diff mbox

[1/7] cx231xx: Add second frontend option

Message ID 1515773982-6411-2-git-send-email-brad@nextdimension.cc (mailing list archive)
State New, archived
Headers show

Commit Message

Brad Love Jan. 12, 2018, 4:19 p.m. UTC
Include ability to add a second dvb attach style frontend to cx231xx
USB bridge. All current boards set to use frontend[0]. Changes are
backwards compatible with current behaviour.

Signed-off-by: Brad Love <brad@nextdimension.cc>
---
 drivers/media/usb/cx231xx/cx231xx-dvb.c | 173 ++++++++++++++++++--------------
 1 file changed, 97 insertions(+), 76 deletions(-)

Comments

Alex Deucher Jan. 12, 2018, 7:09 p.m. UTC | #1
On Fri, Jan 12, 2018 at 11:19 AM, Brad Love <brad@nextdimension.cc> wrote:
> Include ability to add a second dvb attach style frontend to cx231xx
> USB bridge. All current boards set to use frontend[0]. Changes are
> backwards compatible with current behaviour.
>
> Signed-off-by: Brad Love <brad@nextdimension.cc>
> ---
>  drivers/media/usb/cx231xx/cx231xx-dvb.c | 173 ++++++++++++++++++--------------
>  1 file changed, 97 insertions(+), 76 deletions(-)
>
> diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
> index cb4209f..4c6d2f4 100644
> --- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
> +++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
> @@ -55,7 +55,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
>  #define CX231XX_DVB_MAX_PACKETS 64
>
>  struct cx231xx_dvb {
> -       struct dvb_frontend *frontend;
> +       struct dvb_frontend *frontend[2];

Maybe define something like CX231XX_MAX_FRONTEND and use it here
rather than using a hardcoded 2.

