1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * ST stm32 Chrom-Art - 2D Graphics Accelerator Driver
5 * Copyright (c) 2021 Dillon Min
10 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
14 #ifndef __DMA2D_REGS_H__
15 #define __DMA2D_REGS_H__
17 #define DMA2D_CR_REG 0x0000
18 #define CR_MODE_MASK GENMASK(17, 16)
19 #define CR_MODE_SHIFT 16
21 #define CR_M2M_PFC BIT(16)
22 #define CR_M2M_BLEND BIT(17)
23 #define CR_R2M (BIT(17) | BIT(16))
24 #define CR_CEIE BIT(13)
25 #define CR_CTCIE BIT(12)
26 #define CR_CAEIE BIT(11)
27 #define CR_TWIE BIT(10)
28 #define CR_TCIE BIT(9)
29 #define CR_TEIE BIT(8)
30 #define CR_ABORT BIT(2)
31 #define CR_SUSP BIT(1)
32 #define CR_START BIT(0)
34 #define DMA2D_ISR_REG 0x0004
35 #define ISR_CEIF BIT(5)
36 #define ISR_CTCIF BIT(4)
37 #define ISR_CAEIF BIT(3)
38 #define ISR_TWIF BIT(2)
39 #define ISR_TCIF BIT(1)
40 #define ISR_TEIF BIT(0)
42 #define DMA2D_IFCR_REG 0x0008
43 #define IFCR_CCEIF BIT(5)
44 #define IFCR_CCTCIF BIT(4)
45 #define IFCR_CAECIF BIT(3)
46 #define IFCR_CTWIF BIT(2)
47 #define IFCR_CTCIF BIT(1)
48 #define IFCR_CTEIF BIT(0)
50 #define DMA2D_FGMAR_REG 0x000c
51 #define DMA2D_FGOR_REG 0x0010
52 #define FGOR_LO_MASK GENMASK(13, 0)
54 #define DMA2D_BGMAR_REG 0x0014
55 #define DMA2D_BGOR_REG 0x0018
56 #define BGOR_LO_MASK GENMASK(13, 0)
58 #define DMA2D_FGPFCCR_REG 0x001c
59 #define FGPFCCR_ALPHA_MASK GENMASK(31, 24)
60 #define FGPFCCR_AM_MASK GENMASK(17, 16)
61 #define FGPFCCR_CS_MASK GENMASK(15, 8)
62 #define FGPFCCR_START BIT(5)
63 #define FGPFCCR_CCM_RGB888 BIT(4)
64 #define FGPFCCR_CM_MASK GENMASK(3, 0)
66 #define DMA2D_FGCOLR_REG 0x0020
67 #define FGCOLR_REG_MASK GENMASK(23, 16)
68 #define FGCOLR_GREEN_MASK GENMASK(15, 8)
69 #define FGCOLR_BLUE_MASK GENMASK(7, 0)
71 #define DMA2D_BGPFCCR_REG 0x0024
72 #define BGPFCCR_ALPHA_MASK GENMASK(31, 24)
73 #define BGPFCCR_AM_MASK GENMASK(17, 16)
74 #define BGPFCCR_CS_MASK GENMASK(15, 8)
75 #define BGPFCCR_START BIT(5)
76 #define BGPFCCR_CCM_RGB888 BIT(4)
77 #define BGPFCCR_CM_MASK GENMASK(3, 0)
79 #define DMA2D_BGCOLR_REG 0x0028
80 #define BGCOLR_REG_MASK GENMASK(23, 16)
81 #define BGCOLR_GREEN_MASK GENMASK(15, 8)
82 #define BGCOLR_BLUE_MASK GENMASK(7, 0)
84 #define DMA2D_OPFCCR_REG 0x0034
85 #define OPFCCR_CM_MASK GENMASK(2, 0)
87 #define DMA2D_OCOLR_REG 0x0038
88 #define OCOLR_ALPHA_MASK GENMASK(31, 24)
89 #define OCOLR_RED_MASK GENMASK(23, 16)
90 #define OCOLR_GREEN_MASK GENMASK(15, 8)
91 #define OCOLR_BLUE_MASK GENMASK(7, 0)
93 #define DMA2D_OMAR_REG 0x003c
95 #define DMA2D_OOR_REG 0x0040
96 #define OOR_LO_MASK GENMASK(13, 0)
98 #define DMA2D_NLR_REG 0x0044
99 #define NLR_PL_MASK GENMASK(29, 16)
100 #define NLR_NL_MASK GENMASK(15, 0)
102 /* Hardware limits */
103 #define MAX_WIDTH 2592
104 #define MAX_HEIGHT 2592
106 #define DEFAULT_WIDTH 240
107 #define DEFAULT_HEIGHT 320
108 #define DEFAULT_SIZE 307200
110 #define CM_MODE_ARGB8888 0x00
111 #define CM_MODE_ARGB4444 0x04
112 #define CM_MODE_A4 0x0a
113 #endif /* __DMA2D_REGS_H__ */