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![Markus Elfring](/assets/img/avatar_default.png)
The iounmap() function performs also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Takashi Iwai <tiwai@suse.de>
775 lines
20 KiB
C
775 lines
20 KiB
C
/*
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* Support for Digigram Lola PCI-e boards
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*
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* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/dma-mapping.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include <sound/initval.h>
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#include "lola.h"
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/* Standard options */
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for Digigram Lola driver.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for Digigram Lola driver.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable Digigram Lola driver.");
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/* Lola-specific options */
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/* for instance use always max granularity which is compatible
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* with all sample rates
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*/
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static int granularity[SNDRV_CARDS] = {
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[0 ... (SNDRV_CARDS - 1)] = LOLA_GRANULARITY_MAX
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};
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/* below a sample_rate of 16kHz the analogue audio quality is NOT excellent */
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static int sample_rate_min[SNDRV_CARDS] = {
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[0 ... (SNDRV_CARDS - 1) ] = 16000
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};
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module_param_array(granularity, int, NULL, 0444);
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MODULE_PARM_DESC(granularity, "Granularity value");
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module_param_array(sample_rate_min, int, NULL, 0444);
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MODULE_PARM_DESC(sample_rate_min, "Minimal sample rate");
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/*
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*/
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Digigram, Lola}}");
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MODULE_DESCRIPTION("Digigram Lola driver");
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MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
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#ifdef CONFIG_SND_DEBUG_VERBOSE
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static int debug;
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module_param(debug, int, 0644);
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#define verbose_debug(fmt, args...) \
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do { if (debug > 1) pr_debug(SFX fmt, ##args); } while (0)
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#else
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#define verbose_debug(fmt, args...)
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#endif
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/*
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* pseudo-codec read/write via CORB/RIRB
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*/
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static int corb_send_verb(struct lola *chip, unsigned int nid,
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unsigned int verb, unsigned int data,
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unsigned int extdata)
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{
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unsigned long flags;
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int ret = -EIO;
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chip->last_cmd_nid = nid;
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chip->last_verb = verb;
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chip->last_data = data;
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chip->last_extdata = extdata;
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data |= (nid << 20) | (verb << 8);
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spin_lock_irqsave(&chip->reg_lock, flags);
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if (chip->rirb.cmds < LOLA_CORB_ENTRIES - 1) {
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unsigned int wp = chip->corb.wp + 1;
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wp %= LOLA_CORB_ENTRIES;
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chip->corb.wp = wp;
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chip->corb.buf[wp * 2] = cpu_to_le32(data);
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chip->corb.buf[wp * 2 + 1] = cpu_to_le32(extdata);
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lola_writew(chip, BAR0, CORBWP, wp);
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chip->rirb.cmds++;
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smp_wmb();
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ret = 0;
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}
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spin_unlock_irqrestore(&chip->reg_lock, flags);
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return ret;
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}
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static void lola_queue_unsol_event(struct lola *chip, unsigned int res,
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unsigned int res_ex)
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{
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lola_update_ext_clock_freq(chip, res);
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}
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/* retrieve RIRB entry - called from interrupt handler */
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static void lola_update_rirb(struct lola *chip)
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{
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unsigned int rp, wp;
