Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> CC: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>master
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/*
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* ld9040 AMOLED LCD panel driver. |
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* |
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* Copyright (C) 2012 Samsung Electronics |
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* Donghwa Lee <dh09.lee@samsung.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <spi.h> |
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static const unsigned char SEQ_SWRESET[] = { |
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0x01, |
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}; |
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static const unsigned char SEQ_USER_SETTING[] = { |
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0xF0, 0x5A, 0x5A |
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}; |
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static const unsigned char SEQ_ELVSS_ON[] = { |
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0xB1, 0x0D, 0x00, 0x16, |
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}; |
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static const unsigned char SEQ_TEMP_SWIRE[] = { |
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0xB2, 0x06, 0x06, 0x06, 0x06, |
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}; |
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static const unsigned char SEQ_GTCON[] = { |
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0xF7, 0x09, 0x00, 0x00, |
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}; |
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static const unsigned char SEQ_PANEL_CONDITION[] = { |
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0xF8, 0x05, 0x65, 0x96, 0x71, 0x7D, 0x19, 0x3B, |
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0x0D, 0x19, 0x7E, 0x0D, 0xE2, 0x00, 0x00, 0x7E, |
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0x7D, 0x07, 0x07, 0x20, 0x20, 0x20, 0x02, 0x02, |
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}; |
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static const unsigned char SEQ_GAMMA_SET1[] = { |
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0xF9, 0x00, 0xA7, 0xB4, 0xAE, 0xBF, 0x00, 0x91, |
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0x00, 0xB2, 0xB4, 0xAA, 0xBB, 0x00, 0xAC, 0x00, |
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0xB3, 0xB1, 0xAA, 0xBC, 0x00, 0xB3, |
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}; |
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static const unsigned char SEQ_GAMMA_CTRL[] = { |
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0xFB, 0x02, 0x5A, |
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}; |
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static const unsigned char SEQ_APON[] = { |
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0xF3, 0x00, 0x00, 0x00, 0x0A, 0x02, |
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}; |
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static const unsigned char SEQ_DISPCTL[] = { |
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0xF2, 0x02, 0x08, 0x08, 0x10, 0x10, |
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}; |
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static const unsigned char SEQ_MANPWR[] = { |
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0xB0, 0x04, |
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}; |
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static const unsigned char SEQ_PWR_CTRL[] = { |
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0xF4, 0x0A, 0x87, 0x25, 0x6A, 0x44, 0x02, 0x88, |
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}; |
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static const unsigned char SEQ_SLPOUT[] = { |
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0x11, |
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}; |
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static const unsigned char SEQ_SLPIN[] = { |
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0x10, |
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}; |
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static const unsigned char SEQ_DISPON[] = { |
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0x29, |
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}; |
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static const unsigned char SEQ_DISPOFF[] = { |
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0x28, |
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}; |
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static void ld9040_spi_write(const unsigned char *wbuf, unsigned int size_cmd) |
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{ |
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int i = 0; |
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/*
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* Data are transmitted in 9-bit words: |
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* the first bit is command/parameter, the other are the value. |
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* The value's LSB is shifted to MSB position, to be sent as 9th bit |
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*/ |
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unsigned int data_out = 0, data_in = 0; |
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for (i = 0; i < size_cmd; i++) { |
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data_out = wbuf[i] >> 1; |
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if (i != 0) |
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data_out += 0x0080; |
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if (wbuf[i] & 0x01) |
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data_out += 0x8000; |
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spi_xfer(NULL, 9, &data_out, &data_in, SPI_XFER_BEGIN); |
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} |
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} |
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void ld9040_cfg_ldo(void) |
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{ |
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udelay(10); |
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ld9040_spi_write(SEQ_USER_SETTING, |
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ARRAY_SIZE(SEQ_USER_SETTING)); |
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ld9040_spi_write(SEQ_PANEL_CONDITION, |
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ARRAY_SIZE(SEQ_PANEL_CONDITION)); |
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ld9040_spi_write(SEQ_DISPCTL, ARRAY_SIZE(SEQ_DISPCTL)); |
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ld9040_spi_write(SEQ_MANPWR, ARRAY_SIZE(SEQ_MANPWR)); |
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ld9040_spi_write(SEQ_PWR_CTRL, ARRAY_SIZE(SEQ_PWR_CTRL)); |
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ld9040_spi_write(SEQ_ELVSS_ON, ARRAY_SIZE(SEQ_ELVSS_ON)); |
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ld9040_spi_write(SEQ_GTCON, ARRAY_SIZE(SEQ_GTCON)); |
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ld9040_spi_write(SEQ_GAMMA_SET1, ARRAY_SIZE(SEQ_GAMMA_SET1)); |
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ld9040_spi_write(SEQ_GAMMA_CTRL, ARRAY_SIZE(SEQ_GAMMA_CTRL)); |
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ld9040_spi_write(SEQ_SLPOUT, ARRAY_SIZE(SEQ_SLPOUT)); |
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udelay(120); |
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} |
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void ld9040_enable_ldo(unsigned int onoff) |
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{ |
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if (onoff) |
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ld9040_spi_write(SEQ_DISPON, ARRAY_SIZE(SEQ_DISPON)); |
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else |
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ld9040_spi_write(SEQ_DISPOFF, ARRAY_SIZE(SEQ_DISPOFF)); |
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} |
@ -0,0 +1,32 @@ |
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/*
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* ld9040 AMOLED LCD panel driver. |
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* |
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* Copyright (C) 2012 Samsung Electronics |
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* Donghwa Lee <dh09.lee@samsung.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#ifndef __LD9040_H_ |
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#define __LD9040_H_ |
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void ld9040_cfg_ldo(void); |
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void ld9040_enable_ldo(unsigned int onoff); |
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#endif /* __LD9040_H_ */ |
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