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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 /sound/soc/tegra/tegra210_admaif.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
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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 '')
-rw-r--r--sound/soc/tegra/tegra210_admaif.c872
1 files changed, 872 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_admaif.c b/sound/soc/tegra/tegra210_admaif.c
new file mode 100644
index 000000000..1a2e868a6
--- /dev/null
+++ b/sound/soc/tegra/tegra210_admaif.c
@@ -0,0 +1,872 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// tegra210_admaif.c - Tegra ADMAIF driver
+//
+// Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "tegra210_admaif.h"
+#include "tegra_cif.h"
+#include "tegra_pcm.h"
+
+#define CH_REG(offset, reg, id) \
+ ((offset) + (reg) + (TEGRA_ADMAIF_CHANNEL_REG_STRIDE * (id)))
+
+#define CH_TX_REG(reg, id) CH_REG(admaif->soc_data->tx_base, reg, id)
+
+#define CH_RX_REG(reg, id) CH_REG(admaif->soc_data->rx_base, reg, id)
+
+#define REG_DEFAULTS(id, rx_ctrl, tx_ctrl, tx_base, rx_base) \
+ { CH_REG(rx_base, TEGRA_ADMAIF_RX_INT_MASK, id), 0x00000001 }, \
+ { CH_REG(rx_base, TEGRA_ADMAIF_CH_ACIF_RX_CTRL, id), 0x00007700 }, \
+ { CH_REG(rx_base, TEGRA_ADMAIF_RX_FIFO_CTRL, id), rx_ctrl }, \
+ { CH_REG(tx_base, TEGRA_ADMAIF_TX_INT_MASK, id), 0x00000001 }, \
+ { CH_REG(tx_base, TEGRA_ADMAIF_CH_ACIF_TX_CTRL, id), 0x00007700 }, \
+ { CH_REG(tx_base, TEGRA_ADMAIF_TX_FIFO_CTRL, id), tx_ctrl }
+
+#define ADMAIF_REG_DEFAULTS(id, chip) \
+ REG_DEFAULTS((id) - 1, \
+ chip ## _ADMAIF_RX ## id ## _FIFO_CTRL_REG_DEFAULT, \
+ chip ## _ADMAIF_TX ## id ## _FIFO_CTRL_REG_DEFAULT, \
+ chip ## _ADMAIF_TX_BASE, \
+ chip ## _ADMAIF_RX_BASE)
+
+static const struct reg_default tegra186_admaif_reg_defaults[] = {
+ {(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA186_ADMAIF_GLOBAL_BASE), 0x00000003},
+ ADMAIF_REG_DEFAULTS(1, TEGRA186),
+ ADMAIF_REG_DEFAULTS(2, TEGRA186),
+ ADMAIF_REG_DEFAULTS(3, TEGRA186),
+ ADMAIF_REG_DEFAULTS(4, TEGRA186),
+ ADMAIF_REG_DEFAULTS(5, TEGRA186),
+ ADMAIF_REG_DEFAULTS(6, TEGRA186),
+ ADMAIF_REG_DEFAULTS(7, TEGRA186),
+ ADMAIF_REG_DEFAULTS(8, TEGRA186),
+ ADMAIF_REG_DEFAULTS(9, TEGRA186),
+ ADMAIF_REG_DEFAULTS(10, TEGRA186),
+ ADMAIF_REG_DEFAULTS(11, TEGRA186),
+ ADMAIF_REG_DEFAULTS(12, TEGRA186),
+ ADMAIF_REG_DEFAULTS(13, TEGRA186),
+ ADMAIF_REG_DEFAULTS(14, TEGRA186),
+ ADMAIF_REG_DEFAULTS(15, TEGRA186),
+ ADMAIF_REG_DEFAULTS(16, TEGRA186),
+ ADMAIF_REG_DEFAULTS(17, TEGRA186),
+ ADMAIF_REG_DEFAULTS(18, TEGRA186),
+ ADMAIF_REG_DEFAULTS(19, TEGRA186),
+ ADMAIF_REG_DEFAULTS(20, TEGRA186)
+};
+
+static const struct reg_default tegra210_admaif_reg_defaults[] = {
+ {(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA210_ADMAIF_GLOBAL_BASE), 0x00000003},
+ ADMAIF_REG_DEFAULTS(1, TEGRA210),
+ ADMAIF_REG_DEFAULTS(2, TEGRA210),
+ ADMAIF_REG_DEFAULTS(3, TEGRA210),
+ ADMAIF_REG_DEFAULTS(4, TEGRA210),
+ ADMAIF_REG_DEFAULTS(5, TEGRA210),
+ ADMAIF_REG_DEFAULTS(6, TEGRA210),
+ ADMAIF_REG_DEFAULTS(7, TEGRA210),
+ ADMAIF_REG_DEFAULTS(8, TEGRA210),
+ ADMAIF_REG_DEFAULTS(9, TEGRA210),
+ ADMAIF_REG_DEFAULTS(10, TEGRA210)
+};
+
+static bool tegra_admaif_wr_reg(struct device *dev, unsigned int reg)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+ unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
+ unsigned int num_ch = admaif->soc_data->num_ch;
+ unsigned int rx_base = admaif->soc_data->rx_base;
+ unsigned int tx_base = admaif->soc_data->tx_base;
