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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-08-12 18:50:22 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-08-21 15:25:30 -0500
commit47f79129ecf5fd12d847c2e63b6ce39d1df4a648 (patch)
tree6ca833bb26cb664145a84ae44b4ba4928dacaac7 /drivers/media/usb/as102
parentc098c219b0c2da64250dd0542c5c54ca7245d1a5 (diff)
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[media] as102: prepare as102_fe to be compiled as a module
Remove the dependencies of as102_cmd from as102, in order to allow it to be compiled as a separate module. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/usb/as102')
-rw-r--r--drivers/media/usb/as102/as102_drv.c116
-rw-r--r--drivers/media/usb/as102/as102_drv.h8
-rw-r--r--drivers/media/usb/as102/as102_fe.c105
-rw-r--r--drivers/media/usb/as102/as102_fe.h29
-rw-r--r--drivers/media/usb/as102/as10x_cmd.h2
-rw-r--r--drivers/media/usb/as102/as10x_handle.h3
-rw-r--r--drivers/media/usb/as102/as10x_types.h2
7 files changed, 179 insertions, 86 deletions
diff --git a/drivers/media/usb/as102/as102_drv.c b/drivers/media/usb/as102/as102_drv.c
index ff5bd2e5657a..8be1474b2c36 100644
--- a/drivers/media/usb/as102/as102_drv.c
+++ b/drivers/media/usb/as102/as102_drv.c
@@ -24,6 +24,8 @@
/* header file for usb device driver*/
#include "as102_drv.h"
+#include "as10x_cmd.h"
+#include "as102_fe.h"
#include "as102_fw.h"
#include "dvbdev.h"
@@ -176,6 +178,119 @@ static int as102_dvb_dmx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
return 0;
}
+static int as102_set_tune(void *priv, struct as10x_tune_args *tune_args)
+{
+ struct as10x_bus_adapter_t *bus_adap = priv;
+ int ret;
+
+ /* Set frontend arguments */
+ if (mutex_lock_interruptible(&bus_adap->lock))
+ return -EBUSY;
+
+ ret = as10x_cmd_set_tune(bus_adap, tune_args);
+ if (ret != 0)
+ dev_dbg(&bus_adap->usb_dev->dev,
+ "as10x_cmd_set_tune failed. (err = %d)\n", ret);
+
+ mutex_unlock(&bus_adap->lock);
+
+ return ret;
+}
+
+static int as102_get_tps(void *priv, struct as10x_tps *tps)
+{
+ struct as10x_bus_adapter_t *bus_adap = priv;
+ int ret;
+
+ if (mutex_lock_interruptible(&bus_adap->lock))
+ return -EBUSY;
+
+ /* send abilis command: GET_TPS */
+ ret = as10x_cmd_get_tps(bus_adap, tps);
+
+ mutex_unlock(&bus_adap->lock);
+
+ return ret;
+}
+
+static int as102_get_status(void *priv, struct as10x_tune_status *tstate)
+{
+ struct as10x_bus_adapter_t *bus_adap = priv;
+ int ret;
+
+ if (mutex_lock_interruptible(&bus_adap->lock))
+ return -EBUSY;
+
+ /* send abilis command: GET_TUNE_STATUS */
+ ret = as10x_cmd_get_tune_status(bus_adap, tstate);
+ if (ret < 0) {
+ dev_dbg(&bus_adap->usb_dev->dev,
+ "as10x_cmd_get_tune_status failed (err = %d)\n",
+ ret);
+ }
+
+ mutex_unlock(&bus_adap->lock);
+
+ return ret;
+}
+
+static int as102_get_stats(void *priv, struct as10x_demod_stats *demod_stats)
+{
+ struct as10x_bus_adapter_t *bus_adap = priv;
+ int ret;
+
+ if (mutex_lock_interruptible(&bus_adap->lock))
+ return -EBUSY;
+
+ /* send abilis command: GET_TUNE_STATUS */
+ ret = as10x_cmd_get_demod_stats(bus_adap, demod_stats);
+ if (ret < 0) {
+ dev_dbg(&bus_adap->usb_dev->dev,
+ "as10x_cmd_get_demod_stats failed (probably not tuned)\n");