Alex


>
>         /* feed count management */
>         struct mutex lock;
> @@ -386,17 +386,17 @@ static int attach_xc5000(u8 addr, struct cx231xx *dev)
>         cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
>         cfg.i2c_addr = addr;
>
> -       if (!dev->dvb->frontend) {
> +       if (!dev->dvb->frontend[0]) {
>                 dev_err(dev->dev, "%s/2: dvb frontend not attached. Can't attach xc5000\n",
>                         dev->name);
>                 return -EINVAL;
>         }
>
> -       fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
> +       fe = dvb_attach(xc5000_attach, dev->dvb->frontend[0], &cfg);
>         if (!fe) {
>                 dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
> -               dvb_frontend_detach(dev->dvb->frontend);
> -               dev->dvb->frontend = NULL;
> +               dvb_frontend_detach(dev->dvb->frontend[0]);
> +               dev->dvb->frontend[0] = NULL;
>                 return -EINVAL;
>         }
>
> @@ -408,9 +408,9 @@ static int attach_xc5000(u8 addr, struct cx231xx *dev)
>
>  int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
>  {
> -       if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
> +       if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
>
> -               struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
> +               struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
>
>                 if (dops->set_analog_params != NULL) {
>                         struct analog_parameters params;
> @@ -421,7 +421,7 @@ int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
>                         /*params.audmode = ;       */
>
>                         /* Set the analog parameters to set the frequency */
> -                       dops->set_analog_params(dev->dvb->frontend, &params);
> +                       dops->set_analog_params(dev->dvb->frontend[0], &params);
>                 }
>
>         }
> @@ -433,15 +433,15 @@ int cx231xx_reset_analog_tuner(struct cx231xx *dev)
>  {
>         int status = 0;
>
> -       if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
> +       if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
>
> -               struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
> +               struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
>
>                 if (dops->init != NULL && !dev->xc_fw_load_done) {
>
>                         dev_dbg(dev->dev,
>                                 "Reloading firmware for XC5000\n");
> -                       status = dops->init(dev->dvb->frontend);
> +                       status = dops->init(dev->dvb->frontend[0]);
>                         if (status == 0) {
>                                 dev->xc_fw_load_done = 1;
>                                 dev_dbg(dev->dev,
> @@ -481,17 +481,29 @@ static int register_dvb(struct cx231xx_dvb *dvb,
>         dvb_register_media_controller(&dvb->adapter, dev->media_dev);
>
>         /* Ensure all frontends negotiate bus access */
> -       dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
> +       dvb->frontend[0]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
> +       if (dvb->frontend[1])
> +               dvb->frontend[1]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
>
>         dvb->adapter.priv = dev;
>
>         /* register frontend */
> -       result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
> +       result = dvb_register_frontend(&dvb->adapter, dvb->frontend[0]);
>         if (result < 0) {
>                 dev_warn(dev->dev,
>                        "%s: dvb_register_frontend failed (errno = %d)\n",
>                        dev->name, result);
> -               goto fail_frontend;
> +               goto fail_frontend0;
> +       }
> +
> +       if (dvb->frontend[1]) {
> +               result = dvb_register_frontend(&dvb->adapter, dvb->frontend[1]);
> +               if (result < 0) {
> +                       dev_warn(dev->dev,
> +                               "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
> +                               dev->name, result);
> +                       goto fail_frontend1;
> +               }
>         }
>
>         /* register demux stuff */
> @@ -569,9 +581,14 @@ static int register_dvb(struct cx231xx_dvb *dvb,
>  fail_dmxdev:
>         dvb_dmx_release(&dvb->demux);
>  fail_dmx:
> -       dvb_unregister_frontend(dvb->frontend);
> -fail_frontend:
> -       dvb_frontend_detach(dvb->frontend);
> +       if (dvb->frontend[1])
> +               dvb_unregister_frontend(dvb->frontend[1]);
> +       dvb_unregister_frontend(dvb->frontend[0]);
> +fail_frontend1:
> +       if (dvb->frontend[1])
> +               dvb_frontend_detach(dvb->frontend[1]);
> +fail_frontend0:
> +       dvb_frontend_detach(dvb->frontend[0]);
>         dvb_unregister_adapter(&dvb->adapter);
>  fail_adapter:
>         return result;
> @@ -585,8 +602,12 @@ static void unregister_dvb(struct cx231xx_dvb *dvb)
>         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
>         dvb_dmxdev_release(&dvb->dmxdev);
>         dvb_dmx_release(&dvb->demux);
> -       dvb_unregister_frontend(dvb->frontend);
> -       dvb_frontend_detach(dvb->frontend);
> +       if (dvb->frontend[1])
> +               dvb_unregister_frontend(dvb->frontend[1]);
> +       dvb_unregister_frontend(dvb->frontend[0]);
> +       if (dvb->frontend[1])
> +               dvb_frontend_detach(dvb->frontend[1]);
> +       dvb_frontend_detach(dvb->frontend[0]);
>         dvb_unregister_adapter(&dvb->adapter);
>         /* remove I2C tuner */
>         client = dvb->i2c_client_tuner;
> @@ -635,11 +656,11 @@ static int dvb_init(struct cx231xx *dev)
>         case CX231XX_BOARD_CNXT_CARRAERA:
>         case CX231XX_BOARD_CNXT_RDE_250:
>
> -               dev->dvb->frontend = dvb_attach(s5h1432_attach,
> +               dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
>                                         &dvico_s5h1432_config,
>                                         demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach s5h1432 front end\n");
>                         result = -EINVAL;
> @@ -647,9 +668,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
> +               if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
>                                tuner_i2c,
>                                &cnxt_rde250_tunerconfig)) {
>                         result = -EINVAL;
> @@ -660,11 +681,11 @@ static int dvb_init(struct cx231xx *dev)
>         case CX231XX_BOARD_CNXT_SHELBY:
>         case CX231XX_BOARD_CNXT_RDU_250:
>
> -               dev->dvb->frontend = dvb_attach(s5h1411_attach,
> +               dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
>                                                &xc5000_s5h1411_config,
>                                                demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach s5h1411 front end\n");
>                         result = -EINVAL;
> @@ -672,9 +693,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
> +               if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
>                                tuner_i2c,
>                                &cnxt_rdu250_tunerconfig)) {
>                         result = -EINVAL;
> @@ -683,11 +704,11 @@ static int dvb_init(struct cx231xx *dev)
>                 break;
>         case CX231XX_BOARD_CNXT_RDE_253S:
>
> -               dev->dvb->frontend = dvb_attach(s5h1432_attach,
> +               dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
>                                         &dvico_s5h1432_config,
>                                         demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach s5h1432 front end\n");
>                         result = -EINVAL;
> @@ -695,9 +716,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
> +               if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>                                0x60, tuner_i2c,
>                                &cnxt_rde253s_tunerconfig)) {
>                         result = -EINVAL;
> @@ -707,11 +728,11 @@ static int dvb_init(struct cx231xx *dev)
>         case CX231XX_BOARD_CNXT_RDU_253S:
>         case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
>
> -               dev->dvb->frontend = dvb_attach(s5h1411_attach,
> +               dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
>                                                &tda18271_s5h1411_config,
>                                                demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach s5h1411 front end\n");
>                         result = -EINVAL;
> @@ -719,9 +740,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
> +               if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>                                0x60, tuner_i2c,
>                                &cnxt_rde253s_tunerconfig)) {
>                         result = -EINVAL;
> @@ -734,11 +755,11 @@ static int dvb_init(struct cx231xx *dev)
>                          "%s: looking for tuner / demod on i2c bus: %d\n",
>                        __func__, i2c_adapter_id(tuner_i2c));
>
> -               dev->dvb->frontend = dvb_attach(lgdt3305_attach,
> +               dev->dvb->frontend[0] = dvb_attach(lgdt3305_attach,
>                                                 &hcw_lgdt3305_config,
>                                                 demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach LG3305 front end\n");
>                         result = -EINVAL;
> @@ -746,9 +767,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>                            0x60, tuner_i2c,
>                            &hcw_tda18271_config);
>                 break;
> @@ -761,7 +782,7 @@ static int dvb_init(struct cx231xx *dev)
>
>                 /* attach demod */
>                 memset(&si2165_pdata, 0, sizeof(si2165_pdata));