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u32 res, res_ex;
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wp = lola_readw(chip, BAR0, RIRBWP);
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if (wp == chip->rirb.wp)
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return;
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chip->rirb.wp = wp;
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while (chip->rirb.rp != wp) {
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chip->rirb.rp++;
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chip->rirb.rp %= LOLA_CORB_ENTRIES;
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rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
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res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
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res = le32_to_cpu(chip->rirb.buf[rp]);
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if (res_ex & LOLA_RIRB_EX_UNSOL_EV)
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lola_queue_unsol_event(chip, res, res_ex);
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else if (chip->rirb.cmds) {
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chip->res = res;
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chip->res_ex = res_ex;
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smp_wmb();
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chip->rirb.cmds--;
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}
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}
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}
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static int rirb_get_response(struct lola *chip, unsigned int *val,
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unsigned int *extval)
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{
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unsigned long timeout;
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again:
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timeout = jiffies + msecs_to_jiffies(1000);
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for (;;) {
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if (chip->polling_mode) {
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spin_lock_irq(&chip->reg_lock);
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lola_update_rirb(chip);
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spin_unlock_irq(&chip->reg_lock);
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}
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if (!chip->rirb.cmds) {
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*val = chip->res;
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if (extval)
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*extval = chip->res_ex;
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verbose_debug("get_response: %x, %x\n",
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chip->res, chip->res_ex);
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if (chip->res_ex & LOLA_RIRB_EX_ERROR) {
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dev_warn(chip->card->dev, "RIRB ERROR: "
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"NID=%x, verb=%x, data=%x, ext=%x\n",
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chip->last_cmd_nid,
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chip->last_verb, chip->last_data,
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chip->last_extdata);
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return -EIO;
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}
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return 0;
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}
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if (time_after(jiffies, timeout))
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break;
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udelay(20);
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cond_resched();
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}
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dev_warn(chip->card->dev, "RIRB response error\n");
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if (!chip->polling_mode) {
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dev_warn(chip->card->dev, "switching to polling mode\n");
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chip->polling_mode = 1;
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goto again;
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}
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return -EIO;
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}
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/* aynchronous write of a codec verb with data */
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int lola_codec_write(struct lola *chip, unsigned int nid, unsigned int verb,
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unsigned int data, unsigned int extdata)
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{
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verbose_debug("codec_write NID=%x, verb=%x, data=%x, ext=%x\n",
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nid, verb, data, extdata);
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return corb_send_verb(chip, nid, verb, data, extdata);
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}
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/* write a codec verb with data and read the returned status */
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int lola_codec_read(struct lola *chip, unsigned int nid, unsigned int verb,
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unsigned int data, unsigned int extdata,
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unsigned int *val, unsigned int *extval)
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{
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int err;
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verbose_debug("codec_read NID=%x, verb=%x, data=%x, ext=%x\n",
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nid, verb, data, extdata);
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err = corb_send_verb(chip, nid, verb, data, extdata);
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if (err < 0)
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return err;
