2 * Analog Devices PPI header file
4 * Copyright (c) 2011 Analog Devices Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
19 #include <linux/interrupt.h>
20 #include <asm/blackfin.h>
21 #include <asm/bfin_ppi.h>
25 #define PORT_EN EPPI_EN
26 #define PORT_DIR EPPI_DIR
28 #define PACK_EN PACKEN
33 #define PORT_EN EPPI_CTL_EN
34 #define PORT_DIR EPPI_CTL_DIR
35 #define PACK_EN EPPI_CTL_PACKEN
37 #define DLEN_8 EPPI_CTL_DLEN08
38 #define DLEN_16 EPPI_CTL_DLEN16
44 u32 width; /* width in pixels */
45 u32 height; /* height in lines */
46 u32 hdelay; /* delay after the HSYNC in pixels */
47 u32 vdelay; /* delay after the VSYNC in lines */
48 u32 line; /* total pixels per line */
49 u32 frame; /* total lines per frame */
50 u32 hsync; /* HSYNC length in pixels */
51 u32 vsync; /* VSYNC length in lines */
52 int bpp; /* bits per pixel */
53 int dlen; /* data length for ppi in bits */
54 u32 ppi_control; /* ppi configuration */
55 u32 int_mask; /* interrupt mask */
59 int (*attach_irq)(struct ppi_if *ppi, irq_handler_t handler);
60 void (*detach_irq)(struct ppi_if *ppi);
61 int (*start)(struct ppi_if *ppi);
62 int (*stop)(struct ppi_if *ppi);
63 int (*set_params)(struct ppi_if *ppi, struct ppi_params *params);
64 void (*update_addr)(struct ppi_if *ppi, unsigned long addr);
78 const unsigned short *pin_req;
83 unsigned long ppi_control;
84 const struct ppi_ops *ops;
85 const struct ppi_info *info;
86 bool err_int; /* if we need request error interrupt */
87 bool err; /* if ppi has fifo error */
91 struct ppi_if *ppi_create_instance(struct platform_device *pdev,
92 const struct ppi_info *info);
93 void ppi_delete_instance(struct ppi_if *ppi);