--- /dev/null
+/* Copyright 2008-2013 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 E2_DEFAULT_PHY_DEV_ADDR 5
+
+
+
+#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 NET_SERDES_IF_XFI 1
+#define NET_SERDES_IF_SFI 2
+#define NET_SERDES_IF_KR 3
+#define NET_SERDES_IF_DXGXS 4
+
+#define SPEED_AUTO_NEG 0
+#define SPEED_20000 20000
+
+#define I2C_DEV_ADDR_A0 0xa0
+#define I2C_DEV_ADDR_A2 0xa2
+
+#define SFP_EEPROM_PAGE_SIZE 16
+#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 SFP_EEPROM_REVISION_ADDR 0x38
+#define SFP_EEPROM_REVISION_SIZE 4
+#define SFP_EEPROM_SERIAL_ADDR 0x44
+#define SFP_EEPROM_SERIAL_SIZE 16
+#define SFP_EEPROM_DATE_ADDR 0x54 /* ASCII YYMMDD */
+#define SFP_EEPROM_DATE_SIZE 6
+#define SFP_EEPROM_DIAG_TYPE_ADDR 0x5c
+#define SFP_EEPROM_DIAG_TYPE_SIZE 1
+#define SFP_EEPROM_DIAG_ADDR_CHANGE_REQ (1<<2)
+#define SFP_EEPROM_SFF_8472_COMP_ADDR 0x5e
+#define SFP_EEPROM_SFF_8472_COMP_SIZE 1
+
+#define SFP_EEPROM_A2_CHECKSUM_RANGE 0x5e
+#define SFP_EEPROM_A2_CC_DMI_ADDR 0x5f
+
+#define PWR_FLT_ERR_MSG_LEN 250
+
+#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)
+
+/* Single Media Direct board is the plain 577xx board with CX4/RJ45 jacks */
+#define SINGLE_MEDIA_DIRECT(params) (params->num_phys == 1)
+/* Single Media board contains single external phy */
+#define SINGLE_MEDIA(params) (params->num_phys == 2)
+/* Dual Media board contains two external phy with different media */
+#define DUAL_MEDIA(params) (params->num_phys == 3)
+
+#define FW_PARAM_PHY_ADDR_MASK 0x000000FF
+#define FW_PARAM_PHY_TYPE_MASK 0x0000FF00
+#define FW_PARAM_MDIO_CTRL_MASK 0xFFFF0000
+#define FW_PARAM_MDIO_CTRL_OFFSET 16
+#define FW_PARAM_PHY_ADDR(fw_param) (fw_param & \
+ FW_PARAM_PHY_ADDR_MASK)
+#define FW_PARAM_PHY_TYPE(fw_param) (fw_param & \
+ FW_PARAM_PHY_TYPE_MASK)
+#define FW_PARAM_MDIO_CTRL(fw_param) ((fw_param & \
+ FW_PARAM_MDIO_CTRL_MASK) >> \
+ FW_PARAM_MDIO_CTRL_OFFSET)
+#define FW_PARAM_SET(phy_addr, phy_type, mdio_access) \
+ (phy_addr | phy_type | mdio_access << FW_PARAM_MDIO_CTRL_OFFSET)
+
+
+#define PFC_BRB_FULL_LB_XOFF_THRESHOLD 170
+#define PFC_BRB_FULL_LB_XON_THRESHOLD 250
+
+#define MAXVAL(a, b) (((a) > (b)) ? (a) : (b))
+
+#define BMAC_CONTROL_RX_ENABLE 2
+/***********************************************************/
+/* Structs */
+/***********************************************************/
+#define INT_PHY 0
+#define EXT_PHY1 1
+#define EXT_PHY2 2
+#define MAX_PHYS 3
+
+/* Same configuration is shared between the XGXS and the first external phy */
+#define LINK_CONFIG_SIZE (MAX_PHYS - 1)
+#define LINK_CONFIG_IDX(_phy_idx) ((_phy_idx == INT_PHY) ? \
+ 0 : (_phy_idx - 1))
+/***********************************************************/
+/* bnx2x_phy struct */
+/* Defines the required arguments and function per phy */
+/***********************************************************/
+struct link_vars;
+struct link_params;
+struct bnx2x_phy;
+
+typedef u8 (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params,
+ struct link_vars *vars);
+typedef u8 (*read_status_t)(struct bnx2x_phy *phy, struct link_params *params,
+ struct link_vars *vars);
+typedef void (*link_reset_t)(struct bnx2x_phy *phy,
+ struct link_params *params);
+typedef void (*config_loopback_t)(struct bnx2x_phy *phy,
+ struct link_params *params);
+typedef u8 (*format_fw_ver_t)(u32 raw, u8 *str, u16 *len);
+typedef void (*hw_reset_t)(struct bnx2x_phy *phy, struct link_params *params);
+typedef void (*set_link_led_t)(struct bnx2x_phy *phy,
+ struct link_params *params, u8 mode);
+typedef void (*phy_specific_func_t)(struct bnx2x_phy *phy,
+ struct link_params *params, u32 action);
+struct bnx2x_reg_set {
+ u8 devad;
+ u16 reg;
+ u16 val;
+};
+
+struct bnx2x_phy {
