diff options
Diffstat (limited to 'drivers/input/mouse')
| -rw-r--r-- | drivers/input/mouse/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/input/mouse/Makefile | 2 | ||||
| -rw-r--r-- | drivers/input/mouse/alps.c | 76 | ||||
| -rw-r--r-- | drivers/input/mouse/alps.h | 6 | ||||
| -rw-r--r-- | drivers/input/mouse/elan_i2c_i2c.c | 30 | ||||
| -rw-r--r-- | drivers/input/mouse/inport.c | 2 | ||||
| -rw-r--r-- | drivers/input/mouse/logibm.c | 2 | ||||
| -rw-r--r-- | drivers/input/mouse/psmouse-base.c | 216 | ||||
| -rw-r--r-- | drivers/input/mouse/psmouse-smbus.c | 302 | ||||
| -rw-r--r-- | drivers/input/mouse/psmouse.h | 102 | ||||
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 980 | ||||
| -rw-r--r-- | drivers/input/mouse/synaptics.h | 154 | ||||
| -rw-r--r-- | drivers/input/mouse/synaptics_i2c.c | 9 |
13 files changed, 1314 insertions, 583 deletions
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 096abb4ad5cd..89ebb8f39fee 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -78,6 +78,18 @@ config MOUSE_PS2_SYNAPTICS If unsure, say Y. +config MOUSE_PS2_SYNAPTICS_SMBUS + bool "Synaptics PS/2 SMbus companion" if EXPERT + default y + depends on MOUSE_PS2 + depends on I2C=y || I2C=MOUSE_PS2 + select MOUSE_PS2_SMBUS + help + Say Y here if you have a Synaptics RMI4 touchpad connected to + to an SMBus, but enumerated through PS/2. + + If unsure, say Y. + config MOUSE_PS2_CYPRESS bool "Cypress PS/2 mouse protocol extension" if EXPERT default y @@ -171,6 +183,10 @@ config MOUSE_PS2_VMMOUSE If unsure, say N. +config MOUSE_PS2_SMBUS + bool + depends on MOUSE_PS2 + config MOUSE_SERIAL tristate "Serial mouse" select SERIO diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 6168b134937b..56bf0ad877c6 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -39,6 +39,8 @@ psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o psmouse-$(CONFIG_MOUSE_PS2_CYPRESS) += cypress_ps2.o psmouse-$(CONFIG_MOUSE_PS2_VMMOUSE) += vmmouse.o +psmouse-$(CONFIG_MOUSE_PS2_SMBUS) += psmouse-smbus.o + elan_i2c-objs := elan_i2c_core.o elan_i2c-$(CONFIG_MOUSE_ELAN_I2C_I2C) += elan_i2c_i2c.o elan_i2c-$(CONFIG_MOUSE_ELAN_I2C_SMBUS) += elan_i2c_smbus.o diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index f210e19ddba6..262d1057c1da 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -106,39 +106,36 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_DUALPOINT_WITH_PRESSURE 0x400 /* device can report trackpoint pressure */ static const struct alps_model_info alps_model_data[] = { - { { 0x32, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */ - { { 0x33, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } }, /* UMAX-530T */ - { { 0x53, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x53, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x60, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */ - { { 0x63, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x63, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x63, 0x02, 0x28 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */ - { { 0x63, 0x02, 0x3c }, 0x00, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */ - { { 0x63, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */ - { { 0x63, 0x02, 0x64 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x63, 0x03, 0xc8 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */ - { { 0x73, 0x00, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */ - { { 0x73, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, - { { 0x73, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */ - /* * XXX This entry is suspicious. First byte has zero lower nibble, * which is what a normal mouse would report. Also, the value 0x0e * isn't valid per PS/2 spec. */ - { { 0x20, 0x02, 0x0e }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, - - { { 0x22, 0x02, 0x0a }, 0x00, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, - { { 0x22, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */ - /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ - { { 0x62, 0x02, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, - ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, - { { 0x73, 0x00, 0x14 }, 0x00, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } }, /* Dell XT2 */ - { { 0x73, 0x02, 0x50 }, 0x00, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */ - { { 0x52, 0x01, 0x14 }, 0x00, { ALPS_PROTO_V2, 0xff, 0xff, + { { 0x20, 0x02, 0x0e }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, + + { { 0x22, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, + { { 0x22, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D600 */ + { { 0x32, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Toshiba Salellite Pro M10 */ + { { 0x33, 0x02, 0x0a }, { ALPS_PROTO_V1, 0x88, 0xf8, 0 } }, /* UMAX-530T */ + { { 0x52, 0x01, 0x14 }, { ALPS_PROTO_V2, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Toshiba Tecra A11-11L */ - { { 0x73, 0x02, 0x64 }, 0x8a, { ALPS_PROTO_V4, 0x8f, 0x8f, 0 } }, + { { 0x53, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x53, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x60, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, /* HP ze1115 */ + { { 0x62, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xcf, 0xcf, + ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED } }, /* Dell Latitude E5500, E6400, E6500, Precision M4400 */ + { { 0x63, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x63, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x63, 0x02, 0x28 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Fujitsu Siemens S6010 */ + { { 0x63, 0x02, 0x3c }, { ALPS_PROTO_V2, 0x8f, 0x8f, ALPS_WHEEL } }, /* Toshiba Satellite S2400-103 */ + { { 0x63, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xef, 0xef, ALPS_FW_BK_1 } }, /* NEC Versa L320 */ + { { 0x63, 0x02, 0x64 }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x63, 0x03, 0xc8 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT } }, /* Dell Latitude D800 */ + { { 0x73, 0x00, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_DUALPOINT } }, /* ThinkPad R61 8918-5QG */ + { { 0x73, 0x00, 0x14 }, { ALPS_PROTO_V6, 0xff, 0xff, ALPS_DUALPOINT } }, /* Dell XT2 */ + { { 0x73, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } }, + { { 0x73, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } }, /* Ahtec Laptop */ + { { 0x73, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } }, /* Dell Vostro 1400 */ }; static const struct alps_protocol_info alps_v3_protocol_data = { @@ -149,6 +146,10 @@ static const struct alps_protocol_info alps_v3_rushmore_data = { ALPS_PROTO_V3_RUSHMORE, 0x8f, 0x8f, ALPS_DUALPOINT }; +static const struct alps_protocol_info alps_v4_protocol_data = { + ALPS_PROTO_V4, 0x8f, 0x8f, 0 +}; + static const struct alps_protocol_info alps_v5_protocol_data = { ALPS_PROTO_V5, 0xc8, 0xd8, 0 }; @@ -161,6 +162,10 @@ static const struct alps_protocol_info alps_v8_protocol_data = { ALPS_PROTO_V8, 0x18, 0x18, 0 }; +static const struct alps_protocol_info alps_v9_protocol_data = { + ALPS_PROTO_V9, 0xc8, 0xc8, 0 +}; + /* * Some v2 models report the stick buttons in separate bits */ @@ -2806,12 +2811,8 @@ static const struct alps_protocol_info *alps_match_table(unsigned char *e7, for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) { model = &alps_model_data[i]; - if (!memcmp(e7, model->signature, sizeof(model->signature)) && - (!model->command_mode_resp || - model->command_mode_resp == ec[2])) { - + if (!memcmp(e7, model->signature, sizeof(model->signature))) return &model->protocol_info; - } } return NULL; @@ -2849,7 +2850,10 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) protocol = alps_match_table(e7, ec); if (!protocol) { - if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && + if (e7[0] == 0x73 && e7[1] == 0x02 && e7[2] == 0x64 && + ec[2] == 0x8a) { + protocol = &alps_v4_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 && ec[0] == 0x73 && (ec[1] == 0x01 || ec[1] == 0x02)) { protocol = &alps_v5_protocol_data; } else if (ec[0] == 0x88 && @@ -2863,6 +2867,12 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } else if (e7[0] == 0x73 && e7[1] == 0x03 && (e7[2] == 0x14 || e7[2] == 0x28)) { protocol = &alps_v8_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0xc8) { + protocol = &alps_v9_protocol_data; + psmouse_warn(psmouse, + "Unsupported ALPS V9 touchpad: E7=%3ph, EC=%3ph\n", + e7, ec); + return -EINVAL; } else { psmouse_dbg(psmouse, "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 4334f2805d93..ed2d6879fa52 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -23,6 +23,7 @@ #define ALPS_PROTO_V6 0x600 #define ALPS_PROTO_V7 0x700 /* t3btl t4s */ #define ALPS_PROTO_V8 0x800 /* SS4btl SS4s */ +#define ALPS_PROTO_V9 0x900 /* ss3btl */ #define MAX_TOUCHES 4 @@ -172,10 +173,6 @@ struct alps_protocol_info { /** * struct alps_model_info - touchpad ID table * @signature: E7 response string to match. - * @command_mode_resp: For V3/V4 touchpads, the final byte of the EC response - * (aka command mode response) identifies the firmware minor version. This - * can be used to distinguish different hardware models which are not - * uniquely identifiable through their E7 responses. * @protocol_info: information about protocol used by the device. * * Many (but not all) ALPS touchpads can be identified by looking at the @@ -184,7 +181,6 @@ struct alps_protocol_info { */ struct alps_model_info { u8 signature[3]; - u8 command_mode_resp; struct alps_protocol_info protocol_info; }; diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c index a679e56c44cd..f431da07f861 100644 --- a/drivers/input/mouse/elan_i2c_i2c.c +++ b/drivers/input/mouse/elan_i2c_i2c.c @@ -554,32 +554,34 @@ static int elan_i2c_finish_fw_update(struct i2c_client *client, struct completion *completion) { struct device *dev = &client->dev; - long ret; int error; int len; - u8 buffer[ETP_I2C_INF_LENGTH]; + u8 buffer[ETP_I2C_REPORT_LEN]; + + len = i2c_master_recv(client, buffer, ETP_I2C_REPORT_LEN); + if (len != ETP_I2C_REPORT_LEN) { + error = len < 0 ? len : -EIO; + dev_warn(dev, "failed to read I2C data after FW WDT reset: %d (%d)\n", + error, len); + } reinit_completion(completion); enable_irq(client->irq); error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET); - if (!error) - ret = wait_for_completion_interruptible_timeout(completion, - msecs_to_jiffies(300)); - disable_irq(client->irq); - if (error) { dev_err(dev, "device reset failed: %d\n", error); - return error; - } else if (ret == 0) { + } else if (!wait_for_completion_timeout(completion, + msecs_to_jiffies(300))) { dev_err(dev, "timeout waiting for device reset\n"); - return -ETIMEDOUT; - } else if (ret < 0) { - error = ret; - dev_err(dev, "error waiting for device reset: %d\n", error); - return error; + error = -ETIMEDOUT; } + disable_irq(client->irq); + + if (error) + return error; + len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH); if (len != ETP_I2C_INF_LENGTH) { error = len < 0 ? len : -EIO; diff --git a/drivers/input/mouse/inport.c