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 "tda8290.h"
  36 #include "lgdt330x.h"
  37 #include "xc5000.h"
  38 #include "dvb-pll.h"
  39 #include "tuner-xc2028.h"
  40 #include "tuner-xc2028-types.h"
  41
  42 static unsigned int debug = 0;
  43
  44 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  45         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
  46
  47 /* ------------------------------------------------------------------ */
  48
  49 static unsigned int alt_tuner;
  50 module_param(alt_tuner, int, 0644);
  51 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
  52
  53 /* ------------------------------------------------------------------ */
  54
  55 static int dvb_buf_setup(struct videobuf_queue *q,
  56                          unsigned int *count, unsigned int *size)
  57 {
  58         struct cx23885_tsport *port = q->priv_data;
  59
  60         port->ts_packet_size  = 188 * 4;
  61         port->ts_packet_count = 32;
  62
  63         *size  = port->ts_packet_size * port->ts_packet_count;
  64         *count = 32;
  65         return 0;
  66 }
  67
  68 static int dvb_buf_prepare(struct videobuf_queue *q,
  69                            struct videobuf_buffer *vb, enum v4l2_field field)
  70 {
  71         struct cx23885_tsport *port = q->priv_data;
  72         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  73 }
  74
  75 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  76 {
  77         struct cx23885_tsport *port = q->priv_data;
  78         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  79 }
  80
  81 static void dvb_buf_release(struct videobuf_queue *q,
  82                             struct videobuf_buffer *vb)
  83 {
  84         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  85 }
  86
  87 static int cx23885_request_firmware(struct dvb_frontend *fe,
  88         const struct firmware **fw, char *name)
  89 {
  90         struct cx23885_tsport *port = fe->dvb->priv;
  91         struct cx23885_dev *dev = port->dev;
  92
  93         dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
  94
  95         return request_firmware(fw, name, &dev->pci->dev);
  96 }
  97
  98 static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
  99 {
 100         struct cx23885_tsport *port = fe->dvb->priv;
 101         struct cx23885_dev *dev = port->dev;
 102
 103         dprintk(1, "%s()\n", __FUNCTION__);
 104
 105         /* Drive the tuner into reset back back */
 106         cx_clear(GP0_IO, 0x00000004);
 107         mdelay(200);
 108         cx_set(GP0_IO, 0x00000004);
 109
 110         return 0;
 111 }
 112
 113 static struct videobuf_queue_ops dvb_qops = {
 114         .buf_setup    = dvb_buf_setup,
 115         .buf_prepare  = dvb_buf_prepare,
 116         .buf_queue    = dvb_buf_queue,
 117         .buf_release  = dvb_buf_release,
 118 };
 119
 120 static struct s5h1409_config hauppauge_generic_config = {
 121         .demod_address = 0x32 >> 1,
 122         .output_mode   = S5H1409_SERIAL_OUTPUT,
 123         .gpio          = S5H1409_GPIO_ON,
 124         .qam_if        = 44000,
 125         .inversion     = S5H1409_INVERSION_OFF,
 126         .status_mode   = S5H1409_DEMODLOCKING
 127 };
 128
 129 static struct s5h1409_config hauppauge_ezqam_config = {
 130         .demod_address = 0x32 >> 1,
 131         .output_mode   = S5H1409_SERIAL_OUTPUT,
 132         .gpio          = S5H1409_GPIO_OFF,
 133         .qam_if        = 4000,
 134         .inversion     = S5H1409_INVERSION_ON,
 135         .status_mode   = S5H1409_DEMODLOCKING
 136 };
 137
 138 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 139         .demod_address = 0x32 >> 1,
 140         .output_mode   = S5H1409_SERIAL_OUTPUT,
 141         .gpio          = S5H1409_GPIO_OFF,
 142         .qam_if        = 44000,
 143         .inversion     = S5H1409_INVERSION_OFF,
 144         .status_mode   = S5H1409_DEMODLOCKING
 145 };
 146
 147 static struct s5h1409_config hauppauge_hvr1500_config = {
 148         .demod_address = 0x32 >> 1,
 149         .output_mode   = S5H1409_SERIAL_OUTPUT,
 150         .gpio          = S5H1409_GPIO_OFF,
 151         .inversion     = S5H1409_INVERSION_OFF,
 152         .status_mode   = S5H1409_DEMODLOCKING
 153 };
 154
 155 static struct mt2131_config hauppauge_generic_tunerconfig = {
 156         0x61
 157 };
 158
 159 static struct lgdt330x_config fusionhdtv_5_express = {
 160         .demod_address = 0x0e,
 161         .demod_chip = LGDT3303,
 162         .serial_mpeg = 0x40,
 163 };
 164
 165 static struct s5h1409_config hauppauge_hvr1500q_config = {
 166         .demod_address = 0x32 >> 1,
 167         .output_mode   = S5H1409_SERIAL_OUTPUT,
