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 #include "tuner-xc2028.h"
  39 #include "tuner-xc2028-types.h"
  40
  41 static unsigned int debug = 0;
  42
  43 #define dprintk(level,fmt, arg...)      if (debug >= level) \
  44         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
  45
  46 /* ------------------------------------------------------------------ */
  47
  48 static int dvb_buf_setup(struct videobuf_queue *q,
  49                          unsigned int *count, unsigned int *size)
  50 {
  51         struct cx23885_tsport *port = q->priv_data;
  52
  53         port->ts_packet_size  = 188 * 4;
  54         port->ts_packet_count = 32;
  55
  56         *size  = port->ts_packet_size * port->ts_packet_count;
  57         *count = 32;
  58         return 0;
  59 }
  60
  61 static int dvb_buf_prepare(struct videobuf_queue *q,
  62                            struct videobuf_buffer *vb, enum v4l2_field field)
  63 {
  64         struct cx23885_tsport *port = q->priv_data;
  65         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
  66 }
  67
  68 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
  69 {
  70         struct cx23885_tsport *port = q->priv_data;
  71         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
  72 }
  73
  74 static void dvb_buf_release(struct videobuf_queue *q,
  75                             struct videobuf_buffer *vb)
  76 {
  77         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
  78 }
  79
  80 static int cx23885_request_firmware(struct dvb_frontend *fe,
  81         const struct firmware **fw, char *name)
  82 {
  83         struct cx23885_tsport *port = fe->dvb->priv;
  84         struct cx23885_dev *dev = port->dev;
  85
  86         dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
  87
  88         return request_firmware(fw, name, &dev->pci->dev);
  89 }
  90
  91 static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
  92 {
  93         struct cx23885_tsport *port = fe->dvb->priv;
  94         struct cx23885_dev *dev = port->dev;
  95
  96         dprintk(1, "%s()\n", __FUNCTION__);
  97
  98         /* Drive the tuner into reset back back */
  99         cx_clear(GP0_IO, 0x00000004);
 100         mdelay(200);
 101         cx_set(GP0_IO, 0x00000004);
 102
 103         return 0;
 104 }
 105
 106 static struct videobuf_queue_ops dvb_qops = {
 107         .buf_setup    = dvb_buf_setup,
 108         .buf_prepare  = dvb_buf_prepare,
 109         .buf_queue    = dvb_buf_queue,
 110         .buf_release  = dvb_buf_release,
 111 };
 112
 113 static struct s5h1409_config hauppauge_generic_config = {
 114         .demod_address = 0x32 >> 1,
 115         .output_mode   = S5H1409_SERIAL_OUTPUT,
 116         .gpio          = S5H1409_GPIO_ON,
 117         .qam_if        = 44000,
 118         .inversion     = S5H1409_INVERSION_OFF,
 119         .status_mode   = S5H1409_DEMODLOCKING
 120 };
 121
 122 static struct s5h1409_config hauppauge_hvr1800lp_config = {
 123         .demod_address = 0x32 >> 1,
 124         .output_mode   = S5H1409_SERIAL_OUTPUT,
 125         .gpio          = S5H1409_GPIO_OFF,
 126         .qam_if        = 44000,
 127         .inversion     = S5H1409_INVERSION_OFF,
 128         .status_mode   = S5H1409_DEMODLOCKING
 129 };
 130
 131 static struct s5h1409_config hauppauge_hvr1500_config = {
 132         .demod_address = 0x32 >> 1,
 133         .output_mode   = S5H1409_SERIAL_OUTPUT,
 134         .gpio          = S5H1409_GPIO_OFF,
 135         .inversion     = S5H1409_INVERSION_OFF,
 136         .status_mode   = S5H1409_DEMODLOCKING
 137 };
 138
 139 static struct mt2131_config hauppauge_generic_tunerconfig = {
 140         0x61
 141 };
 142
 143 static struct lgdt330x_config fusionhdtv_5_express = {
 144         .demod_address = 0x0e,
 145         .demod_chip = LGDT3303,
 146         .serial_mpeg = 0x40,
 147 };
 148
 149 static struct s5h1409_config hauppauge_hvr1500q_config = {
 150         .demod_address = 0x32 >> 1,
 151         .output_mode   = S5H1409_SERIAL_OUTPUT,
 152         .gpio          = S5H1409_GPIO_ON,
 153         .qam_if        = 44000,
 154         .inversion     = S5H1409_INVERSION_OFF,
 155         .status_mode   = S5H1409_DEMODLOCKING
 156 };
 157
 158 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
 159         .i2c_address      = 0x61,
 160         .if_khz           = 5380,
 161         .request_firmware = cx23885_request_firmware,
 162         .tuner_reset      = hauppauge_hvr1500q_tuner_reset
 163 };
 164
 165 static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
 166 {
 167         struct cx23885_tsport *port = ptr;
 168         struct cx23885_dev *dev = port->dev;
 169
 170         switch (command) {
 171         case XC2028_TUNER_RESET:
 172                 /* Send the tuner in then out of reset */
 173                 /* GPIO-2 xc3028 tuner */
 174                 dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
 175
 176                 cx_set(GP0_IO, 0x00040000);
 177                 cx_clear(GP0_IO, 0x00000004);
 178                 msleep(5);
 179
 180                 cx_set(GP0_IO, 0x00040004);
 181                 msleep(5);
 182                 break;
 183         case XC2028_RESET_CLK:
 184                 dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
 185                 break;
 186         default:
 187                 dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
 188                         command, arg);
 189                 return -EINVAL;
 190         }
 191
 192         return 0;
 193 }
 194
 195 static int dvb_register(struct cx23885_tsport *port)
 196 {
 197         struct cx23885_dev *dev = port->dev;
 198         struct cx23885_i2c *i2c_bus = NULL;
 199
