2 * Copyright 2012-15 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include <linux/delay.h>
28 #include "dce110_transform_v.h"
29 #include "dm_services.h"
31 #include "dce/dce_11_0_d.h"
32 #include "dce/dce_11_0_sh_mask.h"
34 #define SCLV_PHASES 64
38 struct sclv_ratios_inits {
39 uint32_t h_int_scale_ratio_luma;
40 uint32_t h_int_scale_ratio_chroma;
41 uint32_t v_int_scale_ratio_luma;
42 uint32_t v_int_scale_ratio_chroma;
43 struct init_int_and_frac h_init_luma;
44 struct init_int_and_frac h_init_chroma;
45 struct init_int_and_frac v_init_luma;
46 struct init_int_and_frac v_init_chroma;
49 static void calculate_viewport(
50 const struct scaler_data *scl_data,
51 struct rect *luma_viewport,
52 struct rect *chroma_viewport)
54 /*Do not set chroma vp for rgb444 pixel format*/
55 luma_viewport->x = scl_data->viewport.x - scl_data->viewport.x % 2;
56 luma_viewport->y = scl_data->viewport.y - scl_data->viewport.y % 2;
57 luma_viewport->width =
58 scl_data->viewport.width - scl_data->viewport.width % 2;
59 luma_viewport->height =
60 scl_data->viewport.height - scl_data->viewport.height % 2;
61 chroma_viewport->x = luma_viewport->x;
62 chroma_viewport->y = luma_viewport->y;
63 chroma_viewport->height = luma_viewport->height;
64 chroma_viewport->width = luma_viewport->width;
66 if (scl_data->format == PIXEL_FORMAT_420BPP8) {
67 luma_viewport->height += luma_viewport->height % 2;
68 luma_viewport->width += luma_viewport->width % 2;
69 /*for 420 video chroma is 1/4 the area of luma, scaled
70 *vertically and horizontally
72 chroma_viewport->x = luma_viewport->x / 2;
73 chroma_viewport->y = luma_viewport->y / 2;
74 chroma_viewport->height = luma_viewport->height / 2;
75 chroma_viewport->width = luma_viewport->width / 2;
79 static void program_viewport(
80 struct dce_transform *xfm_dce,
81 struct rect *luma_view_port,
82 struct rect *chroma_view_port)
84 struct dc_context *ctx = xfm_dce->base.ctx;
88 if (luma_view_port->width != 0 && luma_view_port->height != 0) {
89 addr = mmSCLV_VIEWPORT_START;
101 dm_write_reg(ctx, addr, value);
103 addr = mmSCLV_VIEWPORT_SIZE;
107 luma_view_port->height,
112 luma_view_port->width,
115 dm_write_reg(ctx, addr, value);
118 if (chroma_view_port->width != 0 && chroma_view_port->height != 0) {
119 addr = mmSCLV_VIEWPORT_START_C;
124 SCLV_VIEWPORT_START_C,
129 SCLV_VIEWPORT_START_C,
131 dm_write_reg(ctx, addr, value);
133 addr = mmSCLV_VIEWPORT_SIZE_C;
137 chroma_view_port->height,
138 SCLV_VIEWPORT_SIZE_C,
142 chroma_view_port->width,
143 SCLV_VIEWPORT_SIZE_C,
145 dm_write_reg(ctx, addr, value);
151 * void setup_scaling_configuration
153 * Purpose: setup scaling mode : bypass, RGb, YCbCr and nummber of taps
159 static bool setup_scaling_configuration(
160 struct dce_transform *xfm_dce,
161 const struct scaler_data *data)
163 bool is_scaling_needed = false;
164 struct dc_context *ctx = xfm_dce->base.ctx;
