drivers/media/pci/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.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://sourceforge.net/projects/ivtv/>
  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
  23 #include <linux/module.h>
  24 #include <linux/moduleparam.h>
  25 #include <linux/init.h>
  26 #include <linux/fs.h>
  27 #include <linux/delay.h>
  28 #include <linux/device.h>
  29 #include <linux/firmware.h>
  30 #include <linux/slab.h>
  31 #include <media/v4l2-common.h>
  32 #include <media/v4l2-ioctl.h>
  33 #include <media/cx2341x.h>
  34
  35 #include "cx23885.h"
  36 #include "cx23885-ioctl.h"
  37
  38 #define CX23885_FIRM_IMAGE_SIZE 376836
  39 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
  40
  41 static unsigned int mpegbufs = 32;
  42 module_param(mpegbufs, int, 0644);
  43 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
  44 static unsigned int mpeglines = 32;
  45 module_param(mpeglines, int, 0644);
  46 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
  47 static unsigned int mpeglinesize = 512;
  48 module_param(mpeglinesize, int, 0644);
  49 MODULE_PARM_DESC(mpeglinesize,
  50         "number of bytes in each line of an MPEG buffer, range 512-1024");
  51
  52 static unsigned int v4l_debug;
  53 module_param(v4l_debug, int, 0644);
  54 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
  55
  56 #define dprintk(level, fmt, arg...)\
  57         do { if (v4l_debug >= level) \
  58                 printk(KERN_DEBUG "%s: " fmt, \
  59                 (dev) ? dev->name : "cx23885[?]", ## arg); \
  60         } while (0)
  61
  62 static struct cx23885_tvnorm cx23885_tvnorms[] = {
  63         {
  64                 .name      = "NTSC-M",
  65                 .id        = V4L2_STD_NTSC_M,
  66         }, {
  67                 .name      = "NTSC-JP",
  68                 .id        = V4L2_STD_NTSC_M_JP,
  69         }, {
  70                 .name      = "PAL-BG",
  71                 .id        = V4L2_STD_PAL_BG,
  72         }, {
  73                 .name      = "PAL-DK",
  74                 .id        = V4L2_STD_PAL_DK,
  75         }, {
  76                 .name      = "PAL-I",
  77                 .id        = V4L2_STD_PAL_I,
  78         }, {
  79                 .name      = "PAL-M",
  80                 .id        = V4L2_STD_PAL_M,
  81         }, {
  82                 .name      = "PAL-N",
  83                 .id        = V4L2_STD_PAL_N,
  84         }, {
  85                 .name      = "PAL-Nc",
  86                 .id        = V4L2_STD_PAL_Nc,
  87         }, {
  88                 .name      = "PAL-60",
  89                 .id        = V4L2_STD_PAL_60,
  90         }, {
  91                 .name      = "SECAM-L",
  92                 .id        = V4L2_STD_SECAM_L,
  93         }, {
  94                 .name      = "SECAM-DK",
  95                 .id        = V4L2_STD_SECAM_DK,
  96         }
  97 };
  98
  99 /* ------------------------------------------------------------------ */
 100 enum cx23885_capture_type {
 101         CX23885_MPEG_CAPTURE,
 102         CX23885_RAW_CAPTURE,
 103         CX23885_RAW_PASSTHRU_CAPTURE
 104 };
 105 enum cx23885_capture_bits {
 106         CX23885_RAW_BITS_NONE             = 0x00,
 107         CX23885_RAW_BITS_YUV_CAPTURE      = 0x01,
 108         CX23885_RAW_BITS_PCM_CAPTURE      = 0x02,
 109         CX23885_RAW_BITS_VBI_CAPTURE      = 0x04,
 110         CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
 111         CX23885_RAW_BITS_TO_HOST_CAPTURE  = 0x10
 112 };
 113 enum cx23885_capture_end {
 114         CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
 115         CX23885_END_NOW, /* stop immediately, no irq */
 116 };
 117 enum cx23885_framerate {
 118         CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
 119         CX23885_FRAMERATE_PAL_25   /* PAL: 25fps */
 120 };
 121 enum cx23885_stream_port {
 122         CX23885_OUTPUT_PORT_MEMORY,
 123         CX23885_OUTPUT_PORT_STREAMING,
 124         CX23885_OUTPUT_PORT_SERIAL
 125 };
 126 enum cx23885_data_xfer_status {
 127         CX23885_MORE_BUFFERS_FOLLOW,
 128         CX23885_LAST_BUFFER,
 129 };
 130 enum cx23885_picture_mask {
 131         CX23885_PICTURE_MASK_NONE,
 132         CX23885_PICTURE_MASK_I_FRAMES,
 133         CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
 134         CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
 135 };
 136 enum cx23885_vbi_mode_bits {
 137         CX23885_VBI_BITS_SLICED,
 138         CX23885_VBI_BITS_RAW,
 139 };
 140 enum cx23885_vbi_insertion_bits {
 141         CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
 142         CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
 143         CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
 144         CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
 145         CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
 146 };
 147 enum cx23885_dma_unit {
 148         CX23885_DMA_BYTES,
 149         CX23885_DMA_FRAMES,
 150 };
 151 enum cx23885_dma_transfer_status_bits {
 152         CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
 153         CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
 154         CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
 155 };
 156 enum cx23885_pause {
 157         CX23885_PAUSE_ENCODING,
 158         CX23885_RESUME_ENCODING,
 159 };
 160 enum cx23885_copyright {
 161         CX23885_COPYRIGHT_OFF,
 162         CX23885_COPYRIGHT_ON,
 163 };
 164 enum cx23885_notification_type {
 165         CX23885_NOTIFICATION_REFRESH,
 166 };
 167 enum cx23885_notification_status {
 168         CX23885_NOTIFICATION_OFF,
 169         CX23885_NOTIFICATION_ON,
 170 };
 171 enum cx23885_notification_mailbox {
 172         CX23885_NOTIFICATION_NO_MAILBOX = -1,
 173 };
 174 enum cx23885_field1_lines {
 175         CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
 176         CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
 177         CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
 178 };
 179 enum cx23885_field2_lines {
 180         CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
 181         CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
 182         CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
 183 };
 184 enum cx23885_custom_data_type {
 185         CX23885_CUSTOM_EXTENSION_USR_DATA,
 186         CX23885_CUSTOM_PRIVATE_PACKET,
 187 };
 188 enum cx23885_mute {
 189         CX23885_UNMUTE,
 190         CX23885_MUTE,
 191 };
 192 enum cx23885_mute_video_mask {
 193         CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
 194         CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
 195         CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
 196 };
 197 enum cx23885_mute_video_shift {
 198         CX23885_MUTE_VIDEO_V_SHIFT = 8,
 199         CX23885_MUTE_VIDEO_U_SHIFT = 16,
 200         CX23885_MUTE_VIDEO_Y_SHIFT = 24,
 201 };
 202
 203 /* defines below are from ivtv-driver.h */
 204 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
 205
 206 /* Firmware API commands */
 207 #define IVTV_API_STD_TIMEOUT 500
