LXR linux/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
 103struct cx25821_fmt {
 104        char *name;
 105        u32 fourcc;             /* v4l2 format id */
 106        int depth;
 107        int flags;
 108        u32 cxformat;
 109};
 110
 111struct cx25821_ctrl {
 112        struct v4l2_queryctrl v;
 113        u32 off;
 114        u32 reg;
 115        u32 mask;
 116        u32 shift;
 117};
 118
 119struct cx25821_tvnorm {
 120        char *name;
 121        v4l2_std_id id;
 122        u32 cxiformat;
 123        u32 cxoformat;
 124};
 125
 126struct 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
 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
 152enum cx25821_itype {
 153        CX25821_VMUX_COMPOSITE = 1,
 154        CX25821_VMUX_SVIDEO,
 155        CX25821_VMUX_DEBUG,
 156        CX25821_RADIO,
 157};
 158
 159enum 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 */
 165struct 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
 176struct cx25821_input {
 177        enum cx25821_itype type;
 178        unsigned int vmux;
 179        u32 gpio0, gpio1, gpio2, gpio3;
 180};
 181
 182typedef enum {
 183        CX25821_UNDEFINED = 0,
 184        CX25821_RAW,
 185        CX25821_264
 186} port_t;
 187
 188struct cx25821_board {
 189        char *name;
 190        port_t porta, portb, portc;
 191        unsigned int tuner_type;
 192        unsigned int radio_type;
 193        unsigned char tuner_addr;
 194        unsigned char radio_addr;
 195
 196        u32 clk_freq;
 197        struct cx25821_input input[2];
 198};
 199
 200struct cx25821_subid {
 201        u16 subvendor;
 202        u16 subdevice;
 203        u32 card;
 204};
 205
 206struct cx25821_i2c {
 207        struct cx25821_dev *dev;
 208
 209        int nr;
 210
 211        /* i2c i/o */
 212        struct i2c_adapter i2c_adap;
 213        struct i2c_algo_bit_data i2c_algo;
 214        struct i2c_client i2c_client;
 215        u32 i2c_rc;
 216
 217        /* cx25821 registers used for raw addess */
 218        u32 i2c_period;
 219        u32 reg_ctrl;
 220        u32 reg_stat;
 221        u32 reg_addr;
 222        u32 reg_rdata;
 223        u32 reg_wdata;
 224};
 225
 226struct cx25821_dmaqueue {
 227        struct list_head active;
 228        struct list_head queued;
 229        struct timer_list timeout;
 230        struct btcx_riscmem stopper;
 231        u32 count;
 232};
 233
 234struct cx25821_data {
 235        struct cx25821_dev *dev;
 236        struct sram_channel *channel;
 237};
 238
 239struct cx25821_dev {
 240        struct list_head devlist;
 241        atomic_t refcount;
 242        struct v4l2_device v4l2_dev;
 243
 244        struct v4l2_prio_state prio;
 245
 246        /* pci stuff */
 247        struct pci_dev *pci;
 248        unsigned char pci_rev, pci_lat;
 249        int pci_bus, pci_slot;
 250        u32 base_io_addr;
 251        u32 __iomem *lmmio;
 252        u8 __iomem *bmmio;
 253        int pci_irqmask;
 254        int hwrevision;
 255
 256        u32 clk_freq;
 257
 258        /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 259        struct cx25821_i2c i2c_bus[3];
 260
 261        int nr;
 262        struct mutex lock;
 263
 264        /* board details */
 265        unsigned int board;
 266        char name[32];
 267
 268        /* sram configuration */
 269        struct sram_channel *sram_channels;
 270
 271        /* Analog video */
 272        u32 resources;
 273        unsigned int input;
 274        u32 tvaudio;
 275        v4l2_std_id tvnorm;
 276        unsigned int tuner_type;
 277        unsigned char tuner_addr;
 278        unsigned int radio_type;
 279        unsigned char radio_addr;
 280        unsigned int has_radio;
 281        unsigned int videc_type;
 282        unsigned char videc_addr;
 283        unsigned short _max_num_decoders;
 284
 285        int ctl_bright;
 286        int ctl_contrast;
 287        int ctl_hue;
 288        int ctl_saturation;
 289
 290        struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
 291
 292        /* Analog Audio Upstream */
 293        int _audio_is_running;
 294        int _audiopixel_format;
 295        int _is_first_audio_frame;
 296        int _audiofile_status;
 297        int _audio_lines_count;
 298        int _audioframe_count;
 299        int _audio_upstream_channel_select;
 300        int _last_index_irq;    //The last interrupt index processed.
