drivers/staging/cx25821/cx25821.h

   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/i2c-algo-bit.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/sched.h>
  33 #include <linux/kdev_t.h>
  34 #include <linux/smp_lock.h>
  35
  36 #include <media/v4l2-common.h>
  37 #include <media/v4l2-device.h>
  38 #include <media/tuner.h>
  39 #include <media/tveeprom.h>
  40 #include <media/videobuf-dma-sg.h>
  41 #include <media/videobuf-dvb.h>
  42
  43 #include "btcx-risc.h"
  44 #include "cx25821-reg.h"
  45 #include "cx25821-medusa-reg.h"
  46 #include "cx25821-sram.h"
  47 #include "cx25821-audio.h"
  48 #include "media/cx2341x.h"
  49
  50 #include <linux/version.h>
  51 #include <linux/mutex.h>
  52
  53 #define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)
  54
  55 #define UNSET (-1U)
  56 #define NO_SYNC_LINE (-1U)
  57
  58 #define CX25821_MAXBOARDS 2
  59
  60 #define TRUE    1
  61 #define FALSE   0
  62 #define LINE_SIZE_D1    1440
  63
  64 /* Number of decoders and encoders */
  65 #define MAX_DECODERS            8
  66 #define MAX_ENCODERS            2
  67 #define QUAD_DECODERS           4
  68 #define MAX_CAMERAS             16
  69
  70 /* Max number of inputs by card */
  71 #define MAX_CX25821_INPUT 8
  72 #define INPUT(nr) (&cx25821_boards[dev->board].input[nr])
  73 #define RESOURCE_VIDEO0       1
  74 #define RESOURCE_VIDEO1       2
  75 #define RESOURCE_VIDEO2       4
  76 #define RESOURCE_VIDEO3       8
  77 #define RESOURCE_VIDEO4       16
  78 #define RESOURCE_VIDEO5       32
  79 #define RESOURCE_VIDEO6       64
  80 #define RESOURCE_VIDEO7       128
  81 #define RESOURCE_VIDEO8       256
  82 #define RESOURCE_VIDEO9       512
  83 #define RESOURCE_VIDEO10      1024
  84 #define RESOURCE_VIDEO11      2048
  85 #define RESOURCE_VIDEO_IOCTL  4096
  86
  87 #define BUFFER_TIMEOUT     (HZ) /* 0.5 seconds */
  88
  89 #define UNKNOWN_BOARD       0
  90 #define CX25821_BOARD        1
  91
  92 /* Currently supported by the driver */
  93 #define CX25821_NORMS (\
  94         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
  95         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
  96         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_H    | \
  97         V4L2_STD_PAL_Nc)
  98
  99 #define CX25821_BOARD_CONEXANT_ATHENA10 1
 100 #define MAX_VID_CHANNEL_NUM     12
 101 #define VID_CHANNEL_NUM 8
 102
 103 struct cx25821_fmt {
 104         char *name;
 105         u32 fourcc;             /* v4l2 format id */
 106         int depth;
 107         int flags;
 108         u32 cxformat;
 109 };
 110
 111 struct cx25821_ctrl {
 112         struct v4l2_queryctrl v;
 113         u32 off;
 114         u32 reg;
 115         u32 mask;
 116         u32 shift;
 117 };
 118
 119 struct cx25821_tvnorm {
 120         char *name;
 121         v4l2_std_id id;
 122         u32 cxiformat;
 123         u32 cxoformat;
 124 };
 125
 126 struct cx25821_fh {
 127         struct cx25821_dev *dev;
 128         enum v4l2_buf_type type;
 129         int radio;
 130         u32 resources;
 131
 132         enum v4l2_priority prio;
 133
 134         /* video overlay */
 135         struct v4l2_window win;
 136         struct v4l2_clip *clips;
 137         unsigned int nclips;
 138
 139         /* video capture */
 140         struct cx25821_fmt *fmt;
 141         unsigned int width, height;
 142         int channel_id;
 143
 144         /* vbi capture */
 145         struct videobuf_queue vidq;
 146         struct videobuf_queue vbiq;
 147
 148         /* H264 Encoder specifics ONLY */
 149         struct videobuf_queue mpegq;
 150         atomic_t v4l_reading;
 151 };
 152
 153 enum cx25821_itype {
 154         CX25821_VMUX_COMPOSITE = 1,
 155         CX25821_VMUX_SVIDEO,
 156         CX25821_VMUX_DEBUG,
 157         CX25821_RADIO,
 158 };
 159
 160 enum cx25821_src_sel_type {
 161         CX25821_SRC_SEL_EXT_656_VIDEO = 0,
 162         CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
 163 };
 164
 165 /* buffer for one video frame */
 166 struct cx25821_buffer {
 167         /* common v4l buffer stuff -- must be first */
 168         struct videobuf_buffer vb;
 169
 170         /* cx25821 specific */
 171         unsigned int bpl;
 172         struct btcx_riscmem risc;
 173         struct cx25821_fmt *fmt;
 174         u32 count;
 175 };
 176
 177 struct cx25821_input {
 178         enum cx25821_itype type;
 179         unsigned int vmux;
 180         u32 gpio0, gpio1, gpio2, gpio3;
 181 };
 182
