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-rw-r--r--sound/soc/intel/skylake/skl-nhlt.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c
deleted file mode 100644
index e617b4c335a4..000000000000
--- a/sound/soc/intel/skylake/skl-nhlt.c
+++ /dev/null
@@ -1,269 +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 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 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 sysfs_emit(buf, "%s\n", platform_id);
-}
-
-static DEVICE_ATTR_RO(platform_id);
-
-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;
- 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;
-
- fmt_cfg = (struct nhlt_fmt_cfg *)fmt->fmt_config;
- for (i = 0; i < fmt->fmt_count; i++) {
- struct nhlt_fmt_cfg *saved_fmt_cfg = fmt_cfg;
- bool present = false;
-
- wav_fmt = &saved_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++) {
- struct nhlt_fmt_cfg *tmp_fmt_cfg = fmt_cfg;
-
- wav_fmt = &tmp_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);
- saved_fmt_cfg = tmp_fmt_cfg;
- }
- /* Move to the next nhlt_fmt_cfg */
- tmp_fmt_cfg = (struct nhlt_fmt_cfg *)(tmp_fmt_cfg->config.caps +
- tmp_fmt_cfg->config.size);
- }
-
- 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) {
- struct nhlt_fmt_cfg *first_fmt_cfg;
-
- first_fmt_cfg = (struct nhlt_fmt_cfg *)fmt->fmt_config;
- i2s_config_ext = (struct skl_i2s_config_blob_ext *)
- first_fmt_cfg->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);
-
- /* Move to the next nhlt_fmt_cfg */
- fmt_cfg = (struct nhlt_fmt_cfg *)(fmt_cfg->config.caps +
- fmt_cfg->config.size);
- /*
- * 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 = saved_fmt_cfg;
- sclkfs[id].rate_cfg[rate_index].rate = rate;
- sclkfs[id].rate_cfg[rate_index].config = saved_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_fmt_cfg *fmt_cfg;
- struct skl_clk_parent_src *parent;
- u32 clkdiv, div_ratio;
- u8 clk_src;
-
- fmt_cfg = (struct nhlt_fmt_cfg *)fmt->fmt_config;
- i2s_config_ext = (struct skl_i2s_config_blob_ext *)fmt_cfg->config.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_cfg;
- 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);
- }
-}