drivers/gpu/host1x/debug.h

   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