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Diffstat (limited to 'sound/soc/intel/skylake/skl-nhlt.c')
-rw-r--r--sound/soc/intel/skylake/skl-nhlt.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c
deleted file mode 100644
index d9c8f5cb389e..000000000000
--- a/sound/soc/intel/skylake/skl-nhlt.c
+++ /dev/null
@@ -1,357 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * skl-nhlt.c - Intel SKL Platform NHLT parsing
- *
- * Copyright (C) 2015 Intel Corp
- * Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-#include <linux/pci.h>
-#include <sound/intel-nhlt.h>
-#include "skl.h"
-#include "skl-i2s.h"
-
-static struct nhlt_specific_cfg *skl_get_specific_cfg(
- struct device *dev, struct nhlt_fmt *fmt,
- u8 no_ch, u32 rate, u16 bps, u8 linktype)
-{
- struct nhlt_specific_cfg *sp_config;
- struct wav_fmt *wfmt;
- struct nhlt_fmt_cfg *fmt_config = fmt->fmt_config;
- int i;
-
- dev_dbg(dev, "Format count =%d\n", fmt->fmt_count);
-
- for (i = 0; i < fmt->fmt_count; i++) {
- wfmt = &fmt_config->fmt_ext.fmt;
- dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", wfmt->channels,
- wfmt->bits_per_sample, wfmt->samples_per_sec);
- if (wfmt->channels == no_ch && wfmt->bits_per_sample == bps) {
- /*
- * if link type is dmic ignore rate check as the blob is
- * generic for all rates
- */
- sp_config = &fmt_config->config;
- if (linktype == NHLT_LINK_DMIC)
- return sp_config;
-
- if (wfmt->samples_per_sec == rate)
- return sp_config;
- }
-
- fmt_config = (struct nhlt_fmt_cfg *)(fmt_config->config.caps +
- fmt_config->config.size);
- }
-
- return NULL;
-}
-
-static void dump_config(struct device *dev, u32 instance_id, u8 linktype,
- u8 s_fmt, u8 num_channels, u32 s_rate, u8 dirn, u16 bps)
-{
- dev_dbg(dev, "Input configuration\n");
- dev_dbg(dev, "ch=%d fmt=%d s_rate=%d\n", num_channels, s_fmt, s_rate);
- dev_dbg(dev, "vbus_id=%d link_type=%d\n", instance_id, linktype);
- dev_dbg(dev, "bits_per_sample=%d\n", bps);
-}
-
-static bool skl_check_ep_match(struct device *dev, struct nhlt_endpoint *epnt,
- u32 instance_id, u8 link_type, u8 dirn, u8 dev_type)
-{
- dev_dbg(dev, "vbus_id=%d link_type=%d dir=%d dev_type = %d\n",
- epnt->virtual_bus_id, epnt->linktype,
- epnt->direction, epnt->device_type);
-
- if ((epnt->virtual_bus_id == instance_id) &&
- (epnt->linktype == link_type) &&
- (epnt->direction == dirn)) {
- /* do not check dev_type for DMIC link type */
- if (epnt->linktype == NHLT_LINK_DMIC)
- return true;
-
- if (epnt->device_type == dev_type)
- return true;
- }
-
- return false;
-}
-
-struct nhlt_specific_cfg
-*skl_get_ep_blob(struct skl_dev *skl, u32 instance, u8 link_type,
- u8 s_fmt, u8 num_ch, u32 s_rate,
- u8 dirn, u8 dev_type)
-{
- struct nhlt_fmt *fmt;
- struct nhlt_endpoint *epnt;
- struct hdac_bus *bus = skl_to_bus(skl);
- struct device *dev = bus->dev;
- struct nhlt_specific_cfg *sp_config;
- struct nhlt_acpi_table *nhlt = skl->nhlt;
- u16 bps = (s_fmt == 16) ? 16 : 32;
- u8 j;
-
- dump_config(dev, instance, link_type, s_fmt, num_ch, s_rate, dirn, bps);
-
- epnt = (struct nhlt_endpoint *)nhlt->desc;
-
- dev_dbg(dev, "endpoint count =%d\n", nhlt->endpoint_count);
-
- for (j = 0; j < nhlt->endpoint_count; j++) {
- if (skl_check_ep_match(dev, epnt, instance, link_type,
- dirn, dev_type)) {
- fmt = (struct nhlt_fmt *)(epnt->config.caps +
- epnt->config.size);
- sp_config = skl_get_specific_cfg(dev, fmt, num_ch,
- s_rate, bps, link_type);
- if (sp_config)
- return sp_config;
- }
-
- epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
- }
-
- return NULL;
-}
-
-static void skl_nhlt_trim_space(char *trim)
-{
- char *s = trim;
- int cnt;
- int i;
-
- cnt = 0;
- for (i = 0; s[i]; i++) {
- if (!isspace(s[i]))
- s[cnt++] = s[i];
- }
-
- s[cnt] = '\0';
-}
-
-int skl_nhlt_update_topology_bin(struct skl_dev *skl)
-{
- struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;
- struct hdac_bus *bus = skl_to_bus(skl);
- struct device *dev = bus->dev;
-
- dev_dbg(dev, "oem_id %.6s, oem_table_id %.8s oem_revision %d\n",
- nhlt->header.oem_id, nhlt->header.oem_table_id,
- nhlt->header.oem_revision);
-
- snprintf(skl->tplg_name, sizeof(skl->tplg_name), "%x-%.6s-%.8s-%d%s",
- skl->pci_id, nhlt->header.oem_id, nhlt->header.oem_table_id,
- nhlt->header.oem_revision, "-tplg.bin");
-
- skl_nhlt_trim_space(skl->tplg_name);
-
- return 0;
-}
-
-static ssize_t skl_nhlt_platform_id_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct pci_dev *pci = to_pci_dev(dev);
- struct hdac_bus *bus = pci_get_drvdata(pci);
- struct skl_dev *skl = bus_to_skl(bus);
- struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;
- char platform_id[32];
-
- sprintf(platform_id, "%x-%.6s-%.8s-%d", skl->pci_id,
- nhlt->header.oem_id, nhlt->header.oem_table_id,
- nhlt->header.oem_revision);
-
- skl_nhlt_trim_space(platform_id);
- return sprintf(buf, "%s\n", platform_id);
-}
-
-static DEVICE_ATTR(platform_id, 0444, skl_nhlt_platform_id_show, NULL);
-
-int skl_nhlt_create_sysfs(struct skl_dev *skl)
-{
- struct device *dev = &skl->pci->dev;
-
- if (sysfs_create_file(&dev->kobj, &dev_attr_platform_id.attr))
- dev_warn(dev, "Error creating sysfs entry\n");
-
- return 0;
-}
-
-void skl_nhlt_remove_sysfs(struct skl_dev *skl)
-{
- struct device *dev = &skl->pci->dev;
-
- if (skl->nhlt)
- sysfs_remove_file(&dev->kobj, &dev_attr_platform_id.attr);
-}
-
-/*
- * Queries NHLT for all the fmt configuration for a particular endpoint and
- * stores all possible rates supported in a rate table for the corresponding
- * sclk/sclkfs.
- */
-static void skl_get_ssp_clks(struct skl_dev *skl, struct skl_ssp_clk *ssp_clks,
- struct nhlt_fmt *fmt, u8 id)
-{
- struct skl_i2s_config_blob_ext *i2s_config_ext;
- struct skl_i2s_config_blob_legacy *i2s_config;
- struct skl_clk_parent_src *parent;
- struct skl_ssp_clk *sclk, *sclkfs;
- struct nhlt_fmt_cfg *fmt_cfg;
- struct wav_fmt_ext *wav_fmt;
- unsigned long rate = 0;
- bool present = false;
- int rate_index = 0;
- u16 channels, bps;
- u8 clk_src;
- int i, j;
- u32 fs;
-
- sclk = &ssp_clks[SKL_SCLK_OFS];
- sclkfs = &ssp_clks[SKL_SCLKFS_OFS];
-
- if (fmt->fmt_count == 0)
- return;
-
- for (i = 0; i < fmt->fmt_count; i++) {
- fmt_cfg = &fmt->fmt_config[i];
- wav_fmt = &fmt_cfg->fmt_ext;
-
- channels = wav_fmt->fmt.channels;
- bps = wav_fmt->fmt.bits_per_sample;
- fs = wav_fmt->fmt.samples_per_sec;
-
- /*
- * In case of TDM configuration on a ssp, there can
- * be more than one blob in which channel masks are
- * different for each usecase for a specific rate and bps.
- * But the sclk rate will be generated for the total
- * number of channels used for that endpoint.
- *
- * So for the given fs and bps, choose blob which has
- * the superset of all channels for that endpoint and
- * derive the rate.
- */
- for (j = i; j < fmt->fmt_count; j++) {
- fmt_cfg = &fmt->fmt_config[j];
- wav_fmt = &fmt_cfg->fmt_ext;
- if ((fs == wav_fmt->fmt.samples_per_sec) &&
- (bps == wav_fmt->fmt.bits_per_sample))
- channels = max_t(u16, channels,
- wav_fmt->fmt.channels);
- }
-
- rate = channels * bps * fs;
-
- /* check if the rate is added already to the given SSP's sclk */
- for (j = 0; (j < SKL_MAX_CLK_RATES) &&
- (sclk[id].rate_cfg[j].rate != 0); j++) {
- if (sclk[id].rate_cfg[j].rate == rate) {
- present = true;
- break;
- }
- }
-
- /* Fill rate and parent for sclk/sclkfs */
- if (!present) {
- i2s_config_ext = (struct skl_i2s_config_blob_ext *)
- fmt->fmt_config[0].config.caps;
-
- /* MCLK Divider Source Select */
- if (is_legacy_blob(i2s_config_ext->hdr.sig)) {
- i2s_config = ext_to_legacy_blob(i2s_config_ext);
- clk_src = get_clk_src(i2s_config->mclk,
- SKL_MNDSS_DIV_CLK_SRC_MASK);
- } else {
- clk_src = get_clk_src(i2s_config_ext->mclk,
- SKL_MNDSS_DIV_CLK_SRC_MASK);
- }
-
- parent = skl_get_parent_clk(clk_src);
-
- /*
- * Do not copy the config data if there is no parent
- * clock available for this clock source select
- */
- if (!parent)
- continue;
-
- sclk[id].rate_cfg[rate_index].rate = rate;
- sclk[id].rate_cfg[rate_index].config = fmt_cfg;
- sclkfs[id].rate_cfg[rate_index].rate = rate;
- sclkfs[id].rate_cfg[rate_index].config = fmt_cfg;
- sclk[id].parent_name = parent->name;
- sclkfs[id].parent_name = parent->name;
-
- rate_index++;
- }
- }
-}
-
-static void skl_get_mclk(struct skl_dev *skl, struct skl_ssp_clk *mclk,
- struct nhlt_fmt *fmt, u8 id)
-{
- struct skl_i2s_config_blob_ext *i2s_config_ext;
- struct skl_i2s_config_blob_legacy *i2s_config;
- struct nhlt_specific_cfg *fmt_cfg;
- struct skl_clk_parent_src *parent;
- u32 clkdiv, div_ratio;
- u8 clk_src;
-
- fmt_cfg = &fmt->fmt_config[0].config;
- i2s_config_ext = (struct skl_i2s_config_blob_ext *)fmt_cfg->caps;
-
- /* MCLK Divider Source Select and divider */
- if (is_legacy_blob(i2s_config_ext->hdr.sig)) {
- i2s_config = ext_to_legacy_blob(i2s_config_ext);
- clk_src = get_clk_src(i2s_config->mclk,
- SKL_MCLK_DIV_CLK_SRC_MASK);
- clkdiv = i2s_config->mclk.mdivr &
- SKL_MCLK_DIV_RATIO_MASK;
- } else {
- clk_src = get_clk_src(i2s_config_ext->mclk,
- SKL_MCLK_DIV_CLK_SRC_MASK);
- clkdiv = i2s_config_ext->mclk.mdivr[0] &
- SKL_MCLK_DIV_RATIO_MASK;
- }
-
- /* bypass divider */
- div_ratio = 1;
-
- if (clkdiv != SKL_MCLK_DIV_RATIO_MASK)
- /* Divider is 2 + clkdiv */
- div_ratio = clkdiv + 2;
-
- /* Calculate MCLK rate from source using div value */
- parent = skl_get_parent_clk(clk_src);
- if (!parent)
- return;
-
- mclk[id].rate_cfg[0].rate = parent->rate/div_ratio;
- mclk[id].rate_cfg[0].config = &fmt->fmt_config[0];
- mclk[id].parent_name = parent->name;
-}
-
-void skl_get_clks(struct skl_dev *skl, struct skl_ssp_clk *ssp_clks)
-{
- struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt;
- struct nhlt_endpoint *epnt;
- struct nhlt_fmt *fmt;
- int i;
- u8 id;
-
- epnt = (struct nhlt_endpoint *)nhlt->desc;
- for (i = 0; i < nhlt->endpoint_count; i++) {
- if (epnt->linktype == NHLT_LINK_SSP) {
- id = epnt->virtual_bus_id;
-
- fmt = (struct nhlt_fmt *)(epnt->config.caps
- + epnt->config.size);
-
- skl_get_ssp_clks(skl, ssp_clks, fmt, id);
- skl_get_mclk(skl, ssp_clks, fmt, id);
- }
- epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
- }
-}