Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for the Auvitek AU0828 USB bridge * * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bitops.h> #include <linux/usb.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <media/tveeprom.h> /* Analog */ #include <linux/videodev2.h> #include <media/videobuf2-v4l2.h> #include <media/videobuf2-vmalloc.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fh.h> #include <media/media-device.h> #include <media/media-dev-allocator.h> /* DVB */ #include <media/demux.h> #include <media/dmxdev.h> #include <media/dvb_demux.h> #include <media/dvb_frontend.h> #include <media/dvb_net.h> #include <media/dvbdev.h> #include "au0828-reg.h" #include "au0828-cards.h" #define URB_COUNT 16 #define URB_BUFSIZE (0xe522) /* Analog constants */ #define NTSC_STD_W 720 #define NTSC_STD_H 480 #define AU0828_INTERLACED_DEFAULT 1 /* Definition for AU0828 USB transfer */ #define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */ #define AU0828_ISO_PACKETS_PER_URB 128 #define AU0828_MIN_BUF 4 #define AU0828_DEF_BUF 8 #define AU0828_MAX_INPUT 4 /* au0828 resource types (used for res_get/res_lock etc */ #define AU0828_RESOURCE_VIDEO 0x01 #define AU0828_RESOURCE_VBI 0x02 enum au0828_itype { AU0828_VMUX_UNDEFINED = 0, AU0828_VMUX_COMPOSITE, AU0828_VMUX_SVIDEO, AU0828_VMUX_CABLE, AU0828_VMUX_TELEVISION, AU0828_VMUX_DVB, }; struct au0828_input { enum au0828_itype type; unsigned int vmux; unsigned int amux; void (*audio_setup) (void *priv, int enable); }; struct au0828_board { char *name; unsigned int tuner_type; unsigned char tuner_addr; unsigned char i2c_clk_divider; unsigned char has_ir_i2c:1; unsigned char has_analog:1; struct au0828_input input[AU0828_MAX_INPUT]; }; struct au0828_dvb { struct mutex lock; struct dvb_adapter adapter; struct dvb_frontend *frontend; struct dvb_demux demux; struct dmxdev dmxdev; struct dmx_frontend fe_hw; struct dmx_frontend fe_mem; struct dvb_net net; int feeding; int start_count; int stop_count; int (*set_frontend)(struct dvb_frontend *fe); }; enum au0828_stream_state { STREAM_OFF, STREAM_INTERRUPT, STREAM_ON }; #define AUVI_INPUT(nr) (dev->board.input[nr]) /* device state */ enum au0828_dev_state { DEV_INITIALIZED = 0, DEV_DISCONNECTED = 1, DEV_MISCONFIGURED = 2 }; struct au0828_dev; struct au0828_usb_isoc_ctl { /* max packet size of isoc transaction */ int max_pkt_size; /* number of allocated urbs */ int num_bufs; /* urb for isoc transfers */ struct urb **urb; /* transfer buffers for isoc transfer */ char **transfer_buffer; /* Last buffer command and region */ u8 cmd; int pos, size, pktsize; /* Last field: ODD or EVEN? */ int field; /* Stores incomplete commands */ u32 tmp_buf; int tmp_buf_len; /* Stores already requested buffers */ struct au0828_buffer *buf; struct au0828_buffer *vbi_buf; /* Stores the number of received fields */ int nfields; /* isoc urb callback */ int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb); }; /* buffer for one video frame */ struct au0828_buffer { /* common v4l buffer stuff -- must be first */ struct vb2_v4l2_buffer vb; struct list_head list; void *mem; unsigned long length; int top_field; /* pointer to vmalloc memory address in vb */ char *vb_buf; }; struct au0828_dmaqueue { struct list_head active; /* Counters to control buffer fill */ int pos; }; struct au0828_dev { struct mutex mutex; struct usb_device *usbdev; int boardnr; struct au0828_board board; u8 ctrlmsg[64]; /* I2C */ struct i2c_adapter i2c_adap; struct i2c_algorithm i2c_algo; struct i2c_client i2c_client; u32 i2c_rc; /* Digital */ struct au0828_dvb dvb; struct work_struct restart_streaming; struct timer_list bulk_timeout; int bulk_timeout_running; #ifdef CONFIG_VIDEO_AU0828_V4L2 /* Analog */ struct v4l2_device v4l2_dev; struct v4l2_ctrl_handler v4l2_ctrl_hdl; #endif #ifdef CONFIG_VIDEO_AU0828_RC struct au0828_rc *ir; #endif struct video_device vdev; struct video_device vbi_dev; /* Videobuf2 */ struct vb2_queue vb_vidq; struct vb2_queue vb_vbiq; struct mutex vb_queue_lock; struct mutex vb_vbi_queue_lock; unsigned int frame_count; unsigned int vbi_frame_count; struct timer_list vid_timeout; int vid_timeout_running; struct timer_list vbi_timeout; int vbi_timeout_running; int users; int streaming_users; int width; int height; int vbi_width; int vbi_height; u32 vbi_read; v4l2_std_id std; u32 field_size; u32 frame_size; u32 bytesperline; int type; u8 ctrl_ainput; __u8 isoc_in_endpointaddr; u8 isoc_init_ok; int greenscreen_detected; int ctrl_freq; int input_type; int std_set_in_tuner_core; unsigned int ctrl_input; long unsigned int dev_state; /* defined at enum au0828_dev_state */; enum au0828_stream_state stream_state; wait_queue_head_t open; struct mutex lock; /* Isoc control struct */ struct au0828_dmaqueue