1 /* 2 * ALSA driver for ICEnsemble ICE1712 (Envy24) 3 * 4 * Lowlevel functions for Hoontech STDSP24 5 * 6 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24 #include <asm/io.h> 25 #include <linux/delay.h> 26 #include <linux/interrupt.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/mutex.h> 30 31 #include <sound/core.h> 32 33 #include "ice1712.h" 34 #include "hoontech.h" 35 36 /* Hoontech-specific setting */ 37 struct hoontech_spec { 38 unsigned char boxbits[4]; 39 unsigned int config; 40 unsigned short boxconfig[4]; 41 }; 42 43 static void __devinit snd_ice1712_stdsp24_gpio_write(struct snd_ice1712 *ice, unsigned char byte) 44 { 45 byte |= ICE1712_STDSP24_CLOCK_BIT; 46 udelay(100); 47 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte); 48 byte &= ~ICE1712_STDSP24_CLOCK_BIT; 49 udelay(100); 50 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte); 51 byte |= ICE1712_STDSP24_CLOCK_BIT; 52 udelay(100); 53 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte); 54 } 55 56 static void __devinit snd_ice1712_stdsp24_darear(struct snd_ice1712 *ice, int activate) 57 { 58 struct hoontech_spec *spec = ice->spec; 59 mutex_lock(&ice->gpio_mutex); 60 ICE1712_STDSP24_0_DAREAR(spec->boxbits, activate); 61 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]); 62 mutex_unlock(&ice->gpio_mutex); 63 } 64 65 static void __devinit snd_ice1712_stdsp24_mute(struct snd_ice1712 *ice, int activate) 66 { 67 struct hoontech_spec *spec = ice->spec; 68 mutex_lock(&ice->gpio_mutex); 69 ICE1712_STDSP24_3_MUTE(spec->boxbits, activate); 70 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]); 71 mutex_unlock(&ice->gpio_mutex); 72 } 73 74 static void __devinit snd_ice1712_stdsp24_insel(struct snd_ice1712 *ice, int activate) 75 { 76 struct hoontech_spec *spec = ice->spec; 77 mutex_lock(&ice->gpio_mutex); 78 ICE1712_STDSP24_3_INSEL(spec->boxbits, activate); 79 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]); 80 mutex_unlock(&ice->gpio_mutex); 81 } 82 83 static void __devinit snd_ice1712_stdsp24_box_channel(struct snd_ice1712 *ice, int box, int chn, int activate) 84 { 85 struct hoontech_spec *spec = ice->spec; 86 87 mutex_lock(&ice->gpio_mutex); 88 89 /* select box */ 90 ICE1712_STDSP24_0_BOX(spec->boxbits, box); 91 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]); 92 93 /* prepare for write */ 94 if (chn == 3) 95 ICE1712_STDSP24_2_CHN4(spec->boxbits, 0); 96 ICE1712_STDSP24_2_MIDI1(spec->boxbits, activate); 97 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 98 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]); 99 100 ICE1712_STDSP24_1_CHN1(spec->boxbits, 1); 101 ICE1712_STDSP24_1_CHN2(spec->boxbits, 1); 102 ICE1712_STDSP24_1_CHN3(spec->boxbits, 1); 103 ICE1712_STDSP24_2_CHN4(spec->boxbits, 1); 104 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]); 105 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 106 udelay(100); 107 if (chn == 3) { 108 ICE1712_STDSP24_2_CHN4(spec->boxbits, 0); 109 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 110 } else { 111 switch (chn) { 112 case 0: ICE1712_STDSP24_1_CHN1(spec->boxbits, 0); break; 113 case 1: ICE1712_STDSP24_1_CHN2(spec->boxbits, 0); break; 114 case 2: ICE1712_STDSP24_1_CHN3(spec->boxbits, 0); break; 115 } 116 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]); 117 } 118 udelay(100); 119 ICE1712_STDSP24_1_CHN1(spec->boxbits, 1); 120 ICE1712_STDSP24_1_CHN2(spec->boxbits, 1); 121 ICE1712_STDSP24_1_CHN3(spec->boxbits, 1); 122 ICE1712_STDSP24_2_CHN4(spec->boxbits, 1); 123 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]); 124 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 125 udelay(100); 126 127 ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0); 128 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 129 