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Input: ALPS - make Rushmore a separate protocol 

Even though Rushmore is very close to V3 protocol it is sufficiently
different to warrant it's own protocol name.

Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2015-01-14 10:39:52 -08:00
parent d7c13d3470
commit fb2dd7a61d
2 changed files with 19 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/input/mouse/alps.c
View File

@ -99,7 +99,6 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = {
#define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */
#define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with
6-byte ALPS packet */
#define ALPS_IS_RUSHMORE 0x100 /* device is a rushmore */
#define ALPS_BUTTONPAD 0x200 /* device is a clickpad */
static const struct alps_model_info alps_model_data[] = {
@ -412,7 +411,7 @@ static int alps_process_bitmap(struct alps_data *priv,
(2 * (priv->y_bits - 1));
/* y-bitmap order is reversed, except on rushmore */
if (!(priv->flags & ALPS_IS_RUSHMORE)) {
if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) {
fields->mt[0].y = priv->y_max - fields->mt[0].y;
fields->mt[1].y = priv->y_max - fields->mt[1].y;
}
@ -648,7 +647,8 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
*/
if (f->is_mp) {
fingers = f->fingers;
if (priv->proto_version == ALPS_PROTO_V3) {
if (priv->proto_version == ALPS_PROTO_V3 ||
priv->proto_version == ALPS_PROTO_V3_RUSHMORE) {
if (alps_process_bitmap(priv, f) == 0)
fingers = 0; /* Use st data */
@ -1275,7 +1275,7 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
psmouse->pktcnt - 1,
psmouse->packet[psmouse->pktcnt - 1]);
if (priv->proto_version == ALPS_PROTO_V3 &&
if (priv->proto_version == ALPS_PROTO_V3_RUSHMORE &&
psmouse->pktcnt == psmouse->pktsize) {
/*
* Some Dell boxes, such as Latitude E6440 or E7440
@ -2182,6 +2182,7 @@ static void alps_set_defaults(struct alps_data *priv)
priv->x_max = 1023;
priv->y_max = 767;
break;
case ALPS_PROTO_V3:
priv->hw_init = alps_hw_init_v3;
priv->process_packet = alps_process_packet_v3;
@ -2190,6 +2191,18 @@ static void alps_set_defaults(struct alps_data *priv)
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
break;
case ALPS_PROTO_V3_RUSHMORE:
priv->hw_init = alps_hw_init_rushmore_v3;
priv->process_packet = alps_process_packet_v3;
priv->set_abs_params = alps_set_abs_params_mt;
priv->decode_fields = alps_decode_rushmore;
priv->nibble_commands = alps_v3_nibble_commands;
priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
priv->x_bits = 16;
priv->y_bits = 12;
break;
case ALPS_PROTO_V4:
priv->hw_init = alps_hw_init_v4;
priv->process_packet = alps_process_packet_v4;
@ -2313,15 +2326,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
return 0;
} else if (ec[0] == 0x88 && ec[1] == 0x08) {
priv->proto_version = ALPS_PROTO_V3;
priv->proto_version = ALPS_PROTO_V3_RUSHMORE;
alps_set_defaults(priv);
priv->hw_init = alps_hw_init_rushmore_v3;
priv->decode_fields = alps_decode_rushmore;
priv->x_bits = 16;
priv->y_bits = 12;
priv->flags |= ALPS_IS_RUSHMORE;
/* hack to make addr_command, nibble_command available */
psmouse->private = priv;

1
drivers/input/mouse/alps.h
View File

@ -17,6 +17,7 @@
#define ALPS_PROTO_V1 0x100
#define ALPS_PROTO_V2 0x200
#define ALPS_PROTO_V3 0x300
#define ALPS_PROTO_V3_RUSHMORE 0x310
#define ALPS_PROTO_V4 0x400
#define ALPS_PROTO_V5 0x500
#define ALPS_PROTO_V6 0x600