/* * Copyright 2015 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. * * */ #ifndef _CGS_COMMON_H #define _CGS_COMMON_H #include "amd_shared.h" struct cgs_device; /** * enum cgs_ind_reg - Indirect register spaces */ enum cgs_ind_reg { … }; /* * enum cgs_ucode_id - Firmware types for different IPs */ enum cgs_ucode_id { … }; /** * struct cgs_firmware_info - Firmware information */ struct cgs_firmware_info { … }; cgs_handle_t; /** * cgs_read_register() - Read an MMIO register * @cgs_device: opaque device handle * @offset: register offset * * Return: register value */ cgs_read_register_t; /** * cgs_write_register() - Write an MMIO register * @cgs_device: opaque device handle * @offset: register offset * @value: register value */ cgs_write_register_t; /** * cgs_read_ind_register() - Read an indirect register * @cgs_device: opaque device handle * @offset: register offset * * Return: register value */ cgs_read_ind_register_t; /** * cgs_write_ind_register() - Write an indirect register * @cgs_device: opaque device handle * @offset: register offset * @value: register value */ cgs_write_ind_register_t; #define CGS_REG_FIELD_SHIFT(reg, field) … #define CGS_REG_FIELD_MASK(reg, field) … #define CGS_REG_SET_FIELD(orig_val, reg, field, field_val) … #define CGS_REG_GET_FIELD(value, reg, field) … #define CGS_WREG32_FIELD(device, reg, field, val) … #define CGS_WREG32_FIELD_IND(device, space, reg, field, val) … cgs_get_firmware_info; struct cgs_ops { … }; struct cgs_os_ops; /* To be define in OS-specific CGS header */ struct cgs_device { … }; /* Convenience macros that make CGS indirect function calls look like * normal function calls */ #define CGS_CALL(func, dev, ...) … #define CGS_OS_CALL(func, dev, ...) … #define cgs_read_register(dev, offset) … #define cgs_write_register(dev, offset, value) … #define cgs_read_ind_register(dev, space, index) … #define cgs_write_ind_register(dev, space, index, value) … #define cgs_get_firmware_info(dev, type, info) … #endif /* _CGS_COMMON_H */
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