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 "dcn20_opp.h"
28#include "reg_helper.h"
29
30#define REG(reg) \
31	(oppn20->regs->reg)
32
33#undef FN
34#define FN(reg_name, field_name) \
35	oppn20->opp_shift->field_name, oppn20->opp_mask->field_name
36
37#define CTX \
38	oppn20->base.ctx
39
40
41void opp2_set_disp_pattern_generator(
42		struct output_pixel_processor *opp,
43		enum controller_dp_test_pattern test_pattern,
44		enum controller_dp_color_space color_space,
45		enum dc_color_depth color_depth,
46		const struct tg_color *solid_color,
47		int width,
48		int height,
49		int offset)
50{
51	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
52	enum test_pattern_color_format bit_depth;
53	enum test_pattern_dyn_range dyn_range;
54	enum test_pattern_mode mode;
55
56	/* color ramp generator mixes 16-bits color */
57	uint32_t src_bpc = 16;
58	/* requested bpc */
59	uint32_t dst_bpc;
60	uint32_t index;
61	/* RGB values of the color bars.
62	 * Produce two RGB colors: RGB0 - white (all Fs)
63	 * and RGB1 - black (all 0s)
64	 * (three RGB components for two colors)
65	 */
66	uint16_t src_color[6] = {0xFFFF, 0xFFFF, 0xFFFF, 0x0000,
67						0x0000, 0x0000};
68	/* dest color (converted to the specified color format) */
69	uint16_t dst_color[6];
70	uint32_t inc_base;
71
72	/* translate to bit depth */
73	switch (color_depth) {
74	case COLOR_DEPTH_666:
75		bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_6;
76	break;
77	case COLOR_DEPTH_888:
78		bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8;
79	break;
80	case COLOR_DEPTH_101010:
81		bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_10;
82	break;
83	case COLOR_DEPTH_121212:
84		bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_12;
85	break;
86	default:
87		bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8;
88	break;
89	}
90
91	/* set DPG dimentions */
92	REG_SET_2(DPG_DIMENSIONS, 0,
93		DPG_ACTIVE_WIDTH, width,
94		DPG_ACTIVE_HEIGHT, height);
95
96	/* set DPG offset */
97	REG_SET_2(DPG_OFFSET_SEGMENT, 0,
98		DPG_X_OFFSET, offset,
99		DPG_SEGMENT_WIDTH, 0);
100
101	switch (test_pattern) {
102	case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES:
103	case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA:
104	{
105		dyn_range = (test_pattern ==
106				CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA ?
107				TEST_PATTERN_DYN_RANGE_CEA :
108				TEST_PATTERN_DYN_RANGE_VESA);
109
110		switch (color_space) {
111		case CONTROLLER_DP_COLOR_SPACE_YCBCR601:
112			mode = TEST_PATTERN_MODE_COLORSQUARES_YCBCR601;
113		break;
114		case CONTROLLER_DP_COLOR_SPACE_YCBCR709:
115			mode = TEST_PATTERN_MODE_COLORSQUARES_YCBCR709;
116		break;
117		case CONTROLLER_DP_COLOR_SPACE_RGB:
118		default:
119			mode = TEST_PATTERN_MODE_COLORSQUARES_RGB;
120		break;
121		}
122
123		REG_UPDATE_6(DPG_CONTROL,
124			DPG_EN, 1,
125			DPG_MODE, mode,
126			DPG_DYNAMIC_RANGE, dyn_range,
127			DPG_BIT_DEPTH, bit_depth,
128			DPG_VRES, 6,
129			DPG_HRES, 6);
130	}
131	break;
132
133	case CONTROLLER_DP_TEST_PATTERN_VERTICALBARS:
134	case CONTROLLER_DP_TEST_PATTERN_HORIZONTALBARS:
135	{
136		mode = (test_pattern ==
137			CONTROLLER_DP_TEST_PATTERN_VERTICALBARS ?
138			TEST_PATTERN_MODE_VERTICALBARS :
139			TEST_PATTERN_MODE_HORIZONTALBARS);
140
141		switch (bit_depth) {
142		case TEST_PATTERN_COLOR_FORMAT_BPC_6:
143			dst_bpc = 6;
144		break;
145		case TEST_PATTERN_COLOR_FORMAT_BPC_8:
146			dst_bpc = 8;
147		break;
148		case TEST_PATTERN_COLOR_FORMAT_BPC_10:
149			dst_bpc = 10;
150		break;
151		default:
152			dst_bpc = 8;
153		break;
154		}
155
156		/* adjust color to the required colorFormat */
157		for (index = 0; index < 6; index++) {
158			/* dst = 2^dstBpc * src / 2^srcBpc = src >>
159			 * (srcBpc - dstBpc);
160			 */
161			dst_color[index] =
162				src_color[index] >> (src_bpc - dst_bpc);
163		/* DPG_COLOUR registers are 16-bit MSB aligned value with bits 3:0 hardwired to ZERO.
