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8#ifndef __LPASS_H__
9#define __LPASS_H__
10
11#include <linux/clk.h>
12#include <linux/compiler.h>
13#include <linux/platform_device.h>
14#include <linux/regmap.h>
15#include <dt-bindings/sound/qcom,lpass.h>
16#include "lpass-hdmi.h"
17
18#define LPASS_AHBIX_CLOCK_FREQUENCY 131072000
19#define LPASS_MAX_MI2S_PORTS (8)
20#define LPASS_MAX_DMA_CHANNELS (8)
21#define LPASS_MAX_HDMI_DMA_CHANNELS (4)
22
23#define QCOM_REGMAP_FIELD_ALLOC(d, m, f, mf) \
24 do { \
25 mf = devm_regmap_field_alloc(d, m, f); \
26 if (IS_ERR(mf)) \
27 return -EINVAL; \
28 } while (0)
29
30struct lpaif_i2sctl {
31 struct regmap_field *loopback;
32 struct regmap_field *spken;
33 struct regmap_field *spkmode;
34 struct regmap_field *spkmono;
35 struct regmap_field *micen;
36 struct regmap_field *micmode;
37 struct regmap_field *micmono;
38 struct regmap_field *wssrc;
39 struct regmap_field *bitwidth;
40};
41
42
43struct lpaif_dmactl {
44 struct regmap_field *intf;
45 struct regmap_field *bursten;
46 struct regmap_field *wpscnt;
47 struct regmap_field *fifowm;
48 struct regmap_field *enable;
49 struct regmap_field *dyncclk;
50 struct regmap_field *burst8;
51 struct regmap_field *burst16;
52 struct regmap_field *dynburst;
53};
54
55
56struct lpass_data {
57
58
59 struct clk *ahbix_clk;
60
61
62 struct clk *mi2s_osr_clk[LPASS_MAX_MI2S_PORTS];
63
64
65 struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
66
67
68 unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS];
69 unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS];
70 int hdmi_port_enable;
71 int bit_clk_state[LPASS_MAX_MI2S_PORTS];
72
73
74 void __iomem *lpaif;
75 void __iomem *hdmiif;
76
77
78 struct regmap *lpaif_map;
79 struct regmap *hdmiif_map;
80
81
82 int lpaif_irq;
83 int hdmiif_irq;
84
85 struct lpass_variant *variant;
86
87
88 unsigned long dma_ch_bit_map;
89 unsigned long hdmi_dma_ch_bit_map;
90
91
92 struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
93 struct snd_pcm_substream *hdmi_substream[LPASS_MAX_HDMI_DMA_CHANNELS];
94
95
96 struct clk_bulk_data *clks;
97 int num_clks;
98
99
100 struct lpaif_i2sctl *i2sctl;
101 struct lpaif_dmactl *rd_dmactl;
102 struct lpaif_dmactl *wr_dmactl;
103 struct lpaif_dmactl *hdmi_rd_dmactl;
104
105 struct regmap_field *hdmitx_legacy_en;
106 struct regmap_field *hdmitx_parity_calc_en;
107 struct regmap_field *hdmitx_ch_msb[LPASS_MAX_HDMI_DMA_CHANNELS];
108 struct regmap_field *hdmitx_ch_lsb[LPASS_MAX_HDMI_DMA_CHANNELS];
109 struct lpass_hdmi_tx_ctl *tx_ctl;
110 struct lpass_vbit_ctrl *vbit_ctl;
111 struct lpass_hdmitx_dmactl *hdmi_tx_dmactl[LPASS_MAX_HDMI_DMA_CHANNELS];
112 struct lpass_dp_metadata_ctl *meta_ctl;
113 struct lpass_sstream_ctl *sstream_ctl;
114};
115
116
117struct lpass_variant {
118 u32 irq_reg_base;
119 u32 irq_reg_stride;
120 u32 irq_ports;
121 u32 rdma_reg_base;
122 u32 rdma_reg_stride;
123 u32 rdma_channels;
124 u32 hdmi_rdma_reg_base;
125 u32 hdmi_rdma_reg_stride;
126 u32 hdmi_rdma_channels;
127 u32 wrdma_reg_base;
128 u32 wrdma_reg_stride;
129 u32 wrdma_channels;
130 u32 i2sctrl_reg_base;
131 u32 i2sctrl_reg_stride;
132 u32 i2s_ports;
133
134
135 struct reg_field loopback;
136 struct reg_field spken;
137 struct reg_field spkmode;
