diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pcmcia/vx/vxpocket.c')
-rw-r--r-- | ANDROID_3.4.5/sound/pcmcia/vx/vxpocket.c | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/pcmcia/vx/vxpocket.c b/ANDROID_3.4.5/sound/pcmcia/vx/vxpocket.c new file mode 100644 index 00000000..512f0b47 --- /dev/null +++ b/ANDROID_3.4.5/sound/pcmcia/vx/vxpocket.c @@ -0,0 +1,382 @@ +/* + * Driver for Digigram VXpocket V2/440 soundcards + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <sound/core.h> +#include "vxpocket.h" +#include <pcmcia/ciscode.h> +#include <pcmcia/cisreg.h> +#include <sound/initval.h> +#include <sound/tlv.h> + +/* + */ + +MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("Digigram VXPocket"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ +static int ibl[SNDRV_CARDS]; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for VXPocket soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for VXPocket soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable VXPocket soundcard."); +module_param_array(ibl, int, NULL, 0444); +MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard."); + + +/* + */ + +static unsigned int card_alloc; + + +/* + */ +static void vxpocket_release(struct pcmcia_device *link) +{ + pcmcia_disable_device(link); +} + +/* + * destructor, called from snd_card_free_when_closed() + */ +static int snd_vxpocket_dev_free(struct snd_device *device) +{ + struct vx_core *chip = device->device_data; + + snd_vx_free_firmware(chip); + kfree(chip); + return 0; +} + + +/* + * Hardware information + */ + +/* VX-pocket V2 + * + * 1 DSP, 1 sync UER + * 1 programmable clock (NIY) + * 1 stereo analog input (line/micro) + * 1 stereo analog output + * Only output levels can be modified + */ + +static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); + +static struct snd_vx_hardware vxpocket_hw = { + .name = "VXPocket", + .type = VX_TYPE_VXPOCKET, + + /* hardware specs */ + .num_codecs = 1, + .num_ins = 1, + .num_outs = 1, + .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, + .output_level_db_scale = db_scale_old_vol, +}; + +/* VX-pocket 440 + * + * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) + * SMPTE (NIY) + * 2 stereo analog input (line/micro) + * 2 stereo analog output + * Only output levels can be modified + * UER, but only for the first two inputs and outputs. + */ + +static struct snd_vx_hardware vxp440_hw = { + .name = "VXPocket440", + .type = VX_TYPE_VXP440, + + /* hardware specs */ + .num_codecs = 2, + .num_ins = 2, + .num_outs = 2, + .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, + .output_level_db_scale = db_scale_old_vol, +}; + + +/* + * create vxpocket instance + */ +static int snd_vxpocket_new(struct snd_card *card, int ibl, + struct pcmcia_device *link, + struct snd_vxpocket **chip_ret) +{ + struct vx_core *chip; + struct snd_vxpocket *vxp; + static struct snd_device_ops ops = { + .dev_free = snd_vxpocket_dev_free, + }; + int err; + + chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, + sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); + if (!chip) + return -ENOMEM; + + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { + kfree(chip); + return err; + } + chip->ibl.size = ibl; + + vxp = (struct snd_vxpocket *)chip; + + vxp->p_dev = link; + link->priv = chip; + + link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + link->resource[0]->end = 16; + + link->config_flags |= CONF_ENABLE_IRQ; + link->config_index = 1; + link->config_regs = PRESENT_OPTION; + + *chip_ret = vxp; + return 0; +} + + +/** + * snd_vxpocket_assign_resources - initialize the hardware and card instance. + * @port: i/o port for the card + * @irq: irq number for the card + * + * this function assigns the specified port and irq, boot the card, + * create pcm and control instances, and initialize the rest hardware. + * + * returns 0 if successful, or a negative error code. + */ +static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) +{ + int err; + struct snd_card *card = chip->card; + struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; + + snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); + vxp->port = port; + + sprintf(card->shortname, "Digigram %s", card->driver); + sprintf(card->longname, "%s at 0x%x, irq %i", + card->shortname, port, irq); + + chip->irq = irq; + + if ((err = snd_vx_setup_firmware(chip)) < 0) + return err; + + return 0; +} + + +/* + * configuration callback + */ + +static int vxpocket_config(struct pcmcia_device *link) +{ + struct vx_core *chip = link->priv; + int ret; + + snd_printdd(KERN_DEBUG "vxpocket_config called\n"); + + /* redefine hardware record according to the VERSION1 string */ + if (!strcmp(link->prod_id[1], "VX-POCKET")) { + snd_printdd("VX-pocket is detected\n"); + } else { + snd_printdd("VX-pocket 440 is detected\n"); + /* overwrite the hardware information */ + chip->hw = &vxp440_hw; + chip->type = vxp440_hw.type; + strcpy(chip->card->driver, vxp440_hw.name); + } + + ret = pcmcia_request_io(link); + if (ret) + goto failed; + + ret = pcmcia_request_irq(link, snd_vx_irq_handler); + if (ret) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + chip->dev = &link->dev; + snd_card_set_dev(chip->card, chip->dev); + + if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, + link->irq) < 0) + goto failed; + + return 0; + +failed: + pcmcia_disable_device(link); + return -ENODEV; +} + +#ifdef CONFIG_PM + +static int vxp_suspend(struct pcmcia_device *link) +{ + struct vx_core *chip = link->priv; + + snd_printdd(KERN_DEBUG "SUSPEND\n"); + if (chip) { + snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); + snd_vx_suspend(chip, PMSG_SUSPEND); + } + + return 0; +} + +static int vxp_resume(struct pcmcia_device *link) +{ + struct vx_core *chip = link->priv; + + snd_printdd(KERN_DEBUG "RESUME\n"); + if (pcmcia_dev_present(link)) { + //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; + if (chip) { + snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); + snd_vx_resume(chip); + } + } + snd_printdd(KERN_DEBUG "resume done!\n"); + + return 0; +} + +#endif + + +/* + */ +static int vxpocket_probe(struct pcmcia_device *p_dev) +{ + struct snd_card *card; + struct snd_vxpocket *vxp; + int i, err; + + /* find an empty slot from the card list */ + for (i = 0; i < SNDRV_CARDS; i++) { + if (!(card_alloc & (1 << i))) + break; + } + if (i >= SNDRV_CARDS) { + snd_printk(KERN_ERR "vxpocket: too many cards found\n"); + return -EINVAL; + } + if (! enable[i]) + return -ENODEV; /* disabled explicitly */ + + /* ok, create a card instance */ + err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card); + if (err < 0) { + snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); + return err; + } + + err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); + if (err < 0) { + snd_card_free(card); + return err; + } + card->private_data = vxp; + + vxp->index = i; + card_alloc |= 1 << i; + + vxp->p_dev = p_dev; + + return vxpocket_config(p_dev); +} + +static void vxpocket_detach(struct pcmcia_device *link) +{ + struct snd_vxpocket *vxp; + struct vx_core *chip; + + if (! link) + return; + + vxp = link->priv; + chip = (struct vx_core *)vxp; + card_alloc &= ~(1 << vxp->index); + + chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ + snd_card_disconnect(chip->card); + vxpocket_release(link); + snd_card_free_when_closed(chip->card); +} + +/* + * Module entry points + */ + +static const struct pcmcia_device_id vxp_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), + PCMCIA_DEVICE_NULL +}; +MODULE_DEVICE_TABLE(pcmcia, vxp_ids); + +static struct pcmcia_driver vxp_cs_driver = { + .owner = THIS_MODULE, + .name = "snd-vxpocket", + .probe = vxpocket_probe, + .remove = vxpocket_detach, + .id_table = vxp_ids, +#ifdef CONFIG_PM + .suspend = vxp_suspend, + .resume = vxp_resume, +#endif +}; + +static int __init init_vxpocket(void) +{ + return pcmcia_register_driver(&vxp_cs_driver); +} + +static void __exit exit_vxpocket(void) +{ + pcmcia_unregister_driver(&vxp_cs_driver); +} + +module_init(init_vxpocket); +module_exit(exit_vxpocket); 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