linux/drivers/gpu/drm/amd/display/dmub/src/dmub_reg.c

/*
 * Copyright 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "dmub_reg.h"
#include "../dmub_srv.h"

struct dmub_reg_value_masks { … };

static inline void
set_reg_field_value_masks(struct dmub_reg_value_masks *field_value_mask,
			  uint32_t value, uint32_t mask, uint8_t shift)
{ … }

static void set_reg_field_values(struct dmub_reg_value_masks *field_value_mask,
				 uint32_t addr, int n, uint8_t shift1,
				 uint32_t mask1, uint32_t field_value1,
				 va_list ap)
{ … }

static inline uint32_t get_reg_field_value_ex(uint32_t reg_value, uint32_t mask,
					      uint8_t shift)
{ … }

void dmub_reg_update(struct dmub_srv *srv, uint32_t addr, int n, uint8_t shift1,
		     uint32_t mask1, uint32_t field_value1, ...)
{ … }

void dmub_reg_set(struct dmub_srv *srv, uint32_t addr, uint32_t reg_val, int n,
		  uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...)
{ … }

void dmub_reg_get(struct dmub_srv *srv, uint32_t addr, uint8_t shift,
		  uint32_t mask, uint32_t *field_value)
{ … }