1 /* 2 * C-Media CMI8788 driver for Asus Xonar cards 3 * 4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de> 5 * 6 * 7 * This driver is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License, version 2. 9 * 10 * This driver is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this driver; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 /* 21 * SPI 0 -> 1st PCM1796 (front) 22 * SPI 1 -> 2nd PCM1796 (surround) 23 * SPI 2 -> 3rd PCM1796 (center/LFE) 24 * SPI 4 -> 4th PCM1796 (back) 25 * 26 * GPIO 2 -> M0 of CS5381 27 * GPIO 3 -> M1 of CS5381 28 * GPIO 5 <- ? (D2X only) 29 * GPIO 7 -> ALT 30 * GPIO 8 -> ? (amps enable?) 31 */ 32 33 #include <linux/pci.h> 34 #include <linux/delay.h> 35 #include <sound/control.h> 36 #include <sound/core.h> 37 #include <sound/initval.h> 38 #include <sound/pcm.h> 39 #include <sound/tlv.h> 40 #include "oxygen.h" 41 42 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); 43 MODULE_DESCRIPTION("Asus AV200 driver"); 44 MODULE_LICENSE("GPL"); 45 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}"); 46 47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 50 51 module_param_array(index, int, NULL, 0444); 52 MODULE_PARM_DESC(index, "card index"); 53 module_param_array(id, charp, NULL, 0444); 54 MODULE_PARM_DESC(id, "ID string"); 55 module_param_array(enable, bool, NULL, 0444); 56 MODULE_PARM_DESC(enable, "enable card"); 57 58 static struct pci_device_id xonar_ids[] __devinitdata = { 59 { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */ 60 { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */ 61 { } 62 }; 63 MODULE_DEVICE_TABLE(pci, xonar_ids); 64 65 /* register 0x12 */ 66 #define PCM1796_MUTE 0x01 67 #define PCM1796_FMT_24_MSB 0x30 68 #define PCM1796_ATLD 0x80 69 /* register 0x14 */ 70 #define PCM1796_OS_64 0x00 71 #define PCM1796_OS_32 0x01 72 #define PCM1796_OS_128 0x02 73 74 static void pcm1796_write(struct oxygen *chip, unsigned int codec, 75 u8 reg, u8 value) 76 { 77 /* maps ALSA channel pair number to SPI output */ 78 static const u8 codec_map[4] = { 79 0, 1, 2, 4 80 }; 81 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE | 82 OXYGEN_SPI_DATA_LENGTH_2 | 83 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) | 84 OXYGEN_SPI_MAGIC, 85 (reg << 8) | value); 86 } 87 88 static void xonar_init(struct oxygen *chip) 89 { 90 unsigned int i; 91 92 for (i = 0; i < 4; ++i) { 93 pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD); 94 pcm1796_write(chip, i, 0x13, 0); 95 pcm1796_write(chip, i, 0x14, PCM1796_OS_64); 96 pcm1796_write(chip, i, 0x15, 0); 97 pcm1796_write(chip, i, 0x10, 0xff); 98 pcm1796_write(chip, i, 0x11, 0xff); 99 } 100 101 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c); 102 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c); 103 #if 0 104 oxygen_clear_bits16(chip, OXYGEN_I2S_MULTICH_FORMAT, 105 OXYGEN_I2S_MAGIC1_MASK); 106 #endif 107 oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080); 108 msleep(300); 109 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100); 110 oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100); 111 112 snd_component_add(chip->card, "PCM1796"); 113 snd_component_add(chip->card, "CS5381"); 114 } 115 116 static void xonar_cleanup(struct oxygen *chip) 117 { 118 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100); 119 } 120 121 static void set_pcm1796_params(struct oxygen *chip, 122 struct snd_pcm_hw_params *params) 123 { 124 #if 0 125 unsigned int i; 126 u8 value; 127 128 value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64; 129 for (i = 0; i < 4; ++i) 130 pcm1796_write(chip, i, 0x14, value); 131 #endif 132 } 133 134 static