130 mutex_unlock(&ice->gpio_mutex); 131 } 132 133 static void __devinit snd_ice1712_stdsp24_box_midi(struct snd_ice1712 *ice, int box, int master) 134 { 135 struct hoontech_spec *spec = ice->spec; 136 137 mutex_lock(&ice->gpio_mutex); 138 139 /* select box */ 140 ICE1712_STDSP24_0_BOX(spec->boxbits, box); 141 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]); 142 143 ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1); 144 ICE1712_STDSP24_2_MIDI1(spec->boxbits, master); 145 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 146 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]); 147 148 udelay(100); 149 150 ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 0); 151 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 152 153 mdelay(10); 154 155 ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1); 156 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]); 157 158 mutex_unlock(&ice->gpio_mutex); 159 } 160 161 static void __devinit snd_ice1712_stdsp24_midi2(struct snd_ice1712 *ice, int activate) 162 { 163 struct hoontech_spec *spec = ice->spec; 164 mutex_lock(&ice->gpio_mutex); 165 ICE1712_STDSP24_3_MIDI2(spec->boxbits, activate); 166 snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]); 167 mutex_unlock(&ice->gpio_mutex); 168 } 169 170 static int __devinit snd_ice1712_hoontech_init(struct snd_ice1712 *ice) 171 { 172 struct hoontech_spec *spec; 173 int box, chn; 174 175 ice->num_total_dacs = 8; 176 ice->num_total_adcs = 8; 177 178 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 179 if (!spec) 180 return -ENOMEM; 181 ice->spec = spec; 182 183 ICE1712_STDSP24_SET_ADDR(spec->boxbits, 0); 184 ICE1712_STDSP24_CLOCK(spec->boxbits, 0, 1); 185 ICE1712_STDSP24_0_BOX(spec->boxbits, 0); 186 ICE1712_STDSP24_0_DAREAR(spec->boxbits, 0); 187 188 ICE1712_STDSP24_SET_ADDR(spec->boxbits, 1); 189 ICE1712_STDSP24_CLOCK(spec->boxbits, 1, 1); 190 ICE1712_STDSP24_1_CHN1(spec->boxbits, 1); 191 ICE1712_STDSP24_1_CHN2(spec->boxbits, 1); 192 ICE1712_STDSP24_1_CHN3(spec->boxbits, 1); 193 194 ICE1712_STDSP24_SET_ADDR(spec->boxbits, 2); 195 ICE1712_STDSP24_CLOCK(spec->boxbits, 2, 1); 196 ICE1712_STDSP24_2_CHN4(spec->boxbits, 1); 197 ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1); 198 ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0); 199 200 ICE1712_STDSP24_SET_ADDR(spec->boxbits, 3); 201 ICE1712_STDSP24_CLOCK(spec->boxbits, 3, 1); 202 ICE1712_STDSP24_3_MIDI2(spec->boxbits, 0); 203 ICE1712_STDSP24_3_MUTE(spec->boxbits, 1); 204 ICE1712_STDSP24_3_INSEL(spec->boxbits, 0); 205 206 /* let's go - activate only functions in first box */ 207 spec->config = 0; 208 /* ICE1712_STDSP24_MUTE | 209 ICE1712_STDSP24_INSEL | 210 ICE1712_STDSP24_DAREAR; */ 211 /* These boxconfigs have caused problems in the past. 212 * The code is not optimal, but should now enable a working config to 213 * be achieved. 214 * ** MIDI IN can only be configured on one box ** 215 * ICE1712_STDSP24_BOX_MIDI1 needs to be set for that box. 216 * Tests on a ADAC2000 box suggest the box config flags do not 217 * work as would be expected, and the inputs are crossed. 218 * Setting ICE1712_STDSP24_BOX_MIDI1 and ICE1712_STDSP24_BOX_MIDI2 219 * on the same box connects MIDI-In to both 401 uarts; both outputs 220 * are then active on all boxes. 221 * The default config here sets up everything on the first box. 222 * Alan Horstmann 5.2.2008 223 */ 224 spec->boxconfig[0] = ICE1712_STDSP24_BOX_CHN1 | 225 ICE1712_STDSP24_BOX_CHN2 | 226 ICE1712_STDSP24_BOX_CHN3 | 227 ICE1712_STDSP24_BOX_CHN4 | 228 ICE1712_STDSP24_BOX_MIDI1 | 229 ICE1712_STDSP24_BOX_MIDI2; 230 spec->boxconfig[1] = 231 spec->boxconfig[2] = 232 spec->boxconfig[3] = 0; 233 snd_ice1712_stdsp24_darear(ice, 234 (spec->config & ICE1712_STDSP24_DAREAR) ? 