Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Driver for audio on multifunction CS5535 companion device |
| 3 | * Copyright (C) Jaya Kumar |
| 4 | * |
| 5 | * Based on Jaroslav Kysela and Takashi Iwai's examples. |
| 6 | * This work was sponsored by CIS(M) Sdn Bhd. |
| 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 | |
Clemens Ladisch | ac09a92 | 2005-11-20 13:58:28 +0100 | [diff] [blame] | 24 | #include <sound/driver.h> |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 25 | #include <linux/delay.h> |
| 26 | #include <linux/interrupt.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/pci.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/moduleparam.h> |
| 31 | #include <asm/io.h> |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 32 | #include <sound/core.h> |
| 33 | #include <sound/control.h> |
| 34 | #include <sound/pcm.h> |
| 35 | #include <sound/rawmidi.h> |
| 36 | #include <sound/ac97_codec.h> |
| 37 | #include <sound/initval.h> |
| 38 | #include <sound/asoundef.h> |
| 39 | #include "cs5535audio.h" |
| 40 | |
| 41 | #define DRIVER_NAME "cs5535audio" |
| 42 | |
| 43 | |
| 44 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
| 45 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
| 46 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
| 47 | |
| 48 | static struct pci_device_id snd_cs5535audio_ids[] = { |
Rene Rebe | 363fa1d | 2006-01-12 11:42:47 +0100 | [diff] [blame] | 49 | { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO, |
| 50 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, |
| 51 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO, |
| 52 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 53 | {} |
| 54 | }; |
| 55 | |
| 56 | MODULE_DEVICE_TABLE(pci, snd_cs5535audio_ids); |
| 57 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 58 | static void wait_till_cmd_acked(struct cs5535audio *cs5535au, unsigned long timeout) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 59 | { |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 60 | unsigned int tmp; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 61 | do { |
| 62 | tmp = cs_readl(cs5535au, ACC_CODEC_CNTL); |
| 63 | if (!(tmp & CMD_NEW)) |
| 64 | break; |
David Vrabel | 1037593 | 2006-03-03 18:01:57 +0100 | [diff] [blame] | 65 | udelay(1); |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 66 | } while (--timeout); |
| 67 | if (!timeout) |
| 68 | snd_printk(KERN_ERR "Failure writing to cs5535 codec\n"); |
| 69 | } |
| 70 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 71 | static unsigned short snd_cs5535audio_codec_read(struct cs5535audio *cs5535au, |
| 72 | unsigned short reg) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 73 | { |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 74 | unsigned int regdata; |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 75 | unsigned int timeout; |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 76 | unsigned int val; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 77 | |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 78 | regdata = ((unsigned int) reg) << 24; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 79 | regdata |= ACC_CODEC_CNTL_RD_CMD; |
| 80 | regdata |= CMD_NEW; |
| 81 | |
| 82 | cs_writel(cs5535au, ACC_CODEC_CNTL, regdata); |
David Vrabel | 1037593 | 2006-03-03 18:01:57 +0100 | [diff] [blame] | 83 | wait_till_cmd_acked(cs5535au, 50); |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 84 | |
| 85 | timeout = 50; |
| 86 | do { |
| 87 | val = cs_readl(cs5535au, ACC_CODEC_STATUS); |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 88 | if ((val & STS_NEW) && reg == (val >> 24)) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 89 | break; |
David Vrabel | 1037593 | 2006-03-03 18:01:57 +0100 | [diff] [blame] | 90 | udelay(1); |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 91 | } while (--timeout); |
| 92 | if (!timeout) |
| 93 | snd_printk(KERN_ERR "Failure reading cs5535 codec\n"); |
| 94 | |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 95 | return (unsigned short) val; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 96 | } |
| 97 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 98 | static void snd_cs5535audio_codec_write(struct cs5535audio *cs5535au, |
