From fc021dc6d6f06f8eff7edc72929faddd1e1f0d1b Mon Sep 17 00:00:00 2001 From: spicyjpeg Date: Thu, 17 Nov 2022 22:20:38 +0100 Subject: Refactor libpsxcd, add new CD-ROM APIs, fix SPU DMA read --- libpsn00b/psxcd/getsector.c | 51 --------------------------------------------- 1 file changed, 51 deletions(-) delete mode 100644 libpsn00b/psxcd/getsector.c (limited to 'libpsn00b/psxcd/getsector.c') diff --git a/libpsn00b/psxcd/getsector.c b/libpsn00b/psxcd/getsector.c deleted file mode 100644 index a214d7a..0000000 --- a/libpsn00b/psxcd/getsector.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * PSn00bSDK CD drive library (sector DMA API) - * (C) 2022 spicyjpeg - MPL licensed - */ - -#include -#include -#include -#include - -#define DATA_SYNC_TIMEOUT 0x100000 - -/* DMA transfer functions */ - -int CdGetSector(void *madr, int size) { - //while (!(CD_STAT & (1 << 6))) - //__asm__ volatile(""); - - DMA_MADR(3) = (uint32_t) madr; - DMA_BCR(3) = size | (1 << 16); - DMA_CHCR(3) = 0x11000000; - - while (DMA_CHCR(3) & (1 << 24)) - __asm__ volatile(""); - - return 1; -} - -int CdGetSector2(void *madr, int size) { - //while (!(CD_STAT & (1 << 6))) - //__asm__ volatile(""); - - DMA_MADR(3) = (uint32_t) madr; - DMA_BCR(3) = size | (1 << 16); - DMA_CHCR(3) = 0x11400100; // Transfer 1 word every 16 CPU cycles - - return 1; -} - -int CdDataSync(int mode) { - if (mode) - return (DMA_CHCR(3) >> 24) & 1; - - for (int i = DATA_SYNC_TIMEOUT; i; i--) { - if (!(DMA_CHCR(3) & (1 << 24))) - return 0; - } - - _sdk_log("CdDataSync() timeout\n"); - return -1; -} -- cgit v1.2.3