Annotation of sys/arch/arm/xscale/pxa2x0_lcd.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pxa2x0_lcd.h,v 1.11 2005/12/22 18:45:46 deraadt Exp $ */
! 2: /* $NetBSD: pxa2x0_lcd.h,v 1.2 2003/06/17 09:43:14 bsh Exp $ */
! 3: /*
! 4: * Copyright (c) 2002 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. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed for the NetBSD Project by
! 18: * Genetec Corporation.
! 19: * 4. The name of Genetec Corporation may not be used to endorse or
! 20: * promote products derived from this software without specific prior
! 21: * written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 25: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 26: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
! 27: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 28: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 29: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 30: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 31: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 32: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 33: * POSSIBILITY OF SUCH DAMAGE.
! 34: */
! 35:
! 36:
! 37: #ifndef _ARM_XSCALE_PXA2X0_LCD_H
! 38: #define _ARM_XSCALE_PXA2X0_LCD_H
! 39:
! 40: #include <dev/rasops/rasops.h>
! 41: #include <machine/bus.h>
! 42:
! 43: /* LCD Controller */
! 44:
! 45: struct lcd_dma_descriptor {
! 46: uint32_t fdadr; /* next frame descriptor */
! 47: uint32_t fsadr; /* frame start address */
! 48: uint32_t fidr; /* frame ID */
! 49: uint32_t ldcmd; /* DMA command */
! 50: #define LDCMD_PAL (1U<<26) /* Palette buffer */
! 51: #define LDCMD_SOFINT (1U<<22) /* Start of Frame interrupt */
! 52: #define LDCMD_EOFINT (1U<<21) /* End of Frame interrupt */
! 53: };
! 54:
! 55:
! 56: struct pxa2x0_lcd_screen {
! 57: LIST_ENTRY(pxa2x0_lcd_screen) link;
! 58:
! 59: /* Frame buffer */
! 60: bus_dmamap_t dma;
! 61: bus_dma_segment_t segs[1];
! 62: int nsegs;
! 63: size_t buf_size;
! 64: size_t map_size;
! 65: void *buf_va;
! 66: int depth;
! 67:
! 68: /* DMA frame descriptor */
! 69: struct lcd_dma_descriptor *dma_desc;
! 70: paddr_t dma_desc_pa;
! 71:
! 72: /* rasterop */
! 73: struct rasops_info rinfo;
! 74: };
! 75:
! 76: struct pxa2x0_lcd_softc {
! 77: struct device dev;
! 78: /* control register */
! 79: bus_space_tag_t iot;
! 80: bus_space_handle_t ioh;
! 81: bus_dma_tag_t dma_tag;
! 82:
! 83: const struct lcd_panel_geometry *geometry;
! 84:
! 85: int n_screens;
! 86: LIST_HEAD(, pxa2x0_lcd_screen) screens;
! 87: struct pxa2x0_lcd_screen *active;
! 88:
! 89: void *ih; /* interrupt handler */
! 90: };
! 91:
! 92: struct lcd_panel_geometry {
! 93: short panel_width;
! 94: short panel_height;
! 95: short extra_lines;
! 96:
! 97: short panel_info;
! 98: #define LCDPANEL_VSP (1<<0) /* L_FCLK pin is active low */
! 99: #define LCDPANEL_HSP (1<<1) /* L_LCLK pin is active low */
! 100: #define LCDPANEL_PCP (1<<2) /* use L_PCLK falling edge */
! 101: #define LCDPANEL_OEP (1<<3) /* L_BIAS pin is active low */
! 102: #define LCDPANEL_DPC (1<<4) /* double pixel clock mode */
! 103:
! 104: #define LCDPANEL_DUAL (1<<5) /* Dual or single */
! 105: #define LCDPANEL_SINGLE 0
! 106: #define LCDPANEL_ACTIVE (1<<6) /* Active or Passive */
! 107: #define LCDPANEL_PASSIVE 0
! 108: #define LCDPANEL_MONOCHROME (1<<7) /* depth=1 */
! 109:
! 110: short pixel_clock_div; /* pixel clock divider */
! 111: short ac_bias; /* AC bias pin frequency */
! 112:
! 113: short hsync_pulse_width; /* Horizontal sync pulse width */
! 114: short beg_line_wait; /* beginning of line wait (BLW) */
! 115: short end_line_wait; /* end of line pxel wait (ELW) */
! 116:
! 117: short vsync_pulse_width; /* vertical sync pulse width */
! 118: short beg_frame_wait; /* beginning of frame wait (BFW) */
! 119: short end_frame_wait; /* end of frame wait (EFW) */
! 120: };
! 121:
! 122: /*
! 123: * we need bits-per-pixel value to configure wsdisplay screen
! 124: */
! 125: struct pxa2x0_wsscreen_descr {
! 126: struct wsscreen_descr c; /* standard descriptor */
! 127: int depth; /* bits per pixel */
! 128: int flags; /* rasops flags */
! 129: };
! 130:
! 131: void pxa2x0_lcd_attach_sub(struct pxa2x0_lcd_softc *,
! 132: struct pxaip_attach_args *, struct pxa2x0_wsscreen_descr *,
! 133: const struct lcd_panel_geometry *, int);
! 134: int pxa2x0_lcd_cnattach(struct pxa2x0_wsscreen_descr *,
! 135: const struct lcd_panel_geometry *, void (*)(u_int, int));
! 136:
! 137: int pxa2x0_lcd_alloc_screen(void *, const struct wsscreen_descr *,
! 138: void **, int *, int *, long *);
! 139: void pxa2x0_lcd_free_screen(void *, void *);
! 140: int pxa2x0_lcd_ioctl(void *, u_long, caddr_t, int, struct proc *);
! 141: paddr_t pxa2x0_lcd_mmap(void *, off_t, int);
! 142: int pxa2x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int),
! 143: void *);
! 144: void pxa2x0_lcd_power(int, void *);
! 145: void pxa2x0_lcd_suspend(struct pxa2x0_lcd_softc *);
! 146: void pxa2x0_lcd_resume(struct pxa2x0_lcd_softc *);
! 147:
! 148: #endif /* _ARM_XSCALE_PXA2X0_LCD_H */
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