1 /*
2  * Copyright 2015 Freescale Semiconductor, Inc.
3  *
4  * Freescale DCU drm device driver
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11 
12 #ifndef __FSL_DCU_DRM_DRV_H__
13 #define __FSL_DCU_DRM_DRV_H__
14 
15 #include "fsl_dcu_drm_crtc.h"
16 #include "fsl_dcu_drm_output.h"
17 #include "fsl_dcu_drm_plane.h"
18 
19 #define DCU_DCU_MODE			0x0010
20 #define DCU_MODE_BLEND_ITER(x)		((x) << 20)
21 #define DCU_MODE_RASTER_EN		BIT(14)
22 #define DCU_MODE_DCU_MODE(x)		(x)
23 #define DCU_MODE_DCU_MODE_MASK		0x03
24 #define DCU_MODE_OFF			0
25 #define DCU_MODE_NORMAL			1
26 #define DCU_MODE_TEST			2
27 #define DCU_MODE_COLORBAR		3
28 
29 #define DCU_BGND			0x0014
30 #define DCU_BGND_R(x)			((x) << 16)
31 #define DCU_BGND_G(x)			((x) << 8)
32 #define DCU_BGND_B(x)			(x)
33 
34 #define DCU_DISP_SIZE			0x0018
35 #define DCU_DISP_SIZE_DELTA_Y(x)	((x) << 16)
36 /*Regisiter value 1/16 of horizontal resolution*/
37 #define DCU_DISP_SIZE_DELTA_X(x)	((x) >> 4)
38 
39 #define DCU_HSYN_PARA			0x001c
40 #define DCU_HSYN_PARA_BP(x)		((x) << 22)
41 #define DCU_HSYN_PARA_PW(x)		((x) << 11)
42 #define DCU_HSYN_PARA_FP(x)		(x)
43 
44 #define DCU_VSYN_PARA			0x0020
45 #define DCU_VSYN_PARA_BP(x)		((x) << 22)
46 #define DCU_VSYN_PARA_PW(x)		((x) << 11)
47 #define DCU_VSYN_PARA_FP(x)		(x)
48 
49 #define DCU_SYN_POL			0x0024
50 #define DCU_SYN_POL_INV_PXCK_FALL	(0 << 6)
51 #define DCU_SYN_POL_NEG_REMAIN		(0 << 5)
52 #define DCU_SYN_POL_INV_VS_LOW		BIT(1)
53 #define DCU_SYN_POL_INV_HS_LOW		BIT(0)
54 
55 #define DCU_THRESHOLD			0x0028
56 #define DCU_THRESHOLD_LS_BF_VS(x)	((x) << 16)
57 #define DCU_THRESHOLD_OUT_BUF_HIGH(x)	((x) << 8)
58 #define DCU_THRESHOLD_OUT_BUF_LOW(x)	(x)
59 #define BF_VS_VAL			0x03
60 #define BUF_MAX_VAL			0x78
61 #define BUF_MIN_VAL			0x0a
62 
63 #define DCU_INT_STATUS			0x002C
64 #define DCU_INT_STATUS_VSYNC		BIT(0)
65 #define DCU_INT_STATUS_UNDRUN		BIT(1)
66 #define DCU_INT_STATUS_LSBFVS		BIT(2)
67 #define DCU_INT_STATUS_VBLANK		BIT(3)
68 #define DCU_INT_STATUS_CRCREADY		BIT(4)
69 #define DCU_INT_STATUS_CRCOVERFLOW	BIT(5)
70 #define DCU_INT_STATUS_P1FIFOLO		BIT(6)
71 #define DCU_INT_STATUS_P1FIFOHI		BIT(7)
72 #define DCU_INT_STATUS_P2FIFOLO		BIT(8)
73 #define DCU_INT_STATUS_P2FIFOHI		BIT(9)
74 #define DCU_INT_STATUS_PROGEND		BIT(10)
75 #define DCU_INT_STATUS_IPMERROR		BIT(11)
76 #define DCU_INT_STATUS_LYRTRANS		BIT(12)
77 #define DCU_INT_STATUS_DMATRANS		BIT(14)
78 #define DCU_INT_STATUS_P3FIFOLO		BIT(16)
79 #define DCU_INT_STATUS_P3FIFOHI		BIT(17)
80 #define DCU_INT_STATUS_P4FIFOLO		BIT(18)
81 #define DCU_INT_STATUS_P4FIFOHI		BIT(19)
82 #define DCU_INT_STATUS_P1EMPTY		BIT(26)
83 #define DCU_INT_STATUS_P2EMPTY		BIT(27)
84 #define DCU_INT_STATUS_P3EMPTY		BIT(28)
85 #define DCU_INT_STATUS_P4EMPTY		BIT(29)
86 
87 #define DCU_INT_MASK			0x0030
88 #define DCU_INT_MASK_VSYNC		BIT(0)
89 #define DCU_INT_MASK_UNDRUN		BIT(1)
90 #define DCU_INT_MASK_LSBFVS		BIT(2)
91 #define DCU_INT_MASK_VBLANK		BIT(3)
92 #define DCU_INT_MASK_CRCREADY		BIT(4)
93 #define DCU_INT_MASK_CRCOVERFLOW	BIT(5)
94 #define DCU_INT_MASK_P1FIFOLO		BIT(6)
95 #define DCU_INT_MASK_P1FIFOHI		BIT(7)
