| #ifndef __LINUX_USB_MSM_EXT_CHG_H |
| #define __LINUX_USB_MSM_EXT_CHG_H |
| |
| #include <linux/ioctl.h> |
| |
| #define USB_CHG_BLOCK_ULPI 1 |
| #define USB_CHG_BLOCK_QSCRATCH 2 |
| |
| #define USB_REQUEST_5V 1 |
| #define USB_REQUEST_9V 2 |
| /** |
| * struct msm_usb_chg_info - MSM USB charger block details. |
| * @chg_block_type: The type of charger block. QSCRATCH/ULPI. |
| * @page_offset: USB charger register base may not be aligned to |
| * PAGE_SIZE. The kernel driver aligns the base |
| * address and use it for memory mapping. This |
| * page_offset is used by user space to calaculate |
| * the corret charger register base address. |
| * @length: The length of the charger register address space. |
| */ |
| struct msm_usb_chg_info { |
| uint32_t chg_block_type; |
| off_t page_offset; |
| size_t length; |
| }; |
| |
| /* Get the MSM USB charger block information */ |
| #define MSM_USB_EXT_CHG_INFO _IOW('M', 0, struct msm_usb_chg_info) |
| |
| /* Vote against USB hardware low power mode */ |
| #define MSM_USB_EXT_CHG_BLOCK_LPM _IOW('M', 1, int) |
| |
| /* To tell kernel about voltage being voted */ |
| #define MSM_USB_EXT_CHG_VOLTAGE_INFO _IOW('M', 2, int) |
| |
| /* To tell kernel about voltage request result */ |
| #define MSM_USB_EXT_CHG_RESULT _IOW('M', 3, int) |
| |
| /* To tell kernel whether charger connected is external charger or not */ |
| #define MSM_USB_EXT_CHG_TYPE _IOW('M', 4, int) |
| |
| #endif /* __LINUX_USB_MSM_EXT_CHG_H */ |