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err = rirb_get_response(chip, val, extval);
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return err;
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}
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/* flush all pending codec writes */
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int lola_codec_flush(struct lola *chip)
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{
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unsigned int tmp;
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return rirb_get_response(chip, &tmp, NULL);
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}
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/*
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* interrupt handler
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*/
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static irqreturn_t lola_interrupt(int irq, void *dev_id)
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{
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struct lola *chip = dev_id;
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unsigned int notify_ins, notify_outs, error_ins, error_outs;
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int handled = 0;
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int i;
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notify_ins = notify_outs = error_ins = error_outs = 0;
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spin_lock(&chip->reg_lock);
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for (;;) {
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unsigned int status, in_sts, out_sts;
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unsigned int reg;
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status = lola_readl(chip, BAR1, DINTSTS);
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if (!status || status == -1)
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break;
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in_sts = lola_readl(chip, BAR1, DIINTSTS);
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out_sts = lola_readl(chip, BAR1, DOINTSTS);
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/* clear Input Interrupts */
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for (i = 0; in_sts && i < chip->pcm[CAPT].num_streams; i++) {
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if (!(in_sts & (1 << i)))
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continue;
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in_sts &= ~(1 << i);
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reg = lola_dsd_read(chip, i, STS);
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if (reg & LOLA_DSD_STS_DESE) /* error */
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error_ins |= (1 << i);
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if (reg & LOLA_DSD_STS_BCIS) /* notify */
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notify_ins |= (1 << i);
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/* clear */
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lola_dsd_write(chip, i, STS, reg);
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}
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/* clear Output Interrupts */
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for (i = 0; out_sts && i < chip->pcm[PLAY].num_streams; i++) {
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if (!(out_sts & (1 << i)))
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continue;
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out_sts &= ~(1 << i);
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reg = lola_dsd_read(chip, i + MAX_STREAM_IN_COUNT, STS);
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if (reg & LOLA_DSD_STS_DESE) /* error */
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error_outs |= (1 << i);
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if (reg & LOLA_DSD_STS_BCIS) /* notify */
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notify_outs |= (1 << i);
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lola_dsd_write(chip, i + MAX_STREAM_IN_COUNT, STS, reg);
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}
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if (status & LOLA_DINT_CTRL) {
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unsigned char rbsts; /* ring status is byte access */
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rbsts = lola_readb(chip, BAR0, RIRBSTS);
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rbsts &= LOLA_RIRB_INT_MASK;
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if (rbsts)
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lola_writeb(chip, BAR0, RIRBSTS, rbsts);
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rbsts = lola_readb(chip, BAR0, CORBSTS);
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rbsts &= LOLA_CORB_INT_MASK;
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if (rbsts)
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lola_writeb(chip, BAR0, CORBSTS, rbsts);
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lola_update_rirb(chip);
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}
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if (status & (LOLA_DINT_FIFOERR | LOLA_DINT_MUERR)) {
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/* clear global fifo error interrupt */
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lola_writel(chip, BAR1, DINTSTS,
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(status & (LOLA_DINT_FIFOERR | LOLA_DINT_MUERR)));
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}
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handled = 1;
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}
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spin_unlock(&chip->reg_lock);
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lola_pcm_update(chip, &chip->pcm[CAPT], notify_ins);
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lola_pcm_update(chip, &chip->pcm[PLAY], notify_outs);
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return IRQ_RETVAL(handled);
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}
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/*
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* controller
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*/
