drivers/media/video/meye.h

   1 /*
   2  * Motion Eye video4linux driver for Sony Vaio PictureBook
   3  *
   4  * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
   5  *
   6  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
   7  *
   8  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
   9  *
  10  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  11  *
  12  * Some parts borrowed from various video4linux drivers, especially
  13  * bttv-driver.c and zoran.c, see original files for credits.
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  */
  29
  30 #ifndef _MEYE_PRIV_H_
  31 #define _MEYE_PRIV_H_
  32
  33 #define MEYE_DRIVER_MAJORVERSION         1
  34 #define MEYE_DRIVER_MINORVERSION        13
  35
  36 #define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \
  37                             __stringify(MEYE_DRIVER_MINORVERSION)
  38
  39 #include <linux/config.h>
  40 #include <linux/types.h>
  41 #include <linux/pci.h>
  42 #include <linux/kfifo.h>
  43
  44 /****************************************************************************/
  45 /* Motion JPEG chip registers                                               */
  46 /****************************************************************************/
  47
  48 /* Motion JPEG chip PCI configuration registers */
  49 #define MCHIP_PCI_POWER_CSR             0x54
  50 #define MCHIP_PCI_MCORE_STATUS          0x60            /* see HIC_STATUS   */
  51 #define MCHIP_PCI_HOSTUSEREQ_SET        0x64
  52 #define MCHIP_PCI_HOSTUSEREQ_CLR        0x68
  53 #define MCHIP_PCI_LOWPOWER_SET          0x6c
  54 #define MCHIP_PCI_LOWPOWER_CLR          0x70
  55 #define MCHIP_PCI_SOFTRESET_SET         0x74
  56
  57 /* Motion JPEG chip memory mapped registers */
  58 #define MCHIP_MM_REGS                   0x200           /* 512 bytes        */
  59 #define MCHIP_REG_TIMEOUT               1000            /* reg access, ~us  */
  60 #define MCHIP_MCC_VRJ_TIMEOUT           1000            /* MCC & VRJ access */
  61
  62 #define MCHIP_MM_PCI_MODE               0x00            /* PCI access mode */
  63 #define MCHIP_MM_PCI_MODE_RETRY         0x00000001      /* retry mode */
  64 #define MCHIP_MM_PCI_MODE_MASTER        0x00000002      /* master access */
  65 #define MCHIP_MM_PCI_MODE_READ_LINE     0x00000004      /* read line */
  66
  67 #define MCHIP_MM_INTA                   0x04            /* Int status/mask */
  68 #define MCHIP_MM_INTA_MCC               0x00000001      /* MCC interrupt */
  69 #define MCHIP_MM_INTA_VRJ               0x00000002      /* VRJ interrupt */
  70 #define MCHIP_MM_INTA_HIC_1             0x00000004      /* one frame done */
  71 #define MCHIP_MM_INTA_HIC_1_MASK        0x00000400      /* 1: enable */
  72 #define MCHIP_MM_INTA_HIC_END           0x00000008      /* all frames done */
  73 #define MCHIP_MM_INTA_HIC_END_MASK      0x00000800
  74 #define MCHIP_MM_INTA_JPEG              0x00000010      /* decompress. error */
  75 #define MCHIP_MM_INTA_JPEG_MASK         0x00001000
  76 #define MCHIP_MM_INTA_CAPTURE           0x00000020      /* capture end */
  77 #define MCHIP_MM_INTA_PCI_ERR           0x00000040      /* PCI error */
  78 #define MCHIP_MM_INTA_PCI_ERR_MASK      0x00004000
  79
  80 #define MCHIP_MM_PT_ADDR                0x08            /* page table address*/
  81                                                         /* n*4kB */
  82 #define MCHIP_NB_PAGES                  1024            /* pages for display */
  83 #define MCHIP_NB_PAGES_MJPEG            256             /* pages for mjpeg */
  84
  85 #define MCHIP_MM_FIR(n)                 (0x0c+(n)*4)    /* Frame info 0-3 */
  86 #define MCHIP_MM_FIR_RDY                0x00000001      /* frame ready */
  87 #define MCHIP_MM_FIR_FAILFR_MASK        0xf8000000      /* # of failed frames */
  88 #define MCHIP_MM_FIR_FAILFR_SHIFT       27
  89
  90         /* continuous comp/decomp mode */
  91 #define MCHIP_MM_FIR_C_ENDL_MASK        0x000007fe      /* end DW [10] */
