linux/drivers/media/video/cx23885/cx23885.h
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   1/*
   2 *  Driver for the Conexant CX23885 PCIe bridge
   3 *
   4 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
   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/pci.h>
  23#include <linux/i2c.h>
  24#include <linux/i2c-algo-bit.h>
  25#include <linux/kdev_t.h>
  26#include <linux/slab.h>
  27
  28#include <media/v4l2-device.h>
  29#include <media/tuner.h>
  30#include <media/tveeprom.h>
  31#include <media/videobuf-dma-sg.h>
  32#include <media/videobuf-dvb.h>
  33#include <media/rc-core.h>
  34
  35#include "btcx-risc.h"
  36#include "cx23885-reg.h"
  37#include "media/cx2341x.h"
  38
  39#include <linux/version.h>
  40#include <linux/mutex.h>
  41
  42#define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 2)
  43
  44#define UNSET (-1U)
  45
  46#define CX23885_MAXBOARDS 8
  47
  48/* Max number of inputs by card */
  49#define MAX_CX23885_INPUT 8
  50#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
  51#define RESOURCE_OVERLAY       1
  52#define RESOURCE_VIDEO         2
  53#define RESOURCE_VBI           4
  54
  55#define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  56
  57#define CX23885_BOARD_NOAUTO               UNSET
  58#define CX23885_BOARD_UNKNOWN                  0
  59#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  60#define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  61#define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  62#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  63#define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
  64#define CX23885_BOARD_HAUPPAUGE_HVR1500        6
  65#define CX23885_BOARD_HAUPPAUGE_HVR1200        7
  66#define CX23885_BOARD_HAUPPAUGE_HVR1700        8
  67#define CX23885_BOARD_HAUPPAUGE_HVR1400        9
  68#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
  69#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
  70#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
  71#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
  72#define CX23885_BOARD_TBS_6920                 14
  73#define CX23885_BOARD_TEVII_S470               15
  74#define CX23885_BOARD_DVBWORLD_2005            16
  75#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
  76#define CX23885_BOARD_HAUPPAUGE_HVR1270        18
  77#define CX23885_BOARD_HAUPPAUGE_HVR1275        19
  78#define CX23885_BOARD_HAUPPAUGE_HVR1255        20
  79#define CX23885_BOARD_HAUPPAUGE_HVR1210        21
  80#define CX23885_BOARD_MYGICA_X8506             22
  81#define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
  82#define CX23885_BOARD_HAUPPAUGE_HVR1850        24
  83#define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
  84#define CX23885_BOARD_HAUPPAUGE_HVR1290        26
  85#define CX23885_BOARD_MYGICA_X8558PRO          27
  86#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
  87#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
  88
  89#define GPIO_0 0x00000001
  90#define GPIO_1 0x00000002
  91#define GPIO_2 0x00000004
  92#define GPIO_3 0x00000008
  93#define GPIO_4 0x00000010
  94#define GPIO_5 0x00000020
  95#define GPIO_6 0x00000040
  96#define GPIO_7 0x00000080
  97#define GPIO_8 0x00000100
  98#define GPIO_9 0x00000200
  99#define GPIO_10 0x00000400
 100#define GPIO_11 0x00000800
 101#define GPIO_12 0x00001000
 102#define GPIO_13 0x00002000
 103#define GPIO_14 0x00004000
 104#define GPIO_15 0x00008000
 105
 106/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
 107#define CX23885_NORMS (\
 108        V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
 109        V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
 110        V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
 111        V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
 112
 113struct cx23885_fmt {
 114        char  *name;
 115        u32   fourcc;          /* v4l2 format id */
 116        int   depth;
 117        int   flags;
 118        u32   cxformat;
 119};
 120
 121struct cx23885_ctrl {
 122        struct v4l2_queryctrl v;
 123        u32                   off;
 124        u32                   reg;
 125        u32                   mask;
 126        u32                   shift;
 127};
 128
 129struct cx23885_tvnorm {
 130        char            *name;
 131        v4l2_std_id     id;
 132        u32             cxiformat;
 133        u32             cxoformat;
 134};
 135
 136struct cx23885_fh {
 137        struct cx23885_dev         *dev;
 138        enum v4l2_buf_type         type;
 139        int                        radio;
 140        u32                        resources;
 141
 142        /* video overlay */
 143        struct v4l2_window         win;
 144        struct v4l2_clip           *clips;
 145        unsigned int               nclips;
 146
 147        /* video capture */
 148        struct cx23885_fmt         *fmt;
 149        unsigned int               width, height;
 150
 151        /* vbi capture */
 152        struct videobuf_queue      vidq;
 153        struct videobuf_queue      vbiq;
 154
 155        /* MPEG Encoder specifics ONLY */
 156        struct videobuf_queue      mpegq;
 157        atomic_t                   v4l_reading;
 158};
 159
 160enum cx23885_itype {
 161        CX23885_VMUX_COMPOSITE1 = 1,
 162        CX23885_VMUX_COMPOSITE2,
 163        CX23885_VMUX_COMPOSITE3,
 164        CX23885_VMUX_COMPOSITE4,
