Loading...
1/*
2 * Copyright (c) 1998-2002 by Paul Davis <pbd@op.net>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19#include <asm/io.h>
20#include <linux/init.h>
21#include <linux/time.h>
22#include <linux/wait.h>
23#include <linux/slab.h>
24#include <linux/firmware.h>
25#include <sound/core.h>
26#include <sound/snd_wavefront.h>
27#include <sound/initval.h>
28
29/* Control bits for the Load Control Register
30 */
31
32#define FX_LSB_TRANSFER 0x01 /* transfer after DSP LSB byte written */
33#define FX_MSB_TRANSFER 0x02 /* transfer after DSP MSB byte written */
34#define FX_AUTO_INCR 0x04 /* auto-increment DSP address after transfer */
35
36#define WAIT_IDLE 0xff
37
38static int
39wavefront_fx_idle (snd_wavefront_t *dev)
40
41{
42 int i;
43 unsigned int x = 0x80;
44
45 for (i = 0; i < 1000; i++) {
46 x = inb (dev->fx_status);
47 if ((x & 0x80) == 0) {
48 break;
49 }
50 }
51
52 if (x & 0x80) {
53 snd_printk ("FX device never idle.\n");
54 return 0;
55 }
56
57 return (1);
58}
59
60static void
61wavefront_fx_mute (snd_wavefront_t *dev, int onoff)
62
63{
64 if (!wavefront_fx_idle(dev)) {
65 return;
66 }
67
68 outb (onoff ? 0x02 : 0x00, dev->fx_op);
69}
70
71static int
72wavefront_fx_memset (snd_wavefront_t *dev,
73 int page,
74 int addr,
75 int cnt,
76 unsigned short *data)
77{
78 if (page < 0 || page > 7) {
79 snd_printk ("FX memset: "
80 "page must be >= 0 and <= 7\n");
81 return -(EINVAL);
82 }
83
84 if (addr < 0 || addr > 0x7f) {
85 snd_printk ("FX memset: "
86 "addr must be >= 0 and <= 7f\n");
87 return -(EINVAL);
88 }
89
90 if (cnt == 1) {
91
92 outb (FX_LSB_TRANSFER, dev->fx_lcr);
93 outb (page, dev->fx_dsp_page);
94 outb (addr, dev->fx_dsp_addr);
95 outb ((data[0] >> 8), dev->fx_dsp_msb);
96 outb ((data[0] & 0xff), dev->fx_dsp_lsb);
97
98 snd_printk ("FX: addr %d:%x set to 0x%x\n",
99 page, addr, data[0]);
100
101 } else {
102 int i;
103
104 outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev->fx_lcr);
105 outb (page, dev->fx_dsp_page);
106 outb (addr, dev->fx_dsp_addr);
107
108 for (i = 0; i < cnt; i++) {
109 outb ((data[i] >> 8), dev->fx_dsp_msb);
110 outb ((data[i] & 0xff), dev->fx_dsp_lsb);
111 if (!wavefront_fx_idle (dev)) {
112 break;
113 }
114 }
115
116 if (i != cnt) {
117 snd_printk ("FX memset "
118 "(0x%x, 0x%x, 0x%lx, %d) incomplete\n",
119 page, addr, (unsigned long) data, cnt);
120 return -(EIO);
121 }
122 }
123
124 return 0;
125}
126
127int
128snd_wavefront_fx_detect (snd_wavefront_t *dev)
129
130{
131 /* This is a crude check, but its the best one I have for now.
132 Certainly on the Maui and the Tropez, wavefront_fx_idle() will
133 report "never idle", which suggests that this test should
134 work OK.
