release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/solo6x10/solo6010.h

   1 /*
   2  * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
   3  * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __SOLO6010_H
  21 #define __SOLO6010_H
  22
  23 #include <linux/version.h>
  24 #include <linux/pci.h>
  25 #include <linux/i2c.h>
  26 #include <linux/semaphore.h>
  27 #include <linux/mutex.h>
  28 #include <linux/list.h>
  29 #include <linux/delay.h>
  30 #include <linux/wait.h>
  31 #include <asm/io.h>
  32 #include <asm/atomic.h>
  33
  34 #include <linux/videodev2.h>
  35 #include <media/v4l2-dev.h>
  36 #include <media/videobuf-core.h>
  37
  38 #include "solo6010-registers.h"
  39
  40 #ifndef PCI_VENDOR_ID_SOFTLOGIC
  41 #define PCI_VENDOR_ID_SOFTLOGIC         0x9413
  42 #define PCI_DEVICE_ID_SOLO6010          0x6010
  43 #endif
  44
  45 #ifndef PCI_VENDOR_ID_BLUECHERRY
  46 #define PCI_VENDOR_ID_BLUECHERRY        0x1BB3
  47 /* Neugent Softlogic 6010 based cards */
  48 #define PCI_DEVICE_ID_NEUSOLO_4         0x4304
  49 #define PCI_DEVICE_ID_NEUSOLO_9         0x4309
  50 #define PCI_DEVICE_ID_NEUSOLO_16        0x4310
  51 /* Commell Softlogic 6010 based cards */
  52 #define PCI_DEVICE_ID_COMMSOLO_4        0x4E04
  53 #define PCI_DEVICE_ID_COMMSOLO_9        0x4E09
  54 #define PCI_DEVICE_ID_COMMSOLO_16       0x4E10
  55 #endif /* Bluecherry */
  56
  57 #define SOLO6010_NAME                   "solo6010"
  58
  59 #define SOLO_MAX_CHANNELS               16
  60
  61 /* Make sure these two match */
  62 #define SOLO6010_VERSION                "2.0.0"
  63 #define SOLO6010_VER_MAJOR              2
  64 #define SOLO6010_VER_MINOR              0
  65 #define SOLO6010_VER_SUB                0
  66 #define SOLO6010_VER_NUM \
  67     KERNEL_VERSION(SOLO6010_VER_MAJOR, SOLO6010_VER_MINOR, SOLO6010_VER_SUB)
  68
  69 /*
  70  * The SOLO6010 actually has 8 i2c channels, but we only use 2.
  71  * 0 - Techwell chip(s)
  72  * 1 - SAA7128
  73  */
  74 #define SOLO_I2C_ADAPTERS               2
  75 #define SOLO_I2C_TW                     0
  76 #define SOLO_I2C_SAA                    1
  77
  78 /* DMA Engine setup */
  79 #define SOLO_NR_P2M                     4
  80 #define SOLO_NR_P2M_DESC                256
  81 #define SOLO_P2M_DESC_SIZE              (SOLO_NR_P2M_DESC * 16)
  82 /* MPEG and JPEG share the same interrupt and locks so they must be together
  83  * in the same dma channel. */
  84 #define SOLO_P2M_DMA_ID_MP4E            0
  85 #define SOLO_P2M_DMA_ID_JPEG            0
  86 #define SOLO_P2M_DMA_ID_MP4D            1
  87 #define SOLO_P2M_DMA_ID_G723D           1
  88 #define SOLO_P2M_DMA_ID_DISP            2
  89 #define SOLO_P2M_DMA_ID_OSG             2
  90 #define SOLO_P2M_DMA_ID_G723E           3
  91 #define SOLO_P2M_DMA_ID_VIN             3
  92
  93 /* Encoder standard modes */
  94 #define SOLO_ENC_MODE_CIF               2
  95 #define SOLO_ENC_MODE_HD1               1
  96 #define SOLO_ENC_MODE_D1                9
  97
  98 #define SOLO_DEFAULT_GOP                30
  99 #define SOLO_DEFAULT_QP                 3
 100
 101 /* There is 8MB memory available for solo to buffer MPEG4 frames.
