| 1 | /* $NetBSD: pseye.c,v 1.23 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2008 Jared D. McNeill <jmcneill@invisible.ca> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * Sony PlayStation Eye Driver |
| 31 | * |
| 32 | * The only documentation we have for this part is based on a series |
| 33 | * of forum postings by Jim Paris on ps2dev.org. Many thanks for |
| 34 | * figuring this one out. |
| 35 | * |
| 36 | * URL: http://forums.ps2dev.org/viewtopic.php?t=9238 |
| 37 | */ |
| 38 | |
| 39 | #include <sys/cdefs.h> |
| 40 | __KERNEL_RCSID(0, "$NetBSD: pseye.c,v 1.23 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 41 | |
| 42 | #include <sys/param.h> |
| 43 | #include <sys/systm.h> |
| 44 | #include <sys/device.h> |
| 45 | #include <sys/fcntl.h> |
| 46 | #include <sys/conf.h> |
| 47 | #include <sys/poll.h> |
| 48 | #include <sys/bus.h> |
| 49 | #include <sys/mutex.h> |
| 50 | #include <sys/kthread.h> |
| 51 | #include <sys/condvar.h> |
| 52 | #include <sys/module.h> |
| 53 | |
| 54 | #include <dev/usb/usb.h> |
| 55 | #include <dev/usb/usbdi.h> |
| 56 | #include <dev/usb/usbdivar.h> |
| 57 | #include <dev/usb/usbdi_util.h> |
| 58 | #include <dev/usb/usbdevs.h> |
| 59 | #include <dev/usb/uvideoreg.h> |
| 60 | |
| 61 | #include <dev/video_if.h> |
| 62 | |
| 63 | #define PRI_PSEYE PRI_BIO |
| 64 | |
| 65 | /* Bulk-in buffer length -- make room for payload + UVC headers */ |
| 66 | #define PSEYE_BULKIN_BUFLEN ((640 * 480 * 2) + 4096) |
| 67 | #define PSEYE_BULKIN_BLKLEN 2048 |
| 68 | |
| 69 | /* SCCB/sensor interface */ |
| 70 | #define PSEYE_SCCB_ADDRESS 0xf1 |
| 71 | #define PSEYE_SCCB_SUBADDR 0xf2 |
| 72 | #define PSEYE_SCCB_WRITE 0xf3 |
| 73 | #define PSEYE_SCCB_READ 0xf4 |
| 74 | #define PSEYE_SCCB_OPERATION 0xf5 |
| 75 | #define PSEYE_SCCB_STATUS 0xf6 |
| 76 | |
| 77 | #define PSEYE_SCCB_OP_WRITE_3 0x37 |
| 78 | #define PSEYE_SCCB_OP_WRITE_2 0x33 |
| 79 | #define PSEYE_SCCB_OP_READ_2 0xf9 |
| 80 | |
| 81 | struct pseye_softc { |
| 82 | device_t sc_dev; |
| 83 | |
| 84 | struct usbd_device * sc_udev; |
| 85 | struct usbd_interface * sc_iface; |
| 86 | |
| 87 | device_t sc_videodev; |
| 88 | char sc_running; |
| 89 | |
| 90 | kcondvar_t sc_cv; |
| 91 | kmutex_t sc_mtx; |
| 92 | |
| 93 | struct usbd_pipe * sc_bulkin_pipe; |
| 94 | struct usbd_xfer * sc_bulkin_xfer; |
| 95 | int sc_bulkin; |
| 96 | uint8_t *sc_bulkin_buffer; |
| 97 | int sc_bulkin_bufferlen; |
| 98 | |
| 99 | char sc_dying; |
| 100 | |
| 101 | char sc_businfo[32]; |
| 102 | }; |
| 103 | |
| 104 | static int pseye_match(device_t, cfdata_t, void *); |
| 105 | static void pseye_attach(device_t, device_t, void *); |
| 106 | static int pseye_detach(device_t, int); |
| 107 | static void pseye_childdet(device_t, device_t); |
| 108 | static int pseye_activate(device_t, enum devact); |
| 109 | |
| 110 | static void pseye_init(struct pseye_softc *); |
| 111 | static void pseye_sccb_init(struct pseye_softc *); |
| 112 | static void pseye_stop(struct pseye_softc *); |
| 113 | static void pseye_start(struct pseye_softc *); |
| 114 | static void pseye_led(struct pseye_softc *, bool); |
| 115 | static uint8_t pseye_getreg(struct pseye_softc *, uint16_t); |
| 116 | static void pseye_setreg(struct pseye_softc *, uint16_t, uint8_t); |
| 117 | static void pseye_setregv(struct pseye_softc *, uint16_t, uint8_t); |
| 118 | static void pseye_sccb_setreg(struct pseye_softc *, uint8_t, uint8_t); |
| 119 | static bool pseye_sccb_status(struct pseye_softc *); |
| 120 | |