> -               si2165_pdata.fe = &dev->dvb->frontend;
> +               si2165_pdata.fe = &dev->dvb->frontend[0];
>                 si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
>                 si2165_pdata.ref_freq_hz = 16000000;
>
> @@ -771,7 +792,7 @@ static int dvb_init(struct cx231xx *dev)
>                 info.platform_data = &si2165_pdata;
>                 request_module(info.type);
>                 client = i2c_new_device(demod_i2c, &info);
> -               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
> +               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach SI2165 front end\n");
>                         result = -EINVAL;
> @@ -786,12 +807,12 @@ static int dvb_init(struct cx231xx *dev)
>
>                 dvb->i2c_client_demod = client;
>
> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>                         0x60,
>                         tuner_i2c,
>                         &hcw_tda18271_config);
> @@ -808,7 +829,7 @@ static int dvb_init(struct cx231xx *dev)
>
>                 /* attach demod */
>                 memset(&si2165_pdata, 0, sizeof(si2165_pdata));
> -               si2165_pdata.fe = &dev->dvb->frontend;
> +               si2165_pdata.fe = &dev->dvb->frontend[0];
>                 si2165_pdata.chip_mode = SI2165_MODE_PLL_EXT;
>                 si2165_pdata.ref_freq_hz = 24000000;
>
> @@ -818,7 +839,7 @@ static int dvb_init(struct cx231xx *dev)
>                 info.platform_data = &si2165_pdata;
>                 request_module(info.type);
>                 client = i2c_new_device(demod_i2c, &info);
> -               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
> +               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach SI2165 front end\n");
>                         result = -EINVAL;
> @@ -835,14 +856,14 @@ static int dvb_init(struct cx231xx *dev)
>
>                 memset(&info, 0, sizeof(struct i2c_board_info));
>
> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
>                 /* attach tuner */
>                 memset(&si2157_config, 0, sizeof(si2157_config));
> -               si2157_config.fe = dev->dvb->frontend;
> +               si2157_config.fe = dev->dvb->frontend[0];
>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>                 si2157_config.mdev = dev->media_dev;
>  #endif
> @@ -857,14 +878,14 @@ static int dvb_init(struct cx231xx *dev)
>                         tuner_i2c,
>                         &info);
>                 if (client == NULL || client->dev.driver == NULL) {
> -                       dvb_frontend_detach(dev->dvb->frontend);
> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>                         result = -ENODEV;
>                         goto out_free;
>                 }
>
>                 if (!try_module_get(client->dev.driver->owner)) {
>                         i2c_unregister_device(client);
> -                       dvb_frontend_detach(dev->dvb->frontend);
> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>                         result = -ENODEV;
>                         goto out_free;
>                 }
> @@ -882,26 +903,26 @@ static int dvb_init(struct cx231xx *dev)
>
>                 memset(&info, 0, sizeof(struct i2c_board_info));
>
> -               dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
> +               dev->dvb->frontend[0] = dvb_attach(lgdt3306a_attach,
>                         &hauppauge_955q_lgdt3306a_config,
>                         demod_i2c
>                         );
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach LGDT3306A frontend.\n");
>                         result = -EINVAL;
>                         goto out_free;
>                 }
>
> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
>                 /* attach tuner */
>                 memset(&si2157_config, 0, sizeof(si2157_config));
> -               si2157_config.fe = dev->dvb->frontend;
> +               si2157_config.fe = dev->dvb->frontend[0];
>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>                 si2157_config.mdev = dev->media_dev;
>  #endif
> @@ -916,14 +937,14 @@ static int dvb_init(struct cx231xx *dev)
>                         tuner_i2c,
>                         &info);
>                 if (client == NULL || client->dev.driver == NULL) {
> -                       dvb_frontend_detach(dev->dvb->frontend);
> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>                         result = -ENODEV;
>                         goto out_free;
>                 }
>
>                 if (!try_module_get(client->dev.driver->owner)) {
>                         i2c_unregister_device(client);
> -                       dvb_frontend_detach(dev->dvb->frontend);
> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>                         result = -ENODEV;
>                         goto out_free;
>                 }
> @@ -940,11 +961,11 @@ static int dvb_init(struct cx231xx *dev)
>                          "%s: looking for demod on i2c bus: %d\n",
>                          __func__, i2c_adapter_id(tuner_i2c));
>
> -               dev->dvb->frontend = dvb_attach(mb86a20s_attach,
> +               dev->dvb->frontend[0] = dvb_attach(mb86a20s_attach,
>                                                 &pv_mb86a20s_config,
>                                                 demod_i2c);
>
> -               if (dev->dvb->frontend == NULL) {
> +               if (dev->dvb->frontend[0] == NULL) {
>                         dev_err(dev->dev,
>                                 "Failed to attach mb86a20s demod\n");
>                         result = -EINVAL;
> @@ -952,9 +973,9 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>                            0x60, tuner_i2c,
>                            &pv_tda18271_config);
>                 break;
> @@ -969,7 +990,7 @@ static int dvb_init(struct cx231xx *dev)
>
>                 /* attach demodulator chip */
>                 si2168_config.ts_mode = SI2168_TS_SERIAL; /* from *.inf file */
> -               si2168_config.fe = &dev->dvb->frontend;
> +               si2168_config.fe = &dev->dvb->frontend[0];
>                 si2168_config.i2c_adapter = &adapter;
>                 si2168_config.ts_clock_inv = true;
>
> @@ -994,7 +1015,7 @@ static int dvb_init(struct cx231xx *dev)
>                 dvb->i2c_client_demod = client;
>
>                 /* attach tuner chip */
> -               si2157_config.fe = dev->dvb->frontend;
> +               si2157_config.fe = dev->dvb->frontend[0];
>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>                 si2157_config.mdev = dev->media_dev;
>  #endif
> @@ -1037,7 +1058,7 @@ static int dvb_init(struct cx231xx *dev)
>                 /* attach demodulator chip */
>                 mn88473_config.i2c_wr_max = 16;
>                 mn88473_config.xtal = 25000000;
> -               mn88473_config.fe = &dev->dvb->frontend;
> +               mn88473_config.fe = &dev->dvb->frontend[0];
>
>                 strlcpy(info.type, "mn88473", sizeof(info.type));
>                 info.addr = dev->board.demod_addr;
> @@ -1060,10 +1081,10 @@ static int dvb_init(struct cx231xx *dev)
>                 dvb->i2c_client_demod = client;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
>                 /* attach tuner chip */
> -               dvb_attach(r820t_attach, dev->dvb->frontend,
> +               dvb_attach(r820t_attach, dev->dvb->frontend[0],
>                            tuner_i2c,
>                            &astrometa_t2hybrid_r820t_config);
>                 break;
> @@ -1078,7 +1099,7 @@ static int dvb_init(struct cx231xx *dev)
>
>                 /* attach demodulator chip */
>                 si2168_config.ts_mode = SI2168_TS_SERIAL;
> -               si2168_config.fe = &dev->dvb->frontend;
> +               si2168_config.fe = &dev->dvb->frontend[0];
>                 si2168_config.i2c_adapter = &adapter;
>                 si2168_config.ts_clock_inv = true;
>
> @@ -1102,13 +1123,13 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 dvb->i2c_client_demod = client;
> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
>                 /* attach tuner */
> -               si2157_config.fe = dev->dvb->frontend;
> +               si2157_config.fe = dev->dvb->frontend[0];
>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>                 si2157_config.mdev = dev->media_dev;
>  #endif
> @@ -1153,7 +1174,7 @@ static int dvb_init(struct cx231xx *dev)
>
>                 /* attach demodulator chip */
>                 lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
> -               lgdt3306a_config.fe = &dev->dvb->frontend;
> +               lgdt3306a_config.fe = &dev->dvb->frontend[0];
>                 lgdt3306a_config.i2c_adapter = &adapter;
>
>                 strlcpy(info.type, "lgdt3306a", sizeof(info.type));
> @@ -1176,13 +1197,13 @@ static int dvb_init(struct cx231xx *dev)
>                 }
>
>                 dvb->i2c_client_demod = client;
> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>
>                 /* define general-purpose callback pointer */
> -               dvb->frontend->callback = cx231xx_tuner_callback;
> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>
>                 /* attach tuner */
> -               si2157_config.fe = dev->dvb->frontend;
> +               si2157_config.fe = dev->dvb->frontend[0];
>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>                 si2157_config.mdev = dev->media_dev;
>  #endif
> @@ -1223,7 +1244,7 @@ static int dvb_init(struct cx231xx *dev)
>                         dev->name);
>                 break;
>         }
> -       if (NULL == dvb->frontend) {
> +       if (dvb->frontend[0] == NULL) {
>                 dev_err(dev->dev,
>                        "%s/2: frontend initialization failed\n", dev->name);
>                 result = -EINVAL;
> --
> 2.7.4
>
Brad Love Feb. 12, 2018, 9:43 p.m. UTC | #2
Hi Alex,


