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Message-Id: <1638459806-27600-3-git-send-email-srivasam@codeaurora.com>
Date: Thu, 2 Dec 2021 21:13:18 +0530
From: Srinivasa Rao Mandadapu <srivasam@...eaurora.com>
To: agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
broonie@...nel.org, robh+dt@...nel.org, plai@...eaurora.org,
bgoswami@...eaurora.org, perex@...ex.cz, tiwai@...e.com,
srinivas.kandagatla@...aro.org, rohitkr@...eaurora.org,
linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
swboyd@...omium.org, judyhsiao@...omium.org
Cc: Srinivasa Rao Mandadapu <srivasam@...eaurora.org>,
Venkata Prasad Potturu <potturu@...eaurora.org>
Subject: [PATCH v7 02/10] ASoC: qcom: lpass: Add dma fields for codec dma lpass interface
From: Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
Add lpass interface memebers to support audio path over codec dma.
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@...eaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@...eaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
sound/soc/qcom/lpass.h | 133 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 133 insertions(+)
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index 63aaa6f..4142f12 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -19,6 +19,17 @@
#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 { \
@@ -50,6 +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 */
@@ -64,6 +81,25 @@ 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];
+
+ struct clk *xo;
+ struct clk *gcc_cfg_noc_lpass;
+ struct clk *core_cc_core;
+ struct clk *aon_cc_audio_hm_h;
+ struct clk *core_cc_sysnoc_mport_core;
+ struct clk *audio_cc_ext_mclk0;
+ struct clk *audio_cc_ext_mclk1;
+ struct clk *core_cc_lpm_core;
+ struct clk *core_cc_lpm_mem0_core;
+ struct clk *audio_cc_codec_mem;
+ struct clk *audio_cc_codec_mem0;
+ struct clk *audio_cc_codec_mem1;
+ struct clk *audio_cc_codec_mem2;
+ struct clk *audio_cc_rx_mclk_2x;
+ struct clk *audio_cc_rx_mclk;
+ struct clk *aon_cc_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];
@@ -72,38 +108,61 @@ 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;
@@ -130,6 +189,24 @@ 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;
@@ -233,12 +310,66 @@ 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);
@@ -250,10 +381,12 @@ 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 {
--
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