git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/cx23885/cx23885-417.c

   1 /*
   2  *
   3  *  Support for a cx23417 mpeg encoder via cx23885 host port.
   4  *
   5  *    (c) 2004 Jelle Foks <jelle@foks.8m.com>
   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 <media/v4l2-common.h>
  35 #include <media/v4l2-ioctl.h>
  36 #include <media/cx2341x.h>
  37
  38 #include "cx23885.h"
  39
  40 #define CX23885_FIRM_IMAGE_SIZE 376836
  41 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
  42
  43 static unsigned int mpegbufs = 32;
  44 module_param(mpegbufs, int, 0644);
  45 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
  46 static unsigned int mpeglines = 32;
  47 module_param(mpeglines, int, 0644);
  48 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
  49 static unsigned int mpeglinesize = 512;
  50 module_param(mpeglinesize, int, 0644);
  51 MODULE_PARM_DESC(mpeglinesize,
  52         "number of bytes in each line of an MPEG buffer, range 512-1024");
  53
  54 static unsigned int v4l_debug;
  55 module_param(v4l_debug, int, 0644);
  56 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
  57
  58 #define dprintk(level, fmt, arg...)\
  59         do { if (v4l_debug >= level) \
  60                 printk(KERN_DEBUG "%s: " fmt, dev->name , ## arg);\
  61         } while (0)
  62
  63 static struct cx23885_tvnorm cx23885_tvnorms[] = {
  64         {
  65                 .name      = "NTSC-M",
  66                 .id        = V4L2_STD_NTSC_M,
  67         }, {
  68                 .name      = "NTSC-JP",
  69                 .id        = V4L2_STD_NTSC_M_JP,
  70         }, {
  71                 .name      = "PAL-BG",
  72                 .id        = V4L2_STD_PAL_BG,
  73         }, {
  74                 .name      = "PAL-DK",
  75                 .id        = V4L2_STD_PAL_DK,
  76         }, {
  77                 .name      = "PAL-I",
  78                 .id        = V4L2_STD_PAL_I,
  79         }, {
  80                 .name      = "PAL-M",
  81                 .id        = V4L2_STD_PAL_M,
  82         }, {
  83                 .name      = "PAL-N",
  84                 .id        = V4L2_STD_PAL_N,
  85         }, {
  86                 .name      = "PAL-Nc",
  87                 .id        = V4L2_STD_PAL_Nc,
  88         }, {
  89                 .name      = "PAL-60",
  90                 .id        = V4L2_STD_PAL_60,
  91         }, {
  92                 .name      = "SECAM-L",
  93                 .id        = V4L2_STD_SECAM_L,
  94         }, {
  95                 .name      = "SECAM-DK",
  96                 .id        = V4L2_STD_SECAM_DK,
  97         }
  98 };
  99
 100 /* ------------------------------------------------------------------ */
 101 enum cx23885_capture_type {
 102         CX23885_MPEG_CAPTURE,
 103         CX23885_RAW_CAPTURE,
 104         CX23885_RAW_PASSTHRU_CAPTURE
 105 };
 106 enum cx23885_capture_bits {
 107         CX23885_RAW_BITS_NONE             = 0x00,
 108         CX23885_RAW_BITS_YUV_CAPTURE      = 0x01,
 109         CX23885_RAW_BITS_PCM_CAPTURE      = 0x02,
 110         CX23885_RAW_BITS_VBI_CAPTURE      = 0x04,
 111         CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
 112         CX23885_RAW_BITS_TO_HOST_CAPTURE  = 0x10
 113 };
 114 enum cx23885_capture_end {
 115         CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
 116         CX23885_END_NOW, /* stop immediately, no irq */
 117 };
 118 enum cx23885_framerate {
 119         CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
 120         CX23885_FRAMERATE_PAL_25   /* PAL: 25fps */
 121 };
 122 enum cx23885_stream_port {
 123         CX23885_OUTPUT_PORT_MEMORY,
 124         CX23885_OUTPUT_PORT_STREAMING,
 125         CX23885_OUTPUT_PORT_SERIAL
 126 };
 127 enum cx23885_data_xfer_status {
 128         CX23885_MORE_BUFFERS_FOLLOW,
 129         CX23885_LAST_BUFFER,
 130 };
 131 enum cx23885_picture_mask {
 132         CX23885_PICTURE_MASK_NONE,
 133         CX23885_PICTURE_MASK_I_FRAMES,
 134         CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
 135         CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
 136 };
 137 enum cx23885_vbi_mode_bits {
 138         CX23885_VBI_BITS_SLICED,
 139         CX23885_VBI_BITS_RAW,
 140 };
 141 enum cx23885_vbi_insertion_bits {
 142         CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 143         CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 144         CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 145         CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 146         CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 147 };
 148 enum cx23885_dma_unit {
 149         CX23885_DMA_BYTES,
 150         CX23885_DMA_FRAMES,
 151 };
 152 enum cx23885_dma_transfer_status_bits {
 153         CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
 154         CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
 155         CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 156 };
 157 enum cx23885_pause {
 158         CX23885_PAUSE_ENCODING,
 159         CX23885_RESUME_ENCODING,
 160 };
 161 enum cx23885_copyright {
 162         CX23885_COPYRIGHT_OFF,
 163         CX23885_COPYRIGHT_ON,
 164 };
 165 enum cx23885_notification_type {
 166         CX23885_NOTIFICATION_REFRESH,
 167 };
 168 enum cx23885_notification_status {
 169         CX23885_NOTIFICATION_OFF,
 170         CX23885_NOTIFICATION_ON,
 171 };
 172 enum cx23885_notification_mailbox {
 173         CX23885_NOTIFICATION_NO_MAILBOX = -1,
 174 };
 175 enum cx23885_field1_lines {
 176         CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
 177         CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
 178         CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
 179 };
 180 enum cx23885_field2_lines {
 181         CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
 182         CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
 183         CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
 184 };
 185 enum cx23885_custom_data_type {
 186         CX23885_CUSTOM_EXTENSION_USR_DATA,
 187         CX23885_CUSTOM_PRIVATE_PACKET,
 188 };
 189 enum cx23885_mute {
 190         CX23885_UNMUTE,
 191         CX23885_MUTE,
 192 };
 193 enum cx23885_mute_video_mask {
 194         CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
 195         CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
 196         CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
 197 };
 198 enum cx23885_mute_video_shift {
 199         CX23885_MUTE_VIDEO_V_SHIFT = 8,
 200         CX23885_MUTE_VIDEO_U_SHIFT = 16,
 201         CX23885_MUTE_VIDEO_Y_SHIFT = 24,
 202 };
 203
 204 /* defines below are from ivtv-driver.h */
 205 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
 206
 207 /* Firmware API commands */
 208 #define IVTV_API_STD_TIMEOUT 500
 209
 210 /* Registers */
 211 /* IVTV_REG_OFFSET */
 212 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
 213 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
 214 #define IVTV_REG_SPU (0x9050)
 215 #define IVTV_REG_HW_BLOCKS (0x9054)
 216 #define IVTV_REG_VPU (0x9058)
 217 #define IVTV_REG_APU (0xA064)
 218
 219 /**** Bit definitions for MC417_RWD and MC417_OEN registers  ***
 220   bits 31-16
 221 +-----------+
 222 | Reserved  |
 223 +-----------+
 224   bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
 225 +-------+-------+-------+-------+-------+-------+-------+-------+
 226 | MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
 227 +-------+-------+-------+-------+-------+-------+-------+-------+
 228  bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
 229 +-------+-------+-------+-------+-------+-------+-------+-------+
 230 |MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
