drivers/net/ethernet/stmicro/stmmac/hwif.h

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
   3 // stmmac HW Interface Callbacks
   4
   5 #ifndef __STMMAC_HWIF_H__
   6 #define __STMMAC_HWIF_H__
   7
   8 #include <linux/netdevice.h>
   9
  10 #define stmmac_do_void_callback(__priv, __module, __cname,  __arg0, __args...) \
  11 ({ \
  12         int __result = -EINVAL; \
  13         if ((__priv)->hw->__module && (__priv)->hw->__module->__cname) { \
  14                 (__priv)->hw->__module->__cname((__arg0), ##__args); \
  15                 __result = 0; \
  16         } \
  17         __result; \
  18 })
  19 #define stmmac_do_callback(__priv, __module, __cname,  __arg0, __args...) \
  20 ({ \
  21         int __result = -EINVAL; \
  22         if ((__priv)->hw->__module && (__priv)->hw->__module->__cname) \
  23                 __result = (__priv)->hw->__module->__cname((__arg0), ##__args); \
  24         __result; \
  25 })
  26
  27 struct stmmac_extra_stats;
  28 struct stmmac_safety_stats;
  29 struct dma_desc;
  30 struct dma_extended_desc;
  31
  32 /* Descriptors helpers */
  33 struct stmmac_desc_ops {
  34         /* DMA RX descriptor ring initialization */
  35         void (*init_rx_desc)(struct dma_desc *p, int disable_rx_ic, int mode,
  36                         int end);
  37         /* DMA TX descriptor ring initialization */
  38         void (*init_tx_desc)(struct dma_desc *p, int mode, int end);
  39         /* Invoked by the xmit function to prepare the tx descriptor */
  40         void (*prepare_tx_desc)(struct dma_desc *p, int is_fs, int len,
  41                         bool csum_flag, int mode, bool tx_own, bool ls,
  42                         unsigned int tot_pkt_len);
  43         void (*prepare_tso_tx_desc)(struct dma_desc *p, int is_fs, int len1,
  44                         int len2, bool tx_own, bool ls, unsigned int tcphdrlen,
  45                         unsigned int tcppayloadlen);
  46         /* Set/get the owner of the descriptor */
  47         void (*set_tx_owner)(struct dma_desc *p);
  48         int (*get_tx_owner)(struct dma_desc *p);
  49         /* Clean the tx descriptor as soon as the tx irq is received */
  50         void (*release_tx_desc)(struct dma_desc *p, int mode);
  51         /* Clear interrupt on tx frame completion. When this bit is
  52          * set an interrupt happens as soon as the frame is transmitted */
  53         void (*set_tx_ic)(struct dma_desc *p);
  54         /* Last tx segment reports the transmit status */
  55         int (*get_tx_ls)(struct dma_desc *p);
  56         /* Return the transmit status looking at the TDES1 */
  57         int (*tx_status)(void *data, struct stmmac_extra_stats *x,
  58                         struct dma_desc *p, void __iomem *ioaddr);
  59         /* Get the buffer size from the descriptor */
  60         int (*get_tx_len)(struct dma_desc *p);
  61         /* Handle extra events on specific interrupts hw dependent */
  62         void (*set_rx_owner)(struct dma_desc *p, int disable_rx_ic);
  63         /* Get the receive frame size */
  64         int (*get_rx_frame_len)(struct dma_desc *p, int rx_coe_type);
  65         /* Return the reception status looking at the RDES1 */
  66         int (*rx_status)(void *data, struct stmmac_extra_stats *x,
  67                         struct dma_desc *p);
  68         void (*rx_extended_status)(void *data, struct stmmac_extra_stats *x,
  69                         struct dma_extended_desc *p);
  70         /* Set tx timestamp enable bit */
  71         void (*enable_tx_timestamp) (struct dma_desc *p);
  72         /* get tx timestamp status */
  73         int (*get_tx_timestamp_status) (struct dma_desc *p);
  74         /* get timestamp value */