+ } else {
+ dev_dbg(&bus_adap->usb_dev->dev,
+ "demod status: fc: 0x%08x, bad fc: 0x%08x, bytes corrected: 0x%08x , MER: 0x%04x\n",
+ demod_stats->frame_count,
+ demod_stats->bad_frame_count,
+ demod_stats->bytes_fixed_by_rs,
+ demod_stats->mer);
+ }
+ mutex_unlock(&bus_adap->lock);
+
+ return ret;
+}
+
+static int as102_stream_ctrl(void *priv, int acquire, uint32_t elna_cfg)
+{
+ struct as10x_bus_adapter_t *bus_adap = priv;
+ int ret;
+
+ if (mutex_lock_interruptible(&bus_adap->lock))
+ return -EBUSY;
+
+ if (acquire) {
+ if (elna_enable)
+ as10x_cmd_set_context(bus_adap,
+ CONTEXT_LNA, elna_cfg);
+
+ ret = as10x_cmd_turn_on(bus_adap);
+ } else {
+ ret = as10x_cmd_turn_off(bus_adap);
+ }
+
+ mutex_unlock(&bus_adap->lock);
+
+ return ret;
+}
+
+static const struct as102_fe_ops as102_fe_ops = {
+ .set_tune = as102_set_tune,
+ .get_tps = as102_get_tps,
+ .get_status = as102_get_status,
+ .get_stats = as102_get_stats,
+ .stream_ctrl = as102_stream_ctrl,
+};
+
int as102_dvb_register(struct as102_dev_t *as102_dev)
{
struct device *dev = &as102_dev->bus_adap.usb_dev->dev;
@@ -218,6 +333,7 @@ int as102_dvb_register(struct as102_dev_t *as102_dev)
/* Attach the frontend */
as102_dev->dvb_fe = dvb_attach(as102_attach, as102_dev->name,
+ &as102_fe_ops,
&as102_dev->bus_adap,
as102_dev->elna_cfg);
if (!as102_dev->dvb_fe) {
diff --git a/drivers/media/usb/as102/as102_drv.h b/drivers/media/usb/as102/as102_drv.h
index 1e2a76d3c517..9430d30163a3 100644
--- a/drivers/media/usb/as102/as102_drv.h
+++ b/drivers/media/usb/as102/as102_drv.h
@@ -13,10 +13,13 @@
* GNU General Public License for more details.
*/
+#ifndef _AS102_DRV_H
+#define _AS102_DRV_H
#include <linux/usb.h>
#include <dvb_demux.h>
#include <dvb_frontend.h>
#include <dmxdev.h>
+#include "as10x_handle.h"
#include "as10x_cmd.h"
#include "as102_usb_drv.h"
@@ -77,7 +80,4 @@ struct as102_dev_t {
int as102_dvb_register(struct as102_dev_t *dev);
void as102_dvb_unregister(struct as102_dev_t *dev);
-/* FIXME: move it to a separate header */
-struct dvb_frontend *as102_attach(const char *name,
- struct as10x_bus_adapter_t *bus_adap,
- uint8_t elna_cfg);
+#endif \ No newline at end of file
diff --git a/drivers/media/usb/as102/as102_fe.c b/drivers/media/usb/as102/as102_fe.c
index 0cd19f23eca9..f57560c191ae 100644
--- a/drivers/media/usb/as102/as102_fe.c
+++ b/drivers/media/usb/as102/as102_fe.c
@@ -13,15 +13,17 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-#include "as102_drv.h"
-#include "as10x_types.h"
-#include "as10x_cmd.h"
+
+#include <dvb_frontend.h>
+
+#include "as102_fe.h"
struct as102_state {
struct dvb_frontend frontend;
struct as10x_demod_stats demod_stats;
- struct as10x_bus_adapter_t *bus_adap;
+ const struct as102_fe_ops *ops;
+ void *priv;
uint8_t elna_cfg;
/* signal strength */
@@ -62,7 +64,6 @@ static int as102_fe_set_frontend(struct dvb_frontend *fe)
{
struct as102_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret = 0;
struct as10x_tune_args tune_args = { 0 };
/* set frequency */
@@ -186,17 +187,7 @@ static int as102_fe_set_frontend(struct dvb_frontend *fe)
}
/* Set frontend arguments */
- if (mutex_lock_interruptible(&state->bus_adap->lock))
