// SPDX-License-Identifier: GPL-2.0 /* * sni_ave.c - Socionext UniPhier AVE ethernet driver * Copyright 2014 Panasonic Corporation * Copyright 2015-2017 Socionext Inc. */ #include <linux/bitops.h> #include <linux/clk.h> #include <linux/etherdevice.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/mfd/syscon.h> #include <linux/mii.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/of.h> #include <linux/of_net.h> #include <linux/of_mdio.h> #include <linux/phy.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/reset.h> #include <linux/types.h> #include <linux/u64_stats_sync.h> /* General Register Group */ #define AVE_IDR … #define AVE_VR … #define AVE_GRR … #define AVE_CFGR … /* Interrupt Register Group */ #define AVE_GIMR … #define AVE_GISR … /* MAC Register Group */ #define AVE_TXCR … #define AVE_RXCR … #define AVE_RXMAC1R … #define AVE_RXMAC2R … #define AVE_MDIOCTR … #define AVE_MDIOAR … #define AVE_MDIOWDR … #define AVE_MDIOSR … #define AVE_MDIORDR … /* Descriptor Control Register Group */ #define AVE_DESCC … #define AVE_TXDC … #define AVE_RXDC0 … #define AVE_IIRQC … /* Packet Filter Register Group */ #define AVE_PKTF_BASE … #define AVE_PFMBYTE_BASE … #define AVE_PFMBIT_BASE … #define AVE_PFSEL_BASE … #define AVE_PFEN … #define AVE_PKTF(ent) … #define AVE_PFMBYTE(ent) … #define AVE_PFMBIT(ent) … #define AVE_PFSEL(ent) … /* 64bit descriptor memory */ #define AVE_DESC_SIZE_64 … #define AVE_TXDM_64 … #define AVE_RXDM_64 … #define AVE_TXDM_SIZE_64 … #define AVE_RXDM_SIZE_64 … /* 32bit descriptor memory */ #define AVE_DESC_SIZE_32 … #define AVE_TXDM_32 … #define AVE_RXDM_32 … #define AVE_TXDM_SIZE_32 … #define AVE_RXDM_SIZE_32 … /* RMII Bridge Register Group */ #define AVE_RSTCTRL … #define AVE_RSTCTRL_RMIIRST … #define AVE_LINKSEL … #define AVE_LINKSEL_100M … /* AVE_GRR */ #define AVE_GRR_RXFFR … #define AVE_GRR_PHYRST … #define AVE_GRR_GRST … /* AVE_CFGR */ #define AVE_CFGR_FLE … #define AVE_CFGR_CHE … #define AVE_CFGR_MII … #define AVE_CFGR_IPFCEN … /* AVE_GISR (common with GIMR) */ #define AVE_GI_PHY … #define AVE_GI_TX … #define AVE_GI_RXERR … #define AVE_GI_RXOVF … #define AVE_GI_RXDROP … #define AVE_GI_RXIINT … /* AVE_TXCR */ #define AVE_TXCR_FLOCTR … #define AVE_TXCR_TXSPD_1G … #define AVE_TXCR_TXSPD_100 … /* AVE_RXCR */ #define AVE_RXCR_RXEN … #define AVE_RXCR_FDUPEN … #define AVE_RXCR_FLOCTR … #define AVE_RXCR_AFEN … #define AVE_RXCR_DRPEN … #define AVE_RXCR_MPSIZ_MASK … /* AVE_MDIOCTR */ #define AVE_MDIOCTR_RREQ … #define AVE_MDIOCTR_WREQ … /* AVE_MDIOSR */ #define AVE_MDIOSR_STS … /* AVE_DESCC */ #define AVE_DESCC_STATUS_MASK … #define AVE_DESCC_RD0 … #define AVE_DESCC_RDSTP … #define AVE_DESCC_TD … /* AVE_TXDC */ #define AVE_TXDC_SIZE … #define AVE_TXDC_ADDR … #define AVE_TXDC_ADDR_START … /* AVE_RXDC0 */ #define AVE_RXDC0_SIZE … #define AVE_RXDC0_ADDR … #define AVE_RXDC0_ADDR_START … /* AVE_IIRQC */ #define AVE_IIRQC_EN0 … #define AVE_IIRQC_BSCK … /* Command status for descriptor */ #define AVE_STS_OWN … #define AVE_STS_INTR … #define AVE_STS_OK … /* TX */ #define AVE_STS_NOCSUM … #define AVE_STS_1ST … #define AVE_STS_LAST … #define AVE_STS_OWC … #define AVE_STS_EC … #define AVE_STS_PKTLEN_TX_MASK … /* RX */ #define AVE_STS_CSSV … #define AVE_STS_CSER … #define AVE_STS_PKTLEN_RX_MASK … /* Packet filter */ #define AVE_PFMBYTE_MASK0 … #define AVE_PFMBYTE_MASK1 … #define AVE_PFMBIT_MASK … #define AVE_PF_SIZE … #define AVE_PF_MULTICAST_SIZE … #define AVE_PFNUM_FILTER … #define AVE_PFNUM_UNICAST … #define AVE_PFNUM_BROADCAST … #define AVE_PFNUM_MULTICAST … /* NETIF Message control */ #define AVE_DEFAULT_MSG_ENABLE … /* Parameter for descriptor */ #define AVE_NR_TXDESC … #define AVE_NR_RXDESC … #define AVE_DESC_OFS_CMDSTS … #define AVE_DESC_OFS_ADDRL … #define AVE_DESC_OFS_ADDRU … /* Parameter for ethernet frame */ #define AVE_MAX_ETHFRAME … #define AVE_FRAME_HEADROOM … /* Parameter for interrupt */ #define AVE_INTM_COUNT … #define AVE_FORCE_TXINTCNT … /* SG */ #define SG_ETPINMODE … #define SG_ETPINMODE_EXTPHY … #define SG_ETPINMODE_RMII(ins) … #define IS_DESC_64BIT(p) … #define AVE_MAX_CLKS … #define AVE_MAX_RSTS … enum desc_id { … }; enum desc_state { … }; struct ave_desc { … }; struct ave_desc_info { … }; struct ave_stats { … }; struct ave_private { … }; struct ave_soc_data { … }; static u32 ave_desc_read(struct net_device *ndev, enum desc_id id, int entry, int offset) { … } static u32 ave_desc_read_cmdsts(struct net_device *ndev, enum desc_id id, int entry) { … } static void ave_desc_write(struct net_device *ndev, enum desc_id id, int entry, int offset, u32 val) { … } static void ave_desc_write_cmdsts(struct net_device *ndev, enum desc_id id, int entry, u32 val) { … } static void ave_desc_write_addr(struct net_device *ndev, enum desc_id id, int entry, dma_addr_t paddr) { … } static u32 ave_irq_disable_all(struct net_device *ndev) { … } static void ave_irq_restore(struct net_device *ndev, u32 val) { … } static void ave_irq_enable(struct net_device *ndev, u32 bitflag) { … } static void ave_hw_write_macaddr(struct net_device *ndev, const unsigned char *mac_addr, int reg1, int reg2) { … } static void ave_hw_read_version(struct net_device *ndev, char *buf, int len) { … } static void ave_ethtool_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) { … } static u32 ave_ethtool_get_msglevel(struct net_device *ndev) { … } static void ave_ethtool_set_msglevel(struct net_device *ndev, u32 val) { … } static void ave_ethtool_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { … } static int __ave_ethtool_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { … } static int ave_ethtool_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { … } static void ave_ethtool_get_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { … } static int ave_ethtool_set_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { … } static const struct ethtool_ops ave_ethtool_ops = …; static int ave_mdiobus_read(struct mii_bus *bus, int phyid, int regnum) { … } static int ave_mdiobus_write(struct mii_bus *bus, int phyid, int regnum, u16 val) { … } static int ave_dma_map(struct net_device *ndev, struct ave_desc *desc, void *ptr, size_t len, enum dma_data_direction dir, dma_addr_t *paddr) { … } static void ave_dma_unmap(struct net_device *ndev, struct ave_desc *desc, enum dma_data_direction dir) { … } /* Prepare Rx descriptor and memory */ static int ave_rxdesc_prepare(struct