1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/* $NetBSD: pxa2x0_lcd.h,v 1.2 2003/06/17 09:43:14 bsh Exp $ */
/*
* Copyright (c) 2002 Genetec Corporation. All rights reserved.
* Written by Hiroyuki Bessho for Genetec Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Genetec Corporation.
* 4. The name of Genetec Corporation may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ARM_XSCALE_PXA2X0_LCD_H
#define _ARM_XSCALE_PXA2X0_LCD_H
#include <dev/rasops/rasops.h>
#include <machine/bus.h>
/* LCD Contoroller */
struct lcd_dma_descriptor {
uint32_t fdadr; /* next frame descriptor */
uint32_t fsadr; /* frame start address */
uint32_t fidr; /* frame ID */
uint32_t ldcmd; /* DMA command */
#define LDCMD_PAL (1U<<26) /* Pallet buffer */
#define LDCMD_SOFINT (1U<<22) /* Start of Frame interrupt */
#define LDCMD_EOFINT (1U<<21) /* End of Frame interrupt */
};
struct pxa2x0_lcd_screen {
LIST_ENTRY(pxa2x0_lcd_screen) link;
/* Frame buffer */
bus_dmamap_t dma;
bus_dma_segment_t segs[1];
int nsegs;
size_t buf_size;
size_t map_size;
void *buf_va;
int depth;
/* DMA frame descriptor */
struct lcd_dma_descriptor *dma_desc;
paddr_t dma_desc_pa;
/* rasterop */
struct rasops_info rinfo;
};
struct pxa2x0_lcd_softc {
struct device dev;
/* control register */
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_dma_tag_t dma_tag;
const struct lcd_panel_geometry *geometry;
int n_screens;
LIST_HEAD(, pxa2x0_lcd_screen) screens;
struct pxa2x0_lcd_screen *active;
void *ih; /* interrupt handler */
};
void pxa2x0_lcd_attach_sub(struct pxa2x0_lcd_softc *, struct pxaip_attach_args *,
const struct lcd_panel_geometry *);
void pxa2x0_lcd_start_dma(struct pxa2x0_lcd_softc *, struct pxa2x0_lcd_screen *);
struct lcd_panel_geometry {
short panel_width;
short panel_height;
short extra_lines;
short panel_info;
#define LCDPANEL_VSP (1<<0) /* L_FCLK pin is active low */
#define LCDPANEL_HSP (1<<1) /* L_LCLK pin is active low */
#define LCDPANEL_PCP (1<<2) /* use L_PCLK falling edge */
#define LCDPANEL_OEP (1<<3) /* L_BIAS pin is active low */
#define LCDPANEL_DPC (1<<4) /* double pixel clock mode */
#define LCDPANEL_DUAL (1<<5) /* Dual or single */
#define LCDPANEL_SINGLE 0
#define LCDPANEL_ACTIVE (1<<6) /* Active or Passive */
#define LCDPANEL_PASSIVE 0
#define LCDPANEL_MONOCHROME (1<<7) /* depth=1 */
short pixel_clock_div; /* pixel clock divider */
short ac_bias; /* AC bias pin frequency */
short hsync_pulse_width; /* Horizontao sync pulse width */
short beg_line_wait; /* beginning of line wait (BLW) */
short end_line_wait; /* end of line pxel wait (ELW) */
short vsync_pulse_width; /* vertical sync pulse width */
short beg_frame_wait; /* beginning of frame wait (BFW) */
short end_frame_wait; /* end of frame wait (EFW) */
};
void pxa2x0_lcd_geometry(struct pxa2x0_lcd_softc *,
const struct lcd_panel_geometry *);
struct pxa2x0_lcd_screen *pxa2x0_lcd_new_screen(
struct pxa2x0_lcd_softc *, int depth);
/*
* we need bits-per-pixel value to configure wsdisplay screen
*/
struct pxa2x0_wsscreen_descr {
struct wsscreen_descr c; /* standard descriptor */
int depth; /* bits per pixel */
};
int pxa2x0_lcd_setup_wsscreen(struct pxa2x0_wsscreen_descr *,
const struct lcd_panel_geometry *, const char * );
int pxa2x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int), void *);
int pxa2x0_lcd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p);
paddr_t pxa2x0_lcd_mmap(void *, off_t, int);
int pxa2x0_lcd_alloc_screen(void *, const struct wsscreen_descr *,
void **, int *, int *, long *);
void pxa2x0_lcd_free_screen(void *, void *);
extern const struct wsdisplay_emulops pxa2x0_lcd_emulops;
#endif /* _ARM_XSCALE_PXA2X0_LCD_H */
|
