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Date:   Thu, 14 Jun 2018 14:11:27 +0300
From:   Ilias Apalodimas <ilias.apalodimas@...aro.org>
To:     netdev@...r.kernel.org, grygorii.strashko@...com,
        ivan.khoronzhuk@...aro.org, nsekhar@...com, jiri@...nulli.us,
        ivecera@...hat.com, andrew@...n.ch, f.fainelli@...il.com
Cc:     francois.ozog@...aro.org, yogeshs@...com, spatton@...com,
        Jose.Abreu@...opsys.com,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>
Subject: [RFC v2, net-next, PATCH 1/4] net/cpsw: move common headers definitions to cpsw_priv.h

A following patch introduces switchdev functionality. Move common
definitions to a private header file

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@...aro.org>
---
 drivers/net/ethernet/ti/cpsw.c      | 111 +---------------------------
 drivers/net/ethernet/ti/cpsw_priv.h | 141 ++++++++++++++++++++++++++++++++++++
 2 files changed, 142 insertions(+), 110 deletions(-)
 create mode 100644 drivers/net/ethernet/ti/cpsw_priv.h

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 534596c..d13b57f 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -42,6 +42,7 @@
 
 #include "cpsw.h"
 #include "cpsw_ale.h"
+#include "cpsw_priv.h"
 #include "cpts.h"
 #include "davinci_cpdma.h"
 
@@ -89,7 +90,6 @@ do {								\
 #define CPSW_VERSION_3		0x19010f
 #define CPSW_VERSION_4		0x190112
 
-#define HOST_PORT_NUM		0
 #define CPSW_ALE_PORTS_NUM	3
 #define SLIVER_SIZE		0x40
 
@@ -310,16 +310,6 @@ struct cpsw_ss_regs {
 #define CPSW_MAX_BLKS_TX_SHIFT		4
 #define CPSW_MAX_BLKS_RX		5
 
-struct cpsw_host_regs {
-	u32	max_blks;
-	u32	blk_cnt;
-	u32	tx_in_ctl;
-	u32	port_vlan;
-	u32	tx_pri_map;
-	u32	cpdma_tx_pri_map;
-	u32	cpdma_rx_chan_map;
-};
-
 struct cpsw_sliver_regs {
 	u32	id_ver;
 	u32	mac_control;
@@ -371,105 +361,6 @@ struct cpsw_hw_stats {
 	u32	rxdmaoverruns;
 };
 