b/drivers/input/mouse/inport.c index 3827a22362de..9ce71dfa0de1 100644 --- a/drivers/input/mouse/inport.c +++ b/drivers/input/mouse/inport.c @@ -78,7 +78,7 @@ MODULE_LICENSE("GPL"); #define INPORT_IRQ 5 static int inport_irq = INPORT_IRQ; -module_param_named(irq, inport_irq, uint, 0); +module_param_hw_named(irq, inport_irq, uint, irq, 0); MODULE_PARM_DESC(irq, "IRQ number (5=default)"); static struct input_dev *inport_dev; diff --git a/drivers/input/mouse/logibm.c b/drivers/input/mouse/logibm.c index e2413113df22..6f165e053f4d 100644 --- a/drivers/input/mouse/logibm.c +++ b/drivers/input/mouse/logibm.c @@ -69,7 +69,7 @@ MODULE_LICENSE("GPL"); #define LOGIBM_IRQ 5 static int logibm_irq = LOGIBM_IRQ; -module_param_named(irq, logibm_irq, uint, 0); +module_param_hw_named(irq, logibm_irq, uint, irq, 0); MODULE_PARM_DESC(irq, "IRQ number (5=default)"); static struct input_dev *logibm_dev; diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index a598b7223cef..f73b47b8c578 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -116,17 +116,6 @@ static DEFINE_MUTEX(psmouse_mutex); static struct workqueue_struct *kpsmoused_wq; -struct psmouse_protocol { - enum psmouse_type type; - bool maxproto; - bool ignore_parity; /* Protocol should ignore parity errors from KBC */ - bool try_passthru; /* Try protocol also on passthrough ports */ - const char *name; - const char *alias; - int (*detect)(struct psmouse *, bool); - int (*init)(struct psmouse *); -}; - static void psmouse_report_standard_buttons(struct input_dev *dev, u8 buttons) { input_report_key(dev, BTN_LEFT, buttons & BIT(0)); @@ -148,7 +137,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse) /* Full packet accumulated, process it */ - switch (psmouse->type) { + switch (psmouse->protocol->type) { case PSMOUSE_IMPS: /* IntelliMouse has scroll wheel */ input_report_rel(dev, REL_WHEEL, -(signed char) packet[3]); @@ -325,7 +314,8 @@ static irqreturn_t psmouse_interrupt(struct serio *serio, goto out; if (unlikely((flags & SERIO_TIMEOUT) || - ((flags & SERIO_PARITY) && !psmouse->ignore_parity))) { + ((flags & SERIO_PARITY) && + !psmouse->protocol->ignore_parity))) { if (psmouse->state == PSMOUSE_ACTIVATED) psmouse_warn(psmouse, @@ -372,7 +362,7 @@ static irqreturn_t psmouse_interrupt(struct serio *serio, } if (psmouse->packet[1] == PSMOUSE_RET_ID || - (psmouse->type == PSMOUSE_HGPK && + (psmouse->protocol->type == PSMOUSE_HGPK && psmouse->packet[1] == PSMOUSE_RET_BAT)) { __psmouse_set_state(psmouse, PSMOUSE_IGNORE); serio_reconnect(serio); @@ -783,7 +773,7 @@ static const struct psmouse_protocol psmouse_protocols[] = { .name = "SynPS/2", .alias = "synaptics", .detect = synaptics_detect, - .init = synaptics_init, + .init = synaptics_init_absolute, }, { .type = PSMOUSE_SYNAPTICS_RELATIVE, @@ -793,6 +783,16 @@ static const struct psmouse_protocol psmouse_protocols[] = { .init = synaptics_init_relative, }, #endif +#ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS + { + .type = PSMOUSE_SYNAPTICS_SMBUS, + .name = "SynSMBus", + .alias = "synaptics-smbus", + .detect = synaptics_detect, + .init = synaptics_init_smbus, + .smbus_companion = true, + }, +#endif #ifdef CONFIG_MOUSE_PS2_ALPS { .type = PSMOUSE_ALPS, @@ -959,6 +959,8 @@ static void psmouse_apply_defaults(struct psmouse *psmouse) __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + psmouse->protocol = &psmouse_protocols[0]; + psmouse->set_rate = psmouse_set_rate; psmouse->set_resolution = psmouse_set_resolution; psmouse->set_scale = psmouse_set_scale; @@ -966,6 +968,7 @@ static void psmouse_apply_defaults(struct psmouse *psmouse) psmouse->protocol_handler = psmouse_process_byte; psmouse->pktsize = 3; psmouse->reconnect = NULL; + psmouse->fast_reconnect = NULL; psmouse->disconnect = NULL; psmouse->cleanup = NULL; psmouse->pt_activate = NULL; @@ -1018,6 +1021,7 @@ static int psmouse_extensions(struct psmouse *psmouse, unsigned int max_proto, bool set_properties) { bool synaptics_hardware = false; + int ret; /* * Always check for focaltech, this is safe as it uses pnp-id @@ -1080,9 +1084,14 @@ static int psmouse_extensions(struct psmouse *psmouse, * enabled first, since we try detecting Synaptics * even when protocol is disabled. */ - if (IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS) && - (!set_properties || synaptics_init(psmouse) == 0)) { - return PSMOUSE_SYNAPTICS; + if (IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS) || + IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) { + if (!set_properties) + return PSMOUSE_SYNAPTICS; + + ret = synaptics_init(psmouse); + if (ret >= 0) + return ret; } /* @@ -1431,9 +1440,8 @@ static void psmouse_cleanup(struct serio *serio) */ static void psmouse_disconnect(struct serio *serio) { - struct psmouse *psmouse, *parent = NULL; - - psmouse = serio_get_drvdata(serio); + struct psmouse *psmouse = serio_get_drvdata(serio); + struct psmouse *parent = NULL; sysfs_remove_group(&serio->dev.kobj, &psmouse_attribute_group); @@ -1461,7 +1469,10 @@ static void psmouse_disconnect(struct serio *serio) serio_close(serio); serio_set_drvdata(serio, NULL); - input_unregister_device(psmouse->dev); + + if (psmouse->dev) + input_unregister_device(psmouse->dev); + kfree(psmouse); if (parent) @@ -1475,6 +1486,7 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, { const struct psmouse_protocol *selected_proto; struct input_dev *input_dev = psmouse->dev; + enum psmouse_type type; input_dev->dev.parent = &psmouse->ps2dev.serio->dev; @@ -1487,15 +1499,13 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, if (proto->init && proto->init(psmouse) < 0) return -1; - psmouse->type = proto->type; selected_proto = proto; } else { - psmouse->type = psmouse_extensions(psmouse, - psmouse_max_proto, true); - selected_proto = psmouse_protocol_by_type(psmouse->type); + type = psmouse_extensions(psmouse, psmouse_max_proto, true); + selected_proto = psmouse_protocol_by_type(type); } - psmouse->ignore_parity = selected_proto->ignore_parity; + psmouse->protocol = selected_proto; /* * If mouse's packet size is 3 there is no point in polling the @@ -1521,7 +1531,7 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, input_dev->phys = psmouse->phys; input_dev->id.bustype = BUS_I8042; input_dev->id.vendor = 0x0002; - input_dev->id.product = psmouse->type; + input_dev->id.product = psmouse->protocol->type; input_dev->id.version = psmouse->model; return 0; @@ -1583,12 +1593,18 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) psmouse_switch_protocol(psmouse, NULL); - psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); - psmouse_initialize(psmouse); + if (!psmouse->protocol->smbus_companion) { + psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); + psmouse_initialize(psmouse); - error = input_register_device(psmouse->dev); - if (error) - goto err_protocol_disconnect; + error = input_register_device(input_dev); + if (error) + goto err_protocol_disconnect; + } else { + /* Smbus companion will be reporting events, not us. */ + input_free_device(input_dev); + psmouse->dev = input_dev = NULL; + } if (parent && parent->pt_activate) parent->pt_activate(parent); @@ -1597,7 +1613,12 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) if (error) goto err_pt_deactivate; - psmouse_activate(psmouse); + /* + * PS/2 devices having SMBus companions should stay disabled + * on PS/2 side, in order to have SMBus part operable. + */ + if (!psmouse->protocol->smbus_companion) + psmouse_activate(psmouse); out: /* If this is a pass-through port the parent needs to be re-activated */ @@ -1610,8 +1631,10 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) err_pt_deactivate: if (parent && parent->pt_deactivate) parent->pt_deactivate(parent); - input_unregister_device(psmouse->dev); - input_dev = NULL; /* so we don't try to free it below */ + if (input_dev) { + input_unregister_device(input_dev); + input_dev = NULL; /* so we don't try to free it below */ + } err_protocol_disconnect: if (psmouse->disconnect) psmouse->disconnect(psmouse); @@ -1628,15 +1651,26 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) goto out; } -static int psmouse_reconnect(struct serio *serio) +static int __psmouse_reconnect(struct serio *serio, bool fast_reconnect) { struct psmouse *psmouse = serio_get_drvdata(serio); struct psmouse *parent = NULL; - unsigned char type; + int (*reconnect_handler)(struct psmouse *); + enum psmouse_type type; int rc = -1; mutex_lock(&psmouse_mutex); + if (fast_reconnect) { + reconnect_handler = psmouse->fast_reconnect; + if (!reconnect_handler) { + rc = -ENOENT; + goto out_unlock; + } + } else { + reconnect_handler = psmouse->reconnect; + } + if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { parent = serio_get_drvdata(serio->parent); psmouse_deactivate(parent); @@ -1644,8 +1678,8 @@ static int psmouse_reconnect(struct serio *serio) psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); - if (psmouse->reconnect) { - if (psmouse->reconnect(psmouse)) + if (reconnect_handler) { + if (reconnect_handler(psmouse)) goto out; } else { psmouse_reset(psmouse); @@ -1654,7 +1688,7 @@ static int psmouse_reconnect(struct serio *serio) goto out; type = psmouse_extensions(psmouse, psmouse_max_proto, false); - if (psmouse->type != type) + if (psmouse->protocol->type != type) goto out; } @@ -1662,14 +1696,21 @@ static int psmouse_reconnect(struct serio *serio) * OK, the device type (and capabilities) match the old one, * we can continue using it, complete initialization */ - psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); - - psmouse_initialize(psmouse); + if (!psmouse->protocol->smbus_companion) { + psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); + psmouse_initialize(psmouse); + } if (parent && parent->pt_activate) parent->pt_activate(parent); - psmouse_activate(psmouse); + /* + * PS/2 devices having SMBus companions should stay disabled + * on PS/2 side, in order to have SMBus part operable. + */ + if (!psmouse->protocol->smbus_companion) + psmouse_activate(psmouse); + rc = 0; out: @@ -1677,10 +1718,21 @@ out: if (parent) psmouse_activate(parent); +out_unlock: mutex_unlock(&psmouse_mutex); return rc; } +static int psmouse_reconnect(struct serio *serio) +{ + return __psmouse_reconnect(serio, false); +} + +static int psmouse_fast_reconnect(struct serio *serio) +{ + return __psmouse_reconnect(serio, true); +} + static struct serio_device_id psmouse_serio_ids[] = { { .type = SERIO_8042, @@ -1708,6 +1760,7 @@ static struct serio_driver psmouse_drv = { .interrupt = psmouse_interrupt, .connect = psmouse_connect, .reconnect = psmouse_reconnect, + .fast_reconnect = psmouse_fast_reconnect, .disconnect = psmouse_disconnect, .cleanup = psmouse_cleanup, }; @@ -1717,9 +1770,11 @@ ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *de { struct serio *serio = to_serio_port(dev); struct psmouse_attribute *attr = to_psmouse_attr(devattr); - struct psmouse *psmouse; + struct psmouse *psmouse = serio_get_drvdata(serio); - psmouse = serio_get_drvdata(serio); + if (psmouse->protocol->smbus_companion && + devattr != &psmouse_attr_protocol.dattr) + return -ENOENT; return attr->show(psmouse, attr->data, buf); } @@ -1738,6 +1793,12 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev psmouse = serio_get_drvdata(serio); + if (psmouse->protocol->smbus_companion && + devattr != &psmouse_attr_protocol.dattr) { + retval = -ENOENT; + goto out_unlock; + } + if (attr->protect) { if (psmouse->state == PSMOUSE_IGNORE) { retval = -ENODEV; @@ -1749,13 +1810,14 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev psmouse_deactivate(parent); } - psmouse_deactivate(psmouse); + if (!psmouse->protocol->smbus_companion) + psmouse_deactivate(psmouse); } retval = attr->set(psmouse, attr->data, buf, count); if (attr->protect) { - if (retval != -ENODEV) + if (retval != -ENODEV && !psmouse->protocol->smbus_companion) psmouse_activate(psmouse); if (parent) @@ -1792,7 +1854,7 @@ static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const static ssize_t psmouse_attr_show_protocol(struct psmouse *psmouse, void *data, char *buf) { - return sprintf(buf, "%s\n", psmouse_protocol_by_type(psmouse->type)->name); + return sprintf(buf, "%s\n", psmouse->protocol->name); } static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, const char *buf, size_t count) @@ -1808,7 +1870,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co if (!proto) return -EINVAL; - if (psmouse->type == proto->type) + if (psmouse->protocol == proto) return count; new_dev = input_allocate_device(); @@ -1832,7 +1894,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co return -ENODEV; } - if (psmouse->type == proto->type) { + if (psmouse->protocol == proto) { input_free_device(new_dev); return count; /* switched by other thread */ } @@ -1845,7 +1907,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co } old_dev = psmouse->dev; - old_proto = psmouse_protocol_by_type(psmouse->type); + old_proto = psmouse->protocol; if (psmouse->disconnect) psmouse->disconnect(psmouse); @@ -1864,23 +1926,29 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co psmouse_initialize(psmouse); psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); - error = input_register_device(psmouse->dev); - if (error) { - if (psmouse->disconnect) - psmouse->disconnect(psmouse); + if (psmouse->protocol->smbus_companion) { + input_free_device(psmouse->dev); + psmouse->dev = NULL; + } else { + error = input_register_device(psmouse->dev); + if (error) { + if (psmouse->disconnect) + psmouse->disconnect(psmouse); - psmouse_set_state(psmouse, PSMOUSE_IGNORE); - input_free_device(new_dev); - psmouse->dev = old_dev; - psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); - psmouse_switch_protocol(psmouse, old_proto); - psmouse_initialize(psmouse); - psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); + psmouse_set_state(psmouse, PSMOUSE_IGNORE); + input_free_device(new_dev); + psmouse->dev = old_dev; + psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); + psmouse_switch_protocol(psmouse, old_proto); + psmouse_initialize(psmouse); + psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); - return error; + return error; + } } - input_unregister_device(old_dev); + if (old_dev) + input_unregister_device(old_dev); if (parent && parent->pt_activate) parent->pt_activate(parent); @@ -1947,16 +2015,27 @@ static int __init psmouse_init(void) synaptics_module_init(); hgpk_module_init(); + err = psmouse_smbus_module_init(); + if (err) + return err; + kpsmoused_wq = alloc_ordered_workqueue("kpsmoused", 0); if (!kpsmoused_wq) { pr_err("failed to create kpsmoused workqueue\n"); - return -ENOMEM; + err = -ENOMEM; + goto err_smbus_exit; } err = serio_register_driver(&psmouse_drv); if (err) - destroy_workqueue(kpsmoused_wq); + goto err_destroy_wq; + + return 0; +err_destroy_wq: + destroy_workqueue(kpsmoused_wq); +err_smbus_exit: + psmouse_smbus_module_exit(); return err; } @@ -1964,6 +2043,7 @@ static void __exit psmouse_exit(void) { serio_unregister_driver(&psmouse_drv); destroy_workqueue(kpsmoused_wq); + psmouse_smbus_module_exit(); } module_init(psmouse_init); diff --git a/drivers/input/mouse/psmouse-smbus.c b/drivers/input/mouse/psmouse-smbus.c new file mode 100644 index 000000000000..c7ac24d119c1 --- /dev/null +++ b/drivers/input/mouse/psmouse-smbus.c @@ -0,0 +1,302 @@ +/* + * Copyright (c) 2017 Red Hat, Inc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/libps2.h> +#include <linux/i2c.h> +#include <linux/serio.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include "psmouse.h" + +struct psmouse_smbus_dev { + struct i2c_board_info board; + struct psmouse *psmouse; + struct i2c_client *client; + struct list_head node; + bool dead; +}; + +static LIST_HEAD(psmouse_smbus_list); +static DEFINE_MUTEX(psmouse_smbus_mutex); + +static void psmouse_smbus_check_adapter(struct i2c_adapter *adapter) +{ + struct psmouse_smbus_dev *smbdev; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_HOST_NOTIFY)) + return; + + mutex_lock(&psmouse_smbus_mutex); + + list_for_each_entry(smbdev, &psmouse_smbus_list, node) { + if (smbdev->dead) + continue; + + if (smbdev->client) + continue; + + /* + * Here would be a good place to check if device is actually + * present, but it seems that SMBus will not respond unless we + * fully reset PS/2 connection. So cross our fingers, and try + * to switch over, hopefully our system will not have too many + * "host notify" I2C adapters. + */ + psmouse_dbg(smbdev->psmouse, + "SMBus candidate adapter appeared, triggering rescan\n"); + serio_rescan(smbdev->psmouse->ps2dev.serio); + } + + mutex_unlock(&psmouse_smbus_mutex); +} + +static void psmouse_smbus_detach_i2c_client(struct i2c_client *client) +{ + struct psmouse_smbus_dev *smbdev, *tmp; + + mutex_lock(&psmouse_smbus_mutex); + + list_for_each_entry_safe(smbdev, tmp, &psmouse_smbus_list, node) { + if (smbdev->client != client) + continue; + + kfree(client->dev.platform_data); + client->dev.platform_data = NULL; + + if (!smbdev->dead) { + psmouse_dbg(smbdev->psmouse, + "Marking SMBus companion %s as gone\n", + dev_name(&smbdev->client->dev)); + smbdev->dead = true; + serio_rescan(smbdev->psmouse->ps2dev.serio); + } else { + list_del(&smbdev->node); + kfree(smbdev); + } + } + + mutex_unlock(&psmouse_smbus_mutex); +} + +static int psmouse_smbus_notifier_call(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct device *dev = data; + + switch (action) { + case BUS_NOTIFY_ADD_DEVICE: + if (dev->type == &i2c_adapter_type) + psmouse_smbus_check_adapter(to_i2c_adapter(dev)); + break; + + case BUS_NOTIFY_REMOVED_DEVICE: + if (dev->type == &i2c_client_type) + psmouse_smbus_detach_i2c_client(to_i2c_client(dev)); + break; + } + + return 0; +} + +static struct notifier_block psmouse_smbus_notifier = { + .notifier_call = psmouse_smbus_notifier_call, +}; + +static psmouse_ret_t psmouse_smbus_process_byte(struct psmouse *psmouse) +{ + return PSMOUSE_FULL_PACKET; +} + +static int psmouse_smbus_reconnect(struct psmouse *psmouse) +{ + psmouse_deactivate(psmouse); + + return 0; +} + +struct psmouse_smbus_removal_work { + struct work_struct work; + struct i2c_client *client; +}; + +static void psmouse_smbus_remove_i2c_device(struct work_struct *work) +{ + struct psmouse_smbus_removal_work *rwork = + container_of(work, struct psmouse_smbus_removal_work, work); + + dev_dbg(&rwork->client->dev, "destroying SMBus companion device\n"); + i2c_unregister_device(rwork->client); + + kfree(rwork); +} + +/* + * This schedules removal of SMBus companion device. We have to do + * it in a separate tread to avoid deadlocking on psmouse_mutex in + * case the device has a trackstick (which is also driven by psmouse). + * + * Note that this may be racing with i2c adapter removal, but we + * can't do anything about that: i2c automatically destroys clients + * attached to an adapter that is being removed. This has to be + * fixed in i2c core. + */ +static void psmouse_smbus_schedule_remove(struct i2c_client *client) +{ + struct psmouse_smbus_removal_work *rwork; + + rwork = kzalloc(sizeof(*rwork), GFP_KERNEL); + if (rwork) { + INIT_WORK(&rwork->work, psmouse_smbus_remove_i2c_device); + rwork->client = client; + + schedule_work(&rwork->work); + } +} + +static void psmouse_smbus_disconnect(struct psmouse *psmouse) +{ + struct psmouse_smbus_dev *smbdev = psmouse->private; + + mutex_lock(&psmouse_smbus_mutex); + + if (smbdev->dead) { + list_del(&smbdev->node); + kfree(smbdev); + } else { + smbdev->dead = true; + psmouse_dbg(smbdev->psmouse, + "posting removal request for SMBus companion %s\n", + dev_name(&smbdev->client->dev)); + psmouse_smbus_schedule_remove(smbdev->client); + } + + mutex_unlock(&psmouse_smbus_mutex); + + psmouse->private = NULL; +} + +static int psmouse_smbus_create_companion(struct device *dev, void *data) +{ + struct psmouse_smbus_dev *smbdev = data; + unsigned short addr_list[] = { smbdev->board.addr, I2C_CLIENT_END }; + struct i2c_adapter *adapter; + + adapter = i2c_verify_adapter(dev); + if (!adapter) + return 0; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_HOST_NOTIFY)) + return 0; + + smbdev->client = i2c_new_probed_device(adapter, &smbdev->board, + addr_list, NULL); + if (!smbdev->client) + return 0; + + /* We have our(?) device, stop iterating i2c bus. */ + return 1; +} + +void psmouse_smbus_cleanup(struct psmouse *psmouse) +{ + struct psmouse_smbus_dev *smbdev, *tmp; + + mutex_lock(&psmouse_smbus_mutex); + + list_for_each_entry_safe(smbdev, tmp, &psmouse_smbus_list, node) { + if (psmouse == smbdev->psmouse) { + list_del(&smbdev->node); + kfree(smbdev); + } + } + + mutex_unlock(&psmouse_smbus_mutex); +} + +int psmouse_smbus_init(struct psmouse *psmouse, + const struct i2c_board_info *board, + const void *pdata, size_t pdata_size, + bool leave_breadcrumbs) +{ + struct psmouse_smbus_dev *smbdev; + int error; + + smbdev = kzalloc(sizeof(*smbdev), GFP_KERNEL); + if (!smbdev) + return -ENOMEM; + + smbdev->psmouse = psmouse; + smbdev->board = *board; + + smbdev->board.platform_data = kmemdup(pdata, pdata_size, GFP_KERNEL); + if (!smbdev->board.platform_data) { + kfree(smbdev); + return -ENOMEM; + } + + psmouse->private = smbdev; + psmouse->protocol_handler = psmouse_smbus_process_byte; + psmouse->reconnect = psmouse_smbus_reconnect; + psmouse->fast_reconnect = psmouse_smbus_reconnect; + psmouse->disconnect = psmouse_smbus_disconnect; + psmouse->resync_time = 0; + + psmouse_deactivate(psmouse); + + mutex_lock(&psmouse_smbus_mutex); + list_add_tail(&smbdev->node, &psmouse_smbus_list); + mutex_unlock(&psmouse_smbus_mutex); + + /* Bind to already existing adapters right away */ + error = i2c_for_each_dev(smbdev, psmouse_smbus_create_companion); + + if (smbdev->client) { + /* We have our companion device */ + return 0; + } + + /* + * If we did not create i2c device we will not need platform + * data even if we are leaving breadcrumbs. + */ + kfree(smbdev->board.platform_data); + smbdev->board.platform_data = NULL; + + if (error < 0 || !leave_breadcrumbs) { + mutex_lock(&psmouse_smbus_mutex); + list_del(&smbdev->node); + mutex_unlock(&psmouse_smbus_mutex); + + kfree(smbdev); + } + + return error < 0 ? error : -EAGAIN; +} + +int __init psmouse_smbus_module_init(void) +{ + int error; + + error = bus_register_notifier(&i2c_bus_type, &psmouse_smbus_notifier); + if (error) { + pr_err("failed to register i2c bus notifier: %d\n", error); + return error; + } + + return 0; +} + +void psmouse_smbus_module_exit(void) +{ + bus_unregister_notifier(&i2c_bus_type, &psmouse_smbus_notifier); + flush_scheduled_work(); +} diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index 8c83b8e2505c..38855e425f01 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -44,21 +44,60 @@ enum psmouse_scale { PSMOUSE_SCALE21 }; +enum psmouse_type { + PSMOUSE_NONE, + PSMOUSE_PS2, + PSMOUSE_PS2PP, + PSMOUSE_THINKPS, + PSMOUSE_GENPS, + PSMOUSE_IMPS, + PSMOUSE_IMEX, + PSMOUSE_SYNAPTICS, + PSMOUSE_ALPS, + PSMOUSE_LIFEBOOK, + PSMOUSE_TRACKPOINT, + PSMOUSE_TOUCHKIT_PS2, + PSMOUSE_CORTRON, + PSMOUSE_HGPK, + PSMOUSE_ELANTECH, + PSMOUSE_FSP, + PSMOUSE_SYNAPTICS_RELATIVE, + PSMOUSE_CYPRESS, + PSMOUSE_FOCALTECH, + PSMOUSE_VMMOUSE, + PSMOUSE_BYD, + PSMOUSE_SYNAPTICS_SMBUS, + PSMOUSE_AUTO /* This one should always be last */ +}; + +struct psmouse; + +struct psmouse_protocol { + enum psmouse_type type; + bool maxproto; + bool ignore_parity; /* Protocol should ignore parity errors from KBC */ + bool try_passthru; /* Try protocol also on passthrough ports */ + bool smbus_companion; /* "Protocol" is a stub, device is on SMBus */ + const char *name; + const char *alias; + int (*detect)(struct psmouse *, bool); + int (*init)(struct psmouse *); +}; + struct psmouse { void *private; struct input_dev *dev; struct ps2dev ps2dev; struct delayed_work resync_work; - char *vendor; - char *name; + const char *vendor; + const char *name; + const struct psmouse_protocol *protocol; unsigned char packet[8]; unsigned char badbyte; unsigned char pktcnt; unsigned char pktsize; - unsigned char type; unsigned char oob_data_type; unsigned char extra_buttons; - bool ignore_parity; bool acks_disable_command; unsigned int model; unsigned long last; @@ -80,6 +119,7 @@ struct psmouse { void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale); int (*reconnect)(struct psmouse *psmouse); + int (*fast_reconnect)(struct psmouse *psmouse); void (*disconnect)(struct psmouse *psmouse); void (*cleanup)(struct psmouse *psmouse); int (*poll)(struct psmouse *psmouse); @@ -88,31 +128,6 @@ struct psmouse { void (*pt_deactivate)(struct psmouse *psmouse); }; -enum psmouse_type { - PSMOUSE_NONE, - PSMOUSE_PS2, - PSMOUSE_PS2PP, - PSMOUSE_THINKPS, - PSMOUSE_GENPS, - PSMOUSE_IMPS, - PSMOUSE_IMEX, - PSMOUSE_SYNAPTICS, - PSMOUSE_ALPS, - PSMOUSE_LIFEBOOK, - PSMOUSE_TRACKPOINT, - PSMOUSE_TOUCHKIT_PS2, - PSMOUSE_CORTRON, - PSMOUSE_HGPK, - PSMOUSE_ELANTECH, - PSMOUSE_FSP, - PSMOUSE_SYNAPTICS_RELATIVE, - PSMOUSE_CYPRESS, - PSMOUSE_FOCALTECH, - PSMOUSE_VMMOUSE, - PSMOUSE_BYD, - PSMOUSE_AUTO /* This one should always be last */ -}; - void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work, unsigned long delay); int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command); @@ -195,5 +210,34 @@ static struct psmouse_attribute psmouse_attr_##_name = { \ &(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__) +#ifdef CONFIG_MOUSE_PS2_SMBUS + +int psmouse_smbus_module_init(void); +void psmouse_smbus_module_exit(void); + +struct i2c_board_info; + +int psmouse_smbus_init(struct psmouse *psmouse, + const struct i2c_board_info *board, + const void *pdata, size_t pdata_size, + bool leave_breadcrumbs); +void psmouse_smbus_cleanup(struct psmouse *psmouse); + +#else /* !CONFIG_MOUSE_PS2_SMBUS */ + +static inline int psmouse_smbus_module_init(void) +{ + return 0; +} + +static inline void psmouse_smbus_module_exit(void) +{ +} + +static inline void psmouse_smbus_cleanup(struct psmouse *psmouse) +{ +} + +#endif /* CONFIG_MOUSE_PS2_SMBUS */ #endif /* _PSMOUSE_H */ diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 597ee4b01d9f..131df9d3660f 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -29,6 +29,8 @@ #include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> +#include <linux/rmi.h> +#include <linux/i2c.h> #include <linux/slab.h> #include "psmouse.h" #include "synaptics.h" @@ -77,22 +79,27 @@ /* * Set the synaptics touchpad mode byte by special commands */ -static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode) +static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode) { - unsigned char param[1]; + u8 param[1]; + int error; + + error = psmouse_sliced_command(psmouse, mode); + if (error) + return error; - if (psmouse_sliced_command(psmouse, mode)) - return -1; param[0] = SYN_PS_SET_MODE2; - if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE)) - return -1; + error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE); + if (error) + return error; + return 0; } int synaptics_detect(struct psmouse *psmouse, bool set_properties) { struct ps2dev *ps2dev = &psmouse->ps2dev; - unsigned char param[4]; + u8 param[4]; param[0] = 0; @@ -119,59 +126,8 @@ void synaptics_reset(struct psmouse *psmouse) synaptics_mode_cmd(psmouse, 0); } -#ifdef CONFIG_MOUSE_PS2_SYNAPTICS - -static bool cr48_profile_sensor; - -#define ANY_BOARD_ID 0 -struct min_max_quirk { - const char * const *pnp_ids; - struct { - unsigned long int min, max; - } board_id; - int x_min, x_max, y_min, y_max; -}; - -static const struct min_max_quirk min_max_pnpid_table[] = { - { - (const char * const []){"LEN0033", NULL}, - {ANY_BOARD_ID, ANY_BOARD_ID}, - 1024, 5052, 2258, 4832 - }, - { - (const char * const []){"LEN0042", NULL}, - {ANY_BOARD_ID, ANY_BOARD_ID}, - 1232, 5710, 1156, 4696 - }, - { - (const char * const []){"LEN0034", "LEN0036", "LEN0037", - "LEN0039", "LEN2002", "LEN2004", - NULL}, - {ANY_BOARD_ID, 2961}, - 1024, 5112, 2024, 4832 - }, - { - (const char * const []){"LEN2000", NULL}, - {ANY_BOARD_ID, ANY_BOARD_ID}, - 1024, 5113, 2021, 4832 - }, - { - (const char * const []){"LEN2001", NULL}, - {ANY_BOARD_ID, ANY_BOARD_ID}, - 1024, 5022, 2508, 4832 - }, - { - (const char * const []){"LEN2006", NULL}, - {2691, 2691}, - 1024, 5045, 2457, 4832 - }, - { - (const char * const []){"LEN2006", NULL}, - {ANY_BOARD_ID, ANY_BOARD_ID}, - 1264, 5675, 1171, 4688 - }, - { } -}; +#if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ + defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) /* This list has been kindly provided by Synaptics. */ static const char * const topbuttonpad_pnp_ids[] = { @@ -211,101 +167,109 @@ static const char * const topbuttonpad_pnp_ids[] = { NULL }; -/* This list has been kindly provided by Synaptics. */ -static const char * const forcepad_pnp_ids[] = { - "SYN300D", - "SYN3014", +static const char * const smbus_pnp_ids[] = { + /* all of the topbuttonpad_pnp_ids are valid, we just add some extras */ + "LEN0048", /* X1 Carbon 3 */ + "LEN0046", /* X250 */ + "LEN004a", /* W541 */ + "LEN200f", /* T450s */ NULL }; -/***************************************************************************** - * 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. + * Send a command to the synpatics touchpad by special commands */ -static int synaptics_invert_y(int y) +static int synaptics_send_cmd(struct psmouse *psmouse, u8 cmd, u8 *param) { - return YMAX_NOMINAL + YMIN_NOMINAL - y; + int error; + + error = psmouse_sliced_command(psmouse, cmd); + if (error) + return error; + + error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO); + if (error) + return error; + + return 0; +} + +static int synaptics_query_int(struct psmouse *psmouse, u8 query_cmd, u32 *val) +{ + int error; + union { + __be32 be_val; + char buf[4]; + } resp = { 0 }; + + error = synaptics_send_cmd(psmouse, query_cmd, resp.buf + 1); + if (error) + return error; + + *val = be32_to_cpu(resp.be_val); + return 0; } /* - * Send a command to the synpatics touchpad by special commands + * Identify Touchpad + * See also the SYN_ID_* macros */ -static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) +static int synaptics_identify(struct psmouse *psmouse, + struct synaptics_device_info *info) { - if (psmouse_sliced_command(psmouse, c)) - return -1; - if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) - return -1; - return 0; + int error; + + error = synaptics_query_int(psmouse, SYN_QUE_IDENTIFY, &info->identity); + if (error) + return error; + + return SYN_ID_IS_SYNAPTICS(info->identity) ? 0 : -ENXIO; } /* * Read the model-id bytes from the touchpad * see also SYN_MODEL_* macros */ -static int synaptics_model_id(struct psmouse *psmouse) +static int synaptics_model_id(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; - unsigned char mi[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi)) - return -1; - priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2]; - return 0; + return synaptics_query_int(psmouse, SYN_QUE_MODEL, &info->model_id); } -static int synaptics_more_extended_queries(struct psmouse *psmouse) +/* + * Read the firmware id from the touchpad + */ +static int synaptics_firmware_id(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; - unsigned char buf[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_MEXT_CAPAB_10, buf)) - return -1; - - priv->ext_cap_10 = (buf[0]<<16) | (buf[1]<<8) | buf[2]; - - return 0; + return synaptics_query_int(psmouse, SYN_QUE_FIRMWARE_ID, + &info->firmware_id); } /* * Read the board id and the "More Extended Queries" from the touchpad * The board id is encoded in the "QUERY MODES" response */ -static int synaptics_query_modes(struct psmouse *psmouse) +static int synaptics_query_modes(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; - unsigned char bid[3]; + u8 bid[3]; + int error; /* firmwares prior 7.5 have no board_id encoded */ - if (SYN_ID_FULL(priv->identity) < 0x705) + if (SYN_ID_FULL(info->identity) < 0x705) return 0; - if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid)) - return -1; - priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; - - if (SYN_MEXT_CAP_BIT(bid[0])) - return synaptics_more_extended_queries(psmouse); + error = synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid); + if (error) + return error; - return 0; -} + info->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; -/* - * 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 (SYN_MEXT_CAP_BIT(bid[0])) + return synaptics_query_int(psmouse, SYN_QUE_MEXT_CAPAB_10, + &info->ext_cap_10); - 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; } @@ -313,139 +277,236 @@ static int synaptics_firmware_id(struct psmouse *psmouse) * Read the capability-bits from the touchpad * see also the SYN_CAP_* macros */ -static int synaptics_capability(struct psmouse *psmouse) +static int synaptics_capability(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; - unsigned char cap[3]; + int error; - if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap)) - return -1; - priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; - priv->ext_cap = priv->ext_cap_0c = 0; + error = synaptics_query_int(psmouse, SYN_QUE_CAPABILITIES, + &info->capabilities); + if (error) + return error; + + info->ext_cap = info->ext_cap_0c = 0; /* * Older firmwares had submodel ID fixed to 0x47 */ - if (SYN_ID_FULL(priv->identity) < 0x705 && - SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { - return -1; + if (SYN_ID_FULL(info->identity) < 0x705 && + SYN_CAP_SUBMODEL_ID(info->capabilities) != 0x47) { + return -ENXIO; } /* * Unless capExtended is set the rest of the flags should be ignored */ - if (!SYN_CAP_EXTENDED(priv->capabilities)) - priv->capabilities = 0; + if (!SYN_CAP_EXTENDED(info->capabilities)) + info->capabilities = 0; - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { + if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 1) { + error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB, + &info->ext_cap); + if (error) { 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]; - /* * if nExtBtn is greater than 8 it should be considered * invalid and treated as 0 */ - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8) - priv->ext_cap &= 0xff0fff; + if (SYN_CAP_MULTI_BUTTON_NO(info->ext_cap) > 8) + info->ext_cap &= ~SYN_CAP_MB_MASK; } } - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { + if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 4) { + error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB_0C, + &info->ext_cap_0c); + if (error) 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]; - } } return 0; } /* - * Identify Touchpad - * See also the SYN_ID_* macros - */ -static int synaptics_identify(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - unsigned char id[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id)) - return -1; - priv->identity = (id[0]<<16) | (id[1]<<8) | id[2]; - if (SYN_ID_IS_SYNAPTICS(priv->identity)) - return 0; - return -1; -} - -/* * 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) +static int synaptics_resolution(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; - unsigned char resp[3]; + u8 resp[3]; + int error; - if (SYN_ID_MAJOR(priv->identity) < 4) + if (SYN_ID_MAJOR(info->identity) < 4) return 0; - if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { + error = synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp); + if (!error) { 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 */ + info->x_res = resp[0]; /* x resolution in units/mm */ + info->y_res = resp[2]; /* y resolution in units/mm */ } } - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && - SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { + if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 5 && + SYN_CAP_MAX_DIMENSIONS(info->ext_cap_0c)) { + error = synaptics_send_cmd(psmouse, + SYN_QUE_EXT_MAX_COORDS, resp); + if (error) { 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); + info->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); + info->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); psmouse_info(psmouse, "queried max coordinates: x [..%d], y [..%d]\n", - priv->x_max, priv->y_max); + info->x_max, info->y_max); } } - if (SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c) && - (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 || + if (SYN_CAP_MIN_DIMENSIONS(info->ext_cap_0c) && + (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 7 || /* * Firmware v8.1 does not report proper number of extended * capabilities, but has been proven to report correct min * coordinates. */ - SYN_ID_FULL(priv->identity) == 0x801)) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { + SYN_ID_FULL(info->identity) == 0x801)) { + error = synaptics_send_cmd(psmouse, + SYN_QUE_EXT_MIN_COORDS, resp); + if (error) { psmouse_warn(psmouse, "device claims to have min coordinates query, but I'm not able to read it.\n"); } else { - priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); - priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); + info->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); + info->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); psmouse_info(psmouse, "queried min coordinates: x [%d..], y [%d..]\n", - priv->x_min, priv->y_min); + info->x_min, info->y_min); } } return 0; } +static int synaptics_query_hardware(struct psmouse *psmouse, + struct synaptics_device_info *info) +{ + int error; + + error = synaptics_identify(psmouse, info); + if (error) + return error; + + error = synaptics_model_id(psmouse, info); + if (error) + return error; + + error = synaptics_firmware_id(psmouse, info); + if (error) + return error; + + error = synaptics_query_modes(psmouse, info); + if (error) + return error; + + error = synaptics_capability(psmouse, info); + if (error) + return error; + + error = synaptics_resolution(psmouse, info); + if (error) + return error; + + return 0; +} + +#endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ + +#ifdef CONFIG_MOUSE_PS2_SYNAPTICS + +static bool cr48_profile_sensor; + +#define ANY_BOARD_ID 0 +struct min_max_quirk { + const char * const *pnp_ids; + struct { + u32 min, max; + } board_id; + u32 x_min, x_max, y_min, y_max; +}; + +static const struct min_max_quirk min_max_pnpid_table[] = { + { + (const char * const []){"LEN0033", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1024, 5052, 2258, 4832 + }, + { + (const char * const []){"LEN0042", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1232, 5710, 1156, 4696 + }, + { + (const char * const []){"LEN0034", "LEN0036", "LEN0037", + "LEN0039", "LEN2002", "LEN2004", + NULL}, + {ANY_BOARD_ID, 2961}, + 1024, 5112, 2024, 4832 + }, + { + (const char * const []){"LEN2000", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1024, 5113, 2021, 4832 + }, + { + (const char * const []){"LEN2001", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1024, 5022, 2508, 4832 + }, + { + (const char * const []){"LEN2006", NULL}, + {2691, 2691}, + 1024, 5045, 2457, 4832 + }, + { + (const char * const []){"LEN2006", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1264, 5675, 1171, 4688 + }, + { } +}; + +/* This list has been kindly provided by Synaptics. */ +static const char * const forcepad_pnp_ids[] = { + "SYN300D", + "SYN3014", + NULL +}; + +/***************************************************************************** + * 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; +} + /* * Apply quirk(s) if the hardware matches */ - -static void synaptics_apply_quirks(struct psmouse *psmouse) +static void synaptics_apply_quirks(struct psmouse *psmouse, + struct synaptics_device_info *info) { - struct synaptics_data *priv = psmouse->private; int i; for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { @@ -454,62 +515,45 @@ static void synaptics_apply_quirks(struct psmouse *psmouse) continue; if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID && - priv->board_id < min_max_pnpid_table[i].board_id.min) + info->board_id < min_max_pnpid_table[i].board_id.min) continue; if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID && - priv->board_id > min_max_pnpid_table[i].board_id.max) + info->board_id > min_max_pnpid_table[i].board_id.max) continue; - 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; + info->x_min = min_max_pnpid_table[i].x_min; + info->x_max = min_max_pnpid_table[i].x_max; + info->y_min = min_max_pnpid_table[i].y_min; + info->y_max = min_max_pnpid_table[i].y_max; psmouse_info(psmouse, "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n", - priv->x_min, priv->x_max, - priv->y_min, priv->y_max); + info->x_min, info->x_max, + info->y_min, info->y_max); break; } } -static int synaptics_query_hardware(struct psmouse *psmouse) -{ - if (synaptics_identify(psmouse)) - return -1; - if (synaptics_model_id(psmouse)) - return -1; - if (synaptics_firmware_id(psmouse)) - return -1; - if (synaptics_query_modes(psmouse)) - return -1; - if (synaptics_capability(psmouse)) - return -1; - if (synaptics_resolution(psmouse)) - return -1; - - synaptics_apply_quirks(psmouse); - - return 0; -} - static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) { - static unsigned char param = 0xc8; + static u8 param = 0xc8; struct synaptics_data *priv = psmouse->private; + int error; - if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || - SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) + if (!(SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c))) return 0; - if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) - return -1; + error = psmouse_sliced_command(psmouse, SYN_QUE_MODEL); + if (error) + return error; - if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) - return -1; + error = ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE); + if (error) + return error; /* Advanced gesture mode also sends multi finger data */ - priv->capabilities |= BIT(1); + priv->info.capabilities |= BIT(1); return 0; } @@ -517,6 +561,7 @@ static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) static int synaptics_set_mode(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; + int error; priv->mode = 0; if (priv->absolute_mode) @@ -525,16 +570,21 @@ static int synaptics_set_mode(struct psmouse *psmouse) priv->mode |= SYN_BIT_DISABLE_GESTURE; if (psmouse->rate >= 80) priv->mode |= SYN_BIT_HIGH_RATE; - if (SYN_CAP_EXTENDED(priv->capabilities)) + if (SYN_CAP_EXTENDED(priv->info.capabilities)) priv->mode |= SYN_BIT_W_MODE; - if (synaptics_mode_cmd(psmouse, priv->mode)) - return -1; + error = synaptics_mode_cmd(psmouse, priv->mode); + if (error) + return error; - if (priv->absolute_mode && - synaptics_set_advanced_gesture_mode(psmouse)) { - psmouse_err(psmouse, "Advanced gesture mode init failed.