cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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otg_fsm.h (2536B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) 2014 Freescale Semiconductor, Inc.
      4 *
      5 * Author: Jun Li
      6 */
      7
      8#ifndef __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
      9#define __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
     10
     11#include <linux/usb/otg-fsm.h>
     12
     13/*
     14 *  A-DEVICE timing  constants
     15 */
     16
     17/* Wait for VBUS Rise  */
     18#define TA_WAIT_VRISE        (100)	/* a_wait_vrise: section 7.1.2
     19					 * a_wait_vrise_tmr: section 7.4.5.1
     20					 * TA_VBUS_RISE <= 100ms, section 4.4
     21					 * Table 4-1: Electrical Characteristics
     22					 * ->DC Electrical Timing
     23					 */
     24/* Wait for VBUS Fall  */
     25#define TA_WAIT_VFALL        (1000)	/* a_wait_vfall: section 7.1.7
     26					 * a_wait_vfall_tmr: section: 7.4.5.2
     27					 */
     28/* Wait for B-Connect */
     29#define TA_WAIT_BCON         (10000)	/* a_wait_bcon: section 7.1.3
     30					 * TA_WAIT_BCON: should be between 1100
     31					 * and 30000 ms, section 5.5, Table 5-1
     32					 */
     33/* A-Idle to B-Disconnect */
     34#define TA_AIDL_BDIS         (5000)	/* a_suspend min 200 ms, section 5.2.1
     35					 * TA_AIDL_BDIS: section 5.5, Table 5-1
     36					 */
     37/* B-Idle to A-Disconnect */
     38#define TA_BIDL_ADIS         (500)	/* TA_BIDL_ADIS: section 5.2.1
     39					 * 500ms is used for B switch to host
     40					 * for safe
     41					 */
     42
     43/*
     44 * B-device timing constants
     45 */
     46
     47/* Data-Line Pulse Time*/
     48#define TB_DATA_PLS          (10)	/* b_srp_init,continue 5~10ms
     49					 * section:5.1.3
     50					 */
     51/* SRP Fail Time  */
     52#define TB_SRP_FAIL          (6000)	/* b_srp_init,fail time 5~6s
     53					 * section:5.1.6
     54					 */
     55/* A-SE0 to B-Reset  */
     56#define TB_ASE0_BRST         (155)	/* minimum 155 ms, section:5.3.1 */
     57/* SE0 Time Before SRP */
     58#define TB_SE0_SRP           (1000)	/* b_idle,minimum 1s, section:5.1.2 */
     59/* SSEND time before SRP */
     60#define TB_SSEND_SRP         (1500)	/* minimum 1.5 sec, section:5.1.2 */
     61
     62#define TB_AIDL_BDIS         (20)	/* 4ms ~ 150ms, section 5.2.1 */
     63
     64#if IS_ENABLED(CONFIG_USB_OTG_FSM)
     65
     66int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci);
     67int ci_otg_fsm_work(struct ci_hdrc *ci);
     68irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci);
     69void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci);
     70void ci_hdrc_otg_fsm_remove(struct ci_hdrc *ci);
     71
     72#else
     73
     74static inline int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
     75{
     76	return 0;
     77}
     78
     79static inline int ci_otg_fsm_work(struct ci_hdrc *ci)
     80{
     81	return -ENXIO;
     82}
     83
     84static inline irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci)
     85{
     86	return IRQ_NONE;
     87}
     88
     89static inline void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci)
     90{
     91
     92}
     93
     94static inline void ci_hdrc_otg_fsm_remove(struct ci_hdrc *ci)
     95{
     96
     97}
     98
     99#endif
    100
    101#endif /* __DRIVERS_USB_CHIPIDEA_OTG_FSM_H */