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/amd/acp/acp-i2s.c | 573 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 573 insertions(+) create mode 100644 sound/soc/amd/acp/acp-i2s.c (limited to 'sound/soc/amd/acp/acp-i2s.c') diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c new file mode 100644 index 000000000..09b6511c0 --- /dev/null +++ b/sound/soc/amd/acp/acp-i2s.c @@ -0,0 +1,573 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2021 Advanced Micro Devices, Inc. +// +// Authors: Ajit Kumar Pandey +// + +/* + * Generic Hardware interface for ACP Audio I2S controller + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "amd.h" + +#define DRV_NAME "acp_i2s_playcap" + +static int acp_i2s_set_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct acp_dev_data *adata = snd_soc_dai_get_drvdata(cpu_dai); + int mode; + + mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK; + switch (mode) { + case SND_SOC_DAIFMT_I2S: + adata->tdm_mode = TDM_DISABLE; + break; + case SND_SOC_DAIFMT_DSP_A: + adata->tdm_mode = TDM_ENABLE; + break; + default: + return -EINVAL; + } + return 0; +} + +static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mask, + int slots, int slot_width) +{ + struct device *dev = dai->component->dev; + struct acp_dev_data *adata = snd_soc_dai_get_drvdata(dai); + struct acp_stream *stream; + int slot_len, no_of_slots; + + switch (slot_width) { + case SLOT_WIDTH_8: + slot_len = 8; + break; + case SLOT_WIDTH_16: + slot_len = 16; + break; + case SLOT_WIDTH_24: + slot_len = 24; + break; + case SLOT_WIDTH_32: + slot_len = 0; + break; + default: + dev_err(dev, "Unsupported bitdepth %d\n", slot_width); + return -EINVAL; + } + + switch (slots) { + case 1 ... 7: + no_of_slots = slots; + break; + case 8: + no_of_slots = 0; + break; + default: + dev_err(dev, "Unsupported slots %d\n", slots); + return -EINVAL; + } + + slots = no_of_slots; + + spin_lock_irq(&adata->acp_lock); + list_for_each_entry(stream, &adata->stream_list, list) { + if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK) + adata->tdm_tx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 15) | (slot_len << 18); + else if (rx_mask && stream->dir == SNDRV_PCM_STREAM_CAPTURE) + adata->tdm_rx_fmt[stream->dai_id - 1] = + FRM_LEN | (slots << 15) | (slot_len << 18); + } + spin_unlock_irq(&adata->acp_lock); + return 0; +} + +static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct device *dev = dai->component->dev; + struct acp_dev_data *adata; + struct acp_resource *rsrc; + u32 val; + u32 xfer_resolution; + u32 reg_val, fmt_reg, tdm_fmt; + u32 lrclk_div_val, bclk_div_val; + + adata = snd_soc_dai_get_drvdata(dai); + rsrc = adata->rsrc; + + /* These values are as per Hardware Spec */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_U8: + case SNDRV_PCM_FORMAT_S8: + xfer_resolution = 0x0; + break; + case SNDRV_PCM_FORMAT_S16_LE: + xfer_resolution = 0x02; + break; + case SNDRV_PCM_FORMAT_S24_LE: + xfer_resolution = 0x04; + break; + case SNDRV_PCM_FORMAT_S32_LE: + xfer_resolution = 0x05; + break; + default: + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_ITER; + fmt_reg = ACP_BTTDM_TXFRMT; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_ITER; + fmt_reg = ACP_I2STDM_TXFRMT; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_ITER; + fmt_reg = ACP_HSTDM_TXFRMT; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_IRER; + fmt_reg = ACP_BTTDM_RXFRMT; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_IRER; + fmt_reg = ACP_I2STDM_RXFRMT; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_IRER; + fmt_reg = ACP_HSTDM_RXFRMT; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } + + val = readl(adata->acp_base + reg_val); + val &= ~ACP3x_ITER_IRER_SAMP_LEN_MASK; + val = val | (xfer_resolution << 3); + writel(val, adata->acp_base + reg_val); + + if (adata->tdm_mode) { + val = readl(adata->acp_base + reg_val); + writel(val | BIT(1), adata->acp_base + reg_val); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + tdm_fmt = adata->tdm_tx_fmt[dai->driver->id - 1]; + else + tdm_fmt = adata->tdm_rx_fmt[dai->driver->id - 1]; + writel(tdm_fmt, adata->acp_base + fmt_reg); + } + + if (rsrc->soc_mclk) { + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + switch (params_rate(params)) { + case 8000: + bclk_div_val = 768; + break; + case 16000: + bclk_div_val = 384; + break; + case 24000: + bclk_div_val = 256; + break; + case 32000: + bclk_div_val = 192; + break; + case 44100: + case 48000: + bclk_div_val = 128; + break; + case 88200: + case 96000: + bclk_div_val = 64; + break; + case 192000: + bclk_div_val = 32; + break; + default: + return -EINVAL; + } + lrclk_div_val = 32; + break; + case SNDRV_PCM_FORMAT_S32_LE: + switch (params_rate(params)) { + case 8000: + bclk_div_val = 384; + break; + case 16000: + bclk_div_val = 192; + break; + case 24000: + bclk_div_val = 128; + break; + case 32000: + bclk_div_val = 96; + break; + case 44100: + case 48000: + bclk_div_val = 64; + break; + case 88200: + case 96000: + bclk_div_val = 32; + break; + case 192000: + bclk_div_val = 16; + break; + default: + return -EINVAL; + } + lrclk_div_val = 64; + break; + default: + return -EINVAL; + } + adata->lrclk_div = lrclk_div_val; + adata->bclk_div = bclk_div_val; + } + return 0; +} + +static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) +{ + struct acp_stream *stream = substream->runtime->private_data; + struct device *dev = dai->component->dev; + struct acp_dev_data *adata = dev_get_drvdata(dev); + struct acp_resource *rsrc = adata->rsrc; + u32 val, period_bytes, reg_val, ier_val, water_val, buf_size, buf_reg; + + period_bytes = frames_to_bytes(substream->runtime, substream->runtime->period_size); + buf_size = frames_to_bytes(substream->runtime, substream->runtime->buffer_size); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + stream->bytescount = acp_get_byte_count(adata, stream->dai_id, substream->stream); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + water_val = ACP_BT_TX_INTR_WATERMARK_SIZE; + reg_val = ACP_BTTDM_ITER; + ier_val = ACP_BTTDM_IER; + buf_reg = ACP_BT_TX_RINGBUFSIZE; + break; + case I2S_SP_INSTANCE: + water_val = ACP_I2S_TX_INTR_WATERMARK_SIZE; + reg_val = ACP_I2STDM_ITER; + ier_val = ACP_I2STDM_IER; + buf_reg = ACP_I2S_TX_RINGBUFSIZE; + break; + case I2S_HS_INSTANCE: + water_val = ACP_HS_TX_INTR_WATERMARK_SIZE; + reg_val = ACP_HSTDM_ITER; + ier_val = ACP_HSTDM_IER; + buf_reg = ACP_HS_TX_RINGBUFSIZE; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + water_val = ACP_BT_RX_INTR_WATERMARK_SIZE; + reg_val = ACP_BTTDM_IRER; + ier_val = ACP_BTTDM_IER; + buf_reg = ACP_BT_RX_RINGBUFSIZE; + break; + case I2S_SP_INSTANCE: + water_val = ACP_I2S_RX_INTR_WATERMARK_SIZE; + reg_val = ACP_I2STDM_IRER; + ier_val = ACP_I2STDM_IER; + buf_reg = ACP_I2S_RX_RINGBUFSIZE; + break; + case I2S_HS_INSTANCE: + water_val = ACP_HS_RX_INTR_WATERMARK_SIZE; + reg_val = ACP_HSTDM_IRER; + ier_val = ACP_HSTDM_IER; + buf_reg = ACP_HS_RX_RINGBUFSIZE; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } + writel(period_bytes, adata->acp_base + water_val); + writel(buf_size, adata->acp_base + buf_reg); + val = readl(adata->acp_base + reg_val); + val = val | BIT(0); + writel(val, adata->acp_base + reg_val); + writel(1, adata->acp_base + ier_val); + if (rsrc->soc_mclk) + acp_set_i2s_clk(adata, dai->driver->id); + return 0; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_ITER; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_ITER; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_ITER; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + } else { + switch (dai->driver->id) { + case I2S_BT_INSTANCE: + reg_val = ACP_BTTDM_IRER; + break; + case I2S_SP_INSTANCE: + reg_val = ACP_I2STDM_IRER; + break; + case I2S_HS_INSTANCE: + reg_val = ACP_HSTDM_IRER; + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + } + val = readl(adata->acp_base + reg_val); + val = val & ~BIT(0); + writel(val, adata->acp_base + reg_val); + + if (!(readl(adata->acp_base + ACP_BTTDM_ITER) & BIT(0)) && + !(readl(adata->acp_base + ACP_BTTDM_IRER) & BIT(0))) + writel(0, adata->acp_base + ACP_BTTDM_IER); + if (!(readl(adata->acp_base + ACP_I2STDM_ITER) & BIT(0)) && + !(readl(adata->acp_base + ACP_I2STDM_IRER) & BIT(0))) + writel(0, adata->acp_base + ACP_I2STDM_IER); + if (!(readl(adata->acp_base + ACP_HSTDM_ITER) & BIT(0)) && + !(readl(adata->acp_base + ACP_HSTDM_IRER) & BIT(0))) + writel(0, adata->acp_base + ACP_HSTDM_IER); + return 0; + default: + return -EINVAL; + } + + return 0; +} + +static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct device *dev = dai->component->dev; + struct acp_dev_data *adata = dev_get_drvdata(dev); + struct acp_resource *rsrc = adata->rsrc; + struct acp_stream *stream = substream->runtime->private_data; + u32 reg_dma_size = 0, reg_fifo_size = 0, reg_fifo_addr = 0; + u32 phy_addr = 0, acp_fifo_addr = 0, ext_int_ctrl; + unsigned int dir = substream->stream; + + switch (dai->driver->id) { + case I2S_SP_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_I2S_TX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + SP_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_I2S_TX_FIFOADDR; + reg_fifo_size = ACP_I2S_TX_FIFOSIZE; + + phy_addr = I2S_SP_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_I2S_TX_RINGBUFADDR); + } else { + reg_dma_size = ACP_I2S_RX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + SP_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_I2S_RX_FIFOADDR; + reg_fifo_size = ACP_I2S_RX_FIFOSIZE; + phy_addr = I2S_SP_RX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_I2S_RX_RINGBUFADDR); + } + break; + case I2S_BT_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_BT_TX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + BT_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_BT_TX_FIFOADDR; + reg_fifo_size = ACP_BT_TX_FIFOSIZE; + + phy_addr = I2S_BT_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_BT_TX_RINGBUFADDR); + } else { + reg_dma_size = ACP_BT_RX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + BT_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_BT_RX_FIFOADDR; + reg_fifo_size = ACP_BT_RX_FIFOSIZE; + + phy_addr = I2S_BT_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_BT_RX_RINGBUFADDR); + } + break; + case I2S_HS_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + reg_dma_size = ACP_HS_TX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + HS_PB_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_HS_TX_FIFOADDR; + reg_fifo_size = ACP_HS_TX_FIFOSIZE; + + phy_addr = I2S_HS_TX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_HS_TX_RINGBUFADDR); + } else { + reg_dma_size = ACP_HS_RX_DMA_SIZE; + acp_fifo_addr = rsrc->sram_pte_offset + + HS_CAPT_FIFO_ADDR_OFFSET; + reg_fifo_addr = ACP_HS_RX_FIFOADDR; + reg_fifo_size = ACP_HS_RX_FIFOSIZE; + + phy_addr = I2S_HS_RX_MEM_WINDOW_START + stream->reg_offset; + writel(phy_addr, adata->acp_base + ACP_HS_RX_RINGBUFADDR); + } + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + writel(DMA_SIZE, adata->acp_base + reg_dma_size); + writel(acp_fifo_addr, adata->acp_base + reg_fifo_addr); + writel(FIFO_SIZE, adata->acp_base + reg_fifo_size); + + ext_int_ctrl = readl(ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used)); + ext_int_ctrl |= BIT(I2S_RX_THRESHOLD(rsrc->offset)) | + BIT(BT_RX_THRESHOLD(rsrc->offset)) | + BIT(I2S_TX_THRESHOLD(rsrc->offset)) | + BIT(BT_TX_THRESHOLD(rsrc->offset)) | + BIT(HS_RX_THRESHOLD(rsrc->offset)) | + BIT(HS_TX_THRESHOLD(rsrc->offset)); + + writel(ext_int_ctrl, ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used)); + + return 0; +} + +static int acp_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct acp_stream *stream = substream->runtime->private_data; + struct device *dev = dai->component->dev; + struct acp_dev_data *adata = dev_get_drvdata(dev); + struct acp_resource *rsrc = adata->rsrc; + unsigned int dir = substream->stream; + unsigned int irq_bit = 0; + + switch (dai->driver->id) { + case I2S_SP_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(I2S_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_SP_PB_PTE_OFFSET; + stream->fifo_offset = SP_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(I2S_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_SP_CP_PTE_OFFSET; + stream->fifo_offset = SP_CAPT_FIFO_ADDR_OFFSET; + } + break; + case I2S_BT_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(BT_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_BT_PB_PTE_OFFSET; + stream->fifo_offset = BT_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(BT_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_BT_CP_PTE_OFFSET; + stream->fifo_offset = BT_CAPT_FIFO_ADDR_OFFSET; + } + break; + case I2S_HS_INSTANCE: + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + irq_bit = BIT(HS_TX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_HS_PB_PTE_OFFSET; + stream->fifo_offset = HS_PB_FIFO_ADDR_OFFSET; + } else { + irq_bit = BIT(HS_RX_THRESHOLD(rsrc->offset)); + stream->pte_offset = ACP_SRAM_HS_CP_PTE_OFFSET; + stream->fifo_offset = HS_CAPT_FIFO_ADDR_OFFSET; + } + break; + default: + dev_err(dev, "Invalid dai id %x\n", dai->driver->id); + return -EINVAL; + } + + /* Save runtime dai configuration in stream */ + stream->id = dai->driver->id + dir; + stream->dai_id = dai->driver->id; + stream->irq_bit = irq_bit; + stream->dir = substream->stream; + + return 0; +} + +const struct snd_soc_dai_ops asoc_acp_cpu_dai_ops = { + .startup = acp_i2s_startup, + .hw_params = acp_i2s_hwparams, + .prepare = acp_i2s_prepare, + .trigger = acp_i2s_trigger, + .set_fmt = acp_i2s_set_fmt, + .set_tdm_slot = acp_i2s_set_tdm_slot, +}; +EXPORT_SYMBOL_NS_GPL(asoc_acp_cpu_dai_ops, SND_SOC_ACP_COMMON); + +int asoc_acp_i2s_probe(struct snd_soc_dai *dai) +{ + struct device *dev = dai->component->dev; + struct acp_dev_data *adata = dev_get_drvdata(dev); + struct acp_resource *rsrc = adata->rsrc; + unsigned int val; + + if (!adata->acp_base) { + dev_err(dev, "I2S base is NULL\n"); + return -EINVAL; + } + + val = readl(adata->acp_base + rsrc->i2s_pin_cfg_offset); + if (val != rsrc->i2s_mode) { + dev_err(dev, "I2S Mode not supported val %x\n", val); + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_NS_GPL(asoc_acp_i2s_probe, SND_SOC_ACP_COMMON); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_ALIAS(DRV_NAME); -- cgit v1.2.3