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1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2020 Intel Corporation. All rights reserved.
4//
5// Author: Cezary Rojewski <cezary.rojewski@intel.com>
6//
7
8#include <linux/slab.h>
9#include "core.h"
10#include "messages.h"
11#include "registers.h"
12
13int catpt_ipc_get_fw_version(struct catpt_dev *cdev,
14 struct catpt_fw_version *version)
15{
16 union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_FW_VERSION);
17 struct catpt_ipc_msg request = {{0}}, reply;
18 int ret;
19
20 request.header = msg.val;
21 reply.size = sizeof(*version);
22 reply.data = version;
23
24 ret = catpt_dsp_send_msg(cdev, request, &reply);
25 if (ret)
26 dev_err(cdev->dev, "get fw version failed: %d\n", ret);
27
28 return ret;
29}
30
31struct catpt_alloc_stream_input {
32 enum catpt_path_id path_id:8;
33 enum catpt_stream_type stream_type:8;
34 enum catpt_format_id format_id:8;
35 u8 reserved;
36 struct catpt_audio_format input_format;
37 struct catpt_ring_info ring_info;
38 u8 num_entries;
39 /* flex array with entries here */
40 struct catpt_memory_info persistent_mem;
41 struct catpt_memory_info scratch_mem;
42 u32 num_notifications; /* obsolete */
43} __packed;
44
45int catpt_ipc_alloc_stream(struct catpt_dev *cdev,
46 enum catpt_path_id path_id,
47 enum catpt_stream_type type,
48 struct catpt_audio_format *afmt,
49 struct catpt_ring_info *rinfo,
50 u8 num_modules,
51 struct catpt_module_entry *modules,
52 struct resource *persistent,
53 struct resource *scratch,
54 struct catpt_stream_info *sinfo)
55{
56 union catpt_global_msg msg = CATPT_GLOBAL_MSG(ALLOCATE_STREAM);
57 struct catpt_alloc_stream_input input;
58 struct catpt_ipc_msg request, reply;
59 size_t size, arrsz;
60 u8 *payload;
61 off_t off;
62 int ret;
63
64 off = offsetof(struct catpt_alloc_stream_input, persistent_mem);
65 arrsz = sizeof(*modules) * num_modules;
66 size = sizeof(input) + arrsz;
67
68 payload = kzalloc(size, GFP_KERNEL);
69 if (!payload)
70 return -ENOMEM;
71
72 memset(&input, 0, sizeof(input));
73 input.path_id = path_id;
74 input.stream_type = type;
75 input.format_id = CATPT_FORMAT_PCM;
76 input.input_format = *afmt;
77 input.ring_info = *rinfo;
78 input.num_entries = num_modules;
79 input.persistent_mem.offset = catpt_to_dsp_offset(persistent->start);
80 input.persistent_mem.size = resource_size(persistent);
81 if (scratch) {
82 input.scratch_mem.offset = catpt_to_dsp_offset(scratch->start);
83 input.scratch_mem.size = resource_size(scratch);
84 }
85
86 /* re-arrange the input: account for flex array 'entries' */
87 memcpy(payload, &input, sizeof(input));
88 memmove(payload + off + arrsz, payload + off, sizeof(input) - off);
89 memcpy(payload + off, modules, arrsz);
90
91 request.header = msg.val;
92 request.size = size;
93 request.data = payload;
94 reply.size = sizeof(*sinfo);
95 reply.data = sinfo;
96
97 ret = catpt_dsp_send_msg(cdev, request, &reply);
98 if (ret)
99 dev_err(cdev->dev, "alloc stream type %d failed: %d\n",
100 type, ret);
101
102 kfree(payload);
103 return ret;
104}
105
106int catpt_ipc_free_stream(struct catpt_dev *cdev, u8 stream_hw_id)
107{
108 union catpt_global_msg msg = CATPT_GLOBAL_MSG(FREE_STREAM);
109 struct catpt_ipc_msg request;
110 int ret;
111
112 request.header = msg.val;
113 request.size = sizeof(stream_hw_id);
114 request.data = &stream_hw_id;
115
116 ret = catpt_dsp_send_msg(cdev, request, NULL);
117 if (ret)
118 dev_err(cdev->dev, "free stream %d failed: %d\n",
119 stream_hw_id, ret);
120
121 return ret;
122}
123
124int catpt_ipc_set_device_format(struct catpt_dev *cdev,
125 struct catpt_ssp_device_format *devfmt)
126{
127 union catpt_global_msg msg = CATPT_GLOBAL_MSG(SET_DEVICE_FORMATS);
128 struct catpt_ipc_msg request;
129 int ret;
130
131 request.header = msg.val;
132 request.size = sizeof(*devfmt);
133 request.data = devfmt;
134
135 ret = catpt_dsp_send_msg(cdev, request, NULL);
136 if (ret)
137 dev_err(cdev->dev, "set device format failed: %d\n", ret);
138
139 return ret;
140}
141
142int catpt_ipc_enter_dxstate(struct catpt_dev *cdev, enum catpt_dx_state state,
143 struct catpt_dx_context *context)
144{
145 union catpt_global_msg msg = CATPT_GLOBAL_MSG(ENTER_DX_STATE);
146 struct catpt_ipc_msg request, reply;
147 int ret;
148
149 request.header = msg.val;
