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Input: sentelic - report device's production serial number

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Hardware since Cx supports an unique identity (used to identify OEM vendors
and released lot number) which is very helpful for diagnostic purpose.
This revision tries to make it as a part of driver boot up message.

Whilst here, also bumping fsp_drv_ver to acknowledge recent addition of
absolute coordinates output.

Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Tai-hwa Liang 2012-05-07 08:45:58 -07:00 committed by Dmitry Torokhov
parent 9ac7b1a36c
commit d3132c5c95
2 changed files with 38 additions and 4 deletions
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34
drivers/input/mouse/sentelic.c
View File

@ -41,7 +41,7 @@
#define GET_ABS_Y(packet) ((packet[2] << 2) | (packet[3] & 0x03)) #define GET_ABS_Y(packet) ((packet[2] << 2) | (packet[3] & 0x03))
/** Driver version. */ /** Driver version. */
static const char fsp_drv_ver[] = "1.0.0-K"; static const char fsp_drv_ver[] = "1.1.0-K";
/* /*
* Make sure that the value being sent to FSP will not conflict with * Make sure that the value being sent to FSP will not conflict with
@ -303,6 +303,27 @@ static int fsp_get_revision(struct psmouse *psmouse, int *rev)
return 0; return 0;
} }
static int fsp_get_sn(struct psmouse *psmouse, int *sn)
{
int v0, v1, v2;
int rc = -EIO;
/* production number since Cx is available at: 0x0b40 ~ 0x0b42 */
if (fsp_page_reg_write(psmouse, FSP_PAGE_0B))
goto out;
if (fsp_reg_read(psmouse, FSP_REG_SN0, &v0))
goto out;
if (fsp_reg_read(psmouse, FSP_REG_SN1, &v1))
goto out;
if (fsp_reg_read(psmouse, FSP_REG_SN2, &v2))
goto out;
*sn = (v0 << 16) | (v1 << 8) | v2;
rc = 0;
out:
fsp_page_reg_write(psmouse, FSP_PAGE_DEFAULT);
return rc;
}
static int fsp_get_buttons(struct psmouse *psmouse, int *btn) static int fsp_get_buttons(struct psmouse *psmouse, int *btn)
{ {
static const int buttons[] = { static const int buttons[] = {
@ -1000,16 +1021,21 @@ static int fsp_reconnect(struct psmouse *psmouse)
int fsp_init(struct psmouse *psmouse) int fsp_init(struct psmouse *psmouse)
{ {
struct fsp_data *priv; struct fsp_data *priv;
int ver, rev; int ver, rev, sn = 0;
int error; int error;
if (fsp_get_version(psmouse, &ver) || if (fsp_get_version(psmouse, &ver) ||
fsp_get_revision(psmouse, &rev)) { fsp_get_revision(psmouse, &rev)) {
return -ENODEV; return -ENODEV;
} }
if (ver >= FSP_VER_STL3888_C0) {
/* firmware information is only available since C0 */
fsp_get_sn(psmouse, &sn);
}
psmouse_info(psmouse, "Finger Sensing Pad, hw: %d.%d.%d, sw: %s\n", psmouse_info(psmouse,
ver >> 4, ver & 0x0F, rev, fsp_drv_ver); "Finger Sensing Pad, hw: %d.%d.%d, sn: %x, sw: %s\n",
ver >> 4, ver & 0x0F, rev, sn, fsp_drv_ver);
psmouse->private = priv = kzalloc(sizeof(struct fsp_data), GFP_KERNEL); psmouse->private = priv = kzalloc(sizeof(struct fsp_data), GFP_KERNEL);
if (!priv) if (!priv)

8
drivers/input/mouse/sentelic.h
View File

@ -65,6 +65,14 @@
#define FSP_BIT_SWC1_GST_GRP1 BIT(6) #define FSP_BIT_SWC1_GST_GRP1 BIT(6)
#define FSP_BIT_SWC1_BX_COMPAT BIT(7) #define FSP_BIT_SWC1_BX_COMPAT BIT(7)
#define FSP_PAGE_0B (0x0b)
#define FSP_PAGE_82 (0x82)
#define FSP_PAGE_DEFAULT FSP_PAGE_82
#define FSP_REG_SN0 (0x40)
#define FSP_REG_SN1 (0x41)
#define FSP_REG_SN2 (0x42)
/* Finger-sensing Pad packet formating related definitions */ /* Finger-sensing Pad packet formating related definitions */
/* absolute packet type */ /* absolute packet type */