Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Nicholas Kazlauskas | 467 | 100.00% | 1 | 100.00% |
Total | 467 | 1 |
/* * 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 "../inc/dmub_srv.h" struct dmub_reg_value_masks { uint32_t value; uint32_t mask; }; 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) { field_value_mask->value = (field_value_mask->value & ~mask) | (mask & (value << shift)); field_value_mask->mask = field_value_mask->mask | mask; } 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) { uint32_t shift, mask, field_value; int i = 1; /* gather all bits value/mask getting updated in this register */ set_reg_field_value_masks(field_value_mask, field_value1, mask1, shift1); while (i < n) { shift = va_arg(ap, uint32_t); mask = va_arg(ap, uint32_t); field_value = va_arg(ap, uint32_t); set_reg_field_value_masks(field_value_mask, field_value, mask, shift); i++; } } static inline uint32_t get_reg_field_value_ex(uint32_t reg_value, uint32_t mask, uint8_t shift) { return (mask & reg_value) >> shift; } void dmub_reg_update(struct dmub_srv *srv, uint32_t addr, int n, uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...) { struct dmub_reg_value_masks field_value_mask = { 0 }; uint32_t reg_val; va_list ap; va_start(ap, field_value1); set_reg_field_values(&field_value_mask, addr, n, shift1, mask1, field_value1, ap); va_end(ap); reg_val = srv->funcs.reg_read(srv->user_ctx, addr); reg_val = (reg_val & ~field_value_mask.mask) | field_value_mask.value; srv->funcs.reg_write(srv->user_ctx, addr, reg_val); } 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, ...) { struct dmub_reg_value_masks field_value_mask = { 0 }; va_list ap; va_start(ap, field_value1); set_reg_field_values(&field_value_mask, addr, n, shift1, mask1, field_value1, ap); va_end(ap); reg_val = (reg_val & ~field_value_mask.mask) | field_value_mask.value; srv->funcs.reg_write(srv->user_ctx, addr, reg_val); } void dmub_reg_get(struct dmub_srv *srv, uint32_t addr, uint8_t shift, uint32_t mask, uint32_t *field_value) { uint32_t reg_val = srv->funcs.reg_read(srv->user_ctx, addr); *field_value = get_reg_field_value_ex(reg_val, mask, shift); }
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