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path: root/drivers/usb/dwc2/params.c
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Diffstat (limited to 'drivers/usb/dwc2/params.c')
-rw-r--r--drivers/usb/dwc2/params.c75
1 files changed, 42 insertions, 33 deletions
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 59e119345994..d300ae3d9274 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -36,6 +36,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/usb/of.h>
#include "core.h"
@@ -53,7 +54,8 @@ static void dwc2_set_his_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
p->speed = DWC2_SPEED_PARAM_HIGH;
p->host_rx_fifo_size = 512;
p->host_nperio_tx_fifo_size = 512;
@@ -84,7 +86,8 @@ static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
p->host_rx_fifo_size = 525;
p->host_nperio_tx_fifo_size = 128;
p->host_perio_tx_fifo_size = 256;
@@ -97,7 +100,8 @@ static void dwc2_set_ltq_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = 2;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
p->host_rx_fifo_size = 288;
p->host_nperio_tx_fifo_size = 128;
p->host_perio_tx_fifo_size = 96;
@@ -111,7 +115,8 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
p->speed = DWC2_SPEED_PARAM_HIGH;
p->host_rx_fifo_size = 512;
p->host_nperio_tx_fifo_size = 500;
@@ -144,7 +149,8 @@ static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
p->speed = DWC2_SPEED_PARAM_FULL;
p->host_rx_fifo_size = 128;
p->host_nperio_tx_fifo_size = 96;
@@ -168,7 +174,9 @@ static void dwc2_set_stm32mp15_fsotg_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
+ p->otg_caps.otg_rev = 0x200;
p->speed = DWC2_SPEED_PARAM_FULL;
p->host_rx_fifo_size = 128;
p->host_nperio_tx_fifo_size = 96;
@@ -188,7 +196,9 @@ static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
- p->otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
+ p->otg_caps.otg_rev = 0x200;
p->activate_stm_id_vb_detection = !device_property_read_bool(hsotg->dev, "usb-role-switch");
p->host_rx_fifo_size = 440;
p->host_nperio_tx_fifo_size = 256;
@@ -241,23 +251,22 @@ MODULE_DEVICE_TABLE(acpi, dwc2_acpi_match);
static void dwc2_set_param_otg_cap(struct dwc2_hsotg *hsotg)
{
- u8 val;
-
switch (hsotg->hw_params.op_mode) {
case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE:
- val = DWC2_CAP_PARAM_HNP_SRP_CAPABLE;
+ hsotg->params.otg_caps.hnp_support = true;
+ hsotg->params.otg_caps.srp_support = true;
break;
case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE:
case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE:
case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST:
- val = DWC2_CAP_PARAM_SRP_ONLY_CAPABLE;
+ hsotg->params.otg_caps.hnp_support = false;
+ hsotg->params.otg_caps.srp_support = true;
break;
default:
- val = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;
+ hsotg->params.otg_caps.hnp_support = false;
+ hsotg->params.otg_caps.srp_support = false;
break;
}
-
- hsotg->params.otg_cap = val;
}
static void dwc2_set_param_phy_type(struct dwc2_hsotg *hsotg)
@@ -463,6 +472,8 @@ static void dwc2_get_device_properties(struct dwc2_hsotg *hsotg)
&p->g_tx_fifo_size[1],
num);
}
+
+ of_usb_update_otg_caps(hsotg->dev->of_node, &p->otg_caps);
}
if (of_find_property(hsotg->dev->of_node, "disable-over-current", NULL))
@@ -473,29 +484,27 @@ static void dwc2_check_param_otg_cap(struct dwc2_hsotg *hsotg)
{
int valid = 1;
- switch (hsotg->params.otg_cap) {
- case DWC2_CAP_PARAM_HNP_SRP_CAPABLE:
+ if (hsotg->params.otg_caps.hnp_support && hsotg->params.otg_caps.srp_support) {
+ /* check HNP && SRP capable */
if (hsotg->hw_params.op_mode != GHWCFG2_OP_MODE_HNP_SRP_CAPABLE)
valid = 0;
- break;
- case DWC2_CAP_PARAM_SRP_ONLY_CAPABLE:
- switch (hsotg->hw_params.op_mode) {
- case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE:
- case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE:
- case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE:
- case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST:
- break;
- default:
- valid = 0;
- break;
+ } else if (!hsotg->params.otg_caps.hnp_support) {
+ /* check SRP only capable */
+ if (hsotg->params.otg_caps.srp_support) {
+ switch (hsotg->hw_params.op_mode) {
+ case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE:
+ case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE:
+ case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE:
+ case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST:
+ break;
+ default:
+ valid = 0;
+ break;
+ }
}
- break;
- case DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE:
- /* always valid */
- break;
- default:
+ /* else: NO HNP && NO SRP capable: always valid */
+ } else {
valid = 0;
- break;
}
if (!valid)