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53 #define HFI1_TWSI_NO_DEV 0xFF
57 /* Bit position of SDA pin in ASIC_QSFP* registers */
58 #define GPIO_SDA_NUM 1
60 /* these functions must be called with qsfp_lock held */
61 int hfi1_twsi_reset(struct hfi1_devdata *dd, u32 target);
62 int hfi1_twsi_blk_rd(struct hfi1_devdata *dd, u32 target, int dev, int addr,
63 void *buffer, int len);
64 int hfi1_twsi_blk_wr(struct hfi1_devdata *dd, u32 target, int dev, int addr,
65 const void *buffer, int len);