1 /*
2 * Copyright 2012-17 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
27 #include "reg_helper.h"
28 #include "resource.h"
29 #include "dwb.h"
30 #include "dcn20_dwb.h"
31
32
33 #define REG(reg)\
34 dwbc20->dwbc_regs->reg
35
36 #define CTX \
37 dwbc20->base.ctx
38
39 #define DC_LOGGER \
40 dwbc20->base.ctx->logger
41 #undef FN
42 #define FN(reg_name, field_name) \
43 dwbc20->dwbc_shift->field_name, dwbc20->dwbc_mask->field_name
44
45 enum dwb_outside_pix_strategy {
46 DWB_OUTSIDE_PIX_STRATEGY_BLACK = 0,
47 DWB_OUTSIDE_PIX_STRATEGY_EDGE = 1
48 };
49
dwb2_get_caps(struct dwbc * dwbc,struct dwb_caps * caps)50 static bool dwb2_get_caps(struct dwbc *dwbc, struct dwb_caps *caps)
51 {
52 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
53 if (caps) {
54 caps->adapter_id = 0; /* we only support 1 adapter currently */
55 caps->hw_version = DCN_VERSION_2_0;
56 caps->num_pipes = 1;
57 memset(&caps->reserved, 0, sizeof(caps->reserved));
58 memset(&caps->reserved2, 0, sizeof(caps->reserved2));
59 caps->sw_version = dwb_ver_1_0;
60 caps->caps.support_dwb = true;
61 caps->caps.support_ogam = false;
62 caps->caps.support_wbscl = false;
63 caps->caps.support_ocsc = false;
64 DC_LOG_DWB("%s SUPPORTED! inst = %d", __func__, dwbc20->base.inst);
65 return true;
66 } else {
67 DC_LOG_DWB("%s NOT SUPPORTED! inst = %d", __func__, dwbc20->base.inst);
68 return false;
69 }
70 }
71
dwb2_config_dwb_cnv(struct dwbc * dwbc,struct dc_dwb_params * params)72 void dwb2_config_dwb_cnv(struct dwbc *dwbc, struct dc_dwb_params *params)
73 {
74 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
75 DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
76
77 /* Set DWB source size */
78 REG_UPDATE_2(CNV_SOURCE_SIZE, CNV_SOURCE_WIDTH, params->cnv_params.src_width,
79 CNV_SOURCE_HEIGHT, params->cnv_params.src_height);
80
81 /* source size is not equal the source size, then enable cropping. */
82 if (params->cnv_params.crop_en) {
83 REG_UPDATE(CNV_MODE, CNV_WINDOW_CROP_EN, 1);
84 REG_UPDATE(CNV_WINDOW_START, CNV_WINDOW_START_X, params->cnv_params.crop_x);
85 REG_UPDATE(CNV_WINDOW_START, CNV_WINDOW_START_Y, params->cnv_params.crop_y);
86 REG_UPDATE(CNV_WINDOW_SIZE, CNV_WINDOW_WIDTH, params->cnv_params.crop_width);
87 REG_UPDATE(CNV_WINDOW_SIZE, CNV_WINDOW_HEIGHT, params->cnv_params.crop_height);
88 } else {
89 REG_UPDATE(CNV_MODE, CNV_WINDOW_CROP_EN, 0);
90 }
91
92 /* Set CAPTURE_RATE */
93 REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_RATE, params->capture_rate);
94
95 /* Set CNV output pixel depth */
96 REG_UPDATE(CNV_MODE, CNV_OUT_BPC, params->cnv_params.cnv_out_bpc);
97 }
98
dwb2_enable(struct dwbc * dwbc,struct dc_dwb_params * params)99 static bool dwb2_enable(struct dwbc *dwbc, struct dc_dwb_params *params)
100 {