96 #define DCU_INT_MASK_P2FIFOLO		BIT(8)
97 #define DCU_INT_MASK_P2FIFOHI		BIT(9)
98 #define DCU_INT_MASK_PROGEND		BIT(10)
99 #define DCU_INT_MASK_IPMERROR		BIT(11)
100 #define DCU_INT_MASK_LYRTRANS		BIT(12)
101 #define DCU_INT_MASK_DMATRANS		BIT(14)
102 #define DCU_INT_MASK_P3FIFOLO		BIT(16)
103 #define DCU_INT_MASK_P3FIFOHI		BIT(17)
104 #define DCU_INT_MASK_P4FIFOLO		BIT(18)
105 #define DCU_INT_MASK_P4FIFOHI		BIT(19)
106 #define DCU_INT_MASK_P1EMPTY		BIT(26)
107 #define DCU_INT_MASK_P2EMPTY		BIT(27)
108 #define DCU_INT_MASK_P3EMPTY		BIT(28)
109 #define DCU_INT_MASK_P4EMPTY		BIT(29)
110 
111 #define DCU_DIV_RATIO			0x0054
112 
113 #define DCU_UPDATE_MODE			0x00cc
114 #define DCU_UPDATE_MODE_MODE		BIT(31)
115 #define DCU_UPDATE_MODE_READREG		BIT(30)
116 
117 #define DCU_DCFB_MAX			0x300
118 
119 #define DCU_CTRLDESCLN(layer, reg)	(0x200 + (reg - 1) * 4 + (layer) * 0x40)
120 
121 #define DCU_LAYER_HEIGHT(x)		((x) << 16)
122 #define DCU_LAYER_WIDTH(x)		(x)
123 
124 #define DCU_LAYER_POSY(x)		((x) << 16)
125 #define DCU_LAYER_POSX(x)		(x)
126 
127 #define DCU_LAYER_EN			BIT(31)
128 #define DCU_LAYER_TILE_EN		BIT(30)
129 #define DCU_LAYER_DATA_SEL_CLUT		BIT(29)
130 #define DCU_LAYER_SAFETY_EN		BIT(28)
131 #define DCU_LAYER_TRANS(x)		((x) << 20)
132 #define DCU_LAYER_BPP(x)		((x) << 16)
133 #define DCU_LAYER_RLE_EN		BIT(15)
134 #define DCU_LAYER_LUOFFS(x)		((x) << 4)
135 #define DCU_LAYER_BB_ON			BIT(2)
136 #define DCU_LAYER_AB(x)			(x)
137 
138 #define DCU_LAYER_CKMAX_R(x)		((x) << 16)
139 #define DCU_LAYER_CKMAX_G(x)		((x) << 8)
140 #define DCU_LAYER_CKMAX_B(x)		(x)
141 
142 #define DCU_LAYER_CKMIN_R(x)		((x) << 16)
143 #define DCU_LAYER_CKMIN_G(x)		((x) << 8)
144 #define DCU_LAYER_CKMIN_B(x)		(x)
145 
146 #define DCU_LAYER_TILE_VER(x)		((x) << 16)
147 #define DCU_LAYER_TILE_HOR(x)		(x)
148 
149 #define DCU_LAYER_FG_FCOLOR(x)		(x)
150 
151 #define DCU_LAYER_BG_BCOLOR(x)		(x)
152 
153 #define DCU_LAYER_POST_SKIP(x)		((x) << 16)
154 #define DCU_LAYER_PRE_SKIP(x)		(x)
155 
156 #define FSL_DCU_RGB565			4
157 #define FSL_DCU_RGB888			5
158 #define FSL_DCU_ARGB8888		6
159 #define FSL_DCU_ARGB1555		11
160 #define FSL_DCU_ARGB4444		12
161 #define FSL_DCU_YUV422			14
162 
163 #define VF610_LAYER_REG_NUM		9
164 #define LS1021A_LAYER_REG_NUM		10
165 
166 struct clk;
167 struct device;
168 struct drm_device;
169 
170 struct fsl_dcu_soc_data {
171 	const char *name;
172 	/*total layer number*/
173 	unsigned int total_layer;
174 	/*max layer number DCU supported*/
175 	unsigned int max_layer;
176 };
177 
178 struct fsl_dcu_drm_device {
179 	struct device *dev;
180 	struct device_node *np;
181 	struct regmap *regmap;
182 	int irq;
183 	struct clk *clk;
184 	/*protects hardware register*/
185 	spinlock_t irq_lock;
186 	struct drm_device *drm;
187 	struct drm_fbdev_cma *fbdev;
188 	struct drm_crtc crtc;
189 	struct drm_encoder encoder;
190 	struct fsl_dcu_drm_connector connector;
191 	const struct fsl_dcu_soc_data *soc;
192 };
193 
194 void fsl_dcu_fbdev_init(struct drm_device *dev);
195 int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev);
196 
197 #endif /* __FSL_DCU_DRM_DRV_H__ */
198