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auvitek.c revision 1.5
      1 /* $NetBSD: auvitek.c,v 1.5 2011/08/09 01:42:24 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2010 Jared D. McNeill <jmcneill (at) 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 1.5 2011/08/09 01:42:24 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 int	auvitek_rescan(device_t, const char *, const int *);
     56 static void	auvitek_childdet(device_t, device_t);
     57 static int	auvitek_activate(device_t, enum devact);
     58 
     59 CFATTACH_DECL2_NEW(auvitek, sizeof(struct auvitek_softc),
     60     auvitek_match, auvitek_attach, auvitek_detach, auvitek_activate,
     61     auvitek_rescan, auvitek_childdet);
     62 
     63 static const struct {
     64 	uint16_t		vendor;
     65 	uint16_t		product;
     66 	const char *		name;
     67 	enum auvitek_board	board;
     68 } auvitek_devices[] = {
     69 	{ 0x2040, 0x7200,
     70 	  "WinTV HVR-950Q", AUVITEK_BOARD_HVR_950Q },
     71 	{ 0x2040, 0x7240,
     72 	  "WinTV HVR-850", AUVITEK_BOARD_HVR_850 },
     73 };
     74 
     75 static int
     76 auvitek_match(device_t parent, cfdata_t match, void *opaque)
     77 {
     78 	struct usb_attach_arg *uaa = opaque;
     79 	unsigned int i;
     80 
     81 	for (i = 0; i < __arraycount(auvitek_devices); i++) {
     82 		if (auvitek_devices[i].vendor == uaa->vendor &&
     83 		    auvitek_devices[i].product == uaa->product)
     84 			return UMATCH_VENDOR_PRODUCT;
     85 	}
     86 
     87 	return UMATCH_NONE;
     88 }
     89 
     90 static void
     91 auvitek_attach(device_t parent, device_t self, void *opaque)
     92 {
     93 	struct auvitek_softc *sc = device_private(self);
     94 	struct usb_attach_arg *uaa = opaque;
     95 	usbd_device_handle dev = uaa->device;
     96 	usb_endpoint_descriptor_t *ed;
     97 	usbd_status err;
     98 	unsigned int i;
     99 	uint8_t nep;
    100 
    101 	aprint_naive("\n");
    102 	aprint_normal(": AU0828\n");
    103 
    104 	sc->sc_dev = self;
    105 	sc->sc_udev = dev;
    106 	sc->sc_uport = uaa->port;
    107 
    108 	for (i = 0; i < __arraycount(auvitek_devices); i++) {
    109 		if (auvitek_devices[i].vendor == uaa->vendor &&
    110 		    auvitek_devices[i].product == uaa->product)
    111 			break;
    112 	}
    113 	KASSERT(i != __arraycount(auvitek_devices));
    114 	sc->sc_descr = auvitek_devices[i].name;
    115 	sc->sc_board = auvitek_devices[i].board;
    116 
    117 	sc->sc_dying = sc->sc_running = 0;
    118 
    119 	mutex_init(&sc->sc_subdev_lock, MUTEX_DEFAULT, IPL_NONE);
    120 	mutex_init(&sc->sc_ab.ab_lock, MUTEX_DEFAULT, IPL_USB);
    121 	cv_init(&sc->sc_ab.ab_cv, "auvitekbulk");
    122 
    123 	err = usbd_set_config_index(dev, 0, 1);
    124 	if (err) {
    125 		aprint_error_dev(self, "couldn't set config index: %s\n",
    126 		    usbd_errstr(err));
    127 		return;
    128 	}
    129 	err = usbd_device2interface_handle(dev, 0, &sc->sc_isoc_iface);
    130 	if (err) {
    131 		aprint_error_dev(self, "couldn't get interface handle: %s\n",
    132 		    usbd_errstr(err));
    133 		return;
    134 	}
    135 	err = usbd_device2interface_handle(dev, 3, &sc->sc_bulk_iface);
    136 	if (err) {
    137 		aprint_error_dev(self, "couldn't get interface handle: %s\n",
    138 		    usbd_errstr(err));
    139 		return;
    140 	}
    141 
    142 	sc->sc_ax.ax_sc = sc->sc_ab.ab_sc = sc;
    143 	sc->sc_ax.ax_endpt = sc->sc_ab.ab_endpt = -1;
    144 
    145 	err = usbd_set_interface(sc->sc_isoc_iface, AUVITEK_XFER_ALTNO);
    146 	if (err) {
    147 		aprint_error_dev(self, "couldn't set interface: %s\n",
    148 		    usbd_errstr(err));
    149 		return;
    150 	}
    151 
    152 	nep = 0;
    153 	usbd_endpoint_count(sc->sc_isoc_iface, &nep);