On 2018-01-12 13:09, Alex Deucher wrote:
> On Fri, Jan 12, 2018 at 11:19 AM, Brad Love <brad@nextdimension.cc> wrote:
>> Include ability to add a second dvb attach style frontend to cx231xx
>> USB bridge. All current boards set to use frontend[0]. Changes are
>> backwards compatible with current behaviour.
>>
>> Signed-off-by: Brad Love <brad@nextdimension.cc>
>> ---
>>  drivers/media/usb/cx231xx/cx231xx-dvb.c | 173 ++++++++++++++++++--------------
>>  1 file changed, 97 insertions(+), 76 deletions(-)
>>
>> diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
>> index cb4209f..4c6d2f4 100644
>> --- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
>> +++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
>> @@ -55,7 +55,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
>>  #define CX231XX_DVB_MAX_PACKETS 64
>>
>>  struct cx231xx_dvb {
>> -       struct dvb_frontend *frontend;
>> +       struct dvb_frontend *frontend[2];
> Maybe define something like CX231XX_MAX_FRONTEND and use it here
> rather than using a hardcoded 2.
>
> Alex

Done. See v2 1/7 and v2 2/7.

Cheers,

Brad



>
>>         /* feed count management */
>>         struct mutex lock;
>> @@ -386,17 +386,17 @@ static int attach_xc5000(u8 addr, struct cx231xx *dev)
>>         cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
>>         cfg.i2c_addr = addr;
>>
>> -       if (!dev->dvb->frontend) {
>> +       if (!dev->dvb->frontend[0]) {
>>                 dev_err(dev->dev, "%s/2: dvb frontend not attached. Can't attach xc5000\n",
>>                         dev->name);
>>                 return -EINVAL;
>>         }
>>
>> -       fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
>> +       fe = dvb_attach(xc5000_attach, dev->dvb->frontend[0], &cfg);
>>         if (!fe) {
>>                 dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
>> -               dvb_frontend_detach(dev->dvb->frontend);
>> -               dev->dvb->frontend = NULL;
>> +               dvb_frontend_detach(dev->dvb->frontend[0]);
>> +               dev->dvb->frontend[0] = NULL;
>>                 return -EINVAL;
>>         }
>>
>> @@ -408,9 +408,9 @@ static int attach_xc5000(u8 addr, struct cx231xx *dev)
>>
>>  int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
>>  {
>> -       if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
>> +       if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
>>
>> -               struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
>> +               struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
>>
>>                 if (dops->set_analog_params != NULL) {
>>                         struct analog_parameters params;
>> @@ -421,7 +421,7 @@ int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
>>                         /*params.audmode = ;       */
>>
>>                         /* Set the analog parameters to set the frequency */
>> -                       dops->set_analog_params(dev->dvb->frontend, &params);
>> +                       dops->set_analog_params(dev->dvb->frontend[0], &params);
>>                 }
>>
>>         }
>> @@ -433,15 +433,15 @@ int cx231xx_reset_analog_tuner(struct cx231xx *dev)
>>  {
>>         int status = 0;
>>
>> -       if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
>> +       if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
>>
>> -               struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
>> +               struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
>>
>>                 if (dops->init != NULL && !dev->xc_fw_load_done) {
>>
>>                         dev_dbg(dev->dev,
>>                                 "Reloading firmware for XC5000\n");
>> -                       status = dops->init(dev->dvb->frontend);
>> +                       status = dops->init(dev->dvb->frontend[0]);
>>                         if (status == 0) {
>>                                 dev->xc_fw_load_done = 1;
>>                                 dev_dbg(dev->dev,
>> @@ -481,17 +481,29 @@ static int register_dvb(struct cx231xx_dvb *dvb,
>>         dvb_register_media_controller(&dvb->adapter, dev->media_dev);
>>
>>         /* Ensure all frontends negotiate bus access */
>> -       dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
>> +       dvb->frontend[0]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
>> +       if (dvb->frontend[1])
>> +               dvb->frontend[1]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
>>
>>         dvb->adapter.priv = dev;
>>
>>         /* register frontend */
>> -       result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
>> +       result = dvb_register_frontend(&dvb->adapter, dvb->frontend[0]);
>>         if (result < 0) {
>>                 dev_warn(dev->dev,
>>                        "%s: dvb_register_frontend failed (errno = %d)\n",
>>                        dev->name, result);
>> -               goto fail_frontend;
>> +               goto fail_frontend0;
>> +       }
>> +
>> +       if (dvb->frontend[1]) {
>> +               result = dvb_register_frontend(&dvb->adapter, dvb->frontend[1]);
>> +               if (result < 0) {
>> +                       dev_warn(dev->dev,
>> +                               "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
>> +                               dev->name, result);
>> +                       goto fail_frontend1;
>> +               }
>>         }
>>
>>         /* register demux stuff */
>> @@ -569,9 +581,14 @@ static int register_dvb(struct cx231xx_dvb *dvb,
>>  fail_dmxdev:
>>         dvb_dmx_release(&dvb->demux);
>>  fail_dmx:
>> -       dvb_unregister_frontend(dvb->frontend);
>> -fail_frontend:
>> -       dvb_frontend_detach(dvb->frontend);
>> +       if (dvb->frontend[1])
>> +               dvb_unregister_frontend(dvb->frontend[1]);
>> +       dvb_unregister_frontend(dvb->frontend[0]);
>> +fail_frontend1:
>> +       if (dvb->frontend[1])
>> +               dvb_frontend_detach(dvb->frontend[1]);
>> +fail_frontend0:
>> +       dvb_frontend_detach(dvb->frontend[0]);
>>         dvb_unregister_adapter(&dvb->adapter);
>>  fail_adapter:
>>         return result;
>> @@ -585,8 +602,12 @@ static void unregister_dvb(struct cx231xx_dvb *dvb)
>>         dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
>>         dvb_dmxdev_release(&dvb->dmxdev);
>>         dvb_dmx_release(&dvb->demux);
>> -       dvb_unregister_frontend(dvb->frontend);
>> -       dvb_frontend_detach(dvb->frontend);
>> +       if (dvb->frontend[1])
>> +               dvb_unregister_frontend(dvb->frontend[1]);
>> +       dvb_unregister_frontend(dvb->frontend[0]);
>> +       if (dvb->frontend[1])
>> +               dvb_frontend_detach(dvb->frontend[1]);
>> +       dvb_frontend_detach(dvb->frontend[0]);
>>         dvb_unregister_adapter(&dvb->adapter);
>>         /* remove I2C tuner */
>>         client = dvb->i2c_client_tuner;
>> @@ -635,11 +656,11 @@ static int dvb_init(struct cx231xx *dev)
>>         case CX231XX_BOARD_CNXT_CARRAERA:
>>         case CX231XX_BOARD_CNXT_RDE_250:
>>
>> -               dev->dvb->frontend = dvb_attach(s5h1432_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
>>                                         &dvico_s5h1432_config,
>>                                         demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach s5h1432 front end\n");
>>                         result = -EINVAL;
>> @@ -647,9 +668,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
>> +               if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
>>                                tuner_i2c,
>>                                &cnxt_rde250_tunerconfig)) {
>>                         result = -EINVAL;
>> @@ -660,11 +681,11 @@ static int dvb_init(struct cx231xx *dev)
>>         case CX231XX_BOARD_CNXT_SHELBY:
>>         case CX231XX_BOARD_CNXT_RDU_250:
>>
>> -               dev->dvb->frontend = dvb_attach(s5h1411_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
>>                                                &xc5000_s5h1411_config,
>>                                                demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach s5h1411 front end\n");
>>                         result = -EINVAL;
>> @@ -672,9 +693,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
>> +               if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
>>                                tuner_i2c,
>>                                &cnxt_rdu250_tunerconfig)) {
>>                         result = -EINVAL;
>> @@ -683,11 +704,11 @@ static int dvb_init(struct cx231xx *dev)
>>                 break;
>>         case CX231XX_BOARD_CNXT_RDE_253S:
>>
>> -               dev->dvb->frontend = dvb_attach(s5h1432_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
>>                                         &dvico_s5h1432_config,
>>                                         demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach s5h1432 front end\n");
>>                         result = -EINVAL;
>> @@ -695,9 +716,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
>> +               if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>>                                0x60, tuner_i2c,
>>                                &cnxt_rde253s_tunerconfig)) {
>>                         result = -EINVAL;
>> @@ -707,11 +728,11 @@ static int dvb_init(struct cx231xx *dev)
>>         case CX231XX_BOARD_CNXT_RDU_253S:
>>         case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
>>
>> -               dev->dvb->frontend = dvb_attach(s5h1411_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
>>                                                &tda18271_s5h1411_config,
>>                                                demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach s5h1411 front end\n");
>>                         result = -EINVAL;
>> @@ -719,9 +740,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
>> +               if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>>                                0x60, tuner_i2c,
>>                                &cnxt_rde253s_tunerconfig)) {
>>                         result = -EINVAL;
>> @@ -734,11 +755,11 @@ static int dvb_init(struct cx231xx *dev)
>>                          "%s: looking for tuner / demod on i2c bus: %d\n",
>>                        __func__, i2c_adapter_id(tuner_i2c));
>>
>> -               dev->dvb->frontend = dvb_attach(lgdt3305_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(lgdt3305_attach,
>>                                                 &hcw_lgdt3305_config,
>>                                                 demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach LG3305 front end\n");
>>                         result = -EINVAL;
>> @@ -746,9 +767,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
>> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>>                            0x60, tuner_i2c,
>>                            &hcw_tda18271_config);
>>                 break;
>> @@ -761,7 +782,7 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 /* attach demod */
>>                 memset(&si2165_pdata, 0, sizeof(si2165_pdata));
>> -               si2165_pdata.fe = &dev->dvb->frontend;
>> +               si2165_pdata.fe = &dev->dvb->frontend[0];
>>                 si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
>>                 si2165_pdata.ref_freq_hz = 16000000;
>>
>> @@ -771,7 +792,7 @@ static int dvb_init(struct cx231xx *dev)
>>                 info.platform_data = &si2165_pdata;
>>                 request_module(info.type);
>>                 client = i2c_new_device(demod_i2c, &info);
>> -               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
>> +               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach SI2165 front end\n");
>>                         result = -EINVAL;
>> @@ -786,12 +807,12 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 dvb->i2c_client_demod = client;
>>
>> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
>> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
>> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>>                         0x60,
>>                         tuner_i2c,
>>                         &hcw_tda18271_config);
>> @@ -808,7 +829,7 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 /* attach demod */
>>                 memset(&si2165_pdata, 0, sizeof(si2165_pdata));
>> -               si2165_pdata.fe = &dev->dvb->frontend;
>> +               si2165_pdata.fe = &dev->dvb->frontend[0];
>>                 si2165_pdata.chip_mode = SI2165_MODE_PLL_EXT;
>>                 si2165_pdata.ref_freq_hz = 24000000;
>>
>> @@ -818,7 +839,7 @@ static int dvb_init(struct cx231xx *dev)
>>                 info.platform_data = &si2165_pdata;
>>                 request_module(info.type);
>>                 client = i2c_new_device(demod_i2c, &info);
>> -               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
>> +               if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach SI2165 front end\n");
>>                         result = -EINVAL;
>> @@ -835,14 +856,14 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 memset(&info, 0, sizeof(struct i2c_board_info));
>>
>> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
>> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>>                 /* attach tuner */
>>                 memset(&si2157_config, 0, sizeof(si2157_config));
>> -               si2157_config.fe = dev->dvb->frontend;
>> +               si2157_config.fe = dev->dvb->frontend[0];
>>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>>                 si2157_config.mdev = dev->media_dev;
>>  #endif
>> @@ -857,14 +878,14 @@ static int dvb_init(struct cx231xx *dev)
>>                         tuner_i2c,
>>                         &info);
>>                 if (client == NULL || client->dev.driver == NULL) {
>> -                       dvb_frontend_detach(dev->dvb->frontend);
>> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>>                         result = -ENODEV;
>>                         goto out_free;
>>                 }
>>
>>                 if (!try_module_get(client->dev.driver->owner)) {
>>                         i2c_unregister_device(client);
>> -                       dvb_frontend_detach(dev->dvb->frontend);
>> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>>                         result = -ENODEV;
>>                         goto out_free;
>>                 }
>> @@ -882,26 +903,26 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 memset(&info, 0, sizeof(struct i2c_board_info));
>>
>> -               dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(lgdt3306a_attach,
>>                         &hauppauge_955q_lgdt3306a_config,
>>                         demod_i2c
>>                         );
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach LGDT3306A frontend.\n");
>>                         result = -EINVAL;
>>                         goto out_free;
>>                 }
>>
>> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
>> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>>                 /* attach tuner */
>>                 memset(&si2157_config, 0, sizeof(si2157_config));
>> -               si2157_config.fe = dev->dvb->frontend;
>> +               si2157_config.fe = dev->dvb->frontend[0];
>>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>>                 si2157_config.mdev = dev->media_dev;
>>  #endif
>> @@ -916,14 +937,14 @@ static int dvb_init(struct cx231xx *dev)
>>                         tuner_i2c,
>>                         &info);
>>                 if (client == NULL || client->dev.driver == NULL) {
>> -                       dvb_frontend_detach(dev->dvb->frontend);
>> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>>                         result = -ENODEV;
>>                         goto out_free;
>>                 }
>>
>>                 if (!try_module_get(client->dev.driver->owner)) {
>>                         i2c_unregister_device(client);
>> -                       dvb_frontend_detach(dev->dvb->frontend);
>> +                       dvb_frontend_detach(dev->dvb->frontend[0]);
>>                         result = -ENODEV;
>>                         goto out_free;
>>                 }
>> @@ -940,11 +961,11 @@ static int dvb_init(struct cx231xx *dev)
>>                          "%s: looking for demod on i2c bus: %d\n",
>>                          __func__, i2c_adapter_id(tuner_i2c));
>>
>> -               dev->dvb->frontend = dvb_attach(mb86a20s_attach,
>> +               dev->dvb->frontend[0] = dvb_attach(mb86a20s_attach,
>>                                                 &pv_mb86a20s_config,
>>                                                 demod_i2c);
>>
>> -               if (dev->dvb->frontend == NULL) {
>> +               if (dev->dvb->frontend[0] == NULL) {
>>                         dev_err(dev->dev,
>>                                 "Failed to attach mb86a20s demod\n");
>>                         result = -EINVAL;
>> @@ -952,9 +973,9 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>> -               dvb_attach(tda18271_attach, dev->dvb->frontend,
>> +               dvb_attach(tda18271_attach, dev->dvb->frontend[0],
>>                            0x60, tuner_i2c,
>>                            &pv_tda18271_config);
>>                 break;
>> @@ -969,7 +990,7 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 /* attach demodulator chip */
>>                 si2168_config.ts_mode = SI2168_TS_SERIAL; /* from *.inf file */
>> -               si2168_config.fe = &dev->dvb->frontend;
>> +               si2168_config.fe = &dev->dvb->frontend[0];
>>                 si2168_config.i2c_adapter = &adapter;
>>                 si2168_config.ts_clock_inv = true;
>>
>> @@ -994,7 +1015,7 @@ static int dvb_init(struct cx231xx *dev)
>>                 dvb->i2c_client_demod = client;
>>
>>                 /* attach tuner chip */
>> -               si2157_config.fe = dev->dvb->frontend;
>> +               si2157_config.fe = dev->dvb->frontend[0];
>>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>>                 si2157_config.mdev = dev->media_dev;
>>  #endif
>> @@ -1037,7 +1058,7 @@ static int dvb_init(struct cx231xx *dev)
>>                 /* attach demodulator chip */
>>                 mn88473_config.i2c_wr_max = 16;
>>                 mn88473_config.xtal = 25000000;
>> -               mn88473_config.fe = &dev->dvb->frontend;
>> +               mn88473_config.fe = &dev->dvb->frontend[0];
>>
>>                 strlcpy(info.type, "mn88473", sizeof(info.type));
>>                 info.addr = dev->board.demod_addr;
>> @@ -1060,10 +1081,10 @@ static int dvb_init(struct cx231xx *dev)
>>                 dvb->i2c_client_demod = client;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>>                 /* attach tuner chip */
>> -               dvb_attach(r820t_attach, dev->dvb->frontend,
>> +               dvb_attach(r820t_attach, dev->dvb->frontend[0],
>>                            tuner_i2c,
>>                            &astrometa_t2hybrid_r820t_config);
>>                 break;
>> @@ -1078,7 +1099,7 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 /* attach demodulator chip */
>>                 si2168_config.ts_mode = SI2168_TS_SERIAL;
>> -               si2168_config.fe = &dev->dvb->frontend;
>> +               si2168_config.fe = &dev->dvb->frontend[0];
>>                 si2168_config.i2c_adapter = &adapter;
>>                 si2168_config.ts_clock_inv = true;
>>
>> @@ -1102,13 +1123,13 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 dvb->i2c_client_demod = client;
>> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
>> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>>                 /* attach tuner */
>> -               si2157_config.fe = dev->dvb->frontend;
>> +               si2157_config.fe = dev->dvb->frontend[0];
>>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>>                 si2157_config.mdev = dev->media_dev;
>>  #endif
>> @@ -1153,7 +1174,7 @@ static int dvb_init(struct cx231xx *dev)
>>
>>                 /* attach demodulator chip */
>>                 lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
>> -               lgdt3306a_config.fe = &dev->dvb->frontend;
>> +               lgdt3306a_config.fe = &dev->dvb->frontend[0];
>>                 lgdt3306a_config.i2c_adapter = &adapter;
>>
>>                 strlcpy(info.type, "lgdt3306a", sizeof(info.type));
>> @@ -1176,13 +1197,13 @@ static int dvb_init(struct cx231xx *dev)
>>                 }
>>
>>                 dvb->i2c_client_demod = client;
>> -               dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
>> +               dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
>>
>>                 /* define general-purpose callback pointer */
>> -               dvb->frontend->callback = cx231xx_tuner_callback;
>> +               dvb->frontend[0]->callback = cx231xx_tuner_callback;
>>
>>                 /* attach tuner */
>> -               si2157_config.fe = dev->dvb->frontend;
>> +               si2157_config.fe = dev->dvb->frontend[0];
>>  #ifdef CONFIG_MEDIA_CONTROLLER_DVB
>>                 si2157_config.mdev = dev->media_dev;
>>  #endif
>> @@ -1223,7 +1244,7 @@ static int dvb_init(struct cx231xx *dev)
>>                         dev->name);
>>                 break;
>>         }
>> -       if (NULL == dvb->frontend) {
>> +       if (dvb->frontend[0] == NULL) {
>>                 dev_err(dev->dev,
>>                        "%s/2: frontend initialization failed\n", dev->name);
>>                 result = -EINVAL;
>> --
>> 2.7.4
>>
diff mbox

