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  
11  struct pcap_subdev {
12  	int id;
13  	const char *name;
14  	void *platform_data;
15  };
16  
17  struct 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  
26  struct pcap_chip;
27  
28  int ezx_pcap_write(struct pcap_chip *, u8, u32);
29  int ezx_pcap_read(struct pcap_chip *, u8, u32 *);
30  int ezx_pcap_set_bits(struct pcap_chip *, u8, u32, u32);
31  int pcap_to_irq(struct pcap_chip *, int);
32  int irq_to_pcap(struct pcap_chip *, int);
33  int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
34  int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
35  void 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