V4L/DVB (10452): Add Freescale MC44S803 tuner driver
Add Freescale MC44S803 tuner driver. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jochen Friedrich
Mauro Carvalho Chehab
parent
812b1f9d54
commit
b72dbaefbd
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@ -29,6 +29,7 @@ config MEDIA_TUNER
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select MEDIA_TUNER_TEA5767 if !MEDIA_TUNER_CUSTOMIZE
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select MEDIA_TUNER_SIMPLE if !MEDIA_TUNER_CUSTOMIZE
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select MEDIA_TUNER_TDA9887 if !MEDIA_TUNER_CUSTOMIZE
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select MEDIA_TUNER_MC44S803 if !MEDIA_TUNER_CUSTOMIZE
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menuconfig MEDIA_TUNER_CUSTOMIZE
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bool "Customize analog and hybrid tuner modules to build"
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@ -164,4 +165,11 @@ config MEDIA_TUNER_MXL5007T
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help
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A driver for the silicon tuner MxL5007T from MaxLinear.
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config MEDIA_TUNER_MC44S803
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tristate "Freescale MC44S803 Low Power CMOS Broadband tuners"
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depends on VIDEO_MEDIA && I2C
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default m if DVB_FE_CUSTOMISE
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help
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Say Y here to support the Freescale MC44S803 based tuners
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endif # MEDIA_TUNER_CUSTOMIZE
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@ -22,6 +22,7 @@ obj-$(CONFIG_MEDIA_TUNER_QT1010) += qt1010.o
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obj-$(CONFIG_MEDIA_TUNER_MT2131) += mt2131.o
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obj-$(CONFIG_MEDIA_TUNER_MXL5005S) += mxl5005s.o
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obj-$(CONFIG_MEDIA_TUNER_MXL5007T) += mxl5007t.o
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obj-$(CONFIG_MEDIA_TUNER_MC44S803) += mc44s803.o
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EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
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EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
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@ -0,0 +1,371 @@
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/*
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* Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
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*
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* Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
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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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*
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/dvb/frontend.h>
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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#include "mc44s803.h"
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#include "mc44s803_priv.h"
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#define mc_printk(level, format, arg...) \
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printk(level "mc44s803: " format , ## arg)
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/* Writes a single register */
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static int mc44s803_writereg(struct mc44s803_priv *priv, u32 val)
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{
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u8 buf[3];
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struct i2c_msg msg = {
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.addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 3
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};
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buf[0] = (val & 0xff0000) >> 16;
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buf[1] = (val & 0xff00) >> 8;
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buf[2] = (val & 0xff);
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if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
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mc_printk(KERN_WARNING, "I2C write failed\n");
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return -EREMOTEIO;
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}
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return 0;
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}
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/* Reads a single register */
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static int mc44s803_readreg(struct mc44s803_priv *priv, u8 reg, u32 *val)
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{
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u32 wval;
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u8 buf[3];
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int ret;
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struct i2c_msg msg[] = {
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{ .addr = priv->cfg->i2c_address, .flags = I2C_M_RD,
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.buf = buf, .len = 3 },
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};
