1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2014 Free Electrons
4 * Copyright (C) 2014 Atmel
5 *
6 * Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
7 */
8
9 #ifndef __LINUX_MFD_HLCDC_H
10 #define __LINUX_MFD_HLCDC_H
11
12 #include <linux/clk.h>
13 #include <linux/regmap.h>
14
15 #define ATMEL_HLCDC_CFG(i) ((i) * 0x4)
16 #define ATMEL_HLCDC_SIG_CFG LCDCFG(5)
17 #define ATMEL_HLCDC_HSPOL BIT(0)
18 #define ATMEL_HLCDC_VSPOL BIT(1)
19 #define ATMEL_HLCDC_VSPDLYS BIT(2)
20 #define ATMEL_HLCDC_VSPDLYE BIT(3)
21 #define ATMEL_HLCDC_DISPPOL BIT(4)
22 #define ATMEL_HLCDC_DITHER BIT(6)
23 #define ATMEL_HLCDC_DISPDLY BIT(7)
24 #define ATMEL_HLCDC_MODE_MASK GENMASK(9, 8)
25 #define ATMEL_XLCDC_MODE_MASK GENMASK(10, 8)
26 #define ATMEL_XLCDC_DPI BIT(11)
27 #define ATMEL_HLCDC_PP BIT(10)
28 #define ATMEL_HLCDC_VSPSU BIT(12)
29 #define ATMEL_HLCDC_VSPHO BIT(13)
30 #define ATMEL_HLCDC_GUARDTIME_MASK GENMASK(20, 16)
31
32 #define ATMEL_HLCDC_EN 0x20
33 #define ATMEL_HLCDC_DIS 0x24
34 #define ATMEL_HLCDC_SR 0x28
35 #define ATMEL_HLCDC_IER 0x2c
36 #define ATMEL_HLCDC_IDR 0x30
37 #define ATMEL_HLCDC_IMR 0x34
38 #define ATMEL_HLCDC_ISR 0x38
39 #define ATMEL_XLCDC_ATTRE 0x3c
40
41 #define ATMEL_XLCDC_BASE_UPDATE BIT(0)
42 #define ATMEL_XLCDC_OVR1_UPDATE BIT(1)
43 #define ATMEL_XLCDC_OVR3_UPDATE BIT(2)
44 #define ATMEL_XLCDC_HEO_UPDATE BIT(3)
45
46 #define ATMEL_HLCDC_CLKPOL BIT(0)
47 #define ATMEL_HLCDC_CLKSEL BIT(2)
48 #define ATMEL_HLCDC_CLKPWMSEL BIT(3)
49 #define ATMEL_HLCDC_CGDIS(i) BIT(8 + (i))
50 #define ATMEL_HLCDC_CLKDIV_SHFT 16
51 #define ATMEL_HLCDC_CLKDIV_MASK GENMASK(23, 16)
52 #define ATMEL_HLCDC_CLKDIV(div) ((div - 2) << ATMEL_HLCDC_CLKDIV_SHFT)
53
54 #define ATMEL_HLCDC_PIXEL_CLK BIT(0)
55 #define ATMEL_HLCDC_SYNC BIT(1)
56 #define ATMEL_HLCDC_DISP BIT(2)
57 #define ATMEL_HLCDC_PWM BIT(3)
58 #define ATMEL_HLCDC_SIP BIT(4)
59 #define ATMEL_XLCDC_SD BIT(5)
60 #define ATMEL_XLCDC_CM BIT(6)
61
62 #define ATMEL_HLCDC_SOF BIT(0)
63 #define ATMEL_HLCDC_SYNCDIS BIT(1)
64 #define ATMEL_HLCDC_FIFOERR BIT(4)
65 #define ATMEL_HLCDC_LAYER_STATUS(x) BIT((x) + 8)
66
67 /**
68 * Structure shared by the MFD device and its subdevices.
69 *
70 * @regmap: register map used to access HLCDC IP registers
71 * @periph_clk: the hlcdc peripheral clock
72 * @sys_clk: the hlcdc system clock
73 * @slow_clk: the system slow clk
74 * @irq: the hlcdc irq
75 */
76 struct atmel_hlcdc {
77 struct regmap *regmap;
78 struct clk *periph_clk;
79 struct clk *sys_clk;
80 struct clk *slow_clk;
81 int irq;
82 };
83
84 #endif /* __LINUX_MFD_HLCDC_H */
85
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