1 /*
2  * Copyright 2009-2010 Pengutronix
3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
4  *
5  * This program is free software; you can redistribute it and/or modify it under
6  * the terms of the GNU General Public License version 2 as published by the
7  * Free Software Foundation.
8  */
9 #ifndef __LINUX_MFD_MC13XXX_H
10 #define __LINUX_MFD_MC13XXX_H
11 
12 #include <linux/interrupt.h>
13 
14 struct mc13xxx;
15 
16 void mc13xxx_lock(struct mc13xxx *mc13xxx);
17 void mc13xxx_unlock(struct mc13xxx *mc13xxx);
18 
19 int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val);
20 int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val);
21 int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
22 		u32 mask, u32 val);
23 
24 int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
25 		irq_handler_t handler, const char *name, void *dev);
26 int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev);
27 
28 int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
29 		int *enabled, int *pending);
30 
31 int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
32 
33 int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx,
34 		unsigned int mode, unsigned int channel,
35 		u8 ato, bool atox, unsigned int *sample);
36 
37 /* Deprecated calls */
mc13xxx_irq_ack(struct mc13xxx * mc13xxx,int irq)38 static inline int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq)
39 {
40 	return 0;
41 }
42 
mc13xxx_irq_request_nounmask(struct mc13xxx * mc13xxx,int irq,irq_handler_t handler,const char * name,void * dev)43 static inline int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
44 					       irq_handler_t handler,
45 					       const char *name, void *dev)
46 {
47 	return mc13xxx_irq_request(mc13xxx, irq, handler, name, dev);
48 }
49 
50 int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq);
51 int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq);
52 
53 #define MC13783_AUDIO_RX0	36
54 #define MC13783_AUDIO_RX1	37
55 #define MC13783_AUDIO_TX	38
56 #define MC13783_SSI_NETWORK	39
57 #define MC13783_AUDIO_CODEC	40
58 #define MC13783_AUDIO_DAC	41
59 
60 #define MC13XXX_IRQ_ADCDONE	0
61 #define MC13XXX_IRQ_ADCBISDONE	1
62 #define MC13XXX_IRQ_TS		2
63 #define MC13XXX_IRQ_CHGDET	6
64 #define MC13XXX_IRQ_CHGREV	8
65 #define MC13XXX_IRQ_CHGSHORT	9
66 #define MC13XXX_IRQ_CCCV	10
67 #define MC13XXX_IRQ_CHGCURR	11
68 #define MC13XXX_IRQ_BPON	12
69 #define MC13XXX_IRQ_LOBATL	13
70 #define MC13XXX_IRQ_LOBATH	14
71 #define MC13XXX_IRQ_1HZ		24
72 #define MC13XXX_IRQ_TODA	25
73 #define MC13XXX_IRQ_SYSRST	30
74 #define MC13XXX_IRQ_RTCRST	31
75 #define MC13XXX_IRQ_PC		32
76 #define MC13XXX_IRQ_WARM	33
77 #define MC13XXX_IRQ_MEMHLD	34
78 #define MC13XXX_IRQ_THWARNL	36
79 #define MC13XXX_IRQ_THWARNH	37
80 #define MC13XXX_IRQ_CLK		38
81 
82 struct regulator_init_data;
83 
84 struct mc13xxx_regulator_init_data {
85 	int id;
86 	struct regulator_init_data *init_data;
87 	struct device_node *node;
88 };
89 
90 struct mc13xxx_regulator_platform_data {
91 	int num_regulators;
92 	struct mc13xxx_regulator_init_data *regulators;
93 };
94 
95 enum {
96 	/* MC13783 LED IDs */
97 	MC13783_LED_MD,
98 	MC13783_LED_AD,
99 	MC13783_LED_KP,
100 	MC13783_LED_R1,
101 	MC13783_LED_G1,
102 	MC13783_LED_B1,
103 	MC13783_LED_R2,
104 	MC13783_LED_G2,
105 	MC13783_LED_B2,
106 	MC13783_LED_R3,
107 	MC13783_LED_G3,
108 	MC13783_LED_B3,
109 	/* MC13892 LED IDs */
110 	MC13892_LED_MD,
111 	MC13892_LED_AD,
112 	MC13892_LED_KP,
113 	MC13892_LED_R,
114 	MC13892_LED_G,
