/* $NetBSD: pxa2x0_lcd.h,v 1.11 2022/03/09 23:09:15 andvar 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 <sys/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 { device_t dev; /* control register */ bus_space_tag_t iot; bus_space_handle_t ioh; bus_dma_tag_t dma_tag; uint32_t flags; #define FLAG_NOUSE_ACBIAS (1U<<0) 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 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) */ short pcd_div; /* PCD divisor selection */ }; /* * 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 *, const struct lcd_panel_geometry *); int pxa2x0_lcd_cnattach(struct pxa2x0_wsscreen_descr *, const struct lcd_panel_geometry *); void pxa2x0_lcd_start_dma(struct pxa2x0_lcd_softc *, struct pxa2x0_lcd_screen *); void pxa2x0_lcd_geometry(struct pxa2x0_lcd_softc *, const struct lcd_panel_geometry *); int pxa2x0_lcd_new_screen(struct pxa2x0_lcd_softc *, int, struct pxa2x0_lcd_screen **); int pxa2x0_lcd_setup_wsscreen(struct pxa2x0_wsscreen_descr *, const struct lcd_panel_geometry *, const char * ); 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 *, void *, u_long, void *, int, struct lwp *); paddr_t pxa2x0_lcd_mmap(void *, void *, off_t, int); int pxa2x0_lcd_show_screen(void *, void *, int, void (*)(void *, int, int), void *); void pxa2x0_lcd_power(int, void *); void pxa2x0_lcd_suspend(struct pxa2x0_lcd_softc *); void pxa2x0_lcd_resume(struct pxa2x0_lcd_softc *); extern const struct wsdisplay_emulops pxa2x0_lcd_emulops; #endif /* _ARM_XSCALE_PXA2X0_LCD_H */
