From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- sound/soc/intel/atom/sst-mfld-platform-pcm.c | 826 +++++++++++++++++++++++++++ 1 file changed, 826 insertions(+) create mode 100644 sound/soc/intel/atom/sst-mfld-platform-pcm.c (limited to 'sound/soc/intel/atom/sst-mfld-platform-pcm.c') diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c new file mode 100644 index 000000000..c75616a5f --- /dev/null +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c @@ -0,0 +1,826 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * sst_mfld_platform.c - Intel MID Platform driver + * + * Copyright (C) 2010-2014 Intel Corp + * Author: Vinod Koul + * Author: Harsha Priya + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "sst-mfld-platform.h" +#include "sst-atom-controls.h" + +struct sst_device *sst; +static DEFINE_MUTEX(sst_lock); + +int sst_register_dsp(struct sst_device *dev) +{ + if (WARN_ON(!dev)) + return -EINVAL; + if (!try_module_get(dev->dev->driver->owner)) + return -ENODEV; + mutex_lock(&sst_lock); + if (sst) { + dev_err(dev->dev, "we already have a device %s\n", sst->name); + module_put(dev->dev->driver->owner); + mutex_unlock(&sst_lock); + return -EEXIST; + } + dev_dbg(dev->dev, "registering device %s\n", dev->name); + sst = dev; + mutex_unlock(&sst_lock); + return 0; +} +EXPORT_SYMBOL_GPL(sst_register_dsp); + +int sst_unregister_dsp(struct sst_device *dev) +{ + if (WARN_ON(!dev)) + return -EINVAL; + if (dev != sst) + return -EINVAL; + + mutex_lock(&sst_lock); + + if (!sst) { + mutex_unlock(&sst_lock); + return -EIO; + } + + module_put(sst->dev->driver->owner); + dev_dbg(dev->dev, "unreg %s\n", sst->name); + sst = NULL; + mutex_unlock(&sst_lock); + return 0; +} +EXPORT_SYMBOL_GPL(sst_unregister_dsp); + +static const struct snd_pcm_hardware sst_platform_pcm_hw = { + .info = (SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_DOUBLE | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_MMAP| + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_SYNC_START), + .buffer_bytes_max = SST_MAX_BUFFER, + .period_bytes_min = SST_MIN_PERIOD_BYTES, + .period_bytes_max = SST_MAX_PERIOD_BYTES, + .periods_min = SST_MIN_PERIODS, + .periods_max = SST_MAX_PERIODS, + .fifo_size = SST_FIFO_SIZE, +}; + +static struct sst_dev_stream_map dpcm_strm_map[] = { + {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */ + {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0}, + {MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0}, + {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0}, + {MERR_DPCM_DEEP_BUFFER, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA3_IN, SST_TASK_ID_MEDIA, 0}, +}; + +static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream) +{ + + return sst_send_pipe_gains(dai, stream, mute); +} + +/* helper functions */ +void sst_set_stream_status(struct sst_runtime_stream *stream, + int state) +{ + unsigned long flags; + spin_lock_irqsave(&stream->status_lock, flags); + stream->stream_status = state; + spin_unlock_irqrestore(&stream->status_lock, flags); +} + +static inline int sst_get_stream_status(struct sst_runtime_stream *stream) +{ + int state; + unsigned long flags; + + spin_lock_irqsave(&stream->status_lock, flags); + state = stream->stream_status; + spin_unlock_irqrestore(&stream->status_lock, flags); + return state; +} + +static void sst_fill_alloc_params(struct snd_pcm_substream *substream, + struct snd_sst_alloc_params_ext *alloc_param) +{ + unsigned int channels; + snd_pcm_uframes_t period_size; + ssize_t periodbytes; + ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream); + u32 buffer_addr = substream->runtime->dma_addr; + + channels = substream->runtime->channels; + period_size = substream->runtime->period_size; + periodbytes = samples_to_bytes(substream->runtime, period_size); + alloc_param->ring_buf_info[0].addr = buffer_addr; + alloc_param->ring_buf_info[0].size = buffer_bytes; + alloc_param->sg_count = 1; + alloc_param->reserved = 0; + alloc_param->frag_size = periodbytes * channels; + +} +static void sst_fill_pcm_params(struct snd_pcm_substream *substream, + struct snd_sst_stream_params *param) +{ + param->uc.pcm_params.num_chan = (u8) substream->runtime->channels; + param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; + param->uc.pcm_params.sfreq = substream->runtime->rate; + + /* PCM stream via ALSA interface */ + param->uc.pcm_params.use_offload_path = 0; + param->uc.pcm_params.reserved2 = 0; + memset(param->uc.pcm_params.channel_map, 0, sizeof(u8)); + +} + +static int sst_get_stream_mapping(int dev, int sdev, int dir, + struct sst_dev_stream_map *map, int size) +{ + int i; + + if (map == NULL) + return -EINVAL; + + + /* index 0 is not used in stream map */ + for (i = 1; i < size; i++) { + if ((map[i].dev_num == dev) && (map[i].direction == dir)) + return i; + } + return 0; +} + +int sst_fill_stream_params(void *substream, + const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress) +{ + int map_size; + int index; + struct sst_dev_stream_map *map; + struct snd_pcm_substream *pstream = NULL; + struct snd_compr_stream *cstream = NULL; + + map = ctx->pdata->pdev_strm_map; + map_size = ctx->pdata->strm_map_size; + + if (is_compress) + cstream = (struct snd_compr_stream *)substream; + else + pstream = (struct snd_pcm_substream *)substream; + + str_params->stream_type = SST_STREAM_TYPE_MUSIC; + + /* For pcm streams */ + if (pstream) { + index = sst_get_stream_mapping(pstream->pcm->device, + pstream->number, pstream->stream, + map, map_size); + if (index <= 0) + return -EINVAL; + + str_params->stream_id = index; + str_params->device_type = map[index].device_id; + str_params->task = map[index].task_id; + + str_params->ops = (u8)pstream->stream; + } + + if (cstream) { + index = sst_get_stream_mapping(cstream->device->device, + 0, cstream->direction, + map, map_size); + if (index <= 0) + return -EINVAL; + str_params->stream_id = index; + str_params->device_type = map[index].device_id; + str_params->task = map[index].task_id; + + str_params->ops = (u8)cstream->direction; + } + return 0; +} + +static int sst_platform_alloc_stream(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sst_runtime_stream *stream = + substream->runtime->private_data; + struct snd_sst_stream_params param = {{{0,},},}; + struct snd_sst_params str_params = {0}; + struct snd_sst_alloc_params_ext alloc_params = {0}; + int ret_val = 0; + struct sst_data *ctx = snd_soc_dai_get_drvdata(dai); + + /* set codec params and inform SST driver the same */ + sst_fill_pcm_params(substream, ¶m); + sst_fill_alloc_params(substream, &alloc_params); + str_params.sparams = param; + str_params.aparams = alloc_params; + str_params.codec = SST_CODEC_TYPE_PCM; + + /* fill the device type and stream id to pass to SST driver */ + ret_val = sst_fill_stream_params(substream, ctx, &str_params, false); + if (ret_val < 0) + return ret_val; + + stream->stream_info.str_id = str_params.stream_id; + + ret_val = stream->ops->open(sst->dev, &str_params); + if (ret_val <= 0) + return ret_val; + + + return ret_val; +} + +static void sst_period_elapsed(void *arg) +{ + struct snd_pcm_substream *substream = arg; + struct sst_runtime_stream *stream; + int status; + + if (!substream || !substream->runtime) + return; + stream = substream->runtime->private_data; + if (!stream) + return; + status = sst_get_stream_status(stream); + if (status != SST_PLATFORM_RUNNING) + return; + snd_pcm_period_elapsed(substream); +} + +static int sst_platform_init_stream(struct snd_pcm_substream *substream) +{ + struct sst_runtime_stream *stream = + substream->runtime->private_data; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int ret_val; + + dev_dbg(rtd->dev, "setting buffer ptr param\n"); + sst_set_stream_status(stream, SST_PLATFORM_INIT); + stream->stream_info.period_elapsed = sst_period_elapsed; + stream->stream_info.arg = substream; + stream->stream_info.buffer_ptr = 0; + stream->stream_info.sfreq = substream->runtime->rate; + ret_val = stream->ops->stream_init(sst->dev, &stream->stream_info); + if (ret_val) + dev_err(rtd->dev, "control_set ret error %d\n", ret_val); + return ret_val; + +} + +static int power_up_sst(struct sst_runtime_stream *stream) +{ + return stream->ops->power(sst->dev, true); +} + +static void power_down_sst(struct sst_runtime_stream *stream) +{ + stream->ops->power(sst->dev, false); +} + +static int sst_media_open(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int ret_val = 0; + struct snd_pcm_runtime *runtime = substream->runtime; + struct sst_runtime_stream *stream; + + stream = kzalloc(sizeof(*stream), GFP_KERNEL); + if (!stream) + return -ENOMEM; + spin_lock_init(&stream->status_lock); + + /* get the sst ops */ + mutex_lock(&sst_lock); + if (!sst || + !try_module_get(sst->dev->driver->owner)) { + dev_err(dai->dev, "no device available to run\n"); + ret_val = -ENODEV; + goto out_ops; + } + stream->ops = sst->ops; + mutex_unlock(&sst_lock); + + stream->stream_info.str_id = 0; + + stream->stream_info.arg = substream; + /* allocate memory for SST API set */ + runtime->private_data = stream; + + ret_val = power_up_sst(stream); + if (ret_val < 0) + goto out_power_up; + + /* + * Make sure the period to be multiple of 1ms to align the + * design of firmware. Apply same rule to buffer size to make + * sure alsa could always find a value for period size + * regardless the buffer size given by user space. + */ + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 48); + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 48); + + /* Make sure, that the period size is always even */ + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIODS, 2); + + return snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); +out_ops: + mutex_unlock(&sst_lock); +out_power_up: + kfree(stream); + return ret_val; +} + +static void sst_media_close(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sst_runtime_stream *stream; + int str_id; + + stream = substream->runtime->private_data; + power_down_sst(stream); + + str_id = stream->stream_info.str_id; + if (str_id) + stream->ops->close(sst->dev, str_id); + module_put(sst->dev->driver->owner); + kfree(stream); +} + +static int sst_media_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sst_runtime_stream *stream; + int ret_val, str_id; + + stream = substream->runtime->private_data; + str_id = stream->stream_info.str_id; + if (stream->stream_info.str_id) { + ret_val = stream->ops->stream_drop(sst->dev, str_id); + return ret_val; + } + + ret_val = sst_platform_alloc_stream(substream, dai); + if (ret_val <= 0) + return ret_val; + snprintf(substream->pcm->id, sizeof(substream->pcm->id), + "%d", stream->stream_info.str_id); + + ret_val = sst_platform_init_stream(substream); + if (ret_val) + return ret_val; + substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; + return 0; +} + +static int sst_enable_ssp(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int ret = 0; + + if (!snd_soc_dai_active(dai)) { + ret = sst_handle_vb_timer(dai, true); + sst_fill_ssp_defaults(dai); + } + return ret; +} + +static int sst_be_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + int ret = 0; + + if (snd_soc_dai_active(dai) == 1) + ret = send_ssp_cmd(dai, dai->name, 1); + return ret; +} + +static int sst_set_format(struct snd_soc_dai *dai, unsigned int fmt) +{ + int ret = 0; + + if (!snd_soc_dai_active(dai)) + return 0; + + ret = sst_fill_ssp_config(dai, fmt); + if (ret < 0) + dev_err(dai->dev, "sst_set_format failed..\n"); + + return ret; +} + +static int sst_platform_set_ssp_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, unsigned int rx_mask, + int slots, int slot_width) { + int ret = 0; + + if (!snd_soc_dai_active(dai)) + return ret; + + ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width); + if (ret < 0) + dev_err(dai->dev, "sst_fill_ssp_slot failed..