 231 +-------+-------+-------+-------+-------+-------+-------+-------+
 232 ***/
 233 #define MC417_MIWR      0x8000
 234 #define MC417_MIRD      0x4000
 235 #define MC417_MICS      0x2000
 236 #define MC417_MIRDY     0x1000
 237 #define MC417_MIADDR    0x0F00
 238 #define MC417_MIDATA    0x00FF
 239
 240 /* MIADDR* nibble definitions */
 241 #define  MCI_MEMORY_DATA_BYTE0          0x000
 242 #define  MCI_MEMORY_DATA_BYTE1          0x100
 243 #define  MCI_MEMORY_DATA_BYTE2          0x200
 244 #define  MCI_MEMORY_DATA_BYTE3          0x300
 245 #define  MCI_MEMORY_ADDRESS_BYTE2       0x400
 246 #define  MCI_MEMORY_ADDRESS_BYTE1       0x500
 247 #define  MCI_MEMORY_ADDRESS_BYTE0       0x600
 248 #define  MCI_REGISTER_DATA_BYTE0        0x800
 249 #define  MCI_REGISTER_DATA_BYTE1        0x900
 250 #define  MCI_REGISTER_DATA_BYTE2        0xA00
 251 #define  MCI_REGISTER_DATA_BYTE3        0xB00
 252 #define  MCI_REGISTER_ADDRESS_BYTE0     0xC00
 253 #define  MCI_REGISTER_ADDRESS_BYTE1     0xD00
 254 #define  MCI_REGISTER_MODE              0xE00
 255
 256 /* Read and write modes */
 257 #define  MCI_MODE_REGISTER_READ         0
 258 #define  MCI_MODE_REGISTER_WRITE        1
 259 #define  MCI_MODE_MEMORY_READ           0
 260 #define  MCI_MODE_MEMORY_WRITE          0x40
 261
 262 /*** Bit definitions for MC417_CTL register ****
 263  bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
 264 +--------+-------------+--------+--------------+------------+
 265 |Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
 266 +--------+-------------+--------+--------------+------------+
 267 ***/
 268 #define MC417_SPD_CTL(x)        (((x) << 4) & 0x00000030)
 269 #define MC417_GPIO_SEL(x)       (((x) << 1) & 0x00000006)
 270 #define MC417_UART_GPIO_EN      0x00000001
 271
 272 /* Values for speed control */
 273 #define MC417_SPD_CTL_SLOW      0x1
 274 #define MC417_SPD_CTL_MEDIUM    0x0
 275 #define MC417_SPD_CTL_FAST      0x3     /* b'1x, but we use b'11 */
 276
 277 /* Values for GPIO select */
 278 #define MC417_GPIO_SEL_GPIO3    0x3
 279 #define MC417_GPIO_SEL_GPIO2    0x2
 280 #define MC417_GPIO_SEL_GPIO1    0x1
 281 #define MC417_GPIO_SEL_GPIO0    0x0
 282
 283 void cx23885_mc417_init(struct cx23885_dev *dev)
 284 {
 285         u32 regval;
 286
 287         dprintk(2, "%s()\n", __func__);
 288
 289         /* Configure MC417_CTL register to defaults. */
 290         regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST)      |
 291                  MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3)   |
 292                  MC417_UART_GPIO_EN;
 293         cx_write(MC417_CTL, regval);
 294
 295         /* Configure MC417_OEN to defaults. */
 296         regval = MC417_MIRDY;
 297         cx_write(MC417_OEN, regval);
 298
 299         /* Configure MC417_RWD to defaults. */
 300         regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
 301         cx_write(MC417_RWD, regval);
 302 }
 303
 304 static int mc417_wait_ready(struct cx23885_dev *dev)
 305 {
 306         u32 mi_ready;
 307         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 308
 309         for (;;) {
 310                 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
 311                 if (mi_ready != 0)
 312                         return 0;
 313                 if (time_after(jiffies, timeout))
 314                         return -1;
 315                 udelay(1);
 316         }
 317 }
 318
 319 static int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
 320 {
 321         u32 regval;
 322
 323         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 324          * which is an input.
 325          */
 326         cx_write(MC417_OEN, MC417_MIRDY);
 327
 328         /* Write data byte 0 */
 329         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
 330                 (value & 0x000000FF);
 331         cx_write(MC417_RWD, regval);
 332
 333         /* Transition CS/WR to effect write transaction across bus. */
 334         regval |= MC417_MICS | MC417_MIWR;
 335         cx_write(MC417_RWD, regval);
 336
 337         /* Write data byte 1 */
 338         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
 339                 ((value >> 8) & 0x000000FF);
 340         cx_write(MC417_RWD, regval);
 341         regval |= MC417_MICS | MC417_MIWR;
 342         cx_write(MC417_RWD, regval);
 343
 344         /* Write data byte 2 */
 345         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
 346                 ((value >> 16) & 0x000000FF);
 347         cx_write(MC417_RWD, regval);
 348         regval |= MC417_MICS | MC417_MIWR;
 349         cx_write(MC417_RWD, regval);
 350
 351         /* Write data byte 3 */
 352         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
 353                 ((value >> 24) & 0x000000FF);
 354         cx_write(MC417_RWD, regval);
 355         regval |= MC417_MICS | MC417_MIWR;
 356         cx_write(MC417_RWD, regval);
 357
 358         /* Write address byte 0 */
 359         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
 360                 (address & 0xFF);
 361         cx_write(MC417_RWD, regval);
 362         regval |= MC417_MICS | MC417_MIWR;
 363         cx_write(MC417_RWD, regval);
 364
 365         /* Write address byte 1 */
 366         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
 367                 ((address >> 8) & 0xFF);
 368         cx_write(MC417_RWD, regval);
 369         regval |= MC417_MICS | MC417_MIWR;
 370         cx_write(MC417_RWD, regval);
 371
 372         /* Indicate that this is a write. */
 373         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
 374                 MCI_MODE_REGISTER_WRITE;
 375         cx_write(MC417_RWD, regval);
 376         regval |= MC417_MICS | MC417_MIWR;
 377         cx_write(MC417_RWD, regval);
 378
 379         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 380         return mc417_wait_ready(dev);
 381 }
 382
 383 static int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
 384 {
 385         int retval;
 386         u32 regval;
 387         u32 tempval;
 388         u32 dataval;
 389
 390         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 391          * which is an input.
 392          */
 393         cx_write(MC417_OEN, MC417_MIRDY);
 394
 395         /* Write address byte 0 */
 396         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
 397                 ((address & 0x00FF));
 398         cx_write(MC417_RWD, regval);
 399         regval |= MC417_MICS | MC417_MIWR;
 400         cx_write(MC417_RWD, regval);
 401
 402         /* Write address byte 1 */
 403         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
 404                 ((address >> 8) & 0xFF);
 405         cx_write(MC417_RWD, regval);
 406         regval |= MC417_MICS | MC417_MIWR;
 407         cx_write(MC417_RWD, regval);
 408
 409         /* Indicate that this is a register read. */
 410         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
 411                 MCI_MODE_REGISTER_READ;
 412         cx_write(MC417_RWD, regval);
 413         regval |= MC417_MICS | MC417_MIWR;
 414         cx_write(MC417_RWD, regval);
 415
 416         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 417         retval = mc417_wait_ready(dev);
 418
 419         /* switch the DAT0-7 GPIO[10:3] to input mode */
 420         cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
 421
 422         /* Read data byte 0 */
 423         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
 424         cx_write(MC417_RWD, regval);
 425
 426         /* Transition RD to effect read transaction across bus.
 427          * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
 428          * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
 429          * input only...)
