power_helpers.c revision 1.3
1/* Copyright 2018 Advanced Micro Devices, Inc.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a
4 * copy of this software and associated documentation files (the "Software"),
5 * to deal in the Software without restriction, including without limitation
6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7 * and/or sell copies of the Software, and to permit persons to whom the
8 * Software is furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 * OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Authors: AMD
22 *
23 */
24
25#include "power_helpers.h"
26#include "dc/inc/hw/dmcu.h"
27#include "dc/inc/hw/abm.h"
28#include "dc.h"
29#include "core_types.h"
30#include "dmub_cmd.h"
31
32#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
33#define bswap16_based_on_endian(big_endian, value) \
34	(big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)
35
36/* Possible Min Reduction config from least aggressive to most aggressive
37 *  0    1     2     3     4     5     6     7     8     9     10    11   12
38 * 100  98.0 94.1  94.1  85.1  80.3  75.3  69.4  60.0  57.6  50.2  49.8  40.0 %
39 */
40static const unsigned char min_reduction_table[13] = {
410xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66};
42
43/* Possible Max Reduction configs from least aggressive to most aggressive
44 *  0    1     2     3     4     5     6     7     8     9     10    11   12
45 * 96.1 89.8 85.1  80.3  69.4  64.7  64.7  50.2  39.6  30.2  30.2  30.2  19.6 %
46 */
47static const unsigned char max_reduction_table[13] = {
480xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32};
49
50/* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive
51 *  0    1     2     3     4     5     6     7     8     9     10    11   12
52 * 100  100   100   100   100   100   100   100  100  92.2  83.1  75.3  75.3 %
53 */
54static const unsigned char min_reduction_table_v_2_2[13] = {
550xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0};
56
57/* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive
58 *  0    1     2     3     4     5     6     7     8     9     10    11   12
59 * 96.1 89.8 74.9  69.4  64.7  52.2  48.6  39.6  30.2  25.1  19.6  12.5  12.5 %
60 */
61static const unsigned char max_reduction_table_v_2_2[13] = {
620xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20};
63
64/* Predefined ABM configuration sets. We may have different configuration sets
65 * in order to satisfy different power/quality requirements.
66 */
67static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = {
68/*  ABM Level 1,    ABM Level 2,    ABM Level 3,    ABM Level 4 */
69{       2,              5,              7,              8       },	/* Default - Medium aggressiveness */
70{       2,              5,              8,              11      },	/* Alt #1  - Increased aggressiveness */
71{       0,              2,              4,              8       },	/* Alt #2  - Minimal aggressiveness */
72{       3,              6,              10,             12      },	/* Alt #3  - Super aggressiveness */
73};
74
75struct abm_parameters {
76	unsigned char min_reduction;
77	unsigned char max_reduction;
78	unsigned char bright_pos_gain;
79	unsigned char dark_pos_gain;
80	unsigned char brightness_gain;
81	unsigned char contrast_factor;
82	unsigned char deviation_gain;
83	unsigned char min_knee;
84	unsigned char max_knee;
85	unsigned short blRampReduction;
86	unsigned short blRampStart;
87};
88
89static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = {
90//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed    blStart
91	{0xff,   0xbf,    0x20,       0x00,     0xff,        0x99,     0xb3, 0x40,     0xe0,     0xf777,  0xcccc},
92	{0xde,   0x85,    0x20,       0x00,     0xe0,        0x90,     0xa8, 0x40,     0xc8,     0xf777,  0xcccc},
93	{0xb0,   0x50,    0x20,       0x00,     0xc0,        0x88,     0x78, 0x70,     0xa0,     0xeeee,  0x9999},
94	{0x82,   0x40,    0x20,       0x00,     0x00,        0xb8,     0xb3, 0x70,     0x70,     0xe333,  0xb333},
