forked from Minki/linux
Input: ALPS - move pixel and bitmap info into alps_data struct
Newer touchpads use different constants, so make them runtime- configurable. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Tested-by: Dave Turvene <dturvene@dahetral.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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@ -27,12 +27,6 @@
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/*
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* Definitions for ALPS version 3 and 4 command mode protocol
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*/
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#define ALPS_V3_X_MAX 2000
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#define ALPS_V3_Y_MAX 1400
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#define ALPS_BITMAP_X_BITS 15
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#define ALPS_BITMAP_Y_BITS 11
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#define ALPS_CMD_NIBBLE_10 0x01f2
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static const struct alps_nibble_commands alps_v3_nibble_commands[] = {
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@ -269,7 +263,8 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
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* These points are returned in x1, y1, x2, and y2 when the return value
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* is greater than 0.
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*/
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static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
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static int alps_process_bitmap(struct alps_data *priv,
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unsigned int x_map, unsigned int y_map,
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int *x1, int *y1, int *x2, int *y2)
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{
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struct alps_bitmap_point {
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@ -311,7 +306,7 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
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* y bitmap is reversed for what we need (lower positions are in
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* higher bits), so we process from the top end.
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*/
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y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - ALPS_BITMAP_Y_BITS);
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y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - priv->y_bits);
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prev_bit = 0;
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point = &y_low;
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for (i = 0; y_map != 0; i++, y_map <<= 1) {
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@ -357,16 +352,18 @@ static int alps_process_bitmap(unsigned int x_map, unsigned int y_map,
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}
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}
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*x1 = (ALPS_V3_X_MAX * (2 * x_low.start_bit + x_low.num_bits - 1)) /
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(2 * (ALPS_BITMAP_X_BITS - 1));
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*y1 = (ALPS_V3_Y_MAX * (2 * y_low.start_bit + y_low.num_bits - 1)) /
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(2 * (ALPS_BITMAP_Y_BITS - 1));
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*x1 = (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
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(2 * (priv->x_bits - 1));
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*y1 = (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
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(2 * (priv->y_bits - 1));
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if (fingers > 1) {
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*x2 = (ALPS_V3_X_MAX * (2 * x_high.start_bit + x_high.num_bits - 1)) /
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(2 * (ALPS_BITMAP_X_BITS - 1));
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*y2 = (ALPS_V3_Y_MAX * (2 * y_high.start_bit + y_high.num_bits - 1)) /
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(2 * (ALPS_BITMAP_Y_BITS - 1));
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*x2 = (priv->x_max *
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(2 * x_high.start_bit + x_high.num_bits - 1)) /
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(2 * (priv->x_bits - 1));
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*y2 = (priv->y_max *
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(2 * y_high.start_bit + y_high.num_bits - 1)) /
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(2 * (priv->y_bits - 1));
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}
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return fingers;
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@ -484,7 +481,8 @@ static void alps_process_touchpad_packet_v3(struct psmouse *psmouse)
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((packet[2] & 0x7f) << 1) |
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(packet[4] & 0x01);
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bmap_fingers = alps_process_bitmap(x_bitmap, y_bitmap,
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bmap_fingers = alps_process_bitmap(priv,
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x_bitmap, y_bitmap,
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&x1, &y1, &x2, &y2);
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/*
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@ -641,7 +639,7 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
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((priv->multi_data[3] & 0x1f) << 5) |
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(priv->multi_data[1] & 0x1f);
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fingers = alps_process_bitmap(x_bitmap, y_bitmap,
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fingers = alps_process_bitmap(priv, x_bitmap, y_bitmap,
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&x1, &y1, &x2, &y2);
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/* Store MT data.*/
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@ -1414,6 +1412,11 @@ static void alps_set_defaults(struct alps_data *priv)
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priv->mask0 = 0x8f;
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priv->flags = ALPS_DUALPOINT;
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priv->x_max = 2000;
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priv->y_max = 1400;
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priv->x_bits = 15;
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priv->y_bits = 11;
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switch (priv->proto_version) {
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case ALPS_PROTO_V1:
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case ALPS_PROTO_V2:
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@ -1544,15 +1547,15 @@ static void alps_set_abs_params_mt(struct alps_data *priv,
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{
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set_bit(INPUT_PROP_SEMI_MT, dev1->propbit);
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input_mt_init_slots(dev1, 2, 0);
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input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, ALPS_V3_X_MAX, 0, 0);
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input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, ALPS_V3_Y_MAX, 0, 0);
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input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
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input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
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set_bit(BTN_TOOL_DOUBLETAP, dev1->keybit);
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set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit);
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set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
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input_set_abs_params(dev1, ABS_X, 0, ALPS_V3_X_MAX, 0, 0);
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input_set_abs_params(dev1, ABS_Y, 0, ALPS_V3_Y_MAX, 0, 0);
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input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0);
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input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0);
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}
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int alps_init(struct psmouse *psmouse)
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@ -72,6 +72,10 @@ struct alps_nibble_commands {
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* mask0, should match byte0.
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* @mask0: The mask used to check the first byte of the report.
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* @flags: Additional device capabilities (passthrough port, trackstick, etc.).
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* @x_max: Largest possible X position value.
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* @y_max: Largest possible Y position value.
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* @x_bits: Number of X bits in the MT bitmap.
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* @y_bits: Number of Y bits in the MT bitmap.
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* @hw_init: Protocol-specific hardware init function.
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* @process_packet: Protocol-specific function to process a report packet.
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* @set_abs_params: Protocol-specific function to configure the input_dev.
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@ -96,6 +100,10 @@ struct alps_data {
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unsigned char proto_version;
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unsigned char byte0, mask0;
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unsigned char flags;
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int x_max;
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int y_max;
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int x_bits;
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int y_bits;
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int (*hw_init)(struct psmouse *psmouse);
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void (*process_packet)(struct psmouse *psmouse);
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