+ u32 type;
+
+ /* Loaded during init */
+ u8 addr;
+ u8 def_md_devad;
+ u16 flags;
+ /* No Over-Current detection */
+#define FLAGS_NOC (1<<1)
+ /* Fan failure detection required */
+#define FLAGS_FAN_FAILURE_DET_REQ (1<<2)
+ /* Initialize first the XGXS and only then the phy itself */
+#define FLAGS_INIT_XGXS_FIRST (1<<3)
+#define FLAGS_WC_DUAL_MODE (1<<4)
+#define FLAGS_4_PORT_MODE (1<<5)
+#define FLAGS_REARM_LATCH_SIGNAL (1<<6)
+#define FLAGS_SFP_NOT_APPROVED (1<<7)
+#define FLAGS_MDC_MDIO_WA (1<<8)
+#define FLAGS_DUMMY_READ (1<<9)
+#define FLAGS_MDC_MDIO_WA_B0 (1<<10)
+#define FLAGS_TX_ERROR_CHECK (1<<12)
+#define FLAGS_EEE (1<<13)
+#define FLAGS_MDC_MDIO_WA_G (1<<15)
+
+ /* preemphasis values for the rx side */
+ u16 rx_preemphasis[4];
+
+ /* preemphasis values for the tx side */
+ u16 tx_preemphasis[4];
+
+ /* EMAC address for access MDIO */
+ u32 mdio_ctrl;
+
+ u32 supported;
+
+ u32 media_type;
+#define ETH_PHY_UNSPECIFIED 0x0
+#define ETH_PHY_SFPP_10G_FIBER 0x1
+#define ETH_PHY_XFP_FIBER 0x2
+#define ETH_PHY_DA_TWINAX 0x3
+#define ETH_PHY_BASE_T 0x4
+#define ETH_PHY_SFP_1G_FIBER 0x5
+#define ETH_PHY_KR 0xf0
+#define ETH_PHY_CX4 0xf1
+#define ETH_PHY_NOT_PRESENT 0xff
+
+ /* The address in which version is located*/
+ u32 ver_addr;
+
+ u16 req_flow_ctrl;
+
+ u16 req_line_speed;
+
+ u32 speed_cap_mask;
+
+ u16 req_duplex;
+ u16 rsrv;
+ /* Called per phy/port init, and it configures LASI, speed, autoneg,
+ duplex, flow control negotiation, etc. */
+ config_init_t config_init;
+
+ /* Called due to interrupt. It determines the link, speed */
+ read_status_t read_status;
+
+ /* Called when driver is unloading. Should reset the phy */
+ link_reset_t link_reset;
+
+ /* Set the loopback configuration for the phy */
+ config_loopback_t config_loopback;
+
+ /* Format the given raw number into str up to len */
+ format_fw_ver_t format_fw_ver;
+
+ /* Reset the phy (both ports) */
+ hw_reset_t hw_reset;
+
+ /* Set link led mode (on/off/oper)*/
+ set_link_led_t set_link_led;
+
+ /* PHY Specific tasks */
+ phy_specific_func_t phy_specific_func;
+#define DISABLE_TX 1
+#define ENABLE_TX 2
+#define PHY_INIT 3
+};
+
+/* 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 3
+#define LOOPBACK_EXT_PHY 4
+#define LOOPBACK_EXT 5
+#define LOOPBACK_UMAC 6
+#define LOOPBACK_XMAC 7
+
+ /* Device parameters */
+ u8 mac_addr[6];
+
+ u16 req_duplex[LINK_CONFIG_SIZE];
+ u16 req_flow_ctrl[LINK_CONFIG_SIZE];
+
+ u16 req_line_speed[LINK_CONFIG_SIZE]; /* Also determine AutoNeg */
+
+ /* shmem parameters */
+ u32 shmem_base;
+ u32 shmem2_base;
+ u32 speed_cap_mask[LINK_CONFIG_SIZE];
+ 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
+
+ u32 lane_config;
+
+ /* Phy register parameter */
+ u32 chip_id;
+
+ /* features */
+ u32 feature_config_flags;
+#define FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED (1<<0)
+#define FEATURE_CONFIG_PFC_ENABLED (1<<1)
+#define FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY (1<<2)
+#define FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY (1<<3)
+#define FEATURE_CONFIG_BC_SUPPORTS_AFEX (1<<8)
+#define FEATURE_CONFIG_AUTOGREEEN_ENABLED (1<<9)
+#define FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED (1<<10)
+#define FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET (1<<11)
+#define FEATURE_CONFIG_MT_SUPPORT (1<<13)
+#define FEATURE_CONFIG_BOOT_FROM_SAN (1<<14)
+
+ /* Will be populated during common init */
+ struct bnx2x_phy phy[MAX_PHYS];
+
+ /* Will be populated during common init */
+ u8 num_phys;
+
+ u8 rsrv;
+
+ /* Used to configure the EEE Tx LPI timer, has several modes of
+ * operation, according to bits 29:28 -
+ * 2'b00: Timer will be configured by nvram, output will be the value
+ * from nvram.
