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;
  44
  45 #define dprintk(level, fmt, arg...)\
  46         do { if (debug >= level)\
  47                 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
  48         } while (0)
  49
  50 /* ------------------------------------------------------------------ */
  51
  52 static unsigned int alt_tuner;
  53 module_param(alt_tuner, int, 0644);
  54 MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
  55
  56 /* ------------------------------------------------------------------ */
  57
  58 static int dvb_buf_setup(struct videobuf_queue *q,
  59                          unsigned int *count, unsigned int *size)
  60 {
  61         struct cx23885_tsport *port = q->priv_data;
  62
  63         port->ts_packet_size  = 188 * 4;
  64         port->ts_packet_count = 32;
  65
  66         *size  = port->ts_packet_size * port->ts_packet_count;
  67         *count = 32;
  68         return 0;
  69 }
  70
  71 static int dvb_buf_prepare(struct videobuf_queue *q,
  72                            struct videobuf_buffer *vb, enum v4l2_field field)
  73 {
  74         struct cx23885_tsport *port = q->priv_data;
  75         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  76 }
  77
  78 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  79 {
  80         struct cx23885_tsport *port = q->priv_data;
  81         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  82 }
  83
  84 static void dvb_buf_release(struct videobuf_queue *q,
  85                             struct videobuf_buffer *vb)
  86 {
  87         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  88 }
  89
  90 static struct videobuf_queue_ops dvb_qops = {
  91         .buf_setup    = dvb_buf_setup,
  92         .buf_prepare  = dvb_buf_prepare,
  93         .buf_queue    = dvb_buf_queue,
  94         .buf_release  = dvb_buf_release,
  95 };
  96
  97 static struct s5h1409_config hauppauge_generic_config = {
  98         .demod_address = 0x32 >> 1,
  99         .output_mode   = S5H1409_SERIAL_OUTPUT,
 100         .gpio          = S5H1409_GPIO_ON,
 101         .qam_if        = 44000,
 102         .inversion     = S5H1409_INVERSION_OFF,
 103         .status_mode   = S5H1409_DEMODLOCKING,
 104         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 105 };
 106
 107 static struct s5h1409_config hauppauge_ezqam_config = {
 108         .demod_address = 0x32 >> 1,
 109         .output_mode   = S5H1409_SERIAL_OUTPUT,
 110         .gpio          = S5H1409_GPIO_OFF,
 111         .qam_if        = 4000,
 112         .inversion     = S5H1409_INVERSION_ON,
 113         .status_mode   = S5H1409_DEMODLOCKING,
 114         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 115 };
 116
 117 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 118         .demod_address = 0x32 >> 1,
 119         .output_mode   = S5H1409_SERIAL_OUTPUT,
 120         .gpio          = S5H1409_GPIO_OFF,
 121         .qam_if        = 44000,
 122         .inversion     = S5H1409_INVERSION_OFF,
 123         .status_mode   = S5H1409_DEMODLOCKING,
 124         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 125 };
 126
 127 static struct s5h1409_config hauppauge_hvr1500_config = {
 128         .demod_address = 0x32 >> 1,
 129         .output_mode   = S5H1409_SERIAL_OUTPUT,
 130         .gpio          = S5H1409_GPIO_OFF,
 131         .inversion     = S5H1409_INVERSION_OFF,
 132         .status_mode   = S5H1409_DEMODLOCKING,
 133         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 134 };
 135
 136 static struct mt2131_config hauppauge_generic_tunerconfig = {
 137         0x61
 138 };
 139
 140 static struct lgdt330x_config fusionhdtv_5_express = {
 141         .demod_address = 0x0e,
 142         .demod_chip = LGDT3303,
 143         .serial_mpeg = 0x40,
 144 };
 145
 146 static struct s5h1409_config hauppauge_hvr1500q_config = {
 147         .demod_address = 0x32 >> 1,
 148         .output_mode   = S5H1409_SERIAL_OUTPUT,
 149         .gpio          = S5H1409_GPIO_ON,
 150         .qam_if        = 44000,
 151         .inversion     = S5H1409_INVERSION_OFF,
 152         .status_mode   = S5H1409_DEMODLOCKING,
 153         .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 154 };
 155
 156 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 157         .i2c_address      = 0x61,
 158         .if_khz           = 5380,
 159         /* cannot set .video_dev here, do it before attach. */
 160         .tuner_callback   = cx23885_tuner_callback
 161 };
 162
 163 static struct tda829x_config tda829x_no_probe = {
 164         .probe_tuner = TDA829X_DONT_PROBE,
 165 };
 166
 167 static struct tda18271_std_map hauppauge_tda18271_std_map = {
 168         .atsc_6   = { .if_freq = 5380, .std_bits = 0x1b },
 169         .qam_6    = { .if_freq = 4000, .std_bits = 0x18 },
