1 /********************************************* 1 /****************************************************************************
2 2
3 Copyright Echo Digital Audio Corporation (c 3 Copyright Echo Digital Audio Corporation (c) 1998 - 2004
4 All rights reserved 4 All rights reserved
5 www.echoaudio.com 5 www.echoaudio.com
6 6
7 This file is part of Echo Digital Audio's g 7 This file is part of Echo Digital Audio's generic driver library.
8 8
9 Echo Digital Audio's generic driver library 9 Echo Digital Audio's generic driver library is free software;
10 you can redistribute it and/or modify it un 10 you can redistribute it and/or modify it under the terms of
11 the GNU General Public License as published 11 the GNU General Public License as published by the Free Software
12 Foundation. 12 Foundation.
13 13
14 This program is distributed in the hope tha 14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the 15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details 17 GNU General Public License for more details.
18 18
19 You should have received a copy of the GNU 19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to t 20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 3 21 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 MA 02111-1307, USA. 22 MA 02111-1307, USA.
23 23
24 ******************************************* 24 *************************************************************************
25 25
26 Translation from C++ and adaptation for use i 26 Translation from C++ and adaptation for use in ALSA-Driver
27 were made by Giuliano Pochini <pochini@shiny. 27 were made by Giuliano Pochini <pochini@shiny.it>
28 28
29 ********************************************** 29 ****************************************************************************/
30 30
31 31
32 static int set_input_clock(struct echoaudio *c 32 static int set_input_clock(struct echoaudio *chip, u16 clock);
33 static int set_professional_spdif(struct echoa 33 static int set_professional_spdif(struct echoaudio *chip, char prof);
34 static int update_flags(struct echoaudio *chip 34 static int update_flags(struct echoaudio *chip);
35 static int set_vmixer_gain(struct echoaudio *c 35 static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
36 int gain); 36 int gain);
37 static int update_vmixer_level(struct echoaudi 37 static int update_vmixer_level(struct echoaudio *chip);
38 38
39 39
40 static int init_hw(struct echoaudio *chip, u16 40 static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
41 { 41 {
42 int err; 42 int err;
43 43
44 if (snd_BUG_ON((subdevice_id & 0xfff0) 44 if (snd_BUG_ON((subdevice_id & 0xfff0) != MIA))
45 return -ENODEV; 45 return -ENODEV;
46 46
47 err = init_dsp_comm_page(chip); 47 err = init_dsp_comm_page(chip);
48 if (err) { 48 if (err) {
49 dev_err(chip->card->dev, 49 dev_err(chip->card->dev,
50 "init_hw - could not i 50 "init_hw - could not initialize DSP comm page\n");
51 return err; 51 return err;
52 } 52 }
53 53
54 chip->device_id = device_id; 54 chip->device_id = device_id;
55 chip->subdevice_id = subdevice_id; 55 chip->subdevice_id = subdevice_id;
56 chip->bad_board = true; 56 chip->bad_board = true;
57 chip->dsp_code_to_load = FW_MIA_DSP; 57 chip->dsp_code_to_load = FW_MIA_DSP;
58 /* Since this card has no ASIC, mark i 58 /* Since this card has no ASIC, mark it as loaded so everything
59 works OK */ 59 works OK */
60 chip->asic_loaded = true; 60 chip->asic_loaded = true;
61 if ((subdevice_id & 0x0000f) == MIA_MI 61 if ((subdevice_id & 0x0000f) == MIA_MIDI_REV)
62 chip->has_midi = true; 62 chip->has_midi = true;
63 chip->input_clock_types = ECHO_CLOCK_B 63 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |
64 ECHO_CLOCK_BIT_SPDIF; 64 ECHO_CLOCK_BIT_SPDIF;
65 65
66 err = load_firmware(chip); 66 err = load_firmware(chip);
67 if (err < 0) 67 if (err < 0)
68 return err; 68 return err;
69 chip->bad_board = false; 69 chip->bad_board = false;
70 70
71 return err; 71 return err;
72 } 72 }
73 73
74 74
75 75
76 static int set_mixer_defaults(struct echoaudio 76 static int set_mixer_defaults(struct echoaudio *chip)
77 { 77 {
78 return init_line_levels(chip); 78 return init_line_levels(chip);
79 } 79 }
80 80
81 81
82 82
83 static u32 detect_input_clocks(const struct ec 83 static u32 detect_input_clocks(const struct echoaudio *chip)
84 { 84 {
85 u32 clocks_from_dsp, clock_bits; 85 u32 clocks_from_dsp, clock_bits;
86 86
87 /* Map the DSP clock detect bits to th 87 /* Map the DSP clock detect bits to the generic driver clock
88 detect bits */ 88 detect bits */
89 clocks_from_dsp = le32_to_cpu(chip->co 89 clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks);
90 90
91 clock_bits = ECHO_CLOCK_BIT_INTERNAL; 91 clock_bits = ECHO_CLOCK_BIT_INTERNAL;
92 92
93 if (clocks_from_dsp & GLDM_CLOCK_DETEC 93 if (clocks_from_dsp & GLDM_CLOCK_DETECT_BIT_SPDIF)
94 clock_bits |= ECHO_CLOCK_BIT_S 94 clock_bits |= ECHO_CLOCK_BIT_SPDIF;
95 95
96 return clock_bits; 96 return clock_bits;
97 } 97 }
98 98
99 99
100 100
101 /* The Mia has no ASIC. Just do nothing */ 101 /* The Mia has no ASIC. Just do nothing */
102 static int load_asic(struct echoaudio *chip) 102 static int load_asic(struct echoaudio *chip)
103 { 103 {
104 return 0; 104 return 0;
105 } 105 }
106 106
107 107
108 108
109 static int set_sample_rate(struct echoaudio *c 109 static int set_sample_rate(struct echoaudio *chip, u32 rate)
110 { 110 {
111 u32 control_reg; 111 u32 control_reg;
112 112
113 switch (rate) { 113 switch (rate) {
114 case 96000: 114 case 96000:
115 control_reg = MIA_96000; 115 control_reg = MIA_96000;
116 break; 116 break;
117 case 88200: 117 case 88200:
118 control_reg = MIA_88200; 118 control_reg = MIA_88200;
119 break; 119 break;
120 case 48000: 120 case 48000:
121 control_reg = MIA_48000; 121 control_reg = MIA_48000;
122 break; 122 break;
123 case 44100: 123 case 44100:
124 control_reg = MIA_44100; 124 control_reg = MIA_44100;
125 break; 125 break;
126 case 32000: 126 case 32000:
127 control_reg = MIA_32000; 127 control_reg = MIA_32000;
128 break; 128 break;
129 default: 129 default:
130 dev_err(chip->card->dev, 130 dev_err(chip->card->dev,
131 "set_sample_rate: %d i 131 "set_sample_rate: %d invalid!\n", rate);
132 return -EINVAL; 132 return -EINVAL;
133 } 133 }
134 134
135 /* Override the clock setting if this 135 /* Override the clock setting if this Mia is set to S/PDIF clock */
136 if (chip->input_clock == ECHO_CLOCK_SP 136 if (chip->input_clock == ECHO_CLOCK_SPDIF)
137 control_reg |= MIA_SPDIF; 137 control_reg |= MIA_SPDIF;
138 138
139 /* Set the control register if it has 139 /* Set the control register if it has changed */
140 if (control_reg != le32_to_cpu(chip->c 140 if (control_reg != le32_to_cpu(chip->comm_page->control_register)) {
141 if (wait_handshake(chip)) 141 if (wait_handshake(chip))
142 return -EIO; 142 return -EIO;
143 143
144 chip->comm_page->sample_rate = 144 chip->comm_page->sample_rate = cpu_to_le32(rate); /* ignored by the DSP */
145 chip->comm_page->control_regis 145 chip->comm_page->control_register = cpu_to_le32(control_reg);
146 chip->sample_rate = rate; 146 chip->sample_rate = rate;
147 147
148 clear_handshake(chip); 148 clear_handshake(chip);
149 return send_vector(chip, DSP_V 149 return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
150 } 150 }
151 return 0; 151 return 0;
