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/* $OpenBSD: dwiicvar.h,v 1.3 2019/03/16 02:40:43 jcs Exp $ */
/*
* Synopsys DesignWare I2C controller
*
* Copyright (c) 2015, 2016 joshua stein <jcs@openbsd.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpidev.h>
#include <dev/acpi/amltypes.h>
#include <dev/acpi/dsdt.h>
#include <dev/pci/pcivar.h>
#include <dev/i2c/i2cvar.h>
#include <dev/ic/dwiicreg.h>
#include "acpi.h"
/* #define DWIIC_DEBUG */
#ifdef DWIIC_DEBUG
#define DPRINTF(x) printf x
#else
#define DPRINTF(x)
#endif
struct dwiic_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
struct acpi_softc *sc_acpi;
struct aml_node *sc_devnode;
char sc_hid[16];
void *sc_ih;
struct pci_attach_args sc_paa;
struct i2cbus_attach_args sc_iba;
struct device *sc_iic;
u_int32_t sc_caps;
int sc_poll;
int sc_poll_ihidev;
int sc_busy;
int sc_readwait;
int sc_writewait;
uint32_t master_cfg;
uint16_t ss_hcnt, ss_lcnt, fs_hcnt, fs_lcnt;
uint32_t sda_hold_time;
int tx_fifo_depth;
int rx_fifo_depth;
struct i2c_controller sc_i2c_tag;
struct rwlock sc_i2c_lock;
struct {
i2c_op_t op;
void *buf;
size_t len;
int flags;
volatile int error;
} sc_i2c_xfer;
};
int dwiic_activate(struct device *, int);
int dwiic_init(struct dwiic_softc *);
void dwiic_enable(struct dwiic_softc *, int);
int dwiic_intr(void *);
void * dwiic_i2c_intr_establish(void *, void *, int,
int (*)(void *), void *, const char *);
const char * dwiic_i2c_intr_string(void *, void *);
int dwiic_i2c_print(void *, const char *);
int dwiic_i2c_acquire_bus(void *, int);
void dwiic_i2c_release_bus(void *, int);
uint32_t dwiic_read(struct dwiic_softc *, int);
void dwiic_write(struct dwiic_softc *, int, uint32_t);
int dwiic_i2c_exec(void *, i2c_op_t, i2c_addr_t, const void *,
size_t, void *, size_t, int);
#if NACPI > 0
int dwiic_acpi_found_hid(struct aml_node *, void *);
void dwiic_acpi_get_params(struct dwiic_softc *, char *, uint16_t *,
uint16_t *, uint32_t *);
#endif
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