1 /* 2 * Copyright (C) 2010 Google, Inc. 3 * Author: Erik Gilling <konkers@android.com> 4 * 5 * Copyright (C) 2011-2013 NVIDIA Corporation 6 * 7 * This software is licensed under the terms of the GNU General Public 8 * License version 2, as published by the Free Software Foundation, and 9 * may be copied, distributed, and modified under those terms. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 */ 17 18 #include "../dev.h" 19 #include "../debug.h" 20 #include "../cdma.h" 21 #include "../channel.h" 22 23 static void host1x_debug_show_channel_cdma(struct host1x *host, 24 struct host1x_channel *ch, 25 struct output *o) 26 { 27 struct host1x_cdma *cdma = &ch->cdma; 28 u32 dmaput, dmaget, dmactrl; 29 u32 cbstat, cbread; 30 u32 val, base, baseval; 31 32 dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT); 33 dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET); 34 dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL); 35 cbread = host1x_sync_readl(host, HOST1X_SYNC_CBREAD(ch->id)); 36 cbstat = host1x_sync_readl(host, HOST1X_SYNC_CBSTAT(ch->id)); 37 38 host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev)); 39 40 if (HOST1X_CHANNEL_DMACTRL_DMASTOP_V(dmactrl) || 41 !ch->cdma.push_buffer.mapped) { 42 host1x_debug_output(o, "inactive\n\n"); 43 return; 44 } 45 46 if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == HOST1X_CLASS_HOST1X && 47 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) == 48 HOST1X_UCLASS_WAIT_SYNCPT) 49 host1x_debug_output(o, "waiting on syncpt %d val %d\n", 50 cbread >> 24, cbread & 0xffffff); 51 else if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == 52 HOST1X_CLASS_HOST1X && 53 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) == 54 HOST1X_UCLASS_WAIT_SYNCPT_BASE) { 55 base = (cbread >> 16) & 0xff; 56 baseval = 57 host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(base)); 58 val = cbread & 0xffff; 59 host1x_debug_output(o, "waiting on syncpt %d val %d (base %d = %d; offset = %d)\n", 60 cbread >> 24, baseval + val, base, 61 baseval, val); 62 } else 63 host1x_debug_output(o, "active class %02x, offset %04x, val %08x\n", 64 HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat), 65 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat), 66 cbread); 67 68 host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n", 69 dmaput, dmaget, dmactrl); 70 host1x_debug_output(o, "CBREAD %08x, CBSTAT %08x\n", cbread, cbstat); 71 72 show_channel_gathers(o, cdma); 73 host1x_debug_output(o, "\n"); 74 } 75 76 static void host1x_debug_show_channel_fifo(struct host1x *host, 77 struct host1x_channel *ch, 78 struct output *o) 79 { 80 u32 val, rd_ptr, wr_ptr, start, end; 81 unsigned int data_count = 0; 82 83 host1x_debug_output(o, "%u: fifo:\n", ch->id); 84 85 val = host1x_ch_readl(ch, HOST1X_CHANNEL_FIFOSTAT); 86 host1x_debug_output(o, "FIFOSTAT %08x\n", val); 87 if (HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(val)) { 88 host1x_debug_output(o, "[empty]\n"); 89 return; 90 } 91 92 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL); 93 host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) | 94 HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id), 95 HOST1X_SYNC_CFPEEK_CTRL); 96 97 val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_PTRS); 98 rd_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_RD_PTR_V(val); 99 wr_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_WR_PTR_V(val); 100 101 val = host1x_sync_readl(host, HOST1X_SYNC_CF_SETUP(ch->id)); 102 start = HOST1X_SYNC_CF_SETUP_BASE_V(val); 103 end = HOST1X_SYNC_CF_SETUP_LIMIT_V(val); 104 105 do { 106 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL); 107 host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) | 108 HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id) | 109 HOST1X_SYNC_CFPEEK_CTRL_ADDR_F(rd_ptr), 110 HOST1X_SYNC_CFPEEK_CTRL); 111 val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_READ); 112 113 if (!data_count) { 114 host1x_debug_output(o, "%08x: ", val); 115 data_count = show_channel_command(o, val, NULL); 116 } else { 117 host1x_debug_cont(o, "%08x%s", val, 118 data_count > 1 ? ", " : "])\n"); 119 data_count--; 120 } 121 122 if (rd_ptr == end) 123 rd_ptr = start; 124 else 125 rd_ptr++; 126 } while (rd_ptr != wr_ptr); 127 128 if (data_count) 129 host1x_debug_cont(o, ", ...])\n"); 130 host1x_debug_output(o, "\n"); 131 132 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL); 133 } 134 135 static void host1x_debug_show_mlocks(struct host1x *host, struct output *o) 136 { 137 unsigned int i; 138 139 host1x_debug_output(o, "---- mlocks ----\n"); 140 141 for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) { 142 u32 owner = 143 host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i)); 144 if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner)) 145 host1x_debug_output(o, "%u: locked by channel %u\n", 146 i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner)); 147 else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner)) 148 host1x_debug_output(o, "%u: locked by cpu\n", i); 149 else 150 host1x_debug_output(o, "%u: unlocked\n", i); 151 } 152 153 host1x_debug_output(o, "\n"); 154 } 155