unbind = 1,
+};
+
+module_usb_driver(rtl28xxu_usb_driver);
+
+MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff