mirror of
https://github.com/d0k3/GodMode9.git
synced 2025-06-25 21:22:47 +00:00
9ecb90a2ba
- completely moved MCU interrupt handling outside of the critical section - refactored a bit of the PXI code and command names - merge the I2C read and write cmds to be one - remove SET_VMODE cmd, now it's always initialized to BGR565 on boot and to RGB565 on firmlaunch - atomic-ize more stuff
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
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* This file is part of GodMode9
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* Copyright (C) 2017-2019 Wolfvak
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <types.h>
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#ifdef ARM9
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#define PXI_BASE (0x10008000)
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#define PXI_RX_INTERRUPT (14)
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#else
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#define PXI_BASE (0x10163000)
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#define PXI_RX_INTERRUPT (83)
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#endif
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enum {
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PXICMD_LEGACY_BOOT = 0,
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PXICMD_GET_SHMEM_ADDRESS,
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PXICMD_I2C_OP,
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PXICMD_NVRAM_ONLINE,
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PXICMD_NVRAM_READ,
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PXICMD_SET_NOTIFY_LED,
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PXICMD_SET_BRIGHTNESS,
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PXICMD_NONE,
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};
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/*
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* These should be somewhat "unusual"
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* IDs and shouldnt be similar to
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* those used by any other software
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*/
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enum {
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PXI_BOOT_BARRIER = 21,
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PXI_FIRMLAUNCH_BARRIER = 154,
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};
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#define PXI_FIFO_LEN (16)
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#define PXI_MAX_ARGS (64)
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#define PXI_SYNC_RECV ((vu8*)(PXI_BASE + 0x00))
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#define PXI_SYNC_SEND ((vu8*)(PXI_BASE + 0x01))
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#define PXI_SYNC_IRQ ((vu8*)(PXI_BASE + 0x03))
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#define PXI_CNT ((vu16*)(PXI_BASE + 0x04))
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#define PXI_SEND ((vu32*)(PXI_BASE + 0x08))
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#define PXI_RECV ((vu32*)(PXI_BASE + 0x0C))
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#define PXI_CNT_SEND_FIFO_EMPTY (BIT(0))
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#define PXI_CNT_SEND_FIFO_FULL (BIT(1))
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#define PXI_CNT_SEND_FIFO_EMPTY_IRQ (BIT(2))
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#define PXI_CNT_SEND_FIFO_FLUSH (BIT(3))
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#define PXI_CNT_RECV_FIFO_EMPTY (BIT(8))
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#define PXI_CNT_RECV_FIFO_FULL (BIT(9))
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#define PXI_CNT_RECV_FIFO_AVAIL_IRQ (BIT(10))
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#define PXI_CNT_ACKNOWLEDGE_ERROR (BIT(14))
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#define PXI_CNT_ENABLE_FIFO (BIT(15))
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static inline void PXI_SetRemote(u8 msg)
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{
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*PXI_SYNC_SEND = msg;
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}
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static inline u8 PXI_GetRemote(void)
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{
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return *PXI_SYNC_RECV;
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}
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static inline void PXI_WaitRemote(u8 msg)
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{
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while(PXI_GetRemote() != msg);
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}
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static inline void PXI_Send(u32 w)
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{
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while(*PXI_CNT & PXI_CNT_SEND_FIFO_FULL);
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*PXI_SEND = w;
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}
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static inline u32 PXI_Recv(void)
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{
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while(*PXI_CNT & PXI_CNT_RECV_FIFO_EMPTY);
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return *PXI_RECV;
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}
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void PXI_Barrier(u8 barrier_id);
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void PXI_Reset(void);
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void PXI_SendArray(const u32 *w, u32 c);
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void PXI_RecvArray(u32 *w, u32 c);
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u32 PXI_DoCMD(u32 cmd, const u32 *args, u32 argc);
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