drivers/media/pci/solo6x10/solo6x10.h

   1 /*
   2  * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
   3  *
   4  * Original author:
   5  * Ben Collins <bcollins@ubuntu.com>
   6  *
   7  * Additional work by:
   8  * John Brooks <john.brooks@bluecherry.net>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #ifndef __SOLO6X10_H
  22 #define __SOLO6X10_H
  23
  24 #include <linux/pci.h>
  25 #include <linux/i2c.h>
  26 #include <linux/mutex.h>
  27 #include <linux/list.h>
  28 #include <linux/wait.h>
  29 #include <linux/stringify.h>
  30 #include <linux/io.h>
  31 #include <linux/atomic.h>
  32 #include <linux/slab.h>
  33 #include <linux/videodev2.h>
  34 #include <linux/gpio/driver.h>
  35
  36 #include <media/v4l2-dev.h>
  37 #include <media/v4l2-device.h>
  38 #include <media/v4l2-ctrls.h>
  39 #include <media/videobuf2-v4l2.h>
  40
  41 #include "solo6x10-regs.h"
  42
  43 #ifndef PCI_VENDOR_ID_SOFTLOGIC
  44 #define PCI_VENDOR_ID_SOFTLOGIC         0x9413
  45 #define PCI_DEVICE_ID_SOLO6010          0x6010
  46 #define PCI_DEVICE_ID_SOLO6110          0x6110
  47 #endif
  48
  49 #ifndef PCI_VENDOR_ID_BLUECHERRY
  50 #define PCI_VENDOR_ID_BLUECHERRY        0x1BB3
  51 /* Neugent Softlogic 6010 based cards */
  52 #define PCI_DEVICE_ID_NEUSOLO_4         0x4304
  53 #define PCI_DEVICE_ID_NEUSOLO_9         0x4309
  54 #define PCI_DEVICE_ID_NEUSOLO_16        0x4310
  55 /* Bluecherry Softlogic 6010 based cards */
  56 #define PCI_DEVICE_ID_BC_SOLO_4         0x4E04
  57 #define PCI_DEVICE_ID_BC_SOLO_9         0x4E09
  58 #define PCI_DEVICE_ID_BC_SOLO_16        0x4E10
  59 /* Bluecherry Softlogic 6110 based cards */
  60 #define PCI_DEVICE_ID_BC_6110_4         0x5304
  61 #define PCI_DEVICE_ID_BC_6110_8         0x5308
  62 #define PCI_DEVICE_ID_BC_6110_16        0x5310
  63 #endif /* Bluecherry */
  64
  65 /* Used in pci_device_id, and solo_dev->type */
  66 #define SOLO_DEV_6010                   0
  67 #define SOLO_DEV_6110                   1
  68
  69 #define SOLO6X10_NAME                   "solo6x10"
  70
  71 #define SOLO_MAX_CHANNELS               16
  72
  73 #define SOLO6X10_VERSION                "3.0.0"
  74
  75 /*
  76  * The SOLO6x10 actually has 8 i2c channels, but we only use 2.
  77  * 0 - Techwell chip(s)
  78  * 1 - SAA7128
  79  */
  80 #define SOLO_I2C_ADAPTERS               2
  81 #define SOLO_I2C_TW                     0
  82 #define SOLO_I2C_SAA                    1
  83
  84 /* DMA Engine setup */
  85 #define SOLO_NR_P2M                     4
  86 #define SOLO_NR_P2M_DESC                256
  87 #define SOLO_P2M_DESC_SIZE              (SOLO_NR_P2M_DESC * 16)
  88
  89 /* Encoder standard modes */
  90 #define SOLO_ENC_MODE_CIF               2
  91 #define SOLO_ENC_MODE_HD1               1
  92 #define SOLO_ENC_MODE_D1                9
  93
  94 #define SOLO_DEFAULT_QP                 3
  95
  96 #define SOLO_CID_CUSTOM_BASE            (V4L2_CID_USER_BASE | 0xf000)
  97 #define V4L2_CID_MOTION_TRACE           (SOLO_CID_CUSTOM_BASE+2)
  98 #define V4L2_CID_OSD_TEXT               (SOLO_CID_CUSTOM_BASE+3)
  99
 100 /*
 101  * Motion thresholds are in a table of 64x64 samples, with
 102  * each sample representing 16x16 pixels of the source. In
 103  * effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
 104  * The 5th sample on the 10th row is (10*64)+5 = 645.
 105  *
 106  * Internally it is stored as a 45x45 array (45*16 = 720, which is the
 107  * maximum PAL/NTSC width).
