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/codecs/pcm186x.c | 705 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 705 insertions(+) create mode 100644 sound/soc/codecs/pcm186x.c (limited to 'sound/soc/codecs/pcm186x.c') diff --git a/sound/soc/codecs/pcm186x.c b/sound/soc/codecs/pcm186x.c new file mode 100644 index 000000000..dd21803ba --- /dev/null +++ b/sound/soc/codecs/pcm186x.c @@ -0,0 +1,705 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Texas Instruments PCM186x Universal Audio ADC + * + * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com + * Andreas Dannenberg + * Andrew F. Davis + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "pcm186x.h" + +static const char * const pcm186x_supply_names[] = { + "avdd", /* Analog power supply. Connect to 3.3-V supply. */ + "dvdd", /* Digital power supply. Connect to 3.3-V supply. */ + "iovdd", /* I/O power supply. Connect to 3.3-V or 1.8-V. */ +}; +#define PCM186x_NUM_SUPPLIES ARRAY_SIZE(pcm186x_supply_names) + +struct pcm186x_priv { + struct regmap *regmap; + struct regulator_bulk_data supplies[PCM186x_NUM_SUPPLIES]; + unsigned int sysclk; + unsigned int tdm_offset; + bool is_tdm_mode; + bool is_provider_mode; +}; + +static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 50, 0); + +static const struct snd_kcontrol_new pcm1863_snd_controls[] = { + SOC_DOUBLE_R_S_TLV("ADC Capture Volume", PCM186X_PGA_VAL_CH1_L, + PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0, + pcm186x_pga_tlv), +}; + +static const struct snd_kcontrol_new pcm1865_snd_controls[] = { + SOC_DOUBLE_R_S_TLV("ADC1 Capture Volume", PCM186X_PGA_VAL_CH1_L, + PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0, + pcm186x_pga_tlv), + SOC_DOUBLE_R_S_TLV("ADC2 Capture Volume", PCM186X_PGA_VAL_CH2_L, + PCM186X_PGA_VAL_CH2_R, 0, -24, 80, 7, 0, + pcm186x_pga_tlv), +}; + +static const unsigned int pcm186x_adc_input_channel_sel_value[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x20, 0x30 +}; + +static const char * const pcm186x_adcl_input_channel_sel_text[] = { + "No Select", + "VINL1[SE]", /* Default for ADC1L */ + "VINL2[SE]", /* Default for ADC2L */ + "VINL2[SE] + VINL1[SE]", + "VINL3[SE]", + "VINL3[SE] + VINL1[SE]", + "VINL3[SE] + VINL2[SE]", + "VINL3[SE] + VINL2[SE] + VINL1[SE]", + "VINL4[SE]", + "VINL4[SE] + VINL1[SE]", + "VINL4[SE] + VINL2[SE]", + "VINL4[SE] + VINL2[SE] + VINL1[SE]", + "VINL4[SE] + VINL3[SE]", + "VINL4[SE] + VINL3[SE] + VINL1[SE]", + "VINL4[SE] + VINL3[SE] + VINL2[SE]", + "VINL4[SE] + VINL3[SE] + VINL2[SE] + VINL1[SE]", + "{VIN1P, VIN1M}[DIFF]", + "{VIN4P, VIN4M}[DIFF]", + "{VIN1P, VIN1M}[DIFF] + {VIN4P, VIN4M}[DIFF]" +}; + +static const char * const pcm186x_adcr_input_channel_sel_text[] = { + "No Select", + "VINR1[SE]", /* Default for ADC1R */ + "VINR2[SE]", /* Default for ADC2R */ + "VINR2[SE] + VINR1[SE]", + "VINR3[SE]", + "VINR3[SE] + VINR1[SE]", + "VINR3[SE] + VINR2[SE]", + "VINR3[SE] + VINR2[SE] + VINR1[SE]", + "VINR4[SE]", + "VINR4[SE] + VINR1[SE]", + "VINR4[SE] + VINR2[SE]", + "VINR4[SE] + VINR2[SE] + VINR1[SE]", + "VINR4[SE] + VINR3[SE]", + "VINR4[SE] + VINR3[SE] + VINR1[SE]", + "VINR4[SE] + VINR3[SE] + VINR2[SE]", + "VINR4[SE] + VINR3[SE] + VINR2[SE] + VINR1[SE]", + "{VIN2P, VIN2M}[DIFF]", + "{VIN3P, VIN3M}[DIFF]", + "{VIN2P, VIN2M}[DIFF] + {VIN3P, VIN3M}[DIFF]" +}; + +static const struct