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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /include/sound/pcm_params.h
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Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'include/sound/pcm_params.h')
-rw-r--r--include/sound/pcm_params.h371
1 files changed, 371 insertions, 0 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
new file mode 100644
index 000000000..ba184f49f
--- /dev/null
+++ b/include/sound/pcm_params.h
@@ -0,0 +1,371 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_PCM_PARAMS_H
+#define __SOUND_PCM_PARAMS_H
+
+/*
+ * PCM params helpers
+ * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org>
+ */
+
+#include <sound/pcm.h>
+
+int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir);
+int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir);
+int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir);
+
+#define SNDRV_MASK_BITS 64 /* we use so far 64bits only */
+#define SNDRV_MASK_SIZE (SNDRV_MASK_BITS / 32)
+#define MASK_OFS(i) ((i) >> 5)
+#define MASK_BIT(i) (1U << ((i) & 31))
+
+static inline void snd_mask_none(struct snd_mask *mask)
+{
+ memset(mask, 0, sizeof(*mask));
+}
+
+static inline void snd_mask_any(struct snd_mask *mask)
+{
+ memset(mask, 0xff, SNDRV_MASK_SIZE * sizeof(u_int32_t));
+}
+
+static inline int snd_mask_empty(const struct snd_mask *mask)
+{
+ int i;
+ for (i = 0; i < SNDRV_MASK_SIZE; i++)
+ if (mask->bits[i])
+ return 0;
+ return 1;
+}
+
+static inline unsigned int snd_mask_min(const struct snd_mask *mask)
+{
+ int i;
+ for (i = 0; i < SNDRV_MASK_SIZE; i++) {
+ if (mask->bits[i])
+ return __ffs(mask->bits[i]) + (i << 5);
+ }
+ return 0;
+}
+
+static inline unsigned int snd_mask_max(const struct snd_mask *mask)
+{
+ int i;
+ for (i = SNDRV_MASK_SIZE - 1; i >= 0; i--) {
+ if (mask->bits[i])
+ return __fls(mask->bits[i]) + (i << 5);
+ }
+ return 0;
+}
+
+static inline void snd_mask_set(struct snd_mask *mask, unsigned int val)
+{
+ mask->bits[MASK_OFS(val)] |= MASK_BIT(val);
+}
+
+/* Most of drivers need only this one */
+static inline void snd_mask_set_format(struct snd_mask *mask,
+ snd_pcm_format_t format)
+{
+ snd_mask_set(mask, (__force unsigned int)format);
+}
+
+static inline void snd_mask_reset(struct snd_mask *mask, unsigned int val)
+{
+ mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val);
+}
+
+static inline void snd_mask_set_range(struct snd_mask *mask,
+ unsigned int from, unsigned int to)
+{
+ unsigned int i;
+ for (i = from; i <= to; i++)
+ mask->bits[MASK_OFS(i)] |= MASK_BIT(i);
+}
+
+static inline void snd_mask_reset_range(struct snd_mask *mask,
+ unsigned int from, unsigned int to)
+{
+ unsigned int i;
+ for (i = from; i <= to; i++)
+ mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i);
+}
+
+static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val)
+{
+ unsigned int v;
+ v = mask->bits[MASK_OFS(val)] & MASK_BIT(val);
+ snd_mask_none(mask);
+ mask->bits[MASK_OFS(val)] = v;
+}
+
+static inline void snd_mask_intersect(struct snd_mask *mask,
+ const struct snd_mask *v)
+{
+ int i;
+ for (i = 0; i < SNDRV_MASK_SIZE; i++)
+ mask->bits[i] &= v->bits[i];
+}
+
+static inline int snd_mask_eq(const struct snd_mask *mask,
+ const struct snd_mask *v)
+{
+ return ! memcmp(mask, v, SNDRV_MASK_SIZE * sizeof(u_int32_t));
+}
+
+static inline void snd_mask_copy(struct snd_mask *mask,
+ const struct snd_mask *v)
+{
+ *mask = *v;
+}
+
+static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val)
+{
+ return mask->bits[MASK_OFS(val)] & MASK_BIT(val);
+}
+
+/* Most of drivers need only this one */
+static inline int snd_mask_test_format(const struct snd_mask *mask,
+ snd_pcm_format_t format)
+{
+ return snd_mask_test(mask, (__force unsigned int)format);
+}
+
+static inline int snd_mask_single(const struct snd_mask *mask)
+{
+ int i, c = 0;
+ for (i = 0; i < SNDRV_MASK_SIZE; i++) {
+ if (! mask->bits[i])
+ continue;
+ if (mask->bits[i] & (mask->bits[i] - 1))
+ return 0;
+ if (c)
+ return 0;
+ c++;
+ }
+ return 1;
+}
+
+static inline int snd_mask_refine(struct snd_mask *mask,
+ const struct snd_mask *v)
+{
+ struct snd_mask old;
+ snd_mask_copy(&old, mask);
+ snd_mask_intersect(mask, v);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return !snd_mask_eq(mask, &old);
+}
+
+static inline int snd_mask_refine_first(struct snd_mask *mask)
+{
+ if (snd_mask_single(mask))
+ return 0;
+ snd_mask_leave(mask, snd_mask_min(mask));
+ return 1;
+}
+
+static inline int snd_mask_refine_last(struct snd_mask *mask)
+{
+ if (snd_mask_single(mask))
+ return 0;
+ snd_mask_leave(mask, snd_mask_max(mask));
+ return 1;
+}
+
+static inline int snd_mask_refine_min(struct snd_mask *mask, unsigned int val)
