diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch b/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch index 846afc5ee1..a7dd38a643 100644 --- a/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch +++ b/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch @@ -1,7 +1,7 @@ -From 651d8fff94718c7e48b8a40d7774878eb8ed62ee Mon Sep 17 00:00:00 2001 +From 8b8185586a13ebbd760e80bbe5f22f9417b50fd2 Mon Sep 17 00:00:00 2001 From: "chunfeng.yun@mediatek.com" <chunfeng.yun@mediatek.com> Date: Tue, 17 Nov 2015 17:18:40 +0800 -Subject: [PATCH 19/91] xhci: mediatek: support MTK xHCI host controller +Subject: [PATCH 019/102] xhci: mediatek: support MTK xHCI host controller There some vendor quirks for MTK xhci host controller: 1. It defines some extra SW scheduling parameters for HW @@ -31,6 +31,8 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> create mode 100644 drivers/usb/host/xhci-mtk.c create mode 100644 drivers/usb/host/xhci-mtk.h +diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig +index 3bb0887..daa563f 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -41,6 +41,15 @@ config USB_XHCI_PLATFORM @@ -49,6 +51,8 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> config USB_XHCI_MVEBU tristate "xHCI support for Marvell Armada 375/38x" select USB_XHCI_PLATFORM +diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile +index e7558ab..65a06b4 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -13,6 +13,9 @@ fhci-$(CONFIG_FHCI_DEBUG) += fhci-dbg.o @@ -69,6 +73,9 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> obj-$(CONFIG_USB_SL811_HCD) += sl811-hcd.o obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o obj-$(CONFIG_USB_U132_HCD) += u132-hcd.o +diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c +new file mode 100644 +index 0000000..c30de7c --- /dev/null +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -0,0 +1,415 @@ @@ -487,6 +494,9 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> + } +} +EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk); +diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c +new file mode 100644 +index 0000000..c9ab6a4 --- /dev/null +++ b/drivers/usb/host/xhci-mtk.c @@ -0,0 +1,763 @@ @@ -1253,6 +1263,9 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> +MODULE_AUTHOR("Chunfeng Yun <chunfeng.yun@mediatek.com>"); +MODULE_DESCRIPTION("MediaTek xHCI Host Controller Driver"); +MODULE_LICENSE("GPL v2"); +diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h +new file mode 100644 +index 0000000..7da677c --- /dev/null +++ b/drivers/usb/host/xhci-mtk.h @@ -0,0 +1,162 @@ @@ -1418,6 +1431,8 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> +#endif + +#endif /* _XHCI_MTK_H_ */ +diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c +index eeaa6c6..f1c21c4 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -68,6 +68,7 @@ @@ -1428,7 +1443,7 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> /* * Returns zero if the TRB isn't in this segment, otherwise it returns the DMA -@@ -3065,17 +3066,22 @@ static u32 xhci_td_remainder(struct xhci +@@ -3075,17 +3076,22 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, { u32 maxp, total_packet_count; @@ -1455,7 +1470,7 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> /* Queueing functions don't count the current TRB into transferred */ return (total_packet_count - ((transferred + trb_buff_len) / maxp)); } -@@ -3463,7 +3469,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd * +@@ -3473,7 +3479,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field |= 0x1; /* xHCI 1.0/1.1 6.4.1.2.1: Transfer Type field */ @@ -1464,6 +1479,8 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> if (urb->transfer_buffer_length > 0) { if (setup->bRequestType & USB_DIR_IN) field |= TRB_TX_TYPE(TRB_DATA_IN); +diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c +index 3f91270..15fedb2 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -31,6 +31,7 @@ @@ -1474,7 +1491,7 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> #define DRIVER_AUTHOR "Sarah Sharp" #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver" -@@ -635,7 +636,11 @@ int xhci_run(struct usb_hcd *hcd) +@@ -634,7 +635,11 @@ int xhci_run(struct usb_hcd *hcd) "// Set the interrupt modulation register"); temp = readl(&xhci->ir_set->irq_control); temp &= ~ER_IRQ_INTERVAL_MASK; @@ -1487,7 +1504,7 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> writel(temp, &xhci->ir_set->irq_control); /* Set the HCD state before we enable the irqs */ -@@ -1701,6 +1706,9 @@ int xhci_drop_endpoint(struct usb_hcd *h +@@ -1698,6 +1703,9 @@ int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep); @@ -1497,7 +1514,7 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n", (unsigned int) ep->desc.bEndpointAddress, udev->slot_id, -@@ -1796,6 +1804,15 @@ int xhci_add_endpoint(struct usb_hcd *hc +@@ -1793,6 +1801,15 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, return -ENOMEM; } @@ -1513,9 +1530,11 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs); new_add_flags = le32_to_cpu(ctrl_ctx->add_flags); +diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h +index 0b94512..40cf36e 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h -@@ -1631,6 +1631,7 @@ struct xhci_hcd { +@@ -1630,6 +1630,7 @@ struct xhci_hcd { /* For controllers with a broken beyond repair streams implementation */ #define XHCI_BROKEN_STREAMS (1 << 19) #define XHCI_PME_STUCK_QUIRK (1 << 20) @@ -1523,3 +1542,6 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ +-- +1.7.10.4 + |