Blame view
sound/i2c/tea6330t.c
10.4 KB
1a59d1b8e treewide: Replace... |
1 |
// SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4c Linux-2.6.12-rc2 |
2 3 4 |
/* * Routines for control of the TEA6330T circuit via i2c bus * Sound fader control circuit for car radios by Philips Semiconductors |
c1017a4cd [ALSA] Changed Ja... |
5 |
* Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4c Linux-2.6.12-rc2 |
6 |
*/ |
1da177e4c Linux-2.6.12-rc2 |
7 8 |
#include <linux/init.h> #include <linux/slab.h> |
da155d5b4 sound: Add module... |
9 |
#include <linux/module.h> |
1da177e4c Linux-2.6.12-rc2 |
10 |
#include <sound/core.h> |
c8714ba16 [ALSA] Remove tea... |
11 |
#include <sound/control.h> |
1da177e4c Linux-2.6.12-rc2 |
12 |
#include <sound/tea6330t.h> |
c1017a4cd [ALSA] Changed Ja... |
13 |
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
1da177e4c Linux-2.6.12-rc2 |
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
MODULE_DESCRIPTION("Routines for control of the TEA6330T circuit via i2c bus"); MODULE_LICENSE("GPL"); #define TEA6330T_ADDR (0x80>>1) /* fixed address */ #define TEA6330T_SADDR_VOLUME_LEFT 0x00 /* volume left */ #define TEA6330T_SADDR_VOLUME_RIGHT 0x01 /* volume right */ #define TEA6330T_SADDR_BASS 0x02 /* bass control */ #define TEA6330T_SADDR_TREBLE 0x03 /* treble control */ #define TEA6330T_SADDR_FADER 0x04 /* fader control */ #define TEA6330T_MFN 0x20 /* mute control for selected channels */ #define TEA6330T_FCH 0x10 /* select fader channels - front or rear */ #define TEA6330T_SADDR_AUDIO_SWITCH 0x05 /* audio switch */ #define TEA6330T_GMU 0x80 /* mute control, general mute */ #define TEA6330T_EQN 0x40 /* equalizer switchover (0=equalizer-on) */ |
97f02e05f [ALSA] Remove xxx... |
29 30 31 32 |
struct tea6330t { struct snd_i2c_device *device; struct snd_i2c_bus *bus; |
c8714ba16 [ALSA] Remove tea... |
33 34 35 36 37 38 |
int equalizer; int fader; unsigned char regs[8]; unsigned char mleft, mright; unsigned char bass, treble; unsigned char max_bass, max_treble; |
97f02e05f [ALSA] Remove xxx... |
39 |
}; |
c8714ba16 [ALSA] Remove tea... |
40 |
|
97f02e05f [ALSA] Remove xxx... |
41 |
int snd_tea6330t_detect(struct snd_i2c_bus *bus, int equalizer) |
1da177e4c Linux-2.6.12-rc2 |
42 43 44 45 46 47 48 49 50 51 |
{ int res; snd_i2c_lock(bus); res = snd_i2c_probeaddr(bus, TEA6330T_ADDR); snd_i2c_unlock(bus); return res; } #if 0 |
97f02e05f [ALSA] Remove xxx... |
52 |
static void snd_tea6330t_set(struct tea6330t *tea, |
1da177e4c Linux-2.6.12-rc2 |
53 54 55 |
unsigned char addr, unsigned char value) { #if 0 |
99b359ba1 [ALSA] Add missin... |
56 57 |
printk(KERN_DEBUG "set - 0x%x/0x%x ", addr, value); |
1da177e4c Linux-2.6.12-rc2 |
58 59 60 61 62 63 64 65 66 |
#endif snd_i2c_write(tea->bus, TEA6330T_ADDR, addr, value, 1); } #endif #define TEA6330T_MASTER_VOLUME(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_tea6330t_info_master_volume, \ .get = snd_tea6330t_get_master_volume, .put = snd_tea6330t_put_master_volume } |
97f02e05f [ALSA] Remove xxx... |
67 68 |
static int snd_tea6330t_info_master_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4c Linux-2.6.12-rc2 |
69 70 71 72 73 74 75 |
{ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = 43; return 0; } |
97f02e05f [ALSA] Remove xxx... |
76 77 |
static int snd_tea6330t_get_master_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
78 |
{ |
97f02e05f [ALSA] Remove xxx... |
79 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
80 81 82 83 84 85 86 |
snd_i2c_lock(tea->bus); ucontrol->value.integer.value[0] = tea->mleft - 0x14; ucontrol->value.integer.value[1] = tea->mright - 0x14; snd_i2c_unlock(tea->bus); return 0; } |
97f02e05f [ALSA] Remove xxx... |
87 88 |
static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
89 |
{ |
97f02e05f [ALSA] Remove xxx... |
90 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
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 |
