diff options
Diffstat (limited to 'drivers/usb/cdns3/drd.h')
| -rw-r--r-- | drivers/usb/cdns3/drd.h | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h deleted file mode 100644 index bf6c7bc41b58..000000000000 --- a/drivers/usb/cdns3/drd.h +++ /dev/null @@ -1,166 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Cadence USB3 DRD header file. - * - * Copyright (C) 2018-2019 Cadence. - * - * Author: Pawel Laszczak <pawell@cadence.com> - */ -#ifndef __LINUX_CDNS3_DRD -#define __LINUX_CDNS3_DRD - -#include <linux/usb/otg.h> -#include <linux/phy/phy.h> -#include "core.h" - -/* DRD register interface for version v1. */ -struct cdns3_otg_regs { - __le32 did; - __le32 rid; - __le32 capabilities; - __le32 reserved1; - __le32 cmd; - __le32 sts; - __le32 state; - __le32 reserved2; - __le32 ien; - __le32 ivect; - __le32 refclk; - __le32 tmr; - __le32 reserved3[4]; - __le32 simulate; - __le32 override; - __le32 susp_ctrl; - __le32 reserved4; - __le32 anasts; - __le32 adp_ramp_time; - __le32 ctrl1; - __le32 ctrl2; -}; - -/* DRD register interface for version v0. */ -struct cdns3_otg_legacy_regs { - __le32 cmd; - __le32 sts; - __le32 state; - __le32 refclk; - __le32 ien; - __le32 ivect; - __le32 reserved1[3]; - __le32 tmr; - __le32 reserved2[2]; - __le32 version; - __le32 capabilities; - __le32 reserved3[2]; - __le32 simulate; - __le32 reserved4[5]; - __le32 ctrl1; -}; - -/* - * Common registers interface for both version of DRD. - */ -struct cdns3_otg_common_regs { - __le32 cmd; - __le32 sts; - __le32 state; - __le32 different1; - __le32 ien; - __le32 ivect; -}; - -/* CDNS_RID - bitmasks */ -#define CDNS_RID(p) ((p) & GENMASK(15, 0)) - -/* CDNS_VID - bitmasks */ -#define CDNS_DID(p) ((p) & GENMASK(31, 0)) - -/* OTGCMD - bitmasks */ -/* "Request the bus for Device mode. */ -#define OTGCMD_DEV_BUS_REQ BIT(0) -/* Request the bus for Host mode */ -#define OTGCMD_HOST_BUS_REQ BIT(1) -/* Enable OTG mode. */ -#define OTGCMD_OTG_EN BIT(2) -/* Disable OTG mode */ -#define OTGCMD_OTG_DIS BIT(3) -/*"Configure OTG as A-Device. */ -#define OTGCMD_A_DEV_EN BIT(4) -/*"Configure OTG as A-Device. */ -#define OTGCMD_A_DEV_DIS BIT(5) -/* Drop the bus for Device mod e. */ -#define OTGCMD_DEV_BUS_DROP BIT(8) -/* Drop the bus for Host mode*/ -#define OTGCMD_HOST_BUS_DROP BIT(9) -/* Power Down USBSS-DEV. */ -#define OTGCMD_DEV_POWER_OFF BIT(11) -/* Power Down CDNSXHCI. */ -#define OTGCMD_HOST_POWER_OFF BIT(12) - -/* OTGIEN - bitmasks */ -/* ID change interrupt enable */ -#define OTGIEN_ID_CHANGE_INT BIT(0) -/* Vbusvalid fall detected interrupt enable.*/ -#define OTGIEN_VBUSVALID_RISE_INT BIT(4) -/* Vbusvalid fall detected interrupt enable */ -#define OTGIEN_VBUSVALID_FALL_INT BIT(5) - -/* OTGSTS - bitmasks */ -/* - * Current value of the ID pin. It is only valid when idpullup in - * OTGCTRL1_TYPE register is set to '1'. - */ -#define OTGSTS_ID_VALUE BIT(0) -/* Current value of the vbus_valid */ -#define OTGSTS_VBUS_VALID BIT(1) -/* Current value of the b_sess_vld */ -#define OTGSTS_SESSION_VALID BIT(2) -/*Device mode is active*/ -#define OTGSTS_DEV_ACTIVE BIT(3) -/* Host mode is active. */ -#define OTGSTS_HOST_ACTIVE BIT(4) -/* OTG Controller not ready. */ -#define OTGSTS_OTG_NRDY_MASK BIT(11) -#define OTGSTS_OTG_NRDY(p) ((p) & OTGSTS_OTG_NRDY_MASK) -/* - * Value of the strap pins. - * 000 - no default configuration - * 010 - Controller initiall configured as Host - * 100 - Controller initially configured as Device - */ -#define OTGSTS_STRAP(p) (((p) & GENMASK(14, 12)) >> 12) -#define OTGSTS_STRAP_NO_DEFAULT_CFG 0x00 -#define OTGSTS_STRAP_HOST_OTG 0x01 -#define OTGSTS_STRAP_HOST 0x02 -#define OTGSTS_STRAP_GADGET 0x04 -/* Host mode is turned on. */ -#define OTGSTS_XHCI_READY BIT(26) -/* "Device mode is turned on .*/ -#define OTGSTS_DEV_READY BIT(27) - -/* OTGSTATE- bitmasks */ -#define OTGSTATE_DEV_STATE_MASK GENMASK(2, 0) -#define OTGSTATE_HOST_STATE_MASK GENMASK(5, 3) -#define OTGSTATE_HOST_STATE_IDLE 0x0 -#define OTGSTATE_HOST_STATE_VBUS_FALL 0x7 -#define OTGSTATE_HOST_STATE(p) (((p) & OTGSTATE_HOST_STATE_MASK) >> 3) - -/* OTGREFCLK - bitmasks */ -#define OTGREFCLK_STB_CLK_SWITCH_EN BIT(31) - -/* OVERRIDE - bitmasks */ -#define OVERRIDE_IDPULLUP BIT(0) -/* Only for CDNS3_CONTROLLER_V0 version */ -#define OVERRIDE_IDPULLUP_V0 BIT(24) - -int cdns3_is_host(struct cdns3 *cdns); -int cdns3_is_device(struct cdns3 *cdns); -int cdns3_get_id(struct cdns3 *cdns); -int cdns3_get_vbus(struct cdns3 *cdns); -int cdns3_drd_init(struct cdns3 *cdns); -int cdns3_drd_exit(struct cdns3 *cdns); -int cdns3_drd_update_mode(struct cdns3 *cdns); -int cdns3_drd_switch_gadget(struct cdns3 *cdns, int on); -int cdns3_drd_switch_host(struct cdns3 *cdns, int on); - -#endif /* __LINUX_CDNS3_DRD */ |