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 "tda18271.h"
  37 #include "lgdt330x.h"
  38 #include "xc5000.h"
  39 #include "dvb-pll.h"
  40 #include "tuner-xc2028.h"
  41 #include "tuner-xc2028-types.h"
  42
  43 static unsigned int debug = 0;
  44
  45 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  46         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
  47
  48 /* ------------------------------------------------------------------ */
  49
  50 static unsigned int alt_tuner;
  51 module_param(alt_tuner, int, 0644);
  52 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
  53
  54 /* ------------------------------------------------------------------ */
  55
  56 static int dvb_buf_setup(struct videobuf_queue *q,
  57                          unsigned int *count, unsigned int *size)
  58 {
  59         struct cx23885_tsport *port = q->priv_data;
  60
  61         port->ts_packet_size  = 188 * 4;
  62         port->ts_packet_count = 32;
  63
  64         *size  = port->ts_packet_size * port->ts_packet_count;
  65         *count = 32;
  66         return 0;
  67 }
  68
  69 static int dvb_buf_prepare(struct videobuf_queue *q,
  70                            struct videobuf_buffer *vb, enum v4l2_field field)
  71 {
  72         struct cx23885_tsport *port = q->priv_data;
  73         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  74 }
  75
  76 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  77 {
  78         struct cx23885_tsport *port = q->priv_data;
  79         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  80 }
  81
  82 static void dvb_buf_release(struct videobuf_queue *q,
  83                             struct videobuf_buffer *vb)
  84 {
  85         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  86 }
  87
  88 static int cx23885_request_firmware(struct dvb_frontend *fe,
  89         const struct firmware **fw, char *name)
  90 {
  91         struct cx23885_tsport *port = fe->dvb->priv;
  92         struct cx23885_dev *dev = port->dev;
  93
  94         dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
  95
  96         return request_firmware(fw, name, &dev->pci->dev);
  97 }
  98
  99 static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
 100 {
 101         struct cx23885_tsport *port = fe->dvb->priv;
 102         struct cx23885_dev *dev = port->dev;
 103
 104         dprintk(1, "%s()\n", __FUNCTION__);
 105
 106         /* Drive the tuner into reset back back */
 107         cx_clear(GP0_IO, 0x00000004);
 108         mdelay(200);
 109         cx_set(GP0_IO, 0x00000004);
 110
 111         return 0;
 112 }
 113
 114 static struct videobuf_queue_ops dvb_qops = {
 115         .buf_setup    = dvb_buf_setup,
 116         .buf_prepare  = dvb_buf_prepare,
 117         .buf_queue    = dvb_buf_queue,
 118         .buf_release  = dvb_buf_release,
 119 };
 120
 121 static struct s5h1409_config hauppauge_generic_config = {
 122         .demod_address = 0x32 >> 1,
 123         .output_mode   = S5H1409_SERIAL_OUTPUT,
 124         .gpio          = S5H1409_GPIO_ON,
 125         .qam_if        = 44000,
 126         .inversion     = S5H1409_INVERSION_OFF,
 127         .status_mode   = S5H1409_DEMODLOCKING
 128 };
 129
 130 static struct s5h1409_config hauppauge_ezqam_config = {
 131         .demod_address = 0x32 >> 1,
 132         .output_mode   = S5H1409_SERIAL_OUTPUT,
 133         .gpio          = S5H1409_GPIO_OFF,
 134         .qam_if        = 4000,
 135         .inversion     = S5H1409_INVERSION_ON,
 136         .status_mode   = S5H1409_DEMODLOCKING
 137 };
 138
 139 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 140         .demod_address = 0x32 >> 1,
 141         .output_mode   = S5H1409_SERIAL_OUTPUT,
 142         .gpio          = S5H1409_GPIO_OFF,
 143         .qam_if        = 44000,
 144         .inversion     = S5H1409_INVERSION_OFF,
 145         .status_mode   = S5H1409_DEMODLOCKING
 146 };
 147
 148 static struct s5h1409_config hauppauge_hvr1500_config = {
 149         .demod_address = 0x32 >> 1,
 150         .output_mode   = S5H1409_SERIAL_OUTPUT,
 151         .gpio          = S5H1409_GPIO_OFF,
 152         .inversion     = S5H1409_INVERSION_OFF,
 153         .status_mode   = S5H1409_DEMODLOCKING
 154 };
 155
 156 static struct mt2131_config hauppauge_generic_tunerconfig = {
 157         0x61
 158 };
 159
 160 static struct lgdt330x_config fusionhdtv_5_express = {
 161         .demod_address = 0x0e,
 162         .demod_chip = LGDT3303,
 163         .serial_mpeg = 0x40,
 164 };
 165
 166 static struct s5h1409_config hauppauge_hvr1500q_config = {
 167         .demod_address = 0x32 >> 1,
 168         .output_mode   = S5H1409_SERIAL_OUTPUT,
 169         .gpio          = S5H1409_GPIO_ON,
 170         .qam_if        = 44000,
 171         .inversion     = S5H1409_INVERSION_OFF,
 172         .status_mode   = S5H1409_DEMODLOCKING
 173 };
 174
 175 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 176         .i2c_address      = 0x61,
