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

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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;
}