^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) STMicroelectronics SA 2015
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Authors: Arnaud Pouliquen <arnaud.pouliquen@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * for STMicroelectronics.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/pinctrl/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "uniperif.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * User frame size shall be 2, 4, 6 or 8 32-bits words length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * (i.e. 8, 16, 24 or 32 bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * This constraint comes from allowed values for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * UNIPERIF_I2S_FMT_NUM_CH register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define UNIPERIF_MAX_FRAME_SZ 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define UNIPERIF_ALLOWED_FRAME_SZ (0x08 | 0x10 | 0x18 | UNIPERIF_MAX_FRAME_SZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct sti_uniperiph_dev_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned int id; /* Nb available player instances */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned int version; /* player IP version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned int stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) const char *dai_names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) enum uniperif_type type;
^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 const struct sti_uniperiph_dev_data sti_uniplayer_hdmi = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .stream = SNDRV_PCM_STREAM_PLAYBACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .dai_names = "Uni Player #0 (HDMI)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .type = SND_ST_UNIPERIF_TYPE_HDMI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static const struct sti_uniperiph_dev_data sti_uniplayer_pcm_out = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .stream = SNDRV_PCM_STREAM_PLAYBACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .dai_names = "Uni Player #1 (PCM OUT)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static const struct sti_uniperiph_dev_data sti_uniplayer_dac = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .id = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .stream = SNDRV_PCM_STREAM_PLAYBACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .dai_names = "Uni Player #2 (DAC)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .type = SND_ST_UNIPERIF_TYPE_PCM,
^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 const struct sti_uniperiph_dev_data sti_uniplayer_spdif = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .id = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .version = SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .stream = SNDRV_PCM_STREAM_PLAYBACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .dai_names = "Uni Player #3 (SPDIF)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .type = SND_ST_UNIPERIF_TYPE_SPDIF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static const struct sti_uniperiph_dev_data sti_unireader_pcm_in = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .stream = SNDRV_PCM_STREAM_CAPTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .dai_names = "Uni Reader #0 (PCM IN)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .type = SND_ST_UNIPERIF_TYPE_PCM | SND_ST_UNIPERIF_TYPE_TDM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static const struct sti_uniperiph_dev_data sti_unireader_hdmi_in = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .version = SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .stream = SNDRV_PCM_STREAM_CAPTURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .dai_names = "Uni Reader #1 (HDMI IN)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .type = SND_ST_UNIPERIF_TYPE_PCM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static const struct of_device_id snd_soc_sti_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) { .compatible = "st,stih407-uni-player-hdmi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .data = &sti_uniplayer_hdmi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) { .compatible = "st,stih407-uni-player-pcm-out",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .data = &sti_uniplayer_pcm_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) { .compatible = "st,stih407-uni-player-dac",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .data = &sti_uniplayer_dac
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) { .compatible = "st,stih407-uni-player-spdif",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .data = &sti_uniplayer_spdif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) { .compatible = "st,stih407-uni-reader-pcm_in",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .data = &sti_unireader_pcm_in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) { .compatible = "st,stih407-uni-reader-hdmi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .data = &sti_unireader_hdmi_in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int sti_uniperiph_reset(struct uniperif *uni)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) int count = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /* Reset uniperipheral uni */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) SET_UNIPERIF_SOFT_RST_SOFT_RST(uni);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (uni->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) while (GET_UNIPERIF_SOFT_RST_SOFT_RST(uni) && count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) udelay(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) count--;
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (!count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) dev_err(uni->dev, "Failed to reset uniperif\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return -EIO;
^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) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) unsigned int rx_mask, int slots,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int slot_width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct uniperif *uni = priv->dai_data.uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int i, frame_size, avail_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (!UNIPERIF_TYPE_IS_TDM(uni)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) dev_err(uni->dev, "cpu dai not in tdm mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* store info in unip context */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) uni->tdm_slot.slots = slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) uni->tdm_slot.slot_width = slot_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) /* unip is unidirectionnal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) uni->tdm_slot.mask = (tx_mask != 0) ? tx_mask : rx_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /* number of available timeslots */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) for (i = 0, avail_slots = 0; i < uni->tdm_slot.slots; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if ((uni->tdm_slot.mask >> i) & 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) avail_slots++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) uni->tdm_slot.avail_slots = avail_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* frame size in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) frame_size = uni->tdm_slot.avail_slots * uni->tdm_slot.slot_width / 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* check frame size is allowed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if ((frame_size > UNIPERIF_MAX_FRAME_SZ) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) (frame_size & ~(int)UNIPERIF_ALLOWED_FRAME_SZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) dev_err(uni->dev, "frame size not allowed: %d bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) frame_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) int