sif.c revision 1.10.6.2
1 1.10.6.2 tls /* $NetBSD: sif.c,v 1.10.6.2 2014/08/20 00:03:18 tls Exp $ */ 2 1.10.6.2 tls 3 1.10.6.2 tls /*- 4 1.10.6.2 tls * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.10.6.2 tls * All rights reserved. 6 1.10.6.2 tls * 7 1.10.6.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.10.6.2 tls * by UCHIYAMA Yasushi. 9 1.10.6.2 tls * 10 1.10.6.2 tls * Redistribution and use in source and binary forms, with or without 11 1.10.6.2 tls * modification, are permitted provided that the following conditions 12 1.10.6.2 tls * are met: 13 1.10.6.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.10.6.2 tls * notice, this list of conditions and the following disclaimer. 15 1.10.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.10.6.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.10.6.2 tls * documentation and/or other materials provided with the distribution. 18 1.10.6.2 tls * 19 1.10.6.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.10.6.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.10.6.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.10.6.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.10.6.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.10.6.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.10.6.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.10.6.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.10.6.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.10.6.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.10.6.2 tls * POSSIBILITY OF SUCH DAMAGE. 30 1.10.6.2 tls */ 31 1.10.6.2 tls 32 1.10.6.2 tls #include <sys/cdefs.h> 33 1.10.6.2 tls __KERNEL_RCSID(0, "$NetBSD: sif.c,v 1.10.6.2 2014/08/20 00:03:18 tls Exp $"); 34 1.10.6.2 tls 35 1.10.6.2 tls #include "debug_playstation2.h" 36 1.10.6.2 tls 37 1.10.6.2 tls #include <sys/param.h> 38 1.10.6.2 tls #include <sys/systm.h> 39 1.10.6.2 tls #include <sys/kernel.h> 40 1.10.6.2 tls 41 1.10.6.2 tls #include <playstation2/playstation2/sifbios.h> 42 1.10.6.2 tls #include <playstation2/ee/dmacvar.h> 43 1.10.6.2 tls #include <playstation2/ee/sifvar.h> 44 1.10.6.2 tls 45 1.10.6.2 tls #ifdef SIF_DEBUG 46 1.10.6.2 tls int __spd_total_alloc; 47 1.10.6.2 tls int sif_debug = 1; 48 1.10.6.2 tls #define DPRINTF(fmt, args...) \ 49 1.10.6.2 tls if (sif_debug) \ 50 1.10.6.2 tls printf("%s: " fmt, __func__ , ##args) 51 1.10.6.2 tls #define DPRINTFN(n, arg) \ 52 1.10.6.2 tls if (sif_debug > (n)) \ 53 1.10.6.2 tls n printf("%s: " fmt, __func__ , ##args) 54 1.10.6.2 tls #else 55 1.10.6.2 tls #define DPRINTF(arg...) ((void)0) 56 1.10.6.2 tls #define DPRINTFN(n, arg...) ((void)0) 57 1.10.6.2 tls #endif 58 1.10.6.2 tls 59 1.10.6.2 tls #define ROUND64(x) ((((u_int32_t)(x)) + 63) & ~64) 60 1.10.6.2 tls #define BCD_TO_DECIMAL(x) \ 61 1.10.6.2 tls ({ \ 62 1.10.6.2 tls typeof(x) x_ = x; \ 63 1.10.6.2 tls (((x_) >> 4) * 10 + ((x_) & 0xf)); \ 64 1.10.6.2 tls }) 65 1.10.6.2 tls #define MAJOR(x) BCD_TO_DECIMAL(((x) >> 8) & 0xff) 66 1.10.6.2 tls #define MINOR(x) BCD_TO_DECIMAL((x) & 0xff) 67 1.10.6.2 tls 68 1.10.6.2 tls void 69 1.10.6.2 tls sif_init(void) 70 1.10.6.2 tls { 71 1.10.6.2 tls u_int32_t vers; 72 1.10.6.2 tls 73 1.10.6.2 tls vers = sifbios_getver(); 74 1.10.6.2 tls printf("PlayStation 2 SIF BIOS version %d.