diff options
Diffstat (limited to 'arch/tile/gxio/usb_host.c')
-rw-r--r-- | arch/tile/gxio/usb_host.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/arch/tile/gxio/usb_host.c b/arch/tile/gxio/usb_host.c deleted file mode 100644 index 785afad7922e..000000000000 --- a/arch/tile/gxio/usb_host.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -/* - * - * Implementation of USB gxio calls. - */ - -#include <linux/io.h> -#include <linux/errno.h> -#include <linux/module.h> - -#include <gxio/iorpc_globals.h> -#include <gxio/iorpc_usb_host.h> -#include <gxio/kiorpc.h> -#include <gxio/usb_host.h> - -int gxio_usb_host_init(gxio_usb_host_context_t *context, int usb_index, - int is_ehci) -{ - char file[32]; - int fd; - - if (is_ehci) - snprintf(file, sizeof(file), "usb_host/%d/iorpc/ehci", - usb_index); - else - snprintf(file, sizeof(file), "usb_host/%d/iorpc/ohci", - usb_index); - - fd = hv_dev_open((HV_VirtAddr) file, 0); - if (fd < 0) { - if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) - return fd; - else - return -ENODEV; - } - - context->fd = fd; - - // Map in the MMIO space. - context->mmio_base = - (void __force *)iorpc_ioremap(fd, 0, HV_USB_HOST_MMIO_SIZE); - - if (context->mmio_base == NULL) { - hv_dev_close(context->fd); - return -ENODEV; - } - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_init); - -int gxio_usb_host_destroy(gxio_usb_host_context_t *context) -{ - iounmap((void __force __iomem *)(context->mmio_base)); - hv_dev_close(context->fd); - - context->mmio_base = NULL; - context->fd = -1; - - return 0; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_destroy); - -void *gxio_usb_host_get_reg_start(gxio_usb_host_context_t *context) -{ - return context->mmio_base; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_get_reg_start); - -size_t gxio_usb_host_get_reg_len(gxio_usb_host_context_t *context) -{ - return HV_USB_HOST_MMIO_SIZE; -} - -EXPORT_SYMBOL_GPL(gxio_usb_host_get_reg_len); |