 177         .if_khz           = 5380,
 178         .request_firmware = cx23885_request_firmware,
 179         .tuner_reset      = hauppauge_hvr1500q_tuner_reset
 180 };
 181
 182 static struct tda829x_config tda829x_no_probe = {
 183         .probe_tuner = TDA829X_DONT_PROBE,
 184 };
 185
 186 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 187         .atsc_6   = { .if_freq = 5380000, .std_bits = 0x1b },
 188         .qam_6    = { .if_freq = 4000000, .std_bits = 0x18 },
 189 };
 190
 191 static struct tda18271_config hauppauge_tda18271_config = {
 192         .std_map = &hauppauge_tda18271_std_map,
 193         .gate    = TDA18271_GATE_ANALOG,
 194 };
 195
 196 static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
 197 {
 198         struct cx23885_tsport *port = ptr;
 199         struct cx23885_dev *dev = port->dev;
 200
 201         switch (command) {
 202         case XC2028_TUNER_RESET:
 203                 /* Send the tuner in then out of reset */
 204                 /* GPIO-2 xc3028 tuner */
 205                 dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
 206
 207                 cx_set(GP0_IO, 0x00040000);
 208                 cx_clear(GP0_IO, 0x00000004);
 209                 msleep(5);
 210
 211                 cx_set(GP0_IO, 0x00040004);
 212                 msleep(5);
 213                 break;
 214         case XC2028_RESET_CLK:
 215                 dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
 216                 break;
 217         default:
 218                 dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
 219                         command, arg);
 220                 return -EINVAL;
 221         }
 222
 223         return 0;
 224 }
 225
 226 static int dvb_register(struct cx23885_tsport *port)
 227 {
 228         struct cx23885_dev *dev = port->dev;
 229         struct cx23885_i2c *i2c_bus = NULL;
 230
 231         /* init struct videobuf_dvb */
 232         port->dvb.name = dev->name;
 233
 234         /* init frontend */
 235         switch (dev->board) {
 236         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 237                 i2c_bus = &dev->i2c_bus[0];
 238                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 239                                                 &hauppauge_generic_config,
 240                                                 &i2c_bus->i2c_adap);
 241                 if (port->dvb.frontend != NULL) {
 242                         dvb_attach(mt2131_attach, port->dvb.frontend,
 243                                    &i2c_bus->i2c_adap,
 244                                    &hauppauge_generic_tunerconfig, 0);
 245                 }
 246                 break;
 247         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 248                 i2c_bus = &dev->i2c_bus[0];
 249                 switch (alt_tuner) {
 250                 case 1:
 251                         port->dvb.frontend =
 252                                 dvb_attach(s5h1409_attach,
 253                                            &hauppauge_ezqam_config,
 254                                            &i2c_bus->i2c_adap);
 255                         if (port->dvb.frontend != NULL) {
 256                                 dvb_attach(tda829x_attach, port->dvb.frontend,
 257                                            &dev->i2c_bus[1].i2c_adap, 0x42,
 258                                            &tda829x_no_probe);
 259                                 dvb_attach(tda18271_attach, port->dvb.frontend,
 260                                            0x60, &dev->i2c_bus[1].i2c_adap,
 261                                            &hauppauge_tda18271_config);
 262                         }
 263                         break;
 264                 case 0:
 265                 default:
 266                         port->dvb.frontend =
 267                                 dvb_attach(s5h1409_attach,
 268                                            &hauppauge_generic_config,
 269                                            &i2c_bus->i2c_adap);
 270                         if (port->dvb.frontend != NULL)
 271                                 dvb_attach(mt2131_attach, port->dvb.frontend,
 272                                            &i2c_bus->i2c_adap,
 273                                            &hauppauge_generic_tunerconfig, 0);
 274                         break;
 275                 }
 276                 break;
 277         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 278                 i2c_bus = &dev->i2c_bus[0];
 279                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 280                                                 &hauppauge_hvr1800lp_config,
 281                                                 &i2c_bus->i2c_adap);
 282                 if (port->dvb.frontend != NULL) {
 283                         dvb_attach(mt2131_attach, port->dvb.frontend,
