diff options
Diffstat (limited to 'sys/dev/usb2/controller/at91dci_atmelarm.c')
| -rw-r--r-- | sys/dev/usb2/controller/at91dci_atmelarm.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/sys/dev/usb2/controller/at91dci_atmelarm.c b/sys/dev/usb2/controller/at91dci_atmelarm.c deleted file mode 100644 index 39d3782..0000000 --- a/sys/dev/usb2/controller/at91dci_atmelarm.c +++ /dev/null @@ -1,347 +0,0 @@ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/*- - * Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - - -#include <dev/usb2/include/usb2_mfunc.h> -#include <dev/usb2/include/usb2_defs.h> -#include <dev/usb2/include/usb2_standard.h> - -#include <dev/usb2/core/usb2_core.h> -#include <dev/usb2/core/usb2_busdma.h> -#include <dev/usb2/core/usb2_process.h> -#include <dev/usb2/core/usb2_sw_transfer.h> -#include <dev/usb2/core/usb2_util.h> - -#include <dev/usb2/controller/usb2_controller.h> -#include <dev/usb2/controller/usb2_bus.h> -#include <dev/usb2/controller/at91dci.h> - -#include <sys/rman.h> - -#include <arm/at91/at91_pmcvar.h> -#include <arm/at91/at91rm92reg.h> -#include <arm/at91/at91_pio_rm9200.h> -#include <arm/at91/at91_piovar.h> - -#define MEM_RID 0 - -/* Pin Definitions - do they belong here or somewhere else ? */ - -#define VBUS_MASK AT91C_PIO_PB24 -#define VBUS_BASE AT91RM92_PIOB_BASE - -#define PULLUP_MASK AT91C_PIO_PB22 -#define PULLUP_BASE AT91RM92_PIOB_BASE - -static device_probe_t at91_udp_probe; -static device_attach_t at91_udp_attach; -static device_detach_t at91_udp_detach; -static device_shutdown_t at91_udp_shutdown; - -struct at91_udp_softc { - struct at91dci_softc sc_dci; /* must be first */ - struct at91_pmc_clock *sc_iclk; - struct at91_pmc_clock *sc_fclk; - struct resource *sc_vbus_irq_res; - void *sc_vbus_intr_hdl; -}; - -static void -at91_vbus_poll(struct at91_udp_softc *sc) -{ - uint32_t temp; - uint8_t vbus_val; - - /* XXX temporary clear interrupts here */ - - temp = at91_pio_gpio_clear_interrupt(VBUS_BASE); - - /* just forward it */ - - vbus_val = at91_pio_gpio_get(VBUS_BASE, VBUS_MASK); - at91dci_vbus_interrupt(&sc->sc_dci, vbus_val); -} - -static void -at91_udp_clocks_on(void *arg) -{ - struct at91_udp_softc *sc = arg; - - at91_pmc_clock_enable(sc->sc_iclk); - at91_pmc_clock_enable(sc->sc_fclk); -} - -static void -at91_udp_clocks_off(void *arg) -{ - struct at91_udp_softc *sc = arg; - - at91_pmc_clock_disable(sc->sc_fclk); - at91_pmc_clock_disable(sc->sc_iclk); -} - -static void -at91_udp_pull_up(void *arg) -{ - at91_pio_gpio_set(PULLUP_BASE, PULLUP_MASK); -} - -static void -at91_udp_pull_down(void *arg) -{ - at91_pio_gpio_clear(PULLUP_BASE, PULLUP_MASK); -} - -static int -at91_udp_probe(device_t dev) -{ - device_set_desc(dev, "AT91 integrated AT91_UDP controller"); - return (0); -} - -static int -at91_udp_attach(device_t dev) -{ - struct at91_udp_softc *sc = device_get_softc(dev); - int err; - int rid; - - /* setup AT9100 USB device controller interface softc */ - - sc->sc_dci.sc_clocks_on = &at91_udp_clocks_on; - sc->sc_dci.sc_clocks_off = &at91_udp_clocks_off; - sc->sc_dci.sc_clocks_arg = sc; - sc->sc_dci.sc_pull_up = &at91_udp_pull_up; - sc->sc_dci.sc_pull_down = &at91_udp_pull_down; - sc->sc_dci.sc_pull_arg = sc; - - /* initialise some bus fields */ - sc->sc_dci.sc_bus.parent = dev; - sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices; - sc->sc_dci.sc_bus.devices_max = AT91_MAX_DEVICES; - - /* get all DMA memory */ - if (usb2_bus_mem_alloc_all(&sc->sc_dci.sc_bus, - USB_GET_DMA_TAG(dev), NULL)) { - return (ENOMEM); - } - /* - * configure VBUS input pin, enable deglitch and enable - * interrupt : - */ - at91_pio_use_gpio(VBUS_BASE, VBUS_MASK); - at91_pio_gpio_input(VBUS_BASE, VBUS_MASK); - at91_pio_gpio_set_deglitch(VBUS_BASE, VBUS_MASK, 1); - at91_pio_gpio_set_interrupt(VBUS_BASE, VBUS_MASK, 1); - - /* - * configure PULLUP output pin : - */ - at91_pio_use_gpio(PULLUP_BASE, PULLUP_MASK); - at91_pio_gpio_output(PULLUP_BASE, PULLUP_MASK, 0); - - at91_udp_pull_down(sc); - - /* wait 10ms for pulldown to stabilise */ - usb2_pause_mtx(NULL, hz / 100); - - sc->sc_iclk = at91_pmc_clock_ref("udc_clk"); - sc->sc_fclk = at91_pmc_clock_ref("udpck"); - - rid = MEM_RID; - sc->sc_dci.sc_io_res = - bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); - - if (!