154 lines
5.2 KiB
C
154 lines
5.2 KiB
C
/* $NetBSD: amlogic_dwctwo.c,v 1.2 2015/02/28 18:50:57 jmcneill Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Nick Hudson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: amlogic_dwctwo.c,v 1.2 2015/02/28 18:50:57 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/mutex.h>
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#include <sys/bus.h>
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#include <sys/workqueue.h>
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#include <arm/amlogic/amlogic_reg.h>
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#include <arm/amlogic/amlogic_crureg.h>
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#include <arm/amlogic/amlogic_var.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dwc2/dwc2var.h>
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#include <dwc2/dwc2.h>
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#include "dwc2_core.h"
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struct amlogic_dwctwo_softc {
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struct dwc2_softc sc_dwc2;
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void *sc_ih;
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};
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static struct dwc2_core_params amlogic_dwctwo_params = {
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.otg_cap = 2, /* 0 - HNP/SRP capable */
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.otg_ver = 1, /* 1 - 2.0 */
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.dma_enable = -1, /* 1 - DMA (default, if available) */
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.dma_desc_enable = 0, /* 1 - Descriptor DMA (default, if available) */
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.speed = -1, /* 0 - High Speed */
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.enable_dynamic_fifo = 1, /* 1 - Allow dynamic FIFO sizing (default, if available) */
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.en_multiple_tx_fifo = -1, /* Specifies whether dedicated per-endpoint transmit FIFOs are enabled */
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.host_rx_fifo_size = 512, /* 512 DWORDs */
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.host_nperio_tx_fifo_size = 500, /* 500 DWORDs */
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.host_perio_tx_fifo_size = -1, /* 256 DWORDs */
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.max_transfer_size = -1, /* 2047 to 65,535 */
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.max_packet_count = -1, /* 15 to 511 */
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.host_channels = -1, /* 1 to 16 */
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.phy_type = 1, /* 1- UTMI+ Phy */
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.phy_utmi_width = -1, /* 8 bits */
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.phy_ulpi_ddr = -1, /* Single */
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.phy_ulpi_ext_vbus = -1,
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.i2c_enable = -1,
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.ulpi_fs_ls = -1, /* 0 - No (default) */
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.host_support_fs_ls_low_power = -1, /* 0 - Don't support low power mode (default) */
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.host_ls_low_power_phy_clk = -1, /* 1 - 48 MHz default when phy_type is UTMI+ or ULPI*/
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.ts_dline = -1, /* 0 - No (default) */
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.reload_ctl = -1, /* 0 - No (default for core < 2.92a) */
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.ahbcfg = 0x3, /* INCR4 */
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.uframe_sched = 1, /* True to enable microframe scheduler */
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};
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static int amlogic_dwctwo_match(device_t, struct cfdata *, void *);
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static void amlogic_dwctwo_attach(device_t, device_t, void *);
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static void amlogic_dwctwo_deferred(device_t);
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CFATTACH_DECL_NEW(amlogic_dwctwo, sizeof(struct amlogic_dwctwo_softc),
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amlogic_dwctwo_match, amlogic_dwctwo_attach, NULL, NULL);
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static int
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amlogic_dwctwo_match(device_t parent, struct cfdata *match, void *aux)
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{
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return 1;
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}
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static void
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amlogic_dwctwo_attach(device_t parent, device_t self, void *aux)
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{
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struct amlogic_dwctwo_softc * const sc = device_private(self);
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struct amlogicio_attach_args * const aio = aux;
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const struct amlogic_locators * const loc = &aio->aio_loc;
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sc->sc_dwc2.sc_dev = self;
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sc->sc_dwc2.sc_iot = aio->aio_core_bst;
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bus_space_subregion(aio->aio_core_bst, aio->aio_bsh,
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loc->loc_offset, loc->loc_size, &sc->sc_dwc2.sc_ioh);
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sc->sc_dwc2.sc_bus.dmatag = aio->aio_dmat;
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sc->sc_dwc2.sc_params = &amlogic_dwctwo_params;
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aprint_naive("\n");
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aprint_normal(": USB controller\n");
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sc->sc_ih = intr_establish(loc->loc_intr, IPL_SCHED,
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IST_LEVEL, dwc2_intr, &sc->sc_dwc2);
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if (sc->sc_ih == NULL) {
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aprint_error_dev(self, "failed to establish interrupt %d\n",
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loc->loc_intr);
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goto fail;
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}
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config_defer(self, amlogic_dwctwo_deferred);
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return;
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fail:
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if (sc->sc_ih) {
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intr_disestablish(sc->sc_ih);
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sc->sc_ih = NULL;
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}
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}
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static void
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amlogic_dwctwo_deferred(device_t self)
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{
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struct amlogic_dwctwo_softc *sc = device_private(self);
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int error;
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error = dwc2_init(&sc->sc_dwc2);
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if (error != 0) {
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aprint_error_dev(self, "couldn't initialize host, error=%d\n",
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error);
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return;
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}
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sc->sc_dwc2.sc_child = config_found(sc->sc_dwc2.sc_dev,
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&sc->sc_dwc2.sc_bus, usbctlprint);
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}
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