diff options
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 1072 |
1 files changed, 977 insertions, 95 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 2e300a46055..ef9e0b8a9aa 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -24,8 +24,9 @@ */ #include <linux/module.h> +#include <linux/delay.h> #include <linux/dmi.h> -#include <linux/input.h> +#include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> #include <linux/slab.h> @@ -39,11 +40,32 @@ * Note that newer firmware allows querying device for maximum useable * coordinates. */ +#define XMIN 0 +#define XMAX 6143 +#define YMIN 0 +#define YMAX 6143 #define XMIN_NOMINAL 1472 #define XMAX_NOMINAL 5472 #define YMIN_NOMINAL 1408 #define YMAX_NOMINAL 4448 +/* Size in bits of absolute position values reported by the hardware */ +#define ABS_POS_BITS 13 + +/* + * These values should represent the absolute maximum value that will + * be reported for a positive position value. Some Synaptics firmware + * uses this value to indicate a finger near the edge of the touchpad + * whose precise position cannot be determined. + * + * At least one touchpad is known to report positions in excess of this + * value which are actually negative values truncated to the 13-bit + * reporting range. These values have never been observed to be lower + * than 8184 (i.e. -8), so we treat all values greater than 8176 as + * negative and any other value as positive. + */ +#define X_MAX_POSITIVE 8176 +#define Y_MAX_POSITIVE 8176 /***************************************************************************** * Stuff we need even when we do not want native Synaptics support @@ -95,12 +117,98 @@ void synaptics_reset(struct psmouse *psmouse) } #ifdef CONFIG_MOUSE_PS2_SYNAPTICS +struct min_max_quirk { + const char * const *pnp_ids; + int x_min, x_max, y_min, y_max; +}; + +static const struct min_max_quirk min_max_pnpid_table[] = { + { + (const char * const []){"LEN0033", NULL}, + 1024, 5052, 2258, 4832 + }, + { + (const char * const []){"LEN0035", "LEN0042", NULL}, + 1232, 5710, 1156, 4696 + }, + { + (const char * const []){"LEN0034", "LEN0036", "LEN2002", + "LEN2004", NULL}, + 1024, 5112, 2024, 4832 + }, + { + (const char * const []){"LEN2001", NULL}, + 1024, 5022, 2508, 4832 + }, + { } +}; + +/* This list has been kindly provided by Synaptics. */ +static const char * const topbuttonpad_pnp_ids[] = { + "LEN0017", + "LEN0018", + "LEN0019", + "LEN0023", + "LEN002A", + "LEN002B", + "LEN002C", + "LEN002D", + "LEN002E", + "LEN0033", /* Helix */ + "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ + "LEN0035", /* X240 */ + "LEN0036", /* T440 */ + "LEN0037", + "LEN0038", + "LEN0041", + "LEN0042", /* Yoga */ + "LEN0045", + "LEN0046", + "LEN0047", + "LEN0048", + "LEN0049", + "LEN2000", + "LEN2001", /* Edge E431 */ + "LEN2002", /* Edge E531 */ + "LEN2003", + "LEN2004", /* L440 */ + "LEN2005", + "LEN2006", + "LEN2007", + "LEN2008", + "LEN2009", + "LEN200A", + "LEN200B", + NULL +}; + +static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[]) +{ + int i; + + if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) + for (i = 0; ids[i]; i++) + if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i])) + return true; + + return false; +} /***************************************************************************** * Synaptics communications functions ****************************************************************************/ /* + * Synaptics touchpads report the y coordinate from bottom to top, which is + * opposite from what userspace expects. + * This function is used to invert y before reporting. + */ +static int synaptics_invert_y(int y) +{ + return YMAX_NOMINAL + YMIN_NOMINAL - y; +} + +/* * Send a command to the synpatics touchpad by special commands */ static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) @@ -128,6 +236,35 @@ static int synaptics_model_id(struct psmouse *psmouse) } /* + * Read the board id from the touchpad + * The board id is encoded in the "QUERY MODES" response + */ +static int synaptics_board_id(struct psmouse *psmouse) +{ + struct synaptics_data *priv = psmouse->private; + unsigned char bid[3]; + + if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid)) + return -1; + priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; + return 0; +} + +/* + * Read the firmware id from the touchpad + */ +static int synaptics_firmware_id(struct psmouse *psmouse) +{ + struct synaptics_data *priv = psmouse->private; + unsigned char fwid[3]; + + if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid)) + return -1; + priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2]; + return 0; +} + +/* * Read the capability-bits from the touchpad * see also the SYN_CAP_* macros */ @@ -157,8 +294,8 @@ static int synaptics_capability(struct psmouse *psmouse) if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { - printk(KERN_ERR "Synaptics claims to have extended capabilities," - " but I'm not able to read them.\n"); + psmouse_warn(psmouse, + "device claims to have extended capabilities, but I'm not able to read them.