sti_uniperiph_fix_tdm_chan(struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct snd_pcm_hw_rule *rule)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct uniperif *uni = rule->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct snd_interval t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) t.min = uni->tdm_slot.avail_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) t.max = uni->tdm_slot.avail_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) t.openmin = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) t.openmax = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) t.integer = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return snd_interval_refine(hw_param_interval(params, rule->var), &t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int sti_uniperiph_fix_tdm_format(struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct snd_pcm_hw_rule *rule)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct uniperif *uni = rule->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct snd_mask *maskp = hw_param_mask(params, rule->var);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) u64 format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) switch (uni->tdm_slot.slot_width) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) case 16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) format = SNDRV_PCM_FMTBIT_S16_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) case 32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) format = SNDRV_PCM_FMTBIT_S32_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) dev_err(uni->dev, "format not supported: %d bits\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) uni->tdm_slot.slot_width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) maskp->bits[0] &= (u_int32_t)format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) maskp->bits[1] &= (u_int32_t)(format >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* clear remaining indexes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) memset(maskp->bits + 2, 0, (SNDRV_MASK_MAX - 64) / 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (!maskp->bits[0] && !maskp->bits[1])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) int sti_uniperiph_get_tdm_word_pos(struct uniperif *uni,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) unsigned int *word_pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int slot_width = uni->tdm_slot.slot_width / 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int slots_num = uni->tdm_slot.slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) unsigned int slots_mask = uni->tdm_slot.mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) int i, j, k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) unsigned int word16_pos[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* word16_pos:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * word16_pos[0] = WORDX_LSB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * word16_pos[1] = WORDX_MSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) * word16_pos[2] = WORDX+1_LSB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * word16_pos[3] = WORDX+1_MSB
^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) /* set unip word position */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) for (i = 0, j = 0, k = 0; (i < slots_num) && (k < WORD_MAX); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if ((slots_mask >> i) & 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) word16_pos[j] = i * slot_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (slot_width == 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) word16_pos[j + 1] = word16_pos[j] + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (j > 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) word_pos[k] = word16_pos[1] |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) (word16_pos[0] << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) (word16_pos[3] << 16) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) (word16_pos[2] << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) k++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^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) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * sti_uniperiph_dai_create_ctrl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * This function is used to create Ctrl associated to DAI but also pcm device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * Request is done by front end to associate ctrl with pcm device id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static int sti_uniperiph_dai_create_ctrl(struct snd_soc_dai *dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) struct uniperif *uni = priv->dai_data.uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) struct snd_kcontrol_new *ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) if (!uni->num_ctrls)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) for (i = 0; i < uni->num_ctrls; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * Several Control can have same name. Controls are indexed on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * Uniperipheral instance ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) ctrl = &uni->snd_ctrls[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ctrl->index = uni->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) ctrl->device = uni->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return snd_soc_add_dai_controls(dai, uni->snd_ctrls, uni->num_ctrls);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^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) * DAI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) struct snd_soc_dai *dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct uniperif *uni = priv->dai_data.uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) struct snd_dmaengine_dai_dma_data *dma_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) int transfer_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (uni->type == SND_ST_UNIPERIF_TYPE_TDM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /* transfer size = user frame size (in 32-bits FIFO cell) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) transfer_size = snd_soc_params_to_frame_size(params) / 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) transfer_size = params_channels(params) * UNIPERIF_FIFO_FRAMES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) dma_data = snd_soc_dai_get_dma_data(dai, substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) dma_data->maxburst = transfer_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) priv->dai_data.uni->daifmt = fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) static int sti_uniperiph_suspend(struct snd_soc_component *component)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct sti_uniperiph_data *priv = snd_soc_component_get_drvdata(component);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) struct uniperif *uni = priv->dai_data.uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) /* The uniperipheral should be in stopped state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (uni->state != UNIPERIF_STATE_STOPPED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) dev_err(uni->dev, "%s: invalid uni state( %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) __func__, (int)uni->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /* Pinctrl: switch pinstate to sleep */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) ret = pinctrl_pm_select_sleep_state(uni->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) dev_err(uni->dev, "%s: failed to select pinctrl state\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static int sti_uniperiph_resume(struct snd_soc_component *component)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct sti_uniperiph_data *priv = snd_soc_component_get_drvdata(component);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct uniperif *uni = priv->dai_data.uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) ret = uni_player_resume(uni);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) /* pinctrl: switch pinstate to default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ret = pinctrl_pm_select_default_state(uni->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) dev_err(uni->dev, "%s: failed to select pinctrl state\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static int sti_uniperiph_dai_probe(struct snd_soc_dai *dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct sti_uniperiph_dai *dai_data = &priv->dai_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) /* DMA settings*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) snd_soc_dai_init_dma_data(dai, &dai_data->dma_data, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) snd_soc_dai_init_dma_data(dai, NULL, &dai_data->dma_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) dai_data->dma_data.addr = dai_data->uni->fifo_phys_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) dai_data->dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return sti_uniperiph_dai_create_ctrl(dai);