%d\n", 75 1.10.6.2 tls MAJOR(vers), MINOR(vers)); 76 1.10.6.2 tls 77 1.10.6.2 tls /* Initialize SIF */ 78 1.10.6.2 tls if (sifdma_init() < 0) 79 1.10.6.2 tls panic("SIFDMA"); 80 1.10.6.2 tls if (sifcmd_init() < 0) 81 1.10.6.2 tls panic("SIFCMD"); 82 1.10.6.2 tls dmac_intr_establish(D_CH5_SIF0, IPL_TTY, sifcmd_intr, 0); 83 1.10.6.2 tls if (sifrpc_init() < 0) 84 1.10.6.2 tls panic("SIFRPC"); 85 1.10.6.2 tls if (iopmem_init() < 0) 86 1.10.6.2 tls panic("IOP Memory"); 87 1.10.6.2 tls } 88 1.10.6.2 tls 89 1.10.6.2 tls void 90 1.10.6.2 tls sif_exit(void) 91 1.10.6.2 tls { 92 1.10.6.2 tls 93 1.10.6.2 tls sifrpc_exit(); 94 1.10.6.2 tls sifcmd_exit(); 95 1.10.6.2 tls dmac_intr_disestablish((void *)D_CH5_SIF0); 96 1.10.6.2 tls sifdma_exit(); 97 1.10.6.2 tls } 98 1.10.6.2 tls 99 1.10.6.2 tls int 100 1.10.6.2 tls iopdma_allocate_buffer(struct iopdma_segment *seg, size_t size) 101 1.10.6.2 tls { 102 1.10.6.2 tls /* 103 1.10.6.2 tls * To avoid cache inconsistecy as the result of DMA(to memory), 104 1.10.6.2 tls * DMA buffer size is setted to multiple of CPU cache line size (64B) 105 1.10.6.2 tls * and aligned to cache line. 106 1.10.6.2 tls */ 107 1.10.6.2 tls seg->size = ROUND64(size); 108 1.10.6.2 tls 109 1.10.6.2 tls seg->iop_paddr = iopmem_alloc(seg->size); 110 1.10.6.2 tls 111 1.10.6.2 tls if (seg->iop_paddr == 0) { 112 1.10.6.2 tls printf("%s: can't allocate IOP memory.\n", __func__); 113 1.10.6.2 tls DPRINTF("request = %d byte, current total = %#x\n", 114 1.10.6.2 tls size, __spd_total_alloc); 115 1.10.6.2 tls return (1); 116 1.10.6.2 tls } 117 1.10.6.2 tls 118 1.10.6.2 tls seg->ee_vaddr = IOPPHYS_TO_EEKV(seg->iop_paddr); 119 1.10.6.2 tls 120 1.10.6.2 tls #ifdef SIF_DEBUG 121 1.10.6.2 tls __spd_total_alloc += size; 122 1.10.6.2 tls #endif 123 1.10.6.2 tls DPRINTF("0x%08lx+%#x (total=%#x)\n", seg->iop_paddr, size, 124 1.10.6.2 tls __spd_total_alloc); 125 1.10.6.2 tls 126 1.10.6.2 tls KDASSERT((seg->ee_vaddr & 63) == 0); 127 1.10.6.2 tls 128 1.10.6.2 tls return (0); 129 1.10.6.2 tls } 130 1.10.6.2 tls 131 1.10.6.2 tls void 132 1.10.6.2 tls iopdma_free_buffer(struct iopdma_segment *seg) 133 1.10.6.2 tls { 134 1.10.6.2 tls int ret; 135 1.10.6.2 tls 136 1.10.6.2 tls ret = iopmem_free(seg->iop_paddr); 137 1.10.6.2 tls #ifdef SIF_DEBUG 138 1.10.6.2 tls __spd_total_alloc -= seg->size; 139 1.10.6.2 tls #endif 140 1.10.6.2 tls DPRINTF("0x%08lx (total=%#x, result=%d)\n", seg->iop_paddr, 141 1.10.6.2 tls __spd_total_alloc, ret); 142 1.10.6.2 tls } 143
Indexes created Mon Oct 27 20:09:55 GMT 2025