1 files changed, 76 insertions, 3 deletions

diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h
index 3657403eac18..00311fe9d0df 100644
--- a/include/linux/usb/msm_hsusb.h
+++ b/include/linux/usb/msm_hsusb.h
@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2008 Google, Inc.
  * Author: Brian Swetland <swetland@google.com>
- * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -54,6 +54,64 @@ enum otg_control_type {
 };
 
 /**
+ * PHY used in
+ *
+ * INVALID_PHY                  Unsupported PHY
+ * CI_45NM_INTEGRATED_PHY       Chipidea 45nm integrated PHY
+ * SNPS_28NM_INTEGRATED_PHY     Synopsis 28nm integrated PHY
+ *
+ */
+enum msm_usb_phy_type {
+        INVALID_PHY = 0,
+        CI_45NM_INTEGRATED_PHY,
+        SNPS_28NM_INTEGRATED_PHY,
+};
+
+#define IDEV_CHG_MAX    1500
+#define IUNIT           100
+
+/**
+ * Different states involved in USB charger detection.
+ *
+ * USB_CHG_STATE_UNDEFINED      USB charger is not connected or detection
+ *                              process is not yet started.
+ * USB_CHG_STATE_WAIT_FOR_DCD   Waiting for Data pins contact.
+ * USB_CHG_STATE_DCD_DONE       Data pin contact is detected.
+ * USB_CHG_STATE_PRIMARY_DONE   Primary detection is completed (Detects
+ *                              between SDP and DCP/CDP).
+ * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects
+ *                              between DCP and CDP).
+ * USB_CHG_STATE_DETECTED       USB charger type is determined.
+ *
+ */
+enum usb_chg_state {
+        USB_CHG_STATE_UNDEFINED = 0,
+        USB_CHG_STATE_WAIT_FOR_DCD,
+        USB_CHG_STATE_DCD_DONE,
+        USB_CHG_STATE_PRIMARY_DONE,
+        USB_CHG_STATE_SECONDARY_DONE,
+        USB_CHG_STATE_DETECTED,
+};
+
+/**
+ * USB charger types
+ *
+ * USB_INVALID_CHARGER  Invalid USB charger.
+ * USB_SDP_CHARGER      Standard downstream port. Refers to a downstream port
+ *                      on USB2.0 compliant host/hub.
+ * USB_DCP_CHARGER      Dedicated charger port (AC charger/ Wall charger).
+ * USB_CDP_CHARGER      Charging downstream port. Enumeration can happen and
+ *                      IDEV_CHG_MAX can be drawn irrespective of USB state.
+ *
+ */
+enum usb_chg_type {
+        USB_INVALID_CHARGER = 0,
+        USB_SDP_CHARGER,
+        USB_DCP_CHARGER,
+        USB_CDP_CHARGER,
+};
+
+/**
  * struct msm_otg_platform_data - platform device data
  *              for msm_otg driver.
  * @phy_init_seq: PHY configuration sequence. val, reg pairs
@@ -64,7 +122,8 @@ enum otg_control_type {
  * @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;
@@ -73,7 +132,9 @@ struct msm_otg_platform_data {
         enum usb_mode_type 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;
 };
 
 /**
@@ -83,6 +144,7 @@ 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.
@@ -90,7 +152,12 @@ struct msm_otg_platform_data {
  * @sm_work: OTG state machine work.
  * @in_lpm: indicates low power mode (LPM) state.
  * @async_int: Async interrupt arrived.
- *
+ * @cur_power: The amount of mA available from downstream port.
+ * @chg_work: Charger detection work.
+ * @chg_state: The state of charger detection process.
+ * @chg_type: The type of charger attached.
+ * @dcd_retires: The retry count used to track Data contact
+ *               detection process.
  */
 struct msm_otg {
         struct otg_transceiver otg;
@@ -98,6 +165,7 @@ 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;
@@ -107,6 +175,11 @@ struct msm_otg {
         struct work_struct sm_work;
         atomic_t in_lpm;
         int async_int;
+        unsigned cur_power;
+        struct delayed_work chg_work;
+        enum usb_chg_state chg_state;
+        enum usb_chg_type chg_type;
+        u8 dcd_retries;
 };
 
 #endif