1/* 2 mxb - v4l2 driver for the Multimedia eXtension Board 3 4 Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de> 5 6 Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html 7 for further details about this card. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22*/ 23 24#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 25 26#define DEBUG_VARIABLE debug 27 28#include <media/saa7146_vv.h> 29#include <media/tuner.h> 30#include <media/v4l2-common.h> 31#include <media/saa7115.h> 32#include <linux/module.h> 33 34#include "mxb.h" 35#include "tea6415c.h" 36#include "tea6420.h" 37 38#define I2C_SAA7111A 0x24 39#define I2C_TDA9840 0x42 40#define I2C_TEA6415C 0x43 41#define I2C_TEA6420_1 0x4c 42#define I2C_TEA6420_2 0x4d 43#define I2C_TUNER 0x60 44 45#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0) 46 47/* global variable */ 48static int mxb_num; 49 50/* initial frequence the tuner will be tuned to. 51 in verden (lower saxony, germany) 4148 is a 52 channel called "phoenix" */ 53static int freq = 4148; 54module_param(freq, int, 0644); 55MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup"); 56 57static int debug; 58module_param(debug, int, 0644); 59MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); 60 61#define MXB_INPUTS 4 62enum { TUNER, AUX1, AUX3, AUX3_YC }; 63 64static struct v4l2_input mxb_inputs[MXB_INPUTS] = { 65 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, 66 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, 67 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, 68 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, 69}; 70 71/* this array holds the information, which port of the saa7146 each 72 input actually uses. the mxb uses port 0 for every input */ 73static struct { 74 int hps_source; 75 int hps_sync; 76} input_port_selection[MXB_INPUTS] = { 77 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, 78 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, 79 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, 80 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, 81}; 82 83/* this array holds the information of the audio source (mxb_audios), 84 which has to be switched corresponding to the video source (mxb_channels) */ 85static int video_audio_connect[MXB_INPUTS] = 86 { 0, 1, 3, 3 }; 87 88struct mxb_routing { 89 u32 input; 90 u32 output; 91}; 92 93/* These are the necessary input-output-pins for bringing one audio source 94 (see above) to the CD-output. Note that gain is set to 0 in this table. */ 95static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = { 96 { { 1, 1 }, { 1, 1 } }, /* Tuner */ 97 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */ 98 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */ 99 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */ 100 { { 1, 1 }, { 3, 1 } }, /* Radio */ 101 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */ 102 { { 6, 1 }, { 6, 1 } } /* Mute */ 103}; 104 105/* These are the necessary input-output-pins for bringing one audio source 106 (see above) to the line-output. Note that gain is set to 0 in this table. */ 107static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = { 108 { { 2, 3 }, { 1, 2 } }, 109 { { 5, 3 }, { 6, 2 } }, 110 { { 4, 3 }, { 6, 2 } }, 111 { { 3, 3 }, { 6, 2 } }, 112 { { 2, 3 }, { 3, 2 } }, 113 { { 2, 3 }, { 2, 2 } }, 114 { { 6, 3 }, { 6, 2 } } /* Mute */ 115}; 116 117#define MAXCONTROLS 1 118static struct v4l2_queryctrl mxb_controls[] = { 119 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 }, 120}; 121 122struct mxb 123{ 124 struct video_device *video_dev; 125 struct video_device *vbi_dev; 126 127 struct i2c_adapter i2c_adapter; 128 129 struct v4l2_subdev *saa7111a; 130 struct v4l2_subdev *tda9840; 131 struct v4l2_subdev *tea6415c; 132 struct v4l2_subdev *tuner; 133 struct v4l2_subdev *tea6420_1; 134 struct v4l2_subdev *tea6420_2; 135 136 int cur_mode; /* current audio mode (mono, stereo, ...) */ 137 int cur_input; /* current input */ 138 int cur_mute; /* current mute status */ 139 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */ 140}; 141 142#define saa7111a_call(mxb, o, f, args...) \ 143 v4l2_subdev_call(mxb->saa7111a, o, f, ##args) 144#define tda9840_call(mxb, o, f, args...) \ 145 v4l2_subdev_call(mxb->tda9840, o, f, ##args) 146#define tea6415c_call(mxb, o, f, args...) \ 147 v4l2_subdev_call(mxb->tea6415c, o, f, ##args) 148#define tuner_call(mxb, o, f, args...) \ 149 v4l2_subdev_call(mxb->tuner, o, f, ##args) 150#define call_all(dev, o, f, args...) \ 151 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args) 