slub: record page flag overlays explicitly
[linux-2.6/mini2440.git] / drivers / mfd / ucb1x00.h
bloba8ad8a0ed5dbbf0f763cf2e900ada34e55311daf
1 /*
2 * linux/drivers/mfd/ucb1x00.h
4 * Copyright (C) 2001 Russell King, All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License.
9 */
10 #ifndef UCB1200_H
11 #define UCB1200_H
13 #define UCB_IO_DATA 0x00
14 #define UCB_IO_DIR 0x01
16 #define UCB_IO_0 (1 << 0)
17 #define UCB_IO_1 (1 << 1)
18 #define UCB_IO_2 (1 << 2)
19 #define UCB_IO_3 (1 << 3)
20 #define UCB_IO_4 (1 << 4)
21 #define UCB_IO_5 (1 << 5)
22 #define UCB_IO_6 (1 << 6)
23 #define UCB_IO_7 (1 << 7)
24 #define UCB_IO_8 (1 << 8)
25 #define UCB_IO_9 (1 << 9)
27 #define UCB_IE_RIS 0x02
28 #define UCB_IE_FAL 0x03
29 #define UCB_IE_STATUS 0x04
30 #define UCB_IE_CLEAR 0x04
31 #define UCB_IE_ADC (1 << 11)
32 #define UCB_IE_TSPX (1 << 12)
33 #define UCB_IE_TSMX (1 << 13)
34 #define UCB_IE_TCLIP (1 << 14)
35 #define UCB_IE_ACLIP (1 << 15)
37 #define UCB_IRQ_TSPX 12
39 #define UCB_TC_A 0x05
40 #define UCB_TC_A_LOOP (1 << 7) /* UCB1200 */
41 #define UCB_TC_A_AMPL (1 << 7) /* UCB1300 */
43 #define UCB_TC_B 0x06
44 #define UCB_TC_B_VOICE_ENA (1 << 3)
45 #define UCB_TC_B_CLIP (1 << 4)
46 #define UCB_TC_B_ATT (1 << 6)
47 #define UCB_TC_B_SIDE_ENA (1 << 11)
48 #define UCB_TC_B_MUTE (1 << 13)
49 #define UCB_TC_B_IN_ENA (1 << 14)
50 #define UCB_TC_B_OUT_ENA (1 << 15)
52 #define UCB_AC_A 0x07
53 #define UCB_AC_B 0x08
54 #define UCB_AC_B_LOOP (1 << 8)
55 #define UCB_AC_B_MUTE (1 << 13)
56 #define UCB_AC_B_IN_ENA (1 << 14)
57 #define UCB_AC_B_OUT_ENA (1 << 15)
59 #define UCB_TS_CR 0x09
60 #define UCB_TS_CR_TSMX_POW (1 << 0)
61 #define UCB_TS_CR_TSPX_POW (1 << 1)
62 #define UCB_TS_CR_TSMY_POW (1 << 2)
63 #define UCB_TS_CR_TSPY_POW (1 << 3)
64 #define UCB_TS_CR_TSMX_GND (1 << 4)
65 #define UCB_TS_CR_TSPX_GND (1 << 5)
66 #define UCB_TS_CR_TSMY_GND (1 << 6)
67 #define UCB_TS_CR_TSPY_GND (1 << 7)
68 #define UCB_TS_CR_MODE_INT (0 << 8)
69 #define UCB_TS_CR_MODE_PRES (1 << 8)
70 #define UCB_TS_CR_MODE_POS (2 << 8)
71 #define UCB_TS_CR_BIAS_ENA (1 << 11)
72 #define UCB_TS_CR_TSPX_LOW (1 << 12)
73 #define UCB_TS_CR_TSMX_LOW (1 << 13)
75 #define UCB_ADC_CR 0x0a
76 #define UCB_ADC_SYNC_ENA (1 << 0)
77 #define UCB_ADC_VREFBYP_CON (1 << 1)
78 #define UCB_ADC_INP_TSPX (0 << 2)
79 #define UCB_ADC_INP_TSMX (1 << 2)
80 #define UCB_ADC_INP_TSPY (2 << 2)
81 #define UCB_ADC_INP_TSMY (3 << 2)
82 #define UCB_ADC_INP_AD0 (4 << 2)
83 #define UCB_ADC_INP_AD1 (5 << 2)
84 #define UCB_ADC_INP_AD2 (6 << 2)
85 #define UCB_ADC_INP_AD3 (7 << 2)
86 #define UCB_ADC_EXT_REF (1 << 5)
87 #define UCB_ADC_START (1 << 7)
88 #define UCB_ADC_ENA (1 << 15)
90 #define UCB_ADC_DATA 0x0b
91 #define UCB_ADC_DAT_VAL (1 << 15)
92 #define UCB_ADC_DAT(x) (((x) & 0x7fe0) >> 5)
94 #define UCB_ID 0x0c
95 #define UCB_ID_1200 0x1004
96 #define UCB_ID_1300 0x1005
97 #define UCB_ID_TC35143 0x9712
99 #define UCB_MODE 0x0d
100 #define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
101 #define UCB_MODE_AUD_OFF_CAN (1 << 13)
103 #include "mcp.h"
105 struct ucb1x00_irq {
106 void *devid;
107 void (*fn)(int, void *);
110 struct ucb1x00 {
111 spinlock_t lock;
112 struct mcp *mcp;
113 unsigned int irq;
114 struct semaphore adc_sem;
115 spinlock_t io_lock;
116 u16 id;
117 u16 io_dir;
118 u16 io_out;
119 u16 adc_cr;
120 u16 irq_fal_enbl;
121 u16 irq_ris_enbl;
122 struct ucb1x00_irq irq_handler[16];
123 struct device dev;
124 struct list_head node;
125 struct list_head devs;
128 struct ucb1x00_driver;
130 struct ucb1x00_dev {
131 struct list_head dev_node;