+ unsigned int global_base = admaif->soc_data->global_base;
+ unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
+ unsigned int rx_max = rx_base + (num_ch * ch_stride);
+ unsigned int tx_max = tx_base + (num_ch * ch_stride);
+
+ if ((reg >= rx_base) && (reg < rx_max)) {
+ reg = (reg - rx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
+ (reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
+ (reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
+ return true;
+ } else if ((reg >= tx_base) && (reg < tx_max)) {
+ reg = (reg - tx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
+ (reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
+ (reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
+ return true;
+ } else if ((reg >= global_base) && (reg < reg_max)) {
+ if (reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE))
+ return true;
+ }
+
+ return false;
+}
+
+static bool tegra_admaif_rd_reg(struct device *dev, unsigned int reg)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+ unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
+ unsigned int num_ch = admaif->soc_data->num_ch;
+ unsigned int rx_base = admaif->soc_data->rx_base;
+ unsigned int tx_base = admaif->soc_data->tx_base;
+ unsigned int global_base = admaif->soc_data->global_base;
+ unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
+ unsigned int rx_max = rx_base + (num_ch * ch_stride);
+ unsigned int tx_max = tx_base + (num_ch * ch_stride);
+
+ if ((reg >= rx_base) && (reg < rx_max)) {
+ reg = (reg - rx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_RX_STATUS) ||
+ (reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
+ (reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
+ (reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
+ (reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
+ return true;
+ } else if ((reg >= tx_base) && (reg < tx_max)) {
+ reg = (reg - tx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_TX_STATUS) ||
+ (reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
+ (reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
+ (reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
+ (reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
+ return true;
+ } else if ((reg >= global_base) && (reg < reg_max)) {
+ if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE)) ||
+ (reg == (global_base + TEGRA_ADMAIF_GLOBAL_CG_0)) ||
+ (reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
+ (reg == (global_base +
+ TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
+ (reg == (global_base +
+ TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
+ return true;
+ }
+
+ return false;
+}
+
+static bool tegra_admaif_volatile_reg(struct device *dev, unsigned int reg)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+ unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
+ unsigned int num_ch = admaif->soc_data->num_ch;
+ unsigned int rx_base = admaif->soc_data->rx_base;
+ unsigned int tx_base = admaif->soc_data->tx_base;
+ unsigned int global_base = admaif->soc_data->global_base;
+ unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
+ unsigned int rx_max = rx_base + (num_ch * ch_stride);
+ unsigned int tx_max = tx_base + (num_ch * ch_stride);
+
+ if ((reg >= rx_base) && (reg < rx_max)) {
+ reg = (reg - rx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_RX_STATUS) ||
+ (reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
+ (reg == TEGRA_ADMAIF_RX_SOFT_RESET))
+ return true;
+ } else if ((reg >= tx_base) && (reg < tx_max)) {
+ reg = (reg - tx_base) % ch_stride;
