diff options
Diffstat (limited to 'sound/soc/ti/j721e-evm.c')
| -rw-r--r-- | sound/soc/ti/j721e-evm.c | 896 |
1 files changed, 896 insertions, 0 deletions
diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c new file mode 100644 index 000000000000..cb074af47a7d --- /dev/null +++ b/sound/soc/ti/j721e-evm.c @@ -0,0 +1,896 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com + * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> + */ + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "davinci-mcasp.h" + +/* + * Maximum number of configuration entries for prefixes: + * CPB: 2 (mcasp10 + codec) + * IVI: 3 (mcasp0 + 2x codec) + */ +#define J721E_CODEC_CONF_COUNT 5 + +#define J721E_AUDIO_DOMAIN_CPB 0 +#define J721E_AUDIO_DOMAIN_IVI 1 + +#define J721E_CLK_PARENT_48000 0 +#define J721E_CLK_PARENT_44100 1 + +#define J721E_MAX_CLK_HSDIV 128 +#define PCM1368A_MAX_SYSCLK 36864000 + +#define J721E_DAI_FMT (SND_SOC_DAIFMT_RIGHT_J | \ + SND_SOC_DAIFMT_NB_NF | \ + SND_SOC_DAIFMT_CBS_CFS) + +enum j721e_board_type { + J721E_BOARD_CPB = 1, + J721E_BOARD_CPB_IVI, +}; + +struct j721e_audio_match_data { + enum j721e_board_type board_type; + int num_links; + unsigned int pll_rates[2]; +}; + +static unsigned int ratios_for_pcm3168a[] = { + 256, + 512, + 768, +}; + +struct j721e_audio_clocks { + struct clk *target; + struct clk *parent[2]; +}; + +struct j721e_audio_domain { + struct j721e_audio_clocks codec; + struct j721e_audio_clocks mcasp; + int parent_clk_id; + + int active; + unsigned int active_link; + unsigned int rate; +}; + +struct j721e_priv { + struct device *dev; + struct snd_soc_card card; + struct snd_soc_dai_link *dai_links; + struct snd_soc_codec_conf codec_conf[J721E_CODEC_CONF_COUNT]; + struct snd_interval rate_range; + const struct j721e_audio_match_data *match_data; + u32 pll_rates[2]; + unsigned int hsdiv_rates[2]; + + struct j721e_audio_domain audio_domains[2]; + + struct mutex mutex; +}; + +static const struct snd_soc_dapm_widget j721e_cpb_dapm_widgets[] = { + SND_SOC_DAPM_HP("CPB Stereo HP 1", NULL), + SND_SOC_DAPM_HP("CPB Stereo HP 2", NULL), + SND_SOC_DAPM_HP("CPB Stereo HP 3", NULL), + SND_SOC_DAPM_LINE("CPB Line Out", NULL), + SND_SOC_DAPM_MIC("CPB Stereo Mic 1", NULL), + SND_SOC_DAPM_MIC("CPB Stereo Mic 2", NULL), + SND_SOC_DAPM_LINE("CPB Line In", NULL), +}; + +static const struct snd_soc_dapm_route j721e_cpb_dapm_routes[] = { + {"CPB Stereo HP 1", NULL, "codec-1 AOUT1L"}, + {"CPB Stereo HP 1", NULL, "codec-1 AOUT1R"}, + {"CPB Stereo HP 2", NULL, "codec-1 AOUT2L"}, + {"CPB Stereo HP 2", NULL, "codec-1 AOUT2R"}, + {"CPB Stereo HP 3", NULL, "codec-1 AOUT3L"}, + {"CPB Stereo HP 3", NULL, "codec-1 AOUT3R"}, + {"CPB Line Out", NULL, "codec-1 AOUT4L"}, + {"CPB Line Out", NULL, "codec-1 AOUT4R"}, + + {"codec-1 AIN1L", NULL, "CPB Stereo Mic 1"}, + {"codec-1 AIN1R", NULL, "CPB Stereo Mic 1"}, + {"codec-1 AIN2L", NULL, "CPB Stereo Mic 2"}, + {"codec-1 AIN2R", NULL, "CPB Stereo Mic 2"}, + {"codec-1 AIN3L", NULL, "CPB Line In"}, + {"codec-1 AIN3R", NULL, "CPB Line In"}, +}; + +static const struct snd_soc_dapm_widget j721e_ivi_codec_a_dapm_widgets[] = { + SND_SOC_DAPM_LINE("IVI A Line Out 1", NULL), + SND_SOC_DAPM_LINE("IVI A Line Out 2", NULL), + SND_SOC_DAPM_LINE("IVI A Line Out 3", NULL), + SND_SOC_DAPM_LINE("IVI A Line Out 4", NULL), + SND_SOC_DAPM_MIC("IVI A Stereo Mic 1", NULL), + SND_SOC_DAPM_MIC("IVI A Stereo Mic 2", NULL), + SND_SOC_DAPM_LINE("IVI A Line In", NULL), +}; + +static const struct snd_soc_dapm_route j721e_codec_a_dapm_routes[] = { + {"IVI A Line Out 1", NULL, "codec-a AOUT1L"}, + {"IVI A Line Out 1", NULL, "codec-a AOUT1R"}, + {"IVI A Line Out 2", NULL, "codec-a AOUT2L"}, + {"IVI A Line Out 2", NULL, "codec-a AOUT2R"}, + {"IVI