diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c new file mode 100644 index 000000000000..4dbad8d4b4fc --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hpo_dp_link_encoder.c @@ -0,0 +1,90 @@ +/* + * 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 "dc_bios_types.h" +#include "dcn31/dcn31_hpo_dp_link_encoder.h" +#include "dcn32_hpo_dp_link_encoder.h" +#include "reg_helper.h" +#include "dc_link.h" +#include "stream_encoder.h" + +#define DC_LOGGER \ + enc3->base.ctx->logger + +#define REG(reg)\ + (enc3->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name + +#define CTX \ + enc3->base.ctx + +static bool dcn32_hpo_dp_link_enc_is_in_alt_mode( + struct hpo_dp_link_encoder *enc) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t dp_alt_mode_disable = 0; + + ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E)); + + /* if value == 1 alt mode is disabled, otherwise it is enabled */ + REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); + return (dp_alt_mode_disable == 0); +} + + + +static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = { + .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output, + .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output, + .link_enable = dcn31_hpo_dp_link_enc_enable, + .link_disable = dcn31_hpo_dp_link_enc_disable, + .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern, + .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table, + .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size, + .is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode, + .read_state = dcn31_hpo_dp_link_enc_read_state, + .set_ffe = dcn31_hpo_dp_link_enc_set_ffe, +}; + +void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31, + struct dc_context *ctx, + uint32_t inst, + const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs, + const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift, + const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask) +{ + enc31->base.ctx = ctx; + + enc31->base.inst = inst; + enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs; + enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN; + enc31->base.transmitter = TRANSMITTER_UNKNOWN; + + enc31->regs = hpo_le_regs; + enc31->hpo_le_shift = hpo_le_shift; + enc31->hpo_le_mask = hpo_le_mask; +} |