167 set_reg_field_value(value, data->taps.h_taps - 1,
168 SCLV_TAP_CONTROL, SCL_H_NUM_OF_TAPS);
169 set_reg_field_value(value, data->taps.v_taps - 1,
170 SCLV_TAP_CONTROL, SCL_V_NUM_OF_TAPS);
171 set_reg_field_value(value, data->taps.h_taps_c - 1,
172 SCLV_TAP_CONTROL, SCL_H_NUM_OF_TAPS_C);
173 set_reg_field_value(value, data->taps.v_taps_c - 1,
174 SCLV_TAP_CONTROL, SCL_V_NUM_OF_TAPS_C);
175 dm_write_reg(ctx, mmSCLV_TAP_CONTROL, value);
178 if (data->taps.h_taps + data->taps.v_taps > 2) {
179 set_reg_field_value(value, 1, SCLV_MODE, SCL_MODE);
180 set_reg_field_value(value, 1, SCLV_MODE, SCL_PSCL_EN);
181 is_scaling_needed = true;
183 set_reg_field_value(value, 0, SCLV_MODE, SCL_MODE);
184 set_reg_field_value(value, 0, SCLV_MODE, SCL_PSCL_EN);
187 if (data->taps.h_taps_c + data->taps.v_taps_c > 2) {
188 set_reg_field_value(value, 1, SCLV_MODE, SCL_MODE_C);
189 set_reg_field_value(value, 1, SCLV_MODE, SCL_PSCL_EN_C);
190 is_scaling_needed = true;
191 } else if (data->format != PIXEL_FORMAT_420BPP8) {
194 get_reg_field_value(value, SCLV_MODE, SCL_MODE),
199 get_reg_field_value(value, SCLV_MODE, SCL_PSCL_EN),
203 set_reg_field_value(value, 0, SCLV_MODE, SCL_MODE_C);
204 set_reg_field_value(value, 0, SCLV_MODE, SCL_PSCL_EN_C);
206 dm_write_reg(ctx, mmSCLV_MODE, value);
210 * 0 - Replaced out of bound pixels with black pixel
211 * (or any other required color)
212 * 1 - Replaced out of bound pixels with the edge pixel
214 set_reg_field_value(value, 1, SCLV_CONTROL, SCL_BOUNDARY_MODE);
215 dm_write_reg(ctx, mmSCLV_CONTROL, value);
217 return is_scaling_needed;
222 * void program_overscan
224 * Purpose: Programs overscan border
230 static void program_overscan(
231 struct dce_transform *xfm_dce,
232 const struct scaler_data *data)
234 uint32_t overscan_left_right = 0;
235 uint32_t overscan_top_bottom = 0;
237 int overscan_right = data->h_active - data->recout.x - data->recout.width;
238 int overscan_bottom = data->v_active - data->recout.y - data->recout.height;
240 if (xfm_dce->base.ctx->dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
241 overscan_bottom += 2;
245 if (overscan_right < 0) {
249 if (overscan_bottom < 0) {
254 set_reg_field_value(overscan_left_right, data->recout.x,
255 EXT_OVERSCAN_LEFT_RIGHT, EXT_OVERSCAN_LEFT);
257 set_reg_field_value(overscan_left_right, overscan_right,
258 EXT_OVERSCAN_LEFT_RIGHT, EXT_OVERSCAN_RIGHT);
260 set_reg_field_value(overscan_top_bottom, data->recout.y,
261 EXT_OVERSCAN_TOP_BOTTOM, EXT_OVERSCAN_TOP);
263 set_reg_field_value(overscan_top_bottom, overscan_bottom,
264 EXT_OVERSCAN_TOP_BOTTOM, EXT_OVERSCAN_BOTTOM);
266 dm_write_reg(xfm_dce->base.ctx,
267 mmSCLV_EXT_OVERSCAN_LEFT_RIGHT,
268 overscan_left_right);
270 dm_write_reg(xfm_dce->base.ctx,
271 mmSCLV_EXT_OVERSCAN_TOP_BOTTOM,
272 overscan_top_bottom);
275 static void set_coeff_update_complete(
