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 "stream_encoder.h"
30
31 #define DC_LOGGER \
32 enc3->base.ctx->logger
33
34 #define REG(reg)\
35 (enc3->regs->reg)
36
37 #undef FN
38 #define FN(reg_name, field_name) \
39 enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name
40
41 #define CTX \
42 enc3->base.ctx
43
dcn32_hpo_dp_link_enc_is_in_alt_mode(struct hpo_dp_link_encoder * enc)44 static bool dcn32_hpo_dp_link_enc_is_in_alt_mode(
45 struct hpo_dp_link_encoder *enc)
46 {
47 struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc);
48 uint32_t dp_alt_mode_disable = 0;
49
50 ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E));
51
52 /* if value == 1 alt mode is disabled, otherwise it is enabled */
53 REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable);
54 return (dp_alt_mode_disable == 0);
55 }
56
57
58
59 static struct hpo_dp_link_encoder_funcs dcn32_hpo_dp_link_encoder_funcs = {
60 .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output,
61 .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output,
62 .link_enable = dcn31_hpo_dp_link_enc_enable,
63 .link_disable = dcn31_hpo_dp_link_enc_disable,
64 .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern,
65 .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table,
66 .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size,
67 .is_in_alt_mode = dcn32_hpo_dp_link_enc_is_in_alt_mode,
68 .read_state = dcn31_hpo_dp_link_enc_read_state,
69 .set_ffe = dcn31_hpo_dp_link_enc_set_ffe,
70 };
71
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)72 void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31,
73 struct dc_context *ctx,
74 uint32_t inst,
75 const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs,
76 const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift,
77 const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask)
78 {
79 enc31->base.ctx = ctx;
80
81 enc31->base.inst = inst;
82 enc31->base.funcs = &dcn32_hpo_dp_link_encoder_funcs;
83 enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN;
84 enc31->base.transmitter = TRANSMITTER_UNKNOWN;
85
86 enc31->regs = hpo_le_regs;
87 enc31->hpo_le_shift = hpo_le_shift;
88 enc31->hpo_le_mask = hpo_le_mask;
89 }
90