From c0ceac97d2846af16f6fd1e6bdbbce54639ef125 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 7 Dec 2014 22:02:23 -0300 Subject: [PATCH] [media] rtl28xxu: use I2C binding for RTL2830 demod driver rtl2830 driver supports now I2C model too. Start using it. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 80 +++++++++++++++------------------ drivers/media/usb/dvb-usb-v2/rtl28xxu.h | 17 +++++++ 2 files changed, 54 insertions(+), 43 deletions(-) diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 705c6c3..fcb5c36 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -22,23 +22,6 @@ #include "rtl28xxu.h" -#include "rtl2830.h" -#include "rtl2832.h" -#include "rtl2832_sdr.h" -#include "mn88472.h" -#include "mn88473.h" - -#include "qt1010.h" -#include "mt2060.h" -#include "mxl5005s.h" -#include "fc0012.h" -#include "fc0013.h" -#include "e4000.h" -#include "fc2580.h" -#include "tua9001.h" -#include "r820t.h" - - #ifdef CONFIG_MEDIA_ATTACH #define dvb_attach_sdr(FUNCTION, ARGS...) ({ \ void *__r = NULL; \ @@ -572,10 +555,8 @@ err: return ret; } -static const struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = { - .i2c_addr = 0x10, /* 0x20 */ - .xtal = 28800000, - .ts_mode = 0, +static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = { + .clk = 28800000, .spec_inv = 1, .vtop = 0x20, .krf = 0x04, @@ -583,20 +564,16 @@ static const struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = { }; -static const struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = { - .i2c_addr = 0x10, /* 0x20 */ - .xtal = 28800000, - .ts_mode = 0, +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_config rtl28xxu_rtl2830_mxl5005s_config = { - .i2c_addr = 0x10, /* 0x20 */ - .xtal = 28800000, - .ts_mode = 0, +static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = { + .clk = 28800000, .spec_inv = 0, .vtop = 0x3f, .krf = 0x04, @@ -607,20 +584,22 @@ static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct rtl28xxu_priv *priv = d_to_priv(d); - const struct rtl2830_config *rtl2830_config; + struct rtl2830_platform_data *pdata = &priv->rtl2830_platform_data; + struct i2c_board_info board_info; + struct i2c_client *client; int ret; dev_dbg(&d->udev->dev, "%s:\n", __func__); switch (priv->tuner) { case TUNER_RTL2830_QT1010: - rtl2830_config = &rtl28xxu_rtl2830_qt1010_config; + *pdata = rtl2830_qt1010_platform_data; break; case TUNER_RTL2830_MT2060: - rtl2830_config = &rtl28xxu_rtl2830_mt2060_config; + *pdata = rtl2830_mt2060_platform_data; break; case TUNER_RTL2830_MXL5005S: - rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config; + *pdata = rtl2830_mxl5005s_platform_data; break; default: dev_err(&d->udev->dev, "%s: unknown tuner=%s\n", @@ -630,12 +609,28 @@ static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) } /* attach demodulator */ - adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap); - if (!adap->fe[0]) { + 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); + priv->demod_i2c_adapter = pdata->get_i2c_adapter(client); + + priv->i2c_client_demod = client; + return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); @@ -973,27 +968,25 @@ static int rtl2831u_tuner_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); - struct i2c_adapter *rtl2830_tuner_i2c; struct dvb_frontend *fe; dev_dbg(&d->udev->dev, "%s:\n", __func__); - /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */ - rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]); - switch (priv->tuner) { case TUNER_RTL2830_QT1010: fe = dvb_attach(qt1010_attach, adap->fe[0], - rtl2830_tuner_i2c, &rtl28xxu_qt1010_config); + priv->demod_i2c_adapter, + &rtl28xxu_qt1010_config); break; case TUNER_RTL2830_MT2060: fe = dvb_attach(mt2060_attach, adap->fe[0], - rtl2830_tuner_i2c, &rtl28xxu_mt2060_config, - 1220); + priv->demod_i2c_adapter, + &rtl28xxu_mt2060_config, 1220); break; case TUNER_RTL2830_MXL5005S: fe = dvb_attach(mxl5005s_attach, adap->fe[0], - rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config); + priv->demod_i2c_adapter, + &rtl28xxu_mxl5005s_config); break; default: fe = NULL; @@ -1586,6 +1579,7 @@ static const struct dvb_usb_device_properties rtl2831u_props = { .i2c_algo = &rtl28xxu_i2c_algo, .read_config = rtl2831u_read_config, .frontend_attach = rtl2831u_frontend_attach, + .frontend_detach = rtl2832u_frontend_detach, .tuner_attach = rtl2831u_tuner_attach, .init = rtl28xxu_init, .get_rc_config = rtl2831u_get_rc_config, diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h index e52a2b7..3f630c8 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h @@ -24,6 +24,22 @@ #include "dvb_usb.h" +#include "rtl2830.h" +#include "rtl2832.h" +#include "rtl2832_sdr.h" +#include "mn88472.h" +#include "mn88473.h" + +#include "qt1010.h" +#include "mt2060.h" +#include "mxl5005s.h" +#include "fc0012.h" +#include "fc0013.h" +#include "e4000.h" +#include "fc2580.h" +#include "tua9001.h" +#include "r820t.h" + /* * USB commands * (usb_control_msg() index parameter) @@ -64,6 +80,7 @@ struct rtl28xxu_priv { #define SLAVE_DEMOD_MN88472 1 #define SLAVE_DEMOD_MN88473 2 unsigned int slave_demod:2; + struct rtl2830_platform_data rtl2830_platform_data; }; enum rtl28xxu_chip_id { -- 2.7.4