276 struct dce_transform *xfm_dce)
280 value = dm_read_reg(xfm_dce->base.ctx, mmSCLV_UPDATE);
281 set_reg_field_value(value, 1, SCLV_UPDATE, SCL_COEF_UPDATE_COMPLETE);
282 dm_write_reg(xfm_dce->base.ctx, mmSCLV_UPDATE, value);
285 static void program_multi_taps_filter(
286 struct dce_transform *xfm_dce,
288 const uint16_t *coeffs,
289 enum ram_filter_type filter_type)
291 struct dc_context *ctx = xfm_dce->base.ctx;
294 int taps_pairs = (taps + 1) / 2;
295 int phases_to_program = SCLV_PHASES / 2 + 1;
298 uint32_t power_ctl, power_ctl_off;
303 /*We need to disable power gating on coeff memory to do programming*/
304 power_ctl = dm_read_reg(ctx, mmDCFEV_MEM_PWR_CTRL);
305 power_ctl_off = power_ctl;
306 set_reg_field_value(power_ctl_off, 1, DCFEV_MEM_PWR_CTRL, SCLV_COEFF_MEM_PWR_DIS);
307 dm_write_reg(ctx, mmDCFEV_MEM_PWR_CTRL, power_ctl_off);
309 /*Wait to disable gating:*/
310 for (i = 0; i < 10; i++) {
311 if (get_reg_field_value(
312 dm_read_reg(ctx, mmDCFEV_MEM_PWR_STATUS),
313 DCFEV_MEM_PWR_STATUS,
314 SCLV_COEFF_MEM_PWR_STATE) == 0)
320 set_reg_field_value(select, filter_type, SCLV_COEF_RAM_SELECT, SCL_C_RAM_FILTER_TYPE);
322 for (phase = 0; phase < phases_to_program; phase++) {
323 /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror
324 phase 0 is unique and phase N/2 is unique if N is even*/
325 set_reg_field_value(select, phase, SCLV_COEF_RAM_SELECT, SCL_C_RAM_PHASE);
326 for (pair = 0; pair < taps_pairs; pair++) {
329 set_reg_field_value(select, pair,
330 SCLV_COEF_RAM_SELECT, SCL_C_RAM_TAP_PAIR_IDX);
332 dm_write_reg(ctx, mmSCLV_COEF_RAM_SELECT, select);
336 SCLV_COEF_RAM_TAP_DATA,
337 SCL_C_RAM_EVEN_TAP_COEF_EN);
339 data, coeffs[array_idx],
340 SCLV_COEF_RAM_TAP_DATA,
341 SCL_C_RAM_EVEN_TAP_COEF);
343 if (taps % 2 && pair == taps_pairs - 1) {
346 SCLV_COEF_RAM_TAP_DATA,
347 SCL_C_RAM_ODD_TAP_COEF_EN);
352 SCLV_COEF_RAM_TAP_DATA,
353 SCL_C_RAM_ODD_TAP_COEF_EN);
355 data, coeffs[array_idx + 1],
356 SCLV_COEF_RAM_TAP_DATA,
357 SCL_C_RAM_ODD_TAP_COEF);
362 dm_write_reg(ctx, mmSCLV_COEF_RAM_TAP_DATA, data);
366 /*We need to restore power gating on coeff memory to initial state*/
367 dm_write_reg(ctx, mmDCFEV_MEM_PWR_CTRL, power_ctl);
370 static void calculate_inits(
371 struct dce_transform *xfm_dce,
372 const struct scaler_data *data,
373 struct sclv_ratios_inits *inits,
374 struct rect *luma_viewport,
375 struct rect *chroma_viewport)
377 inits->h_int_scale_ratio_luma =
378 dc_fixpt_u2d19(data->ratios.horz) << 5;
379 inits->v_int_scale_ratio_luma =
380 dc_fixpt_u2d19(data->ratios.vert) << 5;
381 inits->h_int_scale_ratio_chroma =
382 dc_fixpt_u2d19(data->ratios.horz_c) << 5;
383 inits->v_int_scale_ratio_chroma =
384 dc_fixpt_u2d19(data->ratios.vert_c) << 5;
386 inits->h_init_luma.integer = 1;
387 inits->v_init_luma.integer = 1;
388 inits->h_init_chroma.integer = 1;
389 inits->v_init_chroma.integer = 1;