 430          */
 431         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
 432         cx_write(MC417_RWD, regval);
 433
 434         /* Collect byte */
 435         tempval = cx_read(MC417_RWD);
 436         dataval = tempval & 0x000000FF;
 437
 438         /* Bring CS and RD high. */
 439         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 440         cx_write(MC417_RWD, regval);
 441
 442         /* Read data byte 1 */
 443         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
 444         cx_write(MC417_RWD, regval);
 445         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
 446         cx_write(MC417_RWD, regval);
 447         tempval = cx_read(MC417_RWD);
 448         dataval |= ((tempval & 0x000000FF) << 8);
 449         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 450         cx_write(MC417_RWD, regval);
 451
 452         /* Read data byte 2 */
 453         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
 454         cx_write(MC417_RWD, regval);
 455         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
 456         cx_write(MC417_RWD, regval);
 457         tempval = cx_read(MC417_RWD);
 458         dataval |= ((tempval & 0x000000FF) << 16);
 459         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 460         cx_write(MC417_RWD, regval);
 461
 462         /* Read data byte 3 */
 463         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
 464         cx_write(MC417_RWD, regval);
 465         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
 466         cx_write(MC417_RWD, regval);
 467         tempval = cx_read(MC417_RWD);
 468         dataval |= ((tempval & 0x000000FF) << 24);
 469         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 470         cx_write(MC417_RWD, regval);
 471
 472         *value  = dataval;
 473
 474         return retval;
 475 }
 476
 477 int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
 478 {
 479         u32 regval;
 480
 481         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 482          * which is an input.
 483          */
 484         cx_write(MC417_OEN, MC417_MIRDY);
 485
 486         /* Write data byte 0 */
 487         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
 488                 (value & 0x000000FF);
 489         cx_write(MC417_RWD, regval);
 490
 491         /* Transition CS/WR to effect write transaction across bus. */
 492         regval |= MC417_MICS | MC417_MIWR;
 493         cx_write(MC417_RWD, regval);
 494
 495         /* Write data byte 1 */
 496         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
 497                 ((value >> 8) & 0x000000FF);
 498         cx_write(MC417_RWD, regval);
 499         regval |= MC417_MICS | MC417_MIWR;
 500         cx_write(MC417_RWD, regval);
 501
 502         /* Write data byte 2 */
 503         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
 504                 ((value >> 16) & 0x000000FF);
 505         cx_write(MC417_RWD, regval);
 506         regval |= MC417_MICS | MC417_MIWR;
 507         cx_write(MC417_RWD, regval);
 508
 509         /* Write data byte 3 */
 510         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
 511                 ((value >> 24) & 0x000000FF);
 512         cx_write(MC417_RWD, regval);
 513         regval |= MC417_MICS | MC417_MIWR;
 514         cx_write(MC417_RWD, regval);
 515
 516         /* Write address byte 2 */
 517         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
 518                 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
 519         cx_write(MC417_RWD, regval);
 520         regval |= MC417_MICS | MC417_MIWR;
 521         cx_write(MC417_RWD, regval);
 522
 523         /* Write address byte 1 */
 524         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
 525                 ((address >> 8) & 0xFF);
 526         cx_write(MC417_RWD, regval);
 527         regval |= MC417_MICS | MC417_MIWR;
 528         cx_write(MC417_RWD, regval);
 529
 530         /* Write address byte 0 */
 531         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
 532                 (address & 0xFF);
 533         cx_write(MC417_RWD, regval);
 534         regval |= MC417_MICS | MC417_MIWR;
 535         cx_write(MC417_RWD, regval);
 536
 537         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 538         return mc417_wait_ready(dev);
 539 }
 540
 541 int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
 542 {
 543         int retval;
 544         u32 regval;
 545         u32 tempval;
 546         u32 dataval;
 547
 548         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 549          * which is an input.
 550          */
 551         cx_write(MC417_OEN, MC417_MIRDY);
 552
 553         /* Write address byte 2 */
 554         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
 555                 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
 556         cx_write(MC417_RWD, regval);
 557         regval |= MC417_MICS | MC417_MIWR;
 558         cx_write(MC417_RWD, regval);
 559
 560         /* Write address byte 1 */
 561         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
 562                 ((address >> 8) & 0xFF);
 563         cx_write(MC417_RWD, regval);
 564         regval |= MC417_MICS | MC417_MIWR;
 565         cx_write(MC417_RWD, regval);
 566
 567         /* Write address byte 0 */
 568         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
 569                 (address & 0xFF);
 570         cx_write(MC417_RWD, regval);
 571         regval |= MC417_MICS | MC417_MIWR;
 572         cx_write(MC417_RWD, regval);
 573
 574         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 575         retval = mc417_wait_ready(dev);
 576
 577         /* switch the DAT0-7 GPIO[10:3] to input mode */
 578         cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
 579
 580         /* Read data byte 3 */
 581         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
 582         cx_write(MC417_RWD, regval);
 583
 584         /* Transition RD to effect read transaction across bus. */
 585         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
 586         cx_write(MC417_RWD, regval);
 587
 588         /* Collect byte */
 589         tempval = cx_read(MC417_RWD);
 590         dataval = ((tempval & 0x000000FF) << 24);
 591
 592         /* Bring CS and RD high. */
 593         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 594         cx_write(MC417_RWD, regval);
 595
 596         /* Read data byte 2 */
 597         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
 598         cx_write(MC417_RWD, regval);
 599         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
 600         cx_write(MC417_RWD, regval);
 601         tempval = cx_read(MC417_RWD);
 602         dataval |= ((tempval & 0x000000FF) << 16);
 603         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 604         cx_write(MC417_RWD, regval);
 605
 606         /* Read data byte 1 */
 607         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
 608         cx_write(MC417_RWD, regval);
 609         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
 610         cx_write(MC417_RWD, regval);
 611         tempval = cx_read(MC417_RWD);
 612         dataval |= ((tempval & 0x000000FF) << 8);
 613         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 614         cx_write(MC417_RWD, regval);
 615
 616         /* Read data byte 0 */
 617         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
 618         cx_write(MC417_RWD, regval);
 619         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
 620         cx_write(MC417_RWD, regval);
 621         tempval = cx_read(MC417_RWD);
 622         dataval |= (tempval & 0x000000FF);
 623         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 624         cx_write(MC417_RWD, regval);
 625
 626         *value  = dataval;
