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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-30 09:22:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-30 09:22:00 -0700 |
| commit | 034dd340b08be1f2f0477ad16131d609f9dbd53c (patch) | |
| tree | 2536f4b2d7893ccd916b5abdf3c454ad6edc03c2 /sound/soc/codecs/max98396.c | |
| download | linux-stable-034dd340b08be1f2f0477ad16131d609f9dbd53c.tar.gz linux-stable-034dd340b08be1f2f0477ad16131d609f9dbd53c.zip | |
Merge tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-tracegrafted
Pull tracing fixes from Steven Rostedt:
- Fix error output of boot instance creation failure
Currently if a boot instance creation fails, instead of printing out
the name of the instance that failed, it prints "(null)". That is
because it prints "cur_str" that had already been processed by
strsep(). Print the saved name instead.
While at it, print the error code of the failure.
- Fix use-after-free for same named historgrams
Histograms can be named so that they can be used in multiple events.
But if the named histogram has a variable attached, the second event
that uses the named histogram which duplicates it and needs to free
the original after duplication leaves the old variable in place and
still visible. If another histogram uses than variable, it will use
the stale one which will try to reference the freed duplicate
histogram and crash the kernel.
Free the duplicate variables along with the duplicated histogram
data.
- Check return value of kthread_run() in event self test
The events self tests uses a kthread for testing but does not check
if it succeeded in creating a kthread. If the kthread creation were
to fail, the code will still try to call kthread_stop() on the error
returned.
- Fix race between reading trace_pipe and updating subbuffer size
If a user is reading the trace_pipe file at the same time they update
the ring buffer sub-buffer size, can cause the trace_pipe read to
read stale data. Add trace_access_lock() around updating the ring
buffer sub-buffer size.
- Fix eventfs_inode on failure path in creation of the events directory
In the creation of the "events" directory, if after allocating the
eventfs_inode a failure is detected, it calls cleanup_ei() which
calls free_ei(). The free_ei() will test if eventfs_inode being freed
has no children. It is a bug if it does. But on the failure case of
the creation of the "events" directory, the children lists have not
yet been initialized and the free will trigger a warning because
list_empty() on an uninitialized list returns false.
Move the initialization into init_ei() where it makes more sense and
makes sure that a created eventfs_inode has its lists initialized
upon creation.
- Check return value of kthread_run() in ftrace direct sample code
The sample code that shows how to use the ftrace direct calls does
not test the return of kthread_run() to see if it succeeds. Return a
failure if the kthread_run() doesn't succeed.
- Clear user events state on fork in case of alloc failure
On fork, the child gets a pointer to the parent's user events state.
It makes a copy of it then updates the child's pointer to it. But if
the allocation fails, the duplication function leaves the child with
a pointer to its parent's descriptor. When the child cleans up its
data, it will free the parent's descriptor while the parent is still
using it.
In the duplication function, set the child's user_event_mm to NULL
before testing if the allocation succeeded, and when it exits it will
not free the parent's descriptor.
- Fix retry exhaustion in simple ring buffer reader swap
simple_ring_buffer_swap_reader_page() starts with retry set to 8 and
post-decrements it only after a failed link replacement. On the final
attempt, a successful replacement leaves retry at zero, while a
failed replacement leaves it at -1.
But the check for success expects the retry value to be non-zero and
exits with an error on zero. This is the opposite result. Fix it.
- Fail nicely when the remote swap_reader_page() returns an error
Currently, if the swap_reader_page() of a remote buffer fails, it
triggers a WARN_ON_ONCE() and continues normally. Instead, have it
exit with an error and a pr_warn() print instead of a full WARNING.
* tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Stop remote reader update when page swap fails
tracing: Fix retry exhaustion in simple ring buffer reader swap
tracing/user_events: Clear copied tracing state before fork duplication
samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify
samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-modify
eventfs: Initialize ei->children and ei->list in init_ei()
tracing: Fix use-after-free in trace_pipe read on sub-buffer order change
tracing: Fix crash passing ERR_PTR to kthread_stop()
tracing: Fix use-after-free with same-name named triggers
tracing: Fix logged instance name on creation failure
Diffstat (limited to 'sound/soc/codecs/max98396.c')
| -rw-r--r-- | sound/soc/codecs/max98396.c | 1932 |
1 files changed, 1932 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98396.c b/sound/soc/codecs/max98396.c new file mode 100644 index 000000000..e5a2fe824 --- /dev/null +++ b/sound/soc/codecs/max98396.c @@ -0,0 +1,1932 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2022, Analog Devices Inc. + +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <sound/pcm_params.h> +#include <linux/regulator/consumer.h> +#include <sound/soc.h> +#include <sound/tlv.h> +#include "max98396.h" + +static const char * const max98396_core_supplies[MAX98396_NUM_CORE_SUPPLIES] = { + "avdd", + "dvdd", + "dvddio", +}; + +static const struct reg_default max98396_reg[] = { + {MAX98396_R2000_SW_RESET, 0x00}, + {MAX98396_R2001_INT_RAW1, 0x00}, + {MAX98396_R2002_INT_RAW2, 0x00}, + {MAX98396_R2003_INT_RAW3, 0x00}, + {MAX98396_R2004_INT_RAW4, 0x00}, + {MAX98396_R2006_INT_STATE1, 0x00}, + {MAX98396_R2007_INT_STATE2, 0x00}, + {MAX98396_R2008_INT_STATE3, 0x00}, + {MAX98396_R2009_INT_STATE4, 0x00}, + {MAX98396_R200B_INT_FLAG1, 0x00}, + {MAX98396_R200C_INT_FLAG2, 0x00}, + {MAX98396_R200D_INT_FLAG3, 0x00}, + {MAX98396_R200E_INT_FLAG4, 0x00}, + {MAX98396_R2010_INT_EN1, 0x02}, + {MAX98396_R2011_INT_EN2, 0x00}, + {MAX98396_R2012_INT_EN3, 0x00}, + {MAX98396_R2013_INT_EN4, 0x00}, + {MAX98396_R2015_INT_FLAG_CLR1, 0x00}, + {MAX98396_R2016_INT_FLAG_CLR2, 0x00}, + {MAX98396_R2017_INT_FLAG_CLR3, 0x00}, + {MAX98396_R2018_INT_FLAG_CLR4, 0x00}, + {MAX98396_R201F_IRQ_CTRL, 0x00}, + {MAX98396_R2020_THERM_WARN_THRESH, 0x46}, + {MAX98396_R2021_THERM_WARN_THRESH2, 0x46}, + {MAX98396_R2022_THERM_SHDN_THRESH, 0x64}, + {MAX98396_R2023_THERM_HYSTERESIS, 0x02}, + {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5}, + {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01}, + {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32}, + {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00}, + {MAX98396_R2038_CLK_MON_CTRL, 0x00}, + {MAX98396_R2039_DATA_MON_CTRL, 0x00}, + {MAX98396_R203F_ENABLE_CTRLS, 0x0F}, + {MAX98396_R2040_PIN_CFG, 0x55}, + {MAX98396_R2041_PCM_MODE_CFG, 0xC0}, + {MAX98396_R2042_PCM_CLK_SETUP, 0x04}, + {MAX98396_R2043_PCM_SR_SETUP, 0x88}, + {MAX98396_R2044_PCM_TX_CTRL_1, 0x00}, + {MAX98396_R2045_PCM_TX_CTRL_2, 0x00}, + {MAX98396_R2046_PCM_TX_CTRL_3, 0x00}, + {MAX98396_R2047_PCM_TX_CTRL_4, 0x00}, + {MAX98396_R2048_PCM_TX_CTRL_5, 0x00}, + {MAX98396_R2049_PCM_TX_CTRL_6, 0x00}, + {MAX98396_R204A_PCM_TX_CTRL_7, 0x00}, + {MAX98396_R204B_PCM_TX_CTRL_8, 0x00}, + {MAX98396_R204C_PCM_TX_HIZ_CTRL_1, 0xFF}, + {MAX98396_R204D_PCM_TX_HIZ_CTRL_2, 0xFF}, + {MAX98396_R204E_PCM_TX_HIZ_CTRL_3, 0xFF}, + {MAX98396_R204F_PCM_TX_HIZ_CTRL_4, 0xFF}, + {MAX98396_R2050_PCM_TX_HIZ_CTRL_5, 0xFF}, + {MAX98396_R2051_PCM_TX_HIZ_CTRL_6, 0xFF}, + {MAX98396_R2052_PCM_TX_HIZ_CTRL_7, 0xFF}, + {MAX98396_R2053_PCM_TX_HIZ_CTRL_8, 0xFF}, + {MAX98396_R2055_PCM_RX_SRC1, 0x00}, + {MAX98396_R2056_PCM_RX_SRC2, 0x00}, + {MAX98396_R2058_PCM_BYPASS_SRC, 0x00}, + {MAX98396_R205D_PCM_TX_SRC_EN, 0x00}, + {MAX98396_R205E_PCM_RX_EN, 0x00}, + {MAX98396_R205F_PCM_TX_EN, 0x00}, + {MAX98396_R2070_ICC_RX_EN_A, 0x00}, + {MAX98396_R2071_ICC_RX_EN_B, 