-struct cpsw_slave_data {
-	struct device_node *phy_node;
-	char		phy_id[MII_BUS_ID_SIZE];
-	int		phy_if;
-	u8		mac_addr[ETH_ALEN];
-	u16		dual_emac_res_vlan;	/* Reserved VLAN for DualEMAC */
-};
-
-struct cpsw_platform_data {
-	struct cpsw_slave_data	*slave_data;
-	u32	ss_reg_ofs;	/* Subsystem control register offset */
-	u32	channels;	/* number of cpdma channels (symmetric) */
-	u32	slaves;		/* number of slave cpgmac ports */
-	u32	active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
-	u32	ale_entries;	/* ale table size */
-	u32	bd_ram_size;  /*buffer descriptor ram size */
-	u32	mac_control;	/* Mac control register */
-	u16	default_vlan;	/* Def VLAN for ALE lookup in VLAN aware mode*/
-	bool	dual_emac;	/* Enable Dual EMAC mode */
-};
-
-struct cpsw_slave {
-	void __iomem			*regs;
-	struct cpsw_sliver_regs __iomem	*sliver;
-	int				slave_num;
-	u32				mac_control;
-	struct cpsw_slave_data		*data;
-	struct phy_device		*phy;
-	struct net_device		*ndev;
-	u32				port_vlan;
-};
-
-static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
-{
-	return readl_relaxed(slave->regs + offset);
-}
-
-static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
-{
-	writel_relaxed(val, slave->regs + offset);
-}
-
-struct cpsw_vector {
-	struct cpdma_chan *ch;
-	int budget;
-};
-
-struct cpsw_common {
-	struct device			*dev;
-	struct cpsw_platform_data	data;
-	struct napi_struct		napi_rx;
-	struct napi_struct		napi_tx;
-	struct cpsw_ss_regs __iomem	*regs;
-	struct cpsw_wr_regs __iomem	*wr_regs;
-	u8 __iomem			*hw_stats;
-	struct cpsw_host_regs __iomem	*host_port_regs;
-	u32				version;
-	u32				coal_intvl;
-	u32				bus_freq_mhz;
-	int				rx_packet_max;
-	struct cpsw_slave		*slaves;
-	struct cpdma_ctlr		*dma;
-	struct cpsw_vector		txv[CPSW_MAX_QUEUES];
-	struct cpsw_vector		rxv[CPSW_MAX_QUEUES];
-	struct cpsw_ale			*ale;
-	bool				quirk_irq;
-	bool				rx_irq_disabled;
-	bool				tx_irq_disabled;
-	u32 irqs_table[IRQ_NUM];
-	struct cpts			*cpts;
-	int				rx_ch_num, tx_ch_num;
-	int				speed;
-	int				usage_count;
-};
-
-struct cpsw_priv {
-	struct net_device		*ndev;
-	struct device			*dev;
-	u32				msg_enable;
-	u8				mac_addr[ETH_ALEN];
-	bool				rx_pause;
-	bool				tx_pause;
-	u32 emac_port;
-	struct cpsw_common *cpsw;
-};
-
-struct cpsw_stats {
-	char stat_string[ETH_GSTRING_LEN];
-	int type;
-	int sizeof_stat;
-	int stat_offset;
-};
-
-enum {
-	CPSW_STATS,
-	CPDMA_RX_STATS,
-	CPDMA_TX_STATS,
-};
-
 #define CPSW_STAT(m)		CPSW_STATS,				\
 				sizeof(((struct cpsw_hw_stats *)0)->m), \
 				offsetof(struct cpsw_hw_stats, m)
diff --git a/drivers/net/ethernet/ti/cpsw_priv.h b/drivers/net/ethernet/ti/cpsw_priv.h
new file mode 100644
index 0000000..3b02a83
--- /dev/null
+++ b/drivers/net/ethernet/ti/cpsw_priv.h
@@ -0,0 +1,141 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/netdevice.h>
+#include <linux/platform_device.h>
+
+#define HOST_PORT_NUM		0
+#define IRQ_NUM			2
+#define CPSW_MAX_QUEUES		8
+
+#define CPSW_VERSION_1		0x19010a
+#define CPSW_VERSION_2		0x19010c
+#define CPSW_VERSION_3		0x19010f
+#define CPSW_VERSION_4		0x190112
+
+/* CPSW_PORT_V1 */
+#define CPSW1_MAX_BLKS      0x00 /* Maximum FIFO Blocks */
+#define CPSW1_BLK_CNT       0x04 /* FIFO Block Usage Count (Read Only) */
+#define CPSW1_TX_IN_CTL     0x08 /* Transmit FIFO Control */
+#define CPSW1_PORT_VLAN     0x0c /* VLAN Register */
+#define CPSW1_TX_PRI_MAP    0x10 /* Tx Header Priority to Switch Pri Mapping */