 208
 209 /* Registers */
 210 /* IVTV_REG_OFFSET */
 211 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
 212 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
 213 #define IVTV_REG_SPU (0x9050)
 214 #define IVTV_REG_HW_BLOCKS (0x9054)
 215 #define IVTV_REG_VPU (0x9058)
 216 #define IVTV_REG_APU (0xA064)
 217
 218 /**** Bit definitions for MC417_RWD and MC417_OEN registers  ***
 219   bits 31-16
 220 +-----------+
 221 | Reserved  |
 222 +-----------+
 223   bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
 224 +-------+-------+-------+-------+-------+-------+-------+-------+
 225 | MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
 226 +-------+-------+-------+-------+-------+-------+-------+-------+
 227  bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
 228 +-------+-------+-------+-------+-------+-------+-------+-------+
 229 |MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
 230 +-------+-------+-------+-------+-------+-------+-------+-------+
 231 ***/
 232 #define MC417_MIWR      0x8000
 233 #define MC417_MIRD      0x4000
 234 #define MC417_MICS      0x2000
 235 #define MC417_MIRDY     0x1000
 236 #define MC417_MIADDR    0x0F00
 237 #define MC417_MIDATA    0x00FF
 238
 239 /* MIADDR* nibble definitions */
 240 #define  MCI_MEMORY_DATA_BYTE0          0x000
 241 #define  MCI_MEMORY_DATA_BYTE1          0x100
 242 #define  MCI_MEMORY_DATA_BYTE2          0x200
 243 #define  MCI_MEMORY_DATA_BYTE3          0x300
 244 #define  MCI_MEMORY_ADDRESS_BYTE2       0x400
 245 #define  MCI_MEMORY_ADDRESS_BYTE1       0x500
 246 #define  MCI_MEMORY_ADDRESS_BYTE0       0x600
 247 #define  MCI_REGISTER_DATA_BYTE0        0x800
 248 #define  MCI_REGISTER_DATA_BYTE1        0x900
 249 #define  MCI_REGISTER_DATA_BYTE2        0xA00
 250 #define  MCI_REGISTER_DATA_BYTE3        0xB00
 251 #define  MCI_REGISTER_ADDRESS_BYTE0     0xC00
 252 #define  MCI_REGISTER_ADDRESS_BYTE1     0xD00
 253 #define  MCI_REGISTER_MODE              0xE00
 254
 255 /* Read and write modes */
 256 #define  MCI_MODE_REGISTER_READ         0
 257 #define  MCI_MODE_REGISTER_WRITE        1
 258 #define  MCI_MODE_MEMORY_READ           0
 259 #define  MCI_MODE_MEMORY_WRITE          0x40
 260
 261 /*** Bit definitions for MC417_CTL register ****
 262  bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
 263 +--------+-------------+--------+--------------+------------+
 264 |Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
 265 +--------+-------------+--------+--------------+------------+
 266 ***/
 267 #define MC417_SPD_CTL(x)        (((x) << 4) & 0x00000030)
 268 #define MC417_GPIO_SEL(x)       (((x) << 1) & 0x00000006)
 269 #define MC417_UART_GPIO_EN      0x00000001
 270
 271 /* Values for speed control */
 272 #define MC417_SPD_CTL_SLOW      0x1
 273 #define MC417_SPD_CTL_MEDIUM    0x0
 274 #define MC417_SPD_CTL_FAST      0x3     /* b'1x, but we use b'11 */
 275
 276 /* Values for GPIO select */
 277 #define MC417_GPIO_SEL_GPIO3    0x3
 278 #define MC417_GPIO_SEL_GPIO2    0x2
 279 #define MC417_GPIO_SEL_GPIO1    0x1
 280 #define MC417_GPIO_SEL_GPIO0    0x0
 281
 282 void cx23885_mc417_init(struct cx23885_dev *dev)
 283 {
 284         u32 regval;
 285
 286         dprintk(2, "%s()\n", __func__);
 287
 288         /* Configure MC417_CTL register to defaults. */
 289         regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST)      |
 290                  MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3)   |
 291                  MC417_UART_GPIO_EN;
 292         cx_write(MC417_CTL, regval);
 293
 294         /* Configure MC417_OEN to defaults. */
 295         regval = MC417_MIRDY;
 296         cx_write(MC417_OEN, regval);
 297
 298         /* Configure MC417_RWD to defaults. */
 299         regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
 300         cx_write(MC417_RWD, regval);
 301 }
 302
 303 static int mc417_wait_ready(struct cx23885_dev *dev)
 304 {
 305         u32 mi_ready;
 306         unsigned long timeout = jiffies + msecs_to_jiffies(1);
 307
 308         for (;;) {
 309                 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
 310                 if (mi_ready != 0)
 311                         return 0;
 312                 if (time_after(jiffies, timeout))
 313                         return -1;
 314                 udelay(1);
 315         }
 316 }
 317
 318 int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
 319 {
 320         u32 regval;
 321
 322         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 323          * which is an input.
 324          */
 325         cx_write(MC417_OEN, MC417_MIRDY);
 326
 327         /* Write data byte 0 */
 328         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
 329                 (value & 0x000000FF);
 330         cx_write(MC417_RWD, regval);
 331
 332         /* Transition CS/WR to effect write transaction across bus. */
 333         regval |= MC417_MICS | MC417_MIWR;
 334         cx_write(MC417_RWD, regval);
 335
 336         /* Write data byte 1 */
 337         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
 338                 ((value >> 8) & 0x000000FF);
 339         cx_write(MC417_RWD, regval);
 340         regval |= MC417_MICS | MC417_MIWR;
 341         cx_write(MC417_RWD, regval);
 342
 343         /* Write data byte 2 */
 344         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
 345                 ((value >> 16) & 0x000000FF);
 346         cx_write(MC417_RWD, regval);
 347         regval |= MC417_MICS | MC417_MIWR;
 348         cx_write(MC417_RWD, regval);
 349
 350         /* Write data byte 3 */
 351         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
 352                 ((value >> 24) & 0x000000FF);
 353         cx_write(MC417_RWD, regval);
 354         regval |= MC417_MICS | MC417_MIWR;
 355         cx_write(MC417_RWD, regval);
 356
 357         /* Write address byte 0 */
 358         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
 359                 (address & 0xFF);
 360         cx_write(MC417_RWD, regval);
 361         regval |= MC417_MICS | MC417_MIWR;
 362         cx_write(MC417_RWD, regval);
 363
 364         /* Write address byte 1 */
 365         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
 366                 ((address >> 8) & 0xFF);
 367         cx_write(MC417_RWD, regval);
 368         regval |= MC417_MICS | MC417_MIWR;
 369         cx_write(MC417_RWD, regval);
 370
 371         /* Indicate that this is a write. */
 372         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
 373                 MCI_MODE_REGISTER_WRITE;
 374         cx_write(MC417_RWD, regval);
 375         regval |= MC417_MICS | MC417_MIWR;
 376         cx_write(MC417_RWD, regval);
 377
 378         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 379         return mc417_wait_ready(dev);
 380 }
 381
 382 int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
 383 {
 384         int retval;
 385         u32 regval;
 386         u32 tempval;
 387         u32 dataval;
 388
 389         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 390          * which is an input.
