339 lines
9.0 KiB
C
339 lines
9.0 KiB
C
/*
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* $Id: cx88-dvb.c,v 1.19 2004/11/07 14:44:59 kraxel Exp $
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*
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* device driver for Conexant 2388x based TV cards
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* MPEG Transport Stream (DVB) routines
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*
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* (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au>
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/fs.h>
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#include <linux/kthread.h>
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#include <linux/file.h>
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#include <linux/suspend.h>
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#include "cx88.h"
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#include "cx22702.h"
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#include "mt352.h"
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#include "mt352_priv.h" /* FIXME */
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MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
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MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
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MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL");
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static unsigned int debug = 0;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug,"enable debug messages [dvb]");
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#define dprintk(level,fmt, arg...) if (debug >= level) \
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printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->core->name , ## arg)
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/* ------------------------------------------------------------------ */
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static int dvb_buf_setup(struct videobuf_queue *q,
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unsigned int *count, unsigned int *size)
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{
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struct cx8802_dev *dev = q->priv_data;
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dev->ts_packet_size = 188 * 4;
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dev->ts_packet_count = 32;
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*size = dev->ts_packet_size * dev->ts_packet_count;
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*count = 32;
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return 0;
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}
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static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
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enum v4l2_field field)
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{
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struct cx8802_dev *dev = q->priv_data;
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return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb);
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}
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static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
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{
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struct cx8802_dev *dev = q->priv_data;
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cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
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}
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static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
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{
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struct cx8802_dev *dev = q->priv_data;
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cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb);
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}
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struct videobuf_queue_ops dvb_qops = {
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.buf_setup = dvb_buf_setup,
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.buf_prepare = dvb_buf_prepare,
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.buf_queue = dvb_buf_queue,
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.buf_release = dvb_buf_release,
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};
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/* ------------------------------------------------------------------ */
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static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
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{
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static u8 clock_config [] = { CLOCK_CTL, 0x38, 0x39 };
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static u8 reset [] = { RESET, 0x80 };
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static u8 adc_ctl_1_cfg [] = { ADC_CTL_1, 0x40 };
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static u8 agc_cfg [] = { AGC_TARGET, 0x24, 0x20 };
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static u8 gpp_ctl_cfg [] = { GPP_CTL, 0x33 };
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static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
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mt352_write(fe, clock_config, sizeof(clock_config));
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udelay(200);
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mt352_write(fe, reset, sizeof(reset));
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mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
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mt352_write(fe, agc_cfg, sizeof(agc_cfg));
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mt352_write(fe, gpp_ctl_cfg, sizeof(gpp_ctl_cfg));
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mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
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return 0;
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}
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#define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
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static int lg_z201_pll_set(struct dvb_frontend* fe,
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struct dvb_frontend_parameters* params, u8* pllbuf)
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{
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u32 div;
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unsigned char cp = 0;
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unsigned char bs = 0;
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div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
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if (params->frequency < 542000000) cp = 0xbc;
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else if (params->frequency < 830000000) cp = 0xf4;
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else cp = 0xfc;
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if (params->frequency == 0) bs = 0x03;
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else if (params->frequency < 157500000) bs = 0x01;
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else if (params->frequency < 443250000) bs = 0x02;
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else bs = 0x04;
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pllbuf[0] = 0xC2; /* Note: non-linux standard PLL I2C address */
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pllbuf[1] = div >> 8;
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pllbuf[2] = div & 0xff;
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pllbuf[3] = cp;
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pllbuf[4] = bs;
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return 0;
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}
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static int thomson_dtt7579_pll_set(struct dvb_frontend* fe,
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struct dvb_frontend_parameters* params,
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u8* pllbuf)
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{
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u32 div;
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unsigned char cp = 0;
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unsigned char bs = 0;
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div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
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if (params->frequency < 542000000) cp = 0xb4;
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else if (params->frequency < 771000000) cp = 0xbc;
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else cp = 0xf4;
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if (params->frequency == 0) bs = 0x03;
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else if (params->frequency < 443250000) bs = 0x02;
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else bs = 0x08;
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pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
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pllbuf[1] = div >> 8;
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pllbuf[2] = div & 0xff;
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pllbuf[3] = cp;
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pllbuf[4] = bs;
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return 0;
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}
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struct mt352_config dvico_fusionhdtv_dvbt1 = {
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.demod_address = 0x0F,
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.demod_init = dvico_fusionhdtv_demod_init,
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.pll_set = lg_z201_pll_set,
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};
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struct mt352_config dvico_fusionhdtv_dvbt_plus = {
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.demod_address = 0x0F,
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.demod_init = dvico_fusionhdtv_demod_init,
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.pll_set = thomson_dtt7579_pll_set,
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};
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static int dvb_register(struct cx8802_dev *dev)