    154 	for (i = 0; i < nep; i++) {
    155 		int dir, type;
    156 
    157 		ed = usbd_interface2endpoint_descriptor(sc->sc_isoc_iface, i);
    158 		if (ed == NULL) {
    159 			aprint_error_dev(self,
    160 			    "couldn't read endpoint descriptor %d\n", i);
    161 			continue;
    162 		}
    163 
    164 		dir = UE_GET_DIR(ed->bEndpointAddress);
    165 		type = UE_GET_XFERTYPE(ed->bmAttributes);
    166 
    167 		if (dir == UE_DIR_IN && type == UE_ISOCHRONOUS &&
    168 		    sc->sc_ax.ax_endpt == -1) {
    169 			sc->sc_ax.ax_endpt = ed->bEndpointAddress;
    170 			sc->sc_ax.ax_maxpktlen =
    171 			    UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) *
    172 			    (UE_GET_TRANS(UGETW(ed->wMaxPacketSize)) + 1);
    173 		}
    174 	}
    175 
    176 	err = usbd_set_interface(sc->sc_isoc_iface, 0);
    177 	if (err) {
    178 		aprint_error_dev(self, "couldn't set interface: %s\n",
    179 		    usbd_errstr(err));
    180 		return;
    181 	}
    182 
    183 	if (sc->sc_ax.ax_endpt == -1) {
    184 		aprint_error_dev(self, "couldn't find isoc endpoint\n");
    185 		sc->sc_dying = 1;
    186 		return;
    187 	}
    188 	if (sc->sc_ax.ax_maxpktlen == 0) {
    189 		aprint_error_dev(self, "couldn't determine packet length\n");
    190 		sc->sc_dying = 1;
    191 		return;
    192 	}
    193 
    194 	aprint_debug_dev(self, "isoc endpoint 0x%02x size %d\n",
    195 	    sc->sc_ax.ax_endpt, sc->sc_ax.ax_maxpktlen);
    196 
    197 	nep = 0;
    198 	usbd_endpoint_count(sc->sc_bulk_iface, &nep);
    199 	for (i = 0; i < nep; i++) {
    200 		int dir, type;
    201 
    202 		ed = usbd_interface2endpoint_descriptor(sc->sc_bulk_iface, i);
    203 		if (ed == NULL) {
    204 			aprint_error_dev(self,
    205 			    "couldn't read endpoint descriptor %d\n", i);
    206 			continue;
    207 		}
    208 
    209 		dir = UE_GET_DIR(ed->bEndpointAddress);
    210 		type = UE_GET_XFERTYPE(ed->bmAttributes);
    211 
    212 		if (dir == UE_DIR_IN && type == UE_BULK &&
    213 		    sc->sc_ab.ab_endpt == -1) {
    214 			sc->sc_ab.ab_endpt = ed->bEndpointAddress;
    215 		}
    216 	}
    217 
    218 	if (sc->sc_ab.ab_endpt == -1) {
    219 		aprint_error_dev(self, "couldn't find bulk endpoint\n");
    220 		sc->sc_dying = 1;
    221 		return;
    222 	}
    223 
    224 	for (i = 0; i < AUVITEK_NBULK_XFERS; i++) {
    225 		sc->sc_ab.ab_bx[i].bx_sc = sc;
    226 		sc->sc_ab.ab_bx[i].bx_xfer = usbd_alloc_xfer(sc->sc_udev);
    227 		if (sc->sc_ab.ab_bx[i].bx_xfer == NULL) {
    228 			aprint_error_dev(self, "couldn't allocate xfer\n");
    229 			sc->sc_dying = 1;
    230 			return;
    231 		}
    232 		sc->sc_ab.ab_bx[i].bx_buffer = usbd_alloc_buffer(
    233 		    sc->sc_ab.ab_bx[i].bx_xfer, AUVITEK_BULK_BUFLEN);
    234 		if (sc->sc_ab.ab_bx[i].bx_buffer == NULL) {
    235 			aprint_error_dev(self,
    236 			    "couldn't allocate xfer buffer\n");
    237 			sc->sc_dying = 1;
    238 			return;
    239 		}
    240 	}
    241 
    242 	aprint_debug_dev(self, "bulk endpoint 0x%02x size %d\n",
    243 	    sc->sc_ab.ab_endpt, AUVITEK_BULK_BUFLEN);
    244 
    245 	auvitek_board_init(sc);
    246 
    247 	auvitek_i2c_attach(sc);
    248 
    249 	sc->sc_au8522 = au8522_open(self, &sc->sc_i2c, 0x8e >> 1,
    250 	    auvitek_board_get_if_frequency(sc));
    251 	if (sc->sc_au8522 == NULL) {
    252 		aprint_error_dev(sc->sc_dev, "couldn't initialize decoder\n");
    253 		sc->sc_dying = 1;
    254 		return;
    255 	}
    256 
    257 	auvitek_video_attach(sc);
    258 	auvitek_audio_attach(sc);
    259 	auvitek_dtv_attach(sc);
    260 }
    261 
    262 static int
    263 auvitek_detach(device_t self, int flags)
    264 {
    265 	struct auvitek_softc *sc = device_private(self);
    266 	unsigned int i;
    267 
    268 	sc->sc_dying = 1;
