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[media] Realtek RTL2830 DVB-T demodulator driver
Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
5145aa76e6
commit
c0adca7340
@ -425,6 +425,13 @@ config DVB_CXD2820R
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help
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Say Y when you want to support this frontend.
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config DVB_RTL2830
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tristate "Realtek RTL2830 DVB-T"
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depends on DVB_CORE && I2C
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default m if DVB_FE_CUSTOMISE
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help
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Say Y when you want to support this frontend.
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comment "DVB-C (cable) frontends"
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depends on DVB_CORE
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@ -96,4 +96,5 @@ obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
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obj-$(CONFIG_DVB_IT913X_FE) += it913x-fe.o
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obj-$(CONFIG_DVB_A8293) += a8293.o
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obj-$(CONFIG_DVB_TDA10071) += tda10071.o
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obj-$(CONFIG_DVB_RTL2830) += rtl2830.o
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514
drivers/media/dvb/frontends/rtl2830.c
Normal file
514
drivers/media/dvb/frontends/rtl2830.c
Normal file
@ -0,0 +1,514 @@
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/*
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* Realtek RTL2830 DVB-T demodulator driver
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*
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* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* Driver implements own I2C-adapter for tuner I2C access. That's since chip
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* have unusual I2C-gate control which closes gate automatically after each
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* I2C transfer. Using own I2C adapter we can workaround that.
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*/
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#include "rtl2830_priv.h"
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int rtl2830_debug;
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module_param_named(debug, rtl2830_debug, int, 0644);
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MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
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/* write multiple registers */
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static int rtl2830_wr_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len)
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{
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int ret;
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u8 buf[2+len];
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struct i2c_msg msg[1] = {
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{
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.addr = priv->cfg.i2c_addr,
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.flags = 0,
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.len = sizeof(buf),
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.buf = buf,
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}
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};
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buf[0] = (reg >> 8) & 0xff;
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buf[1] = (reg >> 0) & 0xff;
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memcpy(&buf[2], val, len);
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ret = i2c_transfer(priv->i2c, msg, 1);
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if (ret == 1) {
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ret = 0;
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} else {
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warn("i2c wr failed=%d reg=%04x len=%d", ret, reg, len);
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ret = -EREMOTEIO;
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}
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return ret;
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}
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/* read multiple registers */
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static int rtl2830_rd_regs(struct rtl2830_priv *priv, u16 reg, u8 *val, int len)
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{
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int ret;
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u8 buf[2];
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struct i2c_msg msg[2] = {
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{
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.addr = priv->cfg.i2c_addr,
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.flags = 0,
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.len = sizeof(buf),
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.buf = buf,
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}, {
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.addr = priv->cfg.i2c_addr,
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.flags = I2C_M_RD,
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.len = len,
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.buf = val,
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}
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};
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buf[0] = (reg >> 8) & 0xff;
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buf[1] = (reg >> 0) & 0xff;
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ret = i2c_transfer(priv->i2c, msg, 2);
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if (ret == 2) {
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ret = 0;
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} else {
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warn("i2c rd failed=%d reg=%04x len=%d", ret, reg, len);
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ret = -EREMOTEIO;
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}
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return ret;
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}
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#if 0 /* currently not used */
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/* write single register */
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static int rtl2830_wr_reg(struct rtl2830_priv *priv, u16 reg, u8 val)
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{
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return rtl2830_wr_regs(priv, reg, &val, 1);
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}
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#endif
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/* read single register */
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static int rtl2830_rd_reg(struct rtl2830_priv *priv, u16 reg, u8 *val)
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{
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return rtl2830_rd_regs(priv, reg, val, 1);
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}