\n"); } else { priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2]; @@ -173,8 +310,8 @@ static int synaptics_capability(struct psmouse *psmouse) if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { - printk(KERN_ERR "Synaptics claims to have extended capability 0x0c," - " but I'm not able to read it.\n"); + psmouse_warn(psmouse, + "device claims to have extended capability 0x0c, but I'm not able to read it.\n"); } else { priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2]; } @@ -204,30 +341,52 @@ static int synaptics_identify(struct psmouse *psmouse) * Read touchpad resolution and maximum reported coordinates * Resolution is left zero if touchpad does not support the query */ + static int synaptics_resolution(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; - unsigned char res[3]; - unsigned char max[3]; + unsigned char resp[3]; + int i; if (SYN_ID_MAJOR(priv->identity) < 4) return 0; - if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, res) == 0) { - if (res[0] != 0 && (res[1] & 0x80) && res[2] != 0) { - priv->x_res = res[0]; /* x resolution in units/mm */ - priv->y_res = res[2]; /* y resolution in units/mm */ + if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { + if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { + priv->x_res = resp[0]; /* x resolution in units/mm */ + priv->y_res = resp[2]; /* y resolution in units/mm */ + } + } + + for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { + if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) { + priv->x_min = min_max_pnpid_table[i].x_min; + priv->x_max = min_max_pnpid_table[i].x_max; + priv->y_min = min_max_pnpid_table[i].y_min; + priv->y_max = min_max_pnpid_table[i].y_max; + return 0; } } if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_DIMENSIONS, max)) { - printk(KERN_ERR "Synaptics claims to have dimensions query," - " but I'm not able to read it.\n"); + if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { + psmouse_warn(psmouse, + "device claims to have max coordinates query, but I'm not able to read it.\n"); + } else { + priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); + priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); + } + } + + if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 && + SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) { + if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { + psmouse_warn(psmouse, + "device claims to have min coordinates query, but I'm not able to read it.\n"); } else { - priv->x_max = (max[0] << 5) | ((max[1] & 0x0f) << 1); - priv->y_max = (max[2] << 5) | ((max[1] & 0xf0) >> 3); + priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); + priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); } } @@ -240,6 +399,10 @@ static int synaptics_query_hardware(struct psmouse *psmouse) return -1; if (synaptics_model_id(psmouse)) return -1; + if (synaptics_firmware_id(psmouse)) + return -1; + if (synaptics_board_id(psmouse)) + return -1; if (synaptics_capability(psmouse)) return -1; if (synaptics_resolution(psmouse)) @@ -248,19 +411,50 @@ static int synaptics_query_hardware(struct psmouse *psmouse) return 0; } -static int synaptics_set_absolute_mode(struct psmouse *psmouse) +static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) +{ + static unsigned char param = 0xc8; + struct synaptics_data *priv = psmouse->private; + + if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) + return 0; + + if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) + return -1; + + if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) + return -1; + + /* Advanced gesture mode also sends multi finger data */ + priv->capabilities |= BIT(1); + + return 0; +} + +static int synaptics_set_mode(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; - priv->mode = SYN_BIT_ABSOLUTE_MODE; - if (SYN_ID_MAJOR(priv->identity) >= 4) + priv->mode = 0; + if (priv->absolute_mode) + priv->mode |= SYN_BIT_ABSOLUTE_MODE; + if (priv->disable_gesture) priv->mode |= SYN_BIT_DISABLE_GESTURE; + if (psmouse->rate >= 80) + priv->mode |= SYN_BIT_HIGH_RATE; if (SYN_CAP_EXTENDED(priv->capabilities)) priv->mode |= SYN_BIT_W_MODE; if (synaptics_mode_cmd(psmouse, priv->mode)) return -1; + if (priv->absolute_mode && + synaptics_set_advanced_gesture_mode(psmouse)) { + psmouse_err(psmouse, "Advanced gesture mode init failed.\n"); + return -1; + } + return 0; } @@ -348,7 +542,8 @@ static void synaptics_pt_activate(struct psmouse *psmouse) priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; if (synaptics_mode_cmd(psmouse, priv->mode)) - printk(KERN_INFO "synaptics: failed to switch guest protocol\n"); + psmouse_warn(psmouse, + "failed to switch guest protocol\n"); } } @@ -358,7 +553,8 @@ static void synaptics_pt_create(struct psmouse *psmouse) serio = kzalloc(sizeof(struct serio), GFP_KERNEL); if (!serio) { - printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n"); + psmouse_err(psmouse, + "not enough memory for pass-through port\n"); return; } @@ -372,7 +568,8 @@ static void synaptics_pt_create(struct psmouse *psmouse) psmouse->pt_activate = synaptics_pt_activate; - printk(KERN_INFO "serio: %s port at %s\n", serio->name, psmouse->phys); + psmouse_info(psmouse, "serio: %s port at %s\n", + serio->name, psmouse->phys); serio_register_port(serio); } @@ -380,19 +577,51 @@ static void synaptics_pt_create(struct psmouse *psmouse) * Functions to interpret the absolute mode packets ****************************************************************************/ -static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw) +static void synaptics_mt_state_set(struct synaptics_mt_state *state, int count, + int sgm, int agm) +{ + state->count = count; + state->sgm = sgm; + state->agm = agm; +} + +static void synaptics_parse_agm(const unsigned char buf[], + struct synaptics_data *priv, + struct synaptics_hw_state *hw) +{ + struct synaptics_hw_state *agm = &priv->agm; + int agm_packet_type; + + agm_packet_type = (buf[5] & 0x30) >> 4; + switch (agm_packet_type) { + case 1: + /* Gesture packet: (x, y, z) half resolution */ + agm->w = hw->w; + agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; + agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; + agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; + break; + + case 2: + /* AGM-CONTACT packet: (count, sgm, agm) */ + synaptics_mt_state_set(&agm->mt_state, buf[1], buf[2], buf[4]); + break; + + default: + break; + } + + /* Record that at least one AGM has been received since last SGM */ + priv->agm_pending = true; +} + +static int synaptics_parse_hw_state(const unsigned char buf[], + struct synaptics_data *priv, + struct synaptics_hw_state *hw) { memset(hw, 0, sizeof(struct synaptics_hw_state)); if (SYN_MODEL_NEWABS(priv->model_id)) { - hw->x = (((buf[3] & 0x10) << 8) | - ((buf[1] & 0x0f) << 8) | - buf[4]); - hw->y = (((buf[3] & 0x20) << 7) | - ((buf[1] & 0xf0) << 4) | - buf[5]); - - hw->z = buf[2]; hw->w = (((buf[0] & 0x30) >> 2) | ((buf[0] & 0x04) >> 1) | ((buf[3] & 0x04) >> 2)); @@ -419,6 +648,21 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; } + if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && + hw->w == 2) { + synaptics_parse_agm(buf, priv, hw); + return 1; + } + + hw->x = (((buf[3] & 0x10) << 8) | + ((buf[1] & 0x0f) << 8) | + buf[4]); + hw->y = (((buf[3] & 0x20) << 7) | + ((buf[1] & 0xf0) << 4) | + buf[5]); + hw->z = buf[2]; + if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && ((buf[0] ^ buf[3]) & 0x02)) { switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { @@ -452,6 +696,460 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data hw->left = (buf[0] & 0x01) ? 1 : 0; hw->right = (buf[0] & 0x02) ? 1 : 0; } + + /* + * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE + * is used by some firmware to indicate a finger at the edge of + * the touchpad whose precise position cannot be determined, so + * convert these values to the maximum axis value. + */ + if (hw->x > X_MAX_POSITIVE) + hw->x -= 1 << ABS_POS_BITS; + else if (hw->x == X_MAX_POSITIVE) + hw->x = XMAX; + + if (hw->y > Y_MAX_POSITIVE) + hw->y -= 1 << ABS_POS_BITS; + else if (hw->y == Y_MAX_POSITIVE) + hw->y = YMAX; + + return 0; +} + +static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, + bool active, int x, int y) +{ + input_mt_slot(dev, slot); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); + if (active) { + input_report_abs(dev, ABS_MT_POSITION_X, x); + input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); + } +} + +static void synaptics_report_semi_mt_data(struct input_dev *dev, + const struct synaptics_hw_state *a, + const struct synaptics_hw_state *b, + int num_fingers) +{ + if (num_fingers >= 2) { + synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), + min(a->y, b->y)); + synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), + max(a->y, b->y)); + } else if (num_fingers == 1) { + synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); + synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); + } else { + synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); + synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); + } +} + +static void synaptics_report_buttons(struct psmouse *psmouse, + const struct synaptics_hw_state *hw) +{ + struct input_dev *dev = psmouse->dev; + struct synaptics_data *priv = psmouse->private; + int i; + + input_report_key(dev, BTN_LEFT, hw->left); + input_report_key(dev, BTN_RIGHT, hw->right); + + if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) + input_report_key(dev, BTN_MIDDLE, hw->middle); + + if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { + input_report_key(dev, BTN_FORWARD, hw->up); + input_report_key(dev, BTN_BACK, hw->down); + } + + for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) + input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i)); +} + +static void synaptics_report_slot(struct input_dev *dev, int slot, + const struct synaptics_hw_state *hw) +{ + input_mt_slot(dev, slot); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, (hw != NULL)); + if (!hw) + return; + + input_report_abs(dev, ABS_MT_POSITION_X, hw->x); + input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(hw->y)); + input_report_abs(dev, ABS_MT_PRESSURE, hw->z); +} + +static void synaptics_report_mt_data(struct psmouse *psmouse, + struct synaptics_mt_state *mt_state, + const struct synaptics_hw_state *sgm) +{ + struct input_dev *dev = psmouse->dev; + struct synaptics_data *priv = psmouse->private; + struct synaptics_hw_state *agm = &priv->agm; + struct synaptics_mt_state *old = &priv->mt_state; + + switch (mt_state->count) { + case 0: + synaptics_report_slot(dev, 0, NULL); + synaptics_report_slot(dev, 1, NULL); + break; + case 1: + if (mt_state->sgm == -1) { + synaptics_report_slot(dev, 0, NULL); + synaptics_report_slot(dev, 1, NULL); + } else if (mt_state->sgm == 0) { + synaptics_report_slot(dev, 0, sgm); + synaptics_report_slot(dev, 1, NULL); + } else { + synaptics_report_slot(dev, 0, NULL); + synaptics_report_slot(dev, 1, sgm); + } + break; + default: + /* + * If the finger slot contained in SGM is valid, and either + * hasn't changed, or is new, or the old SGM has now moved to + * AGM, then report SGM in MTB slot 0. + * Otherwise, empty MTB slot 0. + */ + if (mt_state->sgm != -1 && + (mt_state->sgm == old->sgm || + old->sgm == -1 || mt_state->agm == old->sgm)) + synaptics_report_slot(dev, 0, sgm); + else + synaptics_report_slot(dev, 0, NULL); + + /* + * If the finger slot contained in AGM is valid, and either + * hasn't changed, or is new, then report AGM in MTB slot 1. + * Otherwise, empty MTB slot 1. + * + * However, in the case where the AGM is new, make sure that + * that it is either the same as the old SGM, or there was no + * SGM. + * + * Otherwise, if the SGM was just 1, and the new AGM is 2, then + * the new AGM will keep the old SGM's tracking ID, which can + * cause apparent drumroll. This happens if in the following + * valid finger sequence: + * + * Action SGM AGM (MTB slot:Contact) + * 1. Touch contact 0 (0:0) + * 2. Touch contact 1 (0:0, 1:1) + * 3. Lift contact 0 (1:1) + * 4. Touch contacts 2,3 (0:2, 1:3) + * + * In step 4, contact 3, in AGM must not be given the same + * tracking ID as contact 1 had in step 3. To avoid this, + * the first agm with contact 3 is dropped and slot 1 is + * invalidated (tracking ID = -1). + */ + if (mt_state->agm != -1 && + (mt_state->agm == old->agm || + (old->agm == -1 && + (old->sgm == -1 || mt_state->agm == old->sgm)))) + synaptics_report_slot(dev, 1, agm); + else + synaptics_report_slot(dev, 1, NULL); + break; + } + + /* Don't use active slot count to generate BTN_TOOL events. */ + input_mt_report_pointer_emulation(dev, false); + + /* Send the number of fingers reported by touchpad itself. */ + input_mt_report_finger_count(dev, mt_state->count); + + synaptics_report_buttons(psmouse, sgm); + + input_sync(dev); +} + +/* Handle case where mt_state->count = 0 */ +static void synaptics_image_sensor_0f(struct synaptics_data *priv, + struct synaptics_mt_state *mt_state) +{ + synaptics_mt_state_set(mt_state, 0, -1, -1); + priv->mt_state_lost = false; +} + +/* Handle case where mt_state->count = 1 */ +static void synaptics_image_sensor_1f(struct synaptics_data *priv, + struct synaptics_mt_state *mt_state) +{ + struct synaptics_hw_state *agm = &priv->agm; + struct synaptics_mt_state *old = &priv->mt_state; + + /* + * If the last AGM was (0,0,0), and there is only one finger left, + * then we absolutely know that SGM contains slot 0, and all other + * fingers have been removed. + */ + if (priv->agm_pending && agm->z == 0) { + synaptics_mt_state_set(mt_state, 1, 0, -1); + priv->mt_state_lost = false; + return; + } + + switch (old->count) { + case 0: + synaptics_mt_state_set(mt_state, 1, 0, -1); + break; + case 1: + /* + * If mt_state_lost, then the previous transition was 3->1, + * and SGM now contains either slot 0 or 1, but we don't know + * which. So, we just assume that the SGM now contains slot 1. + * + * If pending AGM and either: + * (a) the previous SGM slot contains slot 0, or + * (b) there was no SGM slot + * then, the SGM now contains slot 1 + * + * Case (a) happens with very rapid "drum roll" gestures, where + * slot 0 finger is lifted and a new slot 1 finger touches + * within one reporting interval. + * + * Case (b) happens if initially two or more fingers tap + * briefly, and all but one lift before the end of the first + * reporting interval. + * + * (In both these cases, slot 0 will becomes empty, so SGM + * contains slot 1 with the new finger) + * + * Else, if there was no previous SGM, it now contains slot 0. + * + * Otherwise, SGM still contains the same slot. + */ + if (priv->mt_state_lost || + (priv->agm_pending && old->sgm <= 0)) + synaptics_mt_state_set(mt_state, 1, 1, -1); + else if (old->sgm == -1) + synaptics_mt_state_set(mt_state, 1, 0, -1); + break; + case 2: + /* + * If mt_state_lost, we don't know which finger SGM contains. + * + * So, report 1 finger, but with both slots empty. + * We will use slot 1 on subsequent 1->1 + */ + if (priv->mt_state_lost) { + synaptics_mt_state_set(mt_state, 1, -1, -1); + break; + } + /* + * Since the last AGM was NOT (0,0,0), it was the finger in + * slot 0 that has been removed. + * So, SGM now contains previous AGM's slot, and AGM is now + * empty. + */ + synaptics_mt_state_set(mt_state, 1, old->agm, -1); + break; + case 3: + /* + * Since last AGM was not (0,0,0), we don't know which finger + * is left. + * + * So, report 1 finger, but with