From 81347f5a2dda0f4dffdaf5ec7f93f9d6d398ef8c Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 17 Sep 2012 16:50:36 -0300 Subject: [PATCH] [media] rtl28xxu: move rtl2831u tuner probing to .read_config() Move rtl2831u tuner probing correct place. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 175 ++++++++++++++++++-------------- 1 file 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 757abee..4d8382a 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, -- 2.7.4