 170 };
 171
 172 static struct tda18271_config hauppauge_tda18271_config = {
 173         .std_map = &hauppauge_tda18271_std_map,
 174         .gate    = TDA18271_GATE_ANALOG,
 175 };
 176
 177 static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
 178 {
 179         struct cx23885_tsport *port = ptr;
 180         struct cx23885_dev *dev = port->dev;
 181
 182         switch (command) {
 183         case XC2028_TUNER_RESET:
 184                 /* Send the tuner in then out of reset */
 185                 /* GPIO-2 xc3028 tuner */
 186                 dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
 187
 188                 cx_set(GP0_IO, 0x00040000);
 189                 cx_clear(GP0_IO, 0x00000004);
 190                 msleep(5);
 191
 192                 cx_set(GP0_IO, 0x00040004);
 193                 msleep(5);
 194                 break;
 195         case XC2028_RESET_CLK:
 196                 dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
 197                 break;
 198         default:
 199                 dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
 200                         command, arg);
 201                 return -EINVAL;
 202         }
 203
 204         return 0;
 205 }
 206
 207 static int dvb_register(struct cx23885_tsport *port)
 208 {
 209         struct cx23885_dev *dev = port->dev;
 210         struct cx23885_i2c *i2c_bus = NULL;
 211
 212         /* init struct videobuf_dvb */
 213         port->dvb.name = dev->name;
 214
 215         /* init frontend */
 216         switch (dev->board) {
 217         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 218                 i2c_bus = &dev->i2c_bus[0];
 219                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 220                                                 &hauppauge_generic_config,
 221                                                 &i2c_bus->i2c_adap);
 222                 if (port->dvb.frontend != NULL) {
 223                         dvb_attach(mt2131_attach, port->dvb.frontend,
 224                                    &i2c_bus->i2c_adap,
 225                                    &hauppauge_generic_tunerconfig, 0);
 226                 }
 227                 break;
 228         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 229                 i2c_bus = &dev->i2c_bus[0];
 230                 switch (alt_tuner) {
 231                 case 1:
 232                         port->dvb.frontend =
 233                                 dvb_attach(s5h1409_attach,
 234                                            &hauppauge_ezqam_config,
 235                                            &i2c_bus->i2c_adap);
 236                         if (port->dvb.frontend != NULL) {
 237                                 dvb_attach(tda829x_attach, port->dvb.frontend,
 238                                            &dev->i2c_bus[1].i2c_adap, 0x42,
 239                                            &tda829x_no_probe);
 240                                 dvb_attach(tda18271_attach, port->dvb.frontend,
 241                                            0x60, &dev->i2c_bus[1].i2c_adap,
 242                                            &hauppauge_tda18271_config);
 243                         }
 244                         break;
 245                 case 0:
 246                 default:
 247                         port->dvb.frontend =
 248                                 dvb_attach(s5h1409_attach,
 249                                            &hauppauge_generic_config,
 250                                            &i2c_bus->i2c_adap);
 251                         if (port->dvb.frontend != NULL)
 252                                 dvb_attach(mt2131_attach, port->dvb.frontend,
 253                                            &i2c_bus->i2c_adap,
 254                                            &hauppauge_generic_tunerconfig, 0);
 255                         break;
 256                 }
 257                 break;
 258         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 259                 i2c_bus = &dev->i2c_bus[0];
 260                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 261                                                 &hauppauge_hvr1800lp_config,
 262                                                 &i2c_bus->i2c_adap);
 263                 if (port->dvb.frontend != NULL) {
 264                         dvb_attach(mt2131_attach, port->dvb.frontend,
 265                                    &i2c_bus->i2c_adap,
 266                                    &hauppauge_generic_tunerconfig, 0);
 267                 }
 268                 break;
 269         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 270                 i2c_bus = &dev->i2c_bus[0];
 271                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 272                                                 &fusionhdtv_5_express,
