64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* Copyright (c) 2017 Maxim Integrated Products, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#define OPCODE_READ_MAX_LENGTH (32 + 1)
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#define OPCODE_WRITE_MAX_LENGTH (32 + 1) /* opcode + data 31bytes */
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#define OPCODE_WRITE_START_ADDR 0x21
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#define OPCODE_WRITE_END_ADDR 0x41
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#define OPCODE_READ_START_ADDR 0x51
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#define OPCODE_READ_END_ADDR 0x71
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enum mxim_ioctl_cmd {
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MXIM_DEBUG_OPCODE_WRITE = 1000,
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MXIM_DEBUG_OPCODE_READ,
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MXIM_DEBUG_REG_WRITE = 1002,
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MXIM_DEBUG_REG_READ,
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MXIM_DEBUG_REG_DUMP,
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MXIM_DEBUG_FW_VERSION = 1005,
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};
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enum mxim_registers {
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MXIM_REG_UIC_HW_REV = 0x00,
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MXIM_REG_UIC_FW_REV,
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MXIM_REG_USBC_IRQ = 0x02,
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MXIM_REG_CC_IRQ,
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MXIM_REG_PD_IRQ,
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MXIM_REG_RSVD1,
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MXIM_REG_USBC_STATUS1 = 0x06,
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MXIM_REG_USBC_STATUS2,
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MXIM_REG_BC_STATUS,
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MXIM_REG_RSVD2,
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MXIM_REG_CC_STATUS1 = 0x0A,
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MXIM_REG_CC_STATUS2,
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MXIM_REG_PD_STATUS1,
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MXIM_REG_PD_STATUS2,
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MXIM_REG_USBC_IRQM = 0x0E,
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MXIM_REG_CC_IRQM,
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MXIM_REG_PD_IRQM,
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MXIM_REG_MAX,
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};
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struct mxim_debug_registers {
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unsigned char reg;
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unsigned char val;
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int ignore;
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};
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struct mxim_debug_pdev {
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struct mxim_debug_registers registers;
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struct i2c_client *client;
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struct class *class;
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struct device *dev;
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struct mutex lock;
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unsigned char opcode_wdata[OPCODE_WRITE_MAX_LENGTH];
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unsigned char opcode_rdata[OPCODE_READ_MAX_LENGTH];
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};
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void mxim_debug_set_i2c_client(struct i2c_client *client);
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int mxim_debug_init(void);
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void mxim_debug_exit(void);
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