linux/drivers/media/usb/cx231xx/cx231xx-417.c
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   1/*
   2 *
   3 *  Support for a cx23417 mpeg encoder via cx231xx host port.
   4 *
   5 *    (c) 2004 Jelle Foks <jelle@foks.us>
   6 *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
   7 *    (c) 2008 Steven Toth <stoth@linuxtv.org>
   8 *      - CX23885/7/8 support
   9 *
  10 *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
  11 *
  12 *  This program is free software; you can redistribute it and/or modify
  13 *  it under the terms of the GNU General Public License as published by
  14 *  the Free Software Foundation; either version 2 of the License, or
  15 *  (at your option) any later version.
  16 *
  17 *  This program is distributed in the hope that it will be useful,
  18 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 *  GNU General Public License for more details.
  21 *
  22 *  You should have received a copy of the GNU General Public License
  23 *  along with this program; if not, write to the Free Software
  24 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25 */
  26
  27#include <linux/module.h>
  28#include <linux/moduleparam.h>
  29#include <linux/init.h>
  30#include <linux/fs.h>
  31#include <linux/delay.h>
  32#include <linux/device.h>
  33#include <linux/firmware.h>
  34#include <linux/vmalloc.h>
  35#include <media/v4l2-common.h>
  36#include <media/v4l2-ioctl.h>
  37#include <media/v4l2-event.h>
  38#include <media/cx2341x.h>
  39#include <media/tuner.h>
  40#include <linux/usb.h>
  41
  42#include "cx231xx.h"
  43
  44#define CX231xx_FIRM_IMAGE_SIZE 376836
  45#define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
  46
  47/* for polaris ITVC */
  48#define ITVC_WRITE_DIR          0x03FDFC00
  49#define ITVC_READ_DIR            0x0001FC00
  50
  51#define  MCI_MEMORY_DATA_BYTE0          0x00
  52#define  MCI_MEMORY_DATA_BYTE1          0x08
  53#define  MCI_MEMORY_DATA_BYTE2          0x10
  54#define  MCI_MEMORY_DATA_BYTE3          0x18
  55
  56#define  MCI_MEMORY_ADDRESS_BYTE2       0x20
  57#define  MCI_MEMORY_ADDRESS_BYTE1       0x28
  58#define  MCI_MEMORY_ADDRESS_BYTE0       0x30
  59
  60#define  MCI_REGISTER_DATA_BYTE0        0x40
  61#define  MCI_REGISTER_DATA_BYTE1        0x48
  62#define  MCI_REGISTER_DATA_BYTE2        0x50
  63#define  MCI_REGISTER_DATA_BYTE3        0x58
  64
  65#define  MCI_REGISTER_ADDRESS_BYTE0     0x60
  66#define  MCI_REGISTER_ADDRESS_BYTE1     0x68
  67
  68#define  MCI_REGISTER_MODE              0x70
  69
  70/* Read and write modes for polaris ITVC */
  71#define  MCI_MODE_REGISTER_READ         0x000
  72#define  MCI_MODE_REGISTER_WRITE        0x100
  73#define  MCI_MODE_MEMORY_READ           0x000
  74#define  MCI_MODE_MEMORY_WRITE          0x4000
  75
  76static unsigned int mpegbufs = 8;
  77module_param(mpegbufs, int, 0644);
  78MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
  79
  80static unsigned int mpeglines = 128;
  81module_param(mpeglines, int, 0644);
  82MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
  83
  84static unsigned int mpeglinesize = 512;
  85module_param(mpeglinesize, int, 0644);
  86MODULE_PARM_DESC(mpeglinesize,
  87        "number of bytes in each line of an MPEG buffer, range 512-1024");
  88
  89static unsigned int v4l_debug = 1;
  90module_param(v4l_debug, int, 0644);
  91MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
  92
  93#define dprintk(level, fmt, arg...)\
  94        do { if (v4l_debug >= level) \
  95                pr_info("%s: " fmt, \
  96                (dev) ? dev->name : "cx231xx[?]", ## arg); \
  97        } while (0)
  98
  99static struct cx231xx_tvnorm cx231xx_tvnorms[] = {
 100        {
 101                .name      = "NTSC-M",
 102                .id        = V4L2_STD_NTSC_M,
 103        }, {
 104                .name      = "NTSC-JP",
 105                .id        = V4L2_STD_NTSC_M_JP,
 106        }, {
 107                .name      = "PAL-BG",
 108                .id        = V4L2_STD_PAL_BG,
 109        }, {
 110                .name      = "PAL-DK",
 111                .id        = V4L2_STD_PAL_DK,
 112        }, {
 113                .name      = "PAL-I",
 114                .id        = V4L2_STD_PAL_I,
 115        }, {
 116                .name      = "PAL-M",
 117                .id        = V4L2_STD_PAL_M,
 118        }, {
 119                .name      = "PAL-N",
 120                .id        = V4L2_STD_PAL_N,
 121        }, {
 122                .name      = "PAL-Nc",
 123                .id        = V4L2_STD_PAL_Nc,
 124        }, {
 125                .name      = "PAL-60",
 126                .id        = V4L2_STD_PAL_60,
 127        }, {
 128                .name      = "SECAM-L",
 129                .id        = V4L2_STD_SECAM_L,
 130        }, {
 131                .name      = "SECAM-DK",
 132                .id        = V4L2_STD_SECAM_DK,
 133        }
 134};
 135
 136/* ------------------------------------------------------------------ */
 137
 138enum cx231xx_capture_type {
 139        CX231xx_MPEG_CAPTURE,
 140        CX231xx_RAW_CAPTURE,
 141        CX231xx_RAW_PASSTHRU_CAPTURE
 142};
 143
 144enum cx231xx_capture_bits {
 145        CX231xx_RAW_BITS_NONE             = 0x00,
 146        CX231xx_RAW_BITS_YUV_CAPTURE      = 0x01,
 147        CX231xx_RAW_BITS_PCM_CAPTURE      = 0x02,
 148        CX231xx_RAW_BITS_VBI_CAPTURE      = 0x04,
 149        CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
 150        CX231xx_RAW_BITS_TO_HOST_CAPTURE  = 0x10
 151};
 152
 153enum cx231xx_capture_end {
 154        CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */
 155        CX231xx_END_NOW, /* stop immediately, no irq */
 156};
 157
 158enum cx231xx_framerate {
 159        CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */
 160        CX231xx_FRAMERATE_PAL_25   /* PAL: 25fps */
 161};
 162
 163enum cx231xx_stream_port {
 164        CX231xx_OUTPUT_PORT_MEMORY,
 165        CX231xx_OUTPUT_PORT_STREAMING,
 166        CX231xx_OUTPUT_PORT_SERIAL
 167};
 168
 169enum cx231xx_data_xfer_status {
 170        CX231xx_MORE_BUFFERS_FOLLOW,
 171        CX231xx_LAST_BUFFER,
 172};
 173
 174enum cx231xx_picture_mask {
 175        CX231xx_PICTURE_MASK_NONE,
 176        CX231xx_PICTURE_MASK_I_FRAMES,
 177        CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3,
 178        CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7,
 179};
 180
 181enum cx231xx_vbi_mode_bits {
 182        CX231xx_VBI_BITS_SLICED,
 183        CX231xx_VBI_BITS_RAW,
 184};
 185
 186enum cx231xx_vbi_insertion_bits {
 187        CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 188        CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 189        CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 190        CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 191        CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 192};
 193
 194enum cx231xx_dma_unit {
 195        CX231xx_DMA_BYTES,
 196        CX231xx_DMA_FRAMES,
 197};
 198
 199enum cx231xx_dma_transfer_status_bits {
 200        CX231xx_DMA_TRANSFER_BITS_DONE = 0x01,
 201        CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04,
 202        CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 203};
 204
 205enum cx231xx_pause {
 206        CX231xx_PAUSE_ENCODING,
 207        CX231xx_RESUME_ENCODING,
 208};
 209
 210enum cx231xx_copyright {
 211        CX231xx_COPYRIGHT_OFF,
 212        CX231xx_COPYRIGHT_ON,
 213};
 214
 215enum cx231xx_notification_type {
 216        CX231xx_NOTIFICATION_REFRESH,
 217};
 218
 219enum cx231xx_notification_status {
 220        CX231xx_NOTIFICATION_OFF,
 221        CX231xx_NOTIFICATION_ON,
 222};
 223
 224enum cx231xx_notification_mailbox {
 225        CX231xx_NOTIFICATION_NO_MAILBOX = -1,
 226};
 227
 228enum cx231xx_field1_lines {
 229        CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */
 230        CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */
 231        CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */
 232};
 233
 234enum cx231xx_field2_lines {
 235        CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */
 236        CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */
 237        CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */
 238};
 239
 240enum cx231xx_custom_data_type {
 241        CX231xx_CUSTOM_EXTENSION_USR_DATA,
 242        CX231xx_CUSTOM_PRIVATE_PACKET,
 243};
 244
 245enum cx231xx_mute {
 246        CX231xx_UNMUTE,
 247        CX231xx_MUTE,
 248};
 249
 250enum cx231xx_mute_video_mask {
 251        CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00,
 252        CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000,
 253        CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000,
 254};
 255
 256enum cx231xx_mute_video_shift {
 257        CX231xx_MUTE_VIDEO_V_SHIFT = 8,
 258        CX231xx_MUTE_VIDEO_U_SHIFT = 16,
 259        CX231xx_MUTE_VIDEO_Y_SHIFT = 24,
 260};
 261
 262/* defines below are from ivtv-driver.h */
 263#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
 264
 265/* Firmware API commands */
 266#define IVTV_API_STD_TIMEOUT 500
 267
 268/* Registers */
 269/* IVTV_REG_OFFSET */
 270#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
 271#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
 272#define IVTV_REG_SPU (0x9050)
 273#define IVTV_REG_HW_BLOCKS (0x9054)
 274#define IVTV_REG_VPU (0x9058)
 275#define IVTV_REG_APU (0xA064)
 276
 277/*
 278 * Bit definitions for MC417_RWD and MC417_OEN registers
 279 *
 280 * bits 31-16
 281 *+-----------+
 282 *| Reserved  |
 283 *|+-----------+
 284 *|  bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
 285 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 286 *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
