X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fusb%2Fdwc3%2Fcore.h;h=78be201d81f4eabe0ec6d75e95cf3d76e8aef9db;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=c0eafa6fd40314086474f5b7cab8f63361c73d64;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/usb/dwc3/core.h b/kernel/drivers/usb/dwc3/core.h
index c0eafa6fd..78be201d8 100644
--- a/kernel/drivers/usb/dwc3/core.h
+++ b/kernel/drivers/usb/dwc3/core.h
@@ -30,6 +30,7 @@
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/otg.h>
+#include <linux/ulpi/interface.h>
 
 #include <linux/phy/phy.h>
 
@@ -107,6 +108,9 @@
 #define DWC3_GPRTBIMAP_FS0	0xc188
 #define DWC3_GPRTBIMAP_FS1	0xc18c
 
+#define DWC3_VER_NUMBER		0xc1a0
+#define DWC3_VER_TYPE		0xc1a4
+
 #define DWC3_GUSB2PHYCFG(n)	(0xc200 + (n * 0x04))
 #define DWC3_GUSB2I2CCTL(n)	(0xc240 + (n * 0x04))
 
@@ -123,6 +127,7 @@
 #define DWC3_GEVNTCOUNT(n)	(0xc40c + (n * 0x10))
 
 #define DWC3_GHWPARAMS8		0xc600
+#define DWC3_GFLADJ		0xc630
 
 /* Device Registers */
 #define DWC3_DCFG		0xc700
@@ -173,6 +178,16 @@
 /* Global USB2 PHY Configuration Register */
 #define DWC3_GUSB2PHYCFG_PHYSOFTRST	(1 << 31)
 #define DWC3_GUSB2PHYCFG_SUSPHY		(1 << 6)
+#define DWC3_GUSB2PHYCFG_ULPI_UTMI	(1 << 4)
+#define DWC3_GUSB2PHYCFG_ENBLSLPM	(1 << 8)
+
+/* Global USB2 PHY Vendor Control Register */
+#define DWC3_GUSB2PHYACC_NEWREGREQ	(1 << 25)
+#define DWC3_GUSB2PHYACC_BUSY		(1 << 23)
+#define DWC3_GUSB2PHYACC_WRITE		(1 << 22)
+#define DWC3_GUSB2PHYACC_ADDR(n)	(n << 16)
+#define DWC3_GUSB2PHYACC_EXTEND_ADDR(n)	(n << 8)
+#define DWC3_GUSB2PHYACC_DATA(n)	(n & 0xff)
 
 /* Global USB3 PIPE Control Register */
 #define DWC3_GUSB3PIPECTL_PHYSOFTRST	(1 << 31)
@@ -224,6 +239,10 @@
 /* Global HWPARAMS6 Register */
 #define DWC3_GHWPARAMS6_EN_FPGA			(1 << 7)
 
+/* Global Frame Length Adjustment Register */
+#define DWC3_GFLADJ_30MHZ_SDBND_SEL		(1 << 7)
+#define DWC3_GFLADJ_30MHZ_MASK			0x3f
+
 /* Device Configuration Register */
 #define DWC3_DCFG_DEVADDR(addr)	((addr) << 3)
 #define DWC3_DCFG_DEVADDR_MASK	DWC3_DCFG_DEVADDR(0x7f)
@@ -652,6 +671,7 @@ struct dwc3_scratchpad_array {
  * @usb3_phy: pointer to USB3 PHY
  * @usb2_generic_phy: pointer to USB2 PHY
  * @usb3_generic_phy: pointer to USB3 PHY
+ * @ulpi: pointer to ulpi interface
  * @dcfg: saved contents of DCFG register
  * @gctl: saved contents of GCTL register
  * @isoch_delay: wValue from Set Isochronous Delay request;
@@ -673,6 +693,7 @@ struct dwc3_scratchpad_array {
  * @test_mode_nr: test feature selector
  * @lpm_nyet_threshold: LPM NYET response threshold
  * @hird_threshold: HIRD threshold
+ * @hsphy_interface: "utmi" or "ulpi"
  * @delayed_status: true when gadget driver asks for delayed status
  * @ep0_bounced: true when we used bounce buffer
  * @ep0_expect_in: true when we expect a DATA IN transfer
@@ -700,6 +721,8 @@ struct dwc3_scratchpad_array {
  * @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
  * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy
  * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy
+ * @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG,
+ *                      disabling the suspend signal to the PHY.
  * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
  * @tx_de_emphasis: Tx de-emphasis value
  * 	0	- -6dB de-emphasis
@@ -739,6 +762,8 @@ struct dwc3 {
 	struct phy		*usb2_generic_phy;
 	struct phy		*usb3_generic_phy;
 
