commit
1733259d25
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/*
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* (C) Copyright 2015 |
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* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <lcd.h> |
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#include <video_font.h> /* Get font data, width and height */ |
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static void lcd_putc_xy90(struct console_t *pcons, ushort x, ushort y, char c) |
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{ |
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int fg_color = lcd_getfgcolor(); |
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int bg_color = lcd_getbgcolor(); |
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int col, i; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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(x+1) * pcons->lcdsizex - |
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y; |
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uchar msk = 0x80; |
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uchar *pfont = video_fontdata + c * VIDEO_FONT_HEIGHT; |
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for (col = 0; col < VIDEO_FONT_WIDTH; ++col) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; ++i) |
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*dst-- = (*(pfont + i) & msk) ? fg_color : bg_color; |
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msk >>= 1; |
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dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT); |
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} |
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} |
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static inline void console_setrow90(struct console_t *pcons, u32 row, int clr) |
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{ |
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int i, j; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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pcons->lcdsizex - |
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row*VIDEO_FONT_HEIGHT+1; |
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for (j = 0; j < pcons->lcdsizey; j++) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) |
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*dst-- = clr; |
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dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT); |
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} |
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} |
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static inline void console_moverow90(struct console_t *pcons, |
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u32 rowdst, u32 rowsrc) |
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{ |
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int i, j; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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pcons->lcdsizex - |
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(rowdst*VIDEO_FONT_HEIGHT+1); |
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fbptr_t *src = (fbptr_t *)pcons->fbbase + |
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pcons->lcdsizex - |
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(rowsrc*VIDEO_FONT_HEIGHT+1); |
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for (j = 0; j < pcons->lcdsizey; j++) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) |
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*dst-- = *src--; |
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src += (pcons->lcdsizex + VIDEO_FONT_HEIGHT); |
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dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT); |
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} |
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} |
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static void lcd_putc_xy180(struct console_t *pcons, ushort x, ushort y, char c) |
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{ |
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int fg_color = lcd_getfgcolor(); |
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int bg_color = lcd_getbgcolor(); |
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int i, row; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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pcons->lcdsizex + |
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pcons->lcdsizey * pcons->lcdsizex - |
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y * pcons->lcdsizex - |
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(x+1); |
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for (row = 0; row < VIDEO_FONT_HEIGHT; row++) { |
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uchar bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; |
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for (i = 0; i < VIDEO_FONT_WIDTH; ++i) { |
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*dst-- = (bits & 0x80) ? fg_color : bg_color; |
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bits <<= 1; |
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} |
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dst -= (pcons->lcdsizex - VIDEO_FONT_WIDTH); |
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} |
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} |
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static inline void console_setrow180(struct console_t *pcons, u32 row, int clr) |
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{ |
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int i; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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(pcons->rows-row-1) * VIDEO_FONT_HEIGHT * |
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pcons->lcdsizex; |
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for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++) |
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*dst++ = clr; |
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} |
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static inline void console_moverow180(struct console_t *pcons, |
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u32 rowdst, u32 rowsrc) |
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{ |
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int i; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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(pcons->rows-rowdst-1) * VIDEO_FONT_HEIGHT * |
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pcons->lcdsizex; |
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fbptr_t *src = (fbptr_t *)pcons->fbbase + |
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(pcons->rows-rowsrc-1) * VIDEO_FONT_HEIGHT * |
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pcons->lcdsizex; |
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for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++) |
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*dst++ = *src++; |
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} |
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static void lcd_putc_xy270(struct console_t *pcons, ushort x, ushort y, char c) |
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{ |
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int fg_color = lcd_getfgcolor(); |
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int bg_color = lcd_getbgcolor(); |
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int i, col; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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pcons->lcdsizey * pcons->lcdsizex - |
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(x+1) * pcons->lcdsizex + |
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y; |
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uchar msk = 0x80; |
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uchar *pfont = video_fontdata + c * VIDEO_FONT_HEIGHT; |
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for (col = 0; col < VIDEO_FONT_WIDTH; ++col) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; ++i) |
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*dst++ = (*(pfont + i) & msk) ? fg_color : bg_color; |
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msk >>= 1; |
