/* SPDX-License-Identifier: GPL-2.0+ */ /* * c67x00.h: Cypress C67X00 USB register and field definitions * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. */ #ifndef _USB_C67X00_H #define _USB_C67X00_H #include <linux/spinlock.h> #include <linux/platform_device.h> #include <linux/completion.h> #include <linux/mutex.h> /* --------------------------------------------------------------------- * Cypress C67x00 register definitions */ /* Hardware Revision Register */ #define HW_REV_REG … /* General USB registers */ /* ===================== */ /* USB Control Register */ #define USB_CTL_REG(x) … #define LOW_SPEED_PORT(x) … #define HOST_MODE … #define PORT_RES_EN(x) … #define SOF_EOP_EN(x) … /* USB status register - Notice it has different content in hcd/udc mode */ #define USB_STAT_REG(x) … #define EP0_IRQ_FLG … #define EP1_IRQ_FLG … #define EP2_IRQ_FLG … #define EP3_IRQ_FLG … #define EP4_IRQ_FLG … #define EP5_IRQ_FLG … #define EP6_IRQ_FLG … #define EP7_IRQ_FLG … #define RESET_IRQ_FLG … #define SOF_EOP_IRQ_FLG … #define ID_IRQ_FLG … #define VBUS_IRQ_FLG … /* USB Host only registers */ /* ======================= */ /* Host n Control Register */ #define HOST_CTL_REG(x) … #define PREAMBLE_EN … #define SEQ_SEL … #define ISO_EN … #define ARM_EN … /* Host n Interrupt Enable Register */ #define HOST_IRQ_EN_REG(x) … #define SOF_EOP_IRQ_EN … #define SOF_EOP_TMOUT_IRQ_EN … #define ID_IRQ_EN … #define VBUS_IRQ_EN … #define DONE_IRQ_EN … /* USB status register */ #define HOST_STAT_MASK … #define PORT_CONNECT_CHANGE(x) … #define PORT_SE0_STATUS(x) … /* Host Frame Register */ #define HOST_FRAME_REG(x) … #define HOST_FRAME_MASK … /* USB Peripheral only registers */ /* ============================= */ /* Device n Port Sel reg */ #define DEVICE_N_PORT_SEL(x) … /* Device n Interrupt Enable Register */ #define DEVICE_N_IRQ_EN_REG(x) … #define DEVICE_N_ENDPOINT_N_CTL_REG(dev, ep) … #define DEVICE_N_ENDPOINT_N_STAT_REG(dev, ep) … #define DEVICE_N_ADDRESS(dev) … /* HPI registers */ /* ============= */ /* HPI Status register */ #define SOFEOP_FLG(x) … #define SIEMSG_FLG(x) … #define RESET_FLG(x) … #define DONE_FLG(x) … #define RESUME_FLG(x) … #define MBX_OUT_FLG … #define MBX_IN_FLG … #define ID_FLG … #define VBUS_FLG … /* Interrupt routing register */ #define HPI_IRQ_ROUTING_REG … #define HPI_SWAP_ENABLE(x) … #define RESET_TO_HPI_ENABLE(x) … #define DONE_TO_HPI_ENABLE(x) … #define RESUME_TO_HPI_ENABLE(x) … #define SOFEOP_TO_HPI_EN(x) … #define SOFEOP_TO_CPU_EN(x) … #define ID_TO_HPI_ENABLE … #define VBUS_TO_HPI_ENABLE … /* SIE msg registers */ #define SIEMSG_REG(x) … #define HUSB_TDListDone … #define SUSB_EP0_MSG … #define SUSB_EP1_MSG … #define SUSB_EP2_MSG … #define SUSB_EP3_MSG … #define SUSB_EP4_MSG … #define SUSB_EP5_MSG … #define SUSB_EP6_MSG … #define SUSB_EP7_MSG … #define SUSB_RST_MSG … #define SUSB_SOF_MSG … #define SUSB_CFG_MSG … #define SUSB_SUS_MSG … #define SUSB_ID_MSG … #define SUSB_VBUS_MSG … /* BIOS interrupt routines */ #define SUSBx_RECEIVE_INT(x) … #define SUSBx_SEND_INT(x) … #define SUSBx_DEV_DESC_VEC(x) … #define SUSBx_CONF_DESC_VEC(x) … #define SUSBx_STRING_DESC_VEC(x) … #define