1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright 2009 Daniel Ribeiro <drwyrm@gmail.com>
4 *
5 * For further information, please see http://wiki.openezx.org/PCAP2
6 */
7
8#ifndef EZX_PCAP_H
9#define EZX_PCAP_H
10
11struct pcap_subdev {
12	int id;
13	const char *name;
14	void *platform_data;
15};
16
17struct pcap_platform_data {
18	unsigned int irq_base;
19	unsigned int config;
20	int gpio;
21	void (*init) (void *);	/* board specific init */
22	int num_subdevs;
23	struct pcap_subdev *subdevs;
24};
25
26struct pcap_chip;
27
28int ezx_pcap_write(struct pcap_chip *, u8, u32);
29int ezx_pcap_read(struct pcap_chip *, u8, u32 *);
30int ezx_pcap_set_bits(struct pcap_chip *, u8, u32, u32);
31int pcap_to_irq(struct pcap_chip *, int);
32int irq_to_pcap(struct pcap_chip *, int);
33int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
34int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
35void pcap_set_ts_bits(struct pcap_chip *, u32);
36
37#define PCAP_SECOND_PORT	1
38#define PCAP_CS_AH		2
39
40#define PCAP_REGISTER_WRITE_OP_BIT	0x80000000
41#define PCAP_REGISTER_READ_OP_BIT	0x00000000
42
43#define PCAP_REGISTER_VALUE_MASK	0x01ffffff
44#define PCAP_REGISTER_ADDRESS_MASK	0x7c000000
45#define PCAP_REGISTER_ADDRESS_SHIFT	26
46#define PCAP_REGISTER_NUMBER		32
47#define PCAP_CLEAR_INTERRUPT_REGISTER	0x01ffffff
48#define PCAP_MASK_ALL_INTERRUPT		0x01ffffff
49
50/* registers accessible by both pcap ports */
51#define PCAP_REG_ISR		0x0	/* Interrupt Status */
52#define PCAP_REG_MSR		0x1	/* Interrupt Mask */
53#define PCAP_REG_PSTAT		0x2	/* Processor Status */
54#define PCAP_REG_VREG2		0x6	/* Regulator Bank 2 Control */
55#define PCAP_REG_AUXVREG	0x7	/* Auxiliary Regulator Control */
56#define PCAP_REG_BATT		0x8	/* Battery Control */
57#define PCAP_REG_ADC		0x9	/* AD Control */
58#define PCAP_REG_ADR		0xa	/* AD Result */
59#define PCAP_REG_CODEC		0xb	/* Audio Codec Control */
60#define PCAP_REG_RX_AMPS	0xc	/* RX Audio Amplifiers Control */
61#define PCAP_REG_ST_DAC		0xd	/* Stereo DAC Control */
62#define PCAP_REG_BUSCTRL	0x14	/* Connectivity Control */
63#define PCAP_REG_PERIPH		0x15	/* Peripheral Control */
64#define PCAP_REG_LOWPWR		0x18	/* Regulator Low Power Control */
65#define PCAP_REG_TX_AMPS	0x1a	/* TX Audio Amplifiers Control */
66#define PCAP_REG_GP		0x1b	/* General Purpose */
67#define PCAP_REG_TEST1		0x1c
68#define PCAP_REG_TEST2		0x1d
69#define PCAP_REG_VENDOR_TEST1	0x1e
70#define PCAP_REG_VENDOR_TEST2	0x1f
71
72/* registers accessible by pcap port 1 only (a1200, e2 & e6) */
73#define PCAP_REG_INT_SEL	0x3	/* Interrupt Select */
74#define PCAP_REG_SWCTRL		0x4	/* Switching Regulator Control */
75#define PCAP_REG_VREG1		0x5	/* Regulator Bank 1 Control */
76#define PCAP_REG_RTC_TOD	0xe	/* RTC Time of Day */
77#define PCAP_REG_RTC_TODA	0xf	/* RTC Time of Day Alarm */
78#define PCAP_REG_RTC_DAY	0x10	/* RTC Day */
