[PATCH 08/13] staging: fbtft: Use standard MIPI DCS command defines for ili9486

From: Priit Laes
Date: Sun Dec 20 2015 - 13:37:19 EST


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@xxxxxxxxx>
---
drivers/staging/fbtft/fb_ili9486.c | 35 ++++++++++++++++++-----------------
1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/fbtft/fb_ili9486.c b/drivers/staging/fbtft/fb_ili9486.c
index d9dfff6..fa38d88 100644
--- a/drivers/staging/fbtft/fb_ili9486.c
+++ b/drivers/staging/fbtft/fb_ili9486.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <video/mipi_display.h>

#include "fbtft.h"

@@ -28,11 +29,10 @@
static int default_init_sequence[] = {
/* Interface Mode Control */
-1, 0xb0, 0x0,
- /* Sleep OUT */
- -1, 0x11,
+ -1, MIPI_DCS_EXIT_SLEEP_MODE,
-2, 250,
/* Interface Pixel Format */
- -1, 0x3A, 0x55,
+ -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55,
/* Power Control 3 */
-1, 0xC2, 0x44,
/* VCOM Control 1 */
@@ -46,40 +46,41 @@ static int default_init_sequence[] = {
/* Digital Gamma Control 1 */
-1, 0xE2, 0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75,
0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00,
- /* Sleep OUT */
- -1, 0x11,
- /* Display ON */
- -1, 0x29,
+ -1, MIPI_DCS_EXIT_SLEEP_MODE,
+ -1, MIPI_DCS_SET_DISPLAY_ON,
/* end marker */
-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);
}

static int set_var(struct fbtft_par *par)
{
switch (par->info->var.rotate) {
case 0:
- write_reg(par, 0x36, 0x80 | (par->bgr << 3));
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+ 0x80 | (par->bgr << 3));
break;
case 90:
- write_reg(par, 0x36, 0x20 | (par->bgr << 3));
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+ 0x20 | (par->bgr << 3));
break;
case 180:
- write_reg(par, 0x36, 0x40 | (par->bgr << 3));
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+ 0x40 | (par->bgr << 3));
break;
case 270:
- write_reg(par, 0x36, 0xE0 | (par->bgr << 3));
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
+ 0xE0 | (par->bgr << 3));
break;
default:
break;
--
2.6.4

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