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/* write single register with mask */
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int rtl2830_wr_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 val, u8 mask)
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{
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int ret;
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u8 tmp;
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/* no need for read if whole reg is written */
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if (mask != 0xff) {
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ret = rtl2830_rd_regs(priv, reg, &tmp, 1);
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if (ret)
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return ret;
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val &= mask;
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tmp &= ~mask;
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val |= tmp;
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}
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return rtl2830_wr_regs(priv, reg, &val, 1);
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}
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/* read single register with mask */
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int rtl2830_rd_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 *val, u8 mask)
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{
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int ret, i;
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u8 tmp;
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ret = rtl2830_rd_regs(priv, reg, &tmp, 1);
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if (ret)
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return ret;
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tmp &= mask;
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/* find position of the first bit */
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for (i = 0; i < 8; i++) {
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if ((mask >> i) & 0x01)
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break;
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}
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*val = tmp >> i;
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return 0;
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}
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static int rtl2830_init(struct dvb_frontend *fe)
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{
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struct rtl2830_priv *priv = fe->demodulator_priv;
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int ret, i;
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u64 num;
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u8 buf[3], tmp;
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u32 if_ctl;
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struct rtl2830_reg_val_mask tab[] = {
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{ 0x00d, 0x01, 0x03 },
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{ 0x00d, 0x10, 0x10 },
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{ 0x104, 0x00, 0x1e },
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{ 0x105, 0x80, 0x80 },
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{ 0x110, 0x02, 0x03 },
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{ 0x110, 0x08, 0x0c },
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{ 0x17b, 0x00, 0x40 },
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{ 0x17d, 0x05, 0x0f },
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{ 0x17d, 0x50, 0xf0 },
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{ 0x18c, 0x08, 0x0f },
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{ 0x18d, 0x00, 0xc0 },
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{ 0x188, 0x05, 0x0f },
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{ 0x189, 0x00, 0xfc },
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{ 0x2d5, 0x02, 0x02 },
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{ 0x2f1, 0x02, 0x06 },
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{ 0x2f1, 0x20, 0xf8 },
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{ 0x16d, 0x00, 0x01 },
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{ 0x1a6, 0x00, 0x80 },
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{ 0x106, priv->cfg.vtop, 0x3f },
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{ 0x107, priv->cfg.krf, 0x3f },
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{ 0x112, 0x28, 0xff },
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{ 0x103, priv->cfg.agc_targ_val, 0xff },
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{ 0x00a, 0x02, 0x07 },
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{ 0x140, 0x0c, 0x3c },
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{ 0x140, 0x40, 0xc0 },
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{ 0x15b, 0x05, 0x07 },
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{ 0x15b, 0x28, 0x38 },
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{ 0x15c, 0x05, 0x07 },
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{ 0x15c, 0x28, 0x38 },
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{ 0x115, priv->cfg.spec_inv, 0x01 },
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{ 0x16f, 0x01, 0x07 },
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{ 0x170, 0x18, 0x38 },
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{ 0x172, 0x0f, 0x0f },
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{ 0x173, 0x08, 0x38 },
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{ 0x175, 0x01, 0x07 },
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{ 0x176, 0x00, 0xc0 },
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};
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for (i = 0; i < ARRAY_SIZE(tab); i++) {
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ret = rtl2830_wr_reg_mask(priv, tab[i].reg, tab[i].val,
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tab[i].mask);
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if (ret)
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goto err;
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}
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ret = rtl2830_wr_regs(priv, 0x18f, "\x28\x00", 2);
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if (ret)
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goto err;
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ret = rtl2830_wr_regs(priv, 0x195,
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"\x04\x06\x0a\x12\x0a\x12\x1e\x28", 8);
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if (ret)
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goto err;
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num = priv->cfg.if_dvbt % priv->cfg.xtal;
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num *= 0x400000;
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num /= priv->cfg.xtal;
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num = -num;
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if_ctl = num & 0x3fffff;
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dbg("%s: if_ctl=%08x", __func__, if_ctl);
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ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */
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if (ret)
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goto err;
