Skip to content

Commit

Permalink
net: hns: dsaf adds support of acpi
Browse files Browse the repository at this point in the history 
Dsaf needs to get configuration parameter by ACPI, so this patch add
support of ACPI.

Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
  • Loading branch information
Kejian Yan authored and David S. Miller committed Jun 5, 2016
1 parent a24274a commit 8413b3b
Show file tree
Hide file tree
Showing 3 changed files with 114 additions and 83 deletions.
80 changes: 40 additions & 40 deletions drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -689,9 +689,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
return 0;
}

if (!is_of_node(mac_cb->fw_port))
return -EINVAL;

if (is_of_node(mac_cb->fw_port)) {
/* parse property from port subnode in dsaf */
np = of_parse_phandle(to_of_node(mac_cb->fw_port), "phy-handle", 0);
mac_cb->phy_dev = of_phy_find_device(np);
Expand All @@ -701,47 +699,49 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
mac_cb->mac_id, np->name);
}

syscon = syscon_node_to_regmap(
of_parse_phandle(to_of_node(mac_cb->fw_port),
"serdes-syscon", 0));
if (IS_ERR_OR_NULL(syscon)) {
dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
return -EINVAL;
}
mac_cb->serdes_ctrl = syscon;

ret = fwnode_property_read_u32(mac_cb->fw_port,
"port-rst-offset",
&mac_cb->port_rst_off);
if (ret) {
dev_dbg(mac_cb->dev,
"mac%d port-rst-offset not found, use default value.\n",
mac_cb->mac_id);
}
syscon = syscon_node_to_regmap(
of_parse_phandle(to_of_node(mac_cb->fw_port),
"serdes-syscon", 0));
if (IS_ERR_OR_NULL(syscon)) {
dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
return -EINVAL;
}
mac_cb->serdes_ctrl = syscon;

ret = fwnode_property_read_u32(mac_cb->fw_port,
"port-mode-offset",
&mac_cb->port_mode_off);
if (ret) {
dev_dbg(mac_cb->dev,
"mac%d port-mode-offset not found, use default value.\n",
mac_cb->mac_id);
}
ret = fwnode_property_read_u32(mac_cb->fw_port,
"port-rst-offset",
&mac_cb->port_rst_off);
if (ret) {
dev_dbg(mac_cb->dev,
"mac%d port-rst-offset not found, use default value.\n",
mac_cb->mac_id);
}

ret = of_parse_phandle_with_fixed_args(to_of_node(mac_cb->fw_port),
"cpld-syscon", 1, 0, &cpld_args);
if (ret) {
dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
mac_cb->mac_id);
mac_cb->cpld_ctrl = NULL;
} else {
syscon = syscon_node_to_regmap(cpld_args.np);
if (IS_ERR_OR_NULL(syscon)) {
dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
ret = fwnode_property_read_u32(mac_cb->fw_port,
"port-mode-offset",
&mac_cb->port_mode_off);
if (ret) {
dev_dbg(mac_cb->dev,
"mac%d port-mode-offset not found, use default value.\n",
mac_cb->mac_id);
}

ret = of_parse_phandle_with_fixed_args(
to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
&cpld_args);
if (ret) {
dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
mac_cb->mac_id);
mac_cb->cpld_ctrl = NULL;
} else {
mac_cb->cpld_ctrl = syscon;
mac_cb->cpld_ctrl_reg = cpld_args.args[0];
syscon = syscon_node_to_regmap(cpld_args.np);
if (IS_ERR_OR_NULL(syscon)) {
dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
mac_cb->cpld_ctrl = NULL;
} else {
mac_cb->cpld_ctrl = syscon;
mac_cb->cpld_ctrl_reg = cpld_args.args[0];
}
}
}

Expand Down
85 changes: 57 additions & 28 deletions drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
* (at your option) any later version.
*/

#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/interrupt.h>
Expand All @@ -33,6 +34,13 @@ const char *g_dsaf_mode_match[DSAF_MODE_MAX] = {
[DSAF_MODE_DISABLE_SP] = "single-port",
};

static const struct acpi_device_id hns_dsaf_acpi_match[] = {
{ "HISI00B1", 0 },
{ "HISI00B2", 0 },
{ },
};
MODULE_DEVICE_TABLE(acpi, hns_dsaf_acpi_match);

int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
{
int ret, i;
Expand All @@ -46,10 +54,22 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
struct device_node *np = dsaf_dev->dev->of_node;
struct platform_device *pdev = to_platform_device(dsaf_dev->dev);

