/*      $NetBSD: voyagervar.h,v 1.7 2020/04/16 23:29:53 rin Exp $       */

/*
* Copyright (c) 2011 Michael Lorenz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: voyagervar.h,v 1.7 2020/04/16 23:29:53 rin Exp $");

#ifndef VOYAGERVAR_H
#define VOYAGERVAR_H

#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>

struct voyager_attach_args {
       pci_chipset_tag_t               vaa_pc;
       pcitag_t                                        vaa_pcitag;
       bus_space_tag_t         vaa_tag;
       bus_space_handle_t      vaa_regh;
       bus_space_handle_t      vaa_memh;
       bus_addr_t              vaa_reg_pa;
       bus_addr_t              vaa_mem_pa;
       char                    vaa_name[32];
};

void voyager_twiddle_bits(void *, int, uint32_t, uint32_t);

/* set gpio bits - (register & param1) | param2 */
#define voyager_write_gpio(cookie, m_and, m_or) \
       voyager_twiddle_bits(cookie, SM502_GPIO_DATA0, m_and, m_or)
/* control gpio pin usage - 0 is gpio, 1 is other stuff ( like PWM ) */
#define voyager_control_gpio(cookie, m_and, m_or) \
       voyager_twiddle_bits(cookie, SM502_GPIO0_CONTROL, m_and, m_or)
/* gpio direction - 1 is output */
#define voyager_gpio_dir(cookie, m_and, m_or) \
       voyager_twiddle_bits(cookie, SM502_GPIO_DIR0, m_and, m_or)
#define voyager_control_power_0(cookie, m_and, m_or) \
       voyager_twiddle_bits(cookie, SM502_POWER_MODE0_GATE, m_and, m_or)

void *voyager_establish_intr(device_t, int, int (*)(void *), void *);
void  voyager_disestablish_intr(device_t, void *);

/* frequency in Hz, duty cycle in 1000ths */
uint32_t voyager_set_pwm(int, int);

#endif