152 153static inline void tea6420_route_cd(struct mxb *mxb, int idx) 154{ 155 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, 156 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0); 157 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, 158 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0); 159} 160 161static inline void tea6420_route_line(struct mxb *mxb, int idx) 162{ 163 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, 164 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0); 165 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, 166 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0); 167} 168 169static struct saa7146_extension extension; 170 171static int mxb_probe(struct saa7146_dev *dev) 172{ 173 struct mxb *mxb = NULL; 174 175 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL); 176 if (mxb == NULL) { 177 DEB_D("not enough kernel memory\n"); 178 return -ENOMEM; 179 } 180 181 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num); 182 183 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); 184 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) { 185 DEB_S("cannot register i2c-device. skipping.\n"); 186 kfree(mxb); 187 return -EFAULT; 188 } 189 190 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 191 "saa7111", I2C_SAA7111A, NULL); 192 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 193 "tea6420", I2C_TEA6420_1, NULL); 194 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 195 "tea6420", I2C_TEA6420_2, NULL); 196 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 197 "tea6415c", I2C_TEA6415C, NULL); 198 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 199 "tda9840", I2C_TDA9840, NULL); 200 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, 201 "tuner", I2C_TUNER, NULL); 202 203 /* check if all devices are present */ 204 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c || 205 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) { 206 pr_err("did not find all i2c devices. aborting\n"); 207 i2c_del_adapter(&mxb->i2c_adapter); 208 kfree(mxb); 209 return -ENODEV; 210 } 211 212 /* all devices are present, probe was successful */ 213 214 /* we store the pointer in our private data field */ 215 dev->ext_priv = mxb; 216 217 return 0; 218} 219 220/* some init data for the saa7740, the so-called 'sound arena module'. 221 there are no specs available, so we simply use some init values */ 222static struct { 223 int length; 224 char data[9]; 225} mxb_saa7740_init[] = { 226 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } }, 227 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } }, 228 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } }, 229 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } }, 230 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } }, 231 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } }, 232 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } }, 233 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } }, 234 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } }, 235 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } }, 236 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } }, 237 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } }, 238 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } }, 239 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } }, 240 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } }, 241 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } }, 242 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } }, 243 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } }, 244 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } }, 245 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } }, 246 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } }, 247 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } }, 248 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } }, 249 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } }, 250 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } }, 251 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } }, 252 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } }, 253 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } }, 254 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } }, 255 { 3, { 0x48, 0x00, 0x01 } }, 256 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, 257 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, 258 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, 259 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, 