79#define PCAP_REG_RTC_DAYA	0x11	/* RTC Day Alarm */
80#define PCAP_REG_MTRTMR		0x12	/* AD Monitor Timer */
81#define PCAP_REG_PWR		0x13	/* Power Control */
82#define PCAP_REG_AUXVREG_MASK	0x16	/* Auxiliary Regulator Mask */
83#define PCAP_REG_VENDOR_REV	0x17
84#define PCAP_REG_PERIPH_MASK	0x19	/* Peripheral Mask */
85
86/* PCAP2 Interrupts */
87#define PCAP_NIRQS		23
88#define PCAP_IRQ_ADCDONE	0	/* ADC done port 1 */
89#define PCAP_IRQ_TS		1	/* Touch Screen */
90#define PCAP_IRQ_1HZ		2	/* 1HZ timer */
91#define PCAP_IRQ_WH		3	/* ADC above high limit */
92#define PCAP_IRQ_WL		4	/* ADC below low limit */
93#define PCAP_IRQ_TODA		5	/* Time of day alarm */
94#define PCAP_IRQ_USB4V		6	/* USB above 4V */
95#define PCAP_IRQ_ONOFF		7	/* On/Off button */
96#define PCAP_IRQ_ONOFF2		8	/* On/Off button 2 */
97#define PCAP_IRQ_USB1V		9	/* USB above 1V */
98#define PCAP_IRQ_MOBPORT	10
99#define PCAP_IRQ_MIC		11	/* Mic attach/HS button */
100#define PCAP_IRQ_HS		12	/* Headset attach */
101#define PCAP_IRQ_ST		13
102#define PCAP_IRQ_PC		14	/* Power Cut */
103#define PCAP_IRQ_WARM		15
104#define PCAP_IRQ_EOL		16	/* Battery End Of Life */
105#define PCAP_IRQ_CLK		17
106#define PCAP_IRQ_SYSRST		18	/* System Reset */
107#define PCAP_IRQ_DUMMY		19
108#define PCAP_IRQ_ADCDONE2	20	/* ADC done port 2 */
109#define PCAP_IRQ_SOFTRESET	21
110#define PCAP_IRQ_MNEXB		22
111
112/* voltage regulators */
113#define V1		0
114#define V2		1
115#define V3		2
116#define V4		3
117#define V5		4
118#define V6		5
119#define V7		6
120#define V8		7
121#define V9		8
122#define V10		9
123#define VAUX1		10
124#define VAUX2		11
125#define VAUX3		12
126#define VAUX4		13
127#define VSIM		14
128#define VSIM2		15
129#define VVIB		16
130#define SW1		17
131#define SW2		18
132#define SW3		19
133#define SW1S		20
134#define SW2S		21
135
136#define PCAP_BATT_DAC_MASK		0x000000ff
137#define PCAP_BATT_DAC_SHIFT		0
138#define PCAP_BATT_B_FDBK		(1 << 8)
139#define PCAP_BATT_EXT_ISENSE		(1 << 9)
140#define PCAP_BATT_V_COIN_MASK		0x00003c00
141#define PCAP_BATT_V_COIN_SHIFT		10
142#define PCAP_BATT_I_COIN		(1 << 14)
143#define PCAP_BATT_COIN_CH_EN		(1 << 15)
144#define PCAP_BATT_EOL_SEL_MASK		0x000e0000
145#define PCAP_BATT_EOL_SEL_SHIFT		17
146#define PCAP_BATT_EOL_CMP_EN		(1 << 20)
147#define PCAP_BATT_BATT_DET_EN		(1 << 21)
148#define PCAP_BATT_THERMBIAS_CTRL	(1 << 22)
149
150#define PCAP_ADC_ADEN			(1 << 0)
151#define PCAP_ADC_RAND			(1 << 1)
152#define PCAP_ADC_AD_SEL1		(1 << 2)
153#define PCAP_ADC_AD_SEL2		(1 << 3)
154#define PCAP_ADC_ADA1_MASK		0x00000070
155#define PCAP_ADC_ADA1_SHIFT		4
156#define PCAP_ADC_ADA2_MASK		0x00000380
157#define PCAP_ADC_ADA2_SHIFT		7
158#define PCAP_ADC_ATO_MASK		0x00003c00
159#define PCAP_ADC_ATO_SHIFT		10
160#define PCAP_ADC_ATOX			(1 << 14)
161#define PCAP_ADC_MTR1			(1 << 15)
162#define PCAP_ADC_MTR2			(1 << 16)
