/*
- * MPC823 LCD Controller
+ * MPC823 and PXA LCD Controller
*
* Modeled after video interface by Paolo Scaffardi
*
*
* 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
+ * 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
#ifndef _LCD_H_
#define _LCD_H_
-#if defined(CONFIG_RBC823)
-void lcd_disable (void);
-#endif
-
extern char lcd_is_enabled;
+extern int lcd_line_length;
+extern int lcd_color_fg;
+extern int lcd_color_bg;
+
+/*
+ * Frame buffer memory information
+ */
+extern void *lcd_base; /* Start of framebuffer memory */
+extern void *lcd_console_address; /* Start of console buffer */
+
+extern short console_col;
+extern short console_row;
+
+#if defined CONFIG_MPC823
+/*
+ * LCD controller stucture for MPC823 CPU
+ */
+typedef struct vidinfo {
+ ushort vl_col; /* Number of columns (i.e. 640) */
+ ushort vl_row; /* Number of rows (i.e. 480) */
+ ushort vl_width; /* Width of display area in millimeters */
+ ushort vl_height; /* Height of display area in millimeters */
+
+ /* LCD configuration register */
+ u_char vl_clkp; /* Clock polarity */
+ u_char vl_oep; /* Output Enable polarity */
+ u_char vl_hsp; /* Horizontal Sync polarity */
+ u_char vl_vsp; /* Vertical Sync polarity */
+ u_char vl_dp; /* Data polarity */
+ u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
+ u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
+ u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
+ u_char vl_clor; /* Color, 0 = mono, 1 = color */
+ u_char vl_tft; /* 0 = passive, 1 = TFT */
+
+ /* Horizontal control register. Timing from data sheet */
+ ushort vl_wbl; /* Wait between lines */
+
+ /* Vertical control register */
+ u_char vl_vpw; /* Vertical sync pulse width */
+ u_char vl_lcdac; /* LCD AC timing */
+ u_char vl_wbf; /* Wait between frames */
+} vidinfo_t;
+
+extern vidinfo_t panel_info;
+
+#elif defined CONFIG_PXA250
+/*
+ * PXA LCD DMA descriptor
+ */
+struct pxafb_dma_descriptor {
+ u_long fdadr; /* Frame descriptor address register */
+ u_long fsadr; /* Frame source address register */
+ u_long fidr; /* Frame ID register */
+ u_long ldcmd; /* Command register */
+};
+
+/*
+ * PXA LCD info
+ */
+struct pxafb_info {
+
+ /* Misc registers */
+ u_long reg_lccr3;
+ u_long reg_lccr2;
+ u_long reg_lccr1;
+ u_long reg_lccr0;
+ u_long fdadr0;
+ u_long fdadr1;
+
+ /* DMA descriptors */
+ struct pxafb_dma_descriptor * dmadesc_fblow;
+ struct pxafb_dma_descriptor * dmadesc_fbhigh;
+ struct pxafb_dma_descriptor * dmadesc_palette;
+
+ u_long screen; /* physical address of frame buffer */
+ u_long palette; /* physical address of palette memory */
+ u_int palette_size;
+};
+
+/*
+ * LCD controller stucture for PXA CPU
+ */
+typedef struct vidinfo {
+ ushort vl_col; /* Number of columns (i.e. 640) */
+ ushort vl_row; /* Number of rows (i.e. 480) */
+ ushort vl_width; /* Width of display area in millimeters */
+ ushort vl_height; /* Height of display area in millimeters */
+
+ /* LCD configuration register */
+ u_char vl_clkp; /* Clock polarity */
+ u_char vl_oep; /* Output Enable polarity */
+ u_char vl_hsp; /* Horizontal Sync polarity */
+ u_char vl_vsp; /* Vertical Sync polarity */
+ u_char vl_dp; /* Data polarity */
+ u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
+ u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
+ u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
+ u_char vl_clor; /* Color, 0 = mono, 1 = color */
+ u_char vl_tft; /* 0 = passive, 1 = TFT */
+
+ /* Horizontal control register. Timing from data sheet */
+ ushort vl_hpw; /* Horz sync pulse width */
+ u_char vl_blw; /* Wait before of line */
+ u_char vl_elw; /* Wait end of line */
+
+ /* Vertical control register. */
+ u_char vl_vpw; /* Vertical sync pulse width */
+ u_char vl_bfw; /* Wait before of frame */
+ u_char vl_efw; /* Wait end of frame */
+
+ /* PXA LCD controller params */
+ struct pxafb_info pxa;
+} vidinfo_t;
