diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
-rw-r--r-- | drivers/media/video/em28xx/em28xx-dvb.c | 243 |
1 files changed, 204 insertions, 39 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index 7904ca4..cef7a2d 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -1,7 +1,7 @@ /* DVB device driver for em28xx - (c) 2008 Mauro Carvalho Chehab <mchehab@infradead.org> + (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 @@ -40,6 +40,10 @@ #include "s921.h" #include "drxd.h" #include "cxd2820r.h" +#include "tda18271c2dd.h" +#include "drxk.h" +#include "tda10071.h" +#include "a8293.h" MODULE_DESCRIPTION("driver for em28xx based DVB cards"); MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); @@ -73,6 +77,11 @@ struct em28xx_dvb { 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; }; @@ -115,7 +124,7 @@ static inline void print_err_status(struct em28xx *dev, } } -static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb) +static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb) { int i; @@ -148,7 +157,7 @@ static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb) return 0; } -static int start_streaming(struct em28xx_dvb *dvb) +static int em28xx_start_streaming(struct em28xx_dvb *dvb) { int rc; struct em28xx *dev = dvb->adapter.priv; @@ -160,13 +169,18 @@ static int start_streaming(struct em28xx_dvb *dvb) return rc; max_dvb_packet_size = em28xx_isoc_dvb_max_packetsize(dev); + if (max_dvb_packet_size < 0) + return max_dvb_packet_size; + dprintk(1, "Using %d buffers each with %d bytes\n", + EM28XX_DVB_NUM_BUFS, + max_dvb_packet_size); return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS, max_dvb_packet_size, - dvb_isoc_copy); + em28xx_dvb_isoc_copy); } -static int stop_streaming(struct em28xx_dvb *dvb) +static int em28xx_stop_streaming(struct em28xx_dvb *dvb) { struct em28xx *dev = dvb->adapter.priv; @@ -177,7 +191,7 @@ static int stop_streaming(struct em28xx_dvb *dvb) return 0; } -static int start_feed(struct dvb_demux_feed *feed) +static int em28xx_start_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct em28xx_dvb *dvb = demux->priv; @@ -191,7 +205,7 @@ static int start_feed(struct dvb_demux_feed *feed) rc = dvb->nfeeds; if (dvb->nfeeds == 1) { - ret = start_streaming(dvb); + ret = em28xx_start_streaming(dvb); if (ret < 0) rc = ret; } @@ -200,7 +214,7 @@ static int start_feed(struct dvb_demux_feed *feed) return rc; } -static int stop_feed(struct dvb_demux_feed *feed) +static int em28xx_stop_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct em28xx_dvb *dvb = demux->priv; @@ -210,7 +224,7 @@ static int stop_feed(struct dvb_demux_feed *feed) dvb->nfeeds--; if (0 == dvb->nfeeds) - err = stop_streaming(dvb); + err = em28xx_stop_streaming(dvb); mutex_unlock(&dvb->lock); return err; @@ -295,7 +309,80 @@ static struct drxd_config em28xx_drxd = { .disable_i2c_gate_ctrl = 1, }; -static int mt352_terratec_xs_init(struct dvb_frontend *fe) +struct drxk_config terratec_h5_drxk = { + .adr = 0x29, + .single_master = 1, + .no_i2c_bridge = 1, + .microcode_name = "dvb-usb-terratec-h5-drxk.fw", +}; + +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 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 }; @@ -327,7 +414,7 @@ static struct mt352_config terratec_xs_mt352_cfg = { .demod_address = (0x1e >> 1), .no_tuner = 1, .if2 = 45600, - .demod_init = mt352_terratec_xs_init, + .demod_init = em28xx_mt352_terratec_xs_init, }; static struct tda10023_config em28xx_tda10023_config = { @@ -353,11 +440,25 @@ static struct cxd2820r_config em28xx_cxd2820r_config = { 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 int attach_xc3028(u8 addr, struct em28xx *dev) +static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev) { struct dvb_frontend *fe; struct xc2028_config cfg; @@ -387,10 +488,8 @@ static int attach_xc3028(u8 addr, struct em28xx *dev) /* ------------------------------------------------------------------ */ -static int register_dvb(struct em28xx_dvb *dvb, - struct module *module, - struct em28xx *dev, - struct device *device) +static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module, + struct em28xx *dev, struct device *device) { int result; @@ -437,8 +536,8 @@ static int register_dvb(struct em28xx_dvb *dvb, dvb->demux.priv = dvb; dvb->demux.filternum = 256; dvb->demux.feednum = 256; - dvb->demux.start_feed = start_feed; - dvb->demux.stop_feed = stop_feed; + dvb->demux.start_feed = em28xx_start_feed; + dvb->demux.stop_feed = em28xx_stop_feed; result = dvb_dmx_init(&dvb->demux); if (result < 0) { @@ -506,7 +605,7 @@ fail_adapter: return result; } -static void unregister_dvb(struct em28xx_dvb *dvb) +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); @@ -516,15 +615,15 @@ static void unregister_dvb(struct em28xx_dvb *dvb) if (dvb->fe[1]) dvb_unregister_frontend(dvb->fe[1]); dvb_unregister_frontend(dvb->fe[0]); - if (dvb->fe[1]) + 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 dvb_init(struct em28xx *dev) +static int em28xx_dvb_init(struct em28xx *dev) { - int result = 0; + int result = 0, mfe_shared = 0; struct em28xx_dvb *dvb; if (!dev->board.has_dvb) { @@ -546,7 +645,7 @@ static int dvb_init(struct em28xx *dev) em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); /* init frontend */ switch (dev->model) { - case EM2874_LEADERSHIP_ISDBT: + case EM2874_BOARD_LEADERSHIP_ISDBT: dvb->fe[0] = dvb_attach(s921_attach, &sharp_isdbt, &dev->i2c_adap); @@ -563,7 +662,7 @@ static int dvb_init(struct em28xx *dev) dvb->fe[0] = dvb_attach(lgdt330x_attach, &em2880_lgdt3303_dev, &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -572,7 +671,7 @@ static int dvb_init(struct em28xx *dev) dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_with_xc3028, &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -583,7 +682,7 @@ static int dvb_init(struct em28xx *dev) dvb->fe[0] = dvb_attach(zl10353_attach, &em28xx_zl10353_xc3028_no_i2c_gate, &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -604,7 +703,7 @@ static int dvb_init(struct em28xx *dev) &dev->i2c_adap); } - if (attach_xc3028(0x61, dev) < 0) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -614,7 +713,7 @@ static int dvb_init(struct em28xx *dev) dvb->fe[0] = dvb_attach(s5h1409_attach, &em28xx_s5h1409_with_xc3028, &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -635,7 +734,7 @@ static int dvb_init(struct em28xx *dev) 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) { + if (em28xx_attach_xc3028(0x61, dev) < 0) { result = -EINVAL; goto out_free; } @@ -668,11 +767,9 @@ static int dvb_init(struct em28xx *dev) 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)) { + &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[0]); result = -EINVAL; goto out_free; @@ -683,12 +780,59 @@ static int dvb_init(struct em28xx *dev) dvb->fe[1]->id = 1; /* FE 1 attach tuner */ if (!dvb_attach(tda18271_attach, dvb->fe[1], 0x60, - i2c_tuner, &em28xx_cxd2820r_tda18271_config)) { + &dev->i2c_adap, &em28xx_cxd2820r_tda18271_config)) { dvb_frontend_detach(dvb->fe[1]); /* leave FE 0 still active */ } + + mfe_shared = 1; } break; + case EM2884_BOARD_TERRATEC_H5: + terratec_h5_init(dev); + + dvb->dont_attach_fe1 = 1; + + dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]); + 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; + dvb->fe[1]->id = 1; + + /* 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); + + /* Hack - needed by drxk/tda18271c2dd */ + dvb->fe[1]->tuner_priv = dvb->fe[0]->tuner_priv; + memcpy(&dvb->fe[1]->ops.tuner_ops, + &dvb->fe[0]->ops.tuner_ops, + sizeof(dvb->fe[0]->ops.tuner_ops)); + + 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; default: em28xx_errdev("/2: The frontend of your DVB/ATSC card" " isn't supported yet\n"); @@ -703,11 +847,14 @@ static int dvb_init(struct em28xx *dev) dvb->fe[0]->callback = em28xx_tuner_callback; /* register everything */ - result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); + 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); @@ -720,7 +867,14 @@ out_free: goto ret; } -static int dvb_fini(struct em28xx *dev) +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 */ @@ -728,8 +882,19 @@ static int dvb_fini(struct em28xx *dev) } if (dev->dvb) { - unregister_dvb(dev->dvb); - kfree(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; } @@ -739,8 +904,8 @@ static int dvb_fini(struct em28xx *dev) static struct em28xx_ops dvb_ops = { .id = EM28XX_DVB, .name = "Em28xx dvb Extension", - .init = dvb_init, - .fini = dvb_fini, + .init = em28xx_dvb_init, + .fini = em28xx_dvb_fini, }; static int __init em28xx_dvb_register(void) |