if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1"))
dsaf_dev->dsaf_ver = AE_VERSION_1;
else
dsaf_dev->dsaf_ver = AE_VERSION_2;
if (dev_of_node(dsaf_dev->dev)) {
if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1"))
dsaf_dev->dsaf_ver = AE_VERSION_1;
else
dsaf_dev->dsaf_ver = AE_VERSION_2;
} else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
if (acpi_dev_found(hns_dsaf_acpi_match[0].id))
dsaf_dev->dsaf_ver = AE_VERSION_1;
else if (acpi_dev_found(hns_dsaf_acpi_match[1].id))
dsaf_dev->dsaf_ver = AE_VERSION_2;
else
return -ENXIO;
} else {
dev_err(dsaf_dev->dev, "cannot get cfg data from of or acpi\n");
return -ENXIO;
}

ret = device_property_read_string(dsaf_dev->dev, "mode", &mode_str);
if (ret) {
Expand Down Expand Up @@ -81,32 +101,40 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
else
dsaf_dev->dsaf_tc_mode = HRD_DSAF_4TC_MODE;

syscon = syscon_node_to_regmap(
of_parse_phandle(np, "subctrl-syscon", 0));
if (IS_ERR_OR_NULL(syscon)) {
res = platform_get_resource(pdev, IORESOURCE_MEM, res_idx++);
if (!res) {
dev_err(dsaf_dev->dev, "subctrl info is needed!\n");
return -ENOMEM;
}
dsaf_dev->sc_base = devm_ioremap_resource(&pdev->dev, res);
if (!dsaf_dev->sc_base) {
dev_err(dsaf_dev->dev, "subctrl can not map!\n");
return -ENOMEM;
}
if (dev_of_node(dsaf_dev->dev)) {
syscon = syscon_node_to_regmap(
of_parse_phandle(np, "subctrl-syscon", 0));
if (IS_ERR_OR_NULL(syscon)) {
res = platform_get_resource(pdev, IORESOURCE_MEM,
res_idx++);
if (!res) {
dev_err(dsaf_dev->dev, "subctrl info is needed!\n");
return -ENOMEM;
}

res = platform_get_resource(pdev, IORESOURCE_MEM, res_idx++);
if (!res) {
dev_err(dsaf_dev->dev, "serdes-ctrl info is needed!\n");
return -ENOMEM;
}
dsaf_dev->sds_base = devm_ioremap_resource(&pdev->dev, res);
if (!dsaf_dev->sds_base) {
dev_err(dsaf_dev->dev, "serdes-ctrl can not map!\n");
return -ENOMEM;
dsaf_dev->sc_base = devm_ioremap_resource(&pdev->dev,
res);
if (!dsaf_dev->sc_base) {
dev_err(dsaf_dev->dev, "subctrl can not map!\n");
return -ENOMEM;
}

res = platform_get_resource(pdev, IORESOURCE_MEM,
res_idx++);
if (!res) {
dev_err(dsaf_dev->dev, "serdes-ctrl info is needed!\n");
return -ENOMEM;
}

dsaf_dev->sds_base = devm_ioremap_resource(&pdev->dev,
res);
if (!dsaf_dev->sds_base) {
dev_err(dsaf_dev->dev, "serdes-ctrl can not map!\n");
return -ENOMEM;
}
} else {
dsaf_dev->sub_ctrl = syscon;
}
} else {
dsaf_dev->sub_ctrl = syscon;
}

res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ppe-base");
Expand Down Expand Up @@ -2686,6 +2714,7 @@ static struct platform_driver g_dsaf_driver = {
.driver = {
.name = DSAF_DRV_NAME,
.of_match_table = g_dsaf_match,
.acpi_match_table = hns_dsaf_acpi_match,
},
};

Expand Down
32 changes: 17 additions & 15 deletions drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -362,21 +362,23 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
if (!misc_op)
return NULL;

misc_op->cpld_set_led = hns_cpld_set_led;
misc_op->cpld_reset_led = cpld_led_reset;
misc_op->cpld_set_led_id = cpld_set_led_id;

misc_op->dsaf_reset = hns_dsaf_rst;
misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port;
misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
misc_op->ppe_srst = hns_ppe_srst_by_port;
misc_op->ppe_comm_srst = hns_ppe_com_srst;

misc_op->get_phy_if = hns_mac_get_phy_if;
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;

misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
if (dev_of_node(dsaf_dev->dev)) {
misc_op->cpld_set_led = hns_cpld_set_led;
misc_op->cpld_reset_led = cpld_led_reset;
misc_op->cpld_set_led_id = cpld_set_led_id;

misc_op->dsaf_reset = hns_dsaf_rst;
misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port;
misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
misc_op->ppe_srst = hns_ppe_srst_by_port;
misc_op->ppe_comm_srst = hns_ppe_com_srst;

misc_op->get_phy_if = hns_mac_get_phy_if;
misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;

misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
}

return (void *)misc_op;
}

0 comments on commit 8413b3b

Please sign in to comment.