/* * Freescale MXS Low Resolution Analog-to-Digital Converter driver * * Copyright (c) 2012 DENX Software Engineering, GmbH. * Copyright (c) 2016 Ksenija Stanojevic <ksenija.stanojevic@gmail.com> * * Author: Marek Vasut <marex@denx.de> * * 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, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __MFD_MXS_LRADC_H #define __MFD_MXS_LRADC_H #include <linux/bitops.h> #include <linux/io.h> #include <linux/stmp_device.h> #define LRADC_MAX_DELAY_CHANS 4 #define LRADC_MAX_MAPPED_CHANS 8 #define LRADC_MAX_TOTAL_CHANS 16 #define LRADC_DELAY_TIMER_HZ 2000 #define LRADC_CTRL0 0x00 # define LRADC_CTRL0_MX28_TOUCH_DETECT_ENABLE BIT(23) # define LRADC_CTRL0_MX28_TOUCH_SCREEN_TYPE BIT(22) # define LRADC_CTRL0_MX28_YNNSW /* YM */ BIT(21) # define LRADC_CTRL0_MX28_YPNSW /* YP */ BIT(20) # define LRADC_CTRL0_MX28_YPPSW /* YP */ BIT(19) # define LRADC_CTRL0_MX28_XNNSW /* XM */ BIT(18) # define LRADC_CTRL0_MX28_XNPSW /* XM */ BIT(17) # define LRADC_CTRL0_MX28_XPPSW /* XP */ BIT(16) # define LRADC_CTRL0_MX23_TOUCH_DETECT_ENABLE BIT(20) # define LRADC_CTRL0_MX23_YM BIT(19) # define LRADC_CTRL0_MX23_XM BIT(18) # define LRADC_CTRL0_MX23_YP BIT(17) # define LRADC_CTRL0_MX23_XP BIT(16) # define LRADC_CTRL0_MX28_PLATE_MASK \ (LRADC_CTRL0_MX28_TOUCH_DETECT_ENABLE | \ LRADC_CTRL0_MX28_YNNSW | LRADC_CTRL0_MX28_YPNSW | \ LRADC_CTRL0_MX28_YPPSW | LRADC_CTRL0_MX28_XNNSW | \ LRADC_CTRL0_MX28_XNPSW | LRADC_CTRL0_MX28_XPPSW) # define LRADC_CTRL0_MX23_PLATE_MASK \ (LRADC_CTRL0_MX23_TOUCH_DETECT_ENABLE | \ LRADC_CTRL0_MX23_YM | LRADC_CTRL0_MX23_XM | \ LRADC_CTRL0_MX23_YP | LRADC_CTRL0_MX23_XP) #define LRADC_CTRL1 0x10 #define LRADC_CTRL1_TOUCH_DETECT_IRQ_EN BIT(24) #define LRADC_CTRL1_LRADC_IRQ_EN(n) (1 << ((n) + 16)) #define LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK (0x1fff << 16) #define LRADC_CTRL1_MX23_LRADC_IRQ_EN_MASK (0x01ff << 16) #define LRADC_CTRL1_LRADC_IRQ_EN_OFFSET 16 #define LRADC_CTRL1_TOUCH_DETECT_IRQ BIT(8) #define LRADC_CTRL1_LRADC_IRQ(n) BIT(n) #define LRADC_CTRL1_MX28_LRADC_IRQ_MASK 0x1fff #define LRADC_CTRL1_MX23_LRADC_IRQ_MASK 0x01ff #define LRADC_CTRL1_LRADC_IRQ_OFFSET 0 #define LRADC_CTRL2 0x20 #define LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET 24 #define LRADC_CTRL2_TEMPSENSE_PWD BIT(15) #define LRADC_STATUS 0x40 #define LRADC_STATUS_TOUCH_DETECT_RAW BIT(0) #define LRADC_CH(n) (0x50 + (0x10 * (n))) #define LRADC_CH_ACCUMULATE BIT(29) #define LRADC_CH_NUM_SAMPLES_MASK (0x1f << 24) #define LRADC_CH_NUM_SAMPLES_OFFSET 24 #define LRADC_CH_NUM_SAMPLES(x) \ ((x) << LRADC_CH_NUM_SAMPLES_OFFSET) #define LRADC_CH_VALUE_MASK 0x3ffff #define LRADC_CH_VALUE_OFFSET 0 #define LRADC_DELAY(n) (0xd0 + (0x10 * (n))) #define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xffUL << 24) #define LRADC_DELAY_TRIGGER_LRADCS_OFFSET 24 #define