115 	MC13892_LED_B,
116 	/* MC34708 LED IDs */
117 	MC34708_LED_R,
118 	MC34708_LED_G,
119 };
120 
121 struct mc13xxx_led_platform_data {
122 	int id;
123 	const char *name;
124 	const char *default_trigger;
125 };
126 
127 #define MAX_LED_CONTROL_REGS	6
128 
129 /* MC13783 LED Control 0 */
130 #define MC13783_LED_C0_ENABLE		(1 << 0)
131 #define MC13783_LED_C0_TRIODE_MD	(1 << 7)
132 #define MC13783_LED_C0_TRIODE_AD	(1 << 8)
133 #define MC13783_LED_C0_TRIODE_KP	(1 << 9)
134 #define MC13783_LED_C0_BOOST		(1 << 10)
135 #define MC13783_LED_C0_ABMODE(x)	(((x) & 0x7) << 11)
136 #define MC13783_LED_C0_ABREF(x)		(((x) & 0x3) << 14)
137 /* MC13783 LED Control 1 */
138 #define MC13783_LED_C1_TC1HALF		(1 << 18)
139 #define MC13783_LED_C1_SLEWLIM		(1 << 23)
140 /* MC13783 LED Control 2 */
141 #define MC13783_LED_C2_CURRENT_MD(x)	(((x) & 0x7) << 0)
142 #define MC13783_LED_C2_CURRENT_AD(x)	(((x) & 0x7) << 3)
143 #define MC13783_LED_C2_CURRENT_KP(x)	(((x) & 0x7) << 6)
144 #define MC13783_LED_C2_PERIOD(x)	(((x) & 0x3) << 21)
145 #define MC13783_LED_C2_SLEWLIM		(1 << 23)
146 /* MC13783 LED Control 3 */
147 #define MC13783_LED_C3_CURRENT_R1(x)	(((x) & 0x3) << 0)
148 #define MC13783_LED_C3_CURRENT_G1(x)	(((x) & 0x3) << 2)
149 #define MC13783_LED_C3_CURRENT_B1(x)	(((x) & 0x3) << 4)
150 #define MC13783_LED_C3_PERIOD(x)	(((x) & 0x3) << 21)
151 #define MC13783_LED_C3_TRIODE_TC1	(1 << 23)
152 /* MC13783 LED Control 4 */
153 #define MC13783_LED_C4_CURRENT_R2(x)	(((x) & 0x3) << 0)
154 #define MC13783_LED_C4_CURRENT_G2(x)	(((x) & 0x3) << 2)
155 #define MC13783_LED_C4_CURRENT_B2(x)	(((x) & 0x3) << 4)
156 #define MC13783_LED_C4_PERIOD(x)	(((x) & 0x3) << 21)
157 #define MC13783_LED_C4_TRIODE_TC2	(1 << 23)
158 /* MC13783 LED Control 5 */
159 #define MC13783_LED_C5_CURRENT_R3(x)	(((x) & 0x3) << 0)
160 #define MC13783_LED_C5_CURRENT_G3(x)	(((x) & 0x3) << 2)
161 #define MC13783_LED_C5_CURRENT_B3(x)	(((x) & 0x3) << 4)
162 #define MC13783_LED_C5_PERIOD(x)	(((x) & 0x3) << 21)
163 #define MC13783_LED_C5_TRIODE_TC3	(1 << 23)
164 /* MC13892 LED Control 0 */
165 #define MC13892_LED_C0_CURRENT_MD(x)	(((x) & 0x7) << 9)
166 #define MC13892_LED_C0_CURRENT_AD(x)	(((x) & 0x7) << 21)
167 /* MC13892 LED Control 1 */
168 #define MC13892_LED_C1_CURRENT_KP(x)	(((x) & 0x7) << 9)
169 /* MC13892 LED Control 2 */
170 #define MC13892_LED_C2_CURRENT_R(x)	(((x) & 0x7) << 9)
171 #define MC13892_LED_C2_CURRENT_G(x)	(((x) & 0x7) << 21)
172 /* MC13892 LED Control 3 */
173 #define MC13892_LED_C3_CURRENT_B(x)	(((x) & 0x7) << 9)
174 /* MC34708 LED Control 0 */
175 #define MC34708_LED_C0_CURRENT_R(x)	(((x) & 0x3) << 9)
176 #define MC34708_LED_C0_CURRENT_G(x)	(((x) & 0x3) << 21)
177 
178 struct mc13xxx_leds_platform_data {
179 	struct mc13xxx_led_platform_data *led;
180 	int num_leds;
181 	u32 led_control[MAX_LED_CONTROL_REGS];
182 };
183 
184 #define MC13783_BUTTON_DBNC_0MS		0
185 #define MC13783_BUTTON_DBNC_30MS	1
186 #define MC13783_BUTTON_DBNC_150MS	2
187 #define MC13783_BUTTON_DBNC_750MS	3
188 #define MC13783_BUTTON_ENABLE		(1 << 2)
189 #define MC13783_BUTTON_POL_INVERT	(1 << 3)
190 #define MC13783_BUTTON_RESET_EN		(1 << 4)
191 
192 struct mc13xxx_buttons_platform_data {
193 	int b1on_flags;
194 	unsigned short b1on_key;
195 	int b2on_flags;
196 	unsigned short b2on_key;
197 	int b3on_flags;
198 	unsigned short b3on_key;
199 };
200 
201 #define MC13783_TS_ATO_FIRST	false
202 #define MC13783_TS_ATO_EACH	true
203 
204 struct mc13xxx_ts_platform_data {
205 	/* Delay between Touchscreen polarization and ADC Conversion.