 287 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 288 *| bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
 289 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 290 *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
 291 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 292 */
 293#define MC417_MIWR      0x8000
 294#define MC417_MIRD      0x4000
 295#define MC417_MICS      0x2000
 296#define MC417_MIRDY     0x1000
 297#define MC417_MIADDR    0x0F00
 298#define MC417_MIDATA    0x00FF
 299
 300
 301/* Bit definitions for MC417_CTL register ****
 302 *bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
 303 *+--------+-------------+--------+--------------+------------+
 304 *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
 305 *+--------+-------------+--------+--------------+------------+
 306 */
 307#define MC417_SPD_CTL(x)        (((x) << 4) & 0x00000030)
 308#define MC417_GPIO_SEL(x)       (((x) << 1) & 0x00000006)
 309#define MC417_UART_GPIO_EN      0x00000001
 310
 311/* Values for speed control */
 312#define MC417_SPD_CTL_SLOW      0x1
 313#define MC417_SPD_CTL_MEDIUM    0x0
 314#define MC417_SPD_CTL_FAST      0x3     /* b'1x, but we use b'11 */
 315
 316/* Values for GPIO select */
 317#define MC417_GPIO_SEL_GPIO3    0x3
 318#define MC417_GPIO_SEL_GPIO2    0x2
 319#define MC417_GPIO_SEL_GPIO1    0x1
 320#define MC417_GPIO_SEL_GPIO0    0x0
 321
 322
 323#define CX23417_GPIO_MASK 0xFC0003FF
 324
 325static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value)
 326{
 327        int status = 0;
 328        u32 _gpio_direction = 0;
 329
 330        _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
 331        _gpio_direction = _gpio_direction | gpio_direction;
 332        status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
 333                         (u8 *)&value, 4, 0, 0);
 334        return status;
 335}
 336
 337static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr)
 338{
 339        int status = 0;
 340        u32 _gpio_direction = 0;
 341
 342        _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
 343        _gpio_direction = _gpio_direction | gpio_direction;
 344
 345        status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
 346                 (u8 *)val_ptr, 4, 0, 1);
 347        return status;
 348}
 349
 350static int wait_for_mci_complete(struct cx231xx *dev)
 351{
 352        u32 gpio;
 353        u32 gpio_direction = 0;
 354        u8 count = 0;
 355        get_itvc_reg(dev, gpio_direction, &gpio);
 356
 357        while (!(gpio&0x020000)) {
 358                msleep(10);
 359
 360                get_itvc_reg(dev, gpio_direction, &gpio);
 361
 362                if (count++ > 100) {
 363                        dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio);
 364                        return -1;
 365                }
 366        }
 367        return 0;
 368}
 369
 370static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value)
 371{
 372        u32 temp;
 373        int status = 0;
 374
 375        temp = 0x82 | MCI_REGISTER_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 376        temp = temp << 10;
 377        status = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 378        if (status < 0)
 379                return status;
 380        temp = temp | (0x05 << 10);
 381        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 382
 383        /*write data byte 1;*/
 384        temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00);
 385        temp = temp << 10;
 386        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 387        temp = temp | (0x05 << 10);
 388        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 389
 390        /*write data byte 2;*/
 391        temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 392        temp = temp << 10;
 393        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 394        temp = temp | (0x05 << 10);
 395        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 396
 397        /*write data byte 3;*/
 398        temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 399        temp = temp << 10;
 400        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 401        temp = temp | (0x05 << 10);
 402        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 403
 404        /*write address byte 0;*/
 405        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8);
 406        temp = temp << 10;
 407        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 408        temp = temp | (0x05 << 10);
 409        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 410
 411        /*write address byte 1;*/
 412        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00);
 413        temp = temp << 10;
 414        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 415        temp = temp | (0x05 << 10);
 416        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 417
 418        /*Write that the mode is write.*/
 419        temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE;
 420        temp = temp << 10;
 421        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 422        temp = temp | (0x05 << 10);
 423        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 424
 425        return wait_for_mci_complete(dev);
 426}
 427
 428static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value)
 429{
 430        /*write address byte 0;*/
 431        u32 temp;
 432        u32 return_value = 0;
 433        int ret = 0;
 434
 435        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 436        temp = temp << 10;
 437        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 438        temp = temp | ((0x05) << 10);
 439        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 440
 441        /*write address byte 1;*/
 442        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00);
 443        temp = temp << 10;
 444        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 445        temp = temp | ((0x05) << 10);
 446        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 447
 448        /*write that the mode is read;*/
 449        temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ;
 450        temp = temp << 10;
 451        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 452        temp = temp | ((0x05) << 10);
 453        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 454
 455        /*wait for the MIRDY line to be asserted ,
 456        signalling that the read is done;*/
 457        ret = wait_for_mci_complete(dev);
 458
 459        /*switch the DATA- GPIO to input mode;*/
 460
 461        /*Read data byte 0;*/
 462        temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10;
 463        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 464        temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10);
 465        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 466        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 467        return_value |= ((temp & 0x03FC0000) >> 18);
 468        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 469
 470        /* Read data byte 1;*/
 471        temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10;
 472        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 473        temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10);
 474        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 475        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 476
 477        return_value |= ((temp & 0x03FC0000) >> 10);
 478        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 479
 480        /*Read data byte 2;*/
 481        temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10;
 482        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 483        temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10);
 484        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 485        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 486        return_value |= ((temp & 0x03FC0000) >> 2);
 487        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 488
 489        /*Read data byte 3;*/
 490        temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10;
 491        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 492        temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10);
 493        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 494        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 495        return_value |= ((temp & 0x03FC0000) << 6);
 496        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 497
 498        *value  = return_value;
 499        return ret;
 500}
 501
 502static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value)
 503{
 504        /*write data byte 0;*/
 505
 506        u32 temp;
 507        int ret = 0;
 508
 509        temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 510        temp = temp << 10;
 511        ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 512        if (ret < 0)
 513                return ret;
 514        temp = temp | (0x05 << 10);
 515        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 516
 517        /*write data byte 1;*/
 518        temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
 519        temp = temp << 10;
 520        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 521        temp = temp | (0x05 << 10);
 522        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 523
 524        /*write data byte 2;*/
 525        temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 526        temp = temp << 10;
 527        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 528        temp = temp | (0x05 << 10);