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wval = MC44S803_REG_SM(MC44S803_REG_DATAREG, MC44S803_ADDR) |
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MC44S803_REG_SM(reg, MC44S803_D);
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ret = mc44s803_writereg(priv, wval);
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if (ret)
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return ret;
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if (i2c_transfer(priv->i2c, msg, 1) != 1) {
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mc_printk(KERN_WARNING, "I2C read failed\n");
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return -EREMOTEIO;
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}
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*val = (buf[0] << 16) | (buf[1] << 8) | buf[2];
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return 0;
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}
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static int mc44s803_release(struct dvb_frontend *fe)
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{
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struct mc44s803_priv *priv = fe->tuner_priv;
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fe->tuner_priv = NULL;
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kfree(priv);
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return 0;
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}
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static int mc44s803_init(struct dvb_frontend *fe)
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{
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struct mc44s803_priv *priv = fe->tuner_priv;
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u32 val;
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int err;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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/* Reset chip */
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val = MC44S803_REG_SM(MC44S803_REG_RESET, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_RS);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_RESET, MC44S803_ADDR);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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/* Power Up and Start Osc */
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val = MC44S803_REG_SM(MC44S803_REG_REFOSC, MC44S803_ADDR) |
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MC44S803_REG_SM(0xC0, MC44S803_REFOSC) |
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MC44S803_REG_SM(1, MC44S803_OSCSEL);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_POWER, MC44S803_ADDR) |
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MC44S803_REG_SM(0x200, MC44S803_POWER);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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msleep(10);
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val = MC44S803_REG_SM(MC44S803_REG_REFOSC, MC44S803_ADDR) |
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MC44S803_REG_SM(0x40, MC44S803_REFOSC) |
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MC44S803_REG_SM(1, MC44S803_OSCSEL);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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msleep(20);
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/* Setup Mixer */
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val = MC44S803_REG_SM(MC44S803_REG_MIXER, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_TRI_STATE) |
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MC44S803_REG_SM(0x7F, MC44S803_MIXER_RES);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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/* Setup Cirquit Adjust */
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val = MC44S803_REG_SM(MC44S803_REG_CIRCADJ, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_G1) |
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MC44S803_REG_SM(1, MC44S803_G3) |
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MC44S803_REG_SM(0x3, MC44S803_CIRCADJ_RES) |
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MC44S803_REG_SM(1, MC44S803_G6) |
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MC44S803_REG_SM(priv->cfg->dig_out, MC44S803_S1) |
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MC44S803_REG_SM(0x3, MC44S803_LP) |
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MC44S803_REG_SM(1, MC44S803_CLRF) |
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MC44S803_REG_SM(1, MC44S803_CLIF);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_CIRCADJ, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_G1) |
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MC44S803_REG_SM(1, MC44S803_G3) |
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MC44S803_REG_SM(0x3, MC44S803_CIRCADJ_RES) |
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MC44S803_REG_SM(1, MC44S803_G6) |
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MC44S803_REG_SM(priv->cfg->dig_out, MC44S803_S1) |
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MC44S803_REG_SM(0x3, MC44S803_LP);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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/* Setup Digtune */
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val = MC44S803_REG_SM(MC44S803_REG_DIGTUNE, MC44S803_ADDR) |
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MC44S803_REG_SM(3, MC44S803_XOD);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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/* Setup AGC */