  75         void (*get_timestamp)(void *desc, u32 ats, u64 *ts);
  76         /* get rx timestamp status */
  77         int (*get_rx_timestamp_status)(void *desc, void *next_desc, u32 ats);
  78         /* Display ring */
  79         void (*display_ring)(void *head, unsigned int size, bool rx);
  80         /* set MSS via context descriptor */
  81         void (*set_mss)(struct dma_desc *p, unsigned int mss);
  82         /* get descriptor skbuff address */
  83         void (*get_addr)(struct dma_desc *p, unsigned int *addr);
  84         /* set descriptor skbuff address */
  85         void (*set_addr)(struct dma_desc *p, dma_addr_t addr);
  86         /* clear descriptor */
  87         void (*clear)(struct dma_desc *p);
  88 };
  89
  90 #define stmmac_init_rx_desc(__priv, __args...) \
  91         stmmac_do_void_callback(__priv, desc, init_rx_desc, __args)
  92 #define stmmac_init_tx_desc(__priv, __args...) \
  93         stmmac_do_void_callback(__priv, desc, init_tx_desc, __args)
  94 #define stmmac_prepare_tx_desc(__priv, __args...) \
  95         stmmac_do_void_callback(__priv, desc, prepare_tx_desc, __args)
  96 #define stmmac_prepare_tso_tx_desc(__priv, __args...) \
  97         stmmac_do_void_callback(__priv, desc, prepare_tso_tx_desc, __args)
  98 #define stmmac_set_tx_owner(__priv, __args...) \
  99         stmmac_do_void_callback(__priv, desc, set_tx_owner, __args)
 100 #define stmmac_get_tx_owner(__priv, __args...) \
 101         stmmac_do_callback(__priv, desc, get_tx_owner, __args)
 102 #define stmmac_release_tx_desc(__priv, __args...) \
 103         stmmac_do_void_callback(__priv, desc, release_tx_desc, __args)
 104 #define stmmac_set_tx_ic(__priv, __args...) \
 105         stmmac_do_void_callback(__priv, desc, set_tx_ic, __args)
 106 #define stmmac_get_tx_ls(__priv, __args...) \
 107         stmmac_do_callback(__priv, desc, get_tx_ls, __args)
 108 #define stmmac_tx_status(__priv, __args...) \
 109         stmmac_do_callback(__priv, desc, tx_status, __args)
 110 #define stmmac_get_tx_len(__priv, __args...) \
 111         stmmac_do_callback(__priv, desc, get_tx_len, __args)
 112 #define stmmac_set_rx_owner(__priv, __args...) \
 113         stmmac_do_void_callback(__priv, desc, set_rx_owner, __args)
 114 #define stmmac_get_rx_frame_len(__priv, __args...) \
 115         stmmac_do_callback(__priv, desc, get_rx_frame_len, __args)
 116 #define stmmac_rx_status(__priv, __args...) \
 117         stmmac_do_callback(__priv, desc, rx_status, __args)
 118 #define stmmac_rx_extended_status(__priv, __args...) \
 119         stmmac_do_void_callback(__priv, desc, rx_extended_status, __args)
 120 #define stmmac_enable_tx_timestamp(__priv, __args...) \
 121         stmmac_do_void_callback(__priv, desc, enable_tx_timestamp, __args)
 122 #define stmmac_get_tx_timestamp_status(__priv, __args...) \
 123         stmmac_do_callback(__priv, desc, get_tx_timestamp_status, __args)
 124 #define stmmac_get_timestamp(__priv, __args...) \
 125         stmmac_do_void_callback(__priv, desc, get_timestamp, __args)
 126 #define stmmac_get_rx_timestamp_status(__priv, __args...) \
 127         stmmac_do_callback(__priv, desc, get_rx_timestamp_status, __args)
 128 #define stmmac_display_ring(__priv, __args...) \
 129         stmmac_do_void_callback(__priv, desc, display_ring, __args)
 130 #define stmmac_set_mss(__priv, __args...) \
 131         stmmac_do_void_callback(__priv, desc, set_mss, __args)
 132 #define stmmac_get_desc_addr(__priv, __args...) \
 133         stmmac_do_void_callback(__priv, desc, get_addr, __args)
 134 #define stmmac_set_desc_addr(__priv, __args...) \
 135         stmmac_do_void_callback(__priv, desc, set_addr, __args)
 136 #define stmmac_clear_desc(__priv, __args...) \
 137         stmmac_do_void_callback(__priv, desc, clear, __args)
