21 static int lan937x_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)  in lan937x_cfg()  argument
23 	return regmap_update_bits(ksz_regmap_8(dev), addr, bits, set ? bits : 0);  in lan937x_cfg()
26 static int lan937x_port_cfg(struct ksz_device *dev, int port, int offset,  in lan937x_port_cfg()  argument
29 	return regmap_update_bits(ksz_regmap_8(dev), PORT_CTRL_ADDR(port, offset),  in lan937x_port_cfg()
33 static int lan937x_enable_spi_indirect_access(struct ksz_device *dev)  in lan937x_enable_spi_indirect_access()  argument
39 	ret = lan937x_cfg(dev, REG_GLOBAL_CTRL_0, SW_PHY_REG_BLOCK, false);  in lan937x_enable_spi_indirect_access()
43 	ret = ksz_read16(dev, REG_VPHY_SPECIAL_CTRL__2, &data16);  in lan937x_enable_spi_indirect_access()
50 	return ksz_write16(dev, REG_VPHY_SPECIAL_CTRL__2, data16);  in lan937x_enable_spi_indirect_access()
53 static int lan937x_vphy_ind_addr_wr(struct ksz_device *dev, int addr, int reg)  in lan937x_vphy_ind_addr_wr()  argument
61 	return ksz_write16(dev, REG_VPHY_IND_ADDR__2, temp);  in lan937x_vphy_ind_addr_wr()
64 static int lan937x_internal_phy_write(struct ksz_device *dev, int addr, int reg,  in lan937x_internal_phy_write()  argument
71 	if (!dev->info->internal_phy[addr])  in lan937x_internal_phy_write()
74 	ret = lan937x_vphy_ind_addr_wr(dev, addr, reg);  in lan937x_internal_phy_write()
79 	ret = ksz_write16(dev, REG_VPHY_IND_DATA__2, val);  in lan937x_internal_phy_write()
84 	ret = ksz_write16(dev, REG_VPHY_IND_CTRL__2,  in lan937x_internal_phy_write()
89 	ret = regmap_read_poll_timeout(ksz_regmap_16(dev), REG_VPHY_IND_CTRL__2,  in lan937x_internal_phy_write()
93 		dev_err(dev->dev, "Failed to write phy register\n");  in lan937x_internal_phy_write()
100 static int lan937x_internal_phy_read(struct ksz_device *dev, int addr, int reg,  in lan937x_internal_phy_read()  argument
107 	if (!dev->info->internal_phy[addr])  in lan937x_internal_phy_read()
110 	ret = lan937x_vphy_ind_addr_wr(dev, addr, reg);  in lan937x_internal_phy_read()
115 	ret = ksz_write16(dev, REG_VPHY_IND_CTRL__2, VPHY_IND_BUSY);  in lan937x_internal_phy_read()
119 	ret = regmap_read_poll_timeout(ksz_regmap_16(dev), REG_VPHY_IND_CTRL__2,  in lan937x_internal_phy_read()
123 		dev_err(dev->dev, "Failed to read phy register\n");  in lan937x_internal_phy_read()
128 	return ksz_read16(dev, REG_VPHY_IND_DATA__2, val);  in lan937x_internal_phy_read()
131 int lan937x_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data)  in lan937x_r_phy()  argument
133 	return lan937x_internal_phy_read(dev, addr, reg, data);  in lan937x_r_phy()
136 int lan937x_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val)  in lan937x_w_phy()  argument
138 	return lan937x_internal_phy_write(dev, addr, reg, val);  in lan937x_w_phy()
141 int lan937x_reset_switch(struct ksz_device *dev)  in lan937x_reset_switch()  argument
147 	ret = lan937x_cfg(dev, REG_SW_OPERATION, SW_RESET, true);  in lan937x_reset_switch()
152 	ret = lan937x_cfg(dev, REG_SW_LUE_CTRL_1, SW_LINK_AUTO_AGING, true);  in lan937x_reset_switch()
157 	ret = ksz_write32(dev, REG_SW_INT_MASK__4, SWITCH_INT_MASK);  in lan937x_reset_switch()
161 	ret = ksz_write32(dev, REG_SW_INT_STATUS__4, POR_READY_INT);  in lan937x_reset_switch()
165 	ret = ksz_write32(dev, REG_SW_PORT_INT_MASK__4, 0xFF);  in lan937x_reset_switch()
169 	return ksz_read32(dev, REG_SW_PORT_INT_STATUS__4, &data32);  in lan937x_reset_switch()
172 void lan937x_port_setup(struct ksz_device *dev, int port, bool cpu_port)  in lan937x_port_setup()  argument
174 	const u32 *masks = dev->info->masks;  in lan937x_port_setup()
175 	const u16 *regs = dev->info->regs;  in lan937x_port_setup()
176 	struct dsa_switch *ds = dev->ds;  in lan937x_port_setup()
181 		lan937x_port_cfg(dev, port, REG_PORT_CTRL_0,  in lan937x_port_setup()
185 	ksz9477_port_queue_split(dev, port);  in lan937x_port_setup()
188 	lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_1, PORT_BACK_PRESSURE,  in lan937x_port_setup()
192 	lan937x_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true);  in lan937x_port_setup()