 529        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 530
 531        /*write data byte 3;*/
 532        temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 533        temp = temp << 10;
 534        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 535        temp = temp | (0x05 << 10);
 536        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 537
 538        /* write address byte 2;*/
 539        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
 540                ((address & 0x003F0000) >> 8);
 541        temp = temp << 10;
 542        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 543        temp = temp | (0x05 << 10);
 544        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 545
 546        /* write address byte 1;*/
 547        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 548        temp = temp << 10;
 549        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 550        temp = temp | (0x05 << 10);
 551        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 552
 553        /* write address byte 0;*/
 554        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 555        temp = temp << 10;
 556        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 557        temp = temp | (0x05 << 10);
 558        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 559
 560        /*wait for MIRDY line;*/
 561        wait_for_mci_complete(dev);
 562
 563        return 0;
 564}
 565
 566static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value)
 567{
 568        u32 temp = 0;
 569        u32 return_value = 0;
 570        int ret = 0;
 571
 572        /*write address byte 2;*/
 573        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ |
 574                ((address & 0x003F0000) >> 8);
 575        temp = temp << 10;
 576        ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 577        if (ret < 0)
 578                return ret;
 579        temp = temp | (0x05 << 10);
 580        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 581
 582        /*write address byte 1*/
 583        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 584        temp = temp << 10;
 585        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 586        temp = temp | (0x05 << 10);
 587        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 588
 589        /*write address byte 0*/
 590        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 591        temp = temp << 10;
 592        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 593        temp = temp | (0x05 << 10);
 594        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 595
 596        /*Wait for MIRDY line*/
 597        ret = wait_for_mci_complete(dev);
 598
 599
 600        /*Read data byte 3;*/
 601        temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10;
 602        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 603        temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10);
 604        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 605        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 606        return_value |= ((temp & 0x03FC0000) << 6);
 607        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 608
 609        /*Read data byte 2;*/
 610        temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10;
 611        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 612        temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10);
 613        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 614        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 615        return_value |= ((temp & 0x03FC0000) >> 2);
 616        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 617
 618        /* Read data byte 1;*/
 619        temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10;
 620        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 621        temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10);
 622        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 623        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 624        return_value |= ((temp & 0x03FC0000) >> 10);
 625        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 626
 627        /*Read data byte 0;*/
 628        temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10;
 629        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 630        temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10);
 631        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 632        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 633        return_value |= ((temp & 0x03FC0000) >> 18);
 634        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 635
 636        *value  = return_value;
 637        return ret;
 638}
 639
 640/* ------------------------------------------------------------------ */
 641
 642/* MPEG encoder API */
 643static char *cmd_to_str(int cmd)
 644{
 645        switch (cmd) {
 646        case CX2341X_ENC_PING_FW:
 647                return "PING_FW";
 648        case CX2341X_ENC_START_CAPTURE:
 649                return "START_CAPTURE";
 650        case CX2341X_ENC_STOP_CAPTURE:
 651                return "STOP_CAPTURE";
 652        case CX2341X_ENC_SET_AUDIO_ID:
 653                return "SET_AUDIO_ID";
 654        case CX2341X_ENC_SET_VIDEO_ID:
 655                return "SET_VIDEO_ID";
 656        case CX2341X_ENC_SET_PCR_ID:
 657                return "SET_PCR_PID";
 658        case CX2341X_ENC_SET_FRAME_RATE:
 659                return "SET_FRAME_RATE";
 660        case CX2341X_ENC_SET_FRAME_SIZE:
 661                return "SET_FRAME_SIZE";
 662        case CX2341X_ENC_SET_BIT_RATE:
 663                return "SET_BIT_RATE";
 664        case CX2341X_ENC_SET_GOP_PROPERTIES:
 665                return "SET_GOP_PROPERTIES";
 666        case CX2341X_ENC_SET_ASPECT_RATIO:
 667                return "SET_ASPECT_RATIO";
 668        case CX2341X_ENC_SET_DNR_FILTER_MODE:
 669                return "SET_DNR_FILTER_PROPS";
 670        case CX2341X_ENC_SET_DNR_FILTER_PROPS:
 671                return "SET_DNR_FILTER_PROPS";
 672        case CX2341X_ENC_SET_CORING_LEVELS:
 673                return "SET_CORING_LEVELS";
 674        case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
 675                return "SET_SPATIAL_FILTER_TYPE";
 676        case CX2341X_ENC_SET_VBI_LINE:
 677                return "SET_VBI_LINE";
 678        case CX2341X_ENC_SET_STREAM_TYPE:
 679                return "SET_STREAM_TYPE";
 680        case CX2341X_ENC_SET_OUTPUT_PORT:
 681                return "SET_OUTPUT_PORT";
 682        case CX2341X_ENC_SET_AUDIO_PROPERTIES:
 683                return "SET_AUDIO_PROPERTIES";
 684        case CX2341X_ENC_HALT_FW:
 685                return "HALT_FW";
 686        case CX2341X_ENC_GET_VERSION:
 687                return "GET_VERSION";
 688        case CX2341X_ENC_SET_GOP_CLOSURE:
 689                return "SET_GOP_CLOSURE";
 690        case CX2341X_ENC_GET_SEQ_END:
 691                return "GET_SEQ_END";
 692        case CX2341X_ENC_SET_PGM_INDEX_INFO:
 693                return "SET_PGM_INDEX_INFO";
 694        case CX2341X_ENC_SET_VBI_CONFIG:
 695                return "SET_VBI_CONFIG";
 696        case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
 697                return "SET_DMA_BLOCK_SIZE";
 698        case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
 699                return "GET_PREV_DMA_INFO_MB_10";
 700        case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
 701                return "GET_PREV_DMA_INFO_MB_9";
 702        case CX2341X_ENC_SCHED_DMA_TO_HOST:
 703                return "SCHED_DMA_TO_HOST";
 704        case CX2341X_ENC_INITIALIZE_INPUT:
 705                return "INITIALIZE_INPUT";
 706        case CX2341X_ENC_SET_FRAME_DROP_RATE:
 707                return "SET_FRAME_DROP_RATE";
 708        case CX2341X_ENC_PAUSE_ENCODER:
 709                return "PAUSE_ENCODER";
 710        case CX2341X_ENC_REFRESH_INPUT:
 711                return "REFRESH_INPUT";
 712        case CX2341X_ENC_SET_COPYRIGHT:
 713                return "SET_COPYRIGHT";
 714        case CX2341X_ENC_SET_EVENT_NOTIFICATION:
 715                return "SET_EVENT_NOTIFICATION";
 716        case CX2341X_ENC_SET_NUM_VSYNC_LINES:
 717                return "SET_NUM_VSYNC_LINES";
 718        case CX2341X_ENC_SET_PLACEHOLDER:
 719                return "SET_PLACEHOLDER";
 720        case CX2341X_ENC_MUTE_VIDEO:
 721                return "MUTE_VIDEO";
 722        case CX2341X_ENC_MUTE_AUDIO:
 723                return "MUTE_AUDIO";
 724        case CX2341X_ENC_MISC:
 725                return "MISC";
 726        default:
 727                return "UNKNOWN";
 728        }
 729}
 730
 731static int cx231xx_mbox_func(void *priv, u32 command, int in, int out,
 732                             u32 data[CX2341X_MBOX_MAX_DATA])
 733{
 734        struct cx231xx *dev = priv;
 735        unsigned long timeout;
 736        u32 value, flag, retval = 0;
 737        int i;
 738
 739        dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
 740                cmd_to_str(command));
 741
 742        /* this may not be 100% safe if we can't read any memory location
 743           without side effects */
 744        mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
 745        if (value != 0x12345678) {
 746                dprintk(3, "Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
 747                        value, cmd_to_str(command));
 748                return -EIO;
 749        }
 750
 751        /* This read looks at 32 bits, but flag is only 8 bits.
 752         * Seems we also bail if CMD or TIMEOUT bytes are set???
