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Boris Brezillon2c86e9f2014-10-06 15:48:43 +02001/*
2 * Copyright (C) 2014 Free Electrons
3 * Copyright (C) 2014 Atmel
4 *
5 * Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef __LINUX_MFD_HLCDC_H
21#define __LINUX_MFD_HLCDC_H
22
23#include <linux/clk.h>
24#include <linux/regmap.h>
25
26#define ATMEL_HLCDC_CFG(i) ((i) * 0x4)
27#define ATMEL_HLCDC_SIG_CFG LCDCFG(5)
28#define ATMEL_HLCDC_HSPOL BIT(0)
29#define ATMEL_HLCDC_VSPOL BIT(1)
30#define ATMEL_HLCDC_VSPDLYS BIT(2)
31#define ATMEL_HLCDC_VSPDLYE BIT(3)
32#define ATMEL_HLCDC_DISPPOL BIT(4)
33#define ATMEL_HLCDC_DITHER BIT(6)
34#define ATMEL_HLCDC_DISPDLY BIT(7)
35#define ATMEL_HLCDC_MODE_MASK GENMASK(9, 8)
36#define ATMEL_HLCDC_PP BIT(10)
37#define ATMEL_HLCDC_VSPSU BIT(12)
38#define ATMEL_HLCDC_VSPHO BIT(13)
39#define ATMEL_HLCDC_GUARDTIME_MASK GENMASK(20, 16)
40
41#define ATMEL_HLCDC_EN 0x20
42#define ATMEL_HLCDC_DIS 0x24
43#define ATMEL_HLCDC_SR 0x28
44#define ATMEL_HLCDC_IER 0x2c
45#define ATMEL_HLCDC_IDR 0x30
46#define ATMEL_HLCDC_IMR 0x34
47#define ATMEL_HLCDC_ISR 0x38
48
49#define ATMEL_HLCDC_CLKPOL BIT(0)
50#define ATMEL_HLCDC_CLKSEL BIT(2)
51#define ATMEL_HLCDC_CLKPWMSEL BIT(3)
52#define ATMEL_HLCDC_CGDIS(i) BIT(8 + (i))
53#define ATMEL_HLCDC_CLKDIV_SHFT 16
54#define ATMEL_HLCDC_CLKDIV_MASK GENMASK(23, 16)
55#define ATMEL_HLCDC_CLKDIV(div) ((div - 2) << ATMEL_HLCDC_CLKDIV_SHFT)
56
57#define ATMEL_HLCDC_PIXEL_CLK BIT(0)
58#define ATMEL_HLCDC_SYNC BIT(1)
59#define ATMEL_HLCDC_DISP BIT(2)
60#define ATMEL_HLCDC_PWM BIT(3)
61#define ATMEL_HLCDC_SIP BIT(4)
62
63#define ATMEL_HLCDC_SOF BIT(0)
64#define ATMEL_HLCDC_SYNCDIS BIT(1)
65#define ATMEL_HLCDC_FIFOERR BIT(4)
66#define ATMEL_HLCDC_LAYER_STATUS(x) BIT((x) + 8)
67
68/**
69 * Structure shared by the MFD device and its subdevices.
70 *
71 * @regmap: register map used to access HLCDC IP registers
72 * @periph_clk: the hlcdc peripheral clock
73 * @sys_clk: the hlcdc system clock
74 * @slow_clk: the system slow clk
75 * @irq: the hlcdc irq
76 */
77struct atmel_hlcdc {
78 struct regmap *regmap;
79 struct clk *periph_clk;
80 struct clk *sys_clk;
81 struct clk *slow_clk;
82 int irq;
83};
84
85#endif /* __LINUX_MFD_HLCDC_H */