(sc->sc_dci.sc_io_res)) { - err = ENOMEM; - goto error; - } - sc->sc_dci.sc_io_tag = rman_get_bustag(sc->sc_dci.sc_io_res); - sc->sc_dci.sc_io_hdl = rman_get_bushandle(sc->sc_dci.sc_io_res); - sc->sc_dci.sc_io_size = rman_get_size(sc->sc_dci.sc_io_res); - - rid = 0; - sc->sc_dci.sc_irq_res = - bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); - if (!(sc->sc_dci.sc_irq_res)) { - goto error; - } - rid = 1; - sc->sc_vbus_irq_res = - bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); - if (!(sc->sc_vbus_irq_res)) { - goto error; - } - sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1); - if (!(sc->sc_dci.sc_bus.bdev)) { - goto error; - } - device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus); - -#if (__FreeBSD_version >= 700031) - err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - NULL, (void *)at91dci_interrupt, sc, &sc->sc_dci.sc_intr_hdl); -#else - err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - (void *)at91dci_interrupt, sc, &sc->sc_dci.sc_intr_hdl); -#endif - if (err) { - sc->sc_dci.sc_intr_hdl = NULL; - goto error; - } -#if (__FreeBSD_version >= 700031) - err = bus_setup_intr(dev, sc->sc_vbus_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - NULL, (void *)at91_vbus_poll, sc, &sc->sc_vbus_intr_hdl); -#else - err = bus_setup_intr(dev, sc->sc_vbus_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, - (void *)at91_vbus_poll, sc, &sc->sc_vbus_intr_hdl); -#endif - if (err) { - sc->sc_vbus_intr_hdl = NULL; - goto error; - } - err = at91dci_init(&sc->sc_dci); - if (!err) { - err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev); - } - if (err) { - goto error; - } else { - /* poll VBUS one time */ - at91_vbus_poll(sc); - } - return (0); - -error: - at91_udp_detach(dev); - return (ENXIO); -} - -static int -at91_udp_detach(device_t dev) -{ - struct at91_udp_softc *sc = device_get_softc(dev); - device_t bdev; - int err; - - if (sc->sc_dci.sc_bus.bdev) { - bdev = sc->sc_dci.sc_bus.bdev; - device_detach(bdev); - device_delete_child(dev, bdev); - } - /* during module unload there are lots of children leftover */ - device_delete_all_children(dev); - - /* disable Transceiver */ - AT91_UDP_WRITE_4(&sc->sc_dci, AT91_UDP_TXVC, AT91_UDP_TXVC_DIS); - - /* disable and clear all interrupts */ - AT91_UDP_WRITE_4(&sc->sc_dci, AT91_UDP_IDR, 0xFFFFFFFF); - AT91_UDP_WRITE_4(&sc->sc_dci, AT91_UDP_ICR, 0xFFFFFFFF); - - /* disable VBUS interrupt */ - at91_pio_gpio_set_interrupt(VBUS_BASE, VBUS_MASK, 0); - - if (sc->sc_vbus_irq_res && sc->sc_vbus_intr_hdl) { - err = bus_teardown_intr(dev, sc->sc_vbus_irq_res, - sc->sc_vbus_intr_hdl); - sc->sc_vbus_intr_hdl = NULL; - } - if (sc->sc_vbus_irq_res) { - bus_release_resource(dev, SYS_RES_IRQ, 1, - sc->sc_vbus_irq_res); - sc->sc_vbus_irq_res = NULL; - } - if (sc->sc_dci.sc_irq_res && sc->sc_dci.sc_intr_hdl) { - /* - * only call at91_udp_uninit() after at91_udp_init() - */ - at91dci_uninit(&sc->sc_dci); - - err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res, - sc->sc_dci.sc_intr_hdl); - sc->sc_dci.sc_intr_hdl = NULL; - } - if (sc->sc_dci.sc_irq_res) { - bus_release_resource(dev, SYS_RES_IRQ, 0, - sc->sc_dci.sc_irq_res); - sc->sc_dci.sc_irq_res = NULL; - } - if (sc->sc_dci.sc_io_res) { - bus_release_resource(dev, SYS_RES_MEMORY, MEM_RID, - sc->sc_dci.sc_io_res); - sc->sc_dci.sc_io_res = NULL; - } - usb2_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL); - - /* disable clocks */ - at91_pmc_clock_disable(sc->sc_iclk); - at91_pmc_clock_disable(sc->sc_fclk); - at91_pmc_clock_deref(sc->sc_fclk); - at91_pmc_clock_deref(sc->sc_iclk); - - return (0); -} - -static int -at91_udp_shutdown(device_t dev) -{ - struct at91_udp_softc *sc = device_get_softc(dev); - int err; - - err = bus_generic_shutdown(dev); - if (err) - return (err); - - at91dci_uninit(&sc->sc_dci); - - return (0); -} - -static device_method_t at91_udp_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, at91_udp_probe), - DEVMETHOD(device_attach, at91_udp_attach), - DEVMETHOD(device_detach, at91_udp_detach), - DEVMETHOD(device_shutdown, at91_udp_shutdown), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - - {0, 0} -}; - -static driver_t at91_udp_driver = { - "at91_udp", - at91_udp_methods, - sizeof(struct at91_udp_softc), -}; - -static devclass_t at91_udp_devclass; - -DRIVER_MODULE(at91_udp, atmelarm, at91_udp_driver, at91_udp_devclass, 0, 0); |
