drivers/net/bnx2x_link.h - pub/scm/linux/kernel/git/joro/linux - Git at Google

 /* Copyright 2008-2009 Broadcom Corporation
  *
  * Unless you and Broadcom execute a separate written software license
  * agreement governing use of this software, this software is licensed to you
  * under the terms of the GNU General Public License version 2, available
  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  *
  * Notwithstanding the above, under no circumstances may you combine this
  * software in any way with any other Broadcom software provided under a
  * license other than the GPL, without Broadcom's express prior written
  * consent.
  *
  * Written by Yaniv Rosner
  *
  */

 #ifndef BNX2X_LINK_H
 #define BNX2X_LINK_H


 /***********************************************************/
 /*                         Defines                         */
 /***********************************************************/
 #define DEFAULT_PHY_DEV_ADDR 3


 #define BNX2X_FLOW_CTRL_AUTO		PORT_FEATURE_FLOW_CONTROL_AUTO
 #define BNX2X_FLOW_CTRL_TX		PORT_FEATURE_FLOW_CONTROL_TX
 #define BNX2X_FLOW_CTRL_RX		PORT_FEATURE_FLOW_CONTROL_RX
 #define BNX2X_FLOW_CTRL_BOTH		PORT_FEATURE_FLOW_CONTROL_BOTH
 #define BNX2X_FLOW_CTRL_NONE		PORT_FEATURE_FLOW_CONTROL_NONE

 #define SPEED_AUTO_NEG	    0
 #define SPEED_12000		12000
 #define SPEED_12500		12500
 #define SPEED_13000		13000
 #define SPEED_15000		15000
 #define SPEED_16000		16000

 #define SFP_EEPROM_VENDOR_NAME_ADDR		0x14
 #define SFP_EEPROM_VENDOR_NAME_SIZE		16
 #define SFP_EEPROM_VENDOR_OUI_ADDR		0x25
 #define SFP_EEPROM_VENDOR_OUI_SIZE		3
 #define SFP_EEPROM_PART_NO_ADDR 		0x28
 #define SFP_EEPROM_PART_NO_SIZE		16
 #define PWR_FLT_ERR_MSG_LEN			250
 /***********************************************************/
 /*                         Structs                         */
 /***********************************************************/
 /* Inputs parameters to the CLC */
 struct link_params {

 	u8 port;

 	/* Default / User Configuration */
 	u8 loopback_mode;
 #define LOOPBACK_NONE	0
 #define LOOPBACK_EMAC	1
 #define LOOPBACK_BMAC	2
 #define LOOPBACK_XGXS_10	3
 #define LOOPBACK_EXT_PHY	4
 #define LOOPBACK_EXT 	5

 	u16 req_duplex;
 	u16 req_flow_ctrl;
 	u16 req_fc_auto_adv; /* Should be set to TX / BOTH when
 	req_flow_ctrl is set to AUTO */
 	u16 req_line_speed; /* Also determine AutoNeg */

 	/* Device parameters */
 	u8 mac_addr[6];

 	/* shmem parameters */
 	u32 shmem_base;
 	u32 speed_cap_mask;
 	u32 switch_cfg;
 #define SWITCH_CFG_1G		PORT_FEATURE_CON_SWITCH_1G_SWITCH
 #define SWITCH_CFG_10G		PORT_FEATURE_CON_SWITCH_10G_SWITCH
 #define SWITCH_CFG_AUTO_DETECT	PORT_FEATURE_CON_SWITCH_AUTO_DETECT

 	u16 hw_led_mode; /* part of the hw_config read from the shmem */

 	/* phy_addr populated by the phy_init function */
 	u8 phy_addr;
 	/*u8 reserved1;*/

 	u32 lane_config;
 	u32 ext_phy_config;
 #define XGXS_EXT_PHY_TYPE(ext_phy_config) \
 		((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
 #define XGXS_EXT_PHY_ADDR(ext_phy_config) \
 		(((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
 		 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
 #define SERDES_EXT_PHY_TYPE(ext_phy_config) \
 		((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)

 	/* Phy register parameter */
 	u32 chip_id;

 	u16 xgxs_config_rx[4]; /* preemphasis values for the rx side */
 	u16 xgxs_config_tx[4]; /* preemphasis values for the tx side */

 	u32 feature_config_flags;
 #define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0)
 #define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY	(1<<2)
 #define FEATURE_CONFIG_BCM8727_NOC			(1<<3)

 	/* Device pointer passed to all callback functions */
 	struct bnx2x *bp;
 };

 /* Output parameters */
 struct link_vars {
 	u8 phy_flags;

 	u8 mac_type;
 #define MAC_TYPE_NONE		0
 #define MAC_TYPE_EMAC		1
 #define MAC_TYPE_BMAC		2

 	u8 phy_link_up; /* internal phy link indication */
 	u8 link_up;

 	u16 line_speed;
 	u16 duplex;

 	u16 flow_ctrl;
 	u16 ieee_fc;

 	u32 autoneg;
 #define AUTO_NEG_DISABLED			0x0
 #define AUTO_NEG_ENABLED			0x1
 #define AUTO_NEG_COMPLETE			0x2
 #define AUTO_NEG_PARALLEL_DETECTION_USED	0x3

