150 lines
5.1 KiB
C
150 lines
5.1 KiB
C
/* $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 */
|