    269 
    270 	pmf_device_deregister(self);
    271 
    272 	auvitek_dtv_detach(sc, flags);
    273 	auvitek_audio_detach(sc, flags);
    274 	auvitek_video_detach(sc, flags);
    275 
    276 	if (sc->sc_xc5k)
    277 		xc5k_close(sc->sc_xc5k);
    278 	if (sc->sc_au8522)
    279 		au8522_close(sc->sc_au8522);
    280 
    281 	auvitek_i2c_detach(sc, flags);
    282 
    283 	mutex_destroy(&sc->sc_subdev_lock);
    284 
    285 	for (i = 0; i < AUVITEK_NBULK_XFERS; i++) {
    286 		if (sc->sc_ab.ab_bx[i].bx_xfer)
    287 			usbd_free_xfer(sc->sc_ab.ab_bx[i].bx_xfer);
    288 	}
    289 	cv_destroy(&sc->sc_ab.ab_cv);
    290 	mutex_destroy(&sc->sc_ab.ab_lock);
    291 
    292 	return 0;
    293 }
    294 
    295 int
    296 auvitek_activate(device_t self, enum devact act)
    297 {
    298 	struct auvitek_softc *sc = device_private(self);
    299 
    300 	switch (act) {
    301 	case DVACT_DEACTIVATE:
    302 		sc->sc_dying = 1;
    303 		return 0;
    304 	default:
    305 		return 0;
    306 	}
    307 }
    308 
    309 static int
    310 auvitek_rescan(device_t self, const char *ifattr, const int *locs)
    311 {
    312 	struct auvitek_softc *sc = device_private(self);
    313 
    314 	auvitek_video_rescan(sc, ifattr, locs);
    315 	auvitek_dtv_rescan(sc, ifattr, locs);
    316 
    317 	return 0;
    318 }
    319 
    320 static void
    321 auvitek_childdet(device_t self, device_t child)
    322 {
    323 	struct auvitek_softc *sc = device_private(self);
    324 
    325 	auvitek_video_childdet(sc, child);
    326 	auvitek_audio_childdet(sc, child);
    327 	auvitek_dtv_childdet(sc, child);
    328 }
    329 
    330 uint8_t
    331 auvitek_read_1(struct auvitek_softc *sc, uint16_t reg)
    332 {
    333 	usb_device_request_t req;
    334 	usbd_status err;
    335 	int actlen;
    336 	uint8_t data;
    337 
    338 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
    339 	req.bRequest = AU0828_CMD_REQUEST_IN;
    340 	USETW(req.wValue, 0);
    341 	USETW(req.wIndex, reg);
    342 	USETW(req.wLength, sizeof(data));
    343 
    344 	err = usbd_do_request_flags(sc->sc_udev, &req, &data, 0,
    345 	    &actlen, USBD_DEFAULT_TIMEOUT);
    346 	if (err)
    347 		printf("%s: read failed: %s\n", device_xname(sc->sc_dev),
    348 		    usbd_errstr(err));
    349 
    350 	return data;
    351 }
    352 
    353 void
    354 auvitek_write_1(struct auvitek_softc *sc, uint16_t reg, uint8_t data)
    355 {
    356 	usb_device_request_t req;
    357 	usbd_status err;
    358 	int actlen;
    359 
    360 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
    361 	req.bRequest = AU0828_CMD_REQUEST_OUT;
    362 	USETW(req.wValue, data);
    363 	USETW(req.wIndex, reg);
    364 	USETW(req.wLength, 0);
    365 
    366 	err = usbd_do_request_flags(sc->sc_udev, &req, NULL, 0,
    367 	    &actlen, USBD_DEFAULT_TIMEOUT);
    368 	if (err)
    369 		printf("%s: write failed: %s\n", device_xname(sc->sc_dev),
    370 		    usbd_errstr(err));
    371 }
    372 
    373 MODULE(MODULE_CLASS_DRIVER, auvitek, "au8522,xc5k");
    374 
    375 #ifdef _MODULE
    376 #include "ioconf.c"
    377 #endif
    378 
    379 static int
    380 auvitek_modcmd(modcmd_t cmd, void *opaque)
    381 {
    382 	switch (cmd) {
    383 	case MODULE_CMD_INIT:
    384 #ifdef _MODULE
    385 		return config_init_component(cfdriver_ioconf_auvitek,
    386 		    cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
    387 #else
    388 		return 0;
    389 #endif
    390 	case MODULE_CMD_FINI:
    391 #ifdef _MODULE
    392 		return config_fini_component(cfdriver_ioconf_auvitek,
    393 		    cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
    394 #else
    395 		return 0;
    396 #endif
    397 	default:
    398 		return ENOTTY;
    399 	}
    400 }
    401