/*      $NetBSD: gayle.h,v 1.3 2014/01/03 00:33:06 rkujawa Exp $        */
#ifndef AMIGA_GAYLE_H_
#define AMIGA_GAYLE_H_

#include <sys/types.h>

#define GAYLE_IDE_BASE          0xDA0000
#define GAYLE_IDE_BASE_A4000    0xDD2020
#define GAYLE_IDE_INTREQ_A4000          0x1000  /* with stride of 1 */

#define GAYLE_REGS_BASE         0xDA8000

#define GAYLE_PCC_STATUS                0x0

/* Depending on the mode the card is in, most of the bits have different
   meanings */
#define GAYLE_CCMEM_DETECT                      __BIT(6)        
#define GAYLE_CCMEM_BVD1                        __BIT(5)
#define GAYLE_CCMEM_BVD2                        __BIT(4)
#define GAYLE_CCMEM_WP                          __BIT(3)
#define GAYLE_CCMEM_BUSY                        __BIT(2)

#define GAYLE_CCIO_STSCHG                       __BIT(5)
#define GAYLE_CCIO_SPKR                         __BIT(4)        
#define GAYLE_CCIO_IREQ                         __BIT(2)        

#define GAYLE_INTREQ                    0x1 /* 0x1000 */
#define GAYLE_INTENA                    0x2 /* 0x2000 */

#define GAYLE_INT_IDE                           __BIT(7)        
#define GAYLE_INT_DETECT                        __BIT(6)
#define GAYLE_INT_BVD1                          __BIT(5)        
#define GAYLE_INT_STSCHG                        __BIT(5)
#define GAYLE_INT_BVD2                          __BIT(4)        
#define GAYLE_INT_SPKR                          __BIT(4)        
#define GAYLE_INT_WP                            __BIT(3)        
#define GAYLE_INT_BUSY                          __BIT(2)        
#define GAYLE_INT_IREQ                          __BIT(2)        
#define GAYLE_INT_IDEACK0                       __BIT(1)
#define GAYLE_INT_IDEACK1                       __BIT(0)

#define GAYLE_INT_IDEACK                        (GAYLE_INT_IDEACK0 | GAYLE_INT_IDEACK1)

#define GAYLE_PCC_CONFIG                0x3 /* 0x3000 */        

#define GAYLE_PCMCIA_START      0xA00000
#define GAYLE_PCMCIA_ATTR_START 0xA00000
#define GAYLE_PCMCIA_ATTR_END   0xA20000

#define GAYLE_PCMCIA_IO_START   0xA20000
#define GAYLE_PCMCIA_IO_END     0xA40000

#define GAYLE_PCMCIA_RESET      0xA40000
#define GAYLE_PCMCIA_END        0xA42000
#define NPCMCIAPG               btoc(GAYLE_PCMCIA_END - GAYLE_PCMCIA_START)

/*
 * Convenience functions for expansions that have Gayle and even those that
 * don't have real Gayle but have implemented some portions of it for the sake
 * of compatibility.
 */
void gayle_init(void);
uint8_t gayle_intr_status(void);
uint8_t gayle_intr_enable_read(void);
void gayle_intr_enable_write(uint8_t);
void gayle_intr_enable_set(uint8_t);
void gayle_intr_ack(uint8_t);
uint8_t gayle_pcmcia_status_read(void);
void gayle_pcmcia_status_write(uint8_t);
uint8_t gayle_pcmcia_config_read(void);
void gayle_pcmcia_config_write(uint8_t);

#endif /* AMIGA_GAYLE_H_ */