1 /**
2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
3 *
4 * This source file is released under GPL v2 license (no other versions).
5 * See the COPYING file included in the main directory of this source
6 * distribution for the license terms and conditions.
7 *
8 * @File ctatc.h
9 *
10 * @Brief
11 * This file contains the definition of the device resource management object.
12 *
13 * @Author Liu Chun
14 * @Date Mar 28 2008
15 *
16 */
17
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 "ctresource.h"
29
30 enum CTALSADEVS { /* Types of alsa devices */
31 FRONT,
32 SURROUND,
33 CLFE,
34 SIDE,
35 IEC958,
36 MIXER,
37 NUM_CTALSADEVS /* This should always be the last */
38 };
39
40 struct ct_atc_chip_sub_details {
41 u16 subsys;
42 const char *nm_model;
43 };
44
45 struct ct_atc_chip_details {
46 u16 vendor;
47 u16 device;
48 const struct ct_atc_chip_sub_details *sub_details;
49 const char *nm_card;
50 };
51
52 struct ct_atc;
53 struct ct_timer;
54 struct ct_timer_instance;
55
56 /* alsa pcm stream descriptor */
57 struct ct_atc_pcm {
58 struct snd_pcm_substream *substream;
59 void (*interrupt)(struct ct_atc_pcm *apcm);
60 struct ct_timer_instance *timer;
61 unsigned int started:1;
62
63 /* Only mono and interleaved modes are supported now. */
64 struct ct_vm_block *vm_block;
65 void *src; /* SRC for interacting with host memory */
66 void **srccs; /* SRCs for sample rate conversion */
67 void **srcimps; /* SRC Input Mappers */
68 void **amixers; /* AMIXERs for routing converted data */
69 void *mono; /* A SUM resource for mixing chs to one */
70 unsigned char n_srcc; /* Number of converting SRCs */
71 unsigned char n_srcimp; /* Number of SRC Input Mappers */
72 unsigned char n_amixer; /* Number of AMIXERs */
73 };
74
75 /* Chip resource management object */
76 struct ct_atc {
77 struct pci_dev *pci;
78 struct snd_card *card;
79 unsigned int rsr; /* reference sample rate in Hz */
80 unsigned int msr; /* master sample rate in rsr */
81 unsigned int pll_rate; /* current rate of Phase Lock Loop */
82
83 int chip_type;
84 int model;
85 const char *chip_name;
86 const char *model_name;
87
88 struct ct_vm *vm; /* device virtual memory manager for this card */
89 int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
90 void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
91 unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
92
93 struct mutex atc_mutex;
94
95 int (*pcm_playback_prepare)(struct ct_atc *atc,
96 struct ct_atc_pcm *apcm);
97 int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
98 int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
99 int (*pcm_playback_position)(struct ct_atc *atc,
100 struct ct_atc_pcm *apcm);
101 int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
102 struct ct_atc_pcm *apcm);
103 int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
104 int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
105 int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
106 int (*pcm_capture_position)(struct ct_atc *atc,
107 struct ct_atc_pcm *apcm);
108 int (*pcm_release_resources)(struct ct_atc *atc,
109 struct ct_atc_pcm *apcm);
110 int (*select_line_in)(struct ct_atc *atc);
111 int (*select_mic_in)(struct ct_atc *atc);
112 int (*select_digit_io)(struct ct_atc *atc);
113 int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
114 int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
115 int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
116 int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
117 int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
118 int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
119 int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
120 int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
121 int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
122 int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
123 int (*have_digit_io_switch)(struct ct_atc *atc);
124
125 /* Don't touch! Used for internal object. */
126 void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
127 void *mixer; /* internal mixer object */
128 void *hw; /* chip specific hardware access object */
129 void **daios; /* digital audio io resources */
130 void **pcm; /* SUMs for collecting all pcm stream */
131 void **srcs; /* Sample Rate Converters for input signal */
132 void **srcimps; /* input mappers for SRCs */
133 unsigned char n_daio;
134 unsigned char n_src;
135 unsigned char n_srcimp;
136 unsigned char n_pcm;
137
138 struct ct_timer *timer;
139
140 #ifdef CONFIG_PM
141 int (*suspend)(struct ct_atc *atc, pm_message_t state);
142 int (*resume)(struct ct_atc *atc);
143 #define NUM_PCMS (NUM_CTALSADEVS - 1)
144 struct snd_pcm *pcms[NUM_PCMS];
145 #endif
146 };
147
148
149 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
150 unsigned int rsr, unsigned int msr, int chip_type,
151 struct ct_atc **ratc);
152 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
153
154 #endif /* CTATC_H */
155
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