+	struct ulpi		*ulpi;
+
 	void __iomem		*regs;
 	size_t			regs_size;
 
@@ -752,6 +777,14 @@ struct dwc3 {
 	u32			num_event_buffers;
 	u32			u1u2;
 	u32			maximum_speed;
+
+	/*
+	 * All 3.1 IP version constants are greater than the 3.0 IP
+	 * version constants. This works for most version checks in
+	 * dwc3. However, in the future, this may not apply as
+	 * features may be developed on newer versions of the 3.0 IP
+	 * that are not in the 3.1 IP.
+	 */
 	u32			revision;
 
 #define DWC3_REVISION_173A	0x5533173a
@@ -774,6 +807,13 @@ struct dwc3 {
 #define DWC3_REVISION_270A	0x5533270a
 #define DWC3_REVISION_280A	0x5533280a
 
+/*
+ * NOTICE: we're using bit 31 as a "is usb 3.1" flag. This is really
+ * just so dwc31 revisions are always larger than dwc3.
+ */
+#define DWC3_REVISION_IS_DWC31		0x80000000
+#define DWC3_USB31_REVISION_110A	(0x3131302a | DWC3_REVISION_IS_USB31)
+
 	enum dwc3_ep0_next	ep0_next_event;
 	enum dwc3_ep0_state	ep0state;
 	enum dwc3_link_state	link_state;
@@ -800,6 +840,8 @@ struct dwc3 {
 	u8			lpm_nyet_threshold;
 	u8			hird_threshold;
 
+	const char		*hsphy_interface;
+
 	unsigned		delayed_status:1;
 	unsigned		ep0_bounced:1;
 	unsigned		ep0_expect_in:1;
@@ -811,7 +853,6 @@ struct dwc3 {
 	unsigned		pullups_connected:1;
 	unsigned		resize_fifos:1;
 	unsigned		setup_packet_pending:1;
-	unsigned		start_config_issued:1;
 	unsigned		three_stage_setup:1;
 	unsigned		usb3_lpm_capable:1;
 
@@ -825,6 +866,7 @@ struct dwc3 {
 	unsigned		rx_detect_poll_quirk:1;
 	unsigned		dis_u3_susphy_quirk:1;
 	unsigned		dis_u2_susphy_quirk:1;
+	unsigned		dis_enblslpm_quirk:1;
 
 	unsigned		tx_de_emphasis_quirk:1;
 	unsigned		tx_de_emphasis:2;
@@ -1035,4 +1077,14 @@ static inline int dwc3_gadget_resume(struct dwc3 *dwc)
 }
 #endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */
 
+#if IS_ENABLED(CONFIG_USB_DWC3_ULPI)
+int dwc3_ulpi_init(struct dwc3 *dwc);
+void dwc3_ulpi_exit(struct dwc3 *dwc);
+#else
+static inline int dwc3_ulpi_init(struct dwc3 *dwc)
+{ return 0; }
+static inline void dwc3_ulpi_exit(struct dwc3 *dwc)
+{ }
+#endif
+
 #endif /* __DRIVERS_USB_DWC3_CORE_H */