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
  35 #include <media/v4l2-dev.h>
  36 #include <media/v4l2-device.h>
  37 #include <media/v4l2-ctrls.h>
  38 #include <media/videobuf2-core.h>
  39
  40 #include "solo6x10-regs.h"
  41
  42 #ifndef PCI_VENDOR_ID_SOFTLOGIC
  43 #define PCI_VENDOR_ID_SOFTLOGIC         0x9413
  44 #define PCI_DEVICE_ID_SOLO6010          0x6010
  45 #define PCI_DEVICE_ID_SOLO6110          0x6110
  46 #endif
  47
  48 #ifndef PCI_VENDOR_ID_BLUECHERRY
  49 #define PCI_VENDOR_ID_BLUECHERRY        0x1BB3
  50 /* Neugent Softlogic 6010 based cards */
  51 #define PCI_DEVICE_ID_NEUSOLO_4         0x4304
  52 #define PCI_DEVICE_ID_NEUSOLO_9         0x4309
  53 #define PCI_DEVICE_ID_NEUSOLO_16        0x4310
  54 /* Bluecherry Softlogic 6010 based cards */
  55 #define PCI_DEVICE_ID_BC_SOLO_4         0x4E04
  56 #define PCI_DEVICE_ID_BC_SOLO_9         0x4E09
  57 #define PCI_DEVICE_ID_BC_SOLO_16        0x4E10
  58 /* Bluecherry Softlogic 6110 based cards */
  59 #define PCI_DEVICE_ID_BC_6110_4         0x5304
  60 #define PCI_DEVICE_ID_BC_6110_8         0x5308
  61 #define PCI_DEVICE_ID_BC_6110_16        0x5310
  62 #endif /* Bluecherry */
  63
  64 /* Used in pci_device_id, and solo_dev->type */
  65 #define SOLO_DEV_6010                   0
  66 #define SOLO_DEV_6110                   1
  67
  68 #define SOLO6X10_NAME                   "solo6x10"
  69
  70 #define SOLO_MAX_CHANNELS               16
  71
  72 #define SOLO6X10_VERSION                "3.0.0"
  73
  74 /*
  75  * The SOLO6x10 actually has 8 i2c channels, but we only use 2.
  76  * 0 - Techwell chip(s)
  77  * 1 - SAA7128
  78  */
  79 #define SOLO_I2C_ADAPTERS               2
  80 #define SOLO_I2C_TW                     0
  81 #define SOLO_I2C_SAA                    1
  82
  83 /* DMA Engine setup */
  84 #define SOLO_NR_P2M                     4
  85 #define SOLO_NR_P2M_DESC                256
  86 #define SOLO_P2M_DESC_SIZE              (SOLO_NR_P2M_DESC * 16)
  87
  88 /* Encoder standard modes */
  89 #define SOLO_ENC_MODE_CIF               2
  90 #define SOLO_ENC_MODE_HD1               1
  91 #define SOLO_ENC_MODE_D1                9
  92
  93 #define SOLO_DEFAULT_QP                 3
  94
  95 #define SOLO_CID_CUSTOM_BASE            (V4L2_CID_USER_BASE | 0xf000)
  96 #define V4L2_CID_MOTION_TRACE           (SOLO_CID_CUSTOM_BASE+2)
  97 #define V4L2_CID_OSD_TEXT               (SOLO_CID_CUSTOM_BASE+3)
  98
  99 /*
 100  * Motion thresholds are in a table of 64x64 samples, with
 101  * each sample representing 16x16 pixels of the source. In
 102  * effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
 103  * The 5th sample on the 10th row is (10*64)+5 = 645.
 104  *
 105  * Internally it is stored as a 45x45 array (45*16 = 720, which is the
 106  * maximum PAL/NTSC width).
