From 096bca663d076255852b88ce9a87c0f07fa17dec Mon Sep 17 00:00:00 2001
From: Manu Abraham <abraham.m...@gmail.com>
Date: Mon, 21 Nov 2011 19:58:03 +0530
Subject: [PATCH 12/13] CXD2820r: Query DVB frontend delivery capabilities
Override default delivery system information provided by FE_GET_INFO, so
that applications can enumerate delivery systems provided by the frontend.
Signed-off-by: Manu Abraham <abraham.m...@gmail.com>
---
drivers/media/dvb/frontends/cxd2820r_c.c | 17 +-
drivers/media/dvb/frontends/cxd2820r_core.c | 651 +++++++++------------------
drivers/media/dvb/frontends/cxd2820r_priv.h | 5 +-
drivers/media/dvb/frontends/cxd2820r_t.c | 19 +-
drivers/media/dvb/frontends/cxd2820r_t2.c | 20 +-
5 files changed, 265 insertions(+), 447 deletions(-)
diff --git a/drivers/media/dvb/frontends/cxd2820r_c.c b/drivers/media/dvb/frontends/cxd2820r_c.c
index b85f501..f6d0ff7 100644
--- a/drivers/media/dvb/frontends/cxd2820r_c.c
+++ b/drivers/media/dvb/frontends/cxd2820r_c.c
@@ -22,10 +22,11 @@
#include "cxd2820r_priv.h"
int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
+ struct dvb_frontend_parameters *params)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct tuner_state tstate;
int ret, i;
u8 buf[2];
u16 if_ctl;
@@ -55,8 +56,18 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
goto error;
/* program tuner */
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe, params);
+ tstate.delsys = SYS_DVBC_ANNEX_AC;
+ tstate.frequency = c->frequency;
+
+ if (fe->ops.tuner_ops.set_state) {
+ fe->ops.tuner_ops.set_state(fe,
+ DVBFE_TUNER_DELSYS |
+ DVBFE_TUNER_FREQUENCY,
+ &tstate);
+ } else {
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe, params);
+ }
if (priv->delivery_system != SYS_DVBC_ANNEX_AC) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
diff --git a/drivers/media/dvb/frontends/cxd2820r_core.c b/drivers/media/dvb/frontends/cxd2820r_core.c
index 036480f..5b0120a 100644
--- a/drivers/media/dvb/frontends/cxd2820r_core.c
+++ b/drivers/media/dvb/frontends/cxd2820r_core.c
@@ -240,43 +240,6 @@ error:
return ret;
}
-/* lock FE */
-static int cxd2820r_lock(struct cxd2820r_priv *priv, int active_fe)
-{
- int ret = 0;
- dbg("%s: active_fe=%d", __func__, active_fe);
-
- mutex_lock(&priv->fe_lock);
-
- /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
- if (priv->active_fe == active_fe)
- ;
- else if (priv->active_fe == -1)
- priv->active_fe = active_fe;
- else
- ret = -EBUSY;
-
- mutex_unlock(&priv->fe_lock);
-
- return ret;
-}
-
-/* unlock FE */
-static void cxd2820r_unlock(struct cxd2820r_priv *priv, int active_fe)
-{
- dbg("%s: active_fe=%d", __func__, active_fe);
-
- mutex_lock(&priv->fe_lock);
-
- /* -1=NONE, 0=DVB-T/T2, 1=DVB-C */
- if (priv->active_fe == active_fe)
- priv->active_fe = -1;
-
- mutex_unlock(&priv->fe_lock);
-
- return;
-}
-
/* 64 bit div with round closest, like DIV_ROUND_CLOSEST but 64 bit */
u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor)
{
@@ -284,378 +247,230 @@ u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor)
}
static int cxd2820r_set_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+ struct dvb_frontend_parameters *p)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (priv->delivery_system) {
- case SYS_UNDEFINED:
- if (c->delivery_system == SYS_DVBT) {
- /* SLEEP => DVB-T */
- ret = cxd2820r_set_frontend_t(fe, p);
- } else {
- /* SLEEP => DVB-T2 */
- ret = cxd2820r_set_frontend_t2(fe, p);
- }
- break;
- case SYS_DVBT:
- if (c->delivery_system == SYS_DVBT) {
- /* DVB-T => DVB-T */
- ret = cxd2820r_set_frontend_t(fe, p);
- } else if (c->delivery_system == SYS_DVBT2) {