 627
 628         return retval;
 629 }
 630
 631 /* ------------------------------------------------------------------ */
 632
 633 /* MPEG encoder API */
 634 static char *cmd_to_str(int cmd)
 635 {
 636         switch (cmd) {
 637         case CX2341X_ENC_PING_FW:
 638                 return  "PING_FW";
 639         case CX2341X_ENC_START_CAPTURE:
 640                 return  "START_CAPTURE";
 641         case CX2341X_ENC_STOP_CAPTURE:
 642                 return  "STOP_CAPTURE";
 643         case CX2341X_ENC_SET_AUDIO_ID:
 644                 return  "SET_AUDIO_ID";
 645         case CX2341X_ENC_SET_VIDEO_ID:
 646                 return  "SET_VIDEO_ID";
 647         case CX2341X_ENC_SET_PCR_ID:
 648                 return  "SET_PCR_PID";
 649         case CX2341X_ENC_SET_FRAME_RATE:
 650                 return  "SET_FRAME_RATE";
 651         case CX2341X_ENC_SET_FRAME_SIZE:
 652                 return  "SET_FRAME_SIZE";
 653         case CX2341X_ENC_SET_BIT_RATE:
 654                 return  "SET_BIT_RATE";
 655         case CX2341X_ENC_SET_GOP_PROPERTIES:
 656                 return  "SET_GOP_PROPERTIES";
 657         case CX2341X_ENC_SET_ASPECT_RATIO:
 658                 return  "SET_ASPECT_RATIO";
 659         case CX2341X_ENC_SET_DNR_FILTER_MODE:
 660                 return  "SET_DNR_FILTER_PROPS";
 661         case CX2341X_ENC_SET_DNR_FILTER_PROPS:
 662                 return  "SET_DNR_FILTER_PROPS";
 663         case CX2341X_ENC_SET_CORING_LEVELS:
 664                 return  "SET_CORING_LEVELS";
 665         case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
 666                 return  "SET_SPATIAL_FILTER_TYPE";
 667         case CX2341X_ENC_SET_VBI_LINE:
 668                 return  "SET_VBI_LINE";
 669         case CX2341X_ENC_SET_STREAM_TYPE:
 670                 return  "SET_STREAM_TYPE";
 671         case CX2341X_ENC_SET_OUTPUT_PORT:
 672                 return  "SET_OUTPUT_PORT";
 673         case CX2341X_ENC_SET_AUDIO_PROPERTIES:
 674                 return  "SET_AUDIO_PROPERTIES";
 675         case CX2341X_ENC_HALT_FW:
 676                 return  "HALT_FW";
 677         case CX2341X_ENC_GET_VERSION:
 678                 return  "GET_VERSION";
 679         case CX2341X_ENC_SET_GOP_CLOSURE:
 680                 return  "SET_GOP_CLOSURE";
 681         case CX2341X_ENC_GET_SEQ_END:
 682                 return  "GET_SEQ_END";
 683         case CX2341X_ENC_SET_PGM_INDEX_INFO:
 684                 return  "SET_PGM_INDEX_INFO";
 685         case CX2341X_ENC_SET_VBI_CONFIG:
 686                 return  "SET_VBI_CONFIG";
 687         case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
 688                 return  "SET_DMA_BLOCK_SIZE";
 689         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
 690                 return  "GET_PREV_DMA_INFO_MB_10";
 691         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
 692                 return  "GET_PREV_DMA_INFO_MB_9";
 693         case CX2341X_ENC_SCHED_DMA_TO_HOST:
 694                 return  "SCHED_DMA_TO_HOST";
 695         case CX2341X_ENC_INITIALIZE_INPUT:
 696                 return  "INITIALIZE_INPUT";
 697         case CX2341X_ENC_SET_FRAME_DROP_RATE:
 698                 return  "SET_FRAME_DROP_RATE";
 699         case CX2341X_ENC_PAUSE_ENCODER:
 700                 return  "PAUSE_ENCODER";
 701         case CX2341X_ENC_REFRESH_INPUT:
 702                 return  "REFRESH_INPUT";
 703         case CX2341X_ENC_SET_COPYRIGHT:
 704                 return  "SET_COPYRIGHT";
 705         case CX2341X_ENC_SET_EVENT_NOTIFICATION:
 706                 return  "SET_EVENT_NOTIFICATION";
 707         case CX2341X_ENC_SET_NUM_VSYNC_LINES:
 708                 return  "SET_NUM_VSYNC_LINES";
 709         case CX2341X_ENC_SET_PLACEHOLDER:
 710                 return  "SET_PLACEHOLDER";
 711         case CX2341X_ENC_MUTE_VIDEO:
 712                 return  "MUTE_VIDEO";
 713         case CX2341X_ENC_MUTE_AUDIO:
 714                 return  "MUTE_AUDIO";
 715         case CX2341X_ENC_MISC:
 716                 return  "MISC";
 717         default:
 718                 return "UNKNOWN";
 719         }
 720 }
 721
 722 static int cx23885_mbox_func(void *priv,
 723                              u32 command,
 724                              int in,
 725                              int out,
 726                              u32 data[CX2341X_MBOX_MAX_DATA])
 727 {
 728         struct cx23885_dev *dev = priv;
 729         unsigned long timeout;
 730         u32 value, flag, retval = 0;
 731         int i;
 732
 733         dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
 734                 cmd_to_str(command));
 735
 736         /* this may not be 100% safe if we can't read any memory location
 737            without side effects */
 738         mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
 739         if (value != 0x12345678) {
 740                 printk(KERN_ERR
 741                         "Firmware and/or mailbox pointer not initialized "
 742                         "or corrupted, signature = 0x%x, cmd = %s\n", value,
 743                         cmd_to_str(command));
 744                 return -1;
 745         }
 746
 747         /* This read looks at 32 bits, but flag is only 8 bits.
 748          * Seems we also bail if CMD or TIMEOUT bytes are set???
 749          */
 750         mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 751         if (flag) {
 752                 printk(KERN_ERR "ERROR: Mailbox appears to be in use "
 753                         "(%x), cmd = %s\n", flag, cmd_to_str(command));
 754                 return -1;
 755         }
 756
 757         flag |= 1; /* tell 'em we're working on it */
 758         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 759
 760         /* write command + args + fill remaining with zeros */
 761         /* command code */
 762         mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
 763         mc417_memory_write(dev, dev->cx23417_mailbox + 3,
 764                 IVTV_API_STD_TIMEOUT); /* timeout */
 765         for (i = 0; i < in; i++) {
 766                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
 767                 dprintk(3, "API Input %d = %d\n", i, data[i]);
 768         }
 769         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 770                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
 771
 772         flag |= 3; /* tell 'em we're done writing */
 773         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 774
 775         /* wait for firmware to handle the API command */
 776         timeout = jiffies + msecs_to_jiffies(10);
 777         for (;;) {
 778                 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 779                 if (0 != (flag & 4))
 780                         break;
 781                 if (time_after(jiffies, timeout)) {
 782                         printk(KERN_ERR "ERROR: API Mailbox timeout\n");
 783                         return -1;
 784                 }
 785                 udelay(10);
 786         }
 787
 788         /* read output values */
 789         for (i = 0; i < out; i++) {
 790                 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
 791                 dprintk(3, "API Output %d = %d\n", i, data[i]);
 792         }
 793
 794         mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
 795         dprintk(3, "API result = %d\n", retval);
 796
 797         flag = 0;
 798         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 799
 800         return retval;
 801 }
 802
 803 /* We don't need to call the API often, so using just one
 804  * mailbox will probably suffice
 805  */
 806 static int cx23885_api_cmd(struct cx23885_dev *dev,
 807                            u32 command,
 808                            u32 inputcnt,
 809                            u32 outputcnt,
 810                            ...)
