aboutsummaryrefslogtreecommitdiffstats
path: root/sound/drivers/vx/vx_hwdep.c
blob: 8d6362e2d4c9ec54f5a0784e6f49baa424990f90 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
/*
 * Driver for Digigram VX soundcards
 *
 * DSP firmware management
 *
 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/vmalloc.h>
#include <sound/core.h>
#include <sound/hwdep.h>
#include <sound/vx_core.h>

#ifdef SND_VX_FW_LOADER

MODULE_FIRMWARE("vx/bx_1_vxp.b56");
MODULE_FIRMWARE("vx/bx_1_vp4.b56");
MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
MODULE_FIRMWARE("vx/x1_2_v22.xlx");
MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
MODULE_FIRMWARE("vx/bd56002.boot");
MODULE_FIRMWARE("vx/bd563v2.boot");
MODULE_FIRMWARE("vx/bd563s3.boot");
MODULE_FIRMWARE("vx/l_1_vx2.d56");
MODULE_FIRMWARE("vx/l_1_v22.d56");
MODULE_FIRMWARE("vx/l_1_vxp.d56");
MODULE_FIRMWARE("vx/l_1_vp4.d56");

int snd_vx_setup_firmware(struct vx_core *chip)
{
	static char *fw_files[VX_TYPE_NUMS][4] = {
		[VX_TYPE_BOARD] = {
			NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
		},
		[VX_TYPE_V2] = {
			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
		},
		[VX_TYPE_MIC] = {
			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
		},
		[VX_TYPE_VXPOCKET] = {
			"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
		},
		[VX_TYPE_VXP440] = {
			"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
		},
	};

	int i, err;

	for (i = 0; i < 4; i++) {
		char path[32];
		const struct firmware *fw;
		if (! fw_files[chip->type][i])
			continue;
		sprintf(path, "vx/%s", fw_files[chip->type][i]);
		if (request_firmware(&fw, path, chip->dev)) {
			snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
			return -ENOENT;
		}
		err = chip->ops->load_dsp(chip, i, fw);
		if (err < 0) {
			release_firmware(fw);
			return err;
		}
		if (i == 1)
			chip->chip_status |= VX_STAT_XILINX_LOADED;
#ifdef CONFIG_PM
		chip->firmware[i] = fw;
#else
		release_firmware(fw);
#endif
	}

	/* ok, we reached to the last one */
	/* create the devices if not built yet */
	if ((err = snd_vx_pcm_new(chip)) < 0)
		return err;

	if ((err = snd_vx_mixer_new(chip)) < 0)
		return err;

	if (chip->ops->add_controls)
		if ((err = chip->ops->add_controls(chip)) < 0)
			return err;

	chip->chip_status |= VX_STAT_DEVICE_INIT;
	chip->chip_status |= VX_STAT_CHIP_INIT;

	return snd_card_register(chip->card);
}

/* exported */
void snd_vx_free_firmware(struct vx_core *chip)
{
#ifdef CONFIG_PM
	int i;
	for (i = 0; i < 4; i++)
		release_firmware(chip->firmware[i]);
#endif
}

#else /* old style firmware loading */

static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file)
{
	return 0;
}

static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file)
{
	return 0;
}

static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
			       struct snd_hwdep_dsp_status *info)
{
	static char *type_ids[VX_TYPE_NUMS] = {
		[VX_TYPE_BOARD] = "vxboard",
		[VX_TYPE_V2] = "vx222",
		[VX_TYPE_MIC] = "vx222",
		[VX_TYPE_VXPOCKET] = "vxpocket",
		[VX_TYPE_VXP440] = "vxp440",
	};
	struct vx_core *vx = hw->private_data;

	if (snd_BUG_ON(!type_ids[vx->type]))
		return -EINVAL;
	strcpy(info->id, type_ids[vx->type]);
	if (vx_is_pcmcia(vx))
		info->num_dsps = 4;
	else
		info->num_dsps = 3;
	if (vx->chip_status & VX_STAT_CHIP_INIT)
		info->chip_ready = 1;
	info->version = VX_DRIVER_VERSION;
	return 0;
}

static void free_fw(const struct firmware *fw)
{
	if (fw) {
		vfree(fw->data);
		kfree(fw);
	}
}

static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
			     struct snd_hwdep_dsp_image *dsp)
{
	struct vx_core *vx = hw->private_data;
	int index, err;
	struct firmware *fw;

	if (snd_BUG_ON(!vx->ops->load_dsp))
		return -ENXIO;

	fw = kmalloc(sizeof(*fw), GFP_KERNEL);
	if (! fw) {
		snd_printk(KERN_ERR "cannot allocate firmware\n");
		return -ENOMEM;
	}
	fw->size = dsp->length;
	fw->data = vmalloc(fw->size);
	if (! fw->data) {
		snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
			   (int)fw->size);
		kfree(fw);
		return -ENOMEM;
	}
	if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
		free_fw(fw);
		return -EFAULT;
	}

	index = dsp->index;
	if (! vx_is_pcmcia(vx))
		index++;
	err = vx->ops->load_dsp(vx, index, fw);
	if (err < 0) {
		free_fw(fw);
		return err;
	}
#ifdef CONFIG_PM
	vx->firmware[index] = fw;
#else
	free_fw(fw);
#endif

	if (index == 1)
		vx->chip_status |= VX_STAT_XILINX_LOADED;
	if (index < 3)
		return 0;

	/* ok, we reached to the last one */
	/* create the devices if not built yet */
	if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
		if ((err = snd_vx_pcm_new(vx)) < 0)
			return err;

		if ((err = snd_vx_mixer_new(vx)) < 0)
			return err;

		if (vx->ops->add_controls)
			if ((err = vx->ops->add_controls(vx)) < 0)
				return err;

		if ((err = snd_card_register(vx->card)) < 0)
			return err;

		vx->chip_status |= VX_STAT_DEVICE_INIT;
	}
	vx->chip_status |= VX_STAT_CHIP_INIT;
	return 0;
}


/* exported */
int snd_vx_setup_firmware(struct vx_core *chip)
{
	int err;
	struct snd_hwdep *hw;

	if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
		return err;

	hw->iface = SNDRV_HWDEP_IFACE_VX;
	hw->private_data = chip;
	hw->ops.open = vx_hwdep_open;
	hw->ops.release = vx_hwdep_release;
	hw->ops.dsp_status = vx_hwdep_dsp_status;
	hw->ops.dsp_load = vx_hwdep_dsp_load;
	hw->exclusive = 1;
	sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
	chip->hwdep = hw;

	return snd_card_register(chip->card);
}

/* exported */
void snd_vx_free_firmware(struct vx_core *chip)
{
#ifdef CONFIG_PM
	int i;
	for (i = 0; i < 4; i++)
		free_fw(chip->firmware[i]);
#endif
}

#endif /* SND_VX_FW_LOADER */

EXPORT_SYMBOL(snd_vx_setup_firmware);
EXPORT_SYMBOL(snd_vx_free_firmware);