 108  */
 109 #define SOLO_MOTION_SZ (45)
 110
 111 enum SOLO_I2C_STATE {
 112         IIC_STATE_IDLE,
 113         IIC_STATE_START,
 114         IIC_STATE_READ,
 115         IIC_STATE_WRITE,
 116         IIC_STATE_STOP
 117 };
 118
 119 /* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
 120 struct solo_p2m_desc {
 121         u32     ctrl;
 122         u32     cfg;
 123         u32     dma_addr;
 124         u32     ext_addr;
 125 };
 126
 127 struct solo_p2m_dev {
 128         struct mutex            mutex;
 129         struct completion       completion;
 130         int                     desc_count;
 131         int                     desc_idx;
 132         struct solo_p2m_desc    *descs;
 133         int                     error;
 134 };
 135
 136 #define OSD_TEXT_MAX            44
 137
 138 struct solo_vb2_buf {
 139         struct vb2_v4l2_buffer vb;
 140         struct list_head list;
 141 };
 142
 143 enum solo_enc_types {
 144         SOLO_ENC_TYPE_STD,
 145         SOLO_ENC_TYPE_EXT,
 146 };
 147
 148 struct solo_enc_dev {
 149         struct solo_dev *solo_dev;
 150         /* V4L2 Items */
 151         struct v4l2_ctrl_handler hdl;
 152         struct v4l2_ctrl *md_thresholds;
 153         struct video_device     *vfd;
 154         /* General accounting */
 155         struct mutex            lock;
 156         spinlock_t              motion_lock;
 157         u8                      ch;
 158         u8                      mode, gop, qp, interlaced, interval;
 159         u8                      bw_weight;
 160         u16                     motion_thresh;
 161         bool                    motion_global;
 162         bool                    motion_enabled;
 163         u16                     width;
 164         u16                     height;
 165
 166         /* OSD buffers */
 167         char                    osd_text[OSD_TEXT_MAX + 1];
 168         u8                      osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
 169                                         __aligned(4);
 170
 171         /* VOP stuff */
 172         u8                      vop[64];
 173         int                     vop_len;
 174         u8                      jpeg_header[1024];
 175         int                     jpeg_len;
 176
 177         u32                     fmt;
 178         enum solo_enc_types     type;
 179         u32                     sequence;
 180         struct vb2_queue        vidq;
 181         struct list_head        vidq_active;
 182         int                     desc_count;
 183         int                     desc_nelts;
 184         struct solo_p2m_desc    *desc_items;
 185         dma_addr_t              desc_dma;
 186         spinlock_t              av_lock;
 187 };
 188
 189 /* The SOLO6x10 PCI Device */
 190 struct solo_dev {
 191         /* General stuff */
 192         struct pci_dev          *pdev;
 193         int                     type;
 194         unsigned int            time_sync;
 195         unsigned int            usec_lsb;
 196         unsigned int            clock_mhz;
 197         u8 __iomem              *reg_base;
 198         int                     nr_chans;
 199         int                     nr_ext;
 200         u32                     irq_mask;
 201         u32                     motion_mask;
 202         struct v4l2_device      v4l2_dev;
 203 #ifdef CONFIG_GPIOLIB
 204         /* GPIO */
 205         struct gpio_chip        gpio_dev;
 206 #endif
 207
 208         /* tw28xx accounting */
 209         u8                      tw2865, tw2864, tw2815;
 210         u8                      tw28_cnt;
 211
 212         /* i2c related items */
 213         struct i2c_adapter      i2c_adap[SOLO_I2C_ADAPTERS];
 214         enum SOLO_I2C_STATE     i2c_state;
 215         struct mutex            i2c_mutex;
 216         int                     i2c_id;
 217         wait_queue_head_t       i2c_wait;
 218         struct i2c_msg          *i2c_msg;
 219         unsigned int            i2c_msg_num;
 220         unsigned int            i2c_msg_ptr;
 221
 222         /* P2M DMA Engine */
 223         struct solo_p2m_dev     p2m_dev[SOLO_NR_P2M];
 224         atomic_t                p2m_count;
 225         int                     p2m_jiffies;
 226         unsigned int            p2m_timeouts;
 227
 228         /* V4L2 Display items */
 229         struct video_device     *vfd;
 230         unsigned int            erasing;
 231         unsigned int            frame_blank;
 232         u8                      cur_disp_ch;
 233         wait_queue_head_t       disp_thread_wait;
 234         struct v4l2_ctrl_handler disp_hdl;
 235
 236         /* V4L2 Encoder items */
 237         struct solo_enc_dev     *v4l2_enc[SOLO_MAX_CHANNELS];
 238         u16                     enc_bw_remain;
 239         /* IDX into hw mp4 encoder */
 240         u8                      enc_idx;
 241
 242         /* Current video settings */
 243         u32                     video_type;
 244         u16                     video_hsize, video_vsize;
 245         u16                     vout_hstart, vout_vstart;
 246         u16                     vin_hstart, vin_vstart;
 247         u8                      fps;
 248
 249         /* JPEG Qp setting */
 250         spinlock_t      jpeg_qp_lock;
 251         u32             jpeg_qp[2];