206 	 * Given in clock ticks of a 32 kHz clock which gives a granularity of
207 	 * about 30.5ms */
208 	u8 ato;
209 	/* Use the ATO delay only for the first conversion or for each one */
210 	bool atox;
211 };
212 
213 enum mc13783_ssi_port {
214 	MC13783_SSI1_PORT,
215 	MC13783_SSI2_PORT,
216 };
217 
218 struct mc13xxx_codec_platform_data {
219 	enum mc13783_ssi_port adc_ssi_port;
220 	enum mc13783_ssi_port dac_ssi_port;
221 };
222 
223 #define MC13XXX_USE_TOUCHSCREEN	(1 << 0)
224 #define MC13XXX_USE_CODEC	(1 << 1)
225 #define MC13XXX_USE_ADC		(1 << 2)
226 #define MC13XXX_USE_RTC		(1 << 3)
227 
228 struct mc13xxx_platform_data {
229 	unsigned int flags;
230 
231 	struct mc13xxx_regulator_platform_data regulators;
232 	struct mc13xxx_leds_platform_data *leds;
233 	struct mc13xxx_buttons_platform_data *buttons;
234 	struct mc13xxx_ts_platform_data touch;
235 	struct mc13xxx_codec_platform_data *codec;
236 };
237 
238 #define MC13XXX_ADC_MODE_TS		1
239 #define MC13XXX_ADC_MODE_SINGLE_CHAN	2
240 #define MC13XXX_ADC_MODE_MULT_CHAN	3
241 
242 #define MC13XXX_ADC0		43
243 #define MC13XXX_ADC0_LICELLCON		(1 << 0)
244 #define MC13XXX_ADC0_CHRGICON		(1 << 1)
245 #define MC13XXX_ADC0_BATICON		(1 << 2)
246 #define MC13XXX_ADC0_ADIN7SEL_DIE	(1 << 4)
247 #define MC13XXX_ADC0_ADIN7SEL_UID	(2 << 4)
248 #define MC13XXX_ADC0_ADREFEN		(1 << 10)
249 #define MC13XXX_ADC0_TSMOD0		(1 << 12)
250 #define MC13XXX_ADC0_TSMOD1		(1 << 13)
251 #define MC13XXX_ADC0_TSMOD2		(1 << 14)
252 #define MC13XXX_ADC0_CHRGRAWDIV		(1 << 15)
253 #define MC13XXX_ADC0_ADINC1		(1 << 16)
254 #define MC13XXX_ADC0_ADINC2		(1 << 17)
255 
256 #define MC13XXX_ADC0_TSMOD_MASK		(MC13XXX_ADC0_TSMOD0 | \
257 					MC13XXX_ADC0_TSMOD1 | \
258 					MC13XXX_ADC0_TSMOD2)
259 
260 #define MC13XXX_ADC0_CONFIG_MASK	(MC13XXX_ADC0_TSMOD_MASK | \
261 					MC13XXX_ADC0_LICELLCON | \
262 					MC13XXX_ADC0_CHRGICON | \
263 					MC13XXX_ADC0_BATICON)
264 
265 #endif /* ifndef __LINUX_MFD_MC13XXX_H */
266