linux/drivers/media/usb/cx231xx/cx231xx-417.c
<<
>>
Prefs
   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 "cx231xx.h"
  28
  29#include <linux/module.h>
  30#include <linux/moduleparam.h>
  31#include <linux/init.h>
  32#include <linux/fs.h>
  33#include <linux/delay.h>
  34#include <linux/device.h>
  35#include <linux/firmware.h>
  36#include <linux/vmalloc.h>
  37#include <media/v4l2-common.h>
  38#include <media/v4l2-ioctl.h>
  39#include <media/v4l2-event.h>
  40#include <media/cx2341x.h>
  41#include <media/tuner.h>
  42
  43#define CX231xx_FIRM_IMAGE_SIZE 376836
  44#define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
  45
  46/* for polaris ITVC */
  47#define ITVC_WRITE_DIR          0x03FDFC00
  48#define ITVC_READ_DIR            0x0001FC00
  49
  50#define  MCI_MEMORY_DATA_BYTE0          0x00
  51#define  MCI_MEMORY_DATA_BYTE1          0x08
  52#define  MCI_MEMORY_DATA_BYTE2          0x10
  53#define  MCI_MEMORY_DATA_BYTE3          0x18
  54
  55#define  MCI_MEMORY_ADDRESS_BYTE2       0x20
  56#define  MCI_MEMORY_ADDRESS_BYTE1       0x28
  57#define  MCI_MEMORY_ADDRESS_BYTE0       0x30
  58
  59#define  MCI_REGISTER_DATA_BYTE0        0x40
  60#define  MCI_REGISTER_DATA_BYTE1        0x48
  61#define  MCI_REGISTER_DATA_BYTE2        0x50
  62#define  MCI_REGISTER_DATA_BYTE3        0x58
  63
  64#define  MCI_REGISTER_ADDRESS_BYTE0     0x60
  65#define  MCI_REGISTER_ADDRESS_BYTE1     0x68
  66
  67#define  MCI_REGISTER_MODE              0x70
  68
  69/* Read and write modes for polaris ITVC */
  70#define  MCI_MODE_REGISTER_READ         0x000
  71#define  MCI_MODE_REGISTER_WRITE        0x100
  72#define  MCI_MODE_MEMORY_READ           0x000
  73#define  MCI_MODE_MEMORY_WRITE          0x4000
  74
  75static unsigned int mpegbufs = 8;
  76module_param(mpegbufs, int, 0644);
  77MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
  78
  79static unsigned int mpeglines = 128;
  80module_param(mpeglines, int, 0644);
  81MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
  82
  83static unsigned int mpeglinesize = 512;
  84module_param(mpeglinesize, int, 0644);
  85MODULE_PARM_DESC(mpeglinesize,
  86        "number of bytes in each line of an MPEG buffer, range 512-1024");
  87
  88static unsigned int v4l_debug = 1;
  89module_param(v4l_debug, int, 0644);
  90MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
  91
  92#define dprintk(level, fmt, arg...)     \
  93        do {                            \
  94                if (v4l_debug >= level) \
  95                        printk(KERN_DEBUG pr_fmt(fmt), ## arg); \
  96        } while (0)
  97
  98static struct cx231xx_tvnorm cx231xx_tvnorms[] = {
  99        {
 100                .name      = "NTSC-M",
 101                .id        = V4L2_STD_NTSC_M,
 102        }, {
 103                .name      = "NTSC-JP",
 104                .id        = V4L2_STD_NTSC_M_JP,
 105        }, {
 106                .name      = "PAL-BG",
 107                .id        = V4L2_STD_PAL_BG,
 108        }, {
 109                .name      = "PAL-DK",
 110                .id        = V4L2_STD_PAL_DK,
 111        }, {
 112                .name      = "PAL-I",
 113                .id        = V4L2_STD_PAL_I,
 114        }, {
 115                .name      = "PAL-M",
 116                .id        = V4L2_STD_PAL_M,
 117        }, {
 118                .name      = "PAL-N",
 119                .id        = V4L2_STD_PAL_N,
 120        }, {
 121                .name      = "PAL-Nc",
 122                .id        = V4L2_STD_PAL_Nc,
 123        }, {
 124                .name      = "PAL-60",
 125                .id        = V4L2_STD_PAL_60,
 126        }, {
 127                .name      = "SECAM-L",
 128                .id        = V4L2_STD_SECAM_L,
 129        }, {
 130                .name      = "SECAM-DK",
 131                .id        = V4L2_STD_SECAM_DK,
 132        }
 133};
 134
 135/* ------------------------------------------------------------------ */
 136
 137enum cx231xx_capture_type {
 138        CX231xx_MPEG_CAPTURE,
 139        CX231xx_RAW_CAPTURE,
 140        CX231xx_RAW_PASSTHRU_CAPTURE
 141};
 142
 143enum cx231xx_capture_bits {
 144        CX231xx_RAW_BITS_NONE             = 0x00,
 145        CX231xx_RAW_BITS_YUV_CAPTURE      = 0x01,
 146        CX231xx_RAW_BITS_PCM_CAPTURE      = 0x02,
 147        CX231xx_RAW_BITS_VBI_CAPTURE      = 0x04,
 148        CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
 149        CX231xx_RAW_BITS_TO_HOST_CAPTURE  = 0x10
 150};
 151
 152enum cx231xx_capture_end {
 153        CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */
 154        CX231xx_END_NOW, /* stop immediately, no irq */
 155};
 156
 157enum cx231xx_framerate {
 158        CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */
 159        CX231xx_FRAMERATE_PAL_25   /* PAL: 25fps */
 160};
 161
 162enum cx231xx_stream_port {
 163        CX231xx_OUTPUT_PORT_MEMORY,
 164        CX231xx_OUTPUT_PORT_STREAMING,
 165        CX231xx_OUTPUT_PORT_SERIAL
 166};
 167
 168enum cx231xx_data_xfer_status {
 169        CX231xx_MORE_BUFFERS_FOLLOW,
 170        CX231xx_LAST_BUFFER,
 171};
 172
 173enum cx231xx_picture_mask {
 174        CX231xx_PICTURE_MASK_NONE,
 175        CX231xx_PICTURE_MASK_I_FRAMES,
 176        CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3,
 177        CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7,
 178};
 179
 180enum cx231xx_vbi_mode_bits {
 181        CX231xx_VBI_BITS_SLICED,
 182        CX231xx_VBI_BITS_RAW,
 183};
 184
 185enum cx231xx_vbi_insertion_bits {
 186        CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 187        CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 188        CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 189        CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 190        CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 191};
 192
 193enum cx231xx_dma_unit {
 194        CX231xx_DMA_BYTES,
 195        CX231xx_DMA_FRAMES,
 196};
 197
 198enum cx231xx_dma_transfer_status_bits {
 199        CX231xx_DMA_TRANSFER_BITS_DONE = 0x01,
 200        CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04,
 201        CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 202};
 203
 204enum cx231xx_pause {
 205        CX231xx_PAUSE_ENCODING,
 206        CX231xx_RESUME_ENCODING,
 207};
 208
 209enum cx231xx_copyright {
 210        CX231xx_COPYRIGHT_OFF,
 211        CX231xx_COPYRIGHT_ON,
 212};
 213
 214enum cx231xx_notification_type {
 215        CX231xx_NOTIFICATION_REFRESH,
 216};
 217
 218enum cx231xx_notification_status {
 219        CX231xx_NOTIFICATION_OFF,
 220        CX231xx_NOTIFICATION_ON,
 221};
 222
 223enum cx231xx_notification_mailbox {
 224        CX231xx_NOTIFICATION_NO_MAILBOX = -1,
 225};
 226
 227enum cx231xx_field1_lines {
 228        CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */
 229        CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */
 230        CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */
 231};
 232
 233enum cx231xx_field2_lines {
 234        CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */
 235        CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */
 236        CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */
 237};
 238
 239enum cx231xx_custom_data_type {
 240        CX231xx_CUSTOM_EXTENSION_USR_DATA,
 241        CX231xx_CUSTOM_PRIVATE_PACKET,
 242};
 243
 244enum cx231xx_mute {
 245        CX231xx_UNMUTE,
 246        CX231xx_MUTE,
 247};
 248
 249enum cx231xx_mute_video_mask {
 250        CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00,
 251        CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000,
 252        CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000,
 253};
 254
 255enum cx231xx_mute_video_shift {
 256        CX231xx_MUTE_VIDEO_V_SHIFT = 8,
 257        CX231xx_MUTE_VIDEO_U_SHIFT = 16,
 258        CX231xx_MUTE_VIDEO_Y_SHIFT = 24,
 259};
 260
 261/* defines below are from ivtv-driver.h */
 262#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
 263
 264/* Firmware API commands */
 265#define IVTV_API_STD_TIMEOUT 500
 266
 267/* Registers */
 268/* IVTV_REG_OFFSET */
 269#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
 270#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
 271#define IVTV_REG_SPU (0x9050)
 272#define IVTV_REG_HW_BLOCKS (0x9054)
 273#define IVTV_REG_VPU (0x9058)
 274#define IVTV_REG_APU (0xA064)
 275
 276/*
 277 * Bit definitions for MC417_RWD and MC417_OEN registers
 278 *
 279 * bits 31-16
 280 *+-----------+
 281 *| Reserved  |
 282 *|+-----------+
 283 *|  bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
 284 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 285 *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
 286 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 287 *| bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
 288 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 289 *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
 290 *|+-------+-------+-------+-------+-------+-------+-------+-------+
 291 */
 292#define MC417_MIWR      0x8000
 293#define MC417_MIRD      0x4000
 294#define MC417_MICS      0x2000
 295#define MC417_MIRDY     0x1000
 296#define MC417_MIADDR    0x0F00
 297#define MC417_MIDATA    0x00FF
 298
 299
 300/* Bit definitions for MC417_CTL register ****
 301 *bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