260 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, 261 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, 262 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, 263 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, 264 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, 265 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, 266 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, 267 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, 268 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, 269 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, 270 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, 271 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, 272 { 3, { 0x80, 0xb3, 0x0a } }, 273 {-1, { 0 } } 274}; 275 276/* bring hardware to a sane state. this has to be done, just in case someone 277 wants to capture from this device before it has been properly initialized. 278 the capture engine would badly fail, because no valid signal arrives on the 279 saa7146, thus leading to timeouts and stuff. */ 280static int mxb_init_done(struct saa7146_dev* dev) 281{ 282 struct mxb* mxb = (struct mxb*)dev->ext_priv; 283 struct i2c_msg msg; 284 struct tuner_setup tun_setup; 285 v4l2_std_id std = V4L2_STD_PAL_BG; 286 287 int i = 0, err = 0; 288 289 /* select video mode in saa7111a */ 290 saa7111a_call(mxb, core, s_std, std); 291 292 /* select tuner-output on saa7111a */ 293 i = 0; 294 saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0, 295 SAA7111_FMT_CCIR, 0); 296 297 /* select a tuner type */ 298 tun_setup.mode_mask = T_ANALOG_TV; 299 tun_setup.addr = ADDR_UNSET; 300 tun_setup.type = TUNER_PHILIPS_PAL; 301 tuner_call(mxb, tuner, s_type_addr, &tun_setup); 302 /* tune in some frequency on tuner */ 303 mxb->cur_freq.tuner = 0; 304 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV; 305 mxb->cur_freq.frequency = freq; 306 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq); 307 308 /* set a default video standard */ 309 tuner_call(mxb, core, s_std, std); 310 311 /* mute audio on tea6420s */ 312 tea6420_route_line(mxb, 6); 313 tea6420_route_cd(mxb, 6); 314 315 /* switch to tuner-channel on tea6415c */ 316 tea6415c_call(mxb, video, s_routing, 3, 17, 0); 317 318 /* select tuner-output on multicable on tea6415c */ 319 tea6415c_call(mxb, video, s_routing, 3, 13, 0); 320 321 /* the rest for mxb */ 322 mxb->cur_input = 0; 323 mxb->cur_mute = 1; 324 325 mxb->cur_mode = V4L2_TUNER_MODE_STEREO; 326 327 /* check if the saa7740 (aka 'sound arena module') is present 328 on the mxb. if so, we must initialize it. due to lack of 329 informations about the saa7740, the values were reverse 330 engineered. */ 331 msg.addr = 0x1b; 332 msg.flags = 0; 333 msg.len = mxb_saa7740_init[0].length; 334 msg.buf = &mxb_saa7740_init[0].data[0]; 335 336 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); 337 if (err == 1) { 338 /* the sound arena module is a pos, that's probably the reason 339 philips refuses to hand out a datasheet for the saa7740... 340 it seems to screw up the i2c bus, so we disable fast irq 341 based i2c transactions here and rely on the slow and safe 342 polling method ... */ 343 extension.flags &= ~SAA7146_USE_I2C_IRQ; 344 for (i = 1; ; i++) { 345 if (-1 == mxb_saa7740_init[i].length) 346 break; 347 348 msg.len = mxb_saa7740_init[i].length; 349 msg.buf = &mxb_saa7740_init[i].data[0]; 350 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); 351 if (err != 1) { 352 DEB_D("failed to initialize 'sound arena module'\n"); 353 goto err; 354 } 355 } 356 pr_info("'sound arena module' detected\n"); 357 } 358err: 359 /* the rest for saa7146: you should definitely set some basic values 360 for the input-port handling of the saa7146. */ 361 362 /* ext->saa has been filled by the core driver */ 363 364 /* some stuff is done via variables */ 365 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, 366 input_port_selection[mxb->cur_input].hps_sync); 367 368 /* some stuff is done via direct write to the registers */ 369 370 /* this is ugly, but because of the fact that this is completely 371 hardware dependend, it should be done directly... */ 372 saa7146_write(dev, DD1_STREAM_B, 0x00000000); 373 saa7146_write(dev, DD1_INIT, 0x02000200); 374 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 375 376 return 0; 377} 378 379/* interrupt-handler. this gets called when irq_mask is != 0. 