xref: /linux/drivers/gpu/drm/ingenic/ingenic-drm.h (revision b807fd2c43fe008eb6f4083e196ea38dadad9680)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 //
3 // Ingenic JZ47xx KMS driver - Register definitions and private API
4 //
5 // Copyright (C) 2020, Paul Cercueil <paul@crapouillou.net>
6 
7 #ifndef DRIVERS_GPU_DRM_INGENIC_INGENIC_DRM_H
8 #define DRIVERS_GPU_DRM_INGENIC_INGENIC_DRM_H
9 
10 #include <linux/bitops.h>
11 #include <linux/types.h>
12 
13 #define JZ_REG_LCD_CFG				0x00
14 #define JZ_REG_LCD_VSYNC			0x04
15 #define JZ_REG_LCD_HSYNC			0x08
16 #define JZ_REG_LCD_VAT				0x0C
17 #define JZ_REG_LCD_DAH				0x10
18 #define JZ_REG_LCD_DAV				0x14
19 #define JZ_REG_LCD_PS				0x18
20 #define JZ_REG_LCD_CLS				0x1C
21 #define JZ_REG_LCD_SPL				0x20
22 #define JZ_REG_LCD_REV				0x24
23 #define JZ_REG_LCD_CTRL				0x30
24 #define JZ_REG_LCD_STATE			0x34
25 #define JZ_REG_LCD_IID				0x38
26 #define JZ_REG_LCD_DA0				0x40
27 #define JZ_REG_LCD_SA0				0x44
28 #define JZ_REG_LCD_FID0				0x48
29 #define JZ_REG_LCD_CMD0				0x4C
30 #define JZ_REG_LCD_DA1				0x50
31 #define JZ_REG_LCD_SA1				0x54
32 #define JZ_REG_LCD_FID1				0x58
33 #define JZ_REG_LCD_CMD1				0x5C
34 #define JZ_REG_LCD_RGBC				0x90
35 #define JZ_REG_LCD_OSDC				0x100
36 #define JZ_REG_LCD_OSDCTRL			0x104
37 #define JZ_REG_LCD_OSDS				0x108
38 #define JZ_REG_LCD_BGC				0x10c
39 #define JZ_REG_LCD_KEY0				0x110
40 #define JZ_REG_LCD_KEY1				0x114
41 #define JZ_REG_LCD_ALPHA			0x118
42 #define JZ_REG_LCD_IPUR				0x11c
43 #define JZ_REG_LCD_XYP0				0x120
44 #define JZ_REG_LCD_XYP1				0x124
45 #define JZ_REG_LCD_SIZE0			0x128
46 #define JZ_REG_LCD_SIZE1			0x12c
47 #define JZ_REG_LCD_PCFG				0x2c0
48 
49 #define JZ_LCD_CFG_SLCD				BIT(31)
50 #define JZ_LCD_CFG_DESCRIPTOR_8			BIT(28)
51 #define JZ_LCD_CFG_RECOVER_FIFO_UNDERRUN	BIT(25)
52 #define JZ_LCD_CFG_PS_DISABLE			BIT(23)
53 #define JZ_LCD_CFG_CLS_DISABLE			BIT(22)
54 #define JZ_LCD_CFG_SPL_DISABLE			BIT(21)
55 #define JZ_LCD_CFG_REV_DISABLE			BIT(20)
56 #define JZ_LCD_CFG_HSYNCM			BIT(19)
57 #define JZ_LCD_CFG_PCLKM			BIT(18)
58 #define JZ_LCD_CFG_INV				BIT(17)
59 #define JZ_LCD_CFG_SYNC_DIR			BIT(16)
60 #define JZ_LCD_CFG_PS_POLARITY			BIT(15)
61 #define JZ_LCD_CFG_CLS_POLARITY			BIT(14)
62 #define JZ_LCD_CFG_SPL_POLARITY			BIT(13)
63 #define JZ_LCD_CFG_REV_POLARITY			BIT(12)
64 #define JZ_LCD_CFG_HSYNC_ACTIVE_LOW		BIT(11)
65 #define JZ_LCD_CFG_PCLK_FALLING_EDGE		BIT(10)
66 #define JZ_LCD_CFG_DE_ACTIVE_LOW		BIT(9)
67 #define JZ_LCD_CFG_VSYNC_ACTIVE_LOW		BIT(8)
68 #define JZ_LCD_CFG_18_BIT			BIT(7)
69 #define JZ_LCD_CFG_24_BIT			BIT(6)
70 #define JZ_LCD_CFG_PDW				(BIT(5) | BIT(4))
71 
72 #define JZ_LCD_CFG_MODE_GENERIC_16BIT		0
73 #define JZ_LCD_CFG_MODE_GENERIC_18BIT		BIT(7)
74 #define JZ_LCD_CFG_MODE_GENERIC_24BIT		BIT(6)
75 
76 #define JZ_LCD_CFG_MODE_SPECIAL_TFT_1		1
