This patch add ld9040 video driver: new file: drivers/video/ld9040.c new file: include/ld9040.h modified: drivers/video/Makefile

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 CC: Donghwa Lee dh09.lee@samsung.com --- This patch depends on software SPI: 1348487791-18435-2-git-send-email-p.wilczek@samsung.com

Changes in v2: - none. Changes in v3: - 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_ */

Dear Minkyu,

-----Original Message----- From: Minkyu Kang [mailto:promsoft@gmail.com] Sent: Thursday, September 27, 2012 8:59 AM To: Piotr Wilczek Cc: u-boot@lists.denx.de; Kyungmin Park; Donghwa Lee Subject: Re: [U-Boot] [PATCH v3 2/5] drivers: video: Add ld9040 video driver

Dear Piotr,

On 24 September 2012 22:04, Piotr Wilczek p.wilczek@samsung.com wrote:

...

This patch add ld9040 video driver: new file: drivers/video/ld9040.c new file: include/ld9040.h modified: drivers/video/Makefile

It's a unnecessary information. Please remove it.

Ok.

...

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 CC: Donghwa Lee dh09.lee@samsung.com

---

This patch depends on software SPI: 1348487791-18435-2-git-send-email-p.wilczek@samsung.com

Changes in v2:

• none.

Changes in v3:

• 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

is author Donghwa?

I believe so. This driver is a modification of the driver that can be found in Kernel and the author is Mr. Donghwa Lee.

...

• • 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 */

is this panel driver for universal board only?

No it's not. This comment is unnecessary. Also, the following 'struct spi_platform_data *ld9040' is not used. I should remove both.

...

+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)); }

Thanks. Minkyu Kang. -- from. prom. www.promsoft.net

Thank you, Piotr Wilczek

Add LDO7 and LDO17 macros to max8998_pmic.h necessary to power on the LCD.

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. Changes in v3: - none. Changes in v4: - none.

include/max8998_pmic.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/max8998_pmic.h b/include/max8998_pmic.h index ca21f88..0e559f9 100644 --- a/include/max8998_pmic.h +++ b/include/max8998_pmic.h @@ -76,7 +76,9 @@ enum {

#define MAX8998_LDO3 (1 << 2) #define MAX8998_LDO4 (1 << 1) +#define MAX8998_LDO7 (1 << 6) #define MAX8998_LDO8 (1 << 5) +#define MAX8998_LDO17 (1 << 4) #define MAX8998_SAFEOUT1 (1 << 4)

#define MAX8998_I2C_ADDR (0xCC >> 1)

This patch use software spi on Samsung Universal C210 board.

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 --- New path added in v5.

board/samsung/universal_c210/universal.c | 87 +++++++++++++++++++++++------ include/configs/s5pc210_universal.h | 21 +++++++ 2 files changed, 90 insertions(+), 18 deletions(-)

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index ded97ca..4c1163e 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -23,7 +23,9 @@ */

#include <common.h> +#include <spi.h> #include <asm/io.h> +#include <asm/gpio.h> #include <asm/arch/adc.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> @@ -52,24 +54,6 @@ static int get_hwrev(void)

static void check_hw_revision(void);

-int board_init(void) -{ - gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; - gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; - - gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - -#if defined(CONFIG_PMIC) - pmic_init(); -#endif - - check_hw_revision(); - printf("HW Revision:\t0x%x\n", board_rev); - - return 0; -} - int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + @@ -284,3 +268,70 @@ int board_early_init_f(void)