 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 = cx23885_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 static int cx23885_find_mailbox(struct cx23885_dev *dev)
 833 {
 834         u32 signature[4] = {
 835                 0x12345678, 0x34567812, 0x56781234, 0x78123456
 836         };
 837         int signaturecnt = 0;
 838         u32 value;
 839         int i;
 840
 841         dprintk(2, "%s()\n", __func__);
 842
 843         for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
 844                 mc417_memory_read(dev, i, &value);
 845                 if (value == signature[signaturecnt])
 846                         signaturecnt++;
 847                 else
 848                         signaturecnt = 0;
 849                 if (4 == signaturecnt) {
 850                         dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
 851                         return i+1;
 852                 }
 853         }
 854         printk(KERN_ERR "Mailbox signature values not found!\n");
 855         return -1;
 856 }
 857
 858 static int cx23885_load_firmware(struct cx23885_dev *dev)
 859 {
 860         static const unsigned char magic[8] = {
 861                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 862         };
 863         const struct firmware *firmware;
 864         int i, retval = 0;
 865         u32 value = 0;
 866         u32 gpio_output = 0;
 867         u32 checksum = 0;
 868         u32 *dataptr;
 869
 870         dprintk(2, "%s()\n", __func__);
 871
 872         /* Save GPIO settings before reset of APU */
 873         retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
 874         retval |= mc417_memory_read(dev, 0x900C, &value);
 875
 876         retval  = mc417_register_write(dev,
 877                 IVTV_REG_VPU, 0xFFFFFFED);
 878         retval |= mc417_register_write(dev,
 879                 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 880         retval |= mc417_register_write(dev,
 881                 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
 882         retval |= mc417_register_write(dev,
 883                 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 884         retval |= mc417_register_write(dev,
 885                 IVTV_REG_APU, 0);
 886
 887         if (retval != 0) {
 888                 printk(KERN_ERR "%s: Error with mc417_register_write\n",
 889                         __func__);
 890                 return -1;
 891         }
 892
 893         retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
 894                                   &dev->pci->dev);
 895
 896         if (retval != 0) {
 897                 printk(KERN_ERR
 898                         "ERROR: Hotplug firmware request failed (%s).\n",
 899                         CX2341X_FIRM_ENC_FILENAME);
 900                 printk(KERN_ERR "Please fix your hotplug setup, the board will "
 901                         "not work without firmware loaded!\n");
 902                 return -1;
 903         }
 904
 905         if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
 906                 printk(KERN_ERR "ERROR: Firmware size mismatch "
 907                         "(have %zd, expected %d)\n",
 908                         firmware->size, CX23885_FIRM_IMAGE_SIZE);
 909                 release_firmware(firmware);
 910                 return -1;
 911         }
 912
 913         if (0 != memcmp(firmware->data, magic, 8)) {
 914                 printk(KERN_ERR
 915                         "ERROR: Firmware magic mismatch, wrong file?\n");
 916                 release_firmware(firmware);
 917                 return -1;
 918         }
 919
 920         /* transfer to the chip */
 921         dprintk(2, "Loading firmware ...\n");
 922         dataptr = (u32 *)firmware->data;
 923         for (i = 0; i < (firmware->size >> 2); i++) {
 924                 value = *dataptr;
 925                 checksum += ~value;
 926                 if (mc417_memory_write(dev, i, value) != 0) {
 927                         printk(KERN_ERR "ERROR: Loading firmware failed!\n");
 928                         release_firmware(firmware);
 929                         return -1;
 930                 }
 931                 dataptr++;
 932         }
 933
 934         /* read back to verify with the checksum */
 935         dprintk(1, "Verifying firmware ...\n");
 936         for (i--; i >= 0; i--) {
 937                 if (mc417_memory_read(dev, i, &value) != 0) {
 938                         printk(KERN_ERR "ERROR: Reading firmware failed!\n");
 939                         release_firmware(firmware);
 940                         return -1;
 941                 }
 942                 checksum -= ~value;
 943         }
 944         if (checksum) {
 945                 printk(KERN_ERR
 946                         "ERROR: Firmware load failed (checksum mismatch).\n");
 947                 release_firmware(firmware);
 948                 return -1;
 949         }
 950         release_firmware(firmware);
 951         dprintk(1, "Firmware upload successful.\n");
 952
 953         retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
 954                 IVTV_CMD_HW_BLOCKS_RST);
 955
 956         /* Restore GPIO settings, make sure EIO14 is enabled as an output. */
 957         dprintk(2, "%s: GPIO output EIO 0-15 was = 0x%x\n",
 958                 __func__, gpio_output);
 959         /* Power-up seems to have GPIOs AFU. This was causing digital side
 960          * to fail at power-up. Seems GPIOs should be set to 0x10ff0411 at
 961          * power-up.
 962          * gpio_output |= (1<<14);
 963          */
 964         /* Note: GPIO14 is specific to the HVR1800 here */
 965         gpio_output = 0x10ff0411 | (1<<14);
 966         retval |= mc417_register_write(dev, 0x9020, gpio_output | (1<<14));
 967         dprintk(2, "%s: GPIO output EIO 0-15 now = 0x%x\n",
 968                 __func__, gpio_output);
 969
 970         dprintk(1, "%s: GPIO value  EIO 0-15 was = 0x%x\n",
 971                 __func__, value);
 972         value |= (1<<14);
 973         dprintk(1, "%s: GPIO value  EIO 0-15 now = 0x%x\n",
 974                 __func__, value);
 975         retval |= mc417_register_write(dev, 0x900C, value);
 976
 977         retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
 978         retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
 979
 980         if (retval < 0)
 981                 printk(KERN_ERR "%s: Error with mc417_register_write\n",
 982                         __func__);
 983         return 0;
 984 }
 985
 986 void cx23885_417_check_encoder(struct cx23885_dev *dev)
 987 {
 988         u32 status, seq;
 989
 990         status = seq = 0;
 991         cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
 992         dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
 993 }
 994
 995 static void cx23885_codec_settings(struct cx23885_dev *dev)
 996 {
 997         dprintk(1, "%s()\n", __func__);
 998
 999         /* assign frame size */
1000         cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1001                                 dev->ts1.height, dev->ts1.width);
1002
1003         dev->mpeg_params.width = dev->ts1.width;
1004         dev->mpeg_params.height = dev->ts1.height;
1005         dev->mpeg_params.is_50hz =
1006                 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1007
1008         cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params);
1009
1010         cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1011         cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1012 }
1013
1014 static int cx23885_initialize_codec(struct cx23885_dev *dev)
1015 {
1016         int version;
1017         int retval;
1018         u32 i, data[7];
1019
1020         dprintk(1, "%s()\n", __func__);
1021
1022         retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1023         if (retval < 0) {
1024                 dprintk(2, "%s() PING OK\n", __func__);
1025                 retval = cx23885_load_firmware(dev);
1026                 if (retval < 0) {
1027                         printk(KERN_ERR "%s() f/w load failed\n", __func__);
1028                         return retval;
1029                 }
1030                 dev->cx23417_mailbox = cx23885_find_mailbox(dev);
1031                 if (dev->cx23417_mailbox < 0) {
1032                         printk(KERN_ERR "%s() mailbox < 0, error\n",
1033                                 __func__);
1034                         return -1;
1035                 }
1036                 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1037                 if (retval < 0) {
1038                         printk(KERN_ERR
1039                                 "ERROR: cx23417 firmware ping failed!\n");
1040                         return -1;
1041                 }
1042                 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1043                         &version);
1044                 if (retval < 0) {
1045                         printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1046                                 "version failed!\n");
1047                         return -1;
1048                 }
1049                 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1050                 msleep(200);
1051         }
1052
