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/* $OpenBSD: pxa2x0_lcd.h,v 1.10 2005/09/15 20:23:10 miod Exp $ */
/* $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 Controller */
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) /* Palette 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 */
};
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; /* Horizontal 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) */
};
/*
* 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 flags; /* rasops flags */
};
void pxa2x0_lcd_attach_sub(struct pxa2x0_lcd_softc *,
struct pxaip_attach_args *, struct pxa2x0_wsscreen_descr *,
const struct lcd_panel_geometry *, int);
int pxa2x0_lcd_cnattach(struct pxa2x0_wsscreen_descr *,
const struct lcd_panel_geometry *, void (*)(u_int, int));
int pxa2x0_lcd_alloc_screen(void *, const struct wsscreen_descr *,
void **, int *, int *, long *);
void pxa2x0_lcd_free_screen(void *, void *);
int pxa2x0_lcd_ioctl(void *, u_long, caddr_t, int, struct proc *);
paddr_t pxa2x0_lcd_mmap(void *, off_t, int);
int pxa2x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int),
void *);
void pxa2x0_lcd_power(int, void *);
#endif /* _ARM_XSCALE_PXA2X0_LCD_H */
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