Lines Matching +full:omit +full:- +full:battery +full:- +full:class
1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (C) 2011 - 2014 Intel Corporation. All rights reserved.
61 mutex_lock(&adap->adap_lock); in cht_wc_i2c_adap_thread_handler()
64 ret = regmap_read(adap->regmap, CHT_WC_EXTCHGRIRQ, ®); in cht_wc_i2c_adap_thread_handler()
66 dev_err(&adap->adapter.dev, "Error reading extchgrirq reg\n"); in cht_wc_i2c_adap_thread_handler()
67 mutex_unlock(&adap->adap_lock); in cht_wc_i2c_adap_thread_handler()
71 reg &= ~adap->irq_mask; in cht_wc_i2c_adap_thread_handler()
74 ret = regmap_read(adap->regmap, CHT_WC_I2C_RDDATA, &adap->read_data); in cht_wc_i2c_adap_thread_handler()
76 adap->io_error = true; in cht_wc_i2c_adap_thread_handler()
80 * handling the previous ones our irq will re-trigger when we're done. in cht_wc_i2c_adap_thread_handler()
82 ret = regmap_write(adap->regmap, CHT_WC_EXTCHGRIRQ, reg); in cht_wc_i2c_adap_thread_handler()
84 dev_err(&adap->adapter.dev, "Error writing extchgrirq reg\n"); in cht_wc_i2c_adap_thread_handler()
87 adap->io_error |= !!(reg & CHT_WC_EXTCHGRIRQ_NACK_IRQ); in cht_wc_i2c_adap_thread_handler()
88 adap->done = true; in cht_wc_i2c_adap_thread_handler()
91 mutex_unlock(&adap->adap_lock); in cht_wc_i2c_adap_thread_handler()
94 wake_up(&adap->wait); in cht_wc_i2c_adap_thread_handler()
108 generic_handle_irq(adap->client_irq); in cht_wc_i2c_adap_thread_handler()
129 mutex_lock(&adap->adap_lock); in cht_wc_i2c_adap_smbus_xfer()
130 adap->io_error = false; in cht_wc_i2c_adap_smbus_xfer()
131 adap->done = false; in cht_wc_i2c_adap_smbus_xfer()
132 mutex_unlock(&adap->adap_lock); in cht_wc_i2c_adap_smbus_xfer()
134 ret = regmap_write(adap->regmap, CHT_WC_I2C_CLIENT_ADDR, addr); in cht_wc_i2c_adap_smbus_xfer()
139 ret = regmap_write(adap->regmap, CHT_WC_I2C_WRDATA, data->byte); in cht_wc_i2c_adap_smbus_xfer()
144 ret = regmap_write(adap->regmap, CHT_WC_I2C_REG_OFFSET, command); in cht_wc_i2c_adap_smbus_xfer()
148 ret = regmap_write(adap->regmap, CHT_WC_I2C_CTRL, in cht_wc_i2c_adap_smbus_xfer()
154 ret = wait_event_timeout(adap->wait, adap->done, msecs_to_jiffies(30)); in cht_wc_i2c_adap_smbus_xfer()
161 if (!adap->done) in cht_wc_i2c_adap_smbus_xfer()
162 return -ETIMEDOUT; in cht_wc_i2c_adap_smbus_xfer()
166 mutex_lock(&adap->adap_lock); in cht_wc_i2c_adap_smbus_xfer()
167 if (adap->io_error) in cht_wc_i2c_adap_smbus_xfer()
168 ret = -EIO; in cht_wc_i2c_adap_smbus_xfer()
170 data->byte = adap->read_data; in cht_wc_i2c_adap_smbus_xfer()
171 mutex_unlock(&adap->adap_lock); in cht_wc_i2c_adap_smbus_xfer()
182 * We are an i2c-adapter which itself is part of an i2c-client. This means that
183 * transfers done through us take adapter->bus_lock twice, once for our parent
184 * i2c-adapter and once to take our own bus_lock. Lockdep does not like this
186 * i2c-core's i2c_adapter_lock_bus function calls:
187 * rt_mutex_lock_nested(&adapter->bus_lock, i2c_adapter_depth(adapter));
191 * i2c-client and MFD instantiated platform_device in the parent->child chain
198 * break things again since the i2c-mux code expects the root-adapter to have
205 rt_mutex_lock_nested(&adapter->bus_lock, 1); in cht_wc_i2c_adap_lock_bus()
211 return rt_mutex_trylock(&adapter->bus_lock); in cht_wc_i2c_adap_trylock_bus()
217 rt_mutex_unlock(&adapter->bus_lock); in cht_wc_i2c_adap_unlock_bus()
231 mutex_lock(&adap->irqchip_lock); in cht_wc_i2c_irq_lock()
239 if (adap->irq_mask != adap->old_irq_mask) { in cht_wc_i2c_irq_sync_unlock()
240 ret = regmap_write(adap->regmap, CHT_WC_EXTCHGRIRQ_MSK, in cht_wc_i2c_irq_sync_unlock()
241 adap->irq_mask); in cht_wc_i2c_irq_sync_unlock()
243 adap->old_irq_mask = adap->irq_mask; in cht_wc_i2c_irq_sync_unlock()
245 dev_err(&adap->adapter.dev, "Error writing EXTCHGRIRQ_MSK\n"); in cht_wc_i2c_irq_sync_unlock()
248 mutex_unlock(&adap->irqchip_lock); in cht_wc_i2c_irq_sync_unlock()
