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authorAntti Palosaari <crope@iki.fi>2012-09-17 14:01:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-27 15:14:10 -0300
commitef37be1b4dd4d6fb4d4d9aae21af1ba616205322 (patch)
tree31acb4668f55ef2a0341d9131446ffe716833e87
parent4395e4b76d550242f83eea4c461aacea66ddd385 (diff)
downloadvexpress-lsk-ef37be1b4dd4d6fb4d4d9aae21af1ba616205322.tar.gz
[media] rtl28xxu: move rtl2832u tuner probing to .read_config()
Move rtl2832u tuner probing correct place. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c351
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.h1
2 files changed, 175 insertions, 177 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 226ec542a70..5eabeacccbc 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -254,6 +254,156 @@ static struct i2c_algorithm rtl28xxu_i2c_algo = {
.functionality = rtl28xxu_i2c_func,
};
+static int rtl2832u_read_config(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_priv *priv = d_to_priv(d);
+ int ret;
+ u8 buf[2], val;
+ /* 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};
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_DIR, &val);
+ if (ret)
+ goto err;
+
+ val &= 0xbf;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, val);
+ if (ret)
+ goto err;
+
+ /* enable as output GPIO3 and GPIO6 */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_EN, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x48;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, val);
+ 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;
+
+ priv->tuner_name = "NONE";
+
+ /* check FC0012 ID register; reg=00 val=a1 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
+ if (ret == 0 && buf[0] == 0xa1) {
+ priv->tuner = TUNER_RTL2832_FC0012;
+ priv->tuner_name = "FC0012";
+ goto found;
+ }
+
+ /* check FC0013 ID register; reg=00 val=a3 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
+ if (ret == 0 && buf[0] == 0xa3) {
+ priv->tuner = TUNER_RTL2832_FC0013;
+ priv->tuner_name = "FC0013";
+ goto found;
+ }
+
+ /* check MT2266 ID register; reg=00 val=85 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
+ if (ret == 0 && buf[0] == 0x85) {
+ priv->tuner = TUNER_RTL2832_MT2266;
+ priv->tuner_name = "MT2266";
+ goto found;
+ }
+
+ /* check FC2580 ID register; reg=01 val=56 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
+ if (ret == 0 && buf[0] == 0x56) {
+ priv->tuner = TUNER_RTL2832_FC2580;
+ priv->tuner_name = "FC2580";
+ goto 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)) {
+ priv->tuner = TUNER_RTL2832_MT2063;
+ priv->tuner_name = "MT2063";
+ goto found;
+ }
+
+ /* check MAX3543 ID register; reg=00 val=38 */
+ ret = rtl28xxu_ctrl_msg(d, &req_max3543);
+ if (ret == 0 && buf[0] == 0x38) {
+ priv->tuner = TUNER_RTL2832_MAX3543;
+ priv->tuner_name = "MAX3543";
+ goto 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) {
+ priv->tuner = TUNER_RTL2832_TUA9001;
+ priv->tuner_name = "TUA9001";
+ goto found;
+ }
+
+ /* check MXL5007R ID register; reg=d9 val=14 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
+ if (ret == 0 && buf[0] == 0x14) {
+ priv->tuner = TUNER_RTL2832_MXL5007T;
+ priv->tuner_name = "MXL5007T";
+ goto found;
+ }
+
+ /* check E4000 ID register; reg=02 val=40 */
+ ret = rtl28xxu_ctrl_msg(d, &req_e4000);
+ if (ret == 0 && buf[0] == 0x40) {
+ priv->tuner = TUNER_RTL2832_E4000;
+ priv->tuner_name = "E4000";
+ goto 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)) {
+ priv->tuner = TUNER_RTL2832_TDA18272;
+ priv->tuner_name = "TDA18272";
+ goto found;
+ }
+
+found:
+ dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
+
+ /* close demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
.i2c_addr = 0x10, /* 0x20 */
.xtal = 28800000,
@@ -537,199 +687,45 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
struct rtl2832_config *rtl2832_config;
- u8 buf[2], val;
- /* 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"};
- /* for FC0012 tuner probe */
- struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
- /* for FC0013 tuner probe */
- struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
- /* for MT2266 tuner probe */
- struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
- /* for FC2580 tuner probe */
- struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
- /* for MT2063 tuner probe */
- struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
- /* for MAX3543 tuner probe */
- struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
- /* for TUA9001 tuner probe */
- struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
- /* for MXL5007T tuner probe */
- struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
- /* for E4000 tuner probe */
- struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
- /* for TDA18272 tuner probe */
- struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
dev_dbg(&d->udev->dev, "%s:\n", __func__);
- ret = rtl28xx_rd_reg(d, SYS_GPIO_DIR, &val);
- if (ret)
- goto err;
-
- val &= 0xbf;
-
- ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, val);
- if (ret)
- goto err;
-