 284                                    &i2c_bus->i2c_adap,
 285                                    &hauppauge_generic_tunerconfig, 0);
 286                 }
 287                 break;
 288         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 289                 i2c_bus = &dev->i2c_bus[0];
 290                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 291                                                 &fusionhdtv_5_express,
 292                                                 &i2c_bus->i2c_adap);
 293                 if (port->dvb.frontend != NULL) {
 294                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
 295                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
 296                 }
 297                 break;
 298         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 299                 i2c_bus = &dev->i2c_bus[1];
 300                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 301                                                 &hauppauge_hvr1500q_config,
 302                                                 &dev->i2c_bus[0].i2c_adap);
 303                 if (port->dvb.frontend != NULL) {
 304                         dvb_attach(xc5000_attach, port->dvb.frontend,
 305                                 &i2c_bus->i2c_adap,
 306                                 &hauppauge_hvr1500q_tunerconfig);
 307                 }
 308                 break;
 309         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 310                 i2c_bus = &dev->i2c_bus[1];
 311                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 312                                                 &hauppauge_hvr1500_config,
 313                                                 &dev->i2c_bus[0].i2c_adap);
 314                 if (port->dvb.frontend != NULL) {
 315                         struct dvb_frontend *fe;
 316                         struct xc2028_config cfg = {
 317                                 .i2c_adap  = &i2c_bus->i2c_adap,
 318                                 .i2c_addr  = 0x61,
 319                                 .video_dev = port,
 320                                 .callback  = cx23885_hvr1500_xc3028_callback,
 321                         };
 322                         static struct xc2028_ctrl ctl = {
 323                                 .fname       = "xc3028-v27.fw",
 324                                 .max_len     = 64,
 325                                 .scode_table = OREN538,
 326                         };
 327
 328                         fe = dvb_attach(xc2028_attach,
 329                                         port->dvb.frontend, &cfg);
 330                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 331                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 332                 }
 333                 break;
 334         default:
 335                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 336                        dev->name);
 337                 break;
 338         }
 339         if (NULL == port->dvb.frontend) {
 340                 printk("%s: frontend initialization failed\n", dev->name);
 341                 return -1;
 342         }
 343
 344         /* Put the analog decoder in standby to keep it quiet */
 345         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 346
 347         if (port->dvb.frontend->ops.analog_ops.standby)
 348                 port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
 349
 350         /* register everything */
 351         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 352                                      &dev->pci->dev);
 353 }
 354
 355 int cx23885_dvb_register(struct cx23885_tsport *port)
 356 {
 357         struct cx23885_dev *dev = port->dev;
 358         int err;
 359
 360         dprintk(1, "%s\n", __FUNCTION__);
 361         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 362                 dev->board,
 363                 dev->name,
 364                 dev->pci_bus,
 365                 dev->pci_slot);
 366
 367         err = -ENODEV;
 368
 369         /* dvb stuff */
 370         printk("%s: cx23885 based dvb card\n", dev->name);
 371         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 372                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 373                             sizeof(struct cx23885_buffer), port);
 374         err = dvb_register(port);
 375         if (err != 0)
 376                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 377
 378         return err;
 379 }
 380
 381 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 382 {
 383         /* dvb */
 384         if(port->dvb.frontend)
 385                 videobuf_dvb_unregister(&port->dvb);
 386
 387         return 0;
 388 }
 389
 390 /*
 391  * Local variables:
 392  * c-basic-offset: 8
 393  * End:
 394  * 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
 395 */