 391          */
 392         cx_write(MC417_OEN, MC417_MIRDY);
 393
 394         /* Write address byte 0 */
 395         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
 396                 ((address & 0x00FF));
 397         cx_write(MC417_RWD, regval);
 398         regval |= MC417_MICS | MC417_MIWR;
 399         cx_write(MC417_RWD, regval);
 400
 401         /* Write address byte 1 */
 402         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
 403                 ((address >> 8) & 0xFF);
 404         cx_write(MC417_RWD, regval);
 405         regval |= MC417_MICS | MC417_MIWR;
 406         cx_write(MC417_RWD, regval);
 407
 408         /* Indicate that this is a register read. */
 409         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
 410                 MCI_MODE_REGISTER_READ;
 411         cx_write(MC417_RWD, regval);
 412         regval |= MC417_MICS | MC417_MIWR;
 413         cx_write(MC417_RWD, regval);
 414
 415         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 416         retval = mc417_wait_ready(dev);
 417
 418         /* switch the DAT0-7 GPIO[10:3] to input mode */
 419         cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
 420
 421         /* Read data byte 0 */
 422         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
 423         cx_write(MC417_RWD, regval);
 424
 425         /* Transition RD to effect read transaction across bus.
 426          * Transition 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
 427          * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
 428          * input only...)
 429          */
 430         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
 431         cx_write(MC417_RWD, regval);
 432
 433         /* Collect byte */
 434         tempval = cx_read(MC417_RWD);
 435         dataval = tempval & 0x000000FF;
 436
 437         /* Bring CS and RD high. */
 438         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 439         cx_write(MC417_RWD, regval);
 440
 441         /* Read data byte 1 */
 442         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
 443         cx_write(MC417_RWD, regval);
 444         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
 445         cx_write(MC417_RWD, regval);
 446         tempval = cx_read(MC417_RWD);
 447         dataval |= ((tempval & 0x000000FF) << 8);
 448         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 449         cx_write(MC417_RWD, regval);
 450
 451         /* Read data byte 2 */
 452         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
 453         cx_write(MC417_RWD, regval);
 454         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
 455         cx_write(MC417_RWD, regval);
 456         tempval = cx_read(MC417_RWD);
 457         dataval |= ((tempval & 0x000000FF) << 16);
 458         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 459         cx_write(MC417_RWD, regval);
 460
 461         /* Read data byte 3 */
 462         regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
 463         cx_write(MC417_RWD, regval);
 464         regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
 465         cx_write(MC417_RWD, regval);
 466         tempval = cx_read(MC417_RWD);
 467         dataval |= ((tempval & 0x000000FF) << 24);
 468         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 469         cx_write(MC417_RWD, regval);
 470
 471         *value  = dataval;
 472
 473         return retval;
 474 }
 475
 476 int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
 477 {
 478         u32 regval;
 479
 480         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 481          * which is an input.
 482          */
 483         cx_write(MC417_OEN, MC417_MIRDY);
 484
 485         /* Write data byte 0 */
 486         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
 487                 (value & 0x000000FF);
 488         cx_write(MC417_RWD, regval);
 489
 490         /* Transition CS/WR to effect write transaction across bus. */
 491         regval |= MC417_MICS | MC417_MIWR;
 492         cx_write(MC417_RWD, regval);
 493
 494         /* Write data byte 1 */
 495         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
 496                 ((value >> 8) & 0x000000FF);
 497         cx_write(MC417_RWD, regval);
 498         regval |= MC417_MICS | MC417_MIWR;
 499         cx_write(MC417_RWD, regval);
 500
 501         /* Write data byte 2 */
 502         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
 503                 ((value >> 16) & 0x000000FF);
 504         cx_write(MC417_RWD, regval);
 505         regval |= MC417_MICS | MC417_MIWR;
 506         cx_write(MC417_RWD, regval);
 507
 508         /* Write data byte 3 */
 509         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
 510                 ((value >> 24) & 0x000000FF);
 511         cx_write(MC417_RWD, regval);
 512         regval |= MC417_MICS | MC417_MIWR;
 513         cx_write(MC417_RWD, regval);
 514
 515         /* Write address byte 2 */
 516         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
 517                 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
 518         cx_write(MC417_RWD, regval);
 519         regval |= MC417_MICS | MC417_MIWR;
 520         cx_write(MC417_RWD, regval);
 521
 522         /* Write address byte 1 */
 523         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
 524                 ((address >> 8) & 0xFF);
 525         cx_write(MC417_RWD, regval);
 526         regval |= MC417_MICS | MC417_MIWR;
 527         cx_write(MC417_RWD, regval);
 528
 529         /* Write address byte 0 */
 530         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
 531                 (address & 0xFF);
 532         cx_write(MC417_RWD, regval);
 533         regval |= MC417_MICS | MC417_MIWR;
 534         cx_write(MC417_RWD, regval);
 535
 536         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 537         return mc417_wait_ready(dev);
 538 }
 539
 540 int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
 541 {
 542         int retval;
 543         u32 regval;
 544         u32 tempval;
 545         u32 dataval;
 546
 547         /* Enable MC417 GPIO outputs except for MC417_MIRDY,
 548          * which is an input.