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dst -= (pcons->lcdsizex + VIDEO_FONT_HEIGHT); |
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} |
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} |
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static inline void console_setrow270(struct console_t *pcons, u32 row, int clr) |
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{ |
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int i, j; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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row*VIDEO_FONT_HEIGHT; |
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for (j = 0; j < pcons->lcdsizey; j++) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) |
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*dst++ = clr; |
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dst += (pcons->lcdsizex - VIDEO_FONT_HEIGHT); |
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} |
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} |
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static inline void console_moverow270(struct console_t *pcons, |
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u32 rowdst, u32 rowsrc) |
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{ |
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int i, j; |
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fbptr_t *dst = (fbptr_t *)pcons->fbbase + |
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rowdst*VIDEO_FONT_HEIGHT; |
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fbptr_t *src = (fbptr_t *)pcons->fbbase + |
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rowsrc*VIDEO_FONT_HEIGHT; |
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for (j = 0; j < pcons->lcdsizey; j++) { |
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) |
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*dst++ = *src++; |
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src += (pcons->lcdsizex - VIDEO_FONT_HEIGHT); |
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dst += (pcons->lcdsizex - VIDEO_FONT_HEIGHT); |
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} |
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} |
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static void console_calc_rowcol_rot(struct console_t *pcons) |
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{ |
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if (pcons->lcdrot == 1 || pcons->lcdrot == 3) |
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console_calc_rowcol(pcons, pcons->lcdsizey, pcons->lcdsizex); |
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else |
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console_calc_rowcol(pcons, pcons->lcdsizex, pcons->lcdsizey); |
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} |
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void lcd_init_console_rot(struct console_t *pcons) |
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{ |
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if (pcons->lcdrot == 0) { |
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return; |
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} else if (pcons->lcdrot == 1) { |
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pcons->fp_putc_xy = &lcd_putc_xy90; |
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pcons->fp_console_moverow = &console_moverow90; |
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pcons->fp_console_setrow = &console_setrow90; |
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} else if (pcons->lcdrot == 2) { |
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pcons->fp_putc_xy = &lcd_putc_xy180; |
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pcons->fp_console_moverow = &console_moverow180; |
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pcons->fp_console_setrow = &console_setrow180; |
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} else if (pcons->lcdrot == 3) { |
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pcons->fp_putc_xy = &lcd_putc_xy270; |
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pcons->fp_console_moverow = &console_moverow270; |
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pcons->fp_console_setrow = &console_setrow270; |
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} else { |
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printf("%s: invalid framebuffer rotation (%d)!\n", |
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__func__, pcons->lcdrot); |
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return; |
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} |
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console_calc_rowcol_rot(pcons); |
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} |
@ -0,0 +1,231 @@ |
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/*
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* LCD: LG4573, TFT 4.3", 480x800, RGB24 |
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* LCD initialization via SPI |
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* |
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* SPDX-License-Identifier: GPL-2.0 |
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* |
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*/ |
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#include <common.h> |
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#include <errno.h> |
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#include <spi.h> |
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#define PWR_ON_DELAY_MSECS 120 |
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static int lb043wv_spi_write_u16(struct spi_slave *spi, u16 val) |
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{ |
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unsigned long flags = SPI_XFER_BEGIN; |
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unsigned short buf16 = htons(val); |
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int ret = 0; |
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flags |= SPI_XFER_END; |
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ret = spi_xfer(spi, 16, &buf16, NULL, flags); |
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if (ret) |
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debug("%s: Failed to send: %d\n", __func__, ret); |
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return ret; |
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} |
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static void lb043wv_spi_write_u16_array(struct spi_slave *spi, u16 *buff, |
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int size) |
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{ |
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int i; |
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for (i = 0; i < size; i++) |
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lb043wv_spi_write_u16(spi, buff[i]); |
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} |
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static void lb043wv_display_mode_settings(struct spi_slave *spi) |
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{ |
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static u16 display_mode_settings[] = { |
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0x703A, |
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0x7270, |
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0x70B1, |
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0x7208, |
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0x723B, |
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0x720F, |
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0x70B2, |
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0x7200, |
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0x72C8, |
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0x70B3, |
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0x7200, |
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0x70B4, |
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0x7200, |
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0x70B5, |
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0x7242, |
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0x7210, |
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0x7210, |
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0x7200, |