 753         */
 754        mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 755        if (flag) {
 756                dprintk(3, "ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
 757                                flag, cmd_to_str(command));
 758                return -EBUSY;
 759        }
 760
 761        flag |= 1; /* tell 'em we're working on it */
 762        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 763
 764        /* write command + args + fill remaining with zeros */
 765        /* command code */
 766        mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
 767        mc417_memory_write(dev, dev->cx23417_mailbox + 3,
 768                IVTV_API_STD_TIMEOUT); /* timeout */
 769        for (i = 0; i < in; i++) {
 770                mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
 771                dprintk(3, "API Input %d = %d\n", i, data[i]);
 772        }
 773        for (; i < CX2341X_MBOX_MAX_DATA; i++)
 774                mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
 775
 776        flag |= 3; /* tell 'em we're done writing */
 777        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 778
 779        /* wait for firmware to handle the API command */
 780        timeout = jiffies + msecs_to_jiffies(10);
 781        for (;;) {
 782                mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 783                if (0 != (flag & 4))
 784                        break;
 785                if (time_after(jiffies, timeout)) {
 786                        dprintk(3, "ERROR: API Mailbox timeout\n");
 787                        return -EIO;
 788                }
 789                udelay(10);
 790        }
 791
 792        /* read output values */
 793        for (i = 0; i < out; i++) {
 794                mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
 795                dprintk(3, "API Output %d = %d\n", i, data[i]);
 796        }
 797
 798        mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
 799        dprintk(3, "API result = %d\n", retval);
 800
 801        flag = 0;
 802        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 803
 804        return 0;
 805}
 806
 807/* We don't need to call the API often, so using just one
 808 * mailbox will probably suffice
 809 */
 810static int cx231xx_api_cmd(struct cx231xx *dev, u32 command,
 811                u32 inputcnt, u32 outputcnt, ...)
 812{
 813        u32 data[CX2341X_MBOX_MAX_DATA];
 814        va_list vargs;
 815        int i, err;
 816
 817        dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
 818
 819        va_start(vargs, outputcnt);
 820        for (i = 0; i < inputcnt; i++)
 821                data[i] = va_arg(vargs, int);
 822
 823        err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data);
 824        for (i = 0; i < outputcnt; i++) {
 825                int *vptr = va_arg(vargs, int *);
 826                *vptr = data[i];
 827        }
 828        va_end(vargs);
 829
 830        return err;
 831}
 832
 833
 834static int cx231xx_find_mailbox(struct cx231xx *dev)
 835{
 836        u32 signature[4] = {
 837                0x12345678, 0x34567812, 0x56781234, 0x78123456
 838        };
 839        int signaturecnt = 0;
 840        u32 value;
 841        int i;
 842        int ret = 0;
 843
 844        dprintk(2, "%s()\n", __func__);
 845
 846        for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/
 847                ret = mc417_memory_read(dev, i, &value);
 848                if (ret < 0)
 849                        return ret;
 850                if (value == signature[signaturecnt])
 851                        signaturecnt++;
 852                else
 853                        signaturecnt = 0;
 854                if (4 == signaturecnt) {
 855                        dprintk(1, "Mailbox signature found at 0x%x\n", i + 1);
 856                        return i + 1;
 857                }
 858        }
 859        dprintk(3, "Mailbox signature values not found!\n");
 860        return -1;
 861}
 862
 863static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value,
 864                u32 *p_fw_image)
 865{
 866        u32 temp = 0;
 867        int i = 0;
 868
 869        temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 870        temp = temp << 10;
 871        *p_fw_image = temp;
 872        p_fw_image++;
 873        temp = temp | (0x05 << 10);
 874        *p_fw_image = temp;
 875        p_fw_image++;
 876
 877        /*write data byte 1;*/
 878        temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
 879        temp = temp << 10;
 880        *p_fw_image = temp;
 881        p_fw_image++;
 882        temp = temp | (0x05 << 10);
 883        *p_fw_image = temp;
 884        p_fw_image++;
 885
 886        /*write data byte 2;*/
 887        temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 888        temp = temp << 10;
 889        *p_fw_image = temp;
 890        p_fw_image++;
 891        temp = temp | (0x05 << 10);
 892        *p_fw_image = temp;
 893        p_fw_image++;
 894
 895        /*write data byte 3;*/
 896        temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 897        temp = temp << 10;
 898        *p_fw_image = temp;
 899        p_fw_image++;
 900        temp = temp | (0x05 << 10);
 901        *p_fw_image = temp;
 902        p_fw_image++;
 903
 904        /* write address byte 2;*/
 905        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
 906                ((address & 0x003F0000) >> 8);
 907        temp = temp << 10;
 908        *p_fw_image = temp;
 909        p_fw_image++;
 910        temp = temp | (0x05 << 10);
 911        *p_fw_image = temp;
 912        p_fw_image++;
 913
 914        /* write address byte 1;*/
 915        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 916        temp = temp << 10;
 917        *p_fw_image = temp;
 918        p_fw_image++;
 919        temp = temp | (0x05 << 10);
 920        *p_fw_image = temp;
 921        p_fw_image++;
 922
 923        /* write address byte 0;*/
 924        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 925        temp = temp << 10;
 926        *p_fw_image = temp;
 927        p_fw_image++;
 928        temp = temp | (0x05 << 10);
 929        *p_fw_image = temp;
 930        p_fw_image++;
 931
 932        for (i = 0; i < 6; i++) {
 933                *p_fw_image = 0xFFFFFFFF;
 934                p_fw_image++;
 935        }
 936}
 937
 938
 939static int cx231xx_load_firmware(struct cx231xx *dev)
 940{
 941        static const unsigned char magic[8] = {
 942                0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 943        };
 944        const struct firmware *firmware;
 945        int i, retval = 0;
 946        u32 value = 0;
 947        u32 gpio_output = 0;
 948        /*u32 checksum = 0;*/
 949        /*u32 *dataptr;*/
 950        u32 transfer_size = 0;
 951        u32 fw_data = 0;
 952        u32 address = 0;
 953        /*u32 current_fw[800];*/
 954        u32 *p_current_fw, *p_fw;
 955        u32 *p_fw_data;
 956        int frame = 0;
 957        u16 _buffer_size = 4096;
 958        u8 *p_buffer;
 959
 960        p_current_fw = vmalloc(1884180 * 4);
 961        p_fw = p_current_fw;
 962        if (p_current_fw == NULL) {
 963                dprintk(2, "FAIL!!!\n");
 964                return -1;
 965        }
 966
 967        p_buffer = vmalloc(4096);
 968        if (p_buffer == NULL) {
 969                dprintk(2, "FAIL!!!\n");
 970                return -1;
 971        }
 972
 973        dprintk(2, "%s()\n", __func__);
 974
 975        /* Save GPIO settings before reset of APU */
 976        retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
 977        retval |= mc417_memory_read(dev, 0x900C, &value);
 978
 979        retval  = mc417_register_write(dev,
 980                IVTV_REG_VPU, 0xFFFFFFED);
 981        retval |= mc417_register_write(dev,
 982                IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 983        retval |= mc417_register_write(dev,
 984                IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
 985        retval |= mc417_register_write(dev,
 986                IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 987        retval |= mc417_register_write(dev,
 988                IVTV_REG_APU, 0);
 989
 990        if (retval != 0) {
 991                pr_err("%s: Error with mc417_register_write\n", __func__);
 992                return -1;
 993        }
 994
 995        retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME,
 996                                  &dev->udev->dev);
 997
 998        if (retval != 0) {
 999                pr_err("ERROR: Hotplug firmware request failed (%s).\n",
1000                        CX231xx_FIRM_IMAGE_NAME);
1001                pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
1002                return -1;
1003        }
1004
1005        if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) {
1006                pr_err("ERROR: Firmware size mismatch (have %zd, expected %d)\n",
1007                        firmware->size, CX231xx_FIRM_IMAGE_SIZE);
1008                release_firmware(firmware);
1009                return -1;
1010        }
1011
1012        if (0 != memcmp(firmware->data, magic, 8)) {
1013                pr_err("ERROR: Firmware magic mismatch, wrong file?\n");
1014                release_firmware(firmware);
