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-rw-r--r--sound/soc/codecs/rt715-sdca-sdw.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/sound/soc/codecs/rt715-sdca-sdw.c b/sound/soc/codecs/rt715-sdca-sdw.c
deleted file mode 100644
index 889b6b3b0009..000000000000
--- a/sound/soc/codecs/rt715-sdca-sdw.c
+++ /dev/null
@@ -1,278 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-//
-// rt715-sdca-sdw.c -- rt715 ALSA SoC audio driver
-//
-// Copyright(c) 2020 Realtek Semiconductor Corp.
-//
-//
-
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/mod_devicetable.h>
-#include <linux/soundwire/sdw.h>
-#include <linux/soundwire/sdw_type.h>
-#include <linux/soundwire/sdw_registers.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <sound/soc.h>
-#include "rt715-sdca.h"
-#include "rt715-sdca-sdw.h"
-
-static bool rt715_sdca_readable_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x201a ... 0x2027:
- case 0x2029 ... 0x202a:
- case 0x202d ... 0x2034:
- case 0x2200 ... 0x2204:
- case 0x2206 ... 0x2212:
- case 0x2230 ... 0x2239:
- case 0x2f5b:
- case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
- RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00):
- return true;
- default:
- return false;
- }
-}
-
-static bool rt715_sdca_volatile_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x201b:
- case 0x201c:
- case 0x201d:
- case 0x201f:
- case 0x2021:
- case 0x2023:
- case 0x2230:
- case 0x202d ... 0x202f: /* BRA */
- case 0x2200 ... 0x2212: /* i2c debug */
- case 0x2f07:
- case 0x2f1b ... 0x2f1e:
- case 0x2f30 ... 0x2f34:
- case 0x2f50 ... 0x2f51:
- case 0x2f53 ... 0x2f59:
- case 0x2f5c ... 0x2f5f:
- case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
- RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): /* VAD Searching status */
- return true;
- default:
- return false;
- }
-}
-
-static bool rt715_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x2000000:
- case 0x200002b:
- case 0x2000036:
- case 0x2000037:
- case 0x2000039:
- case 0x6100000:
- return true;
- default:
- return false;
- }
-}
-
-static bool rt715_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case 0x2000000:
- return true;
- default:
- return false;
- }
-}
-
-static const struct regmap_config rt715_sdca_regmap = {
- .reg_bits = 32,
- .val_bits = 8,
- .readable_reg = rt715_sdca_readable_register,
- .volatile_reg = rt715_sdca_volatile_register,
- .max_register = 0x43ffffff,
- .reg_defaults = rt715_reg_defaults_sdca,
- .num_reg_defaults = ARRAY_SIZE(rt715_reg_defaults_sdca),
- .cache_type = REGCACHE_RBTREE,
- .use_single_read = true,
- .use_single_write = true,
-};
-
-static const struct regmap_config rt715_sdca_mbq_regmap = {
- .name = "sdw-mbq",
- .reg_bits = 32,
- .val_bits = 16,
- .readable_reg = rt715_sdca_mbq_readable_register,
- .volatile_reg = rt715_sdca_mbq_volatile_register,
- .max_register = 0x43ffffff,
- .reg_defaults = rt715_mbq_reg_defaults_sdca,
- .num_reg_defaults = ARRAY_SIZE(rt715_mbq_reg_defaults_sdca),
- .cache_type = REGCACHE_RBTREE,
- .use_single_read = true,
- .use_single_write = true,
-};
-
-static int rt715_update_status(struct sdw_slave *slave,
- enum sdw_slave_status status)
-{
- struct rt715_sdca_priv *rt715 = dev_get_drvdata(&slave->dev);
-
- /* Update the status */
- rt715->status = status;
-
- /*
- * Perform initialization only if slave status is present and
- * hw_init flag is false
- */
- if (rt715->hw_init || rt715->status != SDW_SLAVE_ATTACHED)
- return 0;
-
- /* perform I/O transfers required for Slave initialization */
- return rt715_io_init(&slave->dev, slave);
-}
-
-static int rt715_read_prop(struct sdw_slave *slave)
-{
- struct sdw_slave_prop *prop = &slave->prop;
- int nval, i;
- u32 bit;
- unsigned long addr;
- struct sdw_dpn_prop *dpn;
-