+ if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
+ (reg == TEGRA_ADMAIF_TX_STATUS) ||
+ (reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
+ (reg == TEGRA_ADMAIF_TX_SOFT_RESET))
+ return true;
+ } else if ((reg >= global_base) && (reg < reg_max)) {
+ if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
+ (reg == (global_base +
+ TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
+ (reg == (global_base +
+ TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
+ return true;
+ }
+
+ return false;
+}
+
+static const struct regmap_config tegra210_admaif_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = TEGRA210_ADMAIF_LAST_REG,
+ .writeable_reg = tegra_admaif_wr_reg,
+ .readable_reg = tegra_admaif_rd_reg,
+ .volatile_reg = tegra_admaif_volatile_reg,
+ .reg_defaults = tegra210_admaif_reg_defaults,
+ .num_reg_defaults = TEGRA210_ADMAIF_CHANNEL_COUNT * 6 + 1,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config tegra186_admaif_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = TEGRA186_ADMAIF_LAST_REG,
+ .writeable_reg = tegra_admaif_wr_reg,
+ .readable_reg = tegra_admaif_rd_reg,
+ .volatile_reg = tegra_admaif_volatile_reg,
+ .reg_defaults = tegra186_admaif_reg_defaults,
+ .num_reg_defaults = TEGRA186_ADMAIF_CHANNEL_COUNT * 6 + 1,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static int __maybe_unused tegra_admaif_runtime_suspend(struct device *dev)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+
+ regcache_cache_only(admaif->regmap, true);
+ regcache_mark_dirty(admaif->regmap);
+
+ return 0;
+}
+
+static int __maybe_unused tegra_admaif_runtime_resume(struct device *dev)
+{
+ struct tegra_admaif *admaif = dev_get_drvdata(dev);
+
+ regcache_cache_only(admaif->regmap, false);
+ regcache_sync(admaif->regmap);
+
+ return 0;
+}
+
+static int tegra_admaif_set_pack_mode(struct regmap *map, unsigned int reg,
+ int valid_bit)
+{
+ switch (valid_bit) {
+ case DATA_8BIT:
+ regmap_update_bits(map, reg, PACK8_EN_MASK, PACK8_EN);
+ regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
+ break;
+ case DATA_16BIT:
+ regmap_update_bits(map, reg, PACK16_EN_MASK, PACK16_EN);
+ regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
+ break;
+ case DATA_32BIT:
+ regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
+ regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tegra_admaif_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct device *dev = dai->dev;
+ struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
+ struct tegra_cif_conf cif_conf;
+ unsigned int reg, path;
+ int valid_bit, channels;
+
+ memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ cif_conf.audio_bits = TEGRA_ACIF_BITS_8;
+ cif_conf.client_bits = TEGRA_ACIF_BITS_8;
+ valid_bit = DATA_8BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ cif_conf.audio_bits = TEGRA_ACIF_BITS_16;
+ cif_conf.client_bits = TEGRA_ACIF_BITS_16;
+ valid_bit = DATA_16BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ cif_conf.audio_bits = TEGRA_ACIF_BITS_32;
+ cif_conf.client_bits = TEGRA_ACIF_BITS_32;
+ valid_bit = DATA_32BIT;
+ break;
+ default:
+ dev_err(dev, "unsupported format!\n");
+ return -EOPNOTSUPP;
+ }
+
+ channels = params_channels(params);
+ cif_conf.client_ch = channels;
+ cif_conf.audio_ch = channels;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ path = ADMAIF_TX_PATH;
+ reg = CH_TX_REG(TEGRA_ADMAIF_CH_ACIF_TX_CTRL, dai->id);
+ } else {
+ path = ADMAIF_RX_PATH;
+ reg = CH_RX_REG(TEGRA_ADMAIF_CH_ACIF_RX_CTRL, dai->id);
+ }
+
