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path: root/drivers/net/dsa/microchip/ksz_common.h
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.h')
-rw-r--r--drivers/net/dsa/microchip/ksz_common.h137
1 files changed, 106 insertions, 31 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 764ada3a0f42..9cfa179575ce 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -13,9 +13,12 @@
#include <linux/phy.h>
#include <linux/regmap.h>
#include <net/dsa.h>
+#include <linux/irq.h>
#define KSZ_MAX_NUM_PORTS 8
+struct ksz_device;
+
struct vlan_table {
u32 table[3];
};
@@ -42,6 +45,7 @@ struct ksz_chip_data {
int num_statics;
int cpu_ports;
int port_cnt;
+ u8 port_nirqs;
const struct ksz_dev_ops *ops;
bool phy_errata_9477;
bool ksz87xx_eee_link_erratum;
@@ -61,17 +65,30 @@ struct ksz_chip_data {
bool supports_rmii[KSZ_MAX_NUM_PORTS];
bool supports_rgmii[KSZ_MAX_NUM_PORTS];
bool internal_phy[KSZ_MAX_NUM_PORTS];
+ bool gbit_capable[KSZ_MAX_NUM_PORTS];
+ const struct regmap_access_table *wr_table;
+ const struct regmap_access_table *rd_table;
+};
+
+struct ksz_irq {
+ u16 masked;
+ u16 reg_mask;
+ u16 reg_status;
+ struct irq_domain *domain;
+ int nirqs;
+ int irq_num;
+ char name[16];
+ struct ksz_device *dev;
};
struct ksz_port {
bool remove_tag; /* Remove Tag flag set, for ksz8795 only */
+ bool learning;
int stp_state;
struct phy_device phydev;
u32 on:1; /* port is not disabled by hardware */
- u32 phy:1; /* port has a PHY */
u32 fiber:1; /* port is fiber */
- u32 sgmii:1; /* port is SGMII */
u32 force:1;
u32 read:1; /* read MIB counters in background */
u32 freeze:1; /* MIB counter freeze is enabled */
@@ -81,6 +98,9 @@ struct ksz_port {
u16 max_frame;
u32 rgmii_tx_val;
u32 rgmii_rx_val;
+ struct ksz_device *ksz_dev;
+ struct ksz_irq pirq;
+ u8 num;
};
struct ksz_device {
@@ -98,6 +118,7 @@ struct ksz_device {
struct regmap *regmap[3];
void *priv;
+ int irq;
struct gpio_desc *reset_gpio; /* Optional reset GPIO */
@@ -117,17 +138,20 @@ struct ksz_device {
unsigned long mib_read_interval;
u16 mirror_rx;
u16 mirror_tx;
- u32 features; /* chip specific features */
u16 port_mask;
+ struct mutex lock_irq; /* IRQ Access */
+ struct ksz_irq girq;
};
/* List of supported models */
enum ksz_model {
+ KSZ8563,
KSZ8795,
KSZ8794,
KSZ8765,
KSZ8830,
KSZ9477,
+ KSZ9896,
KSZ9897,
KSZ9893,
KSZ9567,
@@ -139,11 +163,13 @@ enum ksz_model {
};
enum ksz_chip_id {
+ KSZ8563_CHIP_ID = 0x8563,
KSZ8795_CHIP_ID = 0x8795,
KSZ8794_CHIP_ID = 0x8794,
KSZ8765_CHIP_ID = 0x8765,
KSZ8830_CHIP_ID = 0x8830,
KSZ9477_CHIP_ID = 0x00947700,
+ KSZ9896_CHIP_ID = 0x00989600,
KSZ9897_CHIP_ID = 0x00989700,
KSZ9893_CHIP_ID = 0x00989300,
KSZ9567_CHIP_ID = 0x00956700,
@@ -253,13 +279,15 @@ struct alu_struct {
struct ksz_dev_ops {
int (*setup)(struct dsa_switch *ds);
+ void (*teardown)(struct dsa_switch *ds);
u32 (*get_port_addr)(int port, int offset);
void (*cfg_port_member)(struct ksz_device *dev, int port, u8 member);
void (*flush_dyn_mac_table)(struct ksz_device *dev, int port);
void (*port_cleanup)(struct ksz_device *dev, int port);
void (*port_setup)(struct ksz_device *dev, int port, bool cpu_port);
- void (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
- void (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
+ int (*set_ageing_time)(struct ksz_device *dev, unsigned int msecs);
+ int (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
+ int (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
void (*r_mib_cnt)(struct ksz_device *dev, int port, u16 addr,
u64 *cnt);
void (*r_mib_pkt)(struct ksz_device *dev, int port, u16 addr,
@@ -329,6 +357,10 @@ static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
unsigned int value;
int ret = regmap_read(dev->regmap[0], reg, &value);
+ if (ret)
+ dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
*val = value;
return ret;
}
@@ -338,6 +370,10 @@ static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
unsigned int value;
int ret = regmap_read(dev->regmap[1], reg, &value);
+ if (ret)
+ dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
*val = value;
return ret;
}
@@ -347,6 +383,10 @@ static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val)
unsigned int value;
int ret = regmap_read(dev->regmap[2], reg, &value);
+ if (ret)
+ dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
*val = value;
return ret;