- /* DVB-T => DVB-T2 */
- ret = cxd2820r_sleep_t(fe);
- if (ret)
- break;
- ret = cxd2820r_set_frontend_t2(fe, p);
- }
- break;
- case SYS_DVBT2:
- if (c->delivery_system == SYS_DVBT2) {
- /* DVB-T2 => DVB-T2 */
- ret = cxd2820r_set_frontend_t2(fe, p);
- } else if (c->delivery_system == SYS_DVBT) {
- /* DVB-T2 => DVB-T */
- ret = cxd2820r_sleep_t2(fe);
- if (ret)
- break;
- ret = cxd2820r_set_frontend_t(fe, p);
- }
- break;
- default:
- dbg("%s: error state=%d", __func__,
- priv->delivery_system);
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_init_t(fe);
+ if (ret < 0)
+ goto err;
+ ret = cxd2820r_set_frontend_t(fe, p);
+ if (ret < 0)
+ goto err;
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_init_t(fe);
+ if (ret < 0)
+ goto err;
+ ret = cxd2820r_set_frontend_t2(fe, p);
+ if (ret < 0)
+ goto err;
+ break;
+ case SYS_DVBC_ANNEX_AC:
+ ret = cxd2820r_init_c(fe);
+ if (ret < 0)
+ goto err;
ret = cxd2820r_set_frontend_c(fe, p);
+ if (ret < 0)
+ goto err;
+ break;
+ default:
+ dbg("%s: error state=%d", __func__, fe->dtv_property_cache.delivery_system);
+ ret = -EINVAL;
+ break;
}
-
+err:
return ret;
}
-
static int cxd2820r_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_status_t(fe, status);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_status_t2(fe, status);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_read_status_t(fe, status);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_read_status_t2(fe, status);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_read_status_c(fe, status);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_get_frontend(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+ struct dvb_frontend_parameters *p)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_get_frontend_t(fe, p);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_get_frontend_t2(fe, p);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_get_frontend_t(fe, p);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_get_frontend_t2(fe, p);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_get_frontend_c(fe, p);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_read_ber(struct dvb_frontend *fe, u32 *ber)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_ber_t(fe, ber);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_ber_t2(fe, ber);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_read_ber_t(fe, ber);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_read_ber_t2(fe, ber);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_read_ber_c(fe, ber);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_signal_strength_t(fe, strength);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_signal_strength_t2(fe, strength);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_read_signal_strength_t(fe, strength);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_read_signal_strength_t2(fe, strength);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_read_signal_strength_c(fe, strength);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_read_snr(struct dvb_frontend *fe, u16 *snr)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_snr_t(fe, snr);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_snr_t2(fe, snr);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_read_snr_t(fe, snr);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_read_snr_t2(fe, snr);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_read_snr_c(fe, snr);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_read_ucblocks_t(fe, ucblocks);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_read_ucblocks_t2(fe, ucblocks);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_read_ucblocks_t(fe, ucblocks);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_read_ucblocks_t2(fe, ucblocks);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_read_ucblocks_c(fe, ucblocks);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_init(struct dvb_frontend *fe)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
