samsung update 1

1 files changed, 345 insertions, 0 deletions

diff --git a/drivers/phone_svn/ipc_spi/spi_dev.c b/drivers/phone_svn/ipc_spi/spi_dev.c
new file mode 100644
index 0000000..54746d9
--- /dev/null
+++ b/drivers/phone_svn/ipc_spi/spi_dev.c
@@ -0,0 +1,345 @@
+/**************************************************************
+
+	spi_dev.c
+
+	adapt device api and spi api
+
+	This is MASTER side.
+
+***************************************************************/
+
+
+
+/**************************************************************
+
+	Preprocessor by common
+
+***************************************************************/
+
+#include "spi_main.h"
+#include "spi_dev.h"
+#include "spi_os.h"
+
+
+
+/**************************************************************
+
+	Preprocessor by platform
+	(OMAP4430 && MSM7X30)
+
+***************************************************************/
+
+#include <linux/spi/spi.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/phone_svn/ipc_spi.h>
+
+
+
+/**************************************************************
+
+	Definition of Variables and Functions by common
+
+***************************************************************/
+
+int spi_dev_gpio_mrdy;
+int spi_dev_gpio_srdy;
+int spi_dev_gpio_submrdy;
+int spi_dev_gpio_subsrdy;
+
+
+
+/**************************************************************
+
+	Preprocessor by platform
+	(OMAP4430 && MSM7X30)
+
+***************************************************************/
+
+int spi_is_restart;
+
+
+
+/**********************************************************
+
+Prototype		void spi_dev_init ( void * data)
+
+Type		function
+
+Description	init spi gpio info
+
+Param input	(none)
+
+Return value	(none)
+
+***********************************************************/
+void spi_dev_init(void *data)
+{
+	struct ipc_spi_platform_data *pdata = NULL;
+
+
+	SPI_OS_TRACE(("[SPI] spi_dev_init\n"));
+
+
+	pdata = (struct ipc_spi_platform_data *)data;
+
+	spi_dev_gpio_mrdy = (int) pdata->gpio_ipc_mrdy;
+	spi_dev_gpio_srdy = (int) pdata->gpio_ipc_srdy;
+	spi_dev_gpio_submrdy = (int) pdata->gpio_ipc_sub_mrdy;
+	spi_dev_gpio_subsrdy = (int) pdata->gpio_ipc_sub_srdy;
+
+	spi_dev_set_gpio(spi_dev_gpio_mrdy, SPI_DEV_GPIOLEVEL_LOW);
+	if (spi_is_restart == 0)
+		spi_dev_set_gpio(spi_dev_gpio_submrdy, SPI_DEV_GPIOLEVEL_LOW);
+}
+
+
+/**********************************************************
+
+Prototype		void spi_dev_destroy( void )
+
+Type		function
+
+Description	unregister irq handler
+
+Param input	(none)
+
+Return value	(none)
+
+***********************************************************/
+
+void spi_dev_destroy(void)
+{
+	spi_dev_unreigster_irq_handler(spi_dev_gpio_srdy, 0);
+	spi_dev_unreigster_irq_handler(spi_dev_gpio_subsrdy, 0);
+}
+
+
+
+/**********************************************************
+
+Prototype		int spi_dev_send
+
+Type		function
+
+Description	starting data send by DMA(CP side)
+			starting send clock for data switching(AP side)
+
+Param input	buf : data for send
+			length : data size. this lengt must be fixed
+
+Return value	0 : success
+			(others) : error cause
+
+***********************************************************/
+
+int spi_dev_send(void *buf, void *sync_buf, unsigned int length)
+{
+	int result = 0;
+
+	result = ipc_spi_tx_rx_sync(buf, sync_buf, length);
+
+	return result;
+}
+
+
+/**********************************************************
+
+Prototype		int spi_dev_receive
+
+Type		function
+
+Description	starting data receive by DMA(CP side)
+			starting send clock for data switching(AP side)
+
+Param input	buf : buffer for saving data
+			length : data size. this lengt must be fixed
+
+Return value	0 : success
+			(others) : error cause
+
+***********************************************************/
+
+int spi_dev_receive(void *sync_buf, void *buf, unsigned int length)
+{
