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-rw-r--r--drivers/usb/dwc2/core.h19
-rw-r--r--drivers/usb/dwc2/debugfs.c4
-rw-r--r--drivers/usb/dwc2/gadget.c1
-rw-r--r--drivers/usb/dwc2/hcd.c12
-rw-r--r--drivers/usb/dwc2/params.c73
5 files changed, 57 insertions, 52 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index cb9059a8444b..37185eb66ae4 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -238,11 +238,14 @@ enum dwc2_ep0_state {
/**
* struct dwc2_core_params - Parameters for configuring the core
*
- * @otg_cap: Specifies the OTG capabilities.
- * 0 - HNP and SRP capable
- * 1 - SRP Only capable
- * 2 - No HNP/SRP capable (always available)
- * Defaults to best available option (0, 1, then 2)
+ * @otg_caps: Specifies the OTG capabilities. OTG caps from the platform parameters,
+ * used to setup the:
+ * - HNP and SRP capable
+ * - SRP Only capable
+ * - No HNP/SRP capable (always available)
+ * Defaults to best available option
+ * - OTG revision number the device is compliant with, in binary-coded
+ * decimal (i.e. 2.0 is 0200H). (see struct usb_otg_caps)
* @host_dma: Specifies whether to use slave or DMA mode for accessing
* the data FIFOs. The driver will automatically detect the
* value for this parameter if none is specified.
@@ -453,11 +456,7 @@ enum dwc2_ep0_state {
* default described above.
*/
struct dwc2_core_params {
- u8 otg_cap;
-#define DWC2_CAP_PARAM_HNP_SRP_CAPABLE 0
-#define DWC2_CAP_PARAM_SRP_ONLY_CAPABLE 1
-#define DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE 2
-
+ struct usb_otg_caps otg_caps;
u8 phy_type;
#define DWC2_PHY_TYPE_PARAM_FS 0
#define DWC2_PHY_TYPE_PARAM_UTMI 1
diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c
index f13eed4231e1..1d72ece9cfe4 100644
--- a/drivers/usb/dwc2/debugfs.c
+++ b/drivers/usb/dwc2/debugfs.c
@@ -670,7 +670,9 @@ static int params_show(struct seq_file *seq, void *v)
struct dwc2_core_params *p = &hsotg->params;
int i;
- print_param(seq, p, otg_cap);
+ print_param(seq, p, otg_caps.hnp_support);
+ print_param(seq, p, otg_caps.srp_support);
+ print_param(seq, p, otg_caps.otg_rev);
print_param(seq, p, dma_desc_enable);
print_param(seq, p, dma_desc_fs_enable);
print_param(seq, p, speed);
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 11d85a6e0b0d..4ab4a1d5062b 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4966,6 +4966,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
hsotg->gadget.max_speed = USB_SPEED_HIGH;
hsotg->gadget.ops = &dwc2_hsotg_gadget_ops;
hsotg->gadget.name = dev_name(dev);
+ hsotg->gadget.otg_caps = &hsotg->params.otg_caps;
hsotg->remote_wakeup_allowed = 0;
if (hsotg->params.lpm)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index a215ec9e172e..13c779a28e94 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -138,19 +138,15 @@ static void dwc2_gusbcfg_init(struct dwc2_hsotg *hsotg)
switch (hsotg->hw_params.op_mode) {
case GHWCFG2_OP_MODE_HNP_SRP_CAPABLE:
- if (hsotg->params.otg_cap ==
- DWC2_CAP_PARAM_HNP_SRP_CAPABLE)
+ if (hsotg->params.otg_caps.hnp_support &&
+ hsotg->params.otg_caps.srp_support)
usbcfg |= GUSBCFG_HNPCAP;
- if (hsotg->params.otg_cap !=
- DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE)
- usbcfg |= GUSBCFG_SRPCAP;
- break;
+ fallthrough;
case GHWCFG2_OP_MODE_SRP_ONLY_CAPABLE:
case GHWCFG2_OP_MODE_SRP_CAPABLE_DEVICE:
case GHWCFG2_OP_MODE_SRP_CAPABLE_HOST:
- if (hsotg->params.otg_cap !=
- DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE)
+ if (hsotg->params.otg_caps.srp_support)
usbcfg |= GUSBCFG_SRPCAP;
break;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 59e119345994..99d3b6284e01 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 +174,8 @@ 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->speed = DWC2_SPEED_PARAM_FULL;
p->host_rx_fifo_size = 128;
p->host_nperio_tx_fifo_size = 96;
@@ -188,7 +195,8 @@ 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->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 +249,22 @@ 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 +470,8 @@ 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 +482,27 @@ 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)
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-02 07:30:48 +0300