diff options
Diffstat (limited to 'sound/soc/intel/boards/cht_bsw_rt5645.c')
-rw-r--r-- | sound/soc/intel/boards/cht_bsw_rt5645.c | 397 |
1 files changed, 349 insertions, 48 deletions
diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c index f504a0e18f91..5bcde01d15e6 100644 --- a/sound/soc/intel/boards/cht_bsw_rt5645.c +++ b/sound/soc/intel/boards/cht_bsw_rt5645.c @@ -23,7 +23,11 @@ #include <linux/module.h> #include <linux/acpi.h> #include <linux/platform_device.h> +#include <linux/dmi.h> #include <linux/slab.h> +#include <asm/cpu_device_id.h> +#include <asm/platform_sst_audio.h> +#include <linux/clk.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> @@ -33,7 +37,8 @@ #include "../common/sst-acpi.h" #define CHT_PLAT_CLK_3_HZ 19200000 -#define CHT_CODEC_DAI "rt5645-aif1" +#define CHT_CODEC_DAI1 "rt5645-aif1" +#define CHT_CODEC_DAI2 "rt5645-aif2" struct cht_acpi_card { char *codec_id; @@ -45,15 +50,36 @@ struct cht_mc_private { struct snd_soc_jack jack; struct cht_acpi_card *acpi_card; char codec_name[16]; + struct clk *mclk; }; +#define CHT_RT5645_MAP(quirk) ((quirk) & 0xff) +#define CHT_RT5645_SSP2_AIF2 BIT(16) /* default is using AIF1 */ +#define CHT_RT5645_SSP0_AIF1 BIT(17) +#define CHT_RT5645_SSP0_AIF2 BIT(18) + +static unsigned long cht_rt5645_quirk = 0; + +static void log_quirks(struct device *dev) +{ + if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) + dev_info(dev, "quirk SSP2_AIF2 enabled"); + if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) + dev_info(dev, "quirk SSP0_AIF1 enabled"); + if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) + dev_info(dev, "quirk SSP0_AIF2 enabled"); +} + static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card) { struct snd_soc_pcm_runtime *rtd; list_for_each_entry(rtd, &card->rtd_list, list) { - if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI, - strlen(CHT_CODEC_DAI))) + if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI1, + strlen(CHT_CODEC_DAI1))) + return rtd->codec_dai; + if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI2, + strlen(CHT_CODEC_DAI2))) return rtd->codec_dai; } return NULL; @@ -65,6 +91,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w, struct snd_soc_dapm_context *dapm = w->dapm; struct snd_soc_card *card = dapm->card; struct snd_soc_dai *codec_dai; + struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card); int ret; codec_dai = cht_get_codec_dai(card); @@ -73,19 +100,30 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w, return -EIO; } - if (!SND_SOC_DAPM_EVENT_OFF(event)) - return 0; + if (SND_SOC_DAPM_EVENT_ON(event)) { + if (ctx->mclk) { + ret = clk_prepare_enable(ctx->mclk); + if (ret < 0) { + dev_err(card->dev, + "could not configure MCLK state"); + return ret; + } + } + } else { + /* Set codec sysclk source to its internal clock because codec PLL will + * be off when idle and MCLK will also be off when codec is + * runtime suspended. Codec needs clock for jack detection and button + * press. MCLK is turned off with clock framework or ACPI. + */ + ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK, + 48000 * 512, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "can't set codec sysclk: %d\n", ret); + return ret; + } - /* Set codec sysclk source to its internal clock because codec PLL will - * be off when idle and MCLK will also be off by ACPI when codec is - * runtime suspended. Codec needs clock for jack detection and button - * press. - */ - ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK, - 0, SND_SOC_CLOCK_IN); - if (ret < 0) { - dev_err(card->dev, "can't set codec sysclk: %d\n", ret); - return ret; + if (ctx->mclk) + clk_disable_unprepare(ctx->mclk); } return 0; @@ -97,7 +135,7 @@ static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { SND_SOC_DAPM_MIC("Int Mic", NULL), SND_SOC_DAPM_SPK("Ext Spk", NULL), SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, - platform_clock_control, SND_SOC_DAPM_POST_PMD), + platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), }; static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = { @@ -109,12 +147,6 @@ static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = { {"Headphone", NULL, "HPOR"}, {"Ext Spk", NULL, "SPOL"}, {"Ext Spk", NULL, "SPOR"}, - {"AIF1 Playback", NULL, "ssp2 Tx"}, - {"ssp2 Tx", NULL, "codec_out0"}, - {"ssp2 Tx", NULL, "codec_out1"}, - {"codec_in0", NULL, "ssp2 Rx" }, - {"codec_in1", NULL, "ssp2 Rx" }, - {"ssp2 Rx", NULL, "AIF1 Capture"}, {"Headphone", NULL, "Platform Clock"}, {"Headset Mic", NULL, "Platform Clock"}, {"Int Mic", NULL, "Platform Clock"}, @@ -130,16 +162,42 @@ static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = { {"Headphone", NULL, "HPOR"}, {"Ext Spk", NULL, "SPOL"}, {"Ext Spk", NULL, "SPOR"}, + {"Headphone", NULL, "Platform Clock"}, + {"Headset Mic", NULL, "Platform Clock"}, + {"Int Mic", NULL, "Platform Clock"}, + {"Ext Spk", NULL, "Platform Clock"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map[] = { {"AIF1 Playback", NULL, "ssp2 Tx"}, {"ssp2 Tx", NULL, "codec_out0"}, {"ssp2 Tx", NULL, "codec_out1"}, {"codec_in0", NULL, "ssp2 Rx" }, {"codec_in1", NULL, "ssp2 Rx" }, {"ssp2 Rx", NULL, "AIF1 Capture"}, - {"Headphone", NULL, "Platform Clock"}, - {"Headset Mic", NULL, "Platform Clock"}, - {"Int Mic", NULL, "Platform Clock"}, - {"Ext Spk", NULL, "Platform Clock"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map[] = { + {"AIF2 Playback", NULL, "ssp2 Tx"}, + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx" }, + {"codec_in1", NULL, "ssp2 Rx" }, + {"ssp2 Rx", NULL, "AIF2 Capture"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map[] = { + {"AIF1 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx" }, + {"ssp0 Rx", NULL, "AIF1 Capture"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map[] = { + {"AIF2 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx" }, + {"ssp0 Rx", NULL, "AIF2 Capture"}, }; static const struct snd_kcontrol_new cht_mc_controls[] = { @@ -185,28 +243,65 @@ static int cht_aif1_hw_params(struct snd_pcm_substream *substream, return 0; } +/* uncomment when we have a real quirk +static int cht_rt5645_quirk_cb(const struct dmi_system_id *id) +{ + cht_rt5645_quirk = (unsigned long)id->driver_data; + return 1; +} +*/ + +static const struct dmi_system_id cht_rt5645_quirk_table[] = { + { + }, +}; + static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) { int ret; int jack_type; struct snd_soc_codec *codec = runtime->codec; - struct snd_soc_dai *codec_dai = runtime->codec_dai; + struct snd_soc_card *card = runtime->card; struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); - /* Select clk_i2s1_asrc as ASRC clock source */ - rt5645_sel_asrc_clk_src(codec, - RT5645_DA_STEREO_FILTER | - RT5645_DA_MONO_L_FILTER | - RT5645_DA_MONO_R_FILTER | - RT5645_AD_STEREO_FILTER, - RT5645_CLK_SEL_I2S1_ASRC); + if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { + /* Select clk_i2s2_asrc as ASRC clock source */ + rt5645_sel_asrc_clk_src(codec, + RT5645_DA_STEREO_FILTER | + RT5645_DA_MONO_L_FILTER | + RT5645_DA_MONO_R_FILTER | + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S2_ASRC); + } else { + /* Select clk_i2s1_asrc as ASRC clock source */ + rt5645_sel_asrc_clk_src(codec, + RT5645_DA_STEREO_FILTER | + RT5645_DA_MONO_L_FILTER | + RT5645_DA_MONO_R_FILTER | + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S1_ASRC); + } - /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */ - ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24); - if (ret < 0) { - dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret); - return ret; + if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp2_aif2_map, + ARRAY_SIZE(cht_rt5645_ssp2_aif2_map)); + } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp0_aif1_map, + ARRAY_SIZE(cht_rt5645_ssp0_aif1_map)); + } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp0_aif2_map, + ARRAY_SIZE(cht_rt5645_ssp0_aif2_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp2_aif1_map, + ARRAY_SIZE(cht_rt5645_ssp2_aif1_map)); } + if (ret) + return