0x00}, + {MAX98396_R2072_ICC_TX_CTRL, 0x00}, + {MAX98396_R207F_ICC_EN, 0x00}, + {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04}, + {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00}, + {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00}, + {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00}, + {MAX98396_R208F_TONE_GEN_EN, 0x00}, + {MAX98396_R2090_AMP_VOL_CTRL, 0x00}, + {MAX98396_R2091_AMP_PATH_GAIN, 0x0B}, + {MAX98396_R2092_AMP_DSP_CFG, 0x23}, + {MAX98396_R2093_SSM_CFG, 0x0D}, + {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12}, + {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17}, + {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17}, + {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00}, + {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00}, + {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03}, + {MAX98396_R209A_SPK_EDGE_CTRL, 0x00}, + {MAX98396_R209C_SPK_EDGE_CTRL1, 0x0A}, + {MAX98396_R209D_SPK_EDGE_CTRL2, 0xAA}, + {MAX98396_R209E_AMP_CLIP_GAIN, 0x00}, + {MAX98396_R209F_BYPASS_PATH_CFG, 0x00}, + {MAX98396_R20A0_AMP_SUPPLY_CTL, 0x00}, + {MAX98396_R20AF_AMP_EN, 0x00}, + {MAX98396_R20B0_ADC_SR, 0x30}, + {MAX98396_R20B1_ADC_PVDD_CFG, 0x00}, + {MAX98396_R20B2_ADC_VBAT_CFG, 0x00}, + {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00}, + {MAX98396_R20B4_ADC_READBACK_CTRL1, 0x00}, + {MAX98396_R20B5_ADC_READBACK_CTRL2, 0x00}, + {MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0x00}, + {MAX98396_R20B7_ADC_PVDD_READBACK_LSB, 0x00}, + {MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0x00}, + {MAX98396_R20B9_ADC_VBAT_READBACK_LSB, 0x00}, + {MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0x00}, + {MAX98396_R20BB_ADC_TEMP_READBACK_LSB, 0x00}, + {MAX98396_R20BC_ADC_LO_PVDD_READBACK_MSB, 0x00}, + {MAX98396_R20BD_ADC_LO_PVDD_READBACK_LSB, 0x00}, + {MAX98396_R20BE_ADC_LO_VBAT_READBACK_MSB, 0x00}, + {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00}, + {MAX98396_R20C7_ADC_CFG, 0x00}, + {MAX98396_R20D0_DHT_CFG1, 0x00}, + {MAX98396_R20D1_LIMITER_CFG1, 0x08}, + {MAX98396_R20D2_LIMITER_CFG2, 0x00}, + {MAX98396_R20D3_DHT_CFG2, 0x14}, + {MAX98396_R20D4_DHT_CFG3, 0x02}, + {MAX98396_R20D5_DHT_CFG4, 0x04}, + {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07}, + {MAX98396_R20DF_DHT_EN, 0x00}, + {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04}, + {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00}, + {MAX98396_R20E5_BPE_STATE, 0x00}, + {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00}, + {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00}, + {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00}, + {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00}, + {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00}, + {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00}, + {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00}, + {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00}, + {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00}, + {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00}, + {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00}, + {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00}, + {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00}, + {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00}, + {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00}, + {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00}, + {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00}, + {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00}, + {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00}, + {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00}, + {MAX98396_R2109_BPE_LOW_STATE, 0x00}, + {MAX98396_R210A_BPE_LOW_GAIN, 0x00}, + {MAX98396_R210B_BPE_LOW_LIMITER, 0x00}, + {MAX98396_R210D_BPE_EN, 0x00}, + {MAX98396_R210E_AUTO_RESTART, 0x00}, + {MAX98396_R210F_GLOBAL_EN, 0x00}, + {MAX98396_R21FF_REVISION_ID, 0x00}, +}; + +static const struct reg_default max98397_reg[] = { + {MAX98396_R2000_SW_RESET, 0x00}, + {MAX98396_R2001_INT_RAW1, 0x00}, + {MAX98396_R2002_INT_RAW2, 0x00}, + {MAX98396_R2003_INT_RAW3, 0x00}, + {MAX98396_R2004_INT_RAW4, 0x00}, + {MAX98396_R2006_INT_STATE1, 0x00}, + {MAX98396_R2007_INT_STATE2, 0x00}, + {MAX98396_R2008_INT_STATE3, 0x00}, + {MAX98396_R2009_INT_STATE4, 0x00}, + {MAX98396_R200B_INT_FLAG1, 0x00}, + {MAX98396_R200C_INT_FLAG2, 0x00}, + {MAX98396_R200D_INT_FLAG3, 0x00}, + {MAX98396_R200E_INT_FLAG4, 0x00}, + {MAX98396_R2010_INT_EN1, 0x02}, + {MAX98396_R2011_INT_EN2, 0x00}, + {MAX98396_R2012_INT_EN3, 0x00}, + {MAX98396_R2013_INT_EN4, 0x00}, + {MAX98396_R2015_INT_FLAG_CLR1, 0x00}, + {MAX98396_R2016_INT_FLAG_CLR2, 0x00}, + {MAX98396_R2017_INT_FLAG_CLR3, 0x00}, + {MAX98396_R2018_INT_FLAG_CLR4, 0x00}, + {MAX98396_R201F_IRQ_CTRL, 0x00}, + {MAX98396_R2020_THERM_WARN_THRESH, 0x46}, + {MAX98396_R2021_THERM_WARN_THRESH2, 0x46}, + {MAX98396_R2022_THERM_SHDN_THRESH, 0x64}, + {MAX98396_R2023_THERM_HYSTERESIS, 0x02}, + {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5}, + {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01}, + {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32}, + {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00}, + {MAX98396_R2038_CLK_MON_CTRL, 0x00}, + {MAX98396_R2039_DATA_MON_CTRL, 0x00}, + {MAX98397_R203A_SPK_MON_THRESH, 0x03}, + {MAX98396_R203F_ENABLE_CTRLS, 0x0F}, + {MAX98396_R2040_PIN_CFG, 0x55}, + {MAX98396_R2041_PCM_MODE_CFG, 0xC0}, + {MAX98396_R2042_PCM_CLK_SETUP, 0x04}, + {MAX98396_R2043_PCM_SR_SETUP, 0x88}, + {MAX98396_R2044_PCM_TX_CTRL_1, 0x00}, + {MAX98396_R2045_PCM_TX_CTRL_2, 0x00}, + {MAX98396_R2046_PCM_TX_CTRL_3, 0x00}, + {MAX98396_R2047_PCM_TX_CTRL_4, 0x00}, + {MAX98396_R2048_PCM_TX_CTRL_5, 0x00}, + {MAX98396_R2049_PCM_TX_CTRL_6, 0x00}, + {MAX98396_R204A_PCM_TX_CTRL_7, 0x00}, + {MAX98396_R204B_PCM_TX_CTRL_8, 0x00}, + {MAX98397_R204C_PCM_TX_CTRL_9, 0x00}, + {MAX98397_R204D_PCM_TX_HIZ_CTRL_1, 0xFF}, + {MAX98397_R204E_PCM_TX_HIZ_CTRL_2, 0xFF}, + {MAX98397_R204F_PCM_TX_HIZ_CTRL_3, 0xFF}, + {MAX98397_R2050_PCM_TX_HIZ_CTRL_4, 0xFF}, + {MAX98397_R2051_PCM_TX_HIZ_CTRL_5, 0xFF}, + {MAX98397_R2052_PCM_TX_HIZ_CTRL_6, 0xFF}, + {MAX98397_R2053_PCM_TX_HIZ_CTRL_7, 0xFF}, + {MAX98397_R2054_PCM_TX_HIZ_CTRL_8, 0xFF}, + {MAX98397_R2056_PCM_RX_SRC1, 0x00}, + {MAX98397_R2057_PCM_RX_SRC2, 0x00}, + {MAX98396_R2058_PCM_BYPASS_SRC, 0x00}, + {MAX98396_R205D_PCM_TX_SRC_EN, 0x00}, + {MAX98396_R205E_PCM_RX_EN, 0x00}, + {MAX98396_R205F_PCM_TX_EN, 0x00}, + {MAX98397_R2060_PCM_TX_SUPPLY_SEL, 0x00}, + {MAX98396_R2070_ICC_RX_EN_A, 0x00}, + {MAX98396_R2071_ICC_RX_EN_B, 0x00}, + {MAX98396_R2072_ICC_TX_CTRL, 0x00}, + {MAX98396_R207F_ICC_EN, 0x00}, + {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04}, + {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00}, + {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00}, + {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00}, + {MAX98396_R208F_TONE_GEN_EN, 0x00}, + {MAX98396_R2090_AMP_VOL_CTRL, 0x00}, + {MAX98396_R2091_AMP_PATH_GAIN, 0x12}, + {MAX98396_R2092_AMP_DSP_CFG, 0x22}, + {MAX98396_R2093_SSM_CFG, 0x08}, + {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12}, + {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17}, + {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17}, + {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00}, + {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00}, + {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03}, + {MAX98396_R209A_SPK_EDGE_CTRL, 0x00}, + {MAX98397_R209B_SPK_PATH_WB_ONLY, 0x00}, + {MAX98396_R209C_SPK_EDGE_CTRL1, 0x03}, + {MAX98396_R209D_SPK_EDGE_CTRL2, 0xFC}, + {MAX98396_R209E_AMP_CLIP_GAIN, 0x00}, + {MAX98396_R209F_BYPASS_PATH_CFG, 0x00}, + {MAX98396_R20AF_AMP_EN, 0x00}, + {MAX98396_R20B0_ADC_SR, 0x30}, + {MAX98396_R20B1_ADC_PVDD_CFG, 0x00}, + {MAX98396_R20B2_ADC_VBAT_CFG, 0x00}, + {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00}, + {MAX98397_R20B4_ADC_VDDH_CFG, 0x00}, + {MAX98397_R20B5_ADC_READBACK_CTRL1, 0x00}, + {MAX98397_R20B6_ADC_READBACK_CTRL2, 0x00}, + {MAX98397_R20B7_ADC_PVDD_READBACK_MSB, 