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authorAntti Palosaari <crope@iki.fi>2012-09-17 16:50:36 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-27 15:14:13 -0300
commit81347f5a2dda0f4dffdaf5ec7f93f9d6d398ef8c (patch)
tree7d7daf4967a8054f1e031fe97368b0a6dc6c82df /drivers/media/usb/dvb-usb-v2/rtl28xxu.c
parent97efe7811be6634d6b520a9cdd9f723369af9216 (diff)
downloadvexpress-lsk-81347f5a2dda0f4dffdaf5ec7f93f9d6d398ef8c.tar.gz
[media] rtl28xxu: move rtl2831u tuner probing to .read_config()
Move rtl2831u tuner probing correct place. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/rtl28xxu.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c175
1 files changed, 99 insertions, 76 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index 757abee4c2c..4d8382a0ee8 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -274,6 +274,87 @@ static struct i2c_algorithm rtl28xxu_i2c_algo = {
.functionality = rtl28xxu_i2c_func,
};
+static int rtl2831u_read_config(struct dvb_usb_device *d)
+{
+ struct rtl28xxu_priv *priv = 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->udev->dev, "%s:\n", __func__);
+
+ /*
+ * 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 = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
+ if (ret)
+ goto err;
+
+ /* enable as output GPIO0, GPIO2, GPIO4 */
+ ret = rtl28xx_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);
+
+ priv->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) {
+ priv->tuner = TUNER_RTL2830_QT1010;
+ priv->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) {
+ priv->tuner = TUNER_RTL2830_MT2060;
+ priv->tuner_name = "MT2060";
+ goto found;
+ }
+
+ /* assume MXL5005S */
+ priv->tuner = TUNER_RTL2830_MXL5005S;
+ priv->tuner_name = "MXL5005S";
+ goto found;
+
+found:
+ dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
static int rtl2832u_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_priv *priv = d_to_priv(d);
@@ -445,97 +526,38 @@ static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
- int ret;
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_priv *priv = d_to_priv(d);
- u8 buf[1];
struct rtl2830_config *rtl2830_config;
- /* open RTL2831U/RTL2830 I2C gate */
- struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" };
- /* for MT2060 tuner probe */
- struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf };
- /* for QT1010 tuner probe */
- struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf };
+ int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
- /*
- * 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 = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
- if (ret)
- goto err;
-
- /* enable as output GPIO0, GPIO2, GPIO4 */
- ret = rtl28xx_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);
-
- /* open demod I2C gate */
- ret = rtl28xxu_ctrl_msg(d, &req_gate);
- 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) {
- priv->tuner = TUNER_RTL2830_QT1010;
+ switch (priv->tuner) {
+ case TUNER_RTL2830_QT1010:
rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
- dev_dbg(&d->udev->dev, "%s: QT1010\n", __func__);
- goto found;
- } else {
- dev_dbg(&d->udev->dev, "%s: QT1010 probe failed=%d - %02x\n",
- __func__, ret, buf[0]);
- }
-
- /* open demod I2C gate */
- ret = rtl28xxu_ctrl_msg(d, &req_gate);
- 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) {
- priv->tuner = TUNER_RTL2830_MT2060;
+ break;
+ case TUNER_RTL2830_MT2060:
rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
- dev_dbg(&d->udev->dev, "%s: MT2060\n", __func__);
- goto found;
- } else {
- dev_dbg(&d->udev->dev, "%s: MT2060 probe failed=%d - %02x\n",
- __func__, ret, buf[0]);
+ break;
+ case TUNER_RTL2830_MXL5005S:
+ rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
+ break;
+ default:
+ dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
+ KBUILD_MODNAME, priv->tuner_name);
+ ret = -ENODEV;
+ goto err;
}
- /* assume MXL5005S */
- ret = 0;
- priv->tuner = TUNER_RTL2830_MXL5005S;
- rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
- dev_dbg(&d->udev->dev, "%s: MXL5005S\n", __func__);
- goto found;
-
-found:
/* attach demodulator */
- adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config,
- &d->i2c_adap);
- if (adap->fe[0] == NULL) {
+ adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap);
+ if (!adap->fe[0]) {
ret = -ENODEV;
goto err;
}
- return ret;
+ return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
@@ -1264,6 +1286,7 @@ static const struct dvb_usb_device_properties rtl2831u_props = {
.power_ctrl = rtl2831u_power_ctrl,
.i2c_algo = &rtl28xxu_i2c_algo,
+ .read_config = rtl2831u_read_config,
.frontend_attach = rtl2831u_frontend_attach,
.tuner_attach = rtl2831u_tuner_attach,
.init = rtl28xxu_init,