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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /sound/soc/codecs/rt-sdw-common.h | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'sound/soc/codecs/rt-sdw-common.h')
| -rw-r--r-- | sound/soc/codecs/rt-sdw-common.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt-sdw-common.h b/sound/soc/codecs/rt-sdw-common.h new file mode 100644 index 000000000..4759516fe --- /dev/null +++ b/sound/soc/codecs/rt-sdw-common.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +// +// rt-sdw-common.h +// +// Copyright(c) 2024 Realtek Semiconductor Corp. +// + +/* + * This file defines common functions used with Realtek soundwire codecs. + */ + +#ifndef __RT_SDW_COMMON_H__ +#define __RT_SDW_COMMON_H__ + +#define SDCA_NUM_JACK_CODEC 0x01 +#define SDCA_NUM_MIC_ARRAY 0x02 +#define SDCA_NUM_HID 0x03 +#define SDCA_NUM_AMP 0x04 +#define RT_SDCA_CTL_SELECTED_MODE 0x01 +#define RT_SDCA_CTL_DETECTED_MODE 0x02 +#define RT_SDCA_CTL_HIDTX_CURRENT_OWNER 0x10 +#define RT_SDCA_CTL_HIDTX_MESSAGE_OFFSET 0x12 + +struct rt_sdca_dmic_kctrl_priv { + unsigned int reg_base; + unsigned int count; + unsigned int max; + unsigned int invert; +}; + +#define RT_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \ + ((unsigned long)&(struct rt_sdca_dmic_kctrl_priv) \ + {.reg_base = xreg_base, .count = xcount, .max = xmax, \ + .invert = xinvert}) + +#define RT_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount, \ + xinfo, xget, xput) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = xinfo, \ + .get = xget, \ + .put = xput, \ + .private_value = RT_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)} + +#define RT_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ + xhandler_put, xcount, xmax, tlv_array, xinfo) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ + SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .tlv.p = (tlv_array), \ + .info = xinfo, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = RT_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) } + + +int rt_sdca_index_write(struct regmap *map, unsigned int nid, + unsigned int reg, unsigned int value); +int rt_sdca_index_read(struct regmap *map, unsigned int nid, + unsigned int reg, unsigned int *value); +int rt_sdca_index_update_bits(struct regmap *map, + unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val); +int rt_sdca_btn_type(unsigned char *buffer); +int rt_sdca_headset_detect(struct regmap *map, unsigned int entity_id); +int rt_sdca_button_detect(struct regmap *map, unsigned int entity_id, + unsigned int hid_buf_addr, unsigned int hid_id); + +#endif /* __RT_SDW_COMMON_H__ */ |