+ cif_conf.mono_conv = admaif->mono_to_stereo[path][dai->id];
+ cif_conf.stereo_conv = admaif->stereo_to_mono[path][dai->id];
+
+ tegra_admaif_set_pack_mode(admaif->regmap, reg, valid_bit);
+
+ tegra_set_cif(admaif->regmap, reg, &cif_conf);
+
+ return 0;
+}
+
+static int tegra_admaif_start(struct snd_soc_dai *dai, int direction)
+{
+ struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
+ unsigned int reg, mask, val;
+
+ switch (direction) {
+ case SNDRV_PCM_STREAM_PLAYBACK:
+ mask = TX_ENABLE_MASK;
+ val = TX_ENABLE;
+ reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
+ break;
+ case SNDRV_PCM_STREAM_CAPTURE:
+ mask = RX_ENABLE_MASK;
+ val = RX_ENABLE;
+ reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(admaif->regmap, reg, mask, val);
+
+ return 0;
+}
+
+static int tegra_admaif_stop(struct snd_soc_dai *dai, int direction)
+{
+ struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
+ unsigned int enable_reg, status_reg, reset_reg, mask, val;
+ char *dir_name;
+ int err, enable;
+
+ switch (direction) {
+ case SNDRV_PCM_STREAM_PLAYBACK:
+ mask = TX_ENABLE_MASK;
+ enable = TX_ENABLE;
+ dir_name = "TX";
+ enable_reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
+ status_reg = CH_TX_REG(TEGRA_ADMAIF_TX_STATUS, dai->id);
+ reset_reg = CH_TX_REG(TEGRA_ADMAIF_TX_SOFT_RESET, dai->id);
+ break;
+ case SNDRV_PCM_STREAM_CAPTURE:
+ mask = RX_ENABLE_MASK;
+ enable = RX_ENABLE;
+ dir_name = "RX";
+ enable_reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
+ status_reg = CH_RX_REG(TEGRA_ADMAIF_RX_STATUS, dai->id);
+ reset_reg = CH_RX_REG(TEGRA_ADMAIF_RX_SOFT_RESET, dai->id);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Disable TX/RX channel */
+ regmap_update_bits(admaif->regmap, enable_reg, mask, ~enable);
+
+ /* Wait until ADMAIF TX/RX status is disabled */
+ err = regmap_read_poll_timeout_atomic(admaif->regmap, status_reg, val,
+ !(val & enable), 10, 10000);
+ if (err < 0)
+ dev_warn(dai->dev, "timeout: failed to disable ADMAIF%d_%s\n",
+ dai->id + 1, dir_name);
+
+ /* SW reset */
+ regmap_update_bits(admaif->regmap, reset_reg, SW_RESET_MASK, SW_RESET);
+
+ /* Wait till SW reset is complete */
+ err = regmap_read_poll_timeout_atomic(admaif->regmap, reset_reg, val,
+ !(val & SW_RESET_MASK & SW_RESET),
+ 10, 10000);
+ if (err) {
+ dev_err(dai->dev, "timeout: SW reset failed for ADMAIF%d_%s\n",
+ dai->id + 1, dir_name);
+ return err;
+ }
+
+ return 0;
+}
+
+static int tegra_admaif_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ int err;
+
+ err = snd_dmaengine_pcm_trigger(substream, cmd);
+ if (err)
+ return err;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ return tegra_admaif_start(dai, substream->stream);
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ return tegra_admaif_stop(dai, substream->stream);
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct snd_soc_dai_ops tegra_admaif_dai_ops = {
+ .hw_params = tegra_admaif_hw_params,
+ .trigger = tegra_admaif_trigger,
+};
+
+static int tegra210_admaif_pget_mono_to_stereo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+
+ ucontrol->value.enumerated.item[0] =
+ admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg];
+
+ return 0;
+}
+
+static int tegra210_admaif_pput_mono_to_stereo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+ unsigned int value = ucontrol->value.enumerated.item[0];
+
+ if (value == admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg])
+ return 0;
+
+ admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg] = value;
+
+ return 1;
+}
+
