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_professional_spdif(struct echoa 32 static int set_professional_spdif(struct echoaudio *chip, char prof);
33 static int update_flags(struct echoaudio *chip 33 static int update_flags(struct echoaudio *chip);
34 34
35 35
36 static int init_hw(struct echoaudio *chip, u16 36 static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
37 { 37 {
38 int err; 38 int err;
39 39
40 if (snd_BUG_ON((subdevice_id & 0xfff0) 40 if (snd_BUG_ON((subdevice_id & 0xfff0) != GINA20))
41 return -ENODEV; 41 return -ENODEV;
42 42
43 err = init_dsp_comm_page(chip); 43 err = init_dsp_comm_page(chip);
44 if (err) { 44 if (err) {
45 dev_err(chip->card->dev, 45 dev_err(chip->card->dev,
46 "init_hw - could not i 46 "init_hw - could not initialize DSP comm page\n");
47 return err; 47 return err;
48 } 48 }
49 49
50 chip->device_id = device_id; 50 chip->device_id = device_id;
51 chip->subdevice_id = subdevice_id; 51 chip->subdevice_id = subdevice_id;
52 chip->bad_board = true; 52 chip->bad_board = true;
53 chip->dsp_code_to_load = FW_GINA20_DSP 53 chip->dsp_code_to_load = FW_GINA20_DSP;
54 chip->spdif_status = GD_SPDIF_STATUS_U 54 chip->spdif_status = GD_SPDIF_STATUS_UNDEF;
55 chip->clock_state = GD_CLOCK_UNDEF; 55 chip->clock_state = GD_CLOCK_UNDEF;
56 /* Since this card has no ASIC, mark i 56 /* Since this card has no ASIC, mark it as loaded so everything
57 works OK */ 57 works OK */
58 chip->asic_loaded = true; 58 chip->asic_loaded = true;
59 chip->input_clock_types = ECHO_CLOCK_B 59 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL |
60 ECHO_CLOCK_BIT_SPDIF; 60 ECHO_CLOCK_BIT_SPDIF;
61 61
62 err = load_firmware(chip); 62 err = load_firmware(chip);
63 if (err < 0) 63 if (err < 0)
64 return err; 64 return err;
65 chip->bad_board = false; 65 chip->bad_board = false;
66 66
67 return err; 67 return err;
68 } 68 }
69 69
70 70
71 71
72 static int set_mixer_defaults(struct echoaudio 72 static int set_mixer_defaults(struct echoaudio *chip)
73 { 73 {
74 chip->professional_spdif = false; 74 chip->professional_spdif = false;
75 return init_line_levels(chip); 75 return init_line_levels(chip);
76 } 76 }
77 77
78 78
79 79
80 static u32 detect_input_clocks(const struct ec 80 static u32 detect_input_clocks(const struct echoaudio *chip)
81 { 81 {
82 u32 clocks_from_dsp, clock_bits; 82 u32 clocks_from_dsp, clock_bits;
83 83
84 /* Map the DSP clock detect bits to th 84 /* Map the DSP clock detect bits to the generic driver clock
85 detect bits */ 85 detect bits */
86 clocks_from_dsp = le32_to_cpu(chip->co 86 clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks);
87 87
88 clock_bits = ECHO_CLOCK_BIT_INTERNAL; 88 clock_bits = ECHO_CLOCK_BIT_INTERNAL;
89 89
90 if (clocks_from_dsp & GLDM_CLOCK_DETEC 90 if (clocks_from_dsp & GLDM_CLOCK_DETECT_BIT_SPDIF)
91 clock_bits |= ECHO_CLOCK_BIT_S 91 clock_bits |= ECHO_CLOCK_BIT_SPDIF;
92 92
93 return clock_bits; 93 return clock_bits;
94 } 94 }
95 95
96 96
97 97
98 /* The Gina20 has no ASIC. Just do nothing */ 98 /* The Gina20 has no ASIC. Just do nothing */
99 static int load_asic(struct echoaudio *chip) 99 static int load_asic(struct echoaudio *chip)
100 { 100 {
101 return 0; 101 return 0;
102 } 102 }
103 103
104 104
105 105
106 static int set_sample_rate(struct echoaudio *c 106 static int set_sample_rate(struct echoaudio *chip, u32 rate)
107 { 107 {
108 u8 clock_state, spdif_status; 108 u8 clock_state, spdif_status;
109 109
110 if (wait_handshake(chip)) 110 if (wait_handshake(chip))
111 return -EIO; 111 return -EIO;
112 112
113 switch (rate) { 113 switch (rate) {
114 case 44100: 114 case 44100:
115 clock_state = GD_CLOCK_44; 115 clock_state = GD_CLOCK_44;
116 spdif_status = GD_SPDIF_STATUS 116 spdif_status = GD_SPDIF_STATUS_44;
117 break; 117 break;
118 case 48000: 118 case 48000:
119 clock_state = GD_CLOCK_48; 119 clock_state = GD_CLOCK_48;
120 spdif_status = GD_SPDIF_STATUS 120 spdif_status = GD_SPDIF_STATUS_48;
121 break; 121 break;
122 default: 122 default:
123 clock_state = GD_CLOCK_NOCHANG 123 clock_state = GD_CLOCK_NOCHANGE;
124 spdif_status = GD_SPDIF_STATUS 124 spdif_status = GD_SPDIF_STATUS_NOCHANGE;
125 break; 125 break;
126 } 126 }
127 127
128 if (chip->clock_state == clock_state) 128 if (chip->clock_state == clock_state)
129 clock_state = GD_CLOCK_NOCHANG 129 clock_state = GD_CLOCK_NOCHANGE;
130 if (spdif_status == chip->spdif_status 130 if (spdif_status == chip->spdif_status)
131 spdif_status = GD_SPDIF_STATUS 131 spdif_status = GD_SPDIF_STATUS_NOCHANGE;
