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![Colin Ian King](/assets/img/avatar_default.png)
Currently the { } braces are missing around an if block causing subsequent
code after the return to become unreachable. Fix this by adding the
missing { }.
Addresses-Coverity: ("Structurally dead code")
Fixes: 2973ee4a5b
("ALSA: opti9xx: Allocate resources with device-managed APIs")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210720153741.73230-1-colin.king@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1171 lines
29 KiB
C
1171 lines
29 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
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Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
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Part of this code was developed at the Italian Ministry of Air Defence,
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Sixth Division (oh, che pace ...), Rome.
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Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
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*/
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/isa.h>
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#include <linux/delay.h>
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#include <linux/pnp.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <asm/dma.h>
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#include <sound/core.h>
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#include <sound/tlv.h>
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#include <sound/wss.h>
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#include <sound/mpu401.h>
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#include <sound/opl3.h>
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#ifndef OPTi93X
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#include <sound/opl4.h>
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#endif
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#define SNDRV_LEGACY_FIND_FREE_IOPORT
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#define SNDRV_LEGACY_FIND_FREE_IRQ
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#define SNDRV_LEGACY_FIND_FREE_DMA
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#include <sound/initval.h>
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MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
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MODULE_LICENSE("GPL");
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#ifdef OPTi93X
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MODULE_DESCRIPTION("OPTi93X");
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#else /* OPTi93X */
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#ifdef CS4231
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MODULE_DESCRIPTION("OPTi92X - CS4231");
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#else /* CS4231 */
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MODULE_DESCRIPTION("OPTi92X - AD1848");
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#endif /* CS4231 */
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#endif /* OPTi93X */
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static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
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static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
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//static bool enable = SNDRV_DEFAULT_ENABLE1; /* Enable this card */
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#ifdef CONFIG_PNP
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static bool isapnp = true; /* Enable ISA PnP detection */
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#endif
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static long port = SNDRV_DEFAULT_PORT1; /* 0x530,0xe80,0xf40,0x604 */
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static long mpu_port = SNDRV_DEFAULT_PORT1; /* 0x300,0x310,0x320,0x330 */
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static long fm_port = SNDRV_DEFAULT_PORT1; /* 0x388 */
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static int irq = SNDRV_DEFAULT_IRQ1; /* 5,7,9,10,11 */
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static int mpu_irq = SNDRV_DEFAULT_IRQ1; /* 5,7,9,10 */
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static int dma1 = SNDRV_DEFAULT_DMA1; /* 0,1,3 */
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#if defined(CS4231) || defined(OPTi93X)
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static int dma2 = SNDRV_DEFAULT_DMA1; /* 0,1,3 */
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#endif /* CS4231 || OPTi93X */
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module_param(index, int, 0444);
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MODULE_PARM_DESC(index, "Index value for opti9xx based soundcard.");
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module_param(id, charp, 0444);
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MODULE_PARM_DESC(id, "ID string for opti9xx based soundcard.");
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//module_param(enable, bool, 0444);
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//MODULE_PARM_DESC(enable, "Enable opti9xx soundcard.");
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#ifdef CONFIG_PNP
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module_param(isapnp, bool, 0444);
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MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
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#endif
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module_param_hw(port, long, ioport, 0444);
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MODULE_PARM_DESC(port, "WSS port # for opti9xx driver.");
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module_param_hw(mpu_port, long, ioport, 0444);
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MODULE_PARM_DESC(mpu_port, "MPU-401 port # for opti9xx driver.");
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module_param_hw(fm_port, long, ioport, 0444);
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MODULE_PARM_DESC(fm_port, "FM port # for opti9xx driver.");
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module_param_hw(irq, int, irq, 0444);
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MODULE_PARM_DESC(irq, "WSS irq # for opti9xx driver.");
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module_param_hw(mpu_irq, int, irq, 0444);
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MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for opti9xx driver.");
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module_param_hw(dma1, int, dma, 0444);
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MODULE_PARM_DESC(dma1, "1st dma # for opti9xx driver.");
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#if defined(CS4231) || defined(OPTi93X)
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module_param_hw(dma2, int, dma, 0444);
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MODULE_PARM_DESC(dma2, "2nd dma # for opti9xx driver.");
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#endif /* CS4231 || OPTi93X */
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#define OPTi9XX_HW_82C928 1
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#define OPTi9XX_HW_82C929 2
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#define OPTi9XX_HW_82C924 3
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#define OPTi9XX_HW_82C925 4
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#define OPTi9XX_HW_82C930 5
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#define OPTi9XX_HW_82C931 6