| 99 | unsigned short reg, unsigned short val) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 100 | { |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 101 | unsigned int regdata; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 102 | |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 103 | regdata = ((unsigned int) reg) << 24; |
| 104 | regdata |= val; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 105 | regdata &= CMD_MASK; |
| 106 | regdata |= CMD_NEW; |
| 107 | regdata &= ACC_CODEC_CNTL_WR_CMD; |
| 108 | |
| 109 | cs_writel(cs5535au, ACC_CODEC_CNTL, regdata); |
| 110 | wait_till_cmd_acked(cs5535au, 50); |
| 111 | } |
| 112 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 113 | static void snd_cs5535audio_ac97_codec_write(struct snd_ac97 *ac97, |
| 114 | unsigned short reg, unsigned short val) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 115 | { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 116 | struct cs5535audio *cs5535au = ac97->private_data; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 117 | snd_cs5535audio_codec_write(cs5535au, reg, val); |
| 118 | } |
| 119 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 120 | static unsigned short snd_cs5535audio_ac97_codec_read(struct snd_ac97 *ac97, |
| 121 | unsigned short reg) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 122 | { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 123 | struct cs5535audio *cs5535au = ac97->private_data; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 124 | return snd_cs5535audio_codec_read(cs5535au, reg); |
| 125 | } |
| 126 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 127 | static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 128 | { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 129 | struct snd_card *card = cs5535au->card; |
| 130 | struct snd_ac97_bus *pbus; |
| 131 | struct snd_ac97_template ac97; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 132 | int err; |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 133 | static struct snd_ac97_bus_ops ops = { |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 134 | .write = snd_cs5535audio_ac97_codec_write, |
| 135 | .read = snd_cs5535audio_ac97_codec_read, |
| 136 | }; |
| 137 | |
| 138 | if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0) |
| 139 | return err; |
| 140 | |
| 141 | memset(&ac97, 0, sizeof(ac97)); |
| 142 | ac97.scaps = AC97_SCAP_AUDIO|AC97_SCAP_SKIP_MODEM; |
| 143 | ac97.private_data = cs5535au; |
| 144 | ac97.pci = cs5535au->pci; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 145 | |
| 146 | if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) { |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 147 | snd_printk(KERN_ERR "mixer failed\n"); |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 148 | return err; |
| 149 | } |
| 150 | |
| 151 | return 0; |
| 152 | } |
| 153 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 154 | static void process_bm0_irq(struct cs5535audio *cs5535au) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 155 | { |
| 156 | u8 bm_stat; |
| 157 | spin_lock(&cs5535au->reg_lock); |
| 158 | bm_stat = cs_readb(cs5535au, ACC_BM0_STATUS); |
| 159 | spin_unlock(&cs5535au->reg_lock); |
| 160 | if (bm_stat & EOP) { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 161 | struct cs5535audio_dma *dma; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 162 | dma = cs5535au->playback_substream->runtime->private_data; |
| 163 | snd_pcm_period_elapsed(cs5535au->playback_substream); |
| 164 | } else { |
| 165 | snd_printk(KERN_ERR "unexpected bm0 irq src, bm_stat=%x\n", |
| 166 | bm_stat); |
| 167 | } |
| 168 | } |
| 169 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 170 | static void process_bm1_irq(struct cs5535audio *cs5535au) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 171 | { |
| 172 | u8 bm_stat; |
| 173 | spin_lock(&cs5535au->reg_lock); |
| 174 | bm_stat = cs_readb(cs5535au, ACC_BM1_STATUS); |
| 175 | spin_unlock(&cs5535au->reg_lock); |
| 176 | if (bm_stat & EOP) { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 177 | struct cs5535audio_dma *dma; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 178 | dma = cs5535au->capture_substream->runtime->private_data; |
