1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Motion Eye video4linux driver for Sony Vaio PictureBook 4 * 5 * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net> 6 * 7 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 8 * 9 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 10 * 11 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 12 * 13 * Some parts borrowed from various video4linux drivers, especially 14 * bttv-driver.c and zoran.c, see original files for credits. 15 */ 16 17#ifndef _MEYE_PRIV_H_ 18#define _MEYE_PRIV_H_ 19 20#define MEYE_DRIVER_MAJORVERSION 1 21#define MEYE_DRIVER_MINORVERSION 14 22 23#define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \ 24 __stringify(MEYE_DRIVER_MINORVERSION) 25 26#include <linux/types.h> 27#include <linux/pci.h> 28#include <linux/kfifo.h> 29#include <media/v4l2-ctrls.h> 30 31/****************************************************************************/ 32/* Motion JPEG chip registers */ 33/****************************************************************************/ 34 35/* Motion JPEG chip PCI configuration registers */ 36#define MCHIP_PCI_POWER_CSR 0x54 37#define MCHIP_PCI_MCORE_STATUS 0x60 /* see HIC_STATUS */ 38#define MCHIP_PCI_HOSTUSEREQ_SET 0x64 39#define MCHIP_PCI_HOSTUSEREQ_CLR 0x68 40#define MCHIP_PCI_LOWPOWER_SET 0x6c 41#define MCHIP_PCI_LOWPOWER_CLR 0x70 42#define MCHIP_PCI_SOFTRESET_SET 0x74 43 44/* Motion JPEG chip memory mapped registers */ 45#define MCHIP_MM_REGS 0x200 /* 512 bytes */ 46#define MCHIP_REG_TIMEOUT 1000 /* reg access, ~us */ 47#define MCHIP_MCC_VRJ_TIMEOUT 1000 /* MCC & VRJ access */ 48 49#define MCHIP_MM_PCI_MODE 0x00 /* PCI access mode */ 50#define MCHIP_MM_PCI_MODE_RETRY 0x00000001 /* retry mode */ 51#define MCHIP_MM_PCI_MODE_MASTER 0x00000002 /* master access */ 52#define MCHIP_MM_PCI_MODE_READ_LINE 0x00000004 /* read line */ 53 54#define MCHIP_MM_INTA 0x04 /* Int status/mask */ 55#define MCHIP_MM_INTA_MCC 0x00000001 /* MCC interrupt */ 56#define MCHIP_MM_INTA_VRJ 0x00000002 /* VRJ interrupt */ 57#define MCHIP_MM_INTA_HIC_1 0x00000004 /* one frame done */ 58#define MCHIP_MM_INTA_HIC_1_MASK 0x00000400 /* 1: enable */ 59#define MCHIP_MM_INTA_HIC_END 0x00000008 /* all frames done */ 60#define MCHIP_MM_INTA_HIC_END_MASK 0x00000800 61#define MCHIP_MM_INTA_JPEG 0x00000010 /* decompress. error */ 62#define MCHIP_MM_INTA_JPEG_MASK 0x00001000 63#define MCHIP_MM_INTA_CAPTURE 0x00000020 /* capture end */ 64#define MCHIP_MM_INTA_PCI_ERR 0x00000040 /* PCI error */ 65#define MCHIP_MM_INTA_PCI_ERR_MASK 0x00004000 66 67#define MCHIP_MM_PT_ADDR 0x08 /* page table address*/ 68 /* n*4kB */ 69#define MCHIP_NB_PAGES 1024 /* pages for display */ 70#define MCHIP_NB_PAGES_MJPEG 256 /* pages for mjpeg */ 71 72#define MCHIP_MM_FIR(n) (0x0c+(n)*4) /* Frame info 0-3 */ 73#define MCHIP_MM_FIR_RDY 0x00000001 /* frame ready */ 74#define MCHIP_MM_FIR_FAILFR_MASK 0xf8000000 /* # of failed frames */ 75#define MCHIP_MM_FIR_FAILFR_SHIFT 27 76 77 /* continuous comp/decomp mode */ 78#define MCHIP_MM_FIR_C_ENDL_MASK 0x000007fe /* end DW [10] */ 79#define