/* * 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 "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) DCN_BASE__INST0_SEG##seg #define CTX dmub #define REGS dmub->regs /* Registers. */ const struct dmub_srv_common_regs dmub_srv_dcn30_regs = { #define DMUB_SR(reg) REG_OFFSET(reg), { DMUB_COMMON_REGS() }, #undef DMUB_SR #define DMUB_SF(reg, field) FD_MASK(reg, field), { DMUB_COMMON_FIELDS() }, #undef DMUB_SF #define DMUB_SF(reg, field) FD_SHIFT(reg, field), { DMUB_COMMON_FIELDS() }, #undef DMUB_SF }; /* Shared functions. */ static void dmub_dcn30_get_fb_base_offset(struct dmub_srv *dmub, uint64_t *fb_base, uint64_t *fb_offset) { uint32_t tmp; if (dmub->fb_base || dmub->fb_offset) { *fb_base = dmub->fb_base; *fb_offset = dmub->fb_offset; return; } REG_GET(DCN_VM_FB_LOCATION_BASE, FB_BASE, &tmp); *fb_base = (uint64_t)tmp << 24; REG_GET(DCN_VM_FB_OFFSET, FB_OFFSET, &tmp); *fb_offset = (uint64_t)tmp << 24; } 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) { addr_out->quad_part = addr_in->quad_part - fb_base + fb_offset; } void dmub_dcn30_backdoor_load(struct dmub_srv *dmub, const struct dmub_window *cw0, const struct dmub_window *cw1) { union dmub_addr offset; uint64_t fb_base, fb_offset; dmub_dcn30_get_fb_base_offset(dmub, &fb_base, &fb_offset); REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1); /* MEM_CTNL read/write space doesn't exist. */ dmub_dcn30_translate_addr(&cw0->offset, fb_base, fb_offset, &offset); REG_WRITE(DMCUB_REGION3_CW0_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW0_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW0_BASE_ADDRESS, cw0->region.base); REG_SET_2(DMCUB_REGION3_CW0_TOP_ADDRESS, 0, DMCUB_REGION3_CW0_TOP_ADDRESS, cw0->region.top, DMCUB_REGION3_CW0_ENABLE, 1); dmub_dcn30_translate_addr(&cw1->offset, fb_base, fb_offset, &offset); REG_WRITE(DMCUB_REGION3_CW1_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW1_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW1_BASE_ADDRESS, cw1->region.base); REG_SET_2(DMCUB_REGION3_CW1_TOP_ADDRESS, 0, DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top, DMCUB_REGION3_CW1_ENABLE, 1); REG_UPDATE_2(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0, DMCUB_MEM_UNIT_ID, 0x20); } 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) { union dmub_addr offset; /* sienna_cichlid has hardwired virtual addressing for CW2-CW7 */ offset = cw2->offset; if (cw2->region.base != cw2->region.top) { REG_WRITE(DMCUB_REGION3_CW2_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW2_BASE_ADDRESS, cw2->region.base); REG_SET_2(DMCUB_REGION3_CW2_TOP_ADDRESS, 0, DMCUB_REGION3_CW2_TOP_ADDRESS, cw2->region.top, DMCUB_REGION3_CW2_ENABLE, 1); } else { REG_WRITE(DMCUB_REGION3_CW2_OFFSET, 0); REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, 0); REG_WRITE(DMCUB_REGION3_CW2_BASE_ADDRESS, 0); REG_WRITE(DMCUB_REGION3_CW2_TOP_ADDRESS, 0); } offset = cw3->offset; REG_WRITE(DMCUB_REGION3_CW3_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW3_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW3_BASE_ADDRESS, cw3->region.base); REG_SET_2(DMCUB_REGION3_CW3_TOP_ADDRESS, 0, DMCUB_REGION3_CW3_TOP_ADDRESS, cw3->region.top, DMCUB_REGION3_CW3_ENABLE, 1); offset = cw4->offset; /* New firmware can support CW4. */ if (dmub->fw_version > DMUB_FW_VERSION(1, 0, 10)) { REG_WRITE(DMCUB_REGION3_CW4_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW4_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW4_BASE_ADDRESS, cw4->region.base); REG_SET_2(DMCUB_REGION3_CW4_TOP_ADDRESS, 0, DMCUB_REGION3_CW4_TOP_ADDRESS, cw4->region.top, DMCUB_REGION3_CW4_ENABLE, 1); } else { REG_WRITE(DMCUB_REGION4_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION4_OFFSET_HIGH, offset.u.high_part); REG_SET_2(DMCUB_REGION4_TOP_ADDRESS, 0, DMCUB_REGION4_TOP_ADDRESS, cw4->region.top - cw4->region.base - 1, DMCUB_REGION4_ENABLE, 1); } offset = cw5->offset; REG_WRITE(DMCUB_REGION3_CW5_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW5_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW5_BASE_ADDRESS, cw5->region.base); REG_SET_2(DMCUB_REGION3_CW5_TOP_ADDRESS, 0, DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top, DMCUB_REGION3_CW5_ENABLE, 1); offset = cw6->offset; REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW6_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW6_BASE_ADDRESS, cw6->region.base); REG_SET_2(DMCUB_REGION3_CW6_TOP_ADDRESS, 0, DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top, DMCUB_REGION3_CW6_ENABLE, 1); } bool dmub_dcn30_is_auto_load_done(struct dmub_srv *dmub) { return (REG_READ(DMCUB_SCRATCH0) > 0); }