135 */
136
137 if (inb (dev->fx_status) & 0x80) {
138 snd_printk ("Hmm, probably a Maui or Tropez.\n");
139 return -1;
140 }
141
142 return 0;
143}
144
145int
146snd_wavefront_fx_open (struct snd_hwdep *hw, struct file *file)
147
148{
149 if (!try_module_get(hw->card->module))
150 return -EFAULT;
151 file->private_data = hw;
152 return 0;
153}
154
155int
156snd_wavefront_fx_release (struct snd_hwdep *hw, struct file *file)
157
158{
159 module_put(hw->card->module);
160 return 0;
161}
162
163int
164snd_wavefront_fx_ioctl (struct snd_hwdep *sdev, struct file *file,
165 unsigned int cmd, unsigned long arg)
166
167{
168 struct snd_card *card;
169 snd_wavefront_card_t *acard;
170 snd_wavefront_t *dev;
171 wavefront_fx_info r;
172 unsigned short *page_data = NULL;
173 unsigned short *pd;
174 int err = 0;
175
176 card = sdev->card;
177 if (snd_BUG_ON(!card))
178 return -ENODEV;
179 if (snd_BUG_ON(!card->private_data))
180 return -ENODEV;
181
182 acard = card->private_data;
183 dev = &acard->wavefront;
184
185 if (copy_from_user (&r, (void __user *)arg, sizeof (wavefront_fx_info)))
186 return -EFAULT;
187
188 switch (r.request) {
189 case WFFX_MUTE:
190 wavefront_fx_mute (dev, r.data[0]);
191 return -EIO;
192
193 case WFFX_MEMSET:
194 if (r.data[2] <= 0) {
195 snd_printk ("cannot write "
196 "<= 0 bytes to FX\n");
197 return -EIO;
198 } else if (r.data[2] == 1) {
199 pd = (unsigned short *) &r.data[3];
200 } else {
201 if (r.data[2] > 256) {
202 snd_printk ("cannot write "
203 "> 512 bytes to FX\n");
204 return -EIO;
205 }
206 page_data = memdup_user((unsigned char __user *)
207 r.data[3],
208 r.data[2] * sizeof(short));
209 if (IS_ERR(page_data))
210 return PTR_ERR(page_data);
211 pd = page_data;
212 }
213
214 err = wavefront_fx_memset (dev,
215 r.data[0], /* page */
216 r.data[1], /* addr */
217 r.data[2], /* cnt */
218 pd);
219 kfree(page_data);
220 break;
221
222 default:
223 snd_printk ("FX: ioctl %d not yet supported\n",
224 r.request);
225 return -ENOTTY;
226 }
227 return err;
228}
229
230/* YSS225 initialization.
231
232 This code was developed using DOSEMU. The Turtle Beach SETUPSND
233 utility was run with I/O tracing in DOSEMU enabled, and a reconstruction
234 of the port I/O done, using the Yamaha faxback document as a guide
235 to add more logic to the code. Its really pretty weird.
236
237 This is the approach of just dumping the whole I/O
238 sequence as a series of port/value pairs and a simple loop
239 that outputs it.
240*/
241
242int __devinit
243snd_wavefront_fx_start (snd_wavefront_t *dev)
244{
245 unsigned int i;
246 int err;
247 const struct firmware *firmware = NULL;
248
249 if (dev->fx_initialized)
250 return 0;
251
252 err = request_firmware(&firmware, "yamaha/yss225_registers.bin",
253 dev->card->dev);
254 if (err < 0) {
255 err = -1;
256 goto out;
257 }
258
259 for (i = 0; i + 1 < firmware->size; i += 2) {
260 if (firmware->data[i] >= 8 && firmware->data[i] < 16) {
261 outb(firmware->data[i + 1],
262 dev->base + firmware->data[i]);