MCHIP_MM_FIR_C_ENDL_SHIFT 1 80#define MCHIP_MM_FIR_C_ENDP_MASK 0x0007f800 /* end page [8] */ 81#define MCHIP_MM_FIR_C_ENDP_SHIFT 11 82#define MCHIP_MM_FIR_C_STARTP_MASK 0x07f80000 /* start page [8] */ 83#define MCHIP_MM_FIR_C_STARTP_SHIFT 19 84 85 /* continuous picture output mode */ 86#define MCHIP_MM_FIR_O_STARTP_MASK 0x7ffe0000 /* start page [10] */ 87#define MCHIP_MM_FIR_O_STARTP_SHIFT 17 88 89#define MCHIP_MM_FIFO_DATA 0x1c /* PCI TGT FIFO data */ 90#define MCHIP_MM_FIFO_STATUS 0x20 /* PCI TGT FIFO stat */ 91#define MCHIP_MM_FIFO_MASK 0x00000003 92#define MCHIP_MM_FIFO_WAIT_OR_READY 0x00000002 /* Bits common to WAIT & READY*/ 93#define MCHIP_MM_FIFO_IDLE 0x0 /* HIC idle */ 94#define MCHIP_MM_FIFO_IDLE1 0x1 /* idem ??? */ 95#define MCHIP_MM_FIFO_WAIT 0x2 /* wait request */ 96#define MCHIP_MM_FIFO_READY 0x3 /* data ready */ 97 98#define MCHIP_HIC_HOST_USEREQ 0x40 /* host uses MCORE */ 99 100#define MCHIP_HIC_TP_BUSY 0x44 /* taking picture */ 101 102#define MCHIP_HIC_PIC_SAVED 0x48 /* pic in SDRAM */ 103 104#define MCHIP_HIC_LOWPOWER 0x4c /* clock stopped */ 105 106#define MCHIP_HIC_CTL 0x50 /* HIC control */ 107#define MCHIP_HIC_CTL_SOFT_RESET 0x00000001 /* MCORE reset */ 108#define MCHIP_HIC_CTL_MCORE_RDY 0x00000002 /* MCORE ready */ 109 110#define MCHIP_HIC_CMD 0x54 /* HIC command */ 111#define MCHIP_HIC_CMD_BITS 0x00000003 /* cmd width=[1:0]*/ 112#define MCHIP_HIC_CMD_NOOP 0x0 113#define MCHIP_HIC_CMD_START 0x1 114#define MCHIP_HIC_CMD_STOP 0x2 115 116#define MCHIP_HIC_MODE 0x58 117#define MCHIP_HIC_MODE_NOOP 0x0 118#define MCHIP_HIC_MODE_STILL_CAP 0x1 /* still pic capt */ 119#define MCHIP_HIC_MODE_DISPLAY 0x2 /* display */ 120#define MCHIP_HIC_MODE_STILL_COMP 0x3 /* still pic comp. */ 121#define MCHIP_HIC_MODE_STILL_DECOMP 0x4 /* still pic decomp. */ 122#define MCHIP_HIC_MODE_CONT_COMP 0x5 /* cont capt+comp */ 123#define MCHIP_HIC_MODE_CONT_DECOMP 0x6 /* cont decomp+disp */ 124#define MCHIP_HIC_MODE_STILL_OUT 0x7 /* still pic output */ 125#define MCHIP_HIC_MODE_CONT_OUT 0x8 /* cont output */ 126 127#define MCHIP_HIC_STATUS 0x5c 128#define MCHIP_HIC_STATUS_MCC_RDY 0x00000001 /* MCC reg acc ok */ 129#define MCHIP_HIC_STATUS_VRJ_RDY 0x00000002 /* VRJ reg acc ok */ 130#define MCHIP_HIC_STATUS_IDLE 0x00000003 131#define MCHIP_HIC_STATUS_CAPDIS 0x00000004 /* cap/disp in prog */ 132#define MCHIP_HIC_STATUS_COMPDEC 0x00000008 /* (de)comp in prog */ 133#define MCHIP_HIC_STATUS_BUSY 0x00000010 /* HIC busy */ 134 135#define MCHIP_HIC_S_RATE 0x60 /* MJPEG # frames */ 136 137#define MCHIP_HIC_PCI_VFMT 0x64 /* video format */ 138#define MCHIP_HIC_PCI_VFMT_YVYU 0x00000001 /* 0: V Y' U Y */ 139 /* 1: Y' V Y U */ 140 141#define MCHIP_MCC_CMD 0x80 /* MCC commands */ 142#define MCHIP_MCC_CMD_INITIAL 0x0 /* idle ? */ 143#define MCHIP_MCC_CMD_IIC_START_SET 0x1 144#define MCHIP_MCC_CMD_IIC_END_SET 0x2 145#define MCHIP_MCC_CMD_FM_WRITE 0x3 /* frame memory */ 146#define MCHIP_MCC_CMD_FM_READ 0x4 147#define MCHIP_MCC_CMD_FM_STOP 0x5 148#define MCHIP_MCC_CMD_CAPTURE 0x6 149#define MCHIP_MCC_CMD_DISPLAY 0x7 150#define MCHIP_MCC_CMD_END_DISP 0x8 151#define