 549          */
 550         cx_write(MC417_OEN, MC417_MIRDY);
 551
 552         /* Write address byte 2 */
 553         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
 554                 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
 555         cx_write(MC417_RWD, regval);
 556         regval |= MC417_MICS | MC417_MIWR;
 557         cx_write(MC417_RWD, regval);
 558
 559         /* Write address byte 1 */
 560         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
 561                 ((address >> 8) & 0xFF);
 562         cx_write(MC417_RWD, regval);
 563         regval |= MC417_MICS | MC417_MIWR;
 564         cx_write(MC417_RWD, regval);
 565
 566         /* Write address byte 0 */
 567         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
 568                 (address & 0xFF);
 569         cx_write(MC417_RWD, regval);
 570         regval |= MC417_MICS | MC417_MIWR;
 571         cx_write(MC417_RWD, regval);
 572
 573         /* Wait for the trans to complete (MC417_MIRDY asserted). */
 574         retval = mc417_wait_ready(dev);
 575
 576         /* switch the DAT0-7 GPIO[10:3] to input mode */
 577         cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
 578
 579         /* Read data byte 3 */
 580         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
 581         cx_write(MC417_RWD, regval);
 582
 583         /* Transition RD to effect read transaction across bus. */
 584         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
 585         cx_write(MC417_RWD, regval);
 586
 587         /* Collect byte */
 588         tempval = cx_read(MC417_RWD);
 589         dataval = ((tempval & 0x000000FF) << 24);
 590
 591         /* Bring CS and RD high. */
 592         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 593         cx_write(MC417_RWD, regval);
 594
 595         /* Read data byte 2 */
 596         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
 597         cx_write(MC417_RWD, regval);
 598         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
 599         cx_write(MC417_RWD, regval);
 600         tempval = cx_read(MC417_RWD);
 601         dataval |= ((tempval & 0x000000FF) << 16);
 602         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 603         cx_write(MC417_RWD, regval);
 604
 605         /* Read data byte 1 */
 606         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
 607         cx_write(MC417_RWD, regval);
 608         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
 609         cx_write(MC417_RWD, regval);
 610         tempval = cx_read(MC417_RWD);
 611         dataval |= ((tempval & 0x000000FF) << 8);
 612         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 613         cx_write(MC417_RWD, regval);
 614
 615         /* Read data byte 0 */
 616         regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
 617         cx_write(MC417_RWD, regval);
 618         regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
 619         cx_write(MC417_RWD, regval);
 620         tempval = cx_read(MC417_RWD);
 621         dataval |= (tempval & 0x000000FF);
 622         regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
 623         cx_write(MC417_RWD, regval);
 624
 625         *value  = dataval;
 626
 627         return retval;
 628 }
 629
 630 void mc417_gpio_set(struct cx23885_dev *dev, u32 mask)
 631 {
 632         u32 val;
 633
 634         /* Set the gpio value */
 635         mc417_register_read(dev, 0x900C, &val);
 636         val |= (mask & 0x000ffff);
 637         mc417_register_write(dev, 0x900C, val);
 638 }
 639
 640 void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask)
 641 {
 642         u32 val;
 643
 644         /* Clear the gpio value */
 645         mc417_register_read(dev, 0x900C, &val);
 646         val &= ~(mask & 0x0000ffff);
 647         mc417_register_write(dev, 0x900C, val);
 648 }
 649
 650 void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
 651 {
 652         u32 val;
 653
 654         /* Enable GPIO direction bits */
 655         mc417_register_read(dev, 0x9020, &val);
 656         if (asoutput)
 657                 val |= (mask & 0x0000ffff);
 658         else
 659                 val &= ~(mask & 0x0000ffff);
 660
 661         mc417_register_write(dev, 0x9020, val);
 662 }
 663 /* ------------------------------------------------------------------ */
 664
 665 /* MPEG encoder API */
 666 static char *cmd_to_str(int cmd)
 667 {
 668         switch (cmd) {
 669         case CX2341X_ENC_PING_FW:
 670                 return  "PING_FW";
 671         case CX2341X_ENC_START_CAPTURE:
 672                 return  "START_CAPTURE";
 673         case CX2341X_ENC_STOP_CAPTURE:
 674                 return  "STOP_CAPTURE";
 675         case CX2341X_ENC_SET_AUDIO_ID:
 676                 return  "SET_AUDIO_ID";
 677         case CX2341X_ENC_SET_VIDEO_ID:
 678                 return  "SET_VIDEO_ID";
 679         case CX2341X_ENC_SET_PCR_ID:
 680                 return  "SET_PCR_ID";
 681         case CX2341X_ENC_SET_FRAME_RATE:
 682                 return  "SET_FRAME_RATE";
 683         case CX2341X_ENC_SET_FRAME_SIZE:
 684                 return  "SET_FRAME_SIZE";
 685         case CX2341X_ENC_SET_BIT_RATE:
 686                 return  "SET_BIT_RATE";
 687         case CX2341X_ENC_SET_GOP_PROPERTIES:
 688                 return  "SET_GOP_PROPERTIES";
 689         case CX2341X_ENC_SET_ASPECT_RATIO:
 690                 return  "SET_ASPECT_RATIO";
 691         case CX2341X_ENC_SET_DNR_FILTER_MODE:
 692                 return  "SET_DNR_FILTER_MODE";
 693         case CX2341X_ENC_SET_DNR_FILTER_PROPS:
 694                 return  "SET_DNR_FILTER_PROPS";
 695         case CX2341X_ENC_SET_CORING_LEVELS:
 696                 return  "SET_CORING_LEVELS";
 697         case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
 698                 return  "SET_SPATIAL_FILTER_TYPE";
 699         case CX2341X_ENC_SET_VBI_LINE:
 700                 return  "SET_VBI_LINE";
 701         case CX2341X_ENC_SET_STREAM_TYPE:
 702                 return  "SET_STREAM_TYPE";
 703         case CX2341X_ENC_SET_OUTPUT_PORT:
 704                 return  "SET_OUTPUT_PORT";
 705         case CX2341X_ENC_SET_AUDIO_PROPERTIES:
 706                 return  "SET_AUDIO_PROPERTIES";
 707         case CX2341X_ENC_HALT_FW:
 708                 return  "HALT_FW";
 709         case CX2341X_ENC_GET_VERSION:
 710                 return  "GET_VERSION";
 711         case CX2341X_ENC_SET_GOP_CLOSURE:
 712                 return  "SET_GOP_CLOSURE";
 713         case CX2341X_ENC_GET_SEQ_END:
 714                 return  "GET_SEQ_END";
 715         case CX2341X_ENC_SET_PGM_INDEX_INFO:
 716                 return  "SET_PGM_INDEX_INFO";
 717         case CX2341X_ENC_SET_VBI_CONFIG:
 718                 return  "SET_VBI_CONFIG";
 719         case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
 720                 return  "SET_DMA_BLOCK_SIZE";
 721         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
 722                 return  "GET_PREV_DMA_INFO_MB_10";
 723         case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
 724                 return  "GET_PREV_DMA_INFO_MB_9";
 725         case CX2341X_ENC_SCHED_DMA_TO_HOST:
 726                 return  "SCHED_DMA_TO_HOST";
 727         case CX2341X_ENC_INITIALIZE_INPUT:
 728                 return  "INITIALIZE_INPUT";
 729         case CX2341X_ENC_SET_FRAME_DROP_RATE:
 730                 return  "SET_FRAME_DROP_RATE";
 731         case CX2341X_ENC_PAUSE_ENCODER:
 732                 return  "PAUSE_ENCODER";
 733         case CX2341X_ENC_REFRESH_INPUT:
 734                 return  "REFRESH_INPUT";
 735         case CX2341X_ENC_SET_COPYRIGHT:
 736                 return  "SET_COPYRIGHT";
 737         case CX2341X_ENC_SET_EVENT_NOTIFICATION:
 738                 return  "SET_EVENT_NOTIFICATION";
 739         case CX2341X_ENC_SET_NUM_VSYNC_LINES:
 740                 return  "SET_NUM_VSYNC_LINES";
 741         case CX2341X_ENC_SET_PLACEHOLDER:
 742                 return  "SET_PLACEHOLDER";
 743         case CX2341X_ENC_MUTE_VIDEO:
 744                 return  "MUTE_VIDEO";
 745         case CX2341X_ENC_MUTE_AUDIO:
 746                 return  "MUTE_AUDIO";
 747         case CX2341X_ENC_MISC:
 748                 return  "MISC";
 749         default:
 750                 return "UNKNOWN";
 751         }
 752 }
 753
 754 static int cx23885_mbox_func(void *priv,
 755                              u32 command,
 756                              int in,
 757                              int out,
 758                              u32 data[CX2341X_MBOX_MAX_DATA])
 759 {
 760         struct cx23885_dev *dev = priv;
 761         unsigned long timeout;
 762         u32 value, flag, retval = 0;
 763         int i;
 764
 765         dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
 766                 cmd_to_str(command));
 767
 768         /* this may not be 100% safe if we can't read any memory location
 769            without side effects */
 770         mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
 771         if (value != 0x12345678) {
 772                 printk(KERN_ERR
 773                         "Firmware and/or mailbox pointer not initialized "
 774                         "or corrupted, signature = 0x%x, cmd = %s\n", value,
 775                         cmd_to_str(command));
 776                 return -1;
 777         }
 778
 779         /* This read looks at 32 bits, but flag is only 8 bits.