 138
 139 struct stmmac_dma_cfg;
 140 struct dma_features;
 141
 142 /* Specific DMA helpers */
 143 struct stmmac_dma_ops {
 144         /* DMA core initialization */
 145         int (*reset)(void __iomem *ioaddr);
 146         void (*init)(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg,
 147                      int atds);
 148         void (*init_chan)(void __iomem *ioaddr,
 149                           struct stmmac_dma_cfg *dma_cfg, u32 chan);
 150         void (*init_rx_chan)(void __iomem *ioaddr,
 151                              struct stmmac_dma_cfg *dma_cfg,
 152                              u32 dma_rx_phy, u32 chan);
 153         void (*init_tx_chan)(void __iomem *ioaddr,
 154                              struct stmmac_dma_cfg *dma_cfg,
 155                              u32 dma_tx_phy, u32 chan);
 156         /* Configure the AXI Bus Mode Register */
 157         void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi);
 158         /* Dump DMA registers */
 159         void (*dump_regs)(void __iomem *ioaddr, u32 *reg_space);
 160         void (*dma_rx_mode)(void __iomem *ioaddr, int mode, u32 channel,
 161                             int fifosz, u8 qmode);
 162         void (*dma_tx_mode)(void __iomem *ioaddr, int mode, u32 channel,
 163                             int fifosz, u8 qmode);
 164         /* To track extra statistic (if supported) */
 165         void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x,
 166                                    void __iomem *ioaddr);
 167         void (*enable_dma_transmission) (void __iomem *ioaddr);
 168         void (*enable_dma_irq)(void __iomem *ioaddr, u32 chan);
 169         void (*disable_dma_irq)(void __iomem *ioaddr, u32 chan);
 170         void (*start_tx)(void __iomem *ioaddr, u32 chan);
 171         void (*stop_tx)(void __iomem *ioaddr, u32 chan);
 172         void (*start_rx)(void __iomem *ioaddr, u32 chan);
 173         void (*stop_rx)(void __iomem *ioaddr, u32 chan);
 174         int (*dma_interrupt) (void __iomem *ioaddr,
 175                               struct stmmac_extra_stats *x, u32 chan);
 176         /* If supported then get the optional core features */
 177         void (*get_hw_feature)(void __iomem *ioaddr,
 178                                struct dma_features *dma_cap);
 179         /* Program the HW RX Watchdog */
 180         void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt, u32 number_chan);
 181         void (*set_tx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
 182         void (*set_rx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
 183         void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
 184         void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
 185         void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan);
 186 };
 187
 188 #define stmmac_reset(__priv, __args...) \
 189         stmmac_do_callback(__priv, dma, reset, __args)
 190 #define stmmac_dma_init(__priv, __args...) \
 191         stmmac_do_void_callback(__priv, dma, init, __args)
 192 #define stmmac_init_chan(__priv, __args...) \
 193         stmmac_do_void_callback(__priv, dma, init_chan, __args)
 194 #define stmmac_init_rx_chan(__priv, __args...) \
 195         stmmac_do_void_callback(__priv, dma, init_rx_chan, __args)
 196 #define stmmac_init_tx_chan(__priv, __args...) \
 197         stmmac_do_void_callback(__priv, dma, init_tx_chan, __args)
 198 #define stmmac_axi(__priv, __args...) \
 199         stmmac_do_void_callback(__priv, dma, axi, __args)
 200 #define stmmac_dump_dma_regs(__priv, __args...) \
 201         stmmac_do_void_callback(__priv, dma, dump_regs, __args)
 202 #define stmmac_dma_rx_mode(__priv, __args...) \
 203         stmmac_do_void_callback(__priv, dma, dma_rx_mode, __args)
