aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/touchscreen/atmel_mxt_ts.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen/atmel_mxt_ts.c')
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c202
1 files changed, 118 insertions, 84 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 1e61387c73ca..f5d66859f232 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -48,41 +48,47 @@
#define MXT_OBJECT_SIZE 6
/* Object types */
-#define MXT_DEBUG_DIAGNOSTIC 37
-#define MXT_GEN_MESSAGE 5
-#define MXT_GEN_COMMAND 6
-#define MXT_GEN_POWER 7
-#define MXT_GEN_ACQUIRE 8
-#define MXT_TOUCH_MULTI 9
-#define MXT_TOUCH_KEYARRAY 15
-#define MXT_TOUCH_PROXIMITY 23
-#define MXT_PROCI_GRIPFACE 20
-#define MXT_PROCG_NOISE 22
-#define MXT_PROCI_ONETOUCH 24
-#define MXT_PROCI_TWOTOUCH 27
-#define MXT_PROCI_GRIP 40
-#define MXT_PROCI_PALM 41
-#define MXT_SPT_COMMSCONFIG 18
-#define MXT_SPT_GPIOPWM 19
-#define MXT_SPT_SELFTEST 25
-#define MXT_SPT_CTECONFIG 28
-#define MXT_SPT_USERDATA 38
-#define MXT_SPT_DIGITIZER 43
-#define MXT_SPT_MESSAGECOUNT 44
-
-/* MXT_GEN_COMMAND field */
+#define MXT_DEBUG_DIAGNOSTIC_T37 37
+#define MXT_GEN_MESSAGE_T5 5
+#define MXT_GEN_COMMAND_T6 6
+#define MXT_GEN_POWER_T7 7
+#define MXT_GEN_ACQUIRE_T8 8
+#define MXT_GEN_DATASOURCE_T53 53
+#define MXT_TOUCH_MULTI_T9 9
+#define MXT_TOUCH_KEYARRAY_T15 15
+#define MXT_TOUCH_PROXIMITY_T23 23
+#define MXT_TOUCH_PROXKEY_T52 52
+#define MXT_PROCI_GRIPFACE_T20 20
+#define MXT_PROCG_NOISE_T22 22
+#define MXT_PROCI_ONETOUCH_T24 24
+#define MXT_PROCI_TWOTOUCH_T27 27
+#define MXT_PROCI_GRIP_T40 40
+#define MXT_PROCI_PALM_T41 41
+#define MXT_PROCI_TOUCHSUPPRESSION_T42 42
+#define MXT_PROCI_STYLUS_T47 47
+#define MXT_PROCG_NOISESUPPRESSION_T48 48
+#define MXT_SPT_COMMSCONFIG_T18 18
+#define MXT_SPT_GPIOPWM_T19 19
+#define MXT_SPT_SELFTEST_T25 25
+#define MXT_SPT_CTECONFIG_T28 28
+#define MXT_SPT_USERDATA_T38 38
+#define MXT_SPT_DIGITIZER_T43 43
+#define MXT_SPT_MESSAGECOUNT_T44 44
+#define MXT_SPT_CTECONFIG_T46 46
+
+/* MXT_GEN_COMMAND_T6 field */
#define MXT_COMMAND_RESET 0
#define MXT_COMMAND_BACKUPNV 1
#define MXT_COMMAND_CALIBRATE 2
#define MXT_COMMAND_REPORTALL 3
#define MXT_COMMAND_DIAGNOSTIC 5
-/* MXT_GEN_POWER field */
+/* MXT_GEN_POWER_T7 field */
#define MXT_POWER_IDLEACQINT 0
#define MXT_POWER_ACTVACQINT 1
#define MXT_POWER_ACTV2IDLETO 2
-/* MXT_GEN_ACQUIRE field */
+/* MXT_GEN_ACQUIRE_T8 field */
#define MXT_ACQUIRE_CHRGTIME 0
#define MXT_ACQUIRE_TCHDRIFT 2
#define MXT_ACQUIRE_DRIFTST 3
@@ -91,7 +97,7 @@
#define MXT_ACQUIRE_ATCHCALST 6
#define MXT_ACQUIRE_ATCHCALSTHR 7
-/* MXT_TOUCH_MULTI field */
+/* MXT_TOUCH_MULTI_T9 field */
#define MXT_TOUCH_CTRL 0
#define MXT_TOUCH_XORIGIN 1
#define MXT_TOUCH_YORIGIN 2
@@ -121,7 +127,7 @@
#define MXT_TOUCH_YEDGEDIST 29
#define MXT_TOUCH_JUMPLIMIT 30
-/* MXT_PROCI_GRIPFACE field */
+/* MXT_PROCI_GRIPFACE_T20 field */
#define MXT_GRIPFACE_CTRL 0
#define MXT_GRIPFACE_XLOGRIP 1
#define MXT_GRIPFACE_XHIGRIP 2
@@ -151,11 +157,11 @@
#define MXT_NOISE_FREQ4 15
#define MXT_NOISE_IDLEGCAFVALID 16
