1 // SPDX-License-Identifier: GPL-2.0
3 * ZynqMP Display Controller Driver
5 * Copyright (C) 2017 - 2018 Xilinx, Inc.
7 * Author: Hyun Woo Kwon <hyun.kwon@xilinx.com>
9 * This software is licensed under the terms of the GNU General Public
10 * License version 2, as published by the Free Software Foundation, and
11 * may be copied, distributed, and modified under those terms.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
20 #include <drm/drm_atomic.h>
21 #include <drm/drm_atomic_helper.h>
22 #include <drm/drm_crtc.h>
23 #include <drm/drm_crtc_helper.h>
24 #include <drm/drm_fb_cma_helper.h>
25 #include <drm/drm_fourcc.h>
26 #include <drm/drm_plane_helper.h>
28 #include <linux/clk.h>
29 #include <linux/device.h>
30 #include <linux/dmaengine.h>
31 #include <linux/interrupt.h>
32 #include <linux/irqreturn.h>
33 #include <linux/list.h>
34 #include <linux/module.h>
35 #include <linux/mutex.h>
37 #include <linux/of_dma.h>
38 #include <linux/platform_device.h>
39 #include <linux/pm_runtime.h>
40 #include <linux/spinlock.h>
41 #include <linux/uaccess.h>
43 #include "xlnx_bridge.h"
44 #include "xlnx_crtc.h"
46 #include "zynqmp_disp.h"
47 #include "zynqmp_dp.h"
48 #include "zynqmp_dpsub.h"
54 * The display part of ZynqMP DP subsystem. Internally, the device
55 * is partitioned into 3 blocks: AV buffer manager, Blender, Audio.
56 * The driver creates the DRM crtc and plane objectes and maps the DRM
57 * interface into those 3 blocks. In high level, the driver is layered
58 * in the following way:
60 * zynqmp_disp_crtc & zynqmp_disp_plane
63 * |->zynqmp_disp_blend
64 * |->zynqmp_disp_av_buf
66 * The driver APIs are used externally by
67 * - zynqmp_dpsub: Top level ZynqMP DP subsystem driver
68 * - zynqmp_dp: ZynqMP DP driver
69 * - xlnx_crtc: Xilinx DRM specific crtc functions
72 /* The default value is ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB565 */
73 static uint zynqmp_disp_gfx_init_fmt;
74 module_param_named(gfx_init_fmt, zynqmp_disp_gfx_init_fmt, uint, 0444);
75 MODULE_PARM_DESC(gfx_init_fmt, "The initial format of the graphics layer\n"
76 "\t\t0 = rgb565 (default)\n"
78 "\t\t2 = argb8888\n");
79 /* These value should be mapped to index of av_buf_gfx_fmts[] */
80 #define ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB565 10
81 #define ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB888 5
82 #define ZYNQMP_DISP_AV_BUF_GFX_FMT_ARGB8888 1
83 static const u32 zynqmp_disp_gfx_init_fmts[] = {
84 ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB565,
85 ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB888,
86 ZYNQMP_DISP_AV_BUF_GFX_FMT_ARGB8888,
89 /* Blender registers */
90 #define ZYNQMP_DISP_V_BLEND_BG_CLR_0 0x0
91 #define ZYNQMP_DISP_V_BLEND_BG_CLR_1 0x4
92 #define ZYNQMP_DISP_V_BLEND_BG_CLR_2 0x8
93 #define ZYNQMP_DISP_V_BLEND_BG_MAX 0xfff
94 #define ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA 0xc
95 #define ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MASK 0x1fe
96 #define ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX 0xff
97 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT 0x14
98 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_RGB 0x0
99 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YCBCR444 0x1
100 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YCBCR422 0x2
101 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YONLY 0x3
102 #define ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_XVYCC 0x4
103 #define ZYNQMP_DISP_V_BLEND_OUTPUT_EN_DOWNSAMPLE BIT(4)
104 #define ZYNQMP_DISP_V_BLEND_LAYER_CONTROL 0x18
105 #define ZYNQMP_DISP_V_BLEND_LAYER_CONTROL_EN_US BIT(0)
106 #define ZYNQMP_DISP_V_BLEND_LAYER_CONTROL_RGB BIT(1)
107 #define ZYNQMP_DISP_V_BLEND_LAYER_CONTROL_BYPASS BIT(8)
108 #define ZYNQMP_DISP_V_BLEND_NUM_COEFF 9
109 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF0 0x20
110 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF1 0x24
111 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF2 0x28
112 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF3 0x2c
113 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF4 0x30
114 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF5 0x34
115 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF6 0x38
116 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF7 0x3c
117 #define ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF8 0x40
118 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF0 0x44
119 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF1 0x48
120 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF2 0x4c
121 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF3 0x50
122 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF4 0x54
123 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF5 0x58
124 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF6 0x5c
125 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF7 0x60
126 #define ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF8 0x64
127 #define ZYNQMP_DISP_V_BLEND_NUM_OFFSET 3
128 #define ZYNQMP_DISP_V_BLEND_LUMA_IN1CSC_OFFSET 0x68
129 #define ZYNQMP_DISP_V_BLEND_CR_IN1CSC_OFFSET 0x6c
130 #define ZYNQMP_DISP_V_BLEND_CB_IN1CSC_OFFSET 0x70
131 #define ZYNQMP_DISP_V_BLEND_LUMA_OUTCSC_OFFSET 0x74
132 #define ZYNQMP_DISP_V_BLEND_CR_OUTCSC_OFFSET 0x78
133 #define ZYNQMP_DISP_V_BLEND_CB_OUTCSC_OFFSET 0x7c
134 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF0 0x80
135 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF1 0x84
136 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF2 0x88
137 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF3 0x8c
138 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF4 0x90
139 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF5 0x94
140 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF6 0x98
141 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF7 0x9c
142 #define ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF8 0xa0
143 #define ZYNQMP_DISP_V_BLEND_LUMA_IN2CSC_OFFSET 0xa4
144 #define ZYNQMP_DISP_V_BLEND_CR_IN2CSC_OFFSET 0xa8
145 #define ZYNQMP_DISP_V_BLEND_CB_IN2CSC_OFFSET 0xac
146 #define ZYNQMP_DISP_V_BLEND_CHROMA_KEY_ENABLE 0x1d0
147 #define ZYNQMP_DISP_V_BLEND_CHROMA_KEY_COMP1 0x1d4
148 #define ZYNQMP_DISP_V_BLEND_CHROMA_KEY_COMP2 0x1d8
149 #define ZYNQMP_DISP_V_BLEND_CHROMA_KEY_COMP3 0x1dc
151 /* AV buffer manager registers */
152 #define ZYNQMP_DISP_AV_BUF_FMT 0x0
153 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_SHIFT 0
154 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MASK (0x1f << 0)
155 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_UYVY (0 << 0)
156 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_VYUY (1 << 0)
157 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YVYU (2 << 0)
158 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YUYV (3 << 0)
159 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16 (4 << 0)
160 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV24 (5 << 0)
161 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI (6 << 0)
162 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MONO (7 << 0)
163 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI2 (8 << 0)
164 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YUV444 (9 << 0)
165 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888 (10 << 0)
166 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGBA8880 (11 << 0)
167 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888_10 (12 << 0)
168 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YUV444_10 (13 << 0)
169 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI2_10 (14 << 0)
170 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_10 (15 << 0)
171 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16_10 (16 << 0)
172 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV24_10 (17 << 0)
173 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YONLY_10 (18 << 0)
174 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16_420 (19 << 0)
175 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_420 (20 << 0)
176 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI2_420 (21 << 0)
177 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16_420_10 (22 << 0)
178 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_420_10 (23 << 0)
179 #define ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI2_420_10 (24 << 0)
180 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_SHIFT 8
181 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_MASK (0xf << 8)
182 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888 (0 << 8)
183 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_ABGR8888 (1 << 8)
184 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGB888 (2 << 8)
185 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_BGR888 (3 << 8)
186 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA5551 (4 << 8)
187 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA4444 (5 << 8)
188 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGB565 (6 << 8)
189 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_8BPP (7 << 8)
190 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_4BPP (8 << 8)
191 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_2BPP (9 << 8)
192 #define ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_1BPP (10 << 8)
193 #define ZYNQMP_DISP_AV_BUF_NON_LIVE_LATENCY 0x8
194 #define ZYNQMP_DISP_AV_BUF_CHBUF 0x10
195 #define ZYNQMP_DISP_AV_BUF_CHBUF_EN BIT(0)
196 #define ZYNQMP_DISP_AV_BUF_CHBUF_FLUSH BIT(1)
197 #define ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_SHIFT 2
198 #define ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_MASK (0xf << 2)
199 #define ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_MAX 0xf
200 #define ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_AUD_MAX 0x3
201 #define ZYNQMP_DISP_AV_BUF_STATUS 0x28
202 #define ZYNQMP_DISP_AV_BUF_STC_CTRL 0x2c
203 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EN BIT(0)
204 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EVENT_SHIFT 1
205 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EVENT_EX_VSYNC 0
206 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EVENT_EX_VID 1
207 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EVENT_EX_AUD 2
208 #define ZYNQMP_DISP_AV_BUF_STC_CTRL_EVENT_INT_VSYNC 3
209 #define ZYNQMP_DISP_AV_BUF_STC_INIT_VALUE0 0x30
210 #define ZYNQMP_DISP_AV_BUF_STC_INIT_VALUE1 0x34
211 #define ZYNQMP_DISP_AV_BUF_STC_ADJ 0x38
212 #define ZYNQMP_DISP_AV_BUF_STC_VID_VSYNC_TS0 0x3c
213 #define ZYNQMP_DISP_AV_BUF_STC_VID_VSYNC_TS1 0x40
214 #define ZYNQMP_DISP_AV_BUF_STC_EXT_VSYNC_TS0 0x44
215 #define ZYNQMP_DISP_AV_BUF_STC_EXT_VSYNC_TS1 0x48
216 #define ZYNQMP_DISP_AV_BUF_STC_CUSTOM_EVENT_TS0 0x4c
217 #define ZYNQMP_DISP_AV_BUF_STC_CUSTOM_EVENT_TS1 0x50
218 #define ZYNQMP_DISP_AV_BUF_STC_CUSTOM_EVENT2_TS0 0x54
219 #define ZYNQMP_DISP_AV_BUF_STC_CUSTOM_EVENT2_TS1 0x58
220 #define ZYNQMP_DISP_AV_BUF_STC_SNAPSHOT0 0x60
221 #define ZYNQMP_DISP_AV_BUF_STC_SNAPSHOT1 0x64
222 #define ZYNQMP_DISP_AV_BUF_OUTPUT 0x70
223 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_SHIFT 0
224 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK (0x3 << 0)
225 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_LIVE (0 << 0)
226 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MEM (1 << 0)
227 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_PATTERN (2 << 0)
228 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_NONE (3 << 0)
229 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_SHIFT 2
230 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK (0x3 << 2)
231 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_DISABLE (0 << 2)
232 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM (1 << 2)
233 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_LIVE (2 << 2)
234 #define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_NONE (3 << 2)
235 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_SHIFT 4
236 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK (0x3 << 4)
237 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_PL (0 << 4)
238 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MEM (1 << 4)
239 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_PATTERN (2 << 4)
240 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_DISABLE (3 << 4)
241 #define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN BIT(6)
242 #define ZYNQMP_DISP_AV_BUF_HCOUNT_VCOUNT_INT0 0x74
243 #define ZYNQMP_DISP_AV_BUF_HCOUNT_VCOUNT_INT1 0x78
244 #define ZYNQMP_DISP_AV_BUF_PATTERN_GEN_SELECT 0x100
245 #define ZYNQMP_DISP_AV_BUF_CLK_SRC 0x120
246 #define ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_FROM_PS BIT(0)
247 #define ZYNQMP_DISP_AV_BUF_CLK_SRC_AUD_FROM_PS BIT(1)
248 #define ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_INTERNAL_TIMING BIT(2)
249 #define ZYNQMP_DISP_AV_BUF_SRST_REG 0x124
250 #define ZYNQMP_DISP_AV_BUF_SRST_REG_VID_RST BIT(1)
251 #define ZYNQMP_DISP_AV_BUF_AUDIO_CH_CONFIG 0x12c
252 #define ZYNQMP_DISP_AV_BUF_GFX_COMP0_SF 0x200
253 #define ZYNQMP_DISP_AV_BUF_GFX_COMP1_SF 0x204
254 #define ZYNQMP_DISP_AV_BUF_GFX_COMP2_SF 0x208
255 #define ZYNQMP_DISP_AV_BUF_VID_COMP0_SF 0x20c
256 #define ZYNQMP_DISP_AV_BUF_VID_COMP1_SF 0x210
257 #define ZYNQMP_DISP_AV_BUF_VID_COMP2_SF 0x214
258 #define ZYNQMP_DISP_AV_BUF_LIVE_VID_COMP0_SF 0x218
259 #define ZYNQMP_DISP_AV_BUF_LIVE_VID_COMP1_SF 0x21c
260 #define ZYNQMP_DISP_AV_BUF_LIVE_VID_COMP2_SF 0x220
261 #define ZYNQMP_DISP_AV_BUF_LIVE_VID_CONFIG 0x224
262 #define ZYNQMP_DISP_AV_BUF_LIVE_GFX_COMP0_SF 0x228
263 #define ZYNQMP_DISP_AV_BUF_LIVE_GFX_COMP1_SF 0x22c
264 #define ZYNQMP_DISP_AV_BUF_LIVE_GFX_COMP2_SF 0x230
265 #define ZYNQMP_DISP_AV_BUF_LIVE_GFX_CONFIG 0x234
266 #define ZYNQMP_DISP_AV_BUF_4BIT_SF 0x11111
267 #define ZYNQMP_DISP_AV_BUF_5BIT_SF 0x10842
268 #define ZYNQMP_DISP_AV_BUF_6BIT_SF 0x10410
269 #define ZYNQMP_DISP_AV_BUF_8BIT_SF 0x10101
270 #define ZYNQMP_DISP_AV_BUF_10BIT_SF 0x10040
271 #define ZYNQMP_DISP_AV_BUF_NULL_SF 0
272 #define ZYNQMP_DISP_AV_BUF_NUM_SF 3
273 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_6 0x0
274 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_8 0x1
275 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_10 0x2
276 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_12 0x3
277 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_MASK GENMASK(2, 0)
278 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_RGB 0x0
279 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV444 0x1
280 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422 0x2
281 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YONLY 0x3
282 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_MASK GENMASK(5, 4)
283 #define ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_CB_FIRST BIT(8)
284 #define ZYNQMP_DISP_AV_BUF_PALETTE_MEMORY 0x400
286 /* Audio registers */
287 #define ZYNQMP_DISP_AUD_MIXER_VOLUME 0x0
288 #define ZYNQMP_DISP_AUD_MIXER_VOLUME_NO_SCALE 0x20002000
289 #define ZYNQMP_DISP_AUD_MIXER_META_DATA 0x4
290 #define ZYNQMP_DISP_AUD_CH_STATUS0 0x8
291 #define ZYNQMP_DISP_AUD_CH_STATUS1 0xc
292 #define ZYNQMP_DISP_AUD_CH_STATUS2 0x10
293 #define ZYNQMP_DISP_AUD_CH_STATUS3 0x14
294 #define ZYNQMP_DISP_AUD_CH_STATUS4 0x18
295 #define ZYNQMP_DISP_AUD_CH_STATUS5 0x1c
296 #define ZYNQMP_DISP_AUD_CH_A_DATA0 0x20
297 #define ZYNQMP_DISP_AUD_CH_A_DATA1 0x24
298 #define ZYNQMP_DISP_AUD_CH_A_DATA2 0x28
299 #define ZYNQMP_DISP_AUD_CH_A_DATA3 0x2c
300 #define ZYNQMP_DISP_AUD_CH_A_DATA4 0x30
301 #define ZYNQMP_DISP_AUD_CH_A_DATA5 0x34
302 #define ZYNQMP_DISP_AUD_CH_B_DATA0 0x38
303 #define ZYNQMP_DISP_AUD_CH_B_DATA1 0x3c
304 #define ZYNQMP_DISP_AUD_CH_B_DATA2 0x40
305 #define ZYNQMP_DISP_AUD_CH_B_DATA3 0x44
306 #define ZYNQMP_DISP_AUD_CH_B_DATA4 0x48
307 #define ZYNQMP_DISP_AUD_CH_B_DATA5 0x4c
308 #define ZYNQMP_DISP_AUD_SOFT_RESET 0xc00
309 #define ZYNQMP_DISP_AUD_SOFT_RESET_AUD_SRST BIT(0)
311 #define ZYNQMP_DISP_AV_BUF_NUM_VID_GFX_BUFFERS 4
312 #define ZYNQMP_DISP_AV_BUF_NUM_BUFFERS 6
314 #define ZYNQMP_DISP_NUM_LAYERS 2
315 #define ZYNQMP_DISP_MAX_NUM_SUB_PLANES 3
317 * 3840x2160 is advertised max resolution, but almost any resolutions under
318 * 300Mhz pixel rate would work. Thus put 4096 as maximum width and height.