1015                return -1;
1016        }
1017
1018        initGPIO(dev);
1019
1020        /* transfer to the chip */
1021        dprintk(2, "Loading firmware to GPIO...\n");
1022        p_fw_data = (u32 *)firmware->data;
1023        dprintk(2, "firmware->size=%zd\n", firmware->size);
1024        for (transfer_size = 0; transfer_size < firmware->size;
1025                 transfer_size += 4) {
1026                fw_data = *p_fw_data;
1027
1028                mci_write_memory_to_gpio(dev, address, fw_data, p_current_fw);
1029                address = address + 1;
1030                p_current_fw += 20;
1031                p_fw_data += 1;
1032        }
1033
1034        /*download the firmware by ep5-out*/
1035
1036        for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size);
1037             frame++) {
1038                for (i = 0; i < _buffer_size; i++) {
1039                        *(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF);
1040                        i++;
1041                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8);
1042                        i++;
1043                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16);
1044                        i++;
1045                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24);
1046                }
1047                cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size);
1048        }
1049
1050        p_current_fw = p_fw;
1051        vfree(p_current_fw);
1052        p_current_fw = NULL;
1053        uninitGPIO(dev);
1054        release_firmware(firmware);
1055        dprintk(1, "Firmware upload successful.\n");
1056
1057        retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
1058                IVTV_CMD_HW_BLOCKS_RST);
1059        if (retval < 0) {
1060                pr_err("%s: Error with mc417_register_write\n",
1061                        __func__);
1062                return retval;
1063        }
1064        /* F/W power up disturbs the GPIOs, restore state */
1065        retval |= mc417_register_write(dev, 0x9020, gpio_output);
1066        retval |= mc417_register_write(dev, 0x900C, value);
1067
1068        retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
1069        retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
1070
1071        if (retval < 0) {
1072                pr_err("%s: Error with mc417_register_write\n",
1073                        __func__);
1074                return retval;
1075        }
1076        return 0;
1077}
1078
1079static void cx231xx_417_check_encoder(struct cx231xx *dev)
1080{
1081        u32 status, seq;
1082
1083        status = 0;
1084        seq = 0;
1085        cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1086        dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1087}
1088
1089static void cx231xx_codec_settings(struct cx231xx *dev)
1090{
1091        dprintk(1, "%s()\n", __func__);
1092
1093        /* assign frame size */
1094        cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1095                                dev->ts1.height, dev->ts1.width);
1096
1097        dev->mpeg_ctrl_handler.width = dev->ts1.width;
1098        dev->mpeg_ctrl_handler.height = dev->ts1.height;
1099
1100        cx2341x_handler_setup(&dev->mpeg_ctrl_handler);
1101
1102        cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1103        cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1104}
1105
1106static int cx231xx_initialize_codec(struct cx231xx *dev)
1107{
1108        int version;
1109        int retval;
1110        u32 i;
1111        u32 val = 0;
1112
1113        dprintk(1, "%s()\n", __func__);
1114        cx231xx_disable656(dev);
1115        retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1116        if (retval < 0) {
1117                dprintk(2, "%s() PING OK\n", __func__);
1118                retval = cx231xx_load_firmware(dev);
1119                if (retval < 0) {
1120                        pr_err("%s() f/w load failed\n", __func__);
1121                        return retval;
1122                }
1123                retval = cx231xx_find_mailbox(dev);
1124                if (retval < 0) {
1125                        pr_err("%s() mailbox < 0, error\n",
1126                                __func__);
1127                        return -1;
1128                }
1129                dev->cx23417_mailbox = retval;
1130                retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1131                if (retval < 0) {
1132                        pr_err("ERROR: cx23417 firmware ping failed!\n");
1133                        return -1;
1134                }
1135                retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1136                        &version);
1137                if (retval < 0) {
1138                        pr_err("ERROR: cx23417 firmware get encoder: version failed!\n");
1139                        return -1;
1140                }
1141                dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1142                msleep(200);
1143        }
1144
1145        for (i = 0; i < 1; i++) {
1146                retval = mc417_register_read(dev, 0x20f8, &val);
1147                dprintk(3, "***before enable656() VIM Capture Lines = %d ***\n",
1148                                 val);
1149                if (retval < 0)
1150                        return retval;
1151        }
1152
1153        cx231xx_enable656(dev);
1154                        /* stop mpeg capture */
1155                        cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE,
1156                                 3, 0, 1, 3, 4);
1157
1158        cx231xx_codec_settings(dev);
1159        msleep(60);
1160
1161/*      cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1162                CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115);
1163        cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1164                CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1165                0, 0);
1166*/
1167
1168#if 0
1169        /* TODO */
1170        u32 data[7];
1171
1172        /* Setup to capture VBI */
1173        data[0] = 0x0001BD00;
1174        data[1] = 1;          /* frames per interrupt */
1175        data[2] = 4;          /* total bufs */
1176        data[3] = 0x91559155; /* start codes */
1177        data[4] = 0x206080C0; /* stop codes */
1178        data[5] = 6;          /* lines */
1179        data[6] = 64;         /* BPL */
1180
1181        cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1182                data[2], data[3], data[4], data[5], data[6]);
1183
1184        for (i = 2; i <= 24; i++) {
1185                int valid;
1186
1187                valid = ((i >= 19) && (i <= 21));
1188                cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1189                                valid, 0 , 0, 0);
1190                cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1191                                i | 0x80000000, valid, 0, 0, 0);
1192        }
1193#endif
1194/*      cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
1195        msleep(60);
1196*/
1197        /* initialize the video input */
1198        retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1199        if (retval < 0)
1200                return retval;
1201        msleep(60);
1202
1203        /* Enable VIP style pixel invalidation so we work with scaled mode */
1204        mc417_memory_write(dev, 2120, 0x00000080);
1205
1206        /* start capturing to the host interface */
1207        retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1208                CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE);
1209        if (retval < 0)
1210                return retval;
1211        msleep(10);
1212
1213        for (i = 0; i < 1; i++) {
1214                mc417_register_read(dev, 0x20f8, &val);
1215                dprintk(3, "***VIM Capture Lines =%d ***\n", val);
1216        }
1217
1218        return 0;
1219}
1220
1221/* ------------------------------------------------------------------ */
1222
1223static int bb_buf_setup(struct videobuf_queue *q,
1224        unsigned int *count, unsigned int *size)
1225{
1226        struct cx231xx_fh *fh = q->priv_data;
1227
1228        fh->dev->ts1.ts_packet_size  = mpeglinesize;
1229        fh->dev->ts1.ts_packet_count = mpeglines;
1230
1231        *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1232        *count = mpegbufs;
1233
1234        return 0;
1235}
1236
1237static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
1238{
1239        struct cx231xx_fh *fh = vq->priv_data;
1240        struct cx231xx *dev = fh->dev;
1241        unsigned long flags = 0;
1242
1243        if (in_interrupt())
1244                BUG();
1245
1246        spin_lock_irqsave(&dev->video_mode.slock, flags);
1247        if (dev->USE_ISO) {
1248                if (dev->video_mode.isoc_ctl.buf == buf)
1249                        dev->video_mode.isoc_ctl.buf = NULL;
1250        } else {
1251                if (dev->video_mode.bulk_ctl.buf == buf)
1252                        dev->video_mode.bulk_ctl.buf = NULL;
1253        }
1254        spin_unlock_irqrestore(&dev->video_mode.slock, flags);
1255        videobuf_waiton(vq, &buf->vb, 0, 0);
1256        videobuf_vmalloc_free(&buf->vb);
1257        buf->vb.state = VIDEOBUF_NEEDS_INIT;
1258}
1259
1260static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