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#define OPTi9XX_HW_82C933 7
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#define OPTi9XX_HW_LAST OPTi9XX_HW_82C933
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#define OPTi9XX_MC_REG(n) n
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#ifdef OPTi93X
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#define OPTi93X_STATUS 0x02
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#define OPTi93X_PORT(chip, r) ((chip)->port + OPTi93X_##r)
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#define OPTi93X_IRQ_PLAYBACK 0x04
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#define OPTi93X_IRQ_CAPTURE 0x08
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#endif /* OPTi93X */
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struct snd_opti9xx {
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unsigned short hardware;
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unsigned char password;
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char name[7];
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unsigned long mc_base;
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struct resource *res_mc_base;
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unsigned long mc_base_size;
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#ifdef OPTi93X
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unsigned long mc_indir_index;
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struct resource *res_mc_indir;
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#endif /* OPTi93X */
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struct snd_wss *codec;
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unsigned long pwd_reg;
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spinlock_t lock;
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long wss_base;
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int irq;
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};
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static int snd_opti9xx_pnp_is_probed;
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#ifdef CONFIG_PNP
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static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
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#ifndef OPTi93X
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/* OPTi 82C924 */
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{ .id = "OPT0924",
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.devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
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.driver_data = 0x0924 },
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/* OPTi 82C925 */
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{ .id = "OPT0925",
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.devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
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.driver_data = 0x0925 },
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#else
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/* OPTi 82C931/3 */
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{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
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.driver_data = 0x0931 },
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#endif /* OPTi93X */
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{ .id = "" }
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};
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MODULE_DEVICE_TABLE(pnp_card, snd_opti9xx_pnpids);
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#endif /* CONFIG_PNP */
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#define DEV_NAME KBUILD_MODNAME
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static const char * const snd_opti9xx_names[] = {
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"unknown",
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"82C928", "82C929",
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"82C924", "82C925",
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"82C930", "82C931", "82C933"
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};
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static int snd_opti9xx_init(struct snd_opti9xx *chip,
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unsigned short hardware)
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{
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static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
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chip->hardware = hardware;
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strcpy(chip->name, snd_opti9xx_names[hardware]);
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spin_lock_init(&chip->lock);
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chip->irq = -1;
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#ifndef OPTi93X
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#ifdef CONFIG_PNP
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if (isapnp && chip->mc_base)
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/* PnP resource gives the least 10 bits */
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chip->mc_base |= 0xc00;
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else
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#endif /* CONFIG_PNP */
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{
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chip->mc_base = 0xf8c;
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chip->mc_base_size = opti9xx_mc_size[hardware];
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}
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#else
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chip->mc_base_size = opti9xx_mc_size[hardware];
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#endif
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switch (hardware) {
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#ifndef OPTi93X
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case OPTi9XX_HW_82C928:
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case OPTi9XX_HW_82C929:
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chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
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chip->pwd_reg = 3;
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break;
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case OPTi9XX_HW_82C924:
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case OPTi9XX_HW_82C925:
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chip->password = 0xe5;
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chip->pwd_reg = 3;
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break;
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#else /* OPTi93X */
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case OPTi9XX_HW_82C930:
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case OPTi9XX_HW_82C931:
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case OPTi9XX_HW_82C933:
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chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
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if (!chip->mc_indir_index)
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chip->mc_indir_index = 0xe0e;
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chip->password = 0xe4;
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chip->pwd_reg = 0;
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break;
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#endif /* OPTi93X */
