aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/bnx2x/bnx2x_link.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_link.h')
-rw-r--r--drivers/net/bnx2x/bnx2x_link.h206
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_link.h b/drivers/net/bnx2x/bnx2x_link.h
new file mode 100644
index 00000000000..40c2981de8e
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_link.h
@@ -0,0 +1,206 @@
+/* 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 link_params *params, u8 mode, u32 speed);
+#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 */