1 /*******************************************************************************
5 * external_codec_driver.h
13 * external codec control
20 *------------------------------------------------------------------------------
26 *******************************************************************************/
27 #include <linux/kernel.h>
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/device.h>
31 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/vmalloc.h>
36 #include <linux/wait.h>
37 #include <linux/spinlock.h>
38 #include <linux/semaphore.h>
39 #include <mach/mt_typedefs.h>
41 #ifndef _EXTERNAL_CODEC_DRIVER_H_
42 #define _EXTERNAL_CODEC_DRIVER_H_
44 /* CS4398 registers addresses */
45 #define CS4398_CHIPID 0x01 /* Chip ID */
46 #define CS4398_MODE 0x02 /* Mode Control */
47 #define CS4398_MIXING 0x03
48 #define CS4398_MUTE 0x04 /* Mute Control */
49 #define CS4398_VOLA 0x05 /* DAC Channel A Volume Control */
50 #define CS4398_VOLB 0x06 /* DAC Channel B Volume Control */
51 #define CS4398_RAMP 0x07
52 #define CS4398_MISC1 0x08
53 #define CS4398_MISC2 0x09
55 #define CS4398_FIRSTREG 0x01
56 #define CS4398_LASTREG 0x09
57 #define CS4398_NUMREGS (CS4398_LASTREG - CS4398_FIRSTREG + 1)
63 DIF_RIGHT_JUSTIFIED_16BIT
,
64 DIF_RIGHT_JUSTIFIED_24BIT
,
65 DIF_RIGHT_JUSTIFIED_20BIT
,
66 DIF_RIGHT_JUSTIFIED_18BIT
,
68 } DIGITAL_INTERFACE_FORMAT
;
71 enum ECODEC_CONTROL_SUBCOMMAND
73 ECODEC_GETREGISTER_VALUE
,
74 ECODEC_SETREGISTER_VALUE
,
77 enum AUDIO_ECODEC_CONTROL_COMMAND
79 NUM_AUD_ECODEC_COMMAND
,
84 unsigned long int command
;
85 unsigned long int param1
;
86 unsigned long int param2
;
89 void ExtCodec_Init(void);
90 void ExtCodec_PowerOn(void);
91 void ExtCodec_PowerOff(void);
92 bool ExtCodec_Register(void);
93 void ExtCodec_Mute(void);
94 void ExtCodec_SetGain(u8 leftright
, u8 gain
);
95 u8
ExtCodec_ReadReg(u8 addr
);
96 void ExtCodec_DumpReg(void);
97 void ExtCodecDevice_Suspend(void);
98 void ExtCodecDevice_Resume(void);
99 void cust_extcodec_gpio_on(void);
100 void cust_extcodec_gpio_off(void);
101 void cust_extHPAmp_gpio_on(void);
102 void cust_extHPAmp_gpio_off(void);
103 void cust_extPLL_gpio_config(void);