263 } else if (firmware->data[i] == WAIT_IDLE) {
264 if (!wavefront_fx_idle(dev)) {
265 err = -1;
266 goto out;
267 }
268 } else {
269 snd_printk(KERN_ERR "invalid address"
270 " in register data\n");
271 err = -1;
272 goto out;
273 }
274 }
275
276 dev->fx_initialized = 1;
277 err = 0;
278
279out:
280 release_firmware(firmware);
281 return err;
282}
283
284MODULE_FIRMWARE("yamaha/yss225_registers.bin");
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 1998-2002 by Paul Davis <pbd@op.net>
4 */
5
6#include <linux/io.h>
7#include <linux/init.h>
8#include <linux/time.h>
9#include <linux/wait.h>
10#include <linux/slab.h>
11#include <linux/module.h>
12#include <linux/firmware.h>
13#include <sound/core.h>
14#include <sound/snd_wavefront.h>
15#include <sound/initval.h>
16
17/* Control bits for the Load Control Register
18 */
19
20#define FX_LSB_TRANSFER 0x01 /* transfer after DSP LSB byte written */
21#define FX_MSB_TRANSFER 0x02 /* transfer after DSP MSB byte written */
22#define FX_AUTO_INCR 0x04 /* auto-increment DSP address after transfer */
23
24#define WAIT_IDLE 0xff
25
26static int
27wavefront_fx_idle (snd_wavefront_t *dev)
28
29{
30 int i;
31 unsigned int x = 0x80;
32
33 for (i = 0; i < 1000; i++) {
34 x = inb (dev->fx_status);
35 if ((x & 0x80) == 0) {
36 break;
37 }
38 }
39
40 if (x & 0x80) {
41 snd_printk ("FX device never idle.\n");
42 return 0;
43 }
44
45 return (1);
46}
47
48static void
49wavefront_fx_mute (snd_wavefront_t *dev, int onoff)
50
51{
52 if (!wavefront_fx_idle(dev)) {
53 return;
54 }
55
56 outb (onoff ? 0x02 : 0x00, dev->fx_op);
57}
58
59static int
60wavefront_fx_memset (snd_wavefront_t *dev,
61 int page,
62 int addr,
63 int cnt,
64 unsigned short *data)
65{
66 if (page < 0 || page > 7) {
67 snd_printk ("FX memset: "
68 "page must be >= 0 and <= 7\n");
69 return -EINVAL;
70 }
71
72 if (addr < 0 || addr > 0x7f) {
73 snd_printk ("FX memset: "
74 "addr must be >= 0 and <= 7f\n");
75 return -EINVAL;
76 }
77
78 if (cnt == 1) {
79
80 outb (FX_LSB_TRANSFER, dev->fx_lcr);
81 outb (page, dev->fx_dsp_page);
82 outb (addr, dev->fx_dsp_addr);
83 outb ((data[0] >> 8), dev->fx_dsp_msb);
84 outb ((data[0] & 0xff), dev->fx_dsp_lsb);
85
86 snd_printk ("FX: addr %d:%x set to 0x%x\n",
87 page, addr, data[0]);
88
89 } else {
90 int i;
91
92 outb (FX_AUTO_INCR|FX_LSB_TRANSFER, dev->fx_lcr);
93 outb (page, dev->fx_dsp_page);
94 outb (addr, dev->fx_dsp_addr);
95
96 for (i = 0; i < cnt; i++) {
97 outb ((data[i] >> 8), dev->fx_dsp_msb);
98 outb ((data[i] & 0xff), dev->fx_dsp_lsb);
99 if (!wavefront_fx_idle (dev)) {
100 break;
101 }
102 }
103
104 if (i != cnt) {
105 snd_printk ("FX memset "
106 "(0x%x, 0x%x, 0x%lx, %d) incomplete\n",
107 page, addr, (unsigned long) data, cnt);
108 return -EIO;
109 }
110 }
111
112 return 0;
113}
114
115int
116snd_wavefront_fx_detect (snd_wavefront_t *dev)
117
118{
119 /* This is a crude check, but its the best one I have for now.
120 Certainly on the Maui and the Tropez, wavefront_fx_idle() will
121 report "never idle", which suggests that this test should
122 work OK.