+ * 2'b01: Timer will be configured by nvram, output will be in
+ * microseconds.
+ * 2'b10: bits 1:0 contain an nvram value which will be used instead
+ * of the one located in the nvram. Output will be that value.
+ * 2'b11: bits 19:0 contain the idle timer in microseconds; output
+ * will be in microseconds.
+ * Bits 31:30 should be 2'b11 in order for EEE to be enabled.
+ */
+ u32 eee_mode;
+#define EEE_MODE_NVRAM_BALANCED_TIME (0xa00)
+#define EEE_MODE_NVRAM_AGGRESSIVE_TIME (0x100)
+#define EEE_MODE_NVRAM_LATENCY_TIME (0x6000)
+#define EEE_MODE_NVRAM_MASK (0x3)
+#define EEE_MODE_TIMER_MASK (0xfffff)
+#define EEE_MODE_OUTPUT_TIME (1<<28)
+#define EEE_MODE_OVERRIDE_NVRAM (1<<29)
+#define EEE_MODE_ENABLE_LPI (1<<30)
+#define EEE_MODE_ADV_LPI (1<<31)
+
+ u16 hw_led_mode; /* part of the hw_config read from the shmem */
+ u32 multi_phy_config;
+
+ /* Device pointer passed to all callback functions */
+ struct bnx2x *bp;
+ u16 req_fc_auto_adv; /* Should be set to TX / BOTH when
+ req_flow_ctrl is set to AUTO */
+ u16 link_flags;
+#define LINK_FLAGS_INT_DISABLED (1<<0)
+#define PHY_INITIALIZED (1<<1)
+ u32 lfa_base;
+
+ /* The same definitions as the shmem2 parameter */
+ u32 link_attr_sync;
+};
+
+/* Output parameters */
+struct link_vars {
+ u8 phy_flags;
+#define PHY_XGXS_FLAG (1<<0)
+#define PHY_SGMII_FLAG (1<<1)
+#define PHY_PHYSICAL_LINK_FLAG (1<<2)
+#define PHY_HALF_OPEN_CONN_FLAG (1<<3)
+#define PHY_OVER_CURRENT_FLAG (1<<4)
+#define PHY_SFP_TX_FAULT_FLAG (1<<5)
+
+ u8 mac_type;
+#define MAC_TYPE_NONE 0
+#define MAC_TYPE_EMAC 1
+#define MAC_TYPE_BMAC 2
+#define MAC_TYPE_UMAC 3
+#define MAC_TYPE_XMAC 4
+
+ u8 phy_link_up; /* internal phy link indication */
+ u8 link_up;
+
+ u16 line_speed;
+ u16 duplex;
+
+ u16 flow_ctrl;
+ u16 ieee_fc;
+
+ /* The same definitions as the shmem parameter */
+ u32 link_status;
+ u32 eee_status;
+ u8 fault_detected;
+ u8 check_kr2_recovery_cnt;
+#define CHECK_KR2_RECOVERY_CNT 5
+ u16 periodic_flags;
+#define PERIODIC_FLAGS_LINK_EVENT 0x0001
+
+ u32 aeu_int_mask;
+ u8 rx_tx_asic_rst;
+ u8 turn_to_run_wc_rt;
+ u16 rsrv2;
+};
+
+/***********************************************************/
+/* Functions */
+/***********************************************************/
+int bnx2x_phy_init(struct link_params *params, struct link_vars *vars);
+
+/* 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 */
+int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
+ u8 reset_ext_phy);
+int bnx2x_lfa_reset(struct link_params *params, struct link_vars *vars);
+/* bnx2x_link_update should be called upon link interrupt */
+int bnx2x_link_update(struct link_params *params, struct link_vars *vars);
+
+/* use the following phy 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
+ the register */
+int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
+ u8 devad, u16 reg, u16 *ret_val);
+
+int bnx2x_phy_write(struct link_params *params, 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 */
+int bnx2x_get_ext_phy_fw_version(struct link_params *params, 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.*/
+int bnx2x_set_led(struct link_params *params,
+ struct link_vars *vars, u8 mode, u32 speed);
+#define LED_MODE_OFF 0
+#define LED_MODE_ON 1
+#define LED_MODE_OPER 2
+#define LED_MODE_FRONT_PANEL_OFF 3
+
+/* 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*/
+int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
+ u8 is_serdes);
+
+/* One-time initialization for external phy after power up */