+	int value = 0;
+
+	value = ipc_spi_tx_rx_sync(sync_buf, buf, length);
+
+	return value;
+}
+
+
+/**********************************************************
+
+Prototype		void spi_dev_set_gpio
+
+Type		function
+
+Description	set gpio pin state
+
+Param input	gpio_id : number of gpio id
+			value : SPI_DEV_GPIOLEVEL_HIGH for raising pin state up
+			: SPI_DEV_GPIOLEVEL_LOW for getting pin state down
+
+Return value	(none)
+
+***********************************************************/
+void spi_dev_set_gpio(int gpio_id, enum SPI_DEV_GPIOLEVEL_T value)
+{
+	int level = 0;
+
+	SPI_OS_TRACE_MID(("%s gpio_id =[%d], value =[%d]\n",
+		"[SPI] spi_dev_set_gpio :", gpio_id, (int) value));
+
+	switch (value) {
+	case SPI_DEV_GPIOLEVEL_LOW:
+		level = 0;
+		break;
+	case SPI_DEV_GPIOLEVEL_HIGH:
+		level = 1;
+		break;
+	}
+
+	gpio_set_value((unsigned int) gpio_id, level);
+}
+
+
+
+/**********************************************************
+
+Prototype		SPI_DEV_GPIOLEVEL_T spi_dev_get_gpio(int gpio_id)
+
+Type		function
+
+Description	get gpio pin state
+
+Param input	gpio_id : number of gpio id
+
+Return value	SPI_DEV_GPIOLEVEL
+
+***********************************************************/
+enum SPI_DEV_GPIOLEVEL_T spi_dev_get_gpio(int gpio_id)
+{
+	enum SPI_DEV_GPIOLEVEL_T value = SPI_DEV_GPIOLEVEL_LOW;
+	int level = 0;
+
+	level = gpio_get_value((unsigned int) gpio_id);
+
+	switch (level) {
+	case 0:
+		value = SPI_DEV_GPIOLEVEL_LOW;
+		break;
+	case 1:
+		value = SPI_DEV_GPIOLEVEL_HIGH;
+		break;
+	}
+
+	return value;
+}
+
+
+/**********************************************************
+
+Prototype		int spi_dev_reigster_irq_handler
+
+Type		function
+
+Description	regist irq callback function to each gpio interrupt
+
+Param input	gpio_id	: gpio pin id
+			tigger	: interrupt detection mode
+			handler	: interrupt handler function
+			name : register name
+
+Return value	0	: fail
+			1	: success
+
+***********************************************************/
+int spi_dev_reigster_irq_handler(int gpio_id,
+	enum SPI_DEV_IRQ_TRIGGER_T trigger,
+	SPI_DEV_IRQ_HANDLER_T handler,
+	char *name, void *data)
+{
+#if defined(SPI_FEATURE_OMAP4430)
+	int value = 0;
+	int _trigger = IRQF_TRIGGER_NONE;
+
+	switch (trigger) {
+	case SPI_DEV_IRQ_TRIGGER_RISING:
+		_trigger = IRQF_TRIGGER_RISING;
+		break;
+	case SPI_DEV_IRQ_TRIGGER_FALLING:
+		_trigger = IRQF_TRIGGER_FALLING;
+		break;
+	default:
+		_trigger = IRQF_TRIGGER_NONE;
+		break;
+	}
+
+	value = request_irq(OMAP_GPIO_IRQ(gpio_id), handler,
+		_trigger, name, data);
+
+	if (value != 0) {
+		SPI_OS_ERROR(("%s regist fail(%d)",
+			"[SPI] ERROR : spi_dev_reigster_irq_handler :",
+			value));
+		return 0;
+	}
+
+#elif defined(SPI_FEATURE_S5PC210)
+	int value = 0;
+
+	int _trigger = IRQF_TRIGGER_NONE;
+	int irq = 0;
+
+
+	switch (trigger) {
+	case SPI_DEV_IRQ_TRIGGER_RISING:
+		_trigger = IRQF_TRIGGER_RISING;
+		break;
+	case SPI_DEV_IRQ_TRIGGER_FALLING:
+		_trigger = IRQF_TRIGGER_FALLING;
+		break;
+	default:
+		_trigger = IRQF_TRIGGER_NONE;
+		break;
+	}
+
+	irq = gpio_to_irq(gpio_id);
+	value = request_irq(irq, handler, _trigger, name, data);
+	if (value != 0) {
+		SPI_OS_ERROR(("spi_dev_reigster_irq_handler: regist fail(%d)",
+			value));
+		return 0;
+	}
+	enable_irq_wake(irq);
+#endif
+
+	return 1;
+}
+
+
+/**********************************************************
+
+void spi_dev_unreigster_irq_handler (int gpio_id, void * data)
+
+Type		function
+
+Description	unregister irq hanger by gpio api
+
+Param input	gpio_id	: gpio pin id
+			data	: param
+
+Return value	(none)
+
+***********************************************************/
+
+void spi_dev_unreigster_irq_handler(int gpio_id, void *data)
+{
+#if defined(SPI_FEATURE_OMAP4430)
+	free_irq(OMAP_GPIO_IRQ(gpio_id), data);
+#elif defined(SPI_FEATURE_S5PC210)
+	free_irq(gpio_to_irq(gpio_id), data);
+#endif
+}