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 */ 390