0x00}, + {MAX98397_R20B8_ADC_PVDD_READBACK_LSB, 0x00}, + {MAX98397_R20B9_ADC_VBAT_READBACK_MSB, 0x00}, + {MAX98397_R20BA_ADC_VBAT_READBACK_LSB, 0x00}, + {MAX98397_R20BB_ADC_TEMP_READBACK_MSB, 0x00}, + {MAX98397_R20BC_ADC_TEMP_READBACK_LSB, 0x00}, + {MAX98397_R20BD_ADC_VDDH__READBACK_MSB, 0x00}, + {MAX98397_R20BE_ADC_VDDH_READBACK_LSB, 0x00}, + {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00}, + {MAX98397_R20C3_ADC_LO_VDDH_READBACK_MSB, 0x00}, + {MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB, 0x00}, + {MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE, 0x04}, + {MAX98396_R20C7_ADC_CFG, 0x00}, + {MAX98396_R20D0_DHT_CFG1, 0x00}, + {MAX98396_R20D1_LIMITER_CFG1, 0x08}, + {MAX98396_R20D2_LIMITER_CFG2, 0x00}, + {MAX98396_R20D3_DHT_CFG2, 0x14}, + {MAX98396_R20D4_DHT_CFG3, 0x02}, + {MAX98396_R20D5_DHT_CFG4, 0x04}, + {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07}, + {MAX98396_R20DF_DHT_EN, 0x00}, + {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04}, + {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00}, + {MAX98396_R20E5_BPE_STATE, 0x00}, + {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00}, + {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00}, + {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00}, + {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00}, + {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00}, + {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00}, + {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00}, + {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00}, + {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00}, + {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00}, + {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00}, + {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00}, + {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00}, + {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00}, + {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00}, + {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00}, + {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00}, + {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00}, + {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00}, + {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00}, + {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00}, + {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00}, + {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00}, + {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00}, + {MAX98396_R2109_BPE_LOW_STATE, 0x00}, + {MAX98396_R210A_BPE_LOW_GAIN, 0x00}, + {MAX98396_R210B_BPE_LOW_LIMITER, 0x00}, + {MAX98396_R210D_BPE_EN, 0x00}, + {MAX98396_R210E_AUTO_RESTART, 0x00}, + {MAX98396_R210F_GLOBAL_EN, 0x00}, + {MAX98397_R22FF_REVISION_ID, 0x00}, +}; + +static void max98396_global_enable_onoff(struct regmap *regmap, bool onoff) +{ + regmap_write(regmap, MAX98396_R210F_GLOBAL_EN, onoff ? 1 : 0); + usleep_range(11000, 12000); +} + +static int max98396_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); + unsigned int format_mask, format = 0; + unsigned int bclk_pol = 0; + int ret, status; + int reg; + bool update = false; + + format_mask = MAX98396_PCM_MODE_CFG_FORMAT_MASK | + MAX98396_PCM_MODE_CFG_LRCLKEDGE; + + dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt); + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_NB_IF: + format = MAX98396_PCM_MODE_CFG_LRCLKEDGE; + break; + case SND_SOC_DAIFMT_IB_NF: + bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE; + break; + case SND_SOC_DAIFMT_IB_IF: + bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE; + format = MAX98396_PCM_MODE_CFG_LRCLKEDGE; + break; + + default: + dev_err(component->dev, "DAI invert mode %d unsupported\n", + fmt & SND_SOC_DAIFMT_INV_MASK); + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + format |= MAX98396_PCM_FORMAT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + format |= MAX98396_PCM_FORMAT_LJ; + break; + case SND_SOC_DAIFMT_DSP_A: + format |= MAX98396_PCM_FORMAT_TDM_MODE1; + break; + case SND_SOC_DAIFMT_DSP_B: + format |= MAX98396_PCM_FORMAT_TDM_MODE0; + break; + default: + dev_err(component->dev, "DAI format %d unsupported\n", + fmt & SND_SOC_DAIFMT_FORMAT_MASK); + return -EINVAL; + } + + ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); + if (ret < 0) + return -EINVAL; + + if (status) { + ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); + if (ret < 0) + return -EINVAL; + if (format != (reg & format_mask)) { + update = true; + } else { + ret = regmap_read(max98396->regmap, + MAX98396_R2042_PCM_CLK_SETUP, ®); + if (ret < 0) + return -EINVAL; + if (bclk_pol != (reg & MAX98396_PCM_MODE_CFG_BCLKEDGE)) + update = true; + } + /* GLOBAL_EN OFF prior to pcm mode, clock configuration change */ + if (update) + max98396_global_enable_onoff(max98396->regmap, false); + } + + regmap_update_bits(max98396->regmap, + MAX98396_R2041_PCM_MODE_CFG, + format_mask, format); + + regmap_update_bits(max98396->regmap, + MAX98396_R2042_PCM_CLK_SETUP, + MAX98396_PCM_MODE_CFG_BCLKEDGE, + bclk_pol); + + if (status && update) + max98396_global_enable_onoff(max98396->regmap, true); + + return 0; +} + +#define MAX98396_BSEL_32 0x2 +#define MAX98396_BSEL_48 0x3 +#define MAX98396_BSEL_64 0x4 +#define MAX98396_BSEL_96 0x5 +#define MAX98396_BSEL_128 0x6 +#define MAX98396_BSEL_192 0x7 +#define MAX98396_BSEL_256 0x8 +#define MAX98396_BSEL_384 0x9 +#define MAX98396_BSEL_512 0xa +#define MAX98396_BSEL_320 0xb +#define MAX98396_BSEL_250 0xc +#define MAX98396_BSEL_125 0xd + +/* Refer to table 5 in the datasheet */ +static const struct max98396_pcm_config { + int in, out, width, bsel, max_sr; +} max98396_pcm_configs[] = { + { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 192000 }, + { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 192000 }, + { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 192000 }, + { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, + { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 192000 }, + { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 192000 }, + { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 192000 }, + { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, + { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 192000 }, + { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 96000 }, + { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 96000 }, + { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 96000 }, + { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, + { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 96000 }, + { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 96000 }, + { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 96000 }, + { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, + { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 96000 }, + { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, + { .in = 8, .out = 16, .width = 16, .bsel = MAX98396_BSEL_128, .max_sr = 96000 }, + { .in = 8, .out = 24, .width = 24, .bsel = MAX98396_BSEL_192, .max_sr = 96000 }, + { .in = 8, .out = 32, .width = 32, .bsel = MAX98396_BSEL_256, .max_sr = 96000 }, + { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, + { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 96000 }, + { .in = 16, .out = 32, .width = 16, .bsel = MAX98396_BSEL_256, .max_sr = 96000 }, + { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, + { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, + { .in = 10, .out = 40, .width = 32, .bsel = MAX98396_BSEL_320, .max_sr = 48000 }, + { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 48000 }, + { .in = 16, .out = 48, .width = 24, .bsel = MAX98396_BSEL_384, .max_sr = 48000 }, + { .in = 16, .out = 64, .width = 32, .bsel = MAX98396_BSEL_512, .max_sr = 48000 }, +}; + +static int max98396_pcm_config_index(int in_slots, int out_slots, int width) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(max98396_pcm_configs); i++) { + const struct max98396_pcm_config *c = &max98396_pcm_configs[i]; + + if (in_slots == c->in && out_slots <= c->out && width == c->width) + return i; + } + + return -1; +} + +static int max98396_dai_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 max98396_priv *max98396 = snd_soc_component_get_drvdata(component); + unsigned int sampling_rate = 0; + unsigned int chan_sz = 0; + int ret, reg, status, bsel = 0; + bool update = false; + + /* pcm mode configuration */ + switch (snd_pcm_format_width(params_format(params))) { + case 16: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16; + break; + case 24: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24; + break; + case 32: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32; + break; + default: + dev_err(component->dev, "format unsupported %d\n", + params_format(params)); + goto err; + } + + dev_dbg(component->dev, "format supported %d", + params_format(params)); + + /* sampling rate configuration */ + switch (params_rate(params)) { + case 8000: + sampling_rate = MAX98396_PCM_SR_8000; + break; + case 11025: + sampling_rate = MAX98396_PCM_SR_11025; + break; + case 12000: + sampling_rate = MAX98396_PCM_SR_12000; + break; + case 16000: + sampling_rate = MAX98396_PCM_SR_16000; + break; + case 22050: + sampling_rate = MAX98396_PCM_SR_22050; + break; + case 24000: + sampling_rate = MAX98396_PCM_SR_24000; + break; + case 32000: + sampling_rate = MAX98396_PCM_SR_32000; + break; + case 44100: + sampling_rate = MAX98396_PCM_SR_44100; + break; + case 48000: + sampling_rate = MAX98396_PCM_SR_48000; + break; + case 88200: + sampling_rate = MAX98396_PCM_SR_88200; + break; + case 96000: + sampling_rate = MAX98396_PCM_SR_96000; + break; + case 192000: + sampling_rate = MAX98396_PCM_SR_192000; + break; + default: + dev_err(component->dev, "rate %d not supported\n", + params_rate(params)); + goto err; + } + + if (max98396->tdm_mode) { + if (params_rate(params) > max98396->tdm_max_samplerate) { + dev_err(component->dev, "TDM sample rate %d too high", + params_rate(params)); + goto err; + } + } else { + /* BCLK configuration */ + ret = max98396_pcm_config_index(params_channels(params), + params_channels(params), + snd_pcm_format_width(params_format(params))); + if (ret < 0) { + dev_err(component->dev, + "no PCM config for %d channels, format %d\n", + params_channels(params), params_format(params)); + goto err; + } + + bsel = max98396_pcm_configs[ret].bsel; + + if (params_rate(params) > max98396_pcm_configs[ret].max_sr) { + dev_err(component->dev, "sample rate %d too high", + params_rate(params)); + goto err; + } + } + + ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); + if (ret < 0) + goto err; + + if (status) { + ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); + if (ret < 0) + goto err; + if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK)) { + update = true; + } else { + ret = regmap_read(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP, ®); + if (ret < 0) + goto err; + if (sampling_rate != (reg & MAX98396_PCM_SR_MASK)) + update = true; + } + + /* GLOBAL_EN OFF prior to channel size and sampling rate change */ + if (update) + max98396_global_enable_onoff(max98396->regmap, false); + } + + /* set channel size */ + regmap_update_bits(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, + MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); + + /* set DAI_SR to correct LRCLK frequency */ + regmap_update_bits(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP, + MAX98396_PCM_SR_MASK, sampling_rate); + + /* set sampling rate of IV */ + if (max98396->interleave_mode && + sampling_rate > MAX98396_PCM_SR_16000) + regmap_update_bits(max98396->regmap, + MAX98396_R2043_PCM_SR_SETUP, + MAX98396_IVADC_SR_MASK, + (sampling_rate - 3) + << MAX98396_IVADC_SR_SHIFT); + else + regmap_update_bits(max98396->regmap, + MAX98396_R2043_PCM_SR_SETUP, + MAX98396_IVADC_SR_MASK, + sampling_rate << MAX98396_IVADC_SR_SHIFT); + + if (bsel) + regmap_update_bits(max98396->regmap, + MAX98396_R2042_PCM_CLK_SETUP, + MAX98396_PCM_CLK_SETUP_BSEL_MASK, + bsel); + + if (status && update) + max98396_global_enable_onoff(max98396->regmap, true); + + return 0; + +err: + return -EINVAL; +} + +static int max98396_dai_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 max98396_priv *max98396 = + snd_soc_component_get_drvdata(component); + int bsel; + unsigned int chan_sz = 0; + int ret, status; + int reg; + bool update = false; + + if (!tx_mask && !rx_mask && !slots && !slot_width) + max98396->tdm_mode = false; + else + max98396->tdm_mode = true; + + /* BCLK configuration */ + ret = max98396_pcm_config_index(slots, slots, slot_width); + if (ret < 0) { + dev_err(component->dev, "no TDM config for %d slots %d bits\n", + slots, slot_width); + return -EINVAL; + } + + bsel = max98396_pcm_configs[ret].bsel; + max98396->tdm_max_samplerate = max98396_pcm_configs[ret].max_sr; + + /* Channel size configuration */ + switch (slot_width) { + case 16: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16; + break; + case 24: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24; + break; + case 32: + chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32; + break; + default: + dev_err(component->dev, "slot width %d unsupported\n", + slot_width); + return -EINVAL; + } + + ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status); + if (ret < 0) + return -EINVAL; + + if (status) { + ret = regmap_read(max98396->regmap, MAX98396_R2042_PCM_CLK_SETUP, ®); + if (ret < 0) + return -EINVAL; + if (bsel != (reg & MAX98396_PCM_CLK_SETUP_BSEL_MASK)) { + update = true; + } else { + ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, ®); + if (ret < 0) + return -EINVAL; + if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK)) + update = true; + } + + /* GLOBAL_EN OFF prior to channel size and BCLK per LRCLK change */ + if (update) + max98396_global_enable_onoff(max98396->regmap, false); + } + + regmap_update_bits(max98396->regmap, + MAX98396_R2042_PCM_CLK_SETUP, + MAX98396_PCM_CLK_SETUP_BSEL_MASK, + bsel); + + regmap_update_bits(max98396->regmap, + MAX98396_R2041_PCM_MODE_CFG, + MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); + + /* Rx slot configuration */ + if (max98396->device_id == CODEC_TYPE_MAX98396) { + regmap_update_bits(max98396->regmap, + MAX98396_R2056_PCM_RX_SRC2, + MAX98396_PCM_DMIX_CH0_SRC_MASK, + rx_mask); + regmap_update_bits(max98396->regmap, + MAX98396_R2056_PCM_RX_SRC2, + MAX98396_PCM_DMIX_CH1_SRC_MASK, + rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT); + } else { + regmap_update_bits(max98396->regmap, + MAX98397_R2057_PCM_RX_SRC2, + MAX98396_PCM_DMIX_CH0_SRC_MASK, + rx_mask); + regmap_update_bits(max98396->regmap, + MAX98397_R2057_PCM_RX_SRC2, + MAX98396_PCM_DMIX_CH1_SRC_MASK, + rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT); + } + + /* Tx slot Hi-Z configuration */ + if (max98396->device_id == CODEC_TYPE_MAX98396) { + regmap_write(max98396->regmap, + MAX98396_R2053_PCM_TX_HIZ_CTRL_8, + ~tx_mask & 0xFF); + regmap_write(max98396->regmap, + MAX98396_R2052_PCM_TX_HIZ_CTRL_7, + (~tx_mask & 0xFF00) >> 8); + } else { + regmap_write(max98396->regmap, + MAX98397_R2054_PCM_TX_HIZ_CTRL_8, + ~tx_mask & 0xFF); + regmap_write(max98396->regmap, + MAX98397_R2053_PCM_TX_HIZ_CTRL_7, + (~tx_mask & 0xFF00) >> 8); + } + + if (status && update) + max98396_global_enable_onoff(max98396->regmap, true); + + return 0; +} + +#define MAX98396_RATES SNDRV_PCM_RATE_8000_192000 + +#define MAX98396_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static const struct snd_soc_dai_ops max98396_dai_ops = { + .set_fmt = max98396_dai_set_fmt, + .hw_params = max98396_dai_hw_params, + .set_tdm_slot = max98396_dai_tdm_slot, +}; + +static int max98396_dac_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct max98396_priv *max98396 = + snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + max98396_global_enable_onoff(max98396->regmap, true); + break; + case SND_SOC_DAPM_PRE_PMD: + max98396_global_enable_onoff(max98396->regmap, false); + + max98396->tdm_mode = false; + break; + default: + return 0; + } + return 0; +} + +static bool max98396_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4: + case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4: + case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4: + case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4: + case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4: + case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET: + case MAX98396_R2027_THERM_FOLDBACK_EN: + case MAX98396_R2030_NOISEGATE_MODE_CTRL: + case MAX98396_R2033_NOISEGATE_MODE_EN: + case MAX98396_R2038_CLK_MON_CTRL ... MAX98396_R2039_DATA_MON_CTRL: + case MAX98396_R203F_ENABLE_CTRLS ... MAX98396_R2053_PCM_TX_HIZ_CTRL_8: + case MAX98396_R2055_PCM_RX_SRC1 ... MAX98396_R2056_PCM_RX_SRC2: + case MAX98396_R2058_PCM_BYPASS_SRC: + case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98396_R205F_PCM_TX_EN: + case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL: + case MAX98396_R207F_ICC_EN: + case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3: + case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209A_SPK_EDGE_CTRL: + case MAX98396_R209C_SPK_EDGE_CTRL1 ... MAX98396_R20A0_AMP_SUPPLY_CTL: + case MAX98396_R20AF_AMP_EN ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB: + case MAX98396_R20C7_ADC_CFG: + case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG: + case MAX98396_R20DF_DHT_EN: + case MAX98396_R20E0_IV_SENSE_PATH_CFG: + case MAX98396_R20E4_IV_SENSE_PATH_EN + ... MAX98396_R2106_BPE_THRESH_HYSTERESIS: + case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER: + case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN: + case MAX98396_R21FF_REVISION_ID: + return true; + default: + return false; + } +}; + +static bool max98396_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98396_R2000_SW_RESET: + case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4: + case MAX98396_R2041_PCM_MODE_CFG: + case MAX98396_R20B6_ADC_PVDD_READBACK_MSB + ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB: + case MAX98396_R20E5_BPE_STATE: + case MAX98396_R2109_BPE_LOW_STATE + ... MAX98396_R210B_BPE_LOW_LIMITER: + case MAX98396_R210F_GLOBAL_EN: + case MAX98396_R21FF_REVISION_ID: + return true; + default: + return false; + } +} + +static bool max98397_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4: + case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4: + case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4: + case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4: + case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4: + case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET: + case MAX98396_R2027_THERM_FOLDBACK_EN: + case MAX98396_R2030_NOISEGATE_MODE_CTRL: + case MAX98396_R2033_NOISEGATE_MODE_EN: + case MAX98396_R2038_CLK_MON_CTRL ... MAX98397_R203A_SPK_MON_THRESH: + case MAX98396_R203F_ENABLE_CTRLS ... MAX98397_R2054_PCM_TX_HIZ_CTRL_8: + case MAX98397_R2056_PCM_RX_SRC1... MAX98396_R2058_PCM_BYPASS_SRC: + case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98397_R2060_PCM_TX_SUPPLY_SEL: + case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL: + case MAX98396_R207F_ICC_EN: + case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3: + case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209F_BYPASS_PATH_CFG: + case MAX98396_R20AF_AMP_EN ... MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE: + case MAX98396_R20C7_ADC_CFG: + case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG: + case MAX98396_R20DF_DHT_EN: + case MAX98396_R20E0_IV_SENSE_PATH_CFG: + case MAX98396_R20E4_IV_SENSE_PATH_EN + ... MAX98396_R2106_BPE_THRESH_HYSTERESIS: + case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER: + case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN: + case MAX98397_R22FF_REVISION_ID: + return true; + default: + return false; + } +}; + +static bool max98397_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4: + case MAX98396_R2041_PCM_MODE_CFG: + case MAX98397_R20B7_ADC_PVDD_READBACK_MSB + ... MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB: + case MAX98396_R20E5_BPE_STATE: + case MAX98396_R2109_BPE_LOW_STATE + ... MAX98396_R210B_BPE_LOW_LIMITER: + case MAX98396_R210F_GLOBAL_EN: + case MAX98397_R22FF_REVISION_ID: + return true; + default: + return false; + } +} + +static const char * const max98396_op_mod_text[] = { + "DG", "PVDD", "VBAT", +}; + +static SOC_ENUM_SINGLE_DECL(max98396_op_mod_enum, + MAX98396_R2098_SPK_CLS_DG_MODE, + 0, max98396_op_mod_text); + +static DECLARE_TLV_DB_SCALE(max98396_digital_tlv, -6350, 50, 1); +static const DECLARE_TLV_DB_RANGE(max98396_spk_tlv, + 0, 0x11, TLV_DB_SCALE_ITEM(400, 100, 0), +); +static DECLARE_TLV_DB_RANGE(max98397_digital_tlv, + 0, 0x4A, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), + 0x4B, 0xFF, TLV_DB_SCALE_ITEM(-9000, 50, 0), +); +static const DECLARE_TLV_DB_RANGE(max98397_spk_tlv, + 0, 0x15, TLV_DB_SCALE_ITEM(600, 100, 0), +); + +static int max98396_mux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol); + struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); + int reg, val; + + if (max98396->device_id == CODEC_TYPE_MAX98396) + reg = MAX98396_R2055_PCM_RX_SRC1; + else + reg = MAX98397_R2056_PCM_RX_SRC1; + + regmap_read(max98396->regmap, reg, &val); + + ucontrol->value.enumerated.item[0] = val; + + return 0; +} + +static int max98396_mux_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol); + struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol); + struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int *item = ucontrol->value.enumerated.item; + int reg, val; + int change; + + if (item[0] >= e->items) + return -EINVAL; + + val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; + + if (max98396->device_id == CODEC_TYPE_MAX98396) + reg = MAX98396_R2055_PCM_RX_SRC1; + else + reg = MAX98397_R2056_PCM_RX_SRC1; + + change = snd_soc_component_test_bits(component, reg, + MAX98396_PCM_RX_MASK, val); + + if (change) + regmap_update_bits(max98396->regmap, reg, + MAX98396_PCM_RX_MASK, val); + + snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL); + + return change; +} + +static const char * const max98396_switch_text[] = { + "Left", "Right", "LeftRight"}; + +static SOC_ENUM_SINGLE_DECL(dai_sel_enum, SND_SOC_NOPM, 0, + max98396_switch_text); + +static const struct snd_kcontrol_new max98396_dai_mux = + SOC_DAPM_ENUM_EXT("DAI Sel Mux", dai_sel_enum, + max98396_mux_get, max98396_mux_put); + +static const struct snd_kcontrol_new max98396_vi_control = + SOC_DAPM_SINGLE("Switch", MAX98396_R205F_PCM_TX_EN, 0, 1, 0); + +static const struct snd_soc_dapm_widget max98396_dapm_widgets[] = { + SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", + MAX98396_R20AF_AMP_EN, 0, 0, max98396_dac_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0, + &max98396_dai_mux), + SND_SOC_DAPM_OUTPUT("BE_OUT"), + SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0, + MAX98396_R20E4_IV_SENSE_PATH_EN, 0, 0), + SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0, + MAX98396_R20E4_IV_SENSE_PATH_EN, 1, 0), + SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0, + &max98396_vi_control), + SND_SOC_DAPM_SIGGEN("VMON"), + SND_SOC_DAPM_SIGGEN("IMON"), + SND_SOC_DAPM_SIGGEN("FBMON"), +}; + +static const char * const max98396_thermal_thresh_text[] = { + "50C", "51C", "52C", "53C", "54C", "55C", "56C", "57C", + "58C", "59C", "60C", "61C", "62C", "63C", "64C", "65C", + "66C", "67C", "68C", "69C", "70C", "71C", "72C", "73C", + "74C", "75C", "76C", "77C", "78C", "79C", "80C", "81C", + "82C", "83C", "84C", "85C", "86C", "87C", "88C", "89C", + "90C", "91C", "92C", "93C", "94C", "95C", "96C", "97C", + "98C", "99C", "100C", "101C", "102C", "103C", "104C", "105C", + "106C", "107C", "108C", "109C", "110C", "111C", "112C", "113C", + "114C", "115C", "116C", "117C", "118C", "119C", "120C", "121C", + "122C", "123C", "124C", "125C", "126C", "127C", "128C", "129C", + "130C", "131C", "132C", "133C", "134C", "135C", "136C", "137C", + "138C", "139C", "140C", "141C", "142C", "143C", "144C", "145C", + "146C", "147C", "148C", "149C", "150C" +}; + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh1_enum, + MAX98396_R2020_THERM_WARN_THRESH, 0, + max98396_thermal_thresh_text); + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh2_enum, + MAX98396_R2021_THERM_WARN_THRESH2, 