 	/* The same definitions as the shmem parameter */
 	u32 link_status;
 };

 /***********************************************************/
 /*                         Functions                       */
 /***********************************************************/

 /* Initialize the phy */
 u8 bnx2x_phy_init(struct link_params *input, struct link_vars *output);

 /* Reset the link. Should be called when driver or interface goes down
    Before calling phy firmware upgrade, the reset_ext_phy should be set
    to 0 */
 u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
 		  u8 reset_ext_phy);

 /* bnx2x_link_update should be called upon link interrupt */
 u8 bnx2x_link_update(struct link_params *input, struct link_vars *output);

 /* use the following cl45 functions to read/write from external_phy
   In order to use it to read/write internal phy registers, use
   DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as
   Use ext_phy_type of 0 in case of cl22 over cl45
   the register */
 u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type,
 		 u8 phy_addr, u8 devad, u16 reg, u16 *ret_val);

 u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type,
 		  u8 phy_addr, u8 devad, u16 reg, u16 val);

 /* Reads the link_status from the shmem,
    and update the link vars accordingly */
 void bnx2x_link_status_update(struct link_params *input,
 			    struct link_vars *output);
 /* returns string representing the fw_version of the external phy */
 u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
 			      u8 *version, u16 len);

 /* Set/Unset the led
    Basically, the CLC takes care of the led for the link, but in case one needs
    to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to
    blink the led, and LED_MODE_OFF to set the led off.*/
 u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
 	       u16 hw_led_mode, u32 chip_id);
 #define LED_MODE_OFF	0
 #define LED_MODE_OPER 	2

 u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, u32 led_idx, u32 value);

 /* bnx2x_handle_module_detect_int should be called upon module detection
    interrupt */
 void bnx2x_handle_module_detect_int(struct link_params *params);

 /* Get the actual link status. In case it returns 0, link is up,
 	otherwise link is down*/
 u8 bnx2x_test_link(struct link_params *input, struct link_vars *vars);

 /* One-time initialization for external phy after power up */
 u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base);

 /* Reset the external PHY using GPIO */
 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port);

 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr);

 u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr,
 			      u8 byte_cnt, u8 *o_buf);

 #endif /* BNX2X_LINK_H */
	/* Copyright 2008-2009 Broadcom Corporation
	*
	* Unless you and Broadcom execute a separate written software license
	* agreement governing use of this software, this software is licensed to you
	* under the terms of the GNU General Public License version 2, available
	* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
	*
	* Notwithstanding the above, under no circumstances may you combine this
	* software in any way with any other Broadcom software provided under a
	* license other than the GPL, without Broadcom's express prior written
	* consent.
	*
	* Written by Yaniv Rosner
	*
	*/

	#ifndef BNX2X_LINK_H
	#define BNX2X_LINK_H



	/***********************************************************/
	/* Defines */
	/***********************************************************/
	#define DEFAULT_PHY_DEV_ADDR 3



	#define BNX2X_FLOW_CTRL_AUTO PORT_FEATURE_FLOW_CONTROL_AUTO
	#define BNX2X_FLOW_CTRL_TX PORT_FEATURE_FLOW_CONTROL_TX
	#define BNX2X_FLOW_CTRL_RX PORT_FEATURE_FLOW_CONTROL_RX
	#define BNX2X_FLOW_CTRL_BOTH PORT_FEATURE_FLOW_CONTROL_BOTH
	#define BNX2X_FLOW_CTRL_NONE PORT_FEATURE_FLOW_CONTROL_NONE

	#define SPEED_AUTO_NEG 0
	#define SPEED_12000 12000
	#define SPEED_12500 12500
	#define SPEED_13000 13000
	#define SPEED_15000 15000
	#define SPEED_16000 16000

	#define SFP_EEPROM_VENDOR_NAME_ADDR 0x14
	#define SFP_EEPROM_VENDOR_NAME_SIZE 16
	#define SFP_EEPROM_VENDOR_OUI_ADDR 0x25
	#define SFP_EEPROM_VENDOR_OUI_SIZE 3
	#define SFP_EEPROM_PART_NO_ADDR 0x28
	#define SFP_EEPROM_PART_NO_SIZE 16
	#define PWR_FLT_ERR_MSG_LEN 250
	/***********************************************************/
	/* Structs */
	/***********************************************************/
	/* Inputs parameters to the CLC */
	struct link_params {

	u8 port;

