first and last commit

drivers/display/tmds/rules.mk

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+# Copyright (C) 2008 Apple Inc. All rights reserved.
+#
+# This document is the property of Apple Inc.
+# It is considered confidential and proprietary.
+#
+# This document may not be reproduced or transmitted in any form,
+# in whole or in part, without the express written permission of
+# Apple Inc.
+#
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+OPTIONS += \
+	WITH_HW_DISPLAY_TMDS=1
+
+ALL_OBJS += \
+	$(LOCAL_DIR)/tmds.o

drivers/display/tmds/tmds.c

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+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * This document is the property of Apple Inc.
+ * It is considered confidential and proprietary.
+ *
+ * This document may not be reproduced or transmitted in any form,
+ * in whole or in part, without the express written permission of
+ * Apple Inc.
+ */
+#include <debug.h>
+#include <drivers/display.h>
+#include <drivers/iic.h>
+#include <platform/clocks.h>
+#include <platform/gpio.h>
+#include <platform/gpiodef.h>
+
+#include "tmds.h"
+
+int tmds_init(struct display_timing *timing, enum colorspace color, u_int32_t *display_id)
+{
+	u_int8_t data[2];
+
+	clock_set_frequency(timing->host_clock_id, 0, 0, 0, 0, timing->pixel_clock);
+	/* XXX what about CLCD dithering? */
+
+	gpio_configure(GPIO_LCD_VCLK, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_VSYNC, GPIO_CFG_FUNC1);	// XXX GPIO OUT_1 eventually
+	gpio_configure(GPIO_LCD_HSYNC, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_VDEN, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_VDEN, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D0, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D1, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D2, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D3, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D4, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D5, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D6, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D7, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D8, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D9, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D10, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D11, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D12, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D13, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D14, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D15, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D16, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D17, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D18, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D19, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D20, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D21, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D22, GPIO_CFG_FUNC1);
+	gpio_configure(GPIO_LCD_D23, GPIO_CFG_FUNC1);
+
+	data[0] = kTFP_DE_CTL;
+	data[1] = 0;		/* Active high DE is assumed */
+	if (!timing->neg_hsync)
+		data[1] |= kTFP_DE_CTL_HS_POL;
+	if (!timing->neg_vsync)
+		data[1] |= kTFP_DE_CTL_VS_POL;
+	iic_write(TMDS_IIC_BUS, kTFP_ADDR_W, data, 2);
+
+	data[0] = kTFP_CTL_1_MODE;
+	data[1] = kTFP_CTL_1_MODE_nPD | kTFP_CTL_1_MODE_BSEL;
+	if (timing->neg_vclk)
+		data[1] |= kTFP_CTL_1_MODE_EDGE;
+	iic_write(TMDS_IIC_BUS, kTFP_ADDR_W, data, 2);
+
+	return 0;
+}
+
+int tmds_quiesce(void)
+{
+	dprintf(DEBUG_CRITICAL, "tmds_quiesce()\n");
+	return 0;
+}
+

drivers/display/tmds/tmds.h

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+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * This document is the property of Apple Inc.
+ * It is considered confidential and proprietary.
+ *
+ * This document may not be reproduced or transmitted in any form,
+ * in whole or in part, without the express written permission of
+ * Apple Inc.
+ */
+
+#ifndef __TMDS_H
+#define __TMDS_H
+
+/* Definitions for the TI TFP410 */
+
+enum {
+	kTFP_ADDR_R	= 0x7f,
+	kTFP_ADDR_W	= 0x7e
+};
+
+enum {
+	kTFP_CTL_1_MODE	= 0x08,
+	kTFP_CTL_2_MODE	= 0x09,
+	kTFP_CTL_3_MODE	= 0x0a,
+
+	kTFP_DE_DLY	= 0x32,
+	kTFP_DE_CTL	= 0x33,
+	kTFP_DE_TOP	= 0x34
+};
+
+enum {
+	kTFP_CTL_1_MODE_nPD	= (1 << 0),
+	kTFP_CTL_1_MODE_EDGE	= (1 << 1),
+	kTFP_CTL_1_MODE_BSEL	= (1 << 2),
+	kTFP_CTL_1_MODE_DSEL	= (1 << 3),
+	kTFP_CTL_1_MODE_HEN	= (1 << 4),
+	kTFP_CTL_1_MODE_VEN	= (1 << 5),
+	kTFP_CTL_1_MODE_TDIS	= (1 << 6)
+};
+
+enum {
+	kTFP_DE_CTL_DE_DLY8	= (1 << 0),
+	kTFP_DE_CTL_HS_POL	= (1 << 4),
+	kTFP_DE_CTL_VS_POL	= (1 << 5),
+	kTFP_DE_CTL_DE_GEN	= (1 << 6)
+};
+
+#endif /* __TMDS_H */