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 #include "dcn10_opp.h"
28 #include "reg_helper.h"
29
30 #define REG(reg) \
31 (oppn10->regs->reg)
32
33 #undef FN
34 #define FN(reg_name, field_name) \
35 oppn10->opp_shift->field_name, oppn10->opp_mask->field_name
36
37 #define CTX \
38 oppn10->base.ctx
39
40
41 /************* FORMATTER ************/
42
43 /**
44 * set_truncation
45 * 1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp
46 * 2) enable truncation
47 * 3) HW remove 12bit FMT support for DCE11 power saving reason.
48 */
opp1_set_truncation(struct dcn10_opp * oppn10,const struct bit_depth_reduction_params * params)49 static void opp1_set_truncation(
50 struct dcn10_opp *oppn10,
51 const struct bit_depth_reduction_params *params)
52 {
53 REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
54 FMT_TRUNCATE_EN, params->flags.TRUNCATE_ENABLED,
55 FMT_TRUNCATE_DEPTH, params->flags.TRUNCATE_DEPTH,
56 FMT_TRUNCATE_MODE, params->flags.TRUNCATE_MODE);
57 }
58
opp1_set_spatial_dither(struct dcn10_opp * oppn10,const struct bit_depth_reduction_params * params)59 static void opp1_set_spatial_dither(
60 struct dcn10_opp *oppn10,
61 const struct bit_depth_reduction_params *params)
62 {
63 /*Disable spatial (random) dithering*/
64 REG_UPDATE_7(FMT_BIT_DEPTH_CONTROL,
65 FMT_SPATIAL_DITHER_EN, 0,
66 FMT_SPATIAL_DITHER_MODE, 0,
67 FMT_SPATIAL_DITHER_DEPTH, 0,
68 FMT_TEMPORAL_DITHER_EN, 0,
69 FMT_HIGHPASS_RANDOM_ENABLE, 0,
70 FMT_FRAME_RANDOM_ENABLE, 0,
71 FMT_RGB_RANDOM_ENABLE, 0);
72
73
74 /* only use FRAME_COUNTER_MAX if frameRandom == 1*/
75 if (params->flags.FRAME_RANDOM == 1) {
76 if (params->flags.SPATIAL_DITHER_DEPTH == 0 || params->flags.SPATIAL_DITHER_DEPTH == 1) {
77 REG_UPDATE_2(FMT_CONTROL,
78 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 15,
79 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 2);
80 } else if (params->flags.SPATIAL_DITHER_DEPTH == 2) {
81 REG_UPDATE_2(FMT_CONTROL,
82 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 3,
83 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 1);
84 } else {
85 return;
86 }
87 } else {
88 REG_UPDATE_2(FMT_CONTROL,
89 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 0,
90 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 0);
91 }
92
93 /*Set seed for random values for
94 * spatial dithering for R,G,B channels*/
95
96 REG_SET(FMT_DITHER_RAND_R_SEED, 0,
97 FMT_RAND_R_SEED, params->r_seed_value);
98
99 REG_SET(FMT_DITHER_RAND_G_SEED, 0,
100 FMT_RAND_G_SEED, params->g_seed_value);
101
102 REG_SET(FMT_DITHER_RAND_B_SEED, 0,
103 FMT_RAND_B_SEED, params->b_seed_value);
104
105 /* FMT_OFFSET_R_Cr 31:16 0x0 Setting the zero
106 * offset for the R/Cr channel, lower 4LSB
107 * is forced to zeros. Typically set to 0
108 * RGB and 0x80000 YCbCr.
109 */
110 /* FMT_OFFSET_G_Y 31:16 0x0 Setting the zero
111 * offset for the G/Y channel, lower 4LSB is
112 * forced to zeros. Typically set to 0 RGB
113 * and 0x80000 YCbCr.
114 */
115 /* FMT_OFFSET_B_Cb 31:16 0x0 Setting the zero
116 * offset for the B/Cb channel, lower 4LSB is
117 * forced to zeros. Typically set to 0 RGB and
118 * 0x80000 YCbCr.
