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-rw-r--r--include/linux/usb/composite.h79
-rw-r--r--include/linux/usb/msm_hsusb.h39
-rw-r--r--include/linux/usb/msm_hsusb_hw.h14
-rw-r--r--include/linux/usb/usb_phy_generic.h (renamed from include/linux/usb/usb_phy_gen_xceiv.h)13
4 files changed, 111 insertions, 34 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index d3ca3b53837c..7373203140e7 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -57,6 +57,61 @@
struct usb_configuration;
/**
+ * struct usb_os_desc_ext_prop - describes one "Extended Property"
+ * @entry: used to keep a list of extended properties
+ * @type: Extended Property type
+ * @name_len: Extended Property unicode name length, including terminating '\0'
+ * @name: Extended Property name
+ * @data_len: Length of Extended Property blob (for unicode store double len)
+ * @data: Extended Property blob
+ * @item: Represents this Extended Property in configfs
+ */
+struct usb_os_desc_ext_prop {
+ struct list_head entry;
+ u8 type;
+ int name_len;
+ char *name;
+ int data_len;
+ char *data;
+ struct config_item item;
+};
+
+/**
+ * struct usb_os_desc - describes OS descriptors associated with one interface
+ * @ext_compat_id: 16 bytes of "Compatible ID" and "Subcompatible ID"
+ * @ext_prop: Extended Properties list
+ * @ext_prop_len: Total length of Extended Properties blobs
+ * @ext_prop_count: Number of Extended Properties
+ * @opts_mutex: Optional mutex protecting config data of a usb_function_instance
+ * @group: Represents OS descriptors associated with an interface in configfs
+ * @owner: Module associated with this OS descriptor
+ */
+struct usb_os_desc {
+ char *ext_compat_id;
+ struct list_head ext_prop;
+ int ext_prop_len;
+ int ext_prop_count;
+ struct mutex *opts_mutex;
+ struct config_group group;
+ struct module *owner;
+};
+
+/**
+ * struct usb_os_desc_table - describes OS descriptors associated with one
+ * interface of a usb_function
+ * @if_id: Interface id
+ * @os_desc: "Extended Compatibility ID" and "Extended Properties" of the
+ * interface
+ *
+ * Each interface can have at most one "Extended Compatibility ID" and a
+ * number of "Extended Properties".
+ */
+struct usb_os_desc_table {
+ int if_id;
+ struct usb_os_desc *os_desc;
+};
+
+/**
* struct usb_function - describes one function of a configuration
* @name: For diagnostics, identifies the function.
* @strings: tables of strings, keyed by identifiers assigned during bind()
@@ -73,6 +128,10 @@ struct usb_configuration;
* be available at super speed.
* @config: assigned when @usb_add_function() is called; this is the
* configuration with which this function is associated.
+ * @os_desc_table: Table of (interface id, os descriptors) pairs. The function
+ * can expose more than one interface. If an interface is a member of
+ * an IAD, only the first interface of IAD has its entry in the table.
+ * @os_desc_n: Number of entries in os_desc_table
* @bind: Before the gadget can register, all of its functions bind() to the
* available resources including string and interface identifiers used
* in interface or class descriptors; endpoints; I/O buffers; and so on.
@@ -129,6 +188,9 @@ struct usb_function {
struct usb_configuration *config;
+ struct usb_os_desc_table *os_desc_table;
+ unsigned os_desc_n;
+
/* REVISIT: bind() functions can be marked __init, which
* makes trouble for section mismatch analysis. See if
* we can't restructure things to avoid mismatching.
@@ -327,6 +389,8 @@ extern void usb_composite_unregister(struct usb_composite_driver *driver);
extern void usb_composite_setup_continue(struct usb_composite_dev *cdev);
extern int composite_dev_prepare(struct usb_composite_driver *composite,
struct usb_composite_dev *cdev);
+extern int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
+ struct usb_ep *ep0);
void composite_dev_cleanup(struct usb_composite_dev *cdev);
static inline struct usb_composite_driver *to_cdriver(
@@ -335,11 +399,19 @@ static inline struct usb_composite_driver *to_cdriver(
return container_of(gdrv, struct usb_composite_driver, gadget_driver);
}
+#define OS_STRING_QW_SIGN_LEN 14
+#define OS_STRING_IDX 0xEE
+
/**
* struct usb_composite_device - represents one composite usb gadget
* @gadget: read-only, abstracts the gadget's usb peripheral controller
* @req: used for control responses; buffer is pre-allocated
+ * @os_desc_req: used for OS descriptors responses; buffer is pre-allocated
* @config: the currently active configuration
+ * @qw_sign: qwSignature part of the OS string
+ * @b_vendor_code: bMS_VendorCode part of the OS string
+ * @use_os_string: false by default, interested gadgets set it
+ * @os_desc_config: the configuration to be used with OS descriptors
*
* One of these devices is allocated and initialized before the
* associated device driver's bind() is called.
