xref: /openbmc/linux/sound/drivers/vx/vx_hwdep.c (revision 12eb4683)
1 /*
2  * Driver for Digigram VX soundcards
3  *
4  * DSP firmware management
5  *
6  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  */
22 
23 #include <linux/device.h>
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/module.h>
28 #include <sound/core.h>
29 #include <sound/hwdep.h>
30 #include <sound/vx_core.h>
31 
32 MODULE_FIRMWARE("vx/bx_1_vxp.b56");
33 MODULE_FIRMWARE("vx/bx_1_vp4.b56");
34 MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
35 MODULE_FIRMWARE("vx/x1_2_v22.xlx");
36 MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
37 MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
38 MODULE_FIRMWARE("vx/bd56002.boot");
39 MODULE_FIRMWARE("vx/bd563v2.boot");
40 MODULE_FIRMWARE("vx/bd563s3.boot");
41 MODULE_FIRMWARE("vx/l_1_vx2.d56");
42 MODULE_FIRMWARE("vx/l_1_v22.d56");
43 MODULE_FIRMWARE("vx/l_1_vxp.d56");
44 MODULE_FIRMWARE("vx/l_1_vp4.d56");
45 
46 int snd_vx_setup_firmware(struct vx_core *chip)
47 {
48 	static char *fw_files[VX_TYPE_NUMS][4] = {
49 		[VX_TYPE_BOARD] = {
50 			NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
51 		},
52 		[VX_TYPE_V2] = {
53 			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
54 		},
55 		[VX_TYPE_MIC] = {
56 			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
57 		},
58 		[VX_TYPE_VXPOCKET] = {
59 			"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
60 		},
61 		[VX_TYPE_VXP440] = {
62 			"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
63 		},
64 	};
65 
66 	int i, err;
67 
68 	for (i = 0; i < 4; i++) {
69 		char path[32];
70 		const struct firmware *fw;
71 		if (! fw_files[chip->type][i])
72 			continue;
73 		sprintf(path, "vx/%s", fw_files[chip->type][i]);
74 		if (request_firmware(&fw, path, chip->dev)) {
75 			snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
76 			return -ENOENT;
77 		}
78 		err = chip->ops->load_dsp(chip, i, fw);
79 		if (err < 0) {
80 			release_firmware(fw);
81 			return err;
82 		}
83 		if (i == 1)
84 			chip->chip_status |= VX_STAT_XILINX_LOADED;
85 #ifdef CONFIG_PM
86 		chip->firmware[i] = fw;
87 #else
88 		release_firmware(fw);
89 #endif
90 	}
91 
92 	/* ok, we reached to the last one */
93 	/* create the devices if not built yet */
94 	if ((err = snd_vx_pcm_new(chip)) < 0)
95 		return err;
96 
97 	if ((err = snd_vx_mixer_new(chip)) < 0)
98 		return err;
99 
100 	if (chip->ops->add_controls)
101 		if ((err = chip->ops->add_controls(chip)) < 0)
102 			return err;
103 
104 	chip->chip_status |= VX_STAT_DEVICE_INIT;
105 	chip->chip_status |= VX_STAT_CHIP_INIT;
106 
107 	return snd_card_register(chip->card);
108 }
109 
110 /* exported */
111 void snd_vx_free_firmware(struct vx_core *chip)
112 {
113 #ifdef CONFIG_PM
114 	int i;
115 	for (i = 0; i < 4; i++)
116 		release_firmware(chip->firmware[i]);
117 #endif
118 }
119 
120 EXPORT_SYMBOL(snd_vx_setup_firmware);
121 EXPORT_SYMBOL(snd_vx_free_firmware);
122