| 121 | static int pseye_init_pipes(struct pseye_softc *); |
| 122 | static int pseye_close_pipes(struct pseye_softc *); |
| 123 | |
| 124 | static usbd_status pseye_get_frame(struct pseye_softc *, uint32_t *); |
| 125 | static void pseye_submit_payload(struct pseye_softc *, uint32_t); |
| 126 | |
| 127 | /* video(9) API */ |
| 128 | static int pseye_open(void *, int); |
| 129 | static void pseye_close(void *); |
| 130 | static const char * pseye_get_devname(void *); |
| 131 | static const char * pseye_get_businfo(void *); |
| 132 | static int pseye_enum_format(void *, uint32_t, |
| 133 | struct video_format *); |
| 134 | static int pseye_get_format(void *, struct video_format *); |
| 135 | static int pseye_set_format(void *, struct video_format *); |
| 136 | static int pseye_try_format(void *, struct video_format *); |
| 137 | static int pseye_start_transfer(void *); |
| 138 | static int pseye_stop_transfer(void *); |
| 139 | |
| 140 | CFATTACH_DECL2_NEW(pseye, sizeof(struct pseye_softc), |
| 141 | pseye_match, pseye_attach, pseye_detach, pseye_activate, |
| 142 | NULL, pseye_childdet); |
| 143 | |
| 144 | static const struct video_hw_if pseye_hw_if = { |
| 145 | .open = pseye_open, |
| 146 | .close = pseye_close, |
| 147 | .get_devname = pseye_get_devname, |
| 148 | .get_businfo = pseye_get_businfo, |
| 149 | .enum_format = pseye_enum_format, |
| 150 | .get_format = pseye_get_format, |
| 151 | .set_format = pseye_set_format, |
| 152 | .try_format = pseye_try_format, |
| 153 | .start_transfer = pseye_start_transfer, |
| 154 | .stop_transfer = pseye_stop_transfer, |
| 155 | .control_iter_init = NULL, |
| 156 | .control_iter_next = NULL, |
| 157 | .get_control_desc_group = NULL, |
| 158 | .get_control_group = NULL, |
| 159 | .set_control_group = NULL, |
| 160 | }; |
| 161 | |
| 162 | static int |
| 163 | pseye_match(device_t parent, cfdata_t match, void *opaque) |
| 164 | { |
| 165 | struct usbif_attach_arg *uiaa = opaque; |
| 166 | |
| 167 | if (uiaa->uiaa_class != UICLASS_VENDOR) |
| 168 | return UMATCH_NONE; |
| 169 | |
| 170 | if (uiaa->uiaa_vendor == USB_VENDOR_OMNIVISION2) { |
| 171 | switch (uiaa->uiaa_product) { |
| 172 | case USB_PRODUCT_OMNIVISION2_PSEYE: |
| 173 | if (uiaa->uiaa_ifaceno != 0) |
| 174 | return UMATCH_NONE; |
| 175 | return UMATCH_VENDOR_PRODUCT; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return UMATCH_NONE; |
| 180 | } |
| 181 | |
| 182 | static void |
| 183 | pseye_attach(device_t parent, device_t self, void *opaque) |
| 184 | { |
| 185 | struct pseye_softc *sc = device_private(self); |
| 186 | struct usbif_attach_arg *uiaa = opaque; |
| 187 | struct usbd_device *dev = uiaa->uiaa_device; |
| 188 | usb_interface_descriptor_t *id = NULL; |
| 189 | usb_endpoint_descriptor_t *ed = NULL, *ed_bulkin = NULL; |
| 190 | char *devinfop; |
| 191 | int i; |
| 192 | |
| 193 | aprint_naive("\n" ); |
| 194 | aprint_normal("\n" ); |
| 195 | |
| 196 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 197 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 198 | usbd_devinfo_free(devinfop); |
| 199 | |
| 200 | sc->sc_dev = self; |
| 201 | sc->sc_udev = dev; |
| 202 | sc->sc_iface = uiaa->uiaa_iface; |
| 203 | snprintf(sc->sc_businfo, sizeof(sc->sc_businfo), "usb:%08x" , |
| 204 | sc->sc_udev->ud_cookie.cookie); |
| 205 | sc->sc_bulkin_bufferlen = PSEYE_BULKIN_BUFLEN; |
| 206 | |
| 207 | sc->sc_dying = sc->sc_running = 0; |
| 208 | cv_init(&sc->sc_cv, device_xname(self)); |
| 209 | mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); |