132 struct list_head drv_node;
133 struct ucb1x00 *ucb;
134 struct ucb1x00_driver *drv;
135 void *priv;
138 struct ucb1x00_driver {
139 struct list_head node;
140 struct list_head devs;
141 int (*add)(struct ucb1x00_dev *dev);
142 void (*remove)(struct ucb1x00_dev *dev);
143 int (*suspend)(struct ucb1x00_dev *dev, pm_message_t state);
144 int (*resume)(struct ucb1x00_dev *dev);
147 #define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)
149 int ucb1x00_register_driver(struct ucb1x00_driver *);
150 void ucb1x00_unregister_driver(struct ucb1x00_driver *);
153 * ucb1x00_clkrate - return the UCB1x00 SIB clock rate
154 * @ucb: UCB1x00 structure describing chip
156 * Return the SIB clock rate in Hz.
158 static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb)
160 return mcp_get_sclk_rate(ucb->mcp);
164 * ucb1x00_enable - enable the UCB1x00 SIB clock
165 * @ucb: UCB1x00 structure describing chip
167 * Enable the SIB clock. This can be called multiple times.
169 static inline void ucb1x00_enable(struct ucb1x00 *ucb)
171 mcp_enable(ucb->mcp);
175 * ucb1x00_disable - disable the UCB1x00 SIB clock
176 * @ucb: UCB1x00 structure describing chip
178 * Disable the SIB clock. The SIB clock will only be disabled
179 * when the number of ucb1x00_enable calls match the number of
180 * ucb1x00_disable calls.
182 static inline void ucb1x00_disable(struct ucb1x00 *ucb)
184 mcp_disable(ucb->mcp);
188 * ucb1x00_reg_write - write a UCB1x00 register
189 * @ucb: UCB1x00 structure describing chip
190 * @reg: UCB1x00 4-bit register index to write
191 * @val: UCB1x00 16-bit value to write
193 * Write the UCB1x00 register @reg with value @val. The SIB
194 * clock must be running for this function to return.
196 static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val)
198 mcp_reg_write(ucb->mcp, reg, val);
202 * ucb1x00_reg_read - read a UCB1x00 register
203 * @ucb: UCB1x00 structure describing chip
204 * @reg: UCB1x00 4-bit register index to write
206 * Read the UCB1x00 register @reg and return its value. The SIB
207 * clock must be running for this function to return.
209 static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg)
211 return mcp_reg_read(ucb->mcp, reg);
214 * ucb1x00_set_audio_divisor -
215 * @ucb: UCB1x00 structure describing chip
216 * @div: SIB clock divisor
218 static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div)
220 mcp_set_audio_divisor(ucb->mcp, div);
224 * ucb1x00_set_telecom_divisor -
225 * @ucb: UCB1x00 structure describing chip
226 * @div: SIB clock divisor
228 static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div)
230 mcp_set_telecom_divisor(ucb->mcp, div);
233 void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int);
234 void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int);
235 unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);
237 #define UCB_NOSYNC (0)
238 #define UCB_SYNC (1)
240 unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync);
241 void ucb1x00_adc_enable(struct ucb1x00 *ucb);
242 void ucb1x00_adc_disable(struct ucb1x00 *ucb);
245 * Which edges of the IRQ do you want to control today?
247 #define UCB_RISING (1 << 0)
248 #define UCB_FALLING (1 << 1)
250 int ucb1x00_hook_irq(struct ucb1x00 *ucb, unsigned int idx, void (*fn)(int, void *), void *devid);
251 void ucb1x00_enable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
252 void ucb1x00_disable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
253 int ucb1x00_free_irq(struct ucb1x00 *ucb, unsigned int idx, void *devid);
255 #endif