Patch

diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index cb4209f..4c6d2f4 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -55,7 +55,7 @@  DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 #define CX231XX_DVB_MAX_PACKETS 64
 
 struct cx231xx_dvb {
-	struct dvb_frontend *frontend;
+	struct dvb_frontend *frontend[2];
 
 	/* feed count management */
 	struct mutex lock;
@@ -386,17 +386,17 @@  static int attach_xc5000(u8 addr, struct cx231xx *dev)
 	cfg.i2c_adap = cx231xx_get_i2c_adap(dev, dev->board.tuner_i2c_master);
 	cfg.i2c_addr = addr;
 
-	if (!dev->dvb->frontend) {
+	if (!dev->dvb->frontend[0]) {
 		dev_err(dev->dev, "%s/2: dvb frontend not attached. Can't attach xc5000\n",
 			dev->name);
 		return -EINVAL;
 	}
 
-	fe = dvb_attach(xc5000_attach, dev->dvb->frontend, &cfg);
+	fe = dvb_attach(xc5000_attach, dev->dvb->frontend[0], &cfg);
 	if (!fe) {
 		dev_err(dev->dev, "%s/2: xc5000 attach failed\n", dev->name);
-		dvb_frontend_detach(dev->dvb->frontend);
-		dev->dvb->frontend = NULL;
+		dvb_frontend_detach(dev->dvb->frontend[0]);
+		dev->dvb->frontend[0] = NULL;
 		return -EINVAL;
 	}
 
@@ -408,9 +408,9 @@  static int attach_xc5000(u8 addr, struct cx231xx *dev)
 
 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
 {
-	if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
+	if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
 
-		struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
+		struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
 
 		if (dops->set_analog_params != NULL) {
 			struct analog_parameters params;
@@ -421,7 +421,7 @@  int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq)
 			/*params.audmode = ;       */
 
 			/* Set the analog parameters to set the frequency */
-			dops->set_analog_params(dev->dvb->frontend, &params);
+			dops->set_analog_params(dev->dvb->frontend[0], &params);
 		}
 
 	}
@@ -433,15 +433,15 @@  int cx231xx_reset_analog_tuner(struct cx231xx *dev)
 {
 	int status = 0;
 
-	if ((dev->dvb != NULL) && (dev->dvb->frontend != NULL)) {
+	if ((dev->dvb != NULL) && (dev->dvb->frontend[0] != NULL)) {
 
-		struct dvb_tuner_ops *dops = &dev->dvb->frontend->ops.tuner_ops;
+		struct dvb_tuner_ops *dops = &dev->dvb->frontend[0]->ops.tuner_ops;
 
 		if (dops->init != NULL && !dev->xc_fw_load_done) {
 
 			dev_dbg(dev->dev,
 				"Reloading firmware for XC5000\n");
-			status = dops->init(dev->dvb->frontend);
+			status = dops->init(dev->dvb->frontend[0]);
 			if (status == 0) {
 				dev->xc_fw_load_done = 1;
 				dev_dbg(dev->dev,
@@ -481,17 +481,29 @@  static int register_dvb(struct cx231xx_dvb *dvb,
 	dvb_register_media_controller(&dvb->adapter, dev->media_dev);
 
 	/* Ensure all frontends negotiate bus access */
-	dvb->frontend->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
+	dvb->frontend[0]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
+	if (dvb->frontend[1])
+		dvb->frontend[1]->ops.ts_bus_ctrl = cx231xx_dvb_bus_ctrl;
 
 	dvb->adapter.priv = dev;
 
 	/* register frontend */
-	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+	result = dvb_register_frontend(&dvb->adapter, dvb->frontend[0]);
 	if (result < 0) {
 		dev_warn(dev->dev,
 		       "%s: dvb_register_frontend failed (errno = %d)\n",
 		       dev->name, result);
-		goto fail_frontend;
+		goto fail_frontend0;
+	}
+
+	if (dvb->frontend[1]) {
+		result = dvb_register_frontend(&dvb->adapter, dvb->frontend[1]);
+		if (result < 0) {
+			dev_warn(dev->dev,
+				"%s: 2nd dvb_register_frontend failed (errno = %d)\n",
+				dev->name, result);
+			goto fail_frontend1;
+		}
 	}
 