+static int tegra210_admaif_cget_mono_to_stereo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+
+ ucontrol->value.enumerated.item[0] =
+ admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg];
+
+ return 0;
+}
+
+static int tegra210_admaif_cput_mono_to_stereo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+ unsigned int value = ucontrol->value.enumerated.item[0];
+
+ if (value == admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg])
+ return 0;
+
+ admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg] = value;
+
+ return 1;
+}
+
+static int tegra210_admaif_pget_stereo_to_mono(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+
+ ucontrol->value.enumerated.item[0] =
+ admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg];
+
+ return 0;
+}
+
+static int tegra210_admaif_pput_stereo_to_mono(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+ unsigned int value = ucontrol->value.enumerated.item[0];
+
+ if (value == admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg])
+ return 0;
+
+ admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg] = value;
+
+ return 1;
+}
+
+static int tegra210_admaif_cget_stereo_to_mono(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+
+ ucontrol->value.enumerated.item[0] =
+ admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg];
+
+ return 0;
+}
+
+static int tegra210_admaif_cput_stereo_to_mono(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+ unsigned int value = ucontrol->value.enumerated.item[0];
+
+ if (value == admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg])
+ return 0;
+
+ admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg] = value;
+
+ return 1;
+}
+
+static int tegra_admaif_dai_probe(struct snd_soc_dai *dai)
+{
+ struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
+
+ dai->capture_dma_data = &admaif->capture_dma_data[dai->id];
+ dai->playback_dma_data = &admaif->playback_dma_data[dai->id];
+
+ return 0;
+}
+
+#define DAI(dai_name) \
+ { \
+ .name = dai_name, \
+ .probe = tegra_admaif_dai_probe, \
+ .playback = { \
+ .stream_name = dai_name " Playback", \
+ .channels_min = 1, \
+ .channels_max = 16, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .capture = { \
+ .stream_name = dai_name " Capture", \
+ .channels_min = 1, \
+ .channels_max = 16, \
+ .rates = SNDRV_PCM_RATE_8000_192000, \
+ .formats = SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE, \
+ }, \
+ .ops = &tegra_admaif_dai_ops, \
+ }
+
+static struct snd_soc_dai_driver tegra210_admaif_cmpnt_dais[] = {
+ DAI("ADMAIF1"),
+ DAI("ADMAIF2"),
+ DAI("ADMAIF3"),
+ DAI("ADMAIF4"),
+ DAI("ADMAIF5"),
+ DAI("ADMAIF6"),
+ DAI("ADMAIF7"),
+ DAI("ADMAIF8"),
+ DAI("ADMAIF9"),
+ DAI("ADMAIF10"),
+};
+
+static struct snd_soc_dai_driver tegra186_admaif_cmpnt_dais[] = {
+ DAI("ADMAIF1"),
+ DAI("ADMAIF2"),
+ DAI("ADMAIF3"),
+ DAI("ADMAIF4"),
+ DAI("ADMAIF5"),
+ DAI("ADMAIF6"),
+ DAI("ADMAIF7"),
+ DAI("ADMAIF8"),
+ DAI("ADMAIF9"),
+ DAI("ADMAIF10"),
+ DAI("ADMAIF11"),
+ DAI("ADMAIF12"),
+ DAI("ADMAIF13"),
+ DAI("ADMAIF14"),
+ DAI("ADMAIF15"),
+ DAI("ADMAIF16"),
+ DAI("ADMAIF17"),
+ DAI("ADMAIF18"),
+ DAI("ADMAIF19"),
+ DAI("ADMAIF20"),
+};
+
+static const char * const tegra_admaif_stereo_conv_text[] = {
+ "CH0", "CH1", "AVG",
+};
+
+static const char * const tegra_admaif_mono_conv_text[] = {
+ "Zero", "Copy",
+};
+
+/*
+ * Below macro is added to avoid looping over all ADMAIFx controls related
+ * to mono/stereo conversions in get()/put() callbacks.
+ */
+#define NV_SOC_ENUM_EXT(xname, xreg, xhandler_get, xhandler_put, xenum_text) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .info = snd_soc_info_enum_double, \
