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