 302 *+--------+-------------+--------+--------------+------------+
 303 *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
 304 *+--------+-------------+--------+--------------+------------+
 305 */
 306#define MC417_SPD_CTL(x)        (((x) << 4) & 0x00000030)
 307#define MC417_GPIO_SEL(x)       (((x) << 1) & 0x00000006)
 308#define MC417_UART_GPIO_EN      0x00000001
 309
 310/* Values for speed control */
 311#define MC417_SPD_CTL_SLOW      0x1
 312#define MC417_SPD_CTL_MEDIUM    0x0
 313#define MC417_SPD_CTL_FAST      0x3     /* b'1x, but we use b'11 */
 314
 315/* Values for GPIO select */
 316#define MC417_GPIO_SEL_GPIO3    0x3
 317#define MC417_GPIO_SEL_GPIO2    0x2
 318#define MC417_GPIO_SEL_GPIO1    0x1
 319#define MC417_GPIO_SEL_GPIO0    0x0
 320
 321
 322#define CX23417_GPIO_MASK 0xFC0003FF
 323
 324static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value)
 325{
 326        int status = 0;
 327        u32 _gpio_direction = 0;
 328
 329        _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
 330        _gpio_direction = _gpio_direction | gpio_direction;
 331        status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
 332                         (u8 *)&value, 4, 0, 0);
 333        return status;
 334}
 335
 336static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr)
 337{
 338        int status = 0;
 339        u32 _gpio_direction = 0;
 340
 341        _gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
 342        _gpio_direction = _gpio_direction | gpio_direction;
 343
 344        status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
 345                 (u8 *)val_ptr, 4, 0, 1);
 346        return status;
 347}
 348
 349static int wait_for_mci_complete(struct cx231xx *dev)
 350{
 351        u32 gpio;
 352        u32 gpio_direction = 0;
 353        u8 count = 0;
 354        get_itvc_reg(dev, gpio_direction, &gpio);
 355
 356        while (!(gpio&0x020000)) {
 357                msleep(10);
 358
 359                get_itvc_reg(dev, gpio_direction, &gpio);
 360
 361                if (count++ > 100) {
 362                        dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio);
 363                        return -1;
 364                }
 365        }
 366        return 0;
 367}
 368
 369static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value)
 370{
 371        u32 temp;
 372        int status = 0;
 373
 374        temp = 0x82 | MCI_REGISTER_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 375        temp = temp << 10;
 376        status = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 377        if (status < 0)
 378                return status;
 379        temp = temp | (0x05 << 10);
 380        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 381
 382        /*write data byte 1;*/
 383        temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00);
 384        temp = temp << 10;
 385        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 386        temp = temp | (0x05 << 10);
 387        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 388
 389        /*write data byte 2;*/
 390        temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 391        temp = temp << 10;
 392        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 393        temp = temp | (0x05 << 10);
 394        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 395
 396        /*write data byte 3;*/
 397        temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 398        temp = temp << 10;
 399        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 400        temp = temp | (0x05 << 10);
 401        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 402
 403        /*write address byte 0;*/
 404        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8);
 405        temp = temp << 10;
 406        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 407        temp = temp | (0x05 << 10);
 408        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 409
 410        /*write address byte 1;*/
 411        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00);
 412        temp = temp << 10;
 413        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 414        temp = temp | (0x05 << 10);
 415        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 416
 417        /*Write that the mode is write.*/
 418        temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE;
 419        temp = temp << 10;
 420        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 421        temp = temp | (0x05 << 10);
 422        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 423
 424        return wait_for_mci_complete(dev);
 425}
 426
 427static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value)
 428{
 429        /*write address byte 0;*/
 430        u32 temp;
 431        u32 return_value = 0;
 432        int ret = 0;
 433
 434        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 435        temp = temp << 10;
 436        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 437        temp = temp | ((0x05) << 10);
 438        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 439
 440        /*write address byte 1;*/
 441        temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00);
 442        temp = temp << 10;
 443        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 444        temp = temp | ((0x05) << 10);
 445        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 446
 447        /*write that the mode is read;*/
 448        temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ;
 449        temp = temp << 10;
 450        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 451        temp = temp | ((0x05) << 10);
 452        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 453
 454        /*wait for the MIRDY line to be asserted ,
 455        signalling that the read is done;*/
 456        ret = wait_for_mci_complete(dev);
 457
 458        /*switch the DATA- GPIO to input mode;*/
 459
 460        /*Read data byte 0;*/
 461        temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10;
 462        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 463        temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10);
 464        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 465        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 466        return_value |= ((temp & 0x03FC0000) >> 18);
 467        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 468
 469        /* Read data byte 1;*/
 470        temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10;
 471        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 472        temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10);
 473        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 474        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 475
 476        return_value |= ((temp & 0x03FC0000) >> 10);
 477        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 478
 479        /*Read data byte 2;*/
 480        temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10;
 481        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 482        temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10);
 483        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 484        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 485        return_value |= ((temp & 0x03FC0000) >> 2);
 486        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 487
 488        /*Read data byte 3;*/
 489        temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10;
 490        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 491        temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10);
 492        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 493        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 494        return_value |= ((temp & 0x03FC0000) << 6);
 495        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 496
 497        *value  = return_value;
 498        return ret;
 499}
 500
 501static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value)
 502{
 503        /*write data byte 0;*/
 504
 505        u32 temp;
 506        int ret = 0;
 507
 508        temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 509        temp = temp << 10;
 510        ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 511        if (ret < 0)
 512                return ret;
 513        temp = temp | (0x05 << 10);
 514        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 515
 516        /*write data byte 1;*/
 517        temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
 518        temp = temp << 10;
 519        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 520        temp = temp | (0x05 << 10);
 521        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 522
 523        /*write data byte 2;*/
 524        temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 525        temp = temp << 10;
 526        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 527        temp = temp | (0x05 << 10);
 528        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 529
 530        /*write data byte 3;*/
 531        temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 532        temp = temp << 10;
 533        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 534        temp = temp | (0x05 << 10);