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buf[0] = tmp << 6;
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buf[0] = (if_ctl >> 16) & 0x3f;
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buf[1] = (if_ctl >> 8) & 0xff;
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buf[2] = (if_ctl >> 0) & 0xff;
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ret = rtl2830_wr_regs(priv, 0x119, buf, 3);
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if (ret)
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goto err;
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/* TODO: spec init */
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/* soft reset */
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ret = rtl2830_wr_reg_mask(priv, 0x101, 0x04, 0x04);
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if (ret)
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goto err;
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ret = rtl2830_wr_reg_mask(priv, 0x101, 0x00, 0x04);
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if (ret)
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goto err;
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return ret;
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err:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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int rtl2830_get_tune_settings(struct dvb_frontend *fe,
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struct dvb_frontend_tune_settings *s)
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{
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s->min_delay_ms = 500;
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s->step_size = fe->ops.info.frequency_stepsize * 2;
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s->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1;
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return 0;
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}
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static int rtl2830_set_frontend(struct dvb_frontend *fe)
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{
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struct rtl2830_priv *priv = fe->demodulator_priv;
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret, i;
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static u8 bw_params1[3][34] = {
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{
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0x1f, 0xf0, 0x1f, 0xf0, 0x1f, 0xfa, 0x00, 0x17, 0x00, 0x41,
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0x00, 0x64, 0x00, 0x67, 0x00, 0x38, 0x1f, 0xde, 0x1f, 0x7a,
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0x1f, 0x47, 0x1f, 0x7c, 0x00, 0x30, 0x01, 0x4b, 0x02, 0x82,
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0x03, 0x73, 0x03, 0xcf, /* 6 MHz */
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}, {
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0x1f, 0xfa, 0x1f, 0xda, 0x1f, 0xc1, 0x1f, 0xb3, 0x1f, 0xca,
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0x00, 0x07, 0x00, 0x4d, 0x00, 0x6d, 0x00, 0x40, 0x1f, 0xca,
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0x1f, 0x4d, 0x1f, 0x2a, 0x1f, 0xb2, 0x00, 0xec, 0x02, 0x7e,
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0x03, 0xd0, 0x04, 0x53, /* 7 MHz */
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}, {
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0x00, 0x10, 0x00, 0x0e, 0x1f, 0xf7, 0x1f, 0xc9, 0x1f, 0xa0,
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0x1f, 0xa6, 0x1f, 0xec, 0x00, 0x4e, 0x00, 0x7d, 0x00, 0x3a,
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0x1f, 0x98, 0x1f, 0x10, 0x1f, 0x40, 0x00, 0x75, 0x02, 0x5f,
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0x04, 0x24, 0x04, 0xdb, /* 8 MHz */
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},
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};
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static u8 bw_params2[3][6] = {
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{0xc3, 0x0c, 0x44, 0x33, 0x33, 0x30,}, /* 6 MHz */
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{0xb8, 0xe3, 0x93, 0x99, 0x99, 0x98,}, /* 7 MHz */
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{0xae, 0xba, 0xf3, 0x26, 0x66, 0x64,}, /* 8 MHz */
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};
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dbg("%s: frequency=%d bandwidth_hz=%d inversion=%d", __func__,
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c->frequency, c->bandwidth_hz, c->inversion);
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/* program tuner */
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if (fe->ops.tuner_ops.set_params)
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fe->ops.tuner_ops.set_params(fe);
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switch (c->bandwidth_hz) {
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case 6000000:
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i = 0;
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break;
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case 7000000:
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i = 1;
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break;
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case 8000000:
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i = 2;
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break;
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default:
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dbg("invalid bandwidth");
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return -EINVAL;
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}
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ret = rtl2830_wr_reg_mask(priv, 0x008, i << 1, 0x06);
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if (ret)
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goto err;
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/* 1/2 split I2C write */
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ret = rtl2830_wr_regs(priv, 0x11c, &bw_params1[i][0], 17);
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if (ret)
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goto err;
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/* 2/2 split I2C write */
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ret = rtl2830_wr_regs(priv, 0x12d, &bw_params1[i][17], 17);
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if (ret)
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goto err;
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ret = rtl2830_wr_regs(priv, 0x19d, bw_params2[i], 6);
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if (ret)
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goto err;
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return ret;
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err:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int rtl2830_read_status(struct dvb_frontend *fe, fe_status_t *status)
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{
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struct rtl2830_priv *priv = fe->demodulator_priv;
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int ret;
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u8 tmp;
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*status = 0;
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ret = rtl2830_rd_reg_mask(priv, 0x351, &tmp, 0x78); /* [6:3] */
