Skip to content

Commit

Permalink
V4L/DVB (3856): Convert sp887x to refactored tuner code
Browse files Browse the repository at this point in the history
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 <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
  • Loading branch information
Andrew de Quincey authored and Mauro Carvalho Chehab committed Jun 25, 2006
1 parent 53a8ee3 commit 085542d
Show file tree
Hide file tree
Showing 2 changed files with 22 additions and 18 deletions.
34 changes: 22 additions & 12 deletions drivers/media/dvb/frontends/sp887x.c
Original file line number Diff line number Diff line change
Expand Up @@ -208,15 +208,6 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware
/* bit 0x010: enable data valid signal */
sp887x_writereg(state, 0xd00, 0x010);
sp887x_writereg(state, 0x0d1, 0x000);

/* setup the PLL */
if (state->config->pll_init) {
sp887x_writereg(state, 0x206, 0x001);
state->config->pll_init(fe);
sp887x_writereg(state, 0x206, 0x000);
}

printk ("done.\n");
return 0;
};

Expand Down Expand Up @@ -362,9 +353,16 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
sp887x_microcontroller_stop(state);

/* setup the PLL */
sp887x_writereg(state, 0x206, 0x001);
actual_freq = state->config->pll_set(fe, p);
sp887x_writereg(state, 0x206, 0x000);
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) {
fe->ops->tuner_ops.get_frequency(fe, &actual_freq);
if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
} else {
actual_freq = p->frequency;
}

/* read status reg in order to clear <pending irqs */
sp887x_readreg(state, 0x200);
Expand Down Expand Up @@ -486,6 +484,17 @@ static int sp887x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
return 0;
}

static int sp887x_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct sp887x_state* state = fe->demodulator_priv;

if (enable) {
return sp887x_writereg(state, 0x206, 0x001);
} else {
return sp887x_writereg(state, 0x206, 0x000);
}
}

static int sp887x_sleep(struct dvb_frontend* fe)
{
struct sp887x_state* state = fe->demodulator_priv;
Expand Down Expand Up @@ -589,6 +598,7 @@ static struct dvb_frontend_ops sp887x_ops = {

.init = sp887x_init,
.sleep = sp887x_sleep,
.i2c_gate_ctrl = sp887x_i2c_gate_ctrl,

.set_frontend = sp887x_setup_frontend_parameters,
.get_tune_settings = sp887x_get_tune_settings,
Expand Down
6 changes: 0 additions & 6 deletions drivers/media/dvb/frontends/sp887x.h
Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,6 @@ struct sp887x_config
/* the demodulator's i2c address */
u8 demod_address;

/* PLL maintenance */
int (*pll_init)(struct dvb_frontend* fe);

/* this should return the actual frequency tuned to */
int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);

/* request firmware for device */
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
};
Expand Down

0 comments on commit 085542d

Please sign in to comment.