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path: root/drivers/media/dvb-frontends/stv090x.c
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Diffstat (limited to 'drivers/media/dvb-frontends/stv090x.c')
-rw-r--r--drivers/media/dvb-frontends/stv090x.c175
1 files changed, 155 insertions, 20 deletions
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c
index 13caec01390..23e872f8474 100644
--- a/drivers/media/dvb-frontends/stv090x.c
+++ b/drivers/media/dvb-frontends/stv090x.c
@@ -35,6 +35,9 @@
#include "stv090x.h"
#include "stv090x_priv.h"
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
static unsigned int verbose;
module_param(verbose, int, 0644);
@@ -722,9 +725,16 @@ static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8
{
const struct stv090x_config *config = state->config;
int ret;
- u8 buf[2 + count];
+ u8 buf[MAX_XFER_SIZE];
struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
+ if (2 + count > sizeof(buf)) {
+ printk(KERN_WARNING
+ "%s: i2c wr reg=%04x: len=%d is too big!\n",
+ KBUILD_MODNAME, reg, count);
+ return -EINVAL;
+ }
+
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
memcpy(&buf[2], data, count);
@@ -3906,12 +3916,12 @@ static int stv090x_sleep(struct dvb_frontend *fe)
reg = stv090x_read_reg(state, STV090x_TSTTNR1);
STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
- goto err;
+ goto err_unlock;
/* power off DiSEqC 1 */
reg = stv090x_read_reg(state, STV090x_TSTTNR2);
STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
- goto err;
+ goto err_unlock;
/* check whether path 2 is already sleeping, that is when
ADC2 is off */
@@ -3930,7 +3940,7 @@ static int stv090x_sleep(struct dvb_frontend *fe)
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
- goto err;
+ goto err_unlock;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 1 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 1);
@@ -3941,7 +3951,7 @@ static int stv090x_sleep(struct dvb_frontend *fe)
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
- goto err;
+ goto err_unlock;
break;
case STV090x_DEMODULATOR_1:
@@ -3949,12 +3959,12 @@ static int stv090x_sleep(struct dvb_frontend *fe)
reg = stv090x_read_reg(state, STV090x_TSTTNR3);
STV090x_SETFIELD(reg, ADC2_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
- goto err;
+ goto err_unlock;
/* power off DiSEqC 2 */
reg = stv090x_read_reg(state, STV090x_TSTTNR4);
STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 0);
if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
- goto err;
+ goto err_unlock;
/* check whether path 1 is already sleeping, that is when
ADC1 is off */
@@ -3973,7 +3983,7 @@ static int stv090x_sleep(struct dvb_frontend *fe)
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
- goto err;
+ goto err_unlock;
reg = stv090x_read_reg(state, STV090x_STOPCLK2);
/* sampling 2 clock */
STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 1);
@@ -3984,7 +3994,7 @@ static int stv090x_sleep(struct dvb_frontend *fe)
if (full_standby)
STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
- goto err;
+ goto err_unlock;
break;
default:
@@ -3997,7 +4007,7 @@ static int stv090x_sleep(struct dvb_frontend *fe)
reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
- goto err;
+ goto err_unlock;
}
mutex_unlock(&state->internal->demod_lock);
@@ -4005,8 +4015,10 @@ static int stv090x_sleep(struct dvb_frontend *fe)
err_gateoff:
stv090x_i2c_gate_ctrl(state, 0);
-err:
+ goto err;
+err_unlock:
mutex_unlock(&state->internal->demod_lock);
+err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
}
@@ -4267,7 +4279,7 @@ err:
return -1;
}
-static int stv090x_set_tspath(struct stv090x_state *state)
+static int stv0900_set_tspath(struct stv090x_state *state)
{
u32 reg;
@@ -4538,6 +4550,121 @@ err:
return -1;
}
+static int stv0903_set_tspath(struct stv090x_state *state)
+{
+ u32 reg;
+
+ if (state->internal->dev_ver >= 0x20) {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c);
+ break;
+ }
+ } else {
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ default:
+ stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
+ break;
+ }
+ }
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_DVBCI:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
+ STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ break;
+
+ default:
+ break;
+ }
+
+ if (state->config->ts1_clk > 0) {
+ u32 speed;
+
+ switch (state->config->ts1_mode) {
+ case STV090x_TSMODE_PARALLEL_PUNCTURED:
+ case STV090x_TSMODE_DVBCI:
+ default:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 4);
+ if (speed < 0x08)
+ speed = 0x08;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ case STV090x_TSMODE_SERIAL_PUNCTURED:
+ case STV090x_TSMODE_SERIAL_CONTINUOUS:
+ speed = state->internal->mclk /
+ (state->config->ts1_clk / 32);
+ if (speed < 0x20)
+ speed = 0x20;
+ if (speed > 0xFF)
+ speed = 0xFF;
+ break;
+ }
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
+ STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
+ goto err;
+ if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
+ goto err;
+ }
+
+ reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+ STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
+ if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
+ goto err;
+
+ return 0;
+err:
+ dprintk(FE_ERROR, 1, "I/O error");
+ return -1;
+}
+
static int stv090x_init(struct dvb_frontend *fe)
{
struct stv090x_state *state = fe->demodulator_priv;
@@ -4600,8 +4727,13 @@ static int stv090x_init(struct dvb_frontend *fe)
if (stv090x_i2c_gate_ctrl(state, 0) < 0)
goto err;
- if (stv090x_set_tspath(state) < 0)
- goto err;
+ if (state->device == STV0900) {
+ if (stv0900_set_tspath(state) < 0)
+ goto err;
+ } else {
+ if (stv0903_set_tspath(state) < 0)
+ goto err;
+ }
return 0;
@@ -4642,23 +4774,26 @@ static int stv090x_setup(struct dvb_frontend *fe)
/* Stop Demod */
if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
goto err;
- if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
- goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
+ goto err;
msleep(5);
/* Set No Tuner Mode */
if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
goto err;
- if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
- goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
+ goto err;
/* I2C repeater OFF */
STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
goto err;
- if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
- goto err;
+ if (state->device == STV0900)
+ if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
+ goto err;
if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
goto err;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 13:12:47 +0000