hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
kernel/include/linux/i2c-smbus.h
....@@ -1,22 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 /*
23 * i2c-smbus.h - SMBus extensions to the I2C protocol
34 *
4
- * Copyright (C) 2010 Jean Delvare <jdelvare@suse.de>
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License as published by
8
- * the Free Software Foundation; either version 2 of the License, or
9
- * (at your option) any later version.
10
- *
11
- * This program is distributed in the hope that it will be useful,
12
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
15
- *
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- * You should have received a copy of the GNU General Public License
17
- * along with this program; if not, write to the Free Software
18
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19
- * MA 02110-1301 USA.
5
+ * Copyright (C) 2010-2019 Jean Delvare <jdelvare@suse.de>
206 */
217
228 #ifndef _LINUX_I2C_SMBUS_H
....@@ -29,24 +15,19 @@
2915
3016 /**
3117 * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
32
- * @alert_edge_triggered: whether the alert interrupt is edge (1) or level (0)
33
- * triggered
3418 * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
3519 * handling
3620 *
3721 * If irq is not specified, the smbus_alert driver doesn't take care of
3822 * interrupt handling. In that case it is up to the I2C bus driver to either
3923 * handle the interrupts or to poll for alerts.
40
- *
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- * If irq is specified then it it crucial that alert_edge_triggered is
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- * properly set.
4324 */
4425 struct i2c_smbus_alert_setup {
4526 int irq;
4627 };
4728
48
-struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter,
49
- struct i2c_smbus_alert_setup *setup);
29
+struct i2c_client *i2c_new_smbus_alert_device(struct i2c_adapter *adapter,
30
+ struct i2c_smbus_alert_setup *setup);
5031 int i2c_handle_smbus_alert(struct i2c_client *ara);
5132
5233 #if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_OF)
....@@ -57,5 +38,23 @@
5738 return 0;
5839 }
5940 #endif
41
+#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_I2C_SLAVE)
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+struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter);
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+void i2c_free_slave_host_notify_device(struct i2c_client *client);
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+#else
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+static inline struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter)
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+{
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+ return ERR_PTR(-ENOSYS);
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+}
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+static inline void i2c_free_slave_host_notify_device(struct i2c_client *client)
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+{
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+}
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+#endif
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+
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+#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_DMI)
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+void i2c_register_spd(struct i2c_adapter *adap);
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+#else
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+static inline void i2c_register_spd(struct i2c_adapter *adap) { }
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+#endif
6059
6160 #endif /* _LINUX_I2C_SMBUS_H */