+#define CPSW1_TS_CTL        0x14 /* Time Sync Control */
+#define CPSW1_TS_SEQ_LTYPE  0x18 /* Time Sync Sequence ID Offset and Msg Type */
+#define CPSW1_TS_VLAN       0x1c /* Time Sync VLAN1 and VLAN2 */
+
+/* CPSW_PORT_V2 */
+#define CPSW2_CONTROL       0x00 /* Control Register */
+#define CPSW2_MAX_BLKS      0x08 /* Maximum FIFO Blocks */
+#define CPSW2_BLK_CNT       0x0c /* FIFO Block Usage Count (Read Only) */
+#define CPSW2_TX_IN_CTL     0x10 /* Transmit FIFO Control */
+#define CPSW2_PORT_VLAN     0x14 /* VLAN Register */
+#define CPSW2_TX_PRI_MAP    0x18 /* Tx Header Priority to Switch Pri Mapping */
+#define CPSW2_TS_SEQ_MTYPE  0x1c /* Time Sync Sequence ID Offset and Msg Type */
+
+struct cpsw_slave_data {
+	struct	device_node *phy_node;
+	char	phy_id[MII_BUS_ID_SIZE];
+	int	phy_if;
+	u8	mac_addr[ETH_ALEN];
+	u16	dual_emac_res_vlan;	/* Reserved VLAN for DualEMAC */
+};
+
+struct cpsw_platform_data {
+	struct cpsw_slave_data	*slave_data;
+	u32	ss_reg_ofs;	/* Subsystem control register offset */
+	u32	channels;	/* number of cpdma channels (symmetric) */
+	u32	slaves;		/* number of slave cpgmac ports */
+	u32	active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
+	u32	ale_entries;	/* ale table size */
+	u32	bd_ram_size;  /*buffer descriptor ram size */
+	u32	mac_control;	/* Mac control register */
+	u16	default_vlan;	/* Def VLAN for ALE lookup in VLAN aware mode*/
+	bool	dual_emac;	/* Enable Dual EMAC mode */
+};
+
+struct cpsw_slave {
+	void __iomem			*regs;
+	struct cpsw_sliver_regs __iomem	*sliver;
+	int				slave_num;
+	u32				mac_control;
+	struct cpsw_slave_data		*data;
+	struct phy_device		*phy;
+	struct net_device		*ndev;
+	u32				port_vlan;
+};
+
+struct cpsw_vector {
+	struct cpdma_chan *ch;
+	int budget;
+};
+
+struct cpsw_common {
+	struct device			*dev;
+	struct cpsw_platform_data	data;
+	struct napi_struct		napi_rx;
+	struct napi_struct		napi_tx;
+	struct cpsw_ss_regs __iomem	*regs;
+	struct cpsw_wr_regs __iomem	*wr_regs;
+	u8 __iomem			*hw_stats;
+	struct cpsw_host_regs __iomem	*host_port_regs;
+	u32				version;
+	u32				coal_intvl;
+	u32				bus_freq_mhz;
+	int				rx_packet_max;
+	struct cpsw_slave		*slaves;
+	struct cpdma_ctlr		*dma;
+	struct cpsw_vector		txv[CPSW_MAX_QUEUES];
+	struct cpsw_vector		rxv[CPSW_MAX_QUEUES];
+	struct cpsw_ale			*ale;
+	bool				quirk_irq;
+	bool				rx_irq_disabled;
+	bool				tx_irq_disabled;
+	u32				irqs_table[IRQ_NUM];
+	struct cpts			*cpts;
+	int				rx_ch_num, tx_ch_num;
+	int				speed;
+	int				usage_count;
+};
+
+struct cpsw_priv {
+	struct net_device	*ndev;
+	struct device		*dev;
+	u32			msg_enable;
+	u8			mac_addr[ETH_ALEN];
+	bool			rx_pause;
+	bool			tx_pause;
+	u8			port_state[3];
+	u32			emac_port;
+	struct cpsw_common	*cpsw;
+};
+
+struct cpsw_stats {
+	char stat_string[ETH_GSTRING_LEN];
+	int type;
+	int sizeof_stat;
+	int stat_offset;
+};
+
+enum {
+	CPSW_STATS,
+	CPDMA_RX_STATS,
+	CPDMA_TX_STATS,
+};
+
+struct cpsw_host_regs {
+	u32	max_blks;
+	u32	blk_cnt;
+	u32	tx_in_ctl;
+	u32	port_vlan;
+	u32	tx_pri_map;
+	u32	cpdma_tx_pri_map;
+	u32	cpdma_rx_chan_map;
+};
+
+static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
+{
+	return readl_relaxed(slave->regs + offset);
+}
+
+static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
+{
+	writel_relaxed(val, slave->regs + offset);
+}
-- 
2.7.4

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