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/* SPDX-License-Identifier: GPL-2.0 */
/*
* OMAP EHCI port support
* Based on LINUX KERNEL
* drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com*
* Author: Govindraj R <govindraj.raja@ti.com>
*/
#ifndef _OMAP_COMMON_EHCI_H_
#define _OMAP_COMMON_EHCI_H_
enum usbhs_omap_port_mode {
OMAP_USBHS_PORT_MODE_UNUSED,
OMAP_EHCI_PORT_MODE_PHY,
OMAP_EHCI_PORT_MODE_TLL,
OMAP_EHCI_PORT_MODE_HSIC,
};
#define OMAP_HS_USB_PORTS 3
#define is_ehci_phy_mode(x) ((x) == OMAP_EHCI_PORT_MODE_PHY)
#define is_ehci_tll_mode(x) ((x) == OMAP_EHCI_PORT_MODE_TLL)
#define is_ehci_hsic_mode(x) ((x) == OMAP_EHCI_PORT_MODE_HSIC)
/* Values of UHH_REVISION - Note: these are not given in the TRM */
#define OMAP_USBHS_REV1 0x00000010 /* OMAP3 */
#define OMAP_USBHS_REV2 0x50700100 /* OMAP4 */
#define OMAP_USBHS_REV2_1 0x50700101 /* OMAP5 */
/* UHH Register Set */
#define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2)
#define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3)
#define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4)
#define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN (1 << 5)
#define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS 1
#define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS (1 << 11)
#define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS (1 << 12)
#define OMAP4_UHH_HOSTCONFIG_APP_START_CLK (1 << 31)
#define OMAP_P1_MODE_CLEAR (3 << 16)
#define OMAP_P1_MODE_TLL (1 << 16)
#define OMAP_P1_MODE_HSIC (3 << 16)
#define OMAP_P2_MODE_CLEAR (3 << 18)
#define OMAP_P2_MODE_TLL (1 << 18)
#define OMAP_P2_MODE_HSIC (3 << 18)
#define OMAP_P3_MODE_CLEAR (3 << 20)
#define OMAP_P3_MODE_HSIC (3 << 20)
/* EHCI Register Set */
#define EHCI_INSNREG04_DISABLE_UNSUSPEND (1 << 5)
#define EHCI_INSNREG05_ULPI_CONTROL_SHIFT 31
#define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT 24
#define EHCI_INSNREG05_ULPI_OPSEL_SHIFT 22
#define EHCI_INSNREG05_ULPI_REGADD_SHIFT 16
#define OMAP_REV1_TLL_CHANNEL_COUNT 3
#define OMAP_REV2_TLL_CHANNEL_COUNT 2
/* TLL Register Set */
#define OMAP_TLL_CHANNEL_CONF(num) (0x004 * num)
#define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16)
#define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15)
#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11)
#define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI (2 << 1)
#define OMAP_TLL_CHANNEL_CONF_CHANEN 1
struct omap_usbhs_board_data {
enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS];
};
struct omap_usbtll {
u32 rev; /* 0x00 */
u32 hwinfo; /* 0x04 */
u8 reserved1[0x8];
u32 sysc; /* 0x10 */
u32 syss; /* 0x14 */
u32 irqst; /* 0x18 */
u32 irqen; /* 0x1c */
u8 reserved2[0x10];
u32 shared_conf; /* 0x30 */
u8 reserved3[0xc];
u32 channel_conf; /* 0x40 */
};
struct omap_uhh {
u32 rev; /* 0x00 */
u32 hwinfo; /* 0x04 */
u8 reserved1[0x8];
u32 sysc; /* 0x10 */
u32 syss; /* 0x14 */
u8 reserved2[0x28];
u32 hostconfig; /* 0x40 */
u32 debugcsr; /* 0x44 */
};
struct omap_ehci {
u32 hccapbase; /* 0x00 */
u32 hcsparams; /* 0x04 */
u32 hccparams; /* 0x08 */
u8 reserved1[0x04];
u32 usbcmd; /* 0x10 */
u32 usbsts; /* 0x14 */
u32 usbintr; /* 0x18 */
u32 frindex; /* 0x1c */
u32 ctrldssegment; /* 0x20 */
u32 periodiclistbase; /* 0x24 */
u32 asysnclistaddr; /* 0x28 */
u8 reserved2[0x24];
u32 configflag; /* 0x50 */
u32 portsc_i; /* 0x54 */
u8 reserved3[0x38];
u32 insreg00; /* 0x90 */
u32 insreg01; /* 0x94 */
u32 insreg02; /* 0x98 */
u32 insreg03; /* 0x9c */
u32 insreg04; /* 0xa0 */
u32 insreg05_utmi_ulpi; /* 0xa4 */
u32 insreg06; /* 0xa8 */
u32 insreg07; /* 0xac */
u32 insreg08; /* 0xb0 */
};
/*
* FIXME: forward declaration of this structs needed because omap got the
* ehci implementation backwards. move out ehci_hcd_x from board files
*/
struct ehci_hccr;
struct ehci_hcor;
int omap_ehci_hcd_init(int index, struct omap_usbhs_board_data *usbhs_pdata,
struct ehci_hccr **hccr, struct ehci_hcor **hcor);
int omap_ehci_hcd_stop(void);
#endif /* _OMAP_COMMON_EHCI_H_ */
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