debug_hw.c (6256B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2010 Google, Inc. 4 * Author: Erik Gilling <konkers@android.com> 5 * 6 * Copyright (C) 2011-2013 NVIDIA Corporation 7 */ 8 9#include "../dev.h" 10#include "../debug.h" 11#include "../cdma.h" 12#include "../channel.h" 13 14#define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400 15 16enum { 17 HOST1X_OPCODE_SETCLASS = 0x00, 18 HOST1X_OPCODE_INCR = 0x01, 19 HOST1X_OPCODE_NONINCR = 0x02, 20 HOST1X_OPCODE_MASK = 0x03, 21 HOST1X_OPCODE_IMM = 0x04, 22 HOST1X_OPCODE_RESTART = 0x05, 23 HOST1X_OPCODE_GATHER = 0x06, 24 HOST1X_OPCODE_SETSTRMID = 0x07, 25 HOST1X_OPCODE_SETAPPID = 0x08, 26 HOST1X_OPCODE_SETPYLD = 0x09, 27 HOST1X_OPCODE_INCR_W = 0x0a, 28 HOST1X_OPCODE_NONINCR_W = 0x0b, 29 HOST1X_OPCODE_GATHER_W = 0x0c, 30 HOST1X_OPCODE_RESTART_W = 0x0d, 31 HOST1X_OPCODE_EXTEND = 0x0e, 32}; 33 34enum { 35 HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK = 0x00, 36 HOST1X_OPCODE_EXTEND_RELEASE_MLOCK = 0x01, 37}; 38 39#define INVALID_PAYLOAD 0xffffffff 40 41static unsigned int show_channel_command(struct output *o, u32 val, 42 u32 *payload) 43{ 44 unsigned int mask, subop, num, opcode; 45 46 opcode = val >> 28; 47 48 switch (opcode) { 49 case HOST1X_OPCODE_SETCLASS: 50 mask = val & 0x3f; 51 if (mask) { 52 host1x_debug_cont(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [", 53 val >> 6 & 0x3ff, 54 val >> 16 & 0xfff, mask); 55 return hweight8(mask); 56 } 57 58 host1x_debug_cont(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff); 59 return 0; 60 61 case HOST1X_OPCODE_INCR: 62 num = val & 0xffff; 63 host1x_debug_cont(o, "INCR(offset=%03x, [", 64 val >> 16 & 0xfff); 65 if (!num) 66 host1x_debug_cont(o, "])\n"); 67 68 return num; 69 70 case HOST1X_OPCODE_NONINCR: 71 num = val & 0xffff; 72 host1x_debug_cont(o, "NONINCR(offset=%03x, [", 73 val >> 16 & 0xfff); 74 if (!num) 75 host1x_debug_cont(o, "])\n"); 76 77 return num; 78 79 case HOST1X_OPCODE_MASK: 80 mask = val & 0xffff; 81 host1x_debug_cont(o, "MASK(offset=%03x, mask=%03x, [", 82 val >> 16 & 0xfff, mask); 83 if (!mask) 84 host1x_debug_cont(o, "])\n"); 85 86 return hweight16(mask); 87 88 case HOST1X_OPCODE_IMM: 89 host1x_debug_cont(o, "IMM(offset=%03x, data=%03x)\n", 90 val >> 16 & 0xfff, val & 0xffff); 91 return 0; 92 93 case HOST1X_OPCODE_RESTART: 94 host1x_debug_cont(o, "RESTART(offset=%08x)\n", val << 4); 95 return 0; 96 97 case HOST1X_OPCODE_GATHER: 98 host1x_debug_cont(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[", 99 val >> 16 & 0xfff, val >> 15 & 0x1, 100 val >> 14 & 0x1, val & 0x3fff); 101 return 1; 102 103#if HOST1X_HW >= 6 104 case HOST1X_OPCODE_SETSTRMID: 105 host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n", 106 val & 0x3fffff); 107 return 0; 108 109 case HOST1X_OPCODE_SETAPPID: 110 host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff); 111 return 0; 112 113 case HOST1X_OPCODE_SETPYLD: 114 *payload = val & 0xffff; 115 host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload); 116 return 0; 117 118 case HOST1X_OPCODE_INCR_W: 119 case HOST1X_OPCODE_NONINCR_W: 120 host1x_debug_cont(o, "%s(offset=%06x, ", 121 opcode == HOST1X_OPCODE_INCR_W ? 