}
@@ -357,7 +397,10 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
int ret;
ret = regmap_bulk_read(dev->regmap[2], reg, value, 2);
- if (!ret)
+ if (ret)
+ dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+ else
*val = (u64)value[0] << 32 | value[1];
return ret;
@@ -365,17 +408,38 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
{
- return regmap_write(dev->regmap[0], reg, value);
+ int ret;
+
+ ret = regmap_write(dev->regmap[0], reg, value);
+ if (ret)
+ dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
+ return ret;
}
static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
{
- return regmap_write(dev->regmap[1], reg, value);
+ int ret;
+
+ ret = regmap_write(dev->regmap[1], reg, value);
+ if (ret)
+ dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
+ return ret;
}
static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
{
- return regmap_write(dev->regmap[2], reg, value);
+ int ret;
+
+ ret = regmap_write(dev->regmap[2], reg, value);
+ if (ret)
+ dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
+ ERR_PTR(ret));
+
+ return ret;
}
static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
@@ -390,40 +454,42 @@ static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
return regmap_bulk_write(dev->regmap[2], reg, val, 2);
}
-static inline void ksz_pread8(struct ksz_device *dev, int port, int offset,
- u8 *data)
+static inline int ksz_pread8(struct ksz_device *dev, int port, int offset,
+ u8 *data)
{
- ksz_read8(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_read8(dev, dev->dev_ops->get_port_addr(port, offset), data);
}
-static inline void ksz_pread16(struct ksz_device *dev, int port, int offset,
- u16 *data)
+static inline int ksz_pread16(struct ksz_device *dev, int port, int offset,
+ u16 *data)
{
- ksz_read16(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_read16(dev, dev->dev_ops->get_port_addr(port, offset), data);
}
-static inline void ksz_pread32(struct ksz_device *dev, int port, int offset,
- u32 *data)
+static inline int ksz_pread32(struct ksz_device *dev, int port, int offset,
+ u32 *data)
{
- ksz_read32(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_read32(dev, dev->dev_ops->get_port_addr(port, offset), data);
}
-static inline void ksz_pwrite8(struct ksz_device *dev, int port, int offset,
- u8 data)
+static inline int ksz_pwrite8(struct ksz_device *dev, int port, int offset,
+ u8 data)
{
- ksz_write8(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_write8(dev, dev->dev_ops->get_port_addr(port, offset), data);
}
-static inline void ksz_pwrite16(struct ksz_device *dev, int port, int offset,
- u16 data)
+static inline int ksz_pwrite16(struct ksz_device *dev, int port, int offset,
+ u16 data)
{
- ksz_write16(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_write16(dev, dev->dev_ops->get_port_addr(port, offset),
+ data);
}
-static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset,
- u32 data)
+static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset,
+ u32 data)
{
- ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset), data);
+ return ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset),
+ data);
}
static inline void ksz_prmw8(struct ksz_device *dev, int port, int offset,
@@ -482,6 +548,10 @@ static inline int is_lan937x(struct ksz_device *dev)
#define SW_REV_ID_M GENMASK(7, 4)
+/* KSZ9893, KSZ9563, KSZ8563 specific register */
+#define REG_CHIP_ID4 0x0f
+#define SKU_ID_KSZ8563 0x3c
+
/* Driver set switch broadcast storm protection at 10% rate. */
#define BROADCAST_STORM_PROT_RATE 10
@@ -496,10 +566,6 @@ static inline int is_lan937x(struct ksz_device *dev)
#define SW_START 0x01
-/* Used with variable features to indicate capabilities. */
-#define GBIT_SUPPORT BIT(0)
-#define IS_9893 BIT(2)
-
/* xMII configuration */
#define P_MII_DUPLEX_M BIT(6)
#define P_MII_100MBIT_M BIT(4)
@@ -510,6 +576,15 @@ static inline int is_lan937x(struct ksz_device *dev)
#define P_MII_MAC_MODE BIT(2)
#define P_MII_SEL_M 0x3
+/* Interrupt */
+#define REG_SW_PORT_INT_STATUS__1 0x001B
+#define REG_SW_PORT_INT_MASK__1 0x001F
+
+#define REG_PORT_INT_STATUS 0x001B
+#define REG_PORT_INT_MASK 0x001F
+
+#define PORT_SRC_PHY_INT 1
+
/* Regmap tables generation */
#define KSZ_SPI_OP_RD 3
#define KSZ_SPI_OP_WR 2
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