A Line Out 3", NULL, "codec-a AOUT3L"}, + {"IVI A Line Out 3", NULL, "codec-a AOUT3R"}, + {"IVI A Line Out 4", NULL, "codec-a AOUT4L"}, + {"IVI A Line Out 4", NULL, "codec-a AOUT4R"}, + + {"codec-a AIN1L", NULL, "IVI A Stereo Mic 1"}, + {"codec-a AIN1R", NULL, "IVI A Stereo Mic 1"}, + {"codec-a AIN2L", NULL, "IVI A Stereo Mic 2"}, + {"codec-a AIN2R", NULL, "IVI A Stereo Mic 2"}, + {"codec-a AIN3L", NULL, "IVI A Line In"}, + {"codec-a AIN3R", NULL, "IVI A Line In"}, +}; + +static const struct snd_soc_dapm_widget j721e_ivi_codec_b_dapm_widgets[] = { + SND_SOC_DAPM_LINE("IVI B Line Out 1", NULL), + SND_SOC_DAPM_LINE("IVI B Line Out 2", NULL), + SND_SOC_DAPM_LINE("IVI B Line Out 3", NULL), + SND_SOC_DAPM_LINE("IVI B Line Out 4", NULL), + SND_SOC_DAPM_MIC("IVI B Stereo Mic 1", NULL), + SND_SOC_DAPM_MIC("IVI B Stereo Mic 2", NULL), + SND_SOC_DAPM_LINE("IVI B Line In", NULL), +}; + +static const struct snd_soc_dapm_route j721e_codec_b_dapm_routes[] = { + {"IVI B Line Out 1", NULL, "codec-b AOUT1L"}, + {"IVI B Line Out 1", NULL, "codec-b AOUT1R"}, + {"IVI B Line Out 2", NULL, "codec-b AOUT2L"}, + {"IVI B Line Out 2", NULL, "codec-b AOUT2R"}, + {"IVI B Line Out 3", NULL, "codec-b AOUT3L"}, + {"IVI B Line Out 3", NULL, "codec-b AOUT3R"}, + {"IVI B Line Out 4", NULL, "codec-b AOUT4L"}, + {"IVI B Line Out 4", NULL, "codec-b AOUT4R"}, + + {"codec-b AIN1L", NULL, "IVI B Stereo Mic 1"}, + {"codec-b AIN1R", NULL, "IVI B Stereo Mic 1"}, + {"codec-b AIN2L", NULL, "IVI B Stereo Mic 2"}, + {"codec-b AIN2R", NULL, "IVI B Stereo Mic 2"}, + {"codec-b AIN3L", NULL, "IVI B Line In"}, + {"codec-b AIN3R", NULL, "IVI B Line In"}, +}; + +static int j721e_configure_refclk(struct j721e_priv *priv, + unsigned int audio_domain, unsigned int rate) +{ + struct j721e_audio_domain *domain = &priv->audio_domains[audio_domain]; + unsigned int scki; + int ret = -EINVAL; + int i, clk_id; + + if (!(rate % 8000) && priv->pll_rates[J721E_CLK_PARENT_48000]) + clk_id = J721E_CLK_PARENT_48000; + else if (!(rate % 11025) && priv->pll_rates[J721E_CLK_PARENT_44100]) + clk_id = J721E_CLK_PARENT_44100; + else + return ret; + + for (i = 0; i < ARRAY_SIZE(ratios_for_pcm3168a); i++) { + scki = ratios_for_pcm3168a[i] * rate; + + if (priv->pll_rates[clk_id] / scki <= J721E_MAX_CLK_HSDIV) { + ret = 0; + break; + } + } + + if (ret) { + dev_err(priv->dev, "No valid clock configuration for %u Hz\n", + rate); + return ret; + } + + if (priv->hsdiv_rates[domain->parent_clk_id] != scki) { + dev_dbg(priv->dev, + "%s configuration for %u Hz: %s, %dxFS (SCKI: %u Hz)\n", + audio_domain == J721E_AUDIO_DOMAIN_CPB ? "CPB" : "IVI", + rate, + clk_id == J721E_CLK_PARENT_48000 ? "PLL4" : "PLL15", + ratios_for_pcm3168a[i], scki); + + if (domain->parent_clk_id != clk_id) { + ret = clk_set_parent(domain->codec.target, + domain->codec.parent[clk_id]); + if (ret) + return ret; + + ret = clk_set_parent(domain->mcasp.target, + domain->mcasp.parent[clk_id]); + if (ret) + return ret; + + domain->parent_clk_id = clk_id; + } + + ret = clk_set_rate(domain->codec.target, scki); + if (ret) { + dev_err(priv->dev, "codec set rate failed for %u Hz\n", + scki); + return ret; + } + + ret = clk_set_rate(domain->mcasp.target, scki); + if (!ret) { + priv->hsdiv_rates[domain->parent_clk_id] = scki; + } else { + dev_err(priv->dev, "mcasp set rate failed for %u Hz\n", + scki); + return ret; + } + } + + return ret; +} + +static int j721e_rule_rate(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct snd_interval *t = rule->private; + + return snd_interval_refine(hw_param_interval(params, rule->var), t); +} + +static int j721e_audio_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card); + unsigned int domain_id = rtd->dai_link->id; + struct