 535        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 536
 537        /* write address byte 2;*/
 538        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
 539                ((address & 0x003F0000) >> 8);
 540        temp = temp << 10;
 541        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 542        temp = temp | (0x05 << 10);
 543        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 544
 545        /* write address byte 1;*/
 546        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 547        temp = temp << 10;
 548        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 549        temp = temp | (0x05 << 10);
 550        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 551
 552        /* write address byte 0;*/
 553        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 554        temp = temp << 10;
 555        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 556        temp = temp | (0x05 << 10);
 557        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 558
 559        /*wait for MIRDY line;*/
 560        wait_for_mci_complete(dev);
 561
 562        return 0;
 563}
 564
 565static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value)
 566{
 567        u32 temp = 0;
 568        u32 return_value = 0;
 569        int ret = 0;
 570
 571        /*write address byte 2;*/
 572        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ |
 573                ((address & 0x003F0000) >> 8);
 574        temp = temp << 10;
 575        ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 576        if (ret < 0)
 577                return ret;
 578        temp = temp | (0x05 << 10);
 579        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 580
 581        /*write address byte 1*/
 582        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 583        temp = temp << 10;
 584        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 585        temp = temp | (0x05 << 10);
 586        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 587
 588        /*write address byte 0*/
 589        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 590        temp = temp << 10;
 591        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 592        temp = temp | (0x05 << 10);
 593        set_itvc_reg(dev, ITVC_WRITE_DIR, temp);
 594
 595        /*Wait for MIRDY line*/
 596        ret = wait_for_mci_complete(dev);
 597
 598
 599        /*Read data byte 3;*/
 600        temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10;
 601        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 602        temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10);
 603        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 604        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 605        return_value |= ((temp & 0x03FC0000) << 6);
 606        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 607
 608        /*Read data byte 2;*/
 609        temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10;
 610        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 611        temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10);
 612        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 613        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 614        return_value |= ((temp & 0x03FC0000) >> 2);
 615        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 616
 617        /* Read data byte 1;*/
 618        temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10;
 619        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 620        temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10);
 621        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 622        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 623        return_value |= ((temp & 0x03FC0000) >> 10);
 624        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 625
 626        /*Read data byte 0;*/
 627        temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10;
 628        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 629        temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10);
 630        set_itvc_reg(dev, ITVC_READ_DIR, temp);
 631        get_itvc_reg(dev, ITVC_READ_DIR, &temp);
 632        return_value |= ((temp & 0x03FC0000) >> 18);
 633        set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10));
 634
 635        *value  = return_value;
 636        return ret;
 637}
 638
 639/* ------------------------------------------------------------------ */
 640
 641/* MPEG encoder API */
 642static char *cmd_to_str(int cmd)
 643{
 644        switch (cmd) {
 645        case CX2341X_ENC_PING_FW:
 646                return "PING_FW";
 647        case CX2341X_ENC_START_CAPTURE:
 648                return "START_CAPTURE";
 649        case CX2341X_ENC_STOP_CAPTURE:
 650                return "STOP_CAPTURE";
 651        case CX2341X_ENC_SET_AUDIO_ID:
 652                return "SET_AUDIO_ID";
 653        case CX2341X_ENC_SET_VIDEO_ID:
 654                return "SET_VIDEO_ID";
 655        case CX2341X_ENC_SET_PCR_ID:
 656                return "SET_PCR_PID";
 657        case CX2341X_ENC_SET_FRAME_RATE:
 658                return "SET_FRAME_RATE";
 659        case CX2341X_ENC_SET_FRAME_SIZE:
 660                return "SET_FRAME_SIZE";
 661        case CX2341X_ENC_SET_BIT_RATE:
 662                return "SET_BIT_RATE";
 663        case CX2341X_ENC_SET_GOP_PROPERTIES:
 664                return "SET_GOP_PROPERTIES";
 665        case CX2341X_ENC_SET_ASPECT_RATIO:
 666                return "SET_ASPECT_RATIO";
 667        case CX2341X_ENC_SET_DNR_FILTER_MODE:
 668                return "SET_DNR_FILTER_PROPS";
 669        case CX2341X_ENC_SET_DNR_FILTER_PROPS:
 670                return "SET_DNR_FILTER_PROPS";
 671        case CX2341X_ENC_SET_CORING_LEVELS:
 672                return "SET_CORING_LEVELS";
 673        case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
 674                return "SET_SPATIAL_FILTER_TYPE";
 675        case CX2341X_ENC_SET_VBI_LINE:
 676                return "SET_VBI_LINE";
 677        case CX2341X_ENC_SET_STREAM_TYPE:
 678                return "SET_STREAM_TYPE";
 679        case CX2341X_ENC_SET_OUTPUT_PORT:
 680                return "SET_OUTPUT_PORT";
 681        case CX2341X_ENC_SET_AUDIO_PROPERTIES:
 682                return "SET_AUDIO_PROPERTIES";
 683        case CX2341X_ENC_HALT_FW:
 684                return "HALT_FW";
 685        case CX2341X_ENC_GET_VERSION:
 686                return "GET_VERSION";
 687        case CX2341X_ENC_SET_GOP_CLOSURE:
 688                return "SET_GOP_CLOSURE";
 689        case CX2341X_ENC_GET_SEQ_END:
 690                return "GET_SEQ_END";
 691        case CX2341X_ENC_SET_PGM_INDEX_INFO:
 692                return "SET_PGM_INDEX_INFO";
 693        case CX2341X_ENC_SET_VBI_CONFIG:
 694                return "SET_VBI_CONFIG";
 695        case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
 696                return "SET_DMA_BLOCK_SIZE";
 697        case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
 698                return "GET_PREV_DMA_INFO_MB_10";
 699        case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
 700                return "GET_PREV_DMA_INFO_MB_9";
 701        case CX2341X_ENC_SCHED_DMA_TO_HOST:
 702                return "SCHED_DMA_TO_HOST";
 703        case CX2341X_ENC_INITIALIZE_INPUT:
 704                return "INITIALIZE_INPUT";
 705        case CX2341X_ENC_SET_FRAME_DROP_RATE:
 706                return "SET_FRAME_DROP_RATE";
 707        case CX2341X_ENC_PAUSE_ENCODER:
 708                return "PAUSE_ENCODER";
 709        case CX2341X_ENC_REFRESH_INPUT:
 710                return "REFRESH_INPUT";
 711        case CX2341X_ENC_SET_COPYRIGHT:
 712                return "SET_COPYRIGHT";
 713        case CX2341X_ENC_SET_EVENT_NOTIFICATION:
 714                return "SET_EVENT_NOTIFICATION";
 715        case CX2341X_ENC_SET_NUM_VSYNC_LINES:
 716                return "SET_NUM_VSYNC_LINES";
 717        case CX2341X_ENC_SET_PLACEHOLDER:
 718                return "SET_PLACEHOLDER";
 719        case CX2341X_ENC_MUTE_VIDEO:
 720                return "MUTE_VIDEO";
 721        case CX2341X_ENC_MUTE_AUDIO:
 722                return "MUTE_AUDIO";
 723        case CX2341X_ENC_MISC:
 724                return "MISC";
 725        default:
 726                return "UNKNOWN";
 727        }
 728}
 729
 730static int cx231xx_mbox_func(void *priv, u32 command, int in, int out,
 731                             u32 data[CX2341X_MBOX_MAX_DATA])
 732{
 733        struct cx231xx *dev = priv;
 734        unsigned long timeout;
 735        u32 value, flag, retval = 0;
 736        int i;
 737
 738        dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
 739                cmd_to_str(command));
 740
 741        /* this may not be 100% safe if we can't read any memory location
 742           without side effects */
 743        mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
 744        if (value != 0x12345678) {
 745                dprintk(3, "Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n",
 746                        value, cmd_to_str(command));
 747                return -EIO;
 748        }
 749
 750        /* This read looks at 32 bits, but flag is only 8 bits.
 751         * Seems we also bail if CMD or TIMEOUT bytes are set???