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val = MC44S803_REG_SM(MC44S803_REG_LNAAGC, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_AT1) |
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MC44S803_REG_SM(1, MC44S803_AT2) |
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MC44S803_REG_SM(1, MC44S803_AGC_AN_DIG) |
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MC44S803_REG_SM(1, MC44S803_AGC_READ_EN) |
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MC44S803_REG_SM(1, MC44S803_LNA0);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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return 0;
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exit:
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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mc_printk(KERN_WARNING, "I/O Error\n");
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return err;
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}
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static int mc44s803_set_params(struct dvb_frontend *fe,
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struct dvb_frontend_parameters *params)
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{
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struct mc44s803_priv *priv = fe->tuner_priv;
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u32 r1, r2, n1, n2, lo1, lo2, freq, val;
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int err;
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priv->frequency = params->frequency;
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r1 = MC44S803_OSC / 1000000;
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r2 = MC44S803_OSC / 100000;
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n1 = (params->frequency + MC44S803_IF1 + 500000) / 1000000;
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freq = MC44S803_OSC / r1 * n1;
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lo1 = ((60 * n1) + (r1 / 2)) / r1;
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freq = freq - params->frequency;
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n2 = (freq - MC44S803_IF2 + 50000) / 100000;
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lo2 = ((60 * n2) + (r2 / 2)) / r2;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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val = MC44S803_REG_SM(MC44S803_REG_REFDIV, MC44S803_ADDR) |
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MC44S803_REG_SM(r1-1, MC44S803_R1) |
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MC44S803_REG_SM(r2-1, MC44S803_R2) |
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MC44S803_REG_SM(1, MC44S803_REFBUF_EN);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_LO1, MC44S803_ADDR) |
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MC44S803_REG_SM(n1-2, MC44S803_LO1);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_LO2, MC44S803_ADDR) |
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MC44S803_REG_SM(n2-2, MC44S803_LO2);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_DIGTUNE, MC44S803_ADDR) |
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MC44S803_REG_SM(1, MC44S803_DA) |
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MC44S803_REG_SM(lo1, MC44S803_LO_REF) |
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MC44S803_REG_SM(1, MC44S803_AT);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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val = MC44S803_REG_SM(MC44S803_REG_DIGTUNE, MC44S803_ADDR) |
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MC44S803_REG_SM(2, MC44S803_DA) |
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MC44S803_REG_SM(lo2, MC44S803_LO_REF) |
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MC44S803_REG_SM(1, MC44S803_AT);
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err = mc44s803_writereg(priv, val);
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if (err)
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goto exit;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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return 0;
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exit:
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0);
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mc_printk(KERN_WARNING, "I/O Error\n");
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return err;
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}
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static int mc44s803_get_frequency(struct dvb_frontend *fe, u32 *frequency)
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{
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struct mc44s803_priv *priv = fe->tuner_priv;
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*frequency = priv->frequency;
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return 0;
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}
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static const struct dvb_tuner_ops mc44s803_tuner_ops = {
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.info = {
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.name = "Freescale MC44S803",
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.frequency_min = 48000000,
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.frequency_max = 1000000000,
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.frequency_step = 100000,
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},
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.release = mc44s803_release,
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.init = mc44s803_init,
