diff options
Diffstat (limited to 'drivers/usb/dwc2/params.c')
| -rw-r--r-- | drivers/usb/dwc2/params.c | 73 |
1 files changed, 40 insertions, 33 deletions
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) |