SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/cx23885/cx23885-dvb.c

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/init.h>
  24 #include <linux/device.h>
  25 #include <linux/fs.h>
  26 #include <linux/kthread.h>
  27 #include <linux/file.h>
  28 #include <linux/suspend.h>
  29
  30 #include "cx23885.h"
  31 #include <media/v4l2-common.h>
  32
  33 #include "s5h1409.h"
  34 #include "mt2131.h"
  35 #include "lgdt330x.h"
  36 #include "dvb-pll.h"
  37
  38 static unsigned int debug = 0;
  39
  40 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  41         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
  42
  43 /* ------------------------------------------------------------------ */
  44
  45 static int dvb_buf_setup(struct videobuf_queue *q,
  46                          unsigned int *count, unsigned int *size)
  47 {
  48         struct cx23885_tsport *port = q->priv_data;
  49
  50         port->ts_packet_size  = 188 * 4;
  51         port->ts_packet_count = 32;
  52
  53         *size  = port->ts_packet_size * port->ts_packet_count;
  54         *count = 32;
  55         return 0;
  56 }
  57
  58 static int dvb_buf_prepare(struct videobuf_queue *q,
  59                            struct videobuf_buffer *vb, enum v4l2_field field)
  60 {
  61         struct cx23885_tsport *port = q->priv_data;
  62         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  63 }
  64
  65 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  66 {
  67         struct cx23885_tsport *port = q->priv_data;
  68         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  69 }
  70
  71 static void dvb_buf_release(struct videobuf_queue *q,
  72                             struct videobuf_buffer *vb)
  73 {
  74         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  75 }
  76
  77 static struct videobuf_queue_ops dvb_qops = {
  78         .buf_setup    = dvb_buf_setup,
  79         .buf_prepare  = dvb_buf_prepare,
  80         .buf_queue    = dvb_buf_queue,
  81         .buf_release  = dvb_buf_release,
  82 };
  83
  84 static struct s5h1409_config hauppauge_generic_config = {
  85         .demod_address = 0x32 >> 1,
  86         .output_mode   = S5H1409_SERIAL_OUTPUT,
  87         .gpio          = S5H1409_GPIO_ON,
  88         .if_freq       = 44000,
  89         .inversion     = S5H1409_INVERSION_OFF,
  90         .status_mode   = S5H1409_DEMODLOCKING
  91 };
  92
  93 static struct s5h1409_config hauppauge_hvr1800lp_config = {
  94         .demod_address = 0x32 >> 1,
  95         .output_mode   = S5H1409_SERIAL_OUTPUT,
  96         .gpio          = S5H1409_GPIO_OFF,
  97         .if_freq       = 44000,
  98         .inversion     = S5H1409_INVERSION_OFF,
  99         .status_mode   = S5H1409_DEMODLOCKING
 100 };
 101
 102 static struct mt2131_config hauppauge_generic_tunerconfig = {
 103         0x61
 104 };
 105
 106 static struct lgdt330x_config fusionhdtv_5_express = {
 107         .demod_address = 0x0e,
 108         .demod_chip = LGDT3303,
 109         .serial_mpeg = 0x40,
 110 };
 111
 112 static int dvb_register(struct cx23885_tsport *port)
 113 {
 114         struct cx23885_dev *dev = port->dev;
 115
 116         /* init struct videobuf_dvb */
 117         port->dvb.name = dev->name;
 118
 119         /* init frontend */
 120         switch (dev->board) {
 121         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 122         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 123                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 124                                                 &hauppauge_generic_config,
 125                                                 &dev->i2c_bus[0].i2c_adap);
 126                 if (port->dvb.frontend != NULL) {
 127                         dvb_attach(mt2131_attach, port->dvb.frontend,
 128                                    &dev->i2c_bus[0].i2c_adap,
 129                                    &hauppauge_generic_tunerconfig, 0);
 130                 }
 131                 break;
 132         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 133                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 134                                                 &hauppauge_hvr1800lp_config,
 135                                                 &dev->i2c_bus[0].i2c_adap);
 136                 if (port->dvb.frontend != NULL) {
 137                         dvb_attach(mt2131_attach, port->dvb.frontend,
 138                                    &dev->i2c_bus[0].i2c_adap,
 139                                    &hauppauge_generic_tunerconfig, 0);
 140                 }
 141                 break;
 142         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 143                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 144                                                 &fusionhdtv_5_express,
 145                                                 &dev->i2c_bus[0].i2c_adap);
 146                 if (port->dvb.frontend != NULL) {
 147                         dvb_attach(dvb_pll_attach, port->dvb.frontend,
 148                                    0x61, &dev->i2c_bus[0].i2c_adap,
 149                                    DVB_PLL_LG_TDVS_H06XF);
 150                 }
 151                 break;
 152         default:
 153                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 154                        dev->name);
 155                 break;
 156         }
 157         if (NULL == port->dvb.frontend) {
 158                 printk("%s: frontend initialization failed\n", dev->name);
 159                 return -1;
 160         }
 161
 162         /* Put the analog decoder in standby to keep it quiet */
 163         /* Assumption here: analog decoder is only on i2c bus 0 */
 164         cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
 165
 166         /* register everything */
 167         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 168                                      &dev->pci->dev);
 169 }
 170
 171 int cx23885_dvb_register(struct cx23885_tsport *port)
 172 {
 173         struct cx23885_dev *dev = port->dev;
 174         int err;
 175
 176         dprintk(1, "%s\n", __FUNCTION__);
 177         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 178                 dev->board,
 179                 dev->name,
 180                 dev->pci_bus,
 181                 dev->pci_slot);
 182
 183         err = -ENODEV;
 184
 185         /* dvb stuff */
 186         printk("%s: cx23885 based dvb card\n", dev->name);
 187         videobuf_queue_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 188                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 189                             sizeof(struct cx23885_buffer), port);
 190         err = dvb_register(port);
 191         if (err != 0)
 192                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 193
 194         return err;
 195 }
 196
 197 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 198 {
 199         /* dvb */
 200         if(port->dvb.frontend)
 201                 videobuf_dvb_unregister(&port->dvb);
 202
 203         return 0;
 204 }
 205
 206 /*
 207  * Local variables:
 208  * c-basic-offset: 8
 209  * End:
 210  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
 211 */