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static int reset_controller(struct lola *chip)
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{
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unsigned int gctl = lola_readl(chip, BAR0, GCTL);
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unsigned long end_time;
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if (gctl) {
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/* to be sure */
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lola_writel(chip, BAR1, BOARD_MODE, 0);
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return 0;
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}
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chip->cold_reset = 1;
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lola_writel(chip, BAR0, GCTL, LOLA_GCTL_RESET);
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end_time = jiffies + msecs_to_jiffies(200);
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do {
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msleep(1);
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gctl = lola_readl(chip, BAR0, GCTL);
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if (gctl)
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break;
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} while (time_before(jiffies, end_time));
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if (!gctl) {
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dev_err(chip->card->dev, "cannot reset controller\n");
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return -EIO;
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}
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return 0;
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}
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static void lola_irq_enable(struct lola *chip)
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{
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unsigned int val;
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/* enalbe all I/O streams */
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val = (1 << chip->pcm[PLAY].num_streams) - 1;
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lola_writel(chip, BAR1, DOINTCTL, val);
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val = (1 << chip->pcm[CAPT].num_streams) - 1;
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lola_writel(chip, BAR1, DIINTCTL, val);
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/* enable global irqs */
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val = LOLA_DINT_GLOBAL | LOLA_DINT_CTRL | LOLA_DINT_FIFOERR |
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LOLA_DINT_MUERR;
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lola_writel(chip, BAR1, DINTCTL, val);
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}
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static void lola_irq_disable(struct lola *chip)
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{
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lola_writel(chip, BAR1, DINTCTL, 0);
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lola_writel(chip, BAR1, DIINTCTL, 0);
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lola_writel(chip, BAR1, DOINTCTL, 0);
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}
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static int setup_corb_rirb(struct lola *chip)
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{
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int err;
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unsigned char tmp;
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unsigned long end_time;
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err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
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snd_dma_pci_data(chip->pci),
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PAGE_SIZE, &chip->rb);
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if (err < 0)
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return err;
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chip->corb.addr = chip->rb.addr;
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chip->corb.buf = (u32 *)chip->rb.area;
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chip->rirb.addr = chip->rb.addr + 2048;
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chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
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/* disable ringbuffer DMAs */
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lola_writeb(chip, BAR0, RIRBCTL, 0);
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lola_writeb(chip, BAR0, CORBCTL, 0);
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end_time = jiffies + msecs_to_jiffies(200);
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do {
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if (!lola_readb(chip, BAR0, RIRBCTL) &&
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!lola_readb(chip, BAR0, CORBCTL))
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break;
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msleep(1);
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} while (time_before(jiffies, end_time));
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/* CORB set up */
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lola_writel(chip, BAR0, CORBLBASE, (u32)chip->corb.addr);
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lola_writel(chip, BAR0, CORBUBASE, upper_32_bits(chip->corb.addr));
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/* set the corb size to 256 entries */
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lola_writeb(chip, BAR0, CORBSIZE, 0x02);
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/* set the corb write pointer to 0 */
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lola_writew(chip, BAR0, CORBWP, 0);
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/* reset the corb hw read pointer */
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lola_writew(chip, BAR0, CORBRP, LOLA_RBRWP_CLR);
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/* enable corb dma */
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lola_writeb(chip, BAR0, CORBCTL, LOLA_RBCTL_DMA_EN);
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/* clear flags if set */
