diff options
Diffstat (limited to 'drivers/usb/gadget/ci13xxx_msm.c')
-rw-r--r-- | drivers/usb/gadget/ci13xxx_msm.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c deleted file mode 100644 index d07e44c05e9b..000000000000 --- a/drivers/usb/gadget/ci13xxx_msm.c +++ /dev/null @@ -1,126 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. 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 version 2 and - * only version 2 as published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/usb/msm_hsusb_hw.h> -#include <linux/usb/ulpi.h> - -#include "ci13xxx_udc.c" - -#define MSM_USB_BASE (udc->regs) - -static irqreturn_t msm_udc_irq(int irq, void *data) -{ - return udc_irq(); -} - -static void ci13xxx_msm_notify_event(struct ci13xxx *udc, unsigned event) -{ - struct device *dev = udc->gadget.dev.parent; - int val; - - switch (event) { - case CI13XXX_CONTROLLER_RESET_EVENT: - dev_dbg(dev, "CI13XXX_CONTROLLER_RESET_EVENT received\n"); - writel(0, USB_AHBBURST); - writel(0, USB_AHBMODE); - break; - case CI13XXX_CONTROLLER_STOPPED_EVENT: - dev_dbg(dev, "CI13XXX_CONTROLLER_STOPPED_EVENT received\n"); - /* - * Put the transceiver in non-driving mode. Otherwise host - * may not detect soft-disconnection. - */ - val = usb_phy_io_read(udc->transceiver, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - usb_phy_io_write(udc->transceiver, val, ULPI_FUNC_CTRL); - break; - default: - dev_dbg(dev, "unknown ci13xxx_udc event\n"); - break; - } -} - -static struct ci13xxx_udc_driver ci13xxx_msm_udc_driver = { - .name = "ci13xxx_msm", - .flags = CI13XXX_REGS_SHARED | - CI13XXX_REQUIRE_TRANSCEIVER | - CI13XXX_PULLUP_ON_VBUS | - CI13XXX_DISABLE_STREAMING, - - .notify_event = ci13xxx_msm_notify_event, -}; - -static int ci13xxx_msm_probe(struct platform_device *pdev) -{ - struct resource *res; - void __iomem *regs; - int irq; - int ret; - - dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n"); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "failed to get platform resource mem\n"); - return -ENXIO; - } - - regs = ioremap(res->start, resource_size(res)); - if (!regs) { - dev_err(&pdev->dev, "ioremap failed\n"); - return -ENOMEM; - } - - ret = udc_probe(&ci13xxx_msm_udc_driver, &pdev->dev, regs); - if (ret < 0) { - dev_err(&pdev->dev, "udc_probe failed\n"); - goto iounmap; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "IRQ not found\n"); - ret = -ENXIO; - goto udc_remove; - } - - ret = request_irq(irq, msm_udc_irq, IRQF_SHARED, pdev->name, pdev); - if (ret < 0) { - dev_err(&pdev->dev, "request_irq failed\n"); - goto udc_remove; - } - - pm_runtime_no_callbacks(&pdev->dev); - pm_runtime_enable(&pdev->dev); - - return 0; - -udc_remove: - udc_remove(); -iounmap: - iounmap(regs); - - return ret; -} - -static struct platform_driver ci13xxx_msm_driver = { - .probe = ci13xxx_msm_probe, - .driver = { .name = "msm_hsusb", }, -}; -MODULE_ALIAS("platform:msm_hsusb"); - -static int __init ci13xxx_msm_init(void) -{ - return platform_driver_register(&ci13xxx_msm_driver); -} -module_init(ci13xxx_msm_init); - -MODULE_LICENSE("GPL v2"); |