both slots empty. + * We will use slot 1 on subsequent 1->1 + */ + synaptics_mt_state_set(mt_state, 1, -1, -1); + priv->mt_state_lost = true; + break; + case 4: + case 5: + /* mt_state was updated by AGM-CONTACT packet */ + break; + } +} + +/* Handle case where mt_state->count = 2 */ +static void synaptics_image_sensor_2f(struct synaptics_data *priv, + struct synaptics_mt_state *mt_state) +{ + struct synaptics_mt_state *old = &priv->mt_state; + + switch (old->count) { + case 0: + synaptics_mt_state_set(mt_state, 2, 0, 1); + break; + case 1: + /* + * If previous SGM contained slot 1 or higher, SGM now contains + * slot 0 (the newly touching finger) and AGM contains SGM's + * previous slot. + * + * Otherwise, SGM still contains slot 0 and AGM now contains + * slot 1. + */ + if (old->sgm >= 1) + synaptics_mt_state_set(mt_state, 2, 0, old->sgm); + else + synaptics_mt_state_set(mt_state, 2, 0, 1); + break; + case 2: + /* + * If mt_state_lost, SGM now contains either finger 1 or 2, but + * we don't know which. + * So, we just assume that the SGM contains slot 0 and AGM 1. + */ + if (priv->mt_state_lost) + synaptics_mt_state_set(mt_state, 2, 0, 1); + /* + * Otherwise, use the same mt_state, since it either hasn't + * changed, or was updated by a recently received AGM-CONTACT + * packet. + */ + break; + case 3: + /* + * 3->2 transitions have two unsolvable problems: + * 1) no indication is given which finger was removed + * 2) no way to tell if agm packet was for finger 3 + * before 3->2, or finger 2 after 3->2. + * + * So, report 2 fingers, but empty all slots. + * We will guess slots [0,1] on subsequent 2->2. + */ + synaptics_mt_state_set(mt_state, 2, -1, -1); + priv->mt_state_lost = true; + break; + case 4: + case 5: + /* mt_state was updated by AGM-CONTACT packet */ + break; + } +} + +/* Handle case where mt_state->count = 3 */ +static void synaptics_image_sensor_3f(struct synaptics_data *priv, + struct synaptics_mt_state *mt_state) +{ + struct synaptics_mt_state *old = &priv->mt_state; + + switch (old->count) { + case 0: + synaptics_mt_state_set(mt_state, 3, 0, 2); + break; + case 1: + /* + * If previous SGM contained slot 2 or higher, SGM now contains + * slot 0 (one of the newly touching fingers) and AGM contains + * SGM's previous slot. + * + * Otherwise, SGM now contains slot 0 and AGM contains slot 2. + */ + if (old->sgm >= 2) + synaptics_mt_state_set(mt_state, 3, 0, old->sgm); + else + synaptics_mt_state_set(mt_state, 3, 0, 2); + break; + case 2: + /* + * If the AGM previously contained slot 3 or higher, then the + * newly touching finger is in the lowest available slot. + * + * If SGM was previously 1 or higher, then the new SGM is + * now slot 0 (with a new finger), otherwise, the new finger + * is now in a hidden slot between 0 and AGM's slot. + * + * In all such cases, the SGM now contains slot 0, and the AGM + * continues to contain the same slot as before. + */ + if (old->agm >= 3) { + synaptics_mt_state_set(mt_state, 3, 0, old->agm); + break; + } + + /* + * After some 3->1 and all 3->2 transitions, we lose track + * of which slot is reported by SGM and AGM. + * + * For 2->3 in this state, report 3 fingers, but empty all + * slots, and we will guess (0,2) on a subsequent 0->3. + * + * To userspace, the resulting transition will look like: + * 2:[0,1] -> 3:[-1,-1] -> 3:[0,2] + */ + if (priv->mt_state_lost) { + synaptics_mt_state_set(mt_state, 3, -1, -1); + break; + } + + /* + * If the (SGM,AGM) really previously contained slots (0, 1), + * then we cannot know what slot was just reported by the AGM, + * because the 2->3 transition can occur either before or after + * the AGM packet. Thus, this most recent AGM could contain + * either the same old slot 1 or the new slot 2. + * Subsequent AGMs will be reporting slot 2. + * + * To userspace, the resulting transition will look like: + * 2:[0,1] -> 3:[0,-1] -> 3:[0,2] + */ + synaptics_mt_state_set(mt_state, 3, 0, -1); + break; + case 3: + /* + * If, for whatever reason, the previous agm was invalid, + * Assume SGM now contains slot 0, AGM now contains slot 2. + */ + if (old->agm <= 2) + synaptics_mt_state_set(mt_state, 3, 0, 2); + /* + * mt_state either hasn't changed, or was updated by a recently + * received AGM-CONTACT packet. + */ + break; + + case 4: + case 5: + /* mt_state was updated by AGM-CONTACT packet */ + break; + } +} + +/* Handle case where mt_state->count = 4, or = 5 */ +static void synaptics_image_sensor_45f(struct synaptics_data *priv, + struct synaptics_mt_state *mt_state) +{ + /* mt_state was updated correctly by AGM-CONTACT packet */ + priv->mt_state_lost = false; +} + +static void synaptics_image_sensor_process(struct psmouse *psmouse, + struct synaptics_hw_state *sgm) +{ + struct synaptics_data *priv = psmouse->private; + struct synaptics_hw_state *agm = &priv->agm; + struct synaptics_mt_state mt_state; + + /* Initialize using current mt_state (as updated by last agm) */ + mt_state = agm->mt_state; + + /* + * Update mt_state using the new finger count and current mt_state. + */ + if (sgm->z == 0) + synaptics_image_sensor_0f(priv, &mt_state); + else if (sgm->w >= 