-/* MXT_SPT_COMMSCONFIG */
+/* MXT_SPT_COMMSCONFIG_T18 */
#define MXT_COMMS_CTRL 0
#define MXT_COMMS_CMD 1
-/* MXT_SPT_CTECONFIG field */
+/* MXT_SPT_CTECONFIG_T28 field */
#define MXT_CTE_CTRL 0
#define MXT_CTE_CMD 1
#define MXT_CTE_MODE 2
@@ -166,7 +172,7 @@
#define MXT_VOLTAGE_DEFAULT 2700000
#define MXT_VOLTAGE_STEP 10000
-/* Define for MXT_GEN_COMMAND */
+/* Define for MXT_GEN_COMMAND_T6 */
#define MXT_BOOT_VALUE 0xa5
#define MXT_BACKUP_VALUE 0x55
#define MXT_BACKUP_TIME 25 /* msec */
@@ -238,6 +244,7 @@ struct mxt_finger {
int x;
int y;
int area;
+ int pressure;
};
/* Each client has this additional data */
@@ -256,24 +263,31 @@ struct mxt_data {
static bool mxt_object_readable(unsigned int type)
{
switch (type) {
- case MXT_GEN_MESSAGE:
- case MXT_GEN_COMMAND:
- case MXT_GEN_POWER:
- case MXT_GEN_ACQUIRE:
- case MXT_TOUCH_MULTI:
- case MXT_TOUCH_KEYARRAY:
- case MXT_TOUCH_PROXIMITY:
- case MXT_PROCI_GRIPFACE:
- case MXT_PROCG_NOISE:
- case MXT_PROCI_ONETOUCH:
- case MXT_PROCI_TWOTOUCH:
- case MXT_PROCI_GRIP:
- case MXT_PROCI_PALM:
- case MXT_SPT_COMMSCONFIG:
- case MXT_SPT_GPIOPWM:
- case MXT_SPT_SELFTEST:
- case MXT_SPT_CTECONFIG:
- case MXT_SPT_USERDATA:
+ case MXT_GEN_MESSAGE_T5:
+ case MXT_GEN_COMMAND_T6:
+ case MXT_GEN_POWER_T7:
+ case MXT_GEN_ACQUIRE_T8:
+ case MXT_GEN_DATASOURCE_T53:
+ case MXT_TOUCH_MULTI_T9:
+ case MXT_TOUCH_KEYARRAY_T15:
+ case MXT_TOUCH_PROXIMITY_T23:
+ case MXT_TOUCH_PROXKEY_T52:
+ case MXT_PROCI_GRIPFACE_T20:
+ case MXT_PROCG_NOISE_T22:
+ case MXT_PROCI_ONETOUCH_T24:
+ case MXT_PROCI_TWOTOUCH_T27:
+ case MXT_PROCI_GRIP_T40:
+ case MXT_PROCI_PALM_T41:
+ case MXT_PROCI_TOUCHSUPPRESSION_T42:
+ case MXT_PROCI_STYLUS_T47:
+ case MXT_PROCG_NOISESUPPRESSION_T48:
+ case MXT_SPT_COMMSCONFIG_T18:
+ case MXT_SPT_GPIOPWM_T19:
+ case MXT_SPT_SELFTEST_T25:
+ case MXT_SPT_CTECONFIG_T28:
+ case MXT_SPT_USERDATA_T38:
+ case MXT_SPT_DIGITIZER_T43:
+ case MXT_SPT_CTECONFIG_T46:
return true;
default:
return false;
@@ -283,21 +297,28 @@ static bool mxt_object_readable(unsigned int type)
static bool mxt_object_writable(unsigned int type)
{
switch (type) {
- case MXT_GEN_COMMAND:
- case MXT_GEN_POWER:
- case MXT_GEN_ACQUIRE:
- case MXT_TOUCH_MULTI:
- case MXT_TOUCH_KEYARRAY:
- case MXT_TOUCH_PROXIMITY:
- case MXT_PROCI_GRIPFACE:
- case MXT_PROCG_NOISE:
- case MXT_PROCI_ONETOUCH:
- case MXT_PROCI_TWOTOUCH:
- case MXT_PROCI_GRIP:
- case MXT_PROCI_PALM:
- case MXT_SPT_GPIOPWM:
- case MXT_SPT_SELFTEST:
- case MXT_SPT_CTECONFIG:
+ case MXT_GEN_COMMAND_T6:
+ case MXT_GEN_POWER_T7:
+ case MXT_GEN_ACQUIRE_T8:
+ case MXT_TOUCH_MULTI_T9:
+ case MXT_TOUCH_KEYARRAY_T15:
+ case MXT_TOUCH_PROXIMITY_T23:
+ case MXT_TOUCH_PROXKEY_T52:
+ case MXT_PROCI_GRIPFACE_T20:
+ case MXT_PROCG_NOISE_T22:
+ case MXT_PROCI_ONETOUCH_T24:
+ case MXT_PROCI_TWOTOUCH_T27:
+ case MXT_PROCI_GRIP_T40:
+ case MXT_PROCI_PALM_T41:
+ case MXT_PROCI_TOUCHSUPPRESSION_T42:
+ case MXT_PROCI_STYLUS_T47:
+ case MXT_PROCG_NOISESUPPRESSION_T48:
+ case MXT_SPT_COMMSCONFIG_T18:
+ case MXT_SPT_GPIOPWM_T19:
