| 1 | /*
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| 2 | * Driver for Gravis UltraSound Classic soundcard
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| 3 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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| 4 | *
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 | *
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| 20 | */
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| 21 |
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| 22 | #define SNDRV_MAIN_OBJECT_FILE
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| 23 | #include <sound/driver.h>
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| 24 | #include <sound/gus.h>
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| 25 | #define SNDRV_LEGACY_AUTO_PROBE
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| 26 | #define SNDRV_LEGACY_FIND_FREE_IRQ
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| 27 | #define SNDRV_LEGACY_FIND_FREE_DMA
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| 28 | #define SNDRV_GET_ID
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| 29 | #include <sound/initval.h>
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| 30 |
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| 31 | EXPORT_NO_SYMBOLS;
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| 32 | MODULE_DESCRIPTION("Gravis UltraSound Classic");
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| 33 | MODULE_CLASSES("{sound}");
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| 34 | MODULE_DEVICES("{{Gravis,UltraSound Classic}}");
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| 35 |
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| 36 | static int snd_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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| 37 | static char *snd_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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| 38 | static int snd_enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
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| 39 | static long snd_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
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| 40 | static int snd_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
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| 41 | static int snd_dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
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| 42 | static int snd_dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
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| 43 | #ifdef TARGET_OS2
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| 44 | static int snd_joystick_dac[SNDRV_CARDS] = {REPEAT_SNDRV(29)};
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| 45 | /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
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| 46 | static int snd_channels[SNDRV_CARDS] = {REPEAT_SNDRV(24)};
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| 47 | static int snd_pcm_channels[SNDRV_CARDS] = {REPEAT_SNDRV(2)};
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| 48 | #else
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| 49 | static int snd_joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
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| 50 | /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
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| 51 | static int snd_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
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| 52 | static int snd_pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
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| 53 | #endif
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| 54 |
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| 55 | MODULE_PARM(snd_index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 56 | MODULE_PARM_DESC(snd_index, "Index value for GUS Classic soundcard.");
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| 57 | MODULE_PARM_SYNTAX(snd_index, SNDRV_INDEX_DESC);
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| 58 | MODULE_PARM(snd_id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
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| 59 | MODULE_PARM_DESC(snd_id, "ID string for GUS Classic soundcard.");
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| 60 | MODULE_PARM_SYNTAX(snd_id, SNDRV_ID_DESC);
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| 61 | MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 62 | MODULE_PARM_DESC(snd_enable, "Enable GUS Classic soundcard.");
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| 63 | MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC);
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| 64 | MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
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| 65 | MODULE_PARM_DESC(snd_port, "Port # for GUS Classic driver.");
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| 66 | MODULE_PARM_SYNTAX(snd_port, SNDRV_ENABLED ",allows:{{0x220,0x260,0x10}},dialog:list");
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| 67 | MODULE_PARM(snd_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 68 | MODULE_PARM_DESC(snd_irq, "IRQ # for GUS Classic driver.");
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| 69 | MODULE_PARM_SYNTAX(snd_irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
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| 70 | MODULE_PARM(snd_dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 71 | MODULE_PARM_DESC(snd_dma1, "DMA1 # for GUS Classic driver.");
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| 72 | MODULE_PARM_SYNTAX(snd_dma1, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
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| 73 | MODULE_PARM(snd_dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 74 | MODULE_PARM_DESC(snd_dma2, "DMA2 # for GUS Classic driver.");
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| 75 | MODULE_PARM_SYNTAX(snd_dma2, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
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| 76 | MODULE_PARM(snd_joystick_dac, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 77 | MODULE_PARM_DESC(snd_joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
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| 78 | MODULE_PARM_SYNTAX(snd_joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
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| 79 | MODULE_PARM(snd_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 80 | MODULE_PARM_DESC(snd_channels, "GF1 channels for GUS Classic driver.");
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| 81 | MODULE_PARM_SYNTAX(snd_channels, SNDRV_ENABLED ",allows:{{14,32}}");
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| 82 | MODULE_PARM(snd_pcm_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
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| 83 | MODULE_PARM_DESC(snd_pcm_channels, "Reserved PCM channels for GUS Classic driver.");
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| 84 | MODULE_PARM_SYNTAX(snd_pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
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| 85 |
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| 86 | static snd_card_t *snd_gusclassic_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
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| 87 |
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| 88 |
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| 89 | static int __init snd_gusclassic_detect(snd_gus_card_t * gus)
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| 90 | {
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| 91 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
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| 92 | #ifdef CONFIG_SND_DEBUG_DETECT
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| 93 | {
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| 94 | unsigned char d;
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| 95 |
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| 96 | if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
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| 97 | snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
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| 98 | return -ENODEV;