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if (ret)
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goto err;
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if (tmp == 11) {
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*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
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FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
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} else if (tmp == 10) {
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*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
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FE_HAS_VITERBI;
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}
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return ret;
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err:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr)
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{
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*snr = 0;
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return 0;
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}
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static int rtl2830_read_ber(struct dvb_frontend *fe, u32 *ber)
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{
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*ber = 0;
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return 0;
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}
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static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
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{
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*ucblocks = 0;
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return 0;
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}
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static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
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{
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*strength = 0;
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return 0;
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}
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static struct dvb_frontend_ops rtl2830_ops;
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static u32 rtl2830_tuner_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static int rtl2830_tuner_i2c_xfer(struct i2c_adapter *i2c_adap,
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struct i2c_msg msg[], int num)
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{
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struct rtl2830_priv *priv = i2c_get_adapdata(i2c_adap);
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int ret;
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/* open i2c-gate */
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ret = rtl2830_wr_reg_mask(priv, 0x101, 0x08, 0x08);
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if (ret)
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goto err;
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ret = i2c_transfer(priv->i2c, msg, num);
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if (ret < 0)
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warn("tuner i2c failed=%d", ret);
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return ret;
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err:
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dbg("%s: failed=%d", __func__, ret);
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return ret;
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}
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static struct i2c_algorithm rtl2830_tuner_i2c_algo = {
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.master_xfer = rtl2830_tuner_i2c_xfer,
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.functionality = rtl2830_tuner_i2c_func,
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};
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struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(struct dvb_frontend *fe)
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{
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||||
struct rtl2830_priv *priv = fe->demodulator_priv;
|
||||
return &priv->tuner_i2c_adapter;
|
||||
}
|
||||
EXPORT_SYMBOL(rtl2830_get_tuner_i2c_adapter);
|
||||
|
||||
static void rtl2830_release(struct dvb_frontend *fe)
|
||||
{
|
||||
struct rtl2830_priv *priv = fe->demodulator_priv;
|
||||
|
||||
i2c_del_adapter(&priv->tuner_i2c_adapter);
|
||||
kfree(priv);
|
||||
}
|
||||
|
||||
struct dvb_frontend *rtl2830_attach(const struct rtl2830_config *cfg,
|
||||
struct i2c_adapter *i2c)
|
||||
{
|
||||
struct rtl2830_priv *priv = NULL;
|
||||
int ret = 0;
|
||||
u8 tmp;
|
||||
|
||||
/* allocate memory for the internal state */
|
||||
priv = kzalloc(sizeof(struct rtl2830_priv), GFP_KERNEL);
|
||||
if (priv == NULL)
|
||||
goto err;
|
||||
|
||||
/* setup the priv */
|
||||
priv->i2c = i2c;
|
||||
memcpy(&priv->cfg, cfg, sizeof(struct rtl2830_config));
|
||||
|
||||
/* check if the demod is there */
|
||||
ret = rtl2830_rd_reg(priv, 0x000, &tmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&priv->fe.ops, &rtl2830_ops, sizeof(struct dvb_frontend_ops));
|
||||
priv->fe.demodulator_priv = priv;
|
||||
|
||||
/* create tuner i2c adapter */
|
||||
strlcpy(priv->tuner_i2c_adapter.name, "RTL2830 tuner I2C adapter",
|
||||
sizeof(priv->tuner_i2c_adapter.name));
|
||||
priv->tuner_i2c_adapter.algo = &rtl2830_tuner_i2c_algo;
|
||||
priv->tuner_i2c_adapter.algo_data = NULL;
|
||||
i2c_set_adapdata(&priv->tuner_i2c_adapter, priv);
|
||||
if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) {
|
||||
err("tuner I2C bus could not be initialized");
|
||||
goto err;
|
||||
}
|
||||
|
||||
return &priv->fe;
|
||||
err:
|
||||
dbg("%s: failed=%d", __func__, ret);
|
||||
kfree(priv);
|
||||
return NULL;
|
||||
}
|
||||
EXPORT_SYMBOL(rtl2830_attach);
|
||||
|
||||
static struct dvb_frontend_ops rtl2830_ops = {
|
||||
.delsys = { SYS_DVBT },
|
||||
.info = {
|
||||
.name = "Realtek RTL2830 (DVB-T)",
|
||||
.caps = FE_CAN_FEC_1_2 |
|
||||
FE_CAN_FEC_2_3 |
|
||||
FE_CAN_FEC_3_4 |
|
||||
FE_CAN_FEC_5_6 |
|
||||
FE_CAN_FEC_7_8 |
|
||||
FE_CAN_FEC_AUTO |
|
||||
FE_CAN_QPSK |
|
||||
FE_CAN_QAM_16 |
|
||||
FE_CAN_QAM_64 |
|
||||
FE_CAN_QAM_AUTO |
|
||||
FE_CAN_TRANSMISSION_MODE_AUTO |
|
||||
FE_CAN_GUARD_INTERVAL_AUTO |
|
||||
FE_CAN_HIERARCHY_AUTO |
|
||||
FE_CAN_RECOVER |
|
||||
FE_CAN_MUTE_TS
|
||||
},
|
||||
|
||||
.release = rtl2830_release,
|
||||
|
||||
.init = rtl2830_init,
|
||||
|
||||
.get_tune_settings = rtl2830_get_tune_settings,
|
||||
|
||||
.set_frontend = rtl2830_set_frontend,
|
||||
|
||||
.read_status = rtl2830_read_status,
|
||||
.read_snr = rtl2830_read_snr,
|
||||
.read_ber = rtl2830_read_ber,
|
||||
.read_ucblocks = rtl2830_read_ucblocks,
|
||||
.read_signal_strength = rtl2830_read_signal_strength,
|
||||
};
|
||||
|
||||
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
||||
MODULE_DESCRIPTION("Realtek RTL2830 DVB-T demodulator driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
97
drivers/media/dvb/frontends/rtl2830.h
Normal file
97
drivers/media/dvb/frontends/rtl2830.h
Normal file
@ -0,0 +1,97 @@
|
||||
/*
|
||||
* Realtek RTL2830 DVB-T demodulator driver
|
||||
*
|
||||
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef RTL2830_H
|
||||
#define RTL2830_H
|
||||
|
||||
#include <linux/dvb/frontend.h>
|
||||
|
||||
struct rtl2830_config {
|
||||
/*
|
||||
* Demodulator I2C address.