320 #define ZYNQMP_DISP_MAX_WIDTH 4096
321 #define ZYNQMP_DISP_MAX_HEIGHT 4096
322 /* 44 bit addressing. This is acutally DPDMA limitation */
323 #define ZYNQMP_DISP_MAX_DMA_BIT 44
326 * enum zynqmp_disp_layer_type - Layer type (can be used for hw ID)
327 * @ZYNQMP_DISP_LAYER_VID: Video layer
328 * @ZYNQMP_DISP_LAYER_GFX: Graphics layer
330 enum zynqmp_disp_layer_type {
331 ZYNQMP_DISP_LAYER_VID,
332 ZYNQMP_DISP_LAYER_GFX
336 * enum zynqmp_disp_layer_mode - Layer mode
337 * @ZYNQMP_DISP_LAYER_NONLIVE: non-live (memory) mode
338 * @ZYNQMP_DISP_LAYER_LIVE: live (stream) mode
340 enum zynqmp_disp_layer_mode {
341 ZYNQMP_DISP_LAYER_NONLIVE,
342 ZYNQMP_DISP_LAYER_LIVE
346 * struct zynqmp_disp_layer_dma - struct for DMA engine
348 * @is_active: flag if the DMA is active
349 * @xt: Interleaved desc config container
350 * @sgl: Data chunk for dma_interleaved_template
352 struct zynqmp_disp_layer_dma {
353 struct dma_chan *chan;
355 struct dma_interleaved_template xt;
356 struct data_chunk sgl[1];
360 * struct zynqmp_disp_layer - Display subsystem layer
362 * @bridge: Xlnx bridge
363 * @of_node: device node
364 * @dma: struct for DMA engine
365 * @num_chan: Number of DMA channel
367 * @offset: Layer offset in the register space
368 * @enabled: flag if enabled
369 * @fmt: Current format descriptor
370 * @drm_fmts: Array of supported DRM formats
371 * @num_fmts: Number of supported DRM formats
372 * @bus_fmts: Array of supported bus formats
373 * @num_bus_fmts: Number of supported bus formats
376 * @mode: the operation mode
377 * @other: other layer
378 * @disp: back pointer to struct zynqmp_disp
380 struct zynqmp_disp_layer {
381 struct drm_plane plane;
382 struct xlnx_bridge bridge;
383 struct device_node *of_node;
384 struct zynqmp_disp_layer_dma dma[ZYNQMP_DISP_MAX_NUM_SUB_PLANES];
385 unsigned int num_chan;
386 enum zynqmp_disp_layer_type id;
389 const struct zynqmp_disp_fmt *fmt;
391 unsigned int num_fmts;
393 unsigned int num_bus_fmts;
396 enum zynqmp_disp_layer_mode mode;
397 struct zynqmp_disp_layer *other;
398 struct zynqmp_disp *disp;
402 * struct zynqmp_disp_blend - Blender
403 * @base: Base address offset
405 struct zynqmp_disp_blend {
410 * struct zynqmp_disp_av_buf - AV buffer manager
411 * @base: Base address offset
413 struct zynqmp_disp_av_buf {
418 * struct zynqmp_disp_aud - Audio
419 * @base: Base address offset
421 struct zynqmp_disp_aud {
426 * struct zynqmp_disp - Display subsystem
427 * @xlnx_crtc: Xilinx DRM crtc
428 * @dev: device structure
429 * @dpsub: Display subsystem
431 * @enabled: flag if enabled
432 * @blend: Blender block
433 * @av_buf: AV buffer manager block
436 * @g_alpha_prop: global alpha property
437 * @alpha: current global alpha value
438 * @g_alpha_en_prop: the global alpha enable property
439 * @alpha_en: flag if the global alpha is enabled
440 * @color_prop: output color format property
441 * @color: current output color value
442 * @bg_c0_prop: 1st component of background color property
443 * @bg_c0: current value of 1st background color component
444 * @bg_c1_prop: 2nd component of background color property
445 * @bg_c1: current value of 2nd background color component
446 * @bg_c2_prop: 3rd component of background color property
447 * @bg_c2: current value of 3rd background color component
448 * @tpg_prop: Test Pattern Generation mode property
449 * @tpg_on: current TPG mode state
450 * @event: pending vblank event request
451 * @_ps_pclk: Pixel clock from PS
452 * @_pl_pclk: Pixel clock from PL
454 * @pclk_en: Flag if the pixel clock is enabled
455 * @_ps_audclk: Audio clock from PS
456 * @_pl_audclk: Audio clock from PL
457 * @audclk: Audio clock
458 * @audclk_en: Flag if the audio clock is enabled
460 * @aclk_en: Flag if the APB clock is enabled
463 struct xlnx_crtc xlnx_crtc;
465 struct zynqmp_dpsub *dpsub;
466 struct drm_device *drm;
468 struct zynqmp_disp_blend blend;
469 struct zynqmp_disp_av_buf av_buf;
470 struct zynqmp_disp_aud aud;
471 struct zynqmp_disp_layer layers[ZYNQMP_DISP_NUM_LAYERS];
472 struct drm_property *g_alpha_prop;
474 struct drm_property *g_alpha_en_prop;
476 struct drm_property *color_prop;
478 struct drm_property *bg_c0_prop;
480 struct drm_property *bg_c1_prop;
482 struct drm_property *bg_c2_prop;
484 struct drm_property *tpg_prop;
486 struct drm_pending_vblank_event *event;
487 /* Don't operate directly on _ps_ */
488 struct clk *_ps_pclk;
489 struct clk *_pl_pclk;
492 struct clk *_ps_audclk;
493 struct clk *_pl_audclk;
501 * struct zynqmp_disp_fmt - Display subsystem format mapping
502 * @drm_fmt: drm format
503 * @disp_fmt: Display subsystem format
504 * @bus_fmt: Bus formats (live formats)
505 * @rgb: flag for RGB formats
506 * @swap: flag to swap r & b for rgb formats, and u & v for yuv formats
507 * @chroma_sub: flag for chroma subsampled formats
508 * @sf: scaling factors for upto 3 color components
510 struct zynqmp_disp_fmt {
520 static void zynqmp_disp_write(void __iomem *base, int offset, u32 val)
522 writel(val, base + offset);
525 static u32 zynqmp_disp_read(void __iomem *base, int offset)
527 return readl(base + offset);
530 static void zynqmp_disp_clr(void __iomem *base, int offset, u32 clr)
532 zynqmp_disp_write(base, offset, zynqmp_disp_read(base, offset) & ~clr);
535 static void zynqmp_disp_set(void __iomem *base, int offset, u32 set)
537 zynqmp_disp_write(base, offset, zynqmp_disp_read(base, offset) | set);
545 * zynqmp_disp_clk_enable - Enable the clock if needed
547 * @flag: flag if the clock is enabled
549 * Enable the clock only if it's not enabled @flag.
551 * Return: value from clk_prepare_enable().
553 static int zynqmp_disp_clk_enable(struct clk *clk, bool *flag)
558 ret = clk_prepare_enable(clk);
567 * zynqmp_disp_clk_enable - Enable the clock if needed
569 * @flag: flag if the clock is enabled
571 * Disable the clock only if it's enabled @flag.
573 static void zynqmp_disp_clk_disable(struct clk *clk, bool *flag)
576 clk_disable_unprepare(clk);
582 * zynqmp_disp_clk_enable - Enable and disable the clock
584 * @flag: flag if the clock is enabled
586 * This is to ensure the clock is disabled. The initial hardware state is
587 * unknown, and this makes sure that the clock is disabled.
589 * Return: value from clk_prepare_enable().
591 static int zynqmp_disp_clk_enable_disable(struct clk *clk, bool *flag)
596 ret = clk_prepare_enable(clk);
597 clk_disable_unprepare(clk);
608 * zynqmp_disp_blend_set_output_fmt - Set the output format of the blend
609 * @blend: blend object
610 * @fmt: output format
612 * Set the output format to @fmt.
615 zynqmp_disp_blend_set_output_fmt(struct zynqmp_disp_blend *blend, u32 fmt)
617 u16 reset_coeffs[] = { 0x1000, 0x0, 0x0,
620 u32 reset_offsets[] = { 0x0, 0x0, 0x0 };
621 u16 sdtv_coeffs[] = { 0x4c9, 0x864, 0x1d3,
622 0x7d4d, 0x7ab3, 0x800,
623 0x800, 0x794d, 0x7eb3 };
624 u32 full_range_offsets[] = { 0x0, 0x8000000, 0x8000000 };
629 zynqmp_disp_write(blend->base, ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT, fmt);
630 if (fmt == ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_RGB) {
631 coeffs = reset_coeffs;
632 offsets = reset_offsets;
634 /* Hardcode Full-range SDTV values. Can be runtime config */
635 coeffs = sdtv_coeffs;
636 offsets = full_range_offsets;
639 offset = ZYNQMP_DISP_V_BLEND_RGB2YCBCR_COEFF0;
640 for (i = 0; i < ZYNQMP_DISP_V_BLEND_NUM_COEFF; i++)
641 zynqmp_disp_write(blend->base, offset + i * 4, coeffs[i]);
643 offset = ZYNQMP_DISP_V_BLEND_LUMA_OUTCSC_OFFSET;
644 for (i = 0; i < ZYNQMP_DISP_V_BLEND_NUM_OFFSET; i++)
645 zynqmp_disp_write(blend->base, offset + i * 4, offsets[i]);
649 * zynqmp_disp_blend_layer_coeff - Set the coefficients for @layer
650 * @blend: blend object
651 * @layer: layer to set the coefficients for
652 * @on: if layer is on / off
654 * Depending on the format (rgb / yuv and swap), and the status (on / off),
655 * this function sets the coefficients for the given layer @layer accordingly.