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default:
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snd_printk(KERN_ERR "chip %d not supported\n", hardware);
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return -ENODEV;
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}
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return 0;
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}
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static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
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unsigned char reg)
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{
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unsigned long flags;
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unsigned char retval = 0xff;
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spin_lock_irqsave(&chip->lock, flags);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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switch (chip->hardware) {
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#ifndef OPTi93X
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case OPTi9XX_HW_82C924:
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case OPTi9XX_HW_82C925:
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if (reg > 7) {
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outb(reg, chip->mc_base + 8);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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retval = inb(chip->mc_base + 9);
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break;
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}
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fallthrough;
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case OPTi9XX_HW_82C928:
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case OPTi9XX_HW_82C929:
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retval = inb(chip->mc_base + reg);
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break;
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#else /* OPTi93X */
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case OPTi9XX_HW_82C930:
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case OPTi9XX_HW_82C931:
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case OPTi9XX_HW_82C933:
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outb(reg, chip->mc_indir_index);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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retval = inb(chip->mc_indir_index + 1);
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break;
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#endif /* OPTi93X */
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default:
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snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
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}
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spin_unlock_irqrestore(&chip->lock, flags);
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return retval;
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}
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static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
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unsigned char value)
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{
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unsigned long flags;
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spin_lock_irqsave(&chip->lock, flags);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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switch (chip->hardware) {
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#ifndef OPTi93X
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case OPTi9XX_HW_82C924:
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case OPTi9XX_HW_82C925:
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if (reg > 7) {
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outb(reg, chip->mc_base + 8);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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outb(value, chip->mc_base + 9);
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break;
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}
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fallthrough;
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case OPTi9XX_HW_82C928:
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case OPTi9XX_HW_82C929:
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outb(value, chip->mc_base + reg);
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break;
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#else /* OPTi93X */
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case OPTi9XX_HW_82C930:
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case OPTi9XX_HW_82C931:
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case OPTi9XX_HW_82C933:
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outb(reg, chip->mc_indir_index);
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outb(chip->password, chip->mc_base + chip->pwd_reg);
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outb(value, chip->mc_indir_index + 1);
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break;
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#endif /* OPTi93X */
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default:
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snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
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}
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spin_unlock_irqrestore(&chip->lock, flags);
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}
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static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
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unsigned char reg, unsigned char value, unsigned char mask)
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{
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unsigned char oldval = snd_opti9xx_read(chip, reg);
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snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
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}
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static int snd_opti9xx_configure(struct snd_opti9xx *chip,
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long port,
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int irq, int dma1, int dma2,
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long mpu_port, int mpu_irq)
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{
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unsigned char wss_base_bits;
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unsigned char irq_bits;
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unsigned char dma_bits;
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unsigned char mpu_port_bits = 0;
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unsigned char mpu_irq_bits;
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switch (chip->hardware) {
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#ifndef OPTi93X
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case OPTi9XX_HW_82C924:
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/* opti 929 mode (?), OPL3 clock output, audio enable */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
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/* enable wave audio */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
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fallthrough;
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case OPTi9XX_HW_82C925:
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/* enable WSS mode */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
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/* OPL3 FM synthesis */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
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/* disable Sound Blaster IRQ and DMA */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
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#ifdef CS4231
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/* cs4231/4248 fix enabled */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
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#else
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/* cs4231/4248 fix disabled */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
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#endif /* CS4231 */
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break;
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case OPTi9XX_HW_82C928:
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case OPTi9XX_HW_82C929:
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
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/*
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xa2, 0xae);
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*/
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
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#ifdef CS4231
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
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#else
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
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#endif /* CS4231 */
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break;
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#else /* OPTi93X */
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case OPTi9XX_HW_82C931:
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/* disable 3D sound (set GPIO1 as output, low) */
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
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fallthrough;
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case OPTi9XX_HW_82C933:
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/*
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* The BTC 1817DW has QS1000 wavetable which is connected
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* to the serial digital input of the OPTI931.
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*/
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff);
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/*
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* This bit sets OPTI931 to automaticaly select FM
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* or digital input signal.
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*/
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
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fallthrough;
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case OPTi9XX_HW_82C930:
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
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(chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04),
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0x34);
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf);
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break;
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#endif /* OPTi93X */
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default:
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snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
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return -EINVAL;
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}
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/* PnP resource says it decodes only 10 bits of address */
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switch (port & 0x3ff) {
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case 0x130:
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chip->wss_base = 0x530;
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wss_base_bits = 0x00;
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break;
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case 0x204:
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chip->wss_base = 0x604;
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wss_base_bits = 0x03;
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break;
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case 0x280:
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chip->wss_base = 0xe80;
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wss_base_bits = 0x01;
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break;
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case 0x340:
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chip->wss_base = 0xf40;
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wss_base_bits = 0x02;
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break;
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default:
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snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
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goto __skip_base;
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}
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snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
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__skip_base:
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switch (irq) {
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//#ifdef OPTi93X
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case 5:
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irq_bits = 0x05;
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break;
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//#endif /* OPTi93X */
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case 7:
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irq_bits = 0x01;
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break;
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case 9:
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irq_bits = 0x02;
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break;
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case 10:
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irq_bits = 0x03;
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break;
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case 11:
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irq_bits = 0x04;
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break;
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|
default:
|
|
snd_printk(KERN_WARNING "WSS irq # %d not valid\n", irq);
|
|
goto __skip_resources;
|
|
}
|
|
|
|
switch (dma1) {
|
|
case 0:
|
|
dma_bits = 0x01;
|
|
break;
|
|
case 1:
|
|
dma_bits = 0x02;
|
|
break;
|
|
case 3:
|
|
dma_bits = 0x03;
|
|
break;
|
|
default:
|
|
snd_printk(KERN_WARNING "WSS dma1 # %d not valid\n", dma1);
|
|
goto __skip_resources;
|
|
}
|
|
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
if (dma1 == dma2) {
|
|
snd_printk(KERN_ERR "don't want to share dmas\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
switch (dma2) {
|
|
case 0:
|
|
case 1:
|
|
break;
|
|
default:
|
|
snd_printk(KERN_WARNING "WSS dma2 # %d not valid\n", dma2);
|
|
goto __skip_resources;
|
|
}
|
|
dma_bits |= 0x04;
|
|
#endif /* CS4231 || OPTi93X */
|
|
|
|
#ifndef OPTi93X
|
|
outb(irq_bits << 3 | dma_bits, chip->wss_base);
|
|
#else /* OPTi93X */
|
|
snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
|
|
#endif /* OPTi93X */
|
|
|
|
__skip_resources:
|
|
