125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
/* $NetBSD: s3c24x0_lcd.h,v 1.7 2022/05/23 21:46:11 andvar Exp $ */
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/*
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* Copyright (c) 2004 Genetec Corporation. All rights reserved.
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* Written by Hiroyuki Bessho for Genetec Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Genetec Corporation may not be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_S3C2XX0_S3C24X0_LCD_H
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#define _ARM_S3C2XX0_S3C24X0_LCD_H
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#include <dev/rasops/rasops.h>
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#include <sys/bus.h>
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/* LCD Contoroller */
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struct s3c24x0_lcd_screen {
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LIST_ENTRY(s3c24x0_lcd_screen) link;
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/* Frame buffer */
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bus_dmamap_t dma;
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bus_dma_segment_t segs[1];
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int nsegs;
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size_t buf_size;
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size_t map_size;
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void *buf_va;
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int depth;
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int stride;
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/* rasterop */
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struct rasops_info rinfo;
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};
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struct s3c24x0_lcd_softc {
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device_t sc_dev;
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/* control registers */
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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bus_dma_tag_t dma_tag;
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const struct s3c24x0_lcd_panel_info *panel_info;
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LIST_HEAD(, s3c24x0_lcd_screen) screens;
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struct s3c24x0_lcd_screen *active;
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void *ih; /* interrupt handler */
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int n_screens;
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int lcd_on; /* LCD is turned on */
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};
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void s3c24x0_lcd_attach_sub(struct s3c24x0_lcd_softc *,
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struct s3c2xx0_attach_args *, const struct s3c24x0_lcd_panel_info *);
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int s3c24x0_lcd_start_dma(struct s3c24x0_lcd_softc *,
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struct s3c24x0_lcd_screen *);
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struct s3c24x0_lcd_panel_info {
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short panel_width;
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short panel_height;
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int pixel_clock; /* in Hz */
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/* Initial values to go to LCD control registers */
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uint32_t lcdcon1;
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uint32_t lcdcon2;
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uint32_t lcdcon3;
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uint32_t lcdcon4;
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uint32_t lcdcon5;
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uint32_t lpcsel;
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#define s3c24x0_lcd_panel_tft(info) \
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(((info)->lcdcon1 & LCDCON1_PNRMODE_MASK) == LCDCON1_PNRMODE_TFT)
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};
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void s3c24x0_set_lcd_panel_info(struct s3c24x0_lcd_softc *,
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const struct s3c24x0_lcd_panel_info *);
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struct s3c24x0_lcd_screen *s3c24x0_lcd_new_screen(struct s3c24x0_lcd_softc *,
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int, int, int);
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/*
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* we need bits-per-pixel value to configure wsdisplay screen
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*/
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struct s3c24x0_wsscreen_descr {
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struct wsscreen_descr c; /* standard descriptor */
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int depth; /* bits per pixel */
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};
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int s3c24x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int),
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void *);
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int s3c24x0_lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
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struct lwp *p);
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paddr_t s3c24x0_lcd_mmap(void *, void *, off_t, int);
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int s3c24x0_lcd_alloc_screen(void *, const struct wsscreen_descr *, void **,
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int *, int *, long *);
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void s3c24x0_lcd_free_screen(void *, void *);
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void s3c24x0_lcd_power(struct s3c24x0_lcd_softc *, int);
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extern const struct wsdisplay_emulops s3c24x0_lcd_emulops;
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#endif /* _ARM_S3C2XX0_S3C24X0_LCD_H */
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