657 static void zynqmp_disp_blend_layer_coeff(struct zynqmp_disp_blend *blend,
658 struct zynqmp_disp_layer *layer,
661 u32 offset, i, s0, s1;
662 u16 sdtv_coeffs[] = { 0x1000, 0x166f, 0x0,
663 0x1000, 0x7483, 0x7a7f,
664 0x1000, 0x0, 0x1c5a };
665 u16 swap_coeffs[] = { 0x1000, 0x0, 0x0,
668 u16 null_coeffs[] = { 0x0, 0x0, 0x0,
672 u32 sdtv_offsets[] = { 0x0, 0x1800, 0x1800 };
673 u32 null_offsets[] = { 0x0, 0x0, 0x0 };
676 if (layer->id == ZYNQMP_DISP_LAYER_VID)
677 offset = ZYNQMP_DISP_V_BLEND_IN1CSC_COEFF0;
679 offset = ZYNQMP_DISP_V_BLEND_IN2CSC_COEFF0;
682 coeffs = null_coeffs;
683 offsets = null_offsets;
685 if (!layer->fmt->rgb) {
686 coeffs = sdtv_coeffs;
687 offsets = sdtv_offsets;
691 coeffs = swap_coeffs;
695 /* No offset for RGB formats */
696 offsets = null_offsets;
699 if (layer->fmt->swap) {
700 for (i = 0; i < 3; i++) {
701 coeffs[i * 3 + s0] ^= coeffs[i * 3 + s1];
702 coeffs[i * 3 + s1] ^= coeffs[i * 3 + s0];
703 coeffs[i * 3 + s0] ^= coeffs[i * 3 + s1];
708 /* Program coefficients. Can be runtime configurable */
709 for (i = 0; i < ZYNQMP_DISP_V_BLEND_NUM_COEFF; i++)
710 zynqmp_disp_write(blend->base, offset + i * 4, coeffs[i]);
712 if (layer->id == ZYNQMP_DISP_LAYER_VID)
713 offset = ZYNQMP_DISP_V_BLEND_LUMA_IN1CSC_OFFSET;
715 offset = ZYNQMP_DISP_V_BLEND_LUMA_IN2CSC_OFFSET;
717 /* Program offsets. Can be runtime configurable */
718 for (i = 0; i < ZYNQMP_DISP_V_BLEND_NUM_OFFSET; i++)
719 zynqmp_disp_write(blend->base, offset + i * 4, offsets[i]);
723 * zynqmp_disp_blend_layer_enable - Enable a layer
724 * @blend: blend object
725 * @layer: layer to enable
727 * Enable a layer @layer.
729 static void zynqmp_disp_blend_layer_enable(struct zynqmp_disp_blend *blend,
730 struct zynqmp_disp_layer *layer)
734 reg = layer->fmt->rgb ? ZYNQMP_DISP_V_BLEND_LAYER_CONTROL_RGB : 0;
735 reg |= layer->fmt->chroma_sub ?
736 ZYNQMP_DISP_V_BLEND_LAYER_CONTROL_EN_US : 0;
738 zynqmp_disp_write(blend->base,
739 ZYNQMP_DISP_V_BLEND_LAYER_CONTROL + layer->offset,
742 zynqmp_disp_blend_layer_coeff(blend, layer, true);
746 * zynqmp_disp_blend_layer_disable - Disable a layer
747 * @blend: blend object
748 * @layer: layer to disable
750 * Disable a layer @layer.
752 static void zynqmp_disp_blend_layer_disable(struct zynqmp_disp_blend *blend,
753 struct zynqmp_disp_layer *layer)
755 zynqmp_disp_write(blend->base,
756 ZYNQMP_DISP_V_BLEND_LAYER_CONTROL + layer->offset, 0);
758 zynqmp_disp_blend_layer_coeff(blend, layer, false);
762 * zynqmp_disp_blend_set_bg_color - Set the background color
763 * @blend: blend object
764 * @c0: color component 0
765 * @c1: color component 1
766 * @c2: color component 2
768 * Set the background color.
770 static void zynqmp_disp_blend_set_bg_color(struct zynqmp_disp_blend *blend,
771 u32 c0, u32 c1, u32 c2)
773 zynqmp_disp_write(blend->base, ZYNQMP_DISP_V_BLEND_BG_CLR_0, c0);
774 zynqmp_disp_write(blend->base, ZYNQMP_DISP_V_BLEND_BG_CLR_1, c1);
775 zynqmp_disp_write(blend->base, ZYNQMP_DISP_V_BLEND_BG_CLR_2, c2);
779 * zynqmp_disp_blend_set_alpha - Set the alpha for blending
780 * @blend: blend object
781 * @alpha: alpha value to be used
783 * Set the alpha for blending.
786 zynqmp_disp_blend_set_alpha(struct zynqmp_disp_blend *blend, u32 alpha)
790 reg = zynqmp_disp_read(blend->base,
791 ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA);
792 reg &= ~ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MASK;
794 zynqmp_disp_write(blend->base, ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA,
799 * zynqmp_disp_blend_enable_alpha - Enable/disable the global alpha
800 * @blend: blend object
801 * @enable: flag to enable or disable alpha blending
803 * Enable/disable the global alpha blending based on @enable.
806 zynqmp_disp_blend_enable_alpha(struct zynqmp_disp_blend *blend, bool enable)
809 zynqmp_disp_set(blend->base,
810 ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA, BIT(0));
812 zynqmp_disp_clr(blend->base,
813 ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA, BIT(0));
816 /* List of blend output formats */
817 /* The id / order should be aligned with zynqmp_disp_color_enum */
818 static const struct zynqmp_disp_fmt blend_output_fmts[] = {
820 .disp_fmt = ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_RGB,
822 .disp_fmt = ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YCBCR444,
824 .disp_fmt = ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YCBCR422,
826 .disp_fmt = ZYNQMP_DISP_V_BLEND_OUTPUT_VID_FMT_YONLY,
831 * AV buffer manager functions
834 /* List of video layer formats */
835 #define ZYNQMP_DISP_AV_BUF_VID_FMT_YUYV 2
836 static const struct zynqmp_disp_fmt av_buf_vid_fmts[] = {
838 .drm_fmt = DRM_FORMAT_VYUY,
839 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_VYUY,
843 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
844 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
845 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
847 .drm_fmt = DRM_FORMAT_UYVY,
848 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_VYUY,
852 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
853 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
854 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
856 .drm_fmt = DRM_FORMAT_YUYV,
857 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YUYV,
861 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
862 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
863 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
865 .drm_fmt = DRM_FORMAT_YVYU,
866 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YUYV,
870 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
871 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
872 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
874 .drm_fmt = DRM_FORMAT_YUV422,
875 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16,
879 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
880 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
881 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
883 .drm_fmt = DRM_FORMAT_YVU422,
884 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16,
888 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
889 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
890 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
892 .drm_fmt = DRM_FORMAT_YUV444,
893 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV24,
897 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
898 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
899 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
901 .drm_fmt = DRM_FORMAT_YVU444,
902 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV24,
906 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
907 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
908 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
910 .drm_fmt = DRM_FORMAT_NV16,
911 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI,
915 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
916 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
917 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
919 .drm_fmt = DRM_FORMAT_NV61,
920 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI,
924 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
925 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
926 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
928 .drm_fmt = DRM_FORMAT_BGR888,
929 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888,
933 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
934 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
935 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
937 .drm_fmt = DRM_FORMAT_RGB888,
938 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888,
942 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
943 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
944 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
946 .drm_fmt = DRM_FORMAT_XBGR8888,
947 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGBA8880,
951 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
952 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
953 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
955 .drm_fmt = DRM_FORMAT_XRGB8888,
956 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGBA8880,
960 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
961 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
962 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
964 .drm_fmt = DRM_FORMAT_XBGR2101010,
965 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888_10,
969 .sf[0] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
970 .sf[1] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
971 .sf[2] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
973 .drm_fmt = DRM_FORMAT_XRGB2101010,
974 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_RGB888_10,
978 .sf[0] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
979 .sf[1] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
980 .sf[2] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
982 .drm_fmt = DRM_FORMAT_YUV420,
983 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16_420,
987 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
988 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
989 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
991 .drm_fmt = DRM_FORMAT_YVU420,
992 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16_420,
996 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
997 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
998 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1000 .drm_fmt = DRM_FORMAT_NV12,
1001 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_420,
1005 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1006 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1007 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1009 .drm_fmt = DRM_FORMAT_NV21,
1010 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_420,
1014 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1015 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1016 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1018 .drm_fmt = DRM_FORMAT_XV15,
1019 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_420_10,
1023 .sf[0] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1024 .sf[1] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1025 .sf[2] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1027 .drm_fmt = DRM_FORMAT_XV20,
1028 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_10,
1032 .sf[0] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1033 .sf[1] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1034 .sf[2] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1038 /* List of graphics layer formats */
1039 static const struct zynqmp_disp_fmt av_buf_gfx_fmts[] = {
1041 .drm_fmt = DRM_FORMAT_ABGR8888,
1042 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
1045 .chroma_sub = false,
1046 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1047 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1048 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1050 .drm_fmt = DRM_FORMAT_ARGB8888,
1051 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
1054 .chroma_sub = false,
1055 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1056 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1057 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1059 .drm_fmt = DRM_FORMAT_RGBA8888,
1060 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_ABGR8888,
1063 .chroma_sub = false,
1064 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1065 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1066 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1068 .drm_fmt = DRM_FORMAT_BGRA8888,
1069 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_ABGR8888,
1072 .chroma_sub = false,
1073 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1074 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1075 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1077 .drm_fmt = DRM_FORMAT_BGR888,
1078 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGB888,
1081 .chroma_sub = false,
1082 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1083 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1084 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1086 .drm_fmt = DRM_FORMAT_RGB888,
1087 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_BGR888,
1090 .chroma_sub = false,
1091 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1092 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1093 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1095 .drm_fmt = DRM_FORMAT_RGBA5551,
1096 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA5551,
1099 .chroma_sub = false,
1100 .sf[0] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1101 .sf[1] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1102 .sf[2] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1104 .drm_fmt = DRM_FORMAT_BGRA5551,
1105 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA5551,
1108 .chroma_sub = false,
1109 .sf[0] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1110 .sf[1] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1111 .sf[2] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1113 .drm_fmt = DRM_FORMAT_RGBA4444,
1114 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA4444,
1117 .chroma_sub = false,
1118 .sf[0] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1119 .sf[1] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1120 .sf[2] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1122 .drm_fmt = DRM_FORMAT_BGRA4444,
1123 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA4444,
1126 .chroma_sub = false,
1127 .sf[0] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1128 .sf[1] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1129 .sf[2] = ZYNQMP_DISP_AV_BUF_4BIT_SF,
1131 .drm_fmt = DRM_FORMAT_RGB565,
1132 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGB565,
1135 .chroma_sub = false,
1136 .sf[0] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1137 .sf[1] = ZYNQMP_DISP_AV_BUF_6BIT_SF,
1138 .sf[2] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1140 .drm_fmt = DRM_FORMAT_BGR565,
1141 .disp_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGB565,
1144 .chroma_sub = false,
1145 .sf[0] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1146 .sf[1] = ZYNQMP_DISP_AV_BUF_6BIT_SF,
1147 .sf[2] = ZYNQMP_DISP_AV_BUF_5BIT_SF,
1151 /* List of live formats */
1152 /* Format can be combination of color, bpc, and cb-cr order.
1153 * - Color: RGB / YUV444 / YUV422 / Y only
1154 * - BPC: 6, 8, 10, 12
1155 * - Swap: Cb and Cr swap
1156 * which can be 32 bus formats. Only list the subset of those for now.
1158 static const struct zynqmp_disp_fmt av_buf_live_fmts[] = {
1160 .bus_fmt = MEDIA_BUS_FMT_RGB666_1X18,
1161 .disp_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_6 ||
1162 ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_RGB,
1165 .chroma_sub = false,
1166 .sf[0] = ZYNQMP_DISP_AV_BUF_6BIT_SF,
1167 .sf[1] = ZYNQMP_DISP_AV_BUF_6BIT_SF,
1168 .sf[2] = ZYNQMP_DISP_AV_BUF_6BIT_SF,
1170 .bus_fmt = MEDIA_BUS_FMT_RBG888_1X24,
1171 .disp_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_8 ||
1172 ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_RGB,
1175 .chroma_sub = false,
1176 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1177 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1178 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1180 .bus_fmt = MEDIA_BUS_FMT_UYVY8_1X16,
1181 .disp_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_8 ||
1182 ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422,
1186 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1187 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1188 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1190 .bus_fmt = MEDIA_BUS_FMT_VUY8_1X24,
1191 .disp_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_8 ||
1192 ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV444,
1195 .chroma_sub = false,
1196 .sf[0] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1197 .sf[1] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1198 .sf[2] = ZYNQMP_DISP_AV_BUF_8BIT_SF,
1200 .bus_fmt = MEDIA_BUS_FMT_UYVY10_1X20,
1201 .disp_fmt = ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_BPC_10 ||
1202 ZYNQMP_DISP_AV_BUF_LIVE_CONFIG_FMT_YUV422,
1206 .sf[0] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1207 .sf[1] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1208 .sf[2] = ZYNQMP_DISP_AV_BUF_10BIT_SF,
1213 * zynqmp_disp_av_buf_set_fmt - Set the input formats
1214 * @av_buf: av buffer manager
1217 * Set the av buffer manager format to @fmt. @fmt should have valid values
1218 * for both video and graphics layer.