1261                struct cx231xx_dmaqueue *dma_q)
1262{
1263        void *vbuf;
1264        struct cx231xx_buffer *buf;
1265        u32 tail_data = 0;
1266        char *p_data;
1267
1268        if (dma_q->mpeg_buffer_done == 0) {
1269                if (list_empty(&dma_q->active))
1270                        return;
1271
1272                buf = list_entry(dma_q->active.next,
1273                                struct cx231xx_buffer, vb.queue);
1274                dev->video_mode.isoc_ctl.buf = buf;
1275                dma_q->mpeg_buffer_done = 1;
1276        }
1277        /* Fill buffer */
1278        buf = dev->video_mode.isoc_ctl.buf;
1279        vbuf = videobuf_to_vmalloc(&buf->vb);
1280
1281        if ((dma_q->mpeg_buffer_completed+len) <
1282                        mpeglines*mpeglinesize) {
1283                if (dma_q->add_ps_package_head ==
1284                                CX231XX_NEED_ADD_PS_PACKAGE_HEAD) {
1285                        memcpy(vbuf+dma_q->mpeg_buffer_completed,
1286                                        dma_q->ps_head, 3);
1287                        dma_q->mpeg_buffer_completed =
1288                                dma_q->mpeg_buffer_completed + 3;
1289                        dma_q->add_ps_package_head =
1290                                CX231XX_NONEED_PS_PACKAGE_HEAD;
1291                }
1292                memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len);
1293                dma_q->mpeg_buffer_completed =
1294                        dma_q->mpeg_buffer_completed + len;
1295        } else {
1296                dma_q->mpeg_buffer_done = 0;
1297
1298                tail_data =
1299                        mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed;
1300                memcpy(vbuf+dma_q->mpeg_buffer_completed,
1301                                data, tail_data);
1302
1303                buf->vb.state = VIDEOBUF_DONE;
1304                buf->vb.field_count++;
1305                v4l2_get_timestamp(&buf->vb.ts);
1306                list_del(&buf->vb.queue);
1307                wake_up(&buf->vb.done);
1308                dma_q->mpeg_buffer_completed = 0;
1309
1310                if (len - tail_data > 0) {
1311                        p_data = data + tail_data;
1312                        dma_q->left_data_count = len - tail_data;
1313                        memcpy(dma_q->p_left_data,
1314                                        p_data, len - tail_data);
1315                }
1316        }
1317}
1318
1319static void buffer_filled(char *data, int len, struct urb *urb,
1320                struct cx231xx_dmaqueue *dma_q)
1321{
1322        void *vbuf;
1323        struct cx231xx_buffer *buf;
1324
1325        if (list_empty(&dma_q->active))
1326                return;
1327
1328        buf = list_entry(dma_q->active.next,
1329                        struct cx231xx_buffer, vb.queue);
1330
1331        /* Fill buffer */
1332        vbuf = videobuf_to_vmalloc(&buf->vb);
1333        memcpy(vbuf, data, len);
1334        buf->vb.state = VIDEOBUF_DONE;
1335        buf->vb.field_count++;
1336        v4l2_get_timestamp(&buf->vb.ts);
1337        list_del(&buf->vb.queue);
1338        wake_up(&buf->vb.done);
1339}
1340
1341static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
1342{
1343        struct cx231xx_dmaqueue *dma_q = urb->context;
1344        unsigned char *p_buffer;
1345        u32 buffer_size = 0;
1346        u32 i = 0;
1347
1348        for (i = 0; i < urb->number_of_packets; i++) {
1349                if (dma_q->left_data_count > 0) {
1350                        buffer_copy(dev, dma_q->p_left_data,
1351                                    dma_q->left_data_count, urb, dma_q);
1352                        dma_q->mpeg_buffer_completed = dma_q->left_data_count;
1353                        dma_q->left_data_count = 0;
1354                }
1355
1356                p_buffer = urb->transfer_buffer +
1357                                urb->iso_frame_desc[i].offset;
1358                buffer_size = urb->iso_frame_desc[i].actual_length;
1359
1360                if (buffer_size > 0)
1361                        buffer_copy(dev, p_buffer, buffer_size, urb, dma_q);
1362        }
1363
1364        return 0;
1365}
1366
1367static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
1368{
1369        struct cx231xx_dmaqueue *dma_q = urb->context;
1370        unsigned char *p_buffer, *buffer;
1371        u32 buffer_size = 0;
1372
1373        p_buffer = urb->transfer_buffer;
1374        buffer_size = urb->actual_length;
1375
1376        buffer = kmalloc(buffer_size, GFP_ATOMIC);
1377
1378        memcpy(buffer, dma_q->ps_head, 3);
1379        memcpy(buffer+3, p_buffer, buffer_size-3);
1380        memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3);
1381
1382        p_buffer = buffer;
1383        buffer_filled(p_buffer, buffer_size, urb, dma_q);
1384
1385        kfree(buffer);
1386        return 0;
1387}
1388
1389static int bb_buf_prepare(struct videobuf_queue *q,
1390        struct videobuf_buffer *vb, enum v4l2_field field)
1391{
1392        struct cx231xx_fh *fh = q->priv_data;
1393        struct cx231xx_buffer *buf =
1394            container_of(vb, struct cx231xx_buffer, vb);
1395        struct cx231xx *dev = fh->dev;
1396        int rc = 0, urb_init = 0;
1397        int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1398
1399        if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1400                return -EINVAL;
1401        buf->vb.width = fh->dev->ts1.ts_packet_size;
1402        buf->vb.height = fh->dev->ts1.ts_packet_count;
1403        buf->vb.size = size;
1404        buf->vb.field = field;
1405
1406        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1407                rc = videobuf_iolock(q, &buf->vb, NULL);
1408                if (rc < 0)
1409                        goto fail;
1410        }
1411
1412        if (dev->USE_ISO) {
1413                if (!dev->video_mode.isoc_ctl.num_bufs)
1414                        urb_init = 1;
1415        } else {
1416                if (!dev->video_mode.bulk_ctl.num_bufs)
1417                        urb_init = 1;
1418        }
1419        /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
1420                urb_init, dev->video_mode.max_pkt_size);*/
1421        dev->mode_tv = 1;
1422
1423        if (urb_init) {
1424                rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1425                rc = cx231xx_unmute_audio(dev);
1426                if (dev->USE_ISO) {
1427                        cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
1428                        rc = cx231xx_init_isoc(dev, mpeglines,
1429                                       mpegbufs,
1430                                       dev->ts1_mode.max_pkt_size,
1431                                       cx231xx_isoc_copy);
1432                } else {
1433                        cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1434                        rc = cx231xx_init_bulk(dev, mpeglines,
1435                                       mpegbufs,
1436                                       dev->ts1_mode.max_pkt_size,
1437                                       cx231xx_bulk_copy);
1438                }
1439                if (rc < 0)
1440                        goto fail;
1441        }
1442
1443        buf->vb.state = VIDEOBUF_PREPARED;
1444        return 0;
1445
1446fail:
1447        free_buffer(q, buf);
1448        return rc;
1449}
1450
1451static void bb_buf_queue(struct videobuf_queue *q,
1452        struct videobuf_buffer *vb)
1453{
1454        struct cx231xx_fh *fh = q->priv_data;
1455
1456        struct cx231xx_buffer *buf =
1457            container_of(vb, struct cx231xx_buffer, vb);
1458        struct cx231xx *dev = fh->dev;
1459        struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
1460
1461        buf->vb.state = VIDEOBUF_QUEUED;
1462        list_add_tail(&buf->vb.queue, &vidq->active);
1463
1464}
1465
1466static void bb_buf_release(struct videobuf_queue *q,
1467        struct videobuf_buffer *vb)
1468{
1469        struct cx231xx_buffer *buf =
1470            container_of(vb, struct cx231xx_buffer, vb);
1471        /*struct cx231xx_fh *fh = q->priv_data;*/
1472        /*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
1473
1474        free_buffer(q, buf);
1475}
1476
1477static struct videobuf_queue_ops cx231xx_qops = {
1478        .buf_setup    = bb_buf_setup,
1479        .buf_prepare  = bb_buf_prepare,
1480        .buf_queue    = bb_buf_queue,
1481        .buf_release  = bb_buf_release,
1482};
1483
1484/* ------------------------------------------------------------------ */
1485
1486static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
1487{
1488        struct cx231xx_fh  *fh  = file->private_data;
1489        struct cx231xx *dev = fh->dev;
1490
1491        *norm = dev->encodernorm.id;
1492        return 0;
1493}
1494
1495static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1496{
1497        struct cx231xx_fh  *fh  = file->private_data;
1498        struct cx231xx *dev = fh->dev;
1499        unsigned int i;
1500
1501        for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
1502                if (id & cx231xx_tvnorms[i].id)
1503                        break;
1504        if (i == ARRAY_SIZE(cx231xx_tvnorms))
1505                return -EINVAL;
1506        dev->encodernorm = cx231xx_tvnorms[i];
