linux/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c

/*
 * Copyright 2020 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_srv.h"
#include "dmub_reg.h"
#include "dmub_dcn20.h"
#include "dmub_dcn30.h"

#include "sienna_cichlid_ip_offset.h"
#include "dcn/dcn_3_0_0_offset.h"
#include "dcn/dcn_3_0_0_sh_mask.h"

#define BASE_INNER(seg) …
#define CTX …
#define REGS …

/* Registers. */

const struct dmub_srv_common_regs dmub_srv_dcn30_regs = …;

/* Shared functions. */

static void dmub_dcn30_get_fb_base_offset(struct dmub_srv *dmub,
					  uint64_t *fb_base,
					  uint64_t *fb_offset)
{ … }

static inline void dmub_dcn30_translate_addr(const union dmub_addr *addr_in,
					     uint64_t fb_base,
					     uint64_t fb_offset,
					     union dmub_addr *addr_out)
{ … }

void dmub_dcn30_backdoor_load(struct dmub_srv *dmub,
			      const struct dmub_window *cw0,
			      const struct dmub_window *cw1)
{ … }

void dmub_dcn30_setup_windows(struct dmub_srv *dmub,
			      const struct dmub_window *cw2,
			      const struct dmub_window *cw3,
			      const struct dmub_window *cw4,
			      const struct dmub_window *cw5,
			      const struct dmub_window *cw6,
			      const struct dmub_window *region6)
{ … }