 168         .gpio          = S5H1409_GPIO_ON,
 169         .qam_if        = 44000,
 170         .inversion     = S5H1409_INVERSION_OFF,
 171         .status_mode   = S5H1409_DEMODLOCKING
 172 };
 173
 174 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 175         .i2c_address      = 0x61,
 176         .if_khz           = 5380,
 177         .request_firmware = cx23885_request_firmware,
 178         .tuner_reset      = hauppauge_hvr1500q_tuner_reset
 179 };
 180
 181 static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
 182 {
 183         struct cx23885_tsport *port = ptr;
 184         struct cx23885_dev *dev = port->dev;
 185
 186         switch (command) {
 187         case XC2028_TUNER_RESET:
 188                 /* Send the tuner in then out of reset */
 189                 /* GPIO-2 xc3028 tuner */
 190                 dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
 191
 192                 cx_set(GP0_IO, 0x00040000);
 193                 cx_clear(GP0_IO, 0x00000004);
 194                 msleep(5);
 195
 196                 cx_set(GP0_IO, 0x00040004);
 197                 msleep(5);
 198                 break;
 199         case XC2028_RESET_CLK:
 200                 dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
 201                 break;
 202         default:
 203                 dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
 204                         command, arg);
 205                 return -EINVAL;
 206         }
 207
 208         return 0;
 209 }
 210
 211 static int dvb_register(struct cx23885_tsport *port)
 212 {
 213         struct cx23885_dev *dev = port->dev;
 214         struct cx23885_i2c *i2c_bus = NULL;
 215
 216         /* init struct videobuf_dvb */
 217         port->dvb.name = dev->name;
 218
 219         /* init frontend */
 220         switch (dev->board) {
 221         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 222                 i2c_bus = &dev->i2c_bus[0];
 223                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 224                                                 &hauppauge_generic_config,
 225                                                 &i2c_bus->i2c_adap);
 226                 if (port->dvb.frontend != NULL) {
 227                         dvb_attach(mt2131_attach, port->dvb.frontend,
 228                                    &i2c_bus->i2c_adap,
 229                                    &hauppauge_generic_tunerconfig, 0);
 230                 }
 231                 break;
 232         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 233                 i2c_bus = &dev->i2c_bus[0];
 234                 switch (alt_tuner) {
 235                 case 1:
 236                         port->dvb.frontend =
 237                                 dvb_attach(s5h1409_attach,
 238                                            &hauppauge_ezqam_config,
 239                                            &i2c_bus->i2c_adap);
 240                         if (port->dvb.frontend != NULL) {
 241                                 dvb_attach(tda829x_attach, port->dvb.frontend,
 242                                            &dev->i2c_bus[1].i2c_adap, 0x42,
 243                                            NULL);
 244                         }
 245                         break;
 246                 case 0:
 247                 default:
 248                         port->dvb.frontend =
 249                                 dvb_attach(s5h1409_attach,
 250                                            &hauppauge_generic_config,
 251                                            &i2c_bus->i2c_adap);
 252                         if (port->dvb.frontend != NULL)
 253                                 dvb_attach(mt2131_attach, port->dvb.frontend,
 254                                            &i2c_bus->i2c_adap,
 255                                            &hauppauge_generic_tunerconfig, 0);
 256                         break;
 257                 }
 258                 break;
 259         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 260                 i2c_bus = &dev->i2c_bus[0];
 261                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 262                                                 &hauppauge_hvr1800lp_config,
 263                                                 &i2c_bus->i2c_adap);
 264                 if (port->dvb.frontend != NULL) {
 265                         dvb_attach(mt2131_attach, port->dvb.frontend,
 266                                    &i2c_bus->i2c_adap,
 267                                    &hauppauge_generic_tunerconfig, 0);
 268                 }
 269                 break;
 270         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 271                 i2c_bus = &dev->i2c_bus[0];
