diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/cdns3/drd.h | 94 |
1 files changed, 69 insertions, 25 deletions
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h index f1ccae285a16..9724acdecbbb 100644 --- a/drivers/usb/cdns3/drd.h +++ b/drivers/usb/cdns3/drd.h @@ -1,8 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Cadence USB3 DRD header file. + * Cadence USB3 and USBSSP DRD header file. * - * Copyright (C) 2018-2019 Cadence. + * Copyright (C) 2018-2020 Cadence. * * Author: Pawel Laszczak <pawell@cadence.com> */ @@ -10,10 +10,9 @@ #define __LINUX_CDNS3_DRD #include <linux/usb/otg.h> -#include <linux/phy/phy.h> #include "core.h" -/* DRD register interface for version v1. */ +/* DRD register interface for version v1 of cdns3 driver. */ struct cdns3_otg_regs { __le32 did; __le32 rid; @@ -38,7 +37,7 @@ struct cdns3_otg_regs { __le32 ctrl2; }; -/* DRD register interface for version v0. */ +/* DRD register interface for version v0 of cdns3 driver. */ struct cdns3_otg_legacy_regs { __le32 cmd; __le32 sts; @@ -57,14 +56,45 @@ struct cdns3_otg_legacy_regs { __le32 ctrl1; }; +/* DRD register interface for cdnsp driver */ +struct cdnsp_otg_regs { + __le32 did; + __le32 rid; + __le32 cfgs1; + __le32 cfgs2; + __le32 cmd; + __le32 sts; + __le32 state; + __le32 ien; + __le32 ivect; + __le32 tmr; + __le32 simulate; + __le32 adpbc_sts; + __le32 adp_ramp_time; + __le32 adpbc_ctrl1; + __le32 adpbc_ctrl2; + __le32 override; + __le32 vbusvalid_dbnc_cfg; + __le32 sessvalid_dbnc_cfg; + __le32 susp_timing_ctrl; +}; + +#define OTG_CDNSP_DID 0x0004034E + /* - * Common registers interface for both version of DRD. + * Common registers interface for both CDNS3 and CDNSP version of DRD. */ -struct cdns3_otg_common_regs { +struct cdns_otg_common_regs { __le32 cmd; __le32 sts; __le32 state; - __le32 different1; +}; + +/* + * Interrupt related registers. This registers are mapped in different + * location for CDNSP controller. + */ +struct cdns_otg_irq_regs { __le32 ien; __le32 ivect; }; @@ -92,9 +122,9 @@ struct cdns3_otg_common_regs { #define OTGCMD_DEV_BUS_DROP BIT(8) /* Drop the bus for Host mode*/ #define OTGCMD_HOST_BUS_DROP BIT(9) -/* Power Down USBSS-DEV. */ +/* Power Down USBSS-DEV - only for CDNS3.*/ #define OTGCMD_DEV_POWER_OFF BIT(11) -/* Power Down CDNSXHCI. */ +/* Power Down CDNSXHCI - only for CDNS3. */ #define OTGCMD_HOST_POWER_OFF BIT(12) /* OTGIEN - bitmasks */ @@ -123,20 +153,31 @@ struct cdns3_otg_common_regs { #define OTGSTS_OTG_NRDY_MASK BIT(11) #define OTGSTS_OTG_NRDY(p) ((p) & OTGSTS_OTG_NRDY_MASK) /* - * Value of the strap pins. + * Value of the strap pins for: + * CDNS3: * 000 - no default configuration * 010 - Controller initiall configured as Host * 100 - Controller initially configured as Device + * CDNSP: + * 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 +#define OTGSTS_CDNSP_STRAP_HOST 0x01 +#define OTGSTS_CDNSP_STRAP_GADGET 0x02 + /* Host mode is turned on. */ -#define OTGSTS_XHCI_READY BIT(26) +#define OTGSTS_CDNS3_XHCI_READY BIT(26) +#define OTGSTS_CDNSP_XHCI_READY BIT(27) + /* "Device mode is turned on .*/ -#define OTGSTS_DEV_READY BIT(27) +#define OTGSTS_CDNS3_DEV_READY BIT(27) +#define OTGSTS_CDNSP_DEV_READY BIT(26) /* OTGSTATE- bitmasks */ #define OTGSTATE_DEV_STATE_MASK GENMASK(2, 0) @@ -152,6 +193,8 @@ struct cdns3_otg_common_regs { #define OVERRIDE_IDPULLUP BIT(0) /* Only for CDNS3_CONTROLLER_V0 version */ #define OVERRIDE_IDPULLUP_V0 BIT(24) +/* Vbusvalid/Sesvalid override select. */ +#define OVERRIDE_SESS_VLD_SEL BIT(10) /* PHYRST_CFG - bitmasks */ #define PHYRST_CFG_PHYRST_A_ENABLE BIT(0) @@ -159,17 +202,18 @@ struct cdns3_otg_common_regs { #define CDNS3_ID_PERIPHERAL 1 #define CDNS3_ID_HOST 0 -bool cdns3_is_host(struct cdns3 *cdns); -bool 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_gadget_on(struct cdns3 *cdns); -void cdns3_drd_gadget_off(struct cdns3 *cdns); -int cdns3_drd_host_on(struct cdns3 *cdns); -void cdns3_drd_host_off(struct cdns3 *cdns); -int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode); +bool cdns_is_host(struct cdns *cdns); +bool cdns_is_device(struct cdns *cdns); +int cdns_get_id(struct cdns *cdns); +int cdns_get_vbus(struct cdns *cdns); +void cdns_clear_vbus(struct cdns *cdns); +void cdns_set_vbus(struct cdns *cdns); +int cdns_drd_init(struct cdns *cdns); +int cdns_drd_exit(struct cdns *cdns); +int cdns_drd_update_mode(struct cdns *cdns); +int cdns_drd_gadget_on(struct cdns *cdns); +void cdns_drd_gadget_off(struct cdns *cdns); +int cdns_drd_host_on(struct cdns *cdns); +void cdns_drd_host_off(struct cdns *cdns); #endif /* __LINUX_CDNS3_DRD */ |