101 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
102
103 /* Only chroma scaling (sub-sampling) is supported in DCN2 */
104 if ((params->cnv_params.src_width != params->dest_width) ||
105 (params->cnv_params.src_height != params->dest_height)) {
106
107 DC_LOG_DWB("%s inst = %d, FAILED!LUMA SCALING NOT SUPPORTED", __func__, dwbc20->base.inst);
108 return false;
109 }
110 DC_LOG_DWB("%s inst = %d, ENABLED", __func__, dwbc20->base.inst);
111
112 /* disable power gating */
113 //REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 1,
114 // DISPCLK_G_WB_GATE_DIS, 1, DISPCLK_G_WBSCL_GATE_DIS, 1,
115 // WB_LB_LS_DIS, 1, WB_LUT_LS_DIS, 1);
116
117 /* Set WB_ENABLE (not double buffered; capture not enabled) */
118 REG_UPDATE(WB_ENABLE, WB_ENABLE, 1);
119
120 /* Set CNV parameters */
121 dwb2_config_dwb_cnv(dwbc, params);
122
123 /* Set scaling parameters */
124 dwb2_set_scaler(dwbc, params);
125
126 /* Enable DWB capture enable (double buffered) */
127 REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_ENABLE);
128
129 // disable warmup
130 REG_UPDATE(WB_WARM_UP_MODE_CTL1, GMC_WARM_UP_ENABLE, 0);
131
132 return true;
133 }
134
dwb2_disable(struct dwbc * dwbc)135 bool dwb2_disable(struct dwbc *dwbc)
136 {
137 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
138 DC_LOG_DWB("%s inst = %d, Disabled", __func__, dwbc20->base.inst);
139
140 /* disable CNV */
141 REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_DISABLE);
142
143 /* disable WB */
144 REG_UPDATE(WB_ENABLE, WB_ENABLE, 0);
145
146 /* soft reset */
147 REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 1);
148 REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 0);
149
150 /* enable power gating */
151 //REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 0,
152 // DISPCLK_G_WB_GATE_DIS, 0, DISPCLK_G_WBSCL_GATE_DIS, 0,
153 // WB_LB_LS_DIS, 0, WB_LUT_LS_DIS, 0);
154
155 return true;
156 }
157
dwb2_update(struct dwbc * dwbc,struct dc_dwb_params * params)158 static bool dwb2_update(struct dwbc *dwbc, struct dc_dwb_params *params)
159 {
160 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
161 unsigned int pre_locked;
162
163 /* Only chroma scaling (sub-sampling) is supported in DCN2 */
164 if ((params->cnv_params.src_width != params->dest_width) ||
165 (params->cnv_params.src_height != params->dest_height)) {
166 DC_LOG_DWB("%s inst = %d, FAILED!LUMA SCALING NOT SUPPORTED", __func__, dwbc20->base.inst);
167 return false;
168 }
169 DC_LOG_DWB("%s inst = %d, scaling", __func__, dwbc20->base.inst);
170
171 /*
172 * Check if the caller has already locked CNV registers.
173 * If so: assume the caller will unlock, so don't touch the lock.
174 * If not: lock them for this update, then unlock after the
175 * update is complete.
