ucb1x00.h
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上传日期:2013-02-24
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- /*
- * linux/drivers/misc/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
- #ifdef CONFIG_ARCH_PXA
- /* ucb1400 aclink register mappings: */
- #define UCB_IO_DATA 0x5a
- #define UCB_IO_DIR 0x5c
- #define UCB_IE_RIS 0x5e
- #define UCB_IE_FAL 0x60
- #define UCB_IE_STATUS 0x62
- #define UCB_IE_CLEAR 0x62
- #define UCB_TS_CR 0x64
- #define UCB_ADC_CR 0x66
- #define UCB_ADC_DATA 0x68
- #define UCB_ID 0x7e /* 7c is mfr id, 7e part id (from aclink spec) */
- #define UCB_ADC_DAT(x) ((x) & 0x3ff)
- #else
- /* ucb1x00 SIB register mappings: */
- #define UCB_IO_DATA 0x00
- #define UCB_IO_DIR 0x01
- #define UCB_IE_RIS 0x02
- #define UCB_IE_FAL 0x03
- #define UCB_IE_STATUS 0x04
- #define UCB_IE_CLEAR 0x04
- #define UCB_TC_A 0x05
- #define UCB_TC_B 0x06
- #define UCB_AC_A 0x07
- #define UCB_AC_B 0x08
- #define UCB_TS_CR 0x09
- #define UCB_ADC_CR 0x0a
- #define UCB_ADC_DATA 0x0b
- #define UCB_ID 0x0c
- #define UCB_MODE 0x0d
- #define UCB_ADC_DAT(x) (((x) & 0x7fe0) >> 5)
- #endif
- #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_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_LOOP (1 << 7) /* UCB1200 */
- #define UCB_TC_A_AMPL (1 << 7) /* UCB1300 */
- #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_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_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_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_DAT_VAL (1 << 15)
- #define UCB_ID_1200 0x1004
- #define UCB_ID_1300 0x1005
- #define UCB_ID_1400 0x4304
- #define UCB_ID_1400_BUGGY 0x4303 /* fake ID */
- #define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
- #define UCB_MODE_AUD_OFF_CAN (1 << 13)
- #include "mcp.h"
- struct ucb1x00;
- 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;
- wait_queue_head_t irq_wait;
- struct completion complete;
- struct task_struct *rtask;
- 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];
- };
- /**
- * 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);
- }
- struct ucb1x00 *ucb1x00_get(void);
- 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