|
||||
*/
|
||||
u8 i2c_addr;
|
||||
|
||||
/*
|
||||
* Xtal frequency.
|
||||
* Hz
|
||||
* 4000000, 16000000, 25000000, 28800000
|
||||
*/
|
||||
u32 xtal;
|
||||
|
||||
/*
|
||||
* TS output mode.
|
||||
*/
|
||||
u8 ts_mode;
|
||||
|
||||
/*
|
||||
* Spectrum inversion.
|
||||
*/
|
||||
bool spec_inv;
|
||||
|
||||
/*
|
||||
* IFs for all used modes.
|
||||
* Hz
|
||||
* 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
|
||||
*/
|
||||
u32 if_dvbt;
|
||||
|
||||
/*
|
||||
*/
|
||||
u8 vtop;
|
||||
|
||||
/*
|
||||
*/
|
||||
u8 krf;
|
||||
|
||||
/*
|
||||
*/
|
||||
u8 agc_targ_val;
|
||||
};
|
||||
|
||||
#if defined(CONFIG_DVB_RTL2830) || \
|
||||
(defined(CONFIG_DVB_RTL2830_MODULE) && defined(MODULE))
|
||||
extern struct dvb_frontend *rtl2830_attach(
|
||||
const struct rtl2830_config *config,
|
||||
struct i2c_adapter *i2c
|
||||
);
|
||||
|
||||
extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
|
||||
struct dvb_frontend *fe
|
||||
);
|
||||
#else
|
||||
static inline struct dvb_frontend *rtl2830_attach(
|
||||
const struct rtl2830_config *config,
|
||||
struct i2c_adapter *i2c
|
||||
)
|
||||
{
|
||||
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
|
||||
struct dvb_frontend *fe
|
||||
)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* RTL2830_H */
|
||||
53
drivers/media/dvb/frontends/rtl2830_priv.h
Normal file
53
drivers/media/dvb/frontends/rtl2830_priv.h
Normal file
@ -0,0 +1,53 @@
|
||||
/*
|
||||
* Realtek RTL2830 DVB-T demodulator driver
|
||||
*
|
||||
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef RTL2830_PRIV_H
|
||||
#define RTL2830_PRIV_H
|
||||
|
||||
#include "dvb_frontend.h"
|
||||
#include "rtl2830.h"
|
||||
|
||||
#define LOG_PREFIX "rtl2830"
|
||||
|
||||
#undef dbg
|
||||
#define dbg(f, arg...) \
|
||||
if (rtl2830_debug) \
|
||||
printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
|
||||
#undef err
|
||||
#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg)
|
||||
#undef info
|
||||
#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
|
||||
#undef warn
|
||||
#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg)
|
||||
|
||||
struct rtl2830_priv {
|
||||
struct i2c_adapter *i2c;
|
||||
struct dvb_frontend fe;
|
||||
struct rtl2830_config cfg;
|
||||
struct i2c_adapter tuner_i2c_adapter;
|
||||
};
|
||||
|
||||
struct rtl2830_reg_val_mask {
|
||||
u16 reg;
|
||||
u8 val;
|
||||
u8 mask;
|
||||
};
|
||||
|
||||
#endif /* RTL2830_PRIV_H */
|
||||
Loading…
Reference in New Issue
Block a user