void update_pcm1796_volume(struct oxygen *chip) 135 { 136 unsigned int i; 137 138 for (i = 0; i < 4; ++i) { 139 pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]); 140 pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]); 141 } 142 } 143 144 static void update_pcm1796_mute(struct oxygen *chip) 145 { 146 unsigned int i; 147 u8 value; 148 149 value = PCM1796_FMT_24_MSB | PCM1796_ATLD; 150 if (chip->dac_mute) 151 value |= PCM1796_MUTE; 152 for (i = 0; i < 4; ++i) 153 pcm1796_write(chip, i, 0x12, value); 154 } 155 156 static void set_cs5381_params(struct oxygen *chip, 157 struct snd_pcm_hw_params *params) 158 { 159 unsigned int value; 160 161 if (params_rate(params) <= 54000) 162 value = 0; 163 else if (params_rate(params) <= 108000) 164 value = 4; 165 else 166 value = 8; 167 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c); 168 } 169 170 static int alt_switch_get(struct snd_kcontrol *ctl, 171 struct snd_ctl_elem_value *value) 172 { 173 struct oxygen *chip = ctl->private_data; 174 175 value->value.integer.value[0] = 176 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80); 177 return 0; 178 } 179 180 static int alt_switch_put(struct snd_kcontrol *ctl, 181 struct snd_ctl_elem_value *value) 182 { 183 struct oxygen *chip = ctl->private_data; 184 u16 old_bits, new_bits; 185 int changed; 186 187 spin_lock_irq(&chip->reg_lock); 188 old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA); 189 if (value->value.integer.value[0]) 190 new_bits = old_bits | 0x80; 191 else 192 new_bits = old_bits & ~0x80; 193 changed = new_bits != old_bits; 194 if (changed) 195 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits); 196 spin_unlock_irq(&chip->reg_lock); 197 return changed; 198 } 199 200 static const struct snd_kcontrol_new alt_switch = { 201 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 202 .name = "Analog Loopback Switch", 203 .info = snd_ctl_boolean_mono_info, 204 .get = alt_switch_get, 205 .put = alt_switch_put, 206 }; 207 208 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0); 209 210 static int xonar_mixer_init(struct oxygen *chip) 211 { 212 return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip)); 213 } 214 215 static const struct oxygen_model model_xonar = { 216 .shortname = "Asus AV200", 217 .longname = "Asus Virtuoso 200", 218 .chip = "AV200", 219 .init = xonar_init, 220 .mixer_init = xonar_mixer_init, 221 .cleanup = xonar_cleanup, 222 .set_dac_params = set_pcm1796_params, 223 .set_adc_params = set_cs5381_params, 224 .update_dac_volume = update_pcm1796_volume, 225 .update_dac_mute = update_pcm1796_mute, 226 .dac_tlv = pcm1796_db_scale, 227 .record_from_dma_b = 1, 228 .cd_in_from_video_in = 1, 229 .dac_minimum_volume = 15, 230 .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5, 231 }; 232 233 static int __devinit xonar_probe(struct pci_dev *pci, 234 const struct pci_device_id *pci_id) 235 { 236 static int dev; 237 int err; 238 239 if (dev >= SNDRV_CARDS) 240 return -ENODEV; 241 if (!enable[dev]) { 242 ++dev; 243 return -ENOENT; 244 } 245 err = oxygen_pci_probe(pci, index[dev], id[dev], &model_xonar); 246 if (err >= 0) 247 ++dev; 248 return err; 249 } 250 251 static struct pci_driver xonar_driver = { 252 .name = "AV200", 253 .id_table = xonar_ids, 254 .probe = xonar_probe, 255 .remove = __devexit_p(oxygen_pci_remove), 256 }; 257 258 static int __init alsa_card_xonar_init(void) 259 { 260 return pci_register_driver(&xonar_driver); 261 } 262 263 static void __exit alsa_card_xonar_exit(void) 264 { 265 pci_unregister_driver(&xonar_driver); 266 } 267 268 module_init(alsa_card_xonar_init) 269 module_exit(alsa_card_xonar_exit) 270