176 */
177 REG_GET(CNV_UPDATE, CNV_UPDATE_LOCK, &pre_locked);
178
179 if (pre_locked == 0) {
180 /* Lock DWB registers */
181 REG_UPDATE(CNV_UPDATE, CNV_UPDATE_LOCK, 1);
182 }
183
184 /* Set CNV parameters */
185 dwb2_config_dwb_cnv(dwbc, params);
186
187 /* Set scaling parameters */
188 dwb2_set_scaler(dwbc, params);
189
190 if (pre_locked == 0) {
191 /* Unlock DWB registers */
192 REG_UPDATE(CNV_UPDATE, CNV_UPDATE_LOCK, 0);
193 }
194
195 return true;
196 }
197
dwb2_is_enabled(struct dwbc * dwbc)198 bool dwb2_is_enabled(struct dwbc *dwbc)
199 {
200 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
201 unsigned int wb_enabled = 0;
202 unsigned int cnv_frame_capture_en = 0;
203
204 REG_GET(WB_ENABLE, WB_ENABLE, &wb_enabled);
205 REG_GET(CNV_MODE, CNV_FRAME_CAPTURE_EN, &cnv_frame_capture_en);
206
207 return ((wb_enabled != 0) && (cnv_frame_capture_en != 0));
208 }
209
dwb2_set_stereo(struct dwbc * dwbc,struct dwb_stereo_params * stereo_params)210 void dwb2_set_stereo(struct dwbc *dwbc,
211 struct dwb_stereo_params *stereo_params)
212 {
213 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
214 DC_LOG_DWB("%s inst = %d, enabled =%d", __func__,\
215 dwbc20->base.inst, stereo_params->stereo_enabled);
216
217 if (stereo_params->stereo_enabled) {
218 REG_UPDATE(CNV_MODE, CNV_STEREO_TYPE, stereo_params->stereo_type);
219 REG_UPDATE(CNV_MODE, CNV_EYE_SELECTION, stereo_params->stereo_eye_select);
220 REG_UPDATE(CNV_MODE, CNV_STEREO_POLARITY, stereo_params->stereo_polarity);
221 } else {
222 REG_UPDATE(CNV_MODE, CNV_EYE_SELECTION, 0);
223 }
224 }
225
dwb2_set_new_content(struct dwbc * dwbc,bool is_new_content)226 void dwb2_set_new_content(struct dwbc *dwbc,
227 bool is_new_content)
228 {
229 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
230 DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
231
232 REG_UPDATE(CNV_MODE, CNV_NEW_CONTENT, is_new_content);
233 }
234
dwb2_set_warmup(struct dwbc * dwbc,struct dwb_warmup_params * warmup_params)235 static void dwb2_set_warmup(struct dwbc *dwbc,
236 struct dwb_warmup_params *warmup_params)
237 {
238 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
239 DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
240
241 REG_UPDATE(WB_WARM_UP_MODE_CTL1, GMC_WARM_UP_ENABLE, warmup_params->warmup_en);
242 REG_UPDATE(WB_WARM_UP_MODE_CTL1, WIDTH_WARMUP, warmup_params->warmup_width);
243 REG_UPDATE(WB_WARM_UP_MODE_CTL1, HEIGHT_WARMUP, warmup_params->warmup_height);
244
245 REG_UPDATE(WB_WARM_UP_MODE_CTL2, DATA_VALUE_WARMUP, warmup_params->warmup_data);
246 REG_UPDATE(WB_WARM_UP_MODE_CTL2, MODE_WARMUP, warmup_params->warmup_mode);
247 REG_UPDATE(WB_WARM_UP_MODE_CTL2, DATA_DEPTH_WARMUP, warmup_params->warmup_depth);
248 }
249
dwb2_set_scaler(struct dwbc * dwbc,struct dc_dwb_params * params)250 void dwb2_set_scaler(struct dwbc *dwbc, struct dc_dwb_params *params)
251 {
252 struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
253 DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
254
255 /* Program scaling mode */
256 REG_UPDATE_2(WBSCL_MODE, WBSCL_MODE, params->out_format,
257 WBSCL_OUT_BIT_DEPTH, params->output_depth);
