1/*
  2 * Copyright 2022 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 */
 23#include "amdgpu.h"
 24#include "smuio_v13_0_3.h"
 25#include "soc15_common.h"
 26#include "smuio/smuio_13_0_3_offset.h"
 27#include "smuio/smuio_13_0_3_sh_mask.h"
 28
 29#define PKG_TYPE_MASK		0x00000003L
 30
 31/**
 32 * smuio_v13_0_3_get_die_id - query die id from FCH.
 33 *
 34 * @adev: amdgpu device pointer
 35 *
 36 * Returns die id
 37 */
 38static u32 smuio_v13_0_3_get_die_id(struct amdgpu_device *adev)
 39{
 40	u32 data, die_id;
 41
 42	data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG);
 43	die_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, DIE_ID);
 44
 45	return die_id;
 46}
 47
 48/**
 49 * smuio_v13_0_3_get_socket_id - query socket id from FCH
 50 *
 51 * @adev: amdgpu device pointer
 52 *
 53 * Returns socket id
 54 */
 55static u32 smuio_v13_0_3_get_socket_id(struct amdgpu_device *adev)
 56{
 57	u32 data, socket_id;
 58
 59	data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG);
 60	socket_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, SOCKET_ID);
 61
 62	return socket_id;
 63}
 64
 65/**
 66 * smuio_v13_0_3_get_pkg_type - query package type set by MP1/bootcode
 67 *
 68 * @adev: amdgpu device pointer
 69 *
 70 * Returns package type
 71 */
 72
 73static enum amdgpu_pkg_type smuio_v13_0_3_get_pkg_type(struct amdgpu_device *adev)
 74{
 75	enum amdgpu_pkg_type pkg_type;
 76	u32 data;
 77
 78	data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG);
 79	data = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, PKG_TYPE);
 80	/* pkg_type[4:0]
 81	 *
 82	 * bit 1 == 1 APU form factor
 83	 *
 84	 * b0100 - b1111 - Reserved
 85	 */
 86	switch (data & PKG_TYPE_MASK) {
 87	case 0x0:
 88		pkg_type = AMDGPU_PKG_TYPE_CEM;
 89		break;
 90	case 0x1:
 91		pkg_type = AMDGPU_PKG_TYPE_OAM;
 92		break;
 93	case 0x2:
 94		pkg_type = AMDGPU_PKG_TYPE_APU;
 95		break;
 96	default:
 97		pkg_type = AMDGPU_PKG_TYPE_UNKNOWN;
 98		break;
 99	}
100
101	return pkg_type;
102}
103
104
105const struct amdgpu_smuio_funcs smuio_v13_0_3_funcs = {
106	.get_die_id = smuio_v13_0_3_get_die_id,
107	.get_socket_id = smuio_v13_0_3_get_socket_id,
108	.get_pkg_type = smuio_v13_0_3_get_pkg_type,
109};