%d\n", ret); + + return ret; +} + +static void sst_disable_ssp(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + if (!snd_soc_dai_active(dai)) { + send_ssp_cmd(dai, dai->name, 0); + sst_handle_vb_timer(dai, false); + } +} + +static const struct snd_soc_dai_ops sst_media_dai_ops = { + .startup = sst_media_open, + .shutdown = sst_media_close, + .prepare = sst_media_prepare, + .mute_stream = sst_media_digital_mute, +}; + +static const struct snd_soc_dai_ops sst_compr_dai_ops = { + .mute_stream = sst_media_digital_mute, +}; + +static const struct snd_soc_dai_ops sst_be_dai_ops = { + .startup = sst_enable_ssp, + .hw_params = sst_be_hw_params, + .set_fmt = sst_set_format, + .set_tdm_slot = sst_platform_set_ssp_slot, + .shutdown = sst_disable_ssp, +}; + +static struct snd_soc_dai_driver sst_platform_dai[] = { +{ + .name = "media-cpu-dai", + .ops = &sst_media_dai_ops, + .playback = { + .stream_name = "Headset Playback", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "Headset Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +{ + .name = "deepbuffer-cpu-dai", + .ops = &sst_media_dai_ops, + .playback = { + .stream_name = "Deepbuffer Playback", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +{ + .name = "compress-cpu-dai", + .compress_new = snd_soc_new_compress, + .ops = &sst_compr_dai_ops, + .playback = { + .stream_name = "Compress Playback", + .channels_min = 1, + }, +}, +/* BE CPU Dais */ +{ + .name = "ssp0-port", + .ops = &sst_be_dai_ops, + .playback = { + .stream_name = "ssp0 Tx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "ssp0 Rx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +{ + .name = "ssp1-port", + .ops = &sst_be_dai_ops, + .playback = { + .stream_name = "ssp1 Tx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "ssp1 Rx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +{ + .name = "ssp2-port", + .ops = &sst_be_dai_ops, + .playback = { + .stream_name = "ssp2 Tx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "ssp2 Rx", + .channels_min = SST_STEREO, + .channels_max = SST_STEREO, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}, +}; + +static int sst_soc_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime; + + if (substream->pcm->internal) + return 0; + + runtime = substream->runtime; + runtime->hw = sst_platform_pcm_hw; + return 0; +} + +static int sst_soc_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + int ret_val = 0, str_id; + struct sst_runtime_stream *stream; + int status; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + + dev_dbg(rtd->dev, "%s called\n", __func__); + if (substream->pcm->internal) + return 0; + stream = substream->runtime->private_data; + str_id = stream->stream_info.str_id; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + dev_dbg(rtd->dev, "sst: Trigger Start\n"); + status = SST_PLATFORM_RUNNING; + stream->stream_info.arg = substream; + ret_val = stream->ops->stream_start(sst->dev, str_id); + break; + case SNDRV_PCM_TRIGGER_STOP: + dev_dbg(rtd->dev, "sst: in stop\n"); + status = SST_PLATFORM_DROPPED; + ret_val = stream->ops->stream_drop(sst->dev, str_id); + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + dev_dbg(rtd->dev, "sst: in pause\n"); + status = SST_PLATFORM_PAUSED; + ret_val = stream->ops->stream_pause(sst->dev, str_id); + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + dev_dbg(rtd->dev, "sst: in pause release\n"); + status = SST_PLATFORM_RUNNING; + ret_val = stream->ops->stream_pause_release(sst->dev, str_id); + break; + default: + return -EINVAL; + } + + if (!ret_val) + sst_set_stream_status(stream, status); + + return ret_val; +} + + +static snd_pcm_uframes_t sst_soc_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct sst_runtime_stream *stream; + int ret_val, status; + struct pcm_stream_info *str_info; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + + stream = substream->runtime->private_data; + status = sst_get_stream_status(stream); + if (status == SST_PLATFORM_INIT) + return 0; + str_info = &stream->stream_info; + ret_val = stream->ops->stream_read_tstamp(sst->dev, str_info); + if (ret_val) { + dev_err(rtd->dev, "sst: error code = %d\n", ret_val); + return ret_val; + } + return