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152 lines
4.9 KiB
152 lines
4.9 KiB
From 8f444887e23b9f0ea31aaae74fbc18171714d8d2 Mon Sep 17 00:00:00 2001
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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Date: Fri, 13 Oct 2017 17:10:43 +0800
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Subject: [PATCH 109/224] usb: mtu3: add support for usb3.1 IP
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Support SuperSpeedPlus for usb3.1 device IP
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Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/mtu3/mtu3.h | 1 +
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drivers/usb/mtu3/mtu3_core.c | 14 +++++++++++---
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drivers/usb/mtu3/mtu3_gadget.c | 3 ++-
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drivers/usb/mtu3/mtu3_gadget_ep0.c | 16 ++++++++--------
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drivers/usb/mtu3/mtu3_hw_regs.h | 1 +
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5 files changed, 23 insertions(+), 12 deletions(-)
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--- a/drivers/usb/mtu3/mtu3.h
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+++ b/drivers/usb/mtu3/mtu3.h
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@@ -94,6 +94,7 @@ enum mtu3_speed {
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MTU3_SPEED_FULL = 1,
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MTU3_SPEED_HIGH = 3,
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MTU3_SPEED_SUPER = 4,
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+ MTU3_SPEED_SUPER_PLUS = 5,
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};
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/**
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--- a/drivers/usb/mtu3/mtu3_core.c
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+++ b/drivers/usb/mtu3/mtu3_core.c
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@@ -237,7 +237,7 @@ void mtu3_ep_stall_set(struct mtu3_ep *m
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void mtu3_dev_on_off(struct mtu3 *mtu, int is_on)
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{
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- if (mtu->is_u3_ip && (mtu->max_speed == USB_SPEED_SUPER))
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+ if (mtu->is_u3_ip && mtu->max_speed >= USB_SPEED_SUPER)
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mtu3_ss_func_set(mtu, is_on);
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else
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mtu3_hs_softconn_set(mtu, is_on);
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@@ -547,6 +547,9 @@ static void mtu3_set_speed(struct mtu3 *
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mtu3_clrbits(mbase, U3D_USB3_CONFIG, USB3_EN);
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/* HS/FS detected by HW */
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mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
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+ } else if (mtu->max_speed == USB_SPEED_SUPER) {
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+ mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
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+ SSUSB_U3_PORT_SSP_SPEED);
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}
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dev_info(mtu->dev, "max_speed: %s\n",
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@@ -624,6 +627,10 @@ static irqreturn_t mtu3_link_isr(struct
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udev_speed = USB_SPEED_SUPER;
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maxpkt = 512;
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break;
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+ case MTU3_SPEED_SUPER_PLUS:
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+ udev_speed = USB_SPEED_SUPER_PLUS;
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+ maxpkt = 512;
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+ break;
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default:
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udev_speed = USB_SPEED_UNKNOWN;
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break;
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@@ -825,14 +832,15 @@ int ssusb_gadget_init(struct ssusb_mtk *
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case USB_SPEED_FULL:
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case USB_SPEED_HIGH:
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case USB_SPEED_SUPER:
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+ case USB_SPEED_SUPER_PLUS:
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break;
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default:
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dev_err(dev, "invalid max_speed: %s\n",
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usb_speed_string(mtu->max_speed));
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/* fall through */
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case USB_SPEED_UNKNOWN:
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- /* default as SS */
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- mtu->max_speed = USB_SPEED_SUPER;
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+ /* default as SSP */
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+ mtu->max_speed = USB_SPEED_SUPER_PLUS;
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break;
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}
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--- a/drivers/usb/mtu3/mtu3_gadget.c
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+++ b/drivers/usb/mtu3/mtu3_gadget.c
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@@ -89,6 +89,7 @@ static int mtu3_ep_enable(struct mtu3_ep
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switch (mtu->g.speed) {
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case USB_SPEED_SUPER:
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+ case USB_SPEED_SUPER_PLUS:
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if (usb_endpoint_xfer_int(desc) ||
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usb_endpoint_xfer_isoc(desc)) {
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interval = desc->bInterval;
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@@ -456,7 +457,7 @@ static int mtu3_gadget_wakeup(struct usb
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return -EOPNOTSUPP;
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spin_lock_irqsave(&mtu->lock, flags);
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- if (mtu->g.speed == USB_SPEED_SUPER) {
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+ if (mtu->g.speed >= USB_SPEED_SUPER) {
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mtu3_setbits(mtu->mac_base, U3D_LINK_POWER_CONTROL, UX_EXIT);
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} else {
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mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT, RESUME);
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--- a/drivers/usb/mtu3/mtu3_gadget_ep0.c
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+++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c
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@@ -212,8 +212,8 @@ ep0_get_status(struct mtu3 *mtu, const s
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case USB_RECIP_DEVICE:
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result[0] = mtu->is_self_powered << USB_DEVICE_SELF_POWERED;
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result[0] |= mtu->may_wakeup << USB_DEVICE_REMOTE_WAKEUP;
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- /* superspeed only */
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- if (mtu->g.speed == USB_SPEED_SUPER) {
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+
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+ if (mtu->g.speed >= USB_SPEED_SUPER) {
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result[0] |= mtu->u1_enable << USB_DEV_STAT_U1_ENABLED;
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result[0] |= mtu->u2_enable << USB_DEV_STAT_U2_ENABLED;
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}
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@@ -329,8 +329,8 @@ static int ep0_handle_feature_dev(struct
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handled = handle_test_mode(mtu, setup);
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break;
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case USB_DEVICE_U1_ENABLE:
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- if (mtu->g.speed != USB_SPEED_SUPER ||
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- mtu->g.state != USB_STATE_CONFIGURED)
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+ if (mtu->g.speed < USB_SPEED_SUPER ||
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+ mtu->g.state != USB_STATE_CONFIGURED)
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break;
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lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
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@@ -344,8 +344,8 @@ static int ep0_handle_feature_dev(struct
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handled = 1;
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break;
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case USB_DEVICE_U2_ENABLE:
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- if (mtu->g.speed != USB_SPEED_SUPER ||
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- mtu->g.state != USB_STATE_CONFIGURED)
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+ if (mtu->g.speed < USB_SPEED_SUPER ||
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+ mtu->g.state != USB_STATE_CONFIGURED)
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break;
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lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
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@@ -384,8 +384,8 @@ static int ep0_handle_feature(struct mtu
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break;
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case USB_RECIP_INTERFACE:
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/* superspeed only */
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- if ((value == USB_INTRF_FUNC_SUSPEND)
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- && (mtu->g.speed == USB_SPEED_SUPER)) {
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+ if (value == USB_INTRF_FUNC_SUSPEND &&
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+ mtu->g.speed >= USB_SPEED_SUPER) {
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/*
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* forward the request because function drivers
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* should handle it
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--- a/drivers/usb/mtu3/mtu3_hw_regs.h
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+++ b/drivers/usb/mtu3/mtu3_hw_regs.h
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@@ -467,6 +467,7 @@
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#define SSUSB_VBUS_CHG_INT_B_EN BIT(6)
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/* U3D_SSUSB_U3_CTRL_0P */
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+#define SSUSB_U3_PORT_SSP_SPEED BIT(9)
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#define SSUSB_U3_PORT_HOST_SEL BIT(2)
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#define SSUSB_U3_PORT_PDN BIT(1)
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#define SSUSB_U3_PORT_DIS BIT(0)
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