1 /* $NetBSD: auvitek.c,v 1.3 2010/12/28 04:02:33 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 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 * Auvitek AU0828 USB controller 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: auvitek.c,v 1.3 2010/12/28 04:02:33 jmcneill Exp $"); 35 36 #include <sys/types.h> 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/conf.h> 41 #include <sys/bus.h> 42 #include <sys/module.h> 43 44 #include <dev/usb/usb.h> 45 #include <dev/usb/usbdi.h> 46 #include <dev/usb/usbdi_util.h> 47 #include <dev/usb/usbdevs.h> 48 49 #include <dev/usb/auvitekreg.h> 50 #include <dev/usb/auvitekvar.h> 51 52 static int auvitek_match(device_t, cfdata_t, void *); 53 static void auvitek_attach(device_t, device_t, void *); 54 static int auvitek_detach(device_t, int); 55 static void auvitek_childdet(device_t, device_t); 56 static int auvitek_activate(device_t, enum devact); 57 58 CFATTACH_DECL2_NEW(auvitek, sizeof(struct auvitek_softc), 59 auvitek_match, auvitek_attach, auvitek_detach, auvitek_activate, 60 NULL, auvitek_childdet); 61 62 static const struct { 63 uint16_t vendor; 64 uint16_t product; 65 const char * name; 66 enum auvitek_board board; 67 } auvitek_devices[] = { 68 { 0x2040, 0x7200, 69 "WinTV HVR-950Q", AUVITEK_BOARD_HVR_950Q }, 70 { 0x2040, 0x7240, 71 "WinTV HVR-850", AUVITEK_BOARD_HVR_850 }, 72 }; 73 74 static int 75 auvitek_match(device_t parent, cfdata_t match, void *opaque) 76 { 77 struct usb_attach_arg *uaa = opaque; 78 unsigned int i; 79 80 for (i = 0; i < __arraycount(auvitek_devices); i++) { 81 if (auvitek_devices[i].vendor == uaa->vendor && 82 auvitek_devices[i].product == uaa->product) 83 return UMATCH_VENDOR_PRODUCT; 84 } 85 86 return UMATCH_NONE; 87 } 88 89 static void 90 auvitek_attach(device_t parent, device_t self, void *opaque) 91 { 92 struct auvitek_softc *sc = device_private(self); 93 struct usb_attach_arg *uaa = opaque; 94 usbd_device_handle dev = uaa->device; 95 usb_endpoint_descriptor_t *ed; 96 usbd_status err; 97 unsigned int i; 98 uint8_t nep; 99 100 aprint_naive("\n"); 101 aprint_normal(": AU0828\n"); 102 103 sc->sc_dev = self; 104 sc->sc_udev = dev; 105 sc->sc_uport = uaa->port; 106 107 for (i = 0; i < __arraycount(auvitek_devices); i++) { 108 if (auvitek_devices[i].vendor == uaa->vendor && 109 auvitek_devices[i].product == uaa->product) 110 break; 111 } 112 KASSERT(i != __arraycount(auvitek_devices)); 113 sc->sc_descr = auvitek_devices[i].name; 114 sc->sc_board = auvitek_devices[i].board; 115 116 sc->sc_dying = sc->sc_running = 0; 117 118 mutex_init(&sc->sc_subdev_lock, MUTEX_DEFAULT, IPL_VM); 119 120 err = usbd_set_config_index(dev, 0, 1); 121 if (err) { 122 aprint_error_dev(self, "couldn't set config index: %s\n", 123 usbd_errstr(err)); 124 return; 125 } 126 err = usbd_device2interface_handle(dev, 0, &sc->sc_iface); 127 if (err) { 128 aprint_error_dev(self, "couldn't get interface handle: %s\n", 129 usbd_errstr(err)); 130 return; 131 } 132 133 err = usbd_set_interface(sc->sc_iface, AUVITEK_XFER_ALTNO); 134 if (err) { 135 aprint_error_dev(self, "couldn't set interface: %s\n", 136 usbd_errstr(err)); 137 return; 138 } 139 140 nep = 0; 141 usbd_endpoint_count(sc->sc_iface, &nep); 142 sc->sc_ax.ax_sc = sc; 143 sc->sc_ax.ax_endpt = -1; 144 for (i = 0; i < nep; i++) { 145 int dir, type; 146 147 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 148 if (ed == NULL) { 149 aprint_error_dev(self, 150 "couldn't read endpoint descriptor %d\n", i); 151 continue; 152 } 153 154 dir = UE_GET_DIR(ed->bEndpointAddress); 155 type = UE_GET_XFERTYPE(ed->bmAttributes); 156 157 if (dir == UE_DIR_IN && type == UE_ISOCHRONOUS) { 158 sc->sc_ax.ax_endpt = ed->bEndpointAddress; 159 sc->sc_ax.ax_maxpktlen = 160 UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) * 161 (UE_GET_TRANS(UGETW(ed->wMaxPacketSize)) + 1); 162 break; 163 } 164 } 165 err = usbd_set_interface(sc->sc_iface, 0); 166 if (err) { 167 aprint_error_dev(self, "couldn't set interface: %s\n", 168 usbd_errstr(err)); 169 sc->sc_dying = 1; 170 return; 171 } 172 if (sc->sc_ax.ax_endpt == -1) { 173 aprint_error_dev(self, "couldn't find isoc endpoint\n"); 174 sc->sc_dying = 1; 175 return; 176 } 177 if (sc->sc_ax.ax_maxpktlen == 0) { 178 aprint_error_dev(self, "couldn't determine packet length\n"); 179 sc->sc_dying = 1; 180 return; 181 } 182 183 aprint_debug_dev(self, "isoc endpoint 0x%02x size %d\n", 184 sc->sc_ax.ax_endpt, sc->sc_ax.ax_maxpktlen); 185 186 auvitek_board_init(sc); 187 188 auvitek_i2c_attach(sc); 189 190 sc->sc_au8522 = au8522_open(self, &sc->sc_i2c, 0x8e >> 1); 191 if (sc->sc_au8522 == NULL) { 192 aprint_error_dev(sc->sc_dev, "couldn't initialize decoder\n"); 193 sc->sc_dying = 1; 194 return; 195 } 196 197 auvitek_video_attach(sc); 198 auvitek_audio_attach(sc); 199 } 200 201 static int 202 auvitek_detach(device_t self, int flags) 203 { 204 struct auvitek_softc *sc = device_private(self); 205 206 sc->sc_dying = 1; 207 208 pmf_device_deregister(self); 209 210 auvitek_audio_detach(sc, flags); 211 auvitek_video_detach(sc, flags); 212 213 if (sc->sc_xc5k) 214 xc5k_close(sc->sc_xc5k); 215 if (sc->sc_au8522) 216 au8522_close(sc->sc_au8522); 217 218 auvitek_i2c_detach(sc, flags); 219 220 mutex_destroy(&sc->sc_subdev_lock); 221 222 return 0; 223 } 224 225 int 226 auvitek_activate(device_t self, enum devact act) 227 { 228 struct auvitek_softc *sc = device_private(self); 229 230 switch (act) { 231 case DVACT_DEACTIVATE: 232 sc->sc_dying = 1; 233 return 0; 234 default: 235 return 0; 236 } 237 } 238 239 static void 240 auvitek_childdet(device_t self, device_t child) 241 { 242 struct auvitek_softc *sc = device_private(self); 243 244 auvitek_video_childdet(sc, child); 245 } 246 247 uint8_t 248 auvitek_read_1(struct auvitek_softc *sc, uint16_t reg) 249 { 250 usb_device_request_t req; 251 usbd_status err; 252 int actlen; 253 uint8_t data; 254 255 req.bmRequestType = UT_READ_VENDOR_DEVICE; 256 req.bRequest = AU0828_CMD_REQUEST_IN; 257 USETW(req.wValue, 0); 258 USETW(req.wIndex, reg); 259 USETW(req.wLength, sizeof(data)); 260 261 err = usbd_do_request_flags(sc->sc_udev, &req, &data, 0, 262 &actlen, USBD_DEFAULT_TIMEOUT); 263 if (err) 264 printf("%s: read failed: %s\n", device_xname(sc->sc_dev), 265 usbd_errstr(err)); 266 267 return data; 268 } 269 270 void 271 auvitek_write_1(struct auvitek_softc *sc, uint16_t reg, uint8_t data) 272 { 273 usb_device_request_t req; 274 usbd_status err; 275 int actlen; 276 277 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 278 req.bRequest = AU0828_CMD_REQUEST_OUT; 279 USETW(req.wValue, data); 280 USETW(req.wIndex, reg); 281 USETW(req.wLength, 0); 282 283 err = usbd_do_request_flags(sc->sc_udev, &req, NULL, 0, 284 &actlen, USBD_DEFAULT_TIMEOUT); 285 if (err) 286 printf("%s: write failed: %s\n", device_xname(sc->sc_dev), 287 usbd_errstr(err)); 288 } 289 290 MODULE(MODULE_CLASS_DRIVER, auvitek, "au8522,xc5k"); 291 292 #ifdef _MODULE 293 #include "ioconf.c" 294 #endif 295 296 static int 297 auvitek_modcmd(modcmd_t cmd, void *opaque) 298 { 299 switch (cmd) { 300 case MODULE_CMD_INIT: 301 #ifdef _MODULE 302 return config_init_component(cfdriver_ioconf_auvitek, 303 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek); 304 #else 305 return 0; 306 #endif 307 case MODULE_CMD_FINI: 308 #ifdef _MODULE 309 return config_fini_component(cfdriver_ioconf_auvitek, 310 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek); 311 #else 312 return 0; 313 #endif 314 default: 315 return ENOTTY; 316 } 317 } 318