diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-dvb.c | 126 |
1 files changed, 123 insertions, 3 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index 7904ca4b6913..e5916dee4094 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 +40,8 @@ #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 <mchehab@infradead.org>"); @@ -73,6 +75,11 @@ 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; }; @@ -160,6 +167,11 @@ 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, @@ -295,6 +307,79 @@ static struct drxd_config em28xx_drxd = { .disable_i2c_gate_ctrl = 1, }; +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 mt352_terratec_xs_init(struct dvb_frontend *fe) { /* Values extracted from a USB trace of the Terratec Windows driver */ @@ -516,7 +601,7 @@ 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); @@ -546,7 +631,7 @@ 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); @@ -689,6 +774,41 @@ static int dvb_init(struct em28xx *dev) } } 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; default: em28xx_errdev("/2: The frontend of your DVB/ATSC card" " isn't supported yet\n"); |