^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __SOUND_PCM_PARAMS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __SOUND_PCM_PARAMS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * PCM params helpers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) snd_pcm_hw_param_t var, int *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) snd_pcm_hw_param_t var, int *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) snd_pcm_hw_param_t var, int *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define SNDRV_MASK_BITS 64 /* we use so far 64bits only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define SNDRV_MASK_SIZE (SNDRV_MASK_BITS / 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define MASK_OFS(i) ((i) >> 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define MASK_BIT(i) (1U << ((i) & 31))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static inline void snd_mask_none(struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) memset(mask, 0, sizeof(*mask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline void snd_mask_any(struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) memset(mask, 0xff, SNDRV_MASK_SIZE * sizeof(u_int32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static inline int snd_mask_empty(const struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) for (i = 0; i < SNDRV_MASK_SIZE; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) if (mask->bits[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static inline unsigned int snd_mask_min(const struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) for (i = 0; i < SNDRV_MASK_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (mask->bits[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return __ffs(mask->bits[i]) + (i << 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static inline unsigned int snd_mask_max(const struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) for (i = SNDRV_MASK_SIZE - 1; i >= 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (mask->bits[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return __fls(mask->bits[i]) + (i << 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static inline void snd_mask_set(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) mask->bits[MASK_OFS(val)] |= MASK_BIT(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* Most of drivers need only this one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static inline void snd_mask_set_format(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) snd_pcm_format_t format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) snd_mask_set(mask, (__force unsigned int)format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static inline void snd_mask_reset(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static inline void snd_mask_set_range(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) unsigned int from, unsigned int to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) for (i = from; i <= to; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) mask->bits[MASK_OFS(i)] |= MASK_BIT(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static inline void snd_mask_reset_range(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) unsigned int from, unsigned int to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) for (i = from; i <= to; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) v = mask->bits[MASK_OFS(val)] & MASK_BIT(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) snd_mask_none(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) mask->bits[MASK_OFS(val)] = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static inline void snd_mask_intersect(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) const struct snd_mask *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) for (i = 0; i < SNDRV_MASK_SIZE; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) mask->bits[i] &= v->bits[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static inline int snd_mask_eq(const struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) const struct snd_mask *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ! memcmp(mask, v, SNDRV_MASK_SIZE * sizeof(u_int32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static inline void snd_mask_copy(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) const struct snd_mask *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) *mask = *v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return mask->bits[MASK_OFS(val)] & MASK_BIT(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) /* Most of drivers need only this one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static inline int snd_mask_test_format(const struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) snd_pcm_format_t format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return snd_mask_test(mask, (__force unsigned int)format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static inline int snd_mask_single(const struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int i, c = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) for (i = 0; i < SNDRV_MASK_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (! mask->bits[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (mask->bits[i] & (mask->bits[i] - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) c++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static inline int snd_mask_refine(struct snd_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) const struct snd_mask *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct snd_mask old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) snd_mask_copy(&old, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) snd_mask_intersect(mask, v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (snd_mask_empty(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return !snd_mask_eq(mask, &old);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static inline int snd_mask_refine_first(struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (snd_mask_single(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) snd_mask_leave(mask, snd_mask_min(mask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static inline int snd_mask_refine_last(struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (snd_mask_single(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) snd_mask_leave(mask, snd_mask_max(mask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static inline int snd_mask_refine_min(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (snd_mask_min(mask) >= val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) snd_mask_reset_range(mask, 0, val - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (snd_mask_empty(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static inline int snd_mask_refine_max(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (snd_mask_max(mask) <= val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (snd_mask_empty(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static inline int snd_mask_refine_set(struct snd_mask *mask, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) changed = !snd_mask_single(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) snd_mask_leave(mask, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) if (snd_mask_empty(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static inline int snd_mask_value(const struct snd_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return snd_mask_min(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static inline void snd_interval_any(struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) i->min = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) i->openmin = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) i->max = UINT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) i->openmax = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) i->integer = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) i->empty = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static inline void snd_interval_none(struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) i->empty = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static inline int snd_interval_checkempty(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return (i->min > i->max ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) (i->min == i->max && (i->openmin || i->openmax)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static inline int snd_interval_empty(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return i->empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static inline int snd_interval_single(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return (i->min == i->max ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) (i->min + 1 == i->max && (i->openmin || i->openmax)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static inline int snd_interval_value(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (i->openmin && !i->openmax)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return i->max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return i->min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static inline int snd_interval_min(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return i->min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static inline int snd_interval_max(const struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) v = i->max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (i->openmax)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) v--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static inline int snd_interval_test(const struct snd_interval *i, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) return !((i->min > val || (i->min == val && i->openmin) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) i->max < val || (i->max == val && i->openmax)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) static inline void snd_interval_copy(struct snd_interval *d, const struct snd_interval *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) *d = *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static inline int snd_interval_setinteger(struct snd_interval *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (i->integer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (i->openmin && i->openmax && i->min == i->max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) i->integer = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static inline int snd_interval_eq(const struct snd_interval *i1, const struct snd_interval *i2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (i1->empty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return i2->empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) if (i2->empty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return i1->empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return i1->min == i2->min && i1->openmin == i2->openmin &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) i1->max == i2->max && i1->openmax == i2->openmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * params_access - get the access type from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static inline snd_pcm_access_t params_access(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return (__force snd_pcm_access_t)snd_mask_min(hw_param_mask_c(p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) SNDRV_PCM_HW_PARAM_ACCESS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * params_format - get the sample format from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) static inline snd_pcm_format_t params_format(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) return (__force snd_pcm_format_t)snd_mask_min(hw_param_mask_c(p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) SNDRV_PCM_HW_PARAM_FORMAT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * params_subformat - get the sample subformat from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static inline snd_pcm_subformat_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) params_subformat(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return (__force snd_pcm_subformat_t)snd_mask_min(hw_param_mask_c(p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) SNDRV_PCM_HW_PARAM_SUBFORMAT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) * params_period_bytes - get the period size (in bytes) from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) static inline unsigned int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) params_period_bytes(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) return hw_param_interval_c(p, SNDRV_PCM_HW_PARAM_PERIOD_BYTES)->min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * params_width - get the number of bits of the sample format from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) * This function returns the number of bits per sample that the selected sample
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * format of the hw params has.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static inline int params_width(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return snd_pcm_format_width(params_format(p));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * params_physical_width - get the storage size of the sample format from the hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) * @p: hw params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * This functions returns the number of bits per sample that the selected sample
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) * format of the hw params takes up in memory. This will be equal or larger than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) * params_width().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) static inline int params_physical_width(const struct snd_pcm_hw_params *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return snd_pcm_format_physical_width(params_format(p));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) params_set_format(struct snd_pcm_hw_params *p, snd_pcm_format_t fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) snd_mask_set_format(hw_param_mask(p, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #endif /* __SOUND_PCM_PARAMS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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