Lines Matching refs:cyapa
30 #include "cyapa.h"
38 #define CYAPA_FW_NAME "cyapa.bin"
42 static int cyapa_reinitialize(struct cyapa *cyapa);
44 bool cyapa_is_pip_bl_mode(struct cyapa *cyapa)
46 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL)
49 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL)
55 bool cyapa_is_pip_app_mode(struct cyapa *cyapa)
57 if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_APP)
60 if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP)
66 static bool cyapa_is_bootloader_mode(struct cyapa *cyapa)
68 if (cyapa_is_pip_bl_mode(cyapa))
71 if (cyapa->gen == CYAPA_GEN3 &&
72 cyapa->state >= CYAPA_STATE_BL_BUSY &&
73 cyapa->state <= CYAPA_STATE_BL_ACTIVE)
79 static inline bool cyapa_is_operational_mode(struct cyapa *cyapa)
81 if (cyapa_is_pip_app_mode(cyapa))
84 if (cyapa->gen == CYAPA_GEN3 && cyapa->state == CYAPA_STATE_OP)
91 static ssize_t cyapa_i2c_read(struct cyapa *cyapa, u8 reg, size_t len,
94 struct i2c_client *client = cyapa->client;
121 * @cyapa: Handle to this driver
128 static int cyapa_i2c_write(struct cyapa *cyapa, u8 reg,
131 struct i2c_client *client = cyapa->client;
164 static int cyapa_get_state(struct cyapa *cyapa)
169 bool even_addr = ((cyapa->client->addr & 0x0001) == 0);
174 cyapa->state = CYAPA_STATE_NO_DEVICE;
182 error = cyapa_i2c_reg_read_block(cyapa, BL_HEAD_OFFSET, BL_STATUS_SIZE,
190 if (cyapa->smbus && (error == -ETIMEDOUT || error == -ENXIO)) {
192 error = cyapa_read_block(cyapa,
204 cyapa->status[REG_OP_STATUS] = status[REG_OP_STATUS];
205 cyapa->status[REG_BL_STATUS] = status[REG_BL_STATUS];
206 cyapa->status[REG_BL_ERROR] = status[REG_BL_ERROR];
208 if (cyapa->gen == CYAPA_GEN_UNKNOWN ||
209 cyapa->gen == CYAPA_GEN3) {
210 error = cyapa_gen3_ops.state_parse(cyapa,
215 if (cyapa->gen == CYAPA_GEN_UNKNOWN ||
216 cyapa->gen == CYAPA_GEN6 ||
217 cyapa->gen == CYAPA_GEN5) {
218 error = cyapa_pip_state_parse(cyapa,
224 if ((cyapa->gen == CYAPA_GEN_UNKNOWN ||
225 cyapa->gen == CYAPA_GEN5) &&
227 error = cyapa_gen5_ops.state_parse(cyapa,
240 error = cyapa_i2c_write(cyapa, 0, 2, cmd);
246 error = cyapa_i2c_read(cyapa, BL_HEAD_OFFSET,
256 if (cyapa->state <= CYAPA_STATE_BL_BUSY)
279 int cyapa_poll_state(struct cyapa *cyapa, unsigned int timeout)
285 error = cyapa_get_state(cyapa);
286 if (!error && cyapa->state > CYAPA_STATE_BL_BUSY)
311 static int cyapa_check_is_operational(struct cyapa *cyapa)
315 error = cyapa_poll_state(cyapa, 4000);
319 switch (cyapa->gen) {
321 cyapa->ops = &cyapa_gen6_ops;
324 cyapa->ops = &cyapa_gen5_ops;
327 cyapa->ops = &cyapa_gen3_ops;
333 error = cyapa->ops->operational_check(cyapa);
334 if (!error && cyapa_is_operational_mode(cyapa))
335 cyapa->operational = true;
337 cyapa->operational = false;
348 static int cyapa_detect(struct cyapa *cyapa)
350 struct device *dev = &cyapa->client->dev;
353 error = cyapa_check_is_operational(cyapa);
356 cyapa_is_bootloader_mode(cyapa)) {
370 struct cyapa *cyapa = input_get_drvdata(input);
371 struct i2c_client *client = cyapa->client;
375 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
379 if (cyapa->operational) {
385 error = cyapa->ops->set_power_mode(cyapa,
392 error = cyapa_reinitialize(cyapa);
393 if (error || !cyapa->operational) {
409 mutex_unlock(&cyapa->state_sync_lock);
415 struct cyapa *cyapa = input_get_drvdata(input);
416 struct i2c_client *client = cyapa->client;
