This source file includes following definitions.
- init_hw
- set_mixer_defaults
- detect_input_clocks
- load_asic
- set_sample_rate
- set_vmixer_gain
- update_vmixer_level
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32 static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
33 int gain);
34 static int update_vmixer_level(struct echoaudio *chip);
35
36
37 static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
38 {
39 int err;
40
41 if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_DJ))
42 return -ENODEV;
43
44 if ((err = init_dsp_comm_page(chip))) {
45 dev_err(chip->card->dev,
46 "init_hw - could not initialize DSP comm page\n");
47 return err;
48 }
49
50 chip->device_id = device_id;
51 chip->subdevice_id = subdevice_id;
52 chip->bad_board = true;
53 chip->dsp_code_to_load = FW_INDIGO_DJ_DSP;
54
55
56 chip->asic_loaded = true;
57 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
58
59 if ((err = load_firmware(chip)) < 0)
60 return err;
61 chip->bad_board = false;
62
63 return err;
64 }
65
66
67
68 static int set_mixer_defaults(struct echoaudio *chip)
69 {
70 return init_line_levels(chip);
71 }
72
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74
75 static u32 detect_input_clocks(const struct echoaudio *chip)
76 {
77 return ECHO_CLOCK_BIT_INTERNAL;
78 }
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83 static int load_asic(struct echoaudio *chip)
84 {
85 return 0;
86 }
87
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90 static int set_sample_rate(struct echoaudio *chip, u32 rate)
91 {
92 u32 control_reg;
93
94 switch (rate) {
95 case 96000:
96 control_reg = MIA_96000;
97 break;
98 case 88200:
99 control_reg = MIA_88200;
100 break;
101 case 48000:
102 control_reg = MIA_48000;
103 break;
104 case 44100:
105 control_reg = MIA_44100;
106 break;
107 case 32000:
108 control_reg = MIA_32000;
109 break;
110 default:
111 dev_err(chip->card->dev,
112 "set_sample_rate: %d invalid!\n", rate);
113 return -EINVAL;
114 }
115
116
117 if (control_reg != le32_to_cpu(chip->comm_page->control_register)) {
118 if (wait_handshake(chip))
119 return -EIO;
120
121 chip->comm_page->sample_rate = cpu_to_le32(rate);
122 chip->comm_page->control_register = cpu_to_le32(control_reg);
123 chip->sample_rate = rate;
124
125 clear_handshake(chip);
126 return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
127 }
128 return 0;
129 }
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133
134 static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
135 int gain)
136 {
137 int index;
138
139 if (snd_BUG_ON(pipe >= num_pipes_out(chip) ||
140 output >= num_busses_out(chip)))
141 return -EINVAL;
142
143 if (wait_handshake(chip))
144 return -EIO;
145
146 chip->vmixer_gain[output][pipe] = gain;
147 index = output * num_pipes_out(chip) + pipe;
148 chip->comm_page->vmixer[index] = gain;
149
150 dev_dbg(chip->card->dev,
151 "set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain);
152 return 0;
153 }
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158 static int update_vmixer_level(struct echoaudio *chip)
159 {
160 if (wait_handshake(chip))
161 return -EIO;
162 clear_handshake(chip);
163 return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
164 }
165