 	/* register demux stuff */
@@ -569,9 +581,14 @@  static int register_dvb(struct cx231xx_dvb *dvb,
 fail_dmxdev:
 	dvb_dmx_release(&dvb->demux);
 fail_dmx:
-	dvb_unregister_frontend(dvb->frontend);
-fail_frontend:
-	dvb_frontend_detach(dvb->frontend);
+	if (dvb->frontend[1])
+		dvb_unregister_frontend(dvb->frontend[1]);
+	dvb_unregister_frontend(dvb->frontend[0]);
+fail_frontend1:
+	if (dvb->frontend[1])
+		dvb_frontend_detach(dvb->frontend[1]);
+fail_frontend0:
+	dvb_frontend_detach(dvb->frontend[0]);
 	dvb_unregister_adapter(&dvb->adapter);
 fail_adapter:
 	return result;
@@ -585,8 +602,12 @@  static void unregister_dvb(struct cx231xx_dvb *dvb)
 	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	dvb_dmxdev_release(&dvb->dmxdev);
 	dvb_dmx_release(&dvb->demux);
-	dvb_unregister_frontend(dvb->frontend);
-	dvb_frontend_detach(dvb->frontend);
+	if (dvb->frontend[1])
+		dvb_unregister_frontend(dvb->frontend[1]);
+	dvb_unregister_frontend(dvb->frontend[0]);
+	if (dvb->frontend[1])
+		dvb_frontend_detach(dvb->frontend[1]);
+	dvb_frontend_detach(dvb->frontend[0]);
 	dvb_unregister_adapter(&dvb->adapter);
 	/* remove I2C tuner */
 	client = dvb->i2c_client_tuner;
@@ -635,11 +656,11 @@  static int dvb_init(struct cx231xx *dev)
 	case CX231XX_BOARD_CNXT_CARRAERA:
 	case CX231XX_BOARD_CNXT_RDE_250:
 
-		dev->dvb->frontend = dvb_attach(s5h1432_attach,
+		dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
 					&dvico_s5h1432_config,
 					demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach s5h1432 front end\n");
 			result = -EINVAL;
@@ -647,9 +668,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
+		if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
 			       tuner_i2c,
 			       &cnxt_rde250_tunerconfig)) {
 			result = -EINVAL;
@@ -660,11 +681,11 @@  static int dvb_init(struct cx231xx *dev)
 	case CX231XX_BOARD_CNXT_SHELBY:
 	case CX231XX_BOARD_CNXT_RDU_250:
 
-		dev->dvb->frontend = dvb_attach(s5h1411_attach,
+		dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
 					       &xc5000_s5h1411_config,
 					       demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach s5h1411 front end\n");
 			result = -EINVAL;
@@ -672,9 +693,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		if (!dvb_attach(xc5000_attach, dev->dvb->frontend,
+		if (!dvb_attach(xc5000_attach, dev->dvb->frontend[0],
 			       tuner_i2c,
 			       &cnxt_rdu250_tunerconfig)) {
 			result = -EINVAL;
@@ -683,11 +704,11 @@  static int dvb_init(struct cx231xx *dev)
 		break;
 	case CX231XX_BOARD_CNXT_RDE_253S:
 
-		dev->dvb->frontend = dvb_attach(s5h1432_attach,
+		dev->dvb->frontend[0] = dvb_attach(s5h1432_attach,
 					&dvico_s5h1432_config,
 					demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach s5h1432 front end\n");
 			result = -EINVAL;
@@ -695,9 +716,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
+		if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 			       0x60, tuner_i2c,
 			       &cnxt_rde253s_tunerconfig)) {
 			result = -EINVAL;
@@ -707,11 +728,11 @@  static int dvb_init(struct cx231xx *dev)
 	case CX231XX_BOARD_CNXT_RDU_253S:
 	case CX231XX_BOARD_KWORLD_UB445_USB_HYBRID:
 
-		dev->dvb->frontend = dvb_attach(s5h1411_attach,
+		dev->dvb->frontend[0] = dvb_attach(s5h1411_attach,
 					       &tda18271_s5h1411_config,
 					       demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach s5h1411 front end\n");
 			result = -EINVAL;
@@ -719,9 +740,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		if (!dvb_attach(tda18271_attach, dev->dvb->frontend,
+		if (!dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 			       0x60, tuner_i2c,
 			       &cnxt_rde253s_tunerconfig)) {
 			result = -EINVAL;
@@ -734,11 +755,11 @@  static int dvb_init(struct cx231xx *dev)
 			 "%s: looking for tuner / demod on i2c bus: %d\n",
 		       __func__, i2c_adapter_id(tuner_i2c));
 
-		dev->dvb->frontend = dvb_attach(lgdt3305_attach,
+		dev->dvb->frontend[0] = dvb_attach(lgdt3305_attach,
 						&hcw_lgdt3305_config,
 						demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach LG3305 front end\n");
 			result = -EINVAL;
@@ -746,9 +767,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		dvb_attach(tda18271_attach, dev->dvb->frontend,
+		dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 			   0x60, tuner_i2c,
 			   &hcw_tda18271_config);
 		break;
@@ -761,7 +782,7 @@  static int dvb_init(struct cx231xx *dev)
 
 		/* attach demod */
 		memset(&si2165_pdata, 0, sizeof(si2165_pdata));
-		si2165_pdata.fe = &dev->dvb->frontend;
+		si2165_pdata.fe = &dev->dvb->frontend[0];
 		si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
 		si2165_pdata.ref_freq_hz = 16000000;
 
@@ -771,7 +792,7 @@  static int dvb_init(struct cx231xx *dev)
 		info.platform_data = &si2165_pdata;
 		request_module(info.type);
 		client = i2c_new_device(demod_i2c, &info);
-		if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
+		if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach SI2165 front end\n");
 			result = -EINVAL;
@@ -786,12 +807,12 @@  static int dvb_init(struct cx231xx *dev)
 
 		dvb->i2c_client_demod = client;
 
-		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+		dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		dvb_attach(tda18271_attach, dev->dvb->frontend,
+		dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 			0x60,
 			tuner_i2c,
 			&hcw_tda18271_config);
@@ -808,7 +829,7 @@  static int dvb_init(struct cx231xx *dev)
 
 		/* attach demod */
 		memset(&si2165_pdata, 0, sizeof(si2165_pdata));
-		si2165_pdata.fe = &dev->dvb->frontend;
+		si2165_pdata.fe = &dev->dvb->frontend[0];
 		si2165_pdata.chip_mode = SI2165_MODE_PLL_EXT;
 		si2165_pdata.ref_freq_hz = 24000000;
 
@@ -818,7 +839,7 @@  static int dvb_init(struct cx231xx *dev)
 		info.platform_data = &si2165_pdata;
 		request_module(info.type);
 		client = i2c_new_device(demod_i2c, &info);
-		if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend == NULL) {
+		if (client == NULL || client->dev.driver == NULL || dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach SI2165 front end\n");
 			result = -EINVAL;
@@ -835,14 +856,14 @@  static int dvb_init(struct cx231xx *dev)
 
 		memset(&info, 0, sizeof(struct i2c_board_info));
 
