diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/qsfp.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/qsfp.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/staging/rdma/hfi1/qsfp.h b/drivers/staging/rdma/hfi1/qsfp.h index 831fe4cf1345..dadc66c442b9 100644 --- a/drivers/staging/rdma/hfi1/qsfp.h +++ b/drivers/staging/rdma/hfi1/qsfp.h @@ -82,8 +82,9 @@ /* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */ #define QSFP_MOD_ID_OFFS 128 /* - * Byte 129 is "Extended Identifier". We only care about D7,D6: Power class - * 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W + * Byte 129 is "Extended Identifier". + * For bits [7:6]: 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W + * For bits [1:0]: 0:Unused, 1:4W, 2:4.5W, 3:5W */ #define QSFP_MOD_PWR_OFFS 129 /* Byte 130 is Connector type. Not Intel req'd */ @@ -190,6 +191,9 @@ extern const char *const hfi1_qsfp_devtech[16]; #define QSFP_HIGH_BIAS_WARNING 0x22 #define QSFP_LOW_BIAS_WARNING 0x11 +#define QSFP_ATTEN_SDR(attenarray) (attenarray[0]) +#define QSFP_ATTEN_DDR(attenarray) (attenarray[1]) + /* * struct qsfp_data encapsulates state of QSFP device for one port. * it will be part of port-specific data if a board supports QSFP. @@ -201,12 +205,6 @@ extern const char *const hfi1_qsfp_devtech[16]; * and let the qsfp_lock arbitrate access to common resources. * */ - -#define QSFP_PWR(pbyte) (((pbyte) >> 6) & 3) -#define QSFP_HIGH_PWR(pbyte) (((pbyte) & 3) | 4) -#define QSFP_ATTEN_SDR(attenarray) (attenarray[0]) -#define QSFP_ATTEN_DDR(attenarray) (attenarray[1]) - struct qsfp_data { /* Helps to find our way */ struct hfi1_pportdata *ppd; @@ -223,6 +221,7 @@ struct qsfp_data { int refresh_qsfp_cache(struct hfi1_pportdata *ppd, struct qsfp_data *cp); +int get_qsfp_power_class(u8 power_byte); int qsfp_mod_present(struct hfi1_pportdata *ppd); int get_cable_info(struct hfi1_devdata *dd, u32 port_num, u32 addr, u32 len, u8 *data); |