/* $NetBSD: gxreg.h,v 1.1.4.2 2025/10/26 13:12:29 martin Exp $ */ /*- * Copyright (c) 2025 Jared McNeill * 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. */ #ifndef _WII_DEV_GXREG_H #define _WII_DEV_GXREG_H #define LOWER_16_BITS(x) ((x) & 0xffff) #define UPPER_16_BITS(x) (((x) >> 16) & 0xffff) #define _REG16(x) ((x) / 2) #define _REG32(x) ((x) / 4) #define CP_SR _REG16(0x00) #define CP_SR_IDLE_CMDS 0x0008 #define CP_SR_IDLE_READ 0x0004 #define CP_CR _REG16(0x02) #define CP_CR_READ_ENABLE 0x0001 #define CP_CR_GP_LINK_ENABLE 0x0010 #define CP_CLEAR _REG16(0x04) #define CP_CLEAR_OVERFLOW 0x0001 #define CP_CLEAR_UNDERFLOW 0x0002 #define CP_FIFO_BASE_LO _REG16(0x20) #define CP_FIFO_BASE_HI _REG16(0x22) #define CP_FIFO_END_LO _REG16(0x24) #define CP_FIFO_END_HI _REG16(0x26) #define CP_FIFO_HIWAT_LO _REG16(0x28) #define CP_FIFO_HIWAT_HI _REG16(0x2a) #define CP_FIFO_LOWAT_LO _REG16(0x2c) #define CP_FIFO_LOWAT_HI _REG16(0x2e) #define CP_FIFO_RW_DIST_LO _REG16(0x30) #define CP_FIFO_RW_DIST_HI _REG16(0x32) #define CP_FIFO_WRITE_PTR_LO _REG16(0x34) #define CP_FIFO_WRITE_PTR_HI _REG16(0x36) #define CP_FIFO_READ_PTR_LO _REG16(0x38) #define CP_FIFO_READ_PTR_HI _REG16(0x3a) #define PE_ZCONF _REG16(0x00) #define PE_ZCONF_UPD_ENABLE 0x0010 #define PE_ZCONF_FUNC_ALWAYS 0x000e #define PE_ZCONF_COMP_ENABLE 0x0001 #define PE_ALPHA_CONF _REG16(0x02) #define PE_ALPHA_CONF_OP_SET 0xf000 #define PE_ALPHA_CONF_SRC_1 0x0100 #define PE_ALPHA_CONF_DST_0 0x0000 #define PE_ALPHA_CONF_UPD_A 0x0010 #define PE_ALPHA_CONF_UPD_C 0x0008 #define PE_ALPHA_DEST _REG16(0x04) #define PE_ALPHA_DEST_ENABLE 0x0100 #define PE_ALPHA_MODE _REG16(0x06) #define PE_ALPHA_MODE_ALWAYS 0x0700 #define PE_ALPHA_READ _REG16(0x08) #define PE_ALPHA_READ_UNK 0x0004 #define PE_ALPHA_READ_FF 0x0001 #define PE_ISR _REG16(0x0a) #define PE_ISR_FINISH 0x0008 #define PE_ISR_TOKEN 0x0004 #define PE_ISR_FINISH_ENABLE 0x0002 #define PE_IST_TOKEN_ENABLE 0x0001 #define PE_TOKEN _REG16(0x0e) #define PI_FIFO_BASE_START _REG32(0x0c) #define PI_FIFO_BASE_END _REG32(0x10) #define PI_FIFO_WRITE_PTR _REG32(0x14) #define GX_XF_VIEWPORT_X0 0x101a #define GX_XF_VIEWPORT_Y0 0x101b #define GX_XF_VIEWPORT_Z 0x101c #define GX_XF_VIEWPORT_X1 0x101d #define GX_XF_VIEWPORT_Y1 0x101e #define GX_XF_VIEWPORT_FP 0x101f #define GX_XF_PROJ_0 0x1020 #define GX_XF_PROJ_1 0x1021 #define GX_XF_PROJ_2 0x1022 #define GX_XF_PROJ_3 0x1023 #define GX_XF_PROJ_4 0x1024 #define GX_XF_PROJ_5 0x1025 #define GX_XF_PROJ_MODE 0x1026 #define GX_FIFO_ALIGN 32 #define GX_FIFO_HIWAT(_size) ((_size) - (16 * 1024)) #define GX_FIFO_LOWAT(_size) (((_size) >> 1) & ~0x1f) #define GX_XY(x, y) (((uint32_t)(y) << 10) | (x)) #define GX_STRICT_ORDER(x) \ do { \ x; \ asm volatile("" ::: "memory"); \ } while (0) typedef union gx_wgpipe { volatile int8_t s8; volatile uint8_t u8; volatile int16_t s16; volatile uint16_t u16; volatile int16_t s32; volatile uint32_t u32; } gx_wgpipe_t; #endif /* _WII_DEV_GXREG_H */