diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-dvb.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-dvb.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c new file mode 100644 index 00000000000..dd4a6c8ee65 --- /dev/null +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -0,0 +1,266 @@ +/* + * $Id: saa7134-dvb.c,v 1.12 2005/02/18 12:28:29 kraxel Exp $ + * + * (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, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <linux/suspend.h> + +#include "saa7134-reg.h" +#include "saa7134.h" + +#include "dvb-pll.h" +#include "mt352.h" +#include "mt352_priv.h" /* FIXME */ +#include "tda1004x.h" + +MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); +MODULE_LICENSE("GPL"); + +static unsigned int antenna_pwr = 0; +module_param(antenna_pwr, int, 0444); +MODULE_PARM_DESC(antenna_pwr,"enable antenna power (Pinnacle 300i)"); + +/* ------------------------------------------------------------------ */ + +static int pinnacle_antenna_pwr(struct saa7134_dev *dev, int on) +{ + u32 ok; + + if (!on) { + saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 26)); + saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); + return 0; + } + + saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 26)); + saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); + udelay(10); + + saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 28)); + saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28)); + udelay(10); + saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28)); + udelay(10); + ok = saa_readl(SAA7134_GPIO_GPSTATUS0) & (1 << 27); + printk("%s: %s %s\n", dev->name, __FUNCTION__, + ok ? "on" : "off"); + + if (!ok) + saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); + return ok; +} + +static int mt352_pinnacle_init(struct dvb_frontend* fe) +{ + static u8 clock_config [] = { CLOCK_CTL, 0x3d, 0x28 }; + 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 capt_range_cfg[] = { CAPT_RANGE, 0x31 }; + static u8 fsm_ctl_cfg[] = { 0x7b, 0x04 }; + static u8 gpp_ctl_cfg [] = { GPP_CTL, 0x0f }; + static u8 scan_ctl_cfg [] = { SCAN_CTL, 0x0d }; + static u8 irq_cfg [] = { INTERRUPT_EN_0, 0x00, 0x00, 0x00, 0x00 }; + struct saa7134_dev *dev= fe->dvb->priv; + + printk("%s: %s called\n",dev->name,__FUNCTION__); + + 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, capt_range_cfg, sizeof(capt_range_cfg)); + mt352_write(fe, gpp_ctl_cfg, sizeof(gpp_ctl_cfg)); + + mt352_write(fe, fsm_ctl_cfg, sizeof(fsm_ctl_cfg)); + mt352_write(fe, scan_ctl_cfg, sizeof(scan_ctl_cfg)); + mt352_write(fe, irq_cfg, sizeof(irq_cfg)); + return 0; +} + +static int mt352_pinnacle_pll_set(struct dvb_frontend* fe, + struct dvb_frontend_parameters* params, + u8* pllbuf) +{ + static int on = TDA9887_PRESENT | TDA9887_PORT2_INACTIVE; + static int off = TDA9887_PRESENT | TDA9887_PORT2_ACTIVE; + struct saa7134_dev *dev = fe->dvb->priv; + struct v4l2_frequency f; + + /* set frequency (mt2050) */ + f.tuner = 0; + f.type = V4L2_TUNER_DIGITAL_TV; + f.frequency = params->frequency / 1000 * 16 / 1000; + saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&on); + saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f); + saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&off); + + pinnacle_antenna_pwr(dev, antenna_pwr); + + /* mt352 setup */ + mt352_pinnacle_init(fe); + pllbuf[0] = 0xc2; + pllbuf[1] = 0x00; + pllbuf[2] = 0x00; + pllbuf[3] = 0x80; + pllbuf[4] = 0x00; + return 0; +} + +static struct mt352_config pinnacle_300i = { + .demod_address = 0x3c >> 1, + .adc_clock = 20333, + .if2 = 36150, + .no_tuner = 1, + .demod_init = mt352_pinnacle_init, + .pll_set = mt352_pinnacle_pll_set, +}; + +/* ------------------------------------------------------------------ */ + +static int medion_cardbus_init(struct dvb_frontend* fe) +{ + /* anything to do here ??? */ + return 0; +} + +static int medion_cardbus_pll_set(struct dvb_frontend* fe, + struct dvb_frontend_parameters* params) +{ + struct saa7134_dev *dev = fe->dvb->priv; + struct v4l2_frequency f; + + /* + * this instructs tuner.o to set the frequency, the call will + * end up in tuner_command(), VIDIOC_S_FREQUENCY switch. + * tda9887.o will see that as well. + */ + f.tuner = 0; + f.type = V4L2_TUNER_DIGITAL_TV; + f.frequency = params->frequency / 1000 * 16 / 1000; + saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f); + return 0; +} + +static int fe_request_firmware(struct dvb_frontend* fe, + const struct firmware **fw, char* name) +{ + struct saa7134_dev *dev = fe->dvb->priv; + return request_firmware(fw, name, &dev->pci->dev); +} + +struct tda1004x_config medion_cardbus = { + .demod_address = 0x08, /* not sure this is correct */ + .invert = 0, + .invert_oclk = 0, + .pll_init = medion_cardbus_init, + .pll_set = medion_cardbus_pll_set, + .request_firmware = fe_request_firmware, +}; + +/* ------------------------------------------------------------------ */ + +static int dvb_init(struct saa7134_dev *dev) +{ + /* init struct videobuf_dvb */ + dev->ts.nr_bufs = 32; + dev->ts.nr_packets = 32*4; + dev->dvb.name = dev->name; + videobuf_queue_init(&dev->dvb.dvbq, &saa7134_ts_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_ALTERNATE, + sizeof(struct saa7134_buf), + dev); + + switch (dev->board) { + case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL: + printk("%s: pinnacle 300i dvb setup\n",dev->name); + dev->dvb.frontend = mt352_attach(&pinnacle_300i, + &dev->i2c_adap); + break; + case SAA7134_BOARD_MD7134: + dev->dvb.frontend = tda10046_attach(&medion_cardbus, + &dev->i2c_adap); + if (NULL == dev->dvb.frontend) + printk("%s: Hmm, looks like this is the old MD7134 " + "version without DVB-T support\n",dev->name); + break; + default: + printk("%s: Huh? unknown DVB card?\n",dev->name); + break; + } + + if (NULL == dev->dvb.frontend) { + printk("%s: frontend initialization failed\n",dev->name); + return -1; + } + + /* register everything else */ + return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev); +} + +static int dvb_fini(struct saa7134_dev *dev) +{ + static int on = TDA9887_PRESENT | TDA9887_PORT2_INACTIVE; + + printk("%s: %s\n",dev->name,__FUNCTION__); + + switch (dev->board) { + case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL: + /* otherwise we don't detect the tuner on next insmod */ + saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&on); + break; + }; + videobuf_dvb_unregister(&dev->dvb); + return 0; +} + +static struct saa7134_mpeg_ops dvb_ops = { + .type = SAA7134_MPEG_DVB, + .init = dvb_init, + .fini = dvb_fini, +}; + +static int __init dvb_register(void) +{ + return saa7134_ts_register(&dvb_ops); +} + +static void __exit dvb_unregister(void) +{ + saa7134_ts_unregister(&dvb_ops); +} + +module_init(dvb_register); +module_exit(dvb_unregister); + +/* ------------------------------------------------------------------ */ +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |