2 * linux/include/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.
13 #include <linux/mfd/mcp.h>
14 #include <linux/gpio.h>
15 #include <linux/semaphore.h>
17 #define UCB_IO_DATA 0x00
18 #define UCB_IO_DIR 0x01
20 #define UCB_IO_0 (1 << 0)
21 #define UCB_IO_1 (1 << 1)
22 #define UCB_IO_2 (1 << 2)
23 #define UCB_IO_3 (1 << 3)
24 #define UCB_IO_4 (1 << 4)
25 #define UCB_IO_5 (1 << 5)
26 #define UCB_IO_6 (1 << 6)
27 #define UCB_IO_7 (1 << 7)
28 #define UCB_IO_8 (1 << 8)
29 #define UCB_IO_9 (1 << 9)
31 #define UCB_IE_RIS 0x02
32 #define UCB_IE_FAL 0x03
33 #define UCB_IE_STATUS 0x04
34 #define UCB_IE_CLEAR 0x04
35 #define UCB_IE_ADC (1 << 11)
36 #define UCB_IE_TSPX (1 << 12)
37 #define UCB_IE_TSMX (1 << 13)
38 #define UCB_IE_TCLIP (1 << 14)
39 #define UCB_IE_ACLIP (1 << 15)
41 #define UCB_IRQ_TSPX 12
44 #define UCB_TC_A_LOOP (1 << 7) /* UCB1200 */
45 #define UCB_TC_A_AMPL (1 << 7) /* UCB1300 */
48 #define UCB_TC_B_VOICE_ENA (1 << 3)
49 #define UCB_TC_B_CLIP (1 << 4)
50 #define UCB_TC_B_ATT (1 << 6)
51 #define UCB_TC_B_SIDE_ENA (1 << 11)
52 #define UCB_TC_B_MUTE (1 << 13)
53 #define UCB_TC_B_IN_ENA (1 << 14)
54 #define UCB_TC_B_OUT_ENA (1 << 15)
58 #define UCB_AC_B_LOOP (1 << 8)
59 #define UCB_AC_B_MUTE (1 << 13)
60 #define UCB_AC_B_IN_ENA (1 << 14)
61 #define UCB_AC_B_OUT_ENA (1 << 15)
63 #define UCB_TS_CR 0x09
64 #define UCB_TS_CR_TSMX_POW (1 << 0)
65 #define UCB_TS_CR_TSPX_POW (1 << 1)
66 #define UCB_TS_CR_TSMY_POW (1 << 2)
67 #define UCB_TS_CR_TSPY_POW (1 << 3)
68 #define UCB_TS_CR_TSMX_GND (1 << 4)
69 #define UCB_TS_CR_TSPX_GND (1 << 5)
70 #define UCB_TS_CR_TSMY_GND (1 << 6)
71 #define UCB_TS_CR_TSPY_GND (1 << 7)
72 #define UCB_TS_CR_MODE_INT (0 << 8)
73 #define UCB_TS_CR_MODE_PRES (1 << 8)
74 #define UCB_TS_CR_MODE_POS (2 << 8)
75 #define UCB_TS_CR_BIAS_ENA (1 << 11)
76 #define UCB_TS_CR_TSPX_LOW (1 << 12)
77 #define UCB_TS_CR_TSMX_LOW (1 << 13)
79 #define UCB_ADC_CR 0x0a
80 #define UCB_ADC_SYNC_ENA (1 << 0)
81 #define UCB_ADC_VREFBYP_CON (1 << 1)
82 #define UCB_ADC_INP_TSPX (0 << 2)
83 #define UCB_ADC_INP_TSMX (1 << 2)
84 #define UCB_ADC_INP_TSPY (2 << 2)
85 #define UCB_ADC_INP_TSMY (3 << 2)
86 #define UCB_ADC_INP_AD0 (4 << 2)
87 #define UCB_ADC_INP_AD1 (5 << 2)
88 #define UCB_ADC_INP_AD2 (6 << 2)
89 #define UCB_ADC_INP_AD3 (7 << 2)
90 #define UCB_ADC_EXT_REF (1 << 5)
91 #define UCB_ADC_START (1 << 7)
92 #define UCB_ADC_ENA (1 << 15)
94 #define UCB_ADC_DATA 0x0b
95 #define UCB_ADC_DAT_VAL (1 << 15)
96 #define UCB_ADC_DAT(x) (((x) & 0x7fe0) >> 5)
99 #define UCB_ID_1200 0x1004
100 #define UCB_ID_1300 0x1005
101 #define UCB_ID_TC35143 0x9712
103 #define UCB_MODE 0x0d
104 #define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
105 #define UCB_MODE_AUD_OFF_CAN (1 << 13)
107 struct ucb1x00_plat_data {
113 void (*fn)(int, void *);
120 struct semaphore adc_sem;
122 const struct mcp_device_id *id;
128 struct ucb1x00_irq irq_handler[16];
130 struct list_head node;
131 struct list_head devs;
132 struct gpio_chip gpio;
135 struct ucb1x00_driver;
138 struct list_head dev_node;
139 struct list_head drv_node;
141 struct ucb1x00_driver *drv;
145 struct ucb1x00_driver {
146 struct list_head node;
147 struct list_head devs;
148 int (*add)(struct ucb1x00_dev *dev);
149 void (*remove)(struct ucb1x00_dev *dev);
150 int (*suspend)(struct ucb1x00_dev *dev, pm_message_t state);
151 int (*resume)(struct ucb1x00_dev *dev);
154 #define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)
156 int ucb1x00_register_driver(struct ucb1x00_driver *);
157 void ucb1x00_unregister_driver(struct ucb1x00_driver *);
160 * ucb1x00_clkrate - return the UCB1x00 SIB clock rate
161 * @ucb: UCB1x00 structure describing chip
163 * Return the SIB clock rate in Hz.
165 static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb)
167 return mcp_get_sclk_rate(ucb->mcp);
171 * ucb1x00_enable - enable the UCB1x00 SIB clock
172 * @ucb: UCB1x00 structure describing chip
174 * Enable the SIB clock. This can be called multiple times.
176 static inline void ucb1x00_enable(struct ucb1x00 *ucb)
178 mcp_enable(ucb->mcp);
182 * ucb1x00_disable - disable the UCB1x00 SIB clock
183 * @ucb: UCB1x00 structure describing chip
185 * Disable the SIB clock. The SIB clock will only be disabled
186 * when the number of ucb1x00_enable calls match the number of
187 * ucb1x00_disable calls.
189 static inline void ucb1x00_disable(struct ucb1x00 *ucb)
191 mcp_disable(ucb->mcp);
195 * ucb1x00_reg_write - write a UCB1x00 register
196 * @ucb: UCB1x00 structure describing chip
197 * @reg: UCB1x00 4-bit register index to write
198 * @val: UCB1x00 16-bit value to write
200 * Write the UCB1x00 register @reg with value @val. The SIB
201 * clock must be running for this function to return.
203 static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val)
205 mcp_reg_write(ucb->mcp, reg, val);
209 * ucb1x00_reg_read - read a UCB1x00 register
210 * @ucb: UCB1x00 structure describing chip
211 * @reg: UCB1x00 4-bit register index to write
213 * Read the UCB1x00 register @reg and return its value. The SIB
214 * clock must be running for this function to return.
216 static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg)
218 return mcp_reg_read(ucb->mcp, reg);
221 * ucb1x00_set_audio_divisor -
222 * @ucb: UCB1x00 structure describing chip
223 * @div: SIB clock divisor
225 static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div)
227 mcp_set_audio_divisor(ucb->mcp, div);
231 * ucb1x00_set_telecom_divisor -
232 * @ucb: UCB1x00 structure describing chip
233 * @div: SIB clock divisor
235 static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div)
237 mcp_set_telecom_divisor(ucb->mcp, div);
240 void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int);
241 void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int);
242 unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);
244 #define UCB_NOSYNC (0)
247 unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync);
248 void ucb1x00_adc_enable(struct ucb1x00 *ucb);
249 void ucb1x00_adc_disable(struct ucb1x00 *ucb);
252 * Which edges of the IRQ do you want to control today?
254 #define UCB_RISING (1 << 0)
255 #define UCB_FALLING (1 << 1)
257 int ucb1x00_hook_irq(struct ucb1x00 *ucb, unsigned int idx, void (*fn)(int, void *), void *devid);
258 void ucb1x00_enable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
259 void ucb1x00_disable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
260 int ucb1x00_free_irq(struct ucb1x00 *ucb, unsigned int idx, void *devid);