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{
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/* init struct videobuf_dvb */
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dev->dvb.name = dev->core->name;
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/* init frontend */
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switch (dev->core->board) {
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case CX88_BOARD_HAUPPAUGE_DVB_T1:
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case CX88_BOARD_CONEXANT_DVB_T1:
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dev->dvb.frontend = cx22702_create(&dev->core->i2c_adap,
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dev->core->pll_addr,
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dev->core->pll_type,
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dev->core->demod_addr);
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break;
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case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
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dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv_dvbt1,
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&dev->core->i2c_adap);
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if (dev->dvb.frontend) {
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dev->dvb.frontend->ops->info.frequency_min = 174000000;
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dev->dvb.frontend->ops->info.frequency_max = 862000000;
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}
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break;
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case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
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dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv_dvbt_plus,
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&dev->core->i2c_adap);
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if (dev->dvb.frontend) {
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dev->dvb.frontend->ops->info.frequency_min = 174000000;
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dev->dvb.frontend->ops->info.frequency_max = 862000000;
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}
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break;
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default:
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printk("%s: FIXME: frontend handling not here yet ...\n",
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dev->core->name);
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break;
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}
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if (NULL == dev->dvb.frontend)
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return -1;
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/* Copy the board name into the DVB structure */
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strlcpy(dev->dvb.frontend->ops->info.name,
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cx88_boards[dev->core->board].name,
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sizeof(dev->dvb.frontend->ops->info.name));
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/* register everything */
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return videobuf_dvb_register(&dev->dvb);
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}
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/* ----------------------------------------------------------- */
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static int __devinit dvb_probe(struct pci_dev *pci_dev,
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const struct pci_device_id *pci_id)
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{
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struct cx8802_dev *dev;
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struct cx88_core *core;
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int err;
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/* general setup */
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core = cx88_core_get(pci_dev);
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if (NULL == core)
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return -EINVAL;
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err = -ENODEV;
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if (!cx88_boards[core->board].dvb)
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goto fail_core;
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err = -ENOMEM;
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dev = kmalloc(sizeof(*dev),GFP_KERNEL);
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if (NULL == dev)
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goto fail_core;
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memset(dev,0,sizeof(*dev));
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dev->pci = pci_dev;
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dev->core = core;
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err = cx8802_init_common(dev);
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if (0 != err)
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goto fail_free;
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/* dvb stuff */
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printk("%s/2: cx2388x based dvb card\n", core->name);
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videobuf_queue_init(&dev->dvb.dvbq, &dvb_qops,
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dev->pci, &dev->slock,
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V4L2_BUF_TYPE_VIDEO_CAPTURE,
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V4L2_FIELD_TOP,
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sizeof(struct cx88_buffer),
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dev);
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err = dvb_register(dev);
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if (0 != err)
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goto fail_free;
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return 0;
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fail_free:
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kfree(dev);
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fail_core:
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cx88_core_put(core,pci_dev);
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return err;
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}
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static void __devexit dvb_remove(struct pci_dev *pci_dev)
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{
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struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
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/* dvb */
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videobuf_dvb_unregister(&dev->dvb);
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/* common */
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cx8802_fini_common(dev);
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cx88_core_put(dev->core,dev->pci);
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kfree(dev);
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}
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static struct pci_device_id cx8802_pci_tbl[] = {
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{
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.vendor = 0x14f1,
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.device = 0x8802,
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.subvendor = PCI_ANY_ID,
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.subdevice = PCI_ANY_ID,
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},{
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/* --- end of list --- */
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}
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};
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MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
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static struct pci_driver dvb_pci_driver = {
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.name = "cx88-dvb",
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.id_table = cx8802_pci_tbl,
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.probe = dvb_probe,
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.remove = __devexit_p(dvb_remove),
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.suspend = cx8802_suspend_common,
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.resume = cx8802_resume_common,
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};
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static int dvb_init(void)
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{
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printk(KERN_INFO "cx2388x dvb driver version %d.%d.%d loaded\n",
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(CX88_VERSION_CODE >> 16) & 0xff,
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(CX88_VERSION_CODE >> 8) & 0xff,
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CX88_VERSION_CODE & 0xff);
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#ifdef SNAPSHOT
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printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
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SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
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#endif
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return pci_module_init(&dvb_pci_driver);
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}
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static void dvb_fini(void)
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{
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pci_unregister_driver(&dvb_pci_driver);
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}
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module_init(dvb_init);
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module_exit(dvb_fini);
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/*
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* Local variables:
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* c-basic-offset: 8
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* compile-command: "make DVB=1"
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* End:
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*/
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