 752         */
 753        mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 754        if (flag) {
 755                dprintk(3, "ERROR: Mailbox appears to be in use (%x), cmd = %s\n",
 756                                flag, cmd_to_str(command));
 757                return -EBUSY;
 758        }
 759
 760        flag |= 1; /* tell 'em we're working on it */
 761        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 762
 763        /* write command + args + fill remaining with zeros */
 764        /* command code */
 765        mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
 766        mc417_memory_write(dev, dev->cx23417_mailbox + 3,
 767                IVTV_API_STD_TIMEOUT); /* timeout */
 768        for (i = 0; i < in; i++) {
 769                mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
 770                dprintk(3, "API Input %d = %d\n", i, data[i]);
 771        }
 772        for (; i < CX2341X_MBOX_MAX_DATA; i++)
 773                mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
 774
 775        flag |= 3; /* tell 'em we're done writing */
 776        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 777
 778        /* wait for firmware to handle the API command */
 779        timeout = jiffies + msecs_to_jiffies(10);
 780        for (;;) {
 781                mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 782                if (0 != (flag & 4))
 783                        break;
 784                if (time_after(jiffies, timeout)) {
 785                        dprintk(3, "ERROR: API Mailbox timeout\n");
 786                        return -EIO;
 787                }
 788                udelay(10);
 789        }
 790
 791        /* read output values */
 792        for (i = 0; i < out; i++) {
 793                mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
 794                dprintk(3, "API Output %d = %d\n", i, data[i]);
 795        }
 796
 797        mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
 798        dprintk(3, "API result = %d\n", retval);
 799
 800        flag = 0;
 801        mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 802
 803        return 0;
 804}
 805
 806/* We don't need to call the API often, so using just one
 807 * mailbox will probably suffice
 808 */
 809static int cx231xx_api_cmd(struct cx231xx *dev, u32 command,
 810                u32 inputcnt, u32 outputcnt, ...)
 811{
 812        u32 data[CX2341X_MBOX_MAX_DATA];
 813        va_list vargs;
 814        int i, err;
 815
 816        dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
 817
 818        va_start(vargs, outputcnt);
 819        for (i = 0; i < inputcnt; i++)
 820                data[i] = va_arg(vargs, int);
 821
 822        err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data);
 823        for (i = 0; i < outputcnt; i++) {
 824                int *vptr = va_arg(vargs, int *);
 825                *vptr = data[i];
 826        }
 827        va_end(vargs);
 828
 829        return err;
 830}
 831
 832
 833static int cx231xx_find_mailbox(struct cx231xx *dev)
 834{
 835        u32 signature[4] = {
 836                0x12345678, 0x34567812, 0x56781234, 0x78123456
 837        };
 838        int signaturecnt = 0;
 839        u32 value;
 840        int i;
 841        int ret = 0;
 842
 843        dprintk(2, "%s()\n", __func__);
 844
 845        for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/
 846                ret = mc417_memory_read(dev, i, &value);
 847                if (ret < 0)
 848                        return ret;
 849                if (value == signature[signaturecnt])
 850                        signaturecnt++;
 851                else
 852                        signaturecnt = 0;
 853                if (4 == signaturecnt) {
 854                        dprintk(1, "Mailbox signature found at 0x%x\n", i + 1);
 855                        return i + 1;
 856                }
 857        }
 858        dprintk(3, "Mailbox signature values not found!\n");
 859        return -1;
 860}
 861
 862static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value,
 863                u32 *p_fw_image)
 864{
 865        u32 temp = 0;
 866        int i = 0;
 867
 868        temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8);
 869        temp = temp << 10;
 870        *p_fw_image = temp;
 871        p_fw_image++;
 872        temp = temp | (0x05 << 10);
 873        *p_fw_image = temp;
 874        p_fw_image++;
 875
 876        /*write data byte 1;*/
 877        temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
 878        temp = temp << 10;
 879        *p_fw_image = temp;
 880        p_fw_image++;
 881        temp = temp | (0x05 << 10);
 882        *p_fw_image = temp;
 883        p_fw_image++;
 884
 885        /*write data byte 2;*/
 886        temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8);
 887        temp = temp << 10;
 888        *p_fw_image = temp;
 889        p_fw_image++;
 890        temp = temp | (0x05 << 10);
 891        *p_fw_image = temp;
 892        p_fw_image++;
 893
 894        /*write data byte 3;*/
 895        temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16);
 896        temp = temp << 10;
 897        *p_fw_image = temp;
 898        p_fw_image++;
 899        temp = temp | (0x05 << 10);
 900        *p_fw_image = temp;
 901        p_fw_image++;
 902
 903        /* write address byte 2;*/
 904        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
 905                ((address & 0x003F0000) >> 8);
 906        temp = temp << 10;
 907        *p_fw_image = temp;
 908        p_fw_image++;
 909        temp = temp | (0x05 << 10);
 910        *p_fw_image = temp;
 911        p_fw_image++;
 912
 913        /* write address byte 1;*/
 914        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
 915        temp = temp << 10;
 916        *p_fw_image = temp;
 917        p_fw_image++;
 918        temp = temp | (0x05 << 10);
 919        *p_fw_image = temp;
 920        p_fw_image++;
 921
 922        /* write address byte 0;*/
 923        temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
 924        temp = temp << 10;
 925        *p_fw_image = temp;
 926        p_fw_image++;
 927        temp = temp | (0x05 << 10);
 928        *p_fw_image = temp;
 929        p_fw_image++;
 930
 931        for (i = 0; i < 6; i++) {
 932                *p_fw_image = 0xFFFFFFFF;
 933                p_fw_image++;
 934        }
 935}
 936
 937
 938static int cx231xx_load_firmware(struct cx231xx *dev)
 939{
 940        static const unsigned char magic[8] = {
 941                0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 942        };
 943        const struct firmware *firmware;
 944        int i, retval = 0;
 945        u32 value = 0;
 946        u32 gpio_output = 0;
 947        /*u32 checksum = 0;*/
 948        /*u32 *dataptr;*/
 949        u32 transfer_size = 0;
 950        u32 fw_data = 0;
 951        u32 address = 0;
 952        /*u32 current_fw[800];*/
 953        u32 *p_current_fw, *p_fw;
 954        u32 *p_fw_data;
 955        int frame = 0;
 956        u16 _buffer_size = 4096;
 957        u8 *p_buffer;
 958
 959        p_current_fw = vmalloc(1884180 * 4);
 960        p_fw = p_current_fw;
 961        if (p_current_fw == NULL) {
 962                dprintk(2, "FAIL!!!\n");
 963                return -1;
 964        }
 965
 966        p_buffer = vmalloc(4096);
 967        if (p_buffer == NULL) {
 968                dprintk(2, "FAIL!!!\n");
 969                return -1;
 970        }
 971
 972        dprintk(2, "%s()\n", __func__);
 973
 974        /* Save GPIO settings before reset of APU */
 975        retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
 976        retval |= mc417_memory_read(dev, 0x900C, &value);
 977
 978        retval  = mc417_register_write(dev,
 979                IVTV_REG_VPU, 0xFFFFFFED);
 980        retval |= mc417_register_write(dev,
 981                IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 982        retval |= mc417_register_write(dev,
 983                IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
 984        retval |= mc417_register_write(dev,
 985                IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 986        retval |= mc417_register_write(dev,
 987                IVTV_REG_APU, 0);
 988
 989        if (retval != 0) {
 990                dev_err(dev->dev,
 991                        "%s: Error with mc417_register_write\n", __func__);
 992                return -1;
 993        }
 994
 995        retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME,
 996                                  dev->dev);
 997
 998        if (retval != 0) {
 999                dev_err(dev->dev,
1000                        "ERROR: Hotplug firmware request failed (%s).\n",
1001                        CX231xx_FIRM_IMAGE_NAME);
1002                dev_err(dev->dev,
1003                        "Please fix your hotplug setup, the board will not work without firmware loaded!\n");
1004                return -1;
1005        }
1006
1007        if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) {
1008                dev_err(dev->dev,
1009                        "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
1010                        firmware->size, CX231xx_FIRM_IMAGE_SIZE);
1011                release_firmware(firmware);
1012                return -1;
