Add lpass interface memebers to support audio path over codec dma.
Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com Reviewed-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/lpass.h | 116 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+)
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index f0d21cd..7cc3763 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -20,6 +20,17 @@ #define LPASS_MAX_MI2S_PORTS (8) #define LPASS_MAX_DMA_CHANNELS (8) #define LPASS_MAX_HDMI_DMA_CHANNELS (4) +#define LPASS_MAX_CDC_DMA_CHANNELS (8) +#define LPASS_MAX_VA_CDC_DMA_CHANNELS (8) +#define LPASS_CDC_DMA_INTF_ONE_CHANNEL (0x01) +#define LPASS_CDC_DMA_INTF_TWO_CHANNEL (0x03) +#define LPASS_CDC_DMA_INTF_FOUR_CHANNEL (0x0F) +#define LPASS_CDC_DMA_INTF_SIX_CHANNEL (0x3F) +#define LPASS_CDC_DMA_INTF_EIGHT_CHANNEL (0xFF) + +#define LPASS_MAX_CDC_CLKS (9) +#define LPASS_ACTIVE_PDS (4) +#define LPASS_PROXY_PDS (8)
#define QCOM_REGMAP_FIELD_ALLOC(d, m, f, mf) \ do { \ @@ -51,6 +62,12 @@ struct lpaif_dmactl { struct regmap_field *burst8; struct regmap_field *burst16; struct regmap_field *dynburst; + struct regmap_field *codec_enable; + struct regmap_field *codec_pack; + struct regmap_field *codec_intf; + struct regmap_field *codec_fs_sel; + struct regmap_field *codec_channel; + struct regmap_field *codec_fs_delay; };
/* Both the CPU DAI and platform drivers will access this data */ @@ -65,6 +82,8 @@ struct lpass_data { /* MI2S bit clock (derived from system clock by a divider */ struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
+ struct clk *cdc_dma_clks[LPASS_MAX_CDC_CLKS]; + /* MI2S SD lines to use for playback/capture */ unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS]; unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS]; @@ -73,38 +92,61 @@ struct lpass_data { bool mi2s_was_prepared[LPASS_MAX_MI2S_PORTS];
int hdmi_port_enable; + int codec_dma_enable;
/* low-power audio interface (LPAIF) registers */ void __iomem *lpaif; void __iomem *hdmiif; + void __iomem *rxtx_lpaif; + void __iomem *va_lpaif; + + u32 rxtx_cdc_dma_lpm_buf; + u32 va_cdc_dma_lpm_buf;
/* regmap backed by the low-power audio interface (LPAIF) registers */ struct regmap *lpaif_map; struct regmap *hdmiif_map; + struct regmap *rxtx_lpaif_map; + struct regmap *va_lpaif_map;
/* interrupts from the low-power audio interface (LPAIF) */ int lpaif_irq; int hdmiif_irq; + int rxtxif_irq; + int vaif_irq; + /* SOC specific variations in the LPASS IP integration */ struct lpass_variant *variant;
/* bit map to keep track of static channel allocations */ unsigned long dma_ch_bit_map; unsigned long hdmi_dma_ch_bit_map; + unsigned long rxtx_dma_ch_bit_map; + unsigned long va_dma_ch_bit_map;
/* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; struct snd_pcm_substream *hdmi_substream[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct snd_pcm_substream *rxtx_substream[LPASS_MAX_CDC_DMA_CHANNELS]; + struct snd_pcm_substream *va_substream[LPASS_MAX_CDC_DMA_CHANNELS];
/* SOC specific clock list */ struct clk_bulk_data *clks; int num_clks; + struct clk_bulk_data *cdc_clks; + int cdc_num_clks;