+ case MXT_SPT_SELFTEST_T25:
+ case MXT_SPT_CTECONFIG_T28:
+ case MXT_SPT_DIGITIZER_T43:
+ case MXT_SPT_CTECONFIG_T46:
return true;
default:
return false;
@@ -455,7 +476,7 @@ static int mxt_read_message(struct mxt_data *data,
struct mxt_object *object;
u16 reg;
- object = mxt_get_object(data, MXT_GEN_MESSAGE);
+ object = mxt_get_object(data, MXT_GEN_MESSAGE_T5);
if (!object)
return -EINVAL;
@@ -516,6 +537,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
finger[id].x);
input_report_abs(input_dev, ABS_MT_POSITION_Y,
finger[id].y);
+ input_report_abs(input_dev, ABS_MT_PRESSURE,
+ finger[id].pressure);
} else {
finger[id].status = 0;
}
@@ -526,6 +549,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
if (status != MXT_RELEASE) {
input_report_abs(input_dev, ABS_X, finger[single_id].x);
input_report_abs(input_dev, ABS_Y, finger[single_id].y);
+ input_report_abs(input_dev,
+ ABS_PRESSURE, finger[single_id].pressure);
}
input_sync(input_dev);
@@ -540,6 +565,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
int x;
int y;
int area;
+ int pressure;
/* Check the touch is present on the screen */
if (!(status & MXT_DETECT)) {
@@ -564,6 +590,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
y = y >> 2;
area = message->message[4];
+ pressure = message->message[5];
dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
status & MXT_MOVE ? "moved" : "pressed",
@@ -574,6 +601,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
finger[id].x = x;
finger[id].y = y;
finger[id].area = area;
+ finger[id].pressure = pressure;
mxt_input_report(data, id);
}
@@ -597,8 +625,8 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id)
reportid = message.reportid;
- /* whether reportid is thing of MXT_TOUCH_MULTI */
- object = mxt_get_object(data, MXT_TOUCH_MULTI);
+ /* whether reportid is thing of MXT_TOUCH_MULTI_T9 */
+ object = mxt_get_object(data, MXT_TOUCH_MULTI_T9);
if (!object)
goto end;
@@ -635,7 +663,9 @@ static int mxt_check_reg_init(struct mxt_data *data)
if (!mxt_object_writable(object->type))
continue;
- for (j = 0; j < object->size + 1; j++) {
+ for (j = 0;
+ j < (object->size + 1) * (object->instances + 1);
+ j++) {
config_offset = index + j;
if (config_offset > pdata->config_length) {
dev_err(dev, "Not enough config data!\n");
@@ -644,7 +674,7 @@ static int mxt_check_reg_init(struct mxt_data *data)
mxt_write_object(data, object->type, j,
pdata->config[config_offset]);
}
- index += object->size + 1;
+ index += (object->size + 1) * (object->instances + 1);
}
return 0;
@@ -678,31 +708,31 @@ static void mxt_handle_pdata(struct mxt_data *data)
u8 voltage;
/* Set touchscreen lines */
- mxt_write_object(data, MXT_TOUCH_MULTI, MXT_TOUCH_XSIZE,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_XSIZE,
pdata->x_line);
- mxt_write_object(data, MXT_TOUCH_MULTI, MXT_TOUCH_YSIZE,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_YSIZE,
pdata->y_line);
/* Set touchscreen orient */
- mxt_write_object(data, MXT_TOUCH_MULTI, MXT_TOUCH_ORIENT,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_TOUCH_ORIENT,
