Add Mr.Lee to CC.
On 09/19/2012 10:01 PM, Piotr Wilczek wrote:
This patch add ld9040 video driver: new file: drivers/video/ld9040.c new file: include/ld9040.h modified: drivers/video/Makefile
This patch depends on software SPI: 1346228122-13444-2-git-send-email-p.wilczek@samsung.com
Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com CC: Minkyu Kang mk7.kang@samsung.com
Changes in v2:
- none.
drivers/video/Makefile | 1 + drivers/video/ld9040.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++ include/ld9040.h | 32 ++++++++++ 3 files changed, 180 insertions(+), 0 deletions(-) create mode 100644 drivers/video/ld9040.c create mode 100644 include/ld9040.h
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ebb6da8..247b867 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -37,6 +37,7 @@ COBJS-$(CONFIG_EXYNOS_PWM_BL) += exynos_pwm_bl.o COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o COBJS-$(CONFIG_S6E63D6) += s6e63d6.o +COBJS-$(CONFIG_LD9040) += ld9040.o COBJS-$(CONFIG_SED156X) += sed156x.o COBJS-$(CONFIG_VIDEO_AMBA) += amba.o COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o diff --git a/drivers/video/ld9040.c b/drivers/video/ld9040.c new file mode 100644 index 0000000..6e94086 --- /dev/null +++ b/drivers/video/ld9040.c @@ -0,0 +1,147 @@ +/*
- ld9040 AMOLED LCD panel driver.
- Copyright (C) 2012 Samsung Electronics
- Donghwa Lee dh09.lee@samsung.com
- See file CREDITS for list of people who contributed to this
- project.
- 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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- MA 02111-1307 USA
- */
+#include <common.h> +#include <spi.h>
+/* these machine specific platform data would be setting at universal.c */ +struct spi_platform_data *ld9040;
+static const unsigned char SEQ_SWRESET[] = {
- 0x01,
+};
+static const unsigned char SEQ_USER_SETTING[] = {
- 0xF0, 0x5A, 0x5A
+};
+static const unsigned char SEQ_ELVSS_ON[] = {
- 0xB1, 0x0D, 0x00, 0x16,
+};
+static const unsigned char SEQ_TEMP_SWIRE[] = {
- 0xB2, 0x06, 0x06, 0x06, 0x06,
+};
+static const unsigned char SEQ_GTCON[] = {
- 0xF7, 0x09, 0x00, 0x00,
+};
+static const unsigned char SEQ_PANEL_CONDITION[] = {
- 0xF8, 0x05, 0x65, 0x96, 0x71, 0x7D, 0x19, 0x3B,
- 0x0D, 0x19, 0x7E, 0x0D, 0xE2, 0x00, 0x00, 0x7E,
- 0x7D, 0x07, 0x07, 0x20, 0x20, 0x20, 0x02, 0x02,
+};
+static const unsigned char SEQ_GAMMA_SET1[] = {
- 0xF9, 0x00, 0xA7, 0xB4, 0xAE, 0xBF, 0x00, 0x91,
- 0x00, 0xB2, 0xB4, 0xAA, 0xBB, 0x00, 0xAC, 0x00,
- 0xB3, 0xB1, 0xAA, 0xBC, 0x00, 0xB3,
+};
+static const unsigned char SEQ_GAMMA_CTRL[] = {
- 0xFB, 0x02, 0x5A,
+};
+static const unsigned char SEQ_APON[] = {
- 0xF3, 0x00, 0x00, 0x00, 0x0A, 0x02,
+};
+static const unsigned char SEQ_DISPCTL[] = {
- 0xF2, 0x02, 0x08, 0x08, 0x10, 0x10,
+};
+static const unsigned char SEQ_MANPWR[] = {
- 0xB0, 0x04,
+};
+static const unsigned char SEQ_PWR_CTRL[] = {
- 0xF4, 0x0A, 0x87, 0x25, 0x6A, 0x44, 0x02, 0x88,
+};
+static const unsigned char SEQ_SLPOUT[] = {
- 0x11,
+};
+static const unsigned char SEQ_SLPIN[] = {
- 0x10,
+};
+static const unsigned char SEQ_DISPON[] = {
- 0x29,
+};
+static const unsigned char SEQ_DISPOFF[] = {
- 0x28,
+};
+static void ld9040_spi_write(const unsigned char *wbuf, unsigned int size_cmd) +{
- int i = 0;
- /*
* Data are transmitted in 9-bit words:* the first bit is command/parameter, the other are the value.* The value's LSB is shifted to MSB position, to be sent as 9th bit*/- unsigned int data_out = 0, data_in = 0;
- for (i = 0; i < size_cmd; i++) {
data_out = wbuf[i] >> 1;if (i != 0)data_out += 0x0080;if (wbuf[i] & 0x01)data_out += 0x8000;spi_xfer(NULL, 9, &data_out, &data_in, SPI_XFER_BEGIN);- }
+}
+void ld9040_cfg_ldo(void) +{
- udelay(10);
- ld9040_spi_write(SEQ_USER_SETTING,
ARRAY_SIZE(SEQ_USER_SETTING));- ld9040_spi_write(SEQ_PANEL_CONDITION,
ARRAY_SIZE(SEQ_PANEL_CONDITION));- ld9040_spi_write(SEQ_DISPCTL, ARRAY_SIZE(SEQ_DISPCTL));
- ld9040_spi_write(SEQ_MANPWR, ARRAY_SIZE(SEQ_MANPWR));
- ld9040_spi_write(SEQ_PWR_CTRL, ARRAY_SIZE(SEQ_PWR_CTRL));
- ld9040_spi_write(SEQ_ELVSS_ON, ARRAY_SIZE(SEQ_ELVSS_ON));
- ld9040_spi_write(SEQ_GTCON, ARRAY_SIZE(SEQ_GTCON));
- ld9040_spi_write(SEQ_GAMMA_SET1, ARRAY_SIZE(SEQ_GAMMA_SET1));
- ld9040_spi_write(SEQ_GAMMA_CTRL, ARRAY_SIZE(SEQ_GAMMA_CTRL));
- ld9040_spi_write(SEQ_SLPOUT, ARRAY_SIZE(SEQ_SLPOUT));
- udelay(120);
+}
+void ld9040_enable_ldo(unsigned int onoff) +{
- if (onoff)
ld9040_spi_write(SEQ_DISPON, ARRAY_SIZE(SEQ_DISPON));- else
ld9040_spi_write(SEQ_DISPOFF, ARRAY_SIZE(SEQ_DISPOFF));+} diff --git a/include/ld9040.h b/include/ld9040.h new file mode 100644 index 0000000..fe99390 --- /dev/null +++ b/include/ld9040.h @@ -0,0 +1,32 @@ +/*
- ld9040 AMOLED LCD panel driver.
- Copyright (C) 2012 Samsung Electronics
- Donghwa Lee dh09.lee@samsung.com
- See file CREDITS for list of people who contributed to this
- project.
- 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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- MA 02111-1307 USA
- */
+#ifndef __LD9040_H_ +#define __LD9040_H_
+void ld9040_cfg_ldo(void); +void ld9040_enable_ldo(unsigned int onoff);
+#endif /* __LD9040_H_ */