diff options
author | 2023-02-21 18:24:12 -0800 | |
---|---|---|
committer | 2023-02-21 18:24:12 -0800 | |
commit | 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch) | |
tree | cc5c2d0a898769fd59549594fedb3ee6f84e59a0 /sound/soc/codecs/cs53l30.c | |
download | linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip |
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 'sound/soc/codecs/cs53l30.c')
-rw-r--r-- | sound/soc/codecs/cs53l30.c | 1132 |
1 files changed, 1132 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c new file mode 100644 index 000000000..69db0013d --- /dev/null +++ b/sound/soc/codecs/cs53l30.c @@ -0,0 +1,1132 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * cs53l30.c -- CS53l30 ALSA Soc Audio driver + * + * Copyright 2015 Cirrus Logic, Inc. + * + * Authors: Paul Handrigan <Paul.Handrigan@cirrus.com>, + * Tim Howe <Tim.Howe@cirrus.com> + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/regulator/consumer.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#include "cs53l30.h" +#include "cirrus_legacy.h" + +#define CS53L30_NUM_SUPPLIES 2 +static const char *const cs53l30_supply_names[CS53L30_NUM_SUPPLIES] = { + "VA", + "VP", +}; + +struct cs53l30_private { + struct regulator_bulk_data supplies[CS53L30_NUM_SUPPLIES]; + struct regmap *regmap; + struct gpio_desc *reset_gpio; + struct gpio_desc *mute_gpio; + struct clk *mclk; + bool use_sdout2; + u32 mclk_rate; +}; + +static const struct reg_default cs53l30_reg_defaults[] = { + { CS53L30_PWRCTL, CS53L30_PWRCTL_DEFAULT }, + { CS53L30_MCLKCTL, CS53L30_MCLKCTL_DEFAULT }, + { CS53L30_INT_SR_CTL, CS53L30_INT_SR_CTL_DEFAULT }, + { CS53L30_MICBIAS_CTL, CS53L30_MICBIAS_CTL_DEFAULT }, + { CS53L30_ASPCFG_CTL, CS53L30_ASPCFG_CTL_DEFAULT }, + { CS53L30_ASP_CTL1, CS53L30_ASP_CTL1_DEFAULT }, + { CS53L30_ASP_TDMTX_CTL1, CS53L30_ASP_TDMTX_CTLx_DEFAULT }, + { CS53L30_ASP_TDMTX_CTL2, CS53L30_ASP_TDMTX_CTLx_DEFAULT }, + { CS53L30_ASP_TDMTX_CTL3, CS53L30_ASP_TDMTX_CTLx_DEFAULT }, + { CS53L30_ASP_TDMTX_CTL4, CS53L30_ASP_TDMTX_CTLx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN1, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN2, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN3, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN4, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN5, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_TDMTX_EN6, CS53L30_ASP_TDMTX_ENx_DEFAULT }, + { CS53L30_ASP_CTL2, CS53L30_ASP_CTL2_DEFAULT }, + { CS53L30_SFT_RAMP, CS53L30_SFT_RMP_DEFAULT }, + { CS53L30_LRCK_CTL1, CS53L30_LRCK_CTLx_DEFAULT }, + { CS53L30_LRCK_CTL2, CS53L30_LRCK_CTLx_DEFAULT }, + { CS53L30_MUTEP_CTL1, CS53L30_MUTEP_CTL1_DEFAULT }, + { CS53L30_MUTEP_CTL2, CS53L30_MUTEP_CTL2_DEFAULT }, + { CS53L30_INBIAS_CTL1, CS53L30_INBIAS_CTL1_DEFAULT }, + { CS53L30_INBIAS_CTL2, CS53L30_INBIAS_CTL2_DEFAULT }, + { CS53L30_DMIC1_STR_CTL, CS53L30_DMIC1_STR_CTL_DEFAULT }, + { CS53L30_DMIC2_STR_CTL, CS53L30_DMIC2_STR_CTL_DEFAULT }, + { CS53L30_ADCDMIC1_CTL1, CS53L30_ADCDMICx_CTL1_DEFAULT }, + { CS53L30_ADCDMIC1_CTL2, CS53L30_ADCDMIC1_CTL2_DEFAULT }, + { CS53L30_ADC1_CTL3, CS53L30_ADCx_CTL3_DEFAULT }, + { CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_CTL_DEFAULT }, + { CS53L30_ADC1A_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT }, + { CS53L30_ADC1B_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT }, + { CS53L30_ADC1A_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT }, + { CS53L30_ADC1B_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT }, + { CS53L30_ADCDMIC2_CTL1, CS53L30_ADCDMICx_CTL1_DEFAULT }, + { CS53L30_ADCDMIC2_CTL2, CS53L30_ADCDMIC1_CTL2_DEFAULT }, + { CS53L30_ADC2_CTL3, CS53L30_ADCx_CTL3_DEFAULT }, + { CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_CTL_DEFAULT }, + { CS53L30_ADC2A_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT }, + { CS53L30_ADC2B_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT }, + { CS53L30_ADC2A_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT }, + { CS53L30_ADC2B_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT }, + { CS53L30_INT_MASK, CS53L30_DEVICE_INT_MASK }, +}; + +static bool cs53l30_volatile_register(struct device *dev, unsigned int reg) +{ + if (reg == CS53L30_IS) + return true; + else + return false; +} + +static bool cs53l30_writeable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS53L30_DEVID_AB: + case CS53L30_DEVID_CD: + case CS53L30_DEVID_E: + case CS53L30_REVID: + case CS53L30_IS: + return false; + default: + return true; + } +} + +static bool cs53l30_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS53L30_DEVID_AB: + case CS53L30_DEVID_CD: + case CS53L30_DEVID_E: + case CS53L30_REVID: + case CS53L30_PWRCTL: + case CS53L30_MCLKCTL: + case CS53L30_INT_SR_CTL: + case CS53L30_MICBIAS_CTL: + case CS53L30_ASPCFG_CTL: + case CS53L30_ASP_CTL1: + case CS53L30_ASP_TDMTX_CTL1: + case CS53L30_ASP_TDMTX_CTL2: + case CS53L30_ASP_TDMTX_CTL3: + case CS53L30_ASP_TDMTX_CTL4: + case CS53L30_ASP_TDMTX_EN1: + case CS53L30_ASP_TDMTX_EN2: + case CS53L30_ASP_TDMTX_EN3: + case CS53L30_ASP_TDMTX_EN4: + case CS53L30_ASP_TDMTX_EN5: + case CS53L30_ASP_TDMTX_EN6: + case CS53L30_ASP_CTL2: + case CS53L30_SFT_RAMP: + case CS53L30_LRCK_CTL1: + case CS53L30_LRCK_CTL2: + case CS53L30_MUTEP_CTL1: + case CS53L30_MUTEP_CTL2: + case CS53L30_INBIAS_CTL1: + case CS53L30_INBIAS_CTL2: + case CS53L30_DMIC1_STR_CTL: + case CS53L30_DMIC2_STR_CTL: + case CS53L30_ADCDMIC1_CTL1: + case CS53L30_ADCDMIC1_CTL2: + case CS53L30_ADC1_CTL3: + case CS53L30_ADC1_NG_CTL: + case CS53L30_ADC1A_AFE_CTL: + case CS53L30_ADC1B_AFE_CTL: + case CS53L30_ADC1A_DIG_VOL: + case CS53L30_ADC1B_DIG_VOL: + case CS53L30_ADCDMIC2_CTL1: + case CS53L30_ADCDMIC2_CTL2: + case CS53L30_ADC2_CTL3: + case CS53L30_ADC2_NG_CTL: + case CS53L30_ADC2A_AFE_CTL: + case CS53L30_ADC2B_AFE_CTL: + case CS53L30_ADC2A_DIG_VOL: + case CS53L30_ADC2B_DIG_VOL: + case CS53L30_INT_MASK: + return true; + default: + return false; + } +} + +static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2000, 0); +static DECLARE_TLV_DB_SCALE(adc_ng_boost_tlv, 0, 3000, 0); +static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0); +static DECLARE_TLV_DB_SCALE(dig_tlv, -9600, 100, 1); +static DECLARE_TLV_DB_SCALE(pga_preamp_tlv, 0, 10000, 0); + +static const char * const input1_sel_text[] = { + "DMIC1 On AB In", + "DMIC1 On A In", + "DMIC1 On B In", + "ADC1 On AB In", + "ADC1 On A In", + "ADC1 On B In", + "DMIC1 Off ADC1 Off", +}; + +static unsigned int const input1_sel_values[] = { + CS53L30_CH_TYPE, + CS53L30_ADCxB_PDN | CS53L30_CH_TYPE, + CS53L30_ADCxA_PDN | CS53L30_CH_TYPE, + CS53L30_DMICx_PDN, + CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN, + CS53L30_ADCxA_PDN | CS53L30_DMICx_PDN, + CS53L30_ADCxA_PDN | CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN, +}; + +static const char * const input2_sel_text[] = { + "DMIC2 On AB In", + "DMIC2 On A In", + "DMIC2 On B In", + "ADC2 On AB In", + "ADC2 On A In", + "ADC2 On B In", + "DMIC2 Off ADC2 Off", +}; + +static unsigned int const input2_sel_values[] = { + 0x0, + CS53L30_ADCxB_PDN, + CS53L30_ADCxA_PDN, + CS53L30_DMICx_PDN, + CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN, + CS53L30_ADCxA_PDN | CS53L30_DMICx_PDN, + CS53L30_ADCxA_PDN | CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN, +}; + +static const char * const input1_route_sel_text[] = { + "ADC1_SEL", "DMIC1_SEL", +}; + +static const struct soc_enum input1_route_sel_enum = + SOC_ENUM_SINGLE(CS53L30_ADCDMIC1_CTL1, CS53L30_CH_TYPE_SHIFT, + ARRAY_SIZE(input1_route_sel_text), + input1_route_sel_text); + +static SOC_VALUE_ENUM_SINGLE_DECL(input1_sel_enum, CS53L30_ADCDMIC1_CTL1, 0, + CS53L30_ADCDMICx_PDN_MASK, input1_sel_text, + input1_sel_values); + +static const struct snd_kcontrol_new input1_route_sel_mux = + SOC_DAPM_ENUM("Input 1 Route", input1_route_sel_enum); + +static const char * const input2_route_sel_text[] = { + "ADC2_SEL", "DMIC2_SEL", +}; + +/* Note: CS53L30_ADCDMIC1_CTL1 CH_TYPE controls inputs 1 and 2 */ +static const struct soc_enum input2_route_sel_enum = + SOC_ENUM_SINGLE(CS53L30_ADCDMIC1_CTL1, 0, + ARRAY_SIZE(input2_route_sel_text), + input2_route_sel_text); + +static SOC_VALUE_ENUM_SINGLE_DECL(input2_sel_enum, CS53L30_ADCDMIC2_CTL1, 0, + CS53L30_ADCDMICx_PDN_MASK, input2_sel_text, + input2_sel_values); + +static const struct snd_kcontrol_new input2_route_sel_mux = + SOC_DAPM_ENUM("Input 2 Route", input2_route_sel_enum); + +/* + * TB = 6144*(MCLK(int) scaling factor)/MCLK(internal) + * TB - Time base + * NOTE: If MCLK_INT_SCALE = 0, then TB=1 + */ +static const char * const cs53l30_ng_delay_text[] = { + "TB*50ms", "TB*100ms", "TB*150ms", "TB*200ms", +}; + +static const struct soc_enum adc1_ng_delay_enum = + SOC_ENUM_SINGLE(CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_DELAY_SHIFT, + ARRAY_SIZE(cs53l30_ng_delay_text), + cs53l30_ng_delay_text); + +static const struct soc_enum adc2_ng_delay_enum = + SOC_ENUM_SINGLE(CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_DELAY_SHIFT, + ARRAY_SIZE(cs53l30_ng_delay_text), + cs53l30_ng_delay_text); + +/* The noise gate threshold selected will depend on NG Boost */ +static const char * const cs53l30_ng_thres_text[] = { + "-64dB/-34dB", "-66dB/-36dB", "-70dB/-40dB", "-73dB/-43dB", + "-76dB/-46dB", "-82dB/-52dB", "-58dB", "-64dB", +}; + +static const struct soc_enum adc1_ng_thres_enum = + SOC_ENUM_SINGLE(CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_THRESH_SHIFT, + ARRAY_SIZE(cs53l30_ng_thres_text), + cs53l30_ng_thres_text); + +static const struct soc_enum adc2_ng_thres_enum = + SOC_ENUM_SINGLE(CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_THRESH_SHIFT, + ARRAY_SIZE(cs53l30_ng_thres_text), + cs53l30_ng_thres_text); + +/* Corner frequencies are with an Fs of 48kHz. */ +static const char * const hpf_corner_freq_text[] = { + "1.86Hz", "120Hz", "235Hz", "466Hz", +}; + +static const struct soc_enum adc1_hpf_enum = + SOC_ENUM_SINGLE(CS53L30_ADC1_CTL3, CS53L30_ADCx_HPF_CF_SHIFT, + ARRAY_SIZE(hpf_corner_freq_text), hpf_corner_freq_text); + +static const struct soc_enum adc2_hpf_enum = + SOC_ENUM_SINGLE(CS53L30_ADC2_CTL3, CS53L30_ADCx_HPF_CF_SHIFT, + ARRAY_SIZE(hpf_corner_freq_text), hpf_corner_freq_text); + +static const struct snd_kcontrol_new cs53l30_snd_controls[] = { + SOC_SINGLE("Digital Soft-Ramp Switch", CS53L30_SFT_RAMP, + CS53L30_DIGSFT_SHIFT, 1, 0), + SOC_SINGLE("ADC1 Noise Gate Ganging Switch", CS53L30_ADC1_CTL3, + CS53L30_ADCx_NG_ALL_SHIFT, 1, 0), + SOC_SINGLE("ADC2 Noise Gate Ganging Switch", CS53L30_ADC2_CTL3, + CS53L30_ADCx_NG_ALL_SHIFT, 1, 0), + SOC_SINGLE("ADC1A Noise Gate Enable Switch", CS53L30_ADC1_NG_CTL, + CS53L30_ADCxA_NG_SHIFT, 1, 0), + SOC_SINGLE("ADC1B Noise Gate Enable Switch", CS53L30_ADC1_NG_CTL, + CS53L30_ADCxB_NG_SHIFT, 1, 0), + SOC_SINGLE("ADC2A Noise Gate Enable Switch", CS53L30_ADC2_NG_CTL, + CS53L30_ADCxA_NG_SHIFT, 1, 0), + SOC_SINGLE("ADC2B Noise Gate Enable Switch", CS53L30_ADC2_NG_CTL, + CS53L30_ADCxB_NG_SHIFT, 1, 0), + SOC_SINGLE("ADC1 Notch Filter Switch", CS53L30_ADCDMIC1_CTL2, + CS53L30_ADCx_NOTCH_DIS_SHIFT, 1, 1), + SOC_SINGLE("ADC2 Notch Filter Switch", CS53L30_ADCDMIC2_CTL2, + CS53L30_ADCx_NOTCH_DIS_SHIFT, 1, 1), + SOC_SINGLE("ADC1A Invert Switch", CS53L30_ADCDMIC1_CTL2, + CS53L30_ADCxA_INV_SHIFT, 1, 0), + SOC_SINGLE("ADC1B Invert Switch", CS53L30_ADCDMIC1_CTL2, + CS53L30_ADCxB_INV_SHIFT, 1, 0), + SOC_SINGLE("ADC2A Invert Switch", CS53L30_ADCDMIC2_CTL2, + CS53L30_ADCxA_INV_SHIFT, 1, 0), + SOC_SINGLE("ADC2B Invert Switch", CS53L30_ADCDMIC2_CTL2, + CS53L30_ADCxB_INV_SHIFT, 1, 0), + + SOC_SINGLE_TLV("ADC1A Digital Boost Volume", CS53L30_ADCDMIC1_CTL2, + CS53L30_ADCxA_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv), + SOC_SINGLE_TLV("ADC1B Digital Boost Volume", CS53L30_ADCDMIC1_CTL2, + CS53L30_ADCxB_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv), + SOC_SINGLE_TLV("ADC2A Digital Boost Volume", CS53L30_ADCDMIC2_CTL2, + CS53L30_ADCxA_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv), + SOC_SINGLE_TLV("ADC2B Digital Boost Volume", CS53L30_ADCDMIC2_CTL2, + CS53L30_ADCxB_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv), + SOC_SINGLE_TLV("ADC1 NG Boost Volume", CS53L30_ADC1_NG_CTL, + CS53L30_ADCx_NG_BOOST_SHIFT, 1, 0, adc_ng_boost_tlv), + SOC_SINGLE_TLV("ADC2 NG Boost Volume", CS53L30_ADC2_NG_CTL, + CS53L30_ADCx_NG_BOOST_SHIFT, 1, 0, adc_ng_boost_tlv), + + SOC_DOUBLE_R_TLV("ADC1 Preamplifier Volume", CS53L30_ADC1A_AFE_CTL, + CS53L30_ADC1B_AFE_CTL, CS53L30_ADCxy_PREAMP_SHIFT, + 2, 0, pga_preamp_tlv), + SOC_DOUBLE_R_TLV("ADC2 Preamplifier Volume", CS53L30_ADC2A_AFE_CTL, + CS53L30_ADC2B_AFE_CTL, CS53L30_ADCxy_PREAMP_SHIFT, + 2, 0, pga_preamp_tlv), + + SOC_ENUM("Input 1 Channel Select", input1_sel_enum), + SOC_ENUM("Input 2 Channel Select", input2_sel_enum), + + SOC_ENUM("ADC1 HPF Select", adc1_hpf_enum), + SOC_ENUM("ADC2 HPF Select", adc2_hpf_enum), + SOC_ENUM("ADC1 NG Threshold", adc1_ng_thres_enum), + SOC_ENUM("ADC2 NG Threshold", adc2_ng_thres_enum), + SOC_ENUM("ADC1 NG Delay", adc1_ng_delay_enum), + SOC_ENUM("ADC2 NG Delay", adc2_ng_delay_enum), + + SOC_SINGLE_SX_TLV("ADC1A PGA Volume", + CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x24, pga_tlv), + SOC_SINGLE_SX_TLV("ADC1B