ret; if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650) jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | @@ -225,12 +320,33 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack); + if (ctx->mclk) { + /* + * The firmware might enable the clock at + * boot (this information may or may not + * be reflected in the enable clock register). + * To change the rate we must disable the clock + * first to cover these cases. Due to common + * clock framework restrictions that do not allow + * to disable a clock that has not been enabled, + * we need to enable the clock first. + */ + ret = clk_prepare_enable(ctx->mclk); + if (!ret) + clk_disable_unprepare(ctx->mclk); + + ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ); + + if (ret) + dev_err(runtime->dev, "unable to set MCLK rate\n"); + } return ret; } static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { + int ret; struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, @@ -240,8 +356,67 @@ static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd, rate->min = rate->max = 48000; channels->min = channels->max = 2; - /* set SSP2 to 24-bit */ - params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); + if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { + + /* set SSP0 to 16-bit */ + params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); + + /* + * Default mode for SSP configuration is TDM 4 slot, override config + * with explicit setting to I2S 2ch 16-bit. The word length is set with + * dai_set_tdm_slot() since there is no other API exposed + */ + ret = snd_soc_dai_set_fmt(rtd->cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS + ); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_fmt(rtd->codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS + ); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16); + if (ret < 0) { + dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); + return ret; + } + + } else { + + /* set SSP2 to 24-bit */ + params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); + + /* + * Default mode for SSP configuration is TDM 4 slot + */ + ret = snd_soc_dai_set_fmt(rtd->codec_dai, + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to TDM %d\n", ret); + return ret; + } + + /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */ + ret = snd_soc_dai_set_tdm_slot(rtd->codec_dai, 0xF, 0xF, 4, 24); + if (ret < 0) { + dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret); + return ret; + } + } return 0; } @@ -303,8 +478,6 @@ static struct snd_soc_dai_link cht_dailink[] = { .no_pcm = 1, .codec_dai_name = "rt5645-aif1", .codec_name = "i2c-10EC5645:00", - .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF - | SND_SOC_DAIFMT_CBS_CFS, .init = cht_codec_init, .be_hw_params_fixup = cht_codec_fixup, .nonatomic = true, @@ -344,10 +517,31 @@ static struct snd_soc_card snd_soc_card_chtrt5650 = { static struct cht_acpi_card snd_soc_cards[] = { {"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, {"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC5648", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC3270", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, {"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650}, }; -static char cht_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */ +static char cht_rt5645_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */ +static char cht_rt5645_codec_aif_name[12]; /* = "rt5645-aif[1|2]" */ +static char cht_rt5645_cpu_dai_name[10]; /* = "ssp[0|2]-port" */ + +static bool is_valleyview(void) +{ + static const struct x86_cpu_id cpu_ids[] = { + { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */ + {} + }; + + if (!x86_match_cpu(cpu_ids)) + return false; + return true; +} + +struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */ + u64 aif_value; /* 1: AIF1, 2: AIF2 */ + u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */ +}; static int snd_cht_mc_probe(struct platform_device *pdev) { @@ -358,22 +552,33 @@ static int snd_cht_mc_probe(struct platform_device *pdev) struct sst_acpi_mach *mach; const char *i2c_name = NULL; int dai_index = 0; + bool found = false; + bool is_bytcr = false; drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); if (!drv) return -ENOMEM; + mach = (&pdev->dev)->platform_data; + for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) { - if (acpi_dev_found(snd_soc_cards[i].codec_id)) { + if (acpi_dev_found(snd_soc_cards[i].codec_id) && + (!