1013        }
1014
1015        if (0 != memcmp(firmware->data, magic, 8)) {
1016                dev_err(dev->dev,
1017                        "ERROR: Firmware magic mismatch, wrong file?\n");
1018                release_firmware(firmware);
1019                return -1;
1020        }
1021
1022        initGPIO(dev);
1023
1024        /* transfer to the chip */
1025        dprintk(2, "Loading firmware to GPIO...\n");
1026        p_fw_data = (u32 *)firmware->data;
1027        dprintk(2, "firmware->size=%zd\n", firmware->size);
1028        for (transfer_size = 0; transfer_size < firmware->size;
1029                 transfer_size += 4) {
1030                fw_data = *p_fw_data;
1031
1032                mci_write_memory_to_gpio(dev, address, fw_data, p_current_fw);
1033                address = address + 1;
1034                p_current_fw += 20;
1035                p_fw_data += 1;
1036        }
1037
1038        /*download the firmware by ep5-out*/
1039
1040        for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size);
1041             frame++) {
1042                for (i = 0; i < _buffer_size; i++) {
1043                        *(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF);
1044                        i++;
1045                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8);
1046                        i++;
1047                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16);
1048                        i++;
1049                        *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24);
1050                }
1051                cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size);
1052        }
1053
1054        p_current_fw = p_fw;
1055        vfree(p_current_fw);
1056        p_current_fw = NULL;
1057        uninitGPIO(dev);
1058        release_firmware(firmware);
1059        dprintk(1, "Firmware upload successful.\n");
1060
1061        retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
1062                IVTV_CMD_HW_BLOCKS_RST);
1063        if (retval < 0) {
1064                dev_err(dev->dev,
1065                        "%s: Error with mc417_register_write\n",
1066                        __func__);
1067                return retval;
1068        }
1069        /* F/W power up disturbs the GPIOs, restore state */
1070        retval |= mc417_register_write(dev, 0x9020, gpio_output);
1071        retval |= mc417_register_write(dev, 0x900C, value);
1072
1073        retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
1074        retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
1075
1076        if (retval < 0) {
1077                dev_err(dev->dev,
1078                        "%s: Error with mc417_register_write\n",
1079                        __func__);
1080                return retval;
1081        }
1082        return 0;
1083}
1084
1085static void cx231xx_417_check_encoder(struct cx231xx *dev)
1086{
1087        u32 status, seq;
1088
1089        status = 0;
1090        seq = 0;
1091        cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1092        dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1093}
1094
1095static void cx231xx_codec_settings(struct cx231xx *dev)
1096{
1097        dprintk(1, "%s()\n", __func__);
1098
1099        /* assign frame size */
1100        cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1101                                dev->ts1.height, dev->ts1.width);
1102
1103        dev->mpeg_ctrl_handler.width = dev->ts1.width;
1104        dev->mpeg_ctrl_handler.height = dev->ts1.height;
1105
1106        cx2341x_handler_setup(&dev->mpeg_ctrl_handler);
1107
1108        cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1109        cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1110}
1111
1112static int cx231xx_initialize_codec(struct cx231xx *dev)
1113{
1114        int version;
1115        int retval;
1116        u32 i;
1117        u32 val = 0;
1118
1119        dprintk(1, "%s()\n", __func__);
1120        cx231xx_disable656(dev);
1121        retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1122        if (retval < 0) {
1123                dprintk(2, "%s: PING OK\n", __func__);
1124                retval = cx231xx_load_firmware(dev);
1125                if (retval < 0) {
1126                        dev_err(dev->dev,
1127                                "%s: f/w load failed\n", __func__);
1128                        return retval;
1129                }
1130                retval = cx231xx_find_mailbox(dev);
1131                if (retval < 0) {
1132                        dev_err(dev->dev, "%s: mailbox < 0, error\n",
1133                                __func__);
1134                        return -1;
1135                }
1136                dev->cx23417_mailbox = retval;
1137                retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1138                if (retval < 0) {
1139                        dev_err(dev->dev,
1140                                "ERROR: cx23417 firmware ping failed!\n");
1141                        return -1;
1142                }
1143                retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1144                        &version);
1145                if (retval < 0) {
1146                        dev_err(dev->dev,
1147                                "ERROR: cx23417 firmware get encoder: version failed!\n");
1148                        return -1;
1149                }
1150                dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1151                msleep(200);
1152        }
1153
1154        for (i = 0; i < 1; i++) {
1155                retval = mc417_register_read(dev, 0x20f8, &val);
1156                dprintk(3, "***before enable656() VIM Capture Lines = %d ***\n",
1157                                 val);
1158                if (retval < 0)
1159                        return retval;
1160        }
1161
1162        cx231xx_enable656(dev);
1163
1164        /* stop mpeg capture */
1165        cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 1, 3, 4);
1166
1167        cx231xx_codec_settings(dev);
1168        msleep(60);
1169
1170/*      cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1171                CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115);
1172        cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1173                CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1174                0, 0);
1175*/
1176
1177#if 0
1178        /* TODO */
1179        u32 data[7];
1180
1181        /* Setup to capture VBI */
1182        data[0] = 0x0001BD00;
1183        data[1] = 1;          /* frames per interrupt */
1184        data[2] = 4;          /* total bufs */
1185        data[3] = 0x91559155; /* start codes */
1186        data[4] = 0x206080C0; /* stop codes */
1187        data[5] = 6;          /* lines */
1188        data[6] = 64;         /* BPL */
1189
1190        cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1191                data[2], data[3], data[4], data[5], data[6]);
1192
1193        for (i = 2; i <= 24; i++) {
1194                int valid;
1195
1196                valid = ((i >= 19) && (i <= 21));
1197                cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1198                                valid, 0 , 0, 0);
1199                cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1200                                i | 0x80000000, valid, 0, 0, 0);
1201        }
1202#endif
1203/*      cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
1204        msleep(60);
1205*/
1206        /* initialize the video input */
1207        retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1208        if (retval < 0)
1209                return retval;
1210        msleep(60);
1211
1212        /* Enable VIP style pixel invalidation so we work with scaled mode */
1213        mc417_memory_write(dev, 2120, 0x00000080);
1214
1215        /* start capturing to the host interface */
1216        retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1217                CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE);
1218        if (retval < 0)
1219                return retval;
1220        msleep(10);
1221
1222        for (i = 0; i < 1; i++) {
1223                mc417_register_read(dev, 0x20f8, &val);
1224                dprintk(3, "***VIM Capture Lines =%d ***\n", val);
1225        }
1226
1227        return 0;
1228}
1229
1230/* ------------------------------------------------------------------ */
1231
1232static int bb_buf_setup(struct videobuf_queue *q,
1233        unsigned int *count, unsigned int *size)
1234{
1235        struct cx231xx_fh *fh = q->priv_data;
1236
1237        fh->dev->ts1.ts_packet_size  = mpeglinesize;
1238        fh->dev->ts1.ts_packet_count = mpeglines;
1239
1240        *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1241        *count = mpegbufs;
1242
1243        return 0;
1244}
1245
1246static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
1247{
1248        struct cx231xx_fh *fh = vq->priv_data;
1249        struct cx231xx *dev = fh->dev;
1250        unsigned long flags = 0;
1251
1252        BUG_ON(in_interrupt());
1253
1254        spin_lock_irqsave(&dev->video_mode.slock, flags);
1255        if (dev->USE_ISO) {
1256                if (dev->video_mode.isoc_ctl.buf == buf)
1257                        dev->video_mode.isoc_ctl.buf = NULL;
1258        } else {
