[dpdk-dev] [PATCH 23/36] ixgbe base codes: API for write i2c combined
Ouyang Changchun
changchun.ouyang at intel.com
Thu Feb 12 13:00:55 CET 2015
New API to perform I2C write combined operation.
Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
---
lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c | 16 ++++++++++++++++
lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h | 1 +
lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c | 11 +++++++++--
3 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
index ae13adb..8037301 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c
@@ -1326,6 +1326,7 @@ s32 ixgbe_read_i2c_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val)
* ixgbe_write_i2c_byte - Writes 8 bit word over I2C
* @hw: pointer to hardware structure
* @byte_offset: byte offset to write
+ * @dev_addr: I2C bus address to write to
* @data: value to write
*
* Performs byte write operation to SFP module's EEPROM over I2C interface
@@ -1339,6 +1340,21 @@ s32 ixgbe_write_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
}
/**
+ * ixgbe_write_i2c_combined - Perform I2C write combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to write to
+ * @reg: I2C device register to write to
+ * @val: value to write
+ *
+ * Returns an error code on error.
+ */
+s32 ixgbe_write_i2c_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val)
+{
+ return ixgbe_call_func(hw, hw->phy.ops.write_i2c_combined, (hw, addr,
+ reg, val), IXGBE_NOT_IMPLEMENTED);
+}
+
+/**
* ixgbe_write_i2c_eeprom - Writes 8 bit EEPROM word over I2C interface
* @hw: pointer to hardware structure
* @byte_offset: EEPROM 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 77ebc64..8386e29 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h
@@ -174,6 +174,7 @@ s32 ixgbe_read_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
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_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val);
s32 ixgbe_write_i2c_eeprom(struct ixgbe_hw *hw, u8 byte_offset, u8 eeprom_data);
s32 ixgbe_get_san_mac_addr(struct ixgbe_hw *hw, u8 *san_mac_addr);
s32 ixgbe_set_san_mac_addr(struct ixgbe_hw *hw, u8 *san_mac_addr);
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
index d8a0c19..bdf41da 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
@@ -787,6 +787,7 @@ s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
{
bool setup_linear;
u16 reg_slice, edc_mode;
+ s32 ret_val;
DEBUGFUNC("ixgbe_setup_sfp_modules_X550em");
@@ -827,8 +828,14 @@ s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
edc_mode = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
/* Configure CS4227 for connection type. */
- return hw->phy.ops.write_i2c_combined(hw, IXGBE_CS4227,
- reg_slice, edc_mode);
+ ret_val = ixgbe_write_i2c_combined(hw, IXGBE_CS4227, reg_slice,
+ edc_mode);
+
+ if (ret_val != IXGBE_SUCCESS)
+ ret_val = ixgbe_write_i2c_combined(hw, 0x80, reg_slice,
+ edc_mode);
+
+ return ret_val;
}
/**
--
1.8.4.2
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