Support for m88brs2000 chip used in lmedm04 driver.
Note there are still lock problems.
Slow channel change due to the large block of registers sent in set_frontend.
Signed-off-by: Malcolm Priestley
---
drivers/media/dvb/frontends/Kconfig |7 +
drivers/media/dvb/frontends/Makefile|1 +
drivers/media/dvb/frontends/m88rs2000.c | 867 +++
drivers/media/dvb/frontends/m88rs2000.h | 57 ++
4 files changed, 932 insertions(+), 0 deletions(-)
create mode 100644 drivers/media/dvb/frontends/m88rs2000.c
create mode 100644 drivers/media/dvb/frontends/m88rs2000.h
diff --git a/drivers/media/dvb/frontends/Kconfig
b/drivers/media/dvb/frontends/Kconfig
index ebb5ed7..fe6bcce 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -698,6 +698,13 @@ config DVB_IT913X_FE
A DVB-T tuner module.
Say Y when you want to support this frontend.
+config DVB_M88RS2000
+ tristate "M88RS2000 DVB-S"
+ depends on DVB_CORE && I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A DVB-S tuner module. Say Y when you want to support this frontend.
+
comment "Tools to develop new frontends"
config DVB_DUMMY_FE
diff --git a/drivers/media/dvb/frontends/Makefile
b/drivers/media/dvb/frontends/Makefile
index 00a2063..642c805 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -96,4 +96,5 @@ obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
obj-$(CONFIG_DVB_IT913X_FE) += it913x-fe.o
obj-$(CONFIG_DVB_A8293) += a8293.o
obj-$(CONFIG_DVB_TDA10071) += tda10071.o
+obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o
diff --git a/drivers/media/dvb/frontends/m88rs2000.c
b/drivers/media/dvb/frontends/m88rs2000.c
new file mode 100644
index 000..a614ffe
--- /dev/null
+++ b/drivers/media/dvb/frontends/m88rs2000.c
@@ -0,0 +1,867 @@
+/*
+ Driver for M88RS2000 demodulator and tuner
+
+ Copyright (C) 2012 Malcolm Priestley (tvbox...@gmail.com)
+
+ Beta Driver
+
+ 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.
+
+*/
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+
+#include "dvb_frontend.h"
+#include "m88rs2000.h"
+
+struct m88rs2000_state {
+ struct i2c_adapter *i2c;
+ const struct m88rs2000_config *config;
+ struct dvb_frontend frontend;
+ u8 no_lock_count;
+ u32 tuner_frequency;
+ u32 symbol_rate;
+ fe_code_rate_t fec_inner;
+ u8 tuner_level;
+ int errmode;
+};
+
+static int debug;
+#define dprintk(args...) \
+ do { \
+ if (debug) \
+ printk(KERN_DEBUG "m88rs2000: " args); \
+ } while (0)
+
+
+static int m88rs2000_writereg(struct m88rs2000_state *state, u8 tuner,
+ u8 reg, u8 data)
+{
+ int ret;
+ u8 addr = (tuner == 0) ? state->config->tuner_addr :
+ state->config->demod_addr;
+ u8 buf[] = { reg, data };
+ struct i2c_msg msg = {
+ .addr = addr,
+ .flags = 0,
+ .buf = buf,
+ .len = 2
+ };
+
+ ret = i2c_transfer(state->i2c, &msg, 1);
+
+ if (ret != 1)
+ dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
+ "ret == %i)\n", __func__, reg, data, ret);
+
+ return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+static int m88rs2000_demod_write(struct m88rs2000_state *state, u8 reg, u8
data)
+{
+ return m88rs2000_writereg(state, 1, reg, data);
+}
+
+static int m88rs2000_tuner_write(struct m88rs2000_state *state, u8 reg, u8
data)
+{
+ m88rs2000_demod_write(state, 0x81, 0x84);
+ return m88rs2000_writereg(state, 0, reg, data);
+}
+
+static int m88rs2000_write(struct dvb_frontend *fe, const u8 buf[], int len)
+{
+ struct m88rs2000_state *state = fe->demodulator_priv;
+
+ if (len != 2)
+ return -EINVAL;
+
+ return m88rs2000_writereg(state, 1, buf[0], buf[1]);
+}
+
+static u8 m88rs2000_readreg(struct m88rs2000_state *state, u8 tuner, u8 reg)
+{
+ int ret;
+ u8 b0[] = { reg };
+ u8 b1[] = { 0 };
+ u8 addr = (tuner == 0) ? state->config->tuner_addr :
+ state->config->demod_addr;
+ struct i2c_msg msg[] = {
+