 165        CX23885_VMUX_SVIDEO,
 166        CX23885_VMUX_COMPONENT,
 167        CX23885_VMUX_TELEVISION,
 168        CX23885_VMUX_CABLE,
 169        CX23885_VMUX_DVB,
 170        CX23885_VMUX_DEBUG,
 171        CX23885_RADIO,
 172};
 173
 174enum cx23885_src_sel_type {
 175        CX23885_SRC_SEL_EXT_656_VIDEO = 0,
 176        CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
 177};
 178
 179/* buffer for one video frame */
 180struct cx23885_buffer {
 181        /* common v4l buffer stuff -- must be first */
 182        struct videobuf_buffer vb;
 183
 184        /* cx23885 specific */
 185        unsigned int           bpl;
 186        struct btcx_riscmem    risc;
 187        struct cx23885_fmt     *fmt;
 188        u32                    count;
 189};
 190
 191struct cx23885_input {
 192        enum cx23885_itype type;
 193        unsigned int    vmux;
 194        u32             gpio0, gpio1, gpio2, gpio3;
 195};
 196
 197typedef enum {
 198        CX23885_MPEG_UNDEFINED = 0,
 199        CX23885_MPEG_DVB,
 200        CX23885_ANALOG_VIDEO,
 201        CX23885_MPEG_ENCODER,
 202} port_t;
 203
 204struct cx23885_board {
 205        char                    *name;
 206        port_t                  porta, portb, portc;
 207        unsigned int            tuner_type;
 208        unsigned int            radio_type;
 209        unsigned char           tuner_addr;
 210        unsigned char           radio_addr;
 211
 212        /* Vendors can and do run the PCIe bridge at different
 213         * clock rates, driven physically by crystals on the PCBs.
 214         * The core has to accomodate this. This allows the user
 215         * to add new boards with new frequencys. The value is
 216         * expressed in Hz.
 217         *
 218         * The core framework will default this value based on
 219         * current designs, but it can vary.
 220         */
 221        u32                     clk_freq;
 222        struct cx23885_input    input[MAX_CX23885_INPUT];
 223        int                     cimax; /* for NetUP */
 224};
 225
 226struct cx23885_subid {
 227        u16     subvendor;
 228        u16     subdevice;
 229        u32     card;
 230};
 231
 232struct cx23885_i2c {
 233        struct cx23885_dev *dev;
 234
 235        int                        nr;
 236
 237        /* i2c i/o */
 238        struct i2c_adapter         i2c_adap;
 239        struct i2c_algo_bit_data   i2c_algo;
 240        struct i2c_client          i2c_client;
 241        u32                        i2c_rc;
 242
 243        /* 885 registers used for raw addess */
 244        u32                        i2c_period;
 245        u32                        reg_ctrl;
 246        u32                        reg_stat;
 247        u32                        reg_addr;
 248        u32                        reg_rdata;
 249        u32                        reg_wdata;
 250};
 251
 252struct cx23885_dmaqueue {
 253        struct list_head       active;
 254        struct list_head       queued;
 255        struct timer_list      timeout;
 256        struct btcx_riscmem    stopper;
 257        u32                    count;
 258};
 259
 260struct cx23885_tsport {
 261        struct cx23885_dev *dev;
 262
 263        int                        nr;
 264        int                        sram_chno;
 265
 266        struct videobuf_dvb_frontends frontends;
 267
 268        /* dma queues */
 269        struct cx23885_dmaqueue    mpegq;
 270        u32                        ts_packet_size;
 271        u32                        ts_packet_count;
 272
 273        int                        width;
 274        int                        height;
 275
 276        spinlock_t                 slock;
 277
 278        /* registers */
 279        u32                        reg_gpcnt;
 280        u32                        reg_gpcnt_ctl;
 281        u32                        reg_dma_ctl;
 282        u32                        reg_lngth;
 283        u32                        reg_hw_sop_ctrl;
 284        u32                        reg_gen_ctrl;
 285        u32                        reg_bd_pkt_status;
 286        u32                        reg_sop_status;
 287        u32                        reg_fifo_ovfl_stat;
 288        u32                        reg_vld_misc;
 289        u32                        reg_ts_clk_en;
 290        u32                        reg_ts_int_msk;
 291        u32                        reg_ts_int_stat;
 292        u32                        reg_src_sel;
 293
 294        /* Default register vals */
 295        int                        pci_irqmask;
 296        u32                        dma_ctl_val;
 297        u32                        ts_int_msk_val;
 298        u32                        gen_ctrl_val;
 299        u32                        ts_clk_en_val;
 300        u32                        src_sel_val;
 301        u32                        vld_misc_val;
 302        u32                        hw_sop_ctrl_val;
 303
 304        /* Allow a single tsport to have multiple frontends */
 305        u32                        num_frontends;
 306        void                       *port_priv;
 307};
 308
 309struct cx23885_kernel_ir {
 310        struct cx23885_dev      *cx;
 311        char                    *name;
 312        char                    *phys;
 313
 314        struct rc_dev           *rc;
 315};
 316
 317struct cx23885_dev {