392 static void program_scl_ratios_inits(
393 struct dce_transform *xfm_dce,
394 struct sclv_ratios_inits *inits)
396 struct dc_context *ctx = xfm_dce->base.ctx;
397 uint32_t addr = mmSCLV_HORZ_FILTER_SCALE_RATIO;
402 inits->h_int_scale_ratio_luma,
403 SCLV_HORZ_FILTER_SCALE_RATIO,
405 dm_write_reg(ctx, addr, value);
407 addr = mmSCLV_VERT_FILTER_SCALE_RATIO;
411 inits->v_int_scale_ratio_luma,
412 SCLV_VERT_FILTER_SCALE_RATIO,
414 dm_write_reg(ctx, addr, value);
416 addr = mmSCLV_HORZ_FILTER_SCALE_RATIO_C;
420 inits->h_int_scale_ratio_chroma,
421 SCLV_HORZ_FILTER_SCALE_RATIO_C,
422 SCL_H_SCALE_RATIO_C);
423 dm_write_reg(ctx, addr, value);
425 addr = mmSCLV_VERT_FILTER_SCALE_RATIO_C;
429 inits->v_int_scale_ratio_chroma,
430 SCLV_VERT_FILTER_SCALE_RATIO_C,
431 SCL_V_SCALE_RATIO_C);
432 dm_write_reg(ctx, addr, value);
434 addr = mmSCLV_HORZ_FILTER_INIT;
438 inits->h_init_luma.fraction,
439 SCLV_HORZ_FILTER_INIT,
443 inits->h_init_luma.integer,
444 SCLV_HORZ_FILTER_INIT,
446 dm_write_reg(ctx, addr, value);
448 addr = mmSCLV_VERT_FILTER_INIT;
452 inits->v_init_luma.fraction,
453 SCLV_VERT_FILTER_INIT,
457 inits->v_init_luma.integer,
458 SCLV_VERT_FILTER_INIT,
460 dm_write_reg(ctx, addr, value);
462 addr = mmSCLV_HORZ_FILTER_INIT_C;
466 inits->h_init_chroma.fraction,
467 SCLV_HORZ_FILTER_INIT_C,
471 inits->h_init_chroma.integer,
472 SCLV_HORZ_FILTER_INIT_C,
474 dm_write_reg(ctx, addr, value);
476 addr = mmSCLV_VERT_FILTER_INIT_C;
480 inits->v_init_chroma.fraction,
481 SCLV_VERT_FILTER_INIT_C,
485 inits->v_init_chroma.integer,
486 SCLV_VERT_FILTER_INIT_C,
488 dm_write_reg(ctx, addr, value);
491 static const uint16_t *get_filter_coeffs_64p(int taps, struct fixed31_32 ratio)
494 return get_filter_4tap_64p(ratio);
496 return get_filter_2tap_64p();
500 /* should never happen, bug */
506 static bool dce110_xfmv_power_up_line_buffer(struct transform *xfm)
508 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
511 value = dm_read_reg(xfm_dce->base.ctx, mmLBV_MEMORY_CTRL);
513 /*Use all three pieces of memory always*/
514 set_reg_field_value(value, 0, LBV_MEMORY_CTRL, LB_MEMORY_CONFIG);
515 /*hard coded number DCE11 1712(0x6B0) Partitions: 720/960/1712*/
516 set_reg_field_value(value, xfm_dce->lb_memory_size, LBV_MEMORY_CTRL,
519 dm_write_reg(xfm_dce->base.ctx, mmLBV_MEMORY_CTRL, value);
524 static void dce110_xfmv_set_scaler(
525 struct transform *xfm,
526 const struct scaler_data *data)
528 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
529 bool is_scaling_required = false;
530 bool filter_updated = false;
531 const uint16_t *coeffs_v, *coeffs_h, *coeffs_h_c, *coeffs_v_c;
532 struct rect luma_viewport = {0};
533 struct rect chroma_viewport = {0};
535 dce110_xfmv_power_up_line_buffer(xfm);
536 /* 1. Calculate viewport, viewport programming should happen after init
537 * calculations as they may require an adjustment in the viewport.