 273                                                 &i2c_bus->i2c_adap);
 274                 if (port->dvb.frontend != NULL) {
 275                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
 276                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
 277                 }
 278                 break;
 279         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 280                 i2c_bus = &dev->i2c_bus[1];
 281                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 282                                                 &hauppauge_hvr1500q_config,
 283                                                 &dev->i2c_bus[0].i2c_adap);
 284                 if (port->dvb.frontend != NULL) {
 285                         /* tunerconfig.video_dev must point to
 286                          * i2c_adap.algo_data
 287                          */
 288                         hauppauge_hvr1500q_tunerconfig.video_dev =
 289                                 i2c_bus->i2c_adap.algo_data;
 290                         dvb_attach(xc5000_attach, port->dvb.frontend,
 291                                 &i2c_bus->i2c_adap,
 292                                 &hauppauge_hvr1500q_tunerconfig);
 293                 }
 294                 break;
 295         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 296                 i2c_bus = &dev->i2c_bus[1];
 297                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 298                                                 &hauppauge_hvr1500_config,
 299                                                 &dev->i2c_bus[0].i2c_adap);
 300                 if (port->dvb.frontend != NULL) {
 301                         struct dvb_frontend *fe;
 302                         struct xc2028_config cfg = {
 303                                 .i2c_adap  = &i2c_bus->i2c_adap,
 304                                 .i2c_addr  = 0x61,
 305                                 .video_dev = port,
 306                                 .callback  = cx23885_hvr1500_xc3028_callback,
 307                         };
 308                         static struct xc2028_ctrl ctl = {
 309                                 .fname       = "xc3028-v27.fw",
 310                                 .max_len     = 64,
 311                                 .scode_table = OREN538,
 312                         };
 313
 314                         fe = dvb_attach(xc2028_attach,
 315                                         port->dvb.frontend, &cfg);
 316                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 317                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 318                 }
 319                 break;
 320         default:
 321                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 322                        dev->name);
 323                 break;
 324         }
 325         if (NULL == port->dvb.frontend) {
 326                 printk("%s: frontend initialization failed\n", dev->name);
 327                 return -1;
 328         }
 329
 330         /* Put the analog decoder in standby to keep it quiet */
 331         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 332
 333         if (port->dvb.frontend->ops.analog_ops.standby)
 334                 port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
 335
 336         /* register everything */
 337         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 338                                      &dev->pci->dev);
 339 }
 340
 341 int cx23885_dvb_register(struct cx23885_tsport *port)
 342 {
 343         struct cx23885_dev *dev = port->dev;
 344         int err;
 345
 346         dprintk(1, "%s\n", __FUNCTION__);
 347         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 348                 dev->board,
 349                 dev->name,
 350                 dev->pci_bus,
 351                 dev->pci_slot);
 352
 353         err = -ENODEV;
 354
 355         /* dvb stuff */
 356         printk("%s: cx23885 based dvb card\n", dev->name);
 357         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 358                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 359                             sizeof(struct cx23885_buffer), port);
 360         err = dvb_register(port);
 361         if (err != 0)
 362                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 363
 364         return err;
 365 }
 366
 367 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 368 {
 369         /* dvb */
 370         if(port->dvb.frontend)
 371                 videobuf_dvb_unregister(&port->dvb);
 372
 373         return 0;
 374 }
 375
 376 /*
 377  * Local variables:
 378  * c-basic-offset: 8
 379  * End:
 380  * 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
 381 */