 183 typedef enum {
 184         CX25821_UNDEFINED = 0,
 185         CX25821_RAW,
 186         CX25821_264
 187 } port_t;
 188
 189 struct cx25821_board {
 190         char *name;
 191         port_t porta, portb, portc;
 192         unsigned int tuner_type;
 193         unsigned int radio_type;
 194         unsigned char tuner_addr;
 195         unsigned char radio_addr;
 196
 197         u32 clk_freq;
 198         struct cx25821_input input[2];
 199 };
 200
 201 struct cx25821_subid {
 202         u16 subvendor;
 203         u16 subdevice;
 204         u32 card;
 205 };
 206
 207 struct cx25821_i2c {
 208         struct cx25821_dev *dev;
 209
 210         int nr;
 211
 212         /* i2c i/o */
 213         struct i2c_adapter i2c_adap;
 214         struct i2c_algo_bit_data i2c_algo;
 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_select;
 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 cx25821_board cx25821_boards[];
 449 extern struct cx25821_subid cx25821_subids[];
 450
 451 #define SRAM_CH00  0            /* Video A */
 452 #define SRAM_CH01  1            /* Video B */
 453 #define SRAM_CH02  2            /* Video C */
 454 #define SRAM_CH03  3            /* Video D */
 455 #define SRAM_CH04  4            /* Video E */
 456 #define SRAM_CH05  5            /* Video F */
 457 #define SRAM_CH06  6            /* Video G */
 458 #define SRAM_CH07  7            /* Video H */
 459
 460 #define SRAM_CH08  8            /* Audio A */
 461 #define SRAM_CH09  9            /* Video Upstream I */
 462 #define SRAM_CH10  10           /* Video Upstream J */
 463 #define SRAM_CH11  11           /* Audio Upstream AUD_CHANNEL_B */
 464
 465 #define VID_UPSTREAM_SRAM_CHANNEL_I     SRAM_CH09
 466 #define VID_UPSTREAM_SRAM_CHANNEL_J     SRAM_CH10
 467 #define AUDIO_UPSTREAM_SRAM_CHANNEL_B   SRAM_CH11
 468 #define VIDEO_IOCTL_CH  11
 469
 470 struct sram_channel {
 471         char *name;
 472         u32 i;
 473         u32 cmds_start;
 474         u32 ctrl_start;
 475         u32 cdt;
 476         u32 fifo_start;
 477         u32 fifo_size;
 478         u32 ptr1_reg;
 479         u32 ptr2_reg;
 480         u32 cnt1_reg;
 481         u32 cnt2_reg;
 482         u32 int_msk;
 483         u32 int_stat;
 484         u32 int_mstat;
 485         u32 dma_ctl;
 486         u32 gpcnt_ctl;
 487         u32 gpcnt;
 488         u32 aud_length;
 489         u32 aud_cfg;
 490         u32 fld_aud_fifo_en;
 491         u32 fld_aud_risc_en;
 492
 493         /* For Upstream Video */
 494         u32 vid_fmt_ctl;
 495         u32 vid_active_ctl1;
 496         u32 vid_active_ctl2;
 497         u32 vid_cdt_size;
 498
 499         u32 vip_ctl;
 500         u32 pix_frmt;
 501         u32 jumponly;
 502         u32 irq_bit;
 503 };
 504 extern struct sram_channel cx25821_sram_channels[];
 505
 506 #define STATUS_SUCCESS         0
 507 #define STATUS_UNSUCCESSFUL    -1
 508
 509 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 510 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 511
 512 #define cx_andor(reg, mask, value) \
 513         writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 514         ((value) & (mask)), dev->lmmio+((reg)>>2))
 515
 516 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 517 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 518
 519 #define Set_GPIO_Bit(Bit)                       (1 << Bit)
 520 #define Clear_GPIO_Bit(Bit)                     (~(1 << Bit))
 521
 522 #define CX25821_ERR(fmt, args...)      printk(KERN_ERR  "cx25821(%d): " fmt, dev->board, ## args)
 523 #define CX25821_WARN(fmt, args...)     printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args)
 524 #define CX25821_INFO(fmt, args...)     printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args)
 525
 526 extern int cx25821_i2c_register(struct cx25821_i2c *bus);
 527 extern void cx25821_card_setup(struct cx25821_dev *dev);
 528 extern int cx25821_ir_init(struct cx25821_dev *dev);
 529 extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
 530 extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
 531 extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
 532 extern void cx25821_gpio_init(struct cx25821_dev *dev);
 533 extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
 534                                           int pin_number, int pin_logic_value);
 535
 536 extern int medusa_video_init(struct cx25821_dev *dev);
 537 extern int medusa_set_videostandard(struct cx25821_dev *dev);
