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/device.h>
14 #include <linux/mfd/mcp.h>
15 #include <linux/gpio.h>
16 #include <linux/mutex.h>
18 #define UCB_IO_DATA 0x00
19 #define UCB_IO_DIR 0x01
21 #define UCB_IO_0 (1 << 0)
22 #define UCB_IO_1 (1 << 1)
23 #define UCB_IO_2 (1 << 2)
24 #define UCB_IO_3 (1 << 3)
25 #define UCB_IO_4 (1 << 4)
26 #define UCB_IO_5 (1 << 5)
27 #define UCB_IO_6 (1 << 6)
28 #define UCB_IO_7 (1 << 7)
29 #define UCB_IO_8 (1 << 8)
30 #define UCB_IO_9 (1 << 9)
32 #define UCB_IE_RIS 0x02
33 #define UCB_IE_FAL 0x03
34 #define UCB_IE_STATUS 0x04
35 #define UCB_IE_CLEAR 0x04
36 #define UCB_IE_ADC (1 << 11)
37 #define UCB_IE_TSPX (1 << 12)
38 #define UCB_IE_TSMX (1 << 13)
39 #define UCB_IE_TCLIP (1 << 14)
40 #define UCB_IE_ACLIP (1 << 15)
42 #define UCB_IRQ_TSPX 12
45 #define UCB_TC_A_LOOP (1 << 7) /* UCB1200 */
46 #define UCB_TC_A_AMPL (1 << 7) /* UCB1300 */
49 #define UCB_TC_B_VOICE_ENA (1 << 3)
50 #define UCB_TC_B_CLIP (1 << 4)
51 #define UCB_TC_B_ATT (1 << 6)
52 #define UCB_TC_B_SIDE_ENA (1 << 11)
53 #define UCB_TC_B_MUTE (1 << 13)
54 #define UCB_TC_B_IN_ENA (1 << 14)
55 #define UCB_TC_B_OUT_ENA (1 << 15)
59 #define UCB_AC_B_LOOP (1 << 8)
60 #define UCB_AC_B_MUTE (1 << 13)
61 #define UCB_AC_B_IN_ENA (1 << 14)
62 #define UCB_AC_B_OUT_ENA (1 << 15)
64 #define UCB_TS_CR 0x09
65 #define UCB_TS_CR_TSMX_POW (1 << 0)
66 #define UCB_TS_CR_TSPX_POW (1 << 1)
67 #define UCB_TS_CR_TSMY_POW (1 << 2)
68 #define UCB_TS_CR_TSPY_POW (1 << 3)
69 #define UCB_TS_CR_TSMX_GND (1 << 4)
70 #define UCB_TS_CR_TSPX_GND (1 << 5)
71 #define UCB_TS_CR_TSMY_GND (1 << 6)
72 #define UCB_TS_CR_TSPY_GND (1 << 7)
73 #define UCB_TS_CR_MODE_INT (0 << 8)
74 #define UCB_TS_CR_MODE_PRES (1 << 8)
75 #define UCB_TS_CR_MODE_POS (2 << 8)
76 #define UCB_TS_CR_BIAS_ENA (1 << 11)
77 #define UCB_TS_CR_TSPX_LOW (1 << 12)
78 #define UCB_TS_CR_TSMX_LOW (1 << 13)
80 #define UCB_ADC_CR 0x0a
81 #define UCB_ADC_SYNC_ENA (1 << 0)
82 #define UCB_ADC_VREFBYP_CON (1 << 1)
83 #define UCB_ADC_INP_TSPX (0 << 2)
84 #define UCB_ADC_INP_TSMX (1 << 2)
85 #define UCB_ADC_INP_TSPY (2 << 2)
86 #define UCB_ADC_INP_TSMY (3 << 2)
87 #define UCB_ADC_INP_AD0 (4 << 2)
88 #define UCB_ADC_INP_AD1 (5 << 2)
89 #define UCB_ADC_INP_AD2 (6 << 2)
90 #define UCB_ADC_INP_AD3 (7 << 2)
91 #define UCB_ADC_EXT_REF (1 << 5)
92 #define UCB_ADC_START (1 << 7)
93 #define UCB_ADC_ENA (1 << 15)
95 #define UCB_ADC_DATA 0x0b
96 #define UCB_ADC_DAT_VAL (1 << 15)
97 #define UCB_ADC_DAT(x) (((x) & 0x7fe0) >> 5)
100 #define UCB_ID_1200 0x1004
101 #define UCB_ID_1300 0x1005
102 #define UCB_ID_TC35143 0x9712
104 #define UCB_MODE 0x0d
105 #define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
106 #define UCB_MODE_AUD_OFF_CAN (1 << 13)
116 struct ucb1x00_plat_data {
117 void (*reset)(enum ucb1x00_reset);
124 raw_spinlock_t irq_lock;
128 struct mutex adc_mutex;
139 struct list_head node;
140 struct list_head devs;
141 struct gpio_chip gpio;
144 struct ucb1x00_driver;
147 struct list_head dev_node;
