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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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/interrupt.h>
24 #include <asm/blackfin.h>
25 #include <asm/bfin_ppi.h>
29 #define PORT_EN EPPI_EN
30 #define PORT_DIR EPPI_DIR
32 #define PACK_EN PACKEN
37 #define PORT_EN EPPI_CTL_EN
38 #define PORT_DIR EPPI_CTL_DIR
39 #define PACK_EN EPPI_CTL_PACKEN
41 #define DLEN_8 EPPI_CTL_DLEN08
42 #define DLEN_16 EPPI_CTL_DLEN16
48 u32 width
; /* width in pixels */
49 u32 height
; /* height in lines */
50 u32 hdelay
; /* delay after the HSYNC in pixels */
51 u32 vdelay
; /* delay after the VSYNC in lines */
52 u32 line
; /* total pixels per line */
53 u32 frame
; /* total lines per frame */
54 u32 hsync
; /* HSYNC length in pixels */
55 u32 vsync
; /* VSYNC length in lines */
56 int bpp
; /* bits per pixel */
57 int dlen
; /* data length for ppi in bits */
58 u32 ppi_control
; /* ppi configuration */
59 u32 int_mask
; /* interrupt mask */
63 int (*attach_irq
)(struct ppi_if
*ppi
, irq_handler_t handler
);
64 void (*detach_irq
)(struct ppi_if
*ppi
);
65 int (*start
)(struct ppi_if
*ppi
);
66 int (*stop
)(struct ppi_if
*ppi
);
67 int (*set_params
)(struct ppi_if
*ppi
, struct ppi_params
*params
);
68 void (*update_addr
)(struct ppi_if
*ppi
, unsigned long addr
);
82 const unsigned short *pin_req
;
87 unsigned long ppi_control
;
88 const struct ppi_ops
*ops
;
89 const struct ppi_info
*info
;
90 bool err_int
; /* if we need request error interrupt */
91 bool err
; /* if ppi has fifo error */
95 struct ppi_if
*ppi_create_instance(struct platform_device
*pdev
,
96 const struct ppi_info
*info
);
97 void ppi_delete_instance(struct ppi_if
*ppi
);