258
259 if (params->out_format != dwb_scaler_mode_bypass444) {
260 /* Program output size */
261 REG_UPDATE(WBSCL_DEST_SIZE, WBSCL_DEST_WIDTH, params->dest_width);
262 REG_UPDATE(WBSCL_DEST_SIZE, WBSCL_DEST_HEIGHT, params->dest_height);
263
264 /* Program round offsets */
265 REG_UPDATE(WBSCL_ROUND_OFFSET, WBSCL_ROUND_OFFSET_Y_RGB, 0x40);
266 REG_UPDATE(WBSCL_ROUND_OFFSET, WBSCL_ROUND_OFFSET_CBCR, 0x200);
267
268 /* Program clamp values */
269 REG_UPDATE(WBSCL_CLAMP_Y_RGB, WBSCL_CLAMP_UPPER_Y_RGB, 0x3fe);
270 REG_UPDATE(WBSCL_CLAMP_Y_RGB, WBSCL_CLAMP_LOWER_Y_RGB, 0x1);
271 REG_UPDATE(WBSCL_CLAMP_CBCR, WBSCL_CLAMP_UPPER_CBCR, 0x3fe);
272 REG_UPDATE(WBSCL_CLAMP_CBCR, WBSCL_CLAMP_LOWER_CBCR, 0x1);
273
274 /* Program outside pixel strategy to use edge pixels */
275 REG_UPDATE(WBSCL_OUTSIDE_PIX_STRATEGY, WBSCL_OUTSIDE_PIX_STRATEGY, DWB_OUTSIDE_PIX_STRATEGY_EDGE);
276
277 if (params->cnv_params.crop_en) {
278 /* horizontal scale */
279 dwb_program_horz_scalar(dwbc20, params->cnv_params.crop_width,
280 params->dest_width,
281 params->scaler_taps);
282
283 /* vertical scale */
284 dwb_program_vert_scalar(dwbc20, params->cnv_params.crop_height,
285 params->dest_height,
286 params->scaler_taps,
287 params->subsample_position);
288 } else {
289 /* horizontal scale */
290 dwb_program_horz_scalar(dwbc20, params->cnv_params.src_width,
291 params->dest_width,
292 params->scaler_taps);
293
294 /* vertical scale */
295 dwb_program_vert_scalar(dwbc20, params->cnv_params.src_height,
296 params->dest_height,
297 params->scaler_taps,
298 params->subsample_position);
299 }
300 }
301
302
303 if (dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL) {
304 /* Swap double buffered coefficient set */
305 uint32_t wbscl_mode = REG_READ(WBSCL_MODE);
306 bool coef_ram_current = get_reg_field_value_ex(
307 wbscl_mode, dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL_CURRENT,
308 dwbc20->dwbc_shift->WBSCL_COEF_RAM_SEL_CURRENT);
309
310 REG_UPDATE(WBSCL_MODE, WBSCL_COEF_RAM_SEL, !coef_ram_current);
311 }
312
313 }
314
315 static const struct dwbc_funcs dcn20_dwbc_funcs = {
316 .get_caps = dwb2_get_caps,
317 .enable = dwb2_enable,
318 .disable = dwb2_disable,
319 .update = dwb2_update,
320 .is_enabled = dwb2_is_enabled,
321 .set_stereo = dwb2_set_stereo,
322 .set_new_content = dwb2_set_new_content,
323 .set_warmup = dwb2_set_warmup,
324 .dwb_set_scaler = dwb2_set_scaler,
325 };
326
dcn20_dwbc_construct(struct dcn20_dwbc * dwbc20,struct dc_context * ctx,const struct dcn20_dwbc_registers * dwbc_regs,const struct dcn20_dwbc_shift * dwbc_shift,const struct dcn20_dwbc_mask * dwbc_mask,int inst)327 void dcn20_dwbc_construct(struct dcn20_dwbc *dwbc20,
328 struct dc_context *ctx,
329 const struct dcn20_dwbc_registers *dwbc_regs,
330 const struct dcn20_dwbc_shift *dwbc_shift,
331 const struct dcn20_dwbc_mask *dwbc_mask,
332 int inst)
333 {
334 dwbc20->base.ctx = ctx;
335
336 dwbc20->base.inst = inst;
337 dwbc20->base.funcs = &dcn20_dwbc_funcs;
338
339 dwbc20->dwbc_regs = dwbc_regs;
340 dwbc20->dwbc_shift = dwbc_shift;
341 dwbc20->dwbc_mask = dwbc_mask;
342 }
343
344