/* DVB device driver for em28xx (c) 2008-2011 Mauro Carvalho Chehab (c) 2008 Devin Heitmueller - Fixes for the driver to properly work with HVR-950 - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 (c) 2008 Aidan Thornton Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: (c) 2004, 2005 Chris Pascoe (c) 2004 Gerd Knorr [SuSE Labs] 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 the Free Software Foundation; either version 2 of the License. */ #include #include #include #include "em28xx.h" #include #include #include #include "tuner-simple.h" #include "lgdt330x.h" #include "lgdt3305.h" #include "zl10353.h" #include "s5h1409.h" #include "mt352.h" #include "mt352_priv.h" /* FIXME */ #include "tda1002x.h" #include "tda18271.h" #include "s921.h" #include "drxd.h" #include "cxd2820r.h" #include "tda18271c2dd.h" #include "drxk.h" MODULE_DESCRIPTION("driver for em28xx based DVB cards"); MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_LICENSE("GPL"); static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define dprintk(level, fmt, arg...) do { \ if (debug >= level) \ printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ } while (0) #define EM28XX_DVB_NUM_BUFS 5 #define EM28XX_DVB_MAX_PACKETS 64 struct em28xx_dvb { struct dvb_frontend *fe[2]; /* feed count management */ struct mutex lock; int nfeeds; /* general boilerplate stuff */ struct dvb_adapter adapter; struct dvb_demux demux; struct dmxdev dmxdev; struct dmx_frontend fe_hw; struct dmx_frontend fe_mem; struct dvb_net net; /* Due to DRX-D - probably need changes */ int (*gate_ctrl)(struct dvb_frontend *, int); struct semaphore pll_mutex; }; static inline void print_err_status(struct em28xx *dev, int packet, int status) { char *errmsg = "Unknown"; switch (status) { case -ENOENT: errmsg = "unlinked synchronuously"; break; case -ECONNRESET: errmsg = "unlinked asynchronuously"; break; case -ENOSR: errmsg = "Buffer error (overrun)"; break; case -EPIPE: errmsg = "Stalled (device not responding)"; break; case -EOVERFLOW: errmsg = "Babble (bad cable?)"; break; case -EPROTO: errmsg = "Bit-stuff error (bad cable?)"; break; case -EILSEQ: errmsg = "CRC/Timeout (could be anything)"; break; case -ETIME: errmsg = "Device does not respond"; break; } if (packet < 0) { dprintk(1, "URB status %d [%s].\n", status, errmsg); } else { dprintk(1, "URB packet %d, status %d [%s].\n", packet, status, errmsg); } } static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb) { int i; if (!dev) return 0; if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) return 0; if (urb->status < 0) { print_err_status(dev, -1, urb->status); if (urb->status == -ENOENT) return 0; } for (i = 0; i < urb->number_of_packets; i++) { int status = urb->iso_frame_desc[i].status; if (status < 0) { print_err_status(dev, i, status); if (urb->iso_frame_desc[i].status != -EPROTO) continue; } dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer + urb->iso_frame_desc[i].offset, urb->iso_frame_desc[i].actual_length); } return 0; } static int start_streaming(struct em28xx_dvb *dvb) { int rc; struct em28xx *dev = dvb->adapter.priv; int max_dvb_packet_size; usb_set_interface(dev->udev, 0, 1); rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); if (rc < 0) return rc; max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev); return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS, max_dvb_packet_size, dvb_isoc_copy); } static int stop_streaming(struct em28xx_dvb *dvb) { struct em28xx *dev = dvb->adapter.priv; em28xx_uninit_isoc(dev); em28xx_set_mode(dev, EM28XX_SUSPEND); return 0; } static int start_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct em28xx_dvb *dvb = demux->priv; int rc, ret; if (!demux->dmx.frontend) return -EINVAL; mutex_lock(&dvb->lock); dvb->nfeeds++; rc = dvb->nfeeds; if (dvb->nfeeds == 1) { ret = start_streaming(dvb); if (ret < 0) rc = ret; } mutex_unlock(&dvb->lock); return rc; } static int