| 210 | |
| 211 | id = usbd_get_interface_descriptor(sc->sc_iface); |
| 212 | if (id == NULL) { |
| 213 | aprint_error_dev(self, "failed to get interface descriptor\n" ); |
| 214 | sc->sc_dying = 1; |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 219 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); |
| 220 | if (ed == NULL) { |
| 221 | aprint_error_dev(self, "couldn't get ep %d\n" , i); |
| 222 | sc->sc_dying = 1; |
| 223 | return; |
| 224 | } |
| 225 | |
| 226 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 227 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 228 | ed_bulkin = ed; |
| 229 | break; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | if (ed_bulkin == NULL) { |
| 234 | aprint_error_dev(self, "no bulk-in endpoint found\n" ); |
| 235 | sc->sc_dying = 1; |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | sc->sc_bulkin = ed_bulkin->bEndpointAddress; |
| 240 | |
| 241 | int error = pseye_init_pipes(sc); |
| 242 | if (error) { |
| 243 | aprint_error_dev(self, "couldn't open pipes\n" ); |
| 244 | return; |
| 245 | } |
| 246 | |
| 247 | error = usbd_create_xfer(sc->sc_bulkin_pipe, sc->sc_bulkin_bufferlen, |
| 248 | USBD_SHORT_XFER_OK, 0, &sc->sc_bulkin_xfer); |
| 249 | if (error) { |
| 250 | aprint_error_dev(self, "couldn't create transfer\n" ); |
| 251 | pseye_close_pipes(sc); |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | sc->sc_bulkin_buffer = usbd_get_buffer(sc->sc_bulkin_xfer); |
| 256 | |
| 257 | pseye_init(sc); |
| 258 | |
| 259 | if (!pmf_device_register(self, NULL, NULL)) |
| 260 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 261 | |
| 262 | sc->sc_videodev = video_attach_mi(&pseye_hw_if, self); |
| 263 | if (sc->sc_videodev == NULL) { |
| 264 | aprint_error_dev(self, "couldn't attach video layer\n" ); |
| 265 | sc->sc_dying = 1; |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, self); |
| 270 | |
| 271 | } |
| 272 | |
| 273 | static int |
| 274 | pseye_detach(device_t self, int flags) |
| 275 | { |
| 276 | struct pseye_softc *sc = device_private(self); |
| 277 | |
| 278 | sc->sc_dying = 1; |
| 279 | |
| 280 | pmf_device_deregister(self); |
| 281 | |
| 282 | if (sc->sc_videodev != NULL) { |
| 283 | config_detach(sc->sc_videodev, flags); |
| 284 | sc->sc_videodev = NULL; |
| 285 | } |
| 286 | |
| 287 | if (sc->sc_bulkin_pipe != NULL) { |
| 288 | usbd_abort_pipe(sc->sc_bulkin_pipe); |
| 289 | } |
| 290 | |
| 291 | if (sc->sc_bulkin_xfer != NULL) { |
| 292 | usbd_destroy_xfer(sc->sc_bulkin_xfer); |
| 293 | sc->sc_bulkin_xfer = NULL; |
| 294 | } |
| 295 | |
| 296 | if (sc->sc_bulkin_pipe != NULL) { |
| 297 | usbd_close_pipe(sc->sc_bulkin_pipe); |
| 298 | sc->sc_bulkin_pipe = NULL; |
| 299 | } |
| 300 | |
| 301 | mutex_enter(&sc->sc_mtx); |
| 302 | if (sc->sc_running) { |
| 303 | sc->sc_running = 0; |
| 304 | cv_wait_sig(&sc->sc_cv, &sc->sc_mtx); |
| 305 | } |
| 306 | mutex_exit(&sc->sc_mtx); |
| 307 | |
| 308 | cv_destroy(&sc->sc_cv); |
| 309 | mutex_destroy(&sc->sc_mtx); |
| 310 | |
| 311 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 312 | |
| 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | int |
| 317 | pseye_activate(device_t self, enum devact act) |
| 318 | { |
| 319 | struct pseye_softc *sc = device_private(self); |
| 320 | |
| 321 | switch (act) { |
| 322 | case DVACT_DEACTIVATE: |
| 323 | sc->sc_dying = 1; |
| 324 | return 0; |
| 325 | default: |
| 326 | return EOPNOTSUPP; |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | static void |
