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 "xc5000.h"
  37 #include "dvb-pll.h"
  38
  39 static unsigned int debug = 0;
  40
  41 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  42         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
  43
  44 /* ------------------------------------------------------------------ */
  45
  46 static int dvb_buf_setup(struct videobuf_queue *q,
  47                          unsigned int *count, unsigned int *size)
  48 {
  49         struct cx23885_tsport *port = q->priv_data;
  50
  51         port->ts_packet_size  = 188 * 4;
  52         port->ts_packet_count = 32;
  53
  54         *size  = port->ts_packet_size * port->ts_packet_count;
  55         *count = 32;
  56         return 0;
  57 }
  58
  59 static int dvb_buf_prepare(struct videobuf_queue *q,
  60                            struct videobuf_buffer *vb, enum v4l2_field field)
  61 {
  62         struct cx23885_tsport *port = q->priv_data;
  63         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  64 }
  65
  66 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  67 {
  68         struct cx23885_tsport *port = q->priv_data;
  69         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  70 }
  71
  72 static void dvb_buf_release(struct videobuf_queue *q,
  73                             struct videobuf_buffer *vb)
  74 {
  75         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  76 }
  77
  78 static int cx23885_request_firmware(struct dvb_frontend *fe,
  79         const struct firmware **fw, char *name)
  80 {
  81         struct cx23885_tsport *port = fe->dvb->priv;
  82         struct cx23885_dev *dev = port->dev;
  83
  84         dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
  85
  86         return request_firmware(fw, name, &dev->pci->dev);
  87 }
  88
  89 static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
  90 {
  91         struct cx23885_tsport *port = fe->dvb->priv;
  92         struct cx23885_dev *dev = port->dev;
  93
  94         dprintk(1, "%s()\n", __FUNCTION__);
  95
  96         /* Drive the tuner into reset back back */
  97         cx_clear(GP0_IO, 0x00000004);
  98         mdelay(200);
  99         cx_set(GP0_IO, 0x00000004);
 100
 101         return 0;
 102 }
 103
 104 static struct videobuf_queue_ops dvb_qops = {
 105         .buf_setup    = dvb_buf_setup,
 106         .buf_prepare  = dvb_buf_prepare,
 107         .buf_queue    = dvb_buf_queue,
 108         .buf_release  = dvb_buf_release,
 109 };
 110
 111 static struct s5h1409_config hauppauge_generic_config = {
 112         .demod_address = 0x32 >> 1,
 113         .output_mode   = S5H1409_SERIAL_OUTPUT,
 114         .gpio          = S5H1409_GPIO_ON,
 115         .qam_if        = 44000,
 116         .inversion     = S5H1409_INVERSION_OFF,
 117         .status_mode   = S5H1409_DEMODLOCKING
 118 };
 119
 120 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 121         .demod_address = 0x32 >> 1,
 122         .output_mode   = S5H1409_SERIAL_OUTPUT,
 123         .gpio          = S5H1409_GPIO_OFF,
 124         .qam_if        = 44000,
 125         .inversion     = S5H1409_INVERSION_OFF,
 126         .status_mode   = S5H1409_DEMODLOCKING
 127 };
 128
 129 static struct mt2131_config hauppauge_generic_tunerconfig = {
 130         0x61
 131 };
 132
 133 static struct lgdt330x_config fusionhdtv_5_express = {
 134         .demod_address = 0x0e,
 135         .demod_chip = LGDT3303,
 136         .serial_mpeg = 0x40,
 137 };
 138
 139 static struct s5h1409_config hauppauge_hvr1500q_config = {
 140         .demod_address = 0x32 >> 1,
 141         .output_mode   = S5H1409_SERIAL_OUTPUT,
 142         .gpio          = S5H1409_GPIO_ON,
 143         .qam_if        = 44000,
 144         .inversion     = S5H1409_INVERSION_OFF,
 145         .status_mode   = S5H1409_DEMODLOCKING
 146 };
 147
 148 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 149         .i2c_address  = 0x61,
 150         .if_frequency = 4570000,
 151         .request_firmware = cx23885_request_firmware,
 152         .tuner_reset = hauppauge_hvr1500q_tuner_reset
 153 };
 154
 155 static int dvb_register(struct cx23885_tsport *port)
 156 {
 157         struct cx23885_dev *dev = port->dev;
 158         struct cx23885_i2c *i2c_bus = NULL;
 159
 160         /* init struct videobuf_dvb */
 161         port->dvb.name = dev->name;
 162
 163         /* init frontend */
 164         switch (dev->board) {