1259                if (dev->video_mode.bulk_ctl.buf == buf)
1260                        dev->video_mode.bulk_ctl.buf = NULL;
1261        }
1262        spin_unlock_irqrestore(&dev->video_mode.slock, flags);
1263        videobuf_waiton(vq, &buf->vb, 0, 0);
1264        videobuf_vmalloc_free(&buf->vb);
1265        buf->vb.state = VIDEOBUF_NEEDS_INIT;
1266}
1267
1268static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
1269                struct cx231xx_dmaqueue *dma_q)
1270{
1271        void *vbuf;
1272        struct cx231xx_buffer *buf;
1273        u32 tail_data = 0;
1274        char *p_data;
1275
1276        if (dma_q->mpeg_buffer_done == 0) {
1277                if (list_empty(&dma_q->active))
1278                        return;
1279
1280                buf = list_entry(dma_q->active.next,
1281                                struct cx231xx_buffer, vb.queue);
1282                dev->video_mode.isoc_ctl.buf = buf;
1283                dma_q->mpeg_buffer_done = 1;
1284        }
1285        /* Fill buffer */
1286        buf = dev->video_mode.isoc_ctl.buf;
1287        vbuf = videobuf_to_vmalloc(&buf->vb);
1288
1289        if ((dma_q->mpeg_buffer_completed+len) <
1290                        mpeglines*mpeglinesize) {
1291                if (dma_q->add_ps_package_head ==
1292                                CX231XX_NEED_ADD_PS_PACKAGE_HEAD) {
1293                        memcpy(vbuf+dma_q->mpeg_buffer_completed,
1294                                        dma_q->ps_head, 3);
1295                        dma_q->mpeg_buffer_completed =
1296                                dma_q->mpeg_buffer_completed + 3;
1297                        dma_q->add_ps_package_head =
1298                                CX231XX_NONEED_PS_PACKAGE_HEAD;
1299                }
1300                memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len);
1301                dma_q->mpeg_buffer_completed =
1302                        dma_q->mpeg_buffer_completed + len;
1303        } else {
1304                dma_q->mpeg_buffer_done = 0;
1305
1306                tail_data =
1307                        mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed;
1308                memcpy(vbuf+dma_q->mpeg_buffer_completed,
1309                                data, tail_data);
1310
1311                buf->vb.state = VIDEOBUF_DONE;
1312                buf->vb.field_count++;
1313                v4l2_get_timestamp(&buf->vb.ts);
1314                list_del(&buf->vb.queue);
1315                wake_up(&buf->vb.done);
1316                dma_q->mpeg_buffer_completed = 0;
1317
1318                if (len - tail_data > 0) {
1319                        p_data = data + tail_data;
1320                        dma_q->left_data_count = len - tail_data;
1321                        memcpy(dma_q->p_left_data,
1322                                        p_data, len - tail_data);
1323                }
1324        }
1325}
1326
1327static void buffer_filled(char *data, int len, struct urb *urb,
1328                struct cx231xx_dmaqueue *dma_q)
1329{
1330        void *vbuf;
1331        struct cx231xx_buffer *buf;
1332
1333        if (list_empty(&dma_q->active))
1334                return;
1335
1336        buf = list_entry(dma_q->active.next,
1337                        struct cx231xx_buffer, vb.queue);
1338
1339        /* Fill buffer */
1340        vbuf = videobuf_to_vmalloc(&buf->vb);
1341        memcpy(vbuf, data, len);
1342        buf->vb.state = VIDEOBUF_DONE;
1343        buf->vb.field_count++;
1344        v4l2_get_timestamp(&buf->vb.ts);
1345        list_del(&buf->vb.queue);
1346        wake_up(&buf->vb.done);
1347}
1348
1349static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
1350{
1351        struct cx231xx_dmaqueue *dma_q = urb->context;
1352        unsigned char *p_buffer;
1353        u32 buffer_size = 0;
1354        u32 i = 0;
1355
1356        for (i = 0; i < urb->number_of_packets; i++) {
1357                if (dma_q->left_data_count > 0) {
1358                        buffer_copy(dev, dma_q->p_left_data,
1359                                    dma_q->left_data_count, urb, dma_q);
1360                        dma_q->mpeg_buffer_completed = dma_q->left_data_count;
1361                        dma_q->left_data_count = 0;
1362                }
1363
1364                p_buffer = urb->transfer_buffer +
1365                                urb->iso_frame_desc[i].offset;
1366                buffer_size = urb->iso_frame_desc[i].actual_length;
1367
1368                if (buffer_size > 0)
1369                        buffer_copy(dev, p_buffer, buffer_size, urb, dma_q);
1370        }
1371
1372        return 0;
1373}
1374
1375static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
1376{
1377        struct cx231xx_dmaqueue *dma_q = urb->context;
1378        unsigned char *p_buffer, *buffer;
1379        u32 buffer_size = 0;
1380
1381        p_buffer = urb->transfer_buffer;
1382        buffer_size = urb->actual_length;
1383
1384        buffer = kmalloc(buffer_size, GFP_ATOMIC);
1385
1386        memcpy(buffer, dma_q->ps_head, 3);
1387        memcpy(buffer+3, p_buffer, buffer_size-3);
1388        memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3);
1389
1390        p_buffer = buffer;
1391        buffer_filled(p_buffer, buffer_size, urb, dma_q);
1392
1393        kfree(buffer);
1394        return 0;
1395}
1396
1397static int bb_buf_prepare(struct videobuf_queue *q,
1398        struct videobuf_buffer *vb, enum v4l2_field field)
1399{
1400        struct cx231xx_fh *fh = q->priv_data;
1401        struct cx231xx_buffer *buf =
1402            container_of(vb, struct cx231xx_buffer, vb);
1403        struct cx231xx *dev = fh->dev;
1404        int rc = 0, urb_init = 0;
1405        int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1406
1407        if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1408                return -EINVAL;
1409        buf->vb.width = fh->dev->ts1.ts_packet_size;
1410        buf->vb.height = fh->dev->ts1.ts_packet_count;
1411        buf->vb.size = size;
1412        buf->vb.field = field;
1413
1414        if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1415                rc = videobuf_iolock(q, &buf->vb, NULL);
1416                if (rc < 0)
1417                        goto fail;
1418        }
1419
1420        if (dev->USE_ISO) {
1421                if (!dev->video_mode.isoc_ctl.num_bufs)
1422                        urb_init = 1;
1423        } else {
1424                if (!dev->video_mode.bulk_ctl.num_bufs)
1425                        urb_init = 1;
1426        }
1427        dev_dbg(dev->dev,
1428                "urb_init=%d dev->video_mode.max_pkt_size=%d\n",
1429                urb_init, dev->video_mode.max_pkt_size);
1430        dev->mode_tv = 1;
1431
1432        if (urb_init) {
1433                rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1434                rc = cx231xx_unmute_audio(dev);
1435                if (dev->USE_ISO) {
1436                        cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
1437                        rc = cx231xx_init_isoc(dev, mpeglines,
1438                                       mpegbufs,
1439                                       dev->ts1_mode.max_pkt_size,
1440                                       cx231xx_isoc_copy);
1441                } else {
1442                        cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1443                        rc = cx231xx_init_bulk(dev, mpeglines,
1444                                       mpegbufs,
1445                                       dev->ts1_mode.max_pkt_size,
1446                                       cx231xx_bulk_copy);
1447                }
1448                if (rc < 0)
1449                        goto fail;
1450        }
1451
1452        buf->vb.state = VIDEOBUF_PREPARED;
1453        return 0;
1454
1455fail:
1456        free_buffer(q, buf);
1457        return rc;
1458}
1459
1460static void bb_buf_queue(struct videobuf_queue *q,
1461        struct videobuf_buffer *vb)
1462{
1463        struct cx231xx_fh *fh = q->priv_data;
1464
1465        struct cx231xx_buffer *buf =
1466            container_of(vb, struct cx231xx_buffer, vb);
1467        struct cx231xx *dev = fh->dev;
1468        struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
1469
1470        buf->vb.state = VIDEOBUF_QUEUED;
1471        list_add_tail(&buf->vb.queue, &vidq->active);
1472
1473}
1474
1475static void bb_buf_release(struct videobuf_queue *q,
1476        struct videobuf_buffer *vb)
1477{
1478        struct cx231xx_buffer *buf =
1479            container_of(vb, struct cx231xx_buffer, vb);
1480        /*struct cx231xx_fh *fh = q->priv_data;*/
1481        /*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
1482
1483        free_buffer(q, buf);
1484}
1485
1486static struct videobuf_queue_ops cx231xx_qops = {
1487        .buf_setup    = bb_buf_setup,
1488        .buf_prepare  = bb_buf_prepare,
1489        .buf_queue    = bb_buf_queue,
1490        .buf_release  = bb_buf_release,
1491};
1492
1493/* ------------------------------------------------------------------ */
1494
1495static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
1496{
1497        struct cx231xx_fh  *fh  = file->private_data;
1498        struct cx231xx *dev = fh->dev;
1499
1500        *norm = dev->encodernorm.id;
1501        return 0;
1502}
1503
1504static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1505{