 780          * Seems we also bail if CMD or TIMEOUT bytes are set???
 781          */
 782         mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 783         if (flag) {
 784                 printk(KERN_ERR "ERROR: Mailbox appears to be in use "
 785                         "(%x), cmd = %s\n", flag, cmd_to_str(command));
 786                 return -1;
 787         }
 788
 789         flag |= 1; /* tell 'em we're working on it */
 790         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 791
 792         /* write command + args + fill remaining with zeros */
 793         /* command code */
 794         mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
 795         mc417_memory_write(dev, dev->cx23417_mailbox + 3,
 796                 IVTV_API_STD_TIMEOUT); /* timeout */
 797         for (i = 0; i < in; i++) {
 798                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
 799                 dprintk(3, "API Input %d = %d\n", i, data[i]);
 800         }
 801         for (; i < CX2341X_MBOX_MAX_DATA; i++)
 802                 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
 803
 804         flag |= 3; /* tell 'em we're done writing */
 805         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 806
 807         /* wait for firmware to handle the API command */
 808         timeout = jiffies + msecs_to_jiffies(10);
 809         for (;;) {
 810                 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
 811                 if (0 != (flag & 4))
 812                         break;
 813                 if (time_after(jiffies, timeout)) {
 814                         printk(KERN_ERR "ERROR: API Mailbox timeout\n");
 815                         return -1;
 816                 }
 817                 udelay(10);
 818         }
 819
 820         /* read output values */
 821         for (i = 0; i < out; i++) {
 822                 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
 823                 dprintk(3, "API Output %d = %d\n", i, data[i]);
 824         }
 825
 826         mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
 827         dprintk(3, "API result = %d\n", retval);
 828
 829         flag = 0;
 830         mc417_memory_write(dev, dev->cx23417_mailbox, flag);
 831
 832         return retval;
 833 }
 834
 835 /* We don't need to call the API often, so using just one
 836  * mailbox will probably suffice
 837  */
 838 static int cx23885_api_cmd(struct cx23885_dev *dev,
 839                            u32 command,
 840                            u32 inputcnt,
 841                            u32 outputcnt,
 842                            ...)
 843 {
 844         u32 data[CX2341X_MBOX_MAX_DATA];
 845         va_list vargs;
 846         int i, err;
 847
 848         dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
 849
 850         va_start(vargs, outputcnt);
 851         for (i = 0; i < inputcnt; i++)
 852                 data[i] = va_arg(vargs, int);
 853
 854         err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
 855         for (i = 0; i < outputcnt; i++) {
 856                 int *vptr = va_arg(vargs, int *);
 857                 *vptr = data[i];
 858         }
 859         va_end(vargs);
 860
 861         return err;
 862 }
 863
 864 static int cx23885_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
 865 {
 866         return cx23885_mbox_func(priv, cmd, in, out, data);
 867 }
 868
 869 static int cx23885_find_mailbox(struct cx23885_dev *dev)
 870 {
 871         u32 signature[4] = {
 872                 0x12345678, 0x34567812, 0x56781234, 0x78123456
 873         };
 874         int signaturecnt = 0;
 875         u32 value;
 876         int i;
 877
 878         dprintk(2, "%s()\n", __func__);
 879
 880         for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
 881                 mc417_memory_read(dev, i, &value);
 882                 if (value == signature[signaturecnt])
 883                         signaturecnt++;
 884                 else
 885                         signaturecnt = 0;
 886                 if (4 == signaturecnt) {
 887                         dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
 888                         return i+1;
 889                 }
 890         }
 891         printk(KERN_ERR "Mailbox signature values not found!\n");
 892         return -1;
 893 }
 894
 895 static int cx23885_load_firmware(struct cx23885_dev *dev)
 896 {
 897         static const unsigned char magic[8] = {
 898                 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
 899         };
 900         const struct firmware *firmware;
 901         int i, retval = 0;
 902         u32 value = 0;
 903         u32 gpio_output = 0;
 904         u32 gpio_value;
 905         u32 checksum = 0;
 906         u32 *dataptr;
 907
 908         dprintk(2, "%s()\n", __func__);
 909
 910         /* Save GPIO settings before reset of APU */
 911         retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
 912         retval |= mc417_memory_read(dev, 0x900C, &gpio_value);
 913
 914         retval  = mc417_register_write(dev,
 915                 IVTV_REG_VPU, 0xFFFFFFED);
 916         retval |= mc417_register_write(dev,
 917                 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
 918         retval |= mc417_register_write(dev,
 919                 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
 920         retval |= mc417_register_write(dev,
 921                 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
 922         retval |= mc417_register_write(dev,
 923                 IVTV_REG_APU, 0);
 924
 925         if (retval != 0) {
 926                 printk(KERN_ERR "%s: Error with mc417_register_write\n",
 927                         __func__);
 928                 return -1;
 929         }
 930
 931         retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
 932                                   &dev->pci->dev);
 933
 934         if (retval != 0) {
 935                 printk(KERN_ERR
 936                         "ERROR: Hotplug firmware request failed (%s).\n",
 937                         CX23885_FIRM_IMAGE_NAME);
 938                 printk(KERN_ERR "Please fix your hotplug setup, the board will "
 939                         "not work without firmware loaded!\n");
 940                 return -1;
 941         }
 942
 943         if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
 944                 printk(KERN_ERR "ERROR: Firmware size mismatch "
 945                         "(have %zu, expected %d)\n",
 946                         firmware->size, CX23885_FIRM_IMAGE_SIZE);
 947                 release_firmware(firmware);
 948                 return -1;
 949         }
 950
 951         if (0 != memcmp(firmware->data, magic, 8)) {
 952                 printk(KERN_ERR
 953                         "ERROR: Firmware magic mismatch, wrong file?\n");
 954                 release_firmware(firmware);
 955                 return -1;
 956         }
 957
 958         /* transfer to the chip */
 959         dprintk(2, "Loading firmware ...\n");
 960         dataptr = (u32 *)firmware->data;
 961         for (i = 0; i < (firmware->size >> 2); i++) {
 962                 value = *dataptr;
 963                 checksum += ~value;
 964                 if (mc417_memory_write(dev, i, value) != 0) {
 965                         printk(KERN_ERR "ERROR: Loading firmware failed!\n");
 966                         release_firmware(firmware);
 967                         return -1;
 968                 }
 969                 dataptr++;
 970         }
 971
 972         /* read back to verify with the checksum */
 973         dprintk(1, "Verifying firmware ...\n");
 974         for (i--; i >= 0; i--) {