 107  */
 108 #define SOLO_MOTION_SZ (45)
 109
 110 enum SOLO_I2C_STATE {
 111         IIC_STATE_IDLE,
 112         IIC_STATE_START,
 113         IIC_STATE_READ,
 114         IIC_STATE_WRITE,
 115         IIC_STATE_STOP
 116 };
 117
 118 /* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
 119 struct solo_p2m_desc {
 120         u32     ctrl;
 121         u32     cfg;
 122         u32     dma_addr;
 123         u32     ext_addr;
 124 };
 125
 126 struct solo_p2m_dev {
 127         struct mutex            mutex;
 128         struct completion       completion;
 129         int                     desc_count;
 130         int                     desc_idx;
 131         struct solo_p2m_desc    *descs;
 132         int                     error;
 133 };
 134
 135 #define OSD_TEXT_MAX            44
 136
 137 struct solo_vb2_buf {
 138         struct vb2_buffer vb;
 139         struct list_head list;
 140 };
 141
 142 enum solo_enc_types {
 143         SOLO_ENC_TYPE_STD,
 144         SOLO_ENC_TYPE_EXT,
 145 };
 146
 147 struct solo_enc_dev {
 148         struct solo_dev *solo_dev;
 149         /* V4L2 Items */
 150         struct v4l2_ctrl_handler hdl;
 151         struct v4l2_ctrl *md_thresholds;
 152         struct video_device     *vfd;
 153         /* General accounting */
 154         struct mutex            lock;
 155         spinlock_t              motion_lock;
 156         u8                      ch;
 157         u8                      mode, gop, qp, interlaced, interval;
 158         u8                      bw_weight;
 159         u16                     motion_thresh;
 160         bool                    motion_global;
 161         bool                    motion_enabled;
 162         bool                    motion_last_state;
 163         u8                      frames_since_last_motion;
 164         u16                     width;
 165         u16                     height;
 166
 167         /* OSD buffers */
 168         char                    osd_text[OSD_TEXT_MAX + 1];
 169         u8                      osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
 170                                         __aligned(4);
 171
 172         /* VOP stuff */
 173         unsigned char           vop[64];
 174         int                     vop_len;
 175         unsigned char           jpeg_header[1024];
 176         int                     jpeg_len;
 177
 178         u32                     fmt;
 179         enum solo_enc_types     type;
 180         u32                     sequence;
 181         struct vb2_queue        vidq;
 182         struct list_head        vidq_active;
 183         int                     desc_count;
 184         int                     desc_nelts;
 185         struct solo_p2m_desc    *desc_items;
 186         dma_addr_t              desc_dma;
 187         spinlock_t              av_lock;
 188 };
 189
 190 /* The SOLO6x10 PCI Device */
 191 struct solo_dev {
 192         /* General stuff */
 193         struct pci_dev          *pdev;
 194         int                     type;
 195         unsigned int            time_sync;
 196         unsigned int            usec_lsb;
 197         unsigned int            clock_mhz;
 198         u8 __iomem              *reg_base;
 199         int                     nr_chans;
 200         int                     nr_ext;
 201         u32                     irq_mask;
 202         u32                     motion_mask;
 203         spinlock_t              reg_io_lock;
 204         struct v4l2_device      v4l2_dev;
 205
 206         /* tw28xx accounting */
 207         u8                      tw2865, tw2864, tw2815;
 208         u8                      tw28_cnt;
 209
 210         /* i2c related items */
 211         struct i2c_adapter      i2c_adap[SOLO_I2C_ADAPTERS];
 212         enum SOLO_I2C_STATE     i2c_state;
 213         struct mutex            i2c_mutex;
 214         int                     i2c_id;
 215         wait_queue_head_t       i2c_wait;
 216         struct i2c_msg          *i2c_msg;
 217         unsigned int            i2c_msg_num;
 218         unsigned int            i2c_msg_ptr;
 219
 220         /* P2M DMA Engine */
 221         struct solo_p2m_dev     p2m_dev[SOLO_NR_P2M];
 222         atomic_t                p2m_count;
 223         int                     p2m_jiffies;
 224         unsigned int            p2m_timeouts;
 225
 226         /* V4L2 Display items */
 227         struct video_device     *vfd;
 228         unsigned int            erasing;
 229         unsigned int            frame_blank;
 230         u8                      cur_disp_ch;
 231         wait_queue_head_t       disp_thread_wait;
 232         struct v4l2_ctrl_handler disp_hdl;
 233
 234         /* V4L2 Encoder items */
 235         struct solo_enc_dev     *v4l2_enc[SOLO_MAX_CHANNELS];
 236         u16                     enc_bw_remain;
 237         /* IDX into hw mp4 encoder */
 238         u8                      enc_idx;
 239
 240         /* Current video settings */
 241         u32                     video_type;
 242         u16                     video_hsize, video_vsize;
 243         u16                     vout_hstart, vout_vstart;
 244         u16                     vin_hstart, vin_vstart;
 245         u8                      fps;
 246
 247         /* JPEG Qp setting */
 248         spinlock_t      jpeg_qp_lock;
 249         u32             jpeg_qp[2];
 250
 251         /* Audio components */
 252         struct snd_card         *snd_card;
 253         struct snd_pcm          *snd_pcm;
 254         atomic_t                snd_users;
 255         int                     g723_hw_idx;
 256
 257         /* sysfs stuffs */