stop_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct em28xx_dvb *dvb = demux->priv; int err = 0; mutex_lock(&dvb->lock); dvb->nfeeds--; if (0 == dvb->nfeeds) err = stop_streaming(dvb); mutex_unlock(&dvb->lock); return err; } /* ------------------------------------------------------------------ */ static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) { struct em28xx *dev = fe->dvb->priv; if (acquire) return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); else return em28xx_set_mode(dev, EM28XX_SUSPEND); } /* ------------------------------------------------------------------ */ static struct lgdt330x_config em2880_lgdt3303_dev = { .demod_address = 0x0e, .demod_chip = LGDT3303, }; static struct lgdt3305_config em2870_lgdt3304_dev = { .i2c_addr = 0x0e, .demod_chip = LGDT3304, .spectral_inversion = 1, .deny_i2c_rptr = 1, .mpeg_mode = LGDT3305_MPEG_PARALLEL, .tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE, .tpvalid_polarity = LGDT3305_TP_VALID_HIGH, .vsb_if_khz = 3250, .qam_if_khz = 4000, }; static struct s921_config sharp_isdbt = { .demod_address = 0x30 >> 1 }; static struct zl10353_config em28xx_zl10353_with_xc3028 = { .demod_address = (0x1e >> 1), .no_tuner = 1, .parallel_ts = 1, .if2 = 45600, }; static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { .demod_address = 0x32 >> 1, .output_mode = S5H1409_PARALLEL_OUTPUT, .gpio = S5H1409_GPIO_OFF, .inversion = S5H1409_INVERSION_OFF, .status_mode = S5H1409_DEMODLOCKING, .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK }; static struct tda18271_std_map kworld_a340_std_map = { .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 0, .if_lvl = 1, .rfagc_top = 0x37, }, .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 1, .if_lvl = 1, .rfagc_top = 0x37, }, }; static struct tda18271_config kworld_a340_config = { .std_map = &kworld_a340_std_map, }; static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = { .demod_address = (0x1e >> 1), .no_tuner = 1, .disable_i2c_gate_ctrl = 1, .parallel_ts = 1, .if2 = 45600, }; static struct drxd_config em28xx_drxd = { .index = 0, .demod_address = 0x70, .demod_revision = 0xa2, .demoda_address = 0x00, .pll_address = 0x00, .pll_type = DRXD_PLL_NONE, .clock = 12000, .insert_rs_byte = 1, .pll_set = NULL, .osc_deviation = NULL, .IF = 42800000, .disable_i2c_gate_ctrl = 1, }; #define TERRATEC_H5_DRXK_I2C_ADDR 0x29 struct drxk_config terratec_h5_drxk = { .adr = 0x29, }; static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) { struct em28xx_dvb *dvb = fe->sec_priv; int status; if (!dvb) return -EINVAL; if (enable) { down(&dvb->pll_mutex); status = dvb->gate_ctrl(fe, 1); } else { status = dvb->gate_ctrl(fe, 0); up(&dvb->pll_mutex); } return status; } static void terratec_h5_init(struct em28xx *dev) { int i; struct em28xx_reg_seq terratec_h5_init[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, {EM2874_R80_GPIO, 0xf6, 0xff, 100}, {EM2874_R80_GPIO, 0xf2, 0xff, 50}, {EM2874_R80_GPIO, 0xf6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_h5_end[] = { {EM2874_R80_GPIO, 0xe6, 0xff, 100}, {EM2874_R80_GPIO, 0xa6, 0xff, 50}, {EM2874_R80_GPIO, 0xe6, 0xff, 100}, { -1, -1, -1, -1}, }; struct { unsigned char r[4]; int len; } regs[] = { {{ 0x06, 0x02, 0x00, 0x31 }, 4}, {{ 0x01, 0x02 }, 2}, {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, {{ 0x01, 0x00 }, 2}, {{ 0x01, 0x00, 0xff, 0xaf }, 4}, {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, {{ 0x01, 0x00 }, 2}, {{ 0x01, 0x00, 0x73, 0xaf }, 4}, {{ 0x04, 0x00 }, 2}, {{ 0x00, 0x04 }, 2}, {{ 0x00, 0x04, 0x00, 0x0a }, 4}, {{ 0x04, 0x14 }, 2}, {{ 0x04, 0x14, 0x00, 0x00 }, 4}, }; em28xx_gpio_set(dev, terratec_h5_init); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); msleep(10); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); msleep(10); dev->i2c_client.addr = 0x82 >> 1; for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len); em28xx_gpio_set(dev, terratec_h5_end); }; static int mt352_terratec_xs_init(struct