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path: root/drivers/media/pci/saa7164/saa7164-dvb.c
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Diffstat (limited to 'drivers/media/pci/saa7164/saa7164-dvb.c')
-rw-r--r--drivers/media/pci/saa7164/saa7164-dvb.c241
1 files changed, 226 insertions, 15 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-dvb.c b/drivers/media/pci/saa7164/saa7164-dvb.c
index 16ae71592e8c..e9a783b71b45 100644
--- a/drivers/media/pci/saa7164/saa7164-dvb.c
+++ b/drivers/media/pci/saa7164/saa7164-dvb.c
@@ -1,7 +1,7 @@
/*
* Driver for the NXP SAA7164 PCIe bridge
*
- * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
+ * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.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
@@ -24,6 +24,9 @@
#include "tda10048.h"
#include "tda18271.h"
#include "s5h1411.h"
+#include "si2157.h"
+#include "si2168.h"
+#include "lgdt3306a.h"
#define DRIVER_NAME "saa7164"
@@ -82,6 +85,65 @@ static struct s5h1411_config hauppauge_s5h1411_config = {
.mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};
+static struct lgdt3306a_config hauppauge_hvr2255a_config = {
+ .i2c_addr = 0xb2 >> 1,
+ .qam_if_khz = 4000,
+ .vsb_if_khz = 3250,
+ .deny_i2c_rptr = 1, /* Disabled */
+ .spectral_inversion = 0, /* Disabled */
+ .mpeg_mode = LGDT3306A_MPEG_SERIAL,
+ .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE,
+ .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH,
+ .xtalMHz = 25, /* 24 or 25 */
+};
+
+static struct lgdt3306a_config hauppauge_hvr2255b_config = {
+ .i2c_addr = 0x1c >> 1,
+ .qam_if_khz = 4000,
+ .vsb_if_khz = 3250,
+ .deny_i2c_rptr = 1, /* Disabled */
+ .spectral_inversion = 0, /* Disabled */
+ .mpeg_mode = LGDT3306A_MPEG_SERIAL,
+ .tpclk_edge = LGDT3306A_TPCLK_RISING_EDGE,
+ .tpvalid_polarity = LGDT3306A_TP_VALID_HIGH,
+ .xtalMHz = 25, /* 24 or 25 */
+};
+
+static struct si2157_config hauppauge_hvr2255_tuner_config = {
+ .inversion = 1,
+ .if_port = 1,
+};
+
+static int si2157_attach(struct saa7164_port *port, struct i2c_adapter *adapter,
+ struct dvb_frontend *fe, u8 addr8bit, struct si2157_config *cfg)
+{
+ struct i2c_board_info bi;
+ struct i2c_client *tuner;
+
+ cfg->fe = fe;
+
+ memset(&bi, 0, sizeof(bi));
+
+ strlcpy(bi.type, "si2157", I2C_NAME_SIZE);
+ bi.platform_data = cfg;
+ bi.addr = addr8bit >> 1;
+
+ request_module(bi.type);
+
+ tuner = i2c_new_device(adapter, &bi);
+ if (tuner == NULL || tuner->dev.driver == NULL)
+ return -ENODEV;
+
+ if (!try_module_get(tuner->dev.driver->owner)) {
+ i2c_unregister_device(tuner);
+ return -ENODEV;
+ }
+
+ port->i2c_client_tuner = tuner;
+
+ return 0;
+}
+
static int saa7164_dvb_stop_port(struct saa7164_port *port)
{
struct saa7164_dev *dev = port->dev;
@@ -242,14 +304,16 @@ static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed)
if (!demux->dmx.frontend)
return -EINVAL;
- mutex_lock(&dvb->lock);
- if (dvb->feeding++ == 0) {
- /* Start transport */
- ret = saa7164_dvb_start_port(port);
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (dvb->feeding++ == 0) {
+ /* Start transport */
+ ret = saa7164_dvb_start_port(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
}
- mutex_unlock(&dvb->lock);
- dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
- __func__, port->nr, dvb->feeding);
return ret;
}
@@ -264,14 +328,16 @@ static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed)
dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
- mutex_lock(&dvb->lock);
- if (--dvb->feeding == 0) {
- /* Stop transport */
- ret = saa7164_dvb_stop_streaming(port);
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (--dvb->feeding == 0) {
+ /* Stop transport */
+ ret = saa7164_dvb_stop_streaming(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
}
- mutex_unlock(&dvb->lock);
- dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
- __func__, port->nr, dvb->feeding);
return ret;
}
@@ -425,6 +491,7 @@ int saa7164_dvb_unregister(struct saa7164_port *port)
struct saa7164_dev *dev = port->dev;
struct saa7164_buffer *b;
struct list_head *c, *n;
+ struct i2c_client *client;
dprintk(DBGLVL_DVB, "%s()\n", __func__);
@@ -443,6 +510,20 @@ int saa7164_dvb_unregister(struct saa7164_port *port)
if (dvb->frontend == NULL)
return 0;
+ /* remove I2C client for tuner */
+ client = port->i2c_client_tuner;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ /* remove I2C client for demodulator */
+ client = port->i2c_client_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