 301
 302        __le32 *_risc_audio_jmp_addr;
 303        __le32 *_risc_virt_start_addr;
 304        __le32 *_risc_virt_addr;
 305        dma_addr_t _risc_phys_addr;
 306        dma_addr_t _risc_phys_start_addr;
 307
 308        unsigned int _audiorisc_size;
 309        unsigned int _audiodata_buf_size;
 310        __le32 *_audiodata_buf_virt_addr;
 311        dma_addr_t _audiodata_buf_phys_addr;
 312        char *_audiofilename;
 313
 314        /* V4l */
 315        u32 freq;
 316        struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
 317        struct video_device *vbi_dev;
 318        struct video_device *radio_dev;
 319        struct video_device *ioctl_dev;
 320
 321        struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
 322        spinlock_t slock;
 323
 324        /* Video Upstream */
 325        int _line_size;
 326        int _prog_cnt;
 327        int _pixel_format;
 328        int _is_first_frame;
 329        int _is_running;
 330        int _file_status;
 331        int _lines_count;
 332        int _frame_count;
 333        int _channel_upstream_select;
 334        unsigned int _risc_size;
 335
 336        __le32 *_dma_virt_start_addr;
 337        __le32 *_dma_virt_addr;
 338        dma_addr_t _dma_phys_addr;
 339        dma_addr_t _dma_phys_start_addr;
 340
 341        unsigned int _data_buf_size;
 342        __le32 *_data_buf_virt_addr;
 343        dma_addr_t _data_buf_phys_addr;
 344        char *_filename;
 345        char *_defaultname;
 346
 347        int _line_size_ch2;
 348        int _prog_cnt_ch2;
 349        int _pixel_format_ch2;
 350        int _is_first_frame_ch2;
 351        int _is_running_ch2;
 352        int _file_status_ch2;
 353        int _lines_count_ch2;
 354        int _frame_count_ch2;
 355        int _channel2_upstream_select;
 356        unsigned int _risc_size_ch2;
 357
 358        __le32 *_dma_virt_start_addr_ch2;
 359        __le32 *_dma_virt_addr_ch2;
 360        dma_addr_t _dma_phys_addr_ch2;
 361        dma_addr_t _dma_phys_start_addr_ch2;
 362
 363        unsigned int _data_buf_size_ch2;
 364        __le32 *_data_buf_virt_addr_ch2;
 365        dma_addr_t _data_buf_phys_addr_ch2;
 366        char *_filename_ch2;
 367        char *_defaultname_ch2;
 368
 369        /* MPEG Encoder ONLY settings */
 370        u32 cx23417_mailbox;
 371        struct cx2341x_mpeg_params mpeg_params;
 372        struct video_device *v4l_device;
 373        atomic_t v4l_reader_count;
 374        struct cx25821_tvnorm encodernorm;
 375
 376        u32 upstream_riscbuf_size;
 377        u32 upstream_databuf_size;
 378        u32 upstream_riscbuf_size_ch2;
 379        u32 upstream_databuf_size_ch2;
 380        u32 audio_upstream_riscbuf_size;
 381        u32 audio_upstream_databuf_size;
 382        int _isNTSC;
 383        int _frame_index;
 384        int _audioframe_index;
 385        struct workqueue_struct *_irq_queues;
 386        struct work_struct _irq_work_entry;
 387        struct workqueue_struct *_irq_queues_ch2;
 388        struct work_struct _irq_work_entry_ch2;
 389        struct workqueue_struct *_irq_audio_queues;
 390        struct work_struct _audio_work_entry;
 391        char *input_filename;
 392        char *input_filename_ch2;
 393        int _frame_index_ch2;
 394        int _isNTSC_ch2;
 395        char *vid_stdname_ch2;
 396        int pixel_format_ch2;
 397        int channel_select_ch2;
 398        int command_ch2;
 399        char *input_audiofilename;
 400        char *vid_stdname;
 401        int pixel_format;
 402        int channel_select;
 403        int command;
 404        int pixel_formats[VID_CHANNEL_NUM];
 405        int use_cif_resolution[VID_CHANNEL_NUM];
 406        int cif_width[VID_CHANNEL_NUM];
 407        int channel_opened;
 408};
 409
 410struct upstream_user_struct {
 411        char *input_filename;
 412        char *vid_stdname;
 413        int pixel_format;
 414        int channel_select;
 415        int command;
 416};
 417
 418struct downstream_user_struct {
 419        char *vid_stdname;
 420        int pixel_format;
 421        int cif_resolution_enable;
 422        int cif_width;
 423        int decoder_select;
 424        int command;
 425        int reg_address;
 426        int reg_data;
 427};
 428
 429extern struct upstream_user_struct *up_data;
 430
 431static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
 432{
 433        return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
 434}
 435
 436#define cx25821_call_all(dev, o, f, args...) \
 437    v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 438
 439extern struct list_head cx25821_devlist;
 440extern struct cx25821_board cx25821_boards[];
 441extern struct cx25821_subid cx25821_subids[];
 442
 443#define SRAM_CH00  0            /* Video A */
 444#define SRAM_CH01  1            /* Video B */
 445#define SRAM_CH02  2            /* Video C */
 446#define SRAM_CH03  3            /* Video D */
 447#define SRAM_CH04  4            /* Video E */
 448#define SRAM_CH05  5            /* Video F */
 449#define SRAM_CH06  6            /* Video G */
 450#define SRAM_CH07  7            /* Video H */
 451
 452#define SRAM_CH08  8            /* Audio A */
 453#define SRAM_CH09  9            /* Video Upstream I */
 454#define SRAM_CH10  10           /* Video Upstream J */
 455#define SRAM_CH11  11           /* Audio Upstream AUD_CHANNEL_B */
 456
 457#define VID_UPSTREAM_SRAM_CHANNEL_I     SRAM_CH09
 458#define VID_UPSTREAM_SRAM_CHANNEL_J     SRAM_CH10
 459#define AUDIO_UPSTREAM_SRAM_CHANNEL_B   SRAM_CH11
 460#define VIDEO_IOCTL_CH  11
 461
 462struct sram_channel {
 463        char *name;
 464        u32 i;
 465        u32 cmds_start;
 466        u32 ctrl_start;
 467        u32 cdt;
 468        u32 fifo_start;
 469        u32 fifo_size;
 470        u32 ptr1_reg;
 471        u32 ptr2_reg;
 472        u32 cnt1_reg;
 473        u32 cnt2_reg;
 474        u32 int_msk;
 475        u32 int_stat;
 476        u32 int_mstat;
 477        u32 dma_ctl;
 478        u32 gpcnt_ctl;
 479        u32 gpcnt;
 480        u32 aud_length;
 481        u32 aud_cfg;
 482        u32 fld_aud_fifo_en;
 483        u32 fld_aud_risc_en;
 484
 485        //For Upstream Video
 486        u32 vid_fmt_ctl;
 487        u32 vid_active_ctl1;
 488        u32 vid_active_ctl2;