 318        atomic_t                   refcount;
 319        struct v4l2_device         v4l2_dev;
 320
 321        /* pci stuff */
 322        struct pci_dev             *pci;
 323        unsigned char              pci_rev, pci_lat;
 324        int                        pci_bus, pci_slot;
 325        u32                        __iomem *lmmio;
 326        u8                         __iomem *bmmio;
 327        int                        pci_irqmask;
 328        spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
 329        int                        hwrevision;
 330
 331        /* This valud is board specific and is used to configure the
 332         * AV core so we see nice clean and stable video and audio. */
 333        u32                        clk_freq;
 334
 335        /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 336        struct cx23885_i2c         i2c_bus[3];
 337
 338        int                        nr;
 339        struct mutex               lock;
 340        struct mutex               gpio_lock;
 341
 342        /* board details */
 343        unsigned int               board;
 344        char                       name[32];
 345
 346        struct cx23885_tsport      ts1, ts2;
 347
 348        /* sram configuration */
 349        struct sram_channel        *sram_channels;
 350
 351        enum {
 352                CX23885_BRIDGE_UNDEFINED = 0,
 353                CX23885_BRIDGE_885 = 885,
 354                CX23885_BRIDGE_887 = 887,
 355                CX23885_BRIDGE_888 = 888,
 356        } bridge;
 357
 358        /* Analog video */
 359        u32                        resources;
 360        unsigned int               input;
 361        u32                        tvaudio;
 362        v4l2_std_id                tvnorm;
 363        unsigned int               tuner_type;
 364        unsigned char              tuner_addr;
 365        unsigned int               radio_type;
 366        unsigned char              radio_addr;
 367        unsigned int               has_radio;
 368        struct v4l2_subdev         *sd_cx25840;
 369        struct work_struct         cx25840_work;
 370
 371        /* Infrared */
 372        struct v4l2_subdev         *sd_ir;
 373        struct work_struct         ir_rx_work;
 374        unsigned long              ir_rx_notifications;
 375        struct work_struct         ir_tx_work;
 376        unsigned long              ir_tx_notifications;
 377
 378        struct cx23885_kernel_ir   *kernel_ir;
 379        atomic_t                   ir_input_stopping;
 380
 381        /* V4l */
 382        u32                        freq;
 383        struct video_device        *video_dev;
 384        struct video_device        *vbi_dev;
 385        struct video_device        *radio_dev;
 386
 387        struct cx23885_dmaqueue    vidq;
 388        struct cx23885_dmaqueue    vbiq;
 389        spinlock_t                 slock;
 390
 391        /* MPEG Encoder ONLY settings */
 392        u32                        cx23417_mailbox;
 393        struct cx2341x_mpeg_params mpeg_params;
 394        struct video_device        *v4l_device;
 395        atomic_t                   v4l_reader_count;
 396        struct cx23885_tvnorm      encodernorm;
 397
 398};
 399
 400static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
 401{
 402        return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
 403}
 404
 405#define call_all(dev, o, f, args...) \
 406        v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 407
 408#define CX23885_HW_888_IR  (1 << 0)
 409#define CX23885_HW_AV_CORE (1 << 1)
 410
 411#define call_hw(dev, grpid, o, f, args...) \
 412        v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
 413
 414extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
 415
 416#define SRAM_CH01  0 /* Video A */
 417#define SRAM_CH02  1 /* VBI A */
 418#define SRAM_CH03  2 /* Video B */
 419#define SRAM_CH04  3 /* Transport via B */
 420#define SRAM_CH05  4 /* VBI B */
 421#define SRAM_CH06  5 /* Video C */
 422#define SRAM_CH07  6 /* Transport via C */
 423#define SRAM_CH08  7 /* Audio Internal A */
 424#define SRAM_CH09  8 /* Audio Internal B */
 425#define SRAM_CH10  9 /* Audio External */
 426#define SRAM_CH11 10 /* COMB_3D_N */
 427#define SRAM_CH12 11 /* Comb 3D N1 */
 428#define SRAM_CH13 12 /* Comb 3D N2 */
 429#define SRAM_CH14 13 /* MOE Vid */
 430#define SRAM_CH15 14 /* MOE RSLT */
 431
 432struct sram_channel {
 433        char *name;
 434        u32  cmds_start;
 435        u32  ctrl_start;
 436        u32  cdt;
 437        u32  fifo_start;
 438        u32  fifo_size;
 439        u32  ptr1_reg;
 440        u32  ptr2_reg;
 441        u32  cnt1_reg;
 442        u32  cnt2_reg;
 443        u32  jumponly;
 444};
 445
 446/* ----------------------------------------------------------- */
 447
 448#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 449#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 450
 451#define cx_andor(reg, mask, value) \
 452  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 453  ((value) & (mask)), dev->lmmio+((reg)>>2))
 454
 455#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
 456#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 457
 458/* ----------------------------------------------------------- */
 459/* cx23885-core.c                                              */
 460
 461extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 462        struct sram_channel *ch,