- return -EBUSY;
-
- ret = as10x_cmd_set_tune(state->bus_adap, &tune_args);
- if (ret != 0)
- dev_dbg(&state->bus_adap->usb_dev->dev,
- "as10x_cmd_set_tune failed. (err = %d)\n", ret);
-
- mutex_unlock(&state->bus_adap->lock);
-
- return (ret < 0) ? -EINVAL : 0;
+ return state->ops->set_tune(state->priv, &tune_args);
}
static int as102_fe_get_frontend(struct dvb_frontend *fe)
@@ -206,14 +197,8 @@ static int as102_fe_get_frontend(struct dvb_frontend *fe)
int ret = 0;
struct as10x_tps tps = { 0 };
- if (mutex_lock_interruptible(&state->bus_adap->lock))
- return -EBUSY;
-
/* send abilis command: GET_TPS */
- ret = as10x_cmd_get_tps(state->bus_adap, &tps);
-
- mutex_unlock(&state->bus_adap->lock);
-
+ ret = state->ops->get_tps(state->priv, &tps);
if (ret < 0)
return ret;
@@ -321,24 +306,16 @@ static int as102_fe_get_tune_settings(struct dvb_frontend *fe,
return 0;
}
-
static int as102_fe_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
int ret = 0;
struct as102_state *state = fe->demodulator_priv;
struct as10x_tune_status tstate = { 0 };
- if (mutex_lock_interruptible(&state->bus_adap->lock))
- return -EBUSY;
-
/* send abilis command: GET_TUNE_STATUS */
- ret = as10x_cmd_get_tune_status(state->bus_adap, &tstate);
- if (ret < 0) {
- dev_dbg(&state->bus_adap->usb_dev->dev,
- "as10x_cmd_get_tune_status failed (err = %d)\n",
- ret);
- goto out;
- }
+ ret = state->ops->get_status(state->priv, &tstate);
+ if (ret < 0)
+ return ret;
state->signal_strength = tstate.signal_strength;
state->ber = tstate.BER;
@@ -358,31 +335,19 @@ static int as102_fe_read_status(struct dvb_frontend *fe, fe_status_t *status)
*status = TUNE_STATUS_NOT_TUNED;
}
- dev_dbg(&state->bus_adap->usb_dev->dev,
- "tuner status: 0x%02x, strength %d, per: %d, ber: %d\n",
- tstate.tune_state, tstate.signal_strength,
- tstate.PER, tstate.BER);
-
- if (*status & FE_HAS_LOCK) {
- if (as10x_cmd_get_demod_stats(state->bus_adap,
- (struct as10x_demod_stats *) &state->demod_stats) < 0) {
- memset(&state->demod_stats, 0, sizeof(state->demod_stats));
- dev_dbg(&state->bus_adap->usb_dev->dev,
- "as10x_cmd_get_demod_stats failed (probably not tuned)\n");
- } else {
- dev_dbg(&state->bus_adap->usb_dev->dev,
- "demod status: fc: 0x%08x, bad fc: 0x%08x, bytes corrected: 0x%08x , MER: 0x%04x\n",
- state->demod_stats.frame_count,
- state->demod_stats.bad_frame_count,
- state->demod_stats.bytes_fixed_by_rs,
- state->demod_stats.mer);
- }
- } else {
+ pr_debug("as102: tuner status: 0x%02x, strength %d, per: %d, ber: %d\n",
+ tstate.tune_state, tstate.signal_strength,
+ tstate.PER, tstate.BER);
+
+ if (!(*status & FE_HAS_LOCK)) {
memset(&state->demod_stats, 0, sizeof(state->demod_stats));
+ return 0;
}
-out:
- mutex_unlock(&state->bus_adap->lock);
+ ret = state->ops->get_stats(state->priv, &state->demod_stats);
+ if (ret < 0)
+ memset(&state->demod_stats, 0, sizeof(state->demod_stats));
+
return ret;
}
@@ -436,24 +401,9 @@ static int as102_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
static int as102_fe_ts_bus_ctrl(struct dvb_frontend *fe, int acquire)
{
struct as102_state *state = fe->demodulator_priv;
- int ret;
-
- if (mutex_lock_interruptible(&state->bus_adap->lock))
- return -EBUSY;