77 #define JZ_LCD_CFG_MODE_SPECIAL_TFT_2		2
78 #define JZ_LCD_CFG_MODE_SPECIAL_TFT_3		3
79 
80 #define JZ_LCD_CFG_MODE_TV_OUT_P		4
81 #define JZ_LCD_CFG_MODE_TV_OUT_I		6
82 
83 #define JZ_LCD_CFG_MODE_SINGLE_COLOR_STN	8
84 #define JZ_LCD_CFG_MODE_SINGLE_MONOCHROME_STN	9
85 #define JZ_LCD_CFG_MODE_DUAL_COLOR_STN		10
86 #define JZ_LCD_CFG_MODE_DUAL_MONOCHROME_STN	11
87 
88 #define JZ_LCD_CFG_MODE_8BIT_SERIAL		12
89 #define JZ_LCD_CFG_MODE_LCM			13
90 
91 #define JZ_LCD_VSYNC_VPS_OFFSET			16
92 #define JZ_LCD_VSYNC_VPE_OFFSET			0
93 
94 #define JZ_LCD_HSYNC_HPS_OFFSET			16
95 #define JZ_LCD_HSYNC_HPE_OFFSET			0
96 
97 #define JZ_LCD_VAT_HT_OFFSET			16
98 #define JZ_LCD_VAT_VT_OFFSET			0
99 
100 #define JZ_LCD_DAH_HDS_OFFSET			16
101 #define JZ_LCD_DAH_HDE_OFFSET			0
102 
103 #define JZ_LCD_DAV_VDS_OFFSET			16
104 #define JZ_LCD_DAV_VDE_OFFSET			0
105 
106 #define JZ_LCD_CTRL_BURST_4			(0x0 << 28)
107 #define JZ_LCD_CTRL_BURST_8			(0x1 << 28)
108 #define JZ_LCD_CTRL_BURST_16			(0x2 << 28)
109 #define JZ_LCD_CTRL_RGB555			BIT(27)
110 #define JZ_LCD_CTRL_OFUP			BIT(26)
111 #define JZ_LCD_CTRL_FRC_GRAYSCALE_16		(0x0 << 24)
112 #define JZ_LCD_CTRL_FRC_GRAYSCALE_4		(0x1 << 24)
113 #define JZ_LCD_CTRL_FRC_GRAYSCALE_2		(0x2 << 24)
114 #define JZ_LCD_CTRL_PDD_MASK			(0xff << 16)
115 #define JZ_LCD_CTRL_EOF_IRQ			BIT(13)
116 #define JZ_LCD_CTRL_SOF_IRQ			BIT(12)
117 #define JZ_LCD_CTRL_OFU_IRQ			BIT(11)
118 #define JZ_LCD_CTRL_IFU0_IRQ			BIT(10)
119 #define JZ_LCD_CTRL_IFU1_IRQ			BIT(9)
120 #define JZ_LCD_CTRL_DD_IRQ			BIT(8)
121 #define JZ_LCD_CTRL_QDD_IRQ			BIT(7)
122 #define JZ_LCD_CTRL_REVERSE_ENDIAN		BIT(6)
123 #define JZ_LCD_CTRL_LSB_FISRT			BIT(5)
124 #define JZ_LCD_CTRL_DISABLE			BIT(4)
125 #define JZ_LCD_CTRL_ENABLE			BIT(3)
126 #define JZ_LCD_CTRL_BPP_1			0x0
127 #define JZ_LCD_CTRL_BPP_2			0x1
128 #define JZ_LCD_CTRL_BPP_4			0x2
129 #define JZ_LCD_CTRL_BPP_8			0x3
130 #define JZ_LCD_CTRL_BPP_15_16			0x4
131 #define JZ_LCD_CTRL_BPP_18_24			0x5
132 #define JZ_LCD_CTRL_BPP_24_COMP			0x6
133 #define JZ_LCD_CTRL_BPP_30			0x7
134 #define JZ_LCD_CTRL_BPP_MASK			(JZ_LCD_CTRL_RGB555 | 0x7)
135 
136 #define JZ_LCD_CMD_SOF_IRQ			BIT(31)
137 #define JZ_LCD_CMD_EOF_IRQ			BIT(30)
138 #define JZ_LCD_CMD_ENABLE_PAL			BIT(28)
139 #define JZ_LCD_CMD_FRM_ENABLE			BIT(26)
140 
141 #define JZ_LCD_SYNC_MASK			0x3ff
142 
143 #define JZ_LCD_STATE_EOF_IRQ			BIT(5)
144 #define JZ_LCD_STATE_SOF_IRQ			BIT(4)
145 #define JZ_LCD_STATE_DISABLED			BIT(0)
146 
147 #define JZ_LCD_RGBC_ODD_RGB			(0x0 << 4)
148 #define JZ_LCD_RGBC_ODD_RBG			(0x1 << 4)
149 #define JZ_LCD_RGBC_ODD_GRB			(0x2 << 4)
150 #define JZ_LCD_RGBC_ODD_GBR			(0x3 << 4)
151 #define JZ_LCD_RGBC_ODD_BRG			(0x4 << 4)
152 #define JZ_LCD_RGBC_ODD_BGR			(0x5 << 4)
153 #define JZ_LCD_RGBC_EVEN_RGB			(0x0 << 0)
154 #define JZ_LCD_RGBC_EVEN_RBG			(0x1 << 0)
