2 * Copyright 2018 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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26 #include "reg_helper.h"
28 bool dce_i2c_oem_device_present(
29 struct resource_pool *pool,
30 struct ddc_service *ddc,
34 struct dc *dc = ddc->ctx->dc;
35 struct dc_bios *dcb = dc->ctx->dc_bios;
36 struct graphics_object_id id = {0};
37 struct graphics_object_i2c_info i2c_info;
39 if (!dc->ctx->dc_bios->fw_info.oem_i2c_present)
42 id.id = dc->ctx->dc_bios->fw_info.oem_i2c_obj_id;
44 id.type = OBJECT_TYPE_GENERIC;
45 if (dcb->funcs->get_i2c_info(dcb, id, &i2c_info) != BP_RESULT_OK)
48 if (i2c_info.i2c_slave_address != slave_address)
54 bool dce_i2c_submit_command(
55 struct resource_pool *pool,
57 struct i2c_command *cmd)
59 struct dce_i2c_hw *dce_i2c_hw;
60 struct dce_i2c_sw dce_i2c_sw = {0};
72 dce_i2c_hw = acquire_i2c_hw_engine(pool, ddc);
75 return dce_i2c_submit_command_hw(pool, ddc, cmd, dce_i2c_hw);
77 dce_i2c_sw.ctx = ddc->ctx;
78 if (dce_i2c_engine_acquire_sw(&dce_i2c_sw, ddc)) {
79 return dce_i2c_submit_command_sw(pool, ddc, cmd, &dce_i2c_sw);