1221 zynqmp_disp_av_buf_set_fmt(struct zynqmp_disp_av_buf *av_buf, u32 fmt)
1223 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_FMT, fmt);
1227 * zynqmp_disp_av_buf_get_fmt - Get the input formats
1228 * @av_buf: av buffer manager
1230 * Get the input formats (which include video and graphics) of
1231 * av buffer manager.
1233 * Return: value of ZYNQMP_DISP_AV_BUF_FMT register.
1236 zynqmp_disp_av_buf_get_fmt(struct zynqmp_disp_av_buf *av_buf)
1238 return zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_FMT);
1242 * zynqmp_disp_av_buf_set_live_fmt - Set the live_input format
1243 * @av_buf: av buffer manager
1245 * @is_vid: if it's for video layer
1247 * Set the live input format to @fmt. @fmt should have valid values.
1248 * @vid will determine if it's for video layer or graphics layer
1249 * @fmt should be a valid hardware value.
1251 static void zynqmp_disp_av_buf_set_live_fmt(struct zynqmp_disp_av_buf *av_buf,
1252 u32 fmt, bool is_vid)
1257 offset = ZYNQMP_DISP_AV_BUF_LIVE_VID_CONFIG;
1259 offset = ZYNQMP_DISP_AV_BUF_LIVE_GFX_CONFIG;
1261 zynqmp_disp_write(av_buf->base, offset, fmt);
1265 * zynqmp_disp_av_buf_set_vid_clock_src - Set the video clock source
1266 * @av_buf: av buffer manager
1267 * @from_ps: flag if the video clock is from ps
1269 * Set the video clock source based on @from_ps. It can come from either PS or
1273 zynqmp_disp_av_buf_set_vid_clock_src(struct zynqmp_disp_av_buf *av_buf,
1276 u32 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC);
1279 reg |= ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_FROM_PS;
1281 reg &= ~ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_FROM_PS;
1282 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC, reg);
1286 * zynqmp_disp_av_buf_vid_clock_src_is_ps - if ps clock is used
1287 * @av_buf: av buffer manager
1289 * Return: if ps clock is used
1292 zynqmp_disp_av_buf_vid_clock_src_is_ps(struct zynqmp_disp_av_buf *av_buf)
1294 u32 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC);
1296 return !!(reg & ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_FROM_PS);
1300 * zynqmp_disp_av_buf_set_vid_timing_src - Set the video timing source
1301 * @av_buf: av buffer manager
1302 * @internal: flag if the video timing is generated internally
1304 * Set the video timing source based on @internal. It can come externally or
1305 * be generated internally.
1308 zynqmp_disp_av_buf_set_vid_timing_src(struct zynqmp_disp_av_buf *av_buf,
1311 u32 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC);
1314 reg |= ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_INTERNAL_TIMING;
1316 reg &= ~ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_INTERNAL_TIMING;
1317 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC, reg);
1321 * zynqmp_disp_av_buf_vid_timing_src_is_int - if internal timing is used
1322 * @av_buf: av buffer manager
1324 * Return: if the internal timing is used
1327 zynqmp_disp_av_buf_vid_timing_src_is_int(struct zynqmp_disp_av_buf *av_buf)
1329 u32 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC);
1331 return !!(reg & ZYNQMP_DISP_AV_BUF_CLK_SRC_VID_INTERNAL_TIMING);
1335 * zynqmp_disp_av_buf_set_aud_clock_src - Set the audio clock source
1336 * @av_buf: av buffer manager
1337 * @from_ps: flag if the video clock is from ps
1339 * Set the audio clock source based on @from_ps. It can come from either PS or
1343 zynqmp_disp_av_buf_set_aud_clock_src(struct zynqmp_disp_av_buf *av_buf,
1346 u32 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC);
1349 reg |= ZYNQMP_DISP_AV_BUF_CLK_SRC_AUD_FROM_PS;
1351 reg &= ~ZYNQMP_DISP_AV_BUF_CLK_SRC_AUD_FROM_PS;
1352 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_CLK_SRC, reg);
1356 * zynqmp_disp_av_buf_enable_buf - Enable buffers
1357 * @av_buf: av buffer manager
1359 * Enable all (video and audio) buffers.
1362 zynqmp_disp_av_buf_enable_buf(struct zynqmp_disp_av_buf *av_buf)
1366 reg = ZYNQMP_DISP_AV_BUF_CHBUF_EN;
1367 reg |= ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_MAX <<
1368 ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_SHIFT;
1370 for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_VID_GFX_BUFFERS; i++)
1371 zynqmp_disp_write(av_buf->base,
1372 ZYNQMP_DISP_AV_BUF_CHBUF + i * 4, reg);
1374 reg = ZYNQMP_DISP_AV_BUF_CHBUF_EN;
1375 reg |= ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_AUD_MAX <<
1376 ZYNQMP_DISP_AV_BUF_CHBUF_BURST_LEN_SHIFT;
1378 for (; i < ZYNQMP_DISP_AV_BUF_NUM_BUFFERS; i++)
1379 zynqmp_disp_write(av_buf->base,
1380 ZYNQMP_DISP_AV_BUF_CHBUF + i * 4, reg);
1384 * zynqmp_disp_av_buf_disable_buf - Disable buffers
1385 * @av_buf: av buffer manager
1387 * Disable all (video and audio) buffers.
1390 zynqmp_disp_av_buf_disable_buf(struct zynqmp_disp_av_buf *av_buf)
1394 reg = ZYNQMP_DISP_AV_BUF_CHBUF_FLUSH & ~ZYNQMP_DISP_AV_BUF_CHBUF_EN;
1395 for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_BUFFERS; i++)
1396 zynqmp_disp_write(av_buf->base,
1397 ZYNQMP_DISP_AV_BUF_CHBUF + i * 4, reg);
1401 * zynqmp_disp_av_buf_enable_aud - Enable audio
1402 * @av_buf: av buffer manager
1404 * Enable all audio buffers.
1407 zynqmp_disp_av_buf_enable_aud(struct zynqmp_disp_av_buf *av_buf)
1411 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT);
1412 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK;
1413 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MEM;
1414 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN;
1415 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT, reg);
1419 * zynqmp_disp_av_buf_enable - Enable the video pipe
1420 * @av_buf: av buffer manager
1422 * De-assert the video pipe reset
1425 zynqmp_disp_av_buf_enable(struct zynqmp_disp_av_buf *av_buf)
1427 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_SRST_REG, 0);
1431 * zynqmp_disp_av_buf_disable - Disable the video pipe
1432 * @av_buf: av buffer manager
1434 * Assert the video pipe reset
1437 zynqmp_disp_av_buf_disable(struct zynqmp_disp_av_buf *av_buf)
1439 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_SRST_REG,
1440 ZYNQMP_DISP_AV_BUF_SRST_REG_VID_RST);
1444 * zynqmp_disp_av_buf_disable_aud - Disable audio
1445 * @av_buf: av buffer manager
1447 * Disable all audio buffers.
1450 zynqmp_disp_av_buf_disable_aud(struct zynqmp_disp_av_buf *av_buf)
1454 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT);
1455 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK;
1456 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_DISABLE;
1457 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN;
1458 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT, reg);
1462 * zynqmp_disp_av_buf_set_tpg - Set TPG mode
1463 * @av_buf: av buffer manager
1464 * @tpg_on: if TPG should be on
1466 * Set the TPG mode based on @tpg_on.
1468 static void zynqmp_disp_av_buf_set_tpg(struct zynqmp_disp_av_buf *av_buf,
1473 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT);
1474 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK;
1476 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_PATTERN;
1478 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_PATTERN;
1479 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT, reg);
1483 * zynqmp_disp_av_buf_enable_vid - Enable the video layer buffer
1484 * @av_buf: av buffer manager
1485 * @layer: layer to enable
1486 * @mode: operation mode of layer
1488 * Enable the video/graphics buffer for @layer.
1490 static void zynqmp_disp_av_buf_enable_vid(struct zynqmp_disp_av_buf *av_buf,
1491 struct zynqmp_disp_layer *layer,
1492 enum zynqmp_disp_layer_mode mode)
1496 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT);
1497 if (layer->id == ZYNQMP_DISP_LAYER_VID) {
1498 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK;
1499 if (mode == ZYNQMP_DISP_LAYER_NONLIVE)
1500 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MEM;
1502 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_LIVE;
1504 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK;
1505 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM;
1506 if (mode == ZYNQMP_DISP_LAYER_NONLIVE)
1507 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM;
1509 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_LIVE;
1511 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT, reg);
1515 * zynqmp_disp_av_buf_disable_vid - Disable the video layer buffer
1516 * @av_buf: av buffer manager
1517 * @layer: layer to disable
1519 * Disable the video/graphics buffer for @layer.
1522 zynqmp_disp_av_buf_disable_vid(struct zynqmp_disp_av_buf *av_buf,
1523 struct zynqmp_disp_layer *layer)
1527 reg = zynqmp_disp_read(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT);
1528 if (layer->id == ZYNQMP_DISP_LAYER_VID) {
1529 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK;
1530 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_NONE;
1532 reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK;
1533 reg |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_DISABLE;
1535 zynqmp_disp_write(av_buf->base, ZYNQMP_DISP_AV_BUF_OUTPUT, reg);
1539 * zynqmp_disp_av_buf_init_sf - Initialize scaling factors
1540 * @av_buf: av buffer manager
1541 * @vid_fmt: video format descriptor
1542 * @gfx_fmt: graphics format descriptor
1544 * Initialize scaling factors for both video and graphics layers.
1545 * If the format descriptor is NULL, the function skips the programming.
1547 static void zynqmp_disp_av_buf_init_sf(struct zynqmp_disp_av_buf *av_buf,
1548 const struct zynqmp_disp_fmt *vid_fmt,
1549 const struct zynqmp_disp_fmt *gfx_fmt)
1555 offset = ZYNQMP_DISP_AV_BUF_GFX_COMP0_SF;
1556 for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_SF; i++)
1557 zynqmp_disp_write(av_buf->base, offset + i * 4,
1562 offset = ZYNQMP_DISP_AV_BUF_VID_COMP0_SF;
1563 for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_SF; i++)
1564 zynqmp_disp_write(av_buf->base, offset + i * 4,
1570 * zynqmp_disp_av_buf_init_live_sf - Initialize scaling factors for live source
1571 * @av_buf: av buffer manager
1572 * @fmt: format descriptor
1573 * @is_vid: flag if this is for video layer
1575 * Initialize scaling factors for live source.
1577 static void zynqmp_disp_av_buf_init_live_sf(struct zynqmp_disp_av_buf *av_buf,
1578 const struct zynqmp_disp_fmt *fmt,
1585 offset = ZYNQMP_DISP_AV_BUF_LIVE_VID_COMP0_SF;
1587 offset = ZYNQMP_DISP_AV_BUF_LIVE_GFX_COMP0_SF;
1589 for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_SF; i++)
1590 zynqmp_disp_write(av_buf->base, offset + i * 4,
1599 * zynqmp_disp_aud_init - Initialize the audio
1602 * Initialize the audio with default mixer volume. The de-assertion will
1603 * initialize the audio states.
1605 static void zynqmp_disp_aud_init(struct zynqmp_disp_aud *aud)
1607 /* Clear the audio soft reset register as it's an non-reset flop */
1608 zynqmp_disp_write(aud->base, ZYNQMP_DISP_AUD_SOFT_RESET, 0);
1609 zynqmp_disp_write(aud->base, ZYNQMP_DISP_AUD_MIXER_VOLUME,
1610 ZYNQMP_DISP_AUD_MIXER_VOLUME_NO_SCALE);
1614 * zynqmp_disp_aud_deinit - De-initialize the audio
1617 * Put the audio in reset.
1619 static void zynqmp_disp_aud_deinit(struct zynqmp_disp_aud *aud)
1621 zynqmp_disp_set(aud->base, ZYNQMP_DISP_AUD_SOFT_RESET,
1622 ZYNQMP_DISP_AUD_SOFT_RESET_AUD_SRST);
1626 * ZynqMP Display layer functions
1630 * zynqmp_disp_layer_check_size - Verify width and height for the layer
1631 * @disp: Display subsystem
1636 * The Display subsystem has the limitation that both layers should have
1637 * identical size. This function stores width and height of @layer, and verifies
1638 * if the size (width and height) is valid.
1640 * Return: 0 on success, or -EINVAL if width or/and height is invalid.
1642 static int zynqmp_disp_layer_check_size(struct zynqmp_disp *disp,
1643 struct zynqmp_disp_layer *layer,
1644 u32 width, u32 height)
1646 struct zynqmp_disp_layer *other = layer->other;
1648 if (other->enabled && (other->w != width || other->h != height)) {
1649 dev_err(disp->dev, "Layer width:height must be %d:%d\n",
1650 other->w, other->h);
1661 * zynqmp_disp_map_fmt - Find the Display subsystem format for given drm format
1662 * @fmts: format table to look up
1663 * @size: size of the table @fmts
1664 * @drm_fmt: DRM format to search
1666 * Search a Display subsystem format corresponding to the given DRM format
1667 * @drm_fmt, and return the format descriptor which contains the Display
1668 * subsystem format value.
