1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> 4 * 5 * Original author: 6 * Ben Collins <bcollins@ubuntu.com> 7 * 8 * Additional work by: 9 * John Brooks <john.brooks@bluecherry.net> 10 */ 11 12 #ifndef __SOLO6X10_H 13 #define __SOLO6X10_H 14 15 #include <linux/pci.h> 16 #include <linux/i2c.h> 17 #include <linux/mutex.h> 18 #include <linux/list.h> 19 #include <linux/wait.h> 20 #include <linux/stringify.h> 21 #include <linux/io.h> 22 #include <linux/atomic.h> 23 #include <linux/slab.h> 24 #include <linux/videodev2.h> 25 #include <linux/gpio/driver.h> 26 27 #include <media/v4l2-dev.h> 28 #include <media/v4l2-device.h> 29 #include <media/v4l2-ctrls.h> 30 #include <media/videobuf2-v4l2.h> 31 32 #include "solo6x10-regs.h" 33 34 #ifndef PCI_VENDOR_ID_SOFTLOGIC 35 #define PCI_VENDOR_ID_SOFTLOGIC 0x9413 36 #define PCI_DEVICE_ID_SOLO6010 0x6010 37 #define PCI_DEVICE_ID_SOLO6110 0x6110 38 #endif 39 40 #ifndef PCI_VENDOR_ID_BLUECHERRY 41 #define PCI_VENDOR_ID_BLUECHERRY 0x1BB3 42 /* Neugent Softlogic 6010 based cards */ 43 #define PCI_DEVICE_ID_NEUSOLO_4 0x4304 44 #define PCI_DEVICE_ID_NEUSOLO_9 0x4309 45 #define PCI_DEVICE_ID_NEUSOLO_16 0x4310 46 /* Bluecherry Softlogic 6010 based cards */ 47 #define PCI_DEVICE_ID_BC_SOLO_4 0x4E04 48 #define PCI_DEVICE_ID_BC_SOLO_9 0x4E09 49 #define PCI_DEVICE_ID_BC_SOLO_16 0x4E10 50 /* Bluecherry Softlogic 6110 based cards */ 51 #define PCI_DEVICE_ID_BC_6110_4 0x5304 52 #define PCI_DEVICE_ID_BC_6110_8 0x5308 53 #define PCI_DEVICE_ID_BC_6110_16 0x5310 54 #endif /* Bluecherry */ 55 56 /* Used in pci_device_id, and solo_dev->type */ 57 #define SOLO_DEV_6010 0 58 #define SOLO_DEV_6110 1 59 60 #define SOLO6X10_NAME "solo6x10" 61 62 #define SOLO_MAX_CHANNELS 16 63 64 #define SOLO6X10_VERSION "3.0.0" 65 66 /* 67 * The SOLO6x10 actually has 8 i2c channels, but we only use 2. 68 * 0 - Techwell chip(s) 69 * 1 - SAA7128 70 */ 71 #define SOLO_I2C_ADAPTERS 2 72 #define SOLO_I2C_TW 0 73 #define SOLO_I2C_SAA 1 74 75 /* DMA Engine setup */ 76 #define SOLO_NR_P2M 4 77 #define SOLO_NR_P2M_DESC 256 78 #define SOLO_P2M_DESC_SIZE (SOLO_NR_P2M_DESC * 16) 79 80 /* Encoder standard modes */ 81 #define SOLO_ENC_MODE_CIF 2 82 #define SOLO_ENC_MODE_HD1 1 83 #define SOLO_ENC_MODE_D1 9 84 85 #define SOLO_DEFAULT_QP 3 86 87 #define SOLO_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000) 88 #define V4L2_CID_MOTION_TRACE (SOLO_CID_CUSTOM_BASE+2) 89 #define V4L2_CID_OSD_TEXT (SOLO_CID_CUSTOM_BASE+3) 90 91 /* 92 * Motion thresholds are in a table of 64x64 samples, with 93 * each sample representing 16x16 pixels of the source. In 94 * effect, 44x30 samples are used for NTSC, and 44x36 for PAL. 95 * The 5th sample on the 10th row is (10*64)+5 = 645. 96 * 97 * Internally it is stored as a 45x45 array (45*16 = 720, which is the 98 * maximum PAL/NTSC width). 99 */ 100 #define SOLO_MOTION_SZ (45) 101 102 enum SOLO_I2C_STATE { 103 IIC_STATE_IDLE, 104 IIC_STATE_START, 105 IIC_STATE_READ, 106 IIC_STATE_WRITE, 107 IIC_STATE_STOP 108 }; 109 110 /* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */ 111 struct solo_p2m_desc { 112 u32 ctrl; 113 u32 cfg; 114 u32 dma_addr; 115 u32 ext_addr; 116 }; 117 118 struct solo_p2m_dev { 119 struct mutex mutex; 120 struct completion completion; 121 int desc_count; 122 int desc_idx; 123 struct solo_p2m_desc *descs; 124 int error; 125 }; 126 127 #define OSD_TEXT_MAX 44 128 129 struct solo_vb2_buf { 130 struct vb2_v4l2_buffer vb; 131 struct list_head list; 132 }; 133 134 enum solo_enc_types { 