 200         /* init struct videobuf_dvb */
 201         port->dvb.name = dev->name;
 202
 203         /* init frontend */
 204         switch (dev->board) {
 205         case CX23885_BOARD_HAUPPAUGE_HVR1250:
 206         case CX23885_BOARD_HAUPPAUGE_HVR1800:
 207                 i2c_bus = &dev->i2c_bus[0];
 208                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 209                                                 &hauppauge_generic_config,
 210                                                 &i2c_bus->i2c_adap);
 211                 if (port->dvb.frontend != NULL) {
 212                         dvb_attach(mt2131_attach, port->dvb.frontend,
 213                                    &i2c_bus->i2c_adap,
 214                                    &hauppauge_generic_tunerconfig, 0);
 215                 }
 216                 break;
 217         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 218                 i2c_bus = &dev->i2c_bus[0];
 219                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 220                                                 &hauppauge_hvr1800lp_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_DVICO_FUSIONHDTV_5_EXP:
 229                 i2c_bus = &dev->i2c_bus[0];
 230                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
 231                                                 &fusionhdtv_5_express,
 232                                                 &i2c_bus->i2c_adap);
 233                 if (port->dvb.frontend != NULL) {
 234                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
 235                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
 236                 }
 237                 break;
 238         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 239                 i2c_bus = &dev->i2c_bus[1];
 240                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 241                                                 &hauppauge_hvr1500q_config,
 242                                                 &dev->i2c_bus[0].i2c_adap);
 243                 if (port->dvb.frontend != NULL) {
 244                         dvb_attach(xc5000_attach, port->dvb.frontend,
 245                                 &i2c_bus->i2c_adap,
 246                                 &hauppauge_hvr1500q_tunerconfig);
 247                 }
 248                 break;
 249         case CX23885_BOARD_HAUPPAUGE_HVR1500:
 250                 i2c_bus = &dev->i2c_bus[1];
 251                 port->dvb.frontend = dvb_attach(s5h1409_attach,
 252                                                 &hauppauge_hvr1500_config,
 253                                                 &dev->i2c_bus[0].i2c_adap);
 254                 if (port->dvb.frontend != NULL) {
 255                         struct dvb_frontend *fe;
 256                         struct xc2028_config cfg = {
 257                                 .i2c_adap  = &i2c_bus->i2c_adap,
 258                                 .i2c_addr  = 0x61,
 259                                 .video_dev = port,
 260                                 .callback  = cx23885_hvr1500_xc3028_callback,
 261                         };
 262                         static struct xc2028_ctrl ctl = {
 263                                 .fname       = "xc3028-v27.fw",
 264                                 .max_len     = 64,
 265                                 .scode_table = OREN538,
 266                         };
 267
 268                         fe = dvb_attach(xc2028_attach,
 269                                         port->dvb.frontend, &cfg);
 270                         if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 271                                 fe->ops.tuner_ops.set_config(fe, &ctl);
 272                 }
 273                 break;
 274         default:
 275                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
 276                        dev->name);
 277                 break;
 278         }
 279         if (NULL == port->dvb.frontend) {
 280                 printk("%s: frontend initialization failed\n", dev->name);
 281                 return -1;
 282         }
 283
 284         /* Put the analog decoder in standby to keep it quiet */
 285         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 286
 287         /* register everything */
 288         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
 289                                      &dev->pci->dev);
 290 }
 291
 292 int cx23885_dvb_register(struct cx23885_tsport *port)
 293 {
 294         struct cx23885_dev *dev = port->dev;
 295         int err;
 296
 297         dprintk(1, "%s\n", __FUNCTION__);
 298         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 299                 dev->board,
 300                 dev->name,
 301                 dev->pci_bus,
 302                 dev->pci_slot);
 303
 304         err = -ENODEV;
 305
 306         /* dvb stuff */
 307         printk("%s: cx23885 based dvb card\n", dev->name);
 308         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
 309                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 310                             sizeof(struct cx23885_buffer), port);
 311         err = dvb_register(port);
 312         if (err != 0)
 313                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
 314
 315         return err;
 316 }
 317
 318 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 319 {
 320         /* dvb */
 321         if(port->dvb.frontend)
 322                 videobuf_dvb_unregister(&port->dvb);
 323
 324         return 0;
 325 }
 326
 327 /*
 328  * Local variables:
 329  * c-basic-offset: 8
 330  * End:
 331  * 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
 332 */