return status;
}
-static void drxk_c_release(struct dvb_frontend *fe)
+static void drxk_release(struct dvb_frontend *fe)
{
struct drxk_state *state = fe->demodulator_priv;
kfree(state);
}
-static int drxk_c_init(struct dvb_frontend *fe)
-{
- struct drxk_state *state = fe->demodulator_priv;
-
- dprintk(1, "\n");
- if (mutex_trylock(&state->ctlock) == 0)
- return -EBUSY;
- if (state->m_itut_annex_c)
- SetOperationMode(state, OM_QAM_ITU_C);
- else
- SetOperationMode(state, OM_QAM_ITU_A);
- return 0;
-}
-
-static int drxk_c_sleep(struct dvb_frontend *fe)
+static int drxk_sleep(struct dvb_frontend *fe)
{
struct drxk_state *state = fe->demodulator_priv;
dprintk(1, "\n");
ShutDown(state);
- mutex_unlock(&state->ctlock);
return 0;
}
static int drxk_set_parameters(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
- u32 delsys = p->delivery_system;
+ u32 delsys = p->delivery_system, old_delsys;
struct drxk_state *state = fe->demodulator_priv;
u32 IF;
return -EINVAL;
}
- switch (delsys) {
- case SYS_DVBC_ANNEX_A:
- state->m_itut_annex_c = false;
- break;
- case SYS_DVBC_ANNEX_C:
- state->m_itut_annex_c = true;
- break;
- default:
- return -EINVAL;
- }
-
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
+
+ old_delsys = state->props.delivery_system;
state->props = *p;
+
+ if (old_delsys != delsys) {
+ ShutDown(state);
+ switch (delsys) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ if (!state->m_hasDVBC)
+ return -EINVAL;
+ state->m_itut_annex_c = (delsys == SYS_DVBC_ANNEX_C) ? true : false;
+ if (state->m_itut_annex_c)
+ SetOperationMode(state, OM_QAM_ITU_C);
+ else
+ SetOperationMode(state, OM_QAM_ITU_A);
+ break;
+ case SYS_DVBT:
+ if (!state->m_hasDVBT)
+ return -EINVAL;
+ SetOperationMode(state, OM_DVBT);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
fe->ops.tuner_ops.get_if_frequency(fe, &IF);
Start(state, 0, IF);
return 0;
}
-static int drxk_c_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings
+static int drxk_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings
*sets)
{
- dprintk(1, "\n");
- sets->min_delay_ms = 3000;
- sets->max_drift = 0;
- sets->step_size = 0;
- return 0;
-}
-
-static void drxk_t_release(struct dvb_frontend *fe)
-{
- /*
- * There's nothing to release here, as the state struct
- * is already freed by drxk_c_release.
- */
-}
-
-static int drxk_t_init(struct dvb_frontend *fe)
-{
- struct drxk_state *state = fe->demodulator_priv;
-
- dprintk(1, "\n");
- if (mutex_trylock(&state->ctlock) == 0)
- return -EBUSY;
- SetOperationMode(state, OM_DVBT);
- return 0;
-}
-
-static int drxk_t_sleep(struct dvb_frontend *fe)
-{
- struct drxk_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
dprintk(1, "\n");
- mutex_unlock(&state->ctlock);
- return 0;
+ switch (p->delivery_system) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ sets->min_delay_ms = 3000;
+ sets->max_drift = 0;
+ sets->step_size = 0;
+ return 0;
+ default:
+ /*
+ * For DVB-T, let it use the default DVB core way, that is:
+ * fepriv->step_size = fe->ops.info.frequency_stepsize * 2
+ */
+ return -EINVAL;
+ }
}
-static struct dvb_frontend_ops drxk_c_ops = {
- .delsys = { SYS_DVBC_ANNEX_A, SYS_DVBC_ANNEX_C },
+static struct dvb_frontend_ops drxk_ops = {
+ /* .delsys will be filled dynamically */
.info = {
- .name = "DRXK DVB-C",