PGA Volume", + CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x24, pga_tlv), + SOC_SINGLE_SX_TLV("ADC2A PGA Volume", + CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x24, pga_tlv), + SOC_SINGLE_SX_TLV("ADC2B PGA Volume", + CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x24, pga_tlv), + + SOC_SINGLE_SX_TLV("ADC1A Digital Volume", + CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), + SOC_SINGLE_SX_TLV("ADC1B Digital Volume", + CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), + SOC_SINGLE_SX_TLV("ADC2A Digital Volume", + CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), + SOC_SINGLE_SX_TLV("ADC2B Digital Volume", + CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x6C, dig_tlv), +}; + +static const struct snd_soc_dapm_widget cs53l30_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("IN1_DMIC1"), + SND_SOC_DAPM_INPUT("IN2"), + SND_SOC_DAPM_INPUT("IN3_DMIC2"), + SND_SOC_DAPM_INPUT("IN4"), + SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS53L30_MICBIAS_CTL, + CS53L30_MIC1_BIAS_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS53L30_MICBIAS_CTL, + CS53L30_MIC2_BIAS_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("MIC3 Bias", CS53L30_MICBIAS_CTL, + CS53L30_MIC3_BIAS_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("MIC4 Bias", CS53L30_MICBIAS_CTL, + CS53L30_MIC4_BIAS_PDN_SHIFT, 1, NULL, 0), + + SND_SOC_DAPM_AIF_OUT("ASP_SDOUT1", NULL, 0, CS53L30_ASP_CTL1, + CS53L30_ASP_SDOUTx_PDN_SHIFT, 1), + SND_SOC_DAPM_AIF_OUT("ASP_SDOUT2", NULL, 0, CS53L30_ASP_CTL2, + CS53L30_ASP_SDOUTx_PDN_SHIFT, 1), + + SND_SOC_DAPM_MUX("Input Mux 1", SND_SOC_NOPM, 0, 0, + &input1_route_sel_mux), + SND_SOC_DAPM_MUX("Input Mux 2", SND_SOC_NOPM, 0, 0, + &input2_route_sel_mux), + + SND_SOC_DAPM_ADC("ADC1A", NULL, CS53L30_ADCDMIC1_CTL1, + CS53L30_ADCxA_PDN_SHIFT, 1), + SND_SOC_DAPM_ADC("ADC1B", NULL, CS53L30_ADCDMIC1_CTL1, + CS53L30_ADCxB_PDN_SHIFT, 1), + SND_SOC_DAPM_ADC("ADC2A", NULL, CS53L30_ADCDMIC2_CTL1, + CS53L30_ADCxA_PDN_SHIFT, 1), + SND_SOC_DAPM_ADC("ADC2B", NULL, CS53L30_ADCDMIC2_CTL1, + CS53L30_ADCxB_PDN_SHIFT, 1), + SND_SOC_DAPM_ADC("DMIC1", NULL, CS53L30_ADCDMIC1_CTL1, + CS53L30_DMICx_PDN_SHIFT, 1), + SND_SOC_DAPM_ADC("DMIC2", NULL, CS53L30_ADCDMIC2_CTL1, + CS53L30_DMICx_PDN_SHIFT, 1), +}; + +static const struct snd_soc_dapm_route cs53l30_dapm_routes[] = { + /* ADC Input Paths */ + {"ADC1A", NULL, "IN1_DMIC1"}, + {"Input Mux 1", "ADC1_SEL", "ADC1A"}, + {"ADC1B", NULL, "IN2"}, + + {"ADC2A", NULL, "IN3_DMIC2"}, + {"Input Mux 2", "ADC2_SEL", "ADC2A"}, + {"ADC2B", NULL, "IN4"}, + + /* MIC Bias Paths */ + {"ADC1A", NULL, "MIC1 Bias"}, + {"ADC1B", NULL, "MIC2 Bias"}, + {"ADC2A", NULL, "MIC3 Bias"}, + {"ADC2B", NULL, "MIC4 Bias"}, + + /* DMIC Paths */ + {"DMIC1", NULL, "IN1_DMIC1"}, + {"Input Mux 1", "DMIC1_SEL", "DMIC1"}, + + {"DMIC2", NULL, "IN3_DMIC2"}, + {"Input Mux 2", "DMIC2_SEL", "DMIC2"}, +}; + +static const struct snd_soc_dapm_route cs53l30_dapm_routes_sdout1[] = { + /* Output Paths when using SDOUT1 only */ + {"ASP_SDOUT1", NULL, "ADC1A" }, + {"ASP_SDOUT1", NULL, "Input Mux 1"}, + {"ASP_SDOUT1", NULL, "ADC1B"}, + + {"ASP_SDOUT1", NULL, "ADC2A"}, + {"ASP_SDOUT1", NULL, "Input Mux 2"}, + {"ASP_SDOUT1", NULL, "ADC2B"}, + + {"Capture", NULL, "ASP_SDOUT1"}, +}; + +static const struct snd_soc_dapm_route cs53l30_dapm_routes_sdout2[] = { + /* Output Paths when using both SDOUT1 and SDOUT2 */ + {"ASP_SDOUT1", NULL, "ADC1A" }, + {"ASP_SDOUT1", NULL, "Input Mux 1"}, + {"ASP_SDOUT1", NULL, "ADC1B"}, + + {"ASP_SDOUT2", NULL, "ADC2A"}, + {"ASP_SDOUT2", NULL, "Input Mux 2"}, + {"ASP_SDOUT2", NULL, "ADC2B"}, + + {"Capture", NULL, "ASP_SDOUT1"}, + {"Capture", NULL, "ASP_SDOUT2"}, +}; + +struct cs53l30_mclk_div { + u32 mclk_rate; + u32 srate; + u8 asp_rate; + u8 internal_fs_ratio; + u8 mclk_int_scale; +}; + +static const struct cs53l30_mclk_div cs53l30_mclk_coeffs[] = { + /* NOTE: Enable MCLK_INT_SCALE to save power. */ + + /* MCLK, Sample Rate, asp_rate, internal_fs_ratio, mclk_int_scale */ + {5644800, 11025, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {5644800, 22050, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {5644800, 44100, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + + {6000000, 8000, 0x1, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 11025, 0x2, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 