95};
96
97static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {
98//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed  blStart
99	{0xf0,   0xd9,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
100	{0xcd,   0xa5,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
101	{0x99,   0x65,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
102	{0x82,   0x4d,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
103};
104
105static const struct abm_parameters * const abm_settings[] = {
106	abm_settings_config0,
107	abm_settings_config1,
108};
109
110#define NUM_AMBI_LEVEL    5
111#define NUM_AGGR_LEVEL    4
112#define NUM_POWER_FN_SEGS 8
113#define NUM_BL_CURVE_SEGS 16
114#define IRAM_SIZE 256
115
116#define IRAM_RESERVE_AREA_START_V2 0xF0  // reserve 0xF0~0xF6 are write by DMCU only
117#define IRAM_RESERVE_AREA_END_V2 0xF6  // reserve 0xF0~0xF6 are write by DMCU only
118
119#define IRAM_RESERVE_AREA_START_V2_2 0xF0  // reserve 0xF0~0xFF are write by DMCU only
120#define IRAM_RESERVE_AREA_END_V2_2 0xFF  // reserve 0xF0~0xFF are write by DMCU only
121
122#pragma pack(push, 1)
123/* NOTE: iRAM is 256B in size */
124struct iram_table_v_2 {
125	/* flags                      */
126	uint16_t min_abm_backlight;					/* 0x00 U16  */
127
128	/* parameters for ABM2.0 algorithm */
129	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x02 U0.8 */
130	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x16 U0.8 */
131	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x2a U2.6 */
132	uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x3e U2.6 */
133	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x52 U2.6 */
134	uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x66 U2.6 */
135	uint8_t iir_curve[NUM_AMBI_LEVEL];				/* 0x7a U0.8 */
136	uint8_t deviation_gain;						/* 0x7f U0.8 */
137
138	/* parameters for crgb conversion */
139	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];			/* 0x80 U3.13 */
140	uint16_t crgb_offset[NUM_POWER_FN_SEGS];			/* 0x90 U1.15 */
141	uint16_t crgb_slope[NUM_POWER_FN_SEGS];				/* 0xa0 U4.12 */
142
143	/* parameters for custom curve */
144	/* thresholds for brightness --> backlight */
145	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];		/* 0xb0 U16.0 */
146	/* offsets for brightness --> backlight */
147	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];			/* 0xd0 U16.0 */
148
149	/* For reading PSR State directly from IRAM */
150	uint8_t psr_state;						/* 0xf0       */
151	uint8_t dmcu_mcp_interface_version;				/* 0xf1       */
152	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
153	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
154	uint16_t dmcu_version;						/* 0xf4       */
155	uint8_t dmcu_state;						/* 0xf6       */
156
157	uint16_t blRampReduction;					/* 0xf7       */
158	uint16_t blRampStart;						/* 0xf9       */
159	uint8_t dummy5;							/* 0xfb       */
160	uint8_t dummy6;							/* 0xfc       */
161	uint8_t dummy7;							/* 0xfd       */
162	uint8_t dummy8;							/* 0xfe       */
163	uint8_t dummy9;							/* 0xff       */
164};
165
166struct iram_table_v_2_2 {
167	/* flags                      */
168	uint16_t flags;							/* 0x00 U16  */
169
170	/* parameters for ABM2.2 algorithm */
171	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x02 U0.8 */
172	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x16 U0.8 */
173	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x2a U2.6 */
174	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x3e U2.6 */
175	uint8_t hybrid_factor[NUM_AGGR_LEVEL];				/* 0x52 U0.8 */
176	uint8_t contrast_factor[NUM_AGGR_LEVEL];			/* 0x56 U0.8 */
177	uint8_t deviation_gain[NUM_AGGR_LEVEL];				/* 0x5a U0.8 */
178	uint8_t iir_curve[NUM_AMBI_LEVEL];				/* 0x5e U0.8 */
179	uint8_t min_knee[NUM_AGGR_LEVEL];				/* 0x63 U0.8 */
180	uint8_t max_knee[NUM_AGGR_LEVEL];				/* 0x67 U0.8 */
181	uint16_t min_abm_backlight;					/* 0x6b U16  */
182	uint8_t pad[19];						/* 0x6d U0.8 */
183
184	/* parameters for crgb conversion */