| 331 | pseye_childdet(device_t self, device_t child) |
| 332 | { |
| 333 | struct pseye_softc *sc = device_private(self); |
| 334 | |
| 335 | if (sc->sc_videodev) { |
| 336 | KASSERT(sc->sc_videodev == child); |
| 337 | sc->sc_videodev = NULL; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /* |
| 342 | * Device access |
| 343 | */ |
| 344 | |
| 345 | static void |
| 346 | pseye_init(struct pseye_softc *sc) |
| 347 | { |
| 348 | pseye_sccb_init(sc); |
| 349 | |
| 350 | pseye_setregv(sc, 0xc2, 0x0c); |
| 351 | pseye_setregv(sc, 0x88, 0xf8); |
| 352 | pseye_setregv(sc, 0xc3, 0x69); |
| 353 | pseye_setregv(sc, 0x89, 0xff); |
| 354 | pseye_setregv(sc, 0x76, 0x03); |
| 355 | pseye_setregv(sc, 0x92, 0x01); |
| 356 | pseye_setregv(sc, 0x93, 0x18); |
| 357 | pseye_setregv(sc, 0x94, 0x10); |
| 358 | pseye_setregv(sc, 0x95, 0x10); |
| 359 | pseye_setregv(sc, 0xe2, 0x00); |
| 360 | pseye_setregv(sc, 0xe7, 0x3e); |
| 361 | |
| 362 | pseye_setregv(sc, 0x96, 0x00); |
| 363 | |
| 364 | pseye_setreg(sc, 0x97, 0x20); |
| 365 | pseye_setreg(sc, 0x97, 0x20); |
| 366 | pseye_setreg(sc, 0x97, 0x20); |
| 367 | pseye_setreg(sc, 0x97, 0x0a); |
| 368 | pseye_setreg(sc, 0x97, 0x3f); |
| 369 | pseye_setreg(sc, 0x97, 0x4a); |
| 370 | pseye_setreg(sc, 0x97, 0x20); |
| 371 | pseye_setreg(sc, 0x97, 0x15); |
| 372 | pseye_setreg(sc, 0x97, 0x0b); |
| 373 | |
| 374 | pseye_setregv(sc, 0x8e, 0x40); |
| 375 | pseye_setregv(sc, 0x1f, 0x81); |
| 376 | pseye_setregv(sc, 0x34, 0x05); |
| 377 | pseye_setregv(sc, 0xe3, 0x04); |
| 378 | pseye_setregv(sc, 0x88, 0x00); |
| 379 | pseye_setregv(sc, 0x89, 0x00); |
| 380 | pseye_setregv(sc, 0x76, 0x00); |
| 381 | pseye_setregv(sc, 0xe7, 0x2e); |
| 382 | pseye_setregv(sc, 0x31, 0xf9); |
| 383 | pseye_setregv(sc, 0x25, 0x42); |
| 384 | pseye_setregv(sc, 0x21, 0xf0); |
| 385 | |
| 386 | pseye_setreg(sc, 0x1c, 0x00); |
| 387 | pseye_setreg(sc, 0x1d, 0x40); |
| 388 | pseye_setreg(sc, 0x1d, 0x02); /* payload size 0x0200 * 4 == 2048 */ |
| 389 | pseye_setreg(sc, 0x1d, 0x00); |
| 390 | pseye_setreg(sc, 0x1d, 0x02); /* frame size 0x025800 * 4 == 614400 */ |
| 391 | pseye_setreg(sc, 0x1d, 0x58); |
| 392 | pseye_setreg(sc, 0x1d, 0x00); |
| 393 | |
| 394 | pseye_setreg(sc, 0x1c, 0x0a); |
| 395 | pseye_setreg(sc, 0x1d, 0x08); /* enable UVC header */ |
| 396 | pseye_setreg(sc, 0x1d, 0x0e); |
| 397 | |
| 398 | pseye_setregv(sc, 0x8d, 0x1c); |
| 399 | pseye_setregv(sc, 0x8e, 0x80); |
| 400 | pseye_setregv(sc, 0xe5, 0x04); |
| 401 | |
| 402 | pseye_sccb_setreg(sc, 0x12, 0x80); |
| 403 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 404 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 405 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 406 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 407 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 408 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 409 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 410 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 411 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 412 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 413 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 414 | |
| 415 | pseye_sccb_setreg(sc, 0x3d, 0x03); |
| 416 | pseye_sccb_setreg(sc, 0x17, 0x26); |
| 417 | pseye_sccb_setreg(sc, 0x18, 0xa0); |
| 418 | pseye_sccb_setreg(sc, 0x19, 0x07); |
| 419 | pseye_sccb_setreg(sc, 0x1a, 0xf0); |
| 420 | pseye_sccb_setreg(sc, 0x32, 0x00); |
| 421 | pseye_sccb_setreg(sc, 0x29, 0xa0); |
| 422 | pseye_sccb_setreg(sc, 0x2c, 0xf0); |
