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