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Merge pull request #3583 from trsqr/dvbsky-t9580-dvbt2
linux: Add support for the DVB-T2/C tuner of DVBSky T9580
This commit is contained in:
Stephan Raue
commit
58110c9ed2
137
packages/linux/patches/3.17.1/linux-225-dvbt2-support-for-dvbsky-t9580.patch
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137
packages/linux/patches/3.17.1/linux-225-dvbt2-support-for-dvbsky-t9580.patch
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@ -0,0 +1,137 @@
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diff -urN b/drivers/media/pci/cx23885/cx23885-dvb.c c/drivers/media/pci/cx23885/cx23885-dvb.c
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--- b/drivers/media/pci/cx23885/cx23885-dvb.c 2014-10-27 19:08:58.000000000 +0200
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+++ c/drivers/media/pci/cx23885/cx23885-dvb.c 2014-10-28 08:49:07.456447843 +0200
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@@ -75,6 +75,8 @@
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#include "a8293.h"
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#include "mb86a20s.h"
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#include "si2165.h"
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+#include "si2168.h"
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+#include "si2157.h"
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static unsigned int debug;
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@@ -955,6 +957,12 @@
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struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
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int mfe_shared = 0; /* bus not shared by default */
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int ret;
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+ struct si2168_config si2168_config;
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+ struct si2157_config si2157_config;
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+ struct i2c_board_info info;
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+ struct i2c_adapter *adapter;
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+ struct i2c_client *client_demod;
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+ struct i2c_client *client_tuner;
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/* Get the first frontend */
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fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
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@@ -1589,6 +1597,50 @@
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break;
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/* port C */
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case 2:
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+ i2c_bus = &dev->i2c_bus[0];
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+
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+ /* attach frontend */
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+ memset(&si2168_config, 0, sizeof(si2168_config));
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+ si2168_config.i2c_adapter = &adapter;
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+ si2168_config.fe = &fe0->dvb.frontend;
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+ si2168_config.ts_mode = SI2168_TS_SERIAL;
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+ memset(&info, 0, sizeof(struct i2c_board_info));
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+ strlcpy(info.type, "si2168", I2C_NAME_SIZE);
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+ info.addr = 0x64;
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+ info.platform_data = &si2168_config;
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+ request_module(info.type);
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+ client_demod = i2c_new_device(&i2c_bus->i2c_adap, &info);
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+ if (client_demod == NULL ||
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+ client_demod->dev.driver == NULL)
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+ goto frontend_detach;
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+ if (!try_module_get(client_demod->dev.driver->owner)) {
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+ i2c_unregister_device(client_demod);
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+ goto frontend_detach;
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+ }
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+ port->i2c_client_demod = client_demod;
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+
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+ /* attach tuner */
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+ memset(&si2157_config, 0, sizeof(si2157_config));
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+ si2157_config.fe = fe0->dvb.frontend;
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+ memset(&info, 0, sizeof(struct i2c_board_info));
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+ strlcpy(info.type, "si2157", I2C_NAME_SIZE);
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+ info.addr = 0x60;
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+ info.platform_data = &si2157_config;
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+ request_module(info.type);
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+ client_tuner = i2c_new_device(adapter, &info);
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+ if (client_tuner == NULL ||
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+ client_tuner->dev.driver == NULL) {
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+ module_put(client_demod->dev.driver->owner);
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+ i2c_unregister_device(client_demod);
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+ goto frontend_detach;
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+ }
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+ if (!try_module_get(client_tuner->dev.driver->owner)) {
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+ i2c_unregister_device(client_tuner);
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+ module_put(client_demod->dev.driver->owner);
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+ i2c_unregister_device(client_demod);
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+ goto frontend_detach;
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+ }
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+ port->i2c_client_tuner = client_tuner;
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break;
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}
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break;
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@@ -1818,6 +1870,7 @@
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int cx23885_dvb_unregister(struct cx23885_tsport *port)
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{
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struct videobuf_dvb_frontend *fe0;
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+ struct i2c_client *client;
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/* FIXME: in an error condition where the we have
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* an expected number of frontends (attach problem)
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@@ -1826,6 +1879,21 @@
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* This comment only applies to future boards IF they
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* implement MFE support.
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*/
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+
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+ /* remove I2C client for tuner */
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+ client = port->i2c_client_tuner;
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+ if (client) {
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+ module_put(client->dev.driver->owner);
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+ i2c_unregister_device(client);
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+ }
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+
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+ /* remove I2C client for demodulator */
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+ client = port->i2c_client_demod;
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+ if (client) {
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+ module_put(client->dev.driver->owner);
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+ i2c_unregister_device(client);
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+ }
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+
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fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
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if (fe0 && fe0->dvb.frontend)
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videobuf_dvb_unregister_bus(&port->frontends);
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diff -urN b/drivers/media/pci/cx23885/cx23885.h c/drivers/media/pci/cx23885/cx23885.h
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--- b/drivers/media/pci/cx23885/cx23885.h 2014-10-27 19:08:58.000000000 +0200
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+++ c/drivers/media/pci/cx23885/cx23885.h 2014-10-28 08:48:17.700446770 +0200
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@@ -334,6 +334,9 @@
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/* Workaround for a temp dvb_frontend that the tuner can attached to */
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struct dvb_frontend analog_fe;
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+ struct i2c_client *i2c_client_demod;
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+ struct i2c_client *i2c_client_tuner;
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+
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int (*set_frontend)(struct dvb_frontend *fe);
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};
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diff -urN b/drivers/media/pci/cx23885/Kconfig c/drivers/media/pci/cx23885/Kconfig
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--- b/drivers/media/pci/cx23885/Kconfig 2014-10-27 19:08:58.000000000 +0200
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+++ c/drivers/media/pci/cx23885/Kconfig 2014-10-28 08:50:30.804449641 +0200
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@@ -34,12 +34,14 @@
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select DVB_A8293 if MEDIA_SUBDRV_AUTOSELECT
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select DVB_MB86A20S if MEDIA_SUBDRV_AUTOSELECT
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select DVB_SI2165 if MEDIA_SUBDRV_AUTOSELECT
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+ select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_MT2063 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_MT2131 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_TDA8290 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT
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select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT
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+ select MEDIA_TUNER_SI2157 if MEDIA_SUBDRV_AUTOSELECT
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select DVB_TUNER_DIB0070 if MEDIA_SUBDRV_AUTOSELECT
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---help---
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This is a video4linux driver for Conexant 23885 based
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