1 /* 2 * Driver for the Conexant CX25821 PCIe bridge 3 * 4 * Copyright (C) 2009 Conexant Systems Inc. 5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> 6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * 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 #ifndef CX25821_H_ 25 #define CX25821_H_ 26 27 #include <linux/pci.h> 28 #include <linux/i2c.h> 29 #include <linux/interrupt.h> 30 #include <linux/delay.h> 31 #include <linux/sched.h> 32 #include <linux/kdev_t.h> 33 34 #include <media/v4l2-common.h> 35 #include <media/v4l2-device.h> 36 #include <media/tuner.h> 37 #include <media/tveeprom.h> 38 #include <media/videobuf-dma-sg.h> 39 #include <media/videobuf-dvb.h> 40 41 #include "btcx-risc.h" 42 #include "cx25821-reg.h" 43 #include "cx25821-medusa-reg.h" 44 #include "cx25821-sram.h" 45 #include "cx25821-audio.h" 46 #include "media/cx2341x.h" 47 48 #include <linux/version.h> 49 #include <linux/mutex.h> 50 51 #define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106) 52 53 #define UNSET (-1U) 54 #define NO_SYNC_LINE (-1U) 55 56 #define CX25821_MAXBOARDS 2 57 58 #define TRUE 1 59 #define FALSE 0 60 #define LINE_SIZE_D1 1440 61 62 /* Number of decoders and encoders */ 63 #define MAX_DECODERS 8 64 #define MAX_ENCODERS 2 65 #define QUAD_DECODERS 4 66 #define MAX_CAMERAS 16 67 68 /* Max number of inputs by card */ 69 #define MAX_CX25821_INPUT 8 70 #define INPUT(nr) (&cx25821_boards[dev->board].input[nr]) 71 #define RESOURCE_VIDEO0 1 72 #define RESOURCE_VIDEO1 2 73 #define RESOURCE_VIDEO2 4 74 #define RESOURCE_VIDEO3 8 75 #define RESOURCE_VIDEO4 16 76 #define RESOURCE_VIDEO5 32 77 #define RESOURCE_VIDEO6 64 78 #define RESOURCE_VIDEO7 128 79 #define RESOURCE_VIDEO8 256 80 #define RESOURCE_VIDEO9 512 81 #define RESOURCE_VIDEO10 1024 82 #define RESOURCE_VIDEO11 2048 83 #define RESOURCE_VIDEO_IOCTL 4096 84 85 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ 86 87 #define UNKNOWN_BOARD 0 88 #define CX25821_BOARD 1 89 90 /* Currently supported by the driver */ 91 #define CX25821_NORMS (\ 92 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \ 93 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \ 94 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \ 95 V4L2_STD_PAL_Nc) 96 97 #define CX25821_BOARD_CONEXANT_ATHENA10 1 98 #define MAX_VID_CHANNEL_NUM 12 99 #define VID_CHANNEL_NUM 8 100 #define CX25821_NR_INPUT 2 101 102 struct cx25821_fmt { 103 char *name; 104 u32 fourcc; /* v4l2 format id */ 105 int depth; 106 int flags; 107 u32 cxformat; 108 }; 109 110 struct cx25821_ctrl { 111 struct v4l2_queryctrl v; 112 u32 off; 113 u32 reg; 114 u32 mask; 115 u32 shift; 116 }; 117 118 struct cx25821_tvnorm { 119 char *name; 120 v4l2_std_id id; 121 u32 cxiformat; 122 u32 cxoformat; 123 }; 124 125 struct cx25821_fh { 126 struct cx25821_dev *dev; 127 enum v4l2_buf_type type; 128 int radio; 129 u32 resources; 130 131 enum v4l2_priority prio; 132 133 /* video overlay */ 134 struct v4l2_window win; 135 struct v4l2_clip *clips; 136 unsigned int nclips; 137 138 /* video capture */ 139 struct cx25821_fmt *fmt; 140 unsigned int width, height; 141 int channel_id; 142 143 /* vbi capture */ 144 struct videobuf_queue vidq; 145 struct videobuf_queue vbiq; 146 147 /* H264 Encoder specifics ONLY */ 148 struct videobuf_queue mpegq; 149 atomic_t v4l_reading; 150 }; 151 152 enum cx25821_itype { 153 CX25821_VMUX_COMPOSITE = 1, 154 CX25821_VMUX_SVIDEO, 155 CX25821_VMUX_DEBUG, 156 CX25821_RADIO, 157 }; 158 159 enum cx25821_src_sel_type { 160 CX25821_SRC_SEL_EXT_656_VIDEO = 0, 161 CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO 162 }; 163 164 /* buffer for one video frame */ 165 struct cx25821_buffer { 166 /* common v4l buffer stuff -- must be first */ 167 struct videobuf_buffer vb; 168 169 /* cx25821 specific */ 170 unsigned int bpl; 171 struct btcx_riscmem risc; 172 struct cx25821_fmt *fmt; 173 u32 count; 174 }; 175 176 struct cx25821_input { 177 enum cx25821_itype type; 178 unsigned int vmux; 179 u32 gpio0, gpio1, gpio2, gpio3; 180 }; 181 182 enum port { 183 CX25821_UNDEFINED = 0, 184 CX25821_RAW, 185 CX25821_264 186 }; 187 188 struct cx25821_board { 189 const char *name; 190 enum port