155 #define JZ_LCD_RGBC_EVEN_GRB			(0x2 << 0)
156 #define JZ_LCD_RGBC_EVEN_GBR			(0x3 << 0)
157 #define JZ_LCD_RGBC_EVEN_BRG			(0x4 << 0)
158 #define JZ_LCD_RGBC_EVEN_BGR			(0x5 << 0)
159 
160 #define JZ_LCD_OSDC_OSDEN			BIT(0)
161 #define JZ_LCD_OSDC_ALPHAEN			BIT(2)
162 #define JZ_LCD_OSDC_F0EN			BIT(3)
163 #define JZ_LCD_OSDC_F1EN			BIT(4)
164 
165 #define JZ_LCD_OSDCTRL_IPU			BIT(15)
166 #define JZ_LCD_OSDCTRL_RGB555			BIT(4)
167 #define JZ_LCD_OSDCTRL_CHANGE			BIT(3)
168 #define JZ_LCD_OSDCTRL_BPP_15_16		0x4
169 #define JZ_LCD_OSDCTRL_BPP_18_24		0x5
170 #define JZ_LCD_OSDCTRL_BPP_24_COMP		0x6
171 #define JZ_LCD_OSDCTRL_BPP_30			0x7
172 #define JZ_LCD_OSDCTRL_BPP_MASK			(JZ_LCD_OSDCTRL_RGB555 | 0x7)
173 
174 #define JZ_LCD_OSDS_READY			BIT(0)
175 
176 #define JZ_LCD_IPUR_IPUREN			BIT(31)
177 #define JZ_LCD_IPUR_IPUR_LSB			0
178 
179 #define JZ_LCD_XYP01_XPOS_LSB			0
180 #define JZ_LCD_XYP01_YPOS_LSB			16
181 
182 #define JZ_LCD_SIZE01_WIDTH_LSB			0
183 #define JZ_LCD_SIZE01_HEIGHT_LSB		16
184 
185 #define JZ_LCD_DESSIZE_ALPHA_OFFSET		24
186 #define JZ_LCD_DESSIZE_HEIGHT_MASK		GENMASK(23, 12)
187 #define JZ_LCD_DESSIZE_WIDTH_MASK		GENMASK(11, 0)
188 
189 #define JZ_LCD_CPOS_BPP_15_16			(4 << 27)
190 #define JZ_LCD_CPOS_BPP_18_24			(5 << 27)
191 #define JZ_LCD_CPOS_BPP_30			(7 << 27)
192 #define JZ_LCD_CPOS_RGB555			BIT(30)
193 #define JZ_LCD_CPOS_PREMULTIPLY_LCD		BIT(26)
194 #define JZ_LCD_CPOS_COEFFICIENT_OFFSET		24
195 #define JZ_LCD_CPOS_COEFFICIENT_0		0
196 #define JZ_LCD_CPOS_COEFFICIENT_1		1
197 #define JZ_LCD_CPOS_COEFFICIENT_ALPHA1		2
198 #define JZ_LCD_CPOS_COEFFICIENT_1_ALPHA1	3
199 
200 #define JZ_LCD_RGBC_RGB_PADDING			BIT(15)
201 #define JZ_LCD_RGBC_RGB_PADDING_FIRST		BIT(14)
202 #define JZ_LCD_RGBC_422				BIT(8)
203 #define JZ_LCD_RGBC_RGB_FORMAT_ENABLE		BIT(7)
204 
205 #define JZ_LCD_PCFG_PRI_MODE			BIT(31)
206 #define JZ_LCD_PCFG_HP_BST_4			(0 << 28)
207 #define JZ_LCD_PCFG_HP_BST_8			(1 << 28)
208 #define JZ_LCD_PCFG_HP_BST_16			(2 << 28)
209 #define JZ_LCD_PCFG_HP_BST_32			(3 << 28)
210 #define JZ_LCD_PCFG_HP_BST_64			(4 << 28)
211 #define JZ_LCD_PCFG_HP_BST_16_CONT		(5 << 28)
212 #define JZ_LCD_PCFG_HP_BST_DISABLE		(7 << 28)
213 #define JZ_LCD_PCFG_THRESHOLD2_OFFSET		18
214 #define JZ_LCD_PCFG_THRESHOLD1_OFFSET		9
215 #define JZ_LCD_PCFG_THRESHOLD0_OFFSET		0
216 
217 struct device;
218 struct drm_plane;
219 struct drm_plane_state;
220 struct platform_driver;
221 
222 void ingenic_drm_plane_config(struct device *dev,
223 			      struct drm_plane *plane, u32 fourcc);
224 void ingenic_drm_plane_disable(struct device *dev, struct drm_plane *plane);
225 bool ingenic_drm_map_noncoherent(const struct device *dev);
226 
227 extern struct platform_driver *ingenic_ipu_driver_ptr;
228 
229 #endif /* DRIVERS_GPU_DRM_INGENIC_INGENIC_DRM_H */
230