diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/wm97xx.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/wm97xx.h | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/ANDROID_3.4.5/include/linux/wm97xx.h b/ANDROID_3.4.5/include/linux/wm97xx.h deleted file mode 100644 index fd98bb96..00000000 --- a/ANDROID_3.4.5/include/linux/wm97xx.h +++ /dev/null @@ -1,337 +0,0 @@ - -/* - * Register bits and API for Wolfson WM97xx series of codecs - */ - -#ifndef _LINUX_WM97XX_H -#define _LINUX_WM97XX_H - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/ac97_codec.h> -#include <sound/initval.h> -#include <linux/types.h> -#include <linux/list.h> -#include <linux/input.h> /* Input device layer */ -#include <linux/platform_device.h> - -/* - * WM97xx variants - */ -#define WM97xx_GENERIC 0x0000 -#define WM97xx_WM1613 0x1613 - -/* - * WM97xx AC97 Touchscreen registers - */ -#define AC97_WM97XX_DIGITISER1 0x76 -#define AC97_WM97XX_DIGITISER2 0x78 -#define AC97_WM97XX_DIGITISER_RD 0x7a -#define AC97_WM9713_DIG1 0x74 -#define AC97_WM9713_DIG2 AC97_WM97XX_DIGITISER1 -#define AC97_WM9713_DIG3 AC97_WM97XX_DIGITISER2 - -/* - * WM97xx register bits - */ -#define WM97XX_POLL 0x8000 /* initiate a polling measurement */ -#define WM97XX_ADCSEL_X 0x1000 /* x coord measurement */ -#define WM97XX_ADCSEL_Y 0x2000 /* y coord measurement */ -#define WM97XX_ADCSEL_PRES 0x3000 /* pressure measurement */ -#define WM97XX_AUX_ID1 0x4000 -#define WM97XX_AUX_ID2 0x5000 -#define WM97XX_AUX_ID3 0x6000 -#define WM97XX_AUX_ID4 0x7000 -#define WM97XX_ADCSEL_MASK 0x7000 /* ADC selection mask */ -#define WM97XX_COO 0x0800 /* enable coordinate mode */ -#define WM97XX_CTC 0x0400 /* enable continuous mode */ -#define WM97XX_CM_RATE_93 0x0000 /* 93.75Hz continuous rate */ -#define WM97XX_CM_RATE_187 0x0100 /* 187.5Hz continuous rate */ -#define WM97XX_CM_RATE_375 0x0200 /* 375Hz continuous rate */ -#define WM97XX_CM_RATE_750 0x0300 /* 750Hz continuous rate */ -#define WM97XX_CM_RATE_8K 0x00f0 /* 8kHz continuous rate */ -#define WM97XX_CM_RATE_12K 0x01f0 /* 12kHz continuous rate */ -#define WM97XX_CM_RATE_24K 0x02f0 /* 24kHz continuous rate */ -#define WM97XX_CM_RATE_48K 0x03f0 /* 48kHz continuous rate */ -#define WM97XX_CM_RATE_MASK 0x03f0 -#define WM97XX_RATE(i) (((i & 3) << 8) | ((i & 4) ? 0xf0 : 0)) -#define WM97XX_DELAY(i) ((i << 4) & 0x00f0) /* sample delay times */ -#define WM97XX_DELAY_MASK 0x00f0 -#define WM97XX_SLEN 0x0008 /* slot read back enable */ -#define WM97XX_SLT(i) ((i - 5) & 0x7) /* panel slot (5-11) */ -#define WM97XX_SLT_MASK 0x0007 -#define WM97XX_PRP_DETW 0x4000 /* detect on, digitise off, wake */ -#define WM97XX_PRP_DET 0x8000 /* detect on, digitise off, no wake */ -#define WM97XX_PRP_DET_DIG 0xc000 /* setect on, digitise on */ -#define WM97XX_RPR 0x2000 /* wake up on pen down */ -#define WM97XX_PEN_DOWN 0x8000 /* pen is down */ - -/* WM9712 Bits */ -#define WM9712_45W 0x1000 /* set for 5-wire touchscreen */ -#define WM9712_PDEN 0x0800 /* measure only when pen down */ -#define WM9712_WAIT 0x0200 /* wait until adc is read before next sample */ -#define WM9712_PIL 0x0100 /* current used for pressure measurement. set 400uA else 200uA */ -#define WM9712_MASK_HI 0x0040 /* hi on mask pin (47) stops conversions */ -#define WM9712_MASK_EDGE 0x0080 /* rising/falling edge on pin delays sample */ -#define WM9712_MASK_SYNC 0x00c0 /* rising/falling edge on mask initiates sample */ -#define WM9712_RPU(i) (i&0x3f) /* internal pull up on pen detect (64k / rpu) */ -#define WM9712_PD(i) (0x1 << i) /* power management */ - -/* WM9712 Registers */ -#define AC97_WM9712_POWER 0x24 -#define AC97_WM9712_REV 0x58 - -/* WM9705 Bits */ -#define WM9705_PDEN 0x1000 /* measure only when pen is down */ -#define WM9705_PINV 0x0800 /* inverts sense of pen