+{
+ if (snd_mask_min(mask) >= val)
+ return 0;
+ snd_mask_reset_range(mask, 0, val - 1);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return 1;
+}
+
+static inline int snd_mask_refine_max(struct snd_mask *mask, unsigned int val)
+{
+ if (snd_mask_max(mask) <= val)
+ return 0;
+ snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return 1;
+}
+
+static inline int snd_mask_refine_set(struct snd_mask *mask, unsigned int val)
+{
+ int changed;
+ changed = !snd_mask_single(mask);
+ snd_mask_leave(mask, val);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return changed;
+}
+
+static inline int snd_mask_value(const struct snd_mask *mask)
+{
+ return snd_mask_min(mask);
+}
+
+static inline void snd_interval_any(struct snd_interval *i)
+{
+ i->min = 0;
+ i->openmin = 0;
+ i->max = UINT_MAX;
+ i->openmax = 0;
+ i->integer = 0;
+ i->empty = 0;
+}
+
+static inline void snd_interval_none(struct snd_interval *i)
+{
+ i->empty = 1;
+}
+
+static inline int snd_interval_checkempty(const struct snd_interval *i)
+{
+ return (i->min > i->max ||
+ (i->min == i->max && (i->openmin || i->openmax)));
+}
+
+static inline int snd_interval_empty(const struct snd_interval *i)
+{
+ return i->empty;
+}
+
+static inline int snd_interval_single(const struct snd_interval *i)
+{
+ return (i->min == i->max ||
+ (i->min + 1 == i->max && (i->openmin || i->openmax)));
+}
+
+static inline int snd_interval_value(const struct snd_interval *i)
+{
+ if (i->openmin && !i->openmax)
+ return i->max;
+ return i->min;
+}
+
+static inline int snd_interval_min(const struct snd_interval *i)
+{
+ return i->min;
+}
+
+static inline int snd_interval_max(const struct snd_interval *i)
+{
+ unsigned int v;
+ v = i->max;
+ if (i->openmax)
+ v--;
+ return v;
+}
+
+static inline int snd_interval_test(const struct snd_interval *i, unsigned int val)
+{
+ return !((i->min > val || (i->min == val && i->openmin) ||
+ i->max < val || (i->max == val && i->openmax)));
+}
+
+static inline void snd_interval_copy(struct snd_interval *d, const struct snd_interval *s)
+{
+ *d = *s;
+}
+
+static inline int snd_interval_setinteger(struct snd_interval *i)
+{
+ if (i->integer)
+ return 0;
+ if (i->openmin && i->openmax && i->min == i->max)
+ return -EINVAL;
+ i->integer = 1;
+ return 1;
+}
+
+static inline int snd_interval_eq(const struct snd_interval *i1, const struct snd_interval *i2)
+{
+ if (i1->empty)
+ return i2->empty;
+ if (i2->empty)
+ return i1->empty;
+ return i1->min == i2->min && i1->openmin == i2->openmin &&
+ i1->max == i2->max && i1->openmax == i2->openmax;
+}
+
+/**
+ * params_access - get the access type from the hw params
+ * @p: hw params
+ */
+static inline snd_pcm_access_t params_access(const struct snd_pcm_hw_params *p)
+{
+ return (__force snd_pcm_access_t)snd_mask_min(hw_param_mask_c(p,
+ SNDRV_PCM_HW_PARAM_ACCESS));
+}
+
+/**
+ * params_format - get the sample format from the hw params
+ * @p: hw params
+ */
+static inline snd_pcm_format_t params_format(const struct snd_pcm_hw_params *p)
+{
+ return (__force snd_pcm_format_t)snd_mask_min(hw_param_mask_c(p,
+ SNDRV_PCM_HW_PARAM_FORMAT));
+}
+
+/**
+ * params_subformat - get the sample subformat from the hw params
+ * @p: hw params
+ */
+static inline snd_pcm_subformat_t
+params_subformat(const struct snd_pcm_hw_params *p)
+{
+ return (__force snd_pcm_subformat_t)snd_mask_min(hw_param_mask_c(p,
+ SNDRV_PCM_HW_PARAM_SUBFORMAT));
+}
+
+/**
+ * params_period_bytes - get the period size (in bytes) from the hw params
+ * @p: hw params
+ */
+static inline unsigned int
+params_period_bytes(const struct snd_pcm_hw_params *p)
+{
+ return hw_param_interval_c(p, SNDRV_PCM_HW_PARAM_PERIOD_BYTES)->min;
+}
+
+/**
+ * params_width - get the number of bits of the sample format from the hw params
+ * @p: hw params
+ *
+ * This function returns the number of bits per sample that the selected sample
+ * format of the hw params has.
+ */
+static inline int params_width(const struct snd_pcm_hw_params *p)
+{
+ return snd_pcm_format_width(params_format(p));
+}
+
+/*
+ * params_physical_width - get the storage size of the sample format from the hw params
+ * @p: hw params
+ *
+ * This functions returns the number of bits per sample that the selected sample
+ * format of the hw params takes up in memory. This will be equal or larger than
+ * params_width().
+ */
+static inline int params_physical_width(const struct snd_pcm_hw_params *p)
+{
+ return snd_pcm_format_physical_width(params_format(p));
+}
+
+static inline void
+params_set_format(struct snd_pcm_hw_params *p, snd_pcm_format_t fmt)
+{
+ snd_mask_set_format(hw_param_mask(p, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
+}
+
+#endif /* __SOUND_PCM_PARAMS_H */