Lines Matching refs:dln2
18 #include <linux/mfd/dln2.h>
53 static int dln2_i2c_enable(struct dln2_i2c *dln2, bool enable)
60 tx.port = dln2->port;
67 return dln2_transfer_tx(dln2->pdev, cmd, &tx, sizeof(tx));
70 static int dln2_i2c_write(struct dln2_i2c *dln2, u8 addr,
81 } __packed *tx = dln2->buf;
86 tx->port = dln2->port;
94 ret = dln2_transfer_tx(dln2->pdev, DLN2_I2C_WRITE, tx, len);
101 static int dln2_i2c_read(struct dln2_i2c *dln2, u16 addr, u8 *data,
115 } __packed *rx = dln2->buf;
120 tx.port = dln2->port;
126 ret = dln2_transfer(dln2->pdev, DLN2_I2C_READ, &tx, sizeof(tx),
143 struct dln2_i2c *dln2 = i2c_get_adapdata(adapter);
153 ret = dln2_i2c_read(dln2, pmsg->addr, pmsg->buf,
160 ret = dln2_i2c_write(dln2, pmsg->addr, pmsg->buf,
190 struct dln2_i2c *dln2;
194 dln2 = devm_kzalloc(dev, sizeof(*dln2), GFP_KERNEL);
195 if (!dln2)
198 dln2->buf = devm_kmalloc(dev, DLN2_I2C_BUF_SIZE, GFP_KERNEL);
199 if (!dln2->buf)
202 dln2->pdev = pdev;
203 dln2->port = pdata->port;
206 dln2->adapter.owner = THIS_MODULE;
207 dln2->adapter.class = I2C_CLASS_HWMON;
208 dln2->adapter.algo = &dln2_i2c_usb_algorithm;
209 dln2->adapter.quirks = &dln2_i2c_quirks;
210 dln2->adapter.dev.parent = dev;
211 ACPI_COMPANION_SET(&dln2->adapter.dev, ACPI_COMPANION(&pdev->dev));
212 dln2->adapter.dev.of_node = dev->of_node;
213 i2c_set_adapdata(&dln2->adapter, dln2);
214 snprintf(dln2->adapter.name, sizeof(dln2->adapter.name), "%s-%s-%d",
215 "dln2-i2c", dev_name(pdev->dev.parent), dln2->port);
217 platform_set_drvdata(pdev, dln2);
220 ret = dln2_i2c_enable(dln2, true);
225 ret = i2c_add_adapter(&dln2->adapter);
232 dln2_i2c_enable(dln2, false);
239 struct dln2_i2c *dln2 = platform_get_drvdata(pdev);
241 i2c_del_adapter(&dln2->adapter);
242 dln2_i2c_enable(dln2, false);
246 .driver.name = "dln2-i2c",
256 MODULE_ALIAS("platform:dln2-i2c");