119 */
120
121 REG_UPDATE_6(FMT_BIT_DEPTH_CONTROL,
122 /*Enable spatial dithering*/
123 FMT_SPATIAL_DITHER_EN, params->flags.SPATIAL_DITHER_ENABLED,
124 /* Set spatial dithering mode
125 * (default is Seed patterrn AAAA...)
126 */
127 FMT_SPATIAL_DITHER_MODE, params->flags.SPATIAL_DITHER_MODE,
128 /*Set spatial dithering bit depth*/
129 FMT_SPATIAL_DITHER_DEPTH, params->flags.SPATIAL_DITHER_DEPTH,
130 /*Disable High pass filter*/
131 FMT_HIGHPASS_RANDOM_ENABLE, params->flags.HIGHPASS_RANDOM,
132 /*Reset only at startup*/
133 FMT_FRAME_RANDOM_ENABLE, params->flags.FRAME_RANDOM,
134 /*Set RGB data dithered with x^28+x^3+1*/
135 FMT_RGB_RANDOM_ENABLE, params->flags.RGB_RANDOM);
136 }
137
opp1_program_bit_depth_reduction(struct output_pixel_processor * opp,const struct bit_depth_reduction_params * params)138 void opp1_program_bit_depth_reduction(
139 struct output_pixel_processor *opp,
140 const struct bit_depth_reduction_params *params)
141 {
142 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
143
144 opp1_set_truncation(oppn10, params);
145 opp1_set_spatial_dither(oppn10, params);
146 /* TODO
147 * set_temporal_dither(oppn10, params);
148 */
149 }
150
151 /**
152 * set_pixel_encoding
153 *
154 * Set Pixel Encoding
155 * 0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly
156 * 1: YCbCr 4:2:2
157 */
opp1_set_pixel_encoding(struct dcn10_opp * oppn10,const struct clamping_and_pixel_encoding_params * params)158 static void opp1_set_pixel_encoding(
159 struct dcn10_opp *oppn10,
160 const struct clamping_and_pixel_encoding_params *params)
161 {
162 switch (params->pixel_encoding) {
163
164 case PIXEL_ENCODING_RGB:
165 case PIXEL_ENCODING_YCBCR444:
166 REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 0);
167 break;
168 case PIXEL_ENCODING_YCBCR422:
169 REG_UPDATE_3(FMT_CONTROL,
170 FMT_PIXEL_ENCODING, 1,
171 FMT_SUBSAMPLING_MODE, 2,
172 FMT_CBCR_BIT_REDUCTION_BYPASS, 0);
173 break;
174 case PIXEL_ENCODING_YCBCR420:
175 REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 2);
176 break;
177 default:
178 break;
179 }
180 }
181
182 /**
183 * Set Clamping
184 * 1) Set clamping format based on bpc - 0 for 6bpc (No clamping)
185 * 1 for 8 bpc
186 * 2 for 10 bpc
187 * 3 for 12 bpc
188 * 7 for programable
189 * 2) Enable clamp if Limited range requested
190 */
opp1_set_clamping(struct dcn10_opp * oppn10,const struct clamping_and_pixel_encoding_params * params)191 static void opp1_set_clamping(
192 struct dcn10_opp *oppn10,
193 const struct clamping_and_pixel_encoding_params *params)
194 {
195 REG_UPDATE_2(FMT_CLAMP_CNTL,
196 FMT_CLAMP_DATA_EN, 0,
197 FMT_CLAMP_COLOR_FORMAT, 0);
198
199 switch (params->clamping_level) {
200 case CLAMPING_FULL_RANGE:
201 REG_UPDATE_2(FMT_CLAMP_CNTL,
202 FMT_CLAMP_DATA_EN, 1,
203 FMT_CLAMP_COLOR_FORMAT, 0);
204 break;
205 case CLAMPING_LIMITED_RANGE_8BPC:
206 REG_UPDATE_2(FMT_CLAMP_CNTL,
207 FMT_CLAMP_DATA_EN, 1,
208 FMT_CLAMP_COLOR_FORMAT, 1);
209 break;
210 case CLAMPING_LIMITED_RANGE_10BPC:
211 REG_UPDATE_2(FMT_CLAMP_CNTL,
212 FMT_CLAMP_DATA_EN, 1,
213 FMT_CLAMP_COLOR_FORMAT, 2);
214
215 break;
216 case CLAMPING_LIMITED_RANGE_12BPC:
217 REG_UPDATE_2(FMT_CLAMP_CNTL,
218 FMT_CLAMP_DATA_EN, 1,
219 FMT_CLAMP_COLOR_FORMAT, 3);
220 break;
221 case CLAMPING_LIMITED_RANGE_PROGRAMMABLE:
222 /* TODO */
223 default:
224 break;
225 }
226
227 }
228
opp1_set_dyn_expansion(struct output_pixel_processor * opp,enum dc_color_space color_sp,enum dc_color_depth color_dpth,enum signal_type signal)229 void opp1_set_dyn_expansion(
230 struct output_pixel_processor *opp,
231 enum dc_color_space color_sp,
232 enum dc_color_depth color_dpth,