148 struct list_head drv_node;
150 struct ucb1x00_driver *drv;
154 struct ucb1x00_driver {
155 struct list_head node;
156 struct list_head devs;
157 int (*add)(struct ucb1x00_dev *dev);
158 void (*remove)(struct ucb1x00_dev *dev);
159 int (*suspend)(struct ucb1x00_dev *dev);
160 int (*resume)(struct ucb1x00_dev *dev);
163 #define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)
165 int ucb1x00_register_driver(struct ucb1x00_driver *);
166 void ucb1x00_unregister_driver(struct ucb1x00_driver *);
169 * ucb1x00_clkrate - return the UCB1x00 SIB clock rate
170 * @ucb: UCB1x00 structure describing chip
172 * Return the SIB clock rate in Hz.
174 static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb)
176 return mcp_get_sclk_rate(ucb->mcp);
180 * ucb1x00_enable - enable the UCB1x00 SIB clock
181 * @ucb: UCB1x00 structure describing chip
183 * Enable the SIB clock. This can be called multiple times.
185 static inline void ucb1x00_enable(struct ucb1x00 *ucb)
187 mcp_enable(ucb->mcp);
191 * ucb1x00_disable - disable the UCB1x00 SIB clock
192 * @ucb: UCB1x00 structure describing chip
194 * Disable the SIB clock. The SIB clock will only be disabled
195 * when the number of ucb1x00_enable calls match the number of
196 * ucb1x00_disable calls.
198 static inline void ucb1x00_disable(struct ucb1x00 *ucb)
200 mcp_disable(ucb->mcp);
204 * ucb1x00_reg_write - write a UCB1x00 register
205 * @ucb: UCB1x00 structure describing chip
206 * @reg: UCB1x00 4-bit register index to write
207 * @val: UCB1x00 16-bit value to write
209 * Write the UCB1x00 register @reg with value @val. The SIB
210 * clock must be running for this function to return.
212 static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val)
214 mcp_reg_write(ucb->mcp, reg, val);
218 * ucb1x00_reg_read - read a UCB1x00 register
219 * @ucb: UCB1x00 structure describing chip
220 * @reg: UCB1x00 4-bit register index to write
222 * Read the UCB1x00 register @reg and return its value. The SIB
223 * clock must be running for this function to return.
225 static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg)
227 return mcp_reg_read(ucb->mcp, reg);
230 * ucb1x00_set_audio_divisor -
231 * @ucb: UCB1x00 structure describing chip
232 * @div: SIB clock divisor
234 static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div)
236 mcp_set_audio_divisor(ucb->mcp, div);
240 * ucb1x00_set_telecom_divisor -
241 * @ucb: UCB1x00 structure describing chip
242 * @div: SIB clock divisor
244 static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div)
246 mcp_set_telecom_divisor(ucb->mcp, div);
249 void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int);
250 void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int);
251 unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);
253 #define UCB_NOSYNC (0)
256 unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync);
257 void ucb1x00_adc_enable(struct ucb1x00 *ucb);
258 void ucb1x00_adc_disable(struct ucb1x00 *ucb);