380 it must clear the interrupt-bits in irq_mask it has handled */ 381/* 382void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask) 383{ 384 struct mxb* mxb = (struct mxb*)dev->ext_priv; 385} 386*/ 387 388static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc) 389{ 390 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 391 int i; 392 393 for (i = MAXCONTROLS - 1; i >= 0; i--) { 394 if (mxb_controls[i].id == qc->id) { 395 *qc = mxb_controls[i]; 396 DEB_D("VIDIOC_QUERYCTRL %d\n", qc->id); 397 return 0; 398 } 399 } 400 return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc); 401} 402 403static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc) 404{ 405 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 406 struct mxb *mxb = (struct mxb *)dev->ext_priv; 407 int i; 408 409 for (i = MAXCONTROLS - 1; i >= 0; i--) { 410 if (mxb_controls[i].id == vc->id) 411 break; 412 } 413 414 if (i < 0) 415 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc); 416 417 if (vc->id == V4L2_CID_AUDIO_MUTE) { 418 vc->value = mxb->cur_mute; 419 DEB_D("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d\n", vc->value); 420 return 0; 421 } 422 423 DEB_EE("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d\n", vc->value); 424 return 0; 425} 426 427static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc) 428{ 429 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 430 struct mxb *mxb = (struct mxb *)dev->ext_priv; 431 int i = 0; 432 433 for (i = MAXCONTROLS - 1; i >= 0; i--) { 434 if (mxb_controls[i].id == vc->id) 435 break; 436 } 437 438 if (i < 0) 439 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc); 440 441 if (vc->id == V4L2_CID_AUDIO_MUTE) { 442 mxb->cur_mute = vc->value; 443 /* switch the audio-source */ 444 tea6420_route_line(mxb, vc->value ? 6 : 445 video_audio_connect[mxb->cur_input]); 446 DEB_EE("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d\n", vc->value); 447 } 448 return 0; 449} 450 451static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) 452{ 453 DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index); 454 if (i->index >= MXB_INPUTS) 455 return -EINVAL; 456 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input)); 457 return 0; 458} 459 460static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) 461{ 462 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 463 struct mxb *mxb = (struct mxb *)dev->ext_priv; 464 *i = mxb->cur_input; 465 466 DEB_EE("VIDIOC_G_INPUT %d\n", *i); 467 return 0; 468} 469 470static int vidioc_s_input(struct file *file, void *fh, unsigned int input) 471{ 472 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 473 struct mxb *mxb = (struct mxb *)dev->ext_priv; 474 int err = 0; 475 int i = 0; 476 477 DEB_EE("VIDIOC_S_INPUT %d\n", input); 478 479 if (input >= MXB_INPUTS) 480 return -EINVAL; 481 482 mxb->cur_input = input; 483 484 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, 485 input_port_selection[input].hps_sync); 486 487 /* prepare switching of tea6415c and saa7111a; 488 have a look at the 'background'-file for further informations */ 489 switch (input) { 490 case TUNER: 491 i = SAA7115_COMPOSITE0; 492 493 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0); 494 495 /* connect tuner-output always to multicable */ 496 if (!err) 497 err = tea6415c_call(mxb, video, s_routing, 3, 13, 0); 498 break; 499 case AUX3_YC: 500 /* nothing to be done here. aux3_yc is 501 directly connected to the saa711a */ 502 i = SAA7115_SVIDEO1; 503 break; 504 case AUX3: 505 /* nothing to be done here. aux3 is 506 directly connected to the saa711a */ 507 i = SAA7115_COMPOSITE1; 508 break; 509 case AUX1: 510 i = SAA7115_COMPOSITE0; 511 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0); 512 break; 513 } 514 515 if (err) 516 return err; 517 518 /* switch video in saa7111a */ 519 if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0)) 520 pr_err("VIDIOC_S_INPUT: could not address saa7111a\n"); 521 522 /* switch the audio-source only if necessary */ 523 if (0 == mxb->cur_mute) 524 tea6420_route_line(mxb, video_audio_connect[input]); 525 526 return 0; 527} 528 529static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t) 530{ 531 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 532 struct mxb *mxb = (struct mxb *)dev->ext_priv; 533 534 if (t->index) { 535 DEB_D("VIDIOC_G_TUNER: channel %d does not have a tuner attached\n", 536 t->index); 537 return -EINVAL; 538 } 539 540 DEB_EE("VIDIOC_G_TUNER: %d\n", t->index); 541 542 memset(t, 0, sizeof(*t)); 543 strlcpy(t->name, "TV Tuner", sizeof(t->name)); 544 t->type = V4L2_TUNER_ANALOG_TV; 545 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | 546 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; 