LRADC_DELAY_TRIGGER(x) \ (((x) << LRADC_DELAY_TRIGGER_LRADCS_OFFSET) & \ LRADC_DELAY_TRIGGER_LRADCS_MASK) #define LRADC_DELAY_KICK BIT(20) #define LRADC_DELAY_TRIGGER_DELAYS_MASK (0xf << 16) #define LRADC_DELAY_TRIGGER_DELAYS_OFFSET 16 #define LRADC_DELAY_TRIGGER_DELAYS(x) \ (((x) << LRADC_DELAY_TRIGGER_DELAYS_OFFSET) & \ LRADC_DELAY_TRIGGER_DELAYS_MASK) #define LRADC_DELAY_LOOP_COUNT_MASK (0x1f << 11) #define LRADC_DELAY_LOOP_COUNT_OFFSET 11 #define LRADC_DELAY_LOOP(x) \ (((x) << LRADC_DELAY_LOOP_COUNT_OFFSET) & \ LRADC_DELAY_LOOP_COUNT_MASK) #define LRADC_DELAY_DELAY_MASK 0x7ff #define LRADC_DELAY_DELAY_OFFSET 0 #define LRADC_DELAY_DELAY(x) \ (((x) << LRADC_DELAY_DELAY_OFFSET) & \ LRADC_DELAY_DELAY_MASK) #define LRADC_CTRL4 0x140 #define LRADC_CTRL4_LRADCSELECT_MASK(n) (0xf << ((n) * 4)) #define LRADC_CTRL4_LRADCSELECT_OFFSET(n) ((n) * 4) #define LRADC_CTRL4_LRADCSELECT(n, x) \ (((x) << LRADC_CTRL4_LRADCSELECT_OFFSET(n)) & \ LRADC_CTRL4_LRADCSELECT_MASK(n)) #define LRADC_RESOLUTION 12 #define LRADC_SINGLE_SAMPLE_MASK ((1 << LRADC_RESOLUTION) - 1) #define BUFFER_VCHANS_LIMITED 0x3f #define BUFFER_VCHANS_ALL 0xff /* * Certain LRADC channels are shared between touchscreen * and/or touch-buttons and generic LRADC block. Therefore when using * either of these, these channels are not available for the regular * sampling. The shared channels are as follows: * * CH0 -- Touch button #0 * CH1 -- Touch button #1 * CH2 -- Touch screen XPUL * CH3 -- Touch screen YPLL * CH4 -- Touch screen XNUL * CH5 -- Touch screen YNLR * CH6 -- Touch screen WIPER (5-wire only) * * The bit fields below represents which parts of the LRADC block are * switched into special mode of operation. These channels can not * be sampled as regular LRADC channels. The driver will refuse any * attempt to sample these channels. */ #define CHAN_MASK_TOUCHBUTTON (BIT(1) | BIT(0)) #define CHAN_MASK_TOUCHSCREEN_4WIRE (0xf << 2) #define CHAN_MASK_TOUCHSCREEN_5WIRE (0x1f << 2) enum mxs_lradc_id { IMX23_LRADC, IMX28_LRADC, }; enum mxs_lradc_ts_wires { MXS_LRADC_TOUCHSCREEN_NONE = 0, MXS_LRADC_TOUCHSCREEN_4WIRE, MXS_LRADC_TOUCHSCREEN_5WIRE, }; /** * struct mxs_lradc * @soc: soc type (IMX23 or IMX28) * @clk: 2 kHz clock for delay units * @buffer_vchans: channels that can be used during buffered capture * @touchscreen_wire: touchscreen type (4-wire or 5-wire) * @use_touchbutton: button state (on or off) */ struct mxs_lradc { enum mxs_lradc_id soc; struct clk *clk; u8 buffer_vchans; enum mxs_lradc_ts_wires touchscreen_wire; bool use_touchbutton; }; static inline u32 mxs_lradc_irq_mask(struct mxs_lradc *lradc) { switch (lradc->soc) { case IMX23_LRADC: return LRADC_CTRL1_MX23_LRADC_IRQ_MASK; case IMX28_LRADC: return LRADC_CTRL1_MX28_LRADC_IRQ_MASK; default: return 0; } } #endif /* __MXS_LRADC_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 |
|