1670 * Return: a Display subsystem format descriptor on success, or NULL.
1672 static const struct zynqmp_disp_fmt *
1673 zynqmp_disp_map_fmt(const struct zynqmp_disp_fmt fmts[],
1674 unsigned int size, uint32_t drm_fmt)
1678 for (i = 0; i < size; i++)
1679 if (fmts[i].drm_fmt == drm_fmt)
1686 * zynqmp_disp_set_fmt - Set the format of the layer
1687 * @disp: Display subsystem
1688 * @layer: layer to set the format
1689 * @drm_fmt: DRM format to set
1691 * Set the format of the given layer to @drm_fmt.
1693 * Return: 0 on success. -EINVAL if @drm_fmt is not supported by the layer.
1695 static int zynqmp_disp_layer_set_fmt(struct zynqmp_disp *disp,
1696 struct zynqmp_disp_layer *layer,
1699 const struct zynqmp_disp_fmt *fmt;
1700 const struct zynqmp_disp_fmt *vid_fmt = NULL, *gfx_fmt = NULL;
1701 u32 size, fmts, mask;
1703 if (layer->id == ZYNQMP_DISP_LAYER_VID) {
1704 size = ARRAY_SIZE(av_buf_vid_fmts);
1705 mask = ~ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MASK;
1706 fmt = zynqmp_disp_map_fmt(av_buf_vid_fmts, size, drm_fmt);
1709 size = ARRAY_SIZE(av_buf_gfx_fmts);
1710 mask = ~ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_MASK;
1711 fmt = zynqmp_disp_map_fmt(av_buf_gfx_fmts, size, drm_fmt);
1718 fmts = zynqmp_disp_av_buf_get_fmt(&disp->av_buf);
1720 fmts |= fmt->disp_fmt;
1721 zynqmp_disp_av_buf_set_fmt(&disp->av_buf, fmts);
1722 zynqmp_disp_av_buf_init_sf(&disp->av_buf, vid_fmt, gfx_fmt);
1729 * zynqmp_disp_map_live_fmt - Find the hardware format for given bus format
1730 * @fmts: format table to look up
1731 * @size: size of the table @fmts
1732 * @bus_fmt: bus format to search
1734 * Search a Display subsystem format corresponding to the given bus format
1735 * @bus_fmt, and return the format descriptor which contains the Display
1736 * subsystem format value.
1738 * Return: a Display subsystem format descriptor on success, or NULL.
1740 static const struct zynqmp_disp_fmt *
1741 zynqmp_disp_map_live_fmt(const struct zynqmp_disp_fmt fmts[],
1742 unsigned int size, uint32_t bus_fmt)
1746 for (i = 0; i < size; i++)
1747 if (fmts[i].bus_fmt == bus_fmt)
1754 * zynqmp_disp_set_live_fmt - Set the live format of the layer
1755 * @disp: Display subsystem
1756 * @layer: layer to set the format
1757 * @bus_fmt: bus format to set
1759 * Set the live format of the given layer to @live_fmt.
1761 * Return: 0 on success. -EINVAL if @bus_fmt is not supported by the layer.
1763 static int zynqmp_disp_layer_set_live_fmt(struct zynqmp_disp *disp,
1764 struct zynqmp_disp_layer *layer,
1767 const struct zynqmp_disp_fmt *fmt;
1769 bool is_vid = layer->id == ZYNQMP_DISP_LAYER_VID;
1771 size = ARRAY_SIZE(av_buf_live_fmts);
1772 fmt = zynqmp_disp_map_live_fmt(av_buf_live_fmts, size, bus_fmt);
1776 zynqmp_disp_av_buf_set_live_fmt(&disp->av_buf, fmt->disp_fmt, is_vid);
1777 zynqmp_disp_av_buf_init_live_sf(&disp->av_buf, fmt, is_vid);
1784 * zynqmp_disp_set_tpg - Enable or disable TPG
1785 * @disp: Display subsystem
1786 * @layer: Video layer
1787 * @tpg_on: flag if TPG needs to be enabled or disabled
1789 * Enable / disable the TPG mode on the video layer @layer depending on
1790 * @tpg_on. The video layer should be disabled prior to enable request.
1792 * Return: 0 on success. -ENODEV if it's not video layer. -EIO if
1793 * the video layer is enabled.
1795 static int zynqmp_disp_layer_set_tpg(struct zynqmp_disp *disp,
1796 struct zynqmp_disp_layer *layer,
1799 if (layer->id != ZYNQMP_DISP_LAYER_VID) {
1801 "only the video layer has the tpg mode\n");
1805 if (layer->enabled) {
1807 "the video layer should be disabled for tpg mode\n");
1811 zynqmp_disp_blend_layer_coeff(&disp->blend, layer, tpg_on);
1812 zynqmp_disp_av_buf_set_tpg(&disp->av_buf, tpg_on);
1813 disp->tpg_on = tpg_on;
1819 * zynqmp_disp_get_tpg - Get the TPG mode status
1820 * @disp: Display subsystem
1821 * @layer: Video layer
1823 * Return if the TPG is enabled or not.
1825 * Return: true if TPG is on, otherwise false
1827 static bool zynqmp_disp_layer_get_tpg(struct zynqmp_disp *disp,
1828 struct zynqmp_disp_layer *layer)
1830 return disp->tpg_on;
1834 * zynqmp_disp_get_fmt - Get the supported DRM formats of the layer
1835 * @disp: Display subsystem
1836 * @layer: layer to get the formats
1837 * @drm_fmts: pointer to array of DRM format strings
1838 * @num_fmts: pointer to number of returned DRM formats
1840 * Get the supported DRM formats of the given layer.
1842 static void zynqmp_disp_layer_get_fmts(struct zynqmp_disp *disp,
1843 struct zynqmp_disp_layer *layer,
1844 u32 **drm_fmts, unsigned int *num_fmts)
1846 *drm_fmts = layer->drm_fmts;
1847 *num_fmts = layer->num_fmts;
1851 * zynqmp_disp_layer_enable - Enable the layer
1852 * @disp: Display subsystem
1853 * @layer: layer to esable
1854 * @mode: operation mode
1856 * Enable the layer @layer.
1858 * Return: 0 on success, otherwise error code.
1860 static int zynqmp_disp_layer_enable(struct zynqmp_disp *disp,
1861 struct zynqmp_disp_layer *layer,
1862 enum zynqmp_disp_layer_mode mode)
1864 struct device *dev = disp->dev;
1865 struct dma_async_tx_descriptor *desc;
1866 enum dma_ctrl_flags flags;
1869 if (layer->enabled && layer->mode != mode) {
1870 dev_err(dev, "layer is already enabled in different mode\n");
1874 zynqmp_disp_av_buf_enable_vid(&disp->av_buf, layer, mode);
1875 zynqmp_disp_blend_layer_enable(&disp->blend, layer);
1877 layer->enabled = true;
1880 if (mode == ZYNQMP_DISP_LAYER_LIVE)
1883 for (i = 0; i < ZYNQMP_DISP_MAX_NUM_SUB_PLANES; i++) {
1884 struct zynqmp_disp_layer_dma *dma = &layer->dma[i];
1886 if (dma->chan && dma->is_active) {
1887 flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
1888 desc = dmaengine_prep_interleaved_dma(dma->chan,
1891 dev_err(dev, "failed to prep DMA descriptor\n");
1895 dmaengine_submit(desc);
1896 dma_async_issue_pending(dma->chan);
1904 * zynqmp_disp_layer_disable - Disable the layer
1905 * @disp: Display subsystem
1906 * @layer: layer to disable
1907 * @mode: operation mode
1909 * Disable the layer @layer.
1911 * Return: 0 on success, or -EBUSY if the layer is in different mode.
1913 static int zynqmp_disp_layer_disable(struct zynqmp_disp *disp,
1914 struct zynqmp_disp_layer *layer,
1915 enum zynqmp_disp_layer_mode mode)
1917 struct device *dev = disp->dev;
1920 if (layer->mode != mode) {
1921 dev_err(dev, "the layer is operating in different mode\n");
1925 for (i = 0; i < ZYNQMP_DISP_MAX_NUM_SUB_PLANES; i++)
1926 if (layer->dma[i].chan && layer->dma[i].is_active)
1927 dmaengine_terminate_sync(layer->dma[i].chan);
1929 zynqmp_disp_av_buf_disable_vid(&disp->av_buf, layer);
1930 zynqmp_disp_blend_layer_disable(&disp->blend, layer);
1931 layer->enabled = false;
1937 * zynqmp_disp_layer_request_dma - Request DMA channels for a layer
1938 * @disp: Display subsystem
1939 * @layer: layer to request DMA channels
1940 * @name: identifier string for layer type
1942 * Request DMA engine channels for corresponding layer.
1944 * Return: 0 on success, or err value from of_dma_request_slave_channel().
1947 zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp,
1948 struct zynqmp_disp_layer *layer, const char *name)
1950 struct zynqmp_disp_layer_dma *dma;
1954 for (i = 0; i < layer->num_chan; i++) {
1957 dma = &layer->dma[i];
1958 snprintf(temp, sizeof(temp), "%s%d", name, i);
1959 dma->chan = of_dma_request_slave_channel(layer->of_node,
1961 if (IS_ERR(dma->chan)) {
1962 dev_err(disp->dev, "failed to request dma channel\n");
1963 ret = PTR_ERR(dma->chan);
1973 * zynqmp_disp_layer_release_dma - Release DMA channels for a layer
1974 * @disp: Display subsystem
1975 * @layer: layer to release DMA channels
1977 * Release the dma channels associated with @layer.
1979 static void zynqmp_disp_layer_release_dma(struct zynqmp_disp *disp,
1980 struct zynqmp_disp_layer *layer)
1984 for (i = 0; i < layer->num_chan; i++) {
1985 if (layer->dma[i].chan) {
1986 /* Make sure the channel is terminated before release */
1987 dmaengine_terminate_all(layer->dma[i].chan);
1988 dma_release_channel(layer->dma[i].chan);
1994 * zynqmp_disp_layer_is_live - if any layer is live
1995 * @disp: Display subsystem
1997 * Return: true if any layer is live
1999 static bool zynqmp_disp_layer_is_live(struct zynqmp_disp *disp)
2003 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2004 if (disp->layers[i].enabled &&
2005 disp->layers[i].mode == ZYNQMP_DISP_LAYER_LIVE)
2013 * zynqmp_disp_layer_is_enabled - if any layer is enabled
2014 * @disp: Display subsystem
2016 * Return: true if any layer is enabled
2018 static bool zynqmp_disp_layer_is_enabled(struct zynqmp_disp *disp)
2022 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++)
2023 if (disp->layers[i].enabled)
2030 * zynqmp_disp_layer_destroy - Destroy all layers
2031 * @disp: Display subsystem
2033 * Destroy all layers.
2035 static void zynqmp_disp_layer_destroy(struct zynqmp_disp *disp)
2039 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2040 zynqmp_disp_layer_release_dma(disp, &disp->layers[i]);
2041 if (disp->layers[i].of_node)
2042 of_node_put(disp->layers[i].of_node);
2047 * zynqmp_disp_layer_create - Create all layers
2048 * @disp: Display subsystem
2050 * Create all layers.
2052 * Return: 0 on success, otherwise error code from failed function
2054 static int zynqmp_disp_layer_create(struct zynqmp_disp *disp)
2056 struct zynqmp_disp_layer *layer;
2058 int num_chans[ZYNQMP_DISP_NUM_LAYERS] = { 3, 1 };
2059 const char * const dma_name[] = { "vid", "gfx" };
2062 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2065 layer = &disp->layers[i];
2067 layer->offset = i * 4;
2068 layer->other = &disp->layers[!i];
2069 layer->num_chan = num_chans[i];
2070 snprintf(temp, sizeof(temp), "%s-layer", dma_name[i]);
2071 layer->of_node = of_get_child_by_name(disp->dev->of_node, temp);
2072 if (!layer->of_node)
2074 ret = zynqmp_disp_layer_request_dma(disp, layer, dma_name[i]);
2083 zynqmp_disp_layer_destroy(disp);
2088 * ZynqMP Display internal functions
2092 * Output format enumeration.
2093 * The ID should be aligned with blend_output_fmts.
2094 * The string should be aligned with how zynqmp_dp_set_color() decodes.
2096 static struct drm_prop_enum_list zynqmp_disp_color_enum[] = {
2104 * zynqmp_disp_set_output_fmt - Set the output format
2105 * @disp: Display subsystem
2106 * @id: the format ID. Refer to zynqmp_disp_color_enum[].
2108 * This function sets the output format of the display / blender as well as
2109 * the format of DP controller. The @id should be aligned with
2110 * zynqmp_disp_color_enum.
2113 zynqmp_disp_set_output_fmt(struct zynqmp_disp *disp, unsigned int id)
2115 const struct zynqmp_disp_fmt *fmt = &blend_output_fmts[id];
2117 zynqmp_dp_set_color(disp->dpsub->dp, zynqmp_disp_color_enum[id].name);
2118 zynqmp_disp_blend_set_output_fmt(&disp->blend, fmt->disp_fmt);
2122 * zynqmp_disp_set_bg_color - Set the background color
2123 * @disp: Display subsystem
2124 * @c0: color component 0
2125 * @c1: color component 1
2126 * @c2: color component 2
2128 * Set the background color with given color components (@c0, @c1, @c2).