\n"); - return -1; + if (priv->absolute_mode) { + error = synaptics_set_advanced_gesture_mode(psmouse); + if (error) { + psmouse_err(psmouse, + "Advanced gesture mode init failed: %d\n", + error); + return error; + } } return 0; @@ -558,15 +608,20 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) /***************************************************************************** * Synaptics pass-through PS/2 port support ****************************************************************************/ -static int synaptics_pt_write(struct serio *serio, unsigned char c) +static int synaptics_pt_write(struct serio *serio, u8 c) { struct psmouse *parent = serio_get_drvdata(serio->parent); - char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ + u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ + int error; + + error = psmouse_sliced_command(parent, c); + if (error) + return error; + + error = ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE); + if (error) + return error; - if (psmouse_sliced_command(parent, c)) - return -1; - if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE)) - return -1; return 0; } @@ -592,13 +647,12 @@ static void synaptics_pt_stop(struct serio *serio) serio_continue_rx(parent->ps2dev.serio); } -static int synaptics_is_pt_packet(unsigned char *buf) +static int synaptics_is_pt_packet(u8 *buf) { return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; } -static void synaptics_pass_pt_packet(struct serio *ptport, - unsigned char *packet) +static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet) { struct psmouse *child = serio_get_drvdata(ptport); @@ -661,7 +715,7 @@ static void synaptics_pt_create(struct psmouse *psmouse) * Functions to interpret the absolute mode packets ****************************************************************************/ -static void synaptics_parse_agm(const unsigned char buf[], +static void synaptics_parse_agm(const u8 buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw) { @@ -688,31 +742,31 @@ static void synaptics_parse_agm(const unsigned char buf[], } } -static void synaptics_parse_ext_buttons(const unsigned char buf[], +static void synaptics_parse_ext_buttons(const u8 buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw) { unsigned int ext_bits = - (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1; + (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; unsigned int ext_mask = GENMASK(ext_bits - 1, 0); hw->ext_buttons = buf[4] & ext_mask; hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits; } -static int synaptics_parse_hw_state(const unsigned char buf[], +static int synaptics_parse_hw_state(const u8 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)) { + if (SYN_MODEL_NEWABS(priv->info.model_id)) { hw->w = (((buf[0] & 0x30) >> 2) | ((buf[0] & 0x04) >> 1) | ((buf[3] & 0x04) >> 2)); - if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || - SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && + if ((SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)) && hw->w == 2) { synaptics_parse_agm(buf, priv, hw); return 1; @@ -765,7 +819,7 @@ static int synaptics_parse_hw_state(const unsigned char buf[], hw->left = priv->report_press; - } else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { + } else if (SYN_CAP_CLICKPAD(priv->info.ext_cap_0c)) { /* * Clickpad's button is transmitted as middle button, * however, since it is primary button, we will report @@ -773,18 +827,18 @@ static int synaptics_parse_hw_state(const unsigned char buf[], */ hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; - } else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { + } else if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) { hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; if (hw->w == 2) - hw->scroll = (signed char)(buf[1]); + hw->scroll = (s8)buf[1]; } - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { + if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; } - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 0 && + if (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) > 0 && ((buf[0] ^ buf[3]) & 0x02)) { synaptics_parse_ext_buttons(buf, priv, hw); } @@ -853,24 +907,24 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse, { struct input_dev *dev = psmouse->dev; struct synaptics_data *priv = psmouse->private; - int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1; + int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1; int i; - if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap)) + if (!SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap)) return; /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */ - if ((SYN_ID_FULL(priv->identity) == 0x801 || - SYN_ID_FULL(priv->identity) == 0x802) && + if ((SYN_ID_FULL(priv->info.identity) == 0x801 || + SYN_ID_FULL(priv->info.identity) == 0x802) && !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02)) return; - if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) { + if (!SYN_CAP_EXT_BUTTONS_STICK(priv->info.ext_cap_10)) { for (i = 0; i < ext_bits; i++) { input_report_key(dev, BTN_0 + 2 * i, - hw->ext_buttons & (1 << i)); + hw->ext_buttons & BIT(i)); input_report_key(dev, BTN_1 + 2 * i, - hw->ext_buttons & (1 << (i + ext_bits))); + hw->ext_buttons & BIT(i + ext_bits)); } return; } @@ -884,9 +938,9 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse, u8 pt_buttons; /* The trackstick expects at most 3 buttons */ - pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons) | - SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | - SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; + pt_buttons = SYN_EXT_BUTTON_STICK_L(hw->ext_buttons) | + SYN_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 | + SYN_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2; serio_interrupt(priv->pt_port, PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA); @@ -903,10 +957,10 @@ static void synaptics_report_buttons(struct psmouse *psmouse, input_report_key(dev, BTN_LEFT, hw->left); input_report_key(dev, BTN_RIGHT, hw->right); - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) + if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) input_report_key(dev, BTN_MIDDLE, hw->middle); - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { + if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) { input_report_key(dev, BTN_FORWARD, hw->up); input_report_key(dev, BTN_BACK, hw->down); } @@ -931,7 +985,7 @@ static void synaptics_report_mt_data(struct psmouse *psmouse, pos[i].y = synaptics_invert_y(hw[i]->y); } - input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->x_res); + input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->info.x_res); for (i = 0; i < nsemi; i++) { input_mt_slot(dev, slot[i]); @@ -985,6 +1039,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) { struct input_dev *dev = psmouse->dev; struct synaptics_data *priv = psmouse->private; + struct synaptics_device_info *info = &priv->info; struct synaptics_hw_state hw; int num_fingers; int finger_width; @@ -992,7 +1047,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) return; - if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { + if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { synaptics_image_sensor_process(psmouse, &hw); return; } @@ -1020,18 +1075,18 @@ static void synaptics_process_packet(struct psmouse *psmouse) if (hw.z > 0 && hw.x > 1) { num_fingers = 1; finger_width = 5; - if (SYN_CAP_EXTENDED(priv->capabilities)) { + if (SYN_CAP_EXTENDED(info->capabilities)) { switch (hw.w) { case 0 ... 1: - if (SYN_CAP_MULTIFINGER(priv->capabilities)) + if (SYN_CAP_MULTIFINGER(info->capabilities)) num_fingers = hw.w + 2; break; case 2: - if (SYN_MODEL_PEN(priv->model_id)) + if (SYN_MODEL_PEN(info->model_id)) ; /* Nothing, treat a pen as a single finger */ break; case 4 ... 15: - if (SYN_CAP_PALMDETECT(priv->capabilities)) + if (SYN_CAP_PALMDETECT(info->capabilities)) finger_width = hw.w; break; } @@ -1046,7 +1101,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) return; } - if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) + if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) synaptics_report_semi_mt_data(dev, &hw, &priv->agm, num_fingers); @@ -1063,11 +1118,11 @@ static void synaptics_process_packet(struct psmouse *psmouse) } input_report_abs(dev, ABS_PRESSURE, hw.z); - if (SYN_CAP_PALMDETECT(priv->capabilities)) + if (SYN_CAP_PALMDETECT(info->capabilities)) input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { + if (SYN_CAP_MULTIFINGER(info->capabilities)) { input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); } @@ -1077,18 +1132,18 @@ static void synaptics_process_packet(struct psmouse *psmouse) input_sync(dev); } -static int synaptics_validate_byte(struct psmouse *psmouse, - int idx, unsigned char pkt_type) +static bool synaptics_validate_byte(struct psmouse *psmouse, + int idx, enum synaptics_pkt_type 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; + static const u8 newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; + static const u8 newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; + static const u8 newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; + static const u8 oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; + static const u8 oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; + const u8 *packet = psmouse->packet; if (idx < 0 || idx > 4) - return 0; + return false; switch (pkt_type) { @@ -1104,19 +1159,21 @@ static int synaptics_validate_byte(struct psmouse *psmouse, default: psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); - return 0; + return false; } } -static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) +static enum synaptics_pkt_type +synaptics_detect_pkt_type(struct psmouse *psmouse) { int i; - for (i = 0; i < 5; i++) + for (i = 0; i < 5; i++) { if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { psmouse_info(psmouse, "using relaxed packet validation\n"); return SYN_NEWABS_RELAXED; } + } return SYN_NEWABS_STRICT; } @@ -1129,7 +1186,7 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) if (unlikely(priv->pkt_type == SYN_NEWABS)) priv->pkt_type = synaptics_detect_pkt_type(psmouse); - if (SYN_CAP_PASS_THROUGH(priv->capabilities) && + if (SYN_CAP_PASS_THROUGH(priv->info.capabilities) && synaptics_is_pt_packet(psmouse->packet)) { if (priv->pt_port) synaptics_pass_pt_packet(priv->pt_port, @@ -1148,26 +1205,27 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) * Driver initialization/cleanup functions ****************************************************************************/ static void set_abs_position_params(struct input_dev *dev, - struct synaptics_data *priv, int x_code, - int y_code) + struct synaptics_device_info *info, + 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) ? + int x_min = info->x_min ?: XMIN_NOMINAL; + int x_max = info->x_max ?: XMAX_NOMINAL; + int y_min = info->y_min ?: YMIN_NOMINAL; + int y_max = info->y_max ?: YMAX_NOMINAL; + int fuzz = SYN_CAP_REDUCED_FILTERING(info->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); + input_abs_set_res(dev, x_code, info->x_res); + input_abs_set_res(dev, y_code, info->y_res); } static void set_input_params(struct psmouse *psmouse, struct synaptics_data *priv) { struct input_dev *dev = psmouse->dev; + struct synaptics_device_info *info = &priv->info; int i; /* Things that apply to both modes */ @@ -1176,7 +1234,7 @@ static void set_input_params(struct psmouse *psmouse, __set_bit(BTN_LEFT, dev->keybit); __set_bit(BTN_RIGHT, dev->keybit); - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) + if (SYN_CAP_MIDDLE_BUTTON(info->capabilities)) __set_bit(BTN_MIDDLE, dev->keybit); if (!priv->absolute_mode) { @@ -1189,15 +1247,15 @@ static void set_input_params(struct psmouse *psmouse, /* Absolute mode */ __set_bit(EV_ABS, dev->evbit); - set_abs_position_params(dev, priv, ABS_X, ABS_Y); + set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); if (cr48_profile_sensor) input_set_abs_params(dev, ABS_MT_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); + if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) { + set_abs_position_params(dev, info, + 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 | INPUT_MT_TRACK); @@ -1205,9 +1263,9 @@ static void set_input_params(struct psmouse *psmouse, /* 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)) { - set_abs_position_params(dev, priv, ABS_MT_POSITION_X, - ABS_MT_POSITION_Y); + } else if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) { + set_abs_position_params(dev, info, + ABS_MT_POSITION_X, ABS_MT_POSITION_Y); /* * Profile sensor in CR-48 tracks contacts reasonably well, * other non-image sensors with AGM use semi-mt. @@ -1218,35 +1276,35 @@ static void set_input_params(struct psmouse *psmouse, INPUT_MT_TRACK : INPUT_MT_SEMI_MT)); } - if (SYN_CAP_PALMDETECT(priv->capabilities)) + if (SYN_CAP_PALMDETECT(info->capabilities)) input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); __set_bit(BTN_TOUCH, dev->keybit); __set_bit(BTN_TOOL_FINGER, dev->keybit); - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { + if (SYN_CAP_MULTIFINGER(info->capabilities)) { __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); } - if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || - SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { + if (SYN_CAP_FOUR_BUTTON(info->capabilities) || + SYN_CAP_MIDDLE_BUTTON(info->capabilities)) { __set_bit(BTN_FORWARD, dev->keybit); __set_bit(BTN_BACK, dev->keybit); } - if (!SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) - for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) + if (!