 102  * This gives us 512 * 16kbyte queues. */
 103 #define SOLO_NR_RING_BUFS               512
 104
 105 #define SOLO_CLOCK_MHZ                  108
 106
 107 #ifndef V4L2_BUF_FLAG_MOTION_ON
 108 #define V4L2_BUF_FLAG_MOTION_ON         0x0400
 109 #define V4L2_BUF_FLAG_MOTION_DETECTED   0x0800
 110 #endif
 111 #ifndef V4L2_CID_MOTION_ENABLE
 112 #define PRIVATE_CIDS
 113 #define V4L2_CID_MOTION_ENABLE          (V4L2_CID_PRIVATE_BASE+0)
 114 #define V4L2_CID_MOTION_THRESHOLD       (V4L2_CID_PRIVATE_BASE+1)
 115 #define V4L2_CID_MOTION_TRACE           (V4L2_CID_PRIVATE_BASE+2)
 116 #endif
 117
 118 enum SOLO_I2C_STATE {
 119         IIC_STATE_IDLE,
 120         IIC_STATE_START,
 121         IIC_STATE_READ,
 122         IIC_STATE_WRITE,
 123         IIC_STATE_STOP
 124 };
 125
 126 struct solo_p2m_dev {
 127         struct semaphore        sem;
 128         struct completion       completion;
 129         int                     error;
 130         u8                      desc[SOLO_P2M_DESC_SIZE];
 131 };
 132
 133 #define OSD_TEXT_MAX            30
 134
 135 enum solo_enc_types {
 136         SOLO_ENC_TYPE_STD,
 137         SOLO_ENC_TYPE_EXT,
 138 };
 139
 140 struct solo_enc_dev {
 141         struct solo6010_dev     *solo_dev;
 142         /* V4L2 Items */
 143         struct video_device     *vfd;
 144         /* General accounting */
 145         wait_queue_head_t       thread_wait;
 146         spinlock_t              lock;
 147         atomic_t                readers;
 148         u8                      ch;
 149         u8                      mode, gop, qp, interlaced, interval;
 150         u8                      reset_gop;
 151         u8                      bw_weight;
 152         u8                      motion_detected;
 153         u16                     motion_thresh;
 154         u16                     width;
 155         u16                     height;
 156         char                    osd_text[OSD_TEXT_MAX + 1];
 157 };
 158
 159 struct solo_enc_buf {
 160         u8                      vop;
 161         u8                      ch;
 162         enum solo_enc_types     type;
 163         u32                     off;
 164         u32                     size;
 165         u32                     jpeg_off;
 166         u32                     jpeg_size;
 167         struct timeval          ts;
 168 };
 169
 170 /* The SOLO6010 PCI Device */
 171 struct solo6010_dev {
 172         /* General stuff */
 173         struct pci_dev          *pdev;
 174         u8 __iomem              *reg_base;
 175         int                     nr_chans;
 176         int                     nr_ext;
 177         u32                     irq_mask;
 178         u32                     motion_mask;
 179         spinlock_t              reg_io_lock;
 180
 181         /* tw28xx accounting */
 182         u8                      tw2865, tw2864, tw2815;
 183         u8                      tw28_cnt;
 184
 185         /* i2c related items */
 186         struct i2c_adapter      i2c_adap[SOLO_I2C_ADAPTERS];
 187         enum SOLO_I2C_STATE     i2c_state;
 188         struct semaphore        i2c_sem;
 189         int                     i2c_id;
 190         wait_queue_head_t       i2c_wait;
 191         struct i2c_msg          *i2c_msg;
 192         unsigned int            i2c_msg_num;
 193         unsigned int            i2c_msg_ptr;
 194
 195         /* P2M DMA Engine */
 196         struct solo_p2m_dev     p2m_dev[SOLO_NR_P2M];
 197
 198         /* V4L2 Display items */
 199         struct video_device     *vfd;
 200         unsigned int            erasing;
 201         unsigned int            frame_blank;
 202         u8                      cur_disp_ch;
 203         wait_queue_head_t       disp_thread_wait;
 204
 205         /* V4L2 Encoder items */
 206         struct solo_enc_dev     *v4l2_enc[SOLO_MAX_CHANNELS];
 207         u16                     enc_bw_remain;
 208         /* IDX into hw mp4 encoder */
 209         u8                      enc_idx;
 210         /* Our software ring of enc buf references */
 211         u16                     enc_wr_idx;
