/*
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* Copyright 2012-16 Advanced Micro Devices, Inc.
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* Copyright 2019 Raptor Engineering, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef _OS_TYPES_H_
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#define _OS_TYPES_H_
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#include <linux/kgdb.h>
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#include <linux/kref.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <asm/byteorder.h>
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#include <drm/drm_print.h>
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#include "cgs_common.h"
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#if defined(__BIG_ENDIAN) && !defined(BIGENDIAN_CPU)
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#define BIGENDIAN_CPU
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#elif defined(__LITTLE_ENDIAN) && !defined(LITTLEENDIAN_CPU)
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#define LITTLEENDIAN_CPU
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#endif
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#undef FRAME_SIZE
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#define dm_output_to_console(fmt, ...) DRM_DEBUG_KMS(fmt, ##__VA_ARGS__)
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#define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__)
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#if defined(CONFIG_DRM_AMD_DC_DCN)
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#if defined(CONFIG_X86)
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#include <asm/fpu/api.h>
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#define DC_FP_START() kernel_fpu_begin()
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#define DC_FP_END() kernel_fpu_end()
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#elif defined(CONFIG_PPC64)
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#include <asm/switch_to.h>
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#include <asm/cputable.h>
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#define DC_FP_START() { \
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if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
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preempt_disable(); \
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enable_kernel_vsx(); \
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} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
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preempt_disable(); \
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enable_kernel_altivec(); \
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} else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
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preempt_disable(); \
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enable_kernel_fp(); \
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} \
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}
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#define DC_FP_END() { \
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if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
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disable_kernel_vsx(); \
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preempt_enable(); \
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} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
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disable_kernel_altivec(); \
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preempt_enable(); \
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} else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
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disable_kernel_fp(); \
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preempt_enable(); \
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} \
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}
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#endif
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#endif
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/*
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*
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* general debug capabilities
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*
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*/
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#ifdef CONFIG_DEBUG_KERNEL_DC
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#define dc_breakpoint() kgdb_breakpoint()
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#else
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#define dc_breakpoint() do {} while (0)
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#endif
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#define ASSERT_CRITICAL(expr) do { \
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if (WARN_ON(!(expr))) \
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dc_breakpoint(); \
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} while (0)
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#define ASSERT(expr) do { \
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if (WARN_ON_ONCE(!(expr))) \
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dc_breakpoint(); \
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} while (0)
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#define BREAK_TO_DEBUGGER() \
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do { \
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DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \
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dc_breakpoint(); \
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} while (0)
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#define DC_ERR(...) do { \
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dm_error(__VA_ARGS__); \
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BREAK_TO_DEBUGGER(); \
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} while (0)
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#endif /* _OS_TYPES_H_ */
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