/* SPDX-License-Identifier: GPL-2.0 */ /* * Header file for the compaq Micro MFD */ #ifndef _MFD_IPAQ_MICRO_H_ #define _MFD_IPAQ_MICRO_H_ #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/list.h> #define TX_BUF_SIZE 32 #define RX_BUF_SIZE 16 #define CHAR_SOF 0x02 /* * These are the different messages that can be sent to the microcontroller * to control various aspects. */ #define MSG_VERSION 0x0 #define MSG_KEYBOARD 0x2 #define MSG_TOUCHSCREEN 0x3 #define MSG_EEPROM_READ 0x4 #define MSG_EEPROM_WRITE 0x5 #define MSG_THERMAL_SENSOR 0x6 #define MSG_NOTIFY_LED 0x8 #define MSG_BATTERY 0x9 #define MSG_SPI_READ 0xb #define MSG_SPI_WRITE 0xc #define MSG_BACKLIGHT 0xd /* H3600 only */ #define MSG_CODEC_CTRL 0xe /* H3100 only */ #define MSG_DISPLAY_CTRL 0xf /* H3100 only */ /* state of receiver parser */ enum rx_state { STATE_SOF = 0, /* Next byte should be start of frame */ STATE_ID, /* Next byte is ID & message length */ STATE_DATA, /* Next byte is a data byte */ STATE_CHKSUM /* Next byte should be checksum */ }; /** * struct ipaq_micro_txdev - TX state * @len: length of message in TX buffer * @index: current index into TX buffer * @buf: TX buffer */ struct ipaq_micro_txdev { u8 len; u8 index; u8 buf[TX_BUF_SIZE]; }; /** * struct ipaq_micro_rxdev - RX state * @state: context of RX state machine * @chksum: calculated checksum * @id: message ID from packet * @len: RX buffer length * @index: RX buffer index * @buf: RX buffer */ struct ipaq_micro_rxdev { enum rx_state state; unsigned char chksum; u8 id; unsigned int len; unsigned int index; u8 buf[RX_BUF_SIZE]; }; /** * struct ipaq_micro_msg - message to the iPAQ microcontroller * @id: 4-bit ID of the message * @tx_len: length of TX data * @tx_data: TX data to send * @rx_len: length of receieved RX data * @rx_data: RX data to recieve * @ack: a completion that will be completed when RX is complete * @node: list node if message gets queued */ struct ipaq_micro_msg { u8 id; u8 tx_len; u8 tx_data[TX_BUF_SIZE]; u8 rx_len; u8 rx_data[RX_BUF_SIZE]; struct completion ack; struct list_head node; }; /** * struct ipaq_micro - iPAQ microcontroller state * @dev: corresponding platform device * @base: virtual memory base for underlying serial device * @sdlc: virtual memory base for Synchronous Data Link Controller * @version: version string * @tx: TX state * @rx: RX state * @lock: lock for this state container * @msg: current message * @queue: message queue * @key: callback for asynchronous key events * @key_data: data to pass along with key events * @ts: callback for asynchronous touchscreen events * @ts_data: data to pass along with key events */ struct ipaq_micro { struct device *dev; void __iomem *base; void __iomem *sdlc; char version[5]; struct ipaq_micro_txdev tx; /* transmit ISR state */ struct ipaq_micro_rxdev rx; /* receive ISR state */ spinlock_t lock; struct ipaq_micro_msg *msg; struct list_head queue; void (*key) (void *data, int