 212         struct solo_enc_buf     enc_buf[SOLO_NR_RING_BUFS];
 213
 214         /* Current video settings */
 215         u32                     video_type;
 216         u16                     video_hsize, video_vsize;
 217         u16                     vout_hstart, vout_vstart;
 218         u16                     vin_hstart, vin_vstart;
 219         u8                      fps;
 220
 221         /* Audio components */
 222         struct snd_card         *snd_card;
 223         struct snd_pcm          *snd_pcm;
 224         atomic_t                snd_users;
 225         int                     g723_hw_idx;
 226 };
 227
 228 static inline u32 solo_reg_read(struct solo6010_dev *solo_dev, int reg)
 229 {
 230         unsigned long flags;
 231         u32 ret;
 232         u16 val;
 233
 234         spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
 235
 236         ret = readl(solo_dev->reg_base + reg);
 237         rmb();
 238         pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 239         rmb();
 240
 241         spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
 242
 243         return ret;
 244 }
 245
 246 static inline void solo_reg_write(struct solo6010_dev *solo_dev, int reg,
 247                                       u32 data)
 248 {
 249         unsigned long flags;
 250         u16 val;
 251
 252         spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
 253
 254         writel(data, solo_dev->reg_base + reg);
 255         wmb();
 256         pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
 257         rmb();
 258
 259         spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
 260 }
 261
 262 void solo6010_irq_on(struct solo6010_dev *solo_dev, u32 mask);
 263 void solo6010_irq_off(struct solo6010_dev *solo_dev, u32 mask);
 264
 265 /* Init/exit routeines for subsystems */
 266 int solo_disp_init(struct solo6010_dev *solo_dev);
 267 void solo_disp_exit(struct solo6010_dev *solo_dev);
 268
 269 int solo_gpio_init(struct solo6010_dev *solo_dev);
 270 void solo_gpio_exit(struct solo6010_dev *solo_dev);
 271
 272 int solo_i2c_init(struct solo6010_dev *solo_dev);
 273 void solo_i2c_exit(struct solo6010_dev *solo_dev);
 274
 275 int solo_p2m_init(struct solo6010_dev *solo_dev);
 276 void solo_p2m_exit(struct solo6010_dev *solo_dev);
 277
 278 int solo_v4l2_init(struct solo6010_dev *solo_dev);
 279 void solo_v4l2_exit(struct solo6010_dev *solo_dev);
 280
 281 int solo_enc_init(struct solo6010_dev *solo_dev);
 282 void solo_enc_exit(struct solo6010_dev *solo_dev);
 283
 284 int solo_enc_v4l2_init(struct solo6010_dev *solo_dev);
 285 void solo_enc_v4l2_exit(struct solo6010_dev *solo_dev);
 286
 287 int solo_g723_init(struct solo6010_dev *solo_dev);
 288 void solo_g723_exit(struct solo6010_dev *solo_dev);
 289
 290 /* ISR's */
 291 int solo_i2c_isr(struct solo6010_dev *solo_dev);
 292 void solo_p2m_isr(struct solo6010_dev *solo_dev, int id);
 293 void solo_p2m_error_isr(struct solo6010_dev *solo_dev, u32 status);
 294 void solo_enc_v4l2_isr(struct solo6010_dev *solo_dev);
 295 void solo_g723_isr(struct solo6010_dev *solo_dev);
 296 void solo_motion_isr(struct solo6010_dev *solo_dev);
 297 void solo_video_in_isr(struct solo6010_dev *solo_dev);
 298
 299 /* i2c read/write */
 300 u8 solo_i2c_readbyte(struct solo6010_dev *solo_dev, int id, u8 addr, u8 off);
 301 void solo_i2c_writebyte(struct solo6010_dev *solo_dev, int id, u8 addr, u8 off,
 302                         u8 data);
 303
 304 /* P2M DMA */
 305 int solo_p2m_dma_t(struct solo6010_dev *solo_dev, u8 id, int wr,
 306                    dma_addr_t dma_addr, u32 ext_addr, u32 size);
 307 int solo_p2m_dma(struct solo6010_dev *solo_dev, u8 id, int wr,
 308                  void *sys_addr, u32 ext_addr, u32 size);
 309
 310 /* Set the threshold for motion detection */
 311 void solo_set_motion_threshold(struct solo6010_dev *solo_dev, u8 ch, u16 val);
 312 #define SOLO_DEF_MOT_THRESH             0x0300
 313
 314 /* Write text on OSD */
 315 int solo_osd_print(struct solo_enc_dev *solo_enc);
 316
 317 #endif /* __SOLO6010_H */