	/* Default / User Configuration */
	u8 loopback_mode;
	#define LOOPBACK_NONE 0
	#define LOOPBACK_EMAC 1
	#define LOOPBACK_BMAC 2
	#define LOOPBACK_XGXS_10 3
	#define LOOPBACK_EXT_PHY 4
	#define LOOPBACK_EXT 5

	u16 req_duplex;
	u16 req_flow_ctrl;
	u16 req_fc_auto_adv; /* Should be set to TX / BOTH when
	req_flow_ctrl is set to AUTO */
	u16 req_line_speed; /* Also determine AutoNeg */

	/* Device parameters */
	u8 mac_addr[6];

	/* shmem parameters */
	u32 shmem_base;
	u32 speed_cap_mask;
	u32 switch_cfg;
	#define SWITCH_CFG_1G PORT_FEATURE_CON_SWITCH_1G_SWITCH
	#define SWITCH_CFG_10G PORT_FEATURE_CON_SWITCH_10G_SWITCH
	#define SWITCH_CFG_AUTO_DETECT PORT_FEATURE_CON_SWITCH_AUTO_DETECT

	u16 hw_led_mode; /* part of the hw_config read from the shmem */

	/* phy_addr populated by the phy_init function */
	u8 phy_addr;
	/u8 reserved1;/

	u32 lane_config;
	u32 ext_phy_config;
	#define XGXS_EXT_PHY_TYPE(ext_phy_config) \
	((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK)
	#define XGXS_EXT_PHY_ADDR(ext_phy_config) \
	(((ext_phy_config) & PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >> \
	PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT)
	#define SERDES_EXT_PHY_TYPE(ext_phy_config) \
	((ext_phy_config) & PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK)

	/* Phy register parameter */
	u32 chip_id;

	u16 xgxs_config_rx[4]; /* preemphasis values for the rx side */
	u16 xgxs_config_tx[4]; /* preemphasis values for the tx side */

	u32 feature_config_flags;
	#define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0)
	#define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY (1<<2)
	#define FEATURE_CONFIG_BCM8727_NOC (1<<3)

	/* Device pointer passed to all callback functions */
	struct bnx2x *bp;
	};

	/* Output parameters */
	struct link_vars {
	u8 phy_flags;

	u8 mac_type;
	#define MAC_TYPE_NONE 0
	#define MAC_TYPE_EMAC 1
	#define MAC_TYPE_BMAC 2

	u8 phy_link_up; /* internal phy link indication */
	u8 link_up;

	u16 line_speed;
	u16 duplex;

	u16 flow_ctrl;
	u16 ieee_fc;

	u32 autoneg;
	#define AUTO_NEG_DISABLED 0x0
	#define AUTO_NEG_ENABLED 0x1
	#define AUTO_NEG_COMPLETE 0x2
	#define AUTO_NEG_PARALLEL_DETECTION_USED 0x3

	/* The same definitions as the shmem parameter */
	u32 link_status;
	};

	/***********************************************************/
	/* Functions */
	/***********************************************************/

	/* Initialize the phy */
	u8 bnx2x_phy_init(struct link_params input, struct link_vars output);

	/* Reset the link. Should be called when driver or interface goes down
	Before calling phy firmware upgrade, the reset_ext_phy should be set
	to 0 */
	u8 bnx2x_link_reset(struct link_params params, struct link_vars vars,
	u8 reset_ext_phy);

	/* bnx2x_link_update should be called upon link interrupt */
	u8 bnx2x_link_update(struct link_params input, struct link_vars output);

	/* use the following cl45 functions to read/write from external_phy
	In order to use it to read/write internal phy registers, use
	DEFAULT_PHY_DEV_ADDR as devad, and (_bank + (_addr & 0xf)) as
	Use ext_phy_type of 0 in case of cl22 over cl45
	the register */
	u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type,
	u8 phy_addr, u8 devad, u16 reg, u16 *ret_val);

	u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type,
	u8 phy_addr, u8 devad, u16 reg, u16 val);

	/* Reads the link_status from the shmem,
	and update the link vars accordingly */
	void bnx2x_link_status_update(struct link_params *input,
	struct link_vars *output);
	/* returns string representing the fw_version of the external phy */
	u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
	u8 *version, u16 len);

	/* Set/Unset the led
	Basically, the CLC takes care of the led for the link, but in case one needs
	to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to
	blink the led, and LED_MODE_OFF to set the led off.*/
	u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
	u16 hw_led_mode, u32 chip_id);
	#define LED_MODE_OFF 0
	#define LED_MODE_OPER 2

	u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port, u32 led_idx, u32 value);

	/* bnx2x_handle_module_detect_int should be called upon module detection
	interrupt */
	void bnx2x_handle_module_detect_int(struct link_params *params);

	/* Get the actual link status. In case it returns 0, link is up,
	otherwise link is down*/
	u8 bnx2x_test_link(struct link_params input, struct link_vars vars);

	/* One-time initialization for external phy after power up */
	u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base);

	/* Reset the external PHY using GPIO */
	void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port);

	void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr);

	u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr,
	u8 byte_cnt, u8 *o_buf);

	#endif /* BNX2X_LINK_H */