1507
1508        if (dev->encodernorm.id & 0xb000) {
1509                dprintk(3, "encodernorm set to NTSC\n");
1510                dev->norm = V4L2_STD_NTSC;
1511                dev->ts1.height = 480;
1512                cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
1513        } else {
1514                dprintk(3, "encodernorm set to PAL\n");
1515                dev->norm = V4L2_STD_PAL_B;
1516                dev->ts1.height = 576;
1517                cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true);
1518        }
1519        call_all(dev, core, s_std, dev->norm);
1520        /* do mode control overrides */
1521        cx231xx_do_mode_ctrl_overrides(dev);
1522
1523        dprintk(3, "exit vidioc_s_std() i=0x%x\n", i);
1524        return 0;
1525}
1526
1527static int vidioc_s_ctrl(struct file *file, void *priv,
1528                                struct v4l2_control *ctl)
1529{
1530        struct cx231xx_fh  *fh  = file->private_data;
1531        struct cx231xx *dev = fh->dev;
1532
1533        dprintk(3, "enter vidioc_s_ctrl()\n");
1534        /* Update the A/V core */
1535        call_all(dev, core, s_ctrl, ctl);
1536        dprintk(3, "exit vidioc_s_ctrl()\n");
1537        return 0;
1538}
1539
1540static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1541                                        struct v4l2_fmtdesc *f)
1542{
1543        if (f->index != 0)
1544                return -EINVAL;
1545
1546        strlcpy(f->description, "MPEG", sizeof(f->description));
1547        f->pixelformat = V4L2_PIX_FMT_MPEG;
1548
1549        return 0;
1550}
1551
1552static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1553                                struct v4l2_format *f)
1554{
1555        struct cx231xx_fh  *fh  = file->private_data;
1556        struct cx231xx *dev = fh->dev;
1557
1558        dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
1559        f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1560        f->fmt.pix.bytesperline = 0;
1561        f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1562        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1563        f->fmt.pix.width = dev->ts1.width;
1564        f->fmt.pix.height = dev->ts1.height;
1565        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1566        f->fmt.pix.priv = 0;
1567        dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
1568                dev->ts1.width, dev->ts1.height);
1569        dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
1570        return 0;
1571}
1572
1573static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1574                                struct v4l2_format *f)
1575{
1576        struct cx231xx_fh  *fh  = file->private_data;
1577        struct cx231xx *dev = fh->dev;
1578
1579        dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
1580        f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1581        f->fmt.pix.bytesperline = 0;
1582        f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1583        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1584        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1585        f->fmt.pix.priv = 0;
1586        dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
1587                dev->ts1.width, dev->ts1.height);
1588        dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
1589        return 0;
1590}
1591
1592static int vidioc_reqbufs(struct file *file, void *priv,
1593                                struct v4l2_requestbuffers *p)
1594{
1595        struct cx231xx_fh  *fh  = file->private_data;
1596
1597        return videobuf_reqbufs(&fh->vidq, p);
1598}
1599
1600static int vidioc_querybuf(struct file *file, void *priv,
1601                                struct v4l2_buffer *p)
1602{
1603        struct cx231xx_fh  *fh  = file->private_data;
1604
1605        return videobuf_querybuf(&fh->vidq, p);
1606}
1607
1608static int vidioc_qbuf(struct file *file, void *priv,
1609                                struct v4l2_buffer *p)
1610{
1611        struct cx231xx_fh  *fh  = file->private_data;
1612
1613        return videobuf_qbuf(&fh->vidq, p);
1614}
1615
1616static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1617{
1618        struct cx231xx_fh  *fh  = priv;
1619
1620        return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
1621}
1622
1623
1624static int vidioc_streamon(struct file *file, void *priv,
1625                                enum v4l2_buf_type i)
1626{
1627        struct cx231xx_fh  *fh  = file->private_data;
1628        struct cx231xx *dev = fh->dev;
1629
1630        dprintk(3, "enter vidioc_streamon()\n");
1631        cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1632        cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1633        if (dev->USE_ISO)
1634                cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
1635                                CX231XX_NUM_BUFS,
1636                                dev->video_mode.max_pkt_size,
1637                                cx231xx_isoc_copy);
1638        else {
1639                cx231xx_init_bulk(dev, 320,
1640                                5,
1641                                dev->ts1_mode.max_pkt_size,
1642                                cx231xx_bulk_copy);
1643        }
1644        dprintk(3, "exit vidioc_streamon()\n");
1645        return videobuf_streamon(&fh->vidq);
1646}
1647
1648static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1649{
1650        struct cx231xx_fh  *fh  = file->private_data;
1651
1652        return videobuf_streamoff(&fh->vidq);
1653}
1654
1655static int vidioc_log_status(struct file *file, void *priv)
1656{
1657        struct cx231xx_fh  *fh  = priv;
1658        struct cx231xx *dev = fh->dev;
1659
1660        call_all(dev, core, log_status);
1661        return v4l2_ctrl_log_status(file, priv);
1662}
1663
1664static int mpeg_open(struct file *file)
1665{
1666        struct video_device *vdev = video_devdata(file);
1667        struct cx231xx *dev = video_drvdata(file);
1668        struct cx231xx_fh *fh;
1669
1670        dprintk(2, "%s()\n", __func__);
1671
1672        if (mutex_lock_interruptible(&dev->lock))
1673                return -ERESTARTSYS;
1674
1675        /* allocate + initialize per filehandle data */
1676        fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1677        if (NULL == fh) {
1678                mutex_unlock(&dev->lock);
1679                return -ENOMEM;
1680        }
1681
1682        file->private_data = fh;
1683        v4l2_fh_init(&fh->fh, vdev);
1684        fh->dev = dev;
1685
1686
1687        videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
1688                            NULL, &dev->video_mode.slock,
1689                            V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
1690                            sizeof(struct cx231xx_buffer), fh, &dev->lock);
1691/*
1692        videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
1693                            &dev->udev->dev, &dev->ts1.slock,
1694                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
1695                            V4L2_FIELD_INTERLACED,
1696                            sizeof(struct cx231xx_buffer),
1697                            fh, &dev->lock);
1698*/
1699
1700        cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
1701        cx231xx_set_gpio_value(dev, 2, 0);
1702
1703        cx231xx_initialize_codec(dev);
1704
1705        mutex_unlock(&dev->lock);
1706        v4l2_fh_add(&fh->fh);
1707        cx231xx_start_TS1(dev);
1708
1709        return 0;
1710}
1711
1712static int mpeg_release(struct file *file)
1713{
1714        struct cx231xx_fh  *fh  = file->private_data;
1715        struct cx231xx *dev = fh->dev;
1716
1717        dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
1718
1719        mutex_lock(&dev->lock);
1720
1721        cx231xx_stop_TS1(dev);
1722
1723        /* do this before setting alternate! */
1724        if (dev->USE_ISO)
1725                cx231xx_uninit_isoc(dev);
1726        else
1727                cx231xx_uninit_bulk(dev);
1728        cx231xx_set_mode(dev, CX231XX_SUSPEND);
1729
1730        cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1731                        CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
1732                        CX231xx_RAW_BITS_NONE);
1733
1734        /* FIXME: Review this crap */
1735        /* Shut device down on last close */
1736        if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1737                if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1738                        /* stop mpeg capture */
1739
1740                        msleep(500);
1741                        cx231xx_417_check_encoder(dev);
1742
1743                }
1744        }
1745
1746        if (fh->vidq.streaming)
1747                videobuf_streamoff(&fh->vidq);
1748        if (fh->vidq.reading)
1749                videobuf_read_stop(&fh->vidq);
1750
1751        videobuf_mmap_free(&fh->vidq);
1752        v4l2_fh_del(&fh->fh);
1753        v4l2_fh_exit(&fh->fh);
1754        kfree(fh);
1755        mutex_unlock(&dev->lock);
1756        return 0;
1757}
1758
1759static ssize_t mpeg_read(struct file *file, char __user *data,
1760        size_t count, loff_t *ppos)
1761{
1762        struct cx231xx_fh *fh = file->private_data;
1763        struct cx231xx *dev = fh->dev;
