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rtwn_usb_attach.c
(11.87 KB)
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rtwn_usb_attach.h
(7 KB)
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rtwn_usb_ep.c
(6.57 KB)
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rtwn_usb_ep.h
(989 B)
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rtwn_usb_reg.c
(4.36 KB)
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rtwn_usb_reg.h
(1.62 KB)
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rtwn_usb_rx.c
(11.31 KB)
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rtwn_usb_rx.h
(947 B)
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rtwn_usb_tx.c
(7.15 KB)
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rtwn_usb_tx.h
(1.04 KB)
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rtwn_usb_var.h
(2.52 KB)
Editing: rtwn_usb_reg.c
/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ /*- * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/mbuf.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/systm.h> #include <sys/malloc.h> #include <sys/queue.h> #include <sys/taskqueue.h> #include <sys/bus.h> #include <sys/endian.h> #include <net/if.h> #include <net/ethernet.h> #include <net/if_media.h> #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_radiotap.h> #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> #include <dev/rtwn/if_rtwnvar.h> #include <dev/rtwn/if_rtwn_debug.h> #include <dev/rtwn/usb/rtwn_usb_var.h> #include <dev/rtwn/usb/rtwn_usb_reg.h> static int rtwn_do_request(struct rtwn_softc *, struct usb_device_request *, void *); static int rtwn_usb_read_region_1(struct rtwn_softc *, uint16_t, uint8_t *, int); /* USB Requests. */ #define R92C_REQ_REGS 0x05 static int rtwn_do_request(struct rtwn_softc *sc, struct usb_device_request *req, void *data) { struct rtwn_usb_softc *uc = RTWN_USB_SOFTC(sc); usb_error_t err; int ntries = 10; RTWN_ASSERT_LOCKED(sc); while (ntries--) { err = usbd_do_request_flags(uc->uc_udev, &sc->sc_mtx, req, data, 0, NULL, 250 /* ms */); if (err == USB_ERR_NORMAL_COMPLETION) return (0); RTWN_DPRINTF(sc, RTWN_DEBUG_USB, "%s: control request failed, %s (retries left: %d)\n", __func__, usbd_errstr(err), ntries); if (err == USB_ERR_NOT_CONFIGURED) return (ENXIO); usb_pause_mtx(&sc->sc_mtx, hz / 100); } return (EIO); } /* export for rtwn_fw_write_block() */ int rtwn_usb_write_region_1(struct rtwn_softc *sc, uint16_t addr, uint8_t *buf, int len) { usb_device_request_t req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = R92C_REQ_REGS; USETW(req.wValue, addr); USETW(req.wIndex, 0); USETW(req.wLength, len); return (rtwn_do_request(sc, &req, buf)); } int rtwn_usb_write_1(struct rtwn_softc *sc, uint16_t addr, uint8_t val) { return (rtwn_usb_write_region_1(sc, addr, &val, sizeof(val))); } int rtwn_usb_write_2(struct rtwn_softc *sc, uint16_t addr, uint16_t val) { val = htole16(val); return (rtwn_usb_write_region_1(sc, addr, (uint8_t *)&val, sizeof(val))); } int rtwn_usb_write_4(struct rtwn_softc *sc, uint16_t addr, uint32_t val) { val = htole32(val); return (rtwn_usb_write_region_1(sc, addr, (uint8_t *)&val, sizeof(val))); } static int rtwn_usb_read_region_1(struct rtwn_softc *sc, uint16_t addr, uint8_t *buf, int len) { usb_device_request_t req; req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = R92C_REQ_REGS; USETW(req.wValue, addr); USETW(req.wIndex, 0); USETW(req.wLength, len); return (rtwn_do_request(sc, &req, buf)); } uint8_t rtwn_usb_read_1(struct rtwn_softc *sc, uint16_t addr) { uint8_t val; if (rtwn_usb_read_region_1(sc, addr, &val, 1) != 0) return (0xff); return (val); } uint16_t rtwn_usb_read_2(struct rtwn_softc *sc, uint16_t addr) { uint16_t val; if (rtwn_usb_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0) return (0xffff); return (le16toh(val)); } uint32_t rtwn_usb_read_4(struct rtwn_softc *sc, uint16_t addr) { uint32_t val; if (rtwn_usb_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0) return (0xffffffff); return (le32toh(val)); } void rtwn_usb_delay(struct rtwn_softc *sc, int usec) { /* 1ms delay as default is too big. */ if (usec < 1000) DELAY(usec); else usb_pause_mtx(&sc->sc_mtx, msecs_to_ticks(usec / 1000)); }
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