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HID: wacom: Centralize Intuos pen packet decoding
Continue to slim down 'wacom_intuos_irq' by moving all decoding and reporting of pen packet data into the 'wacom_intuos_general' function. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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c7f0522a1a
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16e0a6a0d2
1 changed files with 54 additions and 51 deletions
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@ -880,13 +880,28 @@ static int wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
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return 0;
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}
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static void wacom_intuos_general(struct wacom_wac *wacom)
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static int wacom_intuos_general(struct wacom_wac *wacom)
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{
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struct wacom_features *features = &wacom->features;
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unsigned char *data = wacom->data;
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struct input_dev *input = wacom->pen_input;
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int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
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unsigned int t;
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if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
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data[0] != WACOM_REPORT_INTUOS_PEN)
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return 0;
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if (features->type >= INTUOS3S) {
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input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
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input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
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input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
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} else {
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input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
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input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
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input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
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}
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/* general pen packet */
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if ((data[1] & 0xb8) == 0xa0) {
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t = (data[6] << 2) | ((data[7] >> 6) & 3);
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@ -912,55 +927,6 @@ static void wacom_intuos_general(struct wacom_wac *wacom)
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(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
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input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
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}
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}
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static int wacom_intuos_irq(struct wacom_wac *wacom)
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{
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struct wacom_features *features = &wacom->features;
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unsigned char *data = wacom->data;
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struct input_dev *input = wacom->pen_input;
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unsigned int t;
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int idx = 0, result;
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if (data[0] != WACOM_REPORT_PENABLED &&
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data[0] != WACOM_REPORT_INTUOSREAD &&
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data[0] != WACOM_REPORT_INTUOSWRITE &&
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data[0] != WACOM_REPORT_INTUOSPAD &&
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data[0] != WACOM_REPORT_INTUOS_PEN &&
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data[0] != WACOM_REPORT_CINTIQ &&
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data[0] != WACOM_REPORT_CINTIQPAD &&
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data[0] != WACOM_REPORT_INTUOS5PAD) {
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dev_dbg(input->dev.parent,
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"%s: received unknown report #%d\n", __func__, data[0]);
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return 0;
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}
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/* tool number */
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if (features->type == INTUOS)
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idx = data[1] & 0x01;
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/* process pad events */
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result = wacom_intuos_pad(wacom);
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if (result)
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return result;
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/* process in/out prox events */
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result = wacom_intuos_inout(wacom);
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if (result)
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return result - 1;
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if (features->type >= INTUOS3S) {
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input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
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input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
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input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
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} else {
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input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
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input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
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input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
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}
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/* process general packets */
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wacom_intuos_general(wacom);
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/* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
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if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
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@ -1036,7 +1002,44 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
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input_report_key(input, wacom->tool[idx], 1);
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input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
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wacom->reporting_data = true;
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return 1;
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return 2;
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}
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static int wacom_intuos_irq(struct wacom_wac *wacom)
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{
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unsigned char *data = wacom->data;
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struct input_dev *input = wacom->pen_input;
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int result;
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if (data[0] != WACOM_REPORT_PENABLED &&
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data[0] != WACOM_REPORT_INTUOSREAD &&
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data[0] != WACOM_REPORT_INTUOSWRITE &&
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data[0] != WACOM_REPORT_INTUOSPAD &&
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data[0] != WACOM_REPORT_INTUOS_PEN &&
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data[0] != WACOM_REPORT_CINTIQ &&
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data[0] != WACOM_REPORT_CINTIQPAD &&
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data[0] != WACOM_REPORT_INTUOS5PAD) {
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dev_dbg(input->dev.parent,
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"%s: received unknown report #%d\n", __func__, data[0]);
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return 0;
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}
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/* process pad events */
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result = wacom_intuos_pad(wacom);
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if (result)
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return result;
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/* process in/out prox events */
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result = wacom_intuos_inout(wacom);
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if (result)
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return result - 1;
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/* process general packets */
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result = wacom_intuos_general(wacom);
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if (result)
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return result - 1;
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return 0;
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}
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static int int_dist(int x1, int y1, int x2, int y2)
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