1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ |
3 | * |
4 | */ |
5 | |
6 | #ifndef AM65_CPSW_NUSS_H_ |
7 | #define AM65_CPSW_NUSS_H_ |
8 | |
9 | #include <linux/if_ether.h> |
10 | #include <linux/kernel.h> |
11 | #include <linux/module.h> |
12 | #include <linux/netdevice.h> |
13 | #include <linux/phylink.h> |
14 | #include <linux/platform_device.h> |
15 | #include <linux/soc/ti/k3-ringacc.h> |
16 | #include <net/devlink.h> |
17 | #include "am65-cpsw-qos.h" |
18 | |
19 | struct am65_cpts; |
20 | |
21 | #define HOST_PORT_NUM 0 |
22 | |
23 | #define AM65_CPSW_MAX_TX_QUEUES 8 |
24 | #define AM65_CPSW_MAX_RX_QUEUES 1 |
25 | #define AM65_CPSW_MAX_RX_FLOWS 1 |
26 | |
27 | #define AM65_CPSW_PORT_VLAN_REG_OFFSET 0x014 |
28 | |
29 | struct am65_cpsw_slave_data { |
30 | bool mac_only; |
31 | struct cpsw_sl *mac_sl; |
32 | struct device_node *phy_node; |
33 | phy_interface_t phy_if; |
34 | struct phy *ifphy; |
35 | struct phy *serdes_phy; |
36 | bool rx_pause; |
37 | bool tx_pause; |
38 | u8 mac_addr[ETH_ALEN]; |
39 | int port_vlan; |
40 | struct phylink *phylink; |
41 | struct phylink_config phylink_config; |
42 | }; |
43 | |
44 | struct am65_cpsw_port { |
45 | struct am65_cpsw_common *common; |
46 | struct net_device *ndev; |
47 | const char *name; |
48 | u32 port_id; |
49 | void __iomem *port_base; |
50 | void __iomem *sgmii_base; |
51 | void __iomem *stat_base; |
52 | void __iomem *fetch_ram_base; |
53 | bool disabled; |
54 | struct am65_cpsw_slave_data slave; |
55 | bool tx_ts_enabled; |
56 | bool rx_ts_enabled; |
57 | struct am65_cpsw_qos qos; |
58 | struct devlink_port devlink_port; |
59 | /* Only for suspend resume context */ |
60 | u32 vid_context; |
61 | }; |
62 | |
63 | struct am65_cpsw_host { |
64 | struct am65_cpsw_common *common; |
65 | void __iomem *port_base; |
66 | void __iomem *stat_base; |
67 | /* Only for suspend resume context */ |
68 | u32 vid_context; |
69 | }; |
70 | |
71 | struct am65_cpsw_tx_chn { |
72 | struct device *dma_dev; |
73 | struct napi_struct napi_tx; |
74 | struct am65_cpsw_common *common; |
75 | struct k3_cppi_desc_pool *desc_pool; |
76 | struct k3_udma_glue_tx_channel *tx_chn; |
77 | spinlock_t lock; /* protect TX rings in multi-port mode */ |
78 | struct hrtimer tx_hrtimer; |
79 | unsigned long tx_pace_timeout; |
80 | int irq; |
81 | u32 id; |
82 | u32 descs_num; |
83 | char tx_chn_name[128]; |
84 | u32 rate_mbps; |
85 | }; |
86 | |
87 | struct am65_cpsw_rx_chn { |
88 | struct device *dev; |
89 | struct device *dma_dev; |
90 | struct k3_cppi_desc_pool *desc_pool; |
91 | struct k3_udma_glue_rx_channel *rx_chn; |
92 | u32 descs_num; |
93 | int irq; |
94 | }; |
95 | |
96 | #define AM65_CPSW_QUIRK_I2027_NO_TX_CSUM BIT(0) |
97 | #define AM64_CPSW_QUIRK_DMA_RX_TDOWN_IRQ BIT(1) |
98 | |
99 | struct am65_cpsw_pdata { |
100 | u32 quirks; |
101 | u64 ; |
102 | enum k3_ring_mode fdqring_mode; |
103 | const char *ale_dev_id; |
104 | }; |
105 | |
106 | enum cpsw_devlink_param_id { |
107 | AM65_CPSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, |
108 | AM65_CPSW_DL_PARAM_SWITCH_MODE, |
109 | }; |
110 | |
111 | struct am65_cpsw_devlink { |
112 | struct am65_cpsw_common *common; |
113 | }; |
114 | |
115 | struct am65_cpsw_common { |
116 | struct device *dev; |
