hcd.c (c9c394abfa8456808fd3a0083f7fd81c3188bd0c) hcd.c (139fae7a08381c21026b05732e63c79018bb6c60)
1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2/*
3 * hcd.c - DesignWare HS OTG Controller host-mode routines
4 *
5 * Copyright (C) 2004-2013 Synopsys, Inc.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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51#include <linux/usb.h>
52
53#include <linux/usb/hcd.h>
54#include <linux/usb/ch11.h>
55
56#include "core.h"
57#include "hcd.h"
58
1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2/*
3 * hcd.c - DesignWare HS OTG Controller host-mode routines
4 *
5 * Copyright (C) 2004-2013 Synopsys, Inc.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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51#include <linux/usb.h>
52
53#include <linux/usb/hcd.h>
54#include <linux/usb/ch11.h>
55
56#include "core.h"
57#include "hcd.h"
58
59static void dwc2_port_resume(struct dwc2_hsotg *hsotg);
60
61/*
62 * =========================================================================
63 * Host Core Layer Functions
64 * =========================================================================
65 */
66
67/**
68 * dwc2_enable_common_interrupts() - Initializes the commmon interrupts,

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3272
3273static int dwc2_host_is_b_hnp_enabled(struct dwc2_hsotg *hsotg)
3274{
3275 struct usb_hcd *hcd = dwc2_hsotg_to_hcd(hsotg);
3276
3277 return hcd->self.b_hnp_enable;
3278}
3279
59/*
60 * =========================================================================
61 * Host Core Layer Functions
62 * =========================================================================
63 */
64
65/**
66 * dwc2_enable_common_interrupts() - Initializes the commmon interrupts,

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3270
3271static int dwc2_host_is_b_hnp_enabled(struct dwc2_hsotg *hsotg)
3272{
3273 struct usb_hcd *hcd = dwc2_hsotg_to_hcd(hsotg);
3274
3275 return hcd->self.b_hnp_enable;
3276}
3277
3280/* Must NOT be called with interrupt disabled or spinlock held */
3281static void dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex)
3278/**
3279 * dwc2_port_suspend() - Put controller in suspend mode for host.
3280 *
3281 * @hsotg: Programming view of the DWC_otg controller
3282 * @windex: The control request wIndex field
3283 *
3284 * This function is for entering Host mode suspend.
3285 * Must NOT be called with interrupt disabled or spinlock held.
3286 */
3287void dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex)
3282{
3283 unsigned long flags;
3284 u32 hprt0;
3285 u32 pcgctl;
3286 u32 gotgctl;
3287
3288 dev_dbg(hsotg->dev, "%s()\n", __func__);
3289

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3323 spin_unlock_irqrestore(&hsotg->lock, flags);
3324
3325 msleep(200);
3326 } else {
3327 spin_unlock_irqrestore(&hsotg->lock, flags);
3328 }
3329}
3330
3288{
3289 unsigned long flags;
3290 u32 hprt0;
3291 u32 pcgctl;
3292 u32 gotgctl;
3293
3294 dev_dbg(hsotg->dev, "%s()\n", __func__);
3295

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3329 spin_unlock_irqrestore(&hsotg->lock, flags);
3330
3331 msleep(200);
3332 } else {
3333 spin_unlock_irqrestore(&hsotg->lock, flags);
3334 }
3335}
3336
3331/* Must NOT be called with interrupt disabled or spinlock held */
3332static void dwc2_port_resume(struct dwc2_hsotg *hsotg)
3337/**
3338 * dwc2_port_resume() - Exit controller from suspend mode for host.
3339 *
3340 * @hsotg: Programming view of the DWC_otg controller
3341 *
3342 * This function is for exiting Host mode suspend.
3343 * Must NOT be called with interrupt disabled or spinlock held.
3344 */
3345void dwc2_port_resume(struct dwc2_hsotg *hsotg)
3333{
3334 unsigned long flags;
3335 u32 hprt0;
3336 u32 pcgctl;
3337
3338 spin_lock_irqsave(&hsotg->lock, flags);
3339
3340 /*

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3347 unsigned long flags;
3348 u32 hprt0;
3349 u32 pcgctl;
3350
3351 spin_lock_irqsave(&hsotg->lock, flags);
3352
3353 /*

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