185	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];			/* 0x80 U3.13 */
186	uint16_t crgb_offset[NUM_POWER_FN_SEGS];			/* 0x90 U1.15 */
187	uint16_t crgb_slope[NUM_POWER_FN_SEGS];				/* 0xa0 U4.12 */
188
189	/* parameters for custom curve */
190	/* thresholds for brightness --> backlight */
191	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];		/* 0xb0 U16.0 */
192	/* offsets for brightness --> backlight */
193	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];			/* 0xd0 U16.0 */
194
195	/* For reading PSR State directly from IRAM */
196	uint8_t psr_state;						/* 0xf0       */
197	uint8_t dmcu_mcp_interface_version;				/* 0xf1       */
198	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
199	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
200	uint16_t dmcu_version;						/* 0xf4       */
201	uint8_t dmcu_state;						/* 0xf6       */
202
203	uint8_t dummy1;							/* 0xf7       */
204	uint8_t dummy2;							/* 0xf8       */
205	uint8_t dummy3;							/* 0xf9       */
206	uint8_t dummy4;							/* 0xfa       */
207	uint8_t dummy5;							/* 0xfb       */
208	uint8_t dummy6;							/* 0xfc       */
209	uint8_t dummy7;							/* 0xfd       */
210	uint8_t dummy8;							/* 0xfe       */
211	uint8_t dummy9;							/* 0xff       */
212};
213#pragma pack(pop)
214
215static void fill_backlight_transform_table(struct dmcu_iram_parameters params,
216		struct iram_table_v_2 *table)
217{
218	unsigned int i;
219	unsigned int num_entries = NUM_BL_CURVE_SEGS;
220	unsigned int lut_index;
221
222	table->backlight_thresholds[0] = 0;
223	table->backlight_offsets[0] = params.backlight_lut_array[0];
224	table->backlight_thresholds[num_entries-1] = 0xFFFF;
225	table->backlight_offsets[num_entries-1] =
226		params.backlight_lut_array[params.backlight_lut_array_size - 1];
227
228	/* Setup all brightness levels between 0% and 100% exclusive
229	 * Fills brightness-to-backlight transform table. Backlight custom curve
230	 * describes transform from brightness to backlight. It will be defined
231	 * as set of thresholds and set of offsets, together, implying
232	 * extrapolation of custom curve into 16 uniformly spanned linear
233	 * segments.  Each threshold/offset represented by 16 bit entry in
234	 * format U4.10.
235	 */
236	for (i = 1; i+1 < num_entries; i++) {
237		lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
238		ASSERT(lut_index < params.backlight_lut_array_size);
239
240		table->backlight_thresholds[i] =
241			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries));
242		table->backlight_offsets[i] =
243			cpu_to_be16(params.backlight_lut_array[lut_index]);
244	}
245}
246
247static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params,
248		struct iram_table_v_2_2 *table, bool big_endian)
249{
250	unsigned int i;
251	unsigned int num_entries = NUM_BL_CURVE_SEGS;
252	unsigned int lut_index;
253
254	table->backlight_thresholds[0] = 0;
255	table->backlight_offsets[0] = params.backlight_lut_array[0];
256	table->backlight_thresholds[num_entries-1] = 0xFFFF;
257	table->backlight_offsets[num_entries-1] =
258		params.backlight_lut_array[params.backlight_lut_array_size - 1];
259
260	/* Setup all brightness levels between 0% and 100% exclusive
261	 * Fills brightness-to-backlight transform table. Backlight custom curve
262	 * describes transform from brightness to backlight. It will be defined
263	 * as set of thresholds and set of offsets, together, implying
264	 * extrapolation of custom curve into 16 uniformly spanned linear
265	 * segments.  Each threshold/offset represented by 16 bit entry in
266	 * format U4.10.
267	 */
268	for (i = 1; i+1 < num_entries; i++) {
269		lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries);
270		ASSERT(lut_index < params.backlight_lut_array_size);
271
272		table->backlight_thresholds[i] = (big_endian) ?
273			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) :
274			cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries));
275		table->backlight_offsets[i] = (big_endian) ?
