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System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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/
usr/
src/
linux-headers-3.0.0-14/
include/
linux/
mfd/
- drwxr-xr-x
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Viewing file: ucb1x00.h (6.81 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/* * linux/include/mfd/ucb1x00.h * * Copyright (C) 2001 Russell King, All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. */ #ifndef UCB1200_H #define UCB1200_H
#include <linux/mfd/mcp.h> #include <linux/gpio.h> #include <linux/semaphore.h>
#define UCB_IO_DATA 0x00 #define UCB_IO_DIR 0x01
#define UCB_IO_0 (1 << 0) #define UCB_IO_1 (1 << 1) #define UCB_IO_2 (1 << 2) #define UCB_IO_3 (1 << 3) #define UCB_IO_4 (1 << 4) #define UCB_IO_5 (1 << 5) #define UCB_IO_6 (1 << 6) #define UCB_IO_7 (1 << 7) #define UCB_IO_8 (1 << 8) #define UCB_IO_9 (1 << 9)
#define UCB_IE_RIS 0x02 #define UCB_IE_FAL 0x03 #define UCB_IE_STATUS 0x04 #define UCB_IE_CLEAR 0x04 #define UCB_IE_ADC (1 << 11) #define UCB_IE_TSPX (1 << 12) #define UCB_IE_TSMX (1 << 13) #define UCB_IE_TCLIP (1 << 14) #define UCB_IE_ACLIP (1 << 15)
#define UCB_IRQ_TSPX 12
#define UCB_TC_A 0x05 #define UCB_TC_A_LOOP (1 << 7) /* UCB1200 */ #define UCB_TC_A_AMPL (1 << 7) /* UCB1300 */
#define UCB_TC_B 0x06 #define UCB_TC_B_VOICE_ENA (1 << 3) #define UCB_TC_B_CLIP (1 << 4) #define UCB_TC_B_ATT (1 << 6) #define UCB_TC_B_SIDE_ENA (1 << 11) #define UCB_TC_B_MUTE (1 << 13) #define UCB_TC_B_IN_ENA (1 << 14) #define UCB_TC_B_OUT_ENA (1 << 15)
#define UCB_AC_A 0x07 #define UCB_AC_B 0x08 #define UCB_AC_B_LOOP (1 << 8) #define UCB_AC_B_MUTE (1 << 13) #define UCB_AC_B_IN_ENA (1 << 14) #define UCB_AC_B_OUT_ENA (1 << 15)
#define UCB_TS_CR 0x09 #define UCB_TS_CR_TSMX_POW (1 << 0) #define UCB_TS_CR_TSPX_POW (1 << 1) #define UCB_TS_CR_TSMY_POW (1 << 2) #define UCB_TS_CR_TSPY_POW (1 << 3) #define UCB_TS_CR_TSMX_GND (1 << 4) #define UCB_TS_CR_TSPX_GND (1 << 5) #define UCB_TS_CR_TSMY_GND (1 << 6) #define UCB_TS_CR_TSPY_GND (1 << 7) #define UCB_TS_CR_MODE_INT (0 << 8) #define UCB_TS_CR_MODE_PRES (1 << 8) #define UCB_TS_CR_MODE_POS (2 << 8) #define UCB_TS_CR_BIAS_ENA (1 << 11) #define UCB_TS_CR_TSPX_LOW (1 << 12) #define UCB_TS_CR_TSMX_LOW (1 << 13)
#define UCB_ADC_CR 0x0a #define UCB_ADC_SYNC_ENA (1 << 0) #define UCB_ADC_VREFBYP_CON (1 << 1) #define UCB_ADC_INP_TSPX (0 << 2) #define UCB_ADC_INP_TSMX (1 << 2) #define UCB_ADC_INP_TSPY (2 << 2) #define UCB_ADC_INP_TSMY (3 << 2) #define UCB_ADC_INP_AD0 (4 << 2) #define UCB_ADC_INP_AD1 (5 << 2) #define UCB_ADC_INP_AD2 (6 << 2) #define UCB_ADC_INP_AD3 (7 << 2) #define UCB_ADC_EXT_REF (1 << 5) #define UCB_ADC_START (1 << 7) #define UCB_ADC_ENA (1 << 15)
#define UCB_ADC_DATA 0x0b #define UCB_ADC_DAT_VAL (1 << 15) #define UCB_ADC_DAT(x) (((x) & 0x7fe0) >> 5)
#define UCB_ID 0x0c #define UCB_ID_1200 0x1004 #define UCB_ID_1300 0x1005 #define UCB_ID_TC35143 0x9712
#define UCB_MODE 0x0d #define UCB_MODE_DYN_VFLAG_ENA (1 << 12) #define UCB_MODE_AUD_OFF_CAN (1 << 13)
struct ucb1x00_irq { void *devid; void (*fn)(int, void *); };
struct ucb1x00 { spinlock_t lock; struct mcp *mcp; unsigned int irq; struct semaphore adc_sem; spinlock_t io_lock; u16 id; u16 io_dir; u16 io_out; u16 adc_cr; u16 irq_fal_enbl; u16 irq_ris_enbl; struct ucb1x00_irq irq_handler[16]; struct device dev; struct list_head node; struct list_head devs; struct gpio_chip gpio; };
struct ucb1x00_driver;
struct ucb1x00_dev { struct list_head dev_node; struct list_head drv_node; struct ucb1x00 *ucb; struct ucb1x00_driver *drv; void *priv; };
struct ucb1x00_driver { struct list_head node; struct list_head devs; int (*add)(struct ucb1x00_dev *dev); void (*remove)(struct ucb1x00_dev *dev); int (*suspend)(struct ucb1x00_dev *dev, pm_message_t state); int (*resume)(struct ucb1x00_dev *dev); };
#define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)
int ucb1x00_register_driver(struct ucb1x00_driver *); void ucb1x00_unregister_driver(struct ucb1x00_driver *);
/** * ucb1x00_clkrate - return the UCB1x00 SIB clock rate * @ucb: UCB1x00 structure describing chip * * Return the SIB clock rate in Hz. */ static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb) { return mcp_get_sclk_rate(ucb->mcp); }
/** * ucb1x00_enable - enable the UCB1x00 SIB clock * @ucb: UCB1x00 structure describing chip * * Enable the SIB clock. This can be called multiple times. */ static inline void ucb1x00_enable(struct ucb1x00 *ucb) { mcp_enable(ucb->mcp); }
/** * ucb1x00_disable - disable the UCB1x00 SIB clock * @ucb: UCB1x00 structure describing chip * * Disable the SIB clock. The SIB clock will only be disabled * when the number of ucb1x00_enable calls match the number of * ucb1x00_disable calls. */ static inline void ucb1x00_disable(struct ucb1x00 *ucb) { mcp_disable(ucb->mcp); }
/** * ucb1x00_reg_write - write a UCB1x00 register * @ucb: UCB1x00 structure describing chip * @reg: UCB1x00 4-bit register index to write * @val: UCB1x00 16-bit value to write * * Write the UCB1x00 register @reg with value @val. The SIB * clock must be running for this function to return. */ static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val) { mcp_reg_write(ucb->mcp, reg, val); }
/** * ucb1x00_reg_read - read a UCB1x00 register * @ucb: UCB1x00 structure describing chip * @reg: UCB1x00 4-bit register index to write * * Read the UCB1x00 register @reg and return its value. The SIB * clock must be running for this function to return. */ static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg) { return mcp_reg_read(ucb->mcp, reg); } /** * ucb1x00_set_audio_divisor - * @ucb: UCB1x00 structure describing chip * @div: SIB clock divisor */ static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div) { mcp_set_audio_divisor(ucb->mcp, div); }
/** * ucb1x00_set_telecom_divisor - * @ucb: UCB1x00 structure describing chip * @div: SIB clock divisor */ static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div) { mcp_set_telecom_divisor(ucb->mcp, div); }
void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int); void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int); unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);
#define UCB_NOSYNC (0) #define UCB_SYNC (1)
unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync); void ucb1x00_adc_enable(struct ucb1x00 *ucb); void ucb1x00_adc_disable(struct ucb1x00 *ucb);
/* * Which edges of the IRQ do you want to control today? */ #define UCB_RISING (1 << 0) #define UCB_FALLING (1 << 1)
int ucb1x00_hook_irq(struct ucb1x00 *ucb, unsigned int idx, void (*fn)(int, void *), void *devid); void ucb1x00_enable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges); void ucb1x00_disable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges); int ucb1x00_free_irq(struct ucb1x00 *ucb, unsigned int idx, void *devid);
#endif
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