if (chip->hardware > OPTi9XX_HW_82C928) {
|
|
switch (mpu_port) {
|
|
case 0:
|
|
case -1:
|
|
break;
|
|
case 0x300:
|
|
mpu_port_bits = 0x03;
|
|
break;
|
|
case 0x310:
|
|
mpu_port_bits = 0x02;
|
|
break;
|
|
case 0x320:
|
|
mpu_port_bits = 0x01;
|
|
break;
|
|
case 0x330:
|
|
mpu_port_bits = 0x00;
|
|
break;
|
|
default:
|
|
snd_printk(KERN_WARNING
|
|
"MPU-401 port 0x%lx not valid\n", mpu_port);
|
|
goto __skip_mpu;
|
|
}
|
|
|
|
switch (mpu_irq) {
|
|
case 5:
|
|
mpu_irq_bits = 0x02;
|
|
break;
|
|
case 7:
|
|
mpu_irq_bits = 0x03;
|
|
break;
|
|
case 9:
|
|
mpu_irq_bits = 0x00;
|
|
break;
|
|
case 10:
|
|
mpu_irq_bits = 0x01;
|
|
break;
|
|
default:
|
|
snd_printk(KERN_WARNING "MPU-401 irq # %d not valid\n",
|
|
mpu_irq);
|
|
goto __skip_mpu;
|
|
}
|
|
|
|
snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6),
|
|
(mpu_port <= 0) ? 0x00 :
|
|
0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
|
|
0xf8);
|
|
}
|
|
__skip_mpu:
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef OPTi93X
|
|
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_step, -9300, 300, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
|
|
|
|
static const struct snd_kcontrol_new snd_opti93x_controls[] = {
|
|
WSS_DOUBLE("Master Playback Switch", 0,
|
|
OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
|
|
WSS_DOUBLE_TLV("Master Playback Volume", 0,
|
|
OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1,
|
|
db_scale_5bit_3db_step),
|
|
WSS_DOUBLE_TLV("PCM Playback Volume", 0,
|
|
CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1,
|
|
db_scale_5bit),
|
|
WSS_DOUBLE_TLV("FM Playback Volume", 0,
|
|
CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1,
|
|
db_scale_4bit_12db_max),
|
|
WSS_DOUBLE("Line Playback Switch", 0,
|
|
CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
|
|
WSS_DOUBLE_TLV("Line Playback Volume", 0,
|
|
CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1,
|
|
db_scale_4bit_12db_max),
|
|
WSS_DOUBLE("Mic Playback Switch", 0,
|
|
OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1),
|
|
WSS_DOUBLE_TLV("Mic Playback Volume", 0,
|
|
OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1,
|
|
db_scale_4bit_12db_max),
|
|
WSS_DOUBLE_TLV("CD Playback Volume", 0,
|
|
CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1,
|
|
db_scale_4bit_12db_max),
|
|
WSS_DOUBLE("Aux Playback Switch", 0,
|
|
OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1),
|
|
WSS_DOUBLE_TLV("Aux Playback Volume", 0,
|
|
OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1,
|
|
db_scale_4bit_12db_max),
|
|
};
|
|
|
|
static int snd_opti93x_mixer(struct snd_wss *chip)
|
|
{
|
|
struct snd_card *card;
|
|
unsigned int idx;
|
|
struct snd_ctl_elem_id id1, id2;
|
|
int err;
|
|
|
|
if (snd_BUG_ON(!chip || !chip->pcm))
|
|
return -EINVAL;
|
|
|
|
card = chip->card;
|
|
|
|
strcpy(card->mixername, chip->pcm->name);
|
|
|
|
memset(&id1, 0, sizeof(id1));
|
|
memset(&id2, 0, sizeof(id2));
|
|
id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
/* reassign AUX0 switch to CD */
|
|
strcpy(id1.name, "Aux Playback Switch");
|
|
strcpy(id2.name, "CD Playback Switch");
|
|
err = snd_ctl_rename_id(card, &id1, &id2);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "Cannot rename opti93x control\n");
|
|
return err;
|
|
}
|
|
/* reassign AUX1 switch to FM */
|
|
strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
|
|
strcpy(id2.name, "FM Playback Switch");
|
|
err = snd_ctl_rename_id(card, &id1, &id2);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "Cannot rename opti93x control\n");
|
|
return err;
|
|
}
|
|
/* remove AUX1 volume */
|
|
strcpy(id1.name, "Aux Playback Volume"); id1.index = 1;
|
|
snd_ctl_remove_id(card, &id1);
|
|
|
|
/* Replace WSS volume controls with OPTi93x volume controls */
|
|
id1.index = 0;
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) {
|
|
strcpy(id1.name, snd_opti93x_controls[idx].name);
|
|
snd_ctl_remove_id(card, &id1);
|
|
|
|
err = snd_ctl_add(card,
|
|
snd_ctl_new1(&snd_opti93x_controls[idx], chip));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct snd_opti9xx *chip = dev_id;
|
|
struct snd_wss *codec = chip->codec;
|
|
unsigned char status;
|
|
|
|
if (!codec)
|
|
return IRQ_HANDLED;
|
|
|
|
status = snd_opti9xx_read(chip, OPTi9XX_MC_REG(11));
|
|
if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream)
|
|
snd_pcm_period_elapsed(codec->playback_substream);
|
|
if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) {
|
|
snd_wss_overrange(codec);
|
|
snd_pcm_period_elapsed(codec->capture_substream);
|
|
}
|
|
outb(0x00, OPTi93X_PORT(codec, STATUS));
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
#endif /* OPTi93X */
|
|
|
|
static int snd_opti9xx_read_check(struct snd_card *card,
|
|
struct snd_opti9xx *chip)
|
|
{
|
|
unsigned char value;
|
|
#ifdef OPTi93X
|
|
unsigned long flags;
|
|
#endif
|
|
|
|
chip->res_mc_base =
|
|
devm_request_region(card->dev, chip->mc_base,
|
|
chip->mc_base_size, "OPTi9xx MC");
|
|
if (!chip->res_mc_base)
|
|
return -EBUSY;
|
|
#ifndef OPTi93X
|
|
value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
|
|
if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
|
|
if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
|
|
return 0;
|
|
#else /* OPTi93X */
|
|
chip->res_mc_indir =
|
|
devm_request_region(card->dev, chip->mc_indir_index, 2,
|
|
"OPTi93x MC");
|
|
if (!chip->res_mc_indir)
|
|
return -EBUSY;
|
|
|
|
spin_lock_irqsave(&chip->lock, flags);
|
|
outb(chip->password, chip->mc_base + chip->pwd_reg);
|
|
outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
|
|
spin_unlock_irqrestore(&chip->lock, flags);
|
|
|
|
value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
|
|
snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
|
|
if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
|
|
return 0;
|
|
|
|
devm_release_resource(card->dev, chip->res_mc_indir);
|
|
chip->res_mc_indir = NULL;
|
|
#endif /* OPTi93X */
|
|
devm_release_resource(card->dev, chip->res_mc_base);
|
|
chip->res_mc_base = NULL;
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int snd_card_opti9xx_detect(struct snd_card *card,
|
|
struct snd_opti9xx *chip)
|
|
{
|
|
int i, err;
|
|
|
|
#ifndef OPTi93X
|
|
for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
|
|
#else
|
|
for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
|
|
#endif
|
|
err = snd_opti9xx_init(chip, i);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = snd_opti9xx_read_check(card, chip);
|
|
if (err == 0)
|
|
return 1;
|
|
#ifdef OPTi93X
|
|
chip->mc_indir_index = 0;
|
|
#endif
|
|
}
|
|
return -ENODEV;
|
|
}
|
|
|
|
#ifdef CONFIG_PNP
|
|
static int snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
|
|
struct pnp_card_link *card,
|
|
const struct pnp_card_device_id *pid)
|
|
{
|
|
struct pnp_dev *pdev;
|
|
int err;
|
|
struct pnp_dev *devmpu;
|
|
#ifndef OPTi93X
|
|
struct pnp_dev *devmc;
|
|
#endif
|
|
|
|
pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
|
|
if (pdev == NULL)
|
|
return -EBUSY;
|
|
|
|
err = pnp_activate_dev(pdev);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
#ifdef OPTi93X
|
|
port = pnp_port_start(pdev, 0) - 4;
|
|
fm_port = pnp_port_start(pdev, 1) + 8;
|
|
/* adjust mc_indir_index - some cards report it at 0xe?d,
|
|
other at 0xe?c but it really is always at 0xe?e */
|
|
chip->mc_indir_index = (pnp_port_start(pdev, 3) & ~0xf) | 0xe;
|
|
#else
|
|
devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
|
|
if (devmc == NULL)
|
|
return -EBUSY;
|
|
|
|
err = pnp_activate_dev(devmc);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
port = pnp_port_start(pdev, 1);
|
|
fm_port = pnp_port_start(pdev, 2) + 8;
|
|
/*
|
|
* The MC(0) is never accessed and card does not
|
|
* include it in the PnP resource range. OPTI93x include it.