str_info->buffer_ptr; +} + +static snd_pcm_sframes_t sst_soc_delay(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct sst_runtime_stream *stream = substream->runtime->private_data; + struct pcm_stream_info *str_info = &stream->stream_info; + + if (sst_get_stream_status(stream) == SST_PLATFORM_INIT) + return 0; + + return str_info->pcm_delay; +} + +static int sst_soc_pcm_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_pcm *pcm = rtd->pcm; + + if (dai->driver->playback.channels_min || + dai->driver->capture.channels_min) { + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + pcm->card->dev, + SST_MIN_BUFFER, SST_MAX_BUFFER); + } + return 0; +} + +static int sst_soc_probe(struct snd_soc_component *component) +{ + struct sst_data *drv = dev_get_drvdata(component->dev); + + drv->soc_card = component->card; + return sst_dsp_init_v2_dpcm(component); +} + +static void sst_soc_remove(struct snd_soc_component *component) +{ + struct sst_data *drv = dev_get_drvdata(component->dev); + + drv->soc_card = NULL; +} + +static const struct snd_soc_component_driver sst_soc_platform_drv = { + .name = DRV_NAME, + .probe = sst_soc_probe, + .remove = sst_soc_remove, + .open = sst_soc_open, + .trigger = sst_soc_trigger, + .pointer = sst_soc_pointer, + .delay = sst_soc_delay, + .compress_ops = &sst_platform_compress_ops, + .pcm_construct = sst_soc_pcm_new, +}; + +static int sst_platform_probe(struct platform_device *pdev) +{ + struct sst_data *drv; + int ret; + struct sst_platform_data *pdata; + + drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); + if (drv == NULL) { + return -ENOMEM; + } + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (pdata == NULL) { + return -ENOMEM; + } + + pdata->pdev_strm_map = dpcm_strm_map; + pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map); + drv->pdata = pdata; + drv->pdev = pdev; + mutex_init(&drv->lock); + dev_set_drvdata(&pdev->dev, drv); + + ret = devm_snd_soc_register_component(&pdev->dev, &sst_soc_platform_drv, + sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); + if (ret) + dev_err(&pdev->dev, "registering cpu dais failed\n"); + + return ret; +} + +static int sst_platform_remove(struct platform_device *pdev) +{ + dev_dbg(&pdev->dev, "sst_platform_remove success\n"); + return 0; +} + +#ifdef CONFIG_PM_SLEEP + +static int sst_soc_prepare(struct device *dev) +{ + struct sst_data *drv = dev_get_drvdata(dev); + struct snd_soc_pcm_runtime *rtd; + + if (!drv->soc_card) + return 0; + + /* suspend all pcms first */ + snd_soc_suspend(drv->soc_card->dev); + snd_soc_poweroff(drv->soc_card->dev); + + /* set the SSPs to idle */ + for_each_card_rtds(drv->soc_card, rtd) { + struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0); + + if (snd_soc_dai_active(dai)) { + send_ssp_cmd(dai, dai->name, 0); + sst_handle_vb_timer(dai, false); + } + } + + return 0; +} + +static void sst_soc_complete(struct device *dev) +{ + struct sst_data *drv = dev_get_drvdata(dev); + struct snd_soc_pcm_runtime *rtd; + + if (!drv->soc_card) + return; + + /* restart SSPs */ + for_each_card_rtds(drv->soc_card, rtd) { + struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0); + + if (snd_soc_dai_active(dai)) { + sst_handle_vb_timer(dai, true); + send_ssp_cmd(dai, dai->name, 1); + } + } + snd_soc_resume(drv->soc_card->dev); +} + +#else + +#define sst_soc_prepare NULL +#define sst_soc_complete NULL + +#endif + + +static const struct dev_pm_ops sst_platform_pm = { + .prepare = sst_soc_prepare, + .complete = sst_soc_complete, +}; + +static struct platform_driver sst_platform_driver = { + .driver = { + .name = "sst-mfld-platform", + .pm = &sst_platform_pm, + }, + .probe = sst_platform_probe, + .remove = sst_platform_remove, +}; + +module_platform_driver(sst_platform_driver); + +MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); +MODULE_AUTHOR("Vinod Koul "); +MODULE_AUTHOR("Harsha Priya "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:sst-atom-hifi2-platform"); +MODULE_ALIAS("platform:sst-mfld-platform"); -- cgit v1.2.3