| /* |
| * ST Microelectronics MFD: stmpe's i2c client specific driver |
| * |
| * Copyright (C) ST-Ericsson SA 2010 |
| * Copyright (C) ST Microelectronics SA 2011 |
| * |
| * License Terms: GNU General Public License, version 2 |
| * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson |
| * Author: Viresh Kumar <viresh.kumar@st.com> for ST Microelectronics |
| */ |
| |
| #include <linux/i2c.h> |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/types.h> |
| #include "stmpe.h" |
| |
| static int i2c_reg_read(struct stmpe *stmpe, u8 reg) |
| { |
| struct i2c_client *i2c = stmpe->client; |
| |
| return i2c_smbus_read_byte_data(i2c, reg); |
| } |
| |
| static int i2c_reg_write(struct stmpe *stmpe, u8 reg, u8 val) |
| { |
| struct i2c_client *i2c = stmpe->client; |
| |
| return i2c_smbus_write_byte_data(i2c, reg, val); |
| } |
| |
| static int i2c_block_read(struct stmpe *stmpe, u8 reg, u8 length, u8 *values) |
| { |
| struct i2c_client *i2c = stmpe->client; |
| |
| return i2c_smbus_read_i2c_block_data(i2c, reg, length, values); |
| } |
| |
| static int i2c_block_write(struct stmpe *stmpe, u8 reg, u8 length, |
| const u8 *values) |
| { |
| struct i2c_client *i2c = stmpe->client; |
| |
| return i2c_smbus_write_i2c_block_data(i2c, reg, length, values); |
| } |
| |
| static struct stmpe_client_info i2c_ci = { |
| .read_byte = i2c_reg_read, |
| .write_byte = i2c_reg_write, |
| .read_block = i2c_block_read, |
| .write_block = i2c_block_write, |
| }; |
| |
| static int __devinit |
| stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) |
| { |
| i2c_ci.data = (void *)id; |
| i2c_ci.irq = i2c->irq; |
| i2c_ci.client = i2c; |
| i2c_ci.dev = &i2c->dev; |
| |
| return stmpe_probe(&i2c_ci, id->driver_data); |
| } |
| |
| static int __devexit stmpe_i2c_remove(struct i2c_client *i2c) |
| { |
| struct stmpe *stmpe = dev_get_drvdata(&i2c->dev); |
| |
| return stmpe_remove(stmpe); |
| } |
| |
| static const struct i2c_device_id stmpe_i2c_id[] = { |
| { "stmpe610", STMPE610 }, |
| { "stmpe801", STMPE801 }, |
| { "stmpe811", STMPE811 }, |
| { "stmpe1601", STMPE1601 }, |
| { "stmpe2401", STMPE2401 }, |
| { "stmpe2403", STMPE2403 }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(i2c, stmpe_id); |
| |
| static struct i2c_driver stmpe_i2c_driver = { |
| .driver.name = "stmpe-i2c", |
| .driver.owner = THIS_MODULE, |
| #ifdef CONFIG_PM |
| .driver.pm = &stmpe_dev_pm_ops, |
| #endif |
| .probe = stmpe_i2c_probe, |
| .remove = __devexit_p(stmpe_i2c_remove), |
| .id_table = stmpe_i2c_id, |
| }; |
| |
| static int __init stmpe_init(void) |
| { |
| return i2c_add_driver(&stmpe_i2c_driver); |
| } |
| subsys_initcall(stmpe_init); |
| |
| static void __exit stmpe_exit(void) |
| { |
| i2c_del_driver(&stmpe_i2c_driver); |
| } |
| module_exit(stmpe_exit); |
| |
| MODULE_LICENSE("GPL v2"); |
| MODULE_DESCRIPTION("STMPE MFD I2C Interface Driver"); |
| MODULE_AUTHOR("Rabin Vincent <rabin.vincent@stericsson.com>"); |