@@ -369,9 +441,16 @@ static inline struct usb_composite_driver *to_cdriver(
struct usb_composite_dev {
struct usb_gadget *gadget;
struct usb_request *req;
+ struct usb_request *os_desc_req;
struct usb_configuration *config;
+ /* OS String is a custom (yet popular) extension to the USB standard. */
+ u8 qw_sign[OS_STRING_QW_SIGN_LEN];
+ u8 b_vendor_code;
+ struct usb_configuration *os_desc_config;
+ unsigned int use_os_string:1;
+
/* private: */
/* internals */
unsigned int suspended:1;
diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h
index 32754835a39b..b0a39243295a 100644
--- a/include/linux/usb/msm_hsusb.h
+++ b/include/linux/usb/msm_hsusb.h
@@ -23,21 +23,6 @@
#include <linux/clk.h>
/**
- * Supported USB modes
- *
- * USB_PERIPHERAL Only peripheral mode is supported.
- * USB_HOST Only host mode is supported.
- * USB_OTG OTG mode is supported.
- *
- */
-enum usb_mode_type {
- USB_NONE = 0,
- USB_PERIPHERAL,
- USB_HOST,
- USB_OTG,
-};
-
-/**
* OTG control
*
* OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host
@@ -115,27 +100,23 @@ enum usb_chg_type {
/**
* struct msm_otg_platform_data - platform device data
* for msm_otg driver.
- * @phy_init_seq: PHY configuration sequence. val, reg pairs
- * terminated by -1.
+ * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as
+ * "do not overwrite default vaule at this address".
+ * @phy_init_sz: PHY configuration sequence size.
* @vbus_power: VBUS power on/off routine.
* @power_budget: VBUS power budget in mA (0 will be treated as 500mA).
* @mode: Supported mode (OTG/peripheral/host).
* @otg_control: OTG switch controlled by user/Id pin
- * @default_mode: Default operational mode. Applicable only if
- * OTG switch is controller by user.
- * @pclk_src_name: pclk is derived from ebi1_usb_clk in case of 7x27 and 8k
- * dfab_usb_hs_clk in case of 8660 and 8960.
*/
struct msm_otg_platform_data {
int *phy_init_seq;
+ int phy_init_sz;
void (*vbus_power)(bool on);
unsigned power_budget;
- enum usb_mode_type mode;
+ enum usb_dr_mode mode;
enum otg_control_type otg_control;
- enum usb_mode_type default_mode;
enum msm_usb_phy_type phy_type;
void (*setup_gpio)(enum usb_otg_state state);
- char *pclk_src_name;
int (*link_clk_reset)(struct clk *link_clk, bool assert);
int (*phy_clk_reset)(struct clk *phy_clk);
};
@@ -147,7 +128,6 @@ struct msm_otg_platform_data {
* @irq: IRQ number assigned for HSUSB controller.
* @clk: clock struct of usb_hs_clk.
* @pclk: clock struct of usb_hs_pclk.
- * @pclk_src: pclk source for voting.
* @phy_reset_clk: clock struct of usb_phy_clk.
* @core_clk: clock struct of usb_hs_core_clk.
* @regs: ioremapped register base address.