+int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
+ u32 shmem2_base_path[], u32 chip_id);
+
+/* Reset the external PHY using GPIO */
+void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port);
+
+/* Reset the external of SFX7101 */
+void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy);
+
+/* Read "byte_cnt" bytes from address "addr" from the SFP+ EEPROM */
+int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
+ struct link_params *params, u8 dev_addr,
+ u16 addr, u16 byte_cnt, u8 *o_buf);
+
+void bnx2x_hw_reset_phy(struct link_params *params);
+
+/* Check swap bit and adjust PHY order */
+u32 bnx2x_phy_selection(struct link_params *params);
+
+/* Probe the phys on board, and populate them in "params" */
+int bnx2x_phy_probe(struct link_params *params);
+
+/* Checks if fan failure detection is required on one of the phys on board */
+u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, u32 shmem_base,
+ u32 shmem2_base, u8 port);
+
+/* Open / close the gate between the NIG and the BRB */
+void bnx2x_set_rx_filter(struct link_params *params, u8 en);
+
+/* DCBX structs */
+
+/* Number of maximum COS per chip */
+#define DCBX_E2E3_MAX_NUM_COS (2)
+#define DCBX_E3B0_MAX_NUM_COS_PORT0 (6)
+#define DCBX_E3B0_MAX_NUM_COS_PORT1 (3)
+#define DCBX_E3B0_MAX_NUM_COS ( \
+ MAXVAL(DCBX_E3B0_MAX_NUM_COS_PORT0, \
+ DCBX_E3B0_MAX_NUM_COS_PORT1))
+
+#define DCBX_MAX_NUM_COS ( \
+ MAXVAL(DCBX_E3B0_MAX_NUM_COS, \
+ DCBX_E2E3_MAX_NUM_COS))
+
+/* PFC port configuration params */
+struct bnx2x_nig_brb_pfc_port_params {
+ /* NIG */
+ u32 pause_enable;
+ u32 llfc_out_en;
+ u32 llfc_enable;
+ u32 pkt_priority_to_cos;
+ u8 num_of_rx_cos_priority_mask;
+ u32 rx_cos_priority_mask[DCBX_MAX_NUM_COS];
+ u32 llfc_high_priority_classes;
+ u32 llfc_low_priority_classes;
+};
+
+
+/* ETS port configuration params */
+struct bnx2x_ets_bw_params {
+ u8 bw;
+};
+
+struct bnx2x_ets_sp_params {
+ /**
+ * valid values are 0 - 5. 0 is highest strict priority.
+ * There can't be two COS's with the same pri.
+ */
+ u8 pri;
+};
+
+enum bnx2x_cos_state {
+ bnx2x_cos_state_strict = 0,
+ bnx2x_cos_state_bw = 1,
+};
+
+struct bnx2x_ets_cos_params {
+ enum bnx2x_cos_state state ;
+ union {
+ struct bnx2x_ets_bw_params bw_params;
+ struct bnx2x_ets_sp_params sp_params;
+ } params;
+};
+
+struct bnx2x_ets_params {
+ u8 num_of_cos; /* Number of valid COS entries*/
+ struct bnx2x_ets_cos_params cos[DCBX_MAX_NUM_COS];
+};
+
+/* Used to update the PFC attributes in EMAC, BMAC, NIG and BRB
+ * when link is already up
+ */
+int bnx2x_update_pfc(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_nig_brb_pfc_port_params *pfc_params);
+
+
+/* Used to configure the ETS to disable */
+int bnx2x_ets_disabled(struct link_params *params,
+ struct link_vars *vars);
+
+/* Used to configure the ETS to BW limited */
+void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
+ const u32 cos1_bw);
+
+/* Used to configure the ETS to strict */
+int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos);
+
+
+/* Configure the COS to ETS according to BW and SP settings.*/
+int bnx2x_ets_e3b0_config(const struct link_params *params,
+ const struct link_vars *vars,
+ struct bnx2x_ets_params *ets_params);
+
+void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
+ u32 chip_id, u32 shmem_base, u32 shmem2_base,
+ u8 port);
+
+void bnx2x_period_func(struct link_params *params, struct link_vars *vars);
+
+#endif /* BNX2X_LINK_H */
Code Review / kvmfornfv.git / blobdiff