1764
1765        /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1766        /* Start mpeg encoder on first read. */
1767        if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1768                if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1769                        if (cx231xx_initialize_codec(dev) < 0)
1770                                return -EINVAL;
1771                }
1772        }
1773
1774        return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
1775                                    file->f_flags & O_NONBLOCK);
1776}
1777
1778static unsigned int mpeg_poll(struct file *file,
1779        struct poll_table_struct *wait)
1780{
1781        unsigned long req_events = poll_requested_events(wait);
1782        struct cx231xx_fh *fh = file->private_data;
1783        struct cx231xx *dev = fh->dev;
1784        unsigned int res = 0;
1785
1786        if (v4l2_event_pending(&fh->fh))
1787                res |= POLLPRI;
1788        else
1789                poll_wait(file, &fh->fh.wait, wait);
1790
1791        if (!(req_events & (POLLIN | POLLRDNORM)))
1792                return res;
1793
1794        mutex_lock(&dev->lock);
1795        res |= videobuf_poll_stream(file, &fh->vidq, wait);
1796        mutex_unlock(&dev->lock);
1797        return res;
1798}
1799
1800static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1801{
1802        struct cx231xx_fh *fh = file->private_data;
1803        struct cx231xx *dev = fh->dev;
1804
1805        dprintk(2, "%s()\n", __func__);
1806
1807        return videobuf_mmap_mapper(&fh->vidq, vma);
1808}
1809
1810static struct v4l2_file_operations mpeg_fops = {
1811        .owner         = THIS_MODULE,
1812        .open          = mpeg_open,
1813        .release       = mpeg_release,
1814        .read          = mpeg_read,
1815        .poll          = mpeg_poll,
1816        .mmap          = mpeg_mmap,
1817        .unlocked_ioctl = video_ioctl2,
1818};
1819
1820static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1821        .vidioc_s_std            = vidioc_s_std,
1822        .vidioc_g_std            = vidioc_g_std,
1823        .vidioc_g_tuner          = cx231xx_g_tuner,
1824        .vidioc_s_tuner          = cx231xx_s_tuner,
1825        .vidioc_g_frequency      = cx231xx_g_frequency,
1826        .vidioc_s_frequency      = cx231xx_s_frequency,
1827        .vidioc_enum_input       = cx231xx_enum_input,
1828        .vidioc_g_input          = cx231xx_g_input,
1829        .vidioc_s_input          = cx231xx_s_input,
1830        .vidioc_s_ctrl           = vidioc_s_ctrl,
1831        .vidioc_querycap         = cx231xx_querycap,
1832        .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1833        .vidioc_g_fmt_vid_cap    = vidioc_g_fmt_vid_cap,
1834        .vidioc_try_fmt_vid_cap  = vidioc_try_fmt_vid_cap,
1835        .vidioc_s_fmt_vid_cap    = vidioc_try_fmt_vid_cap,
1836        .vidioc_reqbufs          = vidioc_reqbufs,
1837        .vidioc_querybuf         = vidioc_querybuf,
1838        .vidioc_qbuf             = vidioc_qbuf,
1839        .vidioc_dqbuf            = vidioc_dqbuf,
1840        .vidioc_streamon         = vidioc_streamon,
1841        .vidioc_streamoff        = vidioc_streamoff,
1842        .vidioc_log_status       = vidioc_log_status,
1843        .vidioc_g_chip_ident     = cx231xx_g_chip_ident,
1844#ifdef CONFIG_VIDEO_ADV_DEBUG
1845        .vidioc_g_register       = cx231xx_g_register,
1846        .vidioc_s_register       = cx231xx_s_register,
1847#endif
1848        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1849        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1850};
1851
1852static struct video_device cx231xx_mpeg_template = {
1853        .name          = "cx231xx",
1854        .fops          = &mpeg_fops,
1855        .ioctl_ops     = &mpeg_ioctl_ops,
1856        .minor         = -1,
1857        .tvnorms       = V4L2_STD_ALL,
1858};
1859
1860void cx231xx_417_unregister(struct cx231xx *dev)
1861{
1862        dprintk(1, "%s()\n", __func__);
1863        dprintk(3, "%s()\n", __func__);
1864
1865        if (dev->v4l_device) {
1866                if (-1 != dev->v4l_device->minor)
1867                        video_unregister_device(dev->v4l_device);
1868                else
1869                        video_device_release(dev->v4l_device);
1870                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1871                dev->v4l_device = NULL;
1872        }
1873}
1874
1875static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
1876{
1877        struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1878        int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
1879        struct v4l2_mbus_framefmt fmt;
1880
1881        /* fix videodecoder resolution */
1882        fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
1883        fmt.height = cxhdl->height;
1884        fmt.code = V4L2_MBUS_FMT_FIXED;
1885        v4l2_subdev_call(dev->sd_cx25840, video, s_mbus_fmt, &fmt);
1886        return 0;
1887}
1888
1889static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
1890{
1891        static const u32 freqs[3] = { 44100, 48000, 32000 };
1892        struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1893
1894        /* The audio clock of the digitizer must match the codec sample
1895           rate otherwise you get some very strange effects. */
1896        if (idx < ARRAY_SIZE(freqs))
1897                call_all(dev, audio, s_clock_freq, freqs[idx]);
1898        return 0;
1899}
1900
1901static struct cx2341x_handler_ops cx231xx_ops = {
1902        /* needed for the video clock freq */
1903        .s_audio_sampling_freq = cx231xx_s_audio_sampling_freq,
1904        /* needed for setting up the video resolution */
1905        .s_video_encoding = cx231xx_s_video_encoding,
1906};
1907
1908static struct video_device *cx231xx_video_dev_alloc(
1909        struct cx231xx *dev,
1910        struct usb_device *usbdev,
1911        struct video_device *template,
1912        char *type)
1913{
1914        struct video_device *vfd;
1915
1916        dprintk(1, "%s()\n", __func__);
1917        vfd = video_device_alloc();
1918        if (NULL == vfd)
1919                return NULL;
1920        *vfd = *template;
1921        snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1922                type, cx231xx_boards[dev->model].name);
1923
1924        vfd->v4l2_dev = &dev->v4l2_dev;
1925        vfd->lock = &dev->lock;
1926        vfd->release = video_device_release;
1927        set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
1928        vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl;
1929        video_set_drvdata(vfd, dev);
1930        if (dev->tuner_type == TUNER_ABSENT) {
1931                v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
1932                v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
1933                v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
1934                v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
1935        }
1936
1937        return vfd;
1938
1939}
1940
1941int cx231xx_417_register(struct cx231xx *dev)
1942{
1943        /* FIXME: Port1 hardcoded here */
1944        int err = -ENODEV;
1945        struct cx231xx_tsport *tsport = &dev->ts1;
1946
1947        dprintk(1, "%s()\n", __func__);
1948
1949        /* Set default TV standard */
1950        dev->encodernorm = cx231xx_tvnorms[0];
1951
1952        if (dev->encodernorm.id & V4L2_STD_525_60)
1953                tsport->height = 480;
1954        else
1955                tsport->height = 576;
1956
1957        tsport->width = 720;
1958        err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50);
1959        if (err) {
1960                dprintk(3, "%s: can't init cx2341x controls\n", dev->name);
1961                return err;
1962        }
1963        dev->mpeg_ctrl_handler.func = cx231xx_mbox_func;
1964        dev->mpeg_ctrl_handler.priv = dev;
1965        dev->mpeg_ctrl_handler.ops = &cx231xx_ops;
1966        if (dev->sd_cx25840)
1967                v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl,
1968                                dev->sd_cx25840->ctrl_handler, NULL);
1969        if (dev->mpeg_ctrl_handler.hdl.error) {
1970                err = dev->mpeg_ctrl_handler.hdl.error;
1971                dprintk(3, "%s: can't add cx25840 controls\n", dev->name);
1972                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1973                return err;
1974        }
1975        dev->norm = V4L2_STD_NTSC;
1976
1977        dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL;
1978        cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
1979
1980        /* Allocate and initialize V4L video device */
1981        dev->v4l_device = cx231xx_video_dev_alloc(dev,
1982                dev->udev, &cx231xx_mpeg_template, "mpeg");
1983        err = video_register_device(dev->v4l_device,
1984                VFL_TYPE_GRABBER, -1);
1985        if (err < 0) {
1986                dprintk(3, "%s: can't register mpeg device\n", dev->name);
1987                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1988                return err;
1989        }
1990
1991        dprintk(3, "%s: registered device video%d [mpeg]\n",
1992               dev->name, dev->v4l_device->num);
1993
1994        return 0;
1995}
1996
1997MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME);
1998