233 enum signal_type signal)
234 {
235 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
236
237 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
238 FMT_DYNAMIC_EXP_EN, 0,
239 FMT_DYNAMIC_EXP_MODE, 0);
240
241 if (opp->dyn_expansion == DYN_EXPANSION_DISABLE)
242 return;
243
244 /*00 - 10-bit -> 12-bit dynamic expansion*/
245 /*01 - 8-bit -> 12-bit dynamic expansion*/
246 if (signal == SIGNAL_TYPE_HDMI_TYPE_A ||
247 signal == SIGNAL_TYPE_DISPLAY_PORT ||
248 signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
249 signal == SIGNAL_TYPE_VIRTUAL) {
250 switch (color_dpth) {
251 case COLOR_DEPTH_888:
252 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
253 FMT_DYNAMIC_EXP_EN, 1,
254 FMT_DYNAMIC_EXP_MODE, 1);
255 break;
256 case COLOR_DEPTH_101010:
257 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
258 FMT_DYNAMIC_EXP_EN, 1,
259 FMT_DYNAMIC_EXP_MODE, 0);
260 break;
261 case COLOR_DEPTH_121212:
262 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
263 FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/
264 FMT_DYNAMIC_EXP_MODE, 0);
265 break;
266 default:
267 break;
268 }
269 }
270 }
271
opp1_program_clamping_and_pixel_encoding(struct output_pixel_processor * opp,const struct clamping_and_pixel_encoding_params * params)272 static void opp1_program_clamping_and_pixel_encoding(
273 struct output_pixel_processor *opp,
274 const struct clamping_and_pixel_encoding_params *params)
275 {
276 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
277
278 opp1_set_clamping(oppn10, params);
279 opp1_set_pixel_encoding(oppn10, params);
280 }
281
opp1_program_fmt(struct output_pixel_processor * opp,struct bit_depth_reduction_params * fmt_bit_depth,struct clamping_and_pixel_encoding_params * clamping)282 void opp1_program_fmt(
283 struct output_pixel_processor *opp,
284 struct bit_depth_reduction_params *fmt_bit_depth,
285 struct clamping_and_pixel_encoding_params *clamping)
286 {
287 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
288
289 if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420)
290 REG_UPDATE(FMT_MAP420_MEMORY_CONTROL, FMT_MAP420MEM_PWR_FORCE, 0);
291
292 /* dithering is affected by <CrtcSourceSelect>, hence should be
293 * programmed afterwards */
294 opp1_program_bit_depth_reduction(
295 opp,
296 fmt_bit_depth);
297
298 opp1_program_clamping_and_pixel_encoding(
299 opp,
300 clamping);
301
302 return;
303 }
304
opp1_program_stereo(struct output_pixel_processor * opp,bool enable,const struct dc_crtc_timing * timing)305 void opp1_program_stereo(
306 struct output_pixel_processor *opp,
307 bool enable,
308 const struct dc_crtc_timing *timing)
309 {
310 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
311
312 uint32_t active_width = timing->h_addressable - timing->h_border_right - timing->h_border_right;
313 uint32_t space1_size = timing->v_total - timing->v_addressable;
314 /* TODO: confirm computation of space2_size */
315 uint32_t space2_size = timing->v_total - timing->v_addressable;
316
317 if (!enable) {
318 active_width = 0;
319 space1_size = 0;
320 space2_size = 0;
321 }
322
323 /* TODO: for which cases should FMT_STEREOSYNC_OVERRIDE be set? */
324 REG_UPDATE(FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, 0);
325
326 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, active_width);
327
328 /* Program OPPBUF_3D_VACT_SPACE1_SIZE and OPPBUF_VACT_SPACE2_SIZE registers
329 * In 3D progressive frames, Vactive space happens only in between the 2 frames,
330 * so only need to program OPPBUF_3D_VACT_SPACE1_SIZE
331 * In 3D alternative frames, left and right frames, top and bottom field.