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| 99 | }
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| 100 | }
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| 101 | #else
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| 102 | if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
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| 103 | return -ENODEV;
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| 104 | #endif
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| 105 | udelay(160);
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| 106 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
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| 107 | udelay(160);
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| 108 | #ifdef CONFIG_SND_DEBUG_DETECT
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| 109 | {
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| 110 | unsigned char d;
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| 111 |
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| 112 | if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
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| 113 | snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
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| 114 | return -ENODEV;
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| 115 | }
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| 116 | }
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| 117 | #else
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| 118 | if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
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| 119 | return -ENODEV;
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| 120 | #endif
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| 121 |
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| 122 | return 0;
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| 123 | }
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| 124 |
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| 125 | static void __init snd_gusclassic_init(int dev, snd_gus_card_t * gus)
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| 126 | {
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| 127 | gus->equal_irq = 0;
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| 128 | gus->codec_flag = 0;
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| 129 | gus->max_flag = 0;
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| 130 | gus->joystick_dac = snd_joystick_dac[dev];
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| 131 | }
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| 132 |
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| 133 | static int __init snd_gusclassic_probe(int dev)
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| 134 | {
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| 135 | static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
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| 136 | static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
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| 137 | int irq, dma1, dma2;
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| 138 | snd_card_t *card;
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| 139 | struct snd_gusclassic *guscard;
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| 140 | snd_gus_card_t *gus = NULL;
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| 141 | int err;
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| 142 |
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| 143 | card = snd_card_new(snd_index[dev], snd_id[dev], THIS_MODULE, 0);
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| 144 | if (card == NULL)
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| 145 | return -ENOMEM;
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| 146 | guscard = (struct snd_gusclassic *)card->private_data;
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| 147 | if (snd_pcm_channels[dev] < 2)
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| 148 | snd_pcm_channels[dev] = 2;
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| 149 |
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| 150 | irq = snd_irq[dev];
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| 151 | if (irq == SNDRV_AUTO_IRQ) {
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| 152 | if ((irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
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| 153 | snd_card_free(card);
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| 154 | snd_printk("unable to find a free IRQ\n");
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| 155 | return -EBUSY;
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| 156 | }
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| 157 | }
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| 158 | dma1 = snd_dma1[dev];
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| 159 | if (dma1 == SNDRV_AUTO_DMA) {
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| 160 | if ((dma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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| 161 | snd_card_free(card);
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| 162 | snd_printk("unable to find a free DMA1\n");
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| 163 | return -EBUSY;
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| 164 | }
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| 165 | }
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| 166 | dma2 = snd_dma2[dev];
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| 167 | if (dma2 == SNDRV_AUTO_DMA) {
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| 168 | if ((dma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
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| 169 | snd_card_free(card);
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| 170 | snd_printk("unable to find a free DMA2\n");
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| 171 | return -EBUSY;
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| 172 | }
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| 173 | }
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| 174 |
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| 175 |
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| 176 | if ((err = snd_gus_create(card,
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| 177 | snd_port[dev],
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| 178 | irq, dma1, dma2,
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| 179 | 0, snd_channels[dev], snd_pcm_channels[dev],
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| 180 | 0, &gus)) < 0) {
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| 181 | snd_card_free(card);
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| 182 | return err;
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| 183 | }
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| 184 | if ((err = snd_gusclassic_detect(gus)) < 0) {
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| 185 | snd_card_free(card);
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| 186 | return err;
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| 187 | }
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| 188 | snd_gusclassic_init(dev, gus);
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| 189 | if ((err = snd_gus_initialize(gus)) < 0) {
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| 190 | snd_card_free(card);
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| 191 | return err;
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| 192 | }
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| 193 | if (gus->max_flag || gus->ess_flag) {
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| 194 | snd_card_free(card);
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| 195 | snd_printdd("GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
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| 196 | return -ENODEV;
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| 197 | }
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| 198 | if ((err = snd_gf1_new_mixer(gus)) < 0) {
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| 199 | snd_card_free(card);
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| 200 | return err;
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| 201 | }