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) + for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(info->ext_cap); i++) __set_bit(BTN_0 + i, dev->keybit); __clear_bit(EV_REL, dev->evbit); __clear_bit(REL_X, dev->relbit); __clear_bit(REL_Y, dev->relbit); - if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { + if (SYN_CAP_CLICKPAD(info->ext_cap_0c)) { __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && - !SYN_CAP_EXT_BUTTONS_STICK(priv->ext_cap_10)) + !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10)) __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); /* Clickpads report only left button */ __clear_bit(BTN_RIGHT, dev->keybit); @@ -1300,7 +1358,14 @@ static void synaptics_disconnect(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; - if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) + /* + * We might have left a breadcrumb when trying to + * set up SMbus companion. + */ + psmouse_smbus_cleanup(psmouse); + + if (!priv->absolute_mode && + SYN_ID_DISGEST_SUPPORTED(priv->info.identity)) device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_disable_gesture.dattr); @@ -1312,8 +1377,8 @@ static void synaptics_disconnect(struct psmouse *psmouse) static int synaptics_reconnect(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; - struct synaptics_data old_priv = *priv; - unsigned char param[2]; + struct synaptics_device_info info; + u8 param[2]; int retry = 0; int error; @@ -1334,32 +1399,34 @@ static int synaptics_reconnect(struct psmouse *psmouse) } while (error && ++retry < 3); if (error) - return -1; + return error; if (retry > 1) psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); - if (synaptics_query_hardware(psmouse)) { + error = synaptics_query_hardware(psmouse, &info); + if (error) { psmouse_err(psmouse, "Unable to query device.\n"); - return -1; + return error; } - if (synaptics_set_mode(psmouse)) { + error = synaptics_set_mode(psmouse); + if (error) { psmouse_err(psmouse, "Unable to initialize device.\n"); - return -1; + return error; } - 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) { + if (info.identity != priv->info.identity || + info.model_id != priv->info.model_id || + info.capabilities != priv->info.capabilities || + info.ext_cap != priv->info.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; + "hardware appears to be different: id(%u-%u), model(%u-%u), caps(%x-%x), ext(%x-%x).\n", + priv->info.identity, info.identity, + priv->info.model_id, info.model_id, + priv->info.capabilities, info.capabilities, + priv->info.ext_cap, info.ext_cap); + return -ENXIO; } return 0; @@ -1439,36 +1506,22 @@ void __init synaptics_module_init(void) cr48_profile_sensor = dmi_check_system(cr48_dmi_table); } -static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) +static int synaptics_init_ps2(struct psmouse *psmouse, + struct synaptics_device_info *info, + bool absolute_mode) { struct synaptics_data *priv; - int err = -1; + int err; - /* - * 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; - } + synaptics_apply_quirks(psmouse, info); psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); if (!priv) return -ENOMEM; - psmouse_reset(psmouse); - - if (synaptics_query_hardware(psmouse)) { - psmouse_err(psmouse, "Unable to query device.\n"); - goto init_fail; - } - + priv->info = *info; priv->absolute_mode = absolute_mode; - if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) + if (SYN_ID_DISGEST_SUPPORTED(info->identity)) priv->disable_gesture = true; /* @@ -1477,20 +1530,22 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) */ priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids); - if (synaptics_set_mode(psmouse)) { + err = synaptics_set_mode(psmouse); + if (err) { psmouse_err(psmouse, "Unable to initialize device.\n"); goto init_fail; } - priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; + priv->pkt_type = SYN_MODEL_NEWABS(info->model_id) ? + SYN_NEWABS : SYN_OLDABS; psmouse_info(psmouse, - "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#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->ext_cap_10, priv->board_id, priv->firmware_id); + "Touchpad model: %lu, fw: %lu.%lu, id: %#x, caps: %#x/%#x/%#x/%#x, board id: %u, fw id: %u\n", + SYN_ID_MODEL(info->identity), + SYN_ID_MAJOR(info->identity), SYN_ID_MINOR(info->identity), + info->model_id, + info->capabilities, info->ext_cap, info->ext_cap_0c, + info->ext_cap_10, info->board_id, info->firmware_id); set_input_params(psmouse, priv); @@ -1501,8 +1556,8 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) * Hardware info bits seem to be good candidates as they * are documented to be for Synaptics corp. internal use. */ - psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | - (priv->model_id & 0x000000ff); + psmouse->model = ((info->model_id & 0x00ff0000) >> 8) | + (info->model_id & 0x000000ff); if (absolute_mode) { psmouse->protocol_handler = synaptics_process_byte; @@ -1520,7 +1575,7 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) /* Synaptics can usually stay in sync without extra help */ psmouse->resync_time = 0; - if (SYN_CAP_PASS_THROUGH(priv->capabilities)) + if (SYN_CAP_PASS_THROUGH(info->capabilities)) synaptics_pt_create(psmouse); /* @@ -1535,7 +1590,7 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) psmouse->rate = 40; } - if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) { + if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(info->identity)) { err = device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_disable_gesture.dattr); if (err) { @@ -1553,7 +1608,23 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) return err; } -int synaptics_init(struct psmouse *psmouse) +static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) +{ + struct synaptics_device_info info; + int error; + + psmouse_reset(psmouse); + + error = synaptics_query_hardware(psmouse, &info); + if (error) { + psmouse_err(psmouse, "Unable to query device: %d\n", error); + return error; + } + + return synaptics_init_ps2(psmouse, &info, absolute_mode); +} + +int synaptics_init_absolute(struct psmouse *psmouse) { return __synaptics_init(psmouse, true); } @@ -1563,15 +1634,204 @@ int synaptics_init_relative(struct psmouse *psmouse) return __synaptics_init(psmouse, false); } +static int synaptics_setup_ps2(struct psmouse *psmouse, + struct synaptics_device_info *info) +{ + bool absolute_mode = true; + int error; + + /* + * 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 (broken_olpc_ec) { + psmouse_info(psmouse, + "OLPC XO detected, forcing relative protocol.\n"); + absolute_mode = false; + } + + error = synaptics_init_ps2(psmouse, info, absolute_mode); + if (error) + return error; + + return absolute_mode ? PSMOUSE_SYNAPTICS : PSMOUSE_SYNAPTICS_RELATIVE; +} + #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ void __init synaptics_module_init(void) { } -int synaptics_init(struct psmouse *psmouse) +static int __maybe_unused +synaptics_setup_ps2(struct psmouse *psmouse, + struct synaptics_device_info *info) { return -ENOSYS; } #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ + +#ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS + +/* + * The newest Synaptics device can use a secondary bus (called InterTouch) which + * provides a better bandwidth and allow a better control of the touchpads. + * This is used to decide if we need to use this bus or not. + */ +enum { + SYNAPTICS_INTERTOUCH_NOT_SET = -1, + SYNAPTICS_INTERTOUCH_OFF, + SYNAPTICS_INTERTOUCH_ON, +}; + +static int synaptics_intertouch = SYNAPTICS_INTERTOUCH_NOT_SET; +module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644); +MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device."); + +static int synaptics_create_intertouch(struct psmouse *psmouse, + struct synaptics_device_info *info, + bool leave_breadcrumbs) +{ + bool topbuttonpad = + psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && + !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10); + const struct rmi_device_platform_data pdata = { + .sensor_pdata = { + .sensor_type = rmi_sensor_touchpad, + .axis_align.flip_y = true, + /* to prevent cursors jumps: */ + .kernel_tracking = true, + .topbuttonpad = topbuttonpad, + }, + .f30_data = { + .buttonpad = SYN_CAP_CLICKPAD(info->ext_cap_0c), + .trackstick_buttons = + !!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10), + }, + }; + const struct i2c_board_info intertouch_board = { + I2C_BOARD_INFO("rmi4_smbus", 0x2c), + .flags = I2C_CLIENT_HOST_NOTIFY, + }; + + return psmouse_smbus_init(psmouse, &intertouch_board, + &pdata, sizeof(pdata), + leave_breadcrumbs); +} + +/** + * synaptics_setup_intertouch - called once the PS/2 devices are enumerated + * and decides to instantiate a SMBus InterTouch device. + */ +static int synaptics_setup_intertouch(struct psmouse *psmouse, + struct synaptics_device_info *info, + bool leave_breadcrumbs) +{ + int error; + + if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_OFF) + return -ENXIO; + + if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) { + if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && + !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) + return -ENXIO; + } + + psmouse_info(psmouse, "Trying to set up SMBus access\n"); + + error = synaptics_create_intertouch(psmouse, info, leave_breadcrumbs); + if (error) { + if (error == -EAGAIN) + psmouse_info(psmouse, "SMbus companion is not ready yet\n"); + else + psmouse_err(psmouse, "unable to create intertouch device\n"); + + return error; + } + + return 0; +} + +int synaptics_init_smbus(struct psmouse *psmouse) +{ + struct synaptics_device_info info; + int error; + + psmouse_reset(psmouse); + + error = synaptics_query_hardware(psmouse, &info); + if (error) { + psmouse_err(psmouse, "Unable to query device: %d\n", error); + return error; + } + + if (!SYN_CAP_INTERTOUCH(info.ext_cap_0c)) + return -ENXIO; + + return synaptics_create_intertouch(psmouse, &info, false); +} + +#else /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ + +static int __maybe_unused +synaptics_setup_intertouch(struct psmouse *psmouse, + struct synaptics_device_info *info, + bool leave_breadcrumbs) +{ + return -ENOSYS; +} + +int synaptics_init_smbus(struct psmouse *psmouse) +{ + return -ENOSYS; +} + +#endif /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ + +#if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \ + defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS) + +int synaptics_init(struct psmouse *psmouse) +{ + struct synaptics_device_info info; + int error; + int retval; + + psmouse_reset(psmouse); + + error = synaptics_query_hardware(psmouse, &info); + if (error) { + psmouse_err(psmouse, "Unable to query device: %d\n", error); + return error; + } + + if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) { + error = synaptics_setup_intertouch(psmouse, &info, true); + if (!error) + return PSMOUSE_SYNAPTICS_SMBUS; + } + + retval = synaptics_setup_ps2(psmouse, &info); + if (retval < 0) { + /* + * Not using any flavor of Synaptics support, so clean up + * SMbus breadcrumbs, if any. + */ + psmouse_smbus_cleanup(psmouse); + } + + return retval; +} + +#else /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ + +int synaptics_init(struct psmouse *psmouse) +{ + return -ENOSYS; +} + +#endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */ diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 116ae2546ace..fc00e005c611 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -25,36 +25,37 @@ #define SYN_QUE_MEXT_CAPAB_10 0x10 /* synatics modes */ -#define SYN_BIT_ABSOLUTE_MODE (1 << 7) -#define SYN_BIT_HIGH_RATE (1 << 6) -#define SYN_BIT_SLEEP_MODE (1 << 3) -#define SYN_BIT_DISABLE_GESTURE (1 << 2) -#define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1) -#define SYN_BIT_W_MODE (1 << 0) +#define SYN_BIT_ABSOLUTE_MODE BIT(7) +#define SYN_BIT_HIGH_RATE BIT(6) +#define SYN_BIT_SLEEP_MODE BIT(3) +#define SYN_BIT_DISABLE_GESTURE BIT(2) +#define SYN_BIT_FOUR_BYTE_CLIENT BIT(1) +#define SYN_BIT_W_MODE BIT(0) /* synaptics model ID bits */ -#define SYN_MODEL_ROT180(m) ((m) & (1 << 23)) -#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22)) -#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f) -#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f) -#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7)) -#define SYN_MODEL_PEN(m) ((m) & (1 << 6)) -#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5)) -#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f) +#define SYN_MODEL_ROT180(m) ((m) & BIT(23)) +#define SYN_MODEL_PORTRAIT(m) ((m) & BIT(22)) +#define SYN_MODEL_SENSOR(m) (((m) & GENMASK(21, 16)) >> 16) +#define SYN_MODEL_HARDWARE(m) (((m) & GENMASK(15, 9)) >> 9) +#define SYN_MODEL_NEWABS(m) ((m) & BIT(7)) +#define SYN_MODEL_PEN(m) ((m) & BIT(6)) +#define SYN_MODEL_SIMPLIC(m) ((m) & BIT(5)) +#define SYN_MODEL_GEOMETRY(m) ((m) & GENMASK(3, 0)) /* synaptics capability bits */ -#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23)) -#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18)) -#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7)) -#define SYN_CAP_SLEEP(c) ((c) & (1 << 4)) -#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3)) -#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1)) -#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0)) -#define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8) -#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) -#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) -#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) -#define SYN_MEXT_CAP_BIT(m) ((m) & (1 << 1)) +#define SYN_CAP_EXTENDED(c) ((c) & BIT(23)) +#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & BIT(18)) +#define SYN_CAP_PASS_THROUGH(c) ((c) & BIT(7)) +#define SYN_CAP_SLEEP(c) ((c) & BIT(4)) +#define SYN_CAP_FOUR_BUTTON(c) ((c) & BIT(3)) +#define SYN_CAP_MULTIFINGER(c) ((c) & BIT(1)) +#define SYN_CAP_PALMDETECT(c) ((c) & BIT(0)) +#define SYN_CAP_SUBMODEL_ID(c) (((c) & GENMASK(15, 8)) >> 8) +#define SYN_EXT_CAP_REQUESTS(c) (((c) & GENMASK(22, 20)) >> 20) +#define SYN_CAP_MB_MASK GENMASK(15, 12) +#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & SYN_CAP_MB_MASK) >> 12) +#define SYN_CAP_PRODUCT_ID(ec) (((ec) & GENMASK(23, 16)) >> 16) +#define SYN_MEXT_CAP_BIT(m) ((m) & BIT(1)) /* * The following describes response for the 0x0c query. @@ -83,13 +84,14 @@ * hinged at the top. * 2 0x20 report min query 0x0f gives min coord reported */ -#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ -#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ -#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) -#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000) -#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000) -#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400) -#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800) +#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & BIT(20)) /* 1-button ClickPad */ +#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & BIT(8)) /* 2-button ClickPad */ +#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & BIT(17)) +#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & BIT(13)) +#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & BIT(19)) +#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & BIT(10)) +#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & BIT(11)) +#define SYN_CAP_INTERTOUCH(ex0c) ((ex0c) & BIT(14)) /* * The following descibes response for the 0x10 query. @@ -108,42 +110,44 @@ * 3 0xff SecurePad height the height of the SecurePad fingerprint * reader. */ -#define SYN_CAP_EXT_BUTTONS_STICK(ex10) ((ex10) & 0x010000) -#define SYN_CAP_SECUREPAD(ex10) ((ex10) & 0x020000) +#define SYN_CAP_EXT_BUTTONS_STICK(ex10) ((ex10) & BIT(16)) +#define SYN_CAP_SECUREPAD(ex10) ((ex10) & BIT(17)) -#define SYN_CAP_EXT_BUTTON_STICK_L(eb) (!!((eb) & 0x01)) -#define SYN_CAP_EXT_BUTTON_STICK_M(eb) (!!((eb) & 0x02)) -#define SYN_CAP_EXT_BUTTON_STICK_R(eb) (!!((eb) & 0x04)) +#define SYN_EXT_BUTTON_STICK_L(eb) (((eb) & BIT(0)) >> 0) +#define SYN_EXT_BUTTON_STICK_M(eb) (((eb) & BIT(1)) >> 1) +#define SYN_EXT_BUTTON_STICK_R(eb) (((eb) & BIT(2)) >> 2) /* synaptics modes query bits */ -#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) -#define SYN_MODE_RATE(m) ((m) & (1 << 6)) -#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3)) -#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2)) -#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1)) -#define SYN_MODE_WMODE(m) ((m) & (1 << 0)) +#define SYN_MODE_ABSOLUTE(m) ((m) & BIT(7)) +#define SYN_MODE_RATE(m) ((m) & BIT(6)) +#define SYN_MODE_BAUD_SLEEP(m) ((m) & BIT(3)) +#define SYN_MODE_DISABLE_GESTURE(m) ((m) & BIT(2)) +#define SYN_MODE_PACKSIZE(m) ((m) & BIT(1)) +#define SYN_MODE_WMODE(m) ((m) & BIT(0)) /* synaptics identify query bits */ -#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f) -#define SYN_ID_MAJOR(i) ((i) & 0x0f) -#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff) +#define SYN_ID_MODEL(i) (((i) & GENMASK(7, 4)) >> 4) +#define SYN_ID_MAJOR(i) (((i) & GENMASK(3, 0)) >> 0) +#define SYN_ID_MINOR(i) (((i) & GENMASK(23, 16)) >> 16) #define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i)) -#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47) +#define SYN_ID_IS_SYNAPTICS(i) (((i) & GENMASK(15, 8)) == 0x004700U) #define SYN_ID_DISGEST_SUPPORTED(i) (SYN_ID_MAJOR(i) >= 4) /* synaptics special commands */ #define SYN_PS_SET_MODE2 0x14 #define SYN_PS_CLIENT_CMD 0x28 -/* synaptics packet types */ -#define SYN_NEWABS 0 -#define SYN_NEWABS_STRICT 1 -#define SYN_NEWABS_RELAXED 2 -#define SYN_OLDABS 3 - /* amount to fuzz position data when touchpad reports reduced filtering */ #define SYN_REDUCED_FILTER_FUZZ 8 +/* synaptics packet types */ +enum synaptics_pkt_type { + SYN_NEWABS, + SYN_NEWABS_STRICT, + SYN_NEWABS_RELAXED, + SYN_OLDABS, +}; + /* * A structure to describe the state of the touchpad hardware (buttons and pad) */ @@ -157,26 +161,30 @@ struct synaptics_hw_state { unsigned int middle:1; unsigned int up:1; unsigned int down:1; - unsigned char ext_buttons; - signed char scroll; + u8 ext_buttons; + s8 scroll; +}; + +/* Data read from the touchpad */ +struct synaptics_device_info { + u32 model_id; /* Model-ID */ + u32 firmware_id; /* Firmware-ID */ + u32 board_id; /* Board-ID */ + u32 capabilities; /* Capabilities */ + u32 ext_cap; /* Extended Capabilities */ + u32 ext_cap_0c; /* Ext Caps from 0x0c query */ + u32 ext_cap_10; /* Ext Caps from 0x10 query */ + u32 identity; /* Identification */ + u32 x_res, y_res; /* X/Y resolution in units/mm */ + u32 x_max, y_max; /* Max coordinates (from FW) */ + u32 x_min, y_min; /* Min coordinates (from FW) */ }; struct synaptics_data { - /* Data read from the touchpad */ - unsigned long int model_id; /* Model-ID */ - unsigned long int firmware_id; /* Firmware-ID */ - unsigned long int board_id; /* Board-ID */ - unsigned long int capabilities; /* Capabilities */ - unsigned long int ext_cap; /* Extended Capabilities */ - unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */ - unsigned long int ext_cap_10; /* Ext Caps from 0x10 query */ - unsigned long int identity; /* Identification */ - unsigned int x_res, y_res; /* X/Y resolution in units/mm */ - unsigned int x_max, y_max; /* Max coordinates (from FW) */ - unsigned int x_min, y_min; /* Min coordinates (from FW) */ - - unsigned char pkt_type; /* packet type - old, new, etc */ - unsigned char mode; /* current mode byte */ + struct synaptics_device_info info; + + enum synaptics_pkt_type pkt_type; /* packet type - old, new, etc */ + u8 mode; /* current mode byte */ int scroll; bool absolute_mode; /* run in Absolute mode */ @@ -200,8 +208,10 @@ struct synaptics_data { void synaptics_module_init(void); int synaptics_detect(struct psmouse *psmouse, bool set_properties); -int synaptics_init(struct psmouse *psmouse); +int synaptics_init_absolute(struct psmouse *psmouse); int synaptics_init_relative(struct psmouse *psmouse); +int synaptics_init_smbus(struct psmouse *psmouse); +int synaptics_init(struct psmouse *psmouse); void synaptics_reset(struct psmouse *psmouse); #endif /* _SYNAPTICS_H */ diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c index cb2bf203f4ca..8538318d332c 100644 --- a/drivers/input/mouse/synaptics_i2c.c +++ b/drivers/input/mouse/synaptics_i2c.c @@ -652,9 +652,18 @@ static const struct i2c_device_id synaptics_i2c_id_table[] = { }; MODULE_DEVICE_TABLE(i2c, synaptics_i2c_id_table); +#ifdef CONFIG_OF +static const struct of_device_id synaptics_i2c_of_match[] = { + { .compatible = "synaptics,synaptics_i2c", }, + { }, +}; +MODULE_DEVICE_TABLE(of, synaptics_i2c_of_match); +#endif + static struct i2c_driver synaptics_i2c_driver = { .driver = { .name = DRIVER_NAME, + .of_match_table = of_match_ptr(synaptics_i2c_of_match), .pm = &synaptics_i2c_pm, }, |