MCHIP_MCC_CMD_STILL_COMP 0x9 152#define MCHIP_MCC_CMD_STILL_DECOMP 0xa 153#define MCHIP_MCC_CMD_STILL_OUTPUT 0xb 154#define MCHIP_MCC_CMD_CONT_OUTPUT 0xc 155#define MCHIP_MCC_CMD_CONT_COMP 0xd 156#define MCHIP_MCC_CMD_CONT_DECOMP 0xe 157#define MCHIP_MCC_CMD_RESET 0xf /* MCC reset */ 158 159#define MCHIP_MCC_IIC_WR 0x84 160 161#define MCHIP_MCC_MCC_WR 0x88 162 163#define MCHIP_MCC_MCC_RD 0x8c 164 165#define MCHIP_MCC_STATUS 0x90 166#define MCHIP_MCC_STATUS_CAPT 0x00000001 /* capturing */ 167#define MCHIP_MCC_STATUS_DISP 0x00000002 /* displaying */ 168#define MCHIP_MCC_STATUS_COMP 0x00000004 /* compressing */ 169#define MCHIP_MCC_STATUS_DECOMP 0x00000008 /* decompressing */ 170#define MCHIP_MCC_STATUS_MCC_WR 0x00000010 /* register ready */ 171#define MCHIP_MCC_STATUS_MCC_RD 0x00000020 /* register ready */ 172#define MCHIP_MCC_STATUS_IIC_WR 0x00000040 /* register ready */ 173#define MCHIP_MCC_STATUS_OUTPUT 0x00000080 /* output in prog */ 174 175#define MCHIP_MCC_SIG_POLARITY 0x94 176#define MCHIP_MCC_SIG_POL_VS_H 0x00000001 /* VS active-high */ 177#define MCHIP_MCC_SIG_POL_HS_H 0x00000002 /* HS active-high */ 178#define MCHIP_MCC_SIG_POL_DOE_H 0x00000004 /* DOE active-high */ 179 180#define MCHIP_MCC_IRQ 0x98 181#define MCHIP_MCC_IRQ_CAPDIS_STRT 0x00000001 /* cap/disp started */ 182#define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK 0x00000010 183#define MCHIP_MCC_IRQ_CAPDIS_END 0x00000002 /* cap/disp ended */ 184#define MCHIP_MCC_IRQ_CAPDIS_END_MASK 0x00000020 185#define MCHIP_MCC_IRQ_COMPDEC_STRT 0x00000004 /* (de)comp started */ 186#define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK 0x00000040 187#define MCHIP_MCC_IRQ_COMPDEC_END 0x00000008 /* (de)comp ended */ 188#define MCHIP_MCC_IRQ_COMPDEC_END_MASK 0x00000080 189 190#define MCHIP_MCC_HSTART 0x9c /* video in */ 191#define MCHIP_MCC_VSTART 0xa0 192#define MCHIP_MCC_HCOUNT 0xa4 193#define MCHIP_MCC_VCOUNT 0xa8 194#define MCHIP_MCC_R_XBASE 0xac /* capt/disp */ 195#define MCHIP_MCC_R_YBASE 0xb0 196#define MCHIP_MCC_R_XRANGE 0xb4 197#define MCHIP_MCC_R_YRANGE 0xb8 198#define MCHIP_MCC_B_XBASE 0xbc /* comp/decomp */ 199#define MCHIP_MCC_B_YBASE 0xc0 200#define MCHIP_MCC_B_XRANGE 0xc4 201#define MCHIP_MCC_B_YRANGE 0xc8 202 203#define MCHIP_MCC_R_SAMPLING 0xcc /* 1: 1:4 */ 204 205#define MCHIP_VRJ_CMD 0x100 /* VRJ commands */ 206 207/* VRJ registers (see table 12.2.4) */ 208#define MCHIP_VRJ_COMPRESSED_DATA 0x1b0 209#define MCHIP_VRJ_PIXEL_DATA 0x1b8 210 211#define MCHIP_VRJ_BUS_MODE 0x100 212#define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL 0x108 213#define MCHIP_VRJ_PDAT_USE 0x110 214#define MCHIP_VRJ_MODE_SPECIFY 0x118 215#define MCHIP_VRJ_LIMIT_COMPRESSED_LO 0x120 216#define MCHIP_VRJ_LIMIT_COMPRESSED_HI 0x124 217#define MCHIP_VRJ_COMP_DATA_FORMAT 0x128 218#define MCHIP_VRJ_TABLE_DATA 0x140 219#define MCHIP_VRJ_RESTART_INTERVAL 0x148 220#define MCHIP_VRJ_NUM_LINES 0x150 221#define MCHIP_VRJ_NUM_PIXELS 0x158 222#define MCHIP_VRJ_NUM_COMPONENTS 0x160 223#define MCHIP_VRJ_SOF1 0x168 224#define MCHIP_VRJ_SOF2 0x170 225#define MCHIP_VRJ_SOF3 0x178 226#define