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path: root/drivers/media/dvb/frontends/stv0297.c
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Diffstat (limited to 'drivers/media/dvb/frontends/stv0297.c')
-rw-r--r--drivers/media/dvb/frontends/stv0297.c129
1 files changed, 10 insertions, 119 deletions
diff --git a/drivers/media/dvb/frontends/stv0297.c b/drivers/media/dvb/frontends/stv0297.c
index 928aca052af..8d09afd7545 100644
--- a/drivers/media/dvb/frontends/stv0297.c
+++ b/drivers/media/dvb/frontends/stv0297.c
@@ -35,7 +35,6 @@ struct stv0297_state {
struct dvb_frontend frontend;
unsigned long base_freq;
- u8 pwm;
};
#if 1
@@ -46,94 +45,6 @@ struct stv0297_state {
#define STV0297_CLOCK_KHZ 28900
-static u8 init_tab[] = {
- 0x00, 0x09,
- 0x01, 0x69,
- 0x03, 0x00,
- 0x04, 0x00,
- 0x07, 0x00,
- 0x08, 0x00,
- 0x20, 0x00,
- 0x21, 0x40,
- 0x22, 0x00,
- 0x23, 0x00,
- 0x24, 0x40,
- 0x25, 0x88,
- 0x30, 0xff,
- 0x31, 0x00,
- 0x32, 0xff,
- 0x33, 0x00,
- 0x34, 0x50,
- 0x35, 0x7f,
- 0x36, 0x00,
- 0x37, 0x20,
- 0x38, 0x00,
- 0x40, 0x1c,
- 0x41, 0xff,
- 0x42, 0x29,
- 0x43, 0x00,
- 0x44, 0xff,
- 0x45, 0x00,
- 0x46, 0x00,
- 0x49, 0x04,
- 0x4a, 0xff,
- 0x4b, 0x7f,
- 0x52, 0x30,
- 0x55, 0xae,
- 0x56, 0x47,
- 0x57, 0xe1,
- 0x58, 0x3a,
- 0x5a, 0x1e,
- 0x5b, 0x34,
- 0x60, 0x00,
- 0x63, 0x00,
- 0x64, 0x00,
- 0x65, 0x00,
- 0x66, 0x00,
- 0x67, 0x00,
- 0x68, 0x00,
- 0x69, 0x00,
- 0x6a, 0x02,
- 0x6b, 0x00,
- 0x70, 0xff,
- 0x71, 0x00,
- 0x72, 0x00,
- 0x73, 0x00,
- 0x74, 0x0c,
- 0x80, 0x00,
- 0x81, 0x00,
- 0x82, 0x00,
- 0x83, 0x00,
- 0x84, 0x04,
- 0x85, 0x80,
- 0x86, 0x24,
- 0x87, 0x78,
- 0x88, 0x00,
- 0x89, 0x00,
- 0x90, 0x01,
- 0x91, 0x01,
- 0xa0, 0x00,
- 0xa1, 0x00,
- 0xa2, 0x00,
- 0xb0, 0x91,
- 0xb1, 0x0b,
- 0xc0, 0x53,
- 0xc1, 0x70,
- 0xc2, 0x12,
- 0xd0, 0x00,
- 0xd1, 0x00,
- 0xd2, 0x00,
- 0xd3, 0x00,
- 0xd4, 0x00,
- 0xd5, 0x00,
- 0xde, 0x00,
- 0xdf, 0x00,
- 0x61, 0x49,
- 0x62, 0x0b,
- 0x53, 0x08,
- 0x59, 0x08,
-};
-
static int stv0297_writereg(struct stv0297_state *state, u8 reg, u8 data)
{
@@ -378,34 +289,9 @@ static int stv0297_init(struct dvb_frontend *fe)
struct stv0297_state *state = fe->demodulator_priv;
int i;
- /* soft reset */
- stv0297_writereg_mask(state, 0x80, 1, 1);
- stv0297_writereg_mask(state, 0x80, 1, 0);
-
- /* reset deinterleaver */
- stv0297_writereg_mask(state, 0x81, 1, 1);
- stv0297_writereg_mask(state, 0x81, 1, 0);
-
/* load init table */
- for (i = 0; i < sizeof(init_tab); i += 2) {
- stv0297_writereg(state, init_tab[i], init_tab[i + 1]);
- }
-
- /* set a dummy symbol rate */
- stv0297_set_symbolrate(state, 6900);
-
- /* invert AGC1 polarity */
- stv0297_writereg_mask(state, 0x88, 0x10, 0x10);
-
- /* setup bit error counting */
- stv0297_writereg_mask(state, 0xA0, 0x80, 0x00);
- stv0297_writereg_mask(state, 0xA0, 0x10, 0x00);
- stv0297_writereg_mask(state, 0xA0, 0x08, 0x00);
- stv0297_writereg_mask(state, 0xA0, 0x07, 0x04);
-
- /* min + max PWM */
- stv0297_writereg(state, 0x4a, 0x00);
- stv0297_writereg(state, 0x4b, state->pwm);
+ for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
+ stv0297_writereg(state, state->config->inittab[i], state->config->inittab[i+1]);
msleep(200);
if (state->config->pll_init)
@@ -606,7 +492,13 @@ static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par
stv0297_set_inversion(state, inversion);
/* kick off lock */
- stv0297_writereg_mask(state, 0x88, 0x08, 0x08);
+ /* Disable corner detection for higher QAMs */
+ if (p->u.qam.modulation == QAM_128 ||
+ p->u.qam.modulation == QAM_256)
+ stv0297_writereg_mask(state, 0x88, 0x08, 0x00);
+ else
+ stv0297_writereg_mask(state, 0x88, 0x08, 0x08);
+
stv0297_writereg_mask(state, 0x5a, 0x20, 0x00);
stv0297_writereg_mask(state, 0x6a, 0x01, 0x01);
stv0297_writereg_mask(state, 0x43, 0x40, 0x40);
@@ -732,7 +624,7 @@ static void stv0297_release(struct dvb_frontend *fe)
static struct dvb_frontend_ops stv0297_ops;
struct dvb_frontend *stv0297_attach(const struct stv0297_config *config,
- struct i2c_adapter *i2c, int pwm)
+ struct i2c_adapter *i2c)
{
struct stv0297_state *state = NULL;
@@ -746,7 +638,6 @@ struct dvb_frontend *stv0297_attach(const struct stv0297_config *config,
state->i2c = i2c;
memcpy(&state->ops, &stv0297_ops, sizeof(struct dvb_frontend_ops));
state->base_freq = 0;
- state->pwm = pwm;
/* check if the demod is there */
if ((stv0297_readreg(state, 0x80) & 0x70) != 0x20)