1 // SPDX-License-Identifier: GPL-2.0-only
3  *  skl-nhlt.c - Intel SKL Platform NHLT parsing
12 #include <sound/intel-nhlt.h>
14 #include "skl-i2s.h"
22 	struct nhlt_fmt_cfg *fmt_config = fmt->fmt_config;  in skl_get_specific_cfg()
25 	dev_dbg(dev, "Format count =%d\n", fmt->fmt_count);  in skl_get_specific_cfg()
27 	for (i = 0; i < fmt->fmt_count; i++) {  in skl_get_specific_cfg()
28 		wfmt = &fmt_config->fmt_ext.fmt;  in skl_get_specific_cfg()
29 		dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", wfmt->channels,  in skl_get_specific_cfg()
30 			 wfmt->bits_per_sample, wfmt->samples_per_sec);  in skl_get_specific_cfg()
31 		if (wfmt->channels == no_ch && wfmt->bits_per_sample == bps) {  in skl_get_specific_cfg()
36 			sp_config = &fmt_config->config;  in skl_get_specific_cfg()
40 			if (wfmt->samples_per_sec == rate)  in skl_get_specific_cfg()
44 		fmt_config = (struct nhlt_fmt_cfg *)(fmt_config->config.caps +  in skl_get_specific_cfg()
45 						fmt_config->config.size);  in skl_get_specific_cfg()
63 	dev_dbg(dev, "vbus_id=%d link_type=%d dir=%d dev_type = %d\n",  in skl_check_ep_match()
64 			epnt->virtual_bus_id, epnt->linktype,  in skl_check_ep_match()
65 			epnt->direction, epnt->device_type);  in skl_check_ep_match()
67 	if ((epnt->virtual_bus_id == instance_id) &&  in skl_check_ep_match()
68 			(epnt->linktype == link_type) &&  in skl_check_ep_match()
69 			(epnt->direction == dirn)) {  in skl_check_ep_match()
71 		if (epnt->linktype == NHLT_LINK_DMIC)  in skl_check_ep_match()
74 		if (epnt->device_type == dev_type)  in skl_check_ep_match()
89 	struct device *dev = bus->dev;  in skl_get_ep_blob()
91 	struct nhlt_acpi_table *nhlt = skl->nhlt;  in skl_get_ep_blob()
97 	epnt = (struct nhlt_endpoint *)nhlt->desc;  in skl_get_ep_blob()
99 	dev_dbg(dev, "endpoint count =%d\n", nhlt->endpoint_count);  in skl_get_ep_blob()
101 	for (j = 0; j < nhlt->endpoint_count; j++) {  in skl_get_ep_blob()
104 			fmt = (struct nhlt_fmt *)(epnt->config.caps +  in skl_get_ep_blob()
105 						 epnt->config.size);  in skl_get_ep_blob()
112 		epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);  in skl_get_ep_blob()
135 	struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;  in skl_nhlt_update_topology_bin()
137 	struct device *dev = bus->dev;  in skl_nhlt_update_topology_bin()
140 		nhlt->header.oem_id, nhlt->header.oem_table_id,  in skl_nhlt_update_topology_bin()
141 		nhlt->header.oem_revision);  in skl_nhlt_update_topology_bin()
143 	snprintf(skl->tplg_name, sizeof(skl->tplg_name), "%x-%.6s-%.8s-%d%s",  in skl_nhlt_update_topology_bin()
144 		skl->pci_id, nhlt->header.oem_id, nhlt->header.oem_table_id,  in skl_nhlt_update_topology_bin()
145 		nhlt->header.oem_revision, "-tplg.bin");  in skl_nhlt_update_topology_bin()
147 	skl_nhlt_trim_space(skl->tplg_name);  in skl_nhlt_update_topology_bin()
158 	struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;  in platform_id_show()
161 	sprintf(platform_id, "%x-%.6s-%.8s-%d", skl->pci_id,  in platform_id_show()