547 t->audmode = mxb->cur_mode; 548 return call_all(dev, tuner, g_tuner, t); 549} 550 551static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t) 552{ 553 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 554 struct mxb *mxb = (struct mxb *)dev->ext_priv; 555 556 if (t->index) { 557 DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n", 558 t->index); 559 return -EINVAL; 560 } 561 562 mxb->cur_mode = t->audmode; 563 return call_all(dev, tuner, s_tuner, t); 564} 565 566static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f) 567{ 568 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 569 struct mxb *mxb = (struct mxb *)dev->ext_priv; 570 571 if (mxb->cur_input) { 572 DEB_D("VIDIOC_G_FREQ: channel %d does not have a tuner!\n", 573 mxb->cur_input); 574 return -EINVAL; 575 } 576 577 *f = mxb->cur_freq; 578 579 DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency); 580 return 0; 581} 582 583static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f) 584{ 585 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 586 struct mxb *mxb = (struct mxb *)dev->ext_priv; 587 struct saa7146_vv *vv = dev->vv_data; 588 589 if (f->tuner) 590 return -EINVAL; 591 592 if (V4L2_TUNER_ANALOG_TV != f->type) 593 return -EINVAL; 594 595 if (mxb->cur_input) { 596 DEB_D("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", 597 mxb->cur_input); 598 return -EINVAL; 599 } 600 601 mxb->cur_freq = *f; 602 DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency); 603 604 /* tune in desired frequency */ 605 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq); 606 607 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */ 608 spin_lock(&dev->slock); 609 vv->vbi_fieldcount = 0; 610 spin_unlock(&dev->slock); 611 612 return 0; 613} 614 615static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) 616{ 617 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 618 struct mxb *mxb = (struct mxb *)dev->ext_priv; 619 620 if (a->index > MXB_INPUTS) { 621 DEB_D("VIDIOC_G_AUDIO %d out of range\n", a->index); 622 return -EINVAL; 623 } 624 625 DEB_EE("VIDIOC_G_AUDIO %d\n", a->index); 626 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio)); 627 return 0; 628} 629 630static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a) 631{ 632 DEB_D("VIDIOC_S_AUDIO %d\n", a->index); 633 return 0; 634} 635 636#ifdef CONFIG_VIDEO_ADV_DEBUG 637static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) 638{ 639 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 640 641 return call_all(dev, core, g_register, reg); 642} 643 644static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) 645{ 646 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 647 648 return call_all(dev, core, s_register, reg); 649} 650#endif 651 652static long vidioc_default(struct file *file, void *fh, bool valid_prio, 653 int cmd, void *arg) 654{ 655 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; 656 struct mxb *mxb = (struct mxb *)dev->ext_priv; 657 658 switch (cmd) { 659 case MXB_S_AUDIO_CD: 660 { 661 int i = *(int *)arg; 662 663 if (i < 0 || i >= MXB_AUDIOS) { 664 DEB_D("invalid argument to MXB_S_AUDIO_CD: i:%d\n", i); 665 return -EINVAL; 666 } 667 668 DEB_EE("MXB_S_AUDIO_CD: i:%d\n", i); 669 670 tea6420_route_cd(mxb, i); 671 return 0; 672 } 673 case MXB_S_AUDIO_LINE: 674 { 675 int i = *(int *)arg; 676 677 if (i < 0 || i >= MXB_AUDIOS) { 678 DEB_D("invalid argument to MXB_S_AUDIO_LINE: i:%d\n", 679 i); 680 return -EINVAL; 681 } 682 683 DEB_EE("MXB_S_AUDIO_LINE: i:%d\n", i); 684 tea6420_route_line(mxb, i); 685 return 0; 686 } 687 default: 688/* 689 DEB2(pr_err("does not handle this ioctl\n")); 690*/ 691 return -ENOIOCTLCMD; 692 } 693 return 0; 694} 695 696static struct saa7146_ext_vv vv_data; 697 698/* this function only gets called when the probing was successful */ 699static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) 700{ 701 struct mxb *mxb; 702 703 DEB_EE("dev:%p\n", dev); 704 705 saa7146_vv_init(dev, &vv_data); 706 if (mxb_probe(dev)) { 707 saa7146_vv_release(dev); 708 return -1; 709 } 710 mxb = (struct mxb *)dev->ext_priv; 711 712 vv_data.ops.vidioc_queryctrl = vidioc_queryctrl; 713 vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl; 714 vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl; 715 vv_data.ops.vidioc_enum_input = vidioc_enum_input; 716 vv_data.ops.vidioc_g_input = vidioc_g_input; 717 vv_data.ops.vidioc_s_input = vidioc_s_input; 718 vv_data.ops.vidioc_g_tuner = vidioc_g_tuner; 719 vv_data.ops.vidioc_s_tuner = vidioc_s_tuner; 720 vv_data.ops.vidioc_g_frequency = vidioc_g_frequency; 721 vv_data.ops.vidioc_s_frequency = vidioc_s_frequency; 722 vv_data.ops.vidioc_g_audio = vidioc_g_audio; 723 vv_data.ops.vidioc_s_audio = vidioc_s_audio; 724#ifdef CONFIG_VIDEO_ADV_DEBUG 725 vv_data.ops.vidioc_g_register = vidioc_g_register; 726 vv_data.ops.vidioc_s_register = vidioc_s_register; 727#endif 728 vv_data.ops.vidioc_default = vidioc_default; 729 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { 730 ERR("cannot register capture v4l2 device. skipping.