diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c index fe6c5658e016..fbc9d6ac841f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c @@ -38,6 +38,7 @@ #define HW_ATL_FW2X_CTRL_WOL BIT(CTRL_WOL) #define HW_ATL_FW2X_CTRL_LINK_DROP BIT(CTRL_LINK_DROP) #define HW_ATL_FW2X_CTRL_PAUSE BIT(CTRL_PAUSE) +#define HW_ATL_FW2X_CTRL_TEMPERATURE BIT(CTRL_TEMPERATURE) #define HW_ATL_FW2X_CTRL_ASYMMETRIC_PAUSE BIT(CTRL_ASYMMETRIC_PAUSE) #define HW_ATL_FW2X_CTRL_FORCE_RECONNECT BIT(CTRL_FORCE_RECONNECT) @@ -310,6 +311,40 @@ static int aq_fw2x_update_stats(struct aq_hw_s *self) return hw_atl_utils_update_stats(self); } +static int aq_fw2x_get_phy_temp(struct aq_hw_s *self, int *temp) +{ + u32 mpi_opts = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR); + u32 temp_val = mpi_opts & HW_ATL_FW2X_CTRL_TEMPERATURE; + u32 phy_temp_offset; + u32 temp_res; + int err = 0; + u32 val; + + phy_temp_offset = self->mbox_addr + + offsetof(struct hw_atl_utils_mbox, info) + + offsetof(struct hw_aq_info, phy_temperature); + /* Toggle statistics bit for FW to 0x36C.18 (CTRL_TEMPERATURE) */ + mpi_opts = mpi_opts ^ HW_ATL_FW2X_CTRL_TEMPERATURE; + aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR, mpi_opts); + /* Wait FW to report back */ + err = readx_poll_timeout_atomic(aq_fw2x_state2_get, self, val, + temp_val != + (val & HW_ATL_FW2X_CTRL_TEMPERATURE), + 1U, 10000U); + err = hw_atl_utils_fw_downld_dwords(self, phy_temp_offset, + &temp_res, 1); + + if (err) + return err; + + /* Convert PHY temperature from 1/256 degree Celsius + * to 1/1000 degree Celsius. + */ + *temp = temp_res * 1000 / 256; + + return 0; +} + static int aq_fw2x_set_sleep_proxy(struct aq_hw_s *self, u8 *mac) { struct hw_atl_utils_fw_rpc *rpc = NULL; @@ -509,6 +544,7 @@ const struct aq_fw_ops aq_fw_2x_ops = { .set_state = aq_fw2x_set_state, .update_link_status = aq_fw2x_update_link_status, .update_stats = aq_fw2x_update_stats, + .get_phy_temp = aq_fw2x_get_phy_temp, .set_power = aq_fw2x_set_power, .set_eee_rate = aq_fw2x_set_eee_rate, .get_eee_rate = aq_fw2x_get_eee_rate, |