int change, count, err; unsigned char bytes[3]; unsigned char val1, val2; val1 = (ucontrol->value.integer.value[0] % 44) + 0x14; val2 = (ucontrol->value.integer.value[1] % 44) + 0x14; snd_i2c_lock(tea->bus); change = val1 != tea->mleft || val2 != tea->mright; tea->mleft = val1; tea->mright = val2; count = 0; if (tea->regs[TEA6330T_SADDR_VOLUME_LEFT] != 0) { bytes[count++] = TEA6330T_SADDR_VOLUME_LEFT; bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = tea->mleft; } if (tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] != 0) { if (count == 0) bytes[count++] = TEA6330T_SADDR_VOLUME_RIGHT; bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright; } if (count > 0) { if ((err = snd_i2c_sendbytes(tea->device, bytes, count)) < 0) change = err; } snd_i2c_unlock(tea->bus); return change; } #define TEA6330T_MASTER_SWITCH(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_tea6330t_info_master_switch, \ .get = snd_tea6330t_get_master_switch, .put = snd_tea6330t_put_master_switch } |
a5ce88909 [ALSA] Clean up w... |
123 |
#define snd_tea6330t_info_master_switch snd_ctl_boolean_stereo_info |
1da177e4c Linux-2.6.12-rc2 |
124 |
|
97f02e05f [ALSA] Remove xxx... |
125 126 |
static int snd_tea6330t_get_master_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
127 |
{ |
97f02e05f [ALSA] Remove xxx... |
128 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
129 130 131 132 133 134 135 |
snd_i2c_lock(tea->bus); ucontrol->value.integer.value[0] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1; ucontrol->value.integer.value[1] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1; snd_i2c_unlock(tea->bus); return 0; } |
97f02e05f [ALSA] Remove xxx... |
136 137 |
static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
138 |
{ |
97f02e05f [ALSA] Remove xxx... |
139 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
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 |
int change, err; unsigned char bytes[3]; unsigned char oval1, oval2, val1, val2; val1 = ucontrol->value.integer.value[0] & 1; val2 = ucontrol->value.integer.value[1] & 1; snd_i2c_lock(tea->bus); oval1 = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1; oval2 = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1; change = val1 != oval1 || val2 != oval2; tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = val1 ? tea->mleft : 0; tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = val2 ? tea->mright : 0; bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT]; bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT]; if ((err = snd_i2c_sendbytes(tea->device, bytes, 3)) < 0) change = err; snd_i2c_unlock(tea->bus); return change; } #define TEA6330T_BASS(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_tea6330t_info_bass, \ .get = snd_tea6330t_get_bass, .put = snd_tea6330t_put_bass } |
97f02e05f [ALSA] Remove xxx... |
165 166 |
static int snd_tea6330t_info_bass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4c Linux-2.6.12-rc2 |
167 |
{ |
97f02e05f [ALSA] Remove xxx... |
168 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
169 170 171 172 173 174 175 |
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = tea->max_bass; return 0; } |
97f02e05f [ALSA] Remove xxx... |
176 177 |
static int snd_tea6330t_get_bass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
178 |
{ |
97f02e05f [ALSA] Remove xxx... |
179 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
180 181 182 183 |
ucontrol->value.integer.value[0] = tea->bass; return 0; } |
97f02e05f [ALSA] Remove xxx... |
184 185 |
static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
186 |
{ |
97f02e05f [ALSA] Remove xxx... |
187 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 |
int change, err; unsigned char bytes[2]; unsigned char val1; val1 = ucontrol->value.integer.value[0] % (tea->max_bass + 1); snd_i2c_lock(tea->bus); tea->bass = val1; val1 += tea->equalizer ? 7 : 3; change = tea->regs[TEA6330T_SADDR_BASS] != val1; bytes[0] = TEA6330T_SADDR_BASS; bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1; if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) change = err; snd_i2c_unlock(tea->bus); return change; } #define TEA6330T_TREBLE(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_tea6330t_info_treble, \ .get = snd_tea6330t_get_treble, .put = snd_tea6330t_put_treble } |
97f02e05f [ALSA] Remove xxx... |
209 210 |
static int snd_tea6330t_info_treble(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4c Linux-2.6.12-rc2 |