417 struct device *dev = &cyapa->client->dev;
419 mutex_lock(&cyapa->state_sync_lock);
426 if (cyapa->operational)
427 cyapa->ops->set_power_mode(cyapa,
430 mutex_unlock(&cyapa->state_sync_lock);
433 static int cyapa_create_input_dev(struct cyapa *cyapa)
435 struct device *dev = &cyapa->client->dev;
439 if (!cyapa->physical_size_x || !cyapa->physical_size_y)
449 input->phys = cyapa->phys;
453 input->dev.parent = &cyapa->client->dev;
458 input_set_drvdata(input, cyapa);
463 input_set_abs_params(input, ABS_MT_POSITION_X, 0, cyapa->max_abs_x, 0,
465 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, cyapa->max_abs_y, 0,
467 input_set_abs_params(input, ABS_MT_PRESSURE, 0, cyapa->max_z, 0, 0);
468 if (cyapa->gen > CYAPA_GEN3) {
485 if (cyapa->gen >= CYAPA_GEN5) {
492 cyapa->max_abs_x / cyapa->physical_size_x);
494 cyapa->max_abs_y / cyapa->physical_size_y);
496 if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK)
498 if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK)
500 if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK)
503 if (cyapa->btn_capability == CAPABILITY_LEFT_BTN_MASK)
521 cyapa->input = input;
525 static void cyapa_enable_irq_for_cmd(struct cyapa *cyapa)
527 struct input_dev *input = cyapa->input;
536 if (!input || cyapa->operational)
537 cyapa->ops->set_power_mode(cyapa,
540 if (cyapa->gen >= CYAPA_GEN5)
541 enable_irq(cyapa->client->irq);
545 static void cyapa_disable_irq_for_cmd(struct cyapa *cyapa)
547 struct input_dev *input = cyapa->input;
550 if (cyapa->gen >= CYAPA_GEN5)
551 disable_irq(cyapa->client->irq);
552 if (!input || cyapa->operational)
553 cyapa->ops->set_power_mode(cyapa,
590 static int cyapa_initialize(struct cyapa *cyapa)
594 cyapa->state = CYAPA_STATE_NO_DEVICE;
595 cyapa->gen = CYAPA_GEN_UNKNOWN;
596 mutex_init(&cyapa->state_sync_lock);
602 cyapa->suspend_power_mode = PWR_MODE_SLEEP;
603 cyapa->suspend_sleep_time =
604 cyapa_pwr_cmd_to_sleep_time(cyapa->suspend_power_mode);
607 error = cyapa_gen3_ops.initialize(cyapa);
609 error = cyapa_gen5_ops.initialize(cyapa);
611 error = cyapa_gen6_ops.initialize(cyapa);
615 error = cyapa_detect(cyapa);
620 if (cyapa->operational)
621 cyapa->ops->set_power_mode(cyapa,
627 static int cyapa_reinitialize(struct cyapa *cyapa)
629 struct device *dev = &cyapa->client->dev;
630 struct input_dev *input = cyapa->input;
637 if (cyapa->operational)
638 cyapa->ops->set_power_mode(cyapa,
641 error = cyapa_detect(cyapa);
645 if (!input && cyapa->operational) {
646 error = cyapa_create_input_dev(cyapa);
657 if (cyapa->operational)
658 cyapa->ops->set_power_mode(cyapa,
660 } else if (!error && cyapa->operational) {
678 struct cyapa *cyapa = dev_id;
679 struct device *dev = &cyapa->client->dev;
686 if (cyapa->ops->irq_cmd_handler(cyapa)) {
690 if (!cyapa->input) {
695 cyapa->ops->sort_empty_output_data(cyapa,
700 if (cyapa->operational) {
701 error = cyapa->ops->irq_handler(cyapa);
717 if (!cyapa->operational || error) {
718 if (!mutex_trylock(&cyapa->state_sync_lock)) {
719 cyapa->ops->sort_empty_output_data(cyapa,
723 cyapa_reinitialize(cyapa);
724 mutex_unlock(&cyapa->state_sync_lock);
742 struct cyapa *cyapa = dev_get_drvdata(dev);
748 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
752 pwr_cmd = cyapa->suspend_power_mode;
753 sleep_time = cyapa->suspend_sleep_time;
755 mutex_unlock(&cyapa->state_sync_lock);
768 cyapa->gen == CYAPA_GEN3 ?