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) { dev_dbg(&pdev->dev, "found codec %s\n", snd_soc_cards[i].codec_id); card = snd_soc_cards[i].soc_card; drv->acpi_card = &snd_soc_cards[i]; + found = true; break; } } + + if (!found) { + dev_err(&pdev->dev, "No matching HID found in supported list\n"); + return -ENODEV; + } + card->dev = &pdev->dev; - mach = card->dev->platform_data; sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id); /* set correct codec name */ @@ -386,9 +591,105 @@ static int snd_cht_mc_probe(struct platform_device *pdev) /* fixup codec name based on HID */ i2c_name = sst_acpi_find_name_from_hid(mach->id); if (i2c_name != NULL) { - snprintf(cht_rt5640_codec_name, sizeof(cht_rt5640_codec_name), + snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name), "%s%s", "i2c-", i2c_name); - cht_dailink[dai_index].codec_name = cht_rt5640_codec_name; + cht_dailink[dai_index].codec_name = cht_rt5645_codec_name; + } + + /* + * swap SSP0 if bytcr is detected + * (will be overridden if DMI quirk is detected) + */ + if (is_valleyview()) { + struct sst_platform_info *p_info = mach->pdata; + const struct sst_res_info *res_info = p_info->res_info; + + if (res_info->acpi_ipc_irq_index == 0) + is_bytcr = true; + } + + if (is_bytcr) { + /* + * Baytrail CR platforms may have CHAN package in BIOS, try + * to find relevant routing quirk based as done on Windows + * platforms. We have to read the information directly from the + * BIOS, at this stage the card is not created and the links + * with the codec driver/pdata are non-existent + */ + + struct acpi_chan_package chan_package; + + /* format specified: 2 64-bit integers */ + struct acpi_buffer format = {sizeof("NN"), "NN"}; + struct acpi_buffer state = {0, NULL}; + struct sst_acpi_package_context pkg_ctx; + bool pkg_found = false; + + state.length = sizeof(chan_package); + state.pointer = &chan_package; + + pkg_ctx.name = "CHAN"; + pkg_ctx.length = 2; + pkg_ctx.format = &format; + pkg_ctx.state = &state; + pkg_ctx.data_valid = false; + + pkg_found = sst_acpi_find_package_from_hid(mach->id, &pkg_ctx); + if (pkg_found) { + if (chan_package.aif_value == 1) { + dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n"); + cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF1; + } else if (chan_package.aif_value == 2) { + dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n"); + cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2; + } else { + dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n"); + pkg_found = false; + } + } + + if (!pkg_found) { + /* no BIOS indications, assume SSP0-AIF2 connection */ + cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2; + } + } + + /* check quirks before creating card */ + dmi_check_system(cht_rt5645_quirk_table); + log_quirks(&pdev->dev); + + if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { + + /* fixup codec aif name */ + snprintf(cht_rt5645_codec_aif_name, + sizeof(cht_rt5645_codec_aif_name), + "%s", "rt5645-aif2"); + + cht_dailink[dai_index].codec_dai_name = + cht_rt5645_codec_aif_name; + } + + if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { + + /* fixup cpu dai name name */ + snprintf(cht_rt5645_cpu_dai_name, + sizeof(cht_rt5645_cpu_dai_name), + "%s", "ssp0-port"); + + cht_dailink[dai_index].cpu_dai_name = + cht_rt5645_cpu_dai_name; + } + + if (is_valleyview()) { + drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); + if (IS_ERR(drv->mclk)) { + dev_err(&pdev->dev, + "Failed to get MCLK from pmc_plt_clk_3: %ld\n", + PTR_ERR(drv->mclk)); + return PTR_ERR(drv->mclk); + } } snd_soc_card_set_drvdata(card, drv); |