/* 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 (c) 2012 Frank Schäfer 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 #include #include "tuner-simple.h" #include #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" #include "tda10071.h" #include "a8293.h" #include "qt1010.h" #include "mb86a20s.h" #include "m88ds3103.h" #include "m88ts2022.h" MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface"); MODULE_VERSION(EM28XX_VERSION); 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) 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-K - probably need changes */ int (*gate_ctrl)(struct dvb_frontend *, int); struct semaphore pll_mutex; bool dont_attach_fe1; int lna_gpio; struct i2c_client *i2c_client_tuner; }; 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 em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) { int xfer_bulk, num_packets, i; if (!dev) return 0; if (dev->disconnected) return 0; if (urb->status < 0) print_err_status(dev, -1, urb->status); xfer_bulk = usb_pipebulk(urb->pipe); if (xfer_bulk) /* bulk */ num_packets = 1; else /* isoc */ num_packets = urb->number_of_packets; for (i = 0; i < num_packets; i++) { if (xfer_bulk) { if (urb->status < 0) { print_err_status(dev, i, urb->status); if (urb->status != -EPROTO) continue; } dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer, urb->actual_length); } else { if (urb->iso_frame_desc[i].status < 0) { print_err_status(dev, i, urb->iso_frame_desc[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 em28xx_start_streaming(struct em28xx_dvb *dvb) { int rc; struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; struct em28xx *dev = i2c_bus->dev; int dvb_max_packet_size, packet_multiplier, dvb_alt; if (dev->dvb_xfer_bulk) { if (!dev->dvb_ep_bulk) return -ENODEV; dvb_max_packet_size = 512; /* USB 2.0 spec */ packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER; dvb_alt = 0; } else { /* isoc */ if (!dev->dvb_ep_isoc) return -ENODEV; dvb_max_packet_size = dev->dvb_max_pkt_size_isoc; if (dvb_max_packet_size < 0) return dvb_max_packet_size; packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS; dvb_alt = dev->dvb_alt_isoc; } usb_set_interface(dev->udev, 0, dvb_alt); rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); if (rc < 0) return rc; dprintk(1, "Using %d buffers each with %d x %d bytes\n", EM28XX_DVB_NUM_BUFS, packet_multiplier, dvb_max_packet_size); return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE, dev->dvb_xfer_bulk, EM28XX_DVB_NUM_BUFS, dvb_max_packet_size, packet_multiplier, em28xx_dvb_urb_data_copy); } static int em28xx_stop_streaming(struct em28xx_dvb *dvb) { struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv; struct em28xx *dev = i2c_bus->dev; em28xx_stop_urbs(dev); return 0; } static int em28xx_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 = em28xx_start_streaming(dvb); if (ret < 0) rc = ret; } mutex_unlock(&dvb->lock); return rc; } static int em28xx_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 = em28xx_stop_streaming(dvb); mutex_unlock(&dvb->lock); return err; } /* ------------------------------------------------------------------ */ static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) { struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv; struct em28xx *dev = i2c_bus->dev; 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 lgdt3305_config em2874_lgdt3305_dev = { .i2c_addr = 0x0e, .demod_chip = LGDT3305, .spectral_inversion = 1, .deny_i2c_rptr = 0, .mpeg_mode = LGDT3305_MPEG_SERIAL, .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 tda18271_config kworld_ub435q_v2_config = { .std_map = &kworld_a340_std_map, .gate = TDA18271_GATE_DIGITAL, }; 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 = { .demod_address = 0x70, .demod_revision = 0xa2, .pll_type = DRXD_PLL_NONE, .clock = 12000, .insert_rs_byte = 1, .IF = 42800000, .disable_i2c_gate_ctrl = 1, }; static struct drxk_config terratec_h5_drxk = { .adr = 0x29, .single_master = 1, .no_i2c_bridge = 1, .microcode_name = "dvb-usb-terratec-h5-drxk.fw", .qam_demod_parameter_count = 2, .load_firmware_sync = true, }; static struct drxk_config hauppauge_930c_drxk = { .adr = 0x29, .single_master = 1, .no_i2c_bridge = 1, .microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw", .chunk_size = 56, .qam_demod_parameter_count = 2, .load_firmware_sync = true, }; static struct drxk_config terratec_htc_stick_drxk = { .adr = 0x29, .single_master = 1, .no_i2c_bridge = 1, .microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw", .chunk_size = 54, .qam_demod_parameter_count = 2, /* Required for the antenna_gpio to disable LNA. */ .antenna_dvbt = true, /* The windows driver uses the same. This will disable LNA. */ .antenna_gpio = 0x6, .load_firmware_sync = true, }; static struct drxk_config maxmedia_ub425_tc_drxk = { .adr = 0x29, .single_master = 1, .no_i2c_bridge = 1, .microcode_name = "dvb-demod-drxk-01.fw", .chunk_size = 62, .load_firmware_sync = true, .qam_demod_parameter_count = 2, }; static struct drxk_config pctv_520e_drxk = { .adr = 0x29, .single_master = 1, .microcode_name = "dvb-demod-drxk-pctv.fw", .qam_demod_parameter_count = 2, .chunk_size = 58, .antenna_dvbt = true, /* disable LNA */ .antenna_gpio = (1 << 2), /* disable LNA */ .load_firmware_sync = true, }; 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 hauppauge_hvr930c_init(struct em28xx *dev) { int i; struct em28xx_reg_seq hauppauge_hvr930c_init[] = { {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65}, {EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32}, {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq hauppauge_hvr930c_end[] = { {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, {EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65}, {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76}, {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01}, {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x40}, {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x65}, {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, {EM2874_R80_GPIO_P0_CTRL, 0xcf, 0xff, 0x0b}, {EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x65}, { -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, hauppauge_hvr930c_init); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); msleep(10); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); msleep(10); dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); em28xx_gpio_set(dev, hauppauge_hvr930c_end); msleep(100); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); msleep(30); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45); msleep(10); } static void terratec_h5_init(struct em28xx *dev) { int i; struct em28xx_reg_seq terratec_h5_init[] = { {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_h5_end[] = { {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 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[dev->def_i2c_bus].addr = 0x82 >> 1; for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); em28xx_gpio_set(dev, terratec_h5_end); }; static void terratec_htc_stick_init(struct em28xx *dev) { int i; /* * GPIO configuration: * 0xff: unknown (does not affect DVB-T). * 0xf6: DRX-K (demodulator). * 0xe6: unknown (does not affect DVB-T). * 0xb6: unknown (does not affect DVB-T). */ struct em28xx_reg_seq terratec_htc_stick_init[] = { {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_htc_stick_end[] = { {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, { -1, -1, -1, -1}, }; /* * Init the analog decoder (not yet supported), but * it's probably still a good idea. */ 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}, }; em28xx_gpio_set(dev, terratec_htc_stick_init); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); msleep(10); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); msleep(10); dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); em28xx_gpio_set(dev, terratec_htc_stick_end); }; static void terratec_htc_usb_xs_init(struct em28xx *dev) { int i; struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100}, { -1, -1, -1, -1}, }; struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, { -1, -1, -1, -1}, }; /* * Init the analog decoder (not yet supported), but * it's probably still a good idea. */ 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_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); em28xx_gpio_set(dev, terratec_htc_usb_xs_init); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); msleep(10); em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); msleep(10); dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); em28xx_gpio_set(dev, terratec_htc_usb_xs_end); }; static void pctv_520e_init(struct em28xx *dev) { /* * Init AVF4910B analog decoder. Looks like I2C traffic to * digital demodulator and tuner are routed via AVF4910B. */ int i; 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}, }; dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */ for (i = 0; i < ARRAY_SIZE(regs); i++) i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len); }; 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; #ifdef CONFIG_GPIOLIB struct em28xx_dvb *dvb = dev->dvb; int ret; unsigned long flags; if (c->lna == 1) flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */ else flags = GPIOF_OUT_INIT_LOW; /* disable LNA */ ret = gpio_request_one(dvb->lna_gpio, flags, NULL); if (ret) em28xx_errdev("gpio request failed %d\n", ret); else gpio_free(dvb->lna_gpio); return ret; #else dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n", KBUILD_MODNAME, c->lna); return 0; #endif } static int em28xx_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 = em28xx_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, }; static struct tda18271_config em28xx_cxd2820r_tda18271_config = { .output_opt = TDA18271_OUTPUT_LT_OFF, .gate = TDA18271_GATE_DIGITAL, }; static const struct tda10071_config