| 423 | pseye_sccb_setreg(sc, 0x65, 0x20); |
| 424 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 425 | pseye_sccb_setreg(sc, 0x42, 0x7f); |
| 426 | pseye_sccb_setreg(sc, 0x63, 0xe0); |
| 427 | pseye_sccb_setreg(sc, 0x64, 0xff); |
| 428 | pseye_sccb_setreg(sc, 0x66, 0x00); |
| 429 | pseye_sccb_setreg(sc, 0x13, 0xf0); |
| 430 | pseye_sccb_setreg(sc, 0x0d, 0x41); |
| 431 | pseye_sccb_setreg(sc, 0x0f, 0xc5); |
| 432 | pseye_sccb_setreg(sc, 0x14, 0x11); |
| 433 | |
| 434 | pseye_sccb_setreg(sc, 0x22, 0x7f); |
| 435 | pseye_sccb_setreg(sc, 0x23, 0x03); |
| 436 | pseye_sccb_setreg(sc, 0x24, 0x40); |
| 437 | pseye_sccb_setreg(sc, 0x25, 0x30); |
| 438 | pseye_sccb_setreg(sc, 0x26, 0xa1); |
| 439 | pseye_sccb_setreg(sc, 0x2a, 0x00); |
| 440 | pseye_sccb_setreg(sc, 0x2b, 0x00); |
| 441 | pseye_sccb_setreg(sc, 0x6b, 0xaa); |
| 442 | pseye_sccb_setreg(sc, 0x13, 0xff); |
| 443 | |
| 444 | pseye_sccb_setreg(sc, 0x90, 0x05); |
| 445 | pseye_sccb_setreg(sc, 0x91, 0x01); |
| 446 | pseye_sccb_setreg(sc, 0x92, 0x03); |
| 447 | pseye_sccb_setreg(sc, 0x93, 0x00); |
| 448 | pseye_sccb_setreg(sc, 0x94, 0x60); |
| 449 | pseye_sccb_setreg(sc, 0x95, 0x3c); |
| 450 | pseye_sccb_setreg(sc, 0x96, 0x24); |
| 451 | pseye_sccb_setreg(sc, 0x97, 0x1e); |
| 452 | pseye_sccb_setreg(sc, 0x98, 0x62); |
| 453 | pseye_sccb_setreg(sc, 0x99, 0x80); |
| 454 | pseye_sccb_setreg(sc, 0x9a, 0x1e); |
| 455 | pseye_sccb_setreg(sc, 0x9b, 0x08); |
| 456 | pseye_sccb_setreg(sc, 0x9c, 0x20); |
| 457 | pseye_sccb_setreg(sc, 0x9e, 0x81); |
| 458 | |
| 459 | pseye_sccb_setreg(sc, 0xa6, 0x04); |
| 460 | pseye_sccb_setreg(sc, 0x7e, 0x0c); |
| 461 | pseye_sccb_setreg(sc, 0x7f, 0x16); |
| 462 | |
| 463 | pseye_sccb_setreg(sc, 0x80, 0x2a); |
| 464 | pseye_sccb_setreg(sc, 0x81, 0x4e); |
| 465 | pseye_sccb_setreg(sc, 0x82, 0x61); |
| 466 | pseye_sccb_setreg(sc, 0x83, 0x6f); |
| 467 | pseye_sccb_setreg(sc, 0x84, 0x7b); |
| 468 | pseye_sccb_setreg(sc, 0x85, 0x86); |
| 469 | pseye_sccb_setreg(sc, 0x86, 0x8e); |
| 470 | pseye_sccb_setreg(sc, 0x87, 0x97); |
| 471 | pseye_sccb_setreg(sc, 0x88, 0xa4); |
| 472 | pseye_sccb_setreg(sc, 0x89, 0xaf); |
| 473 | pseye_sccb_setreg(sc, 0x8a, 0xc5); |
| 474 | pseye_sccb_setreg(sc, 0x8b, 0xd7); |
| 475 | pseye_sccb_setreg(sc, 0x8c, 0xe8); |
| 476 | pseye_sccb_setreg(sc, 0x8d, 0x20); |
| 477 | |
| 478 | pseye_sccb_setreg(sc, 0x0c, 0x90); |
| 479 | |
| 480 | pseye_setregv(sc, 0xc0, 0x50); |
| 481 | pseye_setregv(sc, 0xc1, 0x3c); |
| 482 | pseye_setregv(sc, 0xc2, 0x0c); |
| 483 | |
| 484 | pseye_sccb_setreg(sc, 0x2b, 0x00); |
| 485 | pseye_sccb_setreg(sc, 0x22, 0x7f); |
| 486 | pseye_sccb_setreg(sc, 0x23, 0x03); |
| 487 | pseye_sccb_setreg(sc, 0x11, 0x01); |
| 488 | pseye_sccb_setreg(sc, 0x0c, 0xd0); |
| 489 | pseye_sccb_setreg(sc, 0x64, 0xff); |
| 490 | pseye_sccb_setreg(sc, 0x0d, 0x41); |
| 491 | |
| 492 | pseye_sccb_setreg(sc, 0x14, 0x41); |
| 493 | pseye_sccb_setreg(sc, 0x0e, 0xcd); |
| 494 | pseye_sccb_setreg(sc, 0xac, 0xbf); |
| 495 | pseye_sccb_setreg(sc, 0x8e, 0x00); |
| 496 | pseye_sccb_setreg(sc, 0x0c, 0xd0); |
| 497 | |
| 498 | pseye_stop(sc); |
| 499 | } |
| 500 | |
| 501 | static void |
| 502 | pseye_sccb_init(struct pseye_softc *sc) |
| 503 | { |
| 504 | pseye_setregv(sc, 0xe7, 0x3a); |
| 505 | pseye_setreg(sc, PSEYE_SCCB_ADDRESS, 0x60); |
| 506 | pseye_setreg(sc, PSEYE_SCCB_ADDRESS, 0x60); |
| 507 | pseye_setreg(sc, PSEYE_SCCB_ADDRESS, 0x60); |
| 508 | pseye_setreg(sc, PSEYE_SCCB_ADDRESS, 0x42); |
| 509 | } |
| 510 | |
| 511 | static void |
