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13 #ifndef SOUND_SOC_SKL_SSP_CLK_H
14 #define SOUND_SOC_SKL_SSP_CLK_H
15
16 #define SKL_MAX_SSP 6
17
18 #define SKL_MAX_CLK_SRC 3
19 #define SKL_MAX_SSP_CLK_TYPES 3
20
21 #define SKL_MAX_CLK_CNT (SKL_MAX_SSP * SKL_MAX_SSP_CLK_TYPES)
22
23
24 #define SKL_MAX_CLK_RATES 10
25
26 #define SKL_SCLK_OFS SKL_MAX_SSP
27 #define SKL_SCLKFS_OFS (SKL_SCLK_OFS + SKL_MAX_SSP)
28
29 enum skl_clk_type {
30 SKL_MCLK,
31 SKL_SCLK,
32 SKL_SCLK_FS,
33 };
34
35 enum skl_clk_src_type {
36 SKL_XTAL,
37 SKL_CARDINAL,
38 SKL_PLL,
39 };
40
41 struct skl_clk_parent_src {
42 u8 clk_id;
43 const char *name;
44 unsigned long rate;
45 const char *parent_name;
46 };
47
48 struct skl_tlv_hdr {
49 u32 type;
50 u32 size;
51 };
52
53 struct skl_dmactrl_mclk_cfg {
54 struct skl_tlv_hdr hdr;
55
56 u32 clk_warm_up:16;
57 u32 mclk:1;
58 u32 warm_up_over:1;
59 u32 rsvd0:14;
60 u32 clk_stop_delay:16;
61 u32 keep_running:1;
62 u32 clk_stop_over:1;
63 u32 rsvd1:14;
64 };
65
66 struct skl_dmactrl_sclkfs_cfg {
67 struct skl_tlv_hdr hdr;
68
69 u32 sampling_frequency;
70 u32 bit_depth;
71 u32 channel_map;
72 u32 channel_config;
73 u32 interleaving_style;
74 u32 number_of_channels : 8;
75 u32 valid_bit_depth : 8;
76 u32 sample_type : 8;
77 u32 reserved : 8;
78 };
79
80 union skl_clk_ctrl_ipc {
81 struct skl_dmactrl_mclk_cfg mclk;
82 struct skl_dmactrl_sclkfs_cfg sclk_fs;
83 };
84
85 struct skl_clk_rate_cfg_table {
86 unsigned long rate;
87 union skl_clk_ctrl_ipc dma_ctl_ipc;
88 void *config;
89 };
90
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93
94
95 struct skl_ssp_clk {
96 const char *name;
97 const char *parent_name;
98 struct skl_clk_rate_cfg_table rate_cfg[SKL_MAX_CLK_RATES];
99 };
100
101 struct skl_clk_pdata {
102 struct skl_clk_parent_src *parent_clks;
103 int num_clks;
104 struct skl_ssp_clk *ssp_clks;
105 void *pvt_data;
106 };
107
108 #endif