2130 static void zynqmp_disp_set_bg_color(struct zynqmp_disp *disp,
2131 u32 c0, u32 c1, u32 c2)
2133 zynqmp_disp_blend_set_bg_color(&disp->blend, c0, c1, c2);
2137 * zynqmp_disp_set_alpha - Set the alpha value
2138 * @disp: Display subsystem
2139 * @alpha: alpha value to set
2141 * Set the alpha value for blending.
2143 static void zynqmp_disp_set_alpha(struct zynqmp_disp *disp, u32 alpha)
2145 disp->alpha = alpha;
2146 zynqmp_disp_blend_set_alpha(&disp->blend, alpha);
2150 * zynqmp_disp_get_alpha - Get the alpha value
2151 * @disp: Display subsystem
2153 * Get the alpha value for blending.
2155 * Return: current alpha value.
2157 static u32 zynqmp_disp_get_alpha(struct zynqmp_disp *disp)
2163 * zynqmp_disp_set_g_alpha - Enable/disable the global alpha blending
2164 * @disp: Display subsystem
2165 * @enable: flag to enable or disable alpha blending
2167 * Set the alpha value for blending.
2169 static void zynqmp_disp_set_g_alpha(struct zynqmp_disp *disp, bool enable)
2171 disp->alpha_en = enable;
2172 zynqmp_disp_blend_enable_alpha(&disp->blend, enable);
2176 * zynqmp_disp_get_g_alpha - Get the global alpha status
2177 * @disp: Display subsystem
2179 * Get the global alpha statue.
2181 * Return: true if global alpha is enabled, or false.
2183 static bool zynqmp_disp_get_g_alpha(struct zynqmp_disp *disp)
2185 return disp->alpha_en;
2189 * zynqmp_disp_enable - Enable the Display subsystem
2190 * @disp: Display subsystem
2192 * Enable the Display subsystem.
2194 static void zynqmp_disp_enable(struct zynqmp_disp *disp)
2201 zynqmp_disp_av_buf_enable(&disp->av_buf);
2202 /* Choose clock source based on the DT clock handle */
2203 zynqmp_disp_av_buf_set_vid_clock_src(&disp->av_buf, !!disp->_ps_pclk);
2204 zynqmp_disp_av_buf_set_aud_clock_src(&disp->av_buf, !!disp->_ps_audclk);
2205 live = zynqmp_disp_layer_is_live(disp);
2206 zynqmp_disp_av_buf_set_vid_timing_src(&disp->av_buf, !live);
2207 zynqmp_disp_av_buf_enable_buf(&disp->av_buf);
2208 zynqmp_disp_av_buf_enable_aud(&disp->av_buf);
2209 zynqmp_disp_aud_init(&disp->aud);
2210 disp->enabled = true;
2214 * zynqmp_disp_disable - Disable the Display subsystem
2215 * @disp: Display subsystem
2216 * @force: flag to disable forcefully
2218 * Disable the Display subsystem.
2220 static void zynqmp_disp_disable(struct zynqmp_disp *disp, bool force)
2222 struct drm_crtc *crtc = &disp->xlnx_crtc.crtc;
2224 if (!force && (!disp->enabled || zynqmp_disp_layer_is_enabled(disp)))
2227 zynqmp_disp_aud_deinit(&disp->aud);
2228 zynqmp_disp_av_buf_disable_aud(&disp->av_buf);
2229 zynqmp_disp_av_buf_disable_buf(&disp->av_buf);
2230 zynqmp_disp_av_buf_disable(&disp->av_buf);
2232 /* Mark the flip is done as crtc is disabled anyway */
2233 if (crtc->state->event) {
2234 complete_all(crtc->state->event->base.completion);
2235 crtc->state->event = NULL;
2238 disp->enabled = false;
2242 * zynqmp_disp_init - Initialize the Display subsystem states
2243 * @disp: Display subsystem
2245 * Some states are not initialized as desired. For example, the output select
2246 * register resets to the live source. This function is to initialize
2247 * some register states as desired.
2249 static void zynqmp_disp_init(struct zynqmp_disp *disp)
2251 struct zynqmp_disp_layer *layer;
2254 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2255 layer = &disp->layers[i];
2256 zynqmp_disp_av_buf_disable_vid(&disp->av_buf, layer);
2261 * ZynqMP Display external functions for zynqmp_dp
2265 * zynqmp_disp_handle_vblank - Handle the vblank event
2266 * @disp: Display subsystem
2268 * This function handles the vblank interrupt, and sends an event to
2269 * CRTC object. This will be called by the DP vblank interrupt handler.
2271 void zynqmp_disp_handle_vblank(struct zynqmp_disp *disp)
2273 struct drm_crtc *crtc = &disp->xlnx_crtc.crtc;
2275 drm_crtc_handle_vblank(crtc);
2279 * zynqmp_disp_get_apb_clk_rate - Get the current APB clock rate
2280 * @disp: Display subsystem
2282 * Return: the current APB clock rate.
2284 unsigned int zynqmp_disp_get_apb_clk_rate(struct zynqmp_disp *disp)
2286 return clk_get_rate(disp->aclk);
2290 * zynqmp_disp_aud_enabled - If the audio is enabled
2291 * @disp: Display subsystem
2293 * Return if the audio is enabled depending on the audio clock.
2295 * Return: true if audio is enabled, or false.
2297 bool zynqmp_disp_aud_enabled(struct zynqmp_disp *disp)
2299 return !!disp->audclk;
2303 * zynqmp_disp_get_aud_clk_rate - Get the current audio clock rate
2304 * @disp: Display subsystem
2306 * Return: the current audio clock rate.
2308 unsigned int zynqmp_disp_get_aud_clk_rate(struct zynqmp_disp *disp)
2310 if (zynqmp_disp_aud_enabled(disp))
2312 return clk_get_rate(disp->aclk);
2316 * zynqmp_disp_get_crtc_mask - Return the CRTC bit mask
2317 * @disp: Display subsystem
2319 * Return: the crtc mask of the zyqnmp_disp CRTC.
2321 uint32_t zynqmp_disp_get_crtc_mask(struct zynqmp_disp *disp)
2323 return drm_crtc_mask(&disp->xlnx_crtc.crtc);
2327 * Xlnx bridge functions
2330 static inline struct zynqmp_disp_layer
2331 *bridge_to_layer(struct xlnx_bridge *bridge)
2333 return container_of(bridge, struct zynqmp_disp_layer, bridge);
2336 static int zynqmp_disp_bridge_enable(struct xlnx_bridge *bridge)
2338 struct zynqmp_disp_layer *layer = bridge_to_layer(bridge);
2339 struct zynqmp_disp *disp = layer->disp;
2342 if (!disp->_pl_pclk) {
2343 dev_err(disp->dev, "PL clock is required for live\n");
2347 ret = zynqmp_disp_layer_check_size(disp, layer, layer->w, layer->h);
2351 zynqmp_disp_set_g_alpha(disp, disp->alpha_en);
2352 zynqmp_disp_set_alpha(disp, disp->alpha);
2353 ret = zynqmp_disp_layer_enable(layer->disp, layer,
2354 ZYNQMP_DISP_LAYER_LIVE);
2358 if (layer->id == ZYNQMP_DISP_LAYER_GFX && disp->tpg_on) {
2359 layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
2360 zynqmp_disp_layer_set_tpg(disp, layer, disp->tpg_on);
2363 if (zynqmp_disp_av_buf_vid_timing_src_is_int(&disp->av_buf) ||
2364 zynqmp_disp_av_buf_vid_clock_src_is_ps(&disp->av_buf)) {
2366 "Disabling the pipeline to change the clk/timing src");
2367 zynqmp_disp_disable(disp, true);
2368 zynqmp_disp_av_buf_set_vid_clock_src(&disp->av_buf, false);
2369 zynqmp_disp_av_buf_set_vid_timing_src(&disp->av_buf, false);
2372 zynqmp_disp_enable(disp);
2377 static void zynqmp_disp_bridge_disable(struct xlnx_bridge *bridge)
2379 struct zynqmp_disp_layer *layer = bridge_to_layer(bridge);
2380 struct zynqmp_disp *disp = layer->disp;
2382 zynqmp_disp_disable(disp, false);
2384 zynqmp_disp_layer_disable(disp, layer, ZYNQMP_DISP_LAYER_LIVE);
2385 if (layer->id == ZYNQMP_DISP_LAYER_VID && disp->tpg_on)
2386 zynqmp_disp_layer_set_tpg(disp, layer, disp->tpg_on);
2388 if (!zynqmp_disp_layer_is_live(disp)) {
2390 "Disabling the pipeline to change the clk/timing src");
2391 zynqmp_disp_disable(disp, true);
2392 zynqmp_disp_av_buf_set_vid_clock_src(&disp->av_buf, true);
2393 zynqmp_disp_av_buf_set_vid_timing_src(&disp->av_buf, true);
2394 if (zynqmp_disp_layer_is_enabled(disp))
2395 zynqmp_disp_enable(disp);
2399 static int zynqmp_disp_bridge_set_input(struct xlnx_bridge *bridge,
2400 u32 width, u32 height, u32 bus_fmt)
2402 struct zynqmp_disp_layer *layer = bridge_to_layer(bridge);
2405 ret = zynqmp_disp_layer_check_size(layer->disp, layer, width, height);
2409 ret = zynqmp_disp_layer_set_live_fmt(layer->disp, layer, bus_fmt);
2411 dev_err(layer->disp->dev, "failed to set live fmt\n");
2416 static int zynqmp_disp_bridge_get_input_fmts(struct xlnx_bridge *bridge,
2417 const u32 **fmts, u32 *count)
2419 struct zynqmp_disp_layer *layer = bridge_to_layer(bridge);
2421 *fmts = layer->bus_fmts;
2422 *count = layer->num_bus_fmts;
2428 * DRM plane functions
2431 static inline struct zynqmp_disp_layer *plane_to_layer(struct drm_plane *plane)
2433 return container_of(plane, struct zynqmp_disp_layer, plane);
2436 static int zynqmp_disp_plane_enable(struct drm_plane *plane)
2438 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2439 struct zynqmp_disp *disp = layer->disp;
2442 zynqmp_disp_set_g_alpha(disp, disp->alpha_en);
2443 zynqmp_disp_set_alpha(disp, disp->alpha);
2444 ret = zynqmp_disp_layer_enable(layer->disp, layer,
2445 ZYNQMP_DISP_LAYER_NONLIVE);
2449 if (layer->id == ZYNQMP_DISP_LAYER_GFX && disp->tpg_on) {
2450 layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
2451 zynqmp_disp_layer_set_tpg(disp, layer, disp->tpg_on);
2457 static int zynqmp_disp_plane_disable(struct drm_plane *plane)
2459 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2460 struct zynqmp_disp *disp = layer->disp;
2462 zynqmp_disp_layer_disable(disp, layer, ZYNQMP_DISP_LAYER_NONLIVE);
2463 if (layer->id == ZYNQMP_DISP_LAYER_VID && disp->tpg_on)
2464 zynqmp_disp_layer_set_tpg(disp, layer, disp->tpg_on);
2469 static int zynqmp_disp_plane_mode_set(struct drm_plane *plane,
2470 struct drm_framebuffer *fb,
2471 int crtc_x, int crtc_y,
2472 unsigned int crtc_w, unsigned int crtc_h,
2473 u32 src_x, u32 src_y,
2474 u32 src_w, u32 src_h)
2476 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2477 const struct drm_format_info *info = fb->format;
2478 struct drm_format_name_buf format_name;
2479 struct device *dev = layer->disp->dev;
2485 dev_err(dev, "No format info found\n");
2489 ret = zynqmp_disp_layer_check_size(layer->disp, layer, src_w, src_h);
2493 for (i = 0; i < info->num_planes; i++) {
2494 unsigned int width = src_w / (i ? info->hsub : 1);
2495 unsigned int height = src_h / (i ? info->vsub : 1);
2498 paddr = drm_fb_cma_get_gem_addr(fb, plane->state, i);
2500 dev_err(dev, "failed to get a paddr\n");
2504 layer->dma[i].xt.numf = height;
2505 width_bytes = drm_format_plane_width_bytes(info, i, width);
2506 layer->dma[i].sgl[0].size = width_bytes;
2507 layer->dma[i].sgl[0].icg = fb->pitches[i] -
2508 layer->dma[i].sgl[0].size;
2509 layer->dma[i].xt.src_start = paddr;
2510 layer->dma[i].xt.frame_size = 1;
2511 layer->dma[i].xt.dir = DMA_MEM_TO_DEV;
2512 layer->dma[i].xt.src_sgl = true;
2513 layer->dma[i].xt.dst_sgl = false;
2514 layer->dma[i].is_active = true;
2517 for (; i < ZYNQMP_DISP_MAX_NUM_SUB_PLANES; i++)
2518 layer->dma[i].is_active = false;
2520 ret = zynqmp_disp_layer_set_fmt(layer->disp, layer, info->format);
2522 dev_err(dev, "failed to set dp_sub layer fmt\n");
2527 static void zynqmp_disp_plane_destroy(struct drm_plane *plane)
2529 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2531 xlnx_bridge_unregister(&layer->bridge);
2532 drm_plane_cleanup(plane);
