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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2010
* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
*/
#ifndef __GDSYS_FPGA_H
#define __GDSYS_FPGA_H
#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
int init_func_fpga(void);
enum {
FPGA_STATE_DONE_FAILED = 1 << 0,
FPGA_STATE_REFLECTION_FAILED = 1 << 1,
FPGA_STATE_PLATFORM = 1 << 2,
};
int get_fpga_state(unsigned dev);
int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data);
int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data);
extern struct ihs_fpga *fpga_ptr[];
#define FPGA_SET_REG(ix, fld, val) \
fpga_set_reg((ix), \
&fpga_ptr[ix]->fld, \
offsetof(struct ihs_fpga, fld), \
val)
#define FPGA_GET_REG(ix, fld, val) \
fpga_get_reg((ix), \
&fpga_ptr[ix]->fld, \
offsetof(struct ihs_fpga, fld), \
val)
#endif
struct ihs_gpio {
u16 read;
u16 clear;
u16 set;
};
struct ihs_i2c {
u16 interrupt_status;
u16 interrupt_enable;
u16 write_mailbox_ext;
u16 write_mailbox;
u16 read_mailbox_ext;
u16 read_mailbox;
};
struct ihs_osd {
u16 version;
u16 features;
u16 control;
u16 xy_size;
u16 xy_scale;
u16 x_pos;
u16 y_pos;
};
struct ihs_mdio {
u16 control;
u16 address_data;
u16 rx_data;
};
struct ihs_io_ep {
u16 transmit_data;
u16 rx_tx_control;
u16 receive_data;
u16 rx_tx_status;
u16 reserved;
u16 device_address;
u16 target_address;
};
#ifdef CONFIG_NEO
struct ihs_fpga {
u16 reflection_low; /* 0x0000 */
u16 versions; /* 0x0002 */
u16 fpga_features; /* 0x0004 */
u16 fpga_version; /* 0x0006 */
u16 reserved_0[8187]; /* 0x0008 */
u16 reflection_high; /* 0x3ffe */
};
#endif
#endif