\n"); 731 saa7146_vv_release(dev); 732 return -1; 733 } 734 735 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ 736 if (MXB_BOARD_CAN_DO_VBI(dev)) { 737 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { 738 ERR("cannot register vbi v4l2 device. skipping.\n"); 739 } 740 } 741 742 pr_info("found Multimedia eXtension Board #%d\n", mxb_num); 743 744 mxb_num++; 745 mxb_init_done(dev); 746 return 0; 747} 748 749static int mxb_detach(struct saa7146_dev *dev) 750{ 751 struct mxb *mxb = (struct mxb *)dev->ext_priv; 752 753 DEB_EE("dev:%p\n", dev); 754 755 saa7146_unregister_device(&mxb->video_dev,dev); 756 if (MXB_BOARD_CAN_DO_VBI(dev)) 757 saa7146_unregister_device(&mxb->vbi_dev, dev); 758 saa7146_vv_release(dev); 759 760 mxb_num--; 761 762 i2c_del_adapter(&mxb->i2c_adapter); 763 kfree(mxb); 764 765 return 0; 766} 767 768static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard) 769{ 770 struct mxb *mxb = (struct mxb *)dev->ext_priv; 771 772 if (V4L2_STD_PAL_I == standard->id) { 773 v4l2_std_id std = V4L2_STD_PAL_I; 774 775 DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n"); 776 /* set the 7146 gpio register -- I don't know what this does exactly */ 777 saa7146_write(dev, GPIO_CTRL, 0x00404050); 778 /* unset the 7111 gpio register -- I don't know what this does exactly */ 779 saa7111a_call(mxb, core, s_gpio, 0); 780 tuner_call(mxb, core, s_std, std); 781 } else { 782 v4l2_std_id std = V4L2_STD_PAL_BG; 783 784 DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n"); 785 /* set the 7146 gpio register -- I don't know what this does exactly */ 786 saa7146_write(dev, GPIO_CTRL, 0x00404050); 787 /* set the 7111 gpio register -- I don't know what this does exactly */ 788 saa7111a_call(mxb, core, s_gpio, 1); 789 tuner_call(mxb, core, s_std, std); 790 } 791 return 0; 792} 793 794static struct saa7146_standard standard[] = { 795 { 796 .name = "PAL-BG", .id = V4L2_STD_PAL_BG, 797 .v_offset = 0x17, .v_field = 288, 798 .h_offset = 0x14, .h_pixels = 680, 799 .v_max_out = 576, .h_max_out = 768, 800 }, { 801 .name = "PAL-I", .id = V4L2_STD_PAL_I, 802 .v_offset = 0x17, .v_field = 288, 803 .h_offset = 0x14, .h_pixels = 680, 804 .v_max_out = 576, .h_max_out = 768, 805 }, { 806 .name = "NTSC", .id = V4L2_STD_NTSC, 807 .v_offset = 0x16, .v_field = 240, 808 .h_offset = 0x06, .h_pixels = 708, 809 .v_max_out = 480, .h_max_out = 640, 810 }, { 811 .name = "SECAM", .id = V4L2_STD_SECAM, 812 .v_offset = 0x14, .v_field = 288, 813 .h_offset = 0x14, .h_pixels = 720, 814 .v_max_out = 576, .h_max_out = 768, 815 } 816}; 817 818static struct saa7146_pci_extension_data mxb = { 819 .ext_priv = "Multimedia eXtension Board", 820 .ext = &extension, 821}; 822 823static struct pci_device_id pci_tbl[] = { 824 { 825 .vendor = PCI_VENDOR_ID_PHILIPS, 826 .device = PCI_DEVICE_ID_PHILIPS_SAA7146, 827 .subvendor = 0x0000, 828 .subdevice = 0x0000, 829 .driver_data = (unsigned long)&mxb, 830 }, { 831 .vendor = 0, 832 } 833}; 834 835MODULE_DEVICE_TABLE(pci, pci_tbl); 836 837static struct saa7146_ext_vv vv_data = { 838 .inputs = MXB_INPUTS, 839 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE, 840 .stds = &standard[0], 841 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard), 842 .std_callback = &std_callback, 843}; 844 845static struct saa7146_extension extension = { 846 .name = MXB_IDENTIFIER, 847 .flags = SAA7146_USE_I2C_IRQ, 848 849 .pci_tbl = &pci_tbl[0], 850 .module = THIS_MODULE, 851 852 .attach = mxb_attach, 853 .detach = mxb_detach, 854 855 .irq_mask = 0, 856 .irq_func = NULL, 857}; 858 859static int __init mxb_init_module(void) 860{ 861 if (saa7146_register_extension(&extension)) { 862 DEB_S("failed to register extension\n"); 863 return -ENODEV; 864 } 865 866 return 0; 867} 868 869static void __exit mxb_cleanup_module(void) 870{ 871 saa7146_unregister_extension(&extension); 872} 873 874module_init(mxb_init_module); 875module_exit(mxb_cleanup_module); 876 877MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'"); 878MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); 879MODULE_LICENSE("GPL"); 880