| 512 | pseye_stop(struct pseye_softc *sc) |
| 513 | { |
| 514 | pseye_led(sc, false); |
| 515 | pseye_setreg(sc, 0xe0, 0x09); |
| 516 | } |
| 517 | |
| 518 | static void |
| 519 | pseye_start(struct pseye_softc *sc) |
| 520 | { |
| 521 | pseye_led(sc, true); |
| 522 | pseye_setreg(sc, 0xe0, 0x00); |
| 523 | } |
| 524 | |
| 525 | static void |
| 526 | pseye_led(struct pseye_softc *sc, bool enabled) |
| 527 | { |
| 528 | uint8_t val; |
| 529 | |
| 530 | val = pseye_getreg(sc, 0x21); |
| 531 | pseye_setreg(sc, 0x21, val | 0x80); |
| 532 | |
| 533 | val = pseye_getreg(sc, 0x23); |
| 534 | if (enabled == true) |
| 535 | val |= 0x80; |
| 536 | else |
| 537 | val &= ~0x80; |
| 538 | pseye_setreg(sc, 0x23, val); |
| 539 | } |
| 540 | |
| 541 | static uint8_t |
| 542 | pseye_getreg(struct pseye_softc *sc, uint16_t reg) |
| 543 | { |
| 544 | usb_device_request_t req; |
| 545 | usbd_status err; |
| 546 | uint8_t buf; |
| 547 | |
| 548 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 549 | req.bRequest = 1; |
| 550 | USETW(req.wValue, 0x0000); |
| 551 | USETW(req.wIndex, reg); |
| 552 | USETW(req.wLength, 1); |
| 553 | |
| 554 | err = usbd_do_request(sc->sc_udev, &req, &buf); |
| 555 | if (err) { |
| 556 | aprint_error_dev(sc->sc_dev, "couldn't read reg 0x%04x: %s\n" , |
| 557 | reg, usbd_errstr(err)); |
| 558 | return 0xff; |
| 559 | } |
| 560 | |
| 561 | return buf; |
| 562 | } |
| 563 | |
| 564 | static void |
| 565 | pseye_setreg(struct pseye_softc *sc, uint16_t reg, uint8_t val) |
| 566 | { |
| 567 | usb_device_request_t req; |
| 568 | usbd_status err; |
| 569 | |
| 570 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 571 | req.bRequest = 1; |
| 572 | USETW(req.wValue, 0x0000); |
| 573 | USETW(req.wIndex, reg); |
| 574 | USETW(req.wLength, 1); |
| 575 | |
| 576 | err = usbd_do_request(sc->sc_udev, &req, &val); |
| 577 | if (err) |
| 578 | aprint_error_dev(sc->sc_dev, "couldn't write reg 0x%04x: %s\n" , |
| 579 | reg, usbd_errstr(err)); |
| 580 | } |
| 581 | |
| 582 | static void |
| 583 | pseye_setregv(struct pseye_softc *sc, uint16_t reg, uint8_t val) |
| 584 | { |
| 585 | pseye_setreg(sc, reg, val); |
| 586 | if (pseye_getreg(sc, reg) != val) |
| 587 | aprint_error_dev(sc->sc_dev, "couldn't verify reg 0x%04x\n" , |
| 588 | reg); |
| 589 | } |
| 590 | |
| 591 | static void |
| 592 | pseye_sccb_setreg(struct pseye_softc *sc, uint8_t reg, uint8_t val) |
| 593 | { |
| 594 | pseye_setreg(sc, PSEYE_SCCB_SUBADDR, reg); |
| 595 | pseye_setreg(sc, PSEYE_SCCB_WRITE, val); |
| 596 | pseye_setreg(sc, PSEYE_SCCB_OPERATION, PSEYE_SCCB_OP_WRITE_3); |
| 597 | |
| 598 | if (pseye_sccb_status(sc) == false) |
| 599 | aprint_error_dev(sc->sc_dev, "couldn't write sccb reg 0x%04x\n" , |
| 600 | reg); |
| 601 | } |
| 602 | |
| 603 | static bool |
| 604 | pseye_sccb_status(struct pseye_softc *sc) |
| 605 | { |
| 606 | int retry = 5; |
| 607 | uint8_t reg; |
| 608 | |
| 609 | while (retry-- >= 0) { |
| 610 | reg = pseye_getreg(sc, PSEYE_SCCB_STATUS); |
| 611 | if (reg == 0x00) |
| 612 | return true; |
| 613 | else if (reg == 0x04) |
| 614 | return false; |
| 615 | } |
| 616 | |
| 617 | aprint_error_dev(sc->sc_dev, "timeout reading sccb status\n" ); |
| 618 | return false; |
| 619 | } |
| 620 | |
| 621 | static usbd_status |
| 622 | pseye_get_frame(struct pseye_softc *sc, uint32_t *plen) |
| 623 | { |
| 624 | if (sc->sc_dying) |
| 625 | return USBD_IOERROR; |
| 626 | |
| 627 | return usbd_bulk_transfer(sc->sc_bulkin_xfer, sc->sc_bulkin_pipe, |