- /* enable as output GPIO3 and GPIO6*/
- ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_EN, &val);
- if (ret)
- goto err;
-
- val |= 0x48;
-
- ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, val);
- 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;
-
- priv->tuner = TUNER_NONE;
-
- /* check FC0012 ID register; reg=00 val=a1 */
- ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
- if (ret == 0 && buf[0] == 0xa1) {
- priv->tuner = TUNER_RTL2832_FC0012;
+ switch (priv->tuner) {
+ case TUNER_RTL2832_FC0012:
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
- dev_info(&d->udev->dev, "%s: FC0012 tuner found",
- KBUILD_MODNAME);
- goto found;
- }
-
- /* check FC0013 ID register; reg=00 val=a3 */
- ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
- if (ret == 0 && buf[0] == 0xa3) {
- priv->tuner = TUNER_RTL2832_FC0013;
+ break;
+ case TUNER_RTL2832_FC0013:
rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
- dev_info(&d->udev->dev, "%s: FC0013 tuner found",
- KBUILD_MODNAME);
- goto found;
- }
-
- /* check MT2266 ID register; reg=00 val=85 */
- ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
- if (ret == 0 && buf[0] == 0x85) {
- priv->tuner = TUNER_RTL2832_MT2266;
- /* TODO implement tuner */
- dev_info(&d->udev->dev, "%s: MT2266 tuner found",
- KBUILD_MODNAME);
- goto unsupported;
- }
-
- /* check FC2580 ID register; reg=01 val=56 */
- ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
- if (ret == 0 && buf[0] == 0x56) {
- priv->tuner = TUNER_RTL2832_FC2580;
+ break;
+ case TUNER_RTL2832_FC2580:
/* FIXME: do not abuse fc0012 settings */
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
- dev_info(&d->udev->dev, "%s: FC2580 tuner found",
- KBUILD_MODNAME);
- goto 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)) {
- priv->tuner = TUNER_RTL2832_MT2063;
- /* TODO implement tuner */
- dev_info(&d->udev->dev, "%s: MT2063 tuner found",
- KBUILD_MODNAME);
- goto unsupported;
- }
-
- /* check MAX3543 ID register; reg=00 val=38 */
- ret = rtl28xxu_ctrl_msg(d, &req_max3543);
- if (ret == 0 && buf[0] == 0x38) {
- priv->tuner = TUNER_RTL2832_MAX3543;
- /* TODO implement tuner */
- dev_info(&d->udev->dev, "%s: MAX3534 tuner found",
- KBUILD_MODNAME);
- goto unsupported;
- }
-
- /* check TUA9001 ID register; reg=7e val=2328 */
- ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
- if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
- priv->tuner = TUNER_RTL2832_TUA9001;
+ break;
+ case TUNER_RTL2832_TUA9001:
rtl2832_config = &rtl28xxu_rtl2832_tua9001_config;
- dev_info(&d->udev->dev, "%s: TUA9001 tuner found",
- KBUILD_MODNAME);
- goto found;
- }
-
- /* check MXL5007R ID register; reg=d9 val=14 */
- ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
- if (ret == 0 && buf[0] == 0x14) {
- priv->tuner = TUNER_RTL2832_MXL5007T;
- /* TODO implement tuner */
- dev_info(&d->udev->dev, "%s: MXL5007T tuner found",
- KBUILD_MODNAME);
- goto unsupported;
- }
-
- /* check E4000 ID register; reg=02 val=40 */
- ret = rtl28xxu_ctrl_msg(d, &req_e4000);
- if (ret == 0 && buf[0] == 0x40) {
- priv->tuner = TUNER_RTL2832_E4000;
+ break;
+ case TUNER_RTL2832_E4000:
/* FIXME: do not abuse fc0012 settings */
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
- dev_info(&d->udev->dev, "%s: E4000 tuner found",
- KBUILD_MODNAME);
- goto 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)) {
- priv->tuner = TUNER_RTL2832_TDA18272;
- /* TODO implement tuner */
- dev_info(&d->udev->dev, "%s: TDA18272 tuner found",
- KBUILD_MODNAME);
- goto unsupported;
- }
-
-unsupported:
- /* close demod I2C gate */
- ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
- if (ret)
- goto err;
-
- /* tuner not found */
- dev_dbg(&d->udev->dev, "%s: No compatible tuner found\n", __func__);
- ret = -ENODEV;
- return ret;
-
-found:
- /* close demod I2C gate */
- ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
- if (ret)
+ break;
+ default:
+ dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
+ KBUILD_MODNAME, priv->tuner_name);
+ ret = -ENODEV;
goto err;
+ }
/* attach demodulator */
- adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config,
- &d->i2c_adap);
- if (adap->fe[0] == NULL) {
- ret = -ENODEV;
- goto err;
- }
+ adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap);
+ if (!adap->fe[0]) {
+ ret = -ENODEV;
+ goto err;
+ }
- /* set fe callbacks */
+ /* set fe callback */
adap->fe[0]->callback = rtl2832u_frontend_callback;
- return ret;
-
+ return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
@@ -1304,6 +1300,7 @@ static const struct dvb_usb_device_properties rtl2832u_props = {
.power_ctrl = rtl2832u_power_ctrl,
.i2c_algo = &rtl28xxu_i2c_algo,
+ .read_config = rtl2832u_read_config,
.frontend_attach = rtl2832u_frontend_attach,
.tuner_attach = rtl2832u_tuner_attach,
.init = rtl28xxu_init,
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
index c6c8a4fe0b3..2f3af2d3b6c 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h
@@ -53,6 +53,7 @@
struct rtl28xxu_priv {
u8 chip_id;
u8 tuner;
+ char *tuner_name;
u8 page; /* integrated demod active register page */
bool rc_active;
};