return 0; } + +#ifdef CONFIG_SOFT_SPI +static void soft_spi_init(void) +{ + gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK, + CONFIG_SOFT_SPI_MODE & SPI_CPOL); + gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1); + gpio_direction_input(CONFIG_SOFT_SPI_GPIO_MISO); + gpio_direction_output(CONFIG_SOFT_SPI_GPIO_CS, + !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); +} + +void spi_cs_activate(struct spi_slave *slave) +{ + gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, + !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); + SPI_SCL(1); + gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, + CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, + !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); +} + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void universal_spi_scl(int bit) +{ + gpio_set_value(CONFIG_SOFT_SPI_GPIO_SCLK, bit); +} + +void universal_spi_sda(int bit) +{ + gpio_set_value(CONFIG_SOFT_SPI_GPIO_MOSI, bit); +} + +int universal_spi_read(void) +{ + return gpio_get_value(CONFIG_SOFT_SPI_GPIO_MISO); +} +#endif + +int board_init(void) +{ + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; + + gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + +#if defined(CONFIG_PMIC) + pmic_init(); +#endif +#ifdef CONFIG_SOFT_SPI + soft_spi_init(); +#endif + check_hw_revision(); + printf("HW Revision:\t0x%x\n", board_rev); + + return 0; +} diff --git a/include/configs/s5pc210_universal.h b/include/configs/s5pc210_universal.h index 07849fb..54ee8c4 100644 --- a/include/configs/s5pc210_universal.h +++ b/include/configs/s5pc210_universal.h @@ -263,4 +263,25 @@ #define CONFIG_USB_GADGET_S3C_UDC_OTG #define CONFIG_USB_GADGET_DUALSPEED

+/* + * SPI Settings + */ +#define CONFIG_SOFT_SPI +#define CONFIG_SOFT_SPI_MODE SPI_MODE_3 +#define CONFIG_SOFT_SPI_GPIO_SCLK exynos4_gpio_part2_get_nr(y3, 1) +#define CONFIG_SOFT_SPI_GPIO_MOSI exynos4_gpio_part2_get_nr(y3, 3) +#define CONFIG_SOFT_SPI_GPIO_MISO exynos4_gpio_part2_get_nr(y3, 0) +#define CONFIG_SOFT_SPI_GPIO_CS exynos4_gpio_part2_get_nr(y4, 3) + +#define SPI_DELAY udelay(1) +#undef SPI_INIT +#define SPI_SCL(bit) universal_spi_scl(bit) +#define SPI_SDA(bit) universal_spi_sda(bit) +#define SPI_READ universal_spi_read() +#ifndef __ASSEMBLY__ +void universal_spi_scl(int bit); +void universal_spi_sda(int bit); +int universal_spi_read(void); +#endif + #endif /* __CONFIG_H */

Add LDO7 and LDO17 macros to max8998_pmic.h necessary to power on the LCD.

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 Changes in v3: - none Changes in v4: - none Changes in v5: - none

include/max8998_pmic.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/max8998_pmic.h b/include/max8998_pmic.h index ca21f88..0e559f9 100644 --- a/include/max8998_pmic.h +++ b/include/max8998_pmic.h @@ -76,7 +76,9 @@ enum {

#define MAX8998_LDO3 (1 << 2) #define MAX8998_LDO4 (1 << 1) +#define MAX8998_LDO7 (1 << 6) #define MAX8998_LDO8 (1 << 5) +#define MAX8998_LDO17 (1 << 4) #define MAX8998_SAFEOUT1 (1 << 4)

#define MAX8998_I2C_ADDR (0xCC >> 1)

This patch fixes image position on screen when images's height or width is biger then the lcd's.

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 Changes in v3: - none Changes in v4: - none Changes in v4: - none

drivers/video/exynos_fb.c | 15 +++++++++++++-- 1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c index e31a0fd..d9a3f9a 100644 --- a/drivers/video/exynos_fb.c +++ b/drivers/video/exynos_fb.c @@ -70,8 +70,19 @@ static void draw_logo(void) int x, y; ulong addr;

- x = ((panel_width - panel_info.logo_width) >> 1); - y = ((panel_height - panel_info.logo_height) >> 1) - 4; + if (panel_width >= panel_info.logo_width) { + x = ((panel_width - panel_info.logo_width) >> 1); + } else { + x = 0; + printf("Warning: image width is bigger than display width\n"); + } + + if (panel_height >= panel_info.logo_height) { + y = ((panel_height - panel_info.logo_height) >> 1) - 4; + } else { + y = 0; + printf("Warning: image height is bigger than display height\n"); + }

addr = panel_info.logo_addr; bmp_display(addr, x, y);

This patch fixes image position on screen when images's height or width is biger than the lcd's.

