diff options
Diffstat (limited to 'sound/soc/qcom/apq8096.c')
| -rw-r--r-- | sound/soc/qcom/apq8096.c | 109 |
1 files changed, 78 insertions, 31 deletions
diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c index fb45f396ab4a..4f6594cc723c 100644 --- a/sound/soc/qcom/apq8096.c +++ b/sound/soc/qcom/apq8096.c @@ -1,14 +1,18 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2018, Linaro Limited +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/of_device.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/pcm.h> #include "common.h" +#define SLIM_MAX_TX_PORTS 16 +#define SLIM_MAX_RX_PORTS 16 +#define WCD9335_DEFAULT_MCLK_RATE 9600000 + static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -23,14 +27,79 @@ static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, return 0; } +static int msm_snd_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS]; + u32 rx_ch_cnt = 0, tx_ch_cnt = 0; + int ret = 0; + + ret = snd_soc_dai_get_channel_map(codec_dai, + &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch); + if (ret != 0 && ret != -ENOTSUPP) { + pr_err("failed to get codec chan map, err:%d\n", ret); + goto end; + } else if (ret == -ENOTSUPP) { + return 0; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, + rx_ch_cnt, rx_ch); + else + ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch, + 0, NULL); + if (ret != 0 && ret != -ENOTSUPP) + pr_err("Failed to set cpu chan map, err:%d\n", ret); + else if (ret == -ENOTSUPP) + ret = 0; +end: + return ret; +} + +static const struct snd_soc_ops apq8096_ops = { + .hw_params = msm_snd_hw_params, +}; + +static int apq8096_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + + /* + * Codec SLIMBUS configuration + * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13 + * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13 + * TX14, TX15, TX16 + */ + unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149, + 150, 151, 152, 153, 154, 155, 156}; + unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133, + 134, 135, 136, 137, 138, 139, + 140, 141, 142, 143}; + + snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch), + tx_ch, ARRAY_SIZE(rx_ch), rx_ch); + + snd_soc_dai_set_sysclk(codec_dai, 0, WCD9335_DEFAULT_MCLK_RATE, + SNDRV_PCM_STREAM_PLAYBACK); + + return 0; +} + static void apq8096_add_be_ops(struct snd_soc_card *card) { struct snd_soc_dai_link *link; int i; for_each_card_prelinks(card, i, link) { - if (link->no_pcm == 1) + if (link->no_pcm == 1) { link->be_hw_params_fixup = apq8096_be_hw_params_fixup; + link->init = apq8096_init; + link->ops = &apq8096_ops; + } } } @@ -40,41 +109,20 @@ static int apq8096_platform_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int ret; - card = kzalloc(sizeof(*card), GFP_KERNEL); + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!card) return -ENOMEM; + card->driver_name = "apq8096"; card->dev = dev; + card->owner = THIS_MODULE; dev_set_drvdata(dev, card); ret = qcom_snd_parse_of(card); - if (ret) { - dev_err(dev, "Error parsing OF data\n"); - goto err; - } - - apq8096_add_be_ops(card); - ret = snd_soc_register_card(card); if (ret) - goto err_card_register; + return ret; - return 0; - -err_card_register: - kfree(card->dai_link); -err: - kfree(card); - return ret; -} - -static int apq8096_platform_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = dev_get_drvdata(&pdev->dev); - - snd_soc_unregister_card(card); - kfree(card->dai_link); - kfree(card); - - return 0; + apq8096_add_be_ops(card); + return devm_snd_soc_register_card(dev, card); } static const struct of_device_id msm_snd_apq8096_dt_match[] = { @@ -86,7 +134,6 @@ MODULE_DEVICE_TABLE(of, msm_snd_apq8096_dt_match); static struct platform_driver msm_snd_apq8096_driver = { .probe = apq8096_platform_probe, - .remove = apq8096_platform_remove, .driver = { .name = "msm-snd-apq8096", .of_match_table = msm_snd_apq8096_dt_match, @@ -95,4 +142,4 @@ static struct platform_driver msm_snd_apq8096_driver = { module_platform_driver(msm_snd_apq8096_driver); MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org"); MODULE_DESCRIPTION("APQ8096 ASoC Machine Driver"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("GPL"); |