porta; 191 enum port portb; 192 enum port portc; 193 unsigned int tuner_type; 194 unsigned int radio_type; 195 unsigned char tuner_addr; 196 unsigned char radio_addr; 197 198 u32 clk_freq; 199 struct cx25821_input input[CX25821_NR_INPUT]; 200 }; 201 202 struct cx25821_subid { 203 u16 subvendor; 204 u16 subdevice; 205 u32 card; 206 }; 207 208 struct cx25821_i2c { 209 struct cx25821_dev *dev; 210 211 int nr; 212 213 /* i2c i/o */ 214 struct i2c_adapter i2c_adap; 215 struct i2c_client i2c_client; 216 u32 i2c_rc; 217 218 /* cx25821 registers used for raw addess */ 219 u32 i2c_period; 220 u32 reg_ctrl; 221 u32 reg_stat; 222 u32 reg_addr; 223 u32 reg_rdata; 224 u32 reg_wdata; 225 }; 226 227 struct cx25821_dmaqueue { 228 struct list_head active; 229 struct list_head queued; 230 struct timer_list timeout; 231 struct btcx_riscmem stopper; 232 u32 count; 233 }; 234 235 struct cx25821_data { 236 struct cx25821_dev *dev; 237 struct sram_channel *channel; 238 }; 239 240 struct cx25821_channel { 241 struct v4l2_prio_state prio; 242 243 int ctl_bright; 244 int ctl_contrast; 245 int ctl_hue; 246 int ctl_saturation; 247 struct cx25821_data timeout_data; 248 249 struct video_device *video_dev; 250 struct cx25821_dmaqueue vidq; 251 252 struct sram_channel *sram_channels; 253 254 struct mutex lock; 255 int resources; 256 257 int pixel_formats; 258 int use_cif_resolution; 259 int cif_width; 260 }; 261 262 struct cx25821_dev { 263 struct list_head devlist; 264 atomic_t refcount; 265 struct v4l2_device v4l2_dev; 266 267 /* pci stuff */ 268 struct pci_dev *pci; 269 unsigned char pci_rev, pci_lat; 270 int pci_bus, pci_slot; 271 u32 base_io_addr; 272 u32 __iomem *lmmio; 273 u8 __iomem *bmmio; 274 int pci_irqmask; 275 int hwrevision; 276 277 u32 clk_freq; 278 279 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ 280 struct cx25821_i2c i2c_bus[3]; 281 282 int nr; 283 struct mutex lock; 284 285 struct cx25821_channel channels[MAX_VID_CHANNEL_NUM]; 286 287 /* board details */ 288 unsigned int board; 289 char name[32]; 290 291 /* Analog video */ 292 u32 resources; 293 unsigned int input; 294 u32 tvaudio; 295 v4l2_std_id tvnorm; 296 unsigned int tuner_type; 297 unsigned char tuner_addr; 298 unsigned int radio_type; 299 unsigned char radio_addr; 300 unsigned int has_radio; 301 unsigned int videc_type; 302 unsigned char videc_addr; 303 unsigned short _max_num_decoders; 304 305 /* Analog Audio Upstream */ 306 int _audio_is_running; 307 int _audiopixel_format; 308 int _is_first_audio_frame; 309 int _audiofile_status; 310 int _audio_lines_count; 311 int _audioframe_count; 312 int _audio_upstream_channel; 313 int _last_index_irq; /* The last interrupt index processed. */ 314 315 __le32 *_risc_audio_jmp_addr; 316 __le32 *_risc_virt_start_addr; 317 __le32 *_risc_virt_addr; 318 dma_addr_t _risc_phys_addr; 319 dma_addr_t _risc_phys_start_addr; 320 321 unsigned int _audiorisc_size; 322 unsigned int _audiodata_buf_size; 323 __le32 *_audiodata_buf_virt_addr; 324 dma_addr_t _audiodata_buf_phys_addr; 325 char *_audiofilename; 326 327 /* V4l */ 328 u32 freq; 329 struct video_device *vbi_dev; 330 struct video_device *radio_dev; 331 struct video_device *ioctl_dev; 332 333 spinlock_t slock; 334 335 /* Video Upstream */ 336 int _line_size; 337 int _prog_cnt; 338 int _pixel_format; 339 int _is_first_frame; 340 int _is_running; 341 int _file_status; 342 int _lines_count; 343 int _frame_count; 344 int _channel_upstream_select; 345 unsigned int _risc_size; 346 347 __le32 *_dma_virt_start_addr; 348 __le32 *_dma_virt_addr; 349 dma_addr_t _dma_phys_addr; 350 dma_addr_t _dma_phys_start_addr; 351 352 unsigned int _data_buf_size; 353 __le32 *_data_buf_virt_addr; 354 dma_addr_t _data_buf_phys_addr; 355 char *_filename; 356 char *_defaultname; 357 358 int _line_size_ch2; 359 int _prog_cnt_ch2; 360 int _pixel_format_ch2; 361 int _is_first_frame_ch2; 362 int _is_running_ch2; 363 int _file_status_ch2; 364 int _lines_count_ch2; 365 int _frame_count_ch2; 366 int _channel2_upstream_select; 367 unsigned int _risc_size_ch2; 368 369 __le32 *_dma_virt_start_addr_ch2; 370 __le32 *_dma_virt_addr_ch2; 371 dma_addr_t _dma_phys_addr_ch2; 372 