summaryrefslogtreecommitdiffstats
path: root/drivers/usb/chipidea/ci.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2015-04-20 11:32:26 +1000
committerDave Airlie <airlied@redhat.com>2015-04-20 13:05:20 +1000
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /drivers/usb/chipidea/ci.h
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
downloadlinux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz
linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2
linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.zip
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/usb/chipidea/ci.h')
-rw-r--r--drivers/usb/chipidea/ci.h69
1 files changed, 67 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 65913d48f0c8..6d6200e37b71 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -29,6 +29,15 @@
/******************************************************************************
* REGISTERS
*****************************************************************************/
+/* Identification Registers */
+#define ID_ID 0x0
+#define ID_HWGENERAL 0x4
+#define ID_HWHOST 0x8
+#define ID_HWDEVICE 0xc
+#define ID_HWTXBUF 0x10
+#define ID_HWRXBUF 0x14
+#define ID_SBUSCFG 0x90
+
/* register indices */
enum ci_hw_regs {
CAP_CAPLENGTH,
@@ -97,6 +106,18 @@ enum ci_role {
CI_ROLE_END,
};
+enum ci_revision {
+ CI_REVISION_1X = 10, /* Revision 1.x */
+ CI_REVISION_20 = 20, /* Revision 2.0 */
+ CI_REVISION_21, /* Revision 2.1 */
+ CI_REVISION_22, /* Revision 2.2 */
+ CI_REVISION_23, /* Revision 2.3 */
+ CI_REVISION_24, /* Revision 2.4 */
+ CI_REVISION_25, /* Revision 2.5 */
+ CI_REVISION_25_PLUS, /* Revision above than 2.5 */
+ CI_REVISION_UNKNOWN = 99, /* Unknown Revision */
+};
+
/**
* struct ci_role_driver - host/gadget role driver
* @start: start this role
@@ -141,7 +162,10 @@ struct hw_bank {
* @role: current role
* @is_otg: if the device is otg-capable
* @fsm: otg finite state machine
- * @fsm_timer: pointer to timer list of otg fsm
+ * @otg_fsm_hrtimer: hrtimer for otg fsm timers
+ * @hr_timeouts: time out list for active otg fsm timers
+ * @enabled_otg_timer_bits: bits of enabled otg timers
+ * @next_otg_timer: next nearest enabled timer to be expired
* @work: work for role changing
* @wq: workqueue thread
* @qh_pool: allocation pool for queue heads
@@ -169,6 +193,10 @@ struct hw_bank {
* @b_sess_valid_event: indicates there is a vbus event, and handled
* at ci_otg_work
* @imx28_write_fix: Freescale imx28 needs swp instruction for writing
+ * @supports_runtime_pm: if runtime pm is supported
+ * @in_lpm: if the core in low power mode
+ * @wakeup_int: if wakeup interrupt occur
+ * @rev: The revision number for controller
*/
struct ci_hdrc {
struct device *dev;
@@ -180,7 +208,10 @@ struct ci_hdrc {
bool is_otg;
struct usb_otg otg;
struct otg_fsm fsm;
- struct ci_otg_fsm_timer_list *fsm_timer;
+ struct hrtimer otg_fsm_hrtimer;
+ ktime_t hr_timeouts[NUM_OTG_FSM_TIMERS];
+ unsigned enabled_otg_timer_bits;
+ enum otg_fsm_timer next_otg_timer;
struct work_struct work;
struct workqueue_struct *wq;
@@ -211,6 +242,10 @@ struct ci_hdrc {
bool id_event;
bool b_sess_valid_event;
bool imx28_write_fix;
+ bool supports_runtime_pm;
+ bool in_lpm;
+ bool wakeup_int;
+ enum ci_revision rev;
};
static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci)
@@ -248,6 +283,36 @@ static inline void ci_role_stop(struct ci_hdrc *ci)
}
/**
+ * hw_read_id_reg: reads from a identification register
+ * @ci: the controller
+ * @offset: offset from the beginning of identification registers region
+ * @mask: bitfield mask
+ *
+ * This function returns register contents
+ */
+static inline u32 hw_read_id_reg(struct ci_hdrc *ci, u32 offset, u32 mask)
+{
+ return ioread32(ci->hw_bank.abs + offset) & mask;
+}
+
+/**
+ * hw_write_id_reg: writes to a identification register
+ * @ci: the controller
+ * @offset: offset from the beginning of identification registers region
+ * @mask: bitfield mask
+ * @data: new value
+ */
+static inline void hw_write_id_reg(struct ci_hdrc *ci, u32 offset,
+ u32 mask, u32 data)
+{
+ if (~mask)
+ data = (ioread32(ci->hw_bank.abs + offset) & ~mask)
+ | (data & mask);
+
+ iowrite32(data, ci->hw_bank.abs + offset);
+}
+
+/**
* hw_read: reads from a hw register
* @ci: the controller
* @reg: register index