| 179 | snd_pcm_period_elapsed(cs5535au->capture_substream); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | static irqreturn_t snd_cs5535audio_interrupt(int irq, void *dev_id, |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 184 | struct pt_regs *regs) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 185 | { |
| 186 | u16 acc_irq_stat; |
| 187 | u8 bm_stat; |
| 188 | unsigned char count; |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 189 | struct cs5535audio *cs5535au = dev_id; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 190 | |
| 191 | if (cs5535au == NULL) |
| 192 | return IRQ_NONE; |
| 193 | |
| 194 | acc_irq_stat = cs_readw(cs5535au, ACC_IRQ_STATUS); |
| 195 | |
| 196 | if (!acc_irq_stat) |
| 197 | return IRQ_NONE; |
Takashi Iwai | 3e87317 | 2005-11-17 10:15:37 +0100 | [diff] [blame] | 198 | for (count = 0; count < 10; count++) { |
| 199 | if (acc_irq_stat & (1 << count)) { |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 200 | switch (count) { |
| 201 | case IRQ_STS: |
| 202 | cs_readl(cs5535au, ACC_GPIO_STATUS); |
| 203 | break; |
| 204 | case WU_IRQ_STS: |
| 205 | cs_readl(cs5535au, ACC_GPIO_STATUS); |
| 206 | break; |
| 207 | case BM0_IRQ_STS: |
| 208 | process_bm0_irq(cs5535au); |
| 209 | break; |
| 210 | case BM1_IRQ_STS: |
| 211 | process_bm1_irq(cs5535au); |
| 212 | break; |
| 213 | case BM2_IRQ_STS: |
| 214 | bm_stat = cs_readb(cs5535au, ACC_BM2_STATUS); |
| 215 | break; |
| 216 | case BM3_IRQ_STS: |
| 217 | bm_stat = cs_readb(cs5535au, ACC_BM3_STATUS); |
| 218 | break; |
| 219 | case BM4_IRQ_STS: |
| 220 | bm_stat = cs_readb(cs5535au, ACC_BM4_STATUS); |
| 221 | break; |
| 222 | case BM5_IRQ_STS: |
| 223 | bm_stat = cs_readb(cs5535au, ACC_BM5_STATUS); |
| 224 | break; |
| 225 | case BM6_IRQ_STS: |
| 226 | bm_stat = cs_readb(cs5535au, ACC_BM6_STATUS); |
| 227 | break; |
| 228 | case BM7_IRQ_STS: |
| 229 | bm_stat = cs_readb(cs5535au, ACC_BM7_STATUS); |
| 230 | break; |
| 231 | default: |
| 232 | snd_printk(KERN_ERR "Unexpected irq src\n"); |
| 233 | break; |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | return IRQ_HANDLED; |
| 238 | } |
| 239 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 240 | static int snd_cs5535audio_free(struct cs5535audio *cs5535au) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 241 | { |
| 242 | synchronize_irq(cs5535au->irq); |
| 243 | pci_set_power_state(cs5535au->pci, 3); |
| 244 | |
| 245 | if (cs5535au->irq >= 0) |
| 246 | free_irq(cs5535au->irq, cs5535au); |
| 247 | |
| 248 | pci_release_regions(cs5535au->pci); |
| 249 | pci_disable_device(cs5535au->pci); |
| 250 | kfree(cs5535au); |
| 251 | return 0; |
| 252 | } |
| 253 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 254 | static int snd_cs5535audio_dev_free(struct snd_device *device) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 255 | { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 256 | struct cs5535audio *cs5535au = device->device_data; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 257 | return snd_cs5535audio_free(cs5535au); |
| 258 | } |
| 259 | |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 260 | static int __devinit snd_cs5535audio_create(struct snd_card *card, |
| 261 | struct pci_dev *pci, |
| 262 | struct cs5535audio **rcs5535au) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 263 | { |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 264 | struct cs5535audio *cs5535au; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 265 | |
| 266 | int err; |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 267 | static struct snd_device_ops ops = { |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 268 | .dev_free = snd_cs5535audio_dev_free, |
| 269 | }; |
| 270 | |
| 271 | *rcs5535au = NULL; |
| 272 | if ((err = pci_enable_device(pci)) < 0) |
| 273 | return err; |
| 274 | |
| 275 | if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 || |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 276 | pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) { |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 277 | printk(KERN_WARNING "unable to get 32bit dma\n"); |
| 278 | err = -ENXIO; |
| 279 | goto pcifail; |
