77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
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/*
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* Copyright 2019 Broadcom.
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* The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* Description:
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* Platform CPLDMUX defines/structures header file
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*/
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#ifndef __PDDF_CPLDMUX_DEFS_H__
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#define __PDDF_CPLDMUX_DEFS_H__
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#include <linux/i2c-mux.h>
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#define MAX_CPLDMUX_CHAN 64
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typedef struct CPLDMUX_CHAN_DATA
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{
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int chan_num;
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char chan_device[128]; /* Could be multiple devices, mentioned as " " seperated array */
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int cpld_devaddr;
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int cpld_offset;
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int cpld_sel;
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int cpld_desel;
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}PDDF_CPLDMUX_CHAN_DATA;
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/* CPLDMUX DATA - DATA FOR CPLDMUX CLIENT*/
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typedef struct CPLDMUX_DATA
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{
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int base_chan;
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int num_chan;
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int chan_cache;
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uint32_t cpld_addr;
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char cpld_name[32];
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PDDF_CPLDMUX_CHAN_DATA chan_data[MAX_CPLDMUX_CHAN];
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}PDDF_CPLDMUX_DATA;
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typedef struct CPLDMUX_PDATA
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{
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int parent_bus;
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int base_chan;
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int num_chan;
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int chan_cache;
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struct i2c_client *cpld;
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PDDF_CPLDMUX_CHAN_DATA *chan_data;
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}PDDF_CPLDMUX_PDATA;
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typedef struct CPLDMUX_PRIV_DATA{
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struct i2c_adapter *parent;
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uint32_t last_chan; /* Will be used in case channel caching is enabled */
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PDDF_CPLDMUX_PDATA data;
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}PDDF_CPLDMUX_PRIV_DATA;
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typedef struct pldmux_ops_t
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{
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int (*select)(struct i2c_mux_core *muxc, uint32_t chan);
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int (*deselect)(struct i2c_mux_core *muxc, uint32_t chan);
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}PDDF_CPLDMUX_OPS;
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int pddf_cpldmux_select_default(struct i2c_mux_core *muxc, uint32_t chan);
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int pddf_cpldmux_deselect_default(struct i2c_mux_core *muxc, uint32_t chan);
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extern int board_i2c_cpld_read(unsigned short cpld_addr, u8 reg);
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extern int board_i2c_cpld_write(unsigned short cpld_addr, u8 reg, u8 value);
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#endif
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