276			cpu_to_be16(params.backlight_lut_array[lut_index]) :
277			cpu_to_le16(params.backlight_lut_array[lut_index]);
278	}
279}
280
281static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params)
282{
283	unsigned int set = params.set;
284
285	ram_table->min_abm_backlight =
286			cpu_to_be16(params.min_abm_backlight);
287	ram_table->deviation_gain = 0xb3;
288
289	ram_table->blRampReduction =
290		cpu_to_be16(params.backlight_ramping_reduction);
291	ram_table->blRampStart =
292		cpu_to_be16(params.backlight_ramping_start);
293
294	ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]];
295	ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]];
296	ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]];
297	ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]];
298	ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]];
299	ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]];
300	ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]];
301	ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]];
302	ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]];
303	ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]];
304
305	ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]];
306	ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]];
307	ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]];
308	ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]];
309	ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]];
310	ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]];
311	ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]];
312	ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]];
313	ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]];
314	ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]];
315
316	ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]];
317	ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]];
318	ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]];
319	ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]];
320	ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]];
321	ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]];
322	ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]];
323	ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]];
324	ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]];
325	ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]];
326
327	ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]];
328	ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]];
329	ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]];
330	ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]];
331	ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]];
332	ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]];
333	ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]];
334	ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]];
335	ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]];
336	ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]];
337
338	ram_table->bright_pos_gain[0][0] = 0x20;
339	ram_table->bright_pos_gain[0][1] = 0x20;
340	ram_table->bright_pos_gain[0][2] = 0x20;
341	ram_table->bright_pos_gain[0][3] = 0x20;
342	ram_table->bright_pos_gain[1][0] = 0x20;
343	ram_table->bright_pos_gain[1][1] = 0x20;
344	ram_table->bright_pos_gain[1][2] = 0x20;
345	ram_table->bright_pos_gain[1][3] = 0x20;
346	ram_table->bright_pos_gain[2][0] = 0x20;
347	ram_table->bright_pos_gain[2][1] = 0x20;
348	ram_table->bright_pos_gain[2][2] = 0x20;
349	ram_table->bright_pos_gain[2][3] = 0x20;
350	ram_table->bright_pos_gain[3][0] = 0x20;
351	ram_table->bright_pos_gain[3][1] = 0x20;
352	ram_table->bright_pos_gain[3][2] = 0x20;
353	ram_table->bright_pos_gain[3][3] = 0x20;
354	ram_table->bright_pos_gain[4][0] = 0x20;
355	ram_table->bright_pos_gain[4][1] = 0x20;
356	ram_table->bright_pos_gain[4][2] = 0x20;
357	ram_table->bright_pos_gain[4][3] = 0x20;
358	ram_table->bright_neg_gain[0][0] = 0x00;
359	ram_table->bright_neg_gain[0][1] = 0x00;
360	ram_table->bright_neg_gain[0][2] = 0x00;
361	ram_table->bright_neg_gain[0][3] = 0x00;
362	ram_table->bright_neg_gain[1][0] = 0x00;
363	ram_table->bright_neg_gain[1][1] = 0x00;
364	ram_table->bright_neg_gain[1][2] = 0x00;
365	ram_table->bright_neg_gain[1][3] = 0x00;
366	ram_table->bright_neg_gain[2][0] = 0x00;
367	ram_table->bright_neg_gain[2][1] = 0x00;
368	ram_table->bright_neg_gain[2][2] = 0x00;
