diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/i2c.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/i2c.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/include/asm-arm/arch-pxa/i2c.h b/include/asm-arm/arch-pxa/i2c.h deleted file mode 100644 index 80596b013443..000000000000 --- a/include/asm-arm/arch-pxa/i2c.h +++ /dev/null | |||
| @@ -1,77 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * i2c_pxa.h | ||
| 3 | * | ||
| 4 | * Copyright (C) 2002 Intrinsyc Software Inc. | ||
| 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 version 2 as | ||
| 8 | * published by the Free Software Foundation. | ||
| 9 | * | ||
| 10 | */ | ||
| 11 | #ifndef _I2C_PXA_H_ | ||
| 12 | #define _I2C_PXA_H_ | ||
| 13 | |||
| 14 | #if 0 | ||
| 15 | #define DEF_TIMEOUT 3 | ||
| 16 | #else | ||
| 17 | /* need a longer timeout if we're dealing with the fact we may well be | ||
| 18 | * looking at a multi-master environment | ||
| 19 | */ | ||
| 20 | #define DEF_TIMEOUT 32 | ||
| 21 | #endif | ||
| 22 | |||
| 23 | #define BUS_ERROR (-EREMOTEIO) | ||
| 24 | #define XFER_NAKED (-ECONNREFUSED) | ||
| 25 | #define I2C_RETRY (-2000) /* an error has occurred retry transmit */ | ||
| 26 | |||
| 27 | /* ICR initialize bit values | ||
| 28 | * | ||
| 29 | * 15. FM 0 (100 Khz operation) | ||
| 30 | * 14. UR 0 (No unit reset) | ||
| 31 | * 13. SADIE 0 (Disables the unit from interrupting on slave addresses | ||
| 32 | * matching its slave address) | ||
| 33 | * 12. ALDIE 0 (Disables the unit from interrupt when it loses arbitration | ||
| 34 | * in master mode) | ||
| 35 | * 11. SSDIE 0 (Disables interrupts from a slave stop detected, in slave mode) | ||
| 36 | * 10. BEIE 1 (Enable interrupts from detected bus errors, no ACK sent) | ||
| 37 | * 9. IRFIE 1 (Enable interrupts from full buffer received) | ||
| 38 | * 8. ITEIE 1 (Enables the I2C unit to interrupt when transmit buffer empty) | ||
| 39 | * 7. GCD 1 (Disables i2c unit response to general call messages as a slave) | ||
| 40 | * 6. IUE 0 (Disable unit until we change settings) | ||
| 41 | * 5. SCLE 1 (Enables the i2c clock output for master mode (drives SCL) | ||
| 42 | * 4. MA 0 (Only send stop with the ICR stop bit) | ||
| 43 | * 3. TB 0 (We are not transmitting a byte initially) | ||
| 44 | * 2. ACKNAK 0 (Send an ACK after the unit receives a byte) | ||
| 45 | * 1. STOP 0 (Do not send a STOP) | ||
| 46 | * 0. START 0 (Do not send a START) | ||
| 47 | * | ||
| 48 | */ | ||
| 49 | #define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE) | ||
| 50 | |||
| 51 | /* I2C status register init values | ||
| 52 | * | ||
| 53 | * 10. BED 1 (Clear bus error detected) | ||
| 54 | * 9. SAD 1 (Clear slave address detected) | ||
| 55 | * 7. IRF 1 (Clear IDBR Receive Full) | ||
| 56 | * 6. ITE 1 (Clear IDBR Transmit Empty) | ||
| 57 | * 5. ALD 1 (Clear Arbitration Loss Detected) | ||
| 58 | * 4. SSD 1 (Clear Slave Stop Detected) | ||
| 59 | */ | ||
| 60 | #define I2C_ISR_INIT 0x7FF /* status register init */ | ||
| 61 | |||
| 62 | struct i2c_slave_client; | ||
| 63 | |||
| 64 | struct i2c_pxa_platform_data { | ||
| 65 | unsigned int slave_addr; | ||
| 66 | struct i2c_slave_client *slave; | ||
| 67 | unsigned int class; | ||
| 68 | int use_pio; | ||
| 69 | }; | ||
| 70 | |||
| 71 | extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info); | ||
| 72 | |||
| 73 | #ifdef CONFIG_PXA27x | ||
| 74 | extern void pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info); | ||
| 75 | #endif | ||
| 76 | |||
| 77 | #endif | ||