2536 zynqmp_disp_plane_atomic_set_property(struct drm_plane *plane,
2537 struct drm_plane_state *state,
2538 struct drm_property *property, u64 val)
2540 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2541 struct zynqmp_disp *disp = layer->disp;
2544 if (property == disp->g_alpha_prop)
2545 zynqmp_disp_set_alpha(disp, val);
2546 else if (property == disp->g_alpha_en_prop)
2547 zynqmp_disp_set_g_alpha(disp, val);
2548 else if (property == disp->tpg_prop)
2549 ret = zynqmp_disp_layer_set_tpg(disp, layer, val);
2557 zynqmp_disp_plane_atomic_get_property(struct drm_plane *plane,
2558 const struct drm_plane_state *state,
2559 struct drm_property *property,
2562 struct zynqmp_disp_layer *layer = plane_to_layer(plane);
2563 struct zynqmp_disp *disp = layer->disp;
2566 if (property == disp->g_alpha_prop)
2567 *val = zynqmp_disp_get_alpha(disp);
2568 else if (property == disp->g_alpha_en_prop)
2569 *val = zynqmp_disp_get_g_alpha(disp);
2570 else if (property == disp->tpg_prop)
2571 *val = zynqmp_disp_layer_get_tpg(disp, layer);
2579 zynqmp_disp_plane_atomic_update_plane(struct drm_plane *plane,
2580 struct drm_crtc *crtc,
2581 struct drm_framebuffer *fb,
2582 int crtc_x, int crtc_y,
2583 unsigned int crtc_w, unsigned int crtc_h,
2584 u32 src_x, u32 src_y,
2585 u32 src_w, u32 src_h,
2586 struct drm_modeset_acquire_ctx *ctx)
2588 struct drm_atomic_state *state;
2589 struct drm_plane_state *plane_state;
2592 state = drm_atomic_state_alloc(plane->dev);
2596 state->acquire_ctx = ctx;
2597 plane_state = drm_atomic_get_plane_state(state, plane);
2598 if (IS_ERR(plane_state)) {
2599 ret = PTR_ERR(plane_state);
2603 ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
2606 drm_atomic_set_fb_for_plane(plane_state, fb);
2607 plane_state->crtc_x = crtc_x;
2608 plane_state->crtc_y = crtc_y;
2609 plane_state->crtc_w = crtc_w;
2610 plane_state->crtc_h = crtc_h;
2611 plane_state->src_x = src_x;
2612 plane_state->src_y = src_y;
2613 plane_state->src_w = src_w;
2614 plane_state->src_h = src_h;
2616 if (plane == crtc->cursor)
2617 state->legacy_cursor_update = true;
2619 /* Do async-update if possible */
2620 state->async_update = !drm_atomic_helper_async_check(plane->dev, state);
2621 ret = drm_atomic_commit(state);
2623 drm_atomic_state_put(state);
2627 static struct drm_plane_funcs zynqmp_disp_plane_funcs = {
2628 .update_plane = zynqmp_disp_plane_atomic_update_plane,
2629 .disable_plane = drm_atomic_helper_disable_plane,
2630 .atomic_set_property = zynqmp_disp_plane_atomic_set_property,
2631 .atomic_get_property = zynqmp_disp_plane_atomic_get_property,
2632 .destroy = zynqmp_disp_plane_destroy,
2633 .reset = drm_atomic_helper_plane_reset,
2634 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
2635 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
2639 zynqmp_disp_plane_atomic_update(struct drm_plane *plane,
2640 struct drm_plane_state *old_state)
2644 if (!plane->state->crtc || !plane->state->fb)
2647 if (old_state->fb &&
2648 old_state->fb->format->format != plane->state->fb->format->format)
2649 zynqmp_disp_plane_disable(plane);
2651 ret = zynqmp_disp_plane_mode_set(plane, plane->state->fb,
2652 plane->state->crtc_x,
2653 plane->state->crtc_y,
2654 plane->state->crtc_w,
2655 plane->state->crtc_h,
2656 plane->state->src_x >> 16,
2657 plane->state->src_y >> 16,
2658 plane->state->src_w >> 16,
2659 plane->state->src_h >> 16);
2663 zynqmp_disp_plane_enable(plane);
2667 zynqmp_disp_plane_atomic_disable(struct drm_plane *plane,
2668 struct drm_plane_state *old_state)
2670 zynqmp_disp_plane_disable(plane);
2673 static int zynqmp_disp_plane_atomic_async_check(struct drm_plane *plane,
2674 struct drm_plane_state *state)
2680 zynqmp_disp_plane_atomic_async_update(struct drm_plane *plane,
2681 struct drm_plane_state *new_state)
2683 struct drm_plane_state *old_state =
2684 drm_atomic_get_old_plane_state(new_state->state, plane);
2686 if (plane->state->fb == new_state->fb)
2689 /* Update the current state with new configurations */
2690 drm_atomic_set_fb_for_plane(plane->state, new_state->fb);
2691 plane->state->crtc = new_state->crtc;
2692 plane->state->crtc_x = new_state->crtc_x;
2693 plane->state->crtc_y = new_state->crtc_y;
2694 plane->state->crtc_w = new_state->crtc_w;
2695 plane->state->crtc_h = new_state->crtc_h;
2696 plane->state->src_x = new_state->src_x;
2697 plane->state->src_y = new_state->src_y;
2698 plane->state->src_w = new_state->src_w;
2699 plane->state->src_h = new_state->src_h;
2700 plane->state->state = new_state->state;
2702 zynqmp_disp_plane_atomic_update(plane, old_state);
2705 static const struct drm_plane_helper_funcs zynqmp_disp_plane_helper_funcs = {
2706 .atomic_update = zynqmp_disp_plane_atomic_update,
2707 .atomic_disable = zynqmp_disp_plane_atomic_disable,
2708 .atomic_async_check = zynqmp_disp_plane_atomic_async_check,
2709 .atomic_async_update = zynqmp_disp_plane_atomic_async_update,
2712 static int zynqmp_disp_create_plane(struct zynqmp_disp *disp)
2714 struct zynqmp_disp_layer *layer;
2717 unsigned int num_fmts = 0;
2718 enum drm_plane_type type;
2721 /* graphics layer is primary, and video layer is overaly */
2722 type = DRM_PLANE_TYPE_OVERLAY;
2723 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2724 layer = &disp->layers[i];
2725 zynqmp_disp_layer_get_fmts(disp, layer, &fmts, &num_fmts);
2726 ret = drm_universal_plane_init(disp->drm, &layer->plane, 0,
2727 &zynqmp_disp_plane_funcs, fmts,
2728 num_fmts, NULL, type, NULL);
2731 drm_plane_helper_add(&layer->plane,
2732 &zynqmp_disp_plane_helper_funcs);
2733 type = DRM_PLANE_TYPE_PRIMARY;
2736 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
2737 layer = &disp->layers[i];
2738 layer->bridge.enable = &zynqmp_disp_bridge_enable;
2739 layer->bridge.disable = &zynqmp_disp_bridge_disable;
2740 layer->bridge.set_input = &zynqmp_disp_bridge_set_input;
2741 layer->bridge.get_input_fmts =
2742 &zynqmp_disp_bridge_get_input_fmts;
2743 layer->bridge.of_node = layer->of_node;
2744 xlnx_bridge_register(&layer->bridge);
2747 /* Attach properties to each layers */
2748 drm_object_attach_property(&layer->plane.base, disp->g_alpha_prop,
2749 ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX);
2750 disp->alpha = ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX;
2751 /* Enable the global alpha as default */
2752 drm_object_attach_property(&layer->plane.base, disp->g_alpha_en_prop,
2754 disp->alpha_en = true;
2756 layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
2757 drm_object_attach_property(&layer->plane.base, disp->tpg_prop, false);
2763 drm_plane_cleanup(&disp->layers[0].plane);
2767 static void zynqmp_disp_destroy_plane(struct zynqmp_disp *disp)
2771 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++)
2772 zynqmp_disp_plane_destroy(&disp->layers[i].plane);
2776 * Xlnx crtc functions
2779 static inline struct zynqmp_disp *xlnx_crtc_to_disp(struct xlnx_crtc *xlnx_crtc)
2781 return container_of(xlnx_crtc, struct zynqmp_disp, xlnx_crtc);
2784 static int zynqmp_disp_get_max_width(struct xlnx_crtc *xlnx_crtc)
2786 return ZYNQMP_DISP_MAX_WIDTH;
2789 static int zynqmp_disp_get_max_height(struct xlnx_crtc *xlnx_crtc)
2791 return ZYNQMP_DISP_MAX_HEIGHT;
2794 static uint32_t zynqmp_disp_get_format(struct xlnx_crtc *xlnx_crtc)
2796 struct zynqmp_disp *disp = xlnx_crtc_to_disp(xlnx_crtc);
2798 return disp->layers[ZYNQMP_DISP_LAYER_GFX].fmt->drm_fmt;
2801 static unsigned int zynqmp_disp_get_align(struct xlnx_crtc *xlnx_crtc)
2803 struct zynqmp_disp *disp = xlnx_crtc_to_disp(xlnx_crtc);
2804 struct zynqmp_disp_layer *layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
2806 return 1 << layer->dma->chan->device->copy_align;
2809 static u64 zynqmp_disp_get_dma_mask(struct xlnx_crtc *xlnx_crtc)
2811 return DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT);
2815 * DRM crtc functions
2818 static inline struct zynqmp_disp *crtc_to_disp(struct drm_crtc *crtc)
2820 struct xlnx_crtc *xlnx_crtc = to_xlnx_crtc(crtc);
2822 return xlnx_crtc_to_disp(xlnx_crtc);
2825 static int zynqmp_disp_crtc_mode_set(struct drm_crtc *crtc,
2826 struct drm_display_mode *mode,
2827 struct drm_display_mode *adjusted_mode,
2829 struct drm_framebuffer *old_fb)
2831 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2836 zynqmp_disp_clk_disable(disp->pclk, &disp->pclk_en);
2837 ret = clk_set_rate(disp->pclk, adjusted_mode->clock * 1000);
2839 dev_err(disp->dev, "failed to set a pixel clock\n");
2843 rate = clk_get_rate(disp->pclk);
2844 diff = rate - adjusted_mode->clock * 1000;
2845 if (abs(diff) > (adjusted_mode->clock * 1000) / 20) {
2846 dev_info(disp->dev, "request pixel rate: %d actual rate: %lu\n",
2847 adjusted_mode->clock, rate);
2849 dev_dbg(disp->dev, "request pixel rate: %d actual rate: %lu\n",
2850 adjusted_mode->clock, rate);
2853 /* The timing register should be programmed always */
2854 zynqmp_dp_encoder_mode_set_stream(disp->dpsub->dp, adjusted_mode);
2860 zynqmp_disp_crtc_atomic_enable(struct drm_crtc *crtc,
2861 struct drm_crtc_state *old_crtc_state)
2863 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2864 struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
2867 zynqmp_disp_crtc_mode_set(crtc, &crtc->state->mode,
2868 adjusted_mode, crtc->x, crtc->y, NULL);
2870 pm_runtime_get_sync(disp->dev);
2871 ret = zynqmp_disp_clk_enable(disp->pclk, &disp->pclk_en);
2873 dev_err(disp->dev, "failed to enable a pixel clock\n");
2876 zynqmp_disp_set_output_fmt(disp, disp->color);
2877 zynqmp_disp_set_bg_color(disp, disp->bg_c0, disp->bg_c1, disp->bg_c2);
2878 zynqmp_disp_enable(disp);
2879 /* Delay of 3 vblank intervals for timing gen to be stable */
2880 vrefresh = (adjusted_mode->clock * 1000) /
2881 (adjusted_mode->vtotal * adjusted_mode->htotal);
2882 msleep(3 * 1000 / vrefresh);
2886 zynqmp_disp_crtc_atomic_disable(struct drm_crtc *crtc,
2887 struct drm_crtc_state *old_crtc_state)
2889 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2891 zynqmp_disp_clk_disable(disp->pclk, &disp->pclk_en);
2892 zynqmp_disp_plane_disable(crtc->primary);
2893 zynqmp_disp_disable(disp, true);
2894 drm_crtc_vblank_off(crtc);
2895 pm_runtime_put_sync(disp->dev);
2898 static int zynqmp_disp_crtc_atomic_check(struct drm_crtc *crtc,
2899 struct drm_crtc_state *state)
2901 return drm_atomic_add_affected_planes(state->state, crtc);
2905 zynqmp_disp_crtc_atomic_begin(struct drm_crtc *crtc,
2906 struct drm_crtc_state *old_crtc_state)
2908 drm_crtc_vblank_on(crtc);
2909 /* Don't rely on vblank when disabling crtc */