- int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- priv->delivery_system = SYS_UNDEFINED;
- /* delivery system is unknown at that (init) phase */
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- ret = cxd2820r_init_t(fe);
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
-
- ret = cxd2820r_init_c(fe);
- }
-
- return ret;
+ return 0;
}
static int cxd2820r_sleep(struct dvb_frontend *fe)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_sleep_t(fe);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_sleep_t2(fe);
- break;
- default:
- ret = -EINVAL;
- }
-
- cxd2820r_unlock(priv, 0);
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_sleep_t(fe);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_sleep_t2(fe);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_sleep_c(fe);
-
- cxd2820r_unlock(priv, 1);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static int cxd2820r_get_tune_settings(struct dvb_frontend *fe,
- struct dvb_frontend_tune_settings *s)
+ struct dvb_frontend_tune_settings *s)
{
- struct cxd2820r_priv *priv = fe->demodulator_priv;
int ret;
- dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
-
- if (fe->ops.info.type == FE_OFDM) {
- /* DVB-T/T2 */
- ret = cxd2820r_lock(priv, 0);
- if (ret)
- return ret;
-
- switch (fe->dtv_property_cache.delivery_system) {
- case SYS_DVBT:
- ret = cxd2820r_get_tune_settings_t(fe, s);
- break;
- case SYS_DVBT2:
- ret = cxd2820r_get_tune_settings_t2(fe, s);
- break;
- default:
- ret = -EINVAL;
- }
- } else {
- /* DVB-C */
- ret = cxd2820r_lock(priv, 1);
- if (ret)
- return ret;
+ dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBT:
+ ret = cxd2820r_get_tune_settings_t(fe, s);
+ break;
+ case SYS_DVBT2:
+ ret = cxd2820r_get_tune_settings_t2(fe, s);
+ break;
+ case SYS_DVBC_ANNEX_AC:
ret = cxd2820r_get_tune_settings_c(fe, s);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
}
-
return ret;
}
static enum dvbfe_search cxd2820r_search(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+ struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
@@ -664,7 +479,7 @@ static enum dvbfe_search cxd2820r_search(struct dvb_frontend *fe,
dbg("%s: delsys=%d", __func__, fe->dtv_property_cache.delivery_system);
/* switch between DVB-T and DVB-T2 when tune fails */
- if (priv->last_tune_failed) {
+ if (priv->last_tune_failed && (priv->delivery_system != SYS_DVBC_ANNEX_AC)) {
if (priv->delivery_system == SYS_DVBT)
c->delivery_system = SYS_DVBT2;
else
@@ -727,9 +542,7 @@ static void cxd2820r_release(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
dbg("%s", __func__);
- if (fe->ops.info.type == FE_OFDM)
- kfree(priv);
-
+ kfree(priv);
return;
}
@@ -742,128 +555,98 @@ static int cxd2820r_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
return cxd2820r_wr_reg_mask(priv, 0xdb, enable ? 1 : 0, 0x1);
}
-static const struct dvb_frontend_ops cxd2820r_ops[2];
-
-struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
- struct i2c_adapter *i2c, struct dvb_frontend *fe)
+static int cxd2820r_get_property(struct dvb_frontend *fe, struct dtv_property *p)
{
- int ret;
- struct cxd2820r_priv *priv = NULL;
- u8 tmp;
+ dbg("%s()\n", __func__);
+
+ switch (p->cmd) {
+ case DTV_ENUM_DELSYS:
+ p->u.buffer.data[0] = SYS_DVBT;
+ p->u.buffer.data[1] = SYS_DVBT2;
+ p->u.buffer.data[2] = SYS_DVBC_ANNEX_AC;
+ p->u.buffer.len = 3;
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
- if (fe == NULL) {
- /* FE0 */
- /* allocate memory for the internal priv */
- priv = kzalloc(sizeof(struct cxd2820r_priv), GFP_KERNEL);
- if (priv == NULL)
- goto error;
+static const struct dvb_frontend_ops cxd2820r_ops = {
+ /* default: DVB-T/T2 */
+ .info = {
+ .name = "Sony CXD2820R (DVB-T/T2)",
+ .type = FE_OFDM,
+
+ .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_QPSK |
+ FE_CAN_QAM_16 |
+ FE_CAN_QAM_64 |
+ FE_CAN_QAM_256 |
+ FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_MUTE_TS |
+ FE_CAN_2G_MODULATION
+ },
- /* setup the priv */
- priv->i2c = i2c;
- memcpy(&priv->cfg, cfg, sizeof(struct cxd2820r_config));
- mutex_init(&priv->fe_lock);
+ .release = cxd2820r_release,
+ .init = cxd2820r_init,
+ .sleep = cxd2820r_sleep,
- priv->active_fe = -1; /* NONE */
+ .get_tune_settings = cxd2820r_get_tune_settings,
+ .i2c_gate_ctrl = cxd2820r_i2c_gate_ctrl,
- /* check if the demod is there */
- priv->bank[0] = priv->bank[1] = 0xff;
- ret = cxd2820r_rd_reg(priv, 0x000fd, &tmp);
- dbg("%s: chip id=%02x", __func__, tmp);
- if (ret || tmp != 0xe1)
- goto error;
+ .get_frontend = cxd2820r_get_frontend,
- /* create frontends */
- memcpy(&priv->fe[0].ops, &cxd2820r_ops[0],
- sizeof(struct dvb_frontend_ops));
- memcpy(&priv->fe[1].ops, &cxd2820r_ops[1],
- sizeof(struct dvb_frontend_ops));
+ .get_frontend_algo = cxd2820r_get_frontend_algo,
+ .search = cxd2820r_search,
- priv->fe[0].demodulator_priv = priv;
- priv->fe[1].demodulator_priv = priv;
+ .read_status = cxd2820r_read_status,
+ .read_snr = cxd2820r_read_snr,
+ .read_ber = cxd2820r_read_ber,
+ .read_ucblocks = cxd2820r_read_ucblocks,
+ .read_signal_strength = cxd2820r_read_signal_strength,
- return &priv->fe[0];
+ .get_property = cxd2820r_get_property,
+};
- } else {
- /* FE1: FE0 given as pointer, just return FE1 we have
- * already created */
- priv = fe->demodulator_priv;
- return &priv->fe[1];
- }
+struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
+ struct i2c_adapter *i2c,
+ struct dvb_frontend *fe)
+{
+ struct cxd2820r_priv *priv = NULL;
+ int ret;
+ u8 tmp;
+
+ priv = kzalloc(sizeof (struct cxd2820r_priv), GFP_KERNEL);
+ if (!priv)
+ goto error;
+ priv->i2c = i2c;
+ memcpy(&priv->cfg, cfg, sizeof (struct cxd2820r_config));
+
+ priv->bank[0] = priv->bank[1] = 0xff;
+ ret = cxd2820r_rd_reg(priv, 0x000fd, &tmp);
+ dbg("%s: chip id=%02x", __func__, tmp);
+ if (ret || tmp != 0xe1)
+ goto error;
+
+ memcpy(&priv->fe.ops, &cxd2820r_ops, sizeof (struct dvb_frontend_ops));
+ priv->fe.demodulator_priv = priv;
+ return &priv->fe;
error:
kfree(priv);
return NULL;
}
EXPORT_SYMBOL(cxd2820r_attach);
-static const struct dvb_frontend_ops cxd2820r_ops[2] = {
- {
- /* DVB-T/T2 */
- .info = {
- .name = "Sony CXD2820R (DVB-T/T2)",
- .type = FE_OFDM,
- .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_QPSK | FE_CAN_QAM_16 |
- FE_CAN_QAM_64 | FE_CAN_QAM_256 |
- FE_CAN_QAM_AUTO |
- FE_CAN_TRANSMISSION_MODE_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO |
- FE_CAN_HIERARCHY_AUTO |
- FE_CAN_MUTE_TS |
- FE_CAN_2G_MODULATION
- },
-
- .release = cxd2820r_release,
- .init = cxd2820r_init,
- .sleep = cxd2820r_sleep,
-
- .get_tune_settings = cxd2820r_get_tune_settings,
- .i2c_gate_ctrl = cxd2820r_i2c_gate_ctrl,
-
- .get_frontend = cxd2820r_get_frontend,
-
- .get_frontend_algo = cxd2820r_get_frontend_algo,
- .search = cxd2820r_search,
-
- .read_status = cxd2820r_read_status,
