mirror of https://gitee.com/openkylin/linux.git
128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
/* linux/arch/arm/mach-s5p6440/dev-audio.c
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*
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* Copyright (c) 2010 Samsung Electronics Co. Ltd
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* Jaswinder Singh <jassi.brar@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <linux/gpio.h>
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#include <plat/gpio-cfg.h>
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#include <plat/audio.h>
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#include <mach/map.h>
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#include <mach/dma.h>
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#include <mach/irqs.h>
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static int s5p6440_cfg_i2s(struct platform_device *pdev)
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{
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/* configure GPIO for i2s port */
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switch (pdev->id) {
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case -1:
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s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
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break;
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default:
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printk(KERN_ERR "Invalid Device %d\n", pdev->id);
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return -EINVAL;
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}
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return 0;
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}
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static struct s3c_audio_pdata s3c_i2s_pdata = {
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.cfg_gpio = s5p6440_cfg_i2s,
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};
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static struct resource s5p6440_iis0_resource[] = {
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[0] = {
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.start = S5P6440_PA_I2S,
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.end = S5P6440_PA_I2S + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_I2S0_TX,
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.end = DMACH_I2S0_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_I2S0_RX,
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.end = DMACH_I2S0_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6440_device_iis = {
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.name = "s3c64xx-iis-v4",
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.id = -1,
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.num_resources = ARRAY_SIZE(s5p6440_iis0_resource),
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.resource = s5p6440_iis0_resource,
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.dev = {
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.platform_data = &s3c_i2s_pdata,
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},
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};
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/* PCM Controller platform_devices */
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static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
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{
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switch (pdev->id) {
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case 0:
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s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
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s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
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break;
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default:
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printk(KERN_DEBUG "Invalid PCM Controller number!");
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return -EINVAL;
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}
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return 0;
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}
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static struct s3c_audio_pdata s3c_pcm_pdata = {
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.cfg_gpio = s5p6440_pcm_cfg_gpio,
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};
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static struct resource s5p6440_pcm0_resource[] = {
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[0] = {
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.start = S5P6440_PA_PCM,
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.end = S5P6440_PA_PCM + 0x100 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = DMACH_PCM0_TX,
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.end = DMACH_PCM0_TX,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = DMACH_PCM0_RX,
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.end = DMACH_PCM0_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device s5p6440_device_pcm = {
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.name = "samsung-pcm",
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.id = 0,
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.num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
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.resource = s5p6440_pcm0_resource,
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.dev = {
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.platform_data = &s3c_pcm_pdata,
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},
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};
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