CY_HCD_BUF_ADDR … #define SIE_TD_SIZE … #define SIE_TD_BUF_SIZE … #define SIE_TD_OFFSET(host) … #define SIE_BUF_OFFSET(host) … /* Base address of HCD + 2 x TD_SIZE + 2 x TD_BUF_SIZE */ #define CY_UDC_REQ_HEADER_BASE … /* 8- byte request headers for IN/OUT transfers */ #define CY_UDC_REQ_HEADER_SIZE … #define CY_UDC_REQ_HEADER_ADDR(ep_num) … #define CY_UDC_DESC_BASE_ADDRESS … #define CY_UDC_BIOS_REPLACE_BASE … #define CY_UDC_REQ_BUFFER_BASE … #define CY_UDC_REQ_BUFFER_SIZE … #define CY_UDC_REQ_BUFFER_ADDR(ep_num) … /* --------------------------------------------------------------------- * Driver data structures */ struct c67x00_device; /** * struct c67x00_sie - Common data associated with a SIE * @lock: lock to protect this struct and the associated chip registers * @private_data: subdriver dependent data * @irq: subdriver dependent irq handler, set NULL when not used * @dev: link to common driver structure * @sie_num: SIE number on chip, starting from 0 * @mode: SIE mode (host/peripheral/otg/not used) */ struct c67x00_sie { … }; #define sie_dev(s) … /** * struct c67x00_lcp */ struct c67x00_lcp { … }; /* * struct c67x00_hpi */ struct c67x00_hpi { … }; #define C67X00_SIES … #define C67X00_PORTS … /** * struct c67x00_device - Common data associated with a c67x00 instance * @hpi: hpi addresses * @sie: array of sie's on this chip * @pdev: platform device of instance * @pdata: configuration provided by the platform */ struct c67x00_device { … }; /* --------------------------------------------------------------------- * Low level interface functions */ /* Host Port Interface (HPI) functions */ u16 c67x00_ll_hpi_status(struct c67x00_device *dev); void c67x00_ll_hpi_reg_init(struct c67x00_device *dev); void c67x00_ll_hpi_enable_sofeop(struct c67x00_sie *sie); void c67x00_ll_hpi_disable_sofeop(struct c67x00_sie *sie); /* General functions */ u16 c67x00_ll_fetch_siemsg(struct c67x00_device *dev, int sie_num); u16 c67x00_ll_get_usb_ctl(struct c67x00_sie *sie); void c67x00_ll_usb_clear_status(struct c67x00_sie *sie, u16 bits); u16 c67x00_ll_usb_get_status(struct c67x00_sie *sie); void c67x00_ll_write_mem_le16(struct c67x00_device *dev, u16 addr, void *data, int len); void c67x00_ll_read_mem_le16(struct c67x00_device *dev, u16 addr, void *data, int len); /* Host specific functions */ void c67x00_ll_set_husb_eot(struct c67x00_device *dev, u16 value); void c67x00_ll_husb_reset(struct c67x00_sie *sie, int port); void c67x00_ll_husb_set_current_td(struct c67x00_sie *sie, u16 addr); u16 c67x00_ll_husb_get_current_td(struct c67x00_sie *sie); u16 c67x00_ll_husb_get_frame(struct c67x00_sie *sie); void c67x00_ll_husb_init_host_port(struct c67x00_sie *sie); void c67x00_ll_husb_reset_port(struct c67x00_sie *sie, int port); /* Called by c67x00_irq to handle lcp interrupts */ void c67x00_ll_irq(struct c67x00_device *dev, u16 int_status); /* Setup and teardown */ void c67x00_ll_init(struct c67x00_device *dev); void c67x00_ll_release(struct c67x00_device *dev); int c67x00_ll_reset(struct c67x00_device *dev); #endif /* _USB_C67X00_H */
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