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| 202 | if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0) {
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| 203 | snd_card_free(card);
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| 204 | return err;
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| 205 | }
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| 206 | if (!gus->ace_flag) {
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| 207 | if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
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| 208 | snd_card_free(card);
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| 209 | return err;
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| 210 | }
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| 211 | }
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| 212 | sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, irq, dma1);
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| 213 | if (dma2 >= 0)
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| 214 | sprintf(card->longname + strlen(card->longname), "&%d", dma2);
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| 215 | if ((err = snd_card_register(card)) < 0) {
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| 216 | snd_card_free(card);
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| 217 | return err;
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| 218 | }
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| 219 | snd_gusclassic_cards[dev] = card;
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| 220 | return 0;
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| 221 | }
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| 222 |
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| 223 | static int __init snd_gusclassic_legacy_auto_probe(unsigned long port)
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| 224 | {
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| 225 | static int dev = 0;
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| 226 | int res;
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| 227 |
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| 228 | for ( ; dev < SNDRV_CARDS; dev++) {
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| 229 | if (!snd_enable[dev] || snd_port[dev] != SNDRV_AUTO_PORT)
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| 230 | continue;
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| 231 | snd_port[dev] = port;
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| 232 | res = snd_gusclassic_probe(dev);
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| 233 | if (res < 0)
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| 234 | snd_port[dev] = SNDRV_AUTO_PORT;
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| 235 | return res;
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| 236 | }
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| 237 | return -ENODEV;
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| 238 | }
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| 239 |
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| 240 | static int __init alsa_card_gusclassic_init(void)
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| 241 | {
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| 242 | static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
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| 243 | int dev, cards;
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| 244 |
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| 245 | for (dev = cards = 0; dev < SNDRV_CARDS && snd_enable[dev]; dev++) {
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| 246 | if (snd_port[dev] == SNDRV_AUTO_PORT)
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| 247 | continue;
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| 248 | if (snd_gusclassic_probe(dev) >= 0)
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| 249 | cards++;
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| 250 | }
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| 251 | cards += snd_legacy_auto_probe(possible_ports, snd_gusclassic_legacy_auto_probe);
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| 252 | if (!cards) {
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| 253 | #ifdef MODULE
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| 254 | snd_printk("GUS Classic soundcard not found or device busy\n");
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| 255 | #endif
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| 256 | return -ENODEV;
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| 257 | }
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| 258 | return 0;
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| 259 | }
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| 260 |
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| 261 | static void __exit alsa_card_gusclassic_exit(void)
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| 262 | {
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| 263 | int idx;
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| 264 |
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| 265 | for (idx = 0; idx < SNDRV_CARDS; idx++)
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| 266 | snd_card_free(snd_gusclassic_cards[idx]);
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| 267 | }
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| 268 |
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| 269 | module_init(alsa_card_gusclassic_init)
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| 270 | module_exit(alsa_card_gusclassic_exit)
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| 271 |
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| 272 | #ifndef MODULE
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| 273 |
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| 274 | /* format is: snd-card-gusclassic=snd_enable,snd_index,snd_id,
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| 275 | snd_port,snd_irq,
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| 276 | snd_dma1,snd_dma2,
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| 277 | snd_joystick_dac,
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| 278 | snd_channels,snd_pcm_channels */
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| 279 |
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| 280 | static int __init alsa_card_gusclassic_setup(char *str)
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| 281 | {
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| 282 | static unsigned __initdata nr_dev = 0;
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| 283 |
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| 284 | if (nr_dev >= SNDRV_CARDS)
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| 285 | return 0;
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| 286 | (void)(get_option(&str,&snd_enable[nr_dev]) == 2 &&
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| 287 | get_option(&str,&snd_index[nr_dev]) == 2 &&
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| 288 | get_id(&str,&snd_id[nr_dev]) == 2 &&
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| 289 | get_option(&str,(int *)&snd_port[nr_dev]) == 2 &&
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| 290 | get_option(&str,&snd_irq[nr_dev]) == 2 &&
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| 291 | get_option(&str,&snd_dma1[nr_dev]) == 2 &&
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| 292 | get_option(&str,&snd_dma2[nr_dev]) == 2 &&
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| 293 | get_option(&str,&snd_joystick_dac[nr_dev]) == 2 &&
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| 294 | get_option(&str,&snd_channels[nr_dev]) == 2 &&
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| 295 | get_option(&str,&snd_pcm_channels[nr_dev]) == 2);
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| 296 | nr_dev++;
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| 297 | return 1;
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| 298 | }
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| 299 |
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| 300 | __setup("snd-card-gusclassic=", alsa_card_gusclassic_setup);
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| 301 |
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| 302 | #endif /* ifndef MODULE */
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