diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/alps.c | 47 | ||||
| -rw-r--r-- | drivers/input/mouse/alps.h | 8 |
2 files changed, 33 insertions, 22 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index bfc193806fc1..2cd8be774f91 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -27,12 +27,6 @@ /* * Definitions for ALPS version 3 and 4 command mode protocol */ -#define ALPS_V3_X_MAX 2000 -#define ALPS_V3_Y_MAX 1400 - -#define ALPS_BITMAP_X_BITS 15 -#define ALPS_BITMAP_Y_BITS 11 - #define ALPS_CMD_NIBBLE_10 0x01f2 static const struct alps_nibble_commands alps_v3_nibble_commands[] = { @@ -269,7 +263,8 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) * These points are returned in x1, y1, x2, and y2 when the return value * is greater than 0. */ -static int alps_process_bitmap(unsigned int x_map, unsigned int y_map, +static int alps_process_bitmap(struct alps_data *priv, + unsigned int x_map, unsigned int y_map, int *x1, int *y1, int *x2, int *y2) { struct alps_bitmap_point { @@ -311,7 +306,7 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map, * y bitmap is reversed for what we need (lower positions are in * higher bits), so we process from the top end. */ - y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - ALPS_BITMAP_Y_BITS); + y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - priv->y_bits); prev_bit = 0; point = &y_low; for (i = 0; y_map != 0; i++, y_map <<= 1) { @@ -357,16 +352,18 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map, } } - *x1 = (ALPS_V3_X_MAX * (2 * x_low.start_bit + x_low.num_bits - 1)) / - (2 * (ALPS_BITMAP_X_BITS - 1)); - *y1 = (ALPS_V3_Y_MAX * (2 * y_low.start_bit + y_low.num_bits - 1)) / - (2 * (ALPS_BITMAP_Y_BITS - 1)); + *x1 = (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / + (2 * (priv->x_bits - 1)); + *y1 = (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / + (2 * (priv->y_bits - 1)); if (fingers > 1) { - *x2 = (ALPS_V3_X_MAX * (2 * x_high.start_bit + x_high.num_bits - 1)) / - (2 * (ALPS_BITMAP_X_BITS - 1)); - *y2 = (ALPS_V3_Y_MAX * (2 * y_high.start_bit + y_high.num_bits - 1)) / - (2 * (ALPS_BITMAP_Y_BITS - 1)); + *x2 = (priv->x_max * + (2 * x_high.start_bit + x_high.num_bits - 1)) / + (2 * (priv->x_bits - 1)); + *y2 = (priv->y_max * + (2 * y_high.start_bit + y_high.num_bits - 1)) / + (2 * (priv->y_bits - 1)); } return fingers; @@ -484,7 +481,8 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse) ((packet[2] & 0x7f) << 1) | (packet[4] & 0x01); - bmap_fingers = alps_process_bitmap(x_bitmap, y_bitmap, + bmap_fingers = alps_process_bitmap(priv, + x_bitmap, y_bitmap, &x1, &y1, &x2, &y2); /* @@ -641,7 +639,7 @@ static void alps_process_packet_v4(struct psmouse *psmouse) ((priv->multi_data[3] & 0x1f) << 5) | (priv->multi_data[1] & 0x1f); - fingers = alps_process_bitmap(x_bitmap, y_bitmap, + fingers = alps_process_bitmap(priv, x_bitmap, y_bitmap, &x1, &y1, &x2, &y2); /* Store MT data.*/ @@ -1414,6 +1412,11 @@ static void alps_set_defaults(struct alps_data *priv) priv->mask0 = 0x8f; priv->flags = ALPS_DUALPOINT; + priv->x_max = 2000; + priv->y_max = 1400; + priv->x_bits = 15; + priv->y_bits = 11; + switch (priv->proto_version) { case ALPS_PROTO_V1: case ALPS_PROTO_V2: @@ -1544,15 +1547,15 @@ static void alps_set_abs_params_mt(struct alps_data *priv, { set_bit(INPUT_PROP_SEMI_MT, dev1->propbit); input_mt_init_slots(dev1, 2, 0); - input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, ALPS_V3_X_MAX, 0, 0); - input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, ALPS_V3_Y_MAX, 0, 0); + input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); + input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); set_bit(BTN_TOOL_DOUBLETAP, dev1->keybit); set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); set_bit(BTN_TOOL_QUADTAP, dev1->keybit); - input_set_abs_params(dev1, ABS_X, 0, ALPS_V3_X_MAX, 0, 0); - input_set_abs_params(dev1, ABS_Y, 0, ALPS_V3_Y_MAX, 0, 0); + input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); + input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); } int alps_init(struct psmouse *psmouse) diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 0934f8bf7d76..5e638be33dc9 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -72,6 +72,10 @@ struct alps_nibble_commands { * mask0, should match byte0. * @mask0: The mask used to check the first byte of the report. * @flags: Additional device capabilities (passthrough port, trackstick, etc.). + * @x_max: Largest possible X position value. + * @y_max: Largest possible Y position value. + * @x_bits: Number of X bits in the MT bitmap. + * @y_bits: Number of Y bits in the MT bitmap. * @hw_init: Protocol-specific hardware init function. * @process_packet: Protocol-specific function to process a report packet. * @set_abs_params: Protocol-specific function to configure the input_dev. @@ -96,6 +100,10 @@ struct alps_data { unsigned char proto_version; unsigned char byte0, mask0; unsigned char flags; + int x_max; + int y_max; + int x_bits; + int y_bits; int (*hw_init)(struct psmouse *psmouse); void (*process_packet)(struct psmouse *psmouse); |