186 lines
3.8 KiB
C
186 lines
3.8 KiB
C
/*
|
|
* linux/drivers/video/mmp/panel/tpo_tj032md01bw.c
|
|
* active panel using spi interface to do init
|
|
*
|
|
* Copyright (C) 2012 Marvell Technology Group Ltd.
|
|
* Authors: Guoqing Li <ligq@marvell.com>
|
|
* Lisa Du <cldu@marvell.com>
|
|
* Zhou Zhu <zzhu3@marvell.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/string.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/err.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <video/mmp_disp.h>
|
|
|
|
static u16 init[] = {
|
|
0x0801,
|
|
0x0800,
|
|
0x0200,
|
|
0x0304,
|
|
0x040e,
|
|
0x0903,
|
|
0x0b18,
|
|
0x0c53,
|
|
0x0d01,
|
|
0x0ee0,
|
|
0x0f01,
|
|
0x1058,
|
|
0x201e,
|
|
0x210a,
|
|
0x220a,
|
|
0x231e,
|
|
0x2400,
|
|
0x2532,
|
|
0x2600,
|
|
0x27ac,
|
|
0x2904,
|
|
0x2aa2,
|
|
0x2b45,
|
|
0x2c45,
|
|
0x2d15,
|
|
0x2e5a,
|
|
0x2fff,
|
|
0x306b,
|
|
0x310d,
|
|
0x3248,
|
|
0x3382,
|
|
0x34bd,
|
|
0x35e7,
|
|
0x3618,
|
|
0x3794,
|
|
0x3801,
|
|
0x395d,
|
|
0x3aae,
|
|
0x3bff,
|
|
0x07c9,
|
|
};
|
|
|
|
static u16 poweroff[] = {
|
|
0x07d9,
|
|
};
|
|
|
|
struct tpohvga_plat_data {
|
|
void (*plat_onoff)(int status);
|
|
struct spi_device *spi;
|
|
};
|
|
|
|
static void tpohvga_onoff(struct mmp_panel *panel, int status)
|
|
{
|
|
struct tpohvga_plat_data *plat = panel->plat_data;
|
|
int ret;
|
|
|
|
if (status) {
|
|
plat->plat_onoff(1);
|
|
|
|
ret = spi_write(plat->spi, init, sizeof(init));
|
|
if (ret < 0)
|
|
dev_warn(panel->dev, "init cmd failed(%d)\n", ret);
|
|
} else {
|
|
ret = spi_write(plat->spi, poweroff, sizeof(poweroff));
|
|
if (ret < 0)
|
|
dev_warn(panel->dev, "poweroff cmd failed(%d)\n", ret);
|
|
|
|
plat->plat_onoff(0);
|
|
}
|
|
}
|
|
|
|
static struct mmp_mode mmp_modes_tpohvga[] = {
|
|
[0] = {
|
|
.pixclock_freq = 10394400,
|
|
.refresh = 60,
|
|
.xres = 320,
|
|
.yres = 480,
|
|
.hsync_len = 10,
|
|
.left_margin = 15,
|
|
.right_margin = 10,
|
|
.vsync_len = 2,
|
|
.upper_margin = 4,
|
|
.lower_margin = 2,
|
|
.invert_pixclock = 1,
|
|
.pix_fmt_out = PIXFMT_RGB565,
|
|
},
|
|
};
|
|
|
|
static int tpohvga_get_modelist(struct mmp_panel *panel,
|
|
struct mmp_mode **modelist)
|
|
{
|
|
*modelist = mmp_modes_tpohvga;
|
|
return 1;
|
|
}
|
|
|
|
static struct mmp_panel panel_tpohvga = {
|
|
.name = "tpohvga",
|
|
.panel_type = PANELTYPE_ACTIVE,
|
|
.get_modelist = tpohvga_get_modelist,
|
|
.set_onoff = tpohvga_onoff,
|
|
};
|
|
|
|
static int tpohvga_probe(struct spi_device *spi)
|
|
{
|
|
struct mmp_mach_panel_info *mi;
|
|
int ret;
|
|
struct tpohvga_plat_data *plat_data;
|
|
|
|
/* get configs from platform data */
|
|
mi = spi->dev.platform_data;
|
|
if (mi == NULL) {
|
|
dev_err(&spi->dev, "%s: no platform data defined\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* setup spi related info */
|
|
spi->bits_per_word = 16;
|
|
ret = spi_setup(spi);
|
|
if (ret < 0) {
|
|
dev_err(&spi->dev, "spi setup failed %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
plat_data = kzalloc(sizeof(*plat_data), GFP_KERNEL);
|
|
if (plat_data == NULL)
|
|
return -ENOMEM;
|
|
|
|
plat_data->spi = spi;
|
|
plat_data->plat_onoff = mi->plat_set_onoff;
|
|
panel_tpohvga.plat_data = plat_data;
|
|
panel_tpohvga.plat_path_name = mi->plat_path_name;
|
|
panel_tpohvga.dev = &spi->dev;
|
|
|
|
mmp_register_panel(&panel_tpohvga);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct spi_driver panel_tpohvga_driver = {
|
|
.driver = {
|
|
.name = "tpo-hvga",
|
|
},
|
|
.probe = tpohvga_probe,
|
|
};
|
|
module_spi_driver(panel_tpohvga_driver);
|
|
|
|
MODULE_AUTHOR("Lisa Du<cldu@marvell.com>");
|
|
MODULE_DESCRIPTION("Panel driver for tpohvga");
|
|
MODULE_LICENSE("GPL");
|