Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
ctatc.h
Go to the documentation of this file.
1 
18 #ifndef CTATC_H
19 #define CTATC_H
20 
21 #include <linux/types.h>
22 #include <linux/mutex.h>
23 #include <linux/pci.h>
24 #include <linux/timer.h>
25 #include <sound/core.h>
26 
27 #include "ctvmem.h"
28 #include "cthardware.h"
29 #include "ctresource.h"
30 
31 enum CTALSADEVS { /* Types of alsa devices */
32  FRONT,
33  SURROUND,
34  CLFE,
35  SIDE,
36  IEC958,
37  MIXER,
38  NUM_CTALSADEVS /* This should always be the last */
39 };
40 
41 struct ct_atc_chip_sub_details {
42  u16 subsys;
43  const char *nm_model;
44 };
45 
46 struct ct_atc_chip_details {
47  u16 vendor;
48  u16 device;
49  const struct ct_atc_chip_sub_details *sub_details;
50  const char *nm_card;
51 };
52 
53 struct ct_atc;
54 struct ct_timer;
55 struct ct_timer_instance;
56 
57 /* alsa pcm stream descriptor */
58 struct ct_atc_pcm {
59  struct snd_pcm_substream *substream;
60  void (*interrupt)(struct ct_atc_pcm *apcm);
61  struct ct_timer_instance *timer;
62  unsigned int started:1;
63 
64  /* Only mono and interleaved modes are supported now. */
65  struct ct_vm_block *vm_block;
66  void *src; /* SRC for interacting with host memory */
67  void **srccs; /* SRCs for sample rate conversion */
68  void **srcimps; /* SRC Input Mappers */
69  void **amixers; /* AMIXERs for routing converted data */
70  void *mono; /* A SUM resource for mixing chs to one */
71  unsigned char n_srcc; /* Number of converting SRCs */
72  unsigned char n_srcimp; /* Number of SRC Input Mappers */
73  unsigned char n_amixer; /* Number of AMIXERs */
74 };
75 
76 /* Chip resource management object */
77 struct ct_atc {
78  struct pci_dev *pci;
79  struct snd_card *card;
80  unsigned int rsr; /* reference sample rate in Hz */
81  unsigned int msr; /* master sample rate in rsr */
82  unsigned int pll_rate; /* current rate of Phase Lock Loop */
83 
84  int chip_type;
85  int model;
86  const char *chip_name;
87  const char *model_name;
88 
89  struct ct_vm *vm; /* device virtual memory manager for this card */
90  int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
91  void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
92  unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
93 
94  struct mutex atc_mutex;
95 
96  int (*pcm_playback_prepare)(struct ct_atc *atc,
97  struct ct_atc_pcm *apcm);
98  int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
99  int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
100  int (*pcm_playback_position)(struct ct_atc *atc,
101  struct ct_atc_pcm *apcm);
102  int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
103  struct ct_atc_pcm *apcm);
104  int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
105  int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
106  int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
107  int (*pcm_capture_position)(struct ct_atc *atc,
108  struct ct_atc_pcm *apcm);
109  int (*pcm_release_resources)(struct ct_atc *atc,
110  struct ct_atc_pcm *apcm);
111  int (*select_line_in)(struct ct_atc *atc);
112  int (*select_mic_in)(struct ct_atc *atc);
113  int (*select_digit_io)(struct ct_atc *atc);
114  int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
115  int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
116  int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
117  int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
118  int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
119  int (*mic_unmute)(struct ct_atc *atc, unsigned char state);
120  int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
121  int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
122  int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
123  int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
124  int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
125  struct capabilities (*capabilities)(struct ct_atc *atc);
126  int (*output_switch_get)(struct ct_atc *atc);
127  int (*output_switch_put)(struct ct_atc *atc, int position);
128  int (*mic_source_switch_get)(struct ct_atc *atc);
129  int (*mic_source_switch_put)(struct ct_atc *atc, int position);
130 
131  /* Don't touch! Used for internal object. */
132  void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
133  void *mixer; /* internal mixer object */
134  void *hw; /* chip specific hardware access object */
135  void **daios; /* digital audio io resources */
136  void **pcm; /* SUMs for collecting all pcm stream */
137  void **srcs; /* Sample Rate Converters for input signal */
138  void **srcimps; /* input mappers for SRCs */
139  unsigned char n_daio;
140  unsigned char n_src;
141  unsigned char n_srcimp;
142  unsigned char n_pcm;
143 
144  struct ct_timer *timer;
145 
146 #ifdef CONFIG_PM_SLEEP
147  int (*suspend)(struct ct_atc *atc);
148  int (*resume)(struct ct_atc *atc);
149 #define NUM_PCMS (NUM_CTALSADEVS - 1)
150  struct snd_pcm *pcms[NUM_PCMS];
151 #endif
152 };
153 
154 
155 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
156  unsigned int rsr, unsigned int msr, int chip_type,
157  unsigned int subsysid, struct ct_atc **ratc);
158 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
159 
160 #endif /* CTATC_H */
Generated on Thu Jan 10 2013 15:06:02 for Linux Kernel by   doxygen 1.8.2