soc_enum pcm186x_adc_input_channel_sel[] = { + SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_L, 0, + PCM186X_ADC_INPUT_SEL_MASK, + ARRAY_SIZE(pcm186x_adcl_input_channel_sel_text), + pcm186x_adcl_input_channel_sel_text, + pcm186x_adc_input_channel_sel_value), + SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_R, 0, + PCM186X_ADC_INPUT_SEL_MASK, + ARRAY_SIZE(pcm186x_adcr_input_channel_sel_text), + pcm186x_adcr_input_channel_sel_text, + pcm186x_adc_input_channel_sel_value), + SOC_VALUE_ENUM_SINGLE(PCM186X_ADC2_INPUT_SEL_L, 0, + PCM186X_ADC_INPUT_SEL_MASK, + ARRAY_SIZE(pcm186x_adcl_input_channel_sel_text), + pcm186x_adcl_input_channel_sel_text, + pcm186x_adc_input_channel_sel_value), + SOC_VALUE_ENUM_SINGLE(PCM186X_ADC2_INPUT_SEL_R, 0, + PCM186X_ADC_INPUT_SEL_MASK, + ARRAY_SIZE(pcm186x_adcr_input_channel_sel_text), + pcm186x_adcr_input_channel_sel_text, + pcm186x_adc_input_channel_sel_value), +}; + +static const struct snd_kcontrol_new pcm186x_adc_mux_controls[] = { + SOC_DAPM_ENUM("ADC1 Left Input", pcm186x_adc_input_channel_sel[0]), + SOC_DAPM_ENUM("ADC1 Right Input", pcm186x_adc_input_channel_sel[1]), + SOC_DAPM_ENUM("ADC2 Left Input", pcm186x_adc_input_channel_sel[2]), + SOC_DAPM_ENUM("ADC2 Right Input", pcm186x_adc_input_channel_sel[3]), +}; + +static const struct snd_soc_dapm_widget pcm1863_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("VINL1"), + SND_SOC_DAPM_INPUT("VINR1"), + SND_SOC_DAPM_INPUT("VINL2"), + SND_SOC_DAPM_INPUT("VINR2"), + SND_SOC_DAPM_INPUT("VINL3"), + SND_SOC_DAPM_INPUT("VINR3"), + SND_SOC_DAPM_INPUT("VINL4"), + SND_SOC_DAPM_INPUT("VINR4"), + + SND_SOC_DAPM_MUX("ADC Left Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[0]), + SND_SOC_DAPM_MUX("ADC Right Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[1]), + + /* + * Put the codec into SLEEP mode when not in use, allowing the + * Energysense mechanism to operate. + */ + SND_SOC_DAPM_ADC("ADC", "HiFi Capture", PCM186X_POWER_CTRL, 1, 1), +}; + +static const struct snd_soc_dapm_widget pcm1865_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("VINL1"), + SND_SOC_DAPM_INPUT("VINR1"), + SND_SOC_DAPM_INPUT("VINL2"), + SND_SOC_DAPM_INPUT("VINR2"), + SND_SOC_DAPM_INPUT("VINL3"), + SND_SOC_DAPM_INPUT("VINR3"), + SND_SOC_DAPM_INPUT("VINL4"), + SND_SOC_DAPM_INPUT("VINR4"), + + SND_SOC_DAPM_MUX("ADC1 Left Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[0]), + SND_SOC_DAPM_MUX("ADC1 Right Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[1]), + SND_SOC_DAPM_MUX("ADC2 Left Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[2]), + SND_SOC_DAPM_MUX("ADC2 Right Capture Source", SND_SOC_NOPM, 0, 0, + &pcm186x_adc_mux_controls[3]), + + /* + * Put the codec into SLEEP mode when not in use, allowing the + * Energysense mechanism to operate. + */ + SND_SOC_DAPM_ADC("ADC1", "HiFi Capture 1", PCM186X_POWER_CTRL, 1, 1), + SND_SOC_DAPM_ADC("ADC2", "HiFi Capture 2", PCM186X_POWER_CTRL, 1, 1), +}; + +static const struct snd_soc_dapm_route pcm1863_dapm_routes[] = { + { "ADC Left Capture Source", NULL, "VINL1" }, + { "ADC Left Capture Source", NULL, "VINR1" }, + { "ADC Left Capture Source", NULL, "VINL2" }, + { "ADC Left Capture Source", NULL, "VINR2" }, + { "ADC Left Capture Source", NULL, "VINL3" }, + { "ADC Left Capture Source", NULL, "VINR3" }, + { "ADC Left Capture Source", NULL, "VINL4" }, + { "ADC