  92 #define MCHIP_MM_FIR_C_ENDL_SHIFT       1
  93 #define MCHIP_MM_FIR_C_ENDP_MASK        0x0007f800      /* end page [8] */
  94 #define MCHIP_MM_FIR_C_ENDP_SHIFT       11
  95 #define MCHIP_MM_FIR_C_STARTP_MASK      0x07f80000      /* start page [8] */
  96 #define MCHIP_MM_FIR_C_STARTP_SHIFT     19
  97
  98         /* continuous picture output mode */
  99 #define MCHIP_MM_FIR_O_STARTP_MASK      0x7ffe0000      /* start page [10] */
 100 #define MCHIP_MM_FIR_O_STARTP_SHIFT     17
 101
 102 #define MCHIP_MM_FIFO_DATA              0x1c            /* PCI TGT FIFO data */
 103 #define MCHIP_MM_FIFO_STATUS            0x20            /* PCI TGT FIFO stat */
 104 #define MCHIP_MM_FIFO_MASK              0x00000003
 105 #define MCHIP_MM_FIFO_WAIT_OR_READY     0x00000002      /* Bits common to WAIT & READY*/
 106 #define MCHIP_MM_FIFO_IDLE              0x0             /* HIC idle */
 107 #define MCHIP_MM_FIFO_IDLE1             0x1             /* idem ??? */
 108 #define MCHIP_MM_FIFO_WAIT              0x2             /* wait request */
 109 #define MCHIP_MM_FIFO_READY             0x3             /* data ready */
 110
 111 #define MCHIP_HIC_HOST_USEREQ           0x40            /* host uses MCORE */
 112
 113 #define MCHIP_HIC_TP_BUSY               0x44            /* taking picture */
 114
 115 #define MCHIP_HIC_PIC_SAVED             0x48            /* pic in SDRAM */
 116
 117 #define MCHIP_HIC_LOWPOWER              0x4c            /* clock stopped */
 118
 119 #define MCHIP_HIC_CTL                   0x50            /* HIC control */
 120 #define MCHIP_HIC_CTL_SOFT_RESET        0x00000001      /* MCORE reset */
 121 #define MCHIP_HIC_CTL_MCORE_RDY         0x00000002      /* MCORE ready */
 122
 123 #define MCHIP_HIC_CMD                   0x54            /* HIC command */
 124 #define MCHIP_HIC_CMD_BITS              0x00000003      /* cmd width=[1:0]*/
 125 #define MCHIP_HIC_CMD_NOOP              0x0
 126 #define MCHIP_HIC_CMD_START             0x1
 127 #define MCHIP_HIC_CMD_STOP              0x2
 128
 129 #define MCHIP_HIC_MODE                  0x58
 130 #define MCHIP_HIC_MODE_NOOP             0x0
 131 #define MCHIP_HIC_MODE_STILL_CAP        0x1             /* still pic capt */
 132 #define MCHIP_HIC_MODE_DISPLAY          0x2             /* display */
 133 #define MCHIP_HIC_MODE_STILL_COMP       0x3             /* still pic comp. */
 134 #define MCHIP_HIC_MODE_STILL_DECOMP     0x4             /* still pic decomp. */
 135 #define MCHIP_HIC_MODE_CONT_COMP        0x5             /* cont capt+comp */
 136 #define MCHIP_HIC_MODE_CONT_DECOMP      0x6             /* cont decomp+disp */
 137 #define MCHIP_HIC_MODE_STILL_OUT        0x7             /* still pic output */
 138 #define MCHIP_HIC_MODE_CONT_OUT         0x8             /* cont output */
 139
 140 #define MCHIP_HIC_STATUS                0x5c
 141 #define MCHIP_HIC_STATUS_MCC_RDY        0x00000001      /* MCC reg acc ok */
 142 #define MCHIP_HIC_STATUS_VRJ_RDY        0x00000002      /* VRJ reg acc ok */
 143 #define MCHIP_HIC_STATUS_IDLE           0x00000003
 144 #define MCHIP_HIC_STATUS_CAPDIS         0x00000004      /* cap/disp in prog */
 145 #define MCHIP_HIC_STATUS_COMPDEC        0x00000008      /* (de)comp in prog */
 146 #define MCHIP_HIC_STATUS_BUSY           0x00000010      /* HIC busy */
 147
 148 #define MCHIP_HIC_S_RATE                0x60            /* MJPEG # frames */
 149
 150 #define MCHIP_HIC_PCI_VFMT              0x64            /* video format */
 151 #define MCHIP_HIC_PCI_VFMT_YVYU         0x00000001      /* 0: V Y' U Y */
 152                                                         /* 1: Y' V Y U */
 153
 154 #define MCHIP_MCC_CMD                   0x80            /* MCC commands */
 155 #define MCHIP_MCC_CMD_INITIAL           0x0             /* idle ? */
 156 #define MCHIP_MCC_CMD_IIC_START_SET     0x1
 157 #define MCHIP_MCC_CMD_IIC_END_SET       0x2
 158 #define MCHIP_MCC_CMD_FM_WRITE          0x3             /* frame memory */
