/* * skl-nhlt.c - Intel SKL Platform NHLT parsing * * Copyright (C) 2015 Intel Corp * Author: Sanjiv Kumar * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ #include #include "skl.h" /* Unique identification for getting NHLT blobs */ static u8 OSC_UUID[16] = {0x6E, 0x88, 0x9F, 0xA6, 0xEB, 0x6C, 0x94, 0x45, 0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53}; #define DSDT_NHLT_PATH "\\_SB.PCI0.HDAS" struct nhlt_acpi_table *skl_nhlt_init(struct device *dev) { acpi_handle handle; union acpi_object *obj; struct nhlt_resource_desc *nhlt_ptr = NULL; struct nhlt_acpi_table *nhlt_table = NULL; if (ACPI_FAILURE(acpi_get_handle(NULL, DSDT_NHLT_PATH, &handle))) { dev_err(dev, "Requested NHLT device not found\n"); return NULL; } obj = acpi_evaluate_dsm(handle, OSC_UUID, 1, 1, NULL); if (obj && obj->type == ACPI_TYPE_BUFFER) { nhlt_ptr = (struct nhlt_resource_desc *)obj->buffer.pointer; nhlt_table = (struct nhlt_acpi_table *) memremap(nhlt_ptr->min_addr, nhlt_ptr->length, MEMREMAP_WB); ACPI_FREE(obj); return nhlt_table; } dev_err(dev, "device specific method to extract NHLT blob failed\n"); return NULL; } void skl_nhlt_free(struct nhlt_acpi_table *nhlt) { memunmap((void *) nhlt); } 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) { dev_dbg(dev, "vbus_id=%d link_type=%d dir=%d\n", epnt->virtual_bus_id, epnt->linktype, epnt->direction); if ((epnt->virtual_bus_id == instance_id) && (epnt->linktype == link_type) && (epnt->direction == dirn)) return true; else return false; } struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance, u8 link_type, u8 s_fmt, u8 num_ch, u32 s_rate, u8 dirn) { struct nhlt_fmt *fmt; struct nhlt_endpoint *epnt; struct hdac_bus *bus = ebus_to_hbus(&skl->ebus); 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)) { 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; } int skl_get_dmic_geo(struct skl *skl) { struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt; struct nhlt_endpoint *epnt; struct nhlt_dmic_array_config *cfg; struct device *dev = &skl->pci->dev; unsigned int dmic_geo = 0; u8 j; epnt = (struct nhlt_endpoint *)nhlt->desc; for (j = 0; j < nhlt->endpoint_count; j++) { if (epnt->linktype == NHLT_LINK_DMIC) { cfg = (struct nhlt_dmic_array_config *) (epnt->config.caps); switch (cfg->array_type) { case NHLT_MIC_ARRAY_2CH_SMALL: case NHLT_MIC_ARRAY_2CH_BIG: dmic_geo |= MIC_ARRAY_2CH; break; case NHLT_MIC_ARRAY_4CH_1ST_GEOM: case NHLT_MIC_ARRAY_4CH_L_SHAPED: case NHLT_MIC_ARRAY_4CH_2ND_GEOM: dmic_geo |= MIC_ARRAY_4CH; break; default: dev_warn(dev, "undefined DMIC array_type 0x%0x\n", cfg->array_type); } } epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); } return dmic_geo; } static void skl_nhlt_trim_space(struct skl *skl) { char *s = skl->tplg_name; 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 *skl) { struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt; struct hdac_bus *bus = ebus_to_hbus(&skl->ebus); 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); return 0; } 00797e9164976a6014d534ce3035909&id2=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>diff)
Input: synaptics-rmi4 - fix reversed conditions in enable/disable_irq_wake
These tests are reversed. A warning should be displayed if an error is returned, not on success. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'net/sunrpc/clnt.c')