 258         struct device           dev;
 259         int                     sdram_size;
 260         struct bin_attribute    sdram_attr;
 261         unsigned int            sys_config;
 262
 263         /* Ring thread */
 264         struct task_struct      *ring_thread;
 265         wait_queue_head_t       ring_thread_wait;
 266
 267         /* VOP_HEADER handling */
 268         void                    *vh_buf;
 269         dma_addr_t              vh_dma;
 270         int                     vh_size;
 271
 272         /* Buffer handling */
 273         struct vb2_queue        vidq;
 274         struct vb2_alloc_ctx    *alloc_ctx;
 275         u32                     sequence;
 276         struct task_struct      *kthread;
 277         struct mutex            lock;
 278         spinlock_t              slock;
 279         int                     old_write;
 280         struct list_head        vidq_active;
 281 };
 282
 283 static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
 284 {
 285         unsigned long flags;
 286         u32 ret;
 287         u16 val;
 288
 289         spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
 290
 291         ret = readl(solo_dev->reg_base + reg);
 292         rmb();
 293         pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 294         rmb();
 295
 296         spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
 297
 298         return ret;
 299 }
 300
 301 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
 302                                   u32 data)
 303 {
 304         unsigned long flags;
 305         u16 val;
 306
 307         spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
 308
 309         writel(data, solo_dev->reg_base + reg);
 310         wmb();
 311         pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 312         rmb();
 313
 314         spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
 315 }
 316
 317 static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
 318 {
 319         dev->irq_mask |= mask;
 320         solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
 321 }
 322
 323 static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
 324 {
 325         dev->irq_mask &= ~mask;
 326         solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
 327 }
 328
 329 /* Init/exit routines for subsystems */
 330 int solo_disp_init(struct solo_dev *solo_dev);
 331 void solo_disp_exit(struct solo_dev *solo_dev);
 332
 333 int solo_gpio_init(struct solo_dev *solo_dev);
 334 void solo_gpio_exit(struct solo_dev *solo_dev);
 335
 336 int solo_i2c_init(struct solo_dev *solo_dev);
 337 void solo_i2c_exit(struct solo_dev *solo_dev);
 338
 339 int solo_p2m_init(struct solo_dev *solo_dev);
 340 void solo_p2m_exit(struct solo_dev *solo_dev);
 341
 342 int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
 343 void solo_v4l2_exit(struct solo_dev *solo_dev);
 344
 345 int solo_enc_init(struct solo_dev *solo_dev);
 346 void solo_enc_exit(struct solo_dev *solo_dev);
 347
 348 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
 349 void solo_enc_v4l2_exit(struct solo_dev *solo_dev);
 350
 351 int solo_g723_init(struct solo_dev *solo_dev);
 352 void solo_g723_exit(struct solo_dev *solo_dev);
 353
 354 /* ISR's */
 355 int solo_i2c_isr(struct solo_dev *solo_dev);
 356 void solo_p2m_isr(struct solo_dev *solo_dev, int id);
 357 void solo_p2m_error_isr(struct solo_dev *solo_dev);
 358 void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
 359 void solo_g723_isr(struct solo_dev *solo_dev);
 360 void solo_motion_isr(struct solo_dev *solo_dev);
 361 void solo_video_in_isr(struct solo_dev *solo_dev);
 362
 363 /* i2c read/write */
 364 u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
 365 void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
 366                         u8 data);
 367
 368 /* P2M DMA */
 369 int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr,
 370                    dma_addr_t dma_addr, u32 ext_addr, u32 size,
 371                    int repeat, u32 ext_size);
 372 int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
 373                  void *sys_addr, u32 ext_addr, u32 size,
 374                  int repeat, u32 ext_size);
 375 void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr,
 376                         dma_addr_t dma_addr, u32 ext_addr, u32 size,
 377                         int repeat, u32 ext_size);
 378 int solo_p2m_dma_desc(struct solo_dev *solo_dev,
 379                       struct solo_p2m_desc *desc, dma_addr_t desc_dma,
 380                       int desc_cnt);
 381
 382 /* Global s_std ioctl */
 383 int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz);
 384 void solo_update_mode(struct solo_enc_dev *solo_enc);
 385
 386 /* Set the threshold for motion detection */
 387 int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
 388 int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
 389                 const u16 *thresholds);
 390 #define SOLO_DEF_MOT_THRESH             0x0300
 391
 392 /* Write text on OSD */
 393 int solo_osd_print(struct solo_enc_dev *solo_enc);
 394
 395 /* EEPROM commands */
 396 unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
 397 unsigned short solo_eeprom_read(struct solo_dev *solo_dev, int loc);
 398 int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
 399                       unsigned short data);
 400
 401 /* JPEG Qp functions */
 402 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
 403                     unsigned int qp);
 404 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);
 405
 406 #define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))
 407
 408 #endif /* __SOLO6X10_H */