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