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);
855 static inline int cyapa_prepare_wakeup_controls(struct cyapa *cyapa)
866 struct cyapa *cyapa = dev_get_drvdata(dev);
871 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
875 pwr_cmd = cyapa->runtime_suspend_power_mode;
876 sleep_time = cyapa->runtime_suspend_sleep_time;
878 mutex_unlock(&cyapa->state_sync_lock);
881 cyapa->gen == CYAPA_GEN3 ?
890 struct cyapa *cyapa = dev_get_drvdata(dev);
906 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
910 cyapa->runtime_suspend_sleep_time = min_t(u16, time, 1000);
911 cyapa->runtime_suspend_power_mode =
912 cyapa_sleep_time_to_pwr_cmd(cyapa->runtime_suspend_sleep_time);
914 mutex_unlock(&cyapa->state_sync_lock);
937 struct cyapa *cyapa = data;
939 sysfs_unmerge_group(&cyapa->client->dev.kobj,
943 static int cyapa_start_runtime(struct cyapa *cyapa)
945 struct device *dev = &cyapa->client->dev;
948 cyapa->runtime_suspend_power_mode = PWR_MODE_IDLE;
949 cyapa->runtime_suspend_sleep_time =
950 cyapa_pwr_cmd_to_sleep_time(cyapa->runtime_suspend_power_mode);
960 cyapa);
976 static inline int cyapa_start_runtime(struct cyapa *cyapa)
986 struct cyapa *cyapa = dev_get_drvdata(dev);
988 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
992 cyapa->fw_maj_ver, cyapa->fw_min_ver);
993 mutex_unlock(&cyapa->state_sync_lock);
1000 struct cyapa *cyapa = dev_get_drvdata(dev);
1004 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1007 size = sysfs_emit(buf, "%s\n", cyapa->product_id);
1008 mutex_unlock(&cyapa->state_sync_lock);
1012 static int cyapa_firmware(struct cyapa *cyapa, const char *fw_name)
1014 struct device *dev = &cyapa->client->dev;
1025 error = cyapa->ops->check_fw(cyapa, fw);
1040 cyapa_enable_irq_for_cmd(cyapa);
1042 error = cyapa->ops->bl_enter(cyapa);
1048 error = cyapa->ops->bl_activate(cyapa);
1054 error = cyapa->ops->bl_initiate(cyapa, fw);
1060 error = cyapa->ops->update_fw(cyapa, fw);
1067 cyapa_disable_irq_for_cmd(cyapa);
1079 struct cyapa *cyapa = dev_get_drvdata(dev);
1094 if (cyapa->input) {
1100 input_unregister_device(cyapa->input);
1101 cyapa->input = NULL;
1104 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1110 cyapa_reinitialize(cyapa);
1114 error = cyapa_firmware(cyapa, fw_name);
1124 ret = cyapa_reinitialize(cyapa);
1130 mutex_unlock(&cyapa->state_sync_lock);
1139 struct cyapa *cyapa = dev_get_drvdata(dev);
1142 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1146 if (cyapa->operational) {
1147 cyapa_enable_irq_for_cmd(cyapa);
1148 error = cyapa->ops->calibrate_store(dev, attr, buf, count);
1149 cyapa_disable_irq_for_cmd(cyapa);
1154 mutex_unlock(&cyapa->state_sync_lock);
1161 struct cyapa *cyapa = dev_get_drvdata(dev);
1164 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1168 if (cyapa->operational) {
1169 cyapa_enable_irq_for_cmd(cyapa);
1170 error = cyapa->ops->show_baseline(dev, attr, buf);
1171 cyapa_disable_irq_for_cmd(cyapa);
1176 mutex_unlock(&cyapa->state_sync_lock);
1180 static char *cyapa_state_to_string(struct cyapa *cyapa)
1182 switch (cyapa->state) {
1204 struct cyapa *cyapa = dev_get_drvdata(dev);
1208 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1213 cyapa->gen, cyapa_state_to_string(cyapa));
1215 mutex_unlock(&cyapa->state_sync_lock);
1235 ATTRIBUTE_GROUPS(cyapa);
1239 struct cyapa *cyapa = data;
1241 regulator_disable(cyapa->vcc);
1247 struct cyapa *cyapa;
1263 cyapa = devm_kzalloc(dev, sizeof(struct cyapa), GFP_KERNEL);
1264 if (!cyapa)
1269 cyapa->smbus = true;
1271 cyapa->client = client;
1272 i2c_set_clientdata(client, cyapa);
1273 sprintf(cyapa->phys, "i2c-%d-%04x/input0", client->adapter->nr,
1276 cyapa->vcc = devm_regulator_get(dev, "vcc");
1277 if (IS_ERR(cyapa->vcc)) {
1278 error = PTR_ERR(cyapa->vcc);
1283 error = regulator_enable(cyapa->vcc);
1289 error = devm_add_action_or_reset(dev, cyapa_disable_regulator, cyapa);
1296 error = cyapa_initialize(cyapa);
1302 error = cyapa_prepare_wakeup_controls(cyapa);
1308 error = cyapa_start_runtime(cyapa);
1317 "cyapa", cyapa);
1331 if (cyapa->operational) {
1332 error = cyapa_create_input_dev(cyapa);
1346 struct cyapa *cyapa = i2c_get_clientdata(client);
1350 error = mutex_lock_interruptible(&cyapa->input->mutex);
1354 error = mutex_lock_interruptible(&cyapa->state_sync_lock);
1356 mutex_unlock(&cyapa->input->mutex);
1373 if (cyapa->operational) {
1374 power_mode = device_may_wakeup(dev) ? cyapa->suspend_power_mode
1376 error = cyapa->ops->set_power_mode(cyapa, power_mode,
1377 cyapa->suspend_sleep_time, CYAPA_PM_SUSPEND);
1387 if (cyapa->dev_pwr_mode != PWR_MODE_OFF)
1388 cyapa->ops->set_proximity(cyapa, false);
1391 cyapa->irq_wake = (enable_irq_wake(client->irq) == 0);
1393 mutex_unlock(&cyapa->state_sync_lock);
1394 mutex_unlock(&cyapa->input->mutex);
1402 struct cyapa *cyapa = i2c_get_clientdata(client);
1405 mutex_lock(&cyapa->input->mutex);
1406 mutex_lock(&cyapa->state_sync_lock);
1408 if (device_may_wakeup(dev) && cyapa->irq_wake) {
1410 cyapa->irq_wake = false;
1417 error = cyapa_reinitialize(cyapa);
1423 mutex_unlock(&cyapa->state_sync_lock);
1424 mutex_unlock(&cyapa->input->mutex);
1430 struct cyapa *cyapa = dev_get_drvdata(dev);
1433 error = cyapa->ops->set_power_mode(cyapa,
1434 cyapa->runtime_suspend_power_mode,
1435 cyapa->runtime_suspend_sleep_time,
1445 struct cyapa *cyapa = dev_get_drvdata(dev);
1448 error = cyapa->ops->set_power_mode(cyapa,
1462 { "cyapa" },
1479 { .compatible = "cypress,cyapa" },
1487 .name = "cyapa",