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path: root/drivers/media/video/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-dvb.c117
1 files changed, 81 insertions, 36 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index e5916dee4094..cef7a2d409cb 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -42,6 +42,8 @@
#include "cxd2820r.h"
#include "tda18271c2dd.h"
#include "drxk.h"
+#include "tda10071.h"
+#include "a8293.h"
MODULE_DESCRIPTION("driver for em28xx based DVB cards");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
@@ -122,7 +124,7 @@ static inline void print_err_status(struct em28xx *dev,
}
}
-static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
+static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
{
int i;
@@ -155,7 +157,7 @@ static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
return 0;
}
-static int start_streaming(struct em28xx_dvb *dvb)
+static int em28xx_start_streaming(struct em28xx_dvb *dvb)
{
int rc;
struct em28xx *dev = dvb->adapter.priv;
@@ -175,10 +177,10 @@ static int start_streaming(struct em28xx_dvb *dvb)
return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
- dvb_isoc_copy);
+ em28xx_dvb_isoc_copy);
}
-static int stop_streaming(struct em28xx_dvb *dvb)
+static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
{
struct em28xx *dev = dvb->adapter.priv;
@@ -189,7 +191,7 @@ static int stop_streaming(struct em28xx_dvb *dvb)
return 0;
}
-static int start_feed(struct dvb_demux_feed *feed)
+static int em28xx_start_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct em28xx_dvb *dvb = demux->priv;
@@ -203,7 +205,7 @@ static int start_feed(struct dvb_demux_feed *feed)
rc = dvb->nfeeds;
if (dvb->nfeeds == 1) {
- ret = start_streaming(dvb);
+ ret = em28xx_start_streaming(dvb);
if (ret < 0)
rc = ret;
}
@@ -212,7 +214,7 @@ static int start_feed(struct dvb_demux_feed *feed)
return rc;
}
-static int stop_feed(struct dvb_demux_feed *feed)
+static int em28xx_stop_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct em28xx_dvb *dvb = demux->priv;
@@ -222,7 +224,7 @@ static int stop_feed(struct dvb_demux_feed *feed)
dvb->nfeeds--;
if (0 == dvb->nfeeds)
- err = stop_streaming(dvb);
+ err = em28xx_stop_streaming(dvb);
mutex_unlock(&dvb->lock);
return err;
@@ -380,7 +382,7 @@ static void terratec_h5_init(struct em28xx *dev)
em28xx_gpio_set(dev, terratec_h5_end);
};
-static int mt352_terratec_xs_init(struct dvb_frontend *fe)
+static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
{
/* Values extracted from a USB trace of the Terratec Windows driver */
static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c };
@@ -412,7 +414,7 @@ static struct mt352_config terratec_xs_mt352_cfg = {
.demod_address = (0x1e >> 1),
.no_tuner = 1,
.if2 = 45600,
- .demod_init = mt352_terratec_xs_init,
+ .demod_init = em28xx_mt352_terratec_xs_init,
};
static struct tda10023_config em28xx_tda10023_config = {
@@ -438,11 +440,25 @@ static struct cxd2820r_config em28xx_cxd2820r_config = {
static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
.output_opt = TDA18271_OUTPUT_LT_OFF,
+ .gate = TDA18271_GATE_DIGITAL,
+};
+
+static const struct tda10071_config em28xx_tda10071_config = {
+ .i2c_address = 0x55, /* (0xaa >> 1) */
+ .i2c_wr_max = 64,
+ .ts_mode = TDA10071_TS_SERIAL,
+ .spec_inv = 0,
+ .xtal = 40444000, /* 40.444 MHz */
+ .pll_multiplier = 20,
+};
+
+static const struct a8293_config em28xx_a8293_config = {
+ .i2c_addr = 0x08, /* (0x10 >> 1) */
};
/* ------------------------------------------------------------------ */
-static int attach_xc3028(u8 addr, struct em28xx *dev)
+static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
{
struct dvb_frontend *fe;
struct xc2028_config cfg;
@@ -472,10 +488,8 @@ static int attach_xc3028(u8 addr, struct em28xx *dev)
/* ------------------------------------------------------------------ */
-static int register_dvb(struct em28xx_dvb *dvb,
- struct module *module,
- struct em28xx *dev,
- struct device *device)
+static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
+ struct em28xx *dev, struct device *device)
{
int result;
@@ -522,8 +536,8 @@ static int register_dvb(struct em28xx_dvb *dvb,
dvb->demux.priv = dvb;
dvb->demux.filternum = 256;
dvb->demux.feednum = 256;
- dvb->demux.start_feed = start_feed;
- dvb->demux.stop_feed = stop_feed;
+ dvb->demux.start_feed = em28xx_start_feed;
+ dvb->demux.stop_feed = em28xx_stop_feed;
result = dvb_dmx_init(&dvb->demux);
if (result < 0) {
@@ -591,7 +605,7 @@ fail_adapter:
return result;
}
