Message ID | 1348059674-14992-3-git-send-email-p.wilczek@samsung.com |
---|---|
State | Changes Requested |
Delegated to: | Minkyu Kang |
Headers | show |
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_ */ >
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_ */