| /* |
| * 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 |
| */ |
| void (*hardware_exit)(struct platform_device *pdev); |
| |
| /* |
| * option: |
| * |
| * for board specific clock control |
| */ |
| void (*power_ctrl)(struct platform_device *pdev, |
| void __iomem *base, int enable); |
| |
| /* |
| * option: |
| * |
| * Phy reset for platform |
| */ |
| void (*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; |
| |
| /* |
| * option: |
| * |
| * pio <--> dma border. |
| */ |
| int pio_dma_border; /* default is 64byte */ |
| |
| /* |
| * option: |
| */ |
| u32 has_otg:1; /* for controlling PWEN/EXTLP */ |
| u32 has_sudmac:1; /* for SUDMAC */ |
| }; |
| |
| /* |
| * 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 */ |