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- /*
- * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> -
- * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef AM335X_FB_H
- #define AM335X_FB_H
- #define HSVS_CONTROL (0x01 << 25) /*
- * 0 = lcd_lp and lcd_fp are driven on
- * opposite edges of pixel clock than
- * the lcd_pixel_o
- * 1 = lcd_lp and lcd_fp are driven
- * according to bit 24 Note that this
- * bit MUST be set to '0' for Passive
- * Matrix displays the edge timing is
- * fixed
- */
- #define HSVS_RISEFALL (0x01 << 24) /*
- * 0 = lcd_lp and lcd_fp are driven on
- * the rising edge of pixel clock (bit
- * 25 must be set to 1)
- * 1 = lcd_lp and lcd_fp are driven on
- * the falling edge of pixel clock (bit
- * 25 must be set to 1)
- */
- #define DE_INVERT (0x01 << 23) /*
- * 0 = DE is low-active
- * 1 = DE is high-active
- */
- #define PXCLK_INVERT (0x01 << 22) /*
- * 0 = pix-clk is high-active
- * 1 = pic-clk is low-active
- */
- #define HSYNC_INVERT (0x01 << 21) /*
- * 0 = HSYNC is active high
- * 1 = HSYNC is avtive low
- */
- #define VSYNC_INVERT (0x01 << 20) /*
- * 0 = VSYNC is active high
- * 1 = VSYNC is active low
- */
- struct am335x_lcdpanel {
- unsigned int hactive; /* Horizontal active area */
- unsigned int vactive; /* Vertical active area */
- unsigned int bpp; /* bits per pixel */
- unsigned int hfp; /* Horizontal front porch */
- unsigned int hbp; /* Horizontal back porch */
- unsigned int hsw; /* Horizontal Sync Pulse Width */
- unsigned int vfp; /* Vertical front porch */
- unsigned int vbp; /* Vertical back porch */
- unsigned int vsw; /* Vertical Sync Pulse Width */
- unsigned int pxl_clk_div; /* Pixel clock divider*/
- unsigned int pol; /* polarity of sync, clock signals */
- unsigned int pup_delay; /*
- * time in ms after power on to
- * initialization of lcd-controller
- * (VCC ramp up time)
- */
- unsigned int pon_delay; /*
- * time in ms after initialization of
- * lcd-controller (pic stabilization)
- */
- void (*panel_power_ctrl)(int); /* fp for power on/off display */
- };
- int am335xfb_init(struct am335x_lcdpanel *panel);
- #endif /* AM335X_FB_H */
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