132 132
133 chip->comm_page->sample_rate = cpu_to_ 133 chip->comm_page->sample_rate = cpu_to_le32(rate);
134 chip->comm_page->gd_clock_state = cloc 134 chip->comm_page->gd_clock_state = clock_state;
135 chip->comm_page->gd_spdif_status = spd 135 chip->comm_page->gd_spdif_status = spdif_status;
136 chip->comm_page->gd_resampler_state = 136 chip->comm_page->gd_resampler_state = 3; /* magic number - should always be 3 */
137 137
138 /* Save the new audio state if it chan 138 /* Save the new audio state if it changed */
139 if (clock_state != GD_CLOCK_NOCHANGE) 139 if (clock_state != GD_CLOCK_NOCHANGE)
140 chip->clock_state = clock_stat 140 chip->clock_state = clock_state;
141 if (spdif_status != GD_SPDIF_STATUS_NO 141 if (spdif_status != GD_SPDIF_STATUS_NOCHANGE)
142 chip->spdif_status = spdif_sta 142 chip->spdif_status = spdif_status;
143 chip->sample_rate = rate; 143 chip->sample_rate = rate;
144 144
145 clear_handshake(chip); 145 clear_handshake(chip);
146 return send_vector(chip, DSP_VC_SET_GD 146 return send_vector(chip, DSP_VC_SET_GD_AUDIO_STATE);
147 } 147 }
148 148
149 149
150 150
151 static int set_input_clock(struct echoaudio *c 151 static int set_input_clock(struct echoaudio *chip, u16 clock)
152 { 152 {
153 153
154 switch (clock) { 154 switch (clock) {
155 case ECHO_CLOCK_INTERNAL: 155 case ECHO_CLOCK_INTERNAL:
156 /* Reset the audio state to un 156 /* Reset the audio state to unknown (just in case) */
157 chip->clock_state = GD_CLOCK_U 157 chip->clock_state = GD_CLOCK_UNDEF;
158 chip->spdif_status = GD_SPDIF_ 158 chip->spdif_status = GD_SPDIF_STATUS_UNDEF;
159 set_sample_rate(chip, chip->sa 159 set_sample_rate(chip, chip->sample_rate);
160 chip->input_clock = clock; 160 chip->input_clock = clock;
161 break; 161 break;
162 case ECHO_CLOCK_SPDIF: 162 case ECHO_CLOCK_SPDIF:
163 chip->comm_page->gd_clock_stat 163 chip->comm_page->gd_clock_state = GD_CLOCK_SPDIFIN;
164 chip->comm_page->gd_spdif_stat 164 chip->comm_page->gd_spdif_status = GD_SPDIF_STATUS_NOCHANGE;
165 clear_handshake(chip); 165 clear_handshake(chip);
166 send_vector(chip, DSP_VC_SET_G 166 send_vector(chip, DSP_VC_SET_GD_AUDIO_STATE);
167 chip->clock_state = GD_CLOCK_S 167 chip->clock_state = GD_CLOCK_SPDIFIN;
168 chip->input_clock = clock; 168 chip->input_clock = clock;
169 break; 169 break;
170 default: 170 default:
171 return -EINVAL; 171 return -EINVAL;
172 } 172 }
173 173
174 return 0; 174 return 0;
175 } 175 }
176 176
177 177
178 178
179 /* Set input bus gain (one unit is 0.5dB !) */ 179 /* Set input bus gain (one unit is 0.5dB !) */
180 static int set_input_gain(struct echoaudio *ch 180 static int set_input_gain(struct echoaudio *chip, u16 input, int gain)
181 { 181 {
182 if (snd_BUG_ON(input >= num_busses_in( 182 if (snd_BUG_ON(input >= num_busses_in(chip)))
183 return -EINVAL; 183 return -EINVAL;
184 184
185 if (wait_handshake(chip)) 185 if (wait_handshake(chip))
186 return -EIO; 186 return -EIO;
187 187
188 chip->input_gain[input] = gain; 188 chip->input_gain[input] = gain;
189 gain += GL20_INPUT_GAIN_MAGIC_NUMBER; 189 gain += GL20_INPUT_GAIN_MAGIC_NUMBER;
190 chip->comm_page->line_in_level[input] 190 chip->comm_page->line_in_level[input] = gain;
191 return 0; 191 return 0;
192 } 192 }
193 193
194 194
195 195
196 /* Tell the DSP to reread the flags from the c 196 /* Tell the DSP to reread the flags from the comm page */
197 static int update_flags(struct echoaudio *chip 197 static int update_flags(struct echoaudio *chip)
198 { 198 {
199 if (wait_handshake(chip)) 199 if (wait_handshake(chip))
200 return -EIO; 200 return -EIO;
201 clear_handshake(chip); 201 clear_handshake(chip);
202 return send_vector(chip, DSP_VC_UPDATE 202 return send_vector(chip, DSP_VC_UPDATE_FLAGS);
203 } 203 }
204 204
205 205
206 206
207 static int set_professional_spdif(struct echoa 207 static int set_professional_spdif(struct echoaudio *chip, char prof)
208 { 208 {
209 if (prof) 209 if (prof)
210 chip->comm_page->flags |= 210 chip->comm_page->flags |=
211 cpu_to_le32(DSP_FLAG_P 211 cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
212 else 212 else
213 chip->comm_page->flags &= 213 chip->comm_page->flags &=
214 ~cpu_to_le32(DSP_FLAG_ 214 ~cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
215 chip->professional_spdif = prof; 215 chip->professional_spdif = prof;
216 return update_flags(chip); 216 return update_flags(chip);
217 } 217 }
218 218
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