138 struct reg_field spkmono;
139 struct reg_field micen;
140 struct reg_field micmode;
141 struct reg_field micmono;
142 struct reg_field wssrc;
143 struct reg_field bitwidth;
144
145 u32 hdmi_irq_reg_base;
146 u32 hdmi_irq_reg_stride;
147 u32 hdmi_irq_ports;
148
149
150 u32 hdmi_tx_ctl_addr;
151 u32 hdmi_legacy_addr;
152 u32 hdmi_vbit_addr;
153 u32 hdmi_ch_lsb_addr;
154 u32 hdmi_ch_msb_addr;
155 u32 ch_stride;
156 u32 hdmi_parity_addr;
157 u32 hdmi_dmactl_addr;
158 u32 hdmi_dma_stride;
159 u32 hdmi_DP_addr;
160 u32 hdmi_sstream_addr;
161
162
163 struct reg_field sstream_en;
164 struct reg_field dma_sel;
165 struct reg_field auto_bbit_en;
166 struct reg_field layout;
167 struct reg_field layout_sp;
168 struct reg_field set_sp_on_en;
169 struct reg_field dp_audio;
170 struct reg_field dp_staffing_en;
171 struct reg_field dp_sp_b_hw_en;
172
173
174 struct reg_field mute;
175 struct reg_field as_sdp_cc;
176 struct reg_field as_sdp_ct;
177 struct reg_field aif_db4;
178 struct reg_field frequency;
179 struct reg_field mst_index;
180 struct reg_field dptx_index;
181
182
183 struct reg_field soft_reset;
184 struct reg_field force_reset;
185
186
187 struct reg_field use_hw_chs;
188 struct reg_field use_hw_usr;
189 struct reg_field hw_chs_sel;
190 struct reg_field hw_usr_sel;
191
192
193 struct reg_field replace_vbit;
194 struct reg_field vbit_stream;
195
196
197 struct reg_field legacy_en;
198
199
200 struct reg_field calc_en;
201
202
203 struct reg_field lsb_bits;
204
205
206 struct reg_field msb_bits;
207
208 struct reg_field hdmi_rdma_bursten;
209 struct reg_field hdmi_rdma_wpscnt;
210 struct reg_field hdmi_rdma_fifowm;
211 struct reg_field hdmi_rdma_enable;
212 struct reg_field hdmi_rdma_dyncclk;
213 struct reg_field hdmi_rdma_burst8;
214 struct reg_field hdmi_rdma_burst16;
215 struct reg_field hdmi_rdma_dynburst;
216
217
218 struct reg_field rdma_intf;
219 struct reg_field rdma_bursten;
220 struct reg_field rdma_wpscnt;
221 struct reg_field rdma_fifowm;
222 struct reg_field rdma_enable;
223 struct reg_field rdma_dyncclk;
224
225
226 struct reg_field wrdma_intf;
227 struct reg_field wrdma_bursten;
228 struct reg_field wrdma_wpscnt;
229 struct reg_field wrdma_fifowm;
230 struct reg_field wrdma_enable;
231 struct reg_field wrdma_dyncclk;
232
233
234
235
236
237 u32 dmactl_audif_start;
238 u32 wrdma_channel_start;
239
240 int (*init)(struct platform_device *pdev);
241 int (*exit)(struct platform_device *pdev);
242 int (*alloc_dma_channel)(struct lpass_data *data, int direction, unsigned int dai_id);
243 int (*free_dma_channel)(struct lpass_data *data, int ch, unsigned int dai_id);
244
245
246 struct snd_soc_dai_driver *dai_driver;
247 int num_dai;
248 const char * const *dai_osr_clk_names;
249 const char * const *dai_bit_clk_names;
250
251
252 const char **clk_name;
253 int num_clks;
254};
255
256
257int asoc_qcom_lpass_platform_register(struct platform_device *);
258int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
259void asoc_qcom_lpass_cpu_platform_shutdown(struct platform_device *pdev);
260int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
261int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
262extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
263
264#endif
265