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.set_params = mc44s803_set_params,
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.get_frequency = mc44s803_get_frequency
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};
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/* This functions tries to identify a MC44S803 tuner by reading the ID
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register. This is hasty. */
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struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, struct mc44s803_config *cfg)
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{
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struct mc44s803_priv *priv;
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u32 reg;
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u8 id;
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int ret;
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reg = 0;
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priv = kzalloc(sizeof(struct mc44s803_priv), GFP_KERNEL);
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if (priv == NULL)
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return NULL;
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priv->cfg = cfg;
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priv->i2c = i2c;
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priv->fe = fe;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
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ret = mc44s803_readreg(priv, MC44S803_REG_ID, ®);
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if (ret)
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goto error;
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id = MC44S803_REG_MS(reg, MC44S803_ID);
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if (id != 0x14) {
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mc_printk(KERN_ERR, "unsupported ID "
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"(%x should be 0x14)\n", id);
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goto error;
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}
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mc_printk(KERN_INFO, "successfully identified (ID = %x)\n", id);
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memcpy(&fe->ops.tuner_ops, &mc44s803_tuner_ops,
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sizeof(struct dvb_tuner_ops));
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fe->tuner_priv = priv;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
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return fe;
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error:
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
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kfree(priv);
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return NULL;
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}
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EXPORT_SYMBOL(mc44s803_attach);
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MODULE_AUTHOR("Jochen Friedrich");
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MODULE_DESCRIPTION("Freescale MC44S803 silicon tuner driver");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,46 @@
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/*
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* Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
|
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*
|
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* Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
|
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*
|
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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.=
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*/
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#ifndef MC44S803_H
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#define MC44S803_H
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struct dvb_frontend;
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struct i2c_adapter;
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struct mc44s803_config {
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u8 i2c_address;
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u8 dig_out;
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};
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|
||||
#if defined(CONFIG_MEDIA_TUNER_MC44S803) || \
|
||||
(defined(CONFIG_MEDIA_TUNER_MC44S803_MODULE) && defined(MODULE))
|
||||
extern struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, struct mc44s803_config *cfg);
|
||||
#else
|
||||
static inline struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, struct mc44s803_config *cfg)
|
||||
{
|
||||
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
#endif /* CONFIG_MEDIA_TUNER_MC44S803 */
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,208 @@
|
|||
/*
|
||||
* Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
|
||||
*
|
||||
* Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
|
||||
*
|
||||
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.=
|
||||
*/
|
||||
|
||||
#ifndef MC44S803_PRIV_H
|
||||
#define MC44S803_PRIV_H
|
||||
|
||||
/* This driver is based on the information available in the datasheet
|
||||
http://www.freescale.com/files/rf_if/doc/data_sheet/MC44S803.pdf
|
||||
|
||||
SPI or I2C Address : 0xc0-0xc6
|
||||
|
||||
Reg.No | Function
|
||||
-------------------------------------------
|
||||
00 | Power Down
|
||||