- .read_snr = cxd2820r_read_snr,
- .read_ber = cxd2820r_read_ber,
- .read_ucblocks = cxd2820r_read_ucblocks,
- .read_signal_strength = cxd2820r_read_signal_strength,
- },
- {
- /* DVB-C */
- .info = {
- .name = "Sony CXD2820R (DVB-C)",
- .type = FE_QAM,
- .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 = cxd2820r_release,
- .init = cxd2820r_init,
- .sleep = cxd2820r_sleep,
-
- .get_tune_settings = cxd2820r_get_tune_settings,
- .i2c_gate_ctrl = cxd2820r_i2c_gate_ctrl,
-
- .set_frontend = cxd2820r_set_frontend,
- .get_frontend = cxd2820r_get_frontend,
-
- .read_status = cxd2820r_read_status,
- .read_snr = cxd2820r_read_snr,
- .read_ber = cxd2820r_read_ber,
- .read_ucblocks = cxd2820r_read_ucblocks,
- .read_signal_strength = cxd2820r_read_signal_strength,
- },
-};
-
-
MODULE_AUTHOR("Antti Palosaari <cr...@iki.fi>");
MODULE_DESCRIPTION("Sony CXD2820R demodulator driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/cxd2820r_priv.h b/drivers/media/dvb/frontends/cxd2820r_priv.h
index 9553913..94dcf7f 100644
--- a/drivers/media/dvb/frontends/cxd2820r_priv.h
+++ b/drivers/media/dvb/frontends/cxd2820r_priv.h
@@ -48,12 +48,9 @@ struct reg_val_mask {
struct cxd2820r_priv {
struct i2c_adapter *i2c;
- struct dvb_frontend fe[2];
+ struct dvb_frontend fe;
struct cxd2820r_config cfg;
- struct mutex fe_lock; /* FE lock */
- int active_fe:2; /* FE lock, -1=NONE, 0=DVB-T/T2, 1=DVB-C */
-
bool ber_running;
u8 bank[2];
diff --git a/drivers/media/dvb/frontends/cxd2820r_t.c b/drivers/media/dvb/frontends/cxd2820r_t.c
index a04f9c8..d5ffc15 100644
--- a/drivers/media/dvb/frontends/cxd2820r_t.c
+++ b/drivers/media/dvb/frontends/cxd2820r_t.c
@@ -22,10 +22,11 @@
#include "cxd2820r_priv.h"
int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+ struct dvb_frontend_parameters *p)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct tuner_state tstate;
int ret, i;
u32 if_khz, if_ctl;
u64 num;
@@ -63,8 +64,20 @@ int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
goto error;
/* program tuner */
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe, p);
+ tstate.delsys = SYS_DVBT;
+ tstate.frequency = c->frequency;
+ tstate.bandwidth = c->bandwidth_hz;
+
+ if (fe->ops.tuner_ops.set_state) {
+ fe->ops.tuner_ops.set_state(fe,
+ DVBFE_TUNER_DELSYS |
+ DVBFE_TUNER_FREQUENCY |
+ DVBFE_TUNER_BANDWIDTH,
+ &tstate);
+ } else {
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe, p);
+ }
if (priv->delivery_system != SYS_DVBT) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
diff --git a/drivers/media/dvb/frontends/cxd2820r_t2.c b/drivers/media/dvb/frontends/cxd2820r_t2.c
index 6548588..a6c9903 100644
--- a/drivers/media/dvb/frontends/cxd2820r_t2.c
+++ b/drivers/media/dvb/frontends/cxd2820r_t2.c
@@ -22,10 +22,11 @@
#include "cxd2820r_priv.h"
int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
+ struct dvb_frontend_parameters *params)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct tuner_state tstate;
int ret, i;
u32 if_khz, if_ctl;
u64 num;
@@ -77,8 +78,21 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
goto error;
/* program tuner */
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe, params);
+
+ tstate.delsys = SYS_DVBT2;
+ tstate.frequency = c->frequency;
+ tstate.bandwidth = c->bandwidth_hz;
+
+ if (fe->ops.tuner_ops.set_state) {
+ fe->ops.tuner_ops.set_state(fe,
+ DVBFE_TUNER_DELSYS |
+ DVBFE_TUNER_FREQUENCY |
+ DVBFE_TUNER_BANDWIDTH,
+ &tstate);
+ } else {
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe, params);
+ }
if (priv->delivery_system != SYS_DVBT2) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
--
1.7.1