12000, 0x4, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 16000, 0x5, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 22050, 0x6, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 24000, 0x8, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 32000, 0x9, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 44100, 0xA, 0, CS53L30_MCLK_INT_SCALE}, + {6000000, 48000, 0xC, 0, CS53L30_MCLK_INT_SCALE}, + + {6144000, 8000, 0x1, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 11025, 0x2, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 12000, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 16000, 0x5, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 22050, 0x6, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 24000, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 32000, 0x9, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 44100, 0xA, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6144000, 48000, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + + {6400000, 8000, 0x1, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 11025, 0x2, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 12000, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 16000, 0x5, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 22050, 0x6, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 24000, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 32000, 0x9, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 44100, 0xA, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, + {6400000, 48000, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE}, +}; + +struct cs53l30_mclkx_div { + u32 mclkx; + u8 ratio; + u8 mclkdiv; +}; + +static const struct cs53l30_mclkx_div cs53l30_mclkx_coeffs[] = { + {5644800, 1, CS53L30_MCLK_DIV_BY_1}, + {6000000, 1, CS53L30_MCLK_DIV_BY_1}, + {6144000, 1, CS53L30_MCLK_DIV_BY_1}, + {11289600, 2, CS53L30_MCLK_DIV_BY_2}, + {12288000, 2, CS53L30_MCLK_DIV_BY_2}, + {12000000, 2, CS53L30_MCLK_DIV_BY_2}, + {19200000, 3, CS53L30_MCLK_DIV_BY_3}, +}; + +static int cs53l30_get_mclkx_coeff(int mclkx) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs53l30_mclkx_coeffs); i++) { + if (cs53l30_mclkx_coeffs[i].mclkx == mclkx) + return i; + } + + return -EINVAL; +} + +static int cs53l30_get_mclk_coeff(int mclk_rate, int srate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cs53l30_mclk_coeffs); i++) { + if (cs53l30_mclk_coeffs[i].mclk_rate == mclk_rate && + cs53l30_mclk_coeffs[i].srate == srate) + return i; + } + + return -EINVAL; +} + +static int cs53l30_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + int mclkx_coeff; + u32 mclk_rate; + + /* MCLKX -> MCLK */ + mclkx_coeff = cs53l30_get_mclkx_coeff(freq); + if (mclkx_coeff < 0) + return mclkx_coeff; + + mclk_rate = cs53l30_mclkx_coeffs[mclkx_coeff].mclkx / + cs53l30_mclkx_coeffs[mclkx_coeff].ratio; + + regmap_update_bits(priv->regmap, CS53L30_MCLKCTL, + CS53L30_MCLK_DIV_MASK, + cs53l30_mclkx_coeffs[mclkx_coeff].mclkdiv); + + priv->mclk_rate = mclk_rate; + + return 0; +} + +static int cs53l30_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + u8 aspcfg = 0, aspctl1 = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + aspcfg |= CS53L30_ASP_MS; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + /* DAI mode */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + /* Set TDM_PDN to turn off TDM mode -- Reset default */ + aspctl1 |= CS53L30_ASP_TDM_PDN; + break; + case SND_SOC_DAIFMT_DSP_A: + /* + * Clear TDM_PDN to turn on TDM mode; Use ASP_SCLK_INV = 0 + * with SHIFT_LEFT = 1 combination as Figure 4-13 shows in + * the CS53L30 datasheet + */ + aspctl1 |= CS53L30_SHIFT_LEFT; + break; + default: + return -EINVAL; + } + + /* Check to see if the SCLK is inverted */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_NF: + case SND_SOC_DAIFMT_IB_IF: + aspcfg ^= CS53L30_ASP_SCLK_INV; + break; + default: + break; + } + + regmap_update_bits(priv->regmap, CS53L30_ASPCFG_CTL, + CS53L30_ASP_MS | CS53L30_ASP_SCLK_INV, aspcfg); + + regmap_update_bits(priv->regmap, CS53L30_ASP_CTL1, + CS53L30_ASP_TDM_PDN | CS53L30_SHIFT_LEFT, aspctl1); + + return 0; +} + +static int cs53l30_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + int srate = params_rate(params); + int mclk_coeff; + + /* MCLK -> srate */ + mclk_coeff = cs53l30_get_mclk_coeff(priv->mclk_rate, srate); + if (mclk_coeff < 0) + return -EINVAL; + + regmap_update_bits(priv->regmap, CS53L30_INT_SR_CTL, + CS53L30_INTRNL_FS_RATIO_MASK, + cs53l30_mclk_coeffs[mclk_coeff].internal_fs_ratio); + + regmap_update_bits(priv->regmap, CS53L30_MCLKCTL, + CS53L30_MCLK_INT_SCALE_MASK, + cs53l30_mclk_coeffs[mclk_coeff].mclk_int_scale); + + regmap_update_bits(priv->regmap, CS53L30_ASPCFG_CTL, + CS53L30_ASP_RATE_MASK, + cs53l30_mclk_coeffs[mclk_coeff].asp_rate); + + return 0; +} + +static int cs53l30_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + struct cs53l30_private *priv = snd_soc_component_get_drvdata(component); + unsigned int reg; + int i, inter_max_check, ret; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + if (dapm->bias_level == SND_SOC_BIAS_STANDBY) + regmap_update_bits(priv->regmap, CS53L30_PWRCTL, + CS53L30_PDN_LP_MASK, 0); + break; + case SND_SOC_BIAS_STANDBY: + if (dapm->bias_level == SND_SOC_BIAS_OFF) { + ret = clk_prepare_enable(priv->mclk); + if (ret) { + dev_err(component->dev, + "failed to enable MCLK: %d\n", ret); + return ret; + } + regmap_update_bits(priv->regmap, CS53L30_MCLKCTL, + CS53L30_MCLK_DIS_MASK, 0); + regmap_update_bits(priv->regmap, CS53L30_PWRCTL, + CS53L30_PDN_ULP_MASK, 0); + msleep(50); + } else { + regmap_update_bits(priv->regmap, CS53L30_PWRCTL, + CS53L30_PDN_ULP_MASK, + CS53L30_PDN_ULP); + } + break; + case SND_SOC_BIAS_OFF: + regmap_update_bits(priv->regmap, CS53L30_INT_MASK, + CS53L30_PDN_DONE, 0); + /* + * If digital softramp is set, the amount of time required + * for power down increases and depends on the digital + * volume setting. + */ + + /* Set the max possible time if digsft is set */ + regmap_read(priv->regmap, CS53L30_SFT_RAMP, ®); + if (reg & CS53L30_DIGSFT_MASK) + inter_max_check = CS53L30_PDN_POLL_MAX; + else + inter_max_check = 10; + + regmap_update_bits(priv->regmap, CS53L30_PWRCTL, + CS53L30_PDN_ULP_MASK, + CS53L30_PDN_ULP); + /* PDN_DONE will take a min of 20ms to be set.*/ + msleep(20); + /* Clr status */ + regmap_read(priv->regmap, CS53L30_IS, ®); + for (i = 0; i < inter_max_check; i++) { + if (inter_max_check < 10) { + usleep_range(1000, 1100); + regmap_read(priv->regmap, CS53L30_IS, ®); + if (reg & CS53L30_PDN_DONE) + break; + } else { + usleep_range(10000, 10100); + regmap_read(priv->regmap, CS53L30_IS, ®); + if (reg & CS53L30_PDN_DONE) + break; + } + } + /* PDN_DONE is set. We now can disable the MCLK */ + regmap_update_bits(priv->regmap, CS53L30_INT_MASK, + CS53L30_PDN_DONE, CS53L30_PDN_DONE); + regmap_update_bits(priv->regmap, CS53L30_MCLKCTL, + CS53L30_MCLK_DIS_MASK, + CS53L30_MCLK_DIS); + clk_disable_unprepare(priv->mclk); + break; + } + + return 0; +} + +static int cs53l30_set_tristate(struct snd_soc_dai *dai, int tristate) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + u8 val = tristate ? CS53L30_ASP_3ST : 0; + + return regmap_update_bits(priv->regmap, CS53L30_ASP_CTL1, + CS53L30_ASP_3ST_MASK, val); +} + +static unsigned int const cs53l30_src_rates[] = { + 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 +}; + +static const struct snd_pcm_hw_constraint_list src_constraints = { + .count = ARRAY_SIZE(cs53l30_src_rates), + .list = cs53l30_src_rates, +}; + +static int cs53l30_pcm_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &src_constraints); + + return 0; +} + +/* + * Note: CS53L30 counts the slot number per byte while ASoC counts the slot + * number per slot_width. So there is a difference between the slots of ASoC + * and the slots of CS53L30. + */ +static int cs53l30_set_dai_tdm_slot(struct snd_soc_dai *dai, + unsigned int tx_mask, unsigned int rx_mask, + int slots, int slot_width) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + unsigned int loc[CS53L30_TDM_SLOT_MAX] = {48, 48, 48, 48}; + unsigned int slot_next, slot_step; + u64 tx_enable = 0; + int i; + + if (!rx_mask) { + dev_err(dai->dev, "rx masks must not be 0\n"); + return -EINVAL; + } + + /* Assuming slot_width is not supposed to be greater than 64 */ + if (slots <= 0 || slot_width <= 0 || slot_width > 64) { + dev_err(dai->dev, "invalid slot number or slot width\n"); + return -EINVAL; + } + + if (slot_width & 0x7) { + dev_err(dai->dev, "slot width must count in byte\n"); + return -EINVAL; + } + + /* How many bytes in each ASoC slot */ + slot_step = slot_width >> 3; + + for (i = 0; rx_mask && i < CS53L30_TDM_SLOT_MAX; i++) { + /* Find the first slot from LSB */ + slot_next = __ffs(rx_mask); + /* Save the slot location by converting to CS53L30 slot */ + loc[i] = slot_next * slot_step; + /* Create the mask of CS53L30 slot */ + tx_enable |= (u64)((u64)(1 << slot_step) - 1) << (u64)loc[i]; + /* Clear this slot from rx_mask */ + rx_mask &= ~(1 << slot_next); + } + + /* Error out to avoid slot shift */ + if (rx_mask && i == CS53L30_TDM_SLOT_MAX) { + dev_err(dai->dev, "rx_mask exceeds max slot number: %d\n", + CS53L30_TDM_SLOT_MAX); + return -EINVAL; + } + + /* Validate the last active CS53L30 slot */ + slot_next = loc[i - 1] + slot_step - 1; + if (slot_next > 47) { + dev_err(dai->dev, "slot selection out of bounds: %u\n", + slot_next); + return -EINVAL; + } + + for (i = 0; i < CS53L30_TDM_SLOT_MAX && loc[i] != 48; i++) { + regmap_update_bits(priv->regmap, CS53L30_ASP_TDMTX_CTL(i), + CS53L30_ASP_CHx_TX_LOC_MASK, loc[i]); + dev_dbg(dai->dev, "loc[%d]=%x\n", i, loc[i]); + } + + for (i = 0; i < CS53L30_ASP_TDMTX_ENx_MAX && tx_enable; i++) { + regmap_write(priv->regmap, CS53L30_ASP_TDMTX_ENx(i), + tx_enable & 0xff); + tx_enable >>= 8; + dev_dbg(dai->dev, "en_reg=%x, tx_enable=%llx\n", + CS53L30_ASP_TDMTX_ENx(i), tx_enable & 0xff); + } + + return 0; +} + +static int cs53l30_mute_stream(struct snd_soc_dai *dai, int mute, int stream) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component); + + gpiod_set_value_cansleep(priv->mute_gpio, mute); + + return 0; +} + +/* SNDRV_PCM_RATE_KNOT -> 12000, 24000 Hz, limit with constraint list */ +#define CS53L30_RATES (SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT) + +#define CS53L30_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops cs53l30_ops = { + .startup = cs53l30_pcm_startup, + .hw_params = cs53l30_pcm_hw_params, + .set_fmt = cs53l30_set_dai_fmt, + .set_sysclk = cs53l30_set_sysclk, + .set_tristate = cs53l30_set_tristate, + .set_tdm_slot = cs53l30_set_dai_tdm_slot, + .mute_stream = cs53l30_mute_stream, +}; + +static struct snd_soc_dai_driver cs53l30_dai = { + .name = "cs53l30", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 4, + .rates = CS53L30_RATES, + .formats = CS53L30_FORMATS, + }, + .ops = &cs53l30_ops, + .symmetric_rate = 1, +}; + +static int cs53l30_component_probe(struct snd_soc_component *component) +{ + struct cs53l30_private *priv = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + if (priv->use_sdout2) + snd_soc_dapm_add_routes(dapm, cs53l30_dapm_routes_sdout2, + ARRAY_SIZE(cs53l30_dapm_routes_sdout2)); + else + snd_soc_dapm_add_routes(dapm, cs53l30_dapm_routes_sdout1, + ARRAY_SIZE(cs53l30_dapm_routes_sdout1)); + + return 0; +} + +static const struct snd_soc_component_driver cs53l30_driver = { + .probe = cs53l30_component_probe, + .set_bias_level = cs53l30_set_bias_level, + .controls = cs53l30_snd_controls, + .num_controls = ARRAY_SIZE(cs53l30_snd_controls), + .dapm_widgets = cs53l30_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs53l30_dapm_widgets), + .dapm_routes = cs53l30_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(cs53l30_dapm_routes), + .use_pmdown_time = 1, + .endianness = 1, +}; + +static struct regmap_config cs53l30_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = CS53L30_MAX_REGISTER, + .reg_defaults = cs53l30_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cs53l30_reg_defaults), + .volatile_reg = cs53l30_volatile_register, + .writeable_reg = cs53l30_writeable_register, + .readable_reg = cs53l30_readable_register, + .cache_type = REGCACHE_RBTREE, + + .use_single_read = true, + .use_single_write = true, +}; + +static int cs53l30_i2c_probe(struct i2c_client *client) +{ + const struct device_node *np = client->dev.of_node; + struct device *dev = &client->dev; + struct cs53l30_private *cs53l30; + unsigned int reg; + int ret = 0, i, devid; + u8 val; + + cs53l30 = devm_kzalloc(dev, sizeof(*cs53l30), GFP_KERNEL); + if (!cs53l30) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(cs53l30->supplies); i++) + cs53l30->supplies[i].supply = cs53l30_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); + if (ret) { + dev_err(dev, "failed to get supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); + if (ret) { + dev_err(dev, "failed to enable supplies: %d\n", ret); + return ret; + } + + /* Reset the Device */ + cs53l30->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(cs53l30->reset_gpio)) { + ret = PTR_ERR(cs53l30->reset_gpio); + goto