| 628 | USBD_SHORT_XFER_OK, 1000, sc->sc_bulkin_buffer, plen); |
| 629 | } |
| 630 | |
| 631 | static int |
| 632 | pseye_init_pipes(struct pseye_softc *sc) |
| 633 | { |
| 634 | usbd_status err; |
| 635 | |
| 636 | if (sc->sc_dying) |
| 637 | return EIO; |
| 638 | |
| 639 | err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin, 0, |
| 640 | &sc->sc_bulkin_pipe); |
| 641 | if (err) { |
| 642 | aprint_error_dev(sc->sc_dev, "couldn't open bulk-in pipe: %s\n" , |
| 643 | usbd_errstr(err)); |
| 644 | return ENOMEM; |
| 645 | } |
| 646 | |
| 647 | return 0; |
| 648 | } |
| 649 | |
| 650 | int |
| 651 | pseye_close_pipes(struct pseye_softc *sc) |
| 652 | { |
| 653 | if (sc->sc_bulkin_pipe != NULL) { |
| 654 | usbd_abort_pipe(sc->sc_bulkin_pipe); |
| 655 | usbd_close_pipe(sc->sc_bulkin_pipe); |
| 656 | sc->sc_bulkin_pipe = NULL; |
| 657 | } |
| 658 | |
| 659 | return 0; |
| 660 | } |
| 661 | |
| 662 | static void |
| 663 | pseye_submit_payload(struct pseye_softc *sc, uint32_t tlen) |
| 664 | { |
| 665 | struct video_payload payload; |
| 666 | uvideo_payload_header_t *uvchdr; |
| 667 | uint8_t *buf = sc->sc_bulkin_buffer; |
| 668 | uint32_t len; |
| 669 | uint32_t brem = (640*480*2); |
| 670 | |
| 671 | while (brem > 0 && tlen > 0) { |
| 672 | len = min(tlen, PSEYE_BULKIN_BLKLEN); |
| 673 | if (len < UVIDEO_PAYLOAD_HEADER_SIZE) { |
| 674 | printf("pseye_submit_payload: len=%u\n" , len); |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | uvchdr = (uvideo_payload_header_t *)buf; |
| 679 | if (uvchdr->bHeaderLength != UVIDEO_PAYLOAD_HEADER_SIZE) |
| 680 | goto next; |
| 681 | if (uvchdr->bHeaderLength == len && |
| 682 | !(uvchdr->bmHeaderInfo & UV_END_OF_FRAME)) |
| 683 | goto next; |
| 684 | if (uvchdr->bmHeaderInfo & UV_ERROR) |
| 685 | return; |
| 686 | if ((uvchdr->bmHeaderInfo & UV_PRES_TIME) == 0) |
| 687 | goto next; |
| 688 | |
| 689 | payload.data = buf + uvchdr->bHeaderLength; |
| 690 | payload.size = min(brem, len - uvchdr->bHeaderLength); |
| 691 | payload.frameno = UGETDW(&buf[2]); |
| 692 | payload.end_of_frame = uvchdr->bmHeaderInfo & UV_END_OF_FRAME; |
| 693 | video_submit_payload(sc->sc_videodev, &payload); |
| 694 | |
| 695 | next: |
| 696 | tlen -= len; |
| 697 | buf += len; |
| 698 | brem -= payload.size; |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | static void |
| 703 | pseye_transfer_thread(void *opaque) |
| 704 | { |
| 705 | struct pseye_softc *sc = opaque; |
| 706 | uint32_t len; |
| 707 | int error; |
| 708 | |
| 709 | while (sc->sc_running) { |
| 710 | len = sc->sc_bulkin_bufferlen; |
| 711 | error = pseye_get_frame(sc, &len); |
| 712 | if (error == USBD_NORMAL_COMPLETION) |
| 713 | pseye_submit_payload(sc, len); |
| 714 | } |
| 715 | |
| 716 | mutex_enter(&sc->sc_mtx); |
| 717 | cv_broadcast(&sc->sc_cv); |
| 718 | mutex_exit(&sc->sc_mtx); |
| 719 | |
| 720 | kthread_exit(0); |
| 721 | } |
| 722 | |
| 723 | /* video(9) API implementations */ |
| 724 | static int |
| 725 | pseye_open(void *opaque, int flags) |
| 726 | { |
| 727 | struct pseye_softc *sc = opaque; |
| 728 | |
| 729 | if (sc->sc_dying) |
| 730 | return EIO; |
| 731 | |
| 732 | pseye_start(sc); |
| 733 | |
| 734 | return 0; |
| 735 | } |
| 736 | |
| 737 | static void |
| 738 | pseye_close(void *opaque) |
| 739 | { |
| 740 | struct pseye_softc *sc = opaque; |
| 741 | |
| 742 | pseye_stop(sc); |
| 743 | } |
| 744 | |
| 745 | static const char * |
| 746 | pseye_get_devname(void *opaque) |
| 747 | { |
| 748 | return "PlayStation Eye" ; |
| 749 | } |
| 750 | |
