#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/rtl8366.h>
/* Port Enable Control register */
#define RTL8366S_PECR 0x0001
+/* Green Ethernet Feature (based on GPL_BELKIN_F5D8235-4_v1000 v1.01.24) */
+#define RTL8366S_GREEN_ETHERNET_CTRL_REG 0x000a
+#define RTL8366S_GREEN_ETHERNET_CTRL_MASK 0x0018
+#define RTL8366S_GREEN_ETHERNET_TX_BIT (1 << 3)
+#define RTL8366S_GREEN_ETHERNET_RX_BIT (1 << 4)
+
/* Switch Security Control registers */
#define RTL8366S_SSCR0 0x0002
#define RTL8366S_SSCR1 0x0003
#define RTL8366S_PHY_NO_OFFSET 9
#define RTL8366S_PHY_NO_MASK (0x1f << 9)
+/* Green Ethernet Feature for PHY ports */
+#define RTL8366S_PHY_POWER_SAVING_CTRL_REG 12
+#define RTL8366S_PHY_POWER_SAVING_MASK 0x1000
+
/* LED control registers */
#define RTL8366S_LED_BLINKRATE_REG 0x0420
#define RTL8366S_LED_BLINKRATE_BIT 0
#define RTL8366S_VLAN_FID_SHIFT 12
#define RTL8366S_VLAN_FID_MASK 0x7
+#define RTL8366S_MIB_RXB_ID 0 /* IfInOctets */
+#define RTL8366S_MIB_TXB_ID 20 /* IfOutOctets */
+
static struct rtl8366_mib_counter rtl8366s_mib_counters[] = {
{ 0, 0, 4, "IfInOctets" },
{ 0, 4, 4, "EtherStatsOctets" },
return 0;
}
-static int rtl8366s_hw_init(struct rtl8366_smi *smi)
-{
- struct rtl8366_platform_data *pdata;
- int err;
-
- pdata = smi->parent->platform_data;
- if (pdata->num_initvals && pdata->initvals) {
- unsigned i;
-
- dev_info(smi->parent, "applying initvals\n");
- for (i = 0; i < pdata->num_initvals; i++)
- REG_WR(smi, pdata->initvals[i].reg,
- pdata->initvals[i].val);
- }
-
- /* set maximum packet length to 1536 bytes */
- REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
- RTL8366S_SGCR_MAX_LENGTH_1536);
-
- /* enable learning for all ports */
- REG_WR(smi, RTL8366S_SSCR0, 0);
-
- /* enable auto ageing for all ports */
- REG_WR(smi, RTL8366S_SSCR1, 0);
-
- /*
- * discard VLAN tagged packets if the port is not a member of
- * the VLAN with which the packets is associated.
- */
- REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
-
- /* don't drop packets whose DA has not been learned */
- REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
-
- return 0;
-}
-
static int rtl8366s_read_phy_reg(struct rtl8366_smi *smi,
u32 phy_no, u32 page, u32 addr, u32 *data)
{
return 0;
}
+static int rtl8366s_set_green_port(struct rtl8366_smi *smi, int port, int enable)
+{
+ int err;
+ u32 phyData;
+
+ if (port >= RTL8366S_NUM_PORTS)
+ return -EINVAL;
+
+ err = rtl8366s_read_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData);
+ if (err)
+ return err;
+
+ if (enable)
+ phyData |= RTL8366S_PHY_POWER_SAVING_MASK;
+ else
+ phyData &= ~RTL8366S_PHY_POWER_SAVING_MASK;
+
+ err = rtl8366s_write_phy_reg(smi, port, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, phyData);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int rtl8366s_set_green(struct rtl8366_smi *smi, int enable)
+{
+ int err;
+ unsigned i;
+ u32 data = 0;
+
+ if (!enable) {
+ for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) {
+ rtl8366s_set_green_port(smi, i, 0);
+ }
+ }
+
+ if (enable)
+ data = (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT);
+
+ REG_RMW(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, RTL8366S_GREEN_ETHERNET_CTRL_MASK, data);
+
+ return 0;
+}
+
+static int rtl8366s_setup(struct rtl8366_smi *smi)
+{
+ struct rtl8366_platform_data *pdata;
+ int err;
+ unsigned i;
+#ifdef CONFIG_OF
+ struct device_node *np;
+ unsigned num_initvals;
+ const __be32 *paddr;
+#endif
+
+ pdata = smi->parent->platform_data;
+ if (pdata && pdata->num_initvals && pdata->initvals) {