len, unsigned char *rxdata); void *key_data; void (*ts) (void *data, int len, unsigned char *rxdata); void *ts_data; }; extern int ipaq_micro_tx_msg(struct ipaq_micro *micro, struct ipaq_micro_msg *msg); static inline int ipaq_micro_tx_msg_sync(struct ipaq_micro *micro, struct ipaq_micro_msg *msg) { int ret; init_completion(&msg->ack); ret = ipaq_micro_tx_msg(micro, msg); wait_for_completion(&msg->ack); return ret; } static inline int ipaq_micro_tx_msg_async(struct ipaq_micro *micro, struct ipaq_micro_msg *msg) { init_completion(&msg->ack); return ipaq_micro_tx_msg(micro, msg); } #endif /* _MFD_IPAQ_MICRO_H_ */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
abx500 | Folder | 0755 |
|
|
arizona | Folder | 0755 |
|
|
da9052 | Folder | 0755 |
|
|
da9055 | Folder | 0755 |
|
|
da9062 | Folder | 0755 |
|
|
da9063 | Folder | 0755 |
|
|
da9150 | Folder | 0755 |
|
|
mt6323 | Folder | 0755 |
|
|
mt6397 | Folder | 0755 |
|
|
pcf50633 | Folder | 0755 |
|
|
samsung | Folder | 0755 |
|
|
syscon | Folder | 0755 |
|
|
wm831x | Folder | 0755 |
|
|
wm8350 | Folder | 0755 |
|
|
wm8994 | Folder | 0755 |
|
|
88pm80x.h | File | 9.99 KB | 0644 |
|
88pm860x.h | File | 13.33 KB | 0644 |
|
aat2870.h | File | 4.54 KB | 0644 |
|
ab3100.h | File | 4.16 KB | 0644 |
|
abx500.h | File | 11.72 KB | 0644 |
|
ac100.h | File | 6.12 KB | 0644 |
|
adp5520.h | File | 8.3 KB | 0644 |
|
altera-a10sr.h | File | 3.42 KB | 0644 |
|
as3711.h | File | 2.9 KB | 0644 |
|
as3722.h | File | 15.11 KB | 0644 |
|
asic3.h | File | 12.22 KB | 0644 |
|
atmel-hlcdc.h | File | 2.57 KB | 0644 |
|
axp20x.h | File | 16.91 KB | 0644 |
|
bcm590xx.h | File | 831 B | 0644 |
|
bd9571mwv.h | File | 3.37 KB | 0644 |
|
core.h | File | 4.03 KB | 0644 |
|
cros_ec.h | File | 10.37 KB | 0644 |
|
cros_ec_commands.h | File | 84.45 KB | 0644 |
|
cros_ec_lpc_mec.h | File | 2.77 KB | 0644 |
|
cros_ec_lpc_reg.h | File | 1.9 KB | 0644 |
|
da8xx-cfgchip.h | File | 7.33 KB | 0644 |
|
da903x.h | File | 7.05 KB | 0644 |
|
davinci_voicecodec.h | File | 3.25 KB | 0644 |
|
db8500-prcmu.h | File | 21.68 KB | 0644 |
|
dbx500-prcmu.h | File | 14.34 KB | 0644 |
|
dln2.h | File | 3.53 KB | 0644 |
|
dm355evm_msp.h | File | 2.81 KB | 0644 |
|
ds1wm.h | File | 817 B | 0644 |
|
ezx-pcap.h | File | 7.75 KB | 0644 |
|
hi6421-pmic.h | File | 1.3 KB | 0644 |
|
hi655x-pmic.h | File | 2.03 KB | 0644 |
|
htc-pasic3.h | File | 1.2 KB | 0644 |
|
imx25-tsadc.h | File | 4.86 KB | 0644 |
|
intel_msic.h | File | 15.99 KB | 0644 |
|
intel_soc_pmic.h | File | 1.17 KB | 0644 |
|
intel_soc_pmic_bxtwc.h | File | 2 KB | 0644 |
|
ipaq-micro.h | File | 3.66 KB | 0644 |
|
janz.h | File | 1.03 KB | 0644 |
|
kempld.h | File | 4.16 KB | 0644 |
|
lm3533.h | File | 2.59 KB | 0644 |
|
lp3943.h | File | 2.68 KB | 0644 |
|
lp873x.h | File | 8.69 KB | 0644 |
|
lp87565.h | File | 7.68 KB | 0644 |
|
lp8788-isink.h | File | 1.19 KB | 0644 |
|
lp8788.h | File | 8.84 KB | 0644 |
|
lpc_ich.h | File | 1.23 KB | 0644 |
