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Embedded Linux Audio
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/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ * */ #ifndef AM65_CPSW_NUSS_H_ #define AM65_CPSW_NUSS_H_ #include <linux/if_ether.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/phylink.h> #include <linux/platform_device.h> #include <linux/soc/ti/k3-ringacc.h> #include <net/devlink.h> #include "am65-cpsw-qos.h" struct am65_cpts; #define HOST_PORT_NUM 0 #define AM65_CPSW_MAX_TX_QUEUES 8 #define AM65_CPSW_MAX_RX_QUEUES 1 #define AM65_CPSW_MAX_RX_FLOWS 1 #define AM65_CPSW_PORT_VLAN_REG_OFFSET 0x014 struct am65_cpsw_slave_data { bool mac_only; struct cpsw_sl *mac_sl; struct device_node *phy_node; phy_interface_t phy_if; struct phy *ifphy; bool rx_pause; bool tx_pause; u8 mac_addr[ETH_ALEN]; int port_vlan; struct phylink *phylink; struct phylink_config phylink_config; }; struct am65_cpsw_port { struct am65_cpsw_common *common; struct net_device *ndev; const char *name; u32 port_id; void __iomem *port_base; void __iomem *sgmii_base; void __iomem *stat_base; void __iomem *fetch_ram_base; bool disabled; struct am65_cpsw_slave_data slave; bool tx_ts_enabled; bool rx_ts_enabled; struct am65_cpsw_qos qos; struct devlink_port devlink_port; /* Only for suspend resume context */ u32 vid_context; }; struct am65_cpsw_host { struct am65_cpsw_common *common; void __iomem *port_base; void __iomem *stat_base; /* Only for suspend resume context */ u32 vid_context; }; struct am65_cpsw_tx_chn { struct device *dma_dev; struct napi_struct napi_tx; struct am65_cpsw_common *common; struct k3_cppi_desc_pool *desc_pool; struct k3_udma_glue_tx_channel *tx_chn; spinlock_t lock; /* protect TX rings in multi-port mode */ int irq; u32 id; u32 descs_num; char tx_chn_name[128]; }; struct am65_cpsw_rx_chn { struct device *dev; struct device *dma_dev; struct k3_cppi_desc_pool *desc_pool; struct k3_udma_glue_rx_channel *rx_chn; u32 descs_num; int irq; }; #define AM65_CPSW_QUIRK_I2027_NO_TX_CSUM BIT(0) struct am65_cpsw_pdata { u32 quirks; u64 extra_modes; enum k3_ring_mode fdqring_mode; const char *ale_dev_id; }; enum cpsw_devlink_param_id { AM65_CPSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, AM65_CPSW_DL_PARAM_SWITCH_MODE, }; struct am65_cpsw_devlink { struct am65_cpsw_common *common; }; struct am65_cpsw_common { struct device *dev; struct device *mdio_dev; struct am65_cpsw_pdata pdata; void __iomem *ss_base; void __iomem *cpsw_base; u32 port_num; struct am65_cpsw_host host; struct am65_cpsw_port *ports; u32 disabled_ports_mask; struct net_device *dma_ndev; int usage_count; /* number of opened ports */ struct cpsw_ale *ale; int tx_ch_num; u32 rx_flow_id_base; struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_TX_QUEUES]; struct completion tdown_complete; atomic_t tdown_cnt; struct am65_cpsw_rx_chn rx_chns; struct napi_struct napi_rx; bool rx_irq_disabled; u32 nuss_ver; u32 cpsw_ver; unsigned long bus_freq; bool pf_p0_rx_ptype_rrobin; struct am65_cpts *cpts; int est_enabled; bool is_emac_mode; u16 br_members; int default_vlan; struct devlink *devlink; struct net_device *hw_bridge_dev; struct notifier_block am65_cpsw_netdevice_nb; unsigned char switch_id[MAX_PHYS_ITEM_ID_LEN]; /* only for suspend/resume context restore */ u32 *ale_context; }; struct am65_cpsw_ndev_stats { u64 tx_packets; u64 tx_bytes; u64 rx_packets; u64 rx_bytes; struct u64_stats_sync syncp; }; struct am65_cpsw_ndev_priv { u32 msg_enable; struct am65_cpsw_port *port; struct am65_cpsw_ndev_stats __percpu *stats; bool offload_fwd_mark; }; #define am65_ndev_to_priv(ndev) \ ((struct am65_cpsw_ndev_priv *)netdev_priv(ndev)) #define am65_ndev_to_port(ndev) (am65_ndev_to_priv(ndev)->port) #define am65_ndev_to_common(ndev) (am65_ndev_to_port(ndev)->common) #define am65_ndev_to_slave(ndev) (&am65_ndev_to_port(ndev)->slave) #define am65_common_get_host(common) (&(common)->host) #define am65_common_get_port(common, id) (&(common)->ports[(id) - 1]) #define am65_cpsw_napi_to_common(pnapi) \ container_of(pnapi, struct am65_cpsw_common, napi_rx) #define am65_cpsw_napi_to_tx_chn(pnapi) \ container_of(pnapi, struct am65_cpsw_tx_chn, napi_tx) #define AM65_CPSW_DRV_NAME "am65-cpsw-nuss" #define AM65_CPSW_IS_CPSW2G(common) ((common)->port_num == 1) extern const struct ethtool_ops am65_cpsw_ethtool_ops_slave; void am65_cpsw_nuss_adjust_link(struct net_device *ndev); void am65_cpsw_nuss_set_p0_ptype(struct am65_cpsw_common *common); void am65_cpsw_nuss_remove_tx_chns(struct am65_cpsw_common *common); int am65_cpsw_nuss_update_tx_chns(struct am65_cpsw_common *common, int num_tx); bool am65_cpsw_port_dev_check(const struct net_device *dev); #endif /* AM65_CPSW_NUSS_H_ */