 975                 if (mc417_memory_read(dev, i, &value) != 0) {
 976                         printk(KERN_ERR "ERROR: Reading firmware failed!\n");
 977                         release_firmware(firmware);
 978                         return -1;
 979                 }
 980                 checksum -= ~value;
 981         }
 982         if (checksum) {
 983                 printk(KERN_ERR
 984                         "ERROR: Firmware load failed (checksum mismatch).\n");
 985                 release_firmware(firmware);
 986                 return -1;
 987         }
 988         release_firmware(firmware);
 989         dprintk(1, "Firmware upload successful.\n");
 990
 991         retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
 992                 IVTV_CMD_HW_BLOCKS_RST);
 993
 994         /* F/W power up disturbs the GPIOs, restore state */
 995         retval |= mc417_register_write(dev, 0x9020, gpio_output);
 996         retval |= mc417_register_write(dev, 0x900C, gpio_value);
 997
 998         retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
 999         retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
1000
1001         /* Hardcoded GPIO's here */
1002         retval |= mc417_register_write(dev, 0x9020, 0x4000);
1003         retval |= mc417_register_write(dev, 0x900C, 0x4000);
1004
1005         mc417_register_read(dev, 0x9020, &gpio_output);
1006         mc417_register_read(dev, 0x900C, &gpio_value);
1007
1008         if (retval < 0)
1009                 printk(KERN_ERR "%s: Error with mc417_register_write\n",
1010                         __func__);
1011         return 0;
1012 }
1013
1014 void cx23885_417_check_encoder(struct cx23885_dev *dev)
1015 {
1016         u32 status, seq;
1017
1018         status = seq = 0;
1019         cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1020         dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1021 }
1022
1023 static void cx23885_codec_settings(struct cx23885_dev *dev)
1024 {
1025         dprintk(1, "%s()\n", __func__);
1026
1027         /* Dynamically change the height based on video standard */
1028         if (dev->encodernorm.id & V4L2_STD_525_60)
1029                 dev->ts1.height = 480;
1030         else
1031                 dev->ts1.height = 576;
1032
1033         /* assign frame size */
1034         cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1035                                 dev->ts1.height, dev->ts1.width);
1036
1037         dev->cxhdl.width = dev->ts1.width;
1038         dev->cxhdl.height = dev->ts1.height;
1039         dev->cxhdl.is_50hz =
1040                 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1041
1042         cx2341x_handler_setup(&dev->cxhdl);
1043
1044         cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1045         cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1046 }
1047
1048 static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder)
1049 {
1050         int version;
1051         int retval;
1052         u32 i, data[7];
1053
1054         dprintk(1, "%s()\n", __func__);
1055
1056         retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1057         if (retval < 0) {
1058                 dprintk(2, "%s() PING OK\n", __func__);
1059                 retval = cx23885_load_firmware(dev);
1060                 if (retval < 0) {
1061                         printk(KERN_ERR "%s() f/w load failed\n", __func__);
1062                         return retval;
1063                 }
1064                 retval = cx23885_find_mailbox(dev);
1065                 if (retval < 0) {
1066                         printk(KERN_ERR "%s() mailbox < 0, error\n",
1067                                 __func__);
1068                         return -1;
1069                 }
1070                 dev->cx23417_mailbox = retval;
1071                 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1072                 if (retval < 0) {
1073                         printk(KERN_ERR
1074                                 "ERROR: cx23417 firmware ping failed!\n");
1075                         return -1;
1076                 }
1077                 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1078                         &version);
1079                 if (retval < 0) {
1080                         printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1081                                 "version failed!\n");
1082                         return -1;
1083                 }
1084                 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1085                 msleep(200);
1086         }
1087
1088         cx23885_codec_settings(dev);
1089         msleep(60);
1090
1091         cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1092                 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1093         cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1094                 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1095                 0, 0);
1096
1097         /* Setup to capture VBI */
1098         data[0] = 0x0001BD00;
1099         data[1] = 1;          /* frames per interrupt */
1100         data[2] = 4;          /* total bufs */
1101         data[3] = 0x91559155; /* start codes */
1102         data[4] = 0x206080C0; /* stop codes */
1103         data[5] = 6;          /* lines */
1104         data[6] = 64;         /* BPL */
1105
1106         cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1107                 data[2], data[3], data[4], data[5], data[6]);
1108
1109         for (i = 2; i <= 24; i++) {
1110                 int valid;
1111
1112                 valid = ((i >= 19) && (i <= 21));
1113                 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1114                                 valid, 0 , 0, 0);
1115                 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1116                                 i | 0x80000000, valid, 0, 0, 0);
1117         }
1118
1119         cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1120         msleep(60);
1121
1122         /* initialize the video input */
1123         cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1124         msleep(60);
1125
1126         /* Enable VIP style pixel invalidation so we work with scaled mode */
1127         mc417_memory_write(dev, 2120, 0x00000080);
1128
1129         /* start capturing to the host interface */
1130         if (startencoder) {
1131                 cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1132                         CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1133                 msleep(10);
1134         }
1135
1136         return 0;
1137 }
1138
1139 /* ------------------------------------------------------------------ */
1140
1141 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
1142                            unsigned int *num_buffers, unsigned int *num_planes,
1143                            unsigned int sizes[], void *alloc_ctxs[])
1144 {
1145         struct cx23885_dev *dev = q->drv_priv;
1146
1147         dev->ts1.ts_packet_size  = mpeglinesize;
1148         dev->ts1.ts_packet_count = mpeglines;
1149         *num_planes = 1;
1150         sizes[0] = mpeglinesize * mpeglines;
1151         alloc_ctxs[0] = dev->alloc_ctx;
1152         *num_buffers = mpegbufs;
1153         return 0;
1154 }
1155
1156 static int buffer_prepare(struct vb2_buffer *vb)
1157 {
1158         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1159         struct cx23885_buffer *buf =
1160                 container_of(vb, struct cx23885_buffer, vb);
1161
1162         return cx23885_buf_prepare(buf, &dev->ts1);
1163 }
1164
1165 static void buffer_finish(struct vb2_buffer *vb)
1166 {
1167         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1168         struct cx23885_buffer *buf = container_of(vb,