123 */
124
125 if (inb (dev->fx_status) & 0x80) {
126 snd_printk ("Hmm, probably a Maui or Tropez.\n");
127 return -1;
128 }
129
130 return 0;
131}
132
133int
134snd_wavefront_fx_open (struct snd_hwdep *hw, struct file *file)
135
136{
137 if (!try_module_get(hw->card->module))
138 return -EFAULT;
139 file->private_data = hw;
140 return 0;
141}
142
143int
144snd_wavefront_fx_release (struct snd_hwdep *hw, struct file *file)
145
146{
147 module_put(hw->card->module);
148 return 0;
149}
150
151int
152snd_wavefront_fx_ioctl (struct snd_hwdep *sdev, struct file *file,
153 unsigned int cmd, unsigned long arg)
154
155{
156 struct snd_card *card;
157 snd_wavefront_card_t *acard;
158 snd_wavefront_t *dev;
159 wavefront_fx_info r;
160 unsigned short *page_data = NULL;
161 unsigned short *pd;
162 int err = 0;
163
164 card = sdev->card;
165 if (snd_BUG_ON(!card))
166 return -ENODEV;
167 if (snd_BUG_ON(!card->private_data))
168 return -ENODEV;
169
170 acard = card->private_data;
171 dev = &acard->wavefront;
172
173 if (copy_from_user (&r, (void __user *)arg, sizeof (wavefront_fx_info)))
174 return -EFAULT;
175
176 switch (r.request) {
177 case WFFX_MUTE:
178 wavefront_fx_mute (dev, r.data[0]);
179 return -EIO;
180
181 case WFFX_MEMSET:
182 if (r.data[2] <= 0) {
183 snd_printk ("cannot write "
184 "<= 0 bytes to FX\n");
185 return -EIO;
186 } else if (r.data[2] == 1) {
187 pd = (unsigned short *) &r.data[3];
188 } else {
189 if (r.data[2] > 256) {
190 snd_printk ("cannot write "
191 "> 512 bytes to FX\n");
192 return -EIO;
193 }
194 page_data = memdup_user((unsigned char __user *)
195 r.data[3],
196 r.data[2] * sizeof(short));
197 if (IS_ERR(page_data))
198 return PTR_ERR(page_data);
199 pd = page_data;
200 }
201
202 err = wavefront_fx_memset (dev,
203 r.data[0], /* page */
204 r.data[1], /* addr */
205 r.data[2], /* cnt */
206 pd);
207 kfree(page_data);
208 break;
209
210 default:
211 snd_printk ("FX: ioctl %d not yet supported\n",
212 r.request);
213 return -ENOTTY;
214 }
215 return err;
216}
217
218/* YSS225 initialization.
219
220 This code was developed using DOSEMU. The Turtle Beach SETUPSND
221 utility was run with I/O tracing in DOSEMU enabled, and a reconstruction
222 of the port I/O done, using the Yamaha faxback document as a guide
223 to add more logic to the code. Its really pretty weird.
224
225 This is the approach of just dumping the whole I/O
226 sequence as a series of port/value pairs and a simple loop
227 that outputs it.
228*/
229
230int
231snd_wavefront_fx_start (snd_wavefront_t *dev)
232{
233 unsigned int i;
234 int err;
235 const struct firmware *firmware = NULL;
236
237 if (dev->fx_initialized)
238 return 0;
239
240 err = request_firmware(&firmware, "yamaha/yss225_registers.bin",
241 dev->card->dev);
242 if (err < 0) {
243 err = -1;
244 goto out;
245 }
246
247 for (i = 0; i + 1 < firmware->size; i += 2) {
248 if (firmware->data[i] >= 8 && firmware->data[i] < 16) {
249 outb(firmware->data[i + 1],
250 dev->base + firmware->data[i]);
251 } else if (firmware->data[i] == WAIT_IDLE) {
252 if (!wavefront_fx_idle(dev)) {
253 err = -1;
254 goto out;
255 }
256 } else {
257 snd_printk(KERN_ERR "invalid address"
258 " in register data\n");
259 err = -1;
260 goto out;
261 }
262 }
263
264 dev->fx_initialized = 1;
265 err = 0;
266
267out:
268 release_firmware(firmware);
269 return err;
270}
271
272MODULE_FIRMWARE("yamaha/yss225_registers.bin");