1 files changed, 49 insertions, 2 deletions

diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index 5c99b3dace86..d6e86c119e74 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -22,6 +22,8 @@
 #include <linux/regmap.h>
 
 #define LPASS_AHBIX_CLOCK_FREQUENCY             131072000
+#define LPASS_MAX_MI2S_PORTS                    (8)
+#define LPASS_MAX_DMA_CHANNELS                  (8)
 
 /* Both the CPU DAI and platform drivers will access this data */
 struct lpass_data {
@@ -30,10 +32,10 @@ struct lpass_data {
         struct clk *ahbix_clk;
 
         /* MI2S system clock */
-        struct clk *mi2s_osr_clk;
+        struct clk *mi2s_osr_clk[LPASS_MAX_MI2S_PORTS];
 
         /* MI2S bit clock (derived from system clock by a divider */
-        struct clk *mi2s_bit_clk;
+        struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
 
         /* low-power audio interface (LPAIF) registers */
         void __iomem *lpaif;
@@ -43,9 +45,54 @@ struct lpass_data {
 
         /* interrupts from the low-power audio interface (LPAIF) */
         int lpaif_irq;
+
+        /* SOC specific variations in the LPASS IP integration */
+        struct lpass_variant *variant;
+
+        /* bit map to keep track of static channel allocations */
+        unsigned long rdma_ch_bit_map;
+
+        /* used it for handling interrupt per dma channel */
+        struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
+
+        /* 8016 specific */
+        struct clk *pcnoc_mport_clk;
+        struct clk *pcnoc_sway_clk;
+};
+
+/* Vairant data per each SOC */
+struct lpass_variant {
+        u32     i2sctrl_reg_base;
+        u32     i2sctrl_reg_stride;
+        u32     i2s_ports;
+        u32     irq_reg_base;
+        u32     irq_reg_stride;
+        u32     irq_ports;
+        u32     rdma_reg_base;
+        u32     rdma_reg_stride;
+        u32     rdma_channels;
+
+        /**
+         * on SOCs like APQ8016 the channel control bits start
+         * at different offset to ipq806x
+         **/
+        u32     rdmactl_audif_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 (*free_dma_channel)(struct lpass_data *data, int ch);
+
+        /* SOC specific dais */
+        struct snd_soc_dai_driver *dai_driver;
+        int num_dai;
 };
 
 /* register the platform driver from the CPU DAI driver */
 int asoc_qcom_lpass_platform_register(struct platform_device *);
+int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
+int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
+int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
+extern struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
 
 #endif /* __LPASS_H__ */