164		 * XXXXXXXXXX000000 for 10 bit,
165		 * XXXXXXXX00000000 for 8 bit,
166		 * XXXXXX0000000000 for 6 bits
167		 */
168			dst_color[index] <<= (16 - dst_bpc);
169		}
170
171		REG_SET_2(DPG_COLOUR_R_CR, 0,
172				DPG_COLOUR1_R_CR, dst_color[0],
173				DPG_COLOUR0_R_CR, dst_color[3]);
174		REG_SET_2(DPG_COLOUR_G_Y, 0,
175				DPG_COLOUR1_G_Y, dst_color[1],
176				DPG_COLOUR0_G_Y, dst_color[4]);
177		REG_SET_2(DPG_COLOUR_B_CB, 0,
178				DPG_COLOUR1_B_CB, dst_color[2],
179				DPG_COLOUR0_B_CB, dst_color[5]);
180
181		/* enable test pattern */
182		REG_UPDATE_6(DPG_CONTROL,
183			DPG_EN, 1,
184			DPG_MODE, mode,
185			DPG_DYNAMIC_RANGE, 0,
186			DPG_BIT_DEPTH, bit_depth,
187			DPG_VRES, 0,
188			DPG_HRES, 0);
189	}
190	break;
191
192	case CONTROLLER_DP_TEST_PATTERN_COLORRAMP:
193	{
194		mode = (bit_depth ==
195			TEST_PATTERN_COLOR_FORMAT_BPC_10 ?
196			TEST_PATTERN_MODE_DUALRAMP_RGB :
197			TEST_PATTERN_MODE_SINGLERAMP_RGB);
198
199		switch (bit_depth) {
200		case TEST_PATTERN_COLOR_FORMAT_BPC_6:
201			dst_bpc = 6;
202		break;
203		case TEST_PATTERN_COLOR_FORMAT_BPC_8:
204			dst_bpc = 8;
205		break;
206		case TEST_PATTERN_COLOR_FORMAT_BPC_10:
207			dst_bpc = 10;
208		break;
209		default:
210			dst_bpc = 8;
211		break;
212		}
213
214		/* increment for the first ramp for one color gradation
215		 * 1 gradation for 6-bit color is 2^10
216		 * gradations in 16-bit color
217		 */
218		inc_base = (src_bpc - dst_bpc);
219
220		switch (bit_depth) {
221		case TEST_PATTERN_COLOR_FORMAT_BPC_6:
222		{
223			REG_SET_3(DPG_RAMP_CONTROL, 0,
224				DPG_RAMP0_OFFSET, 0,
225				DPG_INC0, inc_base,
226				DPG_INC1, 0);
227			REG_UPDATE_2(DPG_CONTROL,
228				DPG_VRES, 6,
229				DPG_HRES, 6);
230		}
231		break;
232		case TEST_PATTERN_COLOR_FORMAT_BPC_8:
233		{
234			REG_SET_3(DPG_RAMP_CONTROL, 0,
235				DPG_RAMP0_OFFSET, 0,
236				DPG_INC0, inc_base,
237				DPG_INC1, 0);
238			REG_UPDATE_2(DPG_CONTROL,
239				DPG_VRES, 6,
240				DPG_HRES, 8);
241		}
242		break;
243		case TEST_PATTERN_COLOR_FORMAT_BPC_10:
244		{
245			REG_SET_3(DPG_RAMP_CONTROL, 0,
246				DPG_RAMP0_OFFSET, 384 << 6,
247				DPG_INC0, inc_base,
248				DPG_INC1, inc_base + 2);
249			REG_UPDATE_2(DPG_CONTROL,
250				DPG_VRES, 5,
251				DPG_HRES, 8);
252		}
253		break;
254		default:
255		break;
256		}
257
258		/* enable test pattern */
259		REG_UPDATE_4(DPG_CONTROL,
260			DPG_EN, 1,
261			DPG_MODE, mode,
262			DPG_DYNAMIC_RANGE, 0,
263			DPG_BIT_DEPTH, bit_depth);
264	}
265	break;
266	case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE:
267	{
268		REG_WRITE(DPG_CONTROL, 0);
269		REG_WRITE(DPG_COLOUR_R_CR, 0);
270		REG_WRITE(DPG_COLOUR_G_Y, 0);
271		REG_WRITE(DPG_COLOUR_B_CB, 0);
272		REG_WRITE(DPG_RAMP_CONTROL, 0);
273	}
274	break;
275	case CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR:
276	{
277		opp2_dpg_set_blank_color(opp, solid_color);
278		REG_UPDATE_2(DPG_CONTROL,
279				DPG_EN, 1,
280				DPG_MODE, TEST_PATTERN_MODE_HORIZONTALBARS);
281
282		REG_SET_2(DPG_DIMENSIONS, 0,
283				DPG_ACTIVE_WIDTH, width,
284				DPG_ACTIVE_HEIGHT, height);
285	}
286	break;
287	default:
288		break;
289
290	}
291}
292
293void opp2_program_dpg_dimensions(
294		struct output_pixel_processor *opp,
295		int width, int height)
296{
297	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
298
299	REG_SET_2(DPG_DIMENSIONS, 0,
300		DPG_ACTIVE_WIDTH, width,
