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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/wwan/iosm/iosm_ipc_imem_ops.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wwan/iosm/iosm_ipc_imem_ops.h')
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_imem_ops.h147
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem_ops.h b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.h
new file mode 100644
index 000000000..026c5bd0f
--- /dev/null
+++ b/drivers/net/wwan/iosm/iosm_ipc_imem_ops.h
@@ -0,0 +1,147 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Copyright (C) 2020-21 Intel Corporation.
+ */
+
+#ifndef IOSM_IPC_IMEM_OPS_H
+#define IOSM_IPC_IMEM_OPS_H
+
+#include "iosm_ipc_mux_codec.h"
+
+/* Maximum wait time for blocking read */
+#define IPC_READ_TIMEOUT 3000
+
+/* The delay in ms for defering the unregister */
+#define SIO_UNREGISTER_DEFER_DELAY_MS 1
+
+/* Default delay till CP PSI image is running and modem updates the
+ * execution stage.
+ * unit : milliseconds
+ */
+#define PSI_START_DEFAULT_TIMEOUT 3000
+
+/* Default time out when closing SIO, till the modem is in
+ * running state.
+ * unit : milliseconds
+ */
+#define BOOT_CHECK_DEFAULT_TIMEOUT 400
+
+/* IP MUX channel range */
+#define IP_MUX_SESSION_START 0
+#define IP_MUX_SESSION_END 7
+
+/* Default IP MUX channel */
+#define IP_MUX_SESSION_DEFAULT 0
+
+/**
+ * ipc_imem_sys_port_open - Open a port link to CP.
+ * @ipc_imem: Imem instance.
+ * @chl_id: Channel Indentifier.
+ * @hp_id: HP Indentifier.
+ *
+ * Return: channel instance on success, NULL for failure
+ */
+struct ipc_mem_channel *ipc_imem_sys_port_open(struct iosm_imem *ipc_imem,
+ int chl_id, int hp_id);
+void ipc_imem_sys_port_close(struct iosm_imem *ipc_imem,
+ struct ipc_mem_channel *channel);
+
+/**
+ * ipc_imem_sys_cdev_write - Route the uplink buffer to CP.
+ * @ipc_cdev: iosm_cdev instance.
+ * @skb: Pointer to skb.
+ *
+ * Return: 0 on success and failure value on error
+ */
+int ipc_imem_sys_cdev_write(struct iosm_cdev *ipc_cdev, struct sk_buff *skb);
+
+/**
+ * ipc_imem_sys_wwan_open - Open packet data online channel between network
+ * layer and CP.
+ * @ipc_imem: Imem instance.
+ * @if_id: ip link tag of the net device.
+ *
+ * Return: Channel ID on success and failure value on error
+ */
+int ipc_imem_sys_wwan_open(struct iosm_imem *ipc_imem, int if_id);
+
+/**
+ * ipc_imem_sys_wwan_close - Close packet data online channel between network
+ * layer and CP.
+ * @ipc_imem: Imem instance.
+ * @if_id: IP link id net device.
+ * @channel_id: Channel ID to be closed.
+ */
+void ipc_imem_sys_wwan_close(struct iosm_imem *ipc_imem, int if_id,
+ int channel_id);
+
+/**
+ * ipc_imem_sys_wwan_transmit - Function for transfer UL data
+ * @ipc_imem: Imem instance.
+ * @if_id: link ID of the device.
+ * @channel_id: Channel ID used
+ * @skb: Pointer to sk buffer
+ *
+ * Return: 0 on success and failure value on error
+ */
+int ipc_imem_sys_wwan_transmit(struct iosm_imem *ipc_imem, int if_id,
+ int channel_id, struct sk_buff *skb);
+/**
+ * ipc_imem_wwan_channel_init - Initializes WWAN channels and the channel for
+ * MUX.
+ * @ipc_imem: Pointer to iosm_imem struct.
+ * @mux_type: Type of mux protocol.
+ *
+ * Return: 0 on success and failure value on error
+ */
+int ipc_imem_wwan_channel_init(struct iosm_imem *ipc_imem,
+ enum ipc_mux_protocol mux_type);
+
+/**
+ * ipc_imem_sys_devlink_open - Open a Flash/CD Channel link to CP
+ * @ipc_imem: iosm_imem instance
+ *
+ * Return: channel instance on success, NULL for failure
+ */
+struct ipc_mem_channel *ipc_imem_sys_devlink_open(struct iosm_imem *ipc_imem);
+
+/**
+ * ipc_imem_sys_devlink_close - Release a Flash/CD channel link to CP
+ * @ipc_devlink: Pointer to ipc_devlink data-struct
+ *
+ */
+void ipc_imem_sys_devlink_close(struct iosm_devlink *ipc_devlink);
+
+/**
+ * ipc_imem_sys_devlink_notify_rx - Receive downlink characters from CP,
+ * the downlink skbuf is added at the end of the
+ * downlink or rx list
+ * @ipc_devlink: Pointer to ipc_devlink data-struct
+ * @skb: Pointer to sk buffer
+ */
+void ipc_imem_sys_devlink_notify_rx(struct iosm_devlink *ipc_devlink,
+ struct sk_buff *skb);
+
+/**
+ * ipc_imem_sys_devlink_read - Copy the rx data and free the skbuf
+ * @ipc_devlink: Devlink instance
+ * @data: Buffer to read the data from modem
+ * @bytes_to_read: Size of destination buffer
+ * @bytes_read: Number of bytes read
+ *
+ * Return: 0 on success and failure value on error
+ */
+int ipc_imem_sys_devlink_read(struct iosm_devlink *ipc_devlink, u8 *data,
+ u32 bytes_to_read, u32 *bytes_read);
+
+/**
+ * ipc_imem_sys_devlink_write - Route the uplink buffer to CP
+ * @ipc_devlink: Devlink_sio instance
+ * @buf: Pointer to buffer
+ * @count: Number of data bytes to write
+ * Return: 0 on success and failure value on error
+ */
+int ipc_imem_sys_devlink_write(struct iosm_devlink *ipc_devlink,
+ unsigned char *buf, int count);
+
+#endif