2910 spin_lock_irq(&crtc->dev->event_lock);
2911 if (crtc->primary->state->fb && crtc->state->event) {
2912 /* Consume the flip_done event from atomic helper */
2913 crtc->state->event->pipe = drm_crtc_index(crtc);
2914 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
2915 drm_crtc_arm_vblank_event(crtc, crtc->state->event);
2916 crtc->state->event = NULL;
2918 spin_unlock_irq(&crtc->dev->event_lock);
2921 static struct drm_crtc_helper_funcs zynqmp_disp_crtc_helper_funcs = {
2922 .atomic_enable = zynqmp_disp_crtc_atomic_enable,
2923 .atomic_disable = zynqmp_disp_crtc_atomic_disable,
2924 .atomic_check = zynqmp_disp_crtc_atomic_check,
2925 .atomic_begin = zynqmp_disp_crtc_atomic_begin,
2928 static void zynqmp_disp_crtc_destroy(struct drm_crtc *crtc)
2930 zynqmp_disp_crtc_atomic_disable(crtc, NULL);
2931 drm_crtc_cleanup(crtc);
2934 static int zynqmp_disp_crtc_enable_vblank(struct drm_crtc *crtc)
2936 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2938 zynqmp_dp_enable_vblank(disp->dpsub->dp);
2943 static void zynqmp_disp_crtc_disable_vblank(struct drm_crtc *crtc)
2945 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2947 zynqmp_dp_disable_vblank(disp->dpsub->dp);
2951 zynqmp_disp_crtc_atomic_set_property(struct drm_crtc *crtc,
2952 struct drm_crtc_state *state,
2953 struct drm_property *property,
2956 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2959 * CRTC prop values are just stored here and applied when CRTC gets
2962 if (property == disp->color_prop)
2964 else if (property == disp->bg_c0_prop)
2966 else if (property == disp->bg_c1_prop)
2968 else if (property == disp->bg_c2_prop)
2977 zynqmp_disp_crtc_atomic_get_property(struct drm_crtc *crtc,
2978 const struct drm_crtc_state *state,
2979 struct drm_property *property,
2982 struct zynqmp_disp *disp = crtc_to_disp(crtc);
2984 if (property == disp->color_prop)
2986 else if (property == disp->bg_c0_prop)
2988 else if (property == disp->bg_c1_prop)
2990 else if (property == disp->bg_c2_prop)
2998 static struct drm_crtc_funcs zynqmp_disp_crtc_funcs = {
2999 .destroy = zynqmp_disp_crtc_destroy,
3000 .set_config = drm_atomic_helper_set_config,
3001 .page_flip = drm_atomic_helper_page_flip,
3002 .atomic_set_property = zynqmp_disp_crtc_atomic_set_property,
3003 .atomic_get_property = zynqmp_disp_crtc_atomic_get_property,
3004 .reset = drm_atomic_helper_crtc_reset,
3005 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
3006 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
3007 .enable_vblank = zynqmp_disp_crtc_enable_vblank,
3008 .disable_vblank = zynqmp_disp_crtc_disable_vblank,
3011 static void zynqmp_disp_create_crtc(struct zynqmp_disp *disp)
3013 struct drm_plane *plane = &disp->layers[ZYNQMP_DISP_LAYER_GFX].plane;
3014 struct drm_mode_object *obj = &disp->xlnx_crtc.crtc.base;
3017 ret = drm_crtc_init_with_planes(disp->drm, &disp->xlnx_crtc.crtc, plane,
3018 NULL, &zynqmp_disp_crtc_funcs, NULL);
3019 drm_crtc_helper_add(&disp->xlnx_crtc.crtc,
3020 &zynqmp_disp_crtc_helper_funcs);
3021 drm_object_attach_property(obj, disp->color_prop, 0);
3022 zynqmp_dp_set_color(disp->dpsub->dp, zynqmp_disp_color_enum[0].name);
3023 drm_object_attach_property(obj, disp->bg_c0_prop, 0);
3024 drm_object_attach_property(obj, disp->bg_c1_prop, 0);
3025 drm_object_attach_property(obj, disp->bg_c2_prop, 0);
3027 disp->xlnx_crtc.get_max_width = &zynqmp_disp_get_max_width;
3028 disp->xlnx_crtc.get_max_height = &zynqmp_disp_get_max_height;
3029 disp->xlnx_crtc.get_format = &zynqmp_disp_get_format;
3030 disp->xlnx_crtc.get_align = &zynqmp_disp_get_align;
3031 disp->xlnx_crtc.get_dma_mask = &zynqmp_disp_get_dma_mask;
3032 xlnx_crtc_register(disp->drm, &disp->xlnx_crtc);
3035 static void zynqmp_disp_destroy_crtc(struct zynqmp_disp *disp)
3037 xlnx_crtc_unregister(disp->drm, &disp->xlnx_crtc);
3038 zynqmp_disp_crtc_destroy(&disp->xlnx_crtc.crtc);
3041 static void zynqmp_disp_map_crtc_to_plane(struct zynqmp_disp *disp)
3043 u32 possible_crtcs = drm_crtc_mask(&disp->xlnx_crtc.crtc);
3046 for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++)
3047 disp->layers[i].plane.possible_crtcs = possible_crtcs;
3051 * Component functions
3054 int zynqmp_disp_bind(struct device *dev, struct device *master, void *data)
3056 struct zynqmp_dpsub *dpsub = dev_get_drvdata(dev);
3057 struct zynqmp_disp *disp = dpsub->disp;
3058 struct drm_device *drm = data;
3065 max = ZYNQMP_DISP_V_BLEND_SET_GLOBAL_ALPHA_MAX;
3066 disp->g_alpha_prop = drm_property_create_range(drm, 0, "alpha", 0, max);
3067 disp->g_alpha_en_prop = drm_property_create_bool(drm, 0,
3069 num = ARRAY_SIZE(zynqmp_disp_color_enum);
3070 disp->color_prop = drm_property_create_enum(drm, 0,
3072 zynqmp_disp_color_enum,
3074 max = ZYNQMP_DISP_V_BLEND_BG_MAX;
3075 disp->bg_c0_prop = drm_property_create_range(drm, 0, "bg_c0", 0, max);
3076 disp->bg_c1_prop = drm_property_create_range(drm, 0, "bg_c1", 0, max);
3077 disp->bg_c2_prop = drm_property_create_range(drm, 0, "bg_c2", 0, max);
3078 disp->tpg_prop = drm_property_create_bool(drm, 0, "tpg");
3080 ret = zynqmp_disp_create_plane(disp);
3083 zynqmp_disp_create_crtc(disp);
3084 zynqmp_disp_map_crtc_to_plane(disp);
3089 void zynqmp_disp_unbind(struct device *dev, struct device *master, void *data)
3091 struct zynqmp_dpsub *dpsub = dev_get_drvdata(dev);
3092 struct zynqmp_disp *disp = dpsub->disp;
3094 zynqmp_disp_destroy_crtc(disp);
3095 zynqmp_disp_destroy_plane(disp);
3096 drm_property_destroy(disp->drm, disp->bg_c2_prop);
3097 drm_property_destroy(disp->drm, disp->bg_c1_prop);
3098 drm_property_destroy(disp->drm, disp->bg_c0_prop);
3099 drm_property_destroy(disp->drm, disp->color_prop);
3100 drm_property_destroy(disp->drm, disp->g_alpha_en_prop);
3101 drm_property_destroy(disp->drm, disp->g_alpha_prop);
3105 * Platform initialization functions
3108 static int zynqmp_disp_enumerate_fmts(struct zynqmp_disp *disp)
3110 struct zynqmp_disp_layer *layer;
3112 u32 i, size, num_bus_fmts;
3113 u32 gfx_fmt = ZYNQMP_DISP_AV_BUF_GFX_FMT_RGB565;
3115 num_bus_fmts = ARRAY_SIZE(av_buf_live_fmts);
3116 bus_fmts = devm_kzalloc(disp->dev, sizeof(*bus_fmts) * num_bus_fmts,
3120 for (i = 0; i < num_bus_fmts; i++)
3121 bus_fmts[i] = av_buf_live_fmts[i].bus_fmt;
3123 layer = &disp->layers[ZYNQMP_DISP_LAYER_VID];
3124 layer->num_bus_fmts = num_bus_fmts;
3125 layer->bus_fmts = bus_fmts;
3126 size = ARRAY_SIZE(av_buf_vid_fmts);
3127 layer->num_fmts = size;
3128 layer->drm_fmts = devm_kzalloc(disp->dev,
3129 sizeof(*layer->drm_fmts) * size,
3131 if (!layer->drm_fmts)
3133 for (i = 0; i < layer->num_fmts; i++)
3134 layer->drm_fmts[i] = av_buf_vid_fmts[i].drm_fmt;
3135 layer->fmt = &av_buf_vid_fmts[ZYNQMP_DISP_AV_BUF_VID_FMT_YUYV];
3137 layer = &disp->layers[ZYNQMP_DISP_LAYER_GFX];
3138 layer->num_bus_fmts = num_bus_fmts;
3139 layer->bus_fmts = bus_fmts;
3140 size = ARRAY_SIZE(av_buf_gfx_fmts);
3141 layer->num_fmts = size;
3142 layer->drm_fmts = devm_kzalloc(disp->dev,
3143 sizeof(*layer->drm_fmts) * size,
3145 if (!layer->drm_fmts)
3148 for (i = 0; i < layer->num_fmts; i++)
3149 layer->drm_fmts[i] = av_buf_gfx_fmts[i].drm_fmt;
3150 if (zynqmp_disp_gfx_init_fmt < ARRAY_SIZE(zynqmp_disp_gfx_init_fmts))
3151 gfx_fmt = zynqmp_disp_gfx_init_fmts[zynqmp_disp_gfx_init_fmt];
3152 layer->fmt = &av_buf_gfx_fmts[gfx_fmt];
3157 int zynqmp_disp_probe(struct platform_device *pdev)
3159 struct zynqmp_dpsub *dpsub;
3160 struct zynqmp_disp *disp;
3161 struct resource *res;
3164 disp = devm_kzalloc(&pdev->dev, sizeof(*disp), GFP_KERNEL);
3167 disp->dev = &pdev->dev;
3169 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "blend");
3170 disp->blend.base = devm_ioremap_resource(&pdev->dev, res);
3171 if (IS_ERR(disp->blend.base))
3172 return PTR_ERR(disp->blend.base);
3174 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "av_buf");
3175 disp->av_buf.base = devm_ioremap_resource(&pdev->dev, res);
3176 if (IS_ERR(disp->av_buf.base))
3177 return PTR_ERR(disp->av_buf.base);
3179 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "aud");
3180 disp->aud.base = devm_ioremap_resource(&pdev->dev, res);
3181 if (IS_ERR(disp->aud.base))
3182 return PTR_ERR(disp->aud.base);
3184 dpsub = platform_get_drvdata(pdev);
3186 disp->dpsub = dpsub;
3188 ret = zynqmp_disp_enumerate_fmts(disp);
3192 /* Try the live PL video clock */
3193 disp->_pl_pclk = devm_clk_get(disp->dev, "dp_live_video_in_clk");
3194 if (!IS_ERR(disp->_pl_pclk)) {
3195 disp->pclk = disp->_pl_pclk;
3196 ret = zynqmp_disp_clk_enable_disable(disp->pclk,
3200 } else if (PTR_ERR(disp->_pl_pclk) == -EPROBE_DEFER) {
3201 return PTR_ERR(disp->_pl_pclk);
3204 /* If the live PL video clock is not valid, fall back to PS clock */
3206 disp->_ps_pclk = devm_clk_get(disp->dev, "dp_vtc_pixel_clk_in");
3207 if (IS_ERR(disp->_ps_pclk)) {
3208 dev_err(disp->dev, "failed to init any video clock\n");
3209 return PTR_ERR(disp->_ps_pclk);
3211 disp->pclk = disp->_ps_pclk;
3212 ret = zynqmp_disp_clk_enable_disable(disp->pclk,
3215 dev_err(disp->dev, "failed to init any video clock\n");
3220 disp->aclk = devm_clk_get(disp->dev, "dp_apb_clk");
3221 if (IS_ERR(disp->aclk))
3222 return PTR_ERR(disp->aclk);
3223 ret = zynqmp_disp_clk_enable(disp->aclk, &disp->aclk_en);
3225 dev_err(disp->dev, "failed to enable the APB clk\n");
3229 /* Try the live PL audio clock */
3230 disp->_pl_audclk = devm_clk_get(disp->dev, "dp_live_audio_aclk");
3231 if (!IS_ERR(disp->_pl_audclk)) {
3232 disp->audclk = disp->_pl_audclk;
3233 ret = zynqmp_disp_clk_enable_disable(disp->audclk,
3236 disp->audclk = NULL;
3239 /* If the live PL audio clock is not valid, fall back to PS clock */
3240 if (!disp->audclk) {
3241 disp->_ps_audclk = devm_clk_get(disp->dev, "dp_aud_clk");
3242 if (!IS_ERR(disp->_ps_audclk)) {
3243 disp->audclk = disp->_ps_audclk;
3244 ret = zynqmp_disp_clk_enable_disable(disp->audclk,
3247 disp->audclk = NULL;
3250 if (!disp->audclk) {
3252 "audio is disabled due to clock failure\n");
3256 ret = zynqmp_disp_layer_create(disp);
3260 zynqmp_disp_init(disp);
3265 zynqmp_disp_clk_disable(disp->aclk, &disp->aclk_en);
3269 int zynqmp_disp_remove(struct platform_device *pdev)
3271 struct zynqmp_dpsub *dpsub = platform_get_drvdata(pdev);
3272 struct zynqmp_disp *disp = dpsub->disp;
3274 zynqmp_disp_layer_destroy(disp);
3276 zynqmp_disp_clk_disable(disp->audclk, &disp->audclk_en);
3277 zynqmp_disp_clk_disable(disp->aclk, &disp->aclk_en);
3278 zynqmp_disp_clk_disable(disp->pclk, &disp->pclk_en);