1 /* 2 * Tegra host1x Debug 3 * 4 * Copyright (c) 2011-2013 NVIDIA Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 #ifndef __HOST1X_DEBUG_H 19 #define __HOST1X_DEBUG_H 20 21 #include <linux/debugfs.h> 22 #include <linux/seq_file.h> 23 24 struct host1x; 25 26 struct output { 27 void (*fn)(void *ctx, const char *str, size_t len, bool cont); 28 void *ctx; 29 char buf[256]; 30 }; 31 32 static inline void write_to_seqfile(void *ctx, const char *str, size_t len, 33 bool cont) 34 { 35 seq_write((struct seq_file *)ctx, str, len); 36 } 37 38 static inline void write_to_printk(void *ctx, const char *str, size_t len, 39 bool cont) 40 { 41 if (cont) 42 pr_cont("%s", str); 43 else 44 pr_info("%s", str); 45 } 46 47 void __printf(2, 3) host1x_debug_output(struct output *o, const char *fmt, ...); 48 void __printf(2, 3) host1x_debug_cont(struct output *o, const char *fmt, ...); 49 50 extern unsigned int host1x_debug_trace_cmdbuf; 51 52 void host1x_debug_init(struct host1x *host1x); 53 void host1x_debug_deinit(struct host1x *host1x); 54 void host1x_debug_dump(struct host1x *host1x); 55 void host1x_debug_dump_syncpts(struct host1x *host1x); 56 57 #endif 58