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6236451d83
Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Tegra host1x Debug
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*
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* Copyright (c) 2011-2013 NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __HOST1X_DEBUG_H
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#define __HOST1X_DEBUG_H
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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struct host1x;
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struct output {
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void (*fn)(void *ctx, const char *str, size_t len);
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void *ctx;
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char buf[256];
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};
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static inline void write_to_seqfile(void *ctx, const char *str, size_t len)
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{
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seq_write((struct seq_file *)ctx, str, len);
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}
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static inline void write_to_printk(void *ctx, const char *str, size_t len)
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{
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pr_info("%s", str);
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}
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void __printf(2, 3) host1x_debug_output(struct output *o, const char *fmt, ...);
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extern unsigned int host1x_debug_trace_cmdbuf;
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void host1x_debug_init(struct host1x *host1x);
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void host1x_debug_deinit(struct host1x *host1x);
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void host1x_debug_dump(struct host1x *host1x);
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void host1x_debug_dump_syncpts(struct host1x *host1x);
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#endif
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