 272                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 273                                                 &fusionhdtv_5_express,
 274                                                 &i2c_bus->i2c_adap);
 275                 if (port->dvb.frontend != NULL) {
 276                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
 277                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
 278                 }
 279                 break;
 280         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 281                 i2c_bus = &dev->i2c_bus[1];
 282                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 283                                                 &hauppauge_hvr1500q_config,
 284                                                 &dev->i2c_bus[0].i2c_adap);
 285                 if (port->dvb.frontend != NULL) {
 286                         dvb_attach(xc5000_attach, port->dvb.frontend,
 287                                 &i2c_bus->i2c_adap,
 288                                 &hauppauge_hvr1500q_tunerconfig);
 289                 }
 290                 break;
 291         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 292                 i2c_bus = &dev->i2c_bus[1];
 293                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 294                                                 &hauppauge_hvr1500_config,
 295                                                 &dev->i2c_bus[0].i2c_adap);
 296                 if (port->dvb.frontend != NULL) {
 297                         struct dvb_frontend *fe;
 298                         struct xc2028_config cfg = {
 299                                 .i2c_adap  = &i2c_bus->i2c_adap,
 300                                 .i2c_addr  = 0x61,
 301                                 .video_dev = port,
 302                                 .callback  = cx23885_hvr1500_xc3028_callback,
 303                         };
 304                         static struct xc2028_ctrl ctl = {
 305                                 .fname       = "xc3028-v27.fw",
 306                                 .max_len     = 64,
 307                                 .scode_table = OREN538,
 308                         };
 309
 310                         fe = dvb_attach(xc2028_attach,
 311                                         port->dvb.frontend, &cfg);
 312                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 313                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 314                 }
 315                 break;
 316         default:
 317                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 318                        dev->name);
 319                 break;
 320         }
 321         if (NULL == port->dvb.frontend) {
 322                 printk("%s: frontend initialization failed\n", dev->name);
 323                 return -1;
 324         }
 325
 326         /* Put the analog decoder in standby to keep it quiet */
 327         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 328
 329         if (port->dvb.frontend->ops.analog_ops.standby)
 330                 port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
 331
 332         /* register everything */
 333         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 334                                      &dev->pci->dev);
 335 }
 336
 337 int cx23885_dvb_register(struct cx23885_tsport *port)
 338 {
 339         struct cx23885_dev *dev = port->dev;
 340         int err;
 341
 342         dprintk(1, "%s\n", __FUNCTION__);
 343         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 344                 dev->board,
 345                 dev->name,
 346                 dev->pci_bus,
 347                 dev->pci_slot);
 348
 349         err = -ENODEV;
 350
 351         /* dvb stuff */
 352         printk("%s: cx23885 based dvb card\n", dev->name);
 353         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 354                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 355                             sizeof(struct cx23885_buffer), port);
 356         err = dvb_register(port);
 357         if (err != 0)
 358                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 359
 360         return err;
 361 }
 362
 363 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 364 {
 365         /* dvb */
 366         if(port->dvb.frontend)
 367                 videobuf_dvb_unregister(&port->dvb);
 368
 369         return 0;
 370 }
 371
 372 /*
 373  * Local variables:
 374  * c-basic-offset: 8
 375  * End:
 376  * 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
 377 */