163#define PCAP_ADC_TS_M_MASK		0x000e0000
164#define PCAP_ADC_TS_M_SHIFT		17
165#define PCAP_ADC_TS_REF_LOWPWR		(1 << 20)
166#define PCAP_ADC_TS_REFENB		(1 << 21)
167#define PCAP_ADC_BATT_I_POLARITY	(1 << 22)
168#define PCAP_ADC_BATT_I_ADC		(1 << 23)
169
170#define PCAP_ADC_BANK_0			0
171#define PCAP_ADC_BANK_1			1
172/* ADC bank 0 */
173#define PCAP_ADC_CH_COIN		0
174#define PCAP_ADC_CH_BATT		1
175#define PCAP_ADC_CH_BPLUS		2
176#define PCAP_ADC_CH_MOBPORTB		3
177#define PCAP_ADC_CH_TEMPERATURE		4
178#define PCAP_ADC_CH_CHARGER_ID		5
179#define PCAP_ADC_CH_AD6			6
180/* ADC bank 1 */
181#define PCAP_ADC_CH_AD7			0
182#define PCAP_ADC_CH_AD8			1
183#define PCAP_ADC_CH_AD9			2
184#define PCAP_ADC_CH_TS_X1		3
185#define PCAP_ADC_CH_TS_X2		4
186#define PCAP_ADC_CH_TS_Y1		5
187#define PCAP_ADC_CH_TS_Y2		6
188
189#define PCAP_ADC_T_NOW			0
190#define PCAP_ADC_T_IN_BURST		1
191#define PCAP_ADC_T_OUT_BURST		2
192
193#define PCAP_ADC_ATO_IN_BURST		6
194#define PCAP_ADC_ATO_OUT_BURST		0
195
196#define PCAP_ADC_TS_M_XY		1
197#define PCAP_ADC_TS_M_PRESSURE		2
198#define PCAP_ADC_TS_M_PLATE_X		3
199#define PCAP_ADC_TS_M_PLATE_Y		4
200#define PCAP_ADC_TS_M_STANDBY		5
201#define PCAP_ADC_TS_M_NONTS		6
202
203#define PCAP_ADR_ADD1_MASK		0x000003ff
204#define PCAP_ADR_ADD1_SHIFT		0
205#define PCAP_ADR_ADD2_MASK		0x000ffc00
206#define PCAP_ADR_ADD2_SHIFT		10
207#define PCAP_ADR_ADINC1			(1 << 20)
208#define PCAP_ADR_ADINC2			(1 << 21)
209#define PCAP_ADR_ASC			(1 << 22)
210#define PCAP_ADR_ONESHOT		(1 << 23)
211
212#define PCAP_BUSCTRL_FSENB		(1 << 0)
213#define PCAP_BUSCTRL_USB_SUSPEND	(1 << 1)
214#define PCAP_BUSCTRL_USB_PU		(1 << 2)
215#define PCAP_BUSCTRL_USB_PD		(1 << 3)
216#define PCAP_BUSCTRL_VUSB_EN		(1 << 4)
217#define PCAP_BUSCTRL_USB_PS		(1 << 5)
218#define PCAP_BUSCTRL_VUSB_MSTR_EN	(1 << 6)
219#define PCAP_BUSCTRL_VBUS_PD_ENB	(1 << 7)
220#define PCAP_BUSCTRL_CURRLIM		(1 << 8)
221#define PCAP_BUSCTRL_RS232ENB		(1 << 9)
222#define PCAP_BUSCTRL_RS232_DIR		(1 << 10)
223#define PCAP_BUSCTRL_SE0_CONN		(1 << 11)
224#define PCAP_BUSCTRL_USB_PDM		(1 << 12)
225#define PCAP_BUSCTRL_BUS_PRI_ADJ	(1 << 24)
226
227/* leds */
228#define PCAP_LED0		0
229#define PCAP_LED1		1
230#define PCAP_BL0		2
231#define PCAP_BL1		3
232#define PCAP_LED_3MA		0
233#define PCAP_LED_4MA		1
234#define PCAP_LED_5MA		2
235#define PCAP_LED_9MA		3
236#define PCAP_LED_T_MASK		0xf
237#define PCAP_LED_C_MASK		0x3
238#define PCAP_BL_MASK		0x1f
239#define PCAP_BL0_SHIFT		0
240#define PCAP_LED0_EN		(1 << 5)
241#define PCAP_LED1_EN		(1 << 6)
242#define PCAP_LED0_T_SHIFT	7
243#define PCAP_LED1_T_SHIFT	11
244#define PCAP_LED0_C_SHIFT	15
245#define PCAP_LED1_C_SHIFT	17
246#define PCAP_BL1_SHIFT		20
247
248/* RTC */
249#define PCAP_RTC_DAY_MASK	0x3fff
250#define PCAP_RTC_TOD_MASK	0xffff
251#define PCAP_RTC_PC_MASK	0x7
252#define SEC_PER_DAY		86400
253
254#endif
255