dma_addr_t _dma_phys_start_addr_ch2; 373 374 unsigned int _data_buf_size_ch2; 375 __le32 *_data_buf_virt_addr_ch2; 376 dma_addr_t _data_buf_phys_addr_ch2; 377 char *_filename_ch2; 378 char *_defaultname_ch2; 379 380 /* MPEG Encoder ONLY settings */ 381 u32 cx23417_mailbox; 382 struct cx2341x_mpeg_params mpeg_params; 383 struct video_device *v4l_device; 384 atomic_t v4l_reader_count; 385 struct cx25821_tvnorm encodernorm; 386 387 u32 upstream_riscbuf_size; 388 u32 upstream_databuf_size; 389 u32 upstream_riscbuf_size_ch2; 390 u32 upstream_databuf_size_ch2; 391 u32 audio_upstream_riscbuf_size; 392 u32 audio_upstream_databuf_size; 393 int _isNTSC; 394 int _frame_index; 395 int _audioframe_index; 396 struct workqueue_struct *_irq_queues; 397 struct work_struct _irq_work_entry; 398 struct workqueue_struct *_irq_queues_ch2; 399 struct work_struct _irq_work_entry_ch2; 400 struct workqueue_struct *_irq_audio_queues; 401 struct work_struct _audio_work_entry; 402 char *input_filename; 403 char *input_filename_ch2; 404 int _frame_index_ch2; 405 int _isNTSC_ch2; 406 char *vid_stdname_ch2; 407 int pixel_format_ch2; 408 int channel_select_ch2; 409 int command_ch2; 410 char *input_audiofilename; 411 char *vid_stdname; 412 int pixel_format; 413 int channel_select; 414 int command; 415 int channel_opened; 416 }; 417 418 struct upstream_user_struct { 419 char *input_filename; 420 char *vid_stdname; 421 int pixel_format; 422 int channel_select; 423 int command; 424 }; 425 426 struct downstream_user_struct { 427 char *vid_stdname; 428 int pixel_format; 429 int cif_resolution_enable; 430 int cif_width; 431 int decoder_select; 432 int command; 433 int reg_address; 434 int reg_data; 435 }; 436 437 extern struct upstream_user_struct *up_data; 438 439 static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev) 440 { 441 return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev); 442 } 443 444 #define cx25821_call_all(dev, o, f, args...) \ 445 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) 446 447 extern struct list_head cx25821_devlist; 448 extern struct mutex cx25821_devlist_mutex; 449 450 extern struct cx25821_board cx25821_boards[]; 451 extern struct cx25821_subid cx25821_subids[]; 452 453 #define SRAM_CH00 0 /* Video A */ 454 #define SRAM_CH01 1 /* Video B */ 455 #define SRAM_CH02 2 /* Video C */ 456 #define SRAM_CH03 3 /* Video D */ 457 #define SRAM_CH04 4 /* Video E */ 458 #define SRAM_CH05 5 /* Video F */ 459 #define SRAM_CH06 6 /* Video G */ 460 #define SRAM_CH07 7 /* Video H */ 461 462 #define SRAM_CH08 8 /* Audio A */ 463 #define SRAM_CH09 9 /* Video Upstream I */ 464 #define SRAM_CH10 10 /* Video Upstream J */ 465 #define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */ 466 467 #define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09 468 #define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10 469 #define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11 470 #define VIDEO_IOCTL_CH 11 471 472 struct sram_channel { 473 char *name; 474 u32 i; 475 u32 cmds_start; 476 u32 ctrl_start; 477 u32 cdt; 478 u32 fifo_start; 479 u32 fifo_size; 480 u32 ptr1_reg; 481 u32 ptr2_reg; 482 u32 cnt1_reg; 483 u32 cnt2_reg; 484 u32 int_msk; 485 u32 int_stat; 486 u32 int_mstat; 487 u32 dma_ctl; 488 u32 gpcnt_ctl; 489 u32 gpcnt; 490 u32 aud_length; 491 u32 aud_cfg; 492 u32 fld_aud_fifo_en; 493 u32 fld_aud_risc_en; 494 495 /* For Upstream Video */ 496 u32 vid_fmt_ctl; 497 u32 vid_active_ctl1; 498 u32 vid_active_ctl2; 499 u32 vid_cdt_size; 500 501 u32 vip_ctl; 502 u32 pix_frmt; 503 u32 jumponly; 504 u32 irq_bit; 505 }; 506 extern struct sram_channel cx25821_sram_channels[]; 507 508 #define STATUS_SUCCESS 0 509 #define STATUS_UNSUCCESSFUL -1 510 511 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) 512 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2)) 513 514 #define cx_andor(reg, mask, value) \ 515 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ 516 ((value) & (mask)), dev->lmmio+((reg)>>2)) 517 518 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit)) 519 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0) 520 521 #define Set_GPIO_Bit(Bit) (1 << Bit) 