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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.h83
1 files changed, 61 insertions, 22 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 8abecaf6089e..a4de58847dea 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -22,6 +22,13 @@
struct ksz_device;
struct ksz_port;
+enum ksz_regmap_width {
+ KSZ_REGMAP_8,
+ KSZ_REGMAP_16,
+ KSZ_REGMAP_32,
+ __KSZ_NUM_REGMAPS,
+};
+
struct vlan_table {
u32 table[3];
};
@@ -53,7 +60,6 @@ struct ksz_chip_data {
bool tc_cbs_supported;
bool tc_ets_supported;
const struct ksz_dev_ops *ops;
- bool phy_errata_9477;
bool ksz87xx_eee_link_erratum;
const struct ksz_mib_names *mib_names;
int mib_cnt;
@@ -101,7 +107,6 @@ struct ksz_port {
int stp_state;
struct phy_device phydev;
- u32 on:1; /* port is not disabled by hardware */
u32 fiber:1; /* port is fiber */
u32 force:1;
u32 read:1; /* read MIB counters in background */
@@ -137,7 +142,7 @@ struct ksz_device {
const struct ksz_dev_ops *dev_ops;
struct device *dev;
- struct regmap *regmap[3];
+ struct regmap *regmap[__KSZ_NUM_REGMAPS];
void *priv;
int irq;
@@ -377,11 +382,25 @@ phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit);
extern const struct ksz_chip_data ksz_switch_chips[];
/* Common register access functions */
+static inline struct regmap *ksz_regmap_8(struct ksz_device *dev)
+{
+ return dev->regmap[KSZ_REGMAP_8];
+}
+
+static inline struct regmap *ksz_regmap_16(struct ksz_device *dev)
+{
+ return dev->regmap[KSZ_REGMAP_16];
+}
+
+static inline struct regmap *ksz_regmap_32(struct ksz_device *dev)
+{
+ return dev->regmap[KSZ_REGMAP_32];
+}
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);
+ int ret = regmap_read(ksz_regmap_8(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
@@ -394,7 +413,7 @@ static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
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);
+ int ret = regmap_read(ksz_regmap_16(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
@@ -407,7 +426,7 @@ static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
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);
+ int ret = regmap_read(ksz_regmap_32(dev), reg, &value);
if (ret)
dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
@@ -422,7 +441,7 @@ static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
u32 value[2];
int ret;
- ret = regmap_bulk_read(dev->regmap[2], reg, value, 2);
+ ret = regmap_bulk_read(ksz_regmap_32(dev), reg, value, 2);
if (ret)
dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -436,7 +455,7 @@ static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
{
int ret;
- ret = regmap_write(dev->regmap[0], reg, value);
+ ret = regmap_write(ksz_regmap_8(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -448,7 +467,7 @@ static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
{
int ret;
- ret = regmap_write(dev->regmap[1], reg, value);
+ ret = regmap_write(ksz_regmap_16(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -460,7 +479,7 @@ static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
{
int ret;
- ret = regmap_write(dev->regmap[2], reg, value);
+ ret = regmap_write(ksz_regmap_32(dev), reg, value);
if (ret)
dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
ERR_PTR(ret));
@@ -473,7 +492,7 @@ static inline int ksz_rmw16(struct ksz_device *dev, u32 reg, u16 mask,
{
int ret;
- ret = regmap_update_bits(dev->regmap[1], reg, mask, value);
+ ret = regmap_update_bits(ksz_regmap_16(dev), reg, mask, value);
if (ret)
dev_err(dev->dev, "can't rmw 16bit reg 0x%x: %pe\n", reg,
ERR_PTR(ret));
@@ -486,7 +505,7 @@ static inline int ksz_rmw32(struct ksz_device *dev, u32 reg, u32 mask,
{
int ret;
- ret = regmap_update_bits(dev->regmap[2], reg, mask, value);
+ ret = regmap_update_bits(ksz_regmap_32(dev), reg, mask, value);
if (ret)
dev_err(dev->dev, "can't rmw 32bit reg 0x%x: %pe\n", reg,
ERR_PTR(ret));
@@ -503,12 +522,19 @@ static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
val[0] = swab32(value & 0xffffffffULL);
val[1] = swab32(value >> 32ULL);
- return regmap_bulk_write(dev->regmap[2], reg, val, 2);
+ return regmap_bulk_write(ksz_regmap_32(dev), reg, val, 2);
}
static inline int ksz_rmw8(struct ksz_device *dev, int offset, u8 mask, u8 val)
{
- return regmap_update_bits(dev->regmap[0], offset, mask, val);
+ int ret;
+
+ ret = regmap_update_bits(ksz_regmap_8(dev), offset, mask, val);
+ if (ret)
+ dev_err(dev->dev, "can't rmw 8bit reg 0x%x: %pe\n", offset,
+ ERR_PTR(ret));
+
+ return ret;
}
static inline int ksz_pread8(struct ksz_device *dev, int port, int offset,
@@ -549,12 +575,18 @@ static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset,
data);
}
-static inline void ksz_prmw8(struct ksz_device *dev, int port, int offset,
- u8 mask, u8 val)
+static inline int ksz_prmw8(struct ksz_device *dev, int port, int offset,
+ u8 mask, u8 val)
{
- regmap_update_bits(dev->regmap[0],
- dev->dev_ops->get_port_addr(port, offset),
- mask, val);
+ return ksz_rmw8(dev, dev->dev_ops->get_port_addr(port, offset),
+ mask, val);
+}
+
+static inline int ksz_prmw32(struct ksz_device *dev, int port, int offset,
+ u32 mask, u32 val)
+{
+ return ksz_rmw32(dev, dev->dev_ops->get_port_addr(port, offset),
+ mask, val);
}
static inline void ksz_regmap_lock(void *__mtx)
@@ -569,6 +601,13 @@ static inline void ksz_regmap_unlock(void *__mtx)
mutex_unlock(mtx);
}
+static inline bool ksz_is_ksz87xx(struct ksz_device *dev)
+{
+ return dev->chip_id == KSZ8795_CHIP_ID ||
+ dev->chip_id == KSZ8794_CHIP_ID ||
+ dev->chip_id == KSZ8765_CHIP_ID;
+}
+
static inline bool ksz_is_ksz88x3(struct ksz_device *dev)
{
return dev->chip_id == KSZ8830_CHIP_ID;
@@ -709,9 +748,9 @@ static inline int is_lan937x(struct ksz_device *dev)
#define KSZ_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \
static const struct regmap_config ksz##_regmap_config[] = { \
- KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
- KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
- KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_8] = KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_16] = KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
+ [KSZ_REGMAP_32] = KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
}
#endif
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