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staging: fbtft: Use standard MIPI DCS command defines for st7735r 

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>
This commit is contained in:
Priit Laes 2015-12-20 20:36:04 +02:00 committed by Greg Kroah-Hartman
parent 3d6924dd6a
commit 79f5da7d33
1 changed files with 20 additions and 22 deletions
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42
drivers/staging/fbtft/fb_st7735r.c
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@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <video/mipi_display.h>
#include "fbtft.h"
@ -25,12 +26,10 @@
"0F 1B 0F 17 33 2C 29 2E 30 30 39 3F 00 07 03 10"
static int default_init_sequence[] = {
/* SWRESET - Software reset */
-1, 0x01,
-1, MIPI_DCS_SOFT_RESET,
-2, 150, /* delay */
/* SLPOUT - Sleep out & booster on */
-1, 0x11,
-1, MIPI_DCS_EXIT_SLEEP_MODE,
-2, 500, /* delay */
/* FRMCTR1 - frame rate control: normal mode
@ -71,18 +70,14 @@ static int default_init_sequence[] = {
/* VMCTR1 - Power Control */
-1, 0xC5, 0x0E,
/* INVOFF - Display inversion off */
-1, 0x20,
-1, MIPI_DCS_EXIT_INVERT_MODE,
/* COLMOD - Interface pixel format */
-1, 0x3A, 0x05,
-1, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT,
/* DISPON - Display On */
-1, 0x29,
-1, MIPI_DCS_SET_DISPLAY_ON,
-2, 100, /* delay */
/* NORON - Partial off (Normal) */
-1, 0x13,
-1, MIPI_DCS_ENTER_NORMAL_MODE,
-2, 10, /* delay */
/* end marker */
@ -91,14 +86,13 @@ static int default_init_sequence[] = {
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 MY BIT(7)
@ -114,16 +108,20 @@ static int set_var(struct fbtft_par *par)
RGB-BGR ORDER color filter panel: 0=RGB, 1=BGR */
switch (par->info->var.rotate) {
case 0:
write_reg(par, 0x36, MX | MY | (par->bgr << 3));
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MY | (par->bgr << 3));
break;
case 270:
write_reg(par, 0x36, MY | MV | (par->bgr << 3));
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MY | MV | (par->bgr << 3));
break;
case 180:
write_reg(par, 0x36, par->bgr << 3);
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
par->bgr << 3);
break;
case 90:
write_reg(par, 0x36, MX | MV | (par->bgr << 3));
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE,
MX | MV | (par->bgr << 3));
break;
}