MCHIP_VRJ_SOF4 0x180 227#define MCHIP_VRJ_SOS 0x188 228#define MCHIP_VRJ_SOFT_RESET 0x190 229 230#define MCHIP_VRJ_STATUS 0x1c0 231#define MCHIP_VRJ_STATUS_BUSY 0x00001 232#define MCHIP_VRJ_STATUS_COMP_ACCESS 0x00002 233#define MCHIP_VRJ_STATUS_PIXEL_ACCESS 0x00004 234#define MCHIP_VRJ_STATUS_ERROR 0x00008 235 236#define MCHIP_VRJ_IRQ_FLAG 0x1c8 237#define MCHIP_VRJ_ERROR_REPORT 0x1d8 238 239#define MCHIP_VRJ_START_COMMAND 0x1a0 240 241/****************************************************************************/ 242/* Driver definitions. */ 243/****************************************************************************/ 244 245/* Sony Programmable I/O Controller for accessing the camera commands */ 246#include <linux/sony-laptop.h> 247 248/* private API definitions */ 249#include <linux/meye.h> 250#include <linux/mutex.h> 251 252 253/* Enable jpg software correction */ 254#define MEYE_JPEG_CORRECTION 1 255 256/* Maximum size of a buffer */ 257#define MEYE_MAX_BUFSIZE 614400 /* 640 * 480 * 2 */ 258 259/* Maximum number of buffers */ 260#define MEYE_MAX_BUFNBRS 32 261 262/* State of a buffer */ 263#define MEYE_BUF_UNUSED 0 /* not used */ 264#define MEYE_BUF_USING 1 /* currently grabbing / playing */ 265#define MEYE_BUF_DONE 2 /* done */ 266 267/* grab buffer */ 268struct meye_grab_buffer { 269 int state; /* state of buffer */ 270 unsigned long size; /* size of jpg frame */ 271 u64 ts; /* timestamp */ 272 unsigned long sequence; /* sequence number */ 273}; 274 275/* size of kfifos containing buffer indices */ 276#define MEYE_QUEUE_SIZE MEYE_MAX_BUFNBRS 277 278/* Motion Eye device structure */ 279struct meye { 280 struct v4l2_device v4l2_dev; /* Main v4l2_device struct */ 281 struct v4l2_ctrl_handler hdl; 282 struct pci_dev *mchip_dev; /* pci device */ 283 u8 mchip_irq; /* irq */ 284 u8 mchip_mode; /* actual mchip mode: HIC_MODE... */ 285 u8 mchip_fnum; /* current mchip frame number */ 286 unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */ 287 u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */ 288 void *mchip_ptable_toc; /* mchip: ptable toc */ 289 dma_addr_t mchip_dmahandle; /* mchip: dma handle to ptable toc */ 290 unsigned char *grab_fbuffer; /* capture framebuffer */ 291 unsigned char *grab_temp; /* temporary buffer */ 292 /* list of buffers */ 293 struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS]; 294 int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */ 295 struct mutex lock; /* mutex for open/mmap... */ 296 struct kfifo grabq; /* queue for buffers to be grabbed */ 297 spinlock_t grabq_lock; /* lock protecting the queue */ 298 struct kfifo doneq; /* queue for grabbed buffers */ 299 spinlock_t doneq_lock; /* lock protecting the queue */ 300 wait_queue_head_t proc_list; /* wait queue */ 301 struct video_device vdev; /* video device parameters */ 302 u16 brightness; 303 u16 hue; 304 u16 contrast; 305 u16 colour; 306 struct meye_params params; /* additional parameters */ 307 unsigned long in_use; /* set to 1 if the device is in use */ 308 u8 pm_mchip_mode; /* old mchip mode */ 309}; 310 311#endif 312