 159 #define MCHIP_MCC_CMD_FM_READ           0x4
 160 #define MCHIP_MCC_CMD_FM_STOP           0x5
 161 #define MCHIP_MCC_CMD_CAPTURE           0x6
 162 #define MCHIP_MCC_CMD_DISPLAY           0x7
 163 #define MCHIP_MCC_CMD_END_DISP          0x8
 164 #define MCHIP_MCC_CMD_STILL_COMP        0x9
 165 #define MCHIP_MCC_CMD_STILL_DECOMP      0xa
 166 #define MCHIP_MCC_CMD_STILL_OUTPUT      0xb
 167 #define MCHIP_MCC_CMD_CONT_OUTPUT       0xc
 168 #define MCHIP_MCC_CMD_CONT_COMP         0xd
 169 #define MCHIP_MCC_CMD_CONT_DECOMP       0xe
 170 #define MCHIP_MCC_CMD_RESET             0xf             /* MCC reset */
 171
 172 #define MCHIP_MCC_IIC_WR                0x84
 173
 174 #define MCHIP_MCC_MCC_WR                0x88
 175
 176 #define MCHIP_MCC_MCC_RD                0x8c
 177
 178 #define MCHIP_MCC_STATUS                0x90
 179 #define MCHIP_MCC_STATUS_CAPT           0x00000001      /* capturing */
 180 #define MCHIP_MCC_STATUS_DISP           0x00000002      /* displaying */
 181 #define MCHIP_MCC_STATUS_COMP           0x00000004      /* compressing */
 182 #define MCHIP_MCC_STATUS_DECOMP         0x00000008      /* decompressing */
 183 #define MCHIP_MCC_STATUS_MCC_WR         0x00000010      /* register ready */
 184 #define MCHIP_MCC_STATUS_MCC_RD         0x00000020      /* register ready */
 185 #define MCHIP_MCC_STATUS_IIC_WR         0x00000040      /* register ready */
 186 #define MCHIP_MCC_STATUS_OUTPUT         0x00000080      /* output in prog */
 187
 188 #define MCHIP_MCC_SIG_POLARITY          0x94
 189 #define MCHIP_MCC_SIG_POL_VS_H          0x00000001      /* VS active-high */
 190 #define MCHIP_MCC_SIG_POL_HS_H          0x00000002      /* HS active-high */
 191 #define MCHIP_MCC_SIG_POL_DOE_H         0x00000004      /* DOE active-high */
 192
 193 #define MCHIP_MCC_IRQ                   0x98
 194 #define MCHIP_MCC_IRQ_CAPDIS_STRT       0x00000001      /* cap/disp started */
 195 #define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK  0x00000010
 196 #define MCHIP_MCC_IRQ_CAPDIS_END        0x00000002      /* cap/disp ended */
 197 #define MCHIP_MCC_IRQ_CAPDIS_END_MASK   0x00000020
 198 #define MCHIP_MCC_IRQ_COMPDEC_STRT      0x00000004      /* (de)comp started */
 199 #define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK 0x00000040
 200 #define MCHIP_MCC_IRQ_COMPDEC_END       0x00000008      /* (de)comp ended */
 201 #define MCHIP_MCC_IRQ_COMPDEC_END_MASK  0x00000080
 202
 203 #define MCHIP_MCC_HSTART                0x9c            /* video in */
 204 #define MCHIP_MCC_VSTART                0xa0
 205 #define MCHIP_MCC_HCOUNT                0xa4
 206 #define MCHIP_MCC_VCOUNT                0xa8
 207 #define MCHIP_MCC_R_XBASE               0xac            /* capt/disp */
 208 #define MCHIP_MCC_R_YBASE               0xb0
 209 #define MCHIP_MCC_R_XRANGE              0xb4
 210 #define MCHIP_MCC_R_YRANGE              0xb8
 211 #define MCHIP_MCC_B_XBASE               0xbc            /* comp/decomp */
 212 #define MCHIP_MCC_B_YBASE               0xc0
 213 #define MCHIP_MCC_B_XRANGE              0xc4
 214 #define MCHIP_MCC_B_YRANGE              0xc8
 215
 216 #define MCHIP_MCC_R_SAMPLING            0xcc            /* 1: 1:4 */
 217
 218 #define MCHIP_VRJ_CMD                   0x100           /* VRJ commands */
 219
 220 /* VRJ registers (see table 12.2.4) */
 221 #define MCHIP_VRJ_COMPRESSED_DATA       0x1b0
 222 #define MCHIP_VRJ_PIXEL_DATA            0x1b8
 223
 224 #define MCHIP_VRJ_BUS_MODE              0x100
 225 #define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL   0x108
 226 #define MCHIP_VRJ_PDAT_USE              0x110
 227 #define MCHIP_VRJ_MODE_SPECIFY          0x118
 228 #define MCHIP_VRJ_LIMIT_COMPRESSED_LO   0x120
 229 #define MCHIP_VRJ_LIMIT_COMPRESSED_HI   0x124
 230 #define MCHIP_VRJ_COMP_DATA_FORMAT      0x128
 231 #define MCHIP_VRJ_TABLE_DATA            0x140
 232 #define MCHIP_VRJ_RESTART_INTERVAL      0x148
 233 #define MCHIP_VRJ_NUM_LINES             0x150
