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Annotation of sys/arch/arm/s3c2xx0/s3c24x0_lcd.h, Revision 1.1

1.1     ! nbrk        1: /* $NetBSD: s3c24x0_lcd.h,v 1.4 2007/03/04 05:59:38 christos Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2004  Genetec Corporation.  All rights reserved.
        !             5:  * Written by Hiroyuki Bessho for Genetec Corporation.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. The name of Genetec Corporation may not be used to endorse or
        !            16:  *    promote products derived from this software without specific prior
        !            17:  *    written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
        !            20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            21:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            22:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
        !            23:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            24:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            25:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            26:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            27:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            28:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            29:  * POSSIBILITY OF SUCH DAMAGE.
        !            30:  */
        !            31:
        !            32:
        !            33: #ifndef _ARM_S3C2XX0_S3C24X0_LCD_H
        !            34: #define        _ARM_S3C2XX0_S3C24X0_LCD_H
        !            35:
        !            36: #include <dev/rasops/rasops.h>
        !            37: #include <machine/bus.h>
        !            38:
        !            39: /* LCD Contoroller */
        !            40:
        !            41: struct s3c24x0_lcd_screen {
        !            42:        LIST_ENTRY(s3c24x0_lcd_screen) link;
        !            43:
        !            44:        /* Frame buffer */
        !            45:        bus_dmamap_t dma;
        !            46:        bus_dma_segment_t segs[1];
        !            47:        int     nsegs;
        !            48:        size_t  buf_size;
        !            49:        size_t  map_size;
        !            50:        void    *buf_va;
        !            51:        int     depth;
        !            52:        int     stride;
        !            53:
        !            54:        /* rasterop */
        !            55:        struct rasops_info rinfo;
        !            56: };
        !            57:
        !            58: struct s3c24x0_lcd_softc {
        !            59:        struct device  dev;
        !            60:
        !            61:        /* control registers */
        !            62:        bus_space_tag_t         iot;
        !            63:        bus_space_handle_t      ioh;
        !            64:        bus_dma_tag_t           dma_tag;
        !            65:
        !            66:        const struct s3c24x0_lcd_panel_info *panel_info;
        !            67:
        !            68:        LIST_HEAD(, s3c24x0_lcd_screen) screens;
        !            69:        struct s3c24x0_lcd_screen *active;
        !            70:        void *ih;                       /* interrupt handler */
        !            71:
        !            72:        int n_screens;
        !            73:        int lcd_on;                     /* LCD is turned on */
        !            74: };
        !            75:
        !            76: void s3c24x0_lcd_attach_sub(struct s3c24x0_lcd_softc *,
        !            77:     struct s3c2xx0_attach_args *, const struct s3c24x0_lcd_panel_info *);
        !            78: int s3c24x0_lcd_start_dma(struct s3c24x0_lcd_softc *,
        !            79:     struct s3c24x0_lcd_screen *);
        !            80:
        !            81: struct s3c24x0_lcd_panel_info {
        !            82:        short panel_width;
        !            83:        short panel_height;
        !            84:        int   pixel_clock;              /* in Hz */
        !            85:
        !            86:        /* Initial values to go to LCD controll registers */
        !            87:        uint32_t lcdcon1;
        !            88:        uint32_t lcdcon2;
        !            89:        uint32_t lcdcon3;
        !            90:        uint32_t lcdcon4;
        !            91:        uint32_t lcdcon5;
        !            92:        uint32_t lpcsel;
        !            93:
        !            94: #define        s3c24x0_lcd_panel_tft(info)     \
        !            95:        (((info)->lcdcon1 & LCDCON1_PNRMODE_MASK) == LCDCON1_PNRMODE_TFT)
        !            96: };
        !            97:
        !            98: void s3c24x0_set_lcd_panel_info(struct s3c24x0_lcd_softc *,
        !            99:     const struct s3c24x0_lcd_panel_info *);
        !           100:
        !           101: struct s3c24x0_lcd_screen *s3c24x0_lcd_new_screen(struct s3c24x0_lcd_softc *,
        !           102:     int, int, int);
        !           103:
        !           104: /*
        !           105:  * we need bits-per-pixel value to configure wsdisplay screen
        !           106:  */
        !           107: struct s3c24x0_wsscreen_descr {
        !           108:        struct wsscreen_descr  c;       /* standard descriptor */
        !           109:        int depth;                      /* bits per pixel */
        !           110: };
        !           111:
        !           112: int s3c24x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int),
        !           113:     void *);
        !           114: int s3c24x0_lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
        !           115:     struct lwp *p);
        !           116: paddr_t        s3c24x0_lcd_mmap(void *, void *, off_t, int);
        !           117: int s3c24x0_lcd_alloc_screen(void *, const struct wsscreen_descr *, void **,
        !           118:     int *, int *, long *);
        !           119: void s3c24x0_lcd_free_screen(void *, void *);
        !           120: void s3c24x0_lcd_power(struct s3c24x0_lcd_softc *, int);
        !           121:
        !           122: extern const struct wsdisplay_emulops s3c24x0_lcd_emulops;
        !           123:
        !           124: #endif /* _ARM_S3C2XX0_S3C24X0_LCD_H */