 252
 253         /* Audio components */
 254         struct snd_card         *snd_card;
 255         struct snd_pcm          *snd_pcm;
 256         atomic_t                snd_users;
 257         int                     g723_hw_idx;
 258
 259         /* sysfs stuffs */
 260         struct device           dev;
 261         int                     sdram_size;
 262         struct bin_attribute    sdram_attr;
 263         unsigned int            sys_config;
 264
 265         /* Ring thread */
 266         struct task_struct      *ring_thread;
 267         wait_queue_head_t       ring_thread_wait;
 268
 269         /* VOP_HEADER handling */
 270         void                    *vh_buf;
 271         dma_addr_t              vh_dma;
 272         int                     vh_size;
 273
 274         /* Buffer handling */
 275         struct vb2_queue        vidq;
 276         u32                     sequence;
 277         struct task_struct      *kthread;
 278         struct mutex            lock;
 279         spinlock_t              slock;
 280         int                     old_write;
 281         struct list_head        vidq_active;
 282 };
 283
 284 static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
 285 {
 286         return readl(solo_dev->reg_base + reg);
 287 }
 288
 289 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
 290                                   u32 data)
 291 {
 292         u16 val;
 293
 294         writel(data, solo_dev->reg_base + reg);
 295         pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 296 }
 297
 298 static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
 299 {
 300         dev->irq_mask |= mask;
 301         solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
 302 }
 303
 304 static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
 305 {
 306         dev->irq_mask &= ~mask;
 307         solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
 308 }
 309
 310 /* Init/exit routines for subsystems */
 311 int solo_disp_init(struct solo_dev *solo_dev);
 312 void solo_disp_exit(struct solo_dev *solo_dev);
 313
 314 int solo_gpio_init(struct solo_dev *solo_dev);
 315 void solo_gpio_exit(struct solo_dev *solo_dev);
 316
 317 int solo_i2c_init(struct solo_dev *solo_dev);
 318 void solo_i2c_exit(struct solo_dev *solo_dev);
 319
 320 int solo_p2m_init(struct solo_dev *solo_dev);
 321 void solo_p2m_exit(struct solo_dev *solo_dev);
 322
 323 int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
 324 void solo_v4l2_exit(struct solo_dev *solo_dev);
 325
 326 int solo_enc_init(struct solo_dev *solo_dev);
 327 void solo_enc_exit(struct solo_dev *solo_dev);
 328
 329 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
 330 void solo_enc_v4l2_exit(struct solo_dev *solo_dev);
 331
 332 int solo_g723_init(struct solo_dev *solo_dev);
 333 void solo_g723_exit(struct solo_dev *solo_dev);
 334
 335 /* ISR's */
 336 int solo_i2c_isr(struct solo_dev *solo_dev);
 337 void solo_p2m_isr(struct solo_dev *solo_dev, int id);
 338 void solo_p2m_error_isr(struct solo_dev *solo_dev);
 339 void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
 340 void solo_g723_isr(struct solo_dev *solo_dev);
 341 void solo_motion_isr(struct solo_dev *solo_dev);
 342 void solo_video_in_isr(struct solo_dev *solo_dev);
 343
 344 /* i2c read/write */
 345 u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
 346 void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
 347                         u8 data);
 348
 349 /* P2M DMA */
 350 int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr,
 351                    dma_addr_t dma_addr, u32 ext_addr, u32 size,
 352                    int repeat, u32 ext_size);
 353 int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
 354                  void *sys_addr, u32 ext_addr, u32 size,
 355                  int repeat, u32 ext_size);
 356 void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr,
 357                         dma_addr_t dma_addr, u32 ext_addr, u32 size,
 358                         int repeat, u32 ext_size);
 359 int solo_p2m_dma_desc(struct solo_dev *solo_dev,
 360                       struct solo_p2m_desc *desc, dma_addr_t desc_dma,
 361                       int desc_cnt);
 362
 363 /* Global s_std ioctl */
 364 int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz);
 365 void solo_update_mode(struct solo_enc_dev *solo_enc);
 366
 367 /* Set the threshold for motion detection */
 368 int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
 369 int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
 370                 const u16 *thresholds);
 371 #define SOLO_DEF_MOT_THRESH             0x0300
 372
 373 /* Write text on OSD */
 374 int solo_osd_print(struct solo_enc_dev *solo_enc);
 375
 376 /* EEPROM commands */
 377 unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
 378 __be16 solo_eeprom_read(struct solo_dev *solo_dev, int loc);
 379 int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
 380                       __be16 data);
 381
 382 /* JPEG Qp functions */
 383 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
 384                     unsigned int qp);
 385 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);
 386
 387 #define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))
 388
 389 #endif /* __SOLO6X10_H */