From a98af2246b3d0e85566b3b489ffbc8018b21b4a3 Mon Sep 17 00:00:00 2001 From: Andrew de Quincey Date: Tue, 18 Apr 2006 17:47:10 -0300 Subject: V4L/DVB (3859): Convert s5h1420 to refactored tuner code Convert to tuner_ops calls. Remove pll function pointers from structure. Remove unneeded tuner calls. Add i2c gate control function. Signed-off-by: Andrew de Quincey Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/s5h1420.c | 39 ++++++++++++++++++++++------------- drivers/media/dvb/frontends/s5h1420.h | 4 ---- 2 files changed, 25 insertions(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/frontends/s5h1420.c b/drivers/media/dvb/frontends/s5h1420.c index d694775..5dee511 100644 --- a/drivers/media/dvb/frontends/s5h1420.c +++ b/drivers/media/dvb/frontends/s5h1420.c @@ -584,7 +584,6 @@ static int s5h1420_set_frontend(struct dvb_frontend* fe, struct s5h1420_state* state = fe->demodulator_priv; int frequency_delta; struct dvb_frontend_tune_settings fesettings; - u32 tmp; /* check if we should do a fast-tune */ memcpy(&fesettings.parameters, p, sizeof(struct dvb_frontend_parameters)); @@ -596,10 +595,17 @@ static int s5h1420_set_frontend(struct dvb_frontend* fe, (state->fec_inner == p->u.qpsk.fec_inner) && (state->symbol_rate == p->u.qpsk.symbol_rate)) { - if (state->config->pll_set) { - s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); - state->config->pll_set(fe, p, &tmp); + if (fe->ops->tuner_ops.set_params) { + fe->ops->tuner_ops.set_params(fe, p); + if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); + } + if (fe->ops->tuner_ops.get_frequency) { + u32 tmp; + fe->ops->tuner_ops.get_frequency(fe, &tmp); + if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); s5h1420_setfreqoffset(state, p->frequency - tmp); + } else { + s5h1420_setfreqoffset(state, 0); } return 0; } @@ -646,9 +652,9 @@ static int s5h1420_set_frontend(struct dvb_frontend* fe, s5h1420_writereg(state, 0x05, s5h1420_readreg(state, 0x05) | 1); /* set tuner PLL */ - if (state->config->pll_set) { - s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); - state->config->pll_set(fe, p, &tmp); + if (fe->ops->tuner_ops.set_params) { + fe->ops->tuner_ops.set_params(fe, p); + if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); s5h1420_setfreqoffset(state, 0); } @@ -708,6 +714,17 @@ static int s5h1420_get_tune_settings(struct dvb_frontend* fe, return 0; } +static int s5h1420_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + if (enable) { + return s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); + } else { + return s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) & 0xfe); + } +} + static int s5h1420_init (struct dvb_frontend* fe) { struct s5h1420_state* state = fe->demodulator_priv; @@ -717,13 +734,6 @@ static int s5h1420_init (struct dvb_frontend* fe) msleep(10); s5h1420_reset(state); - /* init PLL */ - if (state->config->pll_init) { - s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); - state->config->pll_init(fe); - s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) & 0xfe); - } - return 0; } @@ -800,6 +810,7 @@ static struct dvb_frontend_ops s5h1420_ops = { .init = s5h1420_init, .sleep = s5h1420_sleep, + .i2c_gate_ctrl = s5h1420_i2c_gate_ctrl, .set_frontend = s5h1420_set_frontend, .get_frontend = s5h1420_get_frontend, diff --git a/drivers/media/dvb/frontends/s5h1420.h b/drivers/media/dvb/frontends/s5h1420.h index 73296f1..4e39015 100644 --- a/drivers/media/dvb/frontends/s5h1420.h +++ b/drivers/media/dvb/frontends/s5h1420.h @@ -32,10 +32,6 @@ struct s5h1420_config /* does the inversion require inversion? */ u8 invert:1; - - /* PLL maintenance */ - int (*pll_init)(struct dvb_frontend* fe); - int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u32* freqout); }; extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config, -- cgit v1.1