 234 #define MCHIP_VRJ_NUM_PIXELS            0x158
 235 #define MCHIP_VRJ_NUM_COMPONENTS        0x160
 236 #define MCHIP_VRJ_SOF1                  0x168
 237 #define MCHIP_VRJ_SOF2                  0x170
 238 #define MCHIP_VRJ_SOF3                  0x178
 239 #define MCHIP_VRJ_SOF4                  0x180
 240 #define MCHIP_VRJ_SOS                   0x188
 241 #define MCHIP_VRJ_SOFT_RESET            0x190
 242
 243 #define MCHIP_VRJ_STATUS                0x1c0
 244 #define MCHIP_VRJ_STATUS_BUSY           0x00001
 245 #define MCHIP_VRJ_STATUS_COMP_ACCESS    0x00002
 246 #define MCHIP_VRJ_STATUS_PIXEL_ACCESS   0x00004
 247 #define MCHIP_VRJ_STATUS_ERROR          0x00008
 248
 249 #define MCHIP_VRJ_IRQ_FLAG              0x1c8
 250 #define MCHIP_VRJ_ERROR_REPORT          0x1d8
 251
 252 #define MCHIP_VRJ_START_COMMAND         0x1a0
 253
 254 /****************************************************************************/
 255 /* Driver definitions.                                                      */
 256 /****************************************************************************/
 257
 258 /* Sony Programmable I/O Controller for accessing the camera commands */
 259 #include <linux/sonypi.h>
 260
 261 /* private API definitions */
 262 #include <linux/meye.h>
 263
 264 /* Enable jpg software correction */
 265 #define MEYE_JPEG_CORRECTION    1
 266
 267 /* Maximum size of a buffer */
 268 #define MEYE_MAX_BUFSIZE        614400  /* 640 * 480 * 2 */
 269
 270 /* Maximum number of buffers */
 271 #define MEYE_MAX_BUFNBRS        32
 272
 273 /* State of a buffer */
 274 #define MEYE_BUF_UNUSED 0       /* not used */
 275 #define MEYE_BUF_USING  1       /* currently grabbing / playing */
 276 #define MEYE_BUF_DONE   2       /* done */
 277
 278 /* grab buffer */
 279 struct meye_grab_buffer {
 280         int state;                      /* state of buffer */
 281         unsigned long size;             /* size of jpg frame */
 282         struct timeval timestamp;       /* timestamp */
 283         unsigned long sequence;         /* sequence number */
 284 };
 285
 286 /* size of kfifos containings buffer indices */
 287 #define MEYE_QUEUE_SIZE MEYE_MAX_BUFNBRS
 288
 289 /* Motion Eye device structure */
 290 struct meye {
 291         struct pci_dev *mchip_dev;      /* pci device */
 292         u8 mchip_irq;                   /* irq */
 293         u8 mchip_mode;                  /* actual mchip mode: HIC_MODE... */
 294         u8 mchip_fnum;                  /* current mchip frame number */
 295         unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */
 296         u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */
 297         void *mchip_ptable_toc;         /* mchip: ptable toc */
 298         dma_addr_t mchip_dmahandle;     /* mchip: dma handle to ptable toc */
 299         unsigned char *grab_fbuffer;    /* capture framebuffer */
 300         unsigned char *grab_temp;       /* temporary buffer */
 301                                         /* list of buffers */
 302         struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
 303         int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
 304         struct semaphore lock;          /* semaphore for open/mmap... */
 305         struct kfifo *grabq;            /* queue for buffers to be grabbed */
 306         spinlock_t grabq_lock;          /* lock protecting the queue */
 307         struct kfifo *doneq;            /* queue for grabbed buffers */
 308         spinlock_t doneq_lock;          /* lock protecting the queue */
 309         wait_queue_head_t proc_list;    /* wait queue */
 310         struct video_device *video_dev; /* video device parameters */
 311         struct video_picture picture;   /* video picture parameters */
 312         struct meye_params params;      /* additional parameters */
 313 #ifdef CONFIG_PM
 314         u8 pm_mchip_mode;               /* old mchip mode */
 315 #endif
 316 };
 317
 318 #endif