Re: [PATCH v3 10/13] usb: chipidea: add sys inputs for OTG fsm input.
On Thu, Mar 06, 2014 at 12:44:16PM +0800, Peter Chen wrote:
On Thu, Feb 27, 2014 at 07:38:28AM +0800, Li Jun wrote:
This patch adds sys input to control and show OTG fsm inputs by application,
user can do host and preipheral role switch by change these inputs.
Signed-off-by: Li Jun b47...@freescale.com
---
drivers/usb/chipidea/otg.c |1 +
drivers/usb/chipidea/otg_fsm.c | 192
drivers/usb/chipidea/otg_fsm.h |6 ++
3 files changed, 199 insertions(+)
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index 4fb33a2..6c10b91 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -129,4 +129,5 @@ void ci_hdrc_otg_destroy(struct ci_hdrc *ci)
}
ci_disable_otg_interrupt(ci, OTGSC_INT_EN_BITS);
ci_clear_otg_interrupt(ci, OTGSC_INT_STATUS_BITS);
+ ci_hdrc_otg_fsm_remove(ci);
}
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index 0601058..0e980f1 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -41,6 +41,185 @@ static struct ci_otg_fsm_timer *otg_timer_initializer
return timer;
}
+/* Add for otg: interact with user space app */
+static ssize_t
+get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_req);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_req = 0;
+ } else if (buf[0] == '1') {
+ /* If a_bus_drop is TRUE, a_bus_req can't be set */
+ if (ci-fsm-a_bus_drop)
+ goto end;
+ ci-fsm-a_bus_req = 1;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+end:
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req,
set_a_bus_req);
+
+static ssize_t
+get_a_bus_drop(struct device *dev, struct device_attribute *attr, char
*buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_drop);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_drop(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_drop = 0;
+ } else if (buf[0] == '1') {
+ ci-fsm-a_bus_drop = 1;
+ ci-fsm-a_bus_req = 0;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ }
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, get_a_bus_drop,
+ set_a_bus_drop);
+
+static ssize_t
+get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-b_bus_req);
+ size -= t;
+ next += t;
+ }
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_b_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if
Re: [PATCH v3 10/13] usb: chipidea: add sys inputs for OTG fsm input.
On Wed, Mar 12, 2014 at 04:03:34PM +0800, Li Jun wrote:
On Thu, Mar 06, 2014 at 12:44:16PM +0800, Peter Chen wrote:
On Thu, Feb 27, 2014 at 07:38:28AM +0800, Li Jun wrote:
This patch adds sys input to control and show OTG fsm inputs by
application,
user can do host and preipheral role switch by change these inputs.
Signed-off-by: Li Jun b47...@freescale.com
---
drivers/usb/chipidea/otg.c |1 +
drivers/usb/chipidea/otg_fsm.c | 192
drivers/usb/chipidea/otg_fsm.h |6 ++
3 files changed, 199 insertions(+)
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index 4fb33a2..6c10b91 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -129,4 +129,5 @@ void ci_hdrc_otg_destroy(struct ci_hdrc *ci)
}
ci_disable_otg_interrupt(ci, OTGSC_INT_EN_BITS);
ci_clear_otg_interrupt(ci, OTGSC_INT_STATUS_BITS);
+ ci_hdrc_otg_fsm_remove(ci);
}
diff --git a/drivers/usb/chipidea/otg_fsm.c
b/drivers/usb/chipidea/otg_fsm.c
index 0601058..0e980f1 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -41,6 +41,185 @@ static struct ci_otg_fsm_timer *otg_timer_initializer
return timer;
}
+/* Add for otg: interact with user space app */
+static ssize_t
+get_a_bus_req(struct device *dev, struct device_attribute *attr, char
*buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_req);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_req = 0;
+ } else if (buf[0] == '1') {
+ /* If a_bus_drop is TRUE, a_bus_req can't be set */
+ if (ci-fsm-a_bus_drop)
+ goto end;
+ ci-fsm-a_bus_req = 1;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+end:
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req,
set_a_bus_req);
+
+static ssize_t
+get_a_bus_drop(struct device *dev, struct device_attribute *attr, char
*buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_drop);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_drop(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_drop = 0;
+ } else if (buf[0] == '1') {
+ ci-fsm-a_bus_drop = 1;
+ ci-fsm-a_bus_req = 0;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ }
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, get_a_bus_drop,
+ set_a_bus_drop);
+
+static ssize_t
+get_b_bus_req(struct device *dev, struct device_attribute *attr, char
*buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-b_bus_req);
+ size -= t;
+ next += t;
+ }
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_b_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
Re: [PATCH v3 10/13] usb: chipidea: add sys inputs for OTG fsm input.
On Thu, Feb 27, 2014 at 07:38:28AM +0800, Li Jun wrote:
This patch adds sys input to control and show OTG fsm inputs by application,
user can do host and preipheral role switch by change these inputs.
Signed-off-by: Li Jun b47...@freescale.com
---
drivers/usb/chipidea/otg.c |1 +
drivers/usb/chipidea/otg_fsm.c | 192
drivers/usb/chipidea/otg_fsm.h |6 ++
3 files changed, 199 insertions(+)
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index 4fb33a2..6c10b91 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -129,4 +129,5 @@ void ci_hdrc_otg_destroy(struct ci_hdrc *ci)
}
ci_disable_otg_interrupt(ci, OTGSC_INT_EN_BITS);
ci_clear_otg_interrupt(ci, OTGSC_INT_STATUS_BITS);
+ ci_hdrc_otg_fsm_remove(ci);
}
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index 0601058..0e980f1 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -41,6 +41,185 @@ static struct ci_otg_fsm_timer *otg_timer_initializer
return timer;
}
+/* Add for otg: interact with user space app */
+static ssize_t
+get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_req);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_req = 0;
+ } else if (buf[0] == '1') {
+ /* If a_bus_drop is TRUE, a_bus_req can't be set */
+ if (ci-fsm-a_bus_drop)
+ goto end;
+ ci-fsm-a_bus_req = 1;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+end:
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req,
set_a_bus_req);
+
+static ssize_t
+get_a_bus_drop(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-a_bus_drop);
+ size -= t;
+ next += t;
+ } else
+ dev_err(ci-dev, error: otg setup is not completed!\n);
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_a_bus_drop(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+ mutex_lock(ci-fsm-lock);
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ if (buf[0] == '0') {
+ ci-fsm-a_bus_drop = 0;
+ } else if (buf[0] == '1') {
+ ci-fsm-a_bus_drop = 1;
+ ci-fsm-a_bus_req = 0;
+ }
+
+ disable_irq_nosync(ci-irq);
+ queue_work(ci-wq, ci-work);
+ }
+ mutex_unlock(ci-fsm-lock);
+
+ return count;
+}
+static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, get_a_bus_drop,
+ set_a_bus_drop);
+
+static ssize_t
+get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ char*next;
+ unsignedsize, t;
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ next = buf;
+ size = PAGE_SIZE;
+
+ if (ci-transceiver ci-transceiver-otg ci-fsm) {
+ t = scnprintf(next, size, %d\n, ci-fsm-b_bus_req);
+ size -= t;
+ next += t;
+ }
+
+ return PAGE_SIZE - size;
+}
+
+static ssize_t
+set_b_bus_req(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ci_hdrc *ci = dev_get_drvdata(dev);
+
+ if (count 2)
+ return -1;
+
+