+ dev_info(smi->parent, "applying initvals\n");
+ for (i = 0; i < pdata->num_initvals; i++)
+ REG_WR(smi, pdata->initvals[i].reg,
+ pdata->initvals[i].val);
+ }
+
+#ifdef CONFIG_OF
+ np = smi->parent->of_node;
+
+ paddr = of_get_property(np, "realtek,initvals", &num_initvals);
+ if (paddr) {
+ dev_info(smi->parent, "applying initvals from DTS\n");
+
+ if (num_initvals < (2 * sizeof(*paddr)))
+ return -EINVAL;
+
+ num_initvals /= sizeof(*paddr);
+
+ for (i = 0; i < num_initvals - 1; i += 2) {
+ u32 reg = be32_to_cpup(paddr + i);
+ u32 val = be32_to_cpup(paddr + i + 1);
+
+ REG_WR(smi, reg, val);
+ }
+ }
+
+ if (of_property_read_bool(np, "realtek,green-ethernet-features")) {
+ dev_info(smi->parent, "activating Green Ethernet features\n");
+
+ err = rtl8366s_set_green(smi, 1);
+ if (err)
+ return err;
+
+ for (i = 0; i <= RTL8366S_PHY_NO_MAX; i++) {
+ err = rtl8366s_set_green_port(smi, i, 1);
+ if (err)
+ return err;
+ }
+ }
+#endif
+
+ /* set maximum packet length to 1536 bytes */
+ REG_RMW(smi, RTL8366S_SGCR, RTL8366S_SGCR_MAX_LENGTH_MASK,
+ RTL8366S_SGCR_MAX_LENGTH_1536);
+
+ /* enable learning for all ports */
+ REG_WR(smi, RTL8366S_SSCR0, 0);
+
+ /* enable auto ageing for all ports */
+ REG_WR(smi, RTL8366S_SSCR1, 0);
+
+ /*
+ * discard VLAN tagged packets if the port is not a member of
+ * the VLAN with which the packets is associated.
+ */
+ REG_WR(smi, RTL8366S_VLAN_MEMBERINGRESS_REG, RTL8366S_PORT_ALL);
+
+ /* don't drop packets whose DA has not been learned */
+ REG_RMW(smi, RTL8366S_SSCR2, RTL8366S_SSCR2_DROP_UNKNOWN_DA, 0);
+
+ return 0;
+}
+
static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
int port, unsigned long long *val)
{
return 0;
}
+static int rtl8366s_sw_get_green(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+ u32 data;
+ int err;
+
+ err = rtl8366_smi_read_reg(smi, RTL8366S_GREEN_ETHERNET_CTRL_REG, &data);
+ if (err)
+ return err;
+
+ val->value.i = ((data & (RTL8366S_GREEN_ETHERNET_TX_BIT | RTL8366S_GREEN_ETHERNET_RX_BIT)) != 0) ? 1 : 0;
+
+ return 0;
+}
-static const char *rtl8366s_speed_str(unsigned speed)
+static int rtl8366s_sw_set_green(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
{
- switch (speed) {
- case 0:
- return "10baseT";
- case 1:
- return "100baseT";
- case 2:
- return "1000baseT";
- }
+ struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
- return "unknown";
+ return rtl8366s_set_green(smi, val->value.i);
}
static int rtl8366s_sw_get_port_link(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
+ int port,
+ struct switch_port_link *link)
{
struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
- u32 len = 0, data = 0;
+ u32 data = 0;
+ u32 speed;
- if (val->port_vlan >= RTL8366S_NUM_PORTS)
+ if (port >= RTL8366S_NUM_PORTS)
return -EINVAL;
- memset(smi->buf, '\0', sizeof(smi->buf));
- rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
- (val->port_vlan / 2), &data);
+ rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE + (port / 2),
+ &data);
- if (val->port_vlan % 2)
+ if (port % 2)
data = data >> 8;
- if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
- len = snprintf(smi->buf, sizeof(smi->buf),
- "port:%d link:up speed:%s %s-duplex %s%s%s",
- val->port_vlan,
- rtl8366s_speed_str(data &
- RTL8366S_PORT_STATUS_SPEED_MASK),
- (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
- "full" : "half",
- (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
- "tx-pause ": "",
- (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
- "rx-pause " : "",
- (data & RTL8366S_PORT_STATUS_AN_MASK) ?