pdata->orient);
/* Set touchscreen burst length */
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_BLEN, pdata->blen);
/* Set touchscreen threshold */
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_TCHTHR, pdata->threshold);
/* Set touchscreen resolution */
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_XRANGE_LSB, (pdata->x_size - 1) & 0xff);
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_XRANGE_MSB, (pdata->x_size - 1) >> 8);
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_YRANGE_LSB, (pdata->y_size - 1) & 0xff);
- mxt_write_object(data, MXT_TOUCH_MULTI,
+ mxt_write_object(data, MXT_TOUCH_MULTI_T9,
MXT_TOUCH_YRANGE_MSB, (pdata->y_size - 1) >> 8);
/* Set touchscreen voltage */
@@ -715,7 +745,7 @@ static void mxt_handle_pdata(struct mxt_data *data)
voltage = (pdata->voltage - MXT_VOLTAGE_DEFAULT) /
MXT_VOLTAGE_STEP;
- mxt_write_object(data, MXT_SPT_CTECONFIG,
+ mxt_write_object(data, MXT_SPT_CTECONFIG_T28,
MXT_CTE_VOLTAGE, voltage);
}
}
@@ -819,13 +849,13 @@ static int mxt_initialize(struct mxt_data *data)
mxt_handle_pdata(data);
/* Backup to memory */
- mxt_write_object(data, MXT_GEN_COMMAND,
+ mxt_write_object(data, MXT_GEN_COMMAND_T6,
MXT_COMMAND_BACKUPNV,
MXT_BACKUP_VALUE);
msleep(MXT_BACKUP_TIME);
/* Soft reset */
- mxt_write_object(data, MXT_GEN_COMMAND,
+ mxt_write_object(data, MXT_GEN_COMMAND_T6,
MXT_COMMAND_RESET, 1);
msleep(MXT_RESET_TIME);
@@ -921,7 +951,7 @@ static int mxt_load_fw(struct device *dev, const char *fn)
}
/* Change to the bootloader mode */
- mxt_write_object(data, MXT_GEN_COMMAND,
+ mxt_write_object(data, MXT_GEN_COMMAND_T6,
MXT_COMMAND_RESET, MXT_BOOT_VALUE);
msleep(MXT_RESET_TIME);
@@ -1027,14 +1057,14 @@ static void mxt_start(struct mxt_data *data)
{
/* Touch enable */
mxt_write_object(data,
- MXT_TOUCH_MULTI, MXT_TOUCH_CTRL, 0x83);
+ MXT_TOUCH_MULTI_T9, MXT_TOUCH_CTRL, 0x83);
}
static void mxt_stop(struct mxt_data *data)
{
/* Touch disable */
mxt_write_object(data,
- MXT_TOUCH_MULTI, MXT_TOUCH_CTRL, 0);
+ MXT_TOUCH_MULTI_T9, MXT_TOUCH_CTRL, 0);
}
static int mxt_input_open(struct input_dev *dev)
@@ -1094,6 +1124,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
0, data->max_x, 0, 0);
input_set_abs_params(input_dev, ABS_Y,
0, data->max_y, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE,
+ 0, 255, 0, 0);
/* For multi touch */
input_mt_init_slots(input_dev, MXT_MAX_FINGER);
@@ -1103,6 +1135,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
0, data->max_x, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
0, data->max_y, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_PRESSURE,
+ 0, 255, 0, 0);
input_set_drvdata(input_dev, data);
i2c_set_clientdata(client, data);
@@ -1182,7 +1216,7 @@ static int mxt_resume(struct device *dev)
struct input_dev *input_dev = data->input_dev;
/* Soft reset */
- mxt_write_object(data, MXT_GEN_COMMAND,
+ mxt_write_object(data, MXT_GEN_COMMAND_T6,
MXT_COMMAND_RESET, 1);
msleep(MXT_RESET_TIME);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 16:41:53 +0000