|
max14577-private.h | File | 15.86 KB | 0644 |
|
max14577.h | File | 2.68 KB | 0644 |
|
max77620.h | File | 10.87 KB | 0644 |
|
max77686-private.h | File | 13.21 KB | 0644 |
|
max77686.h | File | 2.65 KB | 0644 |
|
max77693-common.h | File | 1.27 KB | 0644 |
|
max77693-private.h | File | 17.95 KB | 0644 |
|
max77693.h | File | 2.24 KB | 0644 |
|
max77843-private.h | File | 15.43 KB | 0644 |
|
max8907.h | File | 7.52 KB | 0644 |
|
max8925.h | File | 7.18 KB | 0644 |
|
max8997-private.h | File | 12.43 KB | 0644 |
|
max8997.h | File | 6.04 KB | 0644 |
|
max8998-private.h | File | 5.01 KB | 0644 |
|
max8998.h | File | 3.56 KB | 0644 |
|
mc13783.h | File | 2.83 KB | 0644 |
|
mc13892.h | File | 938 B | 0644 |
|
mc13xxx.h | File | 7.65 KB | 0644 |
|
mcp.h | File | 1.77 KB | 0644 |
|
menelaus.h | File | 1.25 KB | 0644 |
|
motorola-cpcap.h | File | 12.5 KB | 0644 |
|
mxs-lradc.h | File | 6.05 KB | 0644 |
|
palmas.h | File | 149.07 KB | 0644 |
|
qcom_rpm.h | File | 293 B | 0644 |
|
rc5t583.h | File | 9.82 KB | 0644 |
|
rdc321x.h | File | 591 B | 0644 |
|
retu.h | File | 723 B | 0644 |
|
rk808.h | File | 12.51 KB | 0644 |
|
rn5t618.h | File | 7.34 KB | 0644 |
|
rt5033-private.h | File | 7.84 KB | 0644 |
|
rt5033.h | File | 1.21 KB | 0644 |
|
si476x-core.h | File | 15.24 KB | 0644 |
|
si476x-platform.h | File | 6.45 KB | 0644 |
|
si476x-reports.h | File | 4.89 KB | 0644 |
|
sky81452.h | File | 990 B | 0644 |
|
smsc.h | File | 2.85 KB | 0644 |
|
sta2x11-mfd.h | File | 18.72 KB | 0644 |
|
stm32-lptimer.h | File | 1.81 KB | 0644 |
|
stm32-timers.h | File | 3.07 KB | 0644 |
|
stmpe.h | File | 3.38 KB | 0644 |
|
stw481x.h | File | 1.41 KB | 0644 |
|
sun4i-gpadc.h | File | 3.62 KB | 0644 |
|
syscon.h | File | 1.41 KB | 0644 |
|
t7l66xb.h | File | 771 B | 0644 |
|
tc3589x.h | File | 3.91 KB | 0644 |
|
tc6387xb.h | File | 516 B | 0644 |
|
tc6393xb.h | File | 1.51 KB | 0644 |
|
ti-lmu-register.h | File | 7.43 KB | 0644 |
|
ti-lmu.h | File | 1.78 KB | 0644 |
|
ti_am335x_tscadc.h | File | 5.72 KB | 0644 |
|
tmio.h | File | 4.6 KB | 0644 |
|
tps6105x.h | File | 3.03 KB | 0644 |
|
tps65010.h | File | 6.53 KB | 0644 |
|
tps6507x.h | File | 4.94 KB | 0644 |
|
tps65086.h | File | 3.5 KB | 0644 |
|
tps65090.h | File | 4.35 KB | 0644 |
|
tps65217.h | File | 8.24 KB | 0644 |
|
tps65218.h | File | 7.84 KB | 0644 |
|
tps6586x.h | File | 2.71 KB | 0644 |
|
tps65910.h | File | 30.59 KB | 0644 |
|
tps65912.h | File | 9.91 KB | 0644 |
|
tps68470.h | File | 3.33 KB | 0644 |
|
tps80031.h | File | 19.59 KB | 0644 |
|
twl.h | File | 25.58 KB | 0644 |
|
twl4030-audio.h | File | 8.54 KB | 0644 |
|
twl6040.h | File | 7.16 KB | 0644 |
|
ucb1x00.h | File | 6.57 KB | 0644 |
|
viperboard.h | File | 2.95 KB | 0644 |
|
wl1273-core.h | File | 8.3 KB | 0644 |
|
wm8400-audio.h | File | 69.8 KB | 0644 |
|
wm8400-private.h | File | 57.98 KB | 0644 |
|
wm8400.h | File | 1.18 KB | 0644 |
|
wm97xx.h | File | 576 B | 0644 |
|