Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted

Pull media updates from Mauro Carvalho Chehab:

 - v4l2-core: added ISP statistics support and per-block validation

 - v4l2-core: Allow unknown HDR10 white point and luminance

 - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor

 - New codec: Milos: VPU v2.0 codec support

 - isp driver: gained support for Dreamchip RPPX1 ISP framework

 - vsp1 driver: gained support for RZ/T2H and RZ/N2H

 - Novalake driver: gained CVS support for new NVL hardware

 - dvb-core: fix feed leak on failed DMX_ADD_PID

 - several driver fixes, cleanups and minor improvements

* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: ipu-bridge: check all DMI entries when overriding sensor rotation
  media: v4l2-async: avoid deleting unlinked ASC entry on link error
  media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
  media: intel/ipu6: fix async notifier cleanup leak on parse error
  media: staging/ipu7: fix async notifier UAF on probe error path
  media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
  media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
  media: rcar-isp: Fix VSPX reference leaks
  media: rcar-isp: Release ISPCORE resources
  media: i2c: imx415: Release runtime PM reference on VBLANK error
  media: i2c: imx415: Return test pattern write errors
  media: renesas: vsp1: Declare index variables in for loop statement
  media: renesas: vsp1: Make reset control optional to support platforms without a reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
  media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
  media: nxp: imx8-isi: Add additional 32-bit RGB format support
  media: nxp: imx8-isi: Add 16-bit raw Bayer format support
  media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
  media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
  media: nxp: imx8-isi: Correct color map between V4L2 and ISI
  ...