 204 #define stmmac_dma_tx_mode(__priv, __args...) \
 205         stmmac_do_void_callback(__priv, dma, dma_tx_mode, __args)
 206 #define stmmac_dma_diagnostic_fr(__priv, __args...) \
 207         stmmac_do_void_callback(__priv, dma, dma_diagnostic_fr, __args)
 208 #define stmmac_enable_dma_transmission(__priv, __args...) \
 209         stmmac_do_void_callback(__priv, dma, enable_dma_transmission, __args)
 210 #define stmmac_enable_dma_irq(__priv, __args...) \
 211         stmmac_do_void_callback(__priv, dma, enable_dma_irq, __args)
 212 #define stmmac_disable_dma_irq(__priv, __args...) \
 213         stmmac_do_void_callback(__priv, dma, disable_dma_irq, __args)
 214 #define stmmac_start_tx(__priv, __args...) \
 215         stmmac_do_void_callback(__priv, dma, start_tx, __args)
 216 #define stmmac_stop_tx(__priv, __args...) \
 217         stmmac_do_void_callback(__priv, dma, stop_tx, __args)
 218 #define stmmac_start_rx(__priv, __args...) \
 219         stmmac_do_void_callback(__priv, dma, start_rx, __args)
 220 #define stmmac_stop_rx(__priv, __args...) \
 221         stmmac_do_void_callback(__priv, dma, stop_rx, __args)
 222 #define stmmac_dma_interrupt_status(__priv, __args...) \
 223         stmmac_do_callback(__priv, dma, dma_interrupt, __args)
 224 #define stmmac_get_hw_feature(__priv, __args...) \
 225         stmmac_do_void_callback(__priv, dma, get_hw_feature, __args)
 226 #define stmmac_rx_watchdog(__priv, __args...) \
 227         stmmac_do_void_callback(__priv, dma, rx_watchdog, __args)
 228 #define stmmac_set_tx_ring_len(__priv, __args...) \
 229         stmmac_do_void_callback(__priv, dma, set_tx_ring_len, __args)
 230 #define stmmac_set_rx_ring_len(__priv, __args...) \
 231         stmmac_do_void_callback(__priv, dma, set_rx_ring_len, __args)
 232 #define stmmac_set_rx_tail_ptr(__priv, __args...) \
 233         stmmac_do_void_callback(__priv, dma, set_rx_tail_ptr, __args)
 234 #define stmmac_set_tx_tail_ptr(__priv, __args...) \
 235         stmmac_do_void_callback(__priv, dma, set_tx_tail_ptr, __args)
 236 #define stmmac_enable_tso(__priv, __args...) \
 237         stmmac_do_void_callback(__priv, dma, enable_tso, __args)
 238
 239 struct mac_device_info;
 240 struct net_device;
 241 struct rgmii_adv;
 242 struct stmmac_safety_stats;
 243 struct stmmac_tc_entry;
 244
 245 /* Helpers to program the MAC core */
 246 struct stmmac_ops {
 247         /* MAC core initialization */
 248         void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
 249         /* Enable the MAC RX/TX */
 250         void (*set_mac)(void __iomem *ioaddr, bool enable);
 251         /* Enable and verify that the IPC module is supported */
 252         int (*rx_ipc)(struct mac_device_info *hw);
 253         /* Enable RX Queues */
 254         void (*rx_queue_enable)(struct mac_device_info *hw, u8 mode, u32 queue);
 255         /* RX Queues Priority */
 256         void (*rx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
 257         /* TX Queues Priority */
 258         void (*tx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
 259         /* RX Queues Routing */
 260         void (*rx_queue_routing)(struct mac_device_info *hw, u8 packet,
 261                                  u32 queue);
 262         /* Program RX Algorithms */
 263         void (*prog_mtl_rx_algorithms)(struct mac_device_info *hw, u32 rx_alg);
 264         /* Program TX Algorithms */
 265         void (*prog_mtl_tx_algorithms)(struct mac_device_info *hw, u32 tx_alg);
 266         /* Set MTL TX queues weight */
 267         void (*set_mtl_tx_queue_weight)(struct mac_device_info *hw,
 268                                         u32 weight, u32 queue);
 269         /* RX MTL queue to RX dma mapping */