+ .name = xname, \
+ .get = xhandler_get, \
+ .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_enum) \
+ SOC_ENUM_SINGLE(xreg, 0, ARRAY_SIZE(xenum_text), xenum_text) \
+}
+
+#define TEGRA_ADMAIF_CIF_CTRL(reg) \
+ NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Mono To Stereo", reg - 1, \
+ tegra210_admaif_pget_mono_to_stereo, \
+ tegra210_admaif_pput_mono_to_stereo, \
+ tegra_admaif_mono_conv_text), \
+ NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Stereo To Mono", reg - 1, \
+ tegra210_admaif_pget_stereo_to_mono, \
+ tegra210_admaif_pput_stereo_to_mono, \
+ tegra_admaif_stereo_conv_text), \
+ NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Mono To Stereo", reg - 1, \
+ tegra210_admaif_cget_mono_to_stereo, \
+ tegra210_admaif_cput_mono_to_stereo, \
+ tegra_admaif_mono_conv_text), \
+ NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Stereo To Mono", reg - 1, \
+ tegra210_admaif_cget_stereo_to_mono, \
+ tegra210_admaif_cput_stereo_to_mono, \
+ tegra_admaif_stereo_conv_text)
+
+static struct snd_kcontrol_new tegra210_admaif_controls[] = {
+ TEGRA_ADMAIF_CIF_CTRL(1),
+ TEGRA_ADMAIF_CIF_CTRL(2),
+ TEGRA_ADMAIF_CIF_CTRL(3),
+ TEGRA_ADMAIF_CIF_CTRL(4),
+ TEGRA_ADMAIF_CIF_CTRL(5),
+ TEGRA_ADMAIF_CIF_CTRL(6),
+ TEGRA_ADMAIF_CIF_CTRL(7),
+ TEGRA_ADMAIF_CIF_CTRL(8),
+ TEGRA_ADMAIF_CIF_CTRL(9),
+ TEGRA_ADMAIF_CIF_CTRL(10),
+};
+
+static struct snd_kcontrol_new tegra186_admaif_controls[] = {
+ TEGRA_ADMAIF_CIF_CTRL(1),
+ TEGRA_ADMAIF_CIF_CTRL(2),
+ TEGRA_ADMAIF_CIF_CTRL(3),
+ TEGRA_ADMAIF_CIF_CTRL(4),
+ TEGRA_ADMAIF_CIF_CTRL(5),
+ TEGRA_ADMAIF_CIF_CTRL(6),
+ TEGRA_ADMAIF_CIF_CTRL(7),
+ TEGRA_ADMAIF_CIF_CTRL(8),
+ TEGRA_ADMAIF_CIF_CTRL(9),
+ TEGRA_ADMAIF_CIF_CTRL(10),
+ TEGRA_ADMAIF_CIF_CTRL(11),
+ TEGRA_ADMAIF_CIF_CTRL(12),
+ TEGRA_ADMAIF_CIF_CTRL(13),
+ TEGRA_ADMAIF_CIF_CTRL(14),
+ TEGRA_ADMAIF_CIF_CTRL(15),
+ TEGRA_ADMAIF_CIF_CTRL(16),
+ TEGRA_ADMAIF_CIF_CTRL(17),
+ TEGRA_ADMAIF_CIF_CTRL(18),
+ TEGRA_ADMAIF_CIF_CTRL(19),
+ TEGRA_ADMAIF_CIF_CTRL(20),
+};
+
+static const struct snd_soc_component_driver tegra210_admaif_cmpnt = {
+ .controls = tegra210_admaif_controls,
+ .num_controls = ARRAY_SIZE(tegra210_admaif_controls),
+ .pcm_construct = tegra_pcm_construct,
+ .open = tegra_pcm_open,
+ .close = tegra_pcm_close,
+ .hw_params = tegra_pcm_hw_params,
+ .pointer = tegra_pcm_pointer,
+};
+
+static const struct snd_soc_component_driver tegra186_admaif_cmpnt = {
+ .controls = tegra186_admaif_controls,
+ .num_controls = ARRAY_SIZE(tegra186_admaif_controls),
+ .pcm_construct = tegra_pcm_construct,
+ .open = tegra_pcm_open,
+ .close = tegra_pcm_close,
+ .hw_params = tegra_pcm_hw_params,
+ .pointer = tegra_pcm_pointer,
+};
+
+static const struct tegra_admaif_soc_data soc_data_tegra210 = {
+ .num_ch = TEGRA210_ADMAIF_CHANNEL_COUNT,
+ .cmpnt = &tegra210_admaif_cmpnt,
+ .dais = tegra210_admaif_cmpnt_dais,
+ .regmap_conf = &tegra210_admaif_regmap_config,
+ .global_base = TEGRA210_ADMAIF_GLOBAL_BASE,
+ .tx_base = TEGRA210_ADMAIF_TX_BASE,
+ .rx_base = TEGRA210_ADMAIF_RX_BASE,
+};
+
+static const struct tegra_admaif_soc_data soc_data_tegra186 = {
+ .num_ch = TEGRA186_ADMAIF_CHANNEL_COUNT,
+ .cmpnt = &tegra186_admaif_cmpnt,
+ .dais = tegra186_admaif_cmpnt_dais,
+ .regmap_conf = &tegra186_admaif_regmap_config,
+ .global_base = TEGRA186_ADMAIF_GLOBAL_BASE,
+ .tx_base = TEGRA186_ADMAIF_TX_BASE,
+ .rx_base = TEGRA186_ADMAIF_RX_BASE,
+};
+
+static const struct of_device_id tegra_admaif_of_match[] = {