1506        struct cx231xx_fh  *fh  = file->private_data;
1507        struct cx231xx *dev = fh->dev;
1508        unsigned int i;
1509
1510        for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
1511                if (id & cx231xx_tvnorms[i].id)
1512                        break;
1513        if (i == ARRAY_SIZE(cx231xx_tvnorms))
1514                return -EINVAL;
1515        dev->encodernorm = cx231xx_tvnorms[i];
1516
1517        if (dev->encodernorm.id & 0xb000) {
1518                dprintk(3, "encodernorm set to NTSC\n");
1519                dev->norm = V4L2_STD_NTSC;
1520                dev->ts1.height = 480;
1521                cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
1522        } else {
1523                dprintk(3, "encodernorm set to PAL\n");
1524                dev->norm = V4L2_STD_PAL_B;
1525                dev->ts1.height = 576;
1526                cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true);
1527        }
1528        call_all(dev, video, s_std, dev->norm);
1529        /* do mode control overrides */
1530        cx231xx_do_mode_ctrl_overrides(dev);
1531
1532        dprintk(3, "exit vidioc_s_std() i=0x%x\n", i);
1533        return 0;
1534}
1535
1536static int vidioc_s_ctrl(struct file *file, void *priv,
1537                                struct v4l2_control *ctl)
1538{
1539        struct cx231xx_fh  *fh  = file->private_data;
1540        struct cx231xx *dev = fh->dev;
1541
1542        dprintk(3, "enter vidioc_s_ctrl()\n");
1543        /* Update the A/V core */
1544        call_all(dev, core, s_ctrl, ctl);
1545        dprintk(3, "exit vidioc_s_ctrl()\n");
1546        return 0;
1547}
1548
1549static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1550                                        struct v4l2_fmtdesc *f)
1551{
1552        if (f->index != 0)
1553                return -EINVAL;
1554
1555        strlcpy(f->description, "MPEG", sizeof(f->description));
1556        f->pixelformat = V4L2_PIX_FMT_MPEG;
1557
1558        return 0;
1559}
1560
1561static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1562                                struct v4l2_format *f)
1563{
1564        struct cx231xx_fh  *fh  = file->private_data;
1565        struct cx231xx *dev = fh->dev;
1566
1567        dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
1568        f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1569        f->fmt.pix.bytesperline = 0;
1570        f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1571        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1572        f->fmt.pix.width = dev->ts1.width;
1573        f->fmt.pix.height = dev->ts1.height;
1574        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1575        dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
1576                dev->ts1.width, dev->ts1.height);
1577        dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
1578        return 0;
1579}
1580
1581static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1582                                struct v4l2_format *f)
1583{
1584        struct cx231xx_fh  *fh  = file->private_data;
1585        struct cx231xx *dev = fh->dev;
1586
1587        dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
1588        f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1589        f->fmt.pix.bytesperline = 0;
1590        f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
1591        f->fmt.pix.field = V4L2_FIELD_INTERLACED;
1592        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1593        dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
1594                dev->ts1.width, dev->ts1.height);
1595        dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
1596        return 0;
1597}
1598
1599static int vidioc_reqbufs(struct file *file, void *priv,
1600                                struct v4l2_requestbuffers *p)
1601{
1602        struct cx231xx_fh  *fh  = file->private_data;
1603
1604        return videobuf_reqbufs(&fh->vidq, p);
1605}
1606
1607static int vidioc_querybuf(struct file *file, void *priv,
1608                                struct v4l2_buffer *p)
1609{
1610        struct cx231xx_fh  *fh  = file->private_data;
1611
1612        return videobuf_querybuf(&fh->vidq, p);
1613}
1614
1615static int vidioc_qbuf(struct file *file, void *priv,
1616                                struct v4l2_buffer *p)
1617{
1618        struct cx231xx_fh  *fh  = file->private_data;
1619
1620        return videobuf_qbuf(&fh->vidq, p);
1621}
1622
1623static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1624{
1625        struct cx231xx_fh  *fh  = priv;
1626
1627        return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
1628}
1629
1630
1631static int vidioc_streamon(struct file *file, void *priv,
1632                                enum v4l2_buf_type i)
1633{
1634        struct cx231xx_fh  *fh  = file->private_data;
1635        struct cx231xx *dev = fh->dev;
1636
1637        dprintk(3, "enter vidioc_streamon()\n");
1638        cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1639        cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1640        if (dev->USE_ISO)
1641                cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
1642                                CX231XX_NUM_BUFS,
1643                                dev->video_mode.max_pkt_size,
1644                                cx231xx_isoc_copy);
1645        else {
1646                cx231xx_init_bulk(dev, 320,
1647                                5,
1648                                dev->ts1_mode.max_pkt_size,
1649                                cx231xx_bulk_copy);
1650        }
1651        dprintk(3, "exit vidioc_streamon()\n");
1652        return videobuf_streamon(&fh->vidq);
1653}
1654
1655static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1656{
1657        struct cx231xx_fh  *fh  = file->private_data;
1658
1659        return videobuf_streamoff(&fh->vidq);
1660}
1661
1662static int vidioc_log_status(struct file *file, void *priv)
1663{
1664        struct cx231xx_fh  *fh  = priv;
1665        struct cx231xx *dev = fh->dev;
1666
1667        call_all(dev, core, log_status);
1668        return v4l2_ctrl_log_status(file, priv);
1669}
1670
1671static int mpeg_open(struct file *file)
1672{
1673        struct video_device *vdev = video_devdata(file);
1674        struct cx231xx *dev = video_drvdata(file);
1675        struct cx231xx_fh *fh;
1676
1677        dprintk(2, "%s()\n", __func__);
1678
1679        if (mutex_lock_interruptible(&dev->lock))
1680                return -ERESTARTSYS;
1681
1682        /* allocate + initialize per filehandle data */
1683        fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1684        if (NULL == fh) {
1685                mutex_unlock(&dev->lock);
1686                return -ENOMEM;
1687        }
1688
1689        file->private_data = fh;
1690        v4l2_fh_init(&fh->fh, vdev);
1691        fh->dev = dev;
1692
1693
1694        videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
1695                            NULL, &dev->video_mode.slock,
1696                            V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
1697                            sizeof(struct cx231xx_buffer), fh, &dev->lock);
1698/*
1699        videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
1700                            dev->dev, &dev->ts1.slock,
1701                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
1702                            V4L2_FIELD_INTERLACED,
1703                            sizeof(struct cx231xx_buffer),
1704                            fh, &dev->lock);
1705*/
1706
1707        cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
1708        cx231xx_set_gpio_value(dev, 2, 0);
1709
1710        cx231xx_initialize_codec(dev);
1711
1712        mutex_unlock(&dev->lock);
1713        v4l2_fh_add(&fh->fh);
1714        cx231xx_start_TS1(dev);
1715
1716        return 0;
1717}
1718
1719static int mpeg_release(struct file *file)
1720{
1721        struct cx231xx_fh  *fh  = file->private_data;
1722        struct cx231xx *dev = fh->dev;
1723
1724        dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
1725
1726        mutex_lock(&dev->lock);
1727
1728        cx231xx_stop_TS1(dev);
1729
1730        /* do this before setting alternate! */
1731        if (dev->USE_ISO)
1732                cx231xx_uninit_isoc(dev);
1733        else
1734                cx231xx_uninit_bulk(dev);
1735        cx231xx_set_mode(dev, CX231XX_SUSPEND);
1736
1737        cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1738                        CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
1739                        CX231xx_RAW_BITS_NONE);
1740
1741        /* FIXME: Review this crap */
1742        /* Shut device down on last close */
1743        if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1744                if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1745                        /* stop mpeg capture */
1746
1747                        msleep(500);
1748                        cx231xx_417_check_encoder(dev);
1749
1750                }
1751        }
1752
1753        if (fh->vidq.streaming)
1754                videobuf_streamoff(&fh->vidq);
1755        if (fh->vidq.reading)
1756                videobuf_read_stop(&fh->vidq);
1757
1758        videobuf_mmap_free(&fh->vidq);
1759        v4l2_fh_del(&fh->fh);