vidq; struct au0828_dmaqueue vbiq; struct au0828_usb_isoc_ctl isoc_ctl; spinlock_t slock; /* usb transfer */ int alt; /* alternate */ int max_pkt_size; /* max packet size of isoc transaction */ int num_alt; /* Number of alternative settings */ unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */ struct urb *urb[AU0828_MAX_ISO_BUFS]; /* urb for isoc transfers */ char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc transfer */ /* DVB USB / URB Related */ bool urb_streaming, need_urb_start; struct urb *urbs[URB_COUNT]; /* Preallocated transfer digital transfer buffers */ char *dig_transfer_buffer[URB_COUNT]; #ifdef CONFIG_MEDIA_CONTROLLER struct media_device *media_dev; struct media_pad video_pad, vbi_pad; struct media_entity *decoder; struct media_entity input_ent[AU0828_MAX_INPUT]; struct media_pad input_pad[AU0828_MAX_INPUT]; struct media_entity_notify entity_notify; struct media_entity *tuner; struct media_link *active_link; struct media_entity *active_source; struct media_entity *active_sink; struct media_entity *active_link_owner; struct media_entity *active_link_user; struct media_pipeline *active_link_user_pipe; bool active_link_shared; #endif }; /* ----------------------------------------------------------- */ #define au0828_read(dev, reg) au0828_readreg(dev, reg) #define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value) #define au0828_andor(dev, reg, mask, value) \ au0828_writereg(dev, reg, \ (au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask))) #define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit)) #define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0) /* ----------------------------------------------------------- */ /* au0828-core.c */ extern u32 au0828_read(struct au0828_dev *dev, u16 reg); extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val); extern void au0828_usb_release(struct au0828_dev *dev); extern int au0828_debug; /* ----------------------------------------------------------- */ /* au0828-cards.c */ extern struct au0828_board au0828_boards[]; extern struct usb_device_id au0828_usb_id_table[]; extern void au0828_gpio_setup(struct au0828_dev *dev); extern int au0828_tuner_callback(void *priv, int component, int command, int arg); extern void au0828_card_setup(struct au0828_dev *dev); /* ----------------------------------------------------------- */ /* au0828-i2c.c */ extern int au0828_i2c_register(struct au0828_dev *dev); extern int au0828_i2c_unregister(struct au0828_dev *dev); /* ----------------------------------------------------------- */ /* au0828-video.c */ extern int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count); extern void au0828_stop_vbi_streaming(struct vb2_queue *vq); #ifdef CONFIG_VIDEO_AU0828_V4L2 extern int au0828_v4l2_device_register(struct usb_interface *interface, struct au0828_dev *dev); extern int au0828_analog_register(struct au0828_dev *dev, struct usb_interface *interface); extern int au0828_analog_unregister(struct au0828_dev *dev); extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev); extern void au0828_v4l2_suspend(struct au0828_dev *dev); extern void au0828_v4l2_resume(struct au0828_dev *dev); #else static inline int au0828_v4l2_device_register(struct usb_interface *interface, struct au0828_dev *dev) { return 0; }; static inline int au0828_analog_register(struct au0828_dev *dev, struct usb_interface *interface) { return 0; }; static inline int au0828_analog_unregister(struct au0828_dev *dev) { return 0; }; static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { }; static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { }; static inline void au0828_v4l2_resume(struct au0828_dev *dev) { }; #endif /* ----------------------------------------------------------- */ /* au0828-dvb.c */ extern int au0828_dvb_register(struct au0828_dev *dev); extern void au0828_dvb_unregister(struct au0828_dev *dev); void au0828_dvb_suspend(struct au0828_dev *dev); void au0828_dvb_resume(struct au0828_dev *dev); /* au0828-vbi.c */ extern const struct vb2_ops au0828_vbi_qops; #define dprintk(level, fmt, arg...)\ do { if (au0828_debug & level)\ printk(KERN_DEBUG pr_fmt(fmt), ## arg);\ } while (0) /* au0828-input.c */ #ifdef CONFIG_VIDEO_AU0828_RC extern int au0828_rc_register(struct au0828_dev *dev); extern void au0828_rc_unregister(struct au0828_dev *dev); extern int au0828_rc_suspend(struct au0828_dev *dev); extern int au0828_rc_resume(struct au0828_dev *dev); #else static inline int au0828_rc_register(struct au0828_dev *dev) { return 0; } static inline void au0828_rc_unregister(struct au0828_dev *dev) { } static inline int au0828_rc_suspend(struct au0828_dev *dev) { return 0; } static inline int au0828_rc_resume(struct au0828_dev *dev) { return 0; } #endif |