|
|
*/
|
|
chip->mc_base = pnp_port_start(devmc, 0) - 1;
|
|
chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
|
|
#endif /* OPTi93X */
|
|
irq = pnp_irq(pdev, 0);
|
|
dma1 = pnp_dma(pdev, 0);
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
dma2 = pnp_dma(pdev, 1);
|
|
#endif /* CS4231 || OPTi93X */
|
|
|
|
devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
|
|
|
|
if (devmpu && mpu_port > 0) {
|
|
err = pnp_activate_dev(devmpu);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
|
|
mpu_port = -1;
|
|
} else {
|
|
mpu_port = pnp_port_start(devmpu, 0);
|
|
mpu_irq = pnp_irq(devmpu, 0);
|
|
}
|
|
}
|
|
return pid->driver_data;
|
|
}
|
|
#endif /* CONFIG_PNP */
|
|
|
|
static int snd_opti9xx_probe(struct snd_card *card)
|
|
{
|
|
static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
|
|
int error;
|
|
int xdma2;
|
|
struct snd_opti9xx *chip = card->private_data;
|
|
struct snd_wss *codec;
|
|
struct snd_rawmidi *rmidi;
|
|
struct snd_hwdep *synth;
|
|
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
xdma2 = dma2;
|
|
#else
|
|
xdma2 = -1;
|
|
#endif
|
|
|
|
if (port == SNDRV_AUTO_PORT) {
|
|
port = snd_legacy_find_free_ioport(possible_ports, 4);
|
|
if (port < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free WSS port\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
|
|
mpu_port, mpu_irq);
|
|
if (error)
|
|
return error;
|
|
|
|
error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
|
|
#ifdef OPTi93X
|
|
WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
|
|
#else
|
|
WSS_HW_DETECT, 0,
|
|
#endif
|
|
&codec);
|
|
if (error < 0)
|
|
return error;
|
|
chip->codec = codec;
|
|
error = snd_wss_pcm(codec, 0);
|
|
if (error < 0)
|
|
return error;
|
|
error = snd_wss_mixer(codec);
|
|
if (error < 0)
|
|
return error;
|
|
#ifdef OPTi93X
|
|
error = snd_opti93x_mixer(codec);
|
|
if (error < 0)
|
|
return error;
|
|
#endif
|
|
#ifdef CS4231
|
|
error = snd_wss_timer(codec, 0);
|
|
if (error < 0)
|
|
return error;
|
|
#endif
|
|
#ifdef OPTi93X
|
|
error = devm_request_irq(card->dev, irq, snd_opti93x_interrupt,
|
|
0, DEV_NAME" - WSS", chip);
|
|
if (error < 0) {
|
|
snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", irq);
|
|
return error;
|
|
}
|
|
#endif
|
|
chip->irq = irq;
|
|
card->sync_irq = chip->irq;
|
|
strcpy(card->driver, chip->name);
|
|
sprintf(card->shortname, "OPTi %s", card->driver);
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
snprintf(card->longname, sizeof(card->longname),
|
|
"%s, %s at 0x%lx, irq %d, dma %d&%d",
|
|
card->shortname, codec->pcm->name,
|
|
chip->wss_base + 4, irq, dma1, xdma2);
|
|
#else
|
|
snprintf(card->longname, sizeof(card->longname),
|
|
"%s, %s at 0x%lx, irq %d, dma %d",
|
|
card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
|
|
dma1);
|
|
#endif /* CS4231 || OPTi93X */
|
|
|
|
if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
|
|
rmidi = NULL;
|
|
else {
|
|
error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
|
|
mpu_port, 0, mpu_irq, &rmidi);
|
|
if (error)
|
|
snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
|
|
mpu_port);
|
|
}
|
|
|
|
if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
|
|
struct snd_opl3 *opl3 = NULL;
|
|
#ifndef OPTi93X
|
|
if (chip->hardware == OPTi9XX_HW_82C928 ||
|
|
chip->hardware == OPTi9XX_HW_82C929 ||
|
|
chip->hardware == OPTi9XX_HW_82C924) {
|
|
struct snd_opl4 *opl4;
|
|
/* assume we have an OPL4 */
|
|
snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
