aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/fbtft/fb_tinylcd.c
diff options
context:
space:
mode:
authorPriit Laes <plaes@plaes.org>2015-12-20 20:36:06 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-07 19:39:27 -0800
commit440176316c67225ee821b852eac45c160f2a2bb7 (patch)
tree54fa809f467653576961ea8e148063cf02246b9c /drivers/staging/fbtft/fb_tinylcd.c
parentstaging: fbtft: Use standard MIPI DCS command defines for fbtft driver (diff)
downloadlinux-dev-440176316c67225ee821b852eac45c160f2a2bb7.tar.xz
linux-dev-440176316c67225ee821b852eac45c160f2a2bb7.zip
staging: fbtft: Use standard MIPI DCS command defines for tinylcd
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>
Diffstat (limited to 'drivers/staging/fbtft/fb_tinylcd.c')
-rw-r--r--drivers/staging/fbtft/fb_tinylcd.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/staging/fbtft/fb_tinylcd.c b/drivers/staging/fbtft/fb_tinylcd.c
index caf263db436a..097e71cfef62 100644
--- a/drivers/staging/fbtft/fb_tinylcd.c
+++ b/drivers/staging/fbtft/fb_tinylcd.c
@@ -18,6 +18,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <video/mipi_display.h>
#include "fbtft.h"
@@ -38,7 +39,7 @@ static int init_display(struct fbtft_par *par)
write_reg(par, 0xB4, 0x02);
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
write_reg(par, 0xB7, 0x07);
- write_reg(par, 0x36, 0x58);
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x58);
write_reg(par, 0xF0, 0x36, 0xA5, 0xD3);
write_reg(par, 0xE5, 0x80);
write_reg(par, 0xE5, 0x01);
@@ -47,24 +48,23 @@ static int init_display(struct fbtft_par *par)
write_reg(par, 0xF0, 0x36, 0xA5, 0x53);
write_reg(par, 0xE0, 0x00, 0x35, 0x33, 0x00, 0x00, 0x00,
0x00, 0x35, 0x33, 0x00, 0x00, 0x00);
- write_reg(par, 0x3A, 0x55);
- write_reg(par, 0x11);
+ write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
+ write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
udelay(250);
- write_reg(par, 0x29);
+ write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
return 0;
}
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)
@@ -72,19 +72,19 @@ static int set_var(struct fbtft_par *par)
switch (par->info->var.rotate) {
case 270:
write_reg(par, 0xB6, 0x00, 0x02, 0x3B);
- write_reg(par, 0x36, 0x28);
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x28);
break;
case 180:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
- write_reg(par, 0x36, 0x58);
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x58);
break;
case 90:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
- write_reg(par, 0x36, 0x38);
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x38);
break;
default:
write_reg(par, 0xB6, 0x00, 0x22, 0x3B);
- write_reg(par, 0x36, 0x08);
+ write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, 0x08);
break;
}