1 files changed, 238 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt-sdw-common.c b/sound/soc/codecs/rt-sdw-common.c
new file mode 100644
index 000000000..ad61943ce
--- /dev/null
+++ b/sound/soc/codecs/rt-sdw-common.c
@@ -0,0 +1,238 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt-sdw-common.c
+//
+// Copyright(c) 2024 Realtek Semiconductor Corp.
+//
+
+/*
+ * This file defines common functions used with Realtek soundwire codecs.
+ */
+
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/bitops.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <sound/jack.h>
+
+#include "rt-sdw-common.h"
+
+/**
+ * rt_sdca_index_write - Write a value to Realtek defined register.
+ *
+ * @map: map for setting.
+ * @nid: Realtek-defined ID.
+ * @reg: register.
+ * @value: value.
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int rt_sdca_index_write(struct regmap *map, unsigned int nid,
+	unsigned int reg, unsigned int value)
+{
+	unsigned int addr = (nid << 20) | reg;
+	int ret;
+
+	ret = regmap_write(map, addr, value);
+	if (ret < 0)
+		pr_err("Failed to set value: %06x <= %04x ret=%d\n",
+			addr, value, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(rt_sdca_index_write);
+
+/**
+ * rt_sdca_index_read - Read value from Realtek defined register.
+ *
+ * @map: map for setting.
+ * @nid: Realtek-defined ID.
+ * @reg: register.
+ * @value: value.
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int rt_sdca_index_read(struct regmap *map, unsigned int nid,
+	unsigned int reg, unsigned int *value)
+{
+	unsigned int addr = (nid << 20) | reg;
+	int ret;
+
+	ret = regmap_read(map, addr, value);
+	if (ret < 0)
+		pr_err("Failed to get value: %06x => %04x ret=%d\n",
+			addr, *value, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(rt_sdca_index_read);
+
+/**
+ * rt_sdca_index_update_bits - Update value on Realtek defined register.
+ *
+ * @map: map for setting.
+ * @nid: Realtek-defined ID.
+ * @reg: register.
+ * @mask: Bitmask to change
+ * @val: New value for bitmask
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+
+int rt_sdca_index_update_bits(struct regmap *map,
+	unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
+{
+	unsigned int tmp;
+	int ret;
+
+	ret = rt_sdca_index_read(map, nid, reg, &tmp);
+	if (ret < 0)
+		return ret;
+
+	set_mask_bits(&tmp, mask, val);
+	return rt_sdca_index_write(map, nid, reg, tmp);
+}
+EXPORT_SYMBOL_GPL(rt_sdca_index_update_bits);
+
+/**
+ * rt_sdca_btn_type - Decision of button type.
+ *
+ * @buffer: UMP message buffer.
+ *
+ * A button type will be returned regarding to buffer,
+ * it returns zero if buffer cannot be recognized.
+ */
+int rt_sdca_btn_type(unsigned char *buffer)
+{
+	u8 btn_type = 0;
+	int ret = 0;
+
+	btn_type |= buffer[0] & 0xf;
+	btn_type |= (buffer[0] >> 4) & 0xf;
+	btn_type |= buffer[1] & 0xf;
+	btn_type |= (buffer[1] >> 4) & 0xf;
+
+	if (btn_type & BIT(0))
+		ret |= SND_JACK_BTN_2;
+	if (btn_type & BIT(1))
+		ret |= SND_JACK_BTN_3;
+	if (btn_type & BIT(2))
+		ret |= SND_JACK_BTN_0;
+	if (btn_type & BIT(3))
+		ret |= SND_JACK_BTN_1;
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(rt_sdca_btn_type);
+
+/**
+ * rt_sdca_headset_detect - Headset jack type detection.
+ *
+ * @map: map for setting.
+ * @entity_id: SDCA entity ID.
+ *
+ * A headset jack type will be returned, a negative errno will
+ * be returned in error cases.
+ */
+int rt_sdca_headset_detect(struct regmap *map, unsigned int entity_id)
+{
+	unsigned int det_mode, jack_type;
+	int ret;
+
+	/* get detected_mode */
+	ret = regmap_read(map, SDW_SDCA_CTL(SDCA_NUM_JACK_CODEC, entity_id,
+			RT_SDCA_CTL_DETECTED_MODE, 0), &det_mode);
+
+	if (ret < 0)
+		goto io_error;
+
+	switch (det_mode) {
+	case 0x03:
+		jack_type = SND_JACK_HEADPHONE;
+		break;
+	case 0x05:
+		jack_type = SND_JACK_HEADSET;
+		break;
+	default:
+		jack_type = 0;
+		break;
+	}
+
+	/* write selected_mode */
+	if (det_mode) {
+		ret = regmap_write(map, SDW_SDCA_CTL(SDCA_NUM_JACK_CODEC, entity_id,
+				RT_SDCA_CTL_SELECTED_MODE, 0), det_mode);
+		if (ret < 0)
+			goto io_error;
+	}
+
+	return jack_type;
+
+io_error:
+	pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(rt_sdca_headset_detect);
+
+/**
+ * rt_sdca_button_detect - Read UMP message and decide button type.
+ *
+ * @map: map for setting.
+ * @entity_id: SDCA entity ID.
+ * @hid_buf_addr: HID buffer address.
+ * @hid_id: Report ID for HID.
+ *
+ * A button type will be returned regarding to buffer,
+ * it returns zero if buffer cannot be recognized.
+ */
+int rt_sdca_button_detect(struct regmap *map, unsigned int entity_id,
+	unsigned int hid_buf_addr, unsigned int hid_id)
+{
+	unsigned int btn_type = 0, offset, idx, val, owner;
+	unsigned char buf[3];
+	int ret;
+
+	/* get current UMP message owner */
+	ret = regmap_read(map, SDW_SDCA_CTL(SDCA_NUM_HID, entity_id,
+			RT_SDCA_CTL_HIDTX_CURRENT_OWNER, 0), &owner);
+	if (ret < 0)
+		return 0;
+
+	/* if owner is device then there is no button event from device */
+	if (owner == 1)
+		return 0;
+
+	/* read UMP message offset */
+	ret = regmap_read(map, SDW_SDCA_CTL(SDCA_NUM_HID, entity_id,
+			RT_SDCA_CTL_HIDTX_MESSAGE_OFFSET, 0), &offset);
+	if (ret < 0)
+		goto _end_btn_det_;
+
+	for (idx = 0; idx < sizeof(buf); idx++) {
+		ret = regmap_read(map, hid_buf_addr + offset + idx, &val);
+		if (ret < 0)
+			goto _end_btn_det_;
+		buf[idx] = val & 0xff;
+	}
+	/* Report ID for HID */
+	if (buf[0] == hid_id)
+		btn_type = rt_sdca_btn_type(&buf[1]);
+
+_end_btn_det_:
+	/* Host is owner, so set back to device */
+	if (owner == 0)
+		/* set owner to device */
+		regmap_write(map,
+			SDW_SDCA_CTL(SDCA_NUM_HID, entity_id,
+				RT_SDCA_CTL_HIDTX_CURRENT_OWNER, 0), 0x01);
+
+	return btn_type;
+}
+EXPORT_SYMBOL_GPL(rt_sdca_button_detect);
+
+MODULE_DESCRIPTION("Realtek soundwire common functions");
+MODULE_AUTHOR("jack yu <jack.yu@realtek.com>");
+MODULE_LICENSE("GPL");