 538 extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
 539                                   int decoder_select);
 540 extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
 541                                  int decoder);
 542 extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
 543                                int decoder);
 544 extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
 545 extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
 546                                  int decoder);
 547
 548 extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
 549                                       struct sram_channel *ch, unsigned int bpl,
 550                                       u32 risc);
 551
 552 extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 553                                struct scatterlist *sglist,
 554                                unsigned int top_offset,
 555                                unsigned int bottom_offset,
 556                                unsigned int bpl,
 557                                unsigned int padding, unsigned int lines);
 558 extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
 559                                          struct btcx_riscmem *risc,
 560                                          struct scatterlist *sglist,
 561                                          unsigned int bpl,
 562                                          unsigned int lines, unsigned int lpi);
 563 extern void cx25821_free_buffer(struct videobuf_queue *q,
 564                                 struct cx25821_buffer *buf);
 565 extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 566                                 u32 reg, u32 mask, u32 value);
 567 extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
 568                                       struct sram_channel *ch);
 569 extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
 570                                             struct sram_channel *ch);
 571
 572 extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
 573 extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
 574                                   int len, u32 bits, u32 mask);
 575 extern void cx25821_dev_unregister(struct cx25821_dev *dev);
 576 extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
 577                                             struct sram_channel *ch,
 578                                             unsigned int bpl, u32 risc);
 579
 580 extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev,
 581                                         int channel_select, int pixel_format);
 582 extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev,
 583                                         int channel_select, int pixel_format);
 584 extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
 585                                        int channel_select);
 586 extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
 587 extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
 588 extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
 589 extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
 590                                              struct upstream_user_struct
 591                                              *up_data);
 592 extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
 593                                              struct upstream_user_struct
 594                                              *up_data);
 595 extern void cx25821_start_upstream_audio(struct cx25821_dev *dev,
 596                                          struct upstream_user_struct *up_data);
 597 extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
 598 extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
 599 extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
 600 extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
 601                                                struct sram_channel *ch,
 602                                                unsigned int bpl, u32 risc);
 603 extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
 604                                      u32 format);
 605 extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
 606 extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
 607                                               struct pci_dev *pci,
 608                                               struct video_device *template,
 609                                               char *type);
 610 #endif