- prop->paging_support = true;
-
- /* first we need to allocate memory for set bits in port lists */
- prop->source_ports = 0x50;/* BITMAP: 01010000 */
- prop->sink_ports = 0x0; /* BITMAP: 00000000 */
-
- nval = hweight32(prop->source_ports);
- prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
- sizeof(*prop->src_dpn_prop),
- GFP_KERNEL);
- if (!prop->src_dpn_prop)
- return -ENOMEM;
-
- dpn = prop->src_dpn_prop;
- i = 0;
- addr = prop->source_ports;
- for_each_set_bit(bit, &addr, 32) {
- dpn[i].num = bit;
- dpn[i].simple_ch_prep_sm = true;
- dpn[i].ch_prep_timeout = 10;
- i++;
- }
-
- /* set the timeout values */
- prop->clk_stop_timeout = 20;
-
- return 0;
-}
-
-static struct sdw_slave_ops rt715_sdca_slave_ops = {
- .read_prop = rt715_read_prop,
- .update_status = rt715_update_status,
-};
-
-static int rt715_sdca_sdw_probe(struct sdw_slave *slave,
- const struct sdw_device_id *id)
-{
- struct regmap *mbq_regmap, *regmap;
-
- slave->ops = &rt715_sdca_slave_ops;
-
- /* Regmap Initialization */
- mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt715_sdca_mbq_regmap);
- if (!mbq_regmap)
- return -EINVAL;
-
- regmap = devm_regmap_init_sdw(slave, &rt715_sdca_regmap);
- if (!regmap)
- return -EINVAL;
-
- return rt715_init(&slave->dev, mbq_regmap, regmap, slave);
-}
-
-static const struct sdw_device_id rt715_sdca_id[] = {
- SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3, 0x1, 0),
- SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3, 0x1, 0),
- {},
-};
-MODULE_DEVICE_TABLE(sdw, rt715_sdca_id);
-
-static int __maybe_unused rt715_dev_suspend(struct device *dev)
-{
- struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
-
- if (!rt715->hw_init)
- return 0;
-
- regcache_cache_only(rt715->regmap, true);
- regcache_mark_dirty(rt715->regmap);
- regcache_cache_only(rt715->mbq_regmap, true);
- regcache_mark_dirty(rt715->mbq_regmap);
-
- return 0;
-}
-
-#define RT715_PROBE_TIMEOUT 2000
-
-static int __maybe_unused rt715_dev_resume(struct device *dev)
-{
- struct sdw_slave *slave = dev_to_sdw_dev(dev);
- struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
- unsigned long time;
-
- if (!rt715->hw_init)
- return 0;
-
- if (!slave->unattach_request)
- goto regmap_sync;
-
- time = wait_for_completion_timeout(&slave->enumeration_complete,
- msecs_to_jiffies(RT715_PROBE_TIMEOUT));
- if (!time) {
- dev_err(&slave->dev, "Enumeration not complete, timed out\n");
- return -ETIMEDOUT;
- }
-
-regmap_sync:
- slave->unattach_request = 0;
- regcache_cache_only(rt715->regmap, false);
- regcache_sync_region(rt715->regmap,
- SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
- CH_00),
- SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
- RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
- regcache_cache_only(rt715->mbq_regmap, false);
- regcache_sync_region(rt715->mbq_regmap, 0x2000000, 0x61020ff);
- regcache_sync_region(rt715->mbq_regmap,
- SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
- CH_00),
- SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
- RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
-
- return 0;
-}
-
-static const struct dev_pm_ops rt715_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_suspend, rt715_dev_resume)
- SET_RUNTIME_PM_OPS(rt715_dev_suspend, rt715_dev_resume, NULL)
-};
-
-static struct sdw_driver rt715_sdw_driver = {
- .driver = {
- .name = "rt715-sdca",
- .owner = THIS_MODULE,
- .pm = &rt715_pm,
- },
- .probe = rt715_sdca_sdw_probe,
- .ops = &rt715_sdca_slave_ops,
- .id_table = rt715_sdca_id,
-};
-module_sdw_driver(rt715_sdw_driver);
-
-MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA");
-MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
-MODULE_LICENSE("GPL v2");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.