0, + max98396_thermal_thresh_text); + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_shdn_thresh_enum, + MAX98396_R2022_THERM_SHDN_THRESH, 0, + max98396_thermal_thresh_text); + +static const char * const max98396_thermal_hyteresis_text[] = { + "2C", "5C", "7C", "10C" +}; + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_hysteresis_enum, + MAX98396_R2023_THERM_HYSTERESIS, 0, + max98396_thermal_hyteresis_text); + +static const char * const max98396_foldback_slope_text[] = { + "0.25", "0.5", "1.0", "2.0" +}; + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope1_enum, + MAX98396_R2024_THERM_FOLDBACK_SET, + MAX98396_THERM_FB_SLOPE1_SHIFT, + max98396_foldback_slope_text); + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope2_enum, + MAX98396_R2024_THERM_FOLDBACK_SET, + MAX98396_THERM_FB_SLOPE2_SHIFT, + max98396_foldback_slope_text); + +static const char * const max98396_foldback_reltime_text[] = { + "3ms", "10ms", "100ms", "300ms" +}; + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_reltime_enum, + MAX98396_R2024_THERM_FOLDBACK_SET, + MAX98396_THERM_FB_REL_SHIFT, + max98396_foldback_reltime_text); + +static const char * const max98396_foldback_holdtime_text[] = { + "0ms", "20ms", "40ms", "80ms" +}; + +static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_holdtime_enum, + MAX98396_R2024_THERM_FOLDBACK_SET, + MAX98396_THERM_FB_HOLD_SHIFT, + max98396_foldback_holdtime_text); + +static int max98396_adc_value_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component); + int ret; + u8 val[2]; + int reg = mc->reg; + + /* ADC value is not available if the device is powered down */ + if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) + goto exit; + + if (max98396->device_id == CODEC_TYPE_MAX98397) { + switch (mc->reg) { + case MAX98396_R20B6_ADC_PVDD_READBACK_MSB: + reg = MAX98397_R20B7_ADC_PVDD_READBACK_MSB; + break; + case MAX98396_R20B8_ADC_VBAT_READBACK_MSB: + reg = MAX98397_R20B9_ADC_VBAT_READBACK_MSB; + break; + case MAX98396_R20BA_ADC_TEMP_READBACK_MSB: + reg = MAX98397_R20BB_ADC_TEMP_READBACK_MSB; + break; + default: + goto exit; + } + } + + ret = regmap_raw_read(max98396->regmap, reg, &val, 2); + if (ret) + goto exit; + + /* ADC readback bits[8:0] rearrangement */ + ucontrol->value.integer.value[0] = (val[0] << 1) | (val[1] & 1); + return 0; + +exit: + ucontrol->value.integer.value[0] = 0; + return 0; +} + +static const struct snd_kcontrol_new max98396_snd_controls[] = { + /* Volume */ + SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL, + 0, 0x7F, 1, max98396_digital_tlv), + SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN, + 0, 0x11, 0, max98396_spk_tlv), + /* Volume Ramp Up/Down Enable*/ + SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0), + SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0), + /* Clock Monitor Enable */ + SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS, + MAX98396_CTRL_CMON_EN_SHIFT, 1, 0), + /* Dither Enable */ + SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0), + SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0), + /* DC Blocker Enable */ + SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0), + SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0), + /* Speaker Safe Mode Enable */ + SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0), + /* Wideband Filter Enable */ + SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0), + SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0), + /* Dynamic Headroom Tracking */ + SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0), + /* Brownout Protection Engine */ + SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0), + SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0), + /* Bypass Path Enable */ + SOC_SINGLE("Bypass Path Switch", + MAX98396_R205E_PCM_RX_EN, 1, 1, 0), + /* Speaker Operation Mode */ + SOC_ENUM("OP Mode", max98396_op_mod_enum), + /* Auto Restart functions */ + SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL, + MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0), + SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0), + SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0), + SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0), + SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_OVC_RESTART_SHFT, 1, 0), + /* Thermal Threshold */ + SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum), + SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum), + SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum), + SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum), + SOC_SINGLE("THERM Foldback Switch", + MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0), + SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum), + SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum), + SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum), + SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum), + /* ADC */ + SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), + SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), + SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), +}; + +static const struct snd_kcontrol_new max98397_snd_controls[] = { + /* Volume */ + SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL, + 0, 0xFF, 1, max98397_digital_tlv), + SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN, + 0, 0x15, 0, max98397_spk_tlv), + /* Volume Ramp Up/Down Enable*/ + SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0), + SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0), + /* Clock Monitor Enable */ + SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS, + MAX98396_CTRL_CMON_EN_SHIFT, 1, 0), + /* Dither Enable */ + SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0), + SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0), + /* DC Blocker Enable */ + SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0), + SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0), + /* Speaker Safe Mode Enable */ + SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0), + /* Wideband Filter Enable */ + SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG, + MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0), + SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0), + /* Dynamic Headroom Tracking */ + SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0), + /* Brownout Protection Engine */ + SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0), + SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0), + /* Bypass Path Enable */ + SOC_SINGLE("Bypass Path Switch", + MAX98396_R205E_PCM_RX_EN, 1, 1, 0), + /* Speaker Operation Mode */ + SOC_ENUM("OP Mode", max98396_op_mod_enum), + /* Auto Restart functions */ + SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL, + MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0), + SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0), + SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0), + SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0), + SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART, + MAX98396_OVC_RESTART_SHFT, 1, 0), + /* Thermal Threshold */ + SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum), + SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum), + SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum), + SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum), + SOC_SINGLE("THERM Foldback Switch", + MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0), + SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum), + SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum), + SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum), + SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum), + /* ADC */ + SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), + SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), + SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0, + max98396_adc_value_get, NULL), +}; + +static const struct snd_soc_dapm_route max98396_audio_map[] = { + /* Plabyack */ + {"DAI Sel Mux", "Left", "Amp Enable"}, + {"DAI Sel Mux", "Right", "Amp Enable"}, + {"DAI Sel