332 */
333 if (timing->timing_3d_format == TIMING_3D_FORMAT_FRAME_ALTERNATE)
334 REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE2_SIZE, space2_size);
335 else
336 REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE1_SIZE, space1_size);
337
338 /* TODO: Is programming of OPPBUF_DUMMY_DATA_R/G/B needed? */
339 /*
340 REG_UPDATE(OPPBUF_3D_PARAMETERS_0,
341 OPPBUF_DUMMY_DATA_R, data_r);
342 REG_UPDATE(OPPBUF_3D_PARAMETERS_1,
343 OPPBUF_DUMMY_DATA_G, data_g);
344 REG_UPDATE(OPPBUF_3D_PARAMETERS_1,
345 OPPBUF_DUMMY_DATA_B, _data_b);
346 */
347 }
348
opp1_pipe_clock_control(struct output_pixel_processor * opp,bool enable)349 void opp1_pipe_clock_control(struct output_pixel_processor *opp, bool enable)
350 {
351 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
352 uint32_t regval = enable ? 1 : 0;
353
354 REG_UPDATE(OPP_PIPE_CONTROL, OPP_PIPE_CLOCK_EN, regval);
355 }
356
357 /*****************************************/
358 /* Constructor, Destructor */
359 /*****************************************/
360
opp1_destroy(struct output_pixel_processor ** opp)361 void opp1_destroy(struct output_pixel_processor **opp)
362 {
363 kfree(TO_DCN10_OPP(*opp));
364 *opp = NULL;
365 }
366
367 static const struct opp_funcs dcn10_opp_funcs = {
368 .opp_set_dyn_expansion = opp1_set_dyn_expansion,
369 .opp_program_fmt = opp1_program_fmt,
370 .opp_program_bit_depth_reduction = opp1_program_bit_depth_reduction,
371 .opp_program_stereo = opp1_program_stereo,
372 .opp_pipe_clock_control = opp1_pipe_clock_control,
373 .opp_set_disp_pattern_generator = NULL,
374 .opp_program_dpg_dimensions = NULL,
375 .dpg_is_blanked = NULL,
376 .opp_destroy = opp1_destroy
377 };
378
dcn10_opp_construct(struct dcn10_opp * oppn10,struct dc_context * ctx,uint32_t inst,const struct dcn10_opp_registers * regs,const struct dcn10_opp_shift * opp_shift,const struct dcn10_opp_mask * opp_mask)379 void dcn10_opp_construct(struct dcn10_opp *oppn10,
380 struct dc_context *ctx,
381 uint32_t inst,
382 const struct dcn10_opp_registers *regs,
383 const struct dcn10_opp_shift *opp_shift,
384 const struct dcn10_opp_mask *opp_mask)
385 {
386
387 oppn10->base.ctx = ctx;
388 oppn10->base.inst = inst;
389 oppn10->base.funcs = &dcn10_opp_funcs;
390
391 oppn10->regs = regs;
392 oppn10->opp_shift = opp_shift;
393 oppn10->opp_mask = opp_mask;
394 }
395