781 struct cyapa *cyapa = dev_get_drvdata(dev);
785 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
790 cyapa->suspend_power_mode = PWR_MODE_BTN_ONLY;
792 cyapa->suspend_power_mode = PWR_MODE_OFF;
794 cyapa->suspend_sleep_time = min_t(u16, sleep_time, 1000);
795 cyapa->suspend_power_mode =
796 cyapa_sleep_time_to_pwr_cmd(cyapa->suspend_sleep_time);
801 mutex_unlock(&cyapa->state_sync_lock);
822 struct cyapa *cyapa = data;
824 sysfs_unmerge_group(&cyapa->client->dev.kobj,
828 static int cyapa_prepare_wakeup_controls(struct cyapa *cyapa)
830 struct i2c_client *client = cyapa->client;
844 cyapa_remove_power_wakeup_group, cyapa);
846 cyapa_remove_power_wakeup_group(cyapa);
856 static inline int cyapa_prepare_wakeup_controls(struct cyapa *cyapa)
867 struct cyapa *cyapa = dev_get_drvdata(dev);
872 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
876 pwr_cmd = cyapa->runtime_suspend_power_mode;
877 sleep_time = cyapa->runtime_suspend_sleep_time;
879 mutex_unlock(&cyapa->state_sync_lock);
882 cyapa->gen == CYAPA_GEN3 ?
891 struct cyapa *cyapa = dev_get_drvdata(dev);
907 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
911 cyapa->runtime_suspend_sleep_time = min_t(u16, time, 1000);
912 cyapa->runtime_suspend_power_mode =
913 cyapa_sleep_time_to_pwr_cmd(cyapa->runtime_suspend_sleep_time);
915 mutex_unlock(&cyapa->state_sync_lock);
938 struct cyapa *cyapa = data;
940 sysfs_unmerge_group(&cyapa->client->dev.kobj,
944 static int cyapa_start_runtime(struct cyapa *cyapa)
946 struct device *dev = &cyapa->client->dev;
949 cyapa->runtime_suspend_power_mode = PWR_MODE_IDLE;
950 cyapa->runtime_suspend_sleep_time =
951 cyapa_pwr_cmd_to_sleep_time(cyapa->runtime_suspend_power_mode);
960 error = devm_add_action(dev, cyapa_remove_power_runtime_group, cyapa);
962 cyapa_remove_power_runtime_group(cyapa);
977 static inline int cyapa_start_runtime(struct cyapa *cyapa)
987 struct cyapa *cyapa = dev_get_drvdata(dev);
989 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
992 error = scnprintf(buf, PAGE_SIZE, "%d.%d\n", cyapa->fw_maj_ver,
993 cyapa->fw_min_ver);
994 mutex_unlock(&cyapa->state_sync_lock);
1001 struct cyapa *cyapa = dev_get_drvdata(dev);
1005 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1008 size = scnprintf(buf, PAGE_SIZE, "%s\n", cyapa->product_id);
1009 mutex_unlock(&cyapa->state_sync_lock);
1013 static int cyapa_firmware(struct cyapa *cyapa, const char *fw_name)
1015 struct device *dev = &cyapa->client->dev;
1026 error = cyapa->ops->check_fw(cyapa, fw);
1041 cyapa_enable_irq_for_cmd(cyapa);
1043 error = cyapa->ops->bl_enter(cyapa);
1049 error = cyapa->ops->bl_activate(cyapa);
1055 error = cyapa->ops->bl_initiate(cyapa, fw);
1061 error = cyapa->ops->update_fw(cyapa, fw);
1068 cyapa_disable_irq_for_cmd(cyapa);
1080 struct cyapa *cyapa = dev_get_drvdata(dev);
1095 if (cyapa->input) {
1101 input_unregister_device(cyapa->input);
1102 cyapa->input = NULL;
1105 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1111 cyapa_reinitialize(cyapa);
1115 error = cyapa_firmware(cyapa, fw_name);
1125 ret = cyapa_reinitialize(cyapa);
1131 mutex_unlock(&cyapa->state_sync_lock);
1140 struct cyapa *cyapa = dev_get_drvdata(dev);
1143 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1147 if (cyapa->operational) {
1148 cyapa_enable_irq_for_cmd(cyapa);
1149 error = cyapa->ops->calibrate_store(dev, attr, buf, count);
1150 cyapa_disable_irq_for_cmd(cyapa);
1155 mutex_unlock(&cyapa->state_sync_lock);
1162 struct cyapa *cyapa = dev_get_drvdata(dev);
1165 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1169 if (cyapa->operational) {
1170 cyapa_enable_irq_for_cmd(cyapa);
1171 error = cyapa->ops->show_baseline(dev, attr, buf);
1172 cyapa_disable_irq_for_cmd(cyapa);
1177 mutex_unlock(&cyapa->state_sync_lock);
1181 static char *cyapa_state_to_string(struct cyapa *cyapa)
1183 switch (cyapa->state) {
1205 struct cyapa *cyapa = dev_get_drvdata(dev);
1209 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1214 cyapa->gen, cyapa_state_to_string(cyapa));
1216 mutex_unlock(&cyapa->state_sync_lock);
1243 struct cyapa *cyapa = data;
1245 regulator_disable(cyapa->vcc);
1252 struct cyapa *cyapa;
1268 cyapa = devm_kzalloc(dev, sizeof(struct cyapa), GFP_KERNEL);
1269 if (!cyapa)
1274 cyapa->smbus = true;
1276 cyapa->client = client;
1277 i2c_set_clientdata(client, cyapa);
1278 sprintf(cyapa->phys, "i2c-%d-%04x/input0", client->adapter->nr,
1281 cyapa->vcc = devm_regulator_get(dev, "vcc");
1282 if (IS_ERR(cyapa->vcc)) {
1283 error = PTR_ERR(cyapa->vcc);
1288 error = regulator_enable(cyapa->vcc);
1294 error = devm_add_action(dev, cyapa_disable_regulator, cyapa);
1296 cyapa_disable_regulator(cyapa);
1302 error = cyapa_initialize(cyapa);
1314 error = cyapa_prepare_wakeup_controls(cyapa);
1320 error = cyapa_start_runtime(cyapa);
1329 "cyapa", cyapa);
1343 if (cyapa->operational) {
1344 error = cyapa_create_input_dev(cyapa);
1358 struct cyapa *cyapa = i2c_get_clientdata(client);
1362 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1379 if (cyapa->operational) {
1380 power_mode = device_may_wakeup(dev) ? cyapa->suspend_power_mode
1382 error = cyapa->ops->set_power_mode(cyapa, power_mode,
1383 cyapa->suspend_sleep_time, CYAPA_PM_SUSPEND);
1393 if (cyapa->dev_pwr_mode != PWR_MODE_OFF)
1394 cyapa->ops->set_proximity(cyapa, false);
1397 cyapa->irq_wake = (enable_irq_wake(client->irq) == 0);
1399 mutex_unlock(&cyapa->state_sync_lock);
1406 struct cyapa *cyapa = i2c_get_clientdata(client);
1409 mutex_lock(&cyapa->state_sync_lock);
1411 if (device_may_wakeup(dev) && cyapa->irq_wake) {
1413 cyapa->irq_wake = false;
1420 error = cyapa_reinitialize(cyapa);
1426 mutex_unlock(&cyapa->state_sync_lock);
1432 struct cyapa *cyapa = dev_get_drvdata(dev);
1435 error = cyapa->ops->set_power_mode(cyapa,
1436 cyapa->runtime_suspend_power_mode,
1437 cyapa->runtime_suspend_sleep_time,
1447 struct cyapa *cyapa = dev_get_drvdata(dev);
1450 error = cyapa->ops->set_power_mode(cyapa,
1464 { "cyapa", 0 },
1481 { .compatible = "cypress,cyapa" },
1489 .name = "cyapa",