+
+extern vidinfo_t panel_info;
+
+#endif /* CONFIG_MPC823 or CONFIG_PXA250 */
+
/* Video functions */
+#if defined(CONFIG_RBC823)
+void lcd_disable (void);
+#endif
+
+
/* int lcd_init (void *lcdbase); */
void lcd_putc (const char c);
void lcd_puts (const char *s);
void lcd_printf (const char *fmt, ...);
+
+/************************************************************************/
+/* ** BITMAP DISPLAY SUPPORT */
+/************************************************************************/
+#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
+# include <bmp_layout.h>
+# include <asm/byteorder.h>
+#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */
+
+/*
+ * Information about displays we are using. This is for configuring
+ * the LCD controller and memory allocation. Someone has to know what
+ * is connected, as we can't autodetect anything.
+ */
+#define CFG_HIGH 0 /* Pins are active high */
+#define CFG_LOW 1 /* Pins are active low */
+
+#define LCD_MONOCHROME 0
+#define LCD_COLOR2 1
+#define LCD_COLOR4 2
+#define LCD_COLOR8 3
+#define LCD_COLOR16 4
+
+/*----------------------------------------------------------------------*/
+#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
+# define LCD_INFO_X 0
+# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
+#elif defined(CONFIG_LCD_LOGO)
+# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
+#else
+# define LCD_INFO_X (VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
+#endif
+
+/* Default to 8bpp if bit depth not specified */
+#ifndef LCD_BPP
+# define LCD_BPP LCD_COLOR8
+#endif
+#ifndef LCD_DF
+# define LCD_DF 1
+#endif
+
+/* Calculate nr. of bits per pixel and nr. of colors */
+#define NBITS(bit_code) (1 << (bit_code))
+#define NCOLORS(bit_code) (1 << NBITS(bit_code))
+
+/************************************************************************/
+/* ** CONSOLE CONSTANTS */
+/************************************************************************/
+#if LCD_BPP == LCD_MONOCHROME
+
+/*
+ * Simple black/white definitions
+ */
+# define CONSOLE_COLOR_BLACK 0
+# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
+
+#elif LCD_BPP == LCD_COLOR8
+
+/*
+ * 8bpp color definitions
+ */
+# define CONSOLE_COLOR_BLACK 0
+# define CONSOLE_COLOR_RED 1
+# define CONSOLE_COLOR_GREEN 2
+# define CONSOLE_COLOR_YELLOW 3
+# define CONSOLE_COLOR_BLUE 4
+# define CONSOLE_COLOR_MAGENTA 5
+# define CONSOLE_COLOR_CYAN 6
+# define CONSOLE_COLOR_GREY 14
+# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
+
+#else
+
+/*
+ * 16bpp color definitions
+ */
+# define CONSOLE_COLOR_BLACK 0x0000
+# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+
+#endif /* color definitions */
+
+/************************************************************************/
+#ifndef PAGE_SIZE
+# define PAGE_SIZE 4096
+#endif
+
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS */
+/************************************************************************/
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
+ / VIDEO_FONT_HEIGHT)
+#else
+# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
+#endif
+
+#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
+#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
+#define CONSOLE_ROW_FIRST (lcd_console_address)
+#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
+#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
+ - CONSOLE_ROW_SIZE)
+#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
+#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
+
+#if LCD_BPP == LCD_MONOCHROME
+# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
+ (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+#elif LCD_BPP == LCD_COLOR8
+# define COLOR_MASK(c) (c)
+#else
+# error Unsupported LCD BPP.
#endif
+
+/************************************************************************/
+
+#endif /* _LCD_H_ */
projects / karo-tx-uboot.git / blobdiff