| 280 | } |
| 281 | |
| 282 | cs5535au = kzalloc(sizeof(*cs5535au), GFP_KERNEL); |
| 283 | if (cs5535au == NULL) { |
| 284 | err = -ENOMEM; |
| 285 | goto pcifail; |
| 286 | } |
| 287 | |
| 288 | spin_lock_init(&cs5535au->reg_lock); |
| 289 | cs5535au->card = card; |
| 290 | cs5535au->pci = pci; |
| 291 | cs5535au->irq = -1; |
| 292 | |
| 293 | if ((err = pci_request_regions(pci, "CS5535 Audio")) < 0) { |
| 294 | kfree(cs5535au); |
| 295 | goto pcifail; |
| 296 | } |
| 297 | |
| 298 | cs5535au->port = pci_resource_start(pci, 0); |
| 299 | |
| 300 | if (request_irq(pci->irq, snd_cs5535audio_interrupt, |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 301 | SA_INTERRUPT|SA_SHIRQ, "CS5535 Audio", cs5535au)) { |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 302 | snd_printk("unable to grab IRQ %d\n", pci->irq); |
| 303 | err = -EBUSY; |
| 304 | goto sndfail; |
| 305 | } |
| 306 | |
| 307 | cs5535au->irq = pci->irq; |
| 308 | pci_set_master(pci); |
| 309 | |
| 310 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 311 | cs5535au, &ops)) < 0) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 312 | goto sndfail; |
| 313 | |
| 314 | snd_card_set_dev(card, &pci->dev); |
| 315 | |
| 316 | *rcs5535au = cs5535au; |
| 317 | return 0; |
| 318 | |
| 319 | sndfail: /* leave the device alive, just kill the snd */ |
| 320 | snd_cs5535audio_free(cs5535au); |
| 321 | return err; |
| 322 | |
| 323 | pcifail: |
| 324 | pci_disable_device(pci); |
| 325 | return err; |
| 326 | } |
| 327 | |
| 328 | static int __devinit snd_cs5535audio_probe(struct pci_dev *pci, |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 329 | const struct pci_device_id *pci_id) |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 330 | { |
| 331 | static int dev; |
Takashi Iwai | 66f8df6 | 2005-11-17 14:56:21 +0100 | [diff] [blame] | 332 | struct snd_card *card; |
| 333 | struct cs5535audio *cs5535au; |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 334 | int err; |
| 335 | |
| 336 | if (dev >= SNDRV_CARDS) |
| 337 | return -ENODEV; |
| 338 | if (!enable[dev]) { |
| 339 | dev++; |
| 340 | return -ENOENT; |
| 341 | } |
| 342 | |
| 343 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
| 344 | if (card == NULL) |
| 345 | return -ENOMEM; |
| 346 | |
| 347 | if ((err = snd_cs5535audio_create(card, pci, &cs5535au)) < 0) |
| 348 | goto probefail_out; |
| 349 | |
| 350 | if ((err = snd_cs5535audio_mixer(cs5535au)) < 0) |
| 351 | goto probefail_out; |
| 352 | |
| 353 | if ((err = snd_cs5535audio_pcm(cs5535au)) < 0) |
| 354 | goto probefail_out; |
| 355 | |
| 356 | strcpy(card->driver, DRIVER_NAME); |
| 357 | |
| 358 | strcpy(card->shortname, "CS5535 Audio"); |
| 359 | sprintf(card->longname, "%s %s at 0x%lx, irq %i", |
| 360 | card->shortname, card->driver, |
| 361 | cs5535au->port, cs5535au->irq); |
| 362 | |
| 363 | if ((err = snd_card_register(card)) < 0) |
| 364 | goto probefail_out; |
| 365 | |
| 366 | pci_set_drvdata(pci, card); |
| 367 | dev++; |
| 368 | return 0; |
| 369 | |
| 370 | probefail_out: |
| 371 | snd_card_free(card); |
| 372 | return err; |
| 373 | } |
| 374 | |
| 375 | static void __devexit snd_cs5535audio_remove(struct pci_dev *pci) |
| 376 | { |
| 377 | snd_card_free(pci_get_drvdata(pci)); |
| 378 | pci_set_drvdata(pci, NULL); |
| 379 | } |
| 380 | |
| 381 | static struct pci_driver driver = { |
| 382 | .name = DRIVER_NAME, |
| 383 | .id_table = snd_cs5535audio_ids, |
| 384 | .probe = snd_cs5535audio_probe, |
| 385 | .remove = __devexit_p(snd_cs5535audio_remove), |
| 386 | }; |
| 387 | |
| 388 | static int __init alsa_card_cs5535audio_init(void) |
| 389 | { |
Ben Gardner | e329113 | 2006-01-09 20:51:29 -0800 | [diff] [blame] | 390 | return pci_register_driver(&driver); |
Jaya Kumar | 9b4ffa4 | 2005-11-17 10:12:23 +0100 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | static void __exit alsa_card_cs5535audio_exit(void) |
| 394 | { |
| 395 | pci_unregister_driver(&driver); |
| 396 | } |
| 397 | |
| 398 | module_init(alsa_card_cs5535audio_init) |
| 399 | module_exit(alsa_card_cs5535audio_exit) |
| 400 | |
| 401 | MODULE_AUTHOR("Jaya Kumar"); |
| 402 | MODULE_LICENSE("GPL"); |
| 403 | MODULE_DESCRIPTION("CS5535 Audio"); |
| 404 | MODULE_SUPPORTED_DEVICE("CS5535 Audio"); |