540 calculate_viewport(data, &luma_viewport, &chroma_viewport);
542 /* 2. Program overscan */
543 program_overscan(xfm_dce, data);
545 /* 3. Program taps and configuration */
546 is_scaling_required = setup_scaling_configuration(xfm_dce, data);
548 if (is_scaling_required) {
549 /* 4. Calculate and program ratio, filter initialization */
551 struct sclv_ratios_inits inits = { 0 };
560 program_scl_ratios_inits(xfm_dce, &inits);
562 coeffs_v = get_filter_coeffs_64p(data->taps.v_taps, data->ratios.vert);
563 coeffs_h = get_filter_coeffs_64p(data->taps.h_taps, data->ratios.horz);
564 coeffs_v_c = get_filter_coeffs_64p(data->taps.v_taps_c, data->ratios.vert_c);
565 coeffs_h_c = get_filter_coeffs_64p(data->taps.h_taps_c, data->ratios.horz_c);
567 if (coeffs_v != xfm_dce->filter_v
568 || coeffs_v_c != xfm_dce->filter_v_c
569 || coeffs_h != xfm_dce->filter_h
570 || coeffs_h_c != xfm_dce->filter_h_c) {
571 /* 5. Program vertical filters */
572 program_multi_taps_filter(
576 FILTER_TYPE_RGB_Y_VERTICAL);
577 program_multi_taps_filter(
581 FILTER_TYPE_CBCR_VERTICAL);
583 /* 6. Program horizontal filters */
584 program_multi_taps_filter(
588 FILTER_TYPE_RGB_Y_HORIZONTAL);
589 program_multi_taps_filter(
593 FILTER_TYPE_CBCR_HORIZONTAL);
595 xfm_dce->filter_v = coeffs_v;
596 xfm_dce->filter_v_c = coeffs_v_c;
597 xfm_dce->filter_h = coeffs_h;
598 xfm_dce->filter_h_c = coeffs_h_c;
599 filter_updated = true;
603 /* 7. Program the viewport */
604 program_viewport(xfm_dce, &luma_viewport, &chroma_viewport);
606 /* 8. Set bit to flip to new coefficient memory */
608 set_coeff_update_complete(xfm_dce);
611 static void dce110_xfmv_reset(struct transform *xfm)
613 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
615 xfm_dce->filter_h = NULL;
616 xfm_dce->filter_v = NULL;
617 xfm_dce->filter_h_c = NULL;
618 xfm_dce->filter_v_c = NULL;
621 static void dce110_xfmv_set_gamut_remap(
622 struct transform *xfm,
623 const struct xfm_grph_csc_adjustment *adjust)
628 static void dce110_xfmv_set_pixel_storage_depth(
629 struct transform *xfm,
630 enum lb_pixel_depth depth,
631 const struct bit_depth_reduction_params *bit_depth_params)
633 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
636 uint32_t reg_data = 0;
639 case LB_PIXEL_DEPTH_18BPP:
643 case LB_PIXEL_DEPTH_24BPP:
647 case LB_PIXEL_DEPTH_30BPP:
651 case LB_PIXEL_DEPTH_36BPP:
672 dm_write_reg(xfm->ctx, mmLBV_DATA_FORMAT, reg_data);
674 if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
675 /*we should use unsupported capabilities
676 * unless it is required by w/a*/
677 DC_LOG_WARNING("%s: Capability not supported",
682 static const struct transform_funcs dce110_xfmv_funcs = {
683 .transform_reset = dce110_xfmv_reset,
684 .transform_set_scaler = dce110_xfmv_set_scaler,
685 .transform_set_gamut_remap =
686 dce110_xfmv_set_gamut_remap,
687 .opp_set_csc_default = dce110_opp_v_set_csc_default,
688 .opp_set_csc_adjustment = dce110_opp_v_set_csc_adjustment,
689 .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut_v,
690 .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl_v,
691 .opp_set_regamma_mode = dce110_opp_set_regamma_mode_v,
692 .transform_set_pixel_storage_depth =
693 dce110_xfmv_set_pixel_storage_depth,
694 .transform_get_optimal_number_of_taps =
695 dce_transform_get_optimal_number_of_taps
697 /*****************************************/
698 /* Constructor, Destructor */
699 /*****************************************/
701 bool dce110_transform_v_construct(
702 struct dce_transform *xfm_dce,
703 struct dc_context *ctx)
705 xfm_dce->base.ctx = ctx;
707 xfm_dce->base.funcs = &dce110_xfmv_funcs;
709 xfm_dce->lb_pixel_depth_supported =
710 LB_PIXEL_DEPTH_18BPP |
711 LB_PIXEL_DEPTH_24BPP |
712 LB_PIXEL_DEPTH_30BPP;
714 xfm_dce->prescaler_on = true;
715 xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
716 xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/