diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-dvb.c | 193 |
1 files changed, 179 insertions, 14 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index a0a669e81362..f599b18ef7ca 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -41,6 +41,7 @@ #include "mt352.h" #include "mt352_priv.h" /* FIXME */ #include "tda1002x.h" +#include "drx39xyj/drx39xxj.h" #include "tda18271.h" #include "s921.h" #include "drxd.h" @@ -48,6 +49,7 @@ #include "tda18271c2dd.h" #include "drxk.h" #include "tda10071.h" +#include "tda18212.h" #include "a8293.h" #include "qt1010.h" #include "mb86a20s.h" @@ -161,6 +163,8 @@ static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) if (urb->status != -EPROTO) continue; } + if (!urb->actual_length) + continue; dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, urb->actual_length); } else { @@ -170,6 +174,8 @@ static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) if (urb->iso_frame_desc[i].status != -EPROTO) continue; } + if (!urb->iso_frame_desc[i].actual_length) + continue; dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer + urb->iso_frame_desc[i].offset, @@ -208,10 +214,10 @@ static int em28xx_start_streaming(struct em28xx_dvb *dvb) if (rc < 0) return rc; - dprintk(1, "Using %d buffers each with %d x %d bytes\n", + dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n", EM28XX_DVB_NUM_BUFS, packet_multiplier, - dvb_max_packet_size); + dvb_max_packet_size, dvb_alt); return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, dev->dvb_xfer_bulk, @@ -315,6 +321,18 @@ static struct lgdt3305_config em2874_lgdt3305_dev = { .qam_if_khz = 4000, }; +static struct lgdt3305_config em2874_lgdt3305_nogate_dev = { + .i2c_addr = 0x0e, + .demod_chip = LGDT3305, + .spectral_inversion = 1, + .deny_i2c_rptr = 1, + .mpeg_mode = LGDT3305_MPEG_SERIAL, + .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, + .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, + .vsb_if_khz = 3600, + .qam_if_khz = 3600, +}; + static struct s921_config sharp_isdbt = { .demod_address = 0x30 >> 1 }; @@ -351,6 +369,12 @@ static struct tda18271_config kworld_ub435q_v2_config = { .gate = TDA18271_GATE_DIGITAL, }; +static struct tda18212_config kworld_ub435q_v3_config = { + .i2c_address = 0x60, + .if_atsc_vsb = 3600, + .if_atsc_qam = 3600, +}; + static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { .demod_address = (0x1e >> 1), .no_tuner = 1, @@ -693,7 +717,8 @@ static void pctv_520e_init(struct em28xx *dev) static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe) { struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct em28xx *dev = fe->dvb->priv; + struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; + struct em28xx *dev = i2c_bus->dev; #ifdef CONFIG_GPIOLIB struct em28xx_dvb *dvb = dev->dvb; int ret; @@ -817,6 +842,20 @@ static const struct m88ds3103_config pctv_461e_m88ds3103_config = { .agc = 0x99, }; + +static struct tda18271_std_map drx_j_std_map = { + .atsc_6 = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1, + .rfagc_top = 0x37, }, + .qam_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1, + .rfagc_top = 0x37, }, +}; + +static struct tda18271_config pinnacle_80e_dvb_config = { + .std_map = &drx_j_std_map, + .gate = TDA18271_GATE_DIGITAL, + .role = TDA18271_MASTER, +}; + /* ------------------------------------------------------------------ */ static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) @@ -1005,7 +1044,6 @@ static int em28xx_dvb_init(struct em28xx *dev) em28xx_info("Binding DVB extension\n"); dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); - if (dvb == NULL) { em28xx_info("em28xx_dvb: memory allocation failed\n"); return -ENOMEM; @@ -1370,10 +1408,40 @@ static int em28xx_dvb_init(struct em28xx *dev) goto out_free; } break; + case EM2874_BOARD_KWORLD_UB435Q_V3: + dvb->fe[0] = dvb_attach(lgdt3305_attach, + &em2874_lgdt3305_nogate_dev, + &dev->i2c_adap[dev->def_i2c_bus]); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18212_attach, dvb->fe[0], + &dev->i2c_adap[dev->def_i2c_bus], + &kworld_ub435q_v3_config)) { + result = -EINVAL; + goto out_free; + } + break; + case EM2874_BOARD_PCTV_HD_MINI_80E: + dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]); + if (dvb->fe[0] != NULL) { + dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &pinnacle_80e_dvb_config); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + } + break; case EM28178_BOARD_PCTV_461E: { /* demod I2C adapter */ struct i2c_adapter *i2c_adapter; + struct i2c_client *client; struct i2c_board_info info; struct m88ts2022_config m88ts2022_config = { .clock = 27000000, @@ -1396,7 +1464,19 @@ static int em28xx_dvb_init(struct em28xx *dev) info.addr = 0x60; info.platform_data = &m88ts2022_config; request_module("m88ts2022"); - dvb->i2c_client_tuner = i2c_new_device(i2c_adapter, &info); + client = i2c_new_device(i2c_adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + dvb_frontend_detach(dvb->fe[0]); + result = -ENODEV; + goto out_free; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + dvb_frontend_detach(dvb->fe[0]); + result = -ENODEV; + goto out_free; + } /* delegate signal strength measurement to tuner */ dvb->fe[0]->ops.read_signal_strength = @@ -1406,10 +1486,14 @@ static int em28xx_dvb_init(struct em28xx *dev) if (!dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], &em28xx_a8293_config)) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); dvb_frontend_detach(dvb->fe[0]); result = -ENODEV; goto out_free; } + + dvb->i2c_client_tuner = client; } break; default: @@ -1437,6 +1521,9 @@ static int em28xx_dvb_init(struct em28xx *dev) dvb->adapter.mfe_shared = mfe_shared; em28xx_info("DVB extension successfully initialized\n"); + + kref_get(&dev->ref); + ret: em28xx_set_mode(dev, EM28XX_SUSPEND); mutex_unlock(&dev->lock); @@ -1457,6 +1544,9 @@ static inline void prevent_sleep(struct dvb_frontend_ops *ops) static int em28xx_dvb_fini(struct em28xx *dev) { + struct em28xx_dvb *dvb; + struct i2c_client *client; + if (dev->is_audio_only) { /* Shouldn't initialize IR for this interface */ return 0; @@ -1467,23 +1557,96 @@ static int em28xx_dvb_fini(struct em28xx *dev) return 0; } + if (!dev->dvb) + return 0; + em28xx_info("Closing DVB extension"); + dvb = dev->dvb; + client = dvb->i2c_client_tuner; + + em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); + + if (dev->disconnected) { + /* We cannot tell the device to sleep + * once it has been unplugged. */ + if (dvb->fe[0]) + prevent_sleep(&dvb->fe[0]->ops); + if (dvb->fe[1]) + prevent_sleep(&dvb->fe[1]->ops); + } + + /* remove I2C tuner */ + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + + em28xx_unregister_dvb(dvb); + kfree(dvb); + dev->dvb = NULL; + kref_put(&dev->ref, em28xx_free_device); + + return 0; +} + +static int em28xx_dvb_suspend(struct em28xx *dev) +{ + int ret = 0; + + if (dev->is_audio_only) + return 0; + + if (!dev->board.has_dvb) + return 0; + + em28xx_info("Suspending DVB extension"); if (dev->dvb) { struct em28xx_dvb *dvb = dev->dvb; - em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); + if (dvb->fe[0]) { + ret = dvb_frontend_suspend(dvb->fe[0]); + em28xx_info("fe0 suspend %d", ret); + } + if (dvb->fe[1]) { + dvb_frontend_suspend(dvb->fe[1]); + em28xx_info("fe1 suspend %d", ret); + } + } + + return 0; +} + +static int em28xx_dvb_resume(struct em28xx *dev) +{ + int ret = 0; - if (dev->disconnected) { - /* We cannot tell the device to sleep - * once it has been unplugged. */ - if (dvb->fe[0]) - prevent_sleep(&dvb->fe[0]->ops); - if (dvb->fe[1]) - prevent_sleep(&dvb->fe[1]->ops); + if (dev->is_audio_only) + return 0; + + if (!dev->board.has_dvb) + return 0; + + em28xx_info("Resuming DVB extension"); + if (dev->dvb) { + struct em28xx_dvb *dvb = dev->dvb; + struct i2c_client *client = dvb->i2c_client_tuner; + + if (dvb->fe[0]) { + ret = dvb_frontend_resume(dvb->fe[0]); + em28xx_info("fe0 resume %d", ret); + } + + if (dvb->fe[1]) { + ret = dvb_frontend_resume(dvb->fe[1]); + em28xx_info("fe1 resume %d", ret); + } + /* remove I2C tuner */ + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); } - i2c_release_client(dvb->i2c_client_tuner); em28xx_unregister_dvb(dvb); kfree(dvb); dev->dvb = NULL; @@ -1497,6 +1660,8 @@ static struct em28xx_ops dvb_ops = { .name = "Em28xx dvb Extension", .init = em28xx_dvb_init, .fini = em28xx_dvb_fini, + .suspend = em28xx_dvb_suspend, + .resume = em28xx_dvb_resume, }; static int __init em28xx_dvb_register(void) |