-static void unregister_dvb(struct em28xx_dvb *dvb)
+static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
{
dvb_net_release(&dvb->net);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
@@ -607,9 +621,9 @@ static void unregister_dvb(struct em28xx_dvb *dvb)
dvb_unregister_adapter(&dvb->adapter);
}
-static int dvb_init(struct em28xx *dev)
+static int em28xx_dvb_init(struct em28xx *dev)
{
- int result = 0;
+ int result = 0, mfe_shared = 0;
struct em28xx_dvb *dvb;
if (!dev->board.has_dvb) {
@@ -648,7 +662,7 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0] = dvb_attach(lgdt330x_attach,
&em2880_lgdt3303_dev,
&dev->i2c_adap);
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -657,7 +671,7 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_with_xc3028,
&dev->i2c_adap);
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -668,7 +682,7 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_xc3028_no_i2c_gate,
&dev->i2c_adap);
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -689,7 +703,7 @@ static int dvb_init(struct em28xx *dev)
&dev->i2c_adap);
}
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -699,7 +713,7 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0] = dvb_attach(s5h1409_attach,
&em28xx_s5h1409_with_xc3028,
&dev->i2c_adap);
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -720,7 +734,7 @@ static int dvb_init(struct em28xx *dev)
case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
&dev->i2c_adap, &dev->udev->dev);
- if (attach_xc3028(0x61, dev) < 0) {
+ if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
@@ -753,11 +767,9 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0] = dvb_attach(cxd2820r_attach,
&em28xx_cxd2820r_config, &dev->i2c_adap, NULL);
if (dvb->fe[0]) {
- struct i2c_adapter *i2c_tuner;
- i2c_tuner = cxd2820r_get_tuner_i2c_adapter(dvb->fe[0]);
/* FE 0 attach tuner */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
- i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
+ &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) {
dvb_frontend_detach(dvb->fe[0]);
result = -EINVAL;
goto out_free;
@@ -768,10 +780,12 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[1]->id = 1;
/* FE 1 attach tuner */
if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60,
- i2c_tuner, &em28xx_cxd2820r_tda18271_config)) {
+ &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) {
dvb_frontend_detach(dvb->fe[1]);
/* leave FE 0 still active */
}
+
+ mfe_shared = 1;
}
break;
case EM2884_BOARD_TERRATEC_H5:
@@ -809,6 +823,16 @@ static int dvb_init(struct em28xx *dev)
sizeof(dvb->fe[0]->ops.tuner_ops));
break;
+ case EM28174_BOARD_PCTV_460E:
+ /* attach demod */
+ dvb->fe[0] = dvb_attach(tda10071_attach,
+ &em28xx_tda10071_config, &dev->i2c_adap);
+
+ /* attach SEC */
+ if (dvb->fe[0])
+ dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
+ &em28xx_a8293_config);
+ break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");
@@ -823,11 +847,14 @@ static int dvb_init(struct em28xx *dev)
dvb->fe[0]->callback = em28xx_tuner_callback;
/* register everything */
- result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
+ result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
if (result < 0)
goto out_free;
+ /* MFE lock */
+ dvb->adapter.mfe_shared = mfe_shared;
+
em28xx_info("Successfully loaded em28xx-dvb\n");
ret:
em28xx_set_mode(dev, EM28XX_SUSPEND);
@@ -840,7 +867,14 @@ out_free:
goto ret;
}
-static int dvb_fini(struct em28xx *dev)
+static inline void prevent_sleep(struct dvb_frontend_ops *ops)
+{
+ ops->set_voltage = NULL;
+ ops->sleep = NULL;
+ ops->tuner_ops.sleep = NULL;
+}
+
+static int em28xx_dvb_fini(struct em28xx *dev)
{
if (!dev->board.has_dvb) {
/* This device does not support the extension */
@@ -848,8 +882,19 @@ static int dvb_fini(struct em28xx *dev)
}
if (dev->dvb) {
- unregister_dvb(dev->dvb);
- kfree(dev->dvb);
+ struct em28xx_dvb *dvb = dev->dvb;
+
+ if (dev->state & DEV_DISCONNECTED) {
+ /* We cannot tell the device to sleep
+ * once it has been unplugged. */
+ if (dvb->fe[0])
+ prevent_sleep(&dvb->fe[0]->ops);
+ if (dvb->fe[1])
+ prevent_sleep(&dvb->fe[1]->ops);
+ }
+
+ em28xx_unregister_dvb(dvb);
+ kfree(dvb);
dev->dvb = NULL;
}
@@ -859,8 +904,8 @@ static int dvb_fini(struct em28xx *dev)
static struct em28xx_ops dvb_ops = {
.id = EM28XX_DVB,
.name = "Em28xx dvb Extension",
- .init = dvb_init,
- .fini = dvb_fini,
+ .init = em28xx_dvb_init,
+ .fini = em28xx_dvb_fini,
};
static int __init em28xx_dvb_register(void)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 23:56:39 +0300