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/
usr
/
src
/
linux-headers-6.8.0-36-generic
/
include
/
linux
/
mfd
/ [
drwxr-xr-x
]
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ucb1x00.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/mfd/ucb1x00.h * * Copyright (C) 2001 Russell King, All Rights Reserved. */ #ifndef UCB1200_H #define UCB1200_H #include <linux/device.h> #include <linux/mfd/mcp.h> #include <linux/gpio.h> #include <linux/gpio/driver.h> #include <linux/mutex.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) enum ucb1x00_reset { UCB_RST_PROBE, UCB_RST_RESUME, UCB_RST_SUSPEND, UCB_RST_REMOVE, UCB_RST_PROBE_FAIL, }; struct ucb1x00_plat_data { void (*reset)(enum ucb1x00_reset); unsigned irq_base; int gpio_base; unsigned can_wakeup; }; struct ucb1x00 { raw_spinlock_t irq_lock; struct mcp *mcp; unsigned int irq; int irq_base; struct mutex adc_mutex; spinlock_t io_lock; u16 id; u16 io_dir; u16 io_out; u16 adc_cr; u16 irq_fal_enbl; u16 irq_ris_enbl; u16 irq_mask; u16 irq_wake; 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); 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); #endif
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