1053         cx23885_codec_settings(dev);
1054         msleep(60);
1055
1056         cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1057                 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1058         cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1059                 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1060                 0, 0);
1061
1062         /* Setup to capture VBI */
1063         data[0] = 0x0001BD00;
1064         data[1] = 1;          /* frames per interrupt */
1065         data[2] = 4;          /* total bufs */
1066         data[3] = 0x91559155; /* start codes */
1067         data[4] = 0x206080C0; /* stop codes */
1068         data[5] = 6;          /* lines */
1069         data[6] = 64;         /* BPL */
1070
1071         cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1072                 data[2], data[3], data[4], data[5], data[6]);
1073
1074         for (i = 2; i <= 24; i++) {
1075                 int valid;
1076
1077                 valid = ((i >= 19) && (i <= 21));
1078                 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1079                                 valid, 0 , 0, 0);
1080                 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1081                                 i | 0x80000000, valid, 0, 0, 0);
1082         }
1083
1084         cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1085         msleep(60);
1086
1087         /* initialize the video input */
1088         cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1089         msleep(60);
1090
1091         /* Enable VIP style pixel invalidation so we work with scaled mode */
1092         mc417_memory_write(dev, 2120, 0x00000080);
1093
1094         /* start capturing to the host interface */
1095         cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1096                 CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1097         msleep(10);
1098
1099         return 0;
1100 }
1101
1102 /* ------------------------------------------------------------------ */
1103
1104 static int bb_buf_setup(struct videobuf_queue *q,
1105         unsigned int *count, unsigned int *size)
1106 {
1107         struct cx23885_fh *fh = q->priv_data;
1108
1109         fh->dev->ts1.ts_packet_size  = mpeglinesize;
1110         fh->dev->ts1.ts_packet_count = mpeglines;
1111
1112         *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1113         *count = mpegbufs;
1114
1115         return 0;
1116 }
1117
1118 static int bb_buf_prepare(struct videobuf_queue *q,
1119         struct videobuf_buffer *vb, enum v4l2_field field)
1120 {
1121         struct cx23885_fh *fh = q->priv_data;
1122         return cx23885_buf_prepare(q, &fh->dev->ts1,
1123                 (struct cx23885_buffer *)vb,
1124                 field);
1125 }
1126
1127 static void bb_buf_queue(struct videobuf_queue *q,
1128         struct videobuf_buffer *vb)
1129 {
1130         struct cx23885_fh *fh = q->priv_data;
1131         cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb);
1132 }
1133
1134 static void bb_buf_release(struct videobuf_queue *q,
1135         struct videobuf_buffer *vb)
1136 {
1137         cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
1138 }
1139
1140 static struct videobuf_queue_ops cx23885_qops = {
1141         .buf_setup    = bb_buf_setup,
1142         .buf_prepare  = bb_buf_prepare,
1143         .buf_queue    = bb_buf_queue,
1144         .buf_release  = bb_buf_release,
1145 };
1146
1147 /* ------------------------------------------------------------------ */
1148
1149 static const u32 *ctrl_classes[] = {
1150         cx2341x_mpeg_ctrls,
1151         NULL
1152 };
1153
1154 static int cx23885_queryctrl(struct cx23885_dev *dev,
1155         struct v4l2_queryctrl *qctrl)
1156 {
1157         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1158         if (qctrl->id == 0)
1159                 return -EINVAL;
1160
1161         /* MPEG V4L2 controls */
1162         if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
1163                 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
1164
1165         return 0;
1166 }
1167
1168 static int cx23885_querymenu(struct cx23885_dev *dev,
1169         struct v4l2_querymenu *qmenu)
1170 {
1171         struct v4l2_queryctrl qctrl;
1172
1173         qctrl.id = qmenu->id;
1174         cx23885_queryctrl(dev, &qctrl);
1175         return v4l2_ctrl_query_menu(qmenu, &qctrl,
1176                 cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
1177 }
1178
1179 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
1180 {
1181         struct cx23885_fh  *fh  = file->private_data;
1182         struct cx23885_dev *dev = fh->dev;
1183         unsigned int i;
1184
1185         for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1186                 if (*id & cx23885_tvnorms[i].id)
1187                         break;
1188         if (i == ARRAY_SIZE(cx23885_tvnorms))
1189                 return -EINVAL;
1190         dev->encodernorm = cx23885_tvnorms[i];
1191         return 0;
1192 }
1193
1194 static int vidioc_enum_input(struct file *file, void *priv,
1195                                 struct v4l2_input *i)
1196 {
1197         struct cx23885_fh  *fh  = file->private_data;
1198         struct cx23885_dev *dev = fh->dev;
1199         struct cx23885_input *input;
1200         unsigned int n;
1201
1202         n = i->index;
1203
1204         if (n >= 4)
1205                 return -EINVAL;
1206
1207         input = &cx23885_boards[dev->board].input[n];
1208
1209         if (input->type == 0)
1210                 return -EINVAL;
1211
1212         memset(i, 0, sizeof(*i));
1213         i->index = n;
1214
1215         /* FIXME
1216          * strcpy(i->name, input->name); */
1217         strcpy(i->name, "unset");
1218
1219         if (input->type == CX23885_VMUX_TELEVISION ||
1220             input->type == CX23885_VMUX_CABLE)
1221                 i->type = V4L2_INPUT_TYPE_TUNER;
1222         else
1223                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1224
1225         for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++)
1226                 i->std |= cx23885_tvnorms[n].id;
1227         return 0;
1228 }
1229
1230 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1231 {
1232         struct cx23885_fh  *fh  = file->private_data;
1233         struct cx23885_dev *dev = fh->dev;
1234
1235         *i = dev->input;
1236         return 0;
1237 }
1238
1239 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1240 {
1241         if (i >= 4)
1242                 return -EINVAL;
1243
1244         return 0;
1245 }
1246
1247 static int vidioc_g_tuner(struct file *file, void *priv,
1248                                 struct v4l2_tuner *t)
1249 {
1250         struct cx23885_fh  *fh  = file->private_data;
1251         struct cx23885_dev *dev = fh->dev;
1252
1253         if (UNSET == dev->tuner_type)
1254                 return -EINVAL;
1255         if (0 != t->index)
1256                 return -EINVAL;
1257         memset(t, 0, sizeof(*t));
1258         strcpy(t->name, "Television");
1259         cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_TUNER, t);
1260         cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t);
1261
1262         dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1263
1264         return 0;
1265 }
1266
1267 static int vidioc_s_tuner(struct file *file, void *priv,
1268                                 struct v4l2_tuner *t)
1269 {
1270         struct cx23885_fh  *fh  = file->private_data;
1271         struct cx23885_dev *dev = fh->dev;
1272
1273         if (UNSET == dev->tuner_type)
1274                 return -EINVAL;
1275
1276         /* Update the A/V core */
1277         cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_TUNER, t);
1278
1279         return 0;
1280 }
1281
1282 static int vidioc_g_frequency(struct file *file, void *priv,
1283                                 struct v4l2_frequency *f)
1284 {
1285         struct cx23885_fh  *fh  = file->private_data;
1286         struct cx23885_dev *dev = fh->dev;
1287
1288         memset(f, 0, sizeof(*f));
1289         if (UNSET == dev->tuner_type)
1290                 return -EINVAL;
1291         f->type = V4L2_TUNER_ANALOG_TV;
1292         f->frequency = dev->freq;
1293
1294         /* Assumption that tuner is always on bus 1 */
1295         cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f);
1296
1297         return 0;
1298 }
1299
1300 static int vidioc_s_frequency(struct file *file, void *priv,
1301                                 struct v4l2_frequency *f)
1302 {
1303         struct cx23885_fh  *fh  = file->private_data;
1304         struct cx23885_dev *dev = fh->dev;
1305
1306         cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1307                 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1308                 CX23885_RAW_BITS_NONE);
1309
1310         dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n",
1311                 dev->tuner_type);
1312         dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n",
1313                 f->tuner, f->type);
1314         if (UNSET == dev->tuner_type)
1315                 return -EINVAL;
1316         if (f->tuner != 0)
1317                 return -EINVAL;
1318         if (f->type != V4L2_TUNER_ANALOG_TV)