down output */ -#define WM9705_BSEN 0x0400 /* BUSY flag enable, pin47 is 1 when busy */ -#define WM9705_BINV 0x0200 /* invert BUSY (pin47) output */ -#define WM9705_WAIT 0x0100 /* wait until adc is read before next sample */ -#define WM9705_PIL 0x0080 /* current used for pressure measurement. set 400uA else 200uA */ -#define WM9705_PHIZ 0x0040 /* set PHONE and PCBEEP inputs to high impedance */ -#define WM9705_MASK_HI 0x0010 /* hi on mask stops conversions */ -#define WM9705_MASK_EDGE 0x0020 /* rising/falling edge on pin delays sample */ -#define WM9705_MASK_SYNC 0x0030 /* rising/falling edge on mask initiates sample */ -#define WM9705_PDD(i) (i & 0x000f) /* pen detect comparator threshold */ - - -/* WM9713 Bits */ -#define WM9713_PDPOL 0x0400 /* Pen down polarity */ -#define WM9713_POLL 0x0200 /* initiate a polling measurement */ -#define WM9713_CTC 0x0100 /* enable continuous mode */ -#define WM9713_ADCSEL_X 0x0002 /* X measurement */ -#define WM9713_ADCSEL_Y 0x0004 /* Y measurement */ -#define WM9713_ADCSEL_PRES 0x0008 /* Pressure measurement */ -#define WM9713_COO 0x0001 /* enable coordinate mode */ -#define WM9713_45W 0x1000 /* set for 5 wire panel */ -#define WM9713_PDEN 0x0800 /* measure only when pen down */ -#define WM9713_ADCSEL_MASK 0x00fe /* ADC selection mask */ -#define WM9713_WAIT 0x0200 /* coordinate wait */ - -/* AUX ADC ID's */ -#define TS_COMP1 0x0 -#define TS_COMP2 0x1 -#define TS_BMON 0x2 -#define TS_WIPER 0x3 - -/* ID numbers */ -#define WM97XX_ID1 0x574d -#define WM9712_ID2 0x4c12 -#define WM9705_ID2 0x4c05 -#define WM9713_ID2 0x4c13 - -/* Codec GPIO's */ -#define WM97XX_MAX_GPIO 16 -#define WM97XX_GPIO_1 (1 << 1) -#define WM97XX_GPIO_2 (1 << 2) -#define WM97XX_GPIO_3 (1 << 3) -#define WM97XX_GPIO_4 (1 << 4) -#define WM97XX_GPIO_5 (1 << 5) -#define WM97XX_GPIO_6 (1 << 6) -#define WM97XX_GPIO_7 (1 << 7) -#define WM97XX_GPIO_8 (1 << 8) -#define WM97XX_GPIO_9 (1 << 9) -#define WM97XX_GPIO_10 (1 << 10) -#define WM97XX_GPIO_11 (1 << 11) -#define WM97XX_GPIO_12 (1 << 12) -#define WM97XX_GPIO_13 (1 << 13) -#define WM97XX_GPIO_14 (1 << 14) -#define WM97XX_GPIO_15 (1 << 15) - - -#define AC97_LINK_FRAME 21 /* time in uS for AC97 link frame */ - - -/*---------------- Return codes from sample reading functions ---------------*/ - -/* More data is available; call the sample gathering function again */ -#define RC_AGAIN 0x00000001 -/* The returned sample is valid */ -#define RC_VALID 0x00000002 -/* The pen is up (the first RC_VALID without RC_PENUP means pen is down) */ -#define RC_PENUP 0x00000004 -/* The pen is down (RC_VALID implies RC_PENDOWN, but sometimes it is helpful - to tell the handler that the pen is down but we don't know yet his coords, - so the handler should not sleep or wait for pendown irq) */ -#define RC_PENDOWN 0x00000008 - -/* - * The wm97xx driver provides a private API for writing platform-specific - * drivers. - */ - -/* The structure used to return arch specific sampled data into */ -struct wm97xx_data { - int x; - int y; - int p; -}; - -/* - * Codec GPIO status - */ -enum wm97xx_gpio_status { - WM97XX_GPIO_HIGH, - WM97XX_GPIO_LOW -}; - -/* - * Codec GPIO direction - */ -enum wm97xx_gpio_dir { - WM97XX_GPIO_IN, - WM97XX_GPIO_OUT -}; - -/* - * Codec GPIO polarity - */ -enum wm97xx_gpio_pol { - WM97XX_GPIO_POL_HIGH, - WM97XX_GPIO_POL_LOW -}; - -/* - * Codec GPIO sticky - */ -enum wm97xx_gpio_sticky { - WM97XX_GPIO_STICKY, - WM97XX_GPIO_NOTSTICKY -}; - -/* - * Codec GPIO wake - */ -enum wm97xx_gpio_wake { - WM97XX_GPIO_WAKE, - WM97XX_GPIO_NOWAKE -}; - -/* - * Digitiser ioctl commands - */ -#define WM97XX_DIG_START 0x1 -#define WM97XX_DIG_STOP 0x2 -#define WM97XX_PHY_INIT 0x3 -#define WM97XX_AUX_PREPARE 0x4 -#define WM97XX_DIG_RESTORE 0x5 - -struct wm97xx; - -extern struct