-		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+		dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
 		/* attach tuner */
 		memset(&si2157_config, 0, sizeof(si2157_config));
-		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.fe = dev->dvb->frontend[0];
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 		si2157_config.mdev = dev->media_dev;
 #endif
@@ -857,14 +878,14 @@  static int dvb_init(struct cx231xx *dev)
 			tuner_i2c,
 			&info);
 		if (client == NULL || client->dev.driver == NULL) {
-			dvb_frontend_detach(dev->dvb->frontend);
+			dvb_frontend_detach(dev->dvb->frontend[0]);
 			result = -ENODEV;
 			goto out_free;
 		}
 
 		if (!try_module_get(client->dev.driver->owner)) {
 			i2c_unregister_device(client);
-			dvb_frontend_detach(dev->dvb->frontend);
+			dvb_frontend_detach(dev->dvb->frontend[0]);
 			result = -ENODEV;
 			goto out_free;
 		}
@@ -882,26 +903,26 @@  static int dvb_init(struct cx231xx *dev)
 
 		memset(&info, 0, sizeof(struct i2c_board_info));
 
-		dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
+		dev->dvb->frontend[0] = dvb_attach(lgdt3306a_attach,
 			&hauppauge_955q_lgdt3306a_config,
 			demod_i2c
 			);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach LGDT3306A frontend.\n");
 			result = -EINVAL;
 			goto out_free;
 		}
 
-		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+		dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
 		/* attach tuner */
 		memset(&si2157_config, 0, sizeof(si2157_config));
-		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.fe = dev->dvb->frontend[0];
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 		si2157_config.mdev = dev->media_dev;
 #endif
@@ -916,14 +937,14 @@  static int dvb_init(struct cx231xx *dev)
 			tuner_i2c,
 			&info);
 		if (client == NULL || client->dev.driver == NULL) {
-			dvb_frontend_detach(dev->dvb->frontend);
+			dvb_frontend_detach(dev->dvb->frontend[0]);
 			result = -ENODEV;
 			goto out_free;
 		}
 
 		if (!try_module_get(client->dev.driver->owner)) {
 			i2c_unregister_device(client);
-			dvb_frontend_detach(dev->dvb->frontend);
+			dvb_frontend_detach(dev->dvb->frontend[0]);
 			result = -ENODEV;
 			goto out_free;
 		}
@@ -940,11 +961,11 @@  static int dvb_init(struct cx231xx *dev)
 			 "%s: looking for demod on i2c bus: %d\n",
 			 __func__, i2c_adapter_id(tuner_i2c));
 
-		dev->dvb->frontend = dvb_attach(mb86a20s_attach,
+		dev->dvb->frontend[0] = dvb_attach(mb86a20s_attach,
 						&pv_mb86a20s_config,
 						demod_i2c);
 
-		if (dev->dvb->frontend == NULL) {
+		if (dev->dvb->frontend[0] == NULL) {
 			dev_err(dev->dev,
 				"Failed to attach mb86a20s demod\n");
 			result = -EINVAL;
@@ -952,9 +973,9 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
-		dvb_attach(tda18271_attach, dev->dvb->frontend,
+		dvb_attach(tda18271_attach, dev->dvb->frontend[0],
 			   0x60, tuner_i2c,
 			   &pv_tda18271_config);
 		break;
@@ -969,7 +990,7 @@  static int dvb_init(struct cx231xx *dev)
 
 		/* attach demodulator chip */
 		si2168_config.ts_mode = SI2168_TS_SERIAL; /* from *.inf file */
-		si2168_config.fe = &dev->dvb->frontend;
+		si2168_config.fe = &dev->dvb->frontend[0];
 		si2168_config.i2c_adapter = &adapter;
 		si2168_config.ts_clock_inv = true;
 
@@ -994,7 +1015,7 @@  static int dvb_init(struct cx231xx *dev)
 		dvb->i2c_client_demod = client;
 
 		/* attach tuner chip */
-		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.fe = dev->dvb->frontend[0];
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 		si2157_config.mdev = dev->media_dev;
 #endif
@@ -1037,7 +1058,7 @@  static int dvb_init(struct cx231xx *dev)
 		/* attach demodulator chip */
 		mn88473_config.i2c_wr_max = 16;
 		mn88473_config.xtal = 25000000;
-		mn88473_config.fe = &dev->dvb->frontend;
+		mn88473_config.fe = &dev->dvb->frontend[0];
 
 		strlcpy(info.type, "mn88473", sizeof(info.type));
 		info.addr = dev->board.demod_addr;
@@ -1060,10 +1081,10 @@  static int dvb_init(struct cx231xx *dev)
 		dvb->i2c_client_demod = client;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
 		/* attach tuner chip */
-		dvb_attach(r820t_attach, dev->dvb->frontend,
+		dvb_attach(r820t_attach, dev->dvb->frontend[0],
 			   tuner_i2c,
 			   &astrometa_t2hybrid_r820t_config);
 		break;
@@ -1078,7 +1099,7 @@  static int dvb_init(struct cx231xx *dev)
 
 		/* attach demodulator chip */
 		si2168_config.ts_mode = SI2168_TS_SERIAL;
-		si2168_config.fe = &dev->dvb->frontend;
+		si2168_config.fe = &dev->dvb->frontend[0];
 		si2168_config.i2c_adapter = &adapter;
 		si2168_config.ts_clock_inv = true;
 
@@ -1102,13 +1123,13 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		dvb->i2c_client_demod = client;
-		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+		dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
 		/* attach tuner */
-		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.fe = dev->dvb->frontend[0];
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 		si2157_config.mdev = dev->media_dev;
 #endif
@@ -1153,7 +1174,7 @@  static int dvb_init(struct cx231xx *dev)
 
 		/* attach demodulator chip */
 		lgdt3306a_config = hauppauge_955q_lgdt3306a_config;
-		lgdt3306a_config.fe = &dev->dvb->frontend;
+		lgdt3306a_config.fe = &dev->dvb->frontend[0];
 		lgdt3306a_config.i2c_adapter = &adapter;
 
 		strlcpy(info.type, "lgdt3306a", sizeof(info.type));
@@ -1176,13 +1197,13 @@  static int dvb_init(struct cx231xx *dev)
 		}
 
 		dvb->i2c_client_demod = client;
-		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+		dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
 
 		/* define general-purpose callback pointer */
-		dvb->frontend->callback = cx231xx_tuner_callback;
+		dvb->frontend[0]->callback = cx231xx_tuner_callback;
 
 		/* attach tuner */
-		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.fe = dev->dvb->frontend[0];
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
 		si2157_config.mdev = dev->media_dev;
 #endif
@@ -1223,7 +1244,7 @@  static int dvb_init(struct cx231xx *dev)
 			dev->name);
 		break;
 	}
-	if (NULL == dvb->frontend) {
+	if (dvb->frontend[0] == NULL) {
 		dev_err(dev->dev,
 		       "%s/2: frontend initialization failed\n", dev->name);
 		result = -EINVAL;