1319                 return -EINVAL;
1320         dev->freq = f->frequency;
1321
1322         /* Assumption that tuner is always on bus 1 */
1323         cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f);
1324
1325         cx23885_initialize_codec(dev);
1326
1327         return 0;
1328 }
1329
1330 static int vidioc_s_ctrl(struct file *file, void *priv,
1331                                 struct v4l2_control *ctl)
1332 {
1333         struct cx23885_fh  *fh  = file->private_data;
1334         struct cx23885_dev *dev = fh->dev;
1335
1336         /* Update the A/V core */
1337         cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_CTRL, ctl);
1338         return 0;
1339 }
1340
1341 static int vidioc_querycap(struct file *file, void  *priv,
1342                                 struct v4l2_capability *cap)
1343 {
1344         struct cx23885_fh  *fh  = file->private_data;
1345         struct cx23885_dev *dev = fh->dev;
1346         struct cx23885_tsport  *tsport = &dev->ts1;
1347
1348         memset(cap, 0, sizeof(*cap));
1349         strcpy(cap->driver, dev->name);
1350         strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
1351                 sizeof(cap->card));
1352         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1353         cap->version = CX23885_VERSION_CODE;
1354         cap->capabilities =
1355                 V4L2_CAP_VIDEO_CAPTURE |
1356                 V4L2_CAP_READWRITE     |
1357                 V4L2_CAP_STREAMING     |
1358                 0;
1359         if (UNSET != dev->tuner_type)
1360                 cap->capabilities |= V4L2_CAP_TUNER;
1361
1362         return 0;
1363 }
1364
1365 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1366                                         struct v4l2_fmtdesc *f)
1367 {
1368         int index;
1369
1370         index = f->index;
1371         if (index != 0)
1372                 return -EINVAL;
1373
1374         memset(f, 0, sizeof(*f));
1375         f->index = index;
1376         strlcpy(f->description, "MPEG", sizeof(f->description));
1377         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1378         f->pixelformat = V4L2_PIX_FMT_MPEG;
1379
1380         return 0;
1381 }
1382
1383 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1384                                 struct v4l2_format *f)
1385 {
1386         struct cx23885_fh  *fh  = file->private_data;
1387         struct cx23885_dev *dev = fh->dev;
1388
1389         memset(f, 0, sizeof(*f));
1390         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1391         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1392         f->fmt.pix.bytesperline = 0;
1393         f->fmt.pix.sizeimage    =
1394                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1395         f->fmt.pix.colorspace   = 0;
1396         f->fmt.pix.width        = dev->ts1.width;
1397         f->fmt.pix.height       = dev->ts1.height;
1398         f->fmt.pix.field        = fh->mpegq.field;
1399         dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
1400                 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1401         return 0;
1402 }
1403
1404 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1405                                 struct v4l2_format *f)
1406 {
1407         struct cx23885_fh  *fh  = file->private_data;
1408         struct cx23885_dev *dev = fh->dev;
1409
1410         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1411         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1412         f->fmt.pix.bytesperline = 0;
1413         f->fmt.pix.sizeimage    =
1414                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1415         f->fmt.pix.sizeimage    =
1416         f->fmt.pix.colorspace   = 0;
1417         dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
1418                 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1419         return 0;
1420 }
1421
1422 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1423                                 struct v4l2_format *f)
1424 {
1425         struct cx23885_fh  *fh  = file->private_data;
1426         struct cx23885_dev *dev = fh->dev;
1427
1428         f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1429         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1430         f->fmt.pix.bytesperline = 0;
1431         f->fmt.pix.sizeimage    =
1432                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1433         f->fmt.pix.colorspace   = 0;
1434         dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1435                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1436         return 0;
1437 }
1438
1439 static int vidioc_reqbufs(struct file *file, void *priv,
1440                                 struct v4l2_requestbuffers *p)
1441 {
1442         struct cx23885_fh  *fh  = file->private_data;
1443
1444         return videobuf_reqbufs(&fh->mpegq, p);
1445 }
1446
1447 static int vidioc_querybuf(struct file *file, void *priv,
1448                                 struct v4l2_buffer *p)
1449 {
1450         struct cx23885_fh  *fh  = file->private_data;
1451
1452         return videobuf_querybuf(&fh->mpegq, p);
1453 }
1454
1455 static int vidioc_qbuf(struct file *file, void *priv,
1456                                 struct v4l2_buffer *p)
1457 {
1458         struct cx23885_fh  *fh  = file->private_data;
1459
1460         return videobuf_qbuf(&fh->mpegq, p);
1461 }
1462
1463 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1464 {
1465         struct cx23885_fh  *fh  = priv;
1466
1467         return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK);
1468 }
1469
1470
1471 static int vidioc_streamon(struct file *file, void *priv,
1472                                 enum v4l2_buf_type i)
1473 {
1474         struct cx23885_fh  *fh  = file->private_data;
1475
1476         return videobuf_streamon(&fh->mpegq);
1477 }
1478
1479 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1480 {
1481         struct cx23885_fh  *fh  = file->private_data;
1482
1483         return videobuf_streamoff(&fh->mpegq);
1484 }
1485
1486 static int vidioc_g_ext_ctrls(struct file *file, void *priv,
1487                                 struct v4l2_ext_controls *f)
1488 {
1489         struct cx23885_fh  *fh  = priv;
1490         struct cx23885_dev *dev = fh->dev;
1491
1492         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1493                 return -EINVAL;
1494         return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
1495 }
1496
1497 static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1498                                 struct v4l2_ext_controls *f)
1499 {
1500         struct cx23885_fh  *fh  = priv;
1501         struct cx23885_dev *dev = fh->dev;
1502         struct cx2341x_mpeg_params p;
1503         int err;
1504
1505         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1506                 return -EINVAL;
1507
1508         p = dev->mpeg_params;
1509         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
1510
1511         if (err == 0) {
1512                 err = cx2341x_update(dev, cx23885_mbox_func,
1513                         &dev->mpeg_params, &p);
1514                 dev->mpeg_params = p;
1515         }
1516         return err;
1517 }
1518
1519 static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1520                                 struct v4l2_ext_controls *f)
1521 {
1522         struct cx23885_fh  *fh  = priv;
1523         struct cx23885_dev *dev = fh->dev;
1524         struct cx2341x_mpeg_params p;
1525         int err;
1526
1527         if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1528                 return -EINVAL;
1529
1530         p = dev->mpeg_params;
1531         err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1532         return err;
1533 }
1534
1535 static int vidioc_log_status(struct file *file, void *priv)
1536 {
1537         struct cx23885_fh  *fh  = priv;
1538         struct cx23885_dev *dev = fh->dev;
1539         char name[32 + 2];
1540
1541         snprintf(name, sizeof(name), "%s/2", dev->name);
1542         printk(KERN_INFO
1543                 "%s/2: ============  START LOG STATUS  ============\n",
1544                dev->name);
1545         cx23885_call_i2c_clients(&dev->i2c_bus[0], VIDIOC_LOG_STATUS,
1546                 NULL);
1547         cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_LOG_STATUS,
1548                 NULL);
1549         cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_LOG_STATUS,
1550                 NULL);
1551         cx2341x_log_status(&dev->mpeg_params, name);
1552         printk(KERN_INFO
1553                 "%s/2: =============  END LOG STATUS  =============\n",
1554                dev->name);
1555         return 0;
1556 }
1557
1558 static int vidioc_querymenu(struct file *file, void *priv,
1559                                 struct v4l2_querymenu *a)
1560 {
1561         struct cx23885_fh  *fh  = priv;
1562         struct cx23885_dev *dev = fh->dev;
1563
1564         return cx23885_querymenu(dev, a);
1565 }
1566
1567 static int vidioc_queryctrl(struct file *file, void *priv,
1568                                 struct v4l2_queryctrl *c)
1569 {
1570         struct cx23885_fh  *fh  = priv;
1571         struct cx23885_dev *dev = fh->dev;