- .frequency_stepsize = 62500,
- .frequency_min = 47000000,
- .frequency_max = 862000000,
- .symbol_rate_min = 870000,
- .symbol_rate_max = 11700000,
- .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
- FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_AUTO},
- .release = drxk_c_release,
- .init = drxk_c_init,
- .sleep = drxk_c_sleep,
- .i2c_gate_ctrl = drxk_gate_ctrl,
-
- .set_frontend = drxk_set_parameters,
- .get_tune_settings = drxk_c_get_tune_settings,
-
- .read_status = drxk_read_status,
- .read_ber = drxk_read_ber,
- .read_signal_strength = drxk_read_signal_strength,
- .read_snr = drxk_read_snr,
- .read_ucblocks = drxk_read_ucblocks,
-};
-
-static struct dvb_frontend_ops drxk_t_ops = {
- .delsys = { SYS_DVBT },
- .info = {
- .name = "DRXK DVB-T",
- .frequency_min = 47125000,
- .frequency_max = 865000000,
- .frequency_stepsize = 166667,
- .frequency_tolerance = 0,
- .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
- FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
- FE_CAN_FEC_AUTO |
- FE_CAN_QAM_16 | FE_CAN_QAM_64 |
- FE_CAN_QAM_AUTO |
- FE_CAN_TRANSMISSION_MODE_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO |
- FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS},
- .release = drxk_t_release,
- .init = drxk_t_init,
- .sleep = drxk_t_sleep,
+ .name = "DRXK",
+ .frequency_min = 47000000,
+ .frequency_max = 865000000,
+ /* For DVB-C */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ /* For DVB-T */
+ .frequency_stepsize = 166667,
+
+ .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_MUTE_TS |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO
+ },
+
+ .release = drxk_release,
+ .sleep = drxk_sleep,
.i2c_gate_ctrl = drxk_gate_ctrl,
.set_frontend = drxk_set_parameters,
+ .get_tune_settings = drxk_get_tune_settings,
.read_status = drxk_read_status,
.read_ber = drxk_read_ber,
};
struct dvb_frontend *drxk_attach(const struct drxk_config *config,
- struct i2c_adapter *i2c,
- struct dvb_frontend **fe_t)
+ struct i2c_adapter *i2c)
{
+ int n;
+
struct drxk_state *state = NULL;
u8 adr = config->adr;
state->m_GPIO &= ~state->antenna_gpio;
mutex_init(&state->mutex);
- mutex_init(&state->ctlock);
- memcpy(&state->c_frontend.ops, &drxk_c_ops,
- sizeof(struct dvb_frontend_ops));
- memcpy(&state->t_frontend.ops, &drxk_t_ops,
- sizeof(struct dvb_frontend_ops));
- state->c_frontend.demodulator_priv = state;
- state->t_frontend.demodulator_priv = state;
+ memcpy(&state->frontend.ops, &drxk_ops, sizeof(drxk_ops));
+ state->frontend.demodulator_priv = state;
init_state(state);
if (init_drxk(state) < 0)
goto error;
- *fe_t = &state->t_frontend;
- printk(KERN_INFO "drxk: frontend initialized.\n");
+ /* Initialize the supported delivery systems */
+ n = 0;
+ if (state->m_hasDVBC) {
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_C;
+ strlcat(state->frontend.ops.info.name, " DVB-C",
+ sizeof(state->frontend.ops.info.name));
+ }
+ if (state->m_hasDVBT) {
+ state->frontend.ops.delsys[n++] = SYS_DVBT;
+ strlcat(state->frontend.ops.info.name, " DVB-T",
+ sizeof(state->frontend.ops.info.name));
+ }
- return &state->c_frontend;
+ printk(KERN_INFO "drxk: frontend initialized.\n");
+ return &state->frontend;
error:
printk(KERN_ERR "drxk: not found\n");
git.openpandora.org / pandora-kernel.git / blobdiff