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0x7220, |
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0x70B6, |
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0x720B, |
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0x720F, |
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0x723C, |
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0x7213, |
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0x7213, |
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0x72E8, |
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0x70B7, |
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0x7246, |
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0x7206, |
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0x720C, |
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0x7200, |
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0x7200, |
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}; |
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debug("transfer display mode settings\n"); |
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lb043wv_spi_write_u16_array(spi, display_mode_settings, |
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ARRAY_SIZE(display_mode_settings)); |
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} |
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static void lb043wv_power_settings(struct spi_slave *spi) |
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{ |
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static u16 power_settings[] = { |
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0x70C0, |
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0x7201, |
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0x7211, |
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0x70C3, |
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0x7207, |
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0x7203, |
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0x7204, |
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0x7204, |
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0x7204, |
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0x70C4, |
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0x7212, |
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0x7224, |
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0x7218, |
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0x7218, |
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0x7202, |
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0x7249, |
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0x70C5, |
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0x726F, |
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0x70C6, |
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0x7241, |
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0x7263, |
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}; |
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debug("transfer power settings\n"); |
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lb043wv_spi_write_u16_array(spi, power_settings, |
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ARRAY_SIZE(power_settings)); |
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} |
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static void lb043wv_gamma_settings(struct spi_slave *spi) |
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{ |
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static u16 gamma_settings[] = { |
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0x70D0, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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0x70D1, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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0x70D2, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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0x70D3, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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0x70D4, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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0x70D5, |
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0x7203, |
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0x7207, |
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0x7273, |
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0x7235, |
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0x7200, |
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0x7201, |
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0x7220, |
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0x7200, |
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0x7203, |
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}; |
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debug("transfer gamma settings\n"); |
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lb043wv_spi_write_u16_array(spi, gamma_settings, |
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ARRAY_SIZE(gamma_settings)); |
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} |
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static void lb043wv_display_on(struct spi_slave *spi) |
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{ |
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static u16 sleep_out = 0x7011; |
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static u16 display_on = 0x7029; |
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lb043wv_spi_write_u16(spi, sleep_out); |
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mdelay(PWR_ON_DELAY_MSECS); |
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lb043wv_spi_write_u16(spi, display_on); |
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} |
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int lg4573_spi_startup(unsigned int bus, unsigned int cs, |
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unsigned int max_hz, unsigned int spi_mode) |
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{ |
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struct spi_slave *spi; |
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int ret; |
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spi = spi_setup_slave(bus, cs, max_hz, spi_mode); |
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if (!spi) { |
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debug("%s: Failed to set up slave\n", __func__); |
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return -1; |
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} |
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ret = spi_claim_bus(spi); |
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if (ret) { |
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debug("%s: Failed to claim SPI bus: %d\n", __func__, ret); |
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goto err_claim_bus; |
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} |
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lb043wv_display_mode_settings(spi); |
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lb043wv_power_settings(spi); |
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lb043wv_gamma_settings(spi); |
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lb043wv_display_on(spi); |
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return 0; |
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err_claim_bus: |
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spi_free_slave(spi); |
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return -1; |
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} |
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static int do_lgset(cmd_tbl_t *cmdtp, int flag, int argc, |
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char * const argv[]) |
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{ |
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lg4573_spi_startup(0, 0, 10000000, SPI_MODE_0); |
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return 0; |
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} |
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U_BOOT_CMD( |
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lgset, 2, 1, do_lgset, |
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"set lgdisplay", |
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"" |
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); |
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