net_device *ndev, int entry) { … } /* Switch state of descriptor */ static int ave_desc_switch(struct net_device *ndev, enum desc_state state) { … } static int ave_tx_complete(struct net_device *ndev) { … } static int ave_rx_receive(struct net_device *ndev, int num) { … } static int ave_napi_poll_rx(struct napi_struct *napi, int budget) { … } static int ave_napi_poll_tx(struct napi_struct *napi, int budget) { … } static void ave_global_reset(struct net_device *ndev) { … } static void ave_rxfifo_reset(struct net_device *ndev) { … } static irqreturn_t ave_irq_handler(int irq, void *netdev) { … } static int ave_pfsel_start(struct net_device *ndev, unsigned int entry) { … } static int ave_pfsel_stop(struct net_device *ndev, unsigned int entry) { … } static int ave_pfsel_set_macaddr(struct net_device *ndev, unsigned int entry, const unsigned char *mac_addr, unsigned int set_size) { … } static void ave_pfsel_set_promisc(struct net_device *ndev, unsigned int entry, u32 rxring) { … } static void ave_pfsel_init(struct net_device *ndev) { … } static void ave_phy_adjust_link(struct net_device *ndev) { … } static void ave_macaddr_init(struct net_device *ndev) { … } static int ave_init(struct net_device *ndev) { … } static void ave_uninit(struct net_device *ndev) { … } static int ave_open(struct net_device *ndev) { … } static int ave_stop(struct net_device *ndev) { … } static netdev_tx_t ave_start_xmit(struct sk_buff *skb, struct net_device *ndev) { … } static int ave_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) { … } static const u8 v4multi_macadr[] = …; static const u8 v6multi_macadr[] = …; static void ave_set_rx_mode(struct net_device *ndev) { … } static void ave_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats) { … } static int ave_set_mac_address(struct net_device *ndev, void *p) { … } static const struct net_device_ops ave_netdev_ops = …; static int ave_probe(struct platform_device *pdev) { … } static void ave_remove(struct platform_device *pdev) { … } #ifdef CONFIG_PM_SLEEP static int ave_suspend(struct device *dev) { … } static int ave_resume(struct device *dev) { … } static SIMPLE_DEV_PM_OPS(ave_pm_ops, ave_suspend, ave_resume); #define AVE_PM_OPS … #else #define AVE_PM_OPS … #endif static int ave_pro4_get_pinmode(struct ave_private *priv, phy_interface_t phy_mode, u32 arg) { … } static int ave_ld11_get_pinmode(struct ave_private *priv, phy_interface_t phy_mode, u32 arg) { … } static int ave_ld20_get_pinmode(struct ave_private *priv, phy_interface_t phy_mode, u32 arg) { … } static int ave_pxs3_get_pinmode(struct ave_private *priv, phy_interface_t phy_mode, u32 arg) { … } static const struct ave_soc_data ave_pro4_data = …; static const struct ave_soc_data ave_pxs2_data = …; static const struct ave_soc_data ave_ld11_data = …; static const struct ave_soc_data ave_ld20_data = …; static const struct ave_soc_data ave_pxs3_data = …; static const struct ave_soc_data ave_nx1_data = …; static const struct of_device_id of_ave_match[] = …; MODULE_DEVICE_TABLE(of, of_ave_match); static struct platform_driver ave_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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