diff options
Diffstat (limited to 'sound/soc/qcom')
| -rw-r--r-- | sound/soc/qcom/Kconfig | 7 | ||||
| -rw-r--r-- | sound/soc/qcom/apq8016_sbc.c | 10 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass-apq8016.c | 31 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass-cpu.c | 146 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass-ipq806x.c | 11 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass-lpaif-reg.h | 116 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass-platform.c | 244 | ||||
| -rw-r--r-- | sound/soc/qcom/lpass.h | 10 |
8 files changed, 396 insertions, 179 deletions
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 3cc252e55..8ec9a074b 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -11,21 +11,24 @@ config SND_SOC_LPASS_CPU config SND_SOC_LPASS_PLATFORM tristate + depends on HAS_DMA select REGMAP_MMIO config SND_SOC_LPASS_IPQ806X tristate + depends on HAS_DMA select SND_SOC_LPASS_CPU select SND_SOC_LPASS_PLATFORM config SND_SOC_LPASS_APQ8016 tristate + depends on HAS_DMA select SND_SOC_LPASS_CPU select SND_SOC_LPASS_PLATFORM config SND_SOC_STORM tristate "ASoC I2S support for Storm boards" - depends on SND_SOC_QCOM + depends on SND_SOC_QCOM && HAS_DMA select SND_SOC_LPASS_IPQ806X select SND_SOC_MAX98357A help @@ -34,7 +37,7 @@ config SND_SOC_STORM config SND_SOC_APQ8016_SBC tristate "SoC Audio support for APQ8016 SBC platforms" - depends on SND_SOC_QCOM + depends on SND_SOC_QCOM && HAS_DMA select SND_SOC_LPASS_APQ8016 help Support for Qualcomm Technologies LPASS audio block in diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c index 1efdf0088..1289543c8 100644 --- a/sound/soc/qcom/apq8016_sbc.c +++ b/sound/soc/qcom/apq8016_sbc.c @@ -30,6 +30,7 @@ struct apq8016_sbc_data { struct snd_soc_dai_link dai_link[]; /* dynamically allocated */ }; +#define MIC_CTRL_TER_WS_SLAVE_SEL BIT(21) #define MIC_CTRL_QUA_WS_SLAVE_SEL_10 BIT(17) #define MIC_CTRL_TLMM_SCLK_EN BIT(1) #define SPKR_CTL_PRI_WS_SLAVE_SEL_11 (BIT(17) | BIT(16)) @@ -53,6 +54,12 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd) MIC_CTRL_TLMM_SCLK_EN, pdata->mic_iomux); break; + case MI2S_TERTIARY: + writel(readl(pdata->mic_iomux) | MIC_CTRL_TER_WS_SLAVE_SEL | + MIC_CTRL_TLMM_SCLK_EN, + pdata->mic_iomux); + + break; default: dev_err(card->dev, "unsupported cpu dai configuration\n"); @@ -126,9 +133,6 @@ static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card) } link->platform_of_node = link->cpu_of_node; - /* For now we only support playback */ - link->playback_only = true; - ret = of_property_read_string(np, "link-name", &link->name); if (ret) { dev_err(card->dev, "error getting codec dai_link name\n"); diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c index 94efc0102..3eef0c37b 100644 --- a/sound/soc/qcom/lpass-apq8016.c +++ b/sound/soc/qcom/lpass-apq8016.c @@ -133,23 +133,36 @@ static struct snd_soc_dai_driver apq8016_lpass_cpu_dai_driver[] = { }, }; -static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata) +static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata, + int direction) { struct lpass_variant *v = drvdata->variant; - int chan = find_first_zero_bit(&drvdata->rdma_ch_bit_map, + int chan = 0; + + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, v->rdma_channels); - if (chan >= v->rdma_channels) - return -EBUSY; + if (chan >= v->rdma_channels) + return -EBUSY; + } else { + chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, + v->wrdma_channel_start + + v->wrdma_channels, + v->wrdma_channel_start); + + if (chan >= v->wrdma_channel_start + v->wrdma_channels) + return -EBUSY; + } - set_bit(chan, &drvdata->rdma_ch_bit_map); + set_bit(chan, &drvdata->dma_ch_bit_map); return