From 134028682f652b8221631b19c9bef1c3989635b6 Mon Sep 17 00:00:00 2001 From: Stefano Babic Date: Fri, 7 Oct 2011 23:27:34 +0000 Subject: VIDEO: davinci: add framebuffer to da8xx The patch is a port from the framebuffer driver of the Linux driver drivers/video/da8xx-fb.c, used on davinci da8xx and OMAP-L138 boards. As base for the port, the following commit (last changes for this driver at the moment in the Linux kernel tree) was taken: commit 1db41e032d563eb47deab40dc5595be306b143ba Author: axel lin Date: Tue Feb 22 01:52:42 2011 +0000 video: da8xx-fb: fix section mismatch warning Signed-off-by: Axel Lin Signed-off-by: Paul Mundt Signed-off-by: Stefano Babic CC: Sandeep Paulraj Cc: Anatolij Gustschin Acked-by: Anatolij Gustschin Signed-off-by: Sandeep Paulraj --- arch/arm/include/asm/arch-davinci/da8xx-fb.h | 126 +++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 arch/arm/include/asm/arch-davinci/da8xx-fb.h (limited to 'arch/arm') diff --git a/arch/arm/include/asm/arch-davinci/da8xx-fb.h b/arch/arm/include/asm/arch-davinci/da8xx-fb.h new file mode 100644 index 0000000..6d2327c --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/da8xx-fb.h @@ -0,0 +1,126 @@ +/* + * Porting to u-boot: + * + * (C) Copyright 2011 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * Copyright (C) 2008-2009 MontaVista Software Inc. + * Copyright (C) 2008-2009 Texas Instruments Inc + * + * Based on the LCD driver for TI Avalanche processors written by + * Ajay Singh and Shalom Hai. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option)any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef DA8XX_FB_H +#define DA8XX_FB_H + +enum panel_type { + QVGA = 0 +}; + +enum panel_shade { + MONOCHROME = 0, + COLOR_ACTIVE, + COLOR_PASSIVE, +}; + +enum raster_load_mode { + LOAD_DATA = 1, + LOAD_PALETTE, +}; + +struct display_panel { + enum panel_type panel_type; /* QVGA */ + int max_bpp; + int min_bpp; + enum panel_shade panel_shade; +}; + +struct da8xx_panel { + const char name[25]; /* Full name _ */ + unsigned short width; + unsigned short height; + int hfp; /* Horizontal front porch */ + int hbp; /* Horizontal back porch */ + int hsw; /* Horizontal Sync Pulse Width */ + int vfp; /* Vertical front porch */ + int vbp; /* Vertical back porch */ + int vsw; /* Vertical Sync Pulse Width */ + unsigned int pxl_clk; /* Pixel clock */ + unsigned char invert_pxl_clk; /* Invert Pixel clock */ +}; + +struct da8xx_lcdc_platform_data { + const char manu_name[10]; + void *controller_data; + const char type[25]; + void (*panel_power_ctrl)(int); +}; + +struct lcd_ctrl_config { + const struct display_panel *p_disp_panel; + + /* AC Bias Pin Frequency */ + int ac_bias; + + /* AC Bias Pin Transitions per Interrupt */ + int ac_bias_intrpt; + + /* DMA burst size */ + int dma_burst_sz; + + /* Bits per pixel */ + int bpp; + + /* FIFO DMA Request Delay */ + int fdd; + + /* TFT Alternative Signal Mapping (Only for active) */ + unsigned char tft_alt_mode; + + /* 12 Bit Per Pixel (5-6-5) Mode (Only for passive) */ + unsigned char stn_565_mode; + + /* Mono 8-bit Mode: 1=D0-D7 or 0=D0-D3 */ + unsigned char mono_8bit_mode; + + /* Invert line clock */ + unsigned char invert_line_clock; + + /* Invert frame clock */ + unsigned char invert_frm_clock; + + /* Horizontal and Vertical Sync Edge: 0=rising 1=falling */ + unsigned char sync_edge; + + /* Horizontal and Vertical Sync: Control: 0=ignore */ + unsigned char sync_ctrl; + + /* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */ + unsigned char raster_order; +}; + +struct lcd_sync_arg { + int back_porch; + int front_porch; + int pulse_width; +}; + +void da8xx_video_init(const struct da8xx_panel *panel, int bits_pixel); + +#endif /* ifndef DA8XX_FB_H */ + -- cgit v1.1