- "nway ": "");
- } else {
- len = snprintf(smi->buf, sizeof(smi->buf), "port:%d link: down",
- val->port_vlan);
- }
+ link->link = !!(data & RTL8366S_PORT_STATUS_LINK_MASK);
+ if (!link->link)
+ return 0;
- val->value.s = smi->buf;
- val->len = len;
+ link->duplex = !!(data & RTL8366S_PORT_STATUS_DUPLEX_MASK);
+ link->rx_flow = !!(data & RTL8366S_PORT_STATUS_RXPAUSE_MASK);
+ link->tx_flow = !!(data & RTL8366S_PORT_STATUS_TXPAUSE_MASK);
+ link->aneg = !!(data & RTL8366S_PORT_STATUS_AN_MASK);
+
+ speed = (data & RTL8366S_PORT_STATUS_SPEED_MASK);
+ switch (speed) {
+ case 0:
+ link->speed = SWITCH_PORT_SPEED_10;
+ break;
+ case 1:
+ link->speed = SWITCH_PORT_SPEED_100;
+ break;
+ case 2:
+ link->speed = SWITCH_PORT_SPEED_1000;
+ break;
+ default:
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+ break;
+ }
return 0;
}
return 0;
}
-static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
+static int rtl8366s_sw_get_green_port(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
{
struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+ int err;
+ u32 phyData;
if (val->port_vlan >= RTL8366S_NUM_PORTS)
return -EINVAL;
+ err = rtl8366s_read_phy_reg(smi, val->port_vlan, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG, &phyData);
+ if (err)
+ return err;
+
+ val->value.i = ((phyData & RTL8366S_PHY_POWER_SAVING_MASK) != 0) ? 1 : 0;
- return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
- 0, (1 << (val->port_vlan + 3)));
+ return 0;
}
-static int rtl8366s_sw_reset_switch(struct switch_dev *dev)
+static int rtl8366s_sw_set_green_port(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
{
struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
- int err;
+ return rtl8366s_set_green_port(smi, val->port_vlan, val->value.i);
+}
- err = rtl8366s_reset_chip(smi);
- if (err)
- return err;
+static int rtl8366s_sw_reset_port_mibs(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
- err = rtl8366s_hw_init(smi);
- if (err)
- return err;
+ if (val->port_vlan >= RTL8366S_NUM_PORTS)
+ return -EINVAL;
- err = rtl8366_reset_vlan(smi);
- if (err)
- return err;
- err = rtl8366_enable_vlan(smi, 1);
- if (err)
- return err;
+ return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
+ 0, (1 << (val->port_vlan + 3)));
+}
- return rtl8366_enable_all_ports(smi, 1);
+static int rtl8366s_sw_get_port_stats(struct switch_dev *dev, int port,
+ struct switch_port_stats *stats)
+{
+ return (rtl8366_sw_get_port_stats(dev, port, stats,
+ RTL8366S_MIB_TXB_ID, RTL8366S_MIB_RXB_ID));
}
static struct switch_attr rtl8366s_globals[] = {
.set = rtl8366s_sw_set_max_length,
.get = rtl8366s_sw_get_max_length,
.max = 3,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "green_mode",
+ .description = "Get/Set the router green feature",
+ .set = rtl8366s_sw_set_green,
+ .get = rtl8366s_sw_get_green,
+ .max = 1,
},
};
static struct switch_attr rtl8366s_port[] = {
{
- .type = SWITCH_TYPE_STRING,
- .name = "link",