chan; } static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) { - clear_bit(chan, &drvdata->rdma_ch_bit_map); + clear_bit(chan, &drvdata->dma_ch_bit_map); return 0; } @@ -212,7 +225,11 @@ static struct lpass_variant apq8016_data = { .rdma_reg_base = 0x8400, .rdma_reg_stride = 0x1000, .rdma_channels = 2, - .rdmactl_audif_start = 1, + .dmactl_audif_start = 1, + .wrdma_reg_base = 0xB000, + .wrdma_reg_stride = 0x1000, + .wrdma_channel_start = 5, + .wrdma_channels = 2, .dai_driver = apq8016_lpass_cpu_dai_driver, .num_dai = ARRAY_SIZE(apq8016_lpass_cpu_dai_driver), .init = apq8016_lpass_init, diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index e5101e0d2..3cde9fb97 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -120,31 +120,60 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - switch (channels) { - case 1: - regval |= LPAIF_I2SCTL_SPKMODE_SD0; - regval |= LPAIF_I2SCTL_SPKMONO_MONO; - break; - case 2: - regval |= LPAIF_I2SCTL_SPKMODE_SD0; - regval |= LPAIF_I2SCTL_SPKMONO_STEREO; - break; - case 4: - regval |= LPAIF_I2SCTL_SPKMODE_QUAD01; - regval |= LPAIF_I2SCTL_SPKMONO_STEREO; - break; - case 6: - regval |= LPAIF_I2SCTL_SPKMODE_6CH; - regval |= LPAIF_I2SCTL_SPKMONO_STEREO; - break; - case 8: - regval |= LPAIF_I2SCTL_SPKMODE_8CH; - regval |= LPAIF_I2SCTL_SPKMONO_STEREO; - break; - default: - dev_err(dai->dev, "%s() invalid channels given: %u\n", - __func__, channels); - return -EINVAL; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (channels) { + case 1: + regval |= LPAIF_I2SCTL_SPKMODE_SD0; + regval |= LPAIF_I2SCTL_SPKMONO_MONO; + break; + case 2: + regval |= LPAIF_I2SCTL_SPKMODE_SD0; + regval |= LPAIF_I2SCTL_SPKMONO_STEREO; + break; + case 4: + regval |= LPAIF_I2SCTL_SPKMODE_QUAD01; + regval |= LPAIF_I2SCTL_SPKMONO_STEREO; + break; + case 6: + regval |= LPAIF_I2SCTL_SPKMODE_6CH; + regval |= LPAIF_I2SCTL_SPKMONO_STEREO; + break; + case 8: + regval |= LPAIF_I2SCTL_SPKMODE_8CH; + regval |= LPAIF_I2SCTL_SPKMONO_STEREO; + break; + default: + dev_err(dai->dev, "%s() invalid channels given: %u\n", + __func__, channels); + return -EINVAL; + } + } else { + switch (channels) { + case 1: + regval |= LPAIF_I2SCTL_MICMODE_SD0; + regval |= LPAIF_I2SCTL_MICMONO_MONO; + break; + case 2: + regval |= LPAIF_I2SCTL_MICMODE_SD0; + regval |= LPAIF_I2SCTL_MICMONO_STEREO; + break; + case 4: + regval |= LPAIF_I2SCTL_MICMODE_QUAD01; + regval |= LPAIF_I2SCTL_MICMONO_STEREO; + break; + case 6: + regval |= LPAIF_I2SCTL_MICMODE_6CH; + regval |= LPAIF_I2SCTL_MICMONO_STEREO; + break; + case 8: + regval |= LPAIF_I2SCTL_MICMODE_8CH; + regval |= LPAIF_I2SCTL_MICMONO_STEREO; + break; + default: + dev_err(dai->dev, "%s() invalid channels given: %u\n", + __func__, channels); + return -EINVAL; + } } ret = regmap_write(drvdata->lpaif_map, @@ -188,10 +217,19 @@ static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream, { struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); int ret; + unsigned int val, mask; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + val = LPAIF_I2SCTL_SPKEN_ENABLE; + mask = LPAIF_I2SCTL_SPKEN_MASK; + } else { + val = LPAIF_I2SCTL_MICEN_ENABLE; + mask = LPAIF_I2SCTL_MICEN_MASK; + } ret = regmap_update_bits(drvdata->lpaif_map, LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), - LPAIF_I2SCTL_SPKEN_MASK, LPAIF_I2SCTL_SPKEN_ENABLE); + mask, val); if (ret) dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n", __func__, ret); @@ -204,16 +242,24 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, { struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); int ret = -EINVAL; + unsigned int val, mask; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + val = LPAIF_I2SCTL_SPKEN_ENABLE; + mask = LPAIF_I2SCTL_SPKEN_MASK; + } else { + val = LPAIF_I2SCTL_MICEN_ENABLE; + mask = LPAIF_I2SCTL_MICEN_MASK; + } + ret = regmap_update_bits(drvdata->lpaif_map, LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), - LPAIF_I2SCTL_SPKEN_MASK, - LPAIF_I2SCTL_SPKEN_ENABLE); + mask, val); if (ret) dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n", __func__, ret); @@ -221,11 +267,18 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + val = LPAIF_I2SCTL_SPKEN_DISABLE; + mask = LPAIF_I2SCTL_SPKEN_MASK; + } else { + val = LPAIF_I2SCTL_MICEN_DISABLE; + mask = LPAIF_I2SCTL_MICEN_MASK; + } + ret = regmap_update_bits(drvdata->lpaif_map, LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), - LPAIF_I2SCTL_SPKEN_MASK, - LPAIF_I2SCTL_SPKEN_DISABLE); + mask, val); if (ret) dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n", __func__, ret); @@ -294,6 +347,17 @@ static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg) return true; } + for (i = 0; i < v->wrdma_channels; ++i) { + if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start)) + return true; + } + return false; } @@ -327,6 +391,19 @@ static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg) return true; } + for (i = 0; i < v->wrdma_channels; ++i) { + if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start)) + return true; + if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start)) + return true; + } + return false; } @@ -344,6 +421,10 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg) if (reg == LPAIF_RDMACURR_REG(v, i)) return true; + for (i = 0; i < v->wrdma_channels; ++i) + if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start)) + return true; + return false; } @@ -398,8 +479,9 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) return PTR_ERR((void const __force *)drvdata->lpaif); } - lpass_cpu_regmap_config.max_register = LPAIF_RDMAPER_REG(variant, - variant->rdma_channels); + lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant, + variant->wrdma_channels + + variant->wrdma_channel_start); drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif, &lpass_cpu_regmap_config); diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c index 7a4167952..608c1a92a 100644 --- a/sound/soc/qcom/lpass-ipq806x.c +++ b/sound/soc/qcom/lpass-ipq806x.c @@ -63,9 +63,12 @@ static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = { .ops = &asoc_qcom_lpass_cpu_dai_ops, }; -static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata) +static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir) { - return IPQ806X_LPAIF_RDMA_CHAN_MI2S; + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + return IPQ806X_LPAIF_RDMA_CHAN_MI2S; + else /* Capture currently not implemented */ + return -EINVAL; } static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) @@ -83,6 +86,10 @@ static struct lpass_variant ipq806x_data = { .rdma_reg_base = 0x6000, .rdma_reg_stride = 0x1000, .rdma_channels = 4, + .wrdma_reg_base = 0xB000, + .wrdma_reg_stride = 0x1000, + .wrdma_channel_start = 5, + .wrdma_channels = 4, .dai_driver = &ipq806x_lpass_cpu_dai_driver, .num_dai = 1, .alloc_dma_channel = ipq806x_lpass_alloc_dma_channel, diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h index 95e22f131..2240bc68e 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -47,6 +47,28 @@ #define LPAIF_I2SCTL_SPKMONO_STEREO (0 << LPAIF_I2SCTL_SPKMONO_SHIFT) #define LPAIF_I2SCTL_SPKMONO_MONO (1 << LPAIF_I2SCTL_SPKMONO_SHIFT) +#define LPAIF_I2SCTL_MICEN_MASK GENMASK(8, 8) +#define LPAIF_I2SCTL_MICEN_SHIFT 8 +#define LPAIF_I2SCTL_MICEN_DISABLE (0 << LPAIF_I2SCTL_MICEN_SHIFT) +#define LPAIF_I2SCTL_MICEN_ENABLE (1 << LPAIF_I2SCTL_MICEN_SHIFT) + +#define LPAIF_I2SCTL_MICMODE_MASK GENMASK(7, 4) +#define LPAIF_I2SCTL_MICMODE_SHIFT 4 +#define LPAIF_I2SCTL_MICMODE_NONE (0 