369	ram_table->bright_neg_gain[2][3] = 0x00;
370	ram_table->bright_neg_gain[3][0] = 0x00;
371	ram_table->bright_neg_gain[3][1] = 0x00;
372	ram_table->bright_neg_gain[3][2] = 0x00;
373	ram_table->bright_neg_gain[3][3] = 0x00;
374	ram_table->bright_neg_gain[4][0] = 0x00;
375	ram_table->bright_neg_gain[4][1] = 0x00;
376	ram_table->bright_neg_gain[4][2] = 0x00;
377	ram_table->bright_neg_gain[4][3] = 0x00;
378	ram_table->dark_pos_gain[0][0] = 0x00;
379	ram_table->dark_pos_gain[0][1] = 0x00;
380	ram_table->dark_pos_gain[0][2] = 0x00;
381	ram_table->dark_pos_gain[0][3] = 0x00;
382	ram_table->dark_pos_gain[1][0] = 0x00;
383	ram_table->dark_pos_gain[1][1] = 0x00;
384	ram_table->dark_pos_gain[1][2] = 0x00;
385	ram_table->dark_pos_gain[1][3] = 0x00;
386	ram_table->dark_pos_gain[2][0] = 0x00;
387	ram_table->dark_pos_gain[2][1] = 0x00;
388	ram_table->dark_pos_gain[2][2] = 0x00;
389	ram_table->dark_pos_gain[2][3] = 0x00;
390	ram_table->dark_pos_gain[3][0] = 0x00;
391	ram_table->dark_pos_gain[3][1] = 0x00;
392	ram_table->dark_pos_gain[3][2] = 0x00;
393	ram_table->dark_pos_gain[3][3] = 0x00;
394	ram_table->dark_pos_gain[4][0] = 0x00;
395	ram_table->dark_pos_gain[4][1] = 0x00;
396	ram_table->dark_pos_gain[4][2] = 0x00;
397	ram_table->dark_pos_gain[4][3] = 0x00;
398	ram_table->dark_neg_gain[0][0] = 0x00;
399	ram_table->dark_neg_gain[0][1] = 0x00;
400	ram_table->dark_neg_gain[0][2] = 0x00;
401	ram_table->dark_neg_gain[0][3] = 0x00;
402	ram_table->dark_neg_gain[1][0] = 0x00;
403	ram_table->dark_neg_gain[1][1] = 0x00;
404	ram_table->dark_neg_gain[1][2] = 0x00;
405	ram_table->dark_neg_gain[1][3] = 0x00;
406	ram_table->dark_neg_gain[2][0] = 0x00;
407	ram_table->dark_neg_gain[2][1] = 0x00;
408	ram_table->dark_neg_gain[2][2] = 0x00;
409	ram_table->dark_neg_gain[2][3] = 0x00;
410	ram_table->dark_neg_gain[3][0] = 0x00;
411	ram_table->dark_neg_gain[3][1] = 0x00;
412	ram_table->dark_neg_gain[3][2] = 0x00;
413	ram_table->dark_neg_gain[3][3] = 0x00;
414	ram_table->dark_neg_gain[4][0] = 0x00;
415	ram_table->dark_neg_gain[4][1] = 0x00;
416	ram_table->dark_neg_gain[4][2] = 0x00;
417	ram_table->dark_neg_gain[4][3] = 0x00;
418
419	ram_table->iir_curve[0] = 0x65;
420	ram_table->iir_curve[1] = 0x65;
421	ram_table->iir_curve[2] = 0x65;
422	ram_table->iir_curve[3] = 0x65;
423	ram_table->iir_curve[4] = 0x65;
424
425	//Gamma 2.4
426	ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6);
427	ram_table->crgb_thresh[1] = cpu_to_be16(0x1648);
428	ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3);
429	ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41);
430	ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46);
431	ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21);
432	ram_table->crgb_thresh[6] = cpu_to_be16(0x2167);
433	ram_table->crgb_thresh[7] = cpu_to_be16(0x2384);
434	ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
435	ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
436	ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
437	ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
438	ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
439	ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
440	ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
441	ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
442	ram_table->crgb_slope[0]  = cpu_to_be16(0x3147);
443	ram_table->crgb_slope[1]  = cpu_to_be16(0x2978);
444	ram_table->crgb_slope[2]  = cpu_to_be16(0x23a2);
445	ram_table->crgb_slope[3]  = cpu_to_be16(0x1f55);
446	ram_table->crgb_slope[4]  = cpu_to_be16(0x1c63);
447	ram_table->crgb_slope[5]  = cpu_to_be16(0x1a0f);
448	ram_table->crgb_slope[6]  = cpu_to_be16(0x178d);
449	ram_table->crgb_slope[7]  = cpu_to_be16(0x15ab);
450
451	fill_backlight_transform_table(
452			params, ram_table);
453}
454
455static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params)
456{
457	unsigned int set = params.set;
458
459	ram_table->flags = 0x0;
460
461	ram_table->min_abm_backlight =
462			cpu_to_be16(params.min_abm_backlight);
463
464	ram_table->deviation_gain[0] = 0xb3;
465	ram_table->deviation_gain[1] = 0xa8;
466	ram_table->deviation_gain[2] = 0x98;
467	ram_table->deviation_gain[3] = 0x68;
468
469	ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]];
470	ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]];
471	ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]];
472	ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]];