- .description = "Get port link information",
- .max = 1,
- .set = NULL,
- .get = rtl8366s_sw_get_port_link,
- }, {
.type = SWITCH_TYPE_NOVAL,
.name = "reset_mib",
.description = "Reset single port MIB counters",
.max = 15,
.set = rtl8366s_sw_set_port_led,
.get = rtl8366s_sw_get_port_led,
+ }, {
+ .type = SWITCH_TYPE_INT,
+ .name = "green_port",
+ .description = "Get/Set port green feature (0 - 1)",
+ .max = 1,
+ .set = rtl8366s_sw_set_green_port,
+ .get = rtl8366s_sw_get_green_port,
},
};
.set_vlan_ports = rtl8366_sw_set_vlan_ports,
.get_port_pvid = rtl8366_sw_get_port_pvid,
.set_port_pvid = rtl8366_sw_set_port_pvid,
- .reset_switch = rtl8366s_sw_reset_switch,
+ .reset_switch = rtl8366_sw_reset_switch,
+ .get_port_link = rtl8366s_sw_get_port_link,
+ .get_port_stats = rtl8366s_sw_get_port_stats,
};
static int rtl8366s_switch_init(struct rtl8366_smi *smi)
return err;
}
-static int rtl8366s_setup(struct rtl8366_smi *smi)
-{
- int ret;
-
- ret = rtl8366s_reset_chip(smi);
- if (ret)
- return ret;
-
- ret = rtl8366s_hw_init(smi);
- return ret;
-}
-
static int rtl8366s_detect(struct rtl8366_smi *smi)
{
u32 chip_id = 0;
static struct rtl8366_smi_ops rtl8366s_smi_ops = {
.detect = rtl8366s_detect,
+ .reset_chip = rtl8366s_reset_chip,
.setup = rtl8366s_setup,
.mii_read = rtl8366s_mii_read,
.enable_port = rtl8366s_enable_port,
};
-static int __devinit rtl8366s_probe(struct platform_device *pdev)
+static int rtl8366s_probe(struct platform_device *pdev)
{
static int rtl8366_smi_version_printed;
- struct rtl8366_platform_data *pdata;
struct rtl8366_smi *smi;
int err;
printk(KERN_NOTICE RTL8366S_DRIVER_DESC
" version " RTL8366S_DRIVER_VER"\n");
- pdata = pdev->dev.platform_data;
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data specified\n");
- err = -EINVAL;
- goto err_out;
- }
-
- smi = rtl8366_smi_alloc(&pdev->dev);
- if (!smi) {
- err = -ENOMEM;
- goto err_out;
- }
+ smi = rtl8366_smi_probe(pdev);
+ if (!smi)
+ return -ENODEV;
- smi->gpio_sda = pdata->gpio_sda;
- smi->gpio_sck = pdata->gpio_sck;
smi->clk_delay = 10;
smi->cmd_read = 0xa9;
smi->cmd_write = 0xa8;
rtl8366_smi_cleanup(smi);
err_free_smi:
kfree(smi);
- err_out:
return err;
}
-static int __devexit rtl8366s_remove(struct platform_device *pdev)
+static int rtl8366s_remove(struct platform_device *pdev)
{
struct rtl8366_smi *smi = platform_get_drvdata(pdev);
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id rtl8366s_match[] = {
+ { .compatible = "realtek,rtl8366s" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rtl8366s_match);
+#endif
+
static struct platform_driver rtl8366s_driver = {
.driver = {
.name = RTL8366S_DRIVER_NAME,
.owner = THIS_MODULE,
+#ifdef CONFIG_OF
+ .of_match_table = of_match_ptr(rtl8366s_match),
+#endif
},
.probe = rtl8366s_probe,
- .remove = __devexit_p(rtl8366s_remove),
+ .remove = rtl8366s_remove,
};
static int __init rtl8366s_module_init(void)
projects / librecmc / librecmc.git / blobdiff