dvb_frontend *fe) { /* Values extracted from a USB trace of the Terratec Windows driver */ static u8 clock_config[] = { CLOCK_CTL, 0x38, 0x2c }; static u8 reset[] = { RESET, 0x80 }; static u8 adc_ctl_1_cfg[] = { ADC_CTL_1, 0x40 }; static u8 agc_cfg[] = { AGC_TARGET, 0x28, 0xa0 }; static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 }; static u8 rs_err_cfg[] = { RS_ERR_PER_1, 0x00, 0x4d }; static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 }; static u8 trl_nom_cfg[] = { TRL_NOMINAL_RATE_1, 0x64, 0x00 }; static u8 tps_given_cfg[] = { TPS_GIVEN_1, 0x40, 0x80, 0x50 }; static u8 tuner_go[] = { TUNER_GO, 0x01}; mt352_write(fe, clock_config, sizeof(clock_config)); udelay(200); mt352_write(fe, reset, sizeof(reset)); mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); mt352_write(fe, agc_cfg, sizeof(agc_cfg)); mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg)); mt352_write(fe, rs_err_cfg, sizeof(rs_err_cfg)); mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); mt352_write(fe, trl_nom_cfg, sizeof(trl_nom_cfg)); mt352_write(fe, tps_given_cfg, sizeof(tps_given_cfg)); mt352_write(fe, tuner_go, sizeof(tuner_go)); return 0; } static struct mt352_config terratec_xs_mt352_cfg = { .demod_address = (0x1e >> 1), .no_tuner = 1, .if2 = 45600, .demod_init = mt352_terratec_xs_init, }; static struct tda10023_config em28xx_tda10023_config = { .demod_address = 0x0c, .invert = 1, }; static struct cxd2820r_config em28xx_cxd2820r_config = { .i2c_address = (0xd8 >> 1), .ts_mode = CXD2820R_TS_SERIAL, .if_dvbt_6 = 3300, .if_dvbt_7 = 3500, .if_dvbt_8 = 4000, .if_dvbt2_6 = 3300, .if_dvbt2_7 = 3500, .if_dvbt2_8 = 4000, .if_dvbc = 5000, /* enable LNA for DVB-T2 and DVB-C */ .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L, .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L, }; static struct tda18271_config em28xx_cxd2820r_tda18271_config = { .output_opt = TDA18271_OUTPUT_LT_OFF, }; /* ------------------------------------------------------------------ */ static int attach_xc3028(u8 addr, struct em28xx *dev) { struct dvb_frontend *fe; struct xc2028_config cfg; memset(&cfg, 0, sizeof(cfg)); cfg.i2c_adap = &dev->i2c_adap; cfg.i2c_addr = addr; if (!dev->dvb->fe[0]) { em28xx_errdev("/2: dvb frontend not attached. " "Can't attach xc3028\n"); return -EINVAL; } fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg); if (!fe) { em28xx_errdev("/2: xc3028 attach failed\n"); dvb_frontend_detach(dev->dvb->fe[0]); dev->dvb->fe[0] = NULL; return -EINVAL; } em28xx_info("%s/2: xc3028 attached\n", dev->name); return 0; } /* ------------------------------------------------------------------ */ static int register_dvb(struct em28xx_dvb *dvb, struct module *module, struct em28xx *dev, struct device *device) { int result; mutex_init(&dvb->lock); /* register adapter */ result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, adapter_nr); if (result < 0) { printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", dev->name, result); goto fail_adapter; } /* Ensure all frontends negotiate bus access */ dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; if (dvb->fe[1]) dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; dvb->adapter.priv = dev; /* register frontend */ result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]); if (result < 0) { printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", dev->name, result); goto fail_frontend0; } /* register 2nd frontend */ if (dvb->fe[1]) { result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]); if (result < 0) { printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n", dev->name, result); goto fail_frontend1; } } /* register demux stuff */ dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING; dvb->demux.priv = dvb; dvb->demux.filternum = 256; dvb->demux.feednum = 256; dvb->demux.start_feed = start_feed; dvb->demux.stop_feed = stop_feed; result = dvb_dmx_init(&dvb->demux); if (result < 0) { printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", dev->name, result); goto fail_dmx; } dvb->dmxdev.filternum = 256; dvb->dmxdev.demux = &dvb->demux.dmx; dvb->dmxdev.capabilities = 0; result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); if (result < 0) { printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", dev->name, result); goto fail_dmxdev; } dvb->fe_hw.source = DMX_FRONTEND_0; result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); if (result < 0) { printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", dev->name, result); goto fail_fe_hw; } dvb->fe_mem.source = DMX_MEMORY_FE; result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); if (result < 0) { printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", dev->name, result); goto fail_fe_mem; } result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); if (result < 0) { printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", dev->name, result); goto fail_fe_conn; } /* register network adapter */ dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); return 0; fail_fe_conn: dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); fail_fe_mem: dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); fail_fe_hw: dvb_dmxdev_release(&dvb->dmxdev); fail_dmxdev: dvb_dmx_release(&dvb->demux); fail_dmx: if (dvb->fe[1]) dvb_unregister_frontend(dvb->fe[1]); dvb_unregister_frontend(dvb->fe[0]); fail_frontend1: if (dvb->fe[1]) dvb_frontend_detach(dvb->fe[1]); fail_frontend0: dvb_frontend_detach(dvb->fe[0]); dvb_unregister_adapter(&dvb->adapter); fail_adapter: return result; } static void unregister_dvb(struct em28xx_dvb *dvb) { 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); dvb_dmxdev_release(&dvb->dmxdev); dvb_dmx_release(&dvb->demux); if (dvb->fe[1]) dvb_unregister_frontend(dvb->fe[1]); dvb_unregister_frontend(dvb->fe[0]); if (dvb->fe[1]) dvb_frontend_detach(dvb->fe[1]); dvb_frontend_detach(dvb->fe[0]); dvb_unregister_adapter(&dvb->adapter); } static int dvb_init(struct em28xx *dev) { int result = 0; struct em28xx_dvb *dvb; if (!dev->board.has_dvb) { /* This device does not support the extension */ printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n"); return 0; } dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); if (dvb == NULL) { em28xx_info("em28xx_dvb: memory allocation failed\n"); return -ENOMEM; } dev->dvb = dvb; dvb->fe[0] = dvb->fe[1] = NULL; mutex_lock(&dev->lock); em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); /* init frontend */ switch (dev->model) { case EM2874_BOARD_LEADERSHIP_ISDBT: dvb->fe[0] = dvb_attach(s921_attach, &sharp_isdbt, &dev->i2c_adap); if (!dvb->fe[0]) { result = -EINVAL; goto out_free; } break; case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: dvb->fe[0] = dvb_attach(lgdt330x_attach, &em2880_lgdt3303_dev, &dev->i2c_adap); if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2880_BOARD_KWORLD_DVB_310U: dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_with_xc3028, &dev->i2c_adap); if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: case EM2882_BOARD_TERRATEC_HYBRID_XS: case EM2880_BOARD_EMPIRE_DUAL_TV: dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_xc3028_no_i2c_gate, &dev->i2c_adap); if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2880_BOARD_TERRATEC_HYBRID_XS: case EM2880_BOARD_TERRATEC_HYBRID_XS_FR: case EM2881_BOARD_PINNACLE_HYBRID_PRO: case EM2882_BOARD_DIKOM_DK300: case EM2882_BOARD_KWORLD_VS_DVBT: dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_xc3028_no_i2c_gate, &dev->i2c_adap); if (dvb->fe[0] == NULL) { /* This board could have either a zl10353 or a mt352. If the chip id isn't for zl10353, try mt352 */ dvb->fe[0] = dvb_attach(mt352_attach, &terratec_xs_mt352_cfg, &dev->i2c_adap); } if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2883_BOARD_KWORLD_HYBRID_330U: case EM2882_BOARD_EVGA_INDTUBE: dvb->fe[0] = dvb_attach(s5h1409_attach, &em28xx_s5h1409_with_xc3028, &dev->i2c_adap); if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2882_BOARD_KWORLD_ATSC_315U: dvb->fe[0] = dvb_attach(lgdt330x_attach, &em2880_lgdt3303_dev, &dev->i2c_adap); if (dvb->fe[0] != NULL) { if (!dvb_attach(simple_tuner_attach, dvb->fe[0], &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) { result = -EINVAL; goto out_free; } } break; case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL, &dev->i2c_adap, &dev->udev->dev); if (attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2870_BOARD_REDDO_DVB_C_USB_BOX: /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ dvb->fe[0] = dvb_attach(tda10023_attach, &em28xx_tda10023_config, &dev->i2c_adap, 0x48); if (dvb->fe[0]) { if (!dvb_attach(simple_tuner_attach, dvb->fe[0], &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) { result = -EINVAL; goto out_free; } } break; case EM2870_BOARD_KWORLD_A340: dvb->fe[0] = dvb_attach(lgdt3305_attach, &em2870_lgdt3304_dev, &dev->i2c_adap); if (dvb->fe[0] != NULL) dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap, &kworld_a340_config); break; case EM28174_BOARD_PCTV_290E: /* MFE * FE 0 = DVB-T/T2 + FE 1 = DVB-C, both sharing same tuner. */ /* FE 0 */ dvb->fe[0] = dvb_attach(cxd2820r_attach, &em28xx_cxd2820r_config, &dev->i2c_adap, NULL); if (dvb->fe[0]) { struct i2c_adapter *i2c_tuner; i2c_tuner = cxd2820r_get_tuner_i2c_adapter(dvb->fe[0]); /* FE 0 attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, i2c_tuner, &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[0]); result = -EINVAL; goto out_free; } /* FE 1. This dvb_attach() cannot fail. */ dvb->fe[1] = dvb_attach(cxd2820r_attach, NULL, NULL, dvb->fe[0]); dvb->fe[1]->id = 1; /* FE 1 attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60, i2c_tuner, &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[1]); /* leave FE 0 still active */ } } break; case EM2884_BOARD_TERRATEC_H5: terratec_h5_init(dev); /* dvb->fe[1] will be DVB-C, and dvb->fe[0] will be DVB-T */ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]); if (!dvb->fe[0] || !dvb->fe[1]) { result = -EINVAL; goto out_free; } /* FIXME: do we need a pll semaphore? */ dvb->fe[0]->sec_priv = dvb; sema_init(&dvb->pll_mutex, 1); dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl; dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; dvb->fe[1]->ops.i2c_gate_ctrl = drxk_gate_ctrl; dvb->fe[1]->id = 1; /* Attach tda18271 */ if (dvb->fe[0]->ops.i2c_gate_ctrl) dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) { result = -EINVAL; goto out_free; } if (dvb->fe[0]->ops.i2c_gate_ctrl) dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); if (dvb->fe[1]->ops.i2c_gate_ctrl) dvb->fe[1]->ops.i2c_gate_ctrl(dvb->fe[1], 1); break; default: em28xx_errdev("/2: The frontend of your DVB/ATSC card" " isn't supported yet\n"); break; } if (NULL == dvb->fe[0]) { em28xx_errdev("/2: frontend initialization failed\n"); result = -EINVAL; goto out_free; } /* define general-purpose callback pointer */ dvb->fe[0]->callback = em28xx_tuner_callback; /* register everything */ result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); if (result < 0) goto out_free; em28xx_info("Successfully loaded em28xx-dvb\n"); ret: em28xx_set_mode(dev, EM28XX_SUSPEND); mutex_unlock(&dev->lock); return result; out_free: kfree(dvb); dev->dvb = NULL; goto ret; } static int dvb_fini(struct em28xx *dev) { if (!dev->board.has_dvb) { /* This device does not support the extension */ return 0; } if (dev->dvb) { unregister_dvb(dev->dvb); kfree(dev->dvb); dev->dvb = NULL; } return 0; } static struct em28xx_ops dvb_ops = { .id = EM28XX_DVB, .name = "Em28xx dvb Extension", .init = dvb_init, .fini = dvb_fini, }; static int __init em28xx_dvb_register(void) { return em28xx_register_extension(&dvb_ops); } static void __exit em28xx_dvb_unregister(void) { em28xx_unregister_extension(&dvb_ops); } module_init(em28xx_dvb_register); module_exit(em28xx_dvb_unregister);