 270         void (*map_mtl_to_dma)(struct mac_device_info *hw, u32 queue, u32 chan);
 271         /* Configure AV Algorithm */
 272         void (*config_cbs)(struct mac_device_info *hw, u32 send_slope,
 273                            u32 idle_slope, u32 high_credit, u32 low_credit,
 274                            u32 queue);
 275         /* Dump MAC registers */
 276         void (*dump_regs)(struct mac_device_info *hw, u32 *reg_space);
 277         /* Handle extra events on specific interrupts hw dependent */
 278         int (*host_irq_status)(struct mac_device_info *hw,
 279                                struct stmmac_extra_stats *x);
 280         /* Handle MTL interrupts */
 281         int (*host_mtl_irq_status)(struct mac_device_info *hw, u32 chan);
 282         /* Multicast filter setting */
 283         void (*set_filter)(struct mac_device_info *hw, struct net_device *dev);
 284         /* Flow control setting */
 285         void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex,
 286                           unsigned int fc, unsigned int pause_time, u32 tx_cnt);
 287         /* Set power management mode (e.g. magic frame) */
 288         void (*pmt)(struct mac_device_info *hw, unsigned long mode);
 289         /* Set/Get Unicast MAC addresses */
 290         void (*set_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
 291                               unsigned int reg_n);
 292         void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
 293                               unsigned int reg_n);
 294         void (*set_eee_mode)(struct mac_device_info *hw,
 295                              bool en_tx_lpi_clockgating);
 296         void (*reset_eee_mode)(struct mac_device_info *hw);
 297         void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw);
 298         void (*set_eee_pls)(struct mac_device_info *hw, int link);
 299         void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x,
 300                       u32 rx_queues, u32 tx_queues);
 301         /* PCS calls */
 302         void (*pcs_ctrl_ane)(void __iomem *ioaddr, bool ane, bool srgmi_ral,
 303                              bool loopback);
 304         void (*pcs_rane)(void __iomem *ioaddr, bool restart);
 305         void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv);
 306         /* Safety Features */
 307         int (*safety_feat_config)(void __iomem *ioaddr, unsigned int asp);
 308         int (*safety_feat_irq_status)(struct net_device *ndev,
 309                         void __iomem *ioaddr, unsigned int asp,
 310                         struct stmmac_safety_stats *stats);
 311         int (*safety_feat_dump)(struct stmmac_safety_stats *stats,
 312                         int index, unsigned long *count, const char **desc);
 313         /* Flexible RX Parser */
 314         int (*rxp_config)(void __iomem *ioaddr, struct stmmac_tc_entry *entries,
 315                           unsigned int count);
 316 };
 317
 318 #define stmmac_core_init(__priv, __args...) \
 319         stmmac_do_void_callback(__priv, mac, core_init, __args)
 320 #define stmmac_mac_set(__priv, __args...) \
 321         stmmac_do_void_callback(__priv, mac, set_mac, __args)
 322 #define stmmac_rx_ipc(__priv, __args...) \
 323         stmmac_do_callback(__priv, mac, rx_ipc, __args)
 324 #define stmmac_rx_queue_enable(__priv, __args...) \
 325         stmmac_do_void_callback(__priv, mac, rx_queue_enable, __args)
 326 #define stmmac_rx_queue_prio(__priv, __args...) \
 327         stmmac_do_void_callback(__priv, mac, rx_queue_prio, __args)
 328 #define stmmac_tx_queue_prio(__priv, __args...) \
 329         stmmac_do_void_callback(__priv, mac, tx_queue_prio, __args)
 330 #define stmmac_rx_queue_routing(__priv, __args...) \
 331         stmmac_do_void_callback(__priv, mac, rx_queue_routing, __args)