1572
1573         return cx23885_queryctrl(dev, c);
1574 }
1575
1576 static int mpeg_open(struct inode *inode, struct file *file)
1577 {
1578         int minor = iminor(inode);
1579         struct cx23885_dev *h, *dev = NULL;
1580         struct list_head *list;
1581         struct cx23885_fh *fh;
1582
1583         dprintk(2, "%s()\n", __func__);
1584
1585         lock_kernel();
1586         list_for_each(list, &cx23885_devlist) {
1587                 h = list_entry(list, struct cx23885_dev, devlist);
1588                 if (h->v4l_device->minor == minor) {
1589                         dev = h;
1590                         break;
1591                 }
1592         }
1593
1594         if (dev == NULL) {
1595                 unlock_kernel();
1596                 return -ENODEV;
1597         }
1598
1599         /* allocate + initialize per filehandle data */
1600         fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1601         if (NULL == fh) {
1602                 unlock_kernel();
1603                 return -ENOMEM;
1604         }
1605
1606         file->private_data = fh;
1607         fh->dev      = dev;
1608
1609         videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops,
1610                             &dev->pci->dev, &dev->ts1.slock,
1611                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1612                             V4L2_FIELD_INTERLACED,
1613                             sizeof(struct cx23885_buffer),
1614                             fh);
1615         unlock_kernel();
1616
1617         return 0;
1618 }
1619
1620 static int mpeg_release(struct inode *inode, struct file *file)
1621 {
1622         struct cx23885_fh  *fh  = file->private_data;
1623         struct cx23885_dev *dev = fh->dev;
1624
1625         dprintk(2, "%s()\n", __func__);
1626
1627         /* FIXME: Review this crap */
1628         /* Shut device down on last close */
1629         if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1630                 if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1631                         /* stop mpeg capture */
1632                         cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1633                                 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1634                                 CX23885_RAW_BITS_NONE);
1635
1636                         msleep(500);
1637                         cx23885_417_check_encoder(dev);
1638
1639                         cx23885_cancel_buffers(&fh->dev->ts1);
1640                 }
1641         }
1642
1643         if (fh->mpegq.streaming)
1644                 videobuf_streamoff(&fh->mpegq);
1645         if (fh->mpegq.reading)
1646                 videobuf_read_stop(&fh->mpegq);
1647
1648         videobuf_mmap_free(&fh->mpegq);
1649         file->private_data = NULL;
1650         kfree(fh);
1651
1652         return 0;
1653 }
1654
1655 static ssize_t mpeg_read(struct file *file, char __user *data,
1656         size_t count, loff_t *ppos)
1657 {
1658         struct cx23885_fh *fh = file->private_data;
1659         struct cx23885_dev *dev = fh->dev;
1660
1661         dprintk(2, "%s()\n", __func__);
1662
1663         /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1664         /* Start mpeg encoder on first read. */
1665         if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1666                 if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1667                         if (cx23885_initialize_codec(dev) < 0)
1668                                 return -EINVAL;
1669                 }
1670         }
1671
1672         return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1673                                     file->f_flags & O_NONBLOCK);
1674 }
1675
1676 static unsigned int mpeg_poll(struct file *file,
1677         struct poll_table_struct *wait)
1678 {
1679         struct cx23885_fh *fh = file->private_data;
1680         struct cx23885_dev *dev = fh->dev;
1681
1682         dprintk(2, "%s\n", __func__);
1683
1684         return videobuf_poll_stream(file, &fh->mpegq, wait);
1685 }
1686
1687 static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1688 {
1689         struct cx23885_fh *fh = file->private_data;
1690         struct cx23885_dev *dev = fh->dev;
1691
1692         dprintk(2, "%s()\n", __func__);
1693
1694         return videobuf_mmap_mapper(&fh->mpegq, vma);
1695 }
1696
1697 static struct file_operations mpeg_fops = {
1698         .owner         = THIS_MODULE,
1699         .open          = mpeg_open,
1700         .release       = mpeg_release,
1701         .read          = mpeg_read,
1702         .poll          = mpeg_poll,
1703         .mmap          = mpeg_mmap,
1704         .ioctl         = video_ioctl2,
1705         .llseek        = no_llseek,
1706 };
1707
1708 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1709         .vidioc_s_std            = vidioc_s_std,
1710         .vidioc_enum_input       = vidioc_enum_input,
1711         .vidioc_g_input          = vidioc_g_input,
1712         .vidioc_s_input          = vidioc_s_input,
1713         .vidioc_g_tuner          = vidioc_g_tuner,
1714         .vidioc_s_tuner          = vidioc_s_tuner,
1715         .vidioc_g_frequency      = vidioc_g_frequency,
1716         .vidioc_s_frequency      = vidioc_s_frequency,
1717         .vidioc_s_ctrl           = vidioc_s_ctrl,
1718         .vidioc_querycap         = vidioc_querycap,
1719         .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1720         .vidioc_g_fmt_vid_cap    = vidioc_g_fmt_vid_cap,
1721         .vidioc_try_fmt_vid_cap  = vidioc_try_fmt_vid_cap,
1722         .vidioc_s_fmt_vid_cap    = vidioc_s_fmt_vid_cap,
1723         .vidioc_reqbufs          = vidioc_reqbufs,
1724         .vidioc_querybuf         = vidioc_querybuf,
1725         .vidioc_qbuf             = vidioc_qbuf,
1726         .vidioc_dqbuf            = vidioc_dqbuf,
1727         .vidioc_streamon         = vidioc_streamon,
1728         .vidioc_streamoff        = vidioc_streamoff,
1729         .vidioc_g_ext_ctrls      = vidioc_g_ext_ctrls,
1730         .vidioc_s_ext_ctrls      = vidioc_s_ext_ctrls,
1731         .vidioc_try_ext_ctrls    = vidioc_try_ext_ctrls,
1732         .vidioc_log_status       = vidioc_log_status,
1733         .vidioc_querymenu        = vidioc_querymenu,
1734         .vidioc_queryctrl        = vidioc_queryctrl,
1735 };
1736
1737 static struct video_device cx23885_mpeg_template = {
1738         .name          = "cx23885",
1739         .fops          = &mpeg_fops,
1740         .ioctl_ops     = &mpeg_ioctl_ops,
1741         .minor         = -1,
1742 };
1743
1744 void cx23885_417_unregister(struct cx23885_dev *dev)
1745 {
1746         dprintk(1, "%s()\n", __func__);
1747
1748         if (dev->v4l_device) {
1749                 if (-1 != dev->v4l_device->minor)
1750                         video_unregister_device(dev->v4l_device);
1751                 else
1752                         video_device_release(dev->v4l_device);
1753                 dev->v4l_device = NULL;
1754         }
1755 }
1756
1757 static struct video_device *cx23885_video_dev_alloc(
1758         struct cx23885_tsport *tsport,
1759         struct pci_dev *pci,
1760         struct video_device *template,
1761         char *type)
1762 {
1763         struct video_device *vfd;
1764         struct cx23885_dev *dev = tsport->dev;
1765
1766         dprintk(1, "%s()\n", __func__);
1767
1768         vfd = video_device_alloc();
1769         if (NULL == vfd)
1770                 return NULL;
1771         *vfd = *template;
1772         vfd->minor   = -1;
1773         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1774                 type, cx23885_boards[tsport->dev->board].name);
1775         vfd->parent  = &pci->dev;
1776         vfd->release = video_device_release;
1777         return vfd;
1778 }
1779
1780 int cx23885_417_register(struct cx23885_dev *dev)
1781 {
1782         /* FIXME: Port1 hardcoded here */
1783         int err = -ENODEV;
1784         struct cx23885_tsport *tsport = &dev->ts1;
1785
1786         dprintk(1, "%s()\n", __func__);
1787
1788         if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1789                 return err;
1790
1791         /* Set default TV standard */
1792         dev->encodernorm = cx23885_tvnorms[0];
1793
1794         if (dev->encodernorm.id & V4L2_STD_525_60)
1795                 tsport->height = 480;
1796         else
1797                 tsport->height = 576;
1798
1799         tsport->width = 720;
1800         cx2341x_fill_defaults(&dev->mpeg_params);
1801
1802         dev->mpeg_params.port = CX2341X_PORT_SERIAL;
1803
1804         /* Allocate and initialize V4L video device */
1805         dev->v4l_device = cx23885_video_dev_alloc(tsport,
1806                 dev->pci, &cx23885_mpeg_template, "mpeg");
1807         err = video_register_device(dev->v4l_device,
1808                 VFL_TYPE_GRABBER, -1);
1809         if (err < 0) {
1810                 printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
1811                 return err;
1812         }
1813
1814         /* Initialize MC417 registers */
1815         cx23885_mc417_init(dev);
1816
1817         printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
1818                dev->name, dev->v4l_device->minor & 0x1f);
1819
1820         return 0;
1821 }