Let hid-penmount retrieve the device version using feature report.
Signed-off-by: John Sung <penmount.touch@xxxxxxxxx>
---
drivers/hid/hid-penmount.c | 112 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 112 insertions(+)
diff --git a/drivers/hid/hid-penmount.c b/drivers/hid/hid-penmount.c
index 68c5721..4fd14c8 100644
--- a/drivers/hid/hid-penmount.c
+++ b/drivers/hid/hid-penmount.c
@@ -24,6 +24,8 @@
#define PM_MAX_CONTACT 10
#define PM_DEF_CONTACT_PCI 5
#define PM_DEF_CONTACT_6000 1
+#define PM_HID_REPORT_SIZE 5
+#define PM_HID_REPORT_ID 0x00
struct mt_slot {
unsigned char id;
@@ -39,8 +41,117 @@ struct penmount {
unsigned char maxcontacts;
struct mt_slot slots[PM_MAX_CONTACT];
struct mt_slot curdata;
+ char version[32];
};
+static int penmount_hid_setreport(struct penmount *pm, unsigned char *cmd)
+{
+
+ int ret = 0;
+ unsigned char report[PM_HID_REPORT_SIZE+1] = { PM_HID_REPORT_ID,
+ cmd[0], cmd[1], cmd[2], cmd[3], cmd[4] };
+
+ ret = hid_hw_raw_request(pm->hid, PM_HID_REPORT_ID, report,
+ PM_HID_REPORT_SIZE+1, HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ if (ret < 0)
+ hid_err(pm->hid, "Failed to set feature report !\n");
+
+ return ret;
+}
+
+static int penmount_hid_getreport(struct penmount *pm, unsigned char *ack)
+{
+ int ret = 0;
+ int i = 0;
+ unsigned char report[PM_HID_REPORT_SIZE+1] = { PM_HID_REPORT_ID,
+ 0, 0, 0, 0, 0 };
+
+ ret = hid_hw_raw_request(pm->hid, PM_HID_REPORT_ID, report,
+ PM_HID_REPORT_SIZE+1, HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
+ if (ret < 0) {
+ hid_err(pm->hid, "Failed to get feature report !\n");
+ return ret;
+ }
+
+ for (i = 0; i < PM_HID_REPORT_SIZE; i++)
+ ack[i] = report[i+1];
+
+ return ret;
+}
+
+static int penmount_get_version(struct penmount *pm)
+{
+ int ret = 0;
+ unsigned short product_version = 0;
+ unsigned char major_version = 0;
+ unsigned char minor_version = 0;
+ unsigned char build_version = 0;
+ unsigned char odm_version = 0;
+ unsigned char cmd[PM_HID_REPORT_SIZE] = { 0xEE, 0, 0, 0, 0 };
+ unsigned char ack[PM_HID_REPORT_SIZE] = { 0, 0, 0, 0, 0 };
+
+ ret = penmount_hid_setreport(pm, cmd);
+ if (ret < 0) {
+ hid_warn(pm->hid, "Failed to get firmware version !");
+ return ret;
+ }
+
+ ret = penmount_hid_getreport(pm, ack);
+ if (ret < 0) {
+ hid_warn(pm->hid, "Failed to get firmware version !");
+ return ret;
+ }
+
+ switch (pm->model) {
+ case USB_DEVICE_ID_PENMOUNT_PCI:
+ product_version = (ack[2] * 256 + ack[1]) & 0x7FFF;
+ major_version = ack[3];
+ break;
+ case USB_DEVICE_ID_PENMOUNT_6000:
+ product_version = ack[1] * 256 + ack[2];
+ major_version = ack[4];
+ break;
+ }
+
+ cmd[0] = 0xED;
+ ret = penmount_hid_setreport(pm, cmd);
+ if (ret < 0) {
+ hid_warn(pm->hid, "Failed to get firmware version !");
+ return ret;
+ }
+
+ ret = penmount_hid_getreport(pm, ack);
+ if (ret < 0) {
+ hid_warn(pm->hid, "Failed to get firmware version !");
+ return ret;
+ }
+
+ switch (pm->model) {
+ case USB_DEVICE_ID_PENMOUNT_PCI:
+ minor_version = ack[1];
+ odm_version = ack[2];
+ build_version = ack[3];
+ break;
+ case USB_DEVICE_ID_PENMOUNT_6000:
+ minor_version = ack[2];
+ build_version = ack[4];
+ break;
+ }
+
+ if (!odm_version) {
+ sprintf(pm->version, "%d.%d.%d.%d", product_version,
+ major_version, minor_version, build_version);
+ } else {
+ sprintf(pm->version, "%d.D%02X.%d.%d.%d", product_version,
+ odm_version, major_version, minor_version,
+ build_version);
+ }
+
+ hid_info(pm->hid, "Firmware version %s\n", pm->version);
+
+ return ret;
+}
+
static void penmount_send_event(struct penmount *pm)
{
int i;
@@ -245,6 +356,7 @@ static int penmount_probe(struct hid_device *hdev,
set_bit(INPUT_PROP_DIRECT, hidinput->input->propbit);
}
+ penmount_get_version(pm);
hid_info(hdev, "Device supports %d touch contacts !\n",
pm->maxcontacts);
return ret;
--
1.7.9.5
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