 165         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 166         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 167                 i2c_bus = &dev->i2c_bus[0];
 168                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 169                                                 &hauppauge_generic_config,
 170                                                 &i2c_bus->i2c_adap);
 171                 if (port->dvb.frontend != NULL) {
 172                         dvb_attach(mt2131_attach, port->dvb.frontend,
 173                                    &i2c_bus->i2c_adap,
 174                                    &hauppauge_generic_tunerconfig, 0);
 175                 }
 176                 break;
 177         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 178                 i2c_bus = &dev->i2c_bus[0];
 179                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 180                                                 &hauppauge_hvr1800lp_config,
 181                                                 &i2c_bus->i2c_adap);
 182                 if (port->dvb.frontend != NULL) {
 183                         dvb_attach(mt2131_attach, port->dvb.frontend,
 184                                    &i2c_bus->i2c_adap,
 185                                    &hauppauge_generic_tunerconfig, 0);
 186                 }
 187                 break;
 188         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 189                 i2c_bus = &dev->i2c_bus[0];
 190                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 191                                                 &fusionhdtv_5_express,
 192                                                 &i2c_bus->i2c_adap);
 193                 if (port->dvb.frontend != NULL) {
 194                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
 195                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
 196                 }
 197                 break;
 198         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 199                 i2c_bus = &dev->i2c_bus[1];
 200                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 201                                                 &hauppauge_hvr1500q_config,
 202                                                 &dev->i2c_bus[0].i2c_adap);
 203                 if (port->dvb.frontend != NULL) {
 204                         dvb_attach(xc5000_attach, port->dvb.frontend,
 205                                 &i2c_bus->i2c_adap,
 206                                 &hauppauge_hvr1500q_tunerconfig);
 207                 }
 208                 break;
 209         default:
 210                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 211                        dev->name);
 212                 break;
 213         }
 214         if (NULL == port->dvb.frontend) {
 215                 printk("%s: frontend initialization failed\n", dev->name);
 216                 return -1;
 217         }
 218
 219         /* Put the analog decoder in standby to keep it quiet */
 220         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 221
 222         /* register everything */
 223         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 224                                      &dev->pci->dev);
 225 }
 226
 227 int cx23885_dvb_register(struct cx23885_tsport *port)
 228 {
 229         struct cx23885_dev *dev = port->dev;
 230         int err;
 231
 232         dprintk(1, "%s\n", __FUNCTION__);
 233         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 234                 dev->board,
 235                 dev->name,
 236                 dev->pci_bus,
 237                 dev->pci_slot);
 238
 239         err = -ENODEV;
 240
 241         /* dvb stuff */
 242         printk("%s: cx23885 based dvb card\n", dev->name);
 243         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 244                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 245                             sizeof(struct cx23885_buffer), port);
 246         err = dvb_register(port);
 247         if (err != 0)
 248                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 249
 250         return err;
 251 }
 252
 253 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 254 {
 255         /* dvb */
 256         if(port->dvb.frontend)
 257                 videobuf_dvb_unregister(&port->dvb);
 258
 259         return 0;
 260 }
 261
 262 /*
 263  * Local variables:
 264  * c-basic-offset: 8
 265  * End:
 266  * 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
 267 */