Left Capture Source", NULL, "VINR4" }, + + { "ADC", NULL, "ADC Left Capture Source" }, + + { "ADC Right Capture Source", NULL, "VINL1" }, + { "ADC Right Capture Source", NULL, "VINR1" }, + { "ADC Right Capture Source", NULL, "VINL2" }, + { "ADC Right Capture Source", NULL, "VINR2" }, + { "ADC Right Capture Source", NULL, "VINL3" }, + { "ADC Right Capture Source", NULL, "VINR3" }, + { "ADC Right Capture Source", NULL, "VINL4" }, + { "ADC Right Capture Source", NULL, "VINR4" }, + + { "ADC", NULL, "ADC Right Capture Source" }, +}; + +static const struct snd_soc_dapm_route pcm1865_dapm_routes[] = { + { "ADC1 Left Capture Source", NULL, "VINL1" }, + { "ADC1 Left Capture Source", NULL, "VINR1" }, + { "ADC1 Left Capture Source", NULL, "VINL2" }, + { "ADC1 Left Capture Source", NULL, "VINR2" }, + { "ADC1 Left Capture Source", NULL, "VINL3" }, + { "ADC1 Left Capture Source", NULL, "VINR3" }, + { "ADC1 Left Capture Source", NULL, "VINL4" }, + { "ADC1 Left Capture Source", NULL, "VINR4" }, + + { "ADC1", NULL, "ADC1 Left Capture Source" }, + + { "ADC1 Right Capture Source", NULL, "VINL1" }, + { "ADC1 Right Capture Source", NULL, "VINR1" }, + { "ADC1 Right Capture Source", NULL, "VINL2" }, + { "ADC1 Right Capture Source", NULL, "VINR2" }, + { "ADC1 Right Capture Source", NULL, "VINL3" }, + { "ADC1 Right Capture Source", NULL, "VINR3" }, + { "ADC1 Right Capture Source", NULL, "VINL4" }, + { "ADC1 Right Capture Source", NULL, "VINR4" }, + + { "ADC1", NULL, "ADC1 Right Capture Source" }, + + { "ADC2 Left Capture Source", NULL, "VINL1" }, + { "ADC2 Left Capture Source", NULL, "VINR1" }, + { "ADC2 Left Capture Source", NULL, "VINL2" }, + { "ADC2 Left Capture Source", NULL, "VINR2" }, + { "ADC2 Left Capture Source", NULL, "VINL3" }, + { "ADC2 Left Capture Source", NULL, "VINR3" }, + { "ADC2 Left Capture Source", NULL, "VINL4" }, + { "ADC2 Left Capture Source", NULL, "VINR4" }, + + { "ADC2", NULL, "ADC2 Left Capture Source" }, + + { "ADC2 Right Capture Source", NULL, "VINL1" }, + { "ADC2 Right Capture Source", NULL, "VINR1" }, + { "ADC2 Right Capture Source", NULL, "VINL2" }, + { "ADC2 Right Capture Source", NULL, "VINR2" }, + { "ADC2 Right Capture Source", NULL, "VINL3" }, + { "ADC2 Right Capture Source", NULL, "VINR3" }, + { "ADC2 Right Capture Source", NULL, "VINL4" }, + { "ADC2 Right Capture Source", NULL, "VINR4" }, + + { "ADC2", NULL, "ADC2 Right Capture Source" }, +}; + +static int pcm186x_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + unsigned int rate = params_rate(params); + snd_pcm_format_t format = params_format(params); + unsigned int width = params_width(params); + unsigned int channels = params_channels(params); + unsigned int div_lrck; + unsigned int div_bck; + u8 tdm_tx_sel = 0; + u8 pcm_cfg = 0; + + dev_dbg(component->dev, "%s() rate=%u format=0x%x width=%u channels=%u\n", + __func__, rate, format, width, channels); + + switch (width) { + case 16: + pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_16 << + PCM186X_PCM_CFG_RX_WLEN_SHIFT | + PCM186X_PCM_CFG_TX_WLEN_16 << + PCM186X_PCM_CFG_TX_WLEN_SHIFT; + break; + case 20: + pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_20 << + PCM186X_PCM_CFG_RX_WLEN_SHIFT | + PCM186X_PCM_CFG_TX_WLEN_20 << + PCM186X_PCM_CFG_TX_WLEN_SHIFT; + break; + case 24: + pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_24 << + PCM186X_PCM_CFG_RX_WLEN_SHIFT | + PCM186X_PCM_CFG_TX_WLEN_24 << + PCM186X_PCM_CFG_TX_WLEN_SHIFT; + break; + case 32: + pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_32 << + PCM186X_PCM_CFG_RX_WLEN_SHIFT | + PCM186X_PCM_CFG_TX_WLEN_32 << + PCM186X_PCM_CFG_TX_WLEN_SHIFT; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, PCM186X_PCM_CFG, + PCM186X_PCM_CFG_RX_WLEN_MASK | + PCM186X_PCM_CFG_TX_WLEN_MASK, + pcm_cfg); + + div_lrck = width * channels; + + if (priv->is_tdm_mode) { + /* Select TDM transmission data */ + switch (channels) { + case 2: + tdm_tx_sel = PCM186X_TDM_TX_SEL_2CH; + break; + case 4: + tdm_tx_sel = PCM186X_TDM_TX_SEL_4CH; + break; + case 6: + tdm_tx_sel = PCM186X_TDM_TX_SEL_6CH; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, PCM186X_TDM_TX_SEL, + PCM186X_TDM_TX_SEL_MASK, tdm_tx_sel); + + /* In DSP/TDM mode, the LRCLK divider must be 256 */ + div_lrck = 256; + + /* Configure 1/256 duty cycle for LRCK */ + snd_soc_component_update_bits(component, PCM186X_PCM_CFG, + PCM186X_PCM_CFG_TDM_LRCK_MODE, + PCM186X_PCM_CFG_TDM_LRCK_MODE); + } + + /* Only configure clock dividers in provider mode. */ + if (priv->is_provider_mode) { + div_bck = priv->sysclk / (div_lrck * rate); + + dev_dbg(component->dev, + "%s() master_clk=%u div_bck=%u div_lrck=%u\n", + __func__, priv->sysclk, div_bck, div_lrck); + + snd_soc_component_write(component, PCM186X_BCK_DIV, div_bck - 1); + snd_soc_component_write(component, PCM186X_LRK_DIV, div_lrck - 1); + } + + return 0; +} + +static int pcm186x_set_fmt(struct snd_soc_dai *dai, unsigned int format) +{ + struct snd_soc_component *component = dai->component; + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + u8 clk_ctrl = 0; + u8 pcm_cfg = 0; + + dev_dbg(component->dev, "%s() format=0x%x\n", __func__, format); + + switch (format & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: + if (!priv->sysclk) { + dev_err(component->dev, "operating in provider mode requires sysclock to be configured\n"); + return -EINVAL; + } + clk_ctrl |= PCM186X_CLK_CTRL_MST_MODE; + priv->is_provider_mode = true; + break; + case SND_SOC_DAIFMT_CBC_CFC: + priv->is_provider_mode = false; + break; + default: + dev_err(component->dev, "Invalid DAI master/slave interface\n"); + return -EINVAL; + } + + /* set interface polarity */ + switch (format & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + default: + dev_err(component->dev, "Inverted DAI clocks not supported\n"); + return -EINVAL; + } + + /* set interface format */ + switch (format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + pcm_cfg = PCM186X_PCM_CFG_FMT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + pcm_cfg = PCM186X_PCM_CFG_FMT_LEFTJ; + break; + case SND_SOC_DAIFMT_DSP_A: + priv->tdm_offset += 1; + fallthrough; + /* DSP_A uses the same basic config as DSP_B + * except we need to shift the TDM output by one BCK cycle + */ + case SND_SOC_DAIFMT_DSP_B: + priv->is_tdm_mode = true; + pcm_cfg = PCM186X_PCM_CFG_FMT_TDM; + break; + default: + dev_err(component->dev, "Invalid DAI format\n"); + return -EINVAL; + } + + snd_soc_component_update_bits(component, PCM186X_CLK_CTRL, + PCM186X_CLK_CTRL_MST_MODE, clk_ctrl); + + snd_soc_component_write(component, PCM186X_TDM_TX_OFFSET, priv->tdm_offset); + + snd_soc_component_update_bits(component, PCM186X_PCM_CFG, + PCM186X_PCM_CFG_FMT_MASK, pcm_cfg); + + return 