NuBusFPGA/nubus-to-ztex-gateware/DeclROM/NuBusFPGADrvr.h
2023-01-27 22:25:12 +01:00

158 lines
5.7 KiB
C

#ifndef __NUBUSFPGADRVR_H__
#define __NUBUSFPGADRVR_H__
#include <Files.h>
#include <Devices.h>
#include <Slots.h>
#include <MacErrors.h>
#include <MacMemory.h>
#include <Video.h>
#define GOBOFB_BASE 0x00900000
#define GOBOFB_ACCEL 0x00901000
#define GOBOFB_ACCEL_LE 0x00901800
//#define GOBOFB_REG_BASE 0x00900000
//#define GOBOFB_MEM_BASE 0x00000000 /* remapped to 0x8f800000 by HW */
#define GOBOFB_MODE 0x0
#define GOBOFB_VBL_MASK 0x4
#define GOBOFB_VIDEOCTRL 0x8
#define GOBOFB_INTR_CLEAR 0xc
#define GOBOFB_RESET 0x10
#define GOBOFB_LUT_ADDR 0x14
#define GOBOFB_LUT 0x18
#define GOBOFB_DEBUG 0x1c
//#define GOBOFB_CURSOR_LUT 0x20
//#define GOBOFB_CURSOR_XY 0x24
#define GOBOFB_HRES 0x40
#define GOBOFB_VRES 0x44
#define GOBOFB_HRES_START 0x48
#define GOBOFB_VRES_START 0x4C
#define GOBOFB_HRES_END 0x50
#define GOBOFB_VRES_END 0x54
//#define GOBOFB_MASK_BASE 0x80
//#define GOBOFB_BITS_BASE 0x100
#define GOBOFB_INTR_VBL 0x1
// for GOBOFB_MODE
#define GOBOFB_MODE_1BIT 0x0
#define GOBOFB_MODE_2BIT 0x1
#define GOBOFB_MODE_4BIT 0x2
#define GOBOFB_MODE_8BIT 0x3
#define GOBOFB_MODE_24BIT 0x10
#define GOBOFB_MODE_15BIT 0x11
#define u_int32_t volatile unsigned long
struct goblin_accel_regs {
u_int32_t reg_status; // 0
u_int32_t reg_cmd;
u_int32_t reg_r5_cmd;
u_int32_t resv0;
u_int32_t reg_width; // 4
u_int32_t reg_height;
u_int32_t reg_fgcolor;
u_int32_t resv2;
u_int32_t reg_bitblt_src_x; // 8
u_int32_t reg_bitblt_src_y;
u_int32_t reg_bitblt_dst_x;
u_int32_t reg_bitblt_dst_y;
u_int32_t reg_src_stride; // 12
u_int32_t reg_dst_stride;
u_int32_t reg_src_ptr; // 14
u_int32_t reg_dst_ptr;
};
// status
#define WORK_IN_PROGRESS_BIT 0
// cmd
#define DO_BLIT_BIT 0 // hardwired in goblin_accel.py
#define DO_FILL_BIT 1 // hardwired in goblin_accel.py
#define DO_TEST_BIT 3 // hardwired in goblin_accel.py
struct MyGammaTbl {
short gVersion; /*gamma version number*/
short gType; /*gamma data type*/
short gFormulaSize; /*Formula data size*/
short gChanCnt; /*number of channels of data*/
short gDataCnt; /*number of values/channel*/
short gDataWidth; /*bits/corrected value (data packed to next larger byte size)*/
char gFormulaData[3][256]; /*data for formulas followed by gamma values*/
};
#define nativeVidMode ((unsigned char)0x80)
/* alternate resolution in 0x81...0x8f */
#define diskResource ((unsigned char)0x90)
struct NuBusFPGADriverGlobals {
AuxDCEPtr dce; // unused
SlotIntQElement *siqel;
//unsigned char shadowClut[768];
unsigned short hres[16]; /* HW max in 0 */
unsigned short vres[16]; /* HW max in 0 */
unsigned short curPage;
unsigned char maxMode;
unsigned char curMode; /* mode ; this is resolution (which can't be changed in 7.1 except via reboot ?) */
unsigned char curDepth; /* depth */
char gray;
char irqen;
char slot;
struct MyGammaTbl gamma;
};
typedef struct NuBusFPGADriverGlobals NuBusFPGADriverGlobals;
typedef struct NuBusFPGADriverGlobals *NuBusFPGADriverGlobalsPtr;
typedef struct NuBusFPGADriverGlobals **NuBusFPGADriverGlobalsHdl;
typedef struct NuBusFPGAPramRecord { /* slot parameter RAM record, derived from SPRAMRecord */
short boardID; /* Apple-defined card ID */
char vendorUse1; /* reserved for vendor use */ /* DCDMF3 p210 says reserved for system ... */
unsigned char mode; /* vendorUse2 */
unsigned char depth; /* vendorUse3 */
unsigned char page; /* vendorUse4 */
char vendorUse5; /* reserved for vendor use */
char vendorUse6; /* reserved for vendor use */
} NuBusFPGAPramRecord;
typedef struct NuBusFPGAPramRecord *NuBusFPGAPramRecordPtr;
static inline void write_reg(AuxDCEPtr dce, unsigned int reg, unsigned int val) {
*((volatile unsigned int*)(dce->dCtlDevBase+GOBOFB_BASE+reg)) = val;
}
static inline unsigned int read_reg(AuxDCEPtr dce, unsigned int reg) {
return *((volatile unsigned int*)(dce->dCtlDevBase+GOBOFB_BASE+reg));;
}
/* ASM */
extern SlotIntServiceProcPtr interruptRoutine;
/* ctrl */
void linearGamma(NuBusFPGADriverGlobalsPtr dStore) __attribute__ ((section (".text.fbdriver")));
OSErr changeIRQ(AuxDCEPtr dce, char en, OSErr err) __attribute__ ((section (".text.fbdriver")));
OSErr cNuBusFPGACtl(CntrlParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce) __attribute__ ((section (".text.fbdriver")));
OSErr reconfHW(AuxDCEPtr dce, unsigned char mode, unsigned char depth, unsigned short page) __attribute__ ((section (".text.fbdriver")));
OSErr updatePRAM(AuxDCEPtr dce, unsigned char mode, unsigned char depth, unsigned short page) __attribute__ ((section (".text.fbdriver")));
/* status */
OSErr cNuBusFPGAStatus(CntrlParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce) __attribute__ ((section (".text.fbdriver")));
/* open close */
OSErr cNuBusFPGAOpen(IOParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce) __attribute__ ((section (".text.fbdriver")));
OSErr cNuBusFPGAClose(IOParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce) __attribute__ ((section (".text.fbdriver")));
/* primary init */
UInt32 Primary(SEBlock* block) __attribute__ ((section (".text.primary")));
int sdram_init(uint32_t a32) __attribute__ ((section (".text.primary")));
/* secondary init */
UInt32 Secondary(SEBlock* seblock) __attribute__ ((section (".text.secondary")));
#define Check32QDTrap 0xAB03
#if 0
static inline UInt32 revb(UInt32 d) {
return ((d&0xFFul)<<24) | ((d&0xFF00ul)<<8) | ((d&0xFF0000ul)>>8) | ((d&0xFF000000ul)>>24);
}
#else
#define revb(a) __builtin_bswap32(a)
#endif
#endif