generic: ar8216: add read_port_status field to ar8xxx_chip

[openwrt.git] / target / linux / generic / files / drivers / net / phy / rtl8366_smi.c

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index 281c453..e48ca99 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -24,11 +24,10 @@
 #include "rtl8366_smi.h"
 
 #define RTL8366_SMI_ACK_RETRY_COUNT         5
 #include "rtl8366_smi.h"
 
 #define RTL8366_SMI_ACK_RETRY_COUNT         5

-#define RTL8366_SMI_CLK_DELAY               10 /* nsec */

 
 static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi)
 {
 
 static inline void rtl8366_smi_clk_delay(struct rtl8366_smi *smi)
 {

-       ndelay(RTL8366_SMI_CLK_DELAY);
+       ndelay(smi->clk_delay);

 }
 
 static void rtl8366_smi_start(struct rtl8366_smi *smi)
 }
 
 static void rtl8366_smi_start(struct rtl8366_smi *smi)


@@ -143,8 +142,10 @@ static int rtl8366_smi_wait_for_ack(struct rtl8366_smi *smi)
                if (ack == 0)
                        break;
 
                if (ack == 0)
                        break;
 

-               if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT)
-                       return -EIO;
+               if (++retry_cnt > RTL8366_SMI_ACK_RETRY_COUNT) {
+                       dev_err(smi->parent, "ACK timeout\n");
+                       return -ETIMEDOUT;
+               }

        } while (1);
 
        return 0;
        } while (1);
 
        return 0;


@@ -156,6 +157,12 @@ static int rtl8366_smi_write_byte(struct rtl8366_smi *smi, u8 data)
        return rtl8366_smi_wait_for_ack(smi);
 }
 
        return rtl8366_smi_wait_for_ack(smi);
 }
 

+static int rtl8366_smi_write_byte_noack(struct rtl8366_smi *smi, u8 data)
+{
+       rtl8366_smi_write_bits(smi, data, 8);
+       return 0;
+}
+

 static int rtl8366_smi_read_byte0(struct rtl8366_smi *smi, u8 *data)
 {
        u32 t;
 static int rtl8366_smi_read_byte0(struct rtl8366_smi *smi, u8 *data)
 {
        u32 t;


@@ -196,7 +203,7 @@ int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
        rtl8366_smi_start(smi);
 
        /* send READ command */
        rtl8366_smi_start(smi);
 
        /* send READ command */

-       ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x01);
+       ret = rtl8366_smi_write_byte(smi, smi->cmd_read);

        if (ret)
                goto out;
 
        if (ret)
                goto out;
 


@@ -227,7 +234,8 @@ int rtl8366_smi_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg);
 
 }
 EXPORT_SYMBOL_GPL(rtl8366_smi_read_reg);
 

-int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
+static int __rtl8366_smi_write_reg(struct rtl8366_smi *smi,
+                                  u32 addr, u32 data, bool ack)

 {
        unsigned long flags;
        int ret;
 {
        unsigned long flags;
        int ret;


@@ -237,7 +245,7 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
        rtl8366_smi_start(smi);
 
        /* send WRITE command */
        rtl8366_smi_start(smi);
 
        /* send WRITE command */

-       ret = rtl8366_smi_write_byte(smi, 0x0a << 4 | 0x04 << 1 | 0x00);
+       ret = rtl8366_smi_write_byte(smi, smi->cmd_write);

        if (ret)
                goto out;
 
        if (ret)
                goto out;
 


@@ -257,7 +265,10 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
                goto out;
 
        /* write DATA[15:8] */
                goto out;
 
        /* write DATA[15:8] */

-       ret = rtl8366_smi_write_byte(smi, data >> 8);
+       if (ack)
+               ret = rtl8366_smi_write_byte(smi, data >> 8);
+       else
+               ret = rtl8366_smi_write_byte_noack(smi, data >> 8);

        if (ret)
                goto out;
 
        if (ret)
                goto out;
 


@@ -269,8 +280,19 @@ int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
 
        return ret;
 }
 
        return ret;
 }

+
+int rtl8366_smi_write_reg(struct rtl8366_smi *smi, u32 addr, u32 data)
+{
+       return __rtl8366_smi_write_reg(smi, addr, data, true);
+}

 EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg);
 
 EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg);
 

+int rtl8366_smi_write_reg_noack(struct rtl8366_smi *smi, u32 addr, u32 data)
+{
+       return __rtl8366_smi_write_reg(smi, addr, data, false);
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_write_reg_noack);
+

 int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
 {
        u32 t;
 int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
 {
        u32 t;


@@ -1203,6 +1225,9 @@ enum rtl8366_type rtl8366_smi_detect(struct rtl8366_platform_data *pdata)
        memset(&smi, 0, sizeof(smi));
        smi.gpio_sda = pdata->gpio_sda;
        smi.gpio_sck = pdata->gpio_sck;
        memset(&smi, 0, sizeof(smi));
        smi.gpio_sda = pdata->gpio_sda;
        smi.gpio_sck = pdata->gpio_sck;

+       smi.clk_delay = 10;
+       smi.cmd_read  = 0xa9;
+       smi.cmd_write = 0xa8;

 
        if (__rtl8366_smi_init(&smi, "rtl8366"))
                goto out;
 
        if (__rtl8366_smi_init(&smi, "rtl8366"))
                goto out;