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tmp = lola_readb(chip, BAR0, CORBSTS) & LOLA_CORB_INT_MASK;
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if (tmp)
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lola_writeb(chip, BAR0, CORBSTS, tmp);
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chip->corb.wp = 0;
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/* RIRB set up */
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lola_writel(chip, BAR0, RIRBLBASE, (u32)chip->rirb.addr);
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lola_writel(chip, BAR0, RIRBUBASE, upper_32_bits(chip->rirb.addr));
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/* set the rirb size to 256 entries */
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lola_writeb(chip, BAR0, RIRBSIZE, 0x02);
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/* reset the rirb hw write pointer */
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lola_writew(chip, BAR0, RIRBWP, LOLA_RBRWP_CLR);
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/* set N=1, get RIRB response interrupt for new entry */
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lola_writew(chip, BAR0, RINTCNT, 1);
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/* enable rirb dma and response irq */
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lola_writeb(chip, BAR0, RIRBCTL, LOLA_RBCTL_DMA_EN | LOLA_RBCTL_IRQ_EN);
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/* clear flags if set */
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tmp = lola_readb(chip, BAR0, RIRBSTS) & LOLA_RIRB_INT_MASK;
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if (tmp)
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lola_writeb(chip, BAR0, RIRBSTS, tmp);
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chip->rirb.rp = chip->rirb.cmds = 0;
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return 0;
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}
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static void stop_corb_rirb(struct lola *chip)
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{
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/* disable ringbuffer DMAs */
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lola_writeb(chip, BAR0, RIRBCTL, 0);
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lola_writeb(chip, BAR0, CORBCTL, 0);
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}
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static void lola_reset_setups(struct lola *chip)
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{
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/* update the granularity */
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lola_set_granularity(chip, chip->granularity, true);
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/* update the sample clock */
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lola_set_clock_index(chip, chip->clock.cur_index);
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/* enable unsolicited events of the clock widget */
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lola_enable_clock_events(chip);
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/* update the analog gains */
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lola_setup_all_analog_gains(chip, CAPT, false); /* input, update */
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/* update SRC configuration if applicable */
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lola_set_src_config(chip, chip->input_src_mask, false);
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/* update the analog outputs */
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lola_setup_all_analog_gains(chip, PLAY, false); /* output, update */
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}
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static int lola_parse_tree(struct lola *chip)
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{
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unsigned int val;
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int nid, err;
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err = lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
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if (err < 0) {
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dev_err(chip->card->dev, "Can't read VENDOR_ID\n");
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return err;
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}
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val >>= 16;
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if (val != 0x1369) {
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dev_err(chip->card->dev, "Unknown codec vendor 0x%x\n", val);
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return -EINVAL;
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}
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err = lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
|
|
if (err < 0) {
|
|
dev_err(chip->card->dev, "Can't read FUNCTION_TYPE\n");
|
|
return err;
|
|
}
|
|
if (val != 1) {
|
|
dev_err(chip->card->dev, "Unknown function type %d\n", val);
|
|
return -EINVAL;
|
|
}
|
|
|
|
err = lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
|
|
if (err < 0) {
|
|
dev_err(chip->card->dev, "Can't read SPECCAPS\n");
|
|
return err;
|
|
}
|
|
chip->lola_caps = val;
|
|
chip->pin[CAPT].num_pins = LOLA_AFG_INPUT_PIN_COUNT(chip->lola_caps);
|
|
chip->pin[PLAY].num_pins = LOLA_AFG_OUTPUT_PIN_COUNT(chip->lola_caps);
|
|
dev_dbg(chip->card->dev, "speccaps=0x%x, pins in=%d, out=%d\n",
|
|
chip->lola_caps,
|
|
chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
|
|
|
|
if (chip->pin[CAPT].num_pins > MAX_AUDIO_INOUT_COUNT ||
|
|
chip->pin[PLAY].num_pins > MAX_AUDIO_INOUT_COUNT) {
|
|
dev_err(chip->card->dev, "Invalid Lola-spec caps 0x%x\n", val);
|
|
return -EINVAL;
|
|
}
|
|
|
|
nid = 0x02;
|
|
err = lola_init_pcm(chip, CAPT, &nid);
|
|
if (err < 0)
|
|
return err;
|
|
err = lola_init_pcm(chip, PLAY, &nid);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = lola_init_pins(chip, CAPT, &nid);
|
|
if (err < 0)
|
|
return err;
|
|
err = lola_init_pins(chip, PLAY, &nid);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
|
|
err = lola_init_clock_widget(chip, nid);
|
|
if (err < 0)
|
|
return err;
|
|
nid++;
|
|
}
|
|
if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
|
|