135 SOLO_ENC_TYPE_STD, 136 SOLO_ENC_TYPE_EXT, 137 }; 138 139 struct solo_enc_dev { 140 struct solo_dev *solo_dev; 141 /* V4L2 Items */ 142 struct v4l2_ctrl_handler hdl; 143 struct v4l2_ctrl *md_thresholds; 144 struct video_device *vfd; 145 /* General accounting */ 146 struct mutex lock; 147 spinlock_t motion_lock; 148 u8 ch; 149 u8 mode, gop, qp, interlaced, interval; 150 u8 bw_weight; 151 u16 motion_thresh; 152 bool motion_global; 153 bool motion_enabled; 154 u16 width; 155 u16 height; 156 157 /* OSD buffers */ 158 char osd_text[OSD_TEXT_MAX + 1]; 159 u8 osd_buf[SOLO_EOSD_EXT_SIZE_MAX] 160 __aligned(4); 161 162 /* VOP stuff */ 163 u8 vop[64]; 164 int vop_len; 165 u8 jpeg_header[1024]; 166 int jpeg_len; 167 168 u32 fmt; 169 enum solo_enc_types type; 170 u32 sequence; 171 struct vb2_queue vidq; 172 struct list_head vidq_active; 173 int desc_count; 174 int desc_nelts; 175 struct solo_p2m_desc *desc_items; 176 dma_addr_t desc_dma; 177 spinlock_t av_lock; 178 }; 179 180 /* The SOLO6x10 PCI Device */ 181 struct solo_dev { 182 /* General stuff */ 183 struct pci_dev *pdev; 184 int type; 185 unsigned int time_sync; 186 unsigned int usec_lsb; 187 unsigned int clock_mhz; 188 u8 __iomem *reg_base; 189 int nr_chans; 190 int nr_ext; 191 u32 irq_mask; 192 u32 motion_mask; 193 struct v4l2_device v4l2_dev; 194 #ifdef CONFIG_GPIOLIB 195 /* GPIO */ 196 struct gpio_chip gpio_dev; 197 #endif 198 199 /* tw28xx accounting */ 200 u8 tw2865, tw2864, tw2815; 201 u8 tw28_cnt; 202 203 /* i2c related items */ 204 struct i2c_adapter i2c_adap[SOLO_I2C_ADAPTERS]; 205 enum SOLO_I2C_STATE i2c_state; 206 struct mutex i2c_mutex; 207 int i2c_id; 208 wait_queue_head_t i2c_wait; 209 struct i2c_msg *i2c_msg; 210 unsigned int i2c_msg_num; 211 unsigned int i2c_msg_ptr; 212 213 /* P2M DMA Engine */ 214 struct solo_p2m_dev p2m_dev[SOLO_NR_P2M]; 215 atomic_t p2m_count; 216 int p2m_jiffies; 217 unsigned int p2m_timeouts; 218 219 /* V4L2 Display items */ 220 struct video_device *vfd; 221 unsigned int erasing; 222 unsigned int frame_blank; 223 u8 cur_disp_ch; 224 wait_queue_head_t disp_thread_wait; 225 struct v4l2_ctrl_handler disp_hdl; 226 227 /* V4L2 Encoder items */ 228 struct solo_enc_dev *v4l2_enc[SOLO_MAX_CHANNELS]; 229 u16 enc_bw_remain; 230 /* IDX into hw mp4 encoder */ 231 u8 enc_idx; 232 233 /* Current video settings */ 234 u32 video_type; 235 u16 video_hsize, video_vsize; 236 u16 vout_hstart, vout_vstart; 237 u16 vin_hstart, vin_vstart; 238 u8 fps; 239 240 /* JPEG Qp setting */ 241 spinlock_t jpeg_qp_lock; 242 u32 jpeg_qp[2]; 243 244 /* Audio components */ 245 struct snd_card *snd_card; 246 struct snd_pcm *snd_pcm; 247 atomic_t snd_users; 248 int g723_hw_idx; 249 250 /* sysfs stuffs */ 251 struct device dev; 252 int sdram_size; 253 struct bin_attribute sdram_attr; 254 unsigned int sys_config; 255 256 /* Ring thread */ 257 struct task_struct *ring_thread; 258 wait_queue_head_t ring_thread_wait; 259 260 /* VOP_HEADER handling */ 261 void *vh_buf; 262 dma_addr_t vh_dma; 263 int vh_size; 264 265 /* Buffer handling */ 266 struct vb2_queue vidq; 267 u32 sequence; 268 struct task_struct *kthread; 269 struct mutex lock; 270 spinlock_t slock; 271 int old_write; 272 struct list_head vidq_active; 273 }; 274 275 static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg) 276 { 277 return readl(solo_dev->reg_base + reg); 278 } 279 280 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg, 281 u32 data) 282 { 283 u16 val; 284 285 writel(data, solo_dev->reg_base + reg); 286 pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val); 287 } 288 289 static inline void solo_irq_on(struct solo_dev *dev, u32 mask) 290 { 291 dev->irq_mask |= mask; 292 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask); 293 } 294 295 static inline void solo_irq_off(struct solo_dev *dev, u32 mask) 296 { 297 dev->irq_mask &= ~mask; 298 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask); 299 } 300 301 /* Init/exit routines for subsystems */ 302 int solo_disp_init(struct solo_dev *solo_dev); 303 void solo_disp_exit(struct solo_dev *solo_dev); 304 305 int solo_gpio_init(struct solo_dev *solo_dev); 306 void solo_gpio_exit(struct solo_dev *solo_dev); 307 308 int solo_i2c_init(struct solo_dev *solo_dev); 309 void solo_i2c_exit(struct solo_dev *solo_dev); 310 311 int solo_p2m_init(struct solo_dev *solo_dev); 312 void solo_p2m_exit(struct solo_dev *solo_dev); 313 314 int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr); 315 void solo_v4l2_exit(struct solo_dev *solo_dev); 316 317 int solo_enc_init(struct solo_dev *solo_dev); 318 void solo_enc_exit(struct solo_dev *solo_dev); 319 320 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr); 321 void solo_enc_v4l2_exit(struct solo_dev *solo_dev); 322 323 int solo_g723_init(struct solo_dev *solo_dev); 324 void solo_g723_exit(struct solo_dev *solo_dev); 325 326 /* ISR's */ 327 int solo_i2c_isr(struct solo_dev *solo_dev); 328 void solo_p2m_isr(struct solo_dev *solo_dev, int id); 329 void solo_p2m_error_isr(struct solo_dev *solo_dev); 330 void solo_enc_v4l2_isr(struct solo_dev *solo_dev); 331 void solo_g723_isr(struct solo_dev *solo_dev); 332 void solo_motion_isr(struct solo_dev *solo_dev); 333 void solo_video_in_isr(struct solo_dev *solo_dev); 334 335 /* i2c read/write */ 336 u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off); 337 void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off, 338 u8 data); 339 340 /* P2M DMA */ 341 int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr, 342 dma_addr_t dma_addr, u32 ext_addr, u32 size, 343 int repeat, u32 ext_size); 344 int solo_p2m_dma(struct solo_dev *solo_dev, int wr, 345 void *sys_addr, u32 ext_addr, u32 size, 346 int repeat, u32 ext_size); 347 void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr, 348 dma_addr_t dma_addr, u32 ext_addr, u32 size, 349 int repeat, u32 ext_size); 350 int solo_p2m_dma_desc(struct solo_dev *solo_dev, 351 struct solo_p2m_desc *desc, dma_addr_t desc_dma, 352 int desc_cnt); 353 354 /* Global s_std ioctl */ 355 int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz); 356 void solo_update_mode(struct solo_enc_dev *solo_enc); 357 358 /* Set the threshold for motion detection */ 359 int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val); 360 int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch, 361 const u16 *thresholds); 362 #define SOLO_DEF_MOT_THRESH 0x0300 363 364 /* Write text on OSD */ 365 int solo_osd_print(struct solo_enc_dev *solo_enc); 366 367 /* EEPROM commands */ 368 unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en); 369 __be16 solo_eeprom_read(struct solo_dev *solo_dev, int loc); 370 int solo_eeprom_write(struct solo_dev *solo_dev, int loc, 371 __be16 data); 372 373 /* JPEG Qp functions */ 374 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch, 375 unsigned int qp); 376 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch); 377 378 #define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags)) 379 380 #endif /* __SOLO6X10_H */ 381