 489        u32 vid_cdt_size;
 490
 491        u32 vip_ctl;
 492        u32 pix_frmt;
 493        u32 jumponly;
 494        u32 irq_bit;
 495};
 496extern struct sram_channel cx25821_sram_channels[];
 497
 498#define STATUS_SUCCESS         0
 499#define STATUS_UNSUCCESSFUL    -1
 500
 501#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 502#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 503
 504#define cx_andor(reg, mask, value) \
 505  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 506  ((value) & (mask)), dev->lmmio+((reg)>>2))
 507
 508#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 509#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 510
 511#define Set_GPIO_Bit(Bit)                       (1 << Bit)
 512#define Clear_GPIO_Bit(Bit)                     (~(1 << Bit))
 513
 514#define CX25821_ERR(fmt, args...)      printk(KERN_ERR  "cx25821(%d): " fmt, dev->board, ## args)
 515#define CX25821_WARN(fmt, args...)     printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args)
 516#define CX25821_INFO(fmt, args...)     printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args)
 517
 518extern int cx25821_i2c_register(struct cx25821_i2c *bus);
 519extern void cx25821_card_setup(struct cx25821_dev *dev);
 520extern int cx25821_ir_init(struct cx25821_dev *dev);
 521extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
 522extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
 523extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
 524extern void cx25821_gpio_init(struct cx25821_dev *dev);
 525extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
 526                                          int pin_number, int pin_logic_value);
 527
 528extern int medusa_video_init(struct cx25821_dev *dev);
 529extern int medusa_set_videostandard(struct cx25821_dev *dev);
 530extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
 531                                  int decoder_select);
 532extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
 533                                 int decoder);
 534extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
 535                               int decoder);
 536extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
 537extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
 538                                 int decoder);
 539
 540extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
 541                                      struct sram_channel *ch, unsigned int bpl,
 542                                      u32 risc);
 543
 544extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 545                               struct scatterlist *sglist,
 546                               unsigned int top_offset,
 547                               unsigned int bottom_offset,
 548                               unsigned int bpl,
 549                               unsigned int padding, unsigned int lines);
 550extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
 551                                         struct btcx_riscmem *risc,
 552                                         struct scatterlist *sglist,
 553                                         unsigned int bpl,
 554                                         unsigned int lines, unsigned int lpi);
 555extern void cx25821_free_buffer(struct videobuf_queue *q,
 556                                struct cx25821_buffer *buf);
 557extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 558                                u32 reg, u32 mask, u32 value);
 559extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
 560                                      struct sram_channel *ch);
 561extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
 562                                            struct sram_channel *ch);
 563
 564extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
 565extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
 566                                  int len, u32 bits, u32 mask);
 567extern void cx25821_dev_unregister(struct cx25821_dev *dev);
 568extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
 569                                            struct sram_channel *ch,
 570                                            unsigned int bpl, u32 risc);
 571
 572extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev,
 573                                        int channel_select, int pixel_format);
 574extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev,
 575                                        int channel_select, int pixel_format);
 576extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
 577                                       int channel_select);
 578extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
 579extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
 580extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
 581extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
 582                                             struct upstream_user_struct
 583                                             *up_data);
 584extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
 585                                             struct upstream_user_struct
 586                                             *up_data);
 587extern void cx25821_start_upstream_audio(struct cx25821_dev *dev,
 588                                         struct upstream_user_struct *up_data);
 589extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
 590extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
 591extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
 592extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
 593                                               struct sram_channel *ch,
 594                                               unsigned int bpl, u32 risc);
 595extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
 596                                     u32 format);
 597extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
 598extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
 599                                              struct pci_dev *pci,
 600                                              struct video_device *template,
 601                                              char *type);
 602#endif
 603