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. Changes in v3: - none Changes in v4: - none

drivers/video/exynos_fb.c | 15 +++++++++++++-- 1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c index e31a0fd..d9a3f9a 100644 --- a/drivers/video/exynos_fb.c +++ b/drivers/video/exynos_fb.c @@ -70,8 +70,19 @@ static void draw_logo(void) int x, y; ulong addr;

- x = ((panel_width - panel_info.logo_width) >> 1); - y = ((panel_height - panel_info.logo_height) >> 1) - 4; + if (panel_width >= panel_info.logo_width) { + x = ((panel_width - panel_info.logo_width) >> 1); + } else { + x = 0; + printf("Warning: image width is bigger than display width\n"); + } + + if (panel_height >= panel_info.logo_height) { + y = ((panel_height - panel_info.logo_height) >> 1) - 4; + } else { + y = 0; + printf("Warning: image height is bigger than display height\n"); + }

addr = panel_info.logo_addr; bmp_display(addr, x, y);

Add EXYNOS4_DISPLAY_CONTROL definition

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: - removed definions for fimd. Changes in v3: - none.

arch/arm/include/asm/arch-exynos/cpu.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 2cd4ae1..5056b37 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -54,6 +54,7 @@ #define EXYNOS4_PWMTIMER_BASE 0x139D0000 #define EXYNOS4_MODEM_BASE 0x13A00000 #define EXYNOS4_USBPHY_CONTROL 0x10020704 +#define EXYNOS4_DISPLAY_CONTROL 0x10010210

#define EXYNOS4_GPIO_PART4_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_DP_BASE DEVICE_NOT_AVAILABLE

Dear Minkyu,

-----Original Message----- From: Minkyu Kang [mailto:promsoft@gmail.com] Sent: Thursday, September 27, 2012 2:21 AM To: Piotr Wilczek Cc: u-boot@lists.denx.de; Kyungmin Park; Donghwa Lee Subject: Re: [U-Boot] [PATCH v3 3/5] arm: exynos4: cpu: Add definition for display

Dear Piotr,

On 24 September 2012 22:04, Piotr Wilczek p.wilczek@samsung.com wrote:

...

Add EXYNOS4_DISPLAY_CONTROL definition

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:

• removed definions for fimd.

Changes in v3:

• none.

arch/arm/include/asm/arch-exynos/cpu.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/arch-exynos/cpu.h

b/arch/arm/include/asm/arch-exynos/cpu.h

...

index 2cd4ae1..5056b37 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -54,6 +54,7 @@ #define EXYNOS4_PWMTIMER_BASE 0x139D0000 #define EXYNOS4_MODEM_BASE 0x13A00000 #define EXYNOS4_USBPHY_CONTROL 0x10020704 +#define EXYNOS4_DISPLAY_CONTROL 0x10010210

This define is not used.

That is correct, thank you.

Thanks. Minkyu Kang. -- from. prom. www.promsoft.net

Best regards, Piotr Wilczek

This patch add support for display on Universal C210 board. Width of displayed logo must be not bigger than 480 pixel and is limited by width of the screen. Tizen logo size is 520x120 pixels should be reseized.