117 | struct device *mdio_dev; |
118 | struct am65_cpsw_pdata pdata; |
119 | |
120 | void __iomem *ss_base; |
121 | void __iomem *cpsw_base; |
122 | |
123 | u32 port_num; |
124 | struct am65_cpsw_host host; |
125 | struct am65_cpsw_port *ports; |
126 | u32 disabled_ports_mask; |
127 | struct net_device *dma_ndev; |
128 | |
129 | int usage_count; /* number of opened ports */ |
130 | struct cpsw_ale *ale; |
131 | int tx_ch_num; |
132 | u32 tx_ch_rate_msk; |
133 | u32 rx_flow_id_base; |
134 | |
135 | struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_TX_QUEUES]; |
136 | struct completion tdown_complete; |
137 | atomic_t tdown_cnt; |
138 | |
139 | struct am65_cpsw_rx_chn rx_chns; |
140 | struct napi_struct napi_rx; |
141 | |
142 | bool rx_irq_disabled; |
143 | struct hrtimer rx_hrtimer; |
144 | unsigned long rx_pace_timeout; |
145 | |
146 | u32 nuss_ver; |
147 | u32 cpsw_ver; |
148 | unsigned long bus_freq; |
149 | bool pf_p0_rx_ptype_rrobin; |
150 | struct am65_cpts *cpts; |
151 | int est_enabled; |
152 | bool iet_enabled; |
153 | |
154 | bool is_emac_mode; |
155 | u16 br_members; |
156 | int default_vlan; |
157 | struct devlink *devlink; |
158 | struct net_device *hw_bridge_dev; |
159 | struct notifier_block am65_cpsw_netdevice_nb; |
160 | unsigned char switch_id[MAX_PHYS_ITEM_ID_LEN]; |
161 | /* only for suspend/resume context restore */ |
162 | u32 *ale_context; |
163 | }; |
164 | |
165 | struct am65_cpsw_ndev_stats { |
166 | u64 tx_packets; |
167 | u64 tx_bytes; |
168 | u64 rx_packets; |
169 | u64 rx_bytes; |
170 | struct u64_stats_sync syncp; |
171 | }; |
172 | |
173 | struct am65_cpsw_ndev_priv { |
174 | u32 msg_enable; |
175 | struct am65_cpsw_port *port; |
176 | struct am65_cpsw_ndev_stats __percpu *stats; |
177 | bool offload_fwd_mark; |
178 | /* Serialize access to MAC Merge state between ethtool requests |
179 | * and link state updates |
180 | */ |
181 | struct mutex mm_lock; |
182 | }; |
183 | |
184 | #define am65_ndev_to_priv(ndev) \ |
185 | ((struct am65_cpsw_ndev_priv *)netdev_priv(ndev)) |
186 | #define am65_ndev_to_port(ndev) (am65_ndev_to_priv(ndev)->port) |
187 | #define am65_ndev_to_common(ndev) (am65_ndev_to_port(ndev)->common) |
188 | #define am65_ndev_to_slave(ndev) (&am65_ndev_to_port(ndev)->slave) |
189 | |
190 | #define am65_common_get_host(common) (&(common)->host) |
191 | #define am65_common_get_port(common, id) (&(common)->ports[(id) - 1]) |
192 | |
193 | #define am65_cpsw_napi_to_common(pnapi) \ |
194 | container_of(pnapi, struct am65_cpsw_common, napi_rx) |
195 | #define am65_cpsw_napi_to_tx_chn(pnapi) \ |
196 | container_of(pnapi, struct am65_cpsw_tx_chn, napi_tx) |
197 | |
198 | #define AM65_CPSW_DRV_NAME "am65-cpsw-nuss" |
199 | |
200 | #define AM65_CPSW_IS_CPSW2G(common) ((common)->port_num == 1) |
201 | |
202 | extern const struct ethtool_ops am65_cpsw_ethtool_ops_slave; |
203 | |
204 | void am65_cpsw_nuss_set_p0_ptype(struct am65_cpsw_common *common); |
205 | void am65_cpsw_nuss_remove_tx_chns(struct am65_cpsw_common *common); |
206 | int am65_cpsw_nuss_update_tx_chns(struct am65_cpsw_common *common, int num_tx); |
207 | |
208 | bool am65_cpsw_port_dev_check(const struct net_device *dev); |
209 | |
210 | #endif /* AM65_CPSW_NUSS_H_ */ |
211 | |