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[dpdk-dev,22/36] ixgbe base codes: API for read i2c combined

Message ID 1423742468-30404-23-git-send-email-changchun.ouyang@intel.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Ouyang Changchun Feb. 12, 2015, noon UTC
New API to perform I2C read combined operation.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
---
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c | 16 ++++++++++++++++
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h |  1 +
 2 files changed, 17 insertions(+)
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Patch

diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
index c49b1cd..ae13adb 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
@@ -1295,6 +1295,7 @@  s32 ixgbe_init_uta_tables(struct ixgbe_hw *hw)
  *  ixgbe_read_i2c_byte - Reads 8 bit word over I2C at specified device address
  *  @hw: pointer to hardware structure
  *  @byte_offset: byte offset to read
+ *  @dev_addr: I2C bus address to read from
  *  @data: value read
  *
  *  Performs byte read operation to SFP module's EEPROM over I2C interface.
@@ -1307,6 +1308,21 @@  s32 ixgbe_read_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
 }
 
 /**
+ * ixgbe_read_i2c_combined - Perform I2C read combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to read from
+ * @reg: I2C device register to read from
+ * @val: pointer to location to receive read value
+ *
+ * Returns an error code on error.
+ */
+s32 ixgbe_read_i2c_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val)
+{
+	return ixgbe_call_func(hw, hw->phy.ops.read_i2c_combined, (hw, addr,
+			       reg, val), IXGBE_NOT_IMPLEMENTED);
+}
+
+/**
  *  ixgbe_write_i2c_byte - Writes 8 bit word over I2C
  *  @hw: pointer to hardware structure
  *  @byte_offset: byte offset to write
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h
index db1dd96..77ebc64 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h
@@ -171,6 +171,7 @@  u32 ixgbe_atr_compute_sig_hash_82599(union ixgbe_atr_hash_dword input,
 bool ixgbe_verify_lesm_fw_enabled_82599(struct ixgbe_hw *hw);
 s32 ixgbe_read_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
 			u8 *data);
+s32 ixgbe_read_i2c_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val);
 s32 ixgbe_write_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
 			 u8 data);
 s32 ixgbe_write_i2c_eeprom(struct ixgbe_hw *hw, u8 byte_offset, u8 eeprom_data);