wm97xx_codec_drv wm9705_codec; -extern struct wm97xx_codec_drv wm9712_codec; -extern struct wm97xx_codec_drv wm9713_codec; - -/* - * Codec driver interface - allows mapping to WM9705/12/13 and newer codecs - */ -struct wm97xx_codec_drv { - u16 id; - char *name; - - /* read 1 sample */ - int (*poll_sample) (struct wm97xx *, int adcsel, int *sample); - - /* read X,Y,[P] in poll */ - int (*poll_touch) (struct wm97xx *, struct wm97xx_data *); - - int (*acc_enable) (struct wm97xx *, int enable); - void (*phy_init) (struct wm97xx *); - void (*dig_enable) (struct wm97xx *, int enable); - void (*dig_restore) (struct wm97xx *); - void (*aux_prepare) (struct wm97xx *); -}; - - -/* Machine specific and accelerated touch operations */ -struct wm97xx_mach_ops { - - /* accelerated touch readback - coords are transmited on AC97 link */ - int acc_enabled; - void (*acc_pen_up) (struct wm97xx *); - int (*acc_pen_down) (struct wm97xx *); - int (*acc_startup) (struct wm97xx *); - void (*acc_shutdown) (struct wm97xx *); - - /* interrupt mask control - required for accelerated operation */ - void (*irq_enable) (struct wm97xx *, int enable); - - /* GPIO pin used for accelerated operation */ - int irq_gpio; - - /* pre and post sample - can be used to minimise any analog noise */ - void (*pre_sample) (int); /* function to run before sampling */ - void (*post_sample) (int); /* function to run after sampling */ -}; - -struct wm97xx { - u16 dig[3], id, gpio[6], misc; /* Cached codec registers */ - u16 dig_save[3]; /* saved during aux reading */ - struct wm97xx_codec_drv *codec; /* attached codec driver*/ - struct input_dev *input_dev; /* touchscreen input device */ - struct snd_ac97 *ac97; /* ALSA codec access */ - struct device *dev; /* ALSA device */ - struct platform_device *battery_dev; - struct platform_device *touch_dev; - struct wm97xx_mach_ops *mach_ops; - struct mutex codec_mutex; - struct delayed_work ts_reader; /* Used to poll touchscreen */ - unsigned long ts_reader_interval; /* Current interval for timer */ - unsigned long ts_reader_min_interval; /* Minimum interval */ - unsigned int pen_irq; /* Pen IRQ number in use */ - struct workqueue_struct *ts_workq; - struct work_struct pen_event_work; - u16 acc_slot; /* AC97 slot used for acc touch data */ - u16 acc_rate; /* acc touch data rate */ - unsigned pen_is_down:1; /* Pen is down */ - unsigned aux_waiting:1; /* aux measurement waiting */ - unsigned pen_probably_down:1; /* used in polling mode */ - u16 variant; /* WM97xx chip variant */ - u16 suspend_mode; /* PRP in suspend mode */ -}; - -struct wm97xx_batt_pdata { - int batt_aux; - int temp_aux; - int charge_gpio; - int min_voltage; - int max_voltage; - int batt_div; - int batt_mult; - int temp_div; - int temp_mult; - int batt_tech; - char *batt_name; -}; - -struct wm97xx_pdata { - struct wm97xx_batt_pdata *batt_pdata; /* battery data */ -}; - -/* - * Codec GPIO access (not supported on WM9705) - * This can be used to set/get codec GPIO and Virtual GPIO status. - */ -enum wm97xx_gpio_status wm97xx_get_gpio(struct wm97xx *wm, u32 gpio); -void wm97xx_set_gpio(struct wm97xx *wm, u32 gpio, - enum wm97xx_gpio_status status); -void wm97xx_config_gpio(struct wm97xx *wm, u32 gpio, - enum wm97xx_gpio_dir dir, - enum wm97xx_gpio_pol pol, - enum wm97xx_gpio_sticky sticky, - enum wm97xx_gpio_wake wake); - -void wm97xx_set_suspend_mode(struct wm97xx *wm, u16 mode); - -/* codec AC97 IO access */ -int wm97xx_reg_read(struct wm97xx *wm, u16 reg); -void wm97xx_reg_write(struct wm97xx *wm, u16 reg, u16 val); - -/* aux adc readback */ -int wm97xx_read_aux_adc(struct wm97xx *wm, u16 adcsel); - -/* machine ops */ -int wm97xx_register_mach_ops(struct wm97xx *, struct wm97xx_mach_ops *); -void wm97xx_unregister_mach_ops(struct wm97xx *); - -#endif |