0; +} + +static int pcm186x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + unsigned int first_slot, last_slot, tdm_offset; + + dev_dbg(component->dev, + "%s() tx_mask=0x%x rx_mask=0x%x slots=%d slot_width=%d\n", + __func__, tx_mask, rx_mask, slots, slot_width); + + if (!tx_mask) { + dev_err(component->dev, "tdm tx mask must not be 0\n"); + return -EINVAL; + } + + first_slot = __ffs(tx_mask); + last_slot = __fls(tx_mask); + + if (last_slot - first_slot != hweight32(tx_mask) - 1) { + dev_err(component->dev, "tdm tx mask must be contiguous\n"); + return -EINVAL; + } + + tdm_offset = first_slot * slot_width; + + if (tdm_offset > 255) { + dev_err(component->dev, "tdm tx slot selection out of bounds\n"); + return -EINVAL; + } + + priv->tdm_offset = tdm_offset; + + return 0; +} + +static int pcm186x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + struct snd_soc_component *component = dai->component; + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + + dev_dbg(component->dev, "%s() clk_id=%d freq=%u dir=%d\n", + __func__, clk_id, freq, dir); + + priv->sysclk = freq; + + return 0; +} + +static const struct snd_soc_dai_ops pcm186x_dai_ops = { + .set_sysclk = pcm186x_set_dai_sysclk, + .set_tdm_slot = pcm186x_set_tdm_slot, + .set_fmt = pcm186x_set_fmt, + .hw_params = pcm186x_hw_params, +}; + +static struct snd_soc_dai_driver pcm1863_dai = { + .name = "pcm1863-aif", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = PCM186X_RATES, + .formats = PCM186X_FORMATS, + }, + .ops = &pcm186x_dai_ops, +}; + +static struct snd_soc_dai_driver pcm1865_dai = { + .name = "pcm1865-aif", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 4, + .rates = PCM186X_RATES, + .formats = PCM186X_FORMATS, + }, + .ops = &pcm186x_dai_ops, +}; + +static int pcm186x_power_on(struct snd_soc_component *component) +{ + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + int ret = 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), + priv->supplies); + if (ret) + return ret; + + regcache_cache_only(priv->regmap, false); + ret = regcache_sync(priv->regmap); + if (ret) { + dev_err(component->dev, "Failed to restore cache\n"); + regcache_cache_only(priv->regmap, true); + regulator_bulk_disable(ARRAY_SIZE(priv->supplies), + priv->supplies); + return ret; + } + + snd_soc_component_update_bits(component, PCM186X_POWER_CTRL, + PCM186X_PWR_CTRL_PWRDN, 0); + + return 0; +} + +static int pcm186x_power_off(struct snd_soc_component *component) +{ + struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component); + + snd_soc_component_update_bits(component, PCM186X_POWER_CTRL, + PCM186X_PWR_CTRL_PWRDN, PCM186X_PWR_CTRL_PWRDN); + + regcache_cache_only(priv->regmap, true); + + return regulator_bulk_disable(ARRAY_SIZE(priv->supplies), + priv->supplies); +} + +static int pcm186x_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + dev_dbg(component->dev, "## %s: %d -> %d\n", __func__, + snd_soc_component_get_bias_level(component), level); + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + break; + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) + pcm186x_power_on(component); + break; + case SND_SOC_BIAS_OFF: + pcm186x_power_off(component); + break; + } + + return 0; +} + +static struct snd_soc_component_driver soc_codec_dev_pcm1863 = { + .set_bias_level = pcm186x_set_bias_level, + .controls = pcm1863_snd_controls, + .num_controls = ARRAY_SIZE(pcm1863_snd_controls), + .dapm_widgets = pcm1863_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(pcm1863_dapm_widgets), + .dapm_routes = pcm1863_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(pcm1863_dapm_routes), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static struct snd_soc_component_driver soc_codec_dev_pcm1865 = { + .set_bias_level = pcm186x_set_bias_level, + .controls = pcm1865_snd_controls, + .num_controls = ARRAY_SIZE(pcm1865_snd_controls), + .dapm_widgets = pcm1865_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(pcm1865_dapm_widgets), + .dapm_routes = pcm1865_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(pcm1865_dapm_routes), + .suspend_bias_off = 1, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static bool pcm186x_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case PCM186X_PAGE: + case PCM186X_DEVICE_STATUS: + case PCM186X_FSAMPLE_STATUS: + case PCM186X_DIV_STATUS: + case PCM186X_CLK_STATUS: + case PCM186X_SUPPLY_STATUS: + case PCM186X_MMAP_STAT_CTRL: + case PCM186X_MMAP_ADDRESS: + return true; + } + + return false; +} + +static const struct regmap_range_cfg pcm186x_range = { + .name = "Pages", + .range_max = PCM186X_MAX_REGISTER, + .selector_reg = PCM186X_PAGE, + .selector_mask = 0xff, + .window_len = PCM186X_PAGE_LEN, +}; + +const struct regmap_config pcm186x_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .volatile_reg = pcm186x_volatile, + + .ranges = &pcm186x_range, + .num_ranges = 1, + + .max_register = PCM186X_MAX_REGISTER, + + .cache_type = REGCACHE_RBTREE, +}; +EXPORT_SYMBOL_GPL(pcm186x_regmap); + +int pcm186x_probe(struct device *dev, enum pcm186x_type type, int irq, + struct regmap *regmap) +{ + struct pcm186x_priv *priv; + int i, ret; + + priv = devm_kzalloc(dev, sizeof(struct pcm186x_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + dev_set_drvdata(dev, priv); + priv->regmap = regmap; + + for (i = 0; i < ARRAY_SIZE(priv->supplies); i++) + priv->supplies[i].supply = pcm186x_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies), + priv->supplies); + if (ret) { + dev_err(dev, "failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), + priv->supplies); + if (ret) { + dev_err(dev, "failed enable supplies: %d\n", ret); + return ret; + } + + /* Reset device registers for a consistent power-on like state */ + ret = regmap_write(regmap, PCM186X_PAGE, PCM186X_RESET); + if (ret) { + dev_err(dev, "failed to write device: %d\n", ret); + return ret; + } + + ret = regulator_bulk_disable(ARRAY_SIZE(priv->supplies), + priv->supplies); + if (ret) { + dev_err(dev, "failed disable supplies: %d\n", ret); + return ret; + } + + switch (type) { + case PCM1865: + case PCM1864: + ret = devm_snd_soc_register_component(dev, &soc_codec_dev_pcm1865, + &pcm1865_dai, 1); + break; + case PCM1863: + case PCM1862: + default: + ret = devm_snd_soc_register_component(dev, &soc_codec_dev_pcm1863, + &pcm1863_dai, 1); + } + if (ret) { + dev_err(dev, "failed to register CODEC: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(pcm186x_probe); + +MODULE_AUTHOR("Andreas Dannenberg "); +MODULE_AUTHOR("Andrew F. Davis "); +MODULE_DESCRIPTION("PCM186x Universal Audio ADC driver"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3