Linux-libre 5.7.6-gnu
[librecmc/linux-libre.git] / drivers / gpu / drm / amd / display / dc / bios / command_table_helper.c
1 /*
2  * Copyright 2012-15 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
26 #include "dm_services.h"
27
28 #include "atom.h"
29
30 #include "include/bios_parser_types.h"
31
32 #include "command_table_helper.h"
33
34 bool dal_bios_parser_init_cmd_tbl_helper(
35         const struct command_table_helper **h,
36         enum dce_version dce)
37 {
38         switch (dce) {
39         case DCE_VERSION_8_0:
40         case DCE_VERSION_8_1:
41         case DCE_VERSION_8_3:
42                 *h = dal_cmd_tbl_helper_dce80_get_table();
43                 return true;
44
45         case DCE_VERSION_10_0:
46                 *h = dal_cmd_tbl_helper_dce110_get_table();
47                 return true;
48
49         case DCE_VERSION_11_0:
50                 *h = dal_cmd_tbl_helper_dce110_get_table();
51                 return true;
52
53         case DCE_VERSION_11_2:
54         case DCE_VERSION_11_22:
55                 *h = dal_cmd_tbl_helper_dce112_get_table();
56                 return true;
57
58         default:
59                 /* Unsupported DCE */
60                 BREAK_TO_DEBUGGER();
61                 return false;
62         }
63 }
64
65 /* real implementations */
66
67 bool dal_cmd_table_helper_controller_id_to_atom(
68         enum controller_id id,
69         uint8_t *atom_id)
70 {
71         if (atom_id == NULL) {
72                 BREAK_TO_DEBUGGER();
73                 return false;
74         }
75
76         switch (id) {
77         case CONTROLLER_ID_D0:
78                 *atom_id = ATOM_CRTC1;
79                 return true;
80         case CONTROLLER_ID_D1:
81                 *atom_id = ATOM_CRTC2;
82                 return true;
83         case CONTROLLER_ID_D2:
84                 *atom_id = ATOM_CRTC3;
85                 return true;
86         case CONTROLLER_ID_D3:
87                 *atom_id = ATOM_CRTC4;
88                 return true;
89         case CONTROLLER_ID_D4:
90                 *atom_id = ATOM_CRTC5;
91                 return true;
92         case CONTROLLER_ID_D5:
93                 *atom_id = ATOM_CRTC6;
94                 return true;
95         case CONTROLLER_ID_UNDERLAY0:
96                 *atom_id = ATOM_UNDERLAY_PIPE0;
97                 return true;
98         case CONTROLLER_ID_UNDEFINED:
99                 *atom_id = ATOM_CRTC_INVALID;
100                 return true;
101         default:
102                 /* Wrong controller id */
103                 BREAK_TO_DEBUGGER();
104                 return false;
105         }
106 }
107
108 /**
109 * translate_transmitter_bp_to_atom
110 *
111 * @brief
112 *  Translate the Transmitter to the corresponding ATOM BIOS value
113 *
114 * @param
115 *   input transmitter
116 *   output digitalTransmitter
117 *    // =00: Digital Transmitter1 ( UNIPHY linkAB )
118 *    // =01: Digital Transmitter2 ( UNIPHY linkCD )
119 *    // =02: Digital Transmitter3 ( UNIPHY linkEF )
120 */
121 uint8_t dal_cmd_table_helper_transmitter_bp_to_atom(
122         enum transmitter t)
123 {
124         switch (t) {
125         case TRANSMITTER_UNIPHY_A:
126         case TRANSMITTER_UNIPHY_B:
127         case TRANSMITTER_TRAVIS_LCD:
128                 return 0;
129         case TRANSMITTER_UNIPHY_C:
130         case TRANSMITTER_UNIPHY_D:
131                 return 1;
132         case TRANSMITTER_UNIPHY_E:
133         case TRANSMITTER_UNIPHY_F:
134                 return 2;
135         default:
136                 /* Invalid Transmitter Type! */
137                 BREAK_TO_DEBUGGER();
138                 return 0;
139         }
140 }
141
142 uint32_t dal_cmd_table_helper_encoder_mode_bp_to_atom(
143         enum signal_type s,
144         bool enable_dp_audio)
145 {
146         switch (s) {
147         case SIGNAL_TYPE_DVI_SINGLE_LINK:
148         case SIGNAL_TYPE_DVI_DUAL_LINK:
149                 return ATOM_ENCODER_MODE_DVI;
150         case SIGNAL_TYPE_HDMI_TYPE_A:
151                 return ATOM_ENCODER_MODE_HDMI;
152         case SIGNAL_TYPE_LVDS:
153                 return ATOM_ENCODER_MODE_LVDS;
154         case SIGNAL_TYPE_EDP:
155         case SIGNAL_TYPE_DISPLAY_PORT_MST:
156         case SIGNAL_TYPE_DISPLAY_PORT:
157         case SIGNAL_TYPE_VIRTUAL:
158                 if (enable_dp_audio)
159                         return ATOM_ENCODER_MODE_DP_AUDIO;
160                 else
161                         return ATOM_ENCODER_MODE_DP;
162         case SIGNAL_TYPE_RGB:
163                 return ATOM_ENCODER_MODE_CRT;
164         default:
165                 return ATOM_ENCODER_MODE_CRT;
166         }
167 }
168
169 void dal_cmd_table_helper_assign_control_parameter(
170         const struct command_table_helper *h,
171         struct bp_encoder_control *control,
172         DIG_ENCODER_CONTROL_PARAMETERS_V2 *ctrl_param)
173 {
174         /* there are three transmitter blocks, each one has two links 4-lanes
175          * each, A+B, C+D, E+F, Uniphy A, C and E are enumerated as link 0 in
176          * each transmitter block B, D and F as link 1, third transmitter block
177          * has non splitable links (UniphyE and UniphyF can not be configured
178          * separately to drive two different streams)
179          */
180         if ((control->transmitter == TRANSMITTER_UNIPHY_B) ||
181                 (control->transmitter == TRANSMITTER_UNIPHY_D) ||
182                 (control->transmitter == TRANSMITTER_UNIPHY_F)) {
183                 /* Bit2: Link Select
184                  * =0: PHY linkA/C/E
185                  * =1: PHY linkB/D/F
186                  */
187                 ctrl_param->acConfig.ucLinkSel = 1;
188         }
189
190         /* Bit[4:3]: Transmitter Selection
191          * =00: Digital Transmitter1 ( UNIPHY linkAB )
192          * =01: Digital Transmitter2 ( UNIPHY linkCD )
193          * =02: Digital Transmitter3 ( UNIPHY linkEF )
194          * =03: Reserved
195          */
196         ctrl_param->acConfig.ucTransmitterSel =
197                 (uint8_t)(h->transmitter_bp_to_atom(control->transmitter));
198
199         /* We need to convert from KHz units into 10KHz units */
200         ctrl_param->ucAction = h->encoder_action_to_atom(control->action);
201         ctrl_param->usPixelClock = cpu_to_le16((uint16_t)(control->pixel_clock / 10));
202         ctrl_param->ucEncoderMode =
203                 (uint8_t)(h->encoder_mode_bp_to_atom(
204                         control->signal, control->enable_dp_audio));
205         ctrl_param->ucLaneNum = (uint8_t)(control->lanes_number);
206 }
207
208 bool dal_cmd_table_helper_clock_source_id_to_ref_clk_src(
209         enum clock_source_id id,
210         uint32_t *ref_clk_src_id)
211 {
212         if (ref_clk_src_id == NULL) {
213                 BREAK_TO_DEBUGGER();
214                 return false;
215         }
216
217         switch (id) {
218         case CLOCK_SOURCE_ID_PLL1:
219                 *ref_clk_src_id = ENCODER_REFCLK_SRC_P1PLL;
220                 return true;
221         case CLOCK_SOURCE_ID_PLL2:
222                 *ref_clk_src_id = ENCODER_REFCLK_SRC_P2PLL;
223                 return true;
224         case CLOCK_SOURCE_ID_DCPLL:
225                 *ref_clk_src_id = ENCODER_REFCLK_SRC_DCPLL;
226                 return true;
227         case CLOCK_SOURCE_ID_EXTERNAL:
228                 *ref_clk_src_id = ENCODER_REFCLK_SRC_EXTCLK;
229                 return true;
230         case CLOCK_SOURCE_ID_UNDEFINED:
231                 *ref_clk_src_id = ENCODER_REFCLK_SRC_INVALID;
232                 return true;
233         default:
234                 /* Unsupported clock source id */
235                 BREAK_TO_DEBUGGER();
236                 return false;
237         }
238 }
239
240 uint8_t dal_cmd_table_helper_encoder_id_to_atom(
241         enum encoder_id id)
242 {
243         switch (id) {
244         case ENCODER_ID_INTERNAL_LVDS:
245                 return ENCODER_OBJECT_ID_INTERNAL_LVDS;
246         case ENCODER_ID_INTERNAL_TMDS1:
247                 return ENCODER_OBJECT_ID_INTERNAL_TMDS1;
248         case ENCODER_ID_INTERNAL_TMDS2:
249                 return ENCODER_OBJECT_ID_INTERNAL_TMDS2;
250         case ENCODER_ID_INTERNAL_DAC1:
251                 return ENCODER_OBJECT_ID_INTERNAL_DAC1;
252         case ENCODER_ID_INTERNAL_DAC2:
253                 return ENCODER_OBJECT_ID_INTERNAL_DAC2;
254         case ENCODER_ID_INTERNAL_LVTM1:
255                 return ENCODER_OBJECT_ID_INTERNAL_LVTM1;
256         case ENCODER_ID_INTERNAL_HDMI:
257                 return ENCODER_OBJECT_ID_HDMI_INTERNAL;
258         case ENCODER_ID_EXTERNAL_TRAVIS:
259                 return ENCODER_OBJECT_ID_TRAVIS;
260         case ENCODER_ID_EXTERNAL_NUTMEG:
261                 return ENCODER_OBJECT_ID_NUTMEG;
262         case ENCODER_ID_INTERNAL_KLDSCP_TMDS1:
263                 return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1;
264         case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
265                 return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1;
266         case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
267                 return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2;
268         case ENCODER_ID_EXTERNAL_MVPU_FPGA:
269                 return ENCODER_OBJECT_ID_MVPU_FPGA;
270         case ENCODER_ID_INTERNAL_DDI:
271                 return ENCODER_OBJECT_ID_INTERNAL_DDI;
272         case ENCODER_ID_INTERNAL_UNIPHY:
273                 return ENCODER_OBJECT_ID_INTERNAL_UNIPHY;
274         case ENCODER_ID_INTERNAL_KLDSCP_LVTMA:
275                 return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA;
276         case ENCODER_ID_INTERNAL_UNIPHY1:
277                 return ENCODER_OBJECT_ID_INTERNAL_UNIPHY1;
278         case ENCODER_ID_INTERNAL_UNIPHY2:
279                 return ENCODER_OBJECT_ID_INTERNAL_UNIPHY2;
280         case ENCODER_ID_INTERNAL_UNIPHY3:
281                 return ENCODER_OBJECT_ID_INTERNAL_UNIPHY3;
282         case ENCODER_ID_INTERNAL_WIRELESS:
283                 return ENCODER_OBJECT_ID_INTERNAL_VCE;
284         case ENCODER_ID_UNKNOWN:
285                 return ENCODER_OBJECT_ID_NONE;
286         default:
287                 /* Invalid encoder id */
288                 BREAK_TO_DEBUGGER();
289                 return ENCODER_OBJECT_ID_NONE;
290         }
291 }