1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
5 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
8 #include <linux/slab.h>
11 #include "registers.h"
13 int catpt_ipc_get_fw_version(struct catpt_dev *cdev,
14 struct catpt_fw_version *version)
16 union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_FW_VERSION);
17 struct catpt_ipc_msg request = {{0}}, reply;
20 request.header = msg.val;
21 reply.size = sizeof(*version);
24 ret = catpt_dsp_send_msg(cdev, request, &reply);
26 dev_err(cdev->dev, "get fw version failed: %d\n", ret);
31 struct 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;
36 struct catpt_audio_format input_format;
37 struct catpt_ring_info ring_info;
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 */
45 int 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,
51 struct catpt_module_entry *modules,
52 struct resource *persistent,
53 struct resource *scratch,
54 struct catpt_stream_info *sinfo)
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;
64 off = offsetof(struct catpt_alloc_stream_input, persistent_mem);
65 arrsz = sizeof(*modules) * num_modules;
66 size = sizeof(input) + arrsz;
68 payload = kzalloc(size, GFP_KERNEL);
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);
82 input.scratch_mem.offset = catpt_to_dsp_offset(scratch->start);
83 input.scratch_mem.size = resource_size(scratch);
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);
91 request.header = msg.val;
93 request.data = payload;
94 reply.size = sizeof(*sinfo);
97 ret = catpt_dsp_send_msg(cdev, request, &reply);
99 dev_err(cdev->dev, "alloc stream type %d failed: %d\n",
106 int catpt_ipc_free_stream(struct catpt_dev *cdev, u8 stream_hw_id)
108 union catpt_global_msg msg = CATPT_GLOBAL_MSG(FREE_STREAM);
109 struct catpt_ipc_msg request;
112 request.header = msg.val;
113 request.size = sizeof(stream_hw_id);
114 request.data = &stream_hw_id;
116 ret = catpt_dsp_send_msg(cdev, request, NULL);
118 dev_err(cdev->dev, "free stream %d failed: %d\n",
124 int catpt_ipc_set_device_format(struct catpt_dev *cdev,
125 struct catpt_ssp_device_format *devfmt)
127 union catpt_global_msg msg = CATPT_GLOBAL_MSG(SET_DEVICE_FORMATS);
128 struct catpt_ipc_msg request;
131 request.header = msg.val;
132 request.size = sizeof(*devfmt);
133 request.data = devfmt;
135 ret = catpt_dsp_send_msg(cdev, request, NULL);
137 dev_err(cdev->dev, "set device format failed: %d\n", ret);
142 int catpt_ipc_enter_dxstate(struct catpt_dev *cdev, enum catpt_dx_state state,
143 struct catpt_dx_context *context)
145 union catpt_global_msg msg = CATPT_GLOBAL_MSG(ENTER_DX_STATE);
146 struct catpt_ipc_msg request, reply;
149 request.header = msg.val;
150 request.size = sizeof(state);
151 request.data = &state;
152 reply.size = sizeof(*context);
153 reply.data = context;
155 ret = catpt_dsp_send_msg(cdev, request, &reply);
157 dev_err(cdev->dev, "enter dx state failed: %d\n", ret);
162 int catpt_ipc_get_mixer_stream_info(struct catpt_dev *cdev,
163 struct catpt_mixer_stream_info *info)
165 union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_MIXER_STREAM_INFO);
166 struct catpt_ipc_msg request = {{0}}, reply;
169 request.header = msg.val;
170 reply.size = sizeof(*info);
173 ret = catpt_dsp_send_msg(cdev, request, &reply);
175 dev_err(cdev->dev, "get mixer info failed: %d\n", ret);
180 int catpt_ipc_reset_stream(struct catpt_dev *cdev, u8 stream_hw_id)
182 union catpt_stream_msg msg = CATPT_STREAM_MSG(RESET_STREAM);
183 struct catpt_ipc_msg request = {{0}};
186 msg.stream_hw_id = stream_hw_id;
187 request.header = msg.val;
189 ret = catpt_dsp_send_msg(cdev, request, NULL);
191 dev_err(cdev->dev, "reset stream %d failed: %d\n",
197 int catpt_ipc_pause_stream(struct catpt_dev *cdev, u8 stream_hw_id)
199 union catpt_stream_msg msg = CATPT_STREAM_MSG(PAUSE_STREAM);
200 struct catpt_ipc_msg request = {{0}};
203 msg.stream_hw_id = stream_hw_id;
204 request.header = msg.val;
206 ret = catpt_dsp_send_msg(cdev, request, NULL);
208 dev_err(cdev->dev, "pause stream %d failed: %d\n",
214 int catpt_ipc_resume_stream(struct catpt_dev *cdev, u8 stream_hw_id)
216 union catpt_stream_msg msg = CATPT_STREAM_MSG(RESUME_STREAM);
217 struct catpt_ipc_msg request = {{0}};
220 msg.stream_hw_id = stream_hw_id;
221 request.header = msg.val;
223 ret = catpt_dsp_send_msg(cdev, request, NULL);
225 dev_err(cdev->dev, "resume stream %d failed: %d\n",
231 struct catpt_set_volume_input {
238 int catpt_ipc_set_volume(struct catpt_dev *cdev, u8 stream_hw_id,
239 u32 channel, u32 volume,
241 enum catpt_audio_curve_type curve_type)
243 union catpt_stream_msg msg = CATPT_STAGE_MSG(SET_VOLUME);
244 struct catpt_ipc_msg request;
245 struct catpt_set_volume_input input;
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;
254 request.header = msg.val;
255 request.size = sizeof(input);
256 request.data = &input;
258 ret = catpt_dsp_send_msg(cdev, request, NULL);
260 dev_err(cdev->dev, "set stream %d volume failed: %d\n",
266 struct catpt_set_write_pos_input {
272 int catpt_ipc_set_write_pos(struct catpt_dev *cdev, u8 stream_hw_id,
273 u32 pos, bool eob, bool ll)
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;
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;
285 request.header = msg.val;
286 request.size = sizeof(input);
287 request.data = &input;
289 ret = catpt_dsp_send_msg(cdev, request, NULL);
291 dev_err(cdev->dev, "set stream %d write pos failed: %d\n",
297 int catpt_ipc_mute_loopback(struct catpt_dev *cdev, u8 stream_hw_id, bool mute)
299 union catpt_stream_msg msg = CATPT_STAGE_MSG(MUTE_LOOPBACK);
300 struct catpt_ipc_msg request;
303 msg.stream_hw_id = stream_hw_id;
304 request.header = msg.val;
305 request.size = sizeof(mute);
306 request.data = &mute;
308 ret = catpt_dsp_send_msg(cdev, request, NULL);
310 dev_err(cdev->dev, "mute loopback failed: %d\n", ret);