150 request.size = sizeof(state);
151 request.data = &state;
152 reply.size = sizeof(*context);
153 reply.data = context;
154
155 ret = catpt_dsp_send_msg(cdev, request, &reply);
156 if (ret)
157 dev_err(cdev->dev, "enter dx state failed: %d\n", ret);
158
159 return ret;
160}
161
162int catpt_ipc_get_mixer_stream_info(struct catpt_dev *cdev,
163 struct catpt_mixer_stream_info *info)
164{
165 union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_MIXER_STREAM_INFO);
166 struct catpt_ipc_msg request = {{0}}, reply;
167 int ret;
168
169 request.header = msg.val;
170 reply.size = sizeof(*info);
171 reply.data = info;
172
173 ret = catpt_dsp_send_msg(cdev, request, &reply);
174 if (ret)
175 dev_err(cdev->dev, "get mixer info failed: %d\n", ret);
176
177 return ret;
178}
179
180int catpt_ipc_reset_stream(struct catpt_dev *cdev, u8 stream_hw_id)
181{
182 union catpt_stream_msg msg = CATPT_STREAM_MSG(RESET_STREAM);
183 struct catpt_ipc_msg request = {{0}};
184 int ret;
185
186 msg.stream_hw_id = stream_hw_id;
187 request.header = msg.val;
188
189 ret = catpt_dsp_send_msg(cdev, request, NULL);
190 if (ret)
191 dev_err(cdev->dev, "reset stream %d failed: %d\n",
192 stream_hw_id, ret);
193
194 return ret;
195}
196
197int catpt_ipc_pause_stream(struct catpt_dev *cdev, u8 stream_hw_id)
198{
199 union catpt_stream_msg msg = CATPT_STREAM_MSG(PAUSE_STREAM);
200 struct catpt_ipc_msg request = {{0}};
201 int ret;
202
203 msg.stream_hw_id = stream_hw_id;
204 request.header = msg.val;
205
206 ret = catpt_dsp_send_msg(cdev, request, NULL);
207 if (ret)
208 dev_err(cdev->dev, "pause stream %d failed: %d\n",
209 stream_hw_id, ret);
210
211 return ret;
212}
213
214int catpt_ipc_resume_stream(struct catpt_dev *cdev, u8 stream_hw_id)
215{
216 union catpt_stream_msg msg = CATPT_STREAM_MSG(RESUME_STREAM);
217 struct catpt_ipc_msg request = {{0}};
218 int ret;
219
220 msg.stream_hw_id = stream_hw_id;
221 request.header = msg.val;
222
223 ret = catpt_dsp_send_msg(cdev, request, NULL);
224 if (ret)
225 dev_err(cdev->dev, "resume stream %d failed: %d\n",
226 stream_hw_id, ret);
227
228 return ret;
229}
230
231struct catpt_set_volume_input {
232 u32 channel;
233 u32 target_volume;
234 u64 curve_duration;
235 u32 curve_type;
236} __packed;
237
238int catpt_ipc_set_volume(struct catpt_dev *cdev, u8 stream_hw_id,
239 u32 channel, u32 volume,
240 u32 curve_duration,
241 enum catpt_audio_curve_type curve_type)
242{
243 union catpt_stream_msg msg = CATPT_STAGE_MSG(SET_VOLUME);
244 struct catpt_ipc_msg request;
245 struct catpt_set_volume_input input;
246 int ret;
247
248 msg.stream_hw_id = stream_hw_id;
249 input.channel = channel;
250 input.target_volume = volume;
251 input.curve_duration = curve_duration;
252 input.curve_type = curve_type;
253
254 request.header = msg.val;
255 request.size = sizeof(input);
256 request.data = &input;
257
258 ret = catpt_dsp_send_msg(cdev, request, NULL);
259 if (ret)
260 dev_err(cdev->dev, "set stream %d volume failed: %d\n",
261 stream_hw_id, ret);
262
263 return ret;
264}
265
266struct catpt_set_write_pos_input {
267 u32 new_write_pos;
268 bool end_of_buffer;
269 bool low_latency;
270} __packed;
271
272int catpt_ipc_set_write_pos(struct catpt_dev *cdev, u8 stream_hw_id,
273 u32 pos, bool eob, bool ll)
274{
275 union catpt_stream_msg msg = CATPT_STAGE_MSG(SET_WRITE_POSITION);
276 struct catpt_ipc_msg request;
277 struct catpt_set_write_pos_input input;
278 int ret;
279
280 msg.stream_hw_id = stream_hw_id;
281 input.new_write_pos = pos;
282 input.end_of_buffer = eob;
283 input.low_latency = ll;
284
285 request.header = msg.val;
286 request.size = sizeof(input);
287 request.data = &input;
288
289 ret = catpt_dsp_send_msg(cdev, request, NULL);
290 if (ret)
291 dev_err(cdev->dev, "set stream %d write pos failed: %d\n",
292 stream_hw_id, ret);
293
294 return ret;
295}
296
297int catpt_ipc_mute_loopback(struct catpt_dev *cdev, u8 stream_hw_id, bool mute)
298{
299 union catpt_stream_msg msg = CATPT_STAGE_MSG(MUTE_LOOPBACK);
300 struct catpt_ipc_msg request;
301 int ret;
302
303 msg.stream_hw_id = stream_hw_id;
304 request.header = msg.val;
305 request.size = sizeof(mute);
306 request.data = &mute;
307
308 ret = catpt_dsp_send_msg(cdev, request, NULL);
309 if (ret)
310 dev_err(cdev->dev, "mute loopback failed: %d\n", ret);
311
312 return ret;
313}