err = lola_init_mixer_widget(chip, nid);
|
|
if (err < 0)
|
|
return err;
|
|
nid++;
|
|
}
|
|
|
|
/* enable unsolicited events of the clock widget */
|
|
err = lola_enable_clock_events(chip);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* if last ResetController was not a ColdReset, we don't know
|
|
* the state of the card; initialize here again
|
|
*/
|
|
if (!chip->cold_reset) {
|
|
lola_reset_setups(chip);
|
|
chip->cold_reset = 1;
|
|
} else {
|
|
/* set the granularity if it is not the default */
|
|
if (chip->granularity != LOLA_GRANULARITY_MIN)
|
|
lola_set_granularity(chip, chip->granularity, true);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void lola_stop_hw(struct lola *chip)
|
|
{
|
|
stop_corb_rirb(chip);
|
|
lola_irq_disable(chip);
|
|
}
|
|
|
|
static void lola_free(struct lola *chip)
|
|
{
|
|
if (chip->initialized)
|
|
lola_stop_hw(chip);
|
|
lola_free_pcm(chip);
|
|
lola_free_mixer(chip);
|
|
if (chip->irq >= 0)
|
|
free_irq(chip->irq, (void *)chip);
|
|
iounmap(chip->bar[0].remap_addr);
|
|
iounmap(chip->bar[1].remap_addr);
|
|
if (chip->rb.area)
|
|
snd_dma_free_pages(&chip->rb);
|
|
pci_release_regions(chip->pci);
|
|
pci_disable_device(chip->pci);
|
|
kfree(chip);
|
|
}
|
|
|
|
static int lola_dev_free(struct snd_device *device)
|
|
{
|
|
lola_free(device->device_data);
|
|
return 0;
|
|
}
|
|
|
|
static int lola_create(struct snd_card *card, struct pci_dev *pci,
|
|
int dev, struct lola **rchip)
|
|
{
|
|
struct lola *chip;
|
|
int err;
|
|
unsigned int dever;
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = lola_dev_free,
|
|
};
|
|
|
|
*rchip = NULL;
|
|
|
|
err = pci_enable_device(pci);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
|
if (!chip) {
|
|
pci_disable_device(pci);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
spin_lock_init(&chip->reg_lock);
|
|
mutex_init(&chip->open_mutex);
|
|
chip->card = card;
|
|
chip->pci = pci;
|
|
chip->irq = -1;
|
|
|
|
chip->granularity = granularity[dev];
|
|
switch (chip->granularity) {
|
|
case 8:
|
|
chip->sample_rate_max = 48000;
|
|
break;
|
|
case 16:
|
|
chip->sample_rate_max = 96000;
|
|
break;
|
|
case 32:
|
|
chip->sample_rate_max = 192000;
|
|
break;
|
|
default:
|
|
dev_warn(chip->card->dev,
|
|
"Invalid granularity %d, reset to %d\n",
|
|
chip->granularity, LOLA_GRANULARITY_MAX);
|
|
chip->granularity = LOLA_GRANULARITY_MAX;
|
|
chip->sample_rate_max = 192000;
|
|
break;
|
|
}
|
|
chip->sample_rate_min = sample_rate_min[dev];
|
|
if (chip->sample_rate_min > chip->sample_rate_max) {
|
|
dev_warn(chip->card->dev,
|
|
"Invalid sample_rate_min %d, reset to 16000\n",
|
|
chip->sample_rate_min);
|
|
chip->sample_rate_min = 16000;
|
|
}
|
|
|
|
err = pci_request_regions(pci, DRVNAME);
|
|
if (err < 0) {
|
|
kfree(chip);
|
|
pci_disable_device(pci);
|
|
return err;
|
|
}
|
|
|
|
chip->bar[0].addr = pci_resource_start(pci, 0);
|
|
chip->bar[0].remap_addr = pci_ioremap_bar(pci, 0);
|
|
chip->bar[1].addr = pci_resource_start(pci, 2);
|
|
chip->bar[1].remap_addr = pci_ioremap_bar(pci, 2);
|
|
if (!chip->bar[0].remap_addr || !chip->bar[1].remap_addr) {
|
|
dev_err(chip->card->dev, "ioremap error\n");
|
|
err = -ENXIO;
|
|
goto errout;
|
|
}
|
|
|
|
pci_set_master(pci);
|
|
|
|
err = reset_controller(chip);
|
|
if (err < 0)
|
|
goto errout;
|
|
|
|
if (request_irq(pci->irq, lola_interrupt, IRQF_SHARED,
|
|
KBUILD_MODNAME, chip)) {
|
|
dev_err(chip->card->dev, "unable to grab IRQ %d\n", pci->irq);
|
|
err = -EBUSY;
|
|
goto errout;
|
|
}
|
|
chip->irq = pci->irq;
|
|
synchronize_irq(chip->irq);
|
|
|
|
dever = lola_readl(chip, BAR1, DEVER);
|
|
chip->pcm[CAPT].num_streams = (dever >> 0) & 0x3ff;
|
|
chip->pcm[PLAY].num_streams = (dever >> 10) & 0x3ff;
|
|
chip->version = (dever >> 24) & 0xff;
|
|
dev_dbg(chip->card->dev, "streams in=%d, out=%d, version=0x%x\n",
|
|
chip->pcm[CAPT].num_streams, chip->pcm[PLAY].num_streams,
|
|
chip->version);
|
|
|
|
/* Test LOLA_BAR1_DEVER */
|
|
if (chip->pcm[CAPT].num_streams > MAX_STREAM_IN_COUNT ||
|
|
chip->pcm[PLAY].num_streams > MAX_STREAM_OUT_COUNT ||
|
|
(!chip->pcm[CAPT].num_streams &&
|
|
!chip->pcm[PLAY].num_streams)) {
|
|
dev_err(chip->card->dev, "invalid DEVER = %x\n", dever);
|
|
err = -EINVAL;
|
|
goto errout;
|
|
}
|
|
|
|
err = setup_corb_rirb(chip);
|
|
if (err < 0)
|
|
goto errout;
|
|
|
|
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
|
|
if (err < 0) {
|
|
dev_err(chip->card->dev, "Error creating device [card]!\n");
|
|
goto errout;
|
|
}
|
|
|
|
strcpy(card->driver, "Lola");
|
|
strlcpy(card->shortname, "Digigram Lola", sizeof(card->shortname));
|
|
snprintf(card->longname, sizeof(card->longname),
|
|
"%s at 0x%lx irq %i",
|
|
card->shortname, chip->bar[0].addr, chip->irq);
|
|
strcpy(card->mixername, card->shortname);
|
|
|
|
lola_irq_enable(chip);
|
|
|
|
chip->initialized = 1;
|
|
*rchip = chip;
|
|
return 0;
|
|
|
|
errout:
|
|
lola_free(chip);
|
|
return err;
|
|
}
|
|
|
|
static int lola_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
static int dev;
|
|
struct snd_card *card;
|
|
struct lola *chip;
|
|
int err;
|
|
|
|
if (dev >= SNDRV_CARDS)
|
|
return -ENODEV;
|
|
if (!enable[dev]) {
|
|
dev++;
|
|
return -ENOENT;
|
|
}
|
|
|
|
err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
|
|
0, &card);
|
|
if (err < 0) {
|
|
dev_err(&pci->dev, "Error creating card!\n");
|
|
return err;
|
|
}
|
|
|
|
err = lola_create(card, pci, dev, &chip);
|
|
if (err < 0)
|
|
goto out_free;
|
|
card->private_data = chip;
|
|
|
|
err = lola_parse_tree(chip);
|
|
if (err < 0)
|
|
goto out_free;
|
|
|
|
err = lola_create_pcm(chip);
|
|
if (err < 0)
|
|
goto out_free;
|
|
|
|
err = lola_create_mixer(chip);
|
|
if (err < 0)
|
|
goto out_free;
|
|
|
|
lola_proc_debug_new(chip);
|
|
|
|
err = snd_card_register(card);
|
|
if (err < 0)
|
|
goto out_free;
|
|
|
|
pci_set_drvdata(pci, card);
|
|
dev++;
|
|
return err;
|
|
out_free:
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
static void lola_remove(struct pci_dev *pci)
|
|
{
|
|
snd_card_free(pci_get_drvdata(pci));
|
|
}
|
|
|
|
/* PCI IDs */
|
|
static const struct pci_device_id lola_ids[] = {
|
|
{ PCI_VDEVICE(DIGIGRAM, 0x0001) },
|
|
{ 0, }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, lola_ids);
|
|
|
|
/* pci_driver definition */
|
|
static struct pci_driver lola_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = lola_ids,
|
|
.probe = lola_probe,
|
|
.remove = lola_remove,
|
|
};
|
|
|
|
module_pci_driver(lola_driver);
|