^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) static const struct snd_soc_dai_driver sti_uniperiph_dai_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) .probe = sti_uniperiph_dai_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) static const struct snd_soc_component_driver sti_uniperiph_dai_component = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) .name = "sti_cpu_dai",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) .suspend = sti_uniperiph_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) .resume = sti_uniperiph_resume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) static int sti_uniperiph_cpu_dai_of(struct device_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct sti_uniperiph_data *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct device *dev = &priv->pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) struct sti_uniperiph_dai *dai_data = &priv->dai_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) struct snd_soc_dai_driver *dai = priv->dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) struct snd_soc_pcm_stream *stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) struct uniperif *uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) const struct of_device_id *of_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) const struct sti_uniperiph_dev_data *dev_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) const char *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) /* Populate data structure depending on compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) of_id = of_match_node(snd_soc_sti_match, node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (!of_id->data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) dev_err(dev, "data associated to device is missing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) dev_data = (struct sti_uniperiph_dev_data *)of_id->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) uni = devm_kzalloc(dev, sizeof(*uni), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) if (!uni)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) uni->id = dev_data->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) uni->ver = dev_data->version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) *dai = sti_uniperiph_dai_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) dai->name = dev_data->dai_names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) /* Get resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (!uni->mem_region) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) dev_err(dev, "Failed to get memory resource\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) uni->base = devm_ioremap_resource(dev, uni->mem_region);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (IS_ERR(uni->base))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) return PTR_ERR(uni->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) uni->fifo_phys_address = uni->mem_region->start +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) UNIPERIF_FIFO_DATA_OFFSET(uni);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) uni->irq = platform_get_irq(priv->pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (uni->irq < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) uni->type = dev_data->type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) /* check if player should be configured for tdm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (dev_data->type & SND_ST_UNIPERIF_TYPE_TDM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (!of_property_read_string(node, "st,tdm-mode", &mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) uni->type = SND_ST_UNIPERIF_TYPE_TDM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) uni->type = SND_ST_UNIPERIF_TYPE_PCM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) dai_data->uni = uni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) dai_data->stream = dev_data->stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) ret = uni_player_init(priv->pdev, uni);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) stream = &dai->playback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ret = uni_reader_init(priv->pdev, uni);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) stream = &dai->capture;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) dai->ops = uni->dai_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) stream->stream_name = dai->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) stream->channels_min = uni->hw->channels_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) stream->channels_max = uni->hw->channels_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) stream->rates = uni->hw->rates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) stream->formats = uni->hw->formats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) static const struct snd_dmaengine_pcm_config dmaengine_pcm_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) static int sti_uniperiph_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct sti_uniperiph_data *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) struct device_node *node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) /* Allocate the private data and the CPU_DAI array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) priv->dai = devm_kzalloc(&pdev->dev, sizeof(*priv->dai), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (!priv->dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) priv->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) ret = sti_uniperiph_cpu_dai_of(node, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) dev_set_drvdata(&pdev->dev, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) ret = devm_snd_soc_register_component(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) &sti_uniperiph_dai_component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) priv->dai, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return devm_snd_dmaengine_pcm_register(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) &dmaengine_pcm_config, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) static struct platform_driver sti_uniperiph_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) .name = "sti-uniperiph-dai",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) .of_match_table = snd_soc_sti_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) .probe = sti_uniperiph_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) module_platform_driver(sti_uniperiph_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) MODULE_DESCRIPTION("uniperipheral DAI driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) MODULE_AUTHOR("Arnaud Pouliquen <arnaud.pouliquen@st.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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