- if (acquire) {
- if (elna_enable)
- as10x_cmd_set_context(state->bus_adap,
- CONTEXT_LNA, state->elna_cfg);
-
- ret = as10x_cmd_turn_on(state->bus_adap);
- } else {
- ret = as10x_cmd_turn_off(state->bus_adap);
- }
-
- mutex_unlock(&state->bus_adap->lock);
-
- return ret;
+ return state->ops->stream_ctrl(state->priv, acquire,
+ state->elna_cfg);
}
static struct dvb_frontend_ops as102_fe_ops = {
@@ -488,7 +438,8 @@ static struct dvb_frontend_ops as102_fe_ops = {
};
struct dvb_frontend *as102_attach(const char *name,
- struct as10x_bus_adapter_t *bus_adap,
+ const struct as102_fe_ops *ops,
+ void *priv,
uint8_t elna_cfg)
{
struct as102_state *state;
@@ -496,13 +447,13 @@ struct dvb_frontend *as102_attach(const char *name,
state = kzalloc(sizeof(struct as102_state), GFP_KERNEL);
if (state == NULL) {
- dev_err(&bus_adap->usb_dev->dev,
- "%s: unable to allocate memory for state\n", __func__);
+ pr_err("%s: unable to allocate memory for state\n", __func__);
return NULL;
}
fe = &state->frontend;
fe->demodulator_priv = state;
- state->bus_adap = bus_adap;
+ state->ops = ops;
+ state->priv = priv;
state->elna_cfg = elna_cfg;
/* init frontend callback ops */
diff --git a/drivers/media/usb/as102/as102_fe.h b/drivers/media/usb/as102/as102_fe.h
new file mode 100644
index 000000000000..4098cf8f8cf9
--- /dev/null
+++ b/drivers/media/usb/as102/as102_fe.h
@@ -0,0 +1,29 @@
+/*
+ * Abilis Systems Single DVB-T Receiver
+ * Copyright (C) 2014 Mauro Carvalho Chehab <m.chehab@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "as10x_types.h"
+
+struct as102_fe_ops {
+ int (*set_tune)(void *priv, struct as10x_tune_args *tune_args);
+ int (*get_tps)(void *priv, struct as10x_tps *tps);
+ int (*get_status)(void *priv, struct as10x_tune_status *tstate);
+ int (*get_stats)(void *priv, struct as10x_demod_stats *demod_stats);
+ int (*stream_ctrl)(void *priv, int acquire, uint32_t elna_cfg);
+};
+
+struct dvb_frontend *as102_attach(const char *name,
+ const struct as102_fe_ops *ops,
+ void *priv,
+ uint8_t elna_cfg);
diff --git a/drivers/media/usb/as102/as10x_cmd.h b/drivers/media/usb/as102/as10x_cmd.h
index 1c9ea2c2175e..83c0440dba2f 100644
--- a/drivers/media/usb/as102/as10x_cmd.h
+++ b/drivers/media/usb/as102/as10x_cmd.h
@@ -15,9 +15,7 @@
#ifndef _AS10X_CMD_H_
#define _AS10X_CMD_H_
-#ifdef __KERNEL__
#include <linux/kernel.h>
-#endif
#include "as10x_types.h"
diff --git a/drivers/media/usb/as102/as10x_handle.h b/drivers/media/usb/as102/as10x_handle.h
index e535fffbcd94..d6b58c770500 100644
--- a/drivers/media/usb/as102/as10x_handle.h
+++ b/drivers/media/usb/as102/as10x_handle.h
@@ -12,7 +12,8 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-#ifdef __KERNEL__
+#ifndef _AS10X_HANDLE_H
+#define _AS10X_HANDLE_H
struct as10x_bus_adapter_t;
struct as102_dev_t;
diff --git a/drivers/media/usb/as102/as10x_types.h b/drivers/media/usb/as102/as10x_types.h
index f82d51e542e3..80a5398b580f 100644
--- a/drivers/media/usb/as102/as10x_types.h
+++ b/drivers/media/usb/as102/as10x_types.h
@@ -15,8 +15,6 @@
#ifndef _AS10X_TYPES_H_
#define _AS10X_TYPES_H_
-#include "as10x_handle.h"
-
/*********************************/
/* MACRO DEFINITIONS */
/*********************************/