152 } 152 }
153 153
154 154
155 155
156 static int set_input_clock(struct echoaudio *c 156 static int set_input_clock(struct echoaudio *chip, u16 clock)
157 { 157 {
158 dev_dbg(chip->card->dev, "set_input_cl 158 dev_dbg(chip->card->dev, "set_input_clock(%d)\n", clock);
159 if (snd_BUG_ON(clock != ECHO_CLOCK_INT 159 if (snd_BUG_ON(clock != ECHO_CLOCK_INTERNAL &&
160 clock != ECHO_CLOCK_SPD 160 clock != ECHO_CLOCK_SPDIF))
161 return -EINVAL; 161 return -EINVAL;
162 162
163 chip->input_clock = clock; 163 chip->input_clock = clock;
164 return set_sample_rate(chip, chip->sam 164 return set_sample_rate(chip, chip->sample_rate);
165 } 165 }
166 166
167 167
168 168
169 /* This function routes the sound from a virtu 169 /* This function routes the sound from a virtual channel to a real output */
170 static int set_vmixer_gain(struct echoaudio *c 170 static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
171 int gain) 171 int gain)
172 { 172 {
173 int index; 173 int index;
174 174
175 if (snd_BUG_ON(pipe >= num_pipes_out(c 175 if (snd_BUG_ON(pipe >= num_pipes_out(chip) ||
176 output >= num_busses_ou 176 output >= num_busses_out(chip)))
177 return -EINVAL; 177 return -EINVAL;
178 178
179 if (wait_handshake(chip)) 179 if (wait_handshake(chip))
180 return -EIO; 180 return -EIO;
181 181
182 chip->vmixer_gain[output][pipe] = gain 182 chip->vmixer_gain[output][pipe] = gain;
183 index = output * num_pipes_out(chip) + 183 index = output * num_pipes_out(chip) + pipe;
184 chip->comm_page->vmixer[index] = gain; 184 chip->comm_page->vmixer[index] = gain;
185 185
186 dev_dbg(chip->card->dev, 186 dev_dbg(chip->card->dev,
187 "set_vmixer_gain: pipe %d, out 187 "set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain);
188 return 0; 188 return 0;
189 } 189 }
190 190
191 191
192 192
193 /* Tell the DSP to read and update virtual mix 193 /* Tell the DSP to read and update virtual mixer levels in comm page. */
194 static int update_vmixer_level(struct echoaudi 194 static int update_vmixer_level(struct echoaudio *chip)
195 { 195 {
196 if (wait_handshake(chip)) 196 if (wait_handshake(chip))
197 return -EIO; 197 return -EIO;
198 clear_handshake(chip); 198 clear_handshake(chip);
199 return send_vector(chip, DSP_VC_SET_VM 199 return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
200 } 200 }
201 201
202 202
203 203
204 /* Tell the DSP to reread the flags from the c 204 /* Tell the DSP to reread the flags from the comm page */
205 static int update_flags(struct echoaudio *chip 205 static int update_flags(struct echoaudio *chip)
206 { 206 {
207 if (wait_handshake(chip)) 207 if (wait_handshake(chip))
208 return -EIO; 208 return -EIO;
209 clear_handshake(chip); 209 clear_handshake(chip);
210 return send_vector(chip, DSP_VC_UPDATE 210 return send_vector(chip, DSP_VC_UPDATE_FLAGS);
211 } 211 }
212 212
213 213
214 214
215 static int set_professional_spdif(struct echoa 215 static int set_professional_spdif(struct echoaudio *chip, char prof)
216 { 216 {
217 dev_dbg(chip->card->dev, "set_professi 217 dev_dbg(chip->card->dev, "set_professional_spdif %d\n", prof);
218 if (prof) 218 if (prof)
219 chip->comm_page->flags |= 219 chip->comm_page->flags |=
220 cpu_to_le32(DSP_FLAG_P 220 cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
221 else 221 else
222 chip->comm_page->flags &= 222 chip->comm_page->flags &=
223 ~cpu_to_le32(DSP_FLAG_ 223 ~cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
224 chip->professional_spdif = prof; 224 chip->professional_spdif = prof;
225 return update_flags(chip); 225 return update_flags(chip);
226 } 226 }
227 227
228 228
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