4) + synaptics_image_sensor_1f(priv, &mt_state); + else if (sgm->w == 0) + synaptics_image_sensor_2f(priv, &mt_state); + else if (sgm->w == 1 && mt_state.count <= 3) + synaptics_image_sensor_3f(priv, &mt_state); + else + synaptics_image_sensor_45f(priv, &mt_state); + + /* Send resulting input events to user space */ + synaptics_report_mt_data(psmouse, &mt_state, sgm); + + /* Store updated mt_state */ + priv->mt_state = agm->mt_state = mt_state; + priv->agm_pending = false; } /* @@ -464,9 +1162,14 @@ static void synaptics_process_packet(struct psmouse *psmouse) struct synaptics_hw_state hw; int num_fingers; int finger_width; - int i; - synaptics_parse_hw_state(psmouse->packet, priv, &hw); + if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) + return; + + if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { + synaptics_image_sensor_process(psmouse, &hw); + return; + } if (hw.scroll) { priv->scroll += hw.scroll; @@ -488,7 +1191,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) return; } - if (hw.z > 0) { + if (hw.z > 0 && hw.x > 1) { num_fingers = 1; finger_width = 5; if (SYN_CAP_EXTENDED(priv->capabilities)) { @@ -512,6 +1215,10 @@ static void synaptics_process_packet(struct psmouse *psmouse) finger_width = 0; } + if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) + synaptics_report_semi_mt_data(dev, &hw, &priv->agm, + num_fingers); + /* Post events * BTN_TOUCH has to be first as mousedev relies on it when doing * absolute -> relative conversion @@ -519,9 +1226,9 @@ static void synaptics_process_packet(struct psmouse *psmouse) if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); - if (hw.z > 0) { + if (num_fingers > 0) { input_report_abs(dev, ABS_X, hw.x); - input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y); + input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); } input_report_abs(dev, ABS_PRESSURE, hw.z); @@ -529,35 +1236,25 @@ static void synaptics_process_packet(struct psmouse *psmouse) input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); - input_report_key(dev, BTN_LEFT, hw.left); - input_report_key(dev, BTN_RIGHT, hw.right); - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); } - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) - input_report_key(dev, BTN_MIDDLE, hw.middle); - - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { - input_report_key(dev, BTN_FORWARD, hw.up); - input_report_key(dev, BTN_BACK, hw.down); - } - - for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) - input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i)); + synaptics_report_buttons(psmouse, &hw); input_sync(dev); } -static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type) +static int synaptics_validate_byte(struct psmouse *psmouse, + int idx, unsigned char pkt_type) { static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; + const char *packet = psmouse->packet; if (idx < 0 || idx > 4) return 0; @@ -575,7 +1272,7 @@ static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned cha return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; default: - printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type); + psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); return 0; } } @@ -585,8 +1282,8 @@ static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) int i; for (i = 0; i < 5; i++) - if (!synaptics_validate_byte(psmouse->packet, i, SYN_NEWABS_STRICT)) { - printk(KERN_INFO "synaptics: using relaxed packet validation\n"); + if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { + psmouse_info(psmouse, "using relaxed packet validation\n"); return SYN_NEWABS_RELAXED; } @@ -611,41 +1308,87 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) return PSMOUSE_FULL_PACKET; } - return synaptics_validate_byte(psmouse->packet, psmouse->pktcnt - 1, priv->pkt_type) ? + return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; } /***************************************************************************** * Driver initialization/cleanup functions ****************************************************************************/ -static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) +static void set_abs_position_params(struct input_dev *dev, + struct synaptics_data *priv, int x_code, + int y_code) { + int x_min = priv->x_min ?: XMIN_NOMINAL; + int x_max = priv->x_max ?: XMAX_NOMINAL; + int y_min = priv->y_min ?: YMIN_NOMINAL; + int y_max = priv->y_max ?: YMAX_NOMINAL; + int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ? + SYN_REDUCED_FILTER_FUZZ : 0; + + input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); + input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); + input_abs_set_res(dev, x_code, priv->x_res); + input_abs_set_res(dev, y_code, priv->y_res); +} + +static void set_input_params(struct psmouse *psmouse, + struct synaptics_data *priv) +{ + struct input_dev *dev = psmouse->dev; int i; + /* Things that apply to both modes */ + __set_bit(INPUT_PROP_POINTER, dev->propbit); + __set_bit(EV_KEY, dev->evbit); + __set_bit(BTN_LEFT, dev->keybit); + __set_bit(BTN_RIGHT, dev->keybit); + + if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) + __set_bit(BTN_MIDDLE, dev->keybit); + + if (!priv->absolute_mode) { + /* Relative mode */ + __set_bit(EV_REL, dev->evbit); + __set_bit(REL_X, dev->relbit); + __set_bit(REL_Y, dev->relbit); + return; + } + + /* Absolute mode */ __set_bit(EV_ABS, dev->evbit); - input_set_abs_params(dev, ABS_X, - XMIN_NOMINAL, priv->x_max ?: XMAX_NOMINAL, 0, 0); - input_set_abs_params(dev, ABS_Y, - YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0); + set_abs_position_params(dev, priv, ABS_X, ABS_Y); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); + if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { + set_abs_position_params(dev, priv, ABS_MT_POSITION_X, + ABS_MT_POSITION_Y); + /* Image sensors can report per-contact pressure */ + input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + input_mt_init_slots(dev, 2, INPUT_MT_POINTER); + + /* Image sensors can signal 4 and 5 finger clicks */ + __set_bit(BTN_TOOL_QUADTAP, dev->keybit); + __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); + } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { + /* Non-image sensors with AGM use semi-mt */ + __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); + input_mt_init_slots(dev, 2, 0); + set_abs_position_params(dev, priv, ABS_MT_POSITION_X, + ABS_MT_POSITION_Y); + } + if (SYN_CAP_PALMDETECT(priv->capabilities)) input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); - __set_bit(EV_KEY, dev->evbit); __set_bit(BTN_TOUCH, dev->keybit); __set_bit(BTN_TOOL_FINGER, dev->keybit); - __set_bit(BTN_LEFT, dev->keybit); - __set_bit(BTN_RIGHT, dev->keybit); if (SYN_CAP_MULTIFINGER(priv->capabilities)) { __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); } - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) - __set_bit(BTN_MIDDLE, dev->keybit); - if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { __set_bit(BTN_FORWARD, dev->keybit); @@ -659,20 +1402,68 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) __clear_bit(REL_X, dev->relbit); __clear_bit(REL_Y, dev->relbit); - input_abs_set_res(dev, ABS_X, priv->x_res); - input_abs_set_res(dev, ABS_Y, priv->y_res); - if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { + __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); + if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids)) + __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); /* Clickpads report only left button */ __clear_bit(BTN_RIGHT, dev->keybit); __clear_bit(BTN_MIDDLE, dev->keybit); } } +static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, + void *data, char *buf) +{ + struct synaptics_data *priv = psmouse->private; + + return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); +} + +static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, + void *data, const char *buf, + size_t len) +{ + struct synaptics_data *priv = psmouse->private; + unsigned int value; + int err; + + err = kstrtouint(buf, 10, &value); + if (err) + return err; + + if (value > 1) + return -EINVAL; + + if (value == priv->disable_gesture) + return len; + + priv->disable_gesture = value; + if (value) + priv->mode |= SYN_BIT_DISABLE_GESTURE; + else + priv->mode &= ~SYN_BIT_DISABLE_GESTURE; + + if (synaptics_mode_cmd(psmouse, priv->mode)) + return -EIO; + + return len; +} + +PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, + synaptics_show_disable_gesture, + synaptics_set_disable_gesture); + static void synaptics_disconnect(struct psmouse *psmouse) { + struct synaptics_data *priv = psmouse->private; + + if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) + device_remove_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_disable_gesture.dattr); + synaptics_reset(psmouse); - kfree(psmouse->private); + kfree(priv); psmouse->private = NULL; } @@ -680,25 +1471,52 @@ static int synaptics_reconnect(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; struct synaptics_data old_priv = *priv; + unsigned char param[2]; + int retry = 0; + int error; - psmouse_reset(psmouse); + do { + psmouse_reset(psmouse); + if (retry) { + /* + * On some boxes, right after resuming, the touchpad + * needs some time to finish initializing (I assume + * it needs time to calibrate) and start responding + * to Synaptics-specific queries, so let's wait a + * bit. + */ + ssleep(1); + } + ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID); + error = synaptics_detect(psmouse, 0); + } while (error && ++retry < 3); - if (synaptics_detect(psmouse, 0)) + if (error) return -1; + if (retry > 1) + psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); + if (synaptics_query_hardware(psmouse)) { - printk(KERN_ERR "Unable to query Synaptics hardware.\n"); + psmouse_err(psmouse, "Unable to query device.\n"); + return -1; + } + + if (synaptics_set_mode(psmouse)) { + psmouse_err(psmouse, "Unable to initialize device.