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: - removed unnecessary function for fimd clock set; - removed unnecessary return; - moved init_pmic_lcd to CONFIG_PMIC Changes in v3: - code cleanup.

board/samsung/universal_c210/universal.c | 202 +++++++++++++++++++++++++++--- include/configs/s5pc210_universal.h | 13 ++ 2 files changed, 197 insertions(+), 18 deletions(-)

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index 72999d9..f1ff299 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -24,6 +24,7 @@

#include <common.h> #include <spi.h> +#include <lcd.h> #include <asm/io.h> #include <asm/gpio.h> #include <asm/arch/adc.h> @@ -35,6 +36,8 @@ #include <asm/arch/cpu.h> #include <max8998_pmic.h> #include <asm/arch/watchdog.h> +#include <libtizen.h> +#include <ld9040.h>

DECLARE_GLOBAL_DATA_PTR;

@@ -54,24 +57,6 @@ static int get_hwrev(void)

static void check_hw_revision(void);

-int board_init(void) -{ - gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; - gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; - - gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - -#if defined(CONFIG_PMIC) - pmic_init(); -#endif - - check_hw_revision(); - printf("HW Revision:\t0x%x\n", board_rev); - - return 0; -} - int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + @@ -318,3 +303,184 @@ int spi_cs_is_valid(unsigned int bus, unsigned int cs) return bus == 0 && cs == 0; } #endif + +static void init_pmic_lcd(void) +{ + unsigned char val; + int ret = 0; + + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return; + + /* LDO7 1.8V */ + val = 0x02; /* (1800 - 1600) / 100; */ + ret |= pmic_reg_write(p, MAX8998_REG_LDO7, val); + + /* LDO17 3.0V */ + val = 0xe; /* (3000 - 1600) / 100; */ + ret |= pmic_reg_write(p, MAX8998_REG_LDO17, val); + + /* Disable unneeded regulators */ + /* + * ONOFF1 + * Buck1 ON, Buck2 OFF, Buck3 ON, Buck4 ON + * LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON + */ + val = 0xB9; + ret |= pmic_reg_write(p, MAX8998_REG_ONOFF1, val); + + /* ONOFF2 + * LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON, + * LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF + */ + val = 0x50; + ret |= pmic_reg_write(p, MAX8998_REG_ONOFF2, val); + + /* ONOFF3 + * LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF + * EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF + */ + val = 0x00; + ret |= pmic_reg_write(p, MAX8998_REG_ONOFF3, val); + + if (ret) + puts("LCD pmic initialisation error!\n"); +} + +static void lcd_cfg_gpio(void) +{ + unsigned int i, f3_end = 4; + + for (i = 0; i < 8; i++) { + /* set GPF0,1,2[0:7] for RGB Interface and Data lines (32bit) */ + s5p_gpio_cfg_pin(&gpio1->f0, i, GPIO_FUNC(2)); + s5p_gpio_cfg_pin(&gpio1->f1, i, GPIO_FUNC(2)); + s5p_gpio_cfg_pin(&gpio1->f2, i, GPIO_FUNC(2)); + /* pull-up/down disable */ + s5p_gpio_set_pull(&gpio1->f0, i, GPIO_PULL_NONE); + s5p_gpio_set_pull(&gpio1->f1, i, GPIO_PULL_NONE); + s5p_gpio_set_pull(&gpio1->f2, i, GPIO_PULL_NONE); + + /* drive strength to max (24bit) */ + s5p_gpio_set_drv(&gpio1->f0, i, GPIO_DRV_4X); + s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW); + s5p_gpio_set_drv(&gpio1->f1, i, GPIO_DRV_4X); + s5p_gpio_set_rate(&gpio1->f1, i, GPIO_DRV_SLOW); + s5p_gpio_set_drv(&gpio1->f2, i, GPIO_DRV_4X); + s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW); + } + + for (i = 0; i < f3_end; i++) { + /* set GPF3[0:3] for RGB Interface and Data lines (32bit) */ + s5p_gpio_cfg_pin(&gpio1->f3, i, GPIO_FUNC(2)); + /* pull-up/down disable */ + s5p_gpio_set_pull(&gpio1->f3, i, GPIO_PULL_NONE); + /* drive strength to max (24bit) */ + s5p_gpio_set_drv(&gpio1->f3, i, GPIO_DRV_4X); + s5p_gpio_set_rate(&gpio1->f3, i, GPIO_DRV_SLOW); + } + + /* gpio pad configuration for LCD reset. */ + s5p_gpio_cfg_pin(&gpio2->y4, 5, GPIO_OUTPUT); + + spi_init(); +} + +static void reset_lcd(void) +{ + s5p_gpio_set_value(&gpio2->y4, 5, 1); + udelay(10000); + s5p_gpio_set_value(&gpio2->y4, 5, 0); + udelay(10000); + s5p_gpio_set_value(&gpio2->y4, 5, 1); + udelay(100); +} + +static void lcd_power_on(void) +{ + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return; + + pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON); + pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON); +} + +vidinfo_t panel_info = { + .vl_freq = 60, + .vl_col = 480, + .vl_row = 800, + .vl_width = 480, + .vl_height = 800, + .vl_clkp = CONFIG_SYS_HIGH, + .vl_hsp = CONFIG_SYS_HIGH, + .vl_vsp = CONFIG_SYS_HIGH, + .vl_dp = CONFIG_SYS_HIGH, + + .vl_bpix = 5, /* Bits per pixel */ + + /* LD9040 LCD Panel */ + .vl_hspw = 2, + .vl_hbpd = 16, + .vl_hfpd = 16, + + .vl_vspw = 2, + .vl_vbpd = 8, + .vl_vfpd = 8, + .vl_cmd_allow_len = 0xf, + + .win_id = 0, + .cfg_gpio = lcd_cfg_gpio, + .backlight_on = NULL, + .lcd_power_on = lcd_power_on, + .reset_lcd = reset_lcd, + .dual_lcd_enabled = 0, + + .init_delay = 0, + .power_on_delay = 10000, + .reset_delay = 10000, + .interface_mode = FIMD_RGB_INTERFACE, + .mipi_enabled = 0, +}; + +void init_panel_info(vidinfo_t *vid) +{ + vid->logo_on = 1; + vid->resolution = HD_RESOLUTION; + vid->rgb_mode = MODE_RGB_P; + +#ifdef CONFIG_TIZEN + get_tizen_logo_info(vid); +#endif + + /* for LD9040. */ + vid->pclk_name = 1; /* MPLL */ + vid->sclk_div = 1; + + vid->cfg_ldo = ld9040_cfg_ldo; + vid->enable_ldo = ld9040_enable_ldo; + + setenv("lcdinfo", "lcd=ld9040"); +} + +int board_init(void) +{ + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; + + gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + +#if defined(CONFIG_PMIC) + pmic_init(); + init_pmic_lcd(); +#endif + + check_hw_revision(); + printf("HW Revision:\t0x%x\n", board_rev); + + return 0; +} diff --git a/include/configs/s5pc210_universal.h b/include/configs/s5pc210_universal.h index f7a7443..ca0989c 100644 --- a/include/configs/s5pc210_universal.h +++ b/include/configs/s5pc210_universal.h @@ -34,6 +34,7 @@ #define CONFIG_S5P 1 /* which is in a S5P Family */ #define CONFIG_EXYNOS4210 1 /* which is in a EXYNOS4210 */ #define CONFIG_UNIVERSAL 1 /* working with Universal */ +#define CONFIG_TIZEN 1 /* TIZEN lib */

#include <asm/arch/cpu.h> /* get chip and board defs */

@@ -283,4 +284,16 @@ void soft_spi_init(void); #endif

+/* + * LCD Settings + */ +#define CONFIG_EXYNOS_FB +#define CONFIG_LCD +#define CONFIG_CMD_BMP +#define CONFIG_BMP_32BPP +#define CONFIG_LD9040 +#define CONFIG_EXYNOS_MIPI_DSIM +#define CONFIG_VIDEO_BMP_GZIP +#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((520 * 120 * 4) + (1 << 12)) + #endif /* __CONFIG_H */

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_ */