1169                 struct cx23885_buffer, vb);
1170
1171         cx23885_free_buffer(dev, buf);
1172 }
1173
1174 static void buffer_queue(struct vb2_buffer *vb)
1175 {
1176         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
1177         struct cx23885_buffer   *buf = container_of(vb,
1178                 struct cx23885_buffer, vb);
1179
1180         cx23885_buf_queue(&dev->ts1, buf);
1181 }
1182
1183 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
1184 {
1185         struct cx23885_dev *dev = q->drv_priv;
1186         struct cx23885_dmaqueue *dmaq = &dev->ts1.mpegq;
1187         unsigned long flags;
1188         int ret;
1189
1190         ret = cx23885_initialize_codec(dev, 1);
1191         if (ret == 0) {
1192                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
1193                         struct cx23885_buffer, queue);
1194
1195                 cx23885_start_dma(&dev->ts1, dmaq, buf);
1196                 return 0;
1197         }
1198         spin_lock_irqsave(&dev->slock, flags);
1199         while (!list_empty(&dmaq->active)) {
1200                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
1201                         struct cx23885_buffer, queue);
1202
1203                 list_del(&buf->queue);
1204                 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
1205         }
1206         spin_unlock_irqrestore(&dev->slock, flags);
1207         return ret;
1208 }
1209
1210 static void cx23885_stop_streaming(struct vb2_queue *q)
1211 {
1212         struct cx23885_dev *dev = q->drv_priv;
1213
1214         /* stop mpeg capture */
1215         cx23885_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1216                         CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1217                         CX23885_RAW_BITS_NONE);
1218
1219         msleep(500);
1220         cx23885_417_check_encoder(dev);
1221         cx23885_cancel_buffers(&dev->ts1);
1222 }
1223
1224 static struct vb2_ops cx23885_qops = {
1225         .queue_setup    = queue_setup,
1226         .buf_prepare  = buffer_prepare,
1227         .buf_finish = buffer_finish,
1228         .buf_queue    = buffer_queue,
1229         .wait_prepare = vb2_ops_wait_prepare,
1230         .wait_finish = vb2_ops_wait_finish,
1231         .start_streaming = cx23885_start_streaming,
1232         .stop_streaming = cx23885_stop_streaming,
1233 };
1234
1235 /* ------------------------------------------------------------------ */
1236
1237 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
1238 {
1239         struct cx23885_dev *dev = video_drvdata(file);
1240
1241         *id = dev->tvnorm;
1242         return 0;
1243 }
1244
1245 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1246 {
1247         struct cx23885_dev *dev = video_drvdata(file);
1248         unsigned int i;
1249         int ret;
1250
1251         for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1252                 if (id & cx23885_tvnorms[i].id)
1253                         break;
1254         if (i == ARRAY_SIZE(cx23885_tvnorms))
1255                 return -EINVAL;
1256
1257         ret = cx23885_set_tvnorm(dev, id);
1258         if (!ret)
1259                 dev->encodernorm = cx23885_tvnorms[i];
1260         return ret;
1261 }
1262
1263 static int vidioc_enum_input(struct file *file, void *priv,
1264         struct v4l2_input *i)
1265 {
1266         struct cx23885_dev *dev = video_drvdata(file);
1267         dprintk(1, "%s()\n", __func__);
1268         return cx23885_enum_input(dev, i);
1269 }
1270
1271 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1272 {
1273         return cx23885_get_input(file, priv, i);
1274 }
1275
1276 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1277 {
1278         return cx23885_set_input(file, priv, i);
1279 }
1280
1281 static int vidioc_g_tuner(struct file *file, void *priv,
1282                                 struct v4l2_tuner *t)
1283 {
1284         struct cx23885_dev *dev = video_drvdata(file);
1285
1286         if (dev->tuner_type == TUNER_ABSENT)
1287                 return -EINVAL;
1288         if (0 != t->index)
1289                 return -EINVAL;
1290         strcpy(t->name, "Television");
1291         call_all(dev, tuner, g_tuner, t);
1292
1293         dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1294
1295         return 0;
1296 }
1297
1298 static int vidioc_s_tuner(struct file *file, void *priv,
1299                                 const struct v4l2_tuner *t)
1300 {
1301         struct cx23885_dev *dev = video_drvdata(file);
1302
1303         if (dev->tuner_type == TUNER_ABSENT)
1304                 return -EINVAL;
1305
1306         /* Update the A/V core */
1307         call_all(dev, tuner, s_tuner, t);
1308
1309         return 0;
1310 }
1311
1312 static int vidioc_g_frequency(struct file *file, void *priv,
1313                                 struct v4l2_frequency *f)
1314 {
1315         struct cx23885_dev *dev = video_drvdata(file);
1316
1317         if (dev->tuner_type == TUNER_ABSENT)
1318                 return -EINVAL;
1319         f->type = V4L2_TUNER_ANALOG_TV;
1320         f->frequency = dev->freq;
1321
1322         call_all(dev, tuner, g_frequency, f);
1323
1324         return 0;
1325 }
1326
1327 static int vidioc_s_frequency(struct file *file, void *priv,
1328         const struct v4l2_frequency *f)
1329 {
1330         return cx23885_set_frequency(file, priv, f);
1331 }
1332
1333 static int vidioc_querycap(struct file *file, void  *priv,
1334                                 struct v4l2_capability *cap)
1335 {
1336         struct cx23885_dev *dev = video_drvdata(file);
1337         struct cx23885_tsport  *tsport = &dev->ts1;
1338
1339         strlcpy(cap->driver, dev->name, sizeof(cap->driver));
1340         strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
1341                 sizeof(cap->card));
1342         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1343         cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
1344                            V4L2_CAP_STREAMING;
1345         if (dev->tuner_type != TUNER_ABSENT)
1346                 cap->device_caps |= V4L2_CAP_TUNER;
1347         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
1348                 V4L2_CAP_AUDIO | V4L2_CAP_DEVICE_CAPS;
1349
1350         return 0;
1351 }
1352
1353 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1354                                         struct v4l2_fmtdesc *f)
1355 {
1356         if (f->index != 0)
1357                 return -EINVAL;
1358
1359         strlcpy(f->description, "MPEG", sizeof(f->description));
1360         f->pixelformat = V4L2_PIX_FMT_MPEG;
1361
1362         return 0;
1363 }
1364
1365 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1366                                 struct v4l2_format *f)
1367 {
1368         struct cx23885_dev *dev = video_drvdata(file);
1369
1370         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1371         f->fmt.pix.bytesperline = 0;
1372         f->fmt.pix.sizeimage    =
1373                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1374         f->fmt.pix.colorspace   = 0;
1375         f->fmt.pix.width        = dev->ts1.width;
1376         f->fmt.pix.height       = dev->ts1.height;
1377         f->fmt.pix.field        = V4L2_FIELD_INTERLACED;
1378         dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
1379                 dev->ts1.width, dev->ts1.height);
1380         return 0;
1381 }
1382
1383 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1384                                 struct v4l2_format *f)
1385 {
1386         struct cx23885_dev *dev = video_drvdata(file);
1387
1388         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1389         f->fmt.pix.bytesperline = 0;