|
|
0x20, 0x20);
|
|
if (snd_opl4_create(card, fm_port, fm_port - 8,
|
|
2, &opl3, &opl4) < 0) {
|
|
/* no luck, use OPL3 instead */
|
|
snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2),
|
|
0x00, 0x20);
|
|
}
|
|
}
|
|
#endif /* !OPTi93X */
|
|
if (!opl3 && snd_opl3_create(card, fm_port, fm_port + 2,
|
|
OPL3_HW_AUTO, 0, &opl3) < 0) {
|
|
snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
|
|
fm_port, fm_port + 4 - 1);
|
|
}
|
|
if (opl3) {
|
|
error = snd_opl3_hwdep_new(opl3, 0, 1, &synth);
|
|
if (error < 0)
|
|
return error;
|
|
}
|
|
}
|
|
|
|
return snd_card_register(card);
|
|
}
|
|
|
|
static int snd_opti9xx_card_new(struct device *pdev, struct snd_card **cardp)
|
|
{
|
|
struct snd_card *card;
|
|
int err;
|
|
|
|
err = snd_devm_card_new(pdev, index, id, THIS_MODULE,
|
|
sizeof(struct snd_opti9xx), &card);
|
|
if (err < 0)
|
|
return err;
|
|
*cardp = card;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_opti9xx_isa_match(struct device *devptr,
|
|
unsigned int dev)
|
|
{
|
|
#ifdef CONFIG_PNP
|
|
if (snd_opti9xx_pnp_is_probed)
|
|
return 0;
|
|
if (isapnp)
|
|
return 0;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
static int snd_opti9xx_isa_probe(struct device *devptr,
|
|
unsigned int dev)
|
|
{
|
|
struct snd_card *card;
|
|
int error;
|
|
static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
|
|
#ifdef OPTi93X
|
|
static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
|
|
#else
|
|
static const int possible_irqs[] = {9, 10, 11, 7, -1};
|
|
#endif /* OPTi93X */
|
|
static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
|
|
static const int possible_dma1s[] = {3, 1, 0, -1};
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
|
|
#endif /* CS4231 || OPTi93X */
|
|
|
|
if (mpu_port == SNDRV_AUTO_PORT) {
|
|
mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
|
|
if (mpu_port < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
if (irq == SNDRV_AUTO_IRQ) {
|
|
irq = snd_legacy_find_free_irq(possible_irqs);
|
|
if (irq < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free IRQ\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
if (mpu_irq == SNDRV_AUTO_IRQ) {
|
|
mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
|
|
if (mpu_irq < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
if (dma1 == SNDRV_AUTO_DMA) {
|
|
dma1 = snd_legacy_find_free_dma(possible_dma1s);
|
|
if (dma1 < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free DMA1\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
if (dma2 == SNDRV_AUTO_DMA) {
|
|
dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
|
|
if (dma2 < 0) {
|
|
snd_printk(KERN_ERR "unable to find a free DMA2\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
error = snd_opti9xx_card_new(devptr, &card);
|
|
if (error < 0)
|
|
return error;
|
|
|
|
error = snd_card_opti9xx_detect(card, card->private_data);
|
|
if (error < 0)
|
|
return error;
|
|
error = snd_opti9xx_probe(card);
|
|
if (error < 0)
|
|
return error;
|
|
dev_set_drvdata(devptr, card);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int snd_opti9xx_suspend(struct snd_card *card)
|
|
{
|
|
struct snd_opti9xx *chip = card->private_data;
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
|
chip->codec->suspend(chip->codec);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_opti9xx_resume(struct snd_card *card)
|
|
{
|
|
struct snd_opti9xx *chip = card->private_data;
|
|
int error, xdma2;
|
|
#if defined(CS4231) || defined(OPTi93X)