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_SD0 (1 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_SD1 (2 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_SD2 (3 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_SD3 (4 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_QUAD01 (5 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_QUAD23 (6 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_6CH (7 << LPAIF_I2SCTL_MICMODE_SHIFT) +#define LPAIF_I2SCTL_MICMODE_8CH (8 << LPAIF_I2SCTL_MICMODE_SHIFT) + +#define LPAIF_I2SCTL_MIMONO_MASK GENMASK(3, 3) +#define LPAIF_I2SCTL_MICMONO_SHIFT 3 +#define LPAIF_I2SCTL_MICMONO_STEREO (0 << LPAIF_I2SCTL_MICMONO_SHIFT) +#define LPAIF_I2SCTL_MICMONO_MONO (1 << LPAIF_I2SCTL_MICMONO_SHIFT) + #define LPAIF_I2SCTL_WSSRC_MASK 0x0004 #define LPAIF_I2SCTL_WSSRC_SHIFT 2 #define LPAIF_I2SCTL_WSSRC_INTERNAL (0 << LPAIF_I2SCTL_WSSRC_SHIFT) @@ -90,37 +112,65 @@ #define LPAIF_RDMAPER_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x10, (chan)) #define LPAIF_RDMAPERCNT_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x14, (chan)) -#define LPAIF_RDMACTL_BURSTEN_MASK 0x800 -#define LPAIF_RDMACTL_BURSTEN_SHIFT 11 -#define LPAIF_RDMACTL_BURSTEN_SINGLE (0 << LPAIF_RDMACTL_BURSTEN_SHIFT) -#define LPAIF_RDMACTL_BURSTEN_INCR4 (1 << LPAIF_RDMACTL_BURSTEN_SHIFT) - -#define LPAIF_RDMACTL_WPSCNT_MASK 0x700 -#define LPAIF_RDMACTL_WPSCNT_SHIFT 8 -#define LPAIF_RDMACTL_WPSCNT_ONE (0 << LPAIF_RDMACTL_WPSCNT_SHIFT) -#define LPAIF_RDMACTL_WPSCNT_TWO (1 << LPAIF_RDMACTL_WPSCNT_SHIFT) -#define LPAIF_RDMACTL_WPSCNT_THREE (2 << LPAIF_RDMACTL_WPSCNT_SHIFT) -#define LPAIF_RDMACTL_WPSCNT_FOUR (3 << LPAIF_RDMACTL_WPSCNT_SHIFT) -#define LPAIF_RDMACTL_WPSCNT_SIX (5 << LPAIF_RDMACTL_WPSCNT_SHIFT) -#define LPAIF_RDMACTL_WPSCNT_EIGHT (7 << LPAIF_RDMACTL_WPSCNT_SHIFT) - -#define LPAIF_RDMACTL_AUDINTF_MASK 0x0F0 -#define LPAIF_RDMACTL_AUDINTF_SHIFT 4 - -#define LPAIF_RDMACTL_FIFOWM_MASK 0x00E -#define LPAIF_RDMACTL_FIFOWM_SHIFT 1 -#define LPAIF_RDMACTL_FIFOWM_1 (0 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_2 (1 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_3 (2 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_4 (3 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_5 (4 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_6 (5 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_7 (6 << LPAIF_RDMACTL_FIFOWM_SHIFT) -#define LPAIF_RDMACTL_FIFOWM_8 (7 << LPAIF_RDMACTL_FIFOWM_SHIFT) - -#define LPAIF_RDMACTL_ENABLE_MASK 0x1 -#define LPAIF_RDMACTL_ENABLE_SHIFT 0 -#define LPAIF_RDMACTL_ENABLE_OFF (0 << LPAIF_RDMACTL_ENABLE_SHIFT) -#define LPAIF_RDMACTL_ENABLE_ON (1 << LPAIF_RDMACTL_ENABLE_SHIFT) - +#define LPAIF_WRDMA_REG_ADDR(v, addr, chan) \ + (v->wrdma_reg_base + (addr) + \ + v->wrdma_reg_stride * (chan - v->wrdma_channel_start)) + +#define LPAIF_WRDMACTL_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x00, (chan)) +#define LPAIF_WRDMABASE_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x04, (chan)) +#define LPAIF_WRDMABUFF_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x08, (chan)) +#define LPAIF_WRDMACURR_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x0C, (chan)) +#define LPAIF_WRDMAPER_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x10, (chan)) +#define LPAIF_WRDMAPERCNT_REG(v, chan) LPAIF_WRDMA_REG_ADDR(v, 0x14, (chan)) + +#define __LPAIF_DMA_REG(v, chan, dir, reg) \ + (dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ + LPAIF_RDMA##reg##_REG(v, chan) : \ + LPAIF_WRDMA##reg##_REG(v, chan) + +#define LPAIF_DMACTL_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, CTL) +#define LPAIF_DMABASE_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, BASE) +#define