 332 #define stmmac_prog_mtl_rx_algorithms(__priv, __args...) \
 333         stmmac_do_void_callback(__priv, mac, prog_mtl_rx_algorithms, __args)
 334 #define stmmac_prog_mtl_tx_algorithms(__priv, __args...) \
 335         stmmac_do_void_callback(__priv, mac, prog_mtl_tx_algorithms, __args)
 336 #define stmmac_set_mtl_tx_queue_weight(__priv, __args...) \
 337         stmmac_do_void_callback(__priv, mac, set_mtl_tx_queue_weight, __args)
 338 #define stmmac_map_mtl_to_dma(__priv, __args...) \
 339         stmmac_do_void_callback(__priv, mac, map_mtl_to_dma, __args)
 340 #define stmmac_config_cbs(__priv, __args...) \
 341         stmmac_do_void_callback(__priv, mac, config_cbs, __args)
 342 #define stmmac_dump_mac_regs(__priv, __args...) \
 343         stmmac_do_void_callback(__priv, mac, dump_regs, __args)
 344 #define stmmac_host_irq_status(__priv, __args...) \
 345         stmmac_do_callback(__priv, mac, host_irq_status, __args)
 346 #define stmmac_host_mtl_irq_status(__priv, __args...) \
 347         stmmac_do_callback(__priv, mac, host_mtl_irq_status, __args)
 348 #define stmmac_set_filter(__priv, __args...) \
 349         stmmac_do_void_callback(__priv, mac, set_filter, __args)
 350 #define stmmac_flow_ctrl(__priv, __args...) \
 351         stmmac_do_void_callback(__priv, mac, flow_ctrl, __args)
 352 #define stmmac_pmt(__priv, __args...) \
 353         stmmac_do_void_callback(__priv, mac, pmt, __args)
 354 #define stmmac_set_umac_addr(__priv, __args...) \
 355         stmmac_do_void_callback(__priv, mac, set_umac_addr, __args)
 356 #define stmmac_get_umac_addr(__priv, __args...) \
 357         stmmac_do_void_callback(__priv, mac, get_umac_addr, __args)
 358 #define stmmac_set_eee_mode(__priv, __args...) \
 359         stmmac_do_void_callback(__priv, mac, set_eee_mode, __args)
 360 #define stmmac_reset_eee_mode(__priv, __args...) \
 361         stmmac_do_void_callback(__priv, mac, reset_eee_mode, __args)
 362 #define stmmac_set_eee_timer(__priv, __args...) \
 363         stmmac_do_void_callback(__priv, mac, set_eee_timer, __args)
 364 #define stmmac_set_eee_pls(__priv, __args...) \
 365         stmmac_do_void_callback(__priv, mac, set_eee_pls, __args)
 366 #define stmmac_mac_debug(__priv, __args...) \
 367         stmmac_do_void_callback(__priv, mac, debug, __args)
 368 #define stmmac_pcs_ctrl_ane(__priv, __args...) \
 369         stmmac_do_void_callback(__priv, mac, pcs_ctrl_ane, __args)
 370 #define stmmac_pcs_rane(__priv, __args...) \
 371         stmmac_do_void_callback(__priv, mac, pcs_rane, __args)
 372 #define stmmac_pcs_get_adv_lp(__priv, __args...) \
 373         stmmac_do_void_callback(__priv, mac, pcs_get_adv_lp, __args)
 374 #define stmmac_safety_feat_config(__priv, __args...) \
 375         stmmac_do_callback(__priv, mac, safety_feat_config, __args)
 376 #define stmmac_safety_feat_irq_status(__priv, __args...) \
 377         stmmac_do_callback(__priv, mac, safety_feat_irq_status, __args)
 378 #define stmmac_safety_feat_dump(__priv, __args...) \
 379         stmmac_do_callback(__priv, mac, safety_feat_dump, __args)
 380 #define stmmac_rxp_config(__priv, __args...) \
 381         stmmac_do_callback(__priv, mac, rxp_config, __args)
 382
 383 /* PTP and HW Timer helpers */
 384 struct stmmac_hwtimestamp {
 385         void (*config_hw_tstamping) (void __iomem *ioaddr, u32 data);
 386         void (*config_sub_second_increment)(void __iomem *ioaddr, u32 ptp_clock,
 387                                            int gmac4, u32 *ssinc);
 388         int (*init_systime) (void __iomem *ioaddr, u32 sec, u32 nsec);
 389         int (*config_addend) (void __iomem *ioaddr, u32 addend);
 390         int (*adjust_systime) (void __iomem *ioaddr, u32 sec, u32 nsec,
 391                                int add_sub, int gmac4);
