Initial import

1 files changed, 216 insertions, 0 deletions

diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
new file mode 100644
index 000000000..f06529c14
--- /dev/null
+++ b/include/linux/usb/renesas_usbhs.h
@@ -0,0 +1,216 @@
+/*
+ * Renesas USB
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#ifndef RENESAS_USB_H
+#define RENESAS_USB_H
+#include <linux/platform_device.h>
+#include <linux/usb/ch9.h>
+
+/*
+ * module type
+ *
+ * it will be return value from get_id
+ */
+enum {
+	USBHS_HOST = 0,
+	USBHS_GADGET,
+	USBHS_MAX,
+};
+
+/*
+ * callback functions table for driver
+ *
+ * These functions are called from platform for driver.
+ * Callback function's pointer will be set before
+ * renesas_usbhs_platform_callback :: hardware_init was called
+ */
+struct renesas_usbhs_driver_callback {
+	int (*notify_hotplug)(struct platform_device *pdev);
+};
+
+/*
+ * callback functions for platform
+ *
+ * These functions are called from driver for platform
+ */
+struct renesas_usbhs_platform_callback {
+
+	/*
+	 * option:
+	 *
+	 * Hardware init function for platform.
+	 * it is called when driver was probed.
+	 */
+	int (*hardware_init)(struct platform_device *pdev);
+
+	/*
+	 * option:
+	 *
+	 * Hardware exit function for platform.
+	 * it is called when driver was removed
+	 */
+	int (*hardware_exit)(struct platform_device *pdev);
+
+	/*
+	 * option:
+	 *
+	 * for board specific clock control
+	 */
+	int (*power_ctrl)(struct platform_device *pdev,
+			   void __iomem *base, int enable);
+
+	/*
+	 * option:
+	 *
+	 * Phy reset for platform
+	 */
+	int (*phy_reset)(struct platform_device *pdev);
+
+	/*
+	 * get USB ID function
+	 *  - USBHS_HOST
+	 *  - USBHS_GADGET
+	 */
+	int (*get_id)(struct platform_device *pdev);
+
+	/*
+	 * get VBUS status function.
+	 */
+	int (*get_vbus)(struct platform_device *pdev);
+
+	/*
+	 * option:
+	 *
+	 * VBUS control is needed for Host
+	 */
+	int (*set_vbus)(struct platform_device *pdev, int enable);
+};
+
+/*
+ * parameters for renesas usbhs
+ *
+ * some register needs USB chip specific parameters.
+ * This struct show it to driver
+ */
+struct renesas_usbhs_driver_param {
+	/*
+	 * pipe settings
+	 */
+	u32 *pipe_type; /* array of USB_ENDPOINT_XFER_xxx (from ep0) */
+	int pipe_size; /* pipe_type array size */
+
+	/*
+	 * option:
+	 *
+	 * for BUSWAIT :: BWAIT
+	 * see
+	 *	renesas_usbhs/common.c :: usbhsc_set_buswait()
+	 * */
+	int buswait_bwait;
+
+	/*
+	 * option:
+	 *
+	 * delay time from notify_hotplug callback
+	 */
+	int detection_delay; /* msec */
+
+	/*
+	 * option:
+	 *
+	 * dma id for dmaengine
+	 * The data transfer direction on D0FIFO/D1FIFO should be
+	 * fixed for keeping consistency.
+	 * So, the platform id settings will be..
+	 *	.d0_tx_id = xx_TX,
+	 *	.d1_rx_id = xx_RX,
+	 * or
+	 *	.d1_tx_id = xx_TX,
+	 *	.d0_rx_id = xx_RX,
+	 */
+	int d0_tx_id;
+	int d0_rx_id;
+	int d1_tx_id;
+	int d1_rx_id;
+	int d2_tx_id;
+	int d2_rx_id;
+	int d3_tx_id;
+	int d3_rx_id;
+
+	/*
+	 * option:
+	 *
+	 * pio <--> dma border.
+	 */
+	int pio_dma_border; /* default is 64byte */
+
+	u32 type;
+	u32 enable_gpio;
+
+	/*
+	 * option:
+	 */
+	u32 has_otg:1; /* for controlling PWEN/EXTLP */
+	u32 has_sudmac:1; /* for SUDMAC */
+	u32 has_usb_dmac:1; /* for USB-DMAC */
+#define USBHS_USB_DMAC_XFER_SIZE	32	/* hardcode the xfer size */
+};
+
+#define USBHS_TYPE_R8A7790 1
+#define USBHS_TYPE_R8A7791 2
+
+/*
+ * option:
+ *
+ * platform information for renesas_usbhs driver.
+ */
+struct renesas_usbhs_platform_info {
+	/*
+	 * option:
+	 *
+	 * platform set these functions before
+	 * call platform_add_devices if needed
+	 */
+	struct renesas_usbhs_platform_callback	platform_callback;
+
+	/*
+	 * driver set these callback functions pointer.
+	 * platform can use it on callback functions
+	 */
+	struct renesas_usbhs_driver_callback	driver_callback;
+
+	/*
+	 * option:
+	 *
+	 * driver use these param for some register
+	 */
+	struct renesas_usbhs_driver_param	driver_param;
+};
+
+/*
+ * macro for platform
+ */
+#define renesas_usbhs_get_info(pdev)\
+	((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data)
+
+#define renesas_usbhs_call_notify_hotplug(pdev)				\
+	({								\
+		struct renesas_usbhs_driver_callback *dc;		\
+		dc = &(renesas_usbhs_get_info(pdev)->driver_callback);	\
+		if (dc && dc->notify_hotplug)				\
+			dc->notify_hotplug(pdev);			\
+	})
+#endif /* RENESAS_USB_H */