1 /* 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 */ 77 struct 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 */ 86