1390         f->fmt.pix.sizeimage    =
1391                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1392         f->fmt.pix.colorspace   = 0;
1393         f->fmt.pix.field        = V4L2_FIELD_INTERLACED;
1394         dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
1395                 dev->ts1.width, dev->ts1.height);
1396         return 0;
1397 }
1398
1399 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1400                                 struct v4l2_format *f)
1401 {
1402         struct cx23885_dev *dev = video_drvdata(file);
1403
1404         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1405         f->fmt.pix.bytesperline = 0;
1406         f->fmt.pix.sizeimage    =
1407                 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1408         f->fmt.pix.colorspace   = 0;
1409         f->fmt.pix.field        = V4L2_FIELD_INTERLACED;
1410         dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1411                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1412         return 0;
1413 }
1414
1415 static int vidioc_log_status(struct file *file, void *priv)
1416 {
1417         struct cx23885_dev *dev = video_drvdata(file);
1418         char name[32 + 2];
1419
1420         snprintf(name, sizeof(name), "%s/2", dev->name);
1421         call_all(dev, core, log_status);
1422         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
1423         return 0;
1424 }
1425
1426 static struct v4l2_file_operations mpeg_fops = {
1427         .owner         = THIS_MODULE,
1428         .open           = v4l2_fh_open,
1429         .release        = vb2_fop_release,
1430         .read           = vb2_fop_read,
1431         .poll           = vb2_fop_poll,
1432         .unlocked_ioctl = video_ioctl2,
1433         .mmap           = vb2_fop_mmap,
1434 };
1435
1436 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1437         .vidioc_g_std            = vidioc_g_std,
1438         .vidioc_s_std            = vidioc_s_std,
1439         .vidioc_enum_input       = vidioc_enum_input,
1440         .vidioc_g_input          = vidioc_g_input,
1441         .vidioc_s_input          = vidioc_s_input,
1442         .vidioc_g_tuner          = vidioc_g_tuner,
1443         .vidioc_s_tuner          = vidioc_s_tuner,
1444         .vidioc_g_frequency      = vidioc_g_frequency,
1445         .vidioc_s_frequency      = vidioc_s_frequency,
1446         .vidioc_querycap         = vidioc_querycap,
1447         .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1448         .vidioc_g_fmt_vid_cap    = vidioc_g_fmt_vid_cap,
1449         .vidioc_try_fmt_vid_cap  = vidioc_try_fmt_vid_cap,
1450         .vidioc_s_fmt_vid_cap    = vidioc_s_fmt_vid_cap,
1451         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1452         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1453         .vidioc_querybuf      = vb2_ioctl_querybuf,
1454         .vidioc_qbuf          = vb2_ioctl_qbuf,
1455         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1456         .vidioc_streamon      = vb2_ioctl_streamon,
1457         .vidioc_streamoff     = vb2_ioctl_streamoff,
1458         .vidioc_log_status       = vidioc_log_status,
1459 #ifdef CONFIG_VIDEO_ADV_DEBUG
1460         .vidioc_g_chip_info      = cx23885_g_chip_info,
1461         .vidioc_g_register       = cx23885_g_register,
1462         .vidioc_s_register       = cx23885_s_register,
1463 #endif
1464 };
1465
1466 static struct video_device cx23885_mpeg_template = {
1467         .name          = "cx23885",
1468         .fops          = &mpeg_fops,
1469         .ioctl_ops     = &mpeg_ioctl_ops,
1470         .tvnorms       = CX23885_NORMS,
1471 };
1472
1473 void cx23885_417_unregister(struct cx23885_dev *dev)
1474 {
1475         dprintk(1, "%s()\n", __func__);
1476
1477         if (dev->v4l_device) {
1478                 if (video_is_registered(dev->v4l_device))
1479                         video_unregister_device(dev->v4l_device);
1480                 else
1481                         video_device_release(dev->v4l_device);
1482                 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1483                 dev->v4l_device = NULL;
1484         }
1485 }
1486
1487 static struct video_device *cx23885_video_dev_alloc(
1488         struct cx23885_tsport *tsport,
1489         struct pci_dev *pci,
1490         struct video_device *template,
1491         char *type)
1492 {
1493         struct video_device *vfd;
1494         struct cx23885_dev *dev = tsport->dev;
1495
1496         dprintk(1, "%s()\n", __func__);
1497
1498         vfd = video_device_alloc();
1499         if (NULL == vfd)
1500                 return NULL;
1501         *vfd = *template;
1502         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
1503                 cx23885_boards[tsport->dev->board].name, type);
1504         vfd->v4l2_dev = &dev->v4l2_dev;
1505         vfd->release = video_device_release;
1506         return vfd;
1507 }
1508
1509 int cx23885_417_register(struct cx23885_dev *dev)
1510 {
1511         /* FIXME: Port1 hardcoded here */
1512         int err = -ENODEV;
1513         struct cx23885_tsport *tsport = &dev->ts1;
1514         struct vb2_queue *q;
1515
1516         dprintk(1, "%s()\n", __func__);
1517
1518         if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1519                 return err;
1520
1521         /* Set default TV standard */
1522         dev->encodernorm = cx23885_tvnorms[0];
1523
1524         if (dev->encodernorm.id & V4L2_STD_525_60)
1525                 tsport->height = 480;
1526         else
1527                 tsport->height = 576;
1528
1529         tsport->width = 720;
1530         dev->cxhdl.port = CX2341X_PORT_SERIAL;
1531         err = cx2341x_handler_init(&dev->cxhdl, 50);
1532         if (err)
1533                 return err;
1534         dev->cxhdl.priv = dev;
1535         dev->cxhdl.func = cx23885_api_func;
1536         cx2341x_handler_set_50hz(&dev->cxhdl, tsport->height == 576);
1537         v4l2_ctrl_add_handler(&dev->ctrl_handler, &dev->cxhdl.hdl, NULL);
1538
1539         /* Allocate and initialize V4L video device */
1540         dev->v4l_device = cx23885_video_dev_alloc(tsport,
1541                 dev->pci, &cx23885_mpeg_template, "mpeg");
1542         q = &dev->vb2_mpegq;
1543         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1544         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1545         q->gfp_flags = GFP_DMA32;
1546         q->min_buffers_needed = 2;
1547         q->drv_priv = dev;
1548         q->buf_struct_size = sizeof(struct cx23885_buffer);
1549         q->ops = &cx23885_qops;
1550         q->mem_ops = &vb2_dma_sg_memops;
1551         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1552         q->lock = &dev->lock;
1553
1554         err = vb2_queue_init(q);
1555         if (err < 0)
1556                 return err;
1557         video_set_drvdata(dev->v4l_device, dev);
1558         dev->v4l_device->lock = &dev->lock;
1559         dev->v4l_device->queue = q;
1560         err = video_register_device(dev->v4l_device,
1561                 VFL_TYPE_GRABBER, -1);
1562         if (err < 0) {
1563                 printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
1564                 return err;
1565         }
1566
1567         printk(KERN_INFO "%s: registered device %s [mpeg]\n",
1568                dev->name, video_device_node_name(dev->v4l_device));
1569
1570         /* ST: Configure the encoder paramaters, but don't begin
1571          * encoding, this resolves an issue where the first time the
1572          * encoder is started video can be choppy.
1573          */
1574         cx23885_initialize_codec(dev, 0);
1575
1576         return 0;
1577 }
1578
1579 MODULE_FIRMWARE(CX23885_FIRM_IMAGE_NAME);