194 	if (!dev->info->internal_phy[port])  in lan937x_port_setup()
195 		lan937x_port_cfg(dev, port, regs[P_XMII_CTRL_0],  in lan937x_port_setup()
205 	dev->dev_ops->cfg_port_member(dev, port, member);  in lan937x_port_setup()
210 	struct ksz_device *dev = ds->priv;  in lan937x_config_cpu_port()  local
214 		if (dev->info->cpu_ports & (1 << dp->index)) {  in lan937x_config_cpu_port()
215 			dev->cpu_port = dp->index;  in lan937x_config_cpu_port()
218 			lan937x_port_setup(dev, dp->index, true);  in lan937x_config_cpu_port()
227 int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu)  in lan937x_change_mtu()  argument
229 	struct dsa_switch *ds = dev->ds;  in lan937x_change_mtu()
238 		ret = lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_0,  in lan937x_change_mtu()
241 		ret = lan937x_port_cfg(dev, port, REG_PORT_MAC_CTRL_0,  in lan937x_change_mtu()
244 		dev_err(ds->dev, "failed to enable jumbo\n");  in lan937x_change_mtu()
249 	ret = ksz_pwrite16(dev, port, PORT_MAX_FR_SIZE, new_mtu);  in lan937x_change_mtu()
251 		dev_err(ds->dev, "failed to update mtu for port %d\n", port);  in lan937x_change_mtu()
258 int lan937x_set_ageing_time(struct ksz_device *dev, unsigned int msecs)  in lan937x_set_ageing_time()  argument
266 	ret = ksz_write8(dev, REG_SW_AGE_PERIOD__1, value);  in lan937x_set_ageing_time()
272 	return ksz_write16(dev, REG_SW_AGE_PERIOD__2, value);  in lan937x_set_ageing_time()
275 static void lan937x_set_tune_adj(struct ksz_device *dev, int port,  in lan937x_set_tune_adj()  argument
280 	ksz_pread16(dev, port, reg, &data16);  in lan937x_set_tune_adj()
284 	ksz_pwrite16(dev, port, reg, data16);  in lan937x_set_tune_adj()
288 	ksz_pwrite16(dev, port, reg, data16);  in lan937x_set_tune_adj()
291 static void lan937x_set_rgmii_tx_delay(struct ksz_device *dev, int port)  in lan937x_set_rgmii_tx_delay()  argument
301 	lan937x_set_tune_adj(dev, port, REG_PORT_XMII_CTRL_5, val);  in lan937x_set_rgmii_tx_delay()
304 static void lan937x_set_rgmii_rx_delay(struct ksz_device *dev, int port)  in lan937x_set_rgmii_rx_delay()  argument
311 	lan937x_set_tune_adj(dev, port, REG_PORT_XMII_CTRL_4, val);  in lan937x_set_rgmii_rx_delay()
314 void lan937x_phylink_get_caps(struct ksz_device *dev, int port,  in lan937x_phylink_get_caps()  argument
319 	if (dev->info->supports_rgmii[port]) {  in lan937x_phylink_get_caps()
326 void lan937x_setup_rgmii_delay(struct ksz_device *dev, int port)  in lan937x_setup_rgmii_delay()  argument
328 	struct ksz_port *p = &dev->ports[port];  in lan937x_setup_rgmii_delay()
331 		lan937x_set_rgmii_tx_delay(dev, port);  in lan937x_setup_rgmii_delay()
332 		dev_info(dev->dev, "Applied rgmii tx delay for the port %d\n",  in lan937x_setup_rgmii_delay()
337 		lan937x_set_rgmii_rx_delay(dev, port);  in lan937x_setup_rgmii_delay()
338 		dev_info(dev->dev, "Applied rgmii rx delay for the port %d\n",  in lan937x_setup_rgmii_delay()
343 int lan937x_tc_cbs_set_cinc(struct ksz_device *dev, int port, u32 val)  in lan937x_tc_cbs_set_cinc()  argument
345 	return ksz_pwrite32(dev, port, REG_PORT_MTI_CREDIT_INCREMENT, val);  in lan937x_tc_cbs_set_cinc()
348 int lan937x_switch_init(struct ksz_device *dev)  in lan937x_switch_init()  argument
350 	dev->port_mask = (1 << dev->info->port_cnt) - 1;  in lan937x_switch_init()
357 	struct ksz_device *dev = ds->priv;  in lan937x_setup()  local
361 	ret = lan937x_enable_spi_indirect_access(dev);  in lan937x_setup()
363 		dev_err(dev->dev, "failed to enable spi indirect access");  in lan937x_setup()
373 	lan937x_cfg(dev, REG_SW_MAC_CTRL_0,  in lan937x_setup()
380 	lan937x_cfg(dev, REG_SW_MAC_CTRL_1, NO_EXC_COLLISION_DROP, true);  in lan937x_setup()
383 	lan937x_cfg(dev, REG_SW_MAC_CTRL_6, SW_MIB_COUNTER_FREEZE, true);  in lan937x_setup()
386 	lan937x_cfg(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1,  in lan937x_setup()
397 void lan937x_switch_exit(struct ksz_device *dev)  in lan937x_switch_exit()  argument
399 	lan937x_reset_switch(dev);  in lan937x_switch_exit()