Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / mcc200 / lcd.c

diff --git a/qemu/roms/u-boot/board/mcc200/lcd.c b/qemu/roms/u-boot/board/mcc200/lcd.c
new file mode 100644 (file)
index 0000000..c911445
--- /dev/null
+++ b/qemu/roms/u-boot/board/mcc200/lcd.c
@@ -0,0 +1,200 @@
+/*
+ * (C) Copyright 2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <lcd.h>
+#include <mpc5xxx.h>
+#include <malloc.h>
+
+#ifdef CONFIG_LCD
+
+#undef SWAPPED_LCD /* For the previous h/w version */
+/*
+ *  The name of the device used for communication
+ * with the PSoC.
+ */
+#define PSOC_PSC       MPC5XXX_PSC2
+#define PSOC_BAUD      230400UL
+
+#define RTS_ASSERT     1
+#define RTS_NEGATE     0
+#define CTS_ASSERT     1
+#define CTS_NEGATE     0
+
+/*
+ * Dimensions in pixels
+ */
+#define LCD_WIDTH      160
+#define LCD_HEIGHT     100
+
+/*
+ * Dimensions in bytes
+ */
+#define LCD_BUF_SIZE   ((LCD_WIDTH*LCD_HEIGHT)>>3)
+
+#if LCD_BPP != LCD_MONOCHROME
+#error "MCC200 support only monochrome displays (1 bpp)!"
+#endif
+
+#define PSOC_RETRIES   10      /* each of PSOC_WAIT_TIME */
+#define PSOC_WAIT_TIME 10      /* usec */
+
+#include <video_font.h>
+#define FONT_WIDTH     VIDEO_FONT_WIDTH
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * LCD information
+ */
+vidinfo_t panel_info = {
+       LCD_WIDTH, LCD_HEIGHT, LCD_BPP
+};
+
+
+/*
+ *  The device we use to communicate with PSoC
+ */
+int serial_inited = 0;
+
+/*
+ *  Imported functions to support the PSoC protocol
+ */
+extern int serial_init_dev (unsigned long dev_base);
+extern void serial_setrts_dev (unsigned long dev_base, int s);
+extern int serial_getcts_dev (unsigned long dev_base);
+extern void serial_putc_raw_dev(unsigned long dev_base, const char c);
+
+/*
+ *  Just stubs for our driver, needed for compiling compabilty with
+ * the common LCD driver code.
+ */
+void lcd_initcolregs (void)
+{
+}
+
+void lcd_ctrl_init (void *lcdbase)
+{
+}
+
+/*
+ * Function sends the contents of the frame-buffer to the LCD
+ */
+void lcd_enable (void)
+{
+       int i, retries, fb_size;
+
+       if (!serial_inited) {
+               unsigned long baud;
+
+               baud = gd->baudrate;
+               gd->baudrate = PSOC_BAUD;
+               serial_init_dev(PSOC_PSC);
+               gd->baudrate = baud;
+               serial_setrts_dev (PSOC_PSC, RTS_ASSERT);
+               serial_inited = 1;
+       }
+
+       /*
+        *  Implement PSoC communication protocol:
+        * 1. Assert RTS, wait CTS assertion
+        * 2. Transmit data
+        * 3. Negate RTS, wait CTS negation
+        */
+
+       /* 1 */
+       serial_setrts_dev (PSOC_PSC, RTS_ASSERT);
+       for (retries = PSOC_RETRIES; retries; retries--) {
+               if (serial_getcts_dev(PSOC_PSC) == CTS_ASSERT)
+                       break;
+               udelay (PSOC_WAIT_TIME);
+       }
+       if (!retries) {
+               printf ("%s Error: PSoC doesn't respond on "
+                       "RTS ASSERT\n", __FUNCTION__);
+       }
+
+       /* 2 */
+       fb_size = panel_info.vl_row * (panel_info.vl_col >> 3);
+
+#if !defined(SWAPPED_LCD)
+       for (i=0; i<fb_size; i++) {
+               serial_putc_raw_dev(PSOC_PSC, ((char *)gd->fb_base)[i]);
+       }
+#else
+    {
+       int x, y, pwidth;
+       char *p = (char *)gd->fb_base;
+
+       pwidth = ((panel_info.vl_col+7) >> 3);
+       for (y=0; y<panel_info.vl_row; y++) {
+               i = y * pwidth;
+               for (x=0; x<pwidth; x+=5) {
+                       serial_putc_raw_dev (PSOC_PSC, (p[i+x+2]<<4 & 0xF0) | (p[i+x+3]>>4 & 0x0F));
+                       serial_putc_raw_dev (PSOC_PSC, (p[i+x+3]<<4 & 0xF0) | (p[i+x+4]>>4 & 0x0F));
+                       serial_putc_raw_dev (PSOC_PSC, (p[i+x+4]<<4 & 0xF0) | (p[i+x]>>4 & 0x0F));
+                       serial_putc_raw_dev (PSOC_PSC, (p[i+x]<<4 & 0xF0) | (p[i+x+1]>>4 & 0x0F));
+                       serial_putc_raw_dev (PSOC_PSC, (p[i+x+1]<<4 & 0xF0) | (p[i+x+2]>>4 & 0x0F));
+               }
+       }
+    }
+#endif
+
+       /* 3 */
+       serial_setrts_dev (PSOC_PSC, RTS_NEGATE);
+       for (retries = PSOC_RETRIES; retries; retries--) {
+               if (serial_getcts_dev(PSOC_PSC) == CTS_NEGATE)
+                       break;
+               udelay (PSOC_WAIT_TIME);
+       }
+
+       return;
+}
+#ifdef CONFIG_PROGRESSBAR
+
+void show_progress (int size, int tot)
+{
+       int cnt;
+       int i;
+       static int rc = 0;
+
+       rc += size;
+
+       cnt = ((LCD_WIDTH/FONT_WIDTH) * rc) / tot;
+
+       rc -= (cnt * tot) / (LCD_WIDTH/FONT_WIDTH);
+
+       for (i = 0; i < cnt; i++) {
+               lcd_putc(0xdc);
+       }
+
+       if (cnt) {
+               lcd_enable(); /* MCC200-specific - send the framebuffer to PSoC */
+       }
+}
+
+#endif
+
+int bmp_display(ulong addr, int x, int y)
+{
+       int ret;
+       bmp_image_t *bmp = (bmp_image_t *)addr;
+
+       if (!bmp) {
+               printf("There is no valid bmp file at the given address\n");
+               return 1;
+       }
+
+       ret = lcd_display_bitmap((ulong)bmp, x, y);
+
+       if ((unsigned long)bmp != addr)
+               free(bmp);
+
+       return ret;
+}
+
+#endif /* CONFIG_LCD */