em28xx_tda10071_config = { .demod_i2c_addr = 0x55, /* (0xaa >> 1) */ .tuner_i2c_addr = 0x14, .i2c_wr_max = 64, .ts_mode = TDA10071_TS_SERIAL, .spec_inv = 0, .xtal = 40444000, /* 40.444 MHz */ .pll_multiplier = 20, }; static const struct a8293_config em28xx_a8293_config = { .i2c_addr = 0x08, /* (0x10 >> 1) */ }; static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = { .demod_address = (0x1e >> 1), .disable_i2c_gate_ctrl = 1, .no_tuner = 1, .parallel_ts = 1, }; static struct qt1010_config em28xx_qt1010_config = { .i2c_address = 0x62 }; static const struct mb86a20s_config c3tech_duo_mb86a20s_config = { .demod_address = 0x10, .is_serial = true, }; static struct tda18271_std_map mb86a20s_tda18271_config = { .dvbt_6 = { .if_freq = 4000, .agc_mode = 3, .std = 4, .if_lvl = 1, .rfagc_top = 0x37, }, }; static struct tda18271_config c3tech_duo_tda18271_config = { .std_map = &mb86a20s_tda18271_config, .gate = TDA18271_GATE_DIGITAL, .small_i2c = TDA18271_03_BYTE_CHUNK_INIT, }; static const struct m88ds3103_config pctv_461e_m88ds3103_config = { .i2c_addr = 0x68, .clock = 27000000, .i2c_wr_max = 33, .clock_out = 0, .ts_mode = M88DS3103_TS_PARALLEL_16, .agc = 0x99, }; /* ------------------------------------------------------------------ */ static int em28xx_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[dev->def_i2c_bus]; 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 em28xx_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->i2c_bus[dev->def_i2c_bus]; /* 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 = em28xx_start_feed; dvb->demux.stop_feed = em28xx_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 em28xx_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->dont_attach_fe1) dvb_frontend_detach(dvb->fe[1]); dvb_frontend_detach(dvb->fe[0]); dvb_unregister_adapter(&dvb->adapter); } static int em28xx_dvb_init(struct em28xx *dev) { int result = 0, mfe_shared = 0; struct em28xx_dvb *dvb; if (dev->is_audio_only) { /* Shouldn't initialize IR for this interface */ return 0; } if (!dev->board.has_dvb) { /* This device does not support the extension */ return 0; } 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; } 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[dev->def_i2c_bus]); 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[dev->def_i2c_bus]); if (em28xx_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[dev->def_i2c_bus]); if (em28xx_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[dev->def_i2c_bus]); if (em28xx_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[dev->def_i2c_bus]); 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[dev->def_i2c_bus]); } if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } break; case EM2870_BOARD_KWORLD_355U: dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_no_i2c_gate_dev, &dev->i2c_adap[dev->def_i2c_bus]); if (dvb->fe[0] != NULL) dvb_attach(qt1010_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config); 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[dev->def_i2c_bus]); if (em28xx_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[dev->def_i2c_bus]); if (dvb->fe[0] != NULL) { if (!dvb_attach(simple_tuner_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 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->def_i2c_bus], &dev->udev->dev); if (em28xx_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[dev->def_i2c_bus], 0x48); if (dvb->fe[0]) { if (!dvb_attach(simple_tuner_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 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[dev->def_i2c_bus]); if (dvb->fe[0] != NULL) dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config); break; case EM28174_BOARD_PCTV_290E: /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L; dvb->fe[0] = dvb_attach(cxd2820r_attach, &em28xx_cxd2820r_config, &dev->i2c_adap[dev->def_i2c_bus], &dvb->lna_gpio); if (dvb->fe[0]) { /* FE 0 attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[0]); result = -EINVAL; goto out_free; } #ifdef CONFIG_GPIOLIB /* enable LNA for DVB-T, DVB-T2 and DVB-C */ result = gpio_request_one(dvb->lna_gpio, GPIOF_OUT_INIT_LOW, NULL); if (result) em28xx_errdev("gpio request failed %d\n", result); else gpio_free(dvb->lna_gpio); result = 0; /* continue even set LNA fails */ #endif dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna; } break; case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C: { struct xc5000_config cfg; hauppauge_hvr930c_init(dev); dvb->fe[0] = dvb_attach(drxk_attach, &hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (!dvb->fe[0]) { 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; /* Attach xc5000 */ memset(&cfg, 0, sizeof(cfg)); cfg.i2c_address = 0x61; cfg.if_khz = 4000; if (dvb->fe[0]->ops.i2c_gate_ctrl) dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1); if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], &cfg)) { result = -EINVAL; goto out_free; } if (dvb->fe[0]->ops.i2c_gate_ctrl) dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0); break; } case EM2884_BOARD_TERRATEC_H5: terratec_h5_init(dev); dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (!dvb->fe[0]) { 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; /* Attach tda18271 to DVB-C frontend */ 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[dev->def_i2c_bus], 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); break; case EM2884_BOARD_C3TECH_DIGITAL_DUO: dvb->fe[0] = dvb_attach(mb86a20s_attach, &c3tech_duo_mb86a20s_config, &dev->i2c_adap[dev->def_i2c_bus]); if (dvb->fe[0] != NULL) dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &c3tech_duo_tda18271_config); break; case EM28174_BOARD_PCTV_460E: /* attach demod */ dvb->fe[0] = dvb_attach(tda10071_attach, &em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]); /* attach SEC */ if (dvb->fe[0]) dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], &em28xx_a8293_config); break; case EM2874_BOARD_DELOCK_61959: case EM2874_BOARD_MAXMEDIA_UB425_TC: /* attach demodulator */ dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (dvb->fe[0]) { /* disable I2C-gate */ dvb->fe[0]->ops.i2c_gate_ctrl = NULL; /* attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[0]); result = -EINVAL; goto out_free; } } break; case EM2884_BOARD_PCTV_510E: case EM2884_BOARD_PCTV_520E: pctv_520e_init(dev); /* attach demodulator */ dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (dvb->fe[0]) { /* attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[0]); result = -EINVAL; goto out_free; } } break; case EM2884_BOARD_CINERGY_HTC_STICK: terratec_htc_stick_init(dev); /* attach demodulator */ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (!dvb->fe[0]) { result = -EINVAL; goto out_free; } /* Attach the demodulator. */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &em28xx_cxd2820r_tda18271_config)) { result = -EINVAL; goto out_free; } break; case EM2884_BOARD_TERRATEC_HTC_USB_XS: terratec_htc_usb_xs_init(dev); /* attach demodulator */ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, &dev->i2c_adap[dev->def_i2c_bus]); if (!dvb->fe[0]) { result = -EINVAL; goto out_free; } /* Attach the demodulator. */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &em28xx_cxd2820r_tda18271_config)) { result = -EINVAL; goto out_free; } break; case EM2874_BOARD_KWORLD_UB435Q_V2: dvb->fe[0] = dvb_attach(lgdt3305_attach, &em2874_lgdt3305_dev, &dev->i2c_adap[dev->def_i2c_bus]); if (!dvb->fe[0]) { result = -EINVAL; goto out_free; } /* Attach the demodulator. */ if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, &dev->i2c_adap[dev->def_i2c_bus], &kworld_ub435q_v2_config)) { result = -EINVAL; goto out_free; } break; case EM28178_BOARD_PCTV_461E: { /* demod I2C adapter */ struct i2c_adapter *i2c_adapter; struct i2c_board_info info; struct m88ts2022_config m88ts2022_config = { .clock = 27000000, }; memset(&info, 0, sizeof(struct i2c_board_info)); /* attach demod */ dvb->fe[0] = dvb_attach(m88ds3103_attach, &pctv_461e_m88ds3103_config, &dev->i2c_adap[dev->def_i2c_bus], &i2c_adapter); if (dvb->fe[0] == NULL) { result = -ENODEV; goto out_free; } /* attach tuner */ m88ts2022_config.fe = dvb->fe[0]; strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE); info.addr = 0x60; info.platform_data = &m88ts2022_config; request_module("m88ts2022"); dvb->i2c_client_tuner = i2c_new_device(i2c_adapter, &info); /* delegate signal strength measurement to tuner */ dvb->fe[0]->ops.read_signal_strength = dvb->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SEC */ if (!dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], &em28xx_a8293_config)) { dvb_frontend_detach(dvb->fe[0]); result = -ENODEV; goto out_free; } } 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; if (dvb->fe[1]) dvb->fe[1]->callback = em28xx_tuner_callback; /* register everything */ result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); if (result < 0) goto out_free; /* MFE lock */ dvb->adapter.mfe_shared = mfe_shared; em28xx_info("DVB extension successfully initialized\n"); ret: em28xx_set_mode(dev, EM28XX_SUSPEND); mutex_unlock(&dev->lock); return result; out_free: kfree(dvb); dev->dvb = NULL; goto ret; } static inline void prevent_sleep(struct dvb_frontend_ops *ops) { ops->set_voltage = NULL; ops->sleep = NULL; ops->tuner_ops.sleep = NULL; } static int em28xx_dvb_fini(struct em28xx *dev) { if (dev->is_audio_only) { /* Shouldn't initialize IR for this interface */ return 0; } if (!dev->board.has_dvb) { /* This device does not support the extension */ return 0; } if (dev->dvb) { struct em28xx_dvb *dvb = dev->dvb; 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); } i2c_release_client(dvb->i2c_client_tuner); em28xx_unregister_dvb(dvb); kfree(dvb); dev->dvb = NULL; } return 0; } static struct em28xx_ops dvb_ops = { .id = EM28XX_DVB, .name = "Em28xx dvb Extension", .init = em28xx_dvb_init, .fini = em28xx_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);