@@ -168,7 +148,6 @@ struct msm_otg {
int irq;
struct clk *clk;
struct clk *pclk;
- struct clk *pclk_src;
struct clk *phy_reset_clk;
struct clk *core_clk;
void __iomem *regs;
@@ -179,10 +158,18 @@ struct msm_otg {
atomic_t in_lpm;
int async_int;
unsigned cur_power;
+ int phy_number;
struct delayed_work chg_work;
enum usb_chg_state chg_state;
enum usb_chg_type chg_type;
u8 dcd_retries;
+ struct regulator *v3p3;
+ struct regulator *v1p8;
+ struct regulator *vddcx;
+
+ struct reset_control *phy_rst;
+ struct reset_control *link_rst;
+ int vdd_levels[3];
};
#endif
diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h
index 6e97a2d3d39f..a29f6030afb1 100644
--- a/include/linux/usb/msm_hsusb_hw.h
+++ b/include/linux/usb/msm_hsusb_hw.h
@@ -16,6 +16,9 @@
#ifndef __LINUX_USB_GADGET_MSM72K_UDC_H__
#define __LINUX_USB_GADGET_MSM72K_UDC_H__
+/* USB phy selector - in TCSR address range */
+#define USB2_PHY_SEL 0xfd4ab000
+
#define USB_AHBBURST (MSM_USB_BASE + 0x0090)
#define USB_AHBMODE (MSM_USB_BASE + 0x0098)
#define USB_CAPLENGTH (MSM_USB_BASE + 0x0100) /* 8 bit */
@@ -25,13 +28,15 @@
#define USB_OTGSC (MSM_USB_BASE + 0x01A4)
#define USB_USBMODE (MSM_USB_BASE + 0x01A8)
#define USB_PHY_CTRL (MSM_USB_BASE + 0x0240)
+#define USB_PHY_CTRL2 (MSM_USB_BASE + 0x0278)
#define USBCMD_RESET 2
#define USB_USBINTR (MSM_USB_BASE + 0x0148)
#define PORTSC_PHCD (1 << 23) /* phy suspend mode */
-#define PORTSC_PTS_MASK (3 << 30)
-#define PORTSC_PTS_ULPI (3 << 30)
+#define PORTSC_PTS_MASK (3 << 30)
+#define PORTSC_PTS_ULPI (2 << 30)
+#define PORTSC_PTS_SERIAL (3 << 30)
#define USB_ULPI_VIEWPORT (MSM_USB_BASE + 0x0170)
#define ULPI_RUN (1 << 30)
@@ -41,9 +46,14 @@
#define ULPI_DATA(n) ((n) & 255)
#define ULPI_DATA_READ(n) (((n) >> 8) & 255)
+/* synopsys 28nm phy registers */
+#define ULPI_PWR_CLK_MNG_REG 0x88
+#define OTG_COMP_DISABLE BIT(0)
+
#define ASYNC_INTR_CTRL (1 << 29) /* Enable async interrupt */
#define ULPI_STP_CTRL (1 << 30) /* Block communication with PHY */
#define PHY_RETEN (1 << 1) /* PHY retention enable/disable */
+#define PHY_POR_ASSERT (1 << 0) /* USB2 28nm PHY POR ASSERT */
/* OTG definitions */
#define OTGSC_INTSTS_MASK (0x7f << 16)
diff --git a/include/linux/usb/usb_phy_gen_xceiv.h b/include/linux/usb/usb_phy_generic.h
index cc8d818a83be..68adae83affc 100644
--- a/include/linux/usb/usb_phy_gen_xceiv.h
+++ b/include/linux/usb/usb_phy_generic.h
@@ -3,7 +3,7 @@
#include <linux/usb/otg.h>
-struct usb_phy_gen_xceiv_platform_data {
+struct usb_phy_generic_platform_data {
enum usb_phy_type type;
unsigned long clk_rate;
@@ -13,16 +13,17 @@ struct usb_phy_gen_xceiv_platform_data {
int gpio_reset;
};
-#if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE))
+#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
/* sometimes transceivers are accessed only through e.g. ULPI */
-extern void usb_nop_xceiv_register(void);
-extern void usb_nop_xceiv_unregister(void);
+extern struct platform_device *usb_phy_generic_register(void);
+extern void usb_phy_generic_unregister(struct platform_device *);
#else
-static inline void usb_nop_xceiv_register(void)
+static inline struct platform_device *usb_phy_generic_register(void)
{
+ return NULL;
}
-static inline void usb_nop_xceiv_unregister(void)
+static inline void usb_phy_generic_unregister(struct platform_device *pdev)
{
}
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.