LPAIF_DMABUFF_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, BUFF) +#define LPAIF_DMACURR_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, CURR) +#define LPAIF_DMAPER_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, PER) +#define LPAIF_DMAPERCNT_REG(v, chan, dir) __LPAIF_DMA_REG(v, chan, dir, PERCNT) + +#define LPAIF_DMACTL_BURSTEN_MASK 0x800 +#define LPAIF_DMACTL_BURSTEN_SHIFT 11 +#define LPAIF_DMACTL_BURSTEN_SINGLE (0 << LPAIF_DMACTL_BURSTEN_SHIFT) +#define LPAIF_DMACTL_BURSTEN_INCR4 (1 << LPAIF_DMACTL_BURSTEN_SHIFT) + +#define LPAIF_DMACTL_WPSCNT_MASK 0x700 +#define LPAIF_DMACTL_WPSCNT_SHIFT 8 +#define LPAIF_DMACTL_WPSCNT_ONE (0 << LPAIF_DMACTL_WPSCNT_SHIFT) +#define LPAIF_DMACTL_WPSCNT_TWO (1 << LPAIF_DMACTL_WPSCNT_SHIFT) +#define LPAIF_DMACTL_WPSCNT_THREE (2 << LPAIF_DMACTL_WPSCNT_SHIFT) +#define LPAIF_DMACTL_WPSCNT_FOUR (3 << LPAIF_DMACTL_WPSCNT_SHIFT) +#define LPAIF_DMACTL_WPSCNT_SIX (5 << LPAIF_DMACTL_WPSCNT_SHIFT) +#define LPAIF_DMACTL_WPSCNT_EIGHT (7 << LPAIF_DMACTL_WPSCNT_SHIFT) + +#define LPAIF_DMACTL_AUDINTF_MASK 0x0F0 +#define LPAIF_DMACTL_AUDINTF_SHIFT 4 +#define LPAIF_DMACTL_AUDINTF(id) (id << LPAIF_DMACTL_AUDINTF_SHIFT) + +#define LPAIF_DMACTL_FIFOWM_MASK 0x00E +#define LPAIF_DMACTL_FIFOWM_SHIFT 1 +#define LPAIF_DMACTL_FIFOWM_1 (0 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_2 (1 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_3 (2 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_4 (3 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_5 (4 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_6 (5 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_7 (6 << LPAIF_DMACTL_FIFOWM_SHIFT) +#define LPAIF_DMACTL_FIFOWM_8 (7 << LPAIF_DMACTL_FIFOWM_SHIFT) + +#define LPAIF_DMACTL_ENABLE_MASK 0x1 +#define LPAIF_DMACTL_ENABLE_SHIFT 0 +#define LPAIF_DMACTL_ENABLE_OFF (0 << LPAIF_DMACTL_ENABLE_SHIFT) +#define LPAIF_DMACTL_ENABLE_ON (1 << LPAIF_DMACTL_ENABLE_SHIFT) + +#define LPAIF_DMACTL_DYNCLK_MASK BIT(12) +#define LPAIF_DMACTL_DYNCLK_SHIFT 12 +#define LPAIF_DMACTL_DYNCLK_OFF (0 << LPAIF_DMACTL_DYNCLK_SHIFT) +#define LPAIF_DMACTL_DYNCLK_ON (1 << LPAIF_DMACTL_DYNCLK_SHIFT) #endif /* __LPASS_LPAIF_REG_H__ */ diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 4aeb8e1a7..6e8665430 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -26,6 +26,7 @@ struct lpass_pcm_data { int rdma_ch; + int wrdma_ch; int i2s_port; }; @@ -90,8 +91,14 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, snd_pcm_format_t format = params_format(params); unsigned int channels = params_channels(params); unsigned int regval; + int ch, dir = substream->stream; int bitwidth; - int ret, rdma_port = pcm_data->i2s_port + v->rdmactl_audif_start; + int ret, dma_port = pcm_data->i2s_port + v->dmactl_audif_start; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + ch = pcm_data->rdma_ch; + else + ch = pcm_data->wrdma_ch; bitwidth = snd_pcm_format_width(format); if (bitwidth < 0) { @@ -100,25 +107,25 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, return bitwidth; } - regval = LPAIF_RDMACTL_BURSTEN_INCR4 | - LPAIF_RDMACTL_AUDINTF(rdma_port) | - LPAIF_RDMACTL_FIFOWM_8; + regval = LPAIF_DMACTL_BURSTEN_INCR4 | + LPAIF_DMACTL_AUDINTF(dma_port) | + LPAIF_DMACTL_FIFOWM_8; switch (bitwidth) { case 16: switch (channels) { case 1: case 2: - regval |= LPAIF_RDMACTL_WPSCNT_ONE; + regval |= LPAIF_DMACTL_WPSCNT_ONE; break; case 4: - regval |= LPAIF_RDMACTL_WPSCNT_TWO; + regval |= LPAIF_DMACTL_WPSCNT_TWO; break; case 6: - regval |= LPAIF_RDMACTL_WPSCNT_THREE; + regval |= LPAIF_DMACTL_WPSCNT_THREE; break; case 8: - regval |= LPAIF_RDMACTL_WPSCNT_FOUR; + regval |= LPAIF_DMACTL_WPSCNT_FOUR; break; default: dev_err(soc_runtime->dev, "%s() invalid PCM config given: bw=%d, ch=%u\n", @@ -130,19 +137,19 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, case 32: switch (channels) { case 1: - regval |= LPAIF_RDMACTL_WPSCNT_ONE; + regval |= LPAIF_DMACTL_WPSCNT_ONE; break; case 2: - regval |= LPAIF_RDMACTL_WPSCNT_TWO; + regval |= LPAIF_DMACTL_WPSCNT_TWO; break; case 4: - regval |= LPAIF_RDMACTL_WPSCNT_FOUR; + regval |= LPAIF_DMACTL_WPSCNT_FOUR; break; case 6: - regval |= LPAIF_RDMACTL_WPSCNT_SIX; + regval |= LPAIF_DMACTL_WPSCNT_SIX; break; case 8: - regval |= LPAIF_RDMACTL_WPSCNT_EIGHT; + regval |= LPAIF_DMACTL_WPSCNT_EIGHT; break; default: dev_err(soc_runtime->dev, "%s() invalid PCM config given: bw=%d, ch=%u\n", @@ -157,7 +164,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, } ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), regval); + LPAIF_DMACTL_REG(v, ch, dir), regval); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", __func__, ret); @@ -174,10 +181,15 @@ static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream) struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); struct lpass_variant *v = drvdata->variant; + unsigned int reg; int ret; - ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), 0); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + reg = LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch); + else + reg = LPAIF_WRDMACTL_REG(v, pcm_data->wrdma_ch); + + ret = regmap_write(drvdata->lpaif_map, reg, 0); if (ret) dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", __func__, ret); @@ -193,10 +205,15 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); struct lpass_variant *v = drvdata->variant; - int ret, ch = pcm_data->rdma_ch; + int ret, ch, dir = substream->stream; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + ch = pcm_data->rdma_ch; + else + ch = pcm_data->wrdma_ch; ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMABASE_REG(v, ch), + LPAIF_DMABASE_REG(v, ch, dir), runtime->dma_addr); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmabase reg: %d\n", @@ -205,7 +222,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) } ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMABUFF_REG(v, ch), + LPAIF_DMABUFF_REG(v, ch, dir), (snd_pcm_lib_buffer_bytes(substream) >> 2) - 1); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmabuff reg: %d\n", @@ -214,7 +231,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) } ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMAPER_REG(v, ch), + LPAIF_DMAPER_REG(v, ch, dir), (snd_pcm_lib_period_bytes(substream) >> 2) - 1); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmaper reg: %d\n", @@ -223,8 +240,8 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) } ret = regmap_update_bits(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, ch), - LPAIF_RDMACTL_ENABLE_MASK, LPAIF_RDMACTL_ENABLE_ON); + LPAIF_DMACTL_REG(v, ch, dir), + LPAIF_DMACTL_ENABLE_MASK, LPAIF_DMACTL_ENABLE_ON); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", __func__, ret); @@ -242,7 +259,12 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream, struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); struct lpass_variant *v = drvdata->variant; - int ret, ch = pcm_data->rdma_ch; + int ret, ch, dir = substream->stream; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + ch = pcm_data->rdma_ch; + else + ch = pcm_data->wrdma_ch; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -269,9 +291,9 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream, } ret = regmap_update_bits(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, ch), - LPAIF_RDMACTL_ENABLE_MASK, - LPAIF_RDMACTL_ENABLE_ON); + LPAIF_DMACTL_REG(v, ch, dir), + LPAIF_DMACTL_ENABLE_MASK, + LPAIF_DMACTL_ENABLE_ON); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", __func__, ret); @@ -282,9 +304,9 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ret = regmap_update_bits(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, ch), - LPAIF_RDMACTL_ENABLE_MASK, - LPAIF_RDMACTL_ENABLE_OFF); + LPAIF_DMACTL_REG(v, ch, dir), + LPAIF_DMACTL_ENABLE_MASK, + LPAIF_DMACTL_ENABLE_OFF); if (ret) { dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", __func__, ret); @@ -314,10 +336,15 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( snd_soc_platform_get_drvdata(soc_runtime->platform); struct lpass_variant *v = drvdata->variant; unsigned int base_addr, curr_addr; - int ret, ch = pcm_data->rdma_ch; + int ret, ch, dir = substream->stream; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + ch = pcm_data->rdma_ch; + else + ch = pcm_data->wrdma_ch; ret = regmap_read(drvdata->lpaif_map, - LPAIF_RDMABASE_REG(v, ch), &base_addr); + LPAIF_DMABASE_REG(v, ch, dir), &base_addr); if (ret) { dev_err(soc_runtime->dev, "%s() error reading from rdmabase reg: %d\n", __func__, ret); @@ -325,7 +352,7 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( } ret = regmap_read(drvdata->lpaif_map, - LPAIF_RDMACURR_REG(v, ch), &curr_addr); + LPAIF_DMACURR_REG(v, ch, dir), &curr_addr); if (ret) { dev_err(soc_runtime->dev, "%s() error reading from rdmacurr reg: %d\n", __func__, ret); @@ -439,101 +466,124 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data) return IRQ_HANDLED; } -static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream, - struct snd_soc_pcm_runtime *rt) -{ - struct snd_dma_buffer *buf = &substream->dma_buffer; - size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; - - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = rt->platform->dev; - buf->private_data = NULL; - buf->area = dma_alloc_coherent(rt->platform->dev, size, &buf->addr, - GFP_KERNEL); - if (!buf->area) { - dev_err(rt->platform->dev, "%s: Could not allocate DMA buffer\n", - __func__); - return -ENOMEM; - } - buf->bytes = size; - - return 0; -} - -static void lpass_platform_free_buffer(struct snd_pcm_substream *substream, - struct snd_soc_pcm_runtime *rt) -{ - struct snd_dma_buffer *buf = &substream->dma_buffer; - - if (buf->area) { - dma_free_coherent(rt->dev, buf->bytes, buf->area, - buf->addr); - } - buf->area = NULL; -} - static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime) { struct snd_pcm *pcm = soc_runtime->pcm; - struct snd_pcm_substream *substream = - pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + struct snd_pcm_substream *psubstream, *csubstream; struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); struct lpass_variant *v = drvdata->variant; int ret; struct lpass_pcm_data *data; + size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - if (v->alloc_dma_channel) - data->rdma_ch = v->alloc_dma_channel(drvdata); + data->i2s_port = cpu_dai->driver->id; + snd_soc_pcm_set_drvdata(soc_runtime, data); - if (IS_ERR_VALUE(data->rdma_ch)) - return data->rdma_ch; + psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; + if (psubstream) { + if (v->alloc_dma_channel) + data->rdma_ch = v->alloc_dma_channel(drvdata, + SNDRV_PCM_STREAM_PLAYBACK); - drvdata->substream[data->rdma_ch] = substream; - data->i2s_port = cpu_dai->driver->id; + if (IS_ERR_VALUE(data->rdma_ch)) + return data->rdma_ch; - snd_soc_pcm_set_drvdata(soc_runtime, data); + drvdata->substream[data->rdma_ch] = psubstream; - ret = lpass_platform_alloc_buffer(substream, soc_runtime); - if (ret) - return ret; + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, + soc_runtime->platform->dev, + size, &psubstream->dma_buffer); + if (ret) + goto playback_alloc_err; - ret = regmap_write(drvdata->lpaif_map, + ret = regmap_write(drvdata->lpaif_map, LPAIF_RDMACTL_REG(v, data->rdma_ch), 