error_supplies; + } + + gpiod_set_value_cansleep(cs53l30->reset_gpio, 1); + + i2c_set_clientdata(client, cs53l30); + + cs53l30->mclk_rate = 0; + + cs53l30->regmap = devm_regmap_init_i2c(client, &cs53l30_regmap); + if (IS_ERR(cs53l30->regmap)) { + ret = PTR_ERR(cs53l30->regmap); + dev_err(dev, "regmap_init() failed: %d\n", ret); + goto error; + } + + /* Initialize codec */ + devid = cirrus_read_device_id(cs53l30->regmap, CS53L30_DEVID_AB); + if (devid < 0) { + ret = devid; + dev_err(dev, "Failed to read device ID: %d\n", ret); + goto error; + } + + if (devid != CS53L30_DEVID) { + ret = -ENODEV; + dev_err(dev, "Device ID (%X). Expected %X\n", + devid, CS53L30_DEVID); + goto error; + } + + ret = regmap_read(cs53l30->regmap, CS53L30_REVID, ®); + if (ret < 0) { + dev_err(dev, "failed to get Revision ID: %d\n", ret); + goto error; + } + + /* Check if MCLK provided */ + cs53l30->mclk = devm_clk_get(dev, "mclk"); + if (IS_ERR(cs53l30->mclk)) { + if (PTR_ERR(cs53l30->mclk) != -ENOENT) { + ret = PTR_ERR(cs53l30->mclk); + goto error; + } + /* Otherwise mark the mclk pointer to NULL */ + cs53l30->mclk = NULL; + } + + /* Fetch the MUTE control */ + cs53l30->mute_gpio = devm_gpiod_get_optional(dev, "mute", + GPIOD_OUT_HIGH); + if (IS_ERR(cs53l30->mute_gpio)) { + ret = PTR_ERR(cs53l30->mute_gpio); + goto error; + } + + if (cs53l30->mute_gpio) { + /* Enable MUTE controls via MUTE pin */ + regmap_write(cs53l30->regmap, CS53L30_MUTEP_CTL1, + CS53L30_MUTEP_CTL1_MUTEALL); + /* Flip the polarity of MUTE pin */ + if (gpiod_is_active_low(cs53l30->mute_gpio)) + regmap_update_bits(cs53l30->regmap, CS53L30_MUTEP_CTL2, + CS53L30_MUTE_PIN_POLARITY, 0); + } + + if (!of_property_read_u8(np, "cirrus,micbias-lvl", &val)) + regmap_update_bits(cs53l30->regmap, CS53L30_MICBIAS_CTL, + CS53L30_MIC_BIAS_CTRL_MASK, val); + + if (of_property_read_bool(np, "cirrus,use-sdout2")) + cs53l30->use_sdout2 = true; + + dev_info(dev, "Cirrus Logic CS53L30, Revision: %02X\n", reg & 0xFF); + + ret = devm_snd_soc_register_component(dev, &cs53l30_driver, &cs53l30_dai, 1); + if (ret) { + dev_err(dev, "failed to register component: %d\n", ret); + goto error; + } + + return 0; + +error: + gpiod_set_value_cansleep(cs53l30->reset_gpio, 0); +error_supplies: + regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); + return ret; +} + +static void cs53l30_i2c_remove(struct i2c_client *client) +{ + struct cs53l30_private *cs53l30 = i2c_get_clientdata(client); + + /* Hold down reset */ + gpiod_set_value_cansleep(cs53l30->reset_gpio, 0); + + regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); +} + +#ifdef CONFIG_PM +static int cs53l30_runtime_suspend(struct device *dev) +{ + struct cs53l30_private *cs53l30 = dev_get_drvdata(dev); + + regcache_cache_only(cs53l30->regmap, true); + + /* Hold down reset */ + gpiod_set_value_cansleep(cs53l30->reset_gpio, 0); + + regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); + + return 0; +} + +static int cs53l30_runtime_resume(struct device *dev) +{ + struct cs53l30_private *cs53l30 = dev_get_drvdata(dev); + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(cs53l30->supplies), + cs53l30->supplies); + if (ret) { + dev_err(dev, "failed to enable supplies: %d\n", ret); + return ret; + } + + gpiod_set_value_cansleep(cs53l30->reset_gpio, 1); + + regcache_cache_only(cs53l30->regmap, false); + ret = regcache_sync(cs53l30->regmap); + if (ret) { + dev_err(dev, "failed to synchronize regcache: %d\n", ret); + return ret; + } + + return 0; +} +#endif + +static const struct dev_pm_ops cs53l30_runtime_pm = { + SET_RUNTIME_PM_OPS(cs53l30_runtime_suspend, cs53l30_runtime_resume, + NULL) +}; + +static const struct of_device_id cs53l30_of_match[] = { + { .compatible = "cirrus,cs53l30", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, cs53l30_of_match); + +static const struct i2c_device_id cs53l30_id[] = { + { "cs53l30", 0 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, cs53l30_id); + +static struct i2c_driver cs53l30_i2c_driver = { + .driver = { + .name = "cs53l30", + .of_match_table = cs53l30_of_match, + .pm = &cs53l30_runtime_pm, + }, + .id_table = cs53l30_id, + .probe_new = cs53l30_i2c_probe, + .remove = cs53l30_i2c_remove, +}; + +module_i2c_driver(cs53l30_i2c_driver); + +MODULE_DESCRIPTION("ASoC CS53L30 driver"); +MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <Paul.Handrigan@cirrus.com>"); +MODULE_LICENSE("GPL"); |