1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25 #include "dc_bios_types.h"
26 #include "dcn31/dcn31_hpo_dp_link_encoder.h"
27 #include "dcn32_hpo_dp_link_encoder.h"
28 #include "reg_helper.h"
29 #include "dc_link.h"
30 #include "stream_encoder.h"
31
32 #define DC_LOGGER \
33 enc3->base.ctx->logger
34
35 #define REG(reg)\
36 (enc3->regs->reg)
37
38 #undef FN
39 #define FN(reg_name, field_name) \
40 enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name
41
42 #define CTX \
43 enc3->base.ctx
44
dcn32_hpo_dp_link_enc_is_in_alt_mode(struct hpo_dp_link_encoder * enc)45 static bool dcn32_hpo_dp_link_enc_is_in_alt_mode(
46 struct hpo_dp_link_encoder *enc)
47 {
48 struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc);
49 uint32_t dp_alt_mode_disable = 0;
50
51 ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E));
52
53 /* if value == 1 alt mode is disabled, otherwise it is enabled */
54 REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable);
55 return (dp_alt_mode_disable == 0);
56 }
57
58
59
60 static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = {
61 .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output,
62 .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output,
63 .link_enable = dcn31_hpo_dp_link_enc_enable,
64 .link_disable = dcn31_hpo_dp_link_enc_disable,
65 .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern,
66 .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table,
67 .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size,
68 .is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode,
69 .read_state = dcn31_hpo_dp_link_enc_read_state,
70 .set_ffe = dcn31_hpo_dp_link_enc_set_ffe,
71 };
72
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)73 void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31,
74 struct dc_context *ctx,
75 uint32_t inst,
76 const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs,
77 const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift,
78 const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask)
79 {
80 enc31->base.ctx = ctx;
81
82 enc31->base.inst = inst;
83 enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs;
84 enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN;
85 enc31->base.transmitter = TRANSMITTER_UNKNOWN;
86
87 enc31->regs = hpo_le_regs;
88 enc31->hpo_le_shift = hpo_le_shift;
89 enc31->hpo_le_mask = hpo_le_mask;
90 }
91