473	ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]];
474	ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]];
475	ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]];
476	ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]];
477	ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]];
478	ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]];
479
480	ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]];
481	ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]];
482	ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]];
483	ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]];
484	ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]];
485	ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]];
486	ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]];
487	ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]];
488	ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]];
489	ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]];
490
491	ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]];
492	ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]];
493	ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]];
494	ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]];
495	ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]];
496	ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]];
497	ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]];
498	ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]];
499	ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]];
500	ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]];
501
502	ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]];
503	ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]];
504	ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]];
505	ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]];
506	ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]];
507	ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]];
508	ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]];
509	ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]];
510	ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]];
511	ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]];
512
513	ram_table->bright_pos_gain[0][0] = 0x20;
514	ram_table->bright_pos_gain[0][1] = 0x20;
515	ram_table->bright_pos_gain[0][2] = 0x20;
516	ram_table->bright_pos_gain[0][3] = 0x20;
517	ram_table->bright_pos_gain[1][0] = 0x20;
518	ram_table->bright_pos_gain[1][1] = 0x20;
519	ram_table->bright_pos_gain[1][2] = 0x20;
520	ram_table->bright_pos_gain[1][3] = 0x20;
521	ram_table->bright_pos_gain[2][0] = 0x20;
522	ram_table->bright_pos_gain[2][1] = 0x20;
523	ram_table->bright_pos_gain[2][2] = 0x20;
524	ram_table->bright_pos_gain[2][3] = 0x20;
525	ram_table->bright_pos_gain[3][0] = 0x20;
526	ram_table->bright_pos_gain[3][1] = 0x20;
527	ram_table->bright_pos_gain[3][2] = 0x20;
528	ram_table->bright_pos_gain[3][3] = 0x20;
529	ram_table->bright_pos_gain[4][0] = 0x20;
530	ram_table->bright_pos_gain[4][1] = 0x20;
531	ram_table->bright_pos_gain[4][2] = 0x20;
532	ram_table->bright_pos_gain[4][3] = 0x20;
533
534	ram_table->dark_pos_gain[0][0] = 0x00;
535	ram_table->dark_pos_gain[0][1] = 0x00;
536	ram_table->dark_pos_gain[0][2] = 0x00;
537	ram_table->dark_pos_gain[0][3] = 0x00;
538	ram_table->dark_pos_gain[1][0] = 0x00;
539	ram_table->dark_pos_gain[1][1] = 0x00;
540	ram_table->dark_pos_gain[1][2] = 0x00;
541	ram_table->dark_pos_gain[1][3] = 0x00;
542	ram_table->dark_pos_gain[2][0] = 0x00;
543	ram_table->dark_pos_gain[2][1] = 0x00;
544	ram_table->dark_pos_gain[2][2] = 0x00;
545	ram_table->dark_pos_gain[2][3] = 0x00;
546	ram_table->dark_pos_gain[3][0] = 0x00;
547	ram_table->dark_pos_gain[3][1] = 0x00;
548	ram_table->dark_pos_gain[3][2] = 0x00;
549	ram_table->dark_pos_gain[3][3] = 0x00;
550	ram_table->dark_pos_gain[4][0] = 0x00;
551	ram_table->dark_pos_gain[4][1] = 0x00;
552	ram_table->dark_pos_gain[4][2] = 0x00;
553	ram_table->dark_pos_gain[4][3] = 0x00;
554
555	ram_table->hybrid_factor[0] = 0xff;
556	ram_table->hybrid_factor[1] = 0xff;
557	ram_table->hybrid_factor[2] = 0xff;
558	ram_table->hybrid_factor[3] = 0xc0;
559
560	ram_table->contrast_factor[0] = 0x99;
561	ram_table->contrast_factor[1] = 0x99;
562	ram_table->contrast_factor[2] = 0x90;
563	ram_table->contrast_factor[3] = 0x80;
564
565	ram_table->iir_curve[0] = 0x65;