+ { .compatible = "nvidia,tegra210-admaif", .data = &soc_data_tegra210 },
+ { .compatible = "nvidia,tegra186-admaif", .data = &soc_data_tegra186 },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tegra_admaif_of_match);
+
+static int tegra_admaif_probe(struct platform_device *pdev)
+{
+ struct tegra_admaif *admaif;
+ void __iomem *regs;
+ struct resource *res;
+ int err, i;
+
+ admaif = devm_kzalloc(&pdev->dev, sizeof(*admaif), GFP_KERNEL);
+ if (!admaif)
+ return -ENOMEM;
+
+ admaif->soc_data = of_device_get_match_data(&pdev->dev);
+
+ dev_set_drvdata(&pdev->dev, admaif);
+
+ admaif->capture_dma_data =
+ devm_kcalloc(&pdev->dev,
+ admaif->soc_data->num_ch,
+ sizeof(struct snd_dmaengine_dai_dma_data),
+ GFP_KERNEL);
+ if (!admaif->capture_dma_data)
+ return -ENOMEM;
+
+ admaif->playback_dma_data =
+ devm_kcalloc(&pdev->dev,
+ admaif->soc_data->num_ch,
+ sizeof(struct snd_dmaengine_dai_dma_data),
+ GFP_KERNEL);
+ if (!admaif->playback_dma_data)
+ return -ENOMEM;
+
+ for (i = 0; i < ADMAIF_PATHS; i++) {
+ admaif->mono_to_stereo[i] =
+ devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
+ sizeof(unsigned int), GFP_KERNEL);
+ if (!admaif->mono_to_stereo[i])
+ return -ENOMEM;
+
+ admaif->stereo_to_mono[i] =
+ devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
+ sizeof(unsigned int), GFP_KERNEL);
+ if (!admaif->stereo_to_mono[i])
+ return -ENOMEM;
+ }
+
+ regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ admaif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
+ admaif->soc_data->regmap_conf);
+ if (IS_ERR(admaif->regmap)) {
+ dev_err(&pdev->dev, "regmap init failed\n");
+ return PTR_ERR(admaif->regmap);
+ }
+
+ regcache_cache_only(admaif->regmap, true);
+
+ regmap_update_bits(admaif->regmap, admaif->soc_data->global_base +
+ TEGRA_ADMAIF_GLOBAL_ENABLE, 1, 1);
+
+ for (i = 0; i < admaif->soc_data->num_ch; i++) {
+ admaif->playback_dma_data[i].addr = res->start +
+ CH_TX_REG(TEGRA_ADMAIF_TX_FIFO_WRITE, i);
+
+ admaif->capture_dma_data[i].addr = res->start +
+ CH_RX_REG(TEGRA_ADMAIF_RX_FIFO_READ, i);
+
+ admaif->playback_dma_data[i].addr_width = 32;
+
+ if (of_property_read_string_index(pdev->dev.of_node,
+ "dma-names", (i * 2) + 1,
+ &admaif->playback_dma_data[i].chan_name) < 0) {
+ dev_err(&pdev->dev,
+ "missing property nvidia,dma-names\n");
+
+ return -ENODEV;
+ }
+
+ admaif->capture_dma_data[i].addr_width = 32;
+
+ if (of_property_read_string_index(pdev->dev.of_node,
+ "dma-names",
+ (i * 2),
+ &admaif->capture_dma_data[i].chan_name) < 0) {
+ dev_err(&pdev->dev,
+ "missing property nvidia,dma-names\n");
+
+ return -ENODEV;
+ }
+ }
+
+ err = devm_snd_soc_register_component(&pdev->dev,
+ admaif->soc_data->cmpnt,
+ admaif->soc_data->dais,
+ admaif->soc_data->num_ch);
+ if (err) {
+ dev_err(&pdev->dev,
+ "can't register ADMAIF component, err: %d\n", err);
+ return err;
+ }
+
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+}
+
+static int tegra_admaif_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+static const struct dev_pm_ops tegra_admaif_pm_ops = {
+ SET_RUNTIME_PM_OPS(tegra_admaif_runtime_suspend,
+ tegra_admaif_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+static struct platform_driver tegra_admaif_driver = {
+ .probe = tegra_admaif_probe,
+ .remove = tegra_admaif_remove,
+ .driver = {
+ .name = "tegra210-admaif",
+ .of_match_table = tegra_admaif_of_match,
+ .pm = &tegra_admaif_pm_ops,
+ },
+};
+module_platform_driver(tegra_admaif_driver);
+
+MODULE_AUTHOR("Songhee Baek <sbaek@nvidia.com>");
+MODULE_DESCRIPTION("Tegra210 ASoC ADMAIF driver");
+MODULE_LICENSE("GPL v2");