\n"); return -1; } if (old_priv.identity != priv->identity || old_priv.model_id != priv->model_id || old_priv.capabilities != priv->capabilities || - old_priv.ext_cap != priv->ext_cap) - return -1; - - if (synaptics_set_absolute_mode(psmouse)) { - printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); + old_priv.ext_cap != priv->ext_cap) { + psmouse_err(psmouse, + "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", + old_priv.identity, priv->identity, + old_priv.model_id, priv->model_id, + old_priv.capabilities, priv->capabilities, + old_priv.ext_cap, priv->ext_cap); return -1; } @@ -707,7 +1525,7 @@ static int synaptics_reconnect(struct psmouse *psmouse) static bool impaired_toshiba_kbc; -static const struct dmi_system_id __initconst toshiba_dmi_table[] = { +static const struct dmi_system_id toshiba_dmi_table[] __initconst = { #if defined(CONFIG_DMI) && defined(CONFIG_X86) { /* Toshiba Satellite */ @@ -740,18 +1558,47 @@ static const struct dmi_system_id __initconst toshiba_dmi_table[] = { }, }, +#endif { } +}; + +static bool broken_olpc_ec; + +static const struct dmi_system_id olpc_dmi_table[] __initconst = { +#if defined(CONFIG_DMI) && defined(CONFIG_OLPC) + { + /* OLPC XO-1 or XO-1.5 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), + DMI_MATCH(DMI_PRODUCT_NAME, "XO"), + }, + }, #endif + { } }; void __init synaptics_module_init(void) { impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); + broken_olpc_ec = dmi_check_system(olpc_dmi_table); } -int synaptics_init(struct psmouse *psmouse) +static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) { struct synaptics_data *priv; + int err = -1; + + /* + * The OLPC XO has issues with Synaptics' absolute mode; the constant + * packet spew overloads the EC such that key presses on the keyboard + * are missed. Given that, don't even attempt to use Absolute mode. + * Relative mode seems to work just fine. + */ + if (absolute_mode && broken_olpc_ec) { + psmouse_info(psmouse, + "OLPC XO detected, not enabling Synaptics protocol.\n"); + return -ENODEV; + } psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); if (!priv) @@ -760,23 +1607,30 @@ int synaptics_init(struct psmouse *psmouse) psmouse_reset(psmouse); if (synaptics_query_hardware(psmouse)) { - printk(KERN_ERR "Unable to query Synaptics hardware.\n"); + psmouse_err(psmouse, "Unable to query device.\n"); goto init_fail; } - if (synaptics_set_absolute_mode(psmouse)) { - printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); + priv->absolute_mode = absolute_mode; + if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) + priv->disable_gesture = true; + + if (synaptics_set_mode(psmouse)) { + psmouse_err(psmouse, "Unable to initialize device.\n"); goto init_fail; } priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; - printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n", - SYN_ID_MODEL(priv->identity), - SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), - priv->model_id, priv->capabilities, priv->ext_cap, priv->ext_cap_0c); + psmouse_info(psmouse, + "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", + SYN_ID_MODEL(priv->identity), + SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), + priv->model_id, + priv->capabilities, priv->ext_cap, priv->ext_cap_0c, + priv->board_id, priv->firmware_id); - set_input_params(psmouse->dev, priv); + set_input_params(psmouse, priv); /* * Encode touchpad model so that it can be used to set @@ -788,12 +1642,19 @@ int synaptics_init(struct psmouse *psmouse) psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | (priv->model_id & 0x000000ff); - psmouse->protocol_handler = synaptics_process_byte; + if (absolute_mode) { + psmouse->protocol_handler = synaptics_process_byte; + psmouse->pktsize = 6; + } else { + /* Relative mode follows standard PS/2 mouse protocol */ + psmouse->protocol_handler = psmouse_process_byte; + psmouse->pktsize = 3; + } + psmouse->set_rate = synaptics_set_rate; psmouse->disconnect = synaptics_disconnect; psmouse->reconnect = synaptics_reconnect; psmouse->cleanup = synaptics_reset; - psmouse->pktsize = 6; /* Synaptics can usually stay in sync without extra help */ psmouse->resync_time = 0; @@ -802,20 +1663,42 @@ int synaptics_init(struct psmouse *psmouse) /* * Toshiba's KBC seems to have trouble handling data from - * Synaptics as full rate, switch to lower rate which is roughly - * thye same as rate of standard PS/2 mouse. + * Synaptics at full rate. Switch to a lower rate (roughly + * the same rate as a standard PS/2 mouse). */ if (psmouse->rate >= 80 && impaired_toshiba_kbc) { - printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n", - dmi_get_system_info(DMI_PRODUCT_NAME)); + psmouse_info(psmouse, + "Toshiba %s detected, limiting rate to 40pps.\n", + dmi_get_system_info(DMI_PRODUCT_NAME)); psmouse->rate = 40; } + if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) { + err = device_create_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_disable_gesture.dattr); + if (err) { + psmouse_err(psmouse, + "Failed to create disable_gesture attribute (%d)", + err); + goto init_fail; + } + } + return 0; init_fail: kfree(priv); - return -1; + return err; +} + +int synaptics_init(struct psmouse *psmouse) +{ + return __synaptics_init(psmouse, true); +} + +int synaptics_init_relative(struct psmouse *psmouse) +{ + return __synaptics_init(psmouse, false); } bool synaptics_supported(void) @@ -840,4 +1723,3 @@ bool synaptics_supported(void) } #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ - |