struct sp887x_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
const struct sp887x_config* config;
struct dvb_frontend frontend;
/* 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;
};
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);
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;
}
ret = sp887x_initial_setup(fe, fw);
+ release_firmware(fw);
if (ret) {
printk("sp887x: writing firmware to device failed\n");
- release_firmware(fw);
return ret;
}
printk("sp887x: firmware upload complete\n");
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &sp887x_ops, sizeof(struct dvb_frontend_ops));
state->initialised = 0;
/* check if the demod is there */
if (sp887x_readreg(state, 0x0200) < 0) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &sp887x_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
.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,