j721e_audio_domain *domain = &priv->audio_domains[domain_id]; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai; + unsigned int active_rate; + int ret = 0; + int i; + + mutex_lock(&priv->mutex); + + domain->active++; + + if (priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].rate) + active_rate = priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].rate; + else + active_rate = priv->audio_domains[J721E_AUDIO_DOMAIN_IVI].rate; + + if (active_rate) + ret = snd_pcm_hw_constraint_single(substream->runtime, + SNDRV_PCM_HW_PARAM_RATE, + active_rate); + else + ret = snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + j721e_rule_rate, &priv->rate_range, + SNDRV_PCM_HW_PARAM_RATE, -1); + + mutex_unlock(&priv->mutex); + + if (ret) + return ret; + + /* Reset TDM slots to 32 */ + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32); + if (ret && ret != -ENOTSUPP) + return ret; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32); + if (ret && ret != -ENOTSUPP) + return ret; + } + + return 0; +} + +static int j721e_audio_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_card *card = rtd->card; + struct j721e_priv *priv = snd_soc_card_get_drvdata(card); + unsigned int domain_id = rtd->dai_link->id; + struct j721e_audio_domain *domain = &priv->audio_domains[domain_id]; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai; + unsigned int sysclk_rate; + int slot_width = 32; + int ret; + int i; + + mutex_lock(&priv->mutex); + + if (domain->rate && domain->rate != params_rate(params)) { + ret = -EINVAL; + goto out; + } + + if (params_width(params) == 16) + slot_width = 16; + + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, slot_width); + if (ret && ret != -ENOTSUPP) + goto out; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, + slot_width); + if (ret && ret != -ENOTSUPP) + goto out; + } + + ret = j721e_configure_refclk(priv, domain_id, params_rate(params)); + if (ret) + goto out; + + sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id]; + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk_rate, + SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) { + dev_err(priv->dev, + "codec set_sysclk failed for %u Hz\n", + sysclk_rate); + goto out; + } + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK, + sysclk_rate, SND_SOC_CLOCK_IN); + + if (ret && ret != -ENOTSUPP) { + dev_err(priv->dev, "mcasp set_sysclk failed for %u Hz\n", + sysclk_rate); + } else { + domain->rate = params_rate(params); + ret = 0; + } + +out: + mutex_unlock(&priv->mutex); + return ret; +} + +static void j721e_audio_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card); + unsigned int domain_id = rtd->dai_link->id; + struct j721e_audio_domain *domain = &priv->audio_domains[domain_id]; + + mutex_lock(&priv->mutex); + + domain->active--; + if (!domain->active) { + domain->rate = 0; + domain->active_link = 0; + } + + mutex_unlock(&priv->mutex); +} + +static const struct snd_soc_ops j721e_audio_ops = { + .startup = j721e_audio_startup, + .hw_params = j721e_audio_hw_params, + .shutdown = j721e_audio_shutdown, +}; + +static int j721e_audio_init(struct snd_soc_pcm_runtime *rtd) +{ + struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card); + unsigned int domain_id = rtd->dai_link->id; + struct j721e_audio_domain *domain = &priv->audio_domains[domain_id]; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai; + unsigned int sysclk_rate; + int i, ret; + + /* Set up initial clock configuration */ + ret = j721e_configure_refclk(priv, domain_id, 48000); + if (ret) + return ret; + + sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id]; + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk_rate, + SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) + return