122 "INCR_W" : "NONINCR_W", 123 val & 0x3fffff); 124 if (*payload == 0) { 125 host1x_debug_cont(o, "[])\n"); 126 return 0; 127 } else if (*payload == INVALID_PAYLOAD) { 128 host1x_debug_cont(o, "unknown)\n"); 129 return 0; 130 } else { 131 host1x_debug_cont(o, "["); 132 return *payload; 133 } 134 135 case HOST1X_OPCODE_GATHER_W: 136 host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[", 137 val & 0x3fff); 138 return 2; 139#endif 140 141 case HOST1X_OPCODE_EXTEND: 142 subop = val >> 24 & 0xf; 143 if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK) 144 host1x_debug_cont(o, "ACQUIRE_MLOCK(index=%d)\n", 145 val & 0xff); 146 else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK) 147 host1x_debug_cont(o, "RELEASE_MLOCK(index=%d)\n", 148 val & 0xff); 149 else 150 host1x_debug_cont(o, "EXTEND_UNKNOWN(%08x)\n", val); 151 return 0; 152 153 default: 154 host1x_debug_cont(o, "UNKNOWN\n"); 155 return 0; 156 } 157} 158 159static void show_gather(struct output *o, dma_addr_t phys_addr, 160 unsigned int words, struct host1x_cdma *cdma, 161 dma_addr_t pin_addr, u32 *map_addr) 162{ 163 /* Map dmaget cursor to corresponding mem handle */ 164 u32 offset = phys_addr - pin_addr; 165 unsigned int data_count = 0, i; 166 u32 payload = INVALID_PAYLOAD; 167 168 /* 169 * Sometimes we're given different hardware address to the same 170 * page - in these cases the offset will get an invalid number and 171 * we just have to bail out. 172 */ 173 if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) { 174 host1x_debug_output(o, "[address mismatch]\n"); 175 return; 176 } 177 178 for (i = 0; i < words; i++) { 179 dma_addr_t addr = phys_addr + i * 4; 180 u32 val = *(map_addr + offset / 4 + i); 181 182 if (!data_count) { 183 host1x_debug_output(o, " %pad: %08x: ", &addr, val); 184 data_count = show_channel_command(o, val, &payload); 185 } else { 186 host1x_debug_cont(o, "%08x%s", val, 187 data_count > 1 ? ", " : "])\n"); 188 data_count--; 189 } 190 } 191} 192 193static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma) 194{ 195 struct push_buffer *pb = &cdma->push_buffer; 196 struct host1x_job *job; 197 198 list_for_each_entry(job, &cdma->sync_queue, list) { 199 unsigned int i; 200 201 host1x_debug_output(o, "JOB, syncpt %u: %u timeout: %u num_slots: %u num_handles: %u\n", 202 job->syncpt->id, job->syncpt_end, job->timeout, 203 job->num_slots, job->num_unpins); 204 205 show_gather(o, pb->dma + job->first_get, job->num_slots * 2, cdma, 206 pb->dma + job->first_get, pb->mapped + job->first_get); 207 208 for (i = 0; i < job->num_cmds; i++) { 209 struct host1x_job_gather *g; 210 u32 *mapped; 211 212 if (job->cmds[i].is_wait) 213 continue; 214 215 g = &job->cmds[i].gather; 216 217 if (job->gather_copy_mapped) 218 mapped = (u32 *)job->gather_copy_mapped; 219 else 220 mapped = host1x_bo_mmap(g->bo); 221 222 if (!mapped) { 223 host1x_debug_output(o, "[could not mmap]\n"); 224 continue; 225 } 226 227 host1x_debug_output(o, " GATHER at %pad+%#x, %d words\n", 228 &g->base, g->offset, g->words); 229 230 show_gather(o, g->base + g->offset, g->words, cdma, 231 g->base, mapped); 232 233 if (!job->gather_copy_mapped) 234 host1x_bo_munmap(g->bo, mapped); 235 } 236 } 237} 238 239#if HOST1X_HW >= 6 240#include "debug_hw_1x06.c" 241#else 242#include "debug_hw_1x01.c" 243#endif 244 245static const struct host1x_debug_ops host1x_debug_ops = { 246 .show_channel_cdma = host1x_debug_show_channel_cdma, 247 .show_channel_fifo = host1x_debug_show_channel_fifo, 248 .show_mlocks = host1x_debug_show_mlocks, 249};