diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c new file mode 100644 index 000000000000..cd51c6138894 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -0,0 +1,202 @@ +/* + * 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 "../inc/dmub_srv.h" +#include "dmub_reg.h" +#include "dmub_dcn20.h" + +#include "dcn/dcn_2_0_0_offset.h" +#include "dcn/dcn_2_0_0_sh_mask.h" +#include "soc15_hw_ip.h" +#include "vega10_ip_offset.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_dcn20_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 inline void dmub_dcn20_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_dcn20_reset(struct dmub_srv *dmub) +{ + REG_UPDATE(DMCUB_CNTL, DMCUB_SOFT_RESET, 1); + REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0); + REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1); +} + +void dmub_dcn20_reset_release(struct dmub_srv *dmub) +{ + REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 0); + REG_WRITE(DMCUB_SCRATCH15, dmub->psp_version & 0x001100FF); + REG_UPDATE_2(DMCUB_CNTL, DMCUB_ENABLE, 1, DMCUB_TRACEPORT_EN, 1); + REG_UPDATE(DMCUB_CNTL, DMCUB_SOFT_RESET, 0); +} + +void dmub_dcn20_backdoor_load(struct dmub_srv *dmub, + const struct dmub_window *cw0, + const struct dmub_window *cw1) +{ + union dmub_addr offset; + uint64_t fb_base = dmub->fb_base, fb_offset = dmub->fb_offset; + + REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1); + REG_UPDATE_2(DMCUB_MEM_CNTL, DMCUB_MEM_READ_SPACE, 0x3, + DMCUB_MEM_WRITE_SPACE, 0x3); + + dmub_dcn20_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_dcn20_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_dcn20_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; + uint64_t fb_base = dmub->fb_base, fb_offset = dmub->fb_offset; + + dmub_dcn20_translate_addr(&cw2->offset, fb_base, fb_offset, &offset); + + 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); + + dmub_dcn20_translate_addr(&cw3->offset, fb_base, fb_offset, &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); + + /* TODO: Move this to CW4. */ + dmub_dcn20_translate_addr(&cw4->offset, fb_base, fb_offset, &offset); + + 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); + + dmub_dcn20_translate_addr(&cw5->offset, fb_base, fb_offset, &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); + + dmub_dcn20_translate_addr(&cw6->offset, fb_base, fb_offset, &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); +} + +void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub, + const struct dmub_region *inbox1) +{ + /* TODO: Use CW4 instead of region 4. */ + + REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, 0x80000000); + REG_WRITE(DMCUB_INBOX1_SIZE, inbox1->top - inbox1->base); + REG_WRITE(DMCUB_INBOX1_RPTR, 0); + REG_WRITE(DMCUB_INBOX1_WPTR, 0); +} + +uint32_t dmub_dcn20_get_inbox1_rptr(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_INBOX1_RPTR); +} + +void dmub_dcn20_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset) +{ + REG_WRITE(DMCUB_INBOX1_WPTR, wptr_offset); +} + +bool dmub_dcn20_is_hw_init(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_REGION3_CW2_BASE_ADDRESS) != 0; +} + +bool dmub_dcn20_is_supported(struct dmub_srv *dmub) +{ + uint32_t supported = 0; + + REG_GET(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE, &supported); + + return supported; +} |