0); - if (ret) { - dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n", + if (ret) { + dev_err(soc_runtime->dev, + "%s() error writing to rdmactl reg: %d\n", + __func__, ret); + goto capture_alloc_err; + } + } + + csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; + if (csubstream) { + if (v->alloc_dma_channel) + data->wrdma_ch = v->alloc_dma_channel(drvdata, + SNDRV_PCM_STREAM_CAPTURE); + + if (IS_ERR_VALUE(data->wrdma_ch)) + goto capture_alloc_err; + + drvdata->substream[data->wrdma_ch] = csubstream; + + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, + soc_runtime->platform->dev, + size, &csubstream->dma_buffer); + if (ret) + goto capture_alloc_err; + + ret = regmap_write(drvdata->lpaif_map, + LPAIF_WRDMACTL_REG(v, data->wrdma_ch), 0); + if (ret) { + dev_err(soc_runtime->dev, + "%s() error writing to wrdmactl reg: %d\n", __func__, ret); - goto err_buf; + goto capture_reg_err; + } } return 0; -err_buf: - lpass_platform_free_buffer(substream, soc_runtime); +capture_reg_err: + if (csubstream) + snd_dma_free_pages(&csubstream->dma_buffer); + +capture_alloc_err: + if (psubstream) + snd_dma_free_pages(&psubstream->dma_buffer); + + playback_alloc_err: + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + return ret; } static void lpass_platform_pcm_free(struct snd_pcm *pcm) { - struct snd_pcm_substream *substream = - pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; - struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - struct lpass_data *drvdata = - snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *data = snd_soc_pcm_get_drvdata(soc_runtime); - struct lpass_variant *v = drvdata->variant; - - drvdata->substream[data->rdma_ch] = NULL; - - if (v->free_dma_channel) - v->free_dma_channel(drvdata, data->rdma_ch); - - lpass_platform_free_buffer(substream, soc_runtime); + struct snd_soc_pcm_runtime *rt; + struct lpass_data *drvdata; + struct lpass_pcm_data *data; + struct lpass_variant *v; + struct snd_pcm_substream *substream; + int ch, i; + + for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) { + substream = pcm->streams[i].substream; + if (substream) { + rt = substream->private_data; + data = snd_soc_pcm_get_drvdata(rt); + drvdata = snd_soc_platform_get_drvdata(rt->platform); + + ch = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + ? data->rdma_ch + : data->wrdma_ch; + v = drvdata->variant; + drvdata->substream[ch] = NULL; + if (v->free_dma_channel) + v->free_dma_channel(drvdata, ch); + + snd_dma_free_pages(&substream->dma_buffer); + substream->dma_buffer.area = NULL; + substream->dma_buffer.addr = 0; + } + } } static struct snd_soc_platform_driver lpass_platform_driver = { diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 0b63e2e5b..30714ad1e 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -50,7 +50,7 @@ struct lpass_data { struct lpass_variant *variant; /* bit map to keep track of static channel allocations */ - unsigned long rdma_ch_bit_map; + unsigned long dma_ch_bit_map; /* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; @@ -71,16 +71,20 @@ struct lpass_variant { u32 rdma_reg_base; u32 rdma_reg_stride; u32 rdma_channels; + u32 wrdma_reg_base; + u32 wrdma_reg_stride; + u32 wrdma_channels; /** * on SOCs like APQ8016 the channel control bits start * at different offset to ipq806x **/ - u32 rdmactl_audif_start; + u32 dmactl_audif_start; + u32 wrdma_channel_start; /* SOC specific intialization like clocks */ int (*init)(struct platform_device *pdev); int (*exit)(struct platform_device *pdev); - int (*alloc_dma_channel)(struct lpass_data *data); + int (*alloc_dma_channel)(struct lpass_data *data, int direction); int (*free_dma_channel)(struct lpass_data *data, int ch); /* SOC specific dais */ |