113 lines
3 KiB
C
113 lines
3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __PHY_MTK_SSUSB_H
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#define __PHY_MTK_SSUSB_H
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#include <linux/types.h>
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#include <linux/clk.h>
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struct mtk_phy_tuning {
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s32 u2_vrt_ref;
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s32 u2_term_ref;
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s32 u2_enhance;
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bool inited;
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};
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struct mtk_phy_instance {
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const struct mtk_phy_interface *phycfg;
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struct mtk_phy_drv *phy_drv;
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struct phy *phy;
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void __iomem *port_base;
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void __iomem *sif_misc;
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void __iomem *sif_fmreg;
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void __iomem *sif_u2phy_com;
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void __iomem *sif_spllc;
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void __iomem *sif_chip;
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void __iomem *sif_u3phyd;
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void __iomem *sif_u3phyd_bank2;
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void __iomem *sif_u3phya;
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void __iomem *sif_u3phya_da;
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unsigned int port_rgsz;
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bool sib_mode;
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bool uart_mode;
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int phy_number;
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struct mtk_phy_tuning phy_tuning;
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};
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struct mtk_phy_interface {
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int (*usb_phy_init)(struct mtk_phy_instance *instance);
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void (*usb_phy_savecurrent)(struct mtk_phy_instance *instance);
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void (*usb_phy_recover)(struct mtk_phy_instance *instance);
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void (*usb_phy_switch_to_bc11)(struct mtk_phy_instance *instance,
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bool on);
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void (*usb_phy_dpdm_pulldown)(struct mtk_phy_instance *instance,
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bool enable);
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int (*usb_phy_lpm_enable)(struct mtk_phy_instance *instance, bool on);
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int (*usb_phy_host_mode)(struct mtk_phy_instance *instance, bool on);
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int (*usb_phy_io_read)(struct mtk_phy_instance *instance, u32 reg);
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int (*usb_phy_io_write)(struct mtk_phy_instance *instance, u32 val,
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u32 reg);
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void (*usb_phy_switch_to_usb)(struct mtk_phy_instance *instance);
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void (*usb_phy_switch_to_uart)(struct mtk_phy_instance *instance);
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bool (*usb_phy_check_in_uart_mode)(struct mtk_phy_instance *instance);
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void (*usb_phy_dump_usb2uart_reg)(struct mtk_phy_instance *instance);
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void (*usb_phy_sib_enable_switch)(struct mtk_phy_instance *instance,
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bool enable);
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bool (*usb_phy_sib_switch_status)(struct mtk_phy_instance *instance);
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bool (*usb_phy_u3_loop_back_test)(struct mtk_phy_instance *instance);
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int (*usb_phy_inst_init)(struct mtk_phy_instance *instance);
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unsigned int reg_offset;
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char *name;
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char *tuning_node_name;
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u8 port_num;
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u8 port_type;
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};
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struct mtk_usbphy_config {
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const struct mtk_phy_interface *phys;
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unsigned int num_phys;
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unsigned int version;
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int (*usb_drv_init)(struct platform_device *pdev,
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struct mtk_phy_drv *drv);
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int (*usb_drv_exit)(struct platform_device *pdev,
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struct mtk_phy_drv *drv);
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};
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struct mtk_phy_drv {
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struct device *dev;
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const struct mtk_usbphy_config *phycfg;
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void __iomem *phy_base;
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void __iomem *ippc_base;
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struct mtk_phy_instance **phys;
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int nphys;
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struct clk *clk;
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struct regulator *vusb33;
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struct regulator *vusb10;
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};
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/*Set the debug level for phy driver*/
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#define K_ALET (1<<6)
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#define K_CRIT (1<<5)
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#define K_ERR (1<<4)
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#define K_WARNIN (1<<3)
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#define K_NOTICE (1<<2)
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#define K_INFO (1<<1)
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#define K_DEBUG (1<<0)
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extern u32 phy_debug_level;
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#define phy_printk(level, fmt, args...) do { \
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if (phy_debug_level & level) { \
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pr_info("[MTKPHY]" fmt, ## args); \
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} \
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} while (0)
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extern const struct of_device_id mtk_phy_of_match[];
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#endif
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