/* Regmap fields of I2SCTL & DMACTL registers bitfields */ struct lpaif_i2sctl *i2sctl; struct lpaif_dmactl *rd_dmactl; struct lpaif_dmactl *wr_dmactl; struct lpaif_dmactl *hdmi_rd_dmactl; + + /* Regmap fields of CODEC DMA CTRL registers*/ + struct lpaif_dmactl *rxtx_rd_dmactl; + struct lpaif_dmactl *rxtx_wr_dmactl; + struct lpaif_dmactl *va_wr_dmactl; + /* Regmap fields of HDMI_CTRL registers*/ struct regmap_field *hdmitx_legacy_en; struct regmap_field *hdmitx_parity_calc_en; @@ -131,6 +173,24 @@ struct lpass_variant { u32 wrdma_reg_base; u32 wrdma_reg_stride; u32 wrdma_channels; + u32 rxtx_irq_reg_base; + u32 rxtx_irq_reg_stride; + u32 rxtx_irq_ports; + u32 rxtx_rdma_reg_base; + u32 rxtx_rdma_reg_stride; + u32 rxtx_rdma_channels; + u32 rxtx_wrdma_reg_base; + u32 rxtx_wrdma_reg_stride; + u32 rxtx_wrdma_channels; + u32 va_irq_reg_base; + u32 va_irq_reg_stride; + u32 va_irq_ports; + u32 va_rdma_reg_base; + u32 va_rdma_reg_stride; + u32 va_rdma_channels; + u32 va_wrdma_reg_base; + u32 va_wrdma_reg_stride; + u32 va_wrdma_channels; u32 i2sctrl_reg_base; u32 i2sctrl_reg_stride; u32 i2s_ports; @@ -234,12 +294,66 @@ struct lpass_variant { struct reg_field wrdma_enable; struct reg_field wrdma_dyncclk;
+ /*CDC RXTX RD_DMA */ + struct reg_field rxtx_rdma_intf; + struct reg_field rxtx_rdma_bursten; + struct reg_field rxtx_rdma_wpscnt; + struct reg_field rxtx_rdma_fifowm; + struct reg_field rxtx_rdma_enable; + struct reg_field rxtx_rdma_dyncclk; + struct reg_field rxtx_rdma_burst8; + struct reg_field rxtx_rdma_burst16; + struct reg_field rxtx_rdma_dynburst; + struct reg_field rxtx_rdma_codec_enable; + struct reg_field rxtx_rdma_codec_pack; + struct reg_field rxtx_rdma_codec_intf; + struct reg_field rxtx_rdma_codec_fs_sel; + struct reg_field rxtx_rdma_codec_ch; + struct reg_field rxtx_rdma_codec_fs_delay; + + /*CDC RXTX WR_DMA */ + struct reg_field rxtx_wrdma_intf; + struct reg_field rxtx_wrdma_bursten; + struct reg_field rxtx_wrdma_wpscnt; + struct reg_field rxtx_wrdma_fifowm; + struct reg_field rxtx_wrdma_enable; + struct reg_field rxtx_wrdma_dyncclk; + struct reg_field rxtx_wrdma_burst8; + struct reg_field rxtx_wrdma_burst16; + struct reg_field rxtx_wrdma_dynburst; + struct reg_field rxtx_wrdma_codec_enable; + struct reg_field rxtx_wrdma_codec_pack; + struct reg_field rxtx_wrdma_codec_intf; + struct reg_field rxtx_wrdma_codec_fs_sel; + struct reg_field rxtx_wrdma_codec_ch; + struct reg_field rxtx_wrdma_codec_fs_delay; + + /*CDC VA WR_DMA */ + struct reg_field va_wrdma_intf; + struct reg_field va_wrdma_bursten; + struct reg_field va_wrdma_wpscnt; + struct reg_field va_wrdma_fifowm; + struct reg_field va_wrdma_enable; + struct reg_field va_wrdma_dyncclk; + struct reg_field va_wrdma_burst8; + struct reg_field va_wrdma_burst16; + struct reg_field va_wrdma_dynburst; + struct reg_field va_wrdma_codec_enable; + struct reg_field va_wrdma_codec_pack; + struct reg_field va_wrdma_codec_intf; + struct reg_field va_wrdma_codec_fs_sel; + struct reg_field va_wrdma_codec_ch; + struct reg_field va_wrdma_codec_fs_delay; + /** * on SOCs like APQ8016 the channel control bits start * at different offset to ipq806x **/ u32 dmactl_audif_start; u32 wrdma_channel_start; + u32 rxtx_wrdma_channel_start; + u32 va_wrdma_channel_start; + /* SOC specific initialization like clocks */ int (*init)(struct platform_device *pdev); int (*exit)(struct platform_device *pdev); @@ -251,10 +365,12 @@ struct lpass_variant { int num_dai; const char * const *dai_osr_clk_names; const char * const *dai_bit_clk_names; + const char * const *cdc_dma_clk_names;
/* SOC specific clocks configuration */ const char **clk_name; int num_clks; + int cdc_dma_num_clks; };
struct lpass_pcm_data {