 392         void (*get_systime) (void __iomem *ioaddr, u64 *systime);
 393 };
 394
 395 #define stmmac_config_hw_tstamping(__priv, __args...) \
 396         stmmac_do_void_callback(__priv, ptp, config_hw_tstamping, __args)
 397 #define stmmac_config_sub_second_increment(__priv, __args...) \
 398         stmmac_do_void_callback(__priv, ptp, config_sub_second_increment, __args)
 399 #define stmmac_init_systime(__priv, __args...) \
 400         stmmac_do_callback(__priv, ptp, init_systime, __args)
 401 #define stmmac_config_addend(__priv, __args...) \
 402         stmmac_do_callback(__priv, ptp, config_addend, __args)
 403 #define stmmac_adjust_systime(__priv, __args...) \
 404         stmmac_do_callback(__priv, ptp, adjust_systime, __args)
 405 #define stmmac_get_systime(__priv, __args...) \
 406         stmmac_do_void_callback(__priv, ptp, get_systime, __args)
 407
 408 /* Helpers to manage the descriptors for chain and ring modes */
 409 struct stmmac_mode_ops {
 410         void (*init) (void *des, dma_addr_t phy_addr, unsigned int size,
 411                       unsigned int extend_desc);
 412         unsigned int (*is_jumbo_frm) (int len, int ehn_desc);
 413         int (*jumbo_frm)(void *priv, struct sk_buff *skb, int csum);
 414         int (*set_16kib_bfsize)(int mtu);
 415         void (*init_desc3)(struct dma_desc *p);
 416         void (*refill_desc3) (void *priv, struct dma_desc *p);
 417         void (*clean_desc3) (void *priv, struct dma_desc *p);
 418 };
 419
 420 #define stmmac_mode_init(__priv, __args...) \
 421         stmmac_do_void_callback(__priv, mode, init, __args)
 422 #define stmmac_is_jumbo_frm(__priv, __args...) \
 423         stmmac_do_callback(__priv, mode, is_jumbo_frm, __args)
 424 #define stmmac_jumbo_frm(__priv, __args...) \
 425         stmmac_do_callback(__priv, mode, jumbo_frm, __args)
 426 #define stmmac_set_16kib_bfsize(__priv, __args...) \
 427         stmmac_do_callback(__priv, mode, set_16kib_bfsize, __args)
 428 #define stmmac_init_desc3(__priv, __args...) \
 429         stmmac_do_void_callback(__priv, mode, init_desc3, __args)
 430 #define stmmac_refill_desc3(__priv, __args...) \
 431         stmmac_do_void_callback(__priv, mode, refill_desc3, __args)
 432 #define stmmac_clean_desc3(__priv, __args...) \
 433         stmmac_do_void_callback(__priv, mode, clean_desc3, __args)
 434
 435 struct stmmac_priv;
 436 struct tc_cls_u32_offload;
 437
 438 struct stmmac_tc_ops {
 439         int (*init)(struct stmmac_priv *priv);
 440         int (*setup_cls_u32)(struct stmmac_priv *priv,
 441                              struct tc_cls_u32_offload *cls);
 442 };
 443
 444 #define stmmac_tc_init(__priv, __args...) \
 445         stmmac_do_callback(__priv, tc, init, __args)
 446 #define stmmac_tc_setup_cls_u32(__priv, __args...) \
 447         stmmac_do_callback(__priv, tc, setup_cls_u32, __args)
 448
 449 struct stmmac_regs_off {
 450         u32 ptp_off;
 451         u32 mmc_off;
 452 };
 453
 454 extern const struct stmmac_ops dwmac100_ops;
 455 extern const struct stmmac_dma_ops dwmac100_dma_ops;
 456 extern const struct stmmac_ops dwmac1000_ops;
 457 extern const struct stmmac_dma_ops dwmac1000_dma_ops;
 458 extern const struct stmmac_ops dwmac4_ops;
 459 extern const struct stmmac_dma_ops dwmac4_dma_ops;
 460 extern const struct stmmac_ops dwmac410_ops;
 461 extern const struct stmmac_dma_ops dwmac410_dma_ops;
 462 extern const struct stmmac_ops dwmac510_ops;
 463 extern const struct stmmac_tc_ops dwmac510_tc_ops;
 464
 465 #define GMAC_VERSION            0x00000020      /* GMAC CORE Version */
 466 #define GMAC4_VERSION           0x00000110      /* GMAC4+ CORE Version */
 467
 468 int stmmac_hwif_init(struct stmmac_priv *priv);
 469
 470 #endif /* __STMMAC_HWIF_H__ */