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ASoC: qcom: lpass: Add dma fields for codec dma lpass interface

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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>
Link: https://lore.kernel.org/r/1645716828-15305-3-git-send-email-quic_srivasam@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivasa Rao Mandadapu 2022-02-24 21:03:41 +05:30 committed by Mark Brown
parent 74190d7cd3
commit ddd60045ca
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 114 additions and 0 deletions
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114
sound/soc/qcom/lpass.h
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@ -20,6 +20,16 @@
#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_ACTIVE_PDS (4)
#define LPASS_PROXY_PDS (8)
#define QCOM_REGMAP_FIELD_ALLOC(d, m, f, mf) \
do { \
@ -51,6 +61,12 @@ 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 +81,11 @@ struct lpass_data {
/* MI2S bit clock (derived from system clock by a divider */
struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
struct clk *codec_mem0;
struct clk *codec_mem1;
struct clk *codec_mem2;
struct clk *va_mem0;
/* 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];
@ -73,28 +94,43 @@ 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;
@ -105,6 +141,12 @@ struct lpass_data {
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);