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backfire: generic: rtl8366: introduce rtl8366_smi_ops (backport of r21910)

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@21929 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2010-06-26 19:52:55 +00:00
parent ab13453cab
commit 1329a26409
4 changed files with 97 additions and 56 deletions
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11
target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c
View File

@ -272,6 +272,9 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
if (!smi->parent)
return -EINVAL;
if (!smi->ops)
return -EINVAL;
err = gpio_request(smi->gpio_sda, dev_name(smi->parent));
if (err) {
dev_err(smi->parent, "gpio_request failed for %u, err=%d\n",
@ -291,8 +294,16 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
dev_info(smi->parent, "using GPIO pins %u (SDA) and %u (SCK)\n",
smi->gpio_sda, smi->gpio_sck);
err = smi->ops->detect(smi);
if (err) {
dev_err(smi->parent, "chip detection failed, err=%d\n", err);
goto err_free_sck;
}
return 0;
err_free_sck:
gpio_free(smi->gpio_sck);
err_free_sda:
gpio_free(smi->gpio_sda);
err_out:

8
target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
View File

@ -11,11 +11,19 @@
#ifndef _RTL8366_SMI_H
#define _RTL8366_SMI_H
struct rtl8366_smi_ops;
struct rtl8366_smi {
struct device *parent;
unsigned int gpio_sda;
unsigned int gpio_sck;
spinlock_t lock;
struct rtl8366_smi_ops *ops;
};
struct rtl8366_smi_ops {
int (*detect)(struct rtl8366_smi *smi);
};
int rtl8366_smi_init(struct rtl8366_smi *smi);

67
target/linux/generic-2.6/files/drivers/net/phy/rtl8366rb.c
View File

@ -26,7 +26,7 @@
#endif
#define RTL8366S_DRIVER_DESC "Realtek RTL8366RB ethernet switch driver"
#define RTL8366S_DRIVER_VER "0.2.0"
#define RTL8366S_DRIVER_VER "0.2.2"
#define RTL8366S_PHY_NO_MAX 4
#define RTL8366S_PHY_PAGE_MAX 7
@ -1573,35 +1573,8 @@ static int rtl8366rb_mii_bus_match(struct mii_bus *bus)
static int rtl8366rb_setup(struct rtl8366rb *rtl)
{
struct rtl8366_smi *smi = &rtl->smi;
u32 chip_id = 0;
u32 chip_ver = 0;
int ret;
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
if (ret) {
dev_err(rtl->parent, "unable to read chip id\n");
return ret;
}
switch (chip_id) {
case RTL8366S_CHIP_ID_8366:
break;
default:
dev_err(rtl->parent, "unknown chip id (%04x)\n", chip_id);
return -ENODEV;
}
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
&chip_ver);
if (ret) {
dev_err(rtl->parent, "unable to read chip version\n");
return ret;
}
dev_info(rtl->parent, "RTL%04x ver. %u chip found\n",
chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
ret = rtl8366rb_reset_chip(rtl);
if (ret)
return ret;
@ -1610,6 +1583,43 @@ static int rtl8366rb_setup(struct rtl8366rb *rtl)
return 0;
}
static int rtl8366rb_detect(struct rtl8366_smi *smi)
{
u32 chip_id = 0;
u32 chip_ver = 0;
int ret;
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
if (ret) {
dev_err(smi->parent, "unable to read chip id\n");
return ret;
}
switch (chip_id) {
case RTL8366S_CHIP_ID_8366:
break;
default:
dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
return -ENODEV;
}
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
&chip_ver);
if (ret) {
dev_err(smi->parent, "unable to read chip version\n");
return ret;
}
dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
return 0;
}
static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
.detect = rtl8366rb_detect,
};
static int __init rtl8366rb_probe(struct platform_device *pdev)
{
static int rtl8366_smi_version_printed;
@ -1642,6 +1652,7 @@ static int __init rtl8366rb_probe(struct platform_device *pdev)
smi->parent = &pdev->dev;
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->ops = &rtl8366rb_smi_ops;
err = rtl8366_smi_init(smi);
if (err)

67
target/linux/generic-2.6/files/drivers/net/phy/rtl8366s.c
View File

@ -26,7 +26,7 @@
#endif
#define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver"
#define RTL8366S_DRIVER_VER "0.2.1"
#define RTL8366S_DRIVER_VER "0.2.2"
#define RTL8366S_PHY_NO_MAX 4
#define RTL8366S_PHY_PAGE_MAX 7
@ -1542,35 +1542,8 @@ static int rtl8366s_mii_bus_match(struct mii_bus *bus)
static int rtl8366s_setup(struct rtl8366s *rtl)
{
struct rtl8366_smi *smi = &rtl->smi;
u32 chip_id = 0;
u32 chip_ver = 0;
int ret;
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
if (ret) {
dev_err(rtl->parent, "unable to read chip id\n");
return ret;
}
switch (chip_id) {
case RTL8366S_CHIP_ID_8366:
break;
default:
dev_err(rtl->parent, "unknown chip id (%04x)\n", chip_id);
return -ENODEV;
}
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
&chip_ver);
if (ret) {
dev_err(rtl->parent, "unable to read chip version\n");
return ret;
}
dev_info(rtl->parent, "RTL%04x ver. %u chip found\n",
chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
ret = rtl8366s_reset_chip(rtl);
if (ret)
return ret;
@ -1579,6 +1552,43 @@ static int rtl8366s_setup(struct rtl8366s *rtl)
return 0;
}
static int rtl8366s_detect(struct rtl8366_smi *smi)
{
u32 chip_id = 0;
u32 chip_ver = 0;
int ret;
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
if (ret) {
dev_err(smi->parent, "unable to read chip id\n");
return ret;
}
switch (chip_id) {
case RTL8366S_CHIP_ID_8366:
break;
default:
dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
return -ENODEV;
}
ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
&chip_ver);
if (ret) {
dev_err(smi->parent, "unable to read chip version\n");
return ret;
}
dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
return 0;
}
static struct rtl8366_smi_ops rtl8366s_smi_ops = {
.detect = rtl8366s_detect,
};
static int __init rtl8366s_probe(struct platform_device *pdev)
{
static int rtl8366_smi_version_printed;
@ -1611,6 +1621,7 @@ static int __init rtl8366s_probe(struct platform_device *pdev)
smi->parent = &pdev->dev;
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->ops = &rtl8366s_smi_ops;
err = rtl8366_smi_init(smi);
if (err)