ARM: shmobile: armadillo800eva: enable FSI-WM8978 sound (5389bf71) · Commits · e / devices / android_kernel_xiaomi_markw

arch/arm/mach-shmobile/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,7 @@ config MACH_ARMADILLO800EVA
		depends on ARCH_R8A7740
		select ARCH_REQUIRE_GPIOLIB
		select USE_OF
		select SND_SOC_WM8978 if SND_SIMPLE_CARD

		config MACH_MARZEN
		bool "MARZEN board"

arch/arm/mach-shmobile/board-armadillo800eva.c

+99 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@
		#include <asm/hardware/cache-l2x0.h>
		#include <video/sh_mobile_lcdc.h>
		#include <video/sh_mobile_hdmi.h>
		#include <sound/sh_fsi.h>
		#include <sound/simple_card.h>

		/*
		* CON1 Camera Module
		@@ -111,6 +113,28 @@
		*-----------+---------------+----------------------------
		*/

		/*
		* FSI-WM8978
		*
		* this command is required when playback.
		*
		* # amixer set "Headphone" 50
		*/

		/*
		* FIXME !!
		*
		* gpio_no_direction
		*
		* current gpio frame work doesn't have
		* the method to control only pull up/down/free.
		* this function should be replaced by correct gpio function
		*/
		static void __init gpio_no_direction(u32 addr)
		{
		__raw_writeb(0x00, addr);
		}

		/*
		* USB function
		*
		@@ -714,12 +738,71 @@ static struct platform_device ceu0_device = {
		},
		};

		/* FSI */
		static struct sh_fsi_platform_info fsi_info = {
		/* FSI-WM8978 */
		.port_a = {
		},
		};

		static struct resource fsi_resources[] = {
		[0] = {
		.name = "FSI",
		.start = 0xfe1f0000,
		.end = 0xfe1f8400 - 1,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = evt2irq(0x1840),
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct platform_device fsi_device = {
		.name = "sh_fsi2",
		.id = -1,
		.num_resources = ARRAY_SIZE(fsi_resources),
		.resource = fsi_resources,
		.dev = {
		.platform_data = &fsi_info,
		},
		};

		/* FSI-WM8978 */
		static struct asoc_simple_dai_init_info fsi_wm8978_init_info = {
		.fmt = SND_SOC_DAIFMT_I2S,
		.codec_daifmt = SND_SOC_DAIFMT_CBM_CFM \| SND_SOC_DAIFMT_NB_NF,
		.cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
		.sysclk = 12288000,
		};

		static struct asoc_simple_card_info fsi_wm8978_info = {
		.name = "wm8978",
		.card = "FSI2A-WM8978",
		.cpu_dai = "fsia-dai",
		.codec = "wm8978.0-001a",
		.platform = "sh_fsi2",
		.codec_dai = "wm8978-hifi",
		.init = &fsi_wm8978_init_info,
		};

		static struct platform_device fsi_wm8978_device = {
		.name = "asoc-simple-card",
		.id = 0,
		.dev = {
		.platform_data = &fsi_wm8978_info,
		},
		};

		/* I2C */
		static struct i2c_board_info i2c0_devices[] = {
		{
		I2C_BOARD_INFO("st1232-ts", 0x55),
		.irq = evt2irq(0x0340),
		},
		{
		I2C_BOARD_INFO("wm8978", 0x1a),
		},
		};

		/*
		@@ -735,6 +818,8 @@ static struct platform_device *eva_devices[] __initdata = {
		&hdmi_lcdc_device,
		&camera_device,
		&ceu0_device,
		&fsi_device,
		&fsi_wm8978_device,
		};

		static void __init eva_clock_init(void)
		@@ -768,6 +853,8 @@ clock_error:
		/*
		* board init
		*/
		#define GPIO_PORT7CR 0xe6050007
		#define GPIO_PORT8CR 0xe6050008
		static void __init eva_init(void)
		{
		eva_clock_init();
		@@ -916,6 +1003,18 @@ static void __init eva_init(void)
		gpio_direction_output(GPIO_PORT172, 1);
		gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */

		/* FSI-WM8978 */
		gpio_request(GPIO_FN_FSIAIBT, NULL);
		gpio_request(GPIO_FN_FSIAILR, NULL);
		gpio_request(GPIO_FN_FSIAOMC, NULL);
		gpio_request(GPIO_FN_FSIAOSLD, NULL);
		gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);

		gpio_request(GPIO_PORT7, NULL);
		gpio_request(GPIO_PORT8, NULL);
		gpio_no_direction(GPIO_PORT7CR); /* FSIAOBT needs no direction */
		gpio_no_direction(GPIO_PORT8CR); /* FSIAOLR needs no direction */

		/*
		* CAUTION
		*