ret; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK, + sysclk_rate, SND_SOC_CLOCK_IN); + if (ret && ret != -ENOTSUPP) + return ret; + + /* Set initial tdm slots */ + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32); + if (ret && ret != -ENOTSUPP) + return ret; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32); + if (ret && ret != -ENOTSUPP) + return ret; + } + + return 0; +} + +static int j721e_audio_init_ivi(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dapm_context *dapm = &rtd->card->dapm; + + snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_a_dapm_widgets, + ARRAY_SIZE(j721e_ivi_codec_a_dapm_widgets)); + snd_soc_dapm_add_routes(dapm, j721e_codec_a_dapm_routes, + ARRAY_SIZE(j721e_codec_a_dapm_routes)); + snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_b_dapm_widgets, + ARRAY_SIZE(j721e_ivi_codec_b_dapm_widgets)); + snd_soc_dapm_add_routes(dapm, j721e_codec_b_dapm_routes, + ARRAY_SIZE(j721e_codec_b_dapm_routes)); + + return j721e_audio_init(rtd); +} + +static int j721e_get_clocks(struct device *dev, + struct j721e_audio_clocks *clocks, char *prefix) +{ + struct clk *parent; + char *clk_name; + int ret; + + clocks->target = devm_clk_get(dev, prefix); + if (IS_ERR(clocks->target)) { + ret = PTR_ERR(clocks->target); + if (ret != -EPROBE_DEFER) + dev_err(dev, "failed to acquire %s: %d\n", + prefix, ret); + return ret; + } + + clk_name = kasprintf(GFP_KERNEL, "%s-48000", prefix); + if (clk_name) { + parent = devm_clk_get(dev, clk_name); + kfree(clk_name); + if (IS_ERR(parent)) { + ret = PTR_ERR(parent); + if (ret == -EPROBE_DEFER) + return ret; + + dev_dbg(dev, "no 48KHz parent for %s: %d\n", prefix, ret); + parent = NULL; + } + clocks->parent[J721E_CLK_PARENT_48000] = parent; + } else { + return -ENOMEM; + } + + clk_name = kasprintf(GFP_KERNEL, "%s-44100", prefix); + if (clk_name) { + parent = devm_clk_get(dev, clk_name); + kfree(clk_name); + if (IS_ERR(parent)) { + ret = PTR_ERR(parent); + if (ret == -EPROBE_DEFER) + return ret; + + dev_dbg(dev, "no 44.1KHz parent for %s: %d\n", prefix, ret); + parent = NULL; + } + clocks->parent[J721E_CLK_PARENT_44100] = parent; + } else { + return -ENOMEM; + } + + if (!clocks->parent[J721E_CLK_PARENT_44100] && + !clocks->parent[J721E_CLK_PARENT_48000]) { + dev_err(dev, "At least one parent clock is needed for %s\n", + prefix); + return -EINVAL; + } + + return 0; +} + +static const struct j721e_audio_match_data j721e_cpb_data = { + .board_type = J721E_BOARD_CPB, + .num_links = 2, /* CPB pcm3168a */ + .pll_rates = { + [J721E_CLK_PARENT_44100] = 1083801600, /* PLL15 */ + [J721E_CLK_PARENT_48000] = 1179648000, /* PLL4 */ + }, +}; + +static const struct j721e_audio_match_data j721e_cpb_ivi_data = { + .board_type = J721E_BOARD_CPB_IVI, + .num_links = 4, /* CPB pcm3168a + 2x pcm3168a on IVI */ + .pll_rates = { + [J721E_CLK_PARENT_44100] = 1083801600, /* PLL15 */ + [J721E_CLK_PARENT_48000] = 1179648000, /* PLL4 */ + }, +}; + +static const struct of_device_id j721e_audio_of_match[] = { + { + .compatible = "ti,j721e-cpb-audio", + .data = &j721e_cpb_data, + }, { + .compatible = "ti,j721e-cpb-ivi-audio", + .data = &j721e_cpb_ivi_data, + }, + { }, +}; +MODULE_DEVICE_TABLE(of, j721e_audio_of_match); + +static int j721e_calculate_rate_range(struct j721e_priv *priv) +{ + const struct j721e_audio_match_data *match_data = priv->match_data; + struct j721e_audio_clocks *domain_clocks; + unsigned int min_rate, max_rate, pll_rate; + struct clk *pll; + + domain_clocks = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].mcasp; + + pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_44100]); + if (IS_ERR_OR_NULL(pll)) { + priv->pll_rates[J721E_CLK_PARENT_44100] = + match_data->pll_rates[J721E_CLK_PARENT_44100]; + } else { + priv->pll_rates[J721E_CLK_PARENT_44100] = clk_get_rate(pll); + clk_put(pll); + } + + pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_48000]); + if (IS_ERR_OR_NULL(pll)) { + priv->pll_rates[J721E_CLK_PARENT_48000] = + match_data->pll_rates[J721E_CLK_PARENT_48000]; + } else { + priv->pll_rates[J721E_CLK_PARENT_48000] = clk_get_rate(pll); + clk_put(pll); + } + + if (!priv->pll_rates[J721E_CLK_PARENT_44100] && + !priv->pll_rates[J721E_CLK_PARENT_48000]) { + dev_err(priv->dev, "At least one PLL is needed\n"); + return -EINVAL; + } + + if (priv->pll_rates[J721E_CLK_PARENT_44100]) + pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100]; + else + pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000]; + + min_rate = pll_rate / J721E_MAX_CLK_HSDIV; + min_rate /= ratios_for_pcm3168a[ARRAY_SIZE(ratios_for_pcm3168a) - 1]; + + if (priv->pll_rates[J721E_CLK_PARENT_48000]) + pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000]; + else + pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100]; + + if (pll_rate > PCM1368A_MAX_SYSCLK) + pll_rate = PCM1368A_MAX_SYSCLK; + + max_rate = pll_rate / ratios_for_pcm3168a[0]; + + snd_interval_any(&priv->rate_range); + priv->rate_range.min = min_rate; + priv->rate_range.max = max_rate; + + return 0; +} + +static int j721e_soc_probe_cpb(struct j721e_priv *priv, int *link_idx, + int *conf_idx) +{ + struct device_node *node = priv->dev->of_node; + struct snd_soc_dai_link_component *compnent; + struct device_node *dai_node, *codec_node; + struct j721e_audio_domain *domain; + int comp_count, comp_idx; + int ret; + + dai_node = of_parse_phandle(node, "ti,cpb-mcasp", 0); + if (!dai_node) { + dev_err(priv->dev, "CPB McASP node is not provided\n"); + return -EINVAL; + } + + codec_node = of_parse_phandle(node, "ti,cpb-codec", 0); + if (!codec_node) { + dev_err(priv->dev, "CPB codec node is not provided\n"); + return -EINVAL; + } + + domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB]; + ret = j721e_get_clocks(priv->dev, &domain->codec, "cpb-codec-scki"); + if (ret) + return ret; + + ret = j721e_get_clocks(priv->dev, &domain->mcasp, "cpb-mcasp-auxclk"); + if (ret) + return ret; + + /* + * Common Processor Board, two links + * Link 1: McASP10 -> pcm3168a_1 DAC + * Link 2: McASP10 <- pcm3168a_1 ADC + */ + comp_count = 6; + compnent = devm_kzalloc(priv->dev, comp_count * sizeof(*compnent), + GFP_KERNEL); + if (!compnent) + return -ENOMEM; + + comp_idx = 0; + priv->dai_links[*link_idx].cpus = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_cpus = 1; + priv->dai_links[*link_idx].codecs = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_codecs = 1; + priv->dai_links[*link_idx].platforms = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_platforms = 1; + + priv->dai_links[*link_idx].name = "CPB PCM3168A Playback"; + priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog"; + priv->dai_links[*link_idx].cpus->of_node = dai_node; + priv->dai_links[*link_idx].platforms->of_node = dai_node; + priv->dai_links[*link_idx].codecs->of_node = codec_node; + priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-dac"; + priv->dai_links[*link_idx].playback_only = 1; + priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB; + priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT; + priv->dai_links[*link_idx].init = j721e_audio_init; + priv->dai_links[*link_idx].ops = &j721e_audio_ops; + (*link_idx)++; + + priv->dai_links[*link_idx].cpus = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_cpus = 1; + priv->dai_links[*link_idx].codecs = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_codecs = 1; + priv->dai_links[*link_idx].platforms = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_platforms = 1; + + priv->dai_links[*link_idx].name = "CPB PCM3168A Capture"; + priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog"; + priv->dai_links[*link_idx].cpus->of_node = dai_node; + priv->dai_links[*link_idx].platforms->of_node = dai_node; + priv->dai_links[*link_idx].codecs->of_node = codec_node; + priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-adc"; + priv->dai_links[*link_idx].capture_only = 1; + priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB; + priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT; + priv->dai_links[*link_idx].init = j721e_audio_init; + priv->dai_links[*link_idx].ops = &j721e_audio_ops; + (*link_idx)++; + + priv->codec_conf[*conf_idx].dlc.of_node = codec_node; + priv->codec_conf[*conf_idx].name_prefix = "codec-1"; + (*conf_idx)++; + priv->codec_conf[*conf_idx].dlc.of_node = dai_node; + priv->codec_conf[*conf_idx].name_prefix = "McASP10"; + (*conf_idx)++; + + return 0; +} + +static int j721e_soc_probe_ivi(struct j721e_priv *priv, int *link_idx, + int *conf_idx) +{ + struct device_node *node = priv->dev->of_node; + struct snd_soc_dai_link_component *compnent; + struct device_node *dai_node, *codeca_node, *codecb_node; + struct j721e_audio_domain *domain; + int comp_count, comp_idx; + int ret; + + if (priv->match_data->board_type != J721E_BOARD_CPB_IVI) + return 0; + + dai_node = of_parse_phandle(node, "ti,ivi-mcasp", 0); + if (!dai_node) { + dev_err(priv->dev, "IVI McASP node is not provided\n"); + return -EINVAL; + } + + codeca_node = of_parse_phandle(node, "ti,ivi-codec-a", 0); + if (!codeca_node) { + dev_err(priv->dev, "IVI codec-a node is not provided\n"); + return -EINVAL; + } + + codecb_node = of_parse_phandle(node, "ti,ivi-codec-b", 0); + if (!codecb_node) { + dev_warn(priv->dev, "IVI codec-b node is not provided\n"); + return 0; + } + + domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_IVI]; + ret = j721e_get_clocks(priv->dev, &domain->codec, "ivi-codec-scki"); + if (ret) + return ret; + + ret = j721e_get_clocks(priv->dev, &domain->mcasp, "ivi-mcasp-auxclk"); + if (ret) + return ret; + + /* + * IVI extension, two links + * Link 1: McASP0 -> pcm3168a_a DAC + * \> pcm3168a_b DAC + * Link 2: McASP0 <- pcm3168a_a ADC + * \ pcm3168a_b ADC + */ + comp_count = 8; + compnent = devm_kzalloc(priv->dev, comp_count * sizeof(*compnent), + GFP_KERNEL); + if (!compnent) + return -ENOMEM; + + comp_idx = 0; + priv->dai_links[*link_idx].cpus = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_cpus = 1; + priv->dai_links[*link_idx].platforms = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_platforms = 1; + priv->dai_links[*link_idx].codecs = &compnent[comp_idx]; + priv->dai_links[*link_idx].num_codecs = 2; + comp_idx += 2; + + priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Playback"; + priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog"; + priv->dai_links[*link_idx].cpus->of_node = dai_node; + priv->dai_links[*link_idx].platforms->of_node = dai_node; + priv->dai_links[*link_idx].codecs[0].of_node = codeca_node; + priv->dai_links[*link_idx].codecs[0].dai_name = "pcm3168a-dac"; + priv->dai_links[*link_idx].codecs[1].of_node = codecb_node; + priv->dai_links[*link_idx].codecs[1].dai_name = "pcm3168a-dac"; + priv->dai_links[*link_idx].playback_only = 1; + priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI; + priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT; + priv->dai_links[*link_idx].init = j721e_audio_init_ivi; + priv->dai_links[*link_idx].ops = &j721e_audio_ops; + (*link_idx)++; + + priv->dai_links[*link_idx].cpus = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_cpus = 1; + priv->dai_links[*link_idx].platforms = &compnent[comp_idx++]; + priv->dai_links[*link_idx].num_platforms = 1; + priv->dai_links[*link_idx].codecs = &compnent[comp_idx]; + priv->dai_links[*link_idx].num_codecs = 2; + + priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Capture"; + priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog"; + priv->dai_links[*link_idx].cpus->of_node = dai_node; + priv->dai_links[*link_idx].platforms->of_node = dai_node; + priv->dai_links[*link_idx].codecs[0].of_node = codeca_node; + priv->dai_links[*link_idx].codecs[0].dai_name = "pcm3168a-adc"; + priv->dai_links[*link_idx].codecs[1].of_node = codecb_node; + priv->dai_links[*link_idx].codecs[1].dai_name = "pcm3168a-adc"; + priv->dai_links[*link_idx].capture_only = 1; + priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI; + priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT; + priv->dai_links[*link_idx].init = j721e_audio_init; + priv->dai_links[*link_idx].ops = &j721e_audio_ops; + (*link_idx)++; + + priv->codec_conf[*conf_idx].dlc.of_node = codeca_node; + priv->codec_conf[*conf_idx].name_prefix = "codec-a"; + (*conf_idx)++; + + priv->codec_conf[*conf_idx].dlc.of_node = codecb_node; + priv->codec_conf[*conf_idx].name_prefix = "codec-b"; + (*conf_idx)++; + + priv->codec_conf[*conf_idx].dlc.of_node = dai_node; + priv->codec_conf[*conf_idx].name_prefix = "McASP0"; + (*conf_idx)++; + + return 0; +} + +static int j721e_soc_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct snd_soc_card *card; + const struct of_device_id *match; + struct j721e_priv *priv; + int link_cnt, conf_cnt, ret; + + if (!node) { + dev_err(&pdev->dev, "of node is missing.\n"); + return -ENODEV; + } + + match = of_match_node(j721e_audio_of_match, node); + if (!match) { + dev_err(&pdev->dev, "No compatible match found\n"); + return -ENODEV; + } + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->match_data = match->data; + + priv->dai_links = devm_kcalloc(&pdev->dev, priv->match_data->num_links, + sizeof(*priv->dai_links), GFP_KERNEL); + if (!priv->dai_links) + return -ENOMEM; + + priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].parent_clk_id = -1; + priv->audio_domains[J721E_AUDIO_DOMAIN_IVI].parent_clk_id = -1; + priv->dev = &pdev->dev; + card = &priv->card; + card->dev = &pdev->dev; + card->owner = THIS_MODULE; + card->dapm_widgets = j721e_cpb_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(j721e_cpb_dapm_widgets); + card->dapm_routes = j721e_cpb_dapm_routes; + card->num_dapm_routes = ARRAY_SIZE(j721e_cpb_dapm_routes); + card->fully_routed = 1; + + if (snd_soc_of_parse_card_name(card, "model")) { + dev_err(&pdev->dev, "Card name is not provided\n"); + return -ENODEV; + } + + link_cnt = 0; + conf_cnt = 0; + ret = j721e_soc_probe_cpb(priv, &link_cnt, &conf_cnt); + if (ret) + return ret; + + ret = j721e_soc_probe_ivi(priv, &link_cnt, &conf_cnt); + if (ret) + return ret; + + card->dai_link = priv->dai_links; + card->num_links = link_cnt; + + card->codec_conf = priv->codec_conf; + card->num_configs = conf_cnt; + + ret = j721e_calculate_rate_range(priv); + if (ret) + return ret; + + snd_soc_card_set_drvdata(card, priv); + + mutex_init(&priv->mutex); + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) + dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n", + ret); + + return ret; +} + +static struct platform_driver j721e_soc_driver = { + .driver = { + .name = "j721e-audio", + .pm = &snd_soc_pm_ops, + .of_match_table = of_match_ptr(j721e_audio_of_match), + }, + .probe = j721e_soc_probe, +}; + +module_platform_driver(j721e_soc_driver); + +MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>"); +MODULE_DESCRIPTION("ASoC machine driver for j721e Common Processor Board"); +MODULE_LICENSE("GPL v2"); |