dvb_net_release(&dvb->net);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
@@ -462,6 +543,12 @@ int saa7164_dvb_register(struct saa7164_port *port)
struct saa7164_dev *dev = port->dev;
struct saa7164_dvb *dvb = &port->dvb;
struct saa7164_i2c *i2c_bus = NULL;
+ struct si2168_config si2168_config;
+ struct si2157_config si2157_config;
+ struct i2c_adapter *adapter;
+ struct i2c_board_info info;
+ struct i2c_client *client_demod;
+ struct i2c_client *client_tuner;
int ret;
dprintk(DBGLVL_DVB, "%s()\n", __func__);
@@ -528,6 +615,126 @@ int saa7164_dvb_register(struct saa7164_port *port)
}
break;
+ case SAA7164_BOARD_HAUPPAUGE_HVR2255proto:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2255:
+ i2c_bus = &dev->i2c_bus[2];
+
+ if (port->nr == 0) {
+ port->dvb.frontend = dvb_attach(lgdt3306a_attach,
+ &hauppauge_hvr2255a_config, &i2c_bus->i2c_adap);
+ } else {
+ port->dvb.frontend = dvb_attach(lgdt3306a_attach,
+ &hauppauge_hvr2255b_config, &i2c_bus->i2c_adap);
+ }
+
+ if (port->dvb.frontend != NULL) {
+
+ if (port->nr == 0) {
+ si2157_attach(port, &dev->i2c_bus[0].i2c_adap,
+ port->dvb.frontend, 0xc0,
+ &hauppauge_hvr2255_tuner_config);
+ } else {
+ si2157_attach(port, &dev->i2c_bus[1].i2c_adap,
+ port->dvb.frontend, 0xc0,
+ &hauppauge_hvr2255_tuner_config);
+ }
+ }
+ break;
+ case SAA7164_BOARD_HAUPPAUGE_HVR2205:
+
+ if (port->nr == 0) {
+ /* attach frontend */
+ memset(&si2168_config, 0, sizeof(si2168_config));
+ si2168_config.i2c_adapter = &adapter;
+ si2168_config.fe = &port->dvb.frontend;
+ si2168_config.ts_mode = SI2168_TS_SERIAL;
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+ info.addr = 0xc8 >> 1;
+ info.platform_data = &si2168_config;
+ request_module(info.type);
+ client_demod = i2c_new_device(&dev->i2c_bus[2].i2c_adap,
+ &info);
+ if (!client_demod || !client_demod->dev.driver)
+ goto frontend_detach;
+
+ if (!try_module_get(client_demod->dev.driver->owner)) {
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ port->i2c_client_demod = client_demod;
+
+ /* attach tuner */
+ memset(&si2157_config, 0, sizeof(si2157_config));
+ si2157_config.if_port = 1;
+ si2157_config.fe = port->dvb.frontend;
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+ info.addr = 0xc0 >> 1;
+ info.platform_data = &si2157_config;
+ request_module(info.type);
+ client_tuner = i2c_new_device(&dev->i2c_bus[0].i2c_adap,
+ &info);
+ if (!client_tuner || !client_tuner->dev.driver) {
+ module_put(client_demod->dev.driver->owner);
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ if (!try_module_get(client_tuner->dev.driver->owner)) {
+ i2c_unregister_device(client_tuner);
+ module_put(client_demod->dev.driver->owner);
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ port->i2c_client_tuner = client_tuner;
+ } else {
+ /* attach frontend */
+ memset(&si2168_config, 0, sizeof(si2168_config));
+ si2168_config.i2c_adapter = &adapter;
+ si2168_config.fe = &port->dvb.frontend;
+ si2168_config.ts_mode = SI2168_TS_SERIAL;
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+ info.addr = 0xcc >> 1;
+ info.platform_data = &si2168_config;
+ request_module(info.type);
+ client_demod = i2c_new_device(&dev->i2c_bus[2].i2c_adap,
+ &info);
+ if (!client_demod || !client_demod->dev.driver)
+ goto frontend_detach;
+
+ if (!try_module_get(client_demod->dev.driver->owner)) {
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ port->i2c_client_demod = client_demod;
+
+ /* attach tuner */
+ memset(&si2157_config, 0, sizeof(si2157_config));
+ si2157_config.fe = port->dvb.frontend;
+ si2157_config.if_port = 1;
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+ info.addr = 0xc0 >> 1;
+ info.platform_data = &si2157_config;
+ request_module(info.type);
+ client_tuner = i2c_new_device(&dev->i2c_bus[1].i2c_adap,
+ &info);
+ if (!client_tuner || !client_tuner->dev.driver) {
+ module_put(client_demod->dev.driver->owner);
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ if (!try_module_get(client_tuner->dev.driver->owner)) {
+ i2c_unregister_device(client_tuner);
+ module_put(client_demod->dev.driver->owner);
+ i2c_unregister_device(client_demod);
+ goto frontend_detach;
+ }
+ port->i2c_client_tuner = client_tuner;
+ }
+
+ break;
default:
printk(KERN_ERR "%s: The frontend isn't supported\n",
dev->name);
@@ -548,5 +755,9 @@ int saa7164_dvb_register(struct saa7164_port *port)
}
return 0;
+
+frontend_detach:
+ printk(KERN_ERR "%s() Frontend/I2C initialization failed\n", __func__);
+ return -1;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.