566	ram_table->iir_curve[1] = 0x65;
567	ram_table->iir_curve[2] = 0x65;
568	ram_table->iir_curve[3] = 0x65;
569	ram_table->iir_curve[4] = 0x65;
570
571	//Gamma 2.2
572	ram_table->crgb_thresh[0] = cpu_to_be16(0x127c);
573	ram_table->crgb_thresh[1] = cpu_to_be16(0x151b);
574	ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5);
575	ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56);
576	ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83);
577	ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72);
578	ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0);
579	ram_table->crgb_thresh[7] = cpu_to_be16(0x232b);
580	ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
581	ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
582	ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
583	ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
584	ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
585	ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
586	ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
587	ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
588	ram_table->crgb_slope[0]  = cpu_to_be16(0x3609);
589	ram_table->crgb_slope[1]  = cpu_to_be16(0x2dfa);
590	ram_table->crgb_slope[2]  = cpu_to_be16(0x27ea);
591	ram_table->crgb_slope[3]  = cpu_to_be16(0x235d);
592	ram_table->crgb_slope[4]  = cpu_to_be16(0x2042);
593	ram_table->crgb_slope[5]  = cpu_to_be16(0x1dc3);
594	ram_table->crgb_slope[6]  = cpu_to_be16(0x1b1a);
595	ram_table->crgb_slope[7]  = cpu_to_be16(0x1910);
596
597	fill_backlight_transform_table_v_2_2(
598			params, ram_table, true);
599}
600
601static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian)
602{
603	unsigned int i, j;
604	unsigned int set = params.set;
605
606	ram_table->flags = 0x0;
607	ram_table->min_abm_backlight = (big_endian) ?
608		cpu_to_be16(params.min_abm_backlight) :
609		cpu_to_le16(params.min_abm_backlight);
610
611	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
612		ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain;
613		ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor;
614		ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain;
615		ram_table->min_knee[i] = abm_settings[set][i].min_knee;
616		ram_table->max_knee[i] = abm_settings[set][i].max_knee;
617
618		for (j = 0; j < NUM_AMBI_LEVEL; j++) {
619			ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction;
620			ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction;
621			ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain;
622			ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain;
623		}
624	}
625
626	ram_table->iir_curve[0] = 0x65;
627	ram_table->iir_curve[1] = 0x65;
628	ram_table->iir_curve[2] = 0x65;
629	ram_table->iir_curve[3] = 0x65;
630	ram_table->iir_curve[4] = 0x65;
631
632	//Gamma 2.2
633	ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c);
634	ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b);
635	ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5);
636	ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56);
637	ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83);
638	ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72);
639	ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0);
640	ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b);
641	ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999);
642	ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999);
643	ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666);
644	ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999);
645	ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333);
646	ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800);
647	ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00);
648	ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000);
649	ram_table->crgb_slope[0]  = bswap16_based_on_endian(big_endian, 0x3609);
650	ram_table->crgb_slope[1]  = bswap16_based_on_endian(big_endian, 0x2dfa);
651	ram_table->crgb_slope[2]  = bswap16_based_on_endian(big_endian, 0x27ea);
652	ram_table->crgb_slope[3]  = bswap16_based_on_endian(big_endian, 0x235d);
653	ram_table->crgb_slope[4]  = bswap16_based_on_endian(big_endian, 0x2042);
654	ram_table->crgb_slope[5]  = bswap16_based_on_endian(big_endian, 0x1dc3);
655	ram_table->crgb_slope[6]  = bswap16_based_on_endian(big_endian, 0x1b1a);
656	ram_table->crgb_slope[7]  = bswap16_based_on_endian(big_endian, 0x1910);