| 751 | static const char * |
| 752 | pseye_get_businfo(void *opaque) |
| 753 | { |
| 754 | struct pseye_softc *sc = opaque; |
| 755 | |
| 756 | return sc->sc_businfo; |
| 757 | } |
| 758 | |
| 759 | static int |
| 760 | pseye_enum_format(void *opaque, uint32_t index, struct video_format *format) |
| 761 | { |
| 762 | if (index != 0) |
| 763 | return EINVAL; |
| 764 | return pseye_get_format(opaque, format); |
| 765 | } |
| 766 | |
| 767 | static int |
| 768 | pseye_get_format(void *opaque, struct video_format *format) |
| 769 | { |
| 770 | format->pixel_format = VIDEO_FORMAT_YUY2; /* XXX actually YUYV */ |
| 771 | format->width = 640; |
| 772 | format->height = 480; |
| 773 | format->aspect_x = 4; |
| 774 | format->aspect_y = 3; |
| 775 | format->sample_size = format->width * format->height * 2; |
| 776 | format->stride = format->width * 2; |
| 777 | format->color.primaries = VIDEO_COLOR_PRIMARIES_UNSPECIFIED; |
| 778 | format->color.gamma_function = VIDEO_GAMMA_FUNCTION_UNSPECIFIED; |
| 779 | format->color.matrix_coeff = VIDEO_MATRIX_COEFF_UNSPECIFIED; |
| 780 | format->interlace_flags = VIDEO_INTERLACE_ON; |
| 781 | format->priv = 0; |
| 782 | |
| 783 | return 0; |
| 784 | } |
| 785 | |
| 786 | static int |
| 787 | pseye_set_format(void *opaque, struct video_format *format) |
| 788 | { |
| 789 | #if notyet |
| 790 | if (format->pixel_format != VIDEO_FORMAT_YUYV) |
| 791 | return EINVAL; |
| 792 | if (format->width != 640 || format->height != 480) |
| 793 | return EINVAL; |
| 794 | #endif |
| 795 | /* XXX */ |
| 796 | return pseye_get_format(opaque, format); |
| 797 | } |
| 798 | |
| 799 | static int |
| 800 | pseye_try_format(void *opaque, struct video_format *format) |
| 801 | { |
| 802 | return pseye_get_format(opaque, format); |
| 803 | } |
| 804 | |
| 805 | static int |
| 806 | pseye_start_transfer(void *opaque) |
| 807 | { |
| 808 | struct pseye_softc *sc = opaque; |
| 809 | int err = 0; |
| 810 | |
| 811 | mutex_enter(&sc->sc_mtx); |
| 812 | if (sc->sc_running == 0) { |
| 813 | sc->sc_running = 1; |
| 814 | err = kthread_create(PRI_PSEYE, 0, NULL, pseye_transfer_thread, |
| 815 | opaque, NULL, "%s" , device_xname(sc->sc_dev)); |
| 816 | } else |
| 817 | aprint_error_dev(sc->sc_dev, "transfer already in progress\n" ); |
| 818 | mutex_exit(&sc->sc_mtx); |
| 819 | |
| 820 | return err; |
| 821 | } |
| 822 | |
| 823 | static int |
| 824 | pseye_stop_transfer(void *opaque) |
| 825 | { |
| 826 | struct pseye_softc *sc = opaque; |
| 827 | |
| 828 | mutex_enter(&sc->sc_mtx); |
| 829 | if (sc->sc_running) { |
| 830 | sc->sc_running = 0; |
| 831 | cv_wait_sig(&sc->sc_cv, &sc->sc_mtx); |
| 832 | } |
| 833 | mutex_exit(&sc->sc_mtx); |
| 834 | |
| 835 | return 0; |
| 836 | } |
| 837 | |
| 838 | MODULE(MODULE_CLASS_DRIVER, pseye, NULL); |
| 839 | |
| 840 | #ifdef _MODULE |
| 841 | #include "ioconf.c" |
| 842 | #endif |
| 843 | |
| 844 | static int |
| 845 | pseye_modcmd(modcmd_t cmd, void *opaque) |
| 846 | { |
| 847 | switch (cmd) { |
| 848 | case MODULE_CMD_INIT: |
| 849 | #ifdef _MODULE |
| 850 | return config_init_component(cfdriver_ioconf_pseye, |
| 851 | cfattach_ioconf_pseye, cfdata_ioconf_pseye); |
| 852 | #else |
| 853 | return 0; |
| 854 | #endif |
| 855 | case MODULE_CMD_FINI: |
| 856 | #ifdef _MODULE |
| 857 | return config_fini_component(cfdriver_ioconf_pseye, |
| 858 | cfattach_ioconf_pseye, cfdata_ioconf_pseye); |
| 859 | #else |
| 860 | return 0; |
| 861 | #endif |
| 862 | default: |
| 863 | return ENOTTY; |
| 864 | } |
| 865 | } |
| 866 | |