1760        v4l2_fh_exit(&fh->fh);
1761        kfree(fh);
1762        mutex_unlock(&dev->lock);
1763        return 0;
1764}
1765
1766static ssize_t mpeg_read(struct file *file, char __user *data,
1767        size_t count, loff_t *ppos)
1768{
1769        struct cx231xx_fh *fh = file->private_data;
1770        struct cx231xx *dev = fh->dev;
1771
1772        /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1773        /* Start mpeg encoder on first read. */
1774        if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1775                if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1776                        if (cx231xx_initialize_codec(dev) < 0)
1777                                return -EINVAL;
1778                }
1779        }
1780
1781        return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
1782                                    file->f_flags & O_NONBLOCK);
1783}
1784
1785static unsigned int mpeg_poll(struct file *file,
1786        struct poll_table_struct *wait)
1787{
1788        unsigned long req_events = poll_requested_events(wait);
1789        struct cx231xx_fh *fh = file->private_data;
1790        struct cx231xx *dev = fh->dev;
1791        unsigned int res = 0;
1792
1793        if (v4l2_event_pending(&fh->fh))
1794                res |= POLLPRI;
1795        else
1796                poll_wait(file, &fh->fh.wait, wait);
1797
1798        if (!(req_events & (POLLIN | POLLRDNORM)))
1799                return res;
1800
1801        mutex_lock(&dev->lock);
1802        res |= videobuf_poll_stream(file, &fh->vidq, wait);
1803        mutex_unlock(&dev->lock);
1804        return res;
1805}
1806
1807static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1808{
1809        struct cx231xx_fh *fh = file->private_data;
1810
1811        dprintk(2, "%s()\n", __func__);
1812
1813        return videobuf_mmap_mapper(&fh->vidq, vma);
1814}
1815
1816static struct v4l2_file_operations mpeg_fops = {
1817        .owner         = THIS_MODULE,
1818        .open          = mpeg_open,
1819        .release       = mpeg_release,
1820        .read          = mpeg_read,
1821        .poll          = mpeg_poll,
1822        .mmap          = mpeg_mmap,
1823        .unlocked_ioctl = video_ioctl2,
1824};
1825
1826static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1827        .vidioc_s_std            = vidioc_s_std,
1828        .vidioc_g_std            = vidioc_g_std,
1829        .vidioc_g_tuner          = cx231xx_g_tuner,
1830        .vidioc_s_tuner          = cx231xx_s_tuner,
1831        .vidioc_g_frequency      = cx231xx_g_frequency,
1832        .vidioc_s_frequency      = cx231xx_s_frequency,
1833        .vidioc_enum_input       = cx231xx_enum_input,
1834        .vidioc_g_input          = cx231xx_g_input,
1835        .vidioc_s_input          = cx231xx_s_input,
1836        .vidioc_s_ctrl           = vidioc_s_ctrl,
1837        .vidioc_querycap         = cx231xx_querycap,
1838        .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1839        .vidioc_g_fmt_vid_cap    = vidioc_g_fmt_vid_cap,
1840        .vidioc_try_fmt_vid_cap  = vidioc_try_fmt_vid_cap,
1841        .vidioc_s_fmt_vid_cap    = vidioc_try_fmt_vid_cap,
1842        .vidioc_reqbufs          = vidioc_reqbufs,
1843        .vidioc_querybuf         = vidioc_querybuf,
1844        .vidioc_qbuf             = vidioc_qbuf,
1845        .vidioc_dqbuf            = vidioc_dqbuf,
1846        .vidioc_streamon         = vidioc_streamon,
1847        .vidioc_streamoff        = vidioc_streamoff,
1848        .vidioc_log_status       = vidioc_log_status,
1849#ifdef CONFIG_VIDEO_ADV_DEBUG
1850        .vidioc_g_register       = cx231xx_g_register,
1851        .vidioc_s_register       = cx231xx_s_register,
1852#endif
1853        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1854        .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1855};
1856
1857static struct video_device cx231xx_mpeg_template = {
1858        .name          = "cx231xx",
1859        .fops          = &mpeg_fops,
1860        .ioctl_ops     = &mpeg_ioctl_ops,
1861        .minor         = -1,
1862        .tvnorms       = V4L2_STD_ALL,
1863};
1864
1865void cx231xx_417_unregister(struct cx231xx *dev)
1866{
1867        dprintk(1, "%s()\n", __func__);
1868        dprintk(3, "%s()\n", __func__);
1869
1870        if (video_is_registered(&dev->v4l_device)) {
1871                video_unregister_device(&dev->v4l_device);
1872                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1873        }
1874}
1875
1876static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val)
1877{
1878        struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1879        int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
1880        struct v4l2_subdev_format format = {
1881                .which = V4L2_SUBDEV_FORMAT_ACTIVE,
1882        };
1883
1884        /* fix videodecoder resolution */
1885        format.format.width = cxhdl->width / (is_mpeg1 ? 2 : 1);
1886        format.format.height = cxhdl->height;
1887        format.format.code = MEDIA_BUS_FMT_FIXED;
1888        v4l2_subdev_call(dev->sd_cx25840, pad, set_fmt, NULL, &format);
1889        return 0;
1890}
1891
1892static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx)
1893{
1894        static const u32 freqs[3] = { 44100, 48000, 32000 };
1895        struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler);
1896
1897        /* The audio clock of the digitizer must match the codec sample
1898           rate otherwise you get some very strange effects. */
1899        if (idx < ARRAY_SIZE(freqs))
1900                call_all(dev, audio, s_clock_freq, freqs[idx]);
1901        return 0;
1902}
1903
1904static struct cx2341x_handler_ops cx231xx_ops = {
1905        /* needed for the video clock freq */
1906        .s_audio_sampling_freq = cx231xx_s_audio_sampling_freq,
1907        /* needed for setting up the video resolution */
1908        .s_video_encoding = cx231xx_s_video_encoding,
1909};
1910
1911static void cx231xx_video_dev_init(
1912        struct cx231xx *dev,
1913        struct usb_device *usbdev,
1914        struct video_device *vfd,
1915        const struct video_device *template,
1916        const char *type)
1917{
1918        dprintk(1, "%s()\n", __func__);
1919        *vfd = *template;
1920        snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1921                type, cx231xx_boards[dev->model].name);
1922
1923        vfd->v4l2_dev = &dev->v4l2_dev;
1924        vfd->lock = &dev->lock;
1925        vfd->release = video_device_release_empty;
1926        vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl;
1927        video_set_drvdata(vfd, dev);
1928        if (dev->tuner_type == TUNER_ABSENT) {
1929                v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
1930                v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY);
1931                v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
1932                v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
1933        }
1934}
1935
1936int cx231xx_417_register(struct cx231xx *dev)
1937{
1938        /* FIXME: Port1 hardcoded here */
1939        int err = -ENODEV;
1940        struct cx231xx_tsport *tsport = &dev->ts1;
1941
1942        dprintk(1, "%s()\n", __func__);
1943
1944        /* Set default TV standard */
1945        dev->encodernorm = cx231xx_tvnorms[0];
1946
1947        if (dev->encodernorm.id & V4L2_STD_525_60)
1948                tsport->height = 480;
1949        else
1950                tsport->height = 576;
1951
1952        tsport->width = 720;
1953        err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50);
1954        if (err) {
1955                dprintk(3, "%s: can't init cx2341x controls\n", dev->name);
1956                return err;
1957        }
1958        dev->mpeg_ctrl_handler.func = cx231xx_mbox_func;
1959        dev->mpeg_ctrl_handler.priv = dev;
1960        dev->mpeg_ctrl_handler.ops = &cx231xx_ops;
1961        if (dev->sd_cx25840)
1962                v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl,
1963                                dev->sd_cx25840->ctrl_handler, NULL);
1964        if (dev->mpeg_ctrl_handler.hdl.error) {
1965                err = dev->mpeg_ctrl_handler.hdl.error;
1966                dprintk(3, "%s: can't add cx25840 controls\n", dev->name);
1967                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1968                return err;
1969        }
1970        dev->norm = V4L2_STD_NTSC;
1971
1972        dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL;
1973        cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false);
1974
1975        /* Allocate and initialize V4L video device */
1976        cx231xx_video_dev_init(dev, dev->udev,
1977                        &dev->v4l_device, &cx231xx_mpeg_template, "mpeg");
1978        err = video_register_device(&dev->v4l_device,
1979                VFL_TYPE_GRABBER, -1);
1980        if (err < 0) {
1981                dprintk(3, "%s: can't register mpeg device\n", dev->name);
1982                v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl);
1983                return err;
1984        }
1985
1986        dprintk(3, "%s: registered device video%d [mpeg]\n",
1987               dev->name, dev->v4l_device.num);
1988
1989        return 0;
1990}
1991
1992MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME);
1993