211 |
{ |
97f02e05f [ALSA] Remove xxx... |
212 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
213 214 215 216 217 218 219 |
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = tea->max_treble; return 0; } |
97f02e05f [ALSA] Remove xxx... |
220 221 |
static int snd_tea6330t_get_treble(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
222 |
{ |
97f02e05f [ALSA] Remove xxx... |
223 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
224 225 226 227 |
ucontrol->value.integer.value[0] = tea->treble; return 0; } |
97f02e05f [ALSA] Remove xxx... |
228 229 |
static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4c Linux-2.6.12-rc2 |
230 |
{ |
97f02e05f [ALSA] Remove xxx... |
231 |
struct tea6330t *tea = snd_kcontrol_chip(kcontrol); |
1da177e4c Linux-2.6.12-rc2 |
232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 |
int change, err; unsigned char bytes[2]; unsigned char val1; val1 = ucontrol->value.integer.value[0] % (tea->max_treble + 1); snd_i2c_lock(tea->bus); tea->treble = val1; val1 += 3; change = tea->regs[TEA6330T_SADDR_TREBLE] != val1; bytes[0] = TEA6330T_SADDR_TREBLE; bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1; if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) change = err; snd_i2c_unlock(tea->bus); return change; } |
97f02e05f [ALSA] Remove xxx... |
248 |
static struct snd_kcontrol_new snd_tea6330t_controls[] = { |
1da177e4c Linux-2.6.12-rc2 |
249 250 251 252 253 |
TEA6330T_MASTER_SWITCH("Master Playback Switch", 0), TEA6330T_MASTER_VOLUME("Master Playback Volume", 0), TEA6330T_BASS("Tone Control - Bass", 0), TEA6330T_TREBLE("Tone Control - Treble", 0) }; |
97f02e05f [ALSA] Remove xxx... |
254 |
static void snd_tea6330_free(struct snd_i2c_device *device) |
1da177e4c Linux-2.6.12-rc2 |
255 |
{ |
4d572776d [ALSA] Remove red... |
256 |
kfree(device->private_data); |
1da177e4c Linux-2.6.12-rc2 |
257 258 |
} |
97f02e05f [ALSA] Remove xxx... |
259 260 |
int snd_tea6330t_update_mixer(struct snd_card *card, struct snd_i2c_bus *bus, |
1da177e4c Linux-2.6.12-rc2 |
261 262 |
int equalizer, int fader) { |
97f02e05f [ALSA] Remove xxx... |
263 264 265 |
struct snd_i2c_device *device; struct tea6330t *tea; struct snd_kcontrol_new *knew; |
1da177e4c Linux-2.6.12-rc2 |
266 267 268 269 |
unsigned int idx; int err = -ENOMEM; u8 default_treble, default_bass; unsigned char bytes[7]; |
561b220a4 [ALSA] Replace wi... |
270 |
tea = kzalloc(sizeof(*tea), GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 |
if (tea == NULL) return -ENOMEM; if ((err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device)) < 0) { kfree(tea); return err; } tea->device = device; tea->bus = bus; tea->equalizer = equalizer; tea->fader = fader; device->private_data = tea; device->private_free = snd_tea6330_free; snd_i2c_lock(bus); /* turn fader off and handle equalizer */ tea->regs[TEA6330T_SADDR_FADER] = 0x3f; tea->regs[TEA6330T_SADDR_AUDIO_SWITCH] = equalizer ? 0 : TEA6330T_EQN; /* initialize mixer */ if (!tea->equalizer) { tea->max_bass = 9; tea->max_treble = 8; default_bass = 3 + 4; tea->bass = 4; default_treble = 3 + 4; tea->treble = 4; } else { tea->max_bass = 5; tea->max_treble = 0; default_bass = 7 + 4; tea->bass = 4; default_treble = 3; tea->treble = 0; } tea->mleft = tea->mright = 0x14; tea->regs[TEA6330T_SADDR_BASS] = default_bass; tea->regs[TEA6330T_SADDR_TREBLE] = default_treble; /* compose I2C message and put the hardware to initial state */ bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; for (idx = 0; idx < 6; idx++) bytes[idx+1] = tea->regs[idx]; if ((err = snd_i2c_sendbytes(device, bytes, 7)) < 0) goto __error; strcat(card->mixername, ",TEA6330T"); if ((err = snd_component_add(card, "TEA6330T")) < 0) goto __error; for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) { knew = &snd_tea6330t_controls[idx]; if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble")) continue; if ((err = snd_ctl_add(card, snd_ctl_new1(knew, tea))) < 0) goto __error; } snd_i2c_unlock(bus); return 0; __error: snd_i2c_unlock(bus); snd_i2c_device_free(device); return err; } EXPORT_SYMBOL(snd_tea6330t_detect); EXPORT_SYMBOL(snd_tea6330t_update_mixer); |