255 adap->irq_mask &= ~CHT_WC_EXTCHGRIRQ_CLIENT_IRQ; in cht_wc_i2c_irq_enable()
262 adap->irq_mask |= CHT_WC_EXTCHGRIRQ_CLIENT_IRQ; in cht_wc_i2c_irq_disable()
274 "tcpm-source-psy-i2c-fusb302" };
277 PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),
278 PROPERTY_ENTRY_BOOL("omit-battery-class"),
279 PROPERTY_ENTRY_BOOL("disable-reset"),
286 .dev_name = "i2c-fusb302",
305 struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent); in cht_wc_i2c_adap_i2c_probe()
320 adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL); in cht_wc_i2c_adap_i2c_probe()
322 return -ENOMEM; in cht_wc_i2c_adap_i2c_probe()
324 init_waitqueue_head(&adap->wait); in cht_wc_i2c_adap_i2c_probe()
325 mutex_init(&adap->adap_lock); in cht_wc_i2c_adap_i2c_probe()
326 mutex_init(&adap->irqchip_lock); in cht_wc_i2c_adap_i2c_probe()
327 adap->irqchip = cht_wc_i2c_irq_chip; in cht_wc_i2c_adap_i2c_probe()
328 adap->regmap = pmic->regmap; in cht_wc_i2c_adap_i2c_probe()
329 adap->adapter.owner = THIS_MODULE; in cht_wc_i2c_adap_i2c_probe()
330 adap->adapter.class = I2C_CLASS_HWMON; in cht_wc_i2c_adap_i2c_probe()
331 adap->adapter.algo = &cht_wc_i2c_adap_algo; in cht_wc_i2c_adap_i2c_probe()
332 adap->adapter.lock_ops = &cht_wc_i2c_adap_lock_ops; in cht_wc_i2c_adap_i2c_probe()
333 strlcpy(adap->adapter.name, "PMIC I2C Adapter", in cht_wc_i2c_adap_i2c_probe()
334 sizeof(adap->adapter.name)); in cht_wc_i2c_adap_i2c_probe()
335 adap->adapter.dev.parent = &pdev->dev; in cht_wc_i2c_adap_i2c_probe()
337 /* Clear and activate i2c-adapter interrupts, disable client IRQ */ in cht_wc_i2c_adap_i2c_probe()
338 adap->old_irq_mask = adap->irq_mask = ~CHT_WC_EXTCHGRIRQ_ADAP_IRQMASK; in cht_wc_i2c_adap_i2c_probe()
340 ret = regmap_read(adap->regmap, CHT_WC_I2C_RDDATA, ®); in cht_wc_i2c_adap_i2c_probe()
344 ret = regmap_write(adap->regmap, CHT_WC_EXTCHGRIRQ, ~adap->irq_mask); in cht_wc_i2c_adap_i2c_probe()
348 ret = regmap_write(adap->regmap, CHT_WC_EXTCHGRIRQ_MSK, adap->irq_mask); in cht_wc_i2c_adap_i2c_probe()
353 adap->irq_domain = irq_domain_add_linear(pdev->dev.of_node, 1, in cht_wc_i2c_adap_i2c_probe()
355 if (!adap->irq_domain) in cht_wc_i2c_adap_i2c_probe()
356 return -ENOMEM; in cht_wc_i2c_adap_i2c_probe()
358 adap->client_irq = irq_create_mapping(adap->irq_domain, 0); in cht_wc_i2c_adap_i2c_probe()
359 if (!adap->client_irq) { in cht_wc_i2c_adap_i2c_probe()
360 ret = -ENOMEM; in cht_wc_i2c_adap_i2c_probe()
364 irq_set_chip_data(adap->client_irq, adap); in cht_wc_i2c_adap_i2c_probe()
365 irq_set_chip_and_handler(adap->client_irq, &adap->irqchip, in cht_wc_i2c_adap_i2c_probe()
368 ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, in cht_wc_i2c_adap_i2c_probe()
374 i2c_set_adapdata(&adap->adapter, adap); in cht_wc_i2c_adap_i2c_probe()
375 ret = i2c_add_adapter(&adap->adapter); in cht_wc_i2c_adap_i2c_probe()
381 * connected to this i2c bus, and a max17047 fuel-gauge and a fusb302 in cht_wc_i2c_adap_i2c_probe()
382 * USB Type-C controller connected to another i2c bus. In this setup in cht_wc_i2c_adap_i2c_probe()
384 * ACPI device. If this device is present register an i2c-client for in cht_wc_i2c_adap_i2c_probe()
387 if (acpi_dev_present("INT33FE", NULL, -1)) { in cht_wc_i2c_adap_i2c_probe()
388 board_info.irq = adap->client_irq; in cht_wc_i2c_adap_i2c_probe()
389 adap->client = i2c_new_client_device(&adap->adapter, &board_info); in cht_wc_i2c_adap_i2c_probe()
390 if (IS_ERR(adap->client)) { in cht_wc_i2c_adap_i2c_probe()
391 ret = PTR_ERR(adap->client); in cht_wc_i2c_adap_i2c_probe()
400 i2c_del_adapter(&adap->adapter); in cht_wc_i2c_adap_i2c_probe()
402 irq_domain_remove(adap->irq_domain); in cht_wc_i2c_adap_i2c_probe()
410 i2c_unregister_device(adap->client); in cht_wc_i2c_adap_i2c_remove()
411 i2c_del_adapter(&adap->adapter); in cht_wc_i2c_adap_i2c_remove()
412 irq_domain_remove(adap->irq_domain); in cht_wc_i2c_adap_i2c_remove()