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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/video/ld9040.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/video/ld9040.c')
-rw-r--r--qemu/roms/u-boot/drivers/video/ld9040.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/video/ld9040.c b/qemu/roms/u-boot/drivers/video/ld9040.c
new file mode 100644
index 000000000..23fe783c8
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/video/ld9040.c
@@ -0,0 +1,128 @@
+/*
+ * ld9040 AMOLED LCD panel driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spi.h>
+
+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));
+}