01 | Reference Oszillator
|
||||
02 | Reference Dividers
|
||||
03 | Mixer and Reference Buffer
|
||||
04 | Reset/Serial Out
|
||||
05 | LO 1
|
||||
06 | LO 2
|
||||
07 | Circuit Adjust
|
||||
08 | Test
|
||||
09 | Digital Tune
|
||||
0A | LNA AGC
|
||||
0B | Data Register Address
|
||||
0C | Regulator Test
|
||||
0D | VCO Test
|
||||
0E | LNA Gain/Input Power
|
||||
0F | ID Bits
|
||||
|
||||
*/
|
||||
|
||||
#define MC44S803_OSC 26000000 /* 26 MHz */
|
||||
#define MC44S803_IF1 1086000000 /* 1086 MHz */
|
||||
#define MC44S803_IF2 36125000 /* 36.125 MHz */
|
||||
|
||||
#define MC44S803_REG_POWER 0
|
||||
#define MC44S803_REG_REFOSC 1
|
||||
#define MC44S803_REG_REFDIV 2
|
||||
#define MC44S803_REG_MIXER 3
|
||||
#define MC44S803_REG_RESET 4
|
||||
#define MC44S803_REG_LO1 5
|
||||
#define MC44S803_REG_LO2 6
|
||||
#define MC44S803_REG_CIRCADJ 7
|
||||
#define MC44S803_REG_TEST 8
|
||||
#define MC44S803_REG_DIGTUNE 9
|
||||
#define MC44S803_REG_LNAAGC 0x0A
|
||||
#define MC44S803_REG_DATAREG 0x0B
|
||||
#define MC44S803_REG_REGTEST 0x0C
|
||||
#define MC44S803_REG_VCOTEST 0x0D
|
||||
#define MC44S803_REG_LNAGAIN 0x0E
|
||||
#define MC44S803_REG_ID 0x0F
|
||||
|
||||
/* Register definitions */
|
||||
#define MC44S803_ADDR 0x0F
|
||||
#define MC44S803_ADDR_S 0
|
||||
/* REG_POWER */
|
||||
#define MC44S803_POWER 0xFFFFF0
|
||||
#define MC44S803_POWER_S 4
|
||||
/* REG_REFOSC */
|
||||
#define MC44S803_REFOSC 0x1FF0
|
||||
#define MC44S803_REFOSC_S 4
|
||||
#define MC44S803_OSCSEL 0x2000
|
||||
#define MC44S803_OSCSEL_S 13
|
||||
/* REG_REFDIV */
|
||||
#define MC44S803_R2 0x1FF0
|
||||
#define MC44S803_R2_S 4
|
||||
#define MC44S803_REFBUF_EN 0x2000
|
||||
#define MC44S803_REFBUF_EN_S 13
|
||||
#define MC44S803_R1 0x7C000
|
||||
#define MC44S803_R1_S 14
|
||||
/* REG_MIXER */
|
||||
#define MC44S803_R3 0x70
|
||||
#define MC44S803_R3_S 4
|
||||
#define MC44S803_MUX3 0x80
|
||||
#define MC44S803_MUX3_S 7
|
||||
#define MC44S803_MUX4 0x100
|
||||
#define MC44S803_MUX4_S 8
|
||||
#define MC44S803_OSC_SCR 0x200
|
||||
#define MC44S803_OSC_SCR_S 9
|
||||
#define MC44S803_TRI_STATE 0x400
|
||||
#define MC44S803_TRI_STATE_S 10
|
||||
#define MC44S803_BUF_GAIN 0x800
|
||||
#define MC44S803_BUF_GAIN_S 11
|
||||
#define MC44S803_BUF_IO 0x1000
|
||||
#define MC44S803_BUF_IO_S 12
|
||||
#define MC44S803_MIXER_RES 0xFE000
|
||||
#define MC44S803_MIXER_RES_S 13
|
||||
/* REG_RESET */
|
||||
#define MC44S803_RS 0x10
|
||||
#define MC44S803_RS_S 4
|
||||
#define MC44S803_SO 0x20
|
||||
#define MC44S803_SO_S 5
|
||||
/* REG_LO1 */
|
||||
#define MC44S803_LO1 0xFFF0
|
||||
#define MC44S803_LO1_S 4
|
||||
/* REG_LO2 */
|
||||
#define MC44S803_LO2 0x7FFF0
|
||||
#define MC44S803_LO2_S 4
|
||||
/* REG_CIRCADJ */
|
||||
#define MC44S803_G1 0x20
|
||||
#define MC44S803_G1_S 5
|
||||
#define MC44S803_G3 0x80
|
||||
#define MC44S803_G3_S 7
|
||||
#define MC44S803_CIRCADJ_RES 0x300
|
||||
#define MC44S803_CIRCADJ_RES_S 8
|
||||
#define MC44S803_G6 0x400
|
||||
#define MC44S803_G6_S 10
|
||||
#define MC44S803_G7 0x800
|
||||
#define MC44S803_G7_S 11
|
||||
#define MC44S803_S1 0x1000
|
||||
#define MC44S803_S1_S 12
|
||||
#define MC44S803_LP 0x7E000
|
||||
#define MC44S803_LP_S 13
|
||||
#define MC44S803_CLRF 0x80000
|
||||
#define MC44S803_CLRF_S 19
|
||||
#define MC44S803_CLIF 0x100000
|
||||
#define MC44S803_CLIF_S 20
|
||||
/* REG_TEST */
|
||||
/* REG_DIGTUNE */
|
||||
#define MC44S803_DA 0xF0
|
||||
#define MC44S803_DA_S 4
|
||||
#define MC44S803_XOD 0x300
|
||||
#define MC44S803_XOD_S 8
|
||||
#define MC44S803_RST 0x10000
|
||||
#define MC44S803_RST_S 16
|
||||
#define MC44S803_LO_REF 0x1FFF00
|
||||
#define MC44S803_LO_REF_S 8
|
||||
#define MC44S803_AT 0x200000
|
||||
#define MC44S803_AT_S 21
|
||||
#define MC44S803_MT 0x400000
|
||||
#define MC44S803_MT_S 22
|
||||
/* REG_LNAAGC */
|
||||
#define MC44S803_G 0x3F0
|
||||
#define MC44S803_G_S 4
|
||||
#define MC44S803_AT1 0x400
|
||||
#define MC44S803_AT1_S 10
|
||||
#define MC44S803_AT2 0x800
|
||||
#define MC44S803_AT2_S 11
|
||||
#define MC44S803_HL_GR_EN 0x8000
|
||||
#define MC44S803_HL_GR_EN_S 15
|
||||
#define MC44S803_AGC_AN_DIG 0x10000
|
||||
#define MC44S803_AGC_AN_DIG_S 16
|
||||
#define MC44S803_ATTEN_EN 0x20000
|
||||
#define MC44S803_ATTEN_EN_S 17
|
||||
#define MC44S803_AGC_READ_EN 0x40000
|
||||
#define MC44S803_AGC_READ_EN_S 18
|
||||
#define MC44S803_LNA0 0x80000
|
||||
#define MC44S803_LNA0_S 19
|
||||
#define MC44S803_AGC_SEL 0x100000
|
||||
#define MC44S803_AGC_SEL_S 20
|
||||
#define MC44S803_AT0 0x200000
|
||||
#define MC44S803_AT0_S 21
|
||||
#define MC44S803_B 0xC00000
|
||||
#define MC44S803_B_S 22
|
||||
/* REG_DATAREG */
|
||||
#define MC44S803_D 0xF0
|
||||
#define MC44S803_D_S 4
|
||||
/* REG_REGTEST */
|
||||
/* REG_VCOTEST */
|
||||
/* REG_LNAGAIN */
|
||||
#define MC44S803_IF_PWR 0x700
|
||||
#define MC44S803_IF_PWR_S 8
|
||||
#define MC44S803_RF_PWR 0x3800
|
||||
#define MC44S803_RF_PWR_S 11
|
||||
#define MC44S803_LNA_GAIN 0xFC000
|
||||
#define MC44S803_LNA_GAIN_S 14
|
||||
/* REG_ID */
|
||||
#define MC44S803_ID 0x3E00
|
||||
#define MC44S803_ID_S 9
|
||||
|
||||
/* Some macros to read/write fields */
|
||||
|
||||
/* First shift, then mask */
|
||||
#define MC44S803_REG_SM(_val, _reg) \
|
||||
(((_val) << _reg##_S) & (_reg))
|
||||
|
||||
/* First mask, then shift */
|
||||
#define MC44S803_REG_MS(_val, _reg) \
|
||||
(((_val) & (_reg)) >> _reg##_S)
|
||||
|
||||
struct mc44s803_priv {
|
||||
struct mc44s803_config *cfg;
|
||||
struct i2c_adapter *i2c;
|
||||
struct dvb_frontend *fe;
|
||||
|
||||
u32 frequency;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue