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 static uint8_t phy_id_to_atom(enum transmitter t)
35 {
36 	uint8_t atom_phy_id;
37 
38 	switch (t) {
39 	case TRANSMITTER_UNIPHY_A:
40 		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
41 		break;
42 	case TRANSMITTER_UNIPHY_B:
43 		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
44 		break;
45 	case TRANSMITTER_UNIPHY_C:
46 		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
47 		break;
48 	case TRANSMITTER_UNIPHY_D:
49 		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
50 		break;
51 	case TRANSMITTER_UNIPHY_E:
52 		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
53 		break;
54 	case TRANSMITTER_UNIPHY_F:
55 		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
56 		break;
57 	case TRANSMITTER_UNIPHY_G:
58 		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
59 		break;
60 	default:
61 		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
62 		break;
63 	}
64 	return atom_phy_id;
65 }
66 
67 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
68 {
69 	uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
70 
71 	switch (s) {
72 	case SIGNAL_TYPE_DISPLAY_PORT:
73 	case SIGNAL_TYPE_EDP:
74 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
75 		break;
76 	case SIGNAL_TYPE_LVDS:
77 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_LVDS;
78 		break;
79 	case SIGNAL_TYPE_DVI_SINGLE_LINK:
80 	case SIGNAL_TYPE_DVI_DUAL_LINK:
81 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DVI;
82 		break;
83 	case SIGNAL_TYPE_HDMI_TYPE_A:
84 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_HDMI;
85 		break;
86 	case SIGNAL_TYPE_DISPLAY_PORT_MST:
87 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP_MST;
88 		break;
89 	default:
90 		atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DVI;
91 		break;
92 	}
93 
94 	return atom_dig_mode;
95 }
96 
97 static uint8_t clock_source_id_to_atom_phy_clk_src_id(
98 		enum clock_source_id id)
99 {
100 	uint8_t atom_phy_clk_src_id = 0;
101 
102 	switch (id) {
103 	case CLOCK_SOURCE_ID_PLL0:
104 		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
105 		break;
106 	case CLOCK_SOURCE_ID_PLL1:
107 		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
108 		break;
109 	case CLOCK_SOURCE_ID_PLL2:
110 		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
111 		break;
112 	case CLOCK_SOURCE_ID_EXTERNAL:
113 		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
114 		break;
115 	default:
116 		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
117 		break;
118 	}
119 
120 	return atom_phy_clk_src_id >> 2;
121 }
122 
123 static uint8_t hpd_sel_to_atom(enum hpd_source_id id)
124 {
125 	uint8_t atom_hpd_sel = 0;
126 
127 	switch (id) {
128 	case HPD_SOURCEID1:
129 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD1_SEL;
130 		break;
131 	case HPD_SOURCEID2:
132 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD2_SEL;
133 		break;
134 	case HPD_SOURCEID3:
135 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD3_SEL;
136 		break;
137 	case HPD_SOURCEID4:
138 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD4_SEL;
139 		break;
140 	case HPD_SOURCEID5:
141 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD5_SEL;
142 		break;
143 	case HPD_SOURCEID6:
144 		atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD6_SEL;
145 		break;
146 	case HPD_SOURCEID_UNKNOWN:
147 	default:
148 		atom_hpd_sel = 0;
149 		break;
150 	}
151 	return atom_hpd_sel >> 4;
152 }
153 
154 static uint8_t dig_encoder_sel_to_atom(enum engine_id id)
155 {
156 	uint8_t atom_dig_encoder_sel = 0;
157 
158 	switch (id) {
159 	case ENGINE_ID_DIGA:
160 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGA_SEL;
161 		break;
162 	case ENGINE_ID_DIGB:
163 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGB_SEL;
164 		break;
165 	case ENGINE_ID_DIGC:
166 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGC_SEL;
167 		break;
168 	case ENGINE_ID_DIGD:
169 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGD_SEL;
170 		break;
171 	case ENGINE_ID_DIGE:
172 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGE_SEL;
173 		break;
174 	case ENGINE_ID_DIGF:
175 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGF_SEL;
176 		break;
177 	case ENGINE_ID_DIGG:
178 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGG_SEL;
179 		break;
180 	case ENGINE_ID_UNKNOWN:
181 		 /* No DIG_FRONT is associated to DIG_BACKEND */
182 		atom_dig_encoder_sel = 0;
183 		break;
184 	default:
185 		atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGA_SEL;
186 		break;
187 	}
188 
189 	return 0;
190 }
191 
192 static bool clock_source_id_to_atom(
193 	enum clock_source_id id,
194 	uint32_t *atom_pll_id)
195 {
196 	bool result = true;
197 
198 	if (atom_pll_id != NULL)
199 		switch (id) {
200 		case CLOCK_SOURCE_ID_PLL0:
201 			*atom_pll_id = ATOM_PPLL0;
202 			break;
203 		case CLOCK_SOURCE_ID_PLL1:
204 			*atom_pll_id = ATOM_PPLL1;
205 			break;
206 		case CLOCK_SOURCE_ID_PLL2:
207 			*atom_pll_id = ATOM_PPLL2;
208 			break;
209 		case CLOCK_SOURCE_ID_EXTERNAL:
210 			*atom_pll_id = ATOM_PPLL_INVALID;
211 			break;
212 		case CLOCK_SOURCE_ID_DFS:
213 			*atom_pll_id = ATOM_EXT_PLL1;
214 			break;
215 		case CLOCK_SOURCE_ID_VCE:
216 			/* for VCE encoding,
217 			 * we need to pass in ATOM_PPLL_INVALID
218 			 */
219 			*atom_pll_id = ATOM_PPLL_INVALID;
220 			break;
221 		case CLOCK_SOURCE_ID_DP_DTO:
222 			/* When programming DP DTO PLL ID should be invalid */
223 			*atom_pll_id = ATOM_PPLL_INVALID;
224 			break;
225 		case CLOCK_SOURCE_ID_UNDEFINED:
226 			/* Should not happen */
227 			*atom_pll_id = ATOM_PPLL_INVALID;
228 			result = false;
229 			break;
230 		default:
231 			result = false;
232 			break;
233 		}
234 
235 	return result;
236 }
237 
238 static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
239 {
240 	bool result = false;
241 
242 	if (atom_engine_id != NULL)
243 		switch (id) {
244 		case ENGINE_ID_DIGA:
245 			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
246 			result = true;
247 			break;
248 		case ENGINE_ID_DIGB:
249 			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
250 			result = true;
251 			break;
252 		case ENGINE_ID_DIGC:
253 			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
254 			result = true;
255 			break;
256 		case ENGINE_ID_DIGD:
257 			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
258 			result = true;
259 			break;
260 		case ENGINE_ID_DIGE:
261 			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
262 			result = true;
263 			break;
264 		case ENGINE_ID_DIGF:
265 			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
266 			result = true;
267 			break;
268 		case ENGINE_ID_DIGG:
269 			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
270 			result = true;
271 			break;
272 		case ENGINE_ID_DACA:
273 			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
274 			result = true;
275 			break;
276 		default:
277 			break;
278 		}
279 
280 	return result;
281 }
282 
283 static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
284 {
285 	uint8_t atom_action = 0;
286 
287 	switch (action) {
288 	case ENCODER_CONTROL_ENABLE:
289 		atom_action = ATOM_ENABLE;
290 		break;
291 	case ENCODER_CONTROL_DISABLE:
292 		atom_action = ATOM_DISABLE;
293 		break;
294 	case ENCODER_CONTROL_SETUP:
295 		atom_action = ATOM_ENCODER_CMD_SETUP;
296 		break;
297 	case ENCODER_CONTROL_INIT:
298 		atom_action = ATOM_ENCODER_INIT;
299 		break;
300 	default:
301 		BREAK_TO_DEBUGGER(); /* Unhandle action in driver.!! */
302 		break;
303 	}
304 
305 	return atom_action;
306 }
307 
308 static uint8_t disp_power_gating_action_to_atom(
309 	enum bp_pipe_control_action action)
310 {
311 	uint8_t atom_pipe_action = 0;
312 
313 	switch (action) {
314 	case ASIC_PIPE_DISABLE:
315 		atom_pipe_action = ATOM_DISABLE;
316 		break;
317 	case ASIC_PIPE_ENABLE:
318 		atom_pipe_action = ATOM_ENABLE;
319 		break;
320 	case ASIC_PIPE_INIT:
321 		atom_pipe_action = ATOM_INIT;
322 		break;
323 	default:
324 		ASSERT_CRITICAL(false); /* Unhandle action in driver! */
325 		break;
326 	}
327 
328 	return atom_pipe_action;
329 }
330 
331 /* function table */
332 static const struct command_table_helper command_table_helper_funcs = {
333 	.controller_id_to_atom = dal_cmd_table_helper_controller_id_to_atom,
334 	.encoder_action_to_atom = encoder_action_to_atom,
335 	.engine_bp_to_atom = engine_bp_to_atom,
336 	.clock_source_id_to_atom = clock_source_id_to_atom,
337 	.clock_source_id_to_atom_phy_clk_src_id =
338 			clock_source_id_to_atom_phy_clk_src_id,
339 	.signal_type_to_atom_dig_mode = signal_type_to_atom_dig_mode,
340 	.hpd_sel_to_atom = hpd_sel_to_atom,
341 	.dig_encoder_sel_to_atom = dig_encoder_sel_to_atom,
342 	.phy_id_to_atom = phy_id_to_atom,
343 	.disp_power_gating_action_to_atom = disp_power_gating_action_to_atom,
344 	.assign_control_parameter = NULL,
345 	.clock_source_id_to_ref_clk_src = NULL,
346 	.transmitter_bp_to_atom = NULL,
347 	.encoder_id_to_atom = dal_cmd_table_helper_encoder_id_to_atom,
348 	.encoder_mode_bp_to_atom = dal_cmd_table_helper_encoder_mode_bp_to_atom,
349 };
350 
351 /*
352  * dal_cmd_tbl_helper_dce110_get_table
353  *
354  * @brief
355  * Initialize command table helper functions
356  *
357  * @param
358  * const struct command_table_helper **h - [out] struct of functions
359  *
360  */
361 const struct command_table_helper *dal_cmd_tbl_helper_dce110_get_table(void)
362 {
363 	return &command_table_helper_funcs;
364 }
365