|
|
xdma2 = dma2;
|
|
#else
|
|
xdma2 = -1;
|
|
#endif
|
|
|
|
error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2,
|
|
mpu_port, mpu_irq);
|
|
if (error)
|
|
return error;
|
|
chip->codec->resume(chip->codec);
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n,
|
|
pm_message_t state)
|
|
{
|
|
return snd_opti9xx_suspend(dev_get_drvdata(dev));
|
|
}
|
|
|
|
static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n)
|
|
{
|
|
return snd_opti9xx_resume(dev_get_drvdata(dev));
|
|
}
|
|
#endif
|
|
|
|
static struct isa_driver snd_opti9xx_driver = {
|
|
.match = snd_opti9xx_isa_match,
|
|
.probe = snd_opti9xx_isa_probe,
|
|
#ifdef CONFIG_PM
|
|
.suspend = snd_opti9xx_isa_suspend,
|
|
.resume = snd_opti9xx_isa_resume,
|
|
#endif
|
|
.driver = {
|
|
.name = DEV_NAME
|
|
},
|
|
};
|
|
|
|
#ifdef CONFIG_PNP
|
|
static int snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
|
|
const struct pnp_card_device_id *pid)
|
|
{
|
|
struct snd_card *card;
|
|
int error, hw;
|
|
struct snd_opti9xx *chip;
|
|
|
|
if (snd_opti9xx_pnp_is_probed)
|
|
return -EBUSY;
|
|
if (! isapnp)
|
|
return -ENODEV;
|
|
error = snd_opti9xx_card_new(&pcard->card->dev, &card);
|
|
if (error < 0)
|
|
return error;
|
|
chip = card->private_data;
|
|
|
|
hw = snd_card_opti9xx_pnp(chip, pcard, pid);
|
|
switch (hw) {
|
|
case 0x0924:
|
|
hw = OPTi9XX_HW_82C924;
|
|
break;
|
|
case 0x0925:
|
|
hw = OPTi9XX_HW_82C925;
|
|
break;
|
|
case 0x0931:
|
|
hw = OPTi9XX_HW_82C931;
|
|
break;
|
|
default:
|
|
return -ENODEV;
|
|
}
|
|
|
|
error = snd_opti9xx_init(chip, hw);
|
|
if (error)
|
|
return error;
|
|
error = snd_opti9xx_read_check(card, chip);
|
|
if (error) {
|
|
snd_printk(KERN_ERR "OPTI chip not found\n");
|
|
return error;
|
|
}
|
|
error = snd_opti9xx_probe(card);
|
|
if (error < 0)
|
|
return error;
|
|
pnp_set_card_drvdata(pcard, card);
|
|
snd_opti9xx_pnp_is_probed = 1;
|
|
return 0;
|
|
}
|
|
|
|
static void snd_opti9xx_pnp_remove(struct pnp_card_link *pcard)
|
|
{
|
|
snd_opti9xx_pnp_is_probed = 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard,
|
|
pm_message_t state)
|
|
{
|
|
return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard));
|
|
}
|
|
|
|
static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard)
|
|
{
|
|
return snd_opti9xx_resume(pnp_get_card_drvdata(pcard));
|
|
}
|
|
#endif
|
|
|
|
static struct pnp_card_driver opti9xx_pnpc_driver = {
|
|
.flags = PNP_DRIVER_RES_DISABLE,
|
|
.name = DEV_NAME,
|
|
.id_table = snd_opti9xx_pnpids,
|
|
.probe = snd_opti9xx_pnp_probe,
|
|
.remove = snd_opti9xx_pnp_remove,
|
|
#ifdef CONFIG_PM
|
|
.suspend = snd_opti9xx_pnp_suspend,
|
|
.resume = snd_opti9xx_pnp_resume,
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
#ifdef OPTi93X
|
|
#define CHIP_NAME "82C93x"
|
|
#else
|
|
#define CHIP_NAME "82C92x"
|
|
#endif
|
|
|
|
static int __init alsa_card_opti9xx_init(void)
|
|
{
|
|
#ifdef CONFIG_PNP
|
|
pnp_register_card_driver(&opti9xx_pnpc_driver);
|
|
if (snd_opti9xx_pnp_is_probed)
|
|
return 0;
|
|
pnp_unregister_card_driver(&opti9xx_pnpc_driver);
|
|
#endif
|
|
return isa_register_driver(&snd_opti9xx_driver, 1);
|
|
}
|
|
|
|
static void __exit alsa_card_opti9xx_exit(void)
|
|
{
|
|
if (!snd_opti9xx_pnp_is_probed) {
|
|
isa_unregister_driver(&snd_opti9xx_driver);
|
|
return;
|
|
}
|
|
#ifdef CONFIG_PNP
|
|
pnp_unregister_card_driver(&opti9xx_pnpc_driver);
|
|
#endif
|
|
}
|
|
|
|
module_init(alsa_card_opti9xx_init)
|
|
module_exit(alsa_card_opti9xx_exit)
|