522 #define Clear_GPIO_Bit(Bit) (~(1 << Bit)) 523 524 #define CX25821_ERR(fmt, args...) \ 525 pr_err("(%d): " fmt, dev->board, ##args) 526 #define CX25821_WARN(fmt, args...) \ 527 pr_warn("(%d): " fmt, dev->board, ##args) 528 #define CX25821_INFO(fmt, args...) \ 529 pr_info("(%d): " fmt, dev->board, ##args) 530 531 extern int cx25821_i2c_register(struct cx25821_i2c *bus); 532 extern void cx25821_card_setup(struct cx25821_dev *dev); 533 extern int cx25821_ir_init(struct cx25821_dev *dev); 534 extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value); 535 extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value); 536 extern int cx25821_i2c_unregister(struct cx25821_i2c *bus); 537 extern void cx25821_gpio_init(struct cx25821_dev *dev); 538 extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev, 539 int pin_number, int pin_logic_value); 540 541 extern int medusa_video_init(struct cx25821_dev *dev); 542 extern int medusa_set_videostandard(struct cx25821_dev *dev); 543 extern void medusa_set_resolution(struct cx25821_dev *dev, int width, 544 int decoder_select); 545 extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness, 546 int decoder); 547 extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast, 548 int decoder); 549 extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder); 550 extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation, 551 int decoder); 552 553 extern int cx25821_sram_channel_setup(struct cx25821_dev *dev, 554 struct sram_channel *ch, unsigned int bpl, 555 u32 risc); 556 557 extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, 558 struct scatterlist *sglist, 559 unsigned int top_offset, 560 unsigned int bottom_offset, 561 unsigned int bpl, 562 unsigned int padding, unsigned int lines); 563 extern int cx25821_risc_databuffer_audio(struct pci_dev *pci, 564 struct btcx_riscmem *risc, 565 struct scatterlist *sglist, 566 unsigned int bpl, 567 unsigned int lines, unsigned int lpi); 568 extern void cx25821_free_buffer(struct videobuf_queue *q, 569 struct cx25821_buffer *buf); 570 extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, 571 u32 reg, u32 mask, u32 value); 572 extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, 573 struct sram_channel *ch); 574 extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, 575 struct sram_channel *ch); 576 577 extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci); 578 extern void cx25821_print_irqbits(char *name, char *tag, char **strings, 579 int len, u32 bits, u32 mask); 580 extern void cx25821_dev_unregister(struct cx25821_dev *dev); 581 extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev, 582 struct sram_channel *ch, 583 unsigned int bpl, u32 risc); 584 585 extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, 586 int channel_select, int pixel_format); 587 extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, 588 int channel_select, int pixel_format); 589 extern int cx25821_audio_upstream_init(struct cx25821_dev *dev, 590 int channel_select); 591 extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev); 592 extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev); 593 extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev); 594 extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, 595 struct upstream_user_struct 596 *up_data); 597 extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, 598 struct upstream_user_struct 599 *up_data); 600 extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, 601 struct upstream_user_struct *up_data); 602 extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev); 603 extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev); 604 extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev); 605 extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev, 606 struct sram_channel *ch, 607 unsigned int bpl, u32 risc); 608 extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, 609 u32 format); 610 extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev); 611 extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, 612 struct pci_dev *pci, 613 struct video_device *template, 614 char *type); 615 #endif 616