 463        unsigned int bpl, u32 risc);
 464
 465extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 466        struct sram_channel *ch);
 467
 468extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 469        u32 reg, u32 mask, u32 value);
 470
 471extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 472        struct scatterlist *sglist,
 473        unsigned int top_offset, unsigned int bottom_offset,
 474        unsigned int bpl, unsigned int padding, unsigned int lines);
 475
 476void cx23885_cancel_buffers(struct cx23885_tsport *port);
 477
 478extern int cx23885_restart_queue(struct cx23885_tsport *port,
 479                                struct cx23885_dmaqueue *q);
 480
 481extern void cx23885_wakeup(struct cx23885_tsport *port,
 482                           struct cx23885_dmaqueue *q, u32 count);
 483
 484extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
 485extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
 486extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
 487extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
 488        int asoutput);
 489
 490extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
 491extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
 492extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
 493extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
 494
 495/* ----------------------------------------------------------- */
 496/* cx23885-cards.c                                             */
 497extern struct cx23885_board cx23885_boards[];
 498extern const unsigned int cx23885_bcount;
 499
 500extern struct cx23885_subid cx23885_subids[];
 501extern const unsigned int cx23885_idcount;
 502
 503extern int cx23885_tuner_callback(void *priv, int component,
 504        int command, int arg);
 505extern void cx23885_card_list(struct cx23885_dev *dev);
 506extern int  cx23885_ir_init(struct cx23885_dev *dev);
 507extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
 508extern void cx23885_ir_fini(struct cx23885_dev *dev);
 509extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 510extern void cx23885_card_setup(struct cx23885_dev *dev);
 511extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 512
 513extern int cx23885_dvb_register(struct cx23885_tsport *port);
 514extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 515
 516extern int cx23885_buf_prepare(struct videobuf_queue *q,
 517                               struct cx23885_tsport *port,
 518                               struct cx23885_buffer *buf,
 519                               enum v4l2_field field);
 520extern void cx23885_buf_queue(struct cx23885_tsport *port,
 521                              struct cx23885_buffer *buf);
 522extern void cx23885_free_buffer(struct videobuf_queue *q,
 523                                struct cx23885_buffer *buf);
 524
 525/* ----------------------------------------------------------- */
 526/* cx23885-video.c                                             */
 527/* Video */
 528extern int cx23885_video_register(struct cx23885_dev *dev);
 529extern void cx23885_video_unregister(struct cx23885_dev *dev);
 530extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
 531
 532/* ----------------------------------------------------------- */
 533/* cx23885-vbi.c                                               */
 534extern int cx23885_vbi_fmt(struct file *file, void *priv,
 535        struct v4l2_format *f);
 536extern void cx23885_vbi_timeout(unsigned long data);
 537extern struct videobuf_queue_ops cx23885_vbi_qops;
 538
 539/* cx23885-i2c.c                                                */
 540extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 541extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 542extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
 543
 544/* ----------------------------------------------------------- */
 545/* cx23885-417.c                                               */
 546extern int cx23885_417_register(struct cx23885_dev *dev);
 547extern void cx23885_417_unregister(struct cx23885_dev *dev);
 548extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
 549extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
 550extern void cx23885_mc417_init(struct cx23885_dev *dev);
 551extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
 552extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
 553extern int mc417_register_read(struct cx23885_dev *dev,
 554                                u16 address, u32 *value);
 555extern int mc417_register_write(struct cx23885_dev *dev,
 556                                u16 address, u32 value);
 557extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
 558extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
 559extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
 560
 561
 562/* ----------------------------------------------------------- */
 563/* tv norms                                                    */
 564
 565static inline unsigned int norm_maxw(v4l2_std_id norm)
 566{
 567        return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
 568}
 569
 570static inline unsigned int norm_maxh(v4l2_std_id norm)
 571{
 572        return (norm & V4L2_STD_625_50) ? 576 : 480;
 573}
 574
 575static inline unsigned int norm_swidth(v4l2_std_id norm)
 576{
 577        return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 578}
 579