hc
2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a
kernel/include/linux/platform_data/i2c-pxa.h
....@@ -1,69 +1,13 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23 * i2c_pxa.h
34 *
45 * Copyright (C) 2002 Intrinsyc Software Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
106 */
117 #ifndef _I2C_PXA_H_
128 #define _I2C_PXA_H_
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-#if 0
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-#define DEF_TIMEOUT 3
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-#else
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-/* need a longer timeout if we're dealing with the fact we may well be
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- * looking at a multi-master environment
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-*/
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-#define DEF_TIMEOUT 32
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-#endif
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-
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-#define BUS_ERROR (-EREMOTEIO)
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-#define XFER_NAKED (-ECONNREFUSED)
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-#define I2C_RETRY (-2000) /* an error has occurred retry transmit */
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-
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-/* ICR initialize bit values
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-*
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-* 15. FM 0 (100 Khz operation)
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-* 14. UR 0 (No unit reset)
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-* 13. SADIE 0 (Disables the unit from interrupting on slave addresses
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-* matching its slave address)
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-* 12. ALDIE 0 (Disables the unit from interrupt when it loses arbitration
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-* in master mode)
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-* 11. SSDIE 0 (Disables interrupts from a slave stop detected, in slave mode)
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-* 10. BEIE 1 (Enable interrupts from detected bus errors, no ACK sent)
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-* 9. IRFIE 1 (Enable interrupts from full buffer received)
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-* 8. ITEIE 1 (Enables the I2C unit to interrupt when transmit buffer empty)
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-* 7. GCD 1 (Disables i2c unit response to general call messages as a slave)
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-* 6. IUE 0 (Disable unit until we change settings)
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-* 5. SCLE 1 (Enables the i2c clock output for master mode (drives SCL)
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-* 4. MA 0 (Only send stop with the ICR stop bit)
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-* 3. TB 0 (We are not transmitting a byte initially)
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-* 2. ACKNAK 0 (Send an ACK after the unit receives a byte)
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-* 1. STOP 0 (Do not send a STOP)
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-* 0. START 0 (Do not send a START)
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-*
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-*/
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-#define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
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-
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-/* I2C status register init values
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- *
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- * 10. BED 1 (Clear bus error detected)
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- * 9. SAD 1 (Clear slave address detected)
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- * 7. IRF 1 (Clear IDBR Receive Full)
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- * 6. ITE 1 (Clear IDBR Transmit Empty)
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- * 5. ALD 1 (Clear Arbitration Loss Detected)
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- * 4. SSD 1 (Clear Slave Stop Detected)
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- */
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-#define I2C_ISR_INIT 0x7FF /* status register init */
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-
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-struct i2c_slave_client;
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-
6410 struct i2c_pxa_platform_data {
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- unsigned int slave_addr;
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- struct i2c_slave_client *slave;
6711 unsigned int class;
6812 unsigned int use_pio :1;
6913 unsigned int fast_mode :1;