162 			nhlt->header.oem_id, nhlt->header.oem_table_id,  in platform_id_show()
163 			nhlt->header.oem_revision);  in platform_id_show()
173 	struct device *dev = &skl->pci->dev;  in skl_nhlt_create_sysfs()
175 	if (sysfs_create_file(&dev->kobj, &dev_attr_platform_id.attr))  in skl_nhlt_create_sysfs()
183 	struct device *dev = &skl->pci->dev;  in skl_nhlt_remove_sysfs()
185 	if (skl->nhlt)  in skl_nhlt_remove_sysfs()
186 		sysfs_remove_file(&dev->kobj, &dev_attr_platform_id.attr);  in skl_nhlt_remove_sysfs()
214 	if (fmt->fmt_count == 0)  in skl_get_ssp_clks()
217 	for (i = 0; i < fmt->fmt_count; i++) {  in skl_get_ssp_clks()
218 		fmt_cfg = &fmt->fmt_config[i];  in skl_get_ssp_clks()
219 		wav_fmt = &fmt_cfg->fmt_ext;  in skl_get_ssp_clks()
221 		channels = wav_fmt->fmt.channels;  in skl_get_ssp_clks()
222 		bps = wav_fmt->fmt.bits_per_sample;  in skl_get_ssp_clks()
223 		fs = wav_fmt->fmt.samples_per_sec;  in skl_get_ssp_clks()
236 		for (j = i; j < fmt->fmt_count; j++) {  in skl_get_ssp_clks()
237 			fmt_cfg = &fmt->fmt_config[j];  in skl_get_ssp_clks()
238 			wav_fmt = &fmt_cfg->fmt_ext;  in skl_get_ssp_clks()
239 			if ((fs == wav_fmt->fmt.samples_per_sec) &&  in skl_get_ssp_clks()
240 			   (bps == wav_fmt->fmt.bits_per_sample))  in skl_get_ssp_clks()
242 						wav_fmt->fmt.channels);  in skl_get_ssp_clks()
259 						fmt->fmt_config[0].config.caps;  in skl_get_ssp_clks()
262 			if (is_legacy_blob(i2s_config_ext->hdr.sig)) {  in skl_get_ssp_clks()
264 				clk_src = get_clk_src(i2s_config->mclk,  in skl_get_ssp_clks()
267 				clk_src = get_clk_src(i2s_config_ext->mclk,  in skl_get_ssp_clks()
284 			sclk[id].parent_name = parent->name;  in skl_get_ssp_clks()
285 			sclkfs[id].parent_name = parent->name;  in skl_get_ssp_clks()
302 	fmt_cfg = &fmt->fmt_config[0].config;  in skl_get_mclk()
303 	i2s_config_ext = (struct skl_i2s_config_blob_ext *)fmt_cfg->caps;  in skl_get_mclk()
306 	if (is_legacy_blob(i2s_config_ext->hdr.sig)) {  in skl_get_mclk()
308 		clk_src = get_clk_src(i2s_config->mclk,  in skl_get_mclk()
310 		clkdiv = i2s_config->mclk.mdivr &  in skl_get_mclk()
313 		clk_src = get_clk_src(i2s_config_ext->mclk,  in skl_get_mclk()
315 		clkdiv = i2s_config_ext->mclk.mdivr[0] &  in skl_get_mclk()
331 	mclk[id].rate_cfg[0].rate = parent->rate/div_ratio;  in skl_get_mclk()
332 	mclk[id].rate_cfg[0].config = &fmt->fmt_config[0];  in skl_get_mclk()
333 	mclk[id].parent_name = parent->name;  in skl_get_mclk()
338 	struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;  in skl_get_clks()
344 	epnt = (struct nhlt_endpoint *)nhlt->desc;  in skl_get_clks()
345 	for (i = 0; i < nhlt->endpoint_count; i++) {  in skl_get_clks()
346 		if (epnt->linktype == NHLT_LINK_SSP) {  in skl_get_clks()
347 			id = epnt->virtual_bus_id;  in skl_get_clks()
349 			fmt = (struct nhlt_fmt *)(epnt->config.caps  in skl_get_clks()
350 					+ epnt->config.size);  in skl_get_clks()
355 		epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);  in skl_get_clks()