diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-dvb.c | 1245 |
1 files changed, 1245 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c new file mode 100644 index 000000000000..913e5227897a --- /dev/null +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -0,0 +1,1245 @@ +/* + DVB device driver for em28xx + + (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org> + + (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> + - 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 <makosoft@googlemail.com> + + Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: + (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> + (c) 2004 Gerd Knorr <kraxel@bytesex.org> [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 <linux/kernel.h> +#include <linux/slab.h> +#include <linux/usb.h> + +#include "em28xx.h" +#include <media/v4l2-common.h> +#include <media/videobuf-vmalloc.h> +#include <media/tuner.h> +#include "tuner-simple.h" +#include <linux/gpio.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" +#include "tda10071.h" +#include "a8293.h" +#include "qt1010.h" + +MODULE_DESCRIPTION("driver for em28xx based DVB cards"); +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); +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) + +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; +}; + + +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_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 em28xx_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, dev->dvb_alt); + rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); + if (rc < 0) + return rc; + + max_dvb_packet_size = dev->dvb_max_pkt_size; + if (max_dvb_packet_size < 0) + return max_dvb_packet_size; + dprintk(1, "Using %d buffers each with %d x %d bytes\n", + EM28XX_DVB_NUM_BUFS, + EM28XX_DVB_MAX_PACKETS, + max_dvb_packet_size); + + return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE, + EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS, + max_dvb_packet_size, em28xx_dvb_isoc_copy); +} + +static int em28xx_stop_streaming(struct em28xx_dvb *dvb) +{ + struct em28xx *dev = dvb->adapter.priv; + + em28xx_stop_urbs(dev); + + em28xx_set_mode(dev, EM28XX_SUSPEND); + + 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 *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 = { + .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, +}; + +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, + .load_firmware_sync = true, +}; + +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, 0xff, 0xff, 0x65}, + {EM2874_R80_GPIO, 0xfb, 0xff, 0x32}, + {EM2874_R80_GPIO, 0xff, 0xff, 0xb8}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq hauppauge_hvr930c_end[] = { + {EM2874_R80_GPIO, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO, 0xaf, 0xff, 0x65}, + {EM2874_R80_GPIO, 0xef, 0xff, 0x76}, + {EM2874_R80_GPIO, 0xef, 0xff, 0x01}, + {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO, 0xef, 0xff, 0x40}, + + {EM2874_R80_GPIO, 0xcf, 0xff, 0x65}, + {EM2874_R80_GPIO, 0xef, 0xff, 0x65}, + {EM2874_R80_GPIO, 0xcf, 0xff, 0x0b}, + {EM2874_R80_GPIO, 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.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, 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[] = { + {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 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[] = { + {EM28XX_R08_GPIO, 0xff, 0xff, 10}, + {EM2874_R80_GPIO, 0xf6, 0xff, 100}, + {EM2874_R80_GPIO, 0xe6, 0xff, 50}, + {EM2874_R80_GPIO, 0xf6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq terratec_htc_stick_end[] = { + {EM2874_R80_GPIO, 0xb6, 0xff, 100}, + {EM2874_R80_GPIO, 0xf6, 0xff, 50}, + { -1, -1, -1, -1}, + }; + + /* Init the analog decoder? */ + 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.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_htc_stick_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.addr = 0x82 >> 1; /* 0x41 */ + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len); +}; + +static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe, int val) +{ + struct em28xx *dev = fe->dvb->priv; +#ifdef CONFIG_GPIOLIB + struct em28xx_dvb *dvb = dev->dvb; + int ret; + unsigned long flags; + + if (val) + flags = GPIOF_OUT_INIT_LOW; + else + flags = GPIOF_OUT_INIT_HIGH; + + 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\n", + KBUILD_MODNAME); + 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 = { + .i2c_address = 0x55, /* (0xaa >> 1) */ + .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 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; + 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; + + /* 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->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 (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); + 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); + 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); + 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 (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); + if (dvb->fe[0] != NULL) + dvb_attach(qt1010_attach, dvb->fe[0], + &dev->i2c_adap, &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); + 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); + 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 (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, 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: + /* 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, + &dvb->lna_gpio); + if (dvb->fe[0]) { + /* FE 0 attach tuner */ + if (!dvb_attach(tda18271_attach, + dvb->fe[0], + 0x60, + &dev->i2c_adap, + &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); + 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, + &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); + 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, 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 EM28174_BOARD_PCTV_460E: + /* attach demod */ + dvb->fe[0] = dvb_attach(tda10071_attach, + &em28xx_tda10071_config, &dev->i2c_adap); + + /* attach SEC */ + if (dvb->fe[0]) + dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap, + &em28xx_a8293_config); + break; + case EM2874_BOARD_MAXMEDIA_UB425_TC: + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk, + &dev->i2c_adap); + + if (dvb->fe[0]) { + /* disable I2C-gate */ + dvb->fe[0]->ops.i2c_gate_ctrl = NULL; + + /* attach tuner */ + if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], + &dev->i2c_adap, 0x60)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } + } + + /* TODO: we need drx-3913k firmware in order to support DVB-T */ + em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \ + "driver version\n"); + + 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); + + if (dvb->fe[0]) { + /* attach tuner */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap, + &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); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap, + &em28xx_cxd2820r_tda18271_config)) { + result = -EINVAL; + 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("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 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->board.has_dvb) { + /* This device does not support the extension */ + return 0; + } + + if (dev->dvb) { + struct em28xx_dvb *dvb = dev->dvb; + + if (dev->state & 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); + } + + 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); |
