staging: fbtft: Use standard MIPI DCS command defines for ili9481
authorPriit Laes <plaes@plaes.org>
Sun, 20 Dec 2015 18:36:01 +0000 (20:36 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Feb 2016 03:39:27 +0000 (19:39 -0800)
This patch makes use of the standard MIPI Display Command Set to remove
some of the magic constants found in source code.

Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/fbtft/fb_ili9481.c

index 63684864f3098def78d0adb2261821a8c44b1543..6fa5e4c21ab6b9e252115f552b6c3e8b7044901b 100644 (file)
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <video/mipi_display.h>
 
 #include "fbtft.h"
 
@@ -29,7 +30,7 @@
 static int default_init_sequence[] = {
 
        /* SLP_OUT - Sleep out */
-       -1, 0x11,
+       -1, MIPI_DCS_EXIT_SLEEP_MODE,
        -2, 50,
        /* Power setting */
        -1, 0xD0, 0x07, 0x42, 0x18,
@@ -42,25 +43,24 @@ static int default_init_sequence[] = {
        /* Frame rate & inv. */
        -1, 0xC5, 0x03,
        /* Pixel format */
-       -1, 0x3A, 0x55,
+       -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55,
        /* Gamma */
        -1, 0xC8, 0x00, 0x32, 0x36, 0x45, 0x06, 0x16,
                  0x37, 0x75, 0x77, 0x54, 0x0C, 0x00,
        /* DISP_ON */
-       -1, 0x29,
+       -1, MIPI_DCS_SET_DISPLAY_ON,
        -3
 };
 
 static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
 {
-       /* column address */
-       write_reg(par, 0x2a, xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
+       write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
+                 xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
 
-       /* Row address */
-       write_reg(par, 0x2b, ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
+       write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
+                 ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
 
-       /* memory write */
-       write_reg(par, 0x2c);
+       write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
 }
 
 #define HFLIP 0x01
@@ -70,16 +70,20 @@ static int set_var(struct fbtft_par *par)
 {
        switch (par->info->var.rotate) {
        case 270:
-               write_reg(par, 0x36, ROWxCOL | HFLIP | VFLIP | (par->bgr << 3));
+               write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+                         ROWxCOL | HFLIP | VFLIP | (par->bgr << 3));
                break;
        case 180:
-               write_reg(par, 0x36, VFLIP | (par->bgr << 3));
+               write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+                         VFLIP | (par->bgr << 3));
                break;
        case 90:
-               write_reg(par, 0x36, ROWxCOL | (par->bgr << 3));
+               write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+                         ROWxCOL | (par->bgr << 3));
                break;
        default:
-               write_reg(par, 0x36, HFLIP | (par->bgr << 3));
+               write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+                         HFLIP | (par->bgr << 3));
                break;
        }