657
658	fill_backlight_transform_table_v_2_2(
659			params, ram_table, big_endian);
660}
661
662bool dmub_init_abm_config(struct resource_pool *res_pool,
663	struct dmcu_iram_parameters params,
664	unsigned int inst)
665{
666	struct iram_table_v_2_2 ram_table;
667	struct abm_config_table config;
668	unsigned int set = params.set;
669	bool result = false;
670	uint32_t i, j = 0;
671
672#if defined(CONFIG_DRM_AMD_DC_DCN)
673	if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL)
674		return false;
675#else
676	if (res_pool->abm == NULL)
677		return false;
678#endif
679
680	memset(&ram_table, 0, sizeof(ram_table));
681	memset(&config, 0, sizeof(config));
682
683	fill_iram_v_2_3(&ram_table, params, false);
684
685	// We must copy to structure that is aligned to 32-bit
686	for (i = 0; i < NUM_POWER_FN_SEGS; i++) {
687		config.crgb_thresh[i] = ram_table.crgb_thresh[i];
688		config.crgb_offset[i] = ram_table.crgb_offset[i];
689		config.crgb_slope[i] = ram_table.crgb_slope[i];
690	}
691
692	for (i = 0; i < NUM_BL_CURVE_SEGS; i++) {
693		config.backlight_thresholds[i] = ram_table.backlight_thresholds[i];
694		config.backlight_offsets[i] = ram_table.backlight_offsets[i];
695	}
696
697	for (i = 0; i < NUM_AMBI_LEVEL; i++)
698		config.iir_curve[i] = ram_table.iir_curve[i];
699
700	for (i = 0; i < NUM_AMBI_LEVEL; i++) {
701		for (j = 0; j < NUM_AGGR_LEVEL; j++) {
702			config.min_reduction[i][j] = ram_table.min_reduction[i][j];
703			config.max_reduction[i][j] = ram_table.max_reduction[i][j];
704			config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j];
705			config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j];
706		}
707	}
708
709	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
710		config.hybrid_factor[i] = ram_table.hybrid_factor[i];
711		config.contrast_factor[i] = ram_table.contrast_factor[i];
712		config.deviation_gain[i] = ram_table.deviation_gain[i];
713		config.min_knee[i] = ram_table.min_knee[i];
714		config.max_knee[i] = ram_table.max_knee[i];
715	}
716
717	if (params.backlight_ramping_override) {
718		for (i = 0; i < NUM_AGGR_LEVEL; i++) {
719			config.blRampReduction[i] = params.backlight_ramping_reduction;
720			config.blRampStart[i] = params.backlight_ramping_start;
721			}
722		} else {
723			for (i = 0; i < NUM_AGGR_LEVEL; i++) {
724				config.blRampReduction[i] = abm_settings[set][i].blRampReduction;
725				config.blRampStart[i] = abm_settings[set][i].blRampStart;
726				}
727			}
728
729	config.min_abm_backlight = ram_table.min_abm_backlight;
730
731#if defined(CONFIG_DRM_AMD_DC_DCN)
732	if (res_pool->multiple_abms[inst]) {
733		result = res_pool->multiple_abms[inst]->funcs->init_abm_config(
734			res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst);
735	} else
736#endif
737		result = res_pool->abm->funcs->init_abm_config(
738			res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0);
739
740	return result;
741}
742
743bool dmcu_load_iram(struct dmcu *dmcu,
744	struct dmcu_iram_parameters params)
745{
746	unsigned char ram_table[IRAM_SIZE];
747	bool result = false;
748
749	if (dmcu == NULL)
750		return false;
751
752	if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu))
753		return true;
754
755	memset(&ram_table, 0, sizeof(ram_table));
756
757	if (dmcu->dmcu_version.abm_version == 0x24) {
758		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
759			result = dmcu->funcs->load_iram(
760					dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
761	} else if (dmcu->dmcu_version.abm_version == 0x23) {
762		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
763
764		result = dmcu->funcs->load_iram(
765				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
766	} else if (dmcu->dmcu_version.abm_version == 0x22) {
767		fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params);
768
769		result = dmcu->funcs->load_iram(
770				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
771	} else {
772		fill_iram_v_2((struct iram_table_v_2 *)ram_table, params);
773
774		result = dmcu->funcs->load_iram(
775				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2);
776
777		if (result)
778			result = dmcu->funcs->load_iram(
779					dmcu, IRAM_RESERVE_AREA_END_V2 + 1,
780					(char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1,
781					sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1);
782	}
783
784	return result;
785}
786
787