From patchwork Thu Feb 12 12:00:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ouyang Changchun X-Patchwork-Id: 3218 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 80B92ADA6; Thu, 12 Feb 2015 13:02:25 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id C8E02AD93 for ; Thu, 12 Feb 2015 13:02:19 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 12 Feb 2015 03:54:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,565,1418112000"; d="scan'208";a="676887368" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga002.fm.intel.com with ESMTP; 12 Feb 2015 04:02:05 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t1CC22rC011426; Thu, 12 Feb 2015 20:02:02 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t1CC1wwt030592; Thu, 12 Feb 2015 20:02:00 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t1CC1wvO030588; Thu, 12 Feb 2015 20:01:58 +0800 From: Ouyang Changchun To: dev@dpdk.org Date: Thu, 12 Feb 2015 20:00:54 +0800 Message-Id: <1423742468-30404-23-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1423742468-30404-1-git-send-email-changchun.ouyang@intel.com> References: <1423742468-30404-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH 22/36] ixgbe base codes: API for read i2c combined X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" New API to perform I2C read combined operation. Signed-off-by: Changchun Ouyang --- lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.c | 16 ++++++++++++++++ lib/librte_pmd_ixgbe/ixgbe/ixgbe_api.h | 1 + 2 files changed, 17 insertions(+) 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);