Mux", "LeftRight", "Amp Enable"}, + {"BE_OUT", NULL, "DAI Sel Mux"}, + /* Capture */ + { "VI Sense", "Switch", "VMON" }, + { "VI Sense", "Switch", "IMON" }, + { "Voltage Sense", NULL, "VI Sense" }, + { "Current Sense", NULL, "VI Sense" }, +}; + +static struct snd_soc_dai_driver max98396_dai[] = { + { + .name = "max98396-aif1", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98396_RATES, + .formats = MAX98396_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98396_RATES, + .formats = MAX98396_FORMATS, + }, + .ops = &max98396_dai_ops, + } +}; + +static struct snd_soc_dai_driver max98397_dai[] = { + { + .name = "max98397-aif1", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98396_RATES, + .formats = MAX98396_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MAX98396_RATES, + .formats = MAX98396_FORMATS, + }, + .ops = &max98396_dai_ops, + } +}; + +static void max98396_reset(struct max98396_priv *max98396, struct device *dev) +{ + int ret, reg, count; + + /* Software Reset */ + ret = regmap_write(max98396->regmap, + MAX98396_R2000_SW_RESET, 1); + if (ret) + dev_err(dev, "Reset command failed. (ret:%d)\n", ret); + + count = 0; + while (count < 3) { + usleep_range(5000, 6000); + /* Software Reset Verification */ + ret = regmap_read(max98396->regmap, + GET_REG_ADDR_REV_ID(max98396->device_id), ®); + if (!ret) { + dev_info(dev, "Reset completed (retry:%d)\n", count); + return; + } + count++; + } + dev_err(dev, "Reset failed. (ret:%d)\n", ret); +} + +static int max98396_probe(struct snd_soc_component *component) +{ + struct max98396_priv *max98396 = + snd_soc_component_get_drvdata(component); + + /* Software Reset */ + max98396_reset(max98396, component->dev); + + /* L/R mix configuration */ + if (max98396->device_id == CODEC_TYPE_MAX98396) { + regmap_write(max98396->regmap, + MAX98396_R2055_PCM_RX_SRC1, 0x02); + regmap_write(max98396->regmap, + MAX98396_R2056_PCM_RX_SRC2, 0x10); + } else { + regmap_write(max98396->regmap, + MAX98397_R2056_PCM_RX_SRC1, 0x02); + regmap_write(max98396->regmap, + MAX98397_R2057_PCM_RX_SRC2, 0x10); + } + /* Supply control */ + regmap_update_bits(max98396->regmap, + MAX98396_R20A0_AMP_SUPPLY_CTL, + MAX98396_AMP_SUPPLY_NOVBAT, + (max98396->vbat == NULL) ? + MAX98396_AMP_SUPPLY_NOVBAT : 0); + /* Enable DC blocker */ + regmap_update_bits(max98396->regmap, + MAX98396_R2092_AMP_DSP_CFG, 1, 1); + /* Enable IV Monitor DC blocker */ + regmap_update_bits(max98396->regmap, + MAX98396_R20E0_IV_SENSE_PATH_CFG, + MAX98396_IV_SENSE_DCBLK_EN_MASK, + MAX98396_IV_SENSE_DCBLK_EN_MASK); + /* Configure default data output sources */ + regmap_write(max98396->regmap, + MAX98396_R205D_PCM_TX_SRC_EN, 3); + /* Enable Wideband Filter */ + regmap_update_bits(max98396->regmap, + MAX98396_R2092_AMP_DSP_CFG, 0x40, 0x40); + /* Enable IV Wideband Filter */ + regmap_update_bits(max98396->regmap, + MAX98396_R20E0_IV_SENSE_PATH_CFG, 8, 8); + + /* Enable Bypass Source */ + regmap_write(max98396->regmap, + MAX98396_R2058_PCM_BYPASS_SRC, + max98396->bypass_slot); + /* Voltage, current slot configuration */ + regmap_write(max98396->regmap, + MAX98396_R2044_PCM_TX_CTRL_1, + max98396->v_slot); + regmap_write(max98396->regmap, + MAX98396_R2045_PCM_TX_CTRL_2, + max98396->i_slot); + regmap_write(max98396->regmap, + MAX98396_R204A_PCM_TX_CTRL_7, + max98396->spkfb_slot); + + if (max98396->v_slot < 8) + if (max98396->device_id == CODEC_TYPE_MAX98396) + regmap_update_bits(max98396->regmap, + MAX98396_R2053_PCM_TX_HIZ_CTRL_8, + 1 << max98396->v_slot, 0); + else + regmap_update_bits(max98396->regmap, + MAX98397_R2054_PCM_TX_HIZ_CTRL_8, + 1 << max98396->v_slot, 0); + else + if (max98396->device_id == CODEC_TYPE_MAX98396) + regmap_update_bits(max98396->regmap, + MAX98396_R2052_PCM_TX_HIZ_CTRL_7, + 1 << (max98396->v_slot - 8), 0); + else + regmap_update_bits(max98396->regmap, + MAX98397_R2053_PCM_TX_HIZ_CTRL_7, + 1 << (max98396->v_slot - 8), 0); + + if (max98396->i_slot < 8) + if (max98396->device_id == CODEC_TYPE_MAX98396) + regmap_update_bits(max98396->regmap, + MAX98396_R2053_PCM_TX_HIZ_CTRL_8, + 1 << max98396->i_slot, 0); + else + regmap_update_bits(max98396->regmap, + MAX98397_R2054_PCM_TX_HIZ_CTRL_8, + 1 << max98396->i_slot, 0); + else + if (max98396->device_id == CODEC_TYPE_MAX98396) + regmap_update_bits(max98396->regmap, + MAX98396_R2052_PCM_TX_HIZ_CTRL_7, + 1 << (max98396->i_slot - 8), 0); + else + regmap_update_bits(max98396->regmap, + MAX98397_R2053_PCM_TX_HIZ_CTRL_7, + 1 << (max98396->i_slot - 8), 0); + + /* Set interleave mode */ + if (max98396->interleave_mode) + regmap_update_bits(max98396->regmap, + MAX98396_R2041_PCM_MODE_CFG, + MAX98396_PCM_TX_CH_INTERLEAVE_MASK, + MAX98396_PCM_TX_CH_INTERLEAVE_MASK); + + regmap_update_bits(max98396->regmap, + MAX98396_R2038_CLK_MON_CTRL, + MAX98396_CLK_MON_AUTO_RESTART_MASK, + MAX98396_CLK_MON_AUTO_RESTART_MASK); + + regmap_update_bits(max98396->regmap, + MAX98396_R203F_ENABLE_CTRLS, + MAX98396_CTRL_DMON_STUCK_EN_MASK, + max98396->dmon_stuck_enable ? + MAX98396_CTRL_DMON_STUCK_EN_MASK : 0); + + regmap_update_bits(max98396->regmap, + MAX98396_R203F_ENABLE_CTRLS, + MAX98396_CTRL_DMON_MAG_EN_MASK, + max98396->dmon_mag_enable ? + MAX98396_CTRL_DMON_MAG_EN_MASK : 0); + + switch (max98396->dmon_duration) { + case 64: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_DURATION_MASK, 0); + break; + case 256: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_DURATION_MASK, 1); + break; + case 1024: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_DURATION_MASK, 2); + break; + case 4096: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_DURATION_MASK, 3); + break; + default: + dev_err(component->dev, "Invalid DMON duration %d\n", + max98396->dmon_duration); + } + + switch (max98396->dmon_stuck_threshold) { + case 15: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_STUCK_THRESH_MASK, + 0 << MAX98396_DMON_STUCK_THRESH_SHIFT); + break; + case 13: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_STUCK_THRESH_MASK, + 1 << MAX98396_DMON_STUCK_THRESH_SHIFT); + break; + case 22: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_STUCK_THRESH_MASK, + 2 << MAX98396_DMON_STUCK_THRESH_SHIFT); + break; + case 9: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_STUCK_THRESH_MASK, + 3 << MAX98396_DMON_STUCK_THRESH_SHIFT); + break; + default: + dev_err(component->dev, "Invalid DMON stuck threshold %d\n", + max98396->dmon_stuck_threshold); + } + + switch (max98396->dmon_mag_threshold) { + case 2 ... 5: + regmap_update_bits(max98396->regmap, + MAX98396_R2039_DATA_MON_CTRL, + MAX98396_DMON_STUCK_THRESH_MASK, + (5 - max98396->dmon_mag_threshold) + << MAX98396_DMON_MAG_THRESH_SHIFT); + break; + default: + dev_err(component->dev, "Invalid DMON magnitude threshold %d\n", + max98396->dmon_mag_threshold); + } + + /* Speaker Amplifier PCM RX Enable by default */ + regmap_update_bits(max98396->regmap, + MAX98396_R205E_PCM_RX_EN, + MAX98396_PCM_RX_EN_MASK, 1); + + return 0; +} + +static int max98396_suspend(struct device *dev) +{ + struct max98396_priv *max98396 = dev_get_drvdata(dev); + + regcache_cache_only(max98396->regmap, true); + regcache_mark_dirty(max98396->regmap); + regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); + if (max98396->pvdd) + regulator_disable(max98396->pvdd); + + if (max98396->vbat) + regulator_disable(max98396->vbat); + + return 0; +} + +static int max98396_resume(struct device *dev) +{ + struct max98396_priv *max98396 = dev_get_drvdata(dev); + int ret; + + ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); + if (ret < 0) + return ret; + + if (max98396->pvdd) { + ret = regulator_enable(max98396->pvdd); + if (ret < 0) + goto err_core_supplies; + } + + if (max98396->vbat) { + ret = regulator_enable(max98396->vbat); + if (ret < 0) + goto err_pvdd; + } + + regcache_cache_only(max98396->regmap, false); + max98396_reset(max98396, dev); + ret = regcache_sync(max98396->regmap); + if (ret < 0) { + regcache_cache_only(max98396->regmap, true); + regcache_mark_dirty(max98396->regmap); + goto err_vbat; + } + + return 0; + +err_vbat: + if (max98396->vbat) + regulator_disable(max98396->vbat); +err_pvdd: + if (max98396->pvdd) + regulator_disable(max98396->pvdd); +err_core_supplies: + regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); + + return ret; +} + +static const struct dev_pm_ops max98396_pm = { + SYSTEM_SLEEP_PM_OPS(max98396_suspend, max98396_resume) +}; + +static const struct snd_soc_component_driver soc_codec_dev_max98396 = { + .probe = max98396_probe, + .controls = max98396_snd_controls, + .num_controls = ARRAY_SIZE(max98396_snd_controls), + .dapm_widgets = max98396_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets), + .dapm_routes = max98396_audio_map, + .num_dapm_routes = ARRAY_SIZE(max98396_audio_map), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static const struct snd_soc_component_driver soc_codec_dev_max98397 = { + .probe = max98396_probe, + .controls = max98397_snd_controls, + .num_controls = ARRAY_SIZE(max98397_snd_controls), + .dapm_widgets = max98396_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets), + .dapm_routes = max98396_audio_map, + .num_dapm_routes = ARRAY_SIZE(max98396_audio_map), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static const struct regmap_config max98396_regmap = { + .reg_bits = 16, + .val_bits = 8, + .max_register = MAX98396_R21FF_REVISION_ID, + .reg_defaults = max98396_reg, + .num_reg_defaults = ARRAY_SIZE(max98396_reg), + .readable_reg = max98396_readable_register, + .volatile_reg = max98396_volatile_reg, + .cache_type = REGCACHE_RBTREE, +}; + +static const struct regmap_config max98397_regmap = { + .reg_bits = 16, + .val_bits = 8, + .max_register = MAX98397_R22FF_REVISION_ID, + .reg_defaults = max98397_reg, + .num_reg_defaults = ARRAY_SIZE(max98397_reg), + .readable_reg = max98397_readable_register, + .volatile_reg = max98397_volatile_reg, + .cache_type = REGCACHE_RBTREE, +}; + +static void max98396_read_device_property(struct device *dev, + struct max98396_priv *max98396) +{ + int value; + + if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value)) + max98396->v_slot = value & 0xF; + else + max98396->v_slot = 0; + + if (!device_property_read_u32(dev, "adi,imon-slot-no", &value)) + max98396->i_slot = value & 0xF; + else + max98396->i_slot = 1; + + if (!device_property_read_u32(dev, "adi,spkfb-slot-no", &value)) + max98396->spkfb_slot = value & 0xF; + else + max98396->spkfb_slot = 2; + + if (!device_property_read_u32(dev, "adi,bypass-slot-no", &value)) + max98396->bypass_slot = value & 0xF; + else + max98396->bypass_slot = 0; + + max98396->dmon_stuck_enable = + device_property_read_bool(dev, "adi,dmon-stuck-enable"); + + if (!device_property_read_u32(dev, "adi,dmon-stuck-threshold-bits", &value)) + max98396->dmon_stuck_threshold = value; + else + max98396->dmon_stuck_threshold = 15; + + max98396->dmon_mag_enable = + device_property_read_bool(dev, "adi,dmon-magnitude-enable"); + + if (!device_property_read_u32(dev, "adi,dmon-magnitude-threshold-bits", &value)) + max98396->dmon_mag_threshold = value; + else + max98396->dmon_mag_threshold = 5; + + if (!device_property_read_u32(dev, "adi,dmon-duration-ms", &value)) + max98396->dmon_duration = value; + else + max98396->dmon_duration = 64; +} + +static void max98396_core_supplies_disable(void *priv) +{ + struct max98396_priv *max98396 = priv; + + regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); +} + +static void max98396_supply_disable(void *r) +{ + regulator_disable((struct regulator *) r); +} + +static int max98396_i2c_probe(struct i2c_client *i2c) +{ + const struct i2c_device_id *id = i2c_client_get_device_id(i2c); + struct max98396_priv *max98396 = NULL; + int i, ret, reg; + + max98396 = devm_kzalloc(&i2c->dev, sizeof(*max98396), GFP_KERNEL); + + if (!max98396) { + ret = -ENOMEM; + return ret; + } + i2c_set_clientdata(i2c, max98396); + + max98396->device_id = id->driver_data; + + /* regmap initialization */ + if (max98396->device_id == CODEC_TYPE_MAX98396) + max98396->regmap = devm_regmap_init_i2c(i2c, &max98396_regmap); + + else + max98396->regmap = devm_regmap_init_i2c(i2c, &max98397_regmap); + + if (IS_ERR(max98396->regmap)) { + ret = PTR_ERR(max98396->regmap); + dev_err(&i2c->dev, + "Failed to allocate regmap: %d\n", ret); + return ret; + } + + /* Obtain regulator supplies */ + for (i = 0; i < MAX98396_NUM_CORE_SUPPLIES; i++) + max98396->core_supplies[i].supply = max98396_core_supplies[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request core supplies: %d\n", ret); + return ret; + } + + max98396->vbat = devm_regulator_get_optional(&i2c->dev, "vbat"); + if (IS_ERR(max98396->vbat)) { + if (PTR_ERR(max98396->vbat) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + max98396->vbat = NULL; + } + + max98396->pvdd = devm_regulator_get_optional(&i2c->dev, "pvdd"); + if (IS_ERR(max98396->pvdd)) { + if (PTR_ERR(max98396->pvdd) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + max98396->pvdd = NULL; + } + + ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES, + max98396->core_supplies); + if (ret < 0) { + dev_err(&i2c->dev, "Unable to enable core supplies: %d", ret); + return ret; + } + + ret = devm_add_action_or_reset(&i2c->dev, max98396_core_supplies_disable, + max98396); + if (ret < 0) + return ret; + + if (max98396->pvdd) { + ret = regulator_enable(max98396->pvdd); + if (ret < 0) + return ret; + + ret = devm_add_action_or_reset(&i2c->dev, + max98396_supply_disable, + max98396->pvdd); + if (ret < 0) + return ret; + } + + if (max98396->vbat) { + ret = regulator_enable(max98396->vbat); + if (ret < 0) + return ret; + + ret = devm_add_action_or_reset(&i2c->dev, + max98396_supply_disable, + max98396->vbat); + if (ret < 0) + return ret; + } + + /* update interleave mode info */ + if (device_property_read_bool(&i2c->dev, "adi,interleave_mode")) + max98396->interleave_mode = true; + else + max98396->interleave_mode = false; + + /* voltage/current slot & gpio configuration */ + max98396_read_device_property(&i2c->dev, max98396); + + /* Reset the Device */ + max98396->reset_gpio = devm_gpiod_get_optional(&i2c->dev, + "reset", GPIOD_OUT_HIGH); + if (IS_ERR(max98396->reset_gpio)) { + ret = PTR_ERR(max98396->reset_gpio); + dev_err(&i2c->dev, "Unable to request GPIO pin: %d.\n", ret); + return ret; + } + + if (max98396->reset_gpio) { + usleep_range(5000, 6000); + gpiod_set_value_cansleep(max98396->reset_gpio, 0); + /* Wait for the hw reset done */ + usleep_range(5000, 6000); + } + + ret = regmap_read(max98396->regmap, + GET_REG_ADDR_REV_ID(max98396->device_id), ®); + if (ret < 0) { + dev_err(&i2c->dev, "%s: failed to read revision of the device.\n", id->name); + return ret; + } + dev_info(&i2c->dev, "%s revision ID: 0x%02X\n", id->name, reg); + + /* codec registration */ + if (max98396->device_id == CODEC_TYPE_MAX98396) + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_codec_dev_max98396, + max98396_dai, + ARRAY_SIZE(max98396_dai)); + else + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_codec_dev_max98397, + max98397_dai, + ARRAY_SIZE(max98397_dai)); + if (ret < 0) + dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); + + return ret; +} + +static const struct i2c_device_id max98396_i2c_id[] = { + { .name = "max98396", .driver_data = CODEC_TYPE_MAX98396 }, + { .name = "max98397", .driver_data = CODEC_TYPE_MAX98397 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, max98396_i2c_id); + +#if defined(CONFIG_OF) +static const struct of_device_id max98396_of_match[] = { + { .compatible = "adi,max98396", }, + { .compatible = "adi,max98397", }, + { } +}; +MODULE_DEVICE_TABLE(of, max98396_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id max98396_acpi_match[] = { + { "ADS8396", 0 }, + { "ADS8397", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, max98396_acpi_match); +#endif + +static struct i2c_driver max98396_i2c_driver = { + .driver = { + .name = "max98396", + .of_match_table = of_match_ptr(max98396_of_match), + .acpi_match_table = ACPI_PTR(max98396_acpi_match), + .pm = pm_ptr(&max98396_pm), + }, + .probe = max98396_i2c_probe, + .id_table = max98396_i2c_id, +}; + +module_i2c_driver(max98396_i2c_driver) + +MODULE_DESCRIPTION("ALSA SoC MAX98396 driver"); +MODULE_AUTHOR("Ryan Lee <ryans.lee@analog.com>"); +MODULE_LICENSE("GPL"); |