301		DPG_ACTIVE_HEIGHT, height);
302}
303
304void opp2_dpg_set_blank_color(
305		struct output_pixel_processor *opp,
306		const struct tg_color *color)
307{
308	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
309
310	/* 16-bit MSB aligned value. Bits 3:0 of this field are hardwired to ZERO */
311	ASSERT(color);
312	REG_SET_2(DPG_COLOUR_B_CB, 0,
313			DPG_COLOUR1_B_CB, color->color_b_cb << 6,
314			DPG_COLOUR0_B_CB, color->color_b_cb << 6);
315	REG_SET_2(DPG_COLOUR_G_Y, 0,
316			DPG_COLOUR1_G_Y, color->color_g_y << 6,
317			DPG_COLOUR0_G_Y, color->color_g_y << 6);
318	REG_SET_2(DPG_COLOUR_R_CR, 0,
319			DPG_COLOUR1_R_CR, color->color_r_cr << 6,
320			DPG_COLOUR0_R_CR, color->color_r_cr << 6);
321}
322
323bool opp2_dpg_is_blanked(struct output_pixel_processor *opp)
324{
325	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
326	uint32_t dpg_en, dpg_mode;
327	uint32_t double_buffer_pending;
328
329	REG_GET_2(DPG_CONTROL,
330			DPG_EN, &dpg_en,
331			DPG_MODE, &dpg_mode);
332
333	REG_GET(DPG_STATUS,
334			DPG_DOUBLE_BUFFER_PENDING, &double_buffer_pending);
335
336	return (dpg_en == 1) &&
337		(double_buffer_pending == 0);
338}
339
340bool opp2_dpg_is_pending(struct output_pixel_processor *opp)
341{
342	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
343	uint32_t double_buffer_pending;
344	uint32_t dpg_en;
345
346	REG_GET(DPG_CONTROL, DPG_EN, &dpg_en);
347
348	REG_GET(DPG_STATUS, DPG_DOUBLE_BUFFER_PENDING, &double_buffer_pending);
349
350	return (dpg_en == 1 && double_buffer_pending == 1);
351}
352
353void opp2_program_left_edge_extra_pixel (
354		struct output_pixel_processor *opp,
355		bool count)
356{
357	struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
358
359	/* Specifies the number of extra left edge pixels that are supplied to
360	 * the 422 horizontal chroma sub-sample filter.
361	 * Note that when left edge pixel is not "0", fmt pixel encoding can be in either 420 or 422 mode
362	 * */
363	REG_UPDATE(FMT_422_CONTROL, FMT_LEFT_EDGE_EXTRA_PIXEL_COUNT, count);
364}
365
366/*****************************************/
367/* Constructor, Destructor               */
368/*****************************************/
369
370static struct opp_funcs dcn20_opp_funcs = {
371		.opp_set_dyn_expansion = opp1_set_dyn_expansion,
372		.opp_program_fmt = opp1_program_fmt,
373		.opp_program_bit_depth_reduction = opp1_program_bit_depth_reduction,
374		.opp_program_stereo = opp1_program_stereo,
375		.opp_pipe_clock_control = opp1_pipe_clock_control,
376		.opp_set_disp_pattern_generator = opp2_set_disp_pattern_generator,
377		.opp_program_dpg_dimensions = opp2_program_dpg_dimensions,
378		.dpg_is_blanked = opp2_dpg_is_blanked,
379		.dpg_is_pending = opp2_dpg_is_pending,
380		.opp_dpg_set_blank_color = opp2_dpg_set_blank_color,
381		.opp_destroy = opp1_destroy,
382		.opp_program_left_edge_extra_pixel = opp2_program_left_edge_extra_pixel,
383};
384
385void dcn20_opp_construct(struct dcn20_opp *oppn20,
386	struct dc_context *ctx,
387	uint32_t inst,
388	const struct dcn20_opp_registers *regs,
389	const struct dcn20_opp_shift *opp_shift,
390	const struct dcn20_opp_mask *opp_mask)
391{
392	oppn20->base.ctx = ctx;
393	oppn20->base.inst = inst;
394	oppn20->base.funcs = &dcn20_opp_funcs;
395
396	oppn20->regs = regs;
397	oppn20->opp_shift = opp_shift;
398	oppn20->opp_mask = opp_mask;
399}
400
401