1 : 0); 235 snd_ice1712_stdsp24_mute(ice, 236 (spec->config & ICE1712_STDSP24_MUTE) ? 1 : 0); 237 snd_ice1712_stdsp24_insel(ice, 238 (spec->config & ICE1712_STDSP24_INSEL) ? 1 : 0); 239 for (box = 0; box < 4; box++) { 240 if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI2) 241 snd_ice1712_stdsp24_midi2(ice, 1); 242 for (chn = 0; chn < 4; chn++) 243 snd_ice1712_stdsp24_box_channel(ice, box, chn, 244 (spec->boxconfig[box] & (1 << chn)) ? 1 : 0); 245 if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI1) 246 snd_ice1712_stdsp24_box_midi(ice, box, 1); 247 } 248 249 return 0; 250 } 251 252 /* 253 * AK4524 access 254 */ 255 256 /* start callback for STDSP24 with modified hardware */ 257 static void stdsp24_ak4524_lock(struct snd_akm4xxx *ak, int chip) 258 { 259 struct snd_ice1712 *ice = ak->private_data[0]; 260 unsigned char tmp; 261 snd_ice1712_save_gpio_status(ice); 262 tmp = ICE1712_STDSP24_SERIAL_DATA | 263 ICE1712_STDSP24_SERIAL_CLOCK | 264 ICE1712_STDSP24_AK4524_CS; 265 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, 266 ice->gpio.direction | tmp); 267 snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp); 268 } 269 270 static int __devinit snd_ice1712_value_init(struct snd_ice1712 *ice) 271 { 272 /* Hoontech STDSP24 with modified hardware */ 273 static struct snd_akm4xxx akm_stdsp24_mv __devinitdata = { 274 .num_adcs = 2, 275 .num_dacs = 2, 276 .type = SND_AK4524, 277 .ops = { 278 .lock = stdsp24_ak4524_lock 279 } 280 }; 281 282 static struct snd_ak4xxx_private akm_stdsp24_mv_priv __devinitdata = { 283 .caddr = 2, 284 .cif = 1, /* CIF high */ 285 .data_mask = ICE1712_STDSP24_SERIAL_DATA, 286 .clk_mask = ICE1712_STDSP24_SERIAL_CLOCK, 287 .cs_mask = ICE1712_STDSP24_AK4524_CS, 288 .cs_addr = ICE1712_STDSP24_AK4524_CS, 289 .cs_none = 0, 290 .add_flags = 0, 291 }; 292 293 int err; 294 struct snd_akm4xxx *ak; 295 296 /* set the analog DACs */ 297 ice->num_total_dacs = 2; 298 299 /* set the analog ADCs */ 300 ice->num_total_adcs = 2; 301 302 /* analog section */ 303 ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); 304 if (! ak) 305 return -ENOMEM; 306 ice->akm_codecs = 1; 307 308 err = snd_ice1712_akm4xxx_init(ak, &akm_stdsp24_mv, &akm_stdsp24_mv_priv, ice); 309 if (err < 0) 310 return err; 311 312 /* ak4524 controls */ 313 err = snd_ice1712_akm4xxx_build_controls(ice); 314 if (err < 0) 315 return err; 316 317 return 0; 318 } 319 320 static int __devinit snd_ice1712_ez8_init(struct snd_ice1712 *ice) 321 { 322 ice->gpio.write_mask = ice->eeprom.gpiomask; 323 ice->gpio.direction = ice->eeprom.gpiodir; 324 snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ice->eeprom.gpiomask); 325 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->eeprom.gpiodir); 326 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ice->eeprom.gpiostate); 327 return 0; 328 } 329 330 331 /* entry point */ 332 struct snd_ice1712_card_info snd_ice1712_hoontech_cards[] __devinitdata = { 333 { 334 .subvendor = ICE1712_SUBDEVICE_STDSP24, 335 .name = "Hoontech SoundTrack Audio DSP24", 336 .model = "dsp24", 337 .chip_init = snd_ice1712_hoontech_init, 338 .mpu401_1_name = "MIDI-1 Hoontech/STA DSP24", 339 .mpu401_2_name = "MIDI-2 Hoontech/STA DSP24", 340 }, 341 { 342 .subvendor = ICE1712_SUBDEVICE_STDSP24_VALUE, /* a dummy id */ 343 .name = "Hoontech SoundTrack Audio DSP24 Value", 344 .model = "dsp24_value", 345 .chip_init = snd_ice1712_value_init, 346 }, 347 { 348 .subvendor = ICE1712_SUBDEVICE_STDSP24_MEDIA7_1, 349 .name = "Hoontech STA DSP24 Media 7.1", 350 .model = "dsp24_71", 351 .chip_init = snd_ice1712_hoontech_init, 352 }, 353 { 354 .subvendor = ICE1712_SUBDEVICE_EVENT_EZ8, /* a dummy id */ 355 .name = "Event Electronics EZ8", 356 .model = "ez8", 357 .chip_init = snd_ice1712_ez8_init, 358 }, 359 { } /* terminator */ 360 }; 361