mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/soundwire/bus.h
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@@ -1,8 +1,11 @@
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-// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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-// Copyright(c) 2015-17 Intel Corporation.
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+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
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+/* Copyright(c) 2015-17 Intel Corporation. */
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3
 
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 #ifndef __SDW_BUS_H
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 #define __SDW_BUS_H
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+
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+#define DEFAULT_BANK_SWITCH_TIMEOUT 3000
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+#define DEFAULT_PROBE_TIMEOUT       2000
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 #if IS_ENABLED(CONFIG_ACPI)
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 int sdw_acpi_find_slaves(struct sdw_bus *bus);
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@@ -13,8 +16,30 @@
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 }
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 #endif
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18
 
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+int sdw_of_find_slaves(struct sdw_bus *bus);
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 void sdw_extract_slave_id(struct sdw_bus *bus,
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-			u64 addr, struct sdw_slave_id *id);
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+			  u64 addr, struct sdw_slave_id *id);
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+int sdw_slave_add(struct sdw_bus *bus, struct sdw_slave_id *id,
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+		  struct fwnode_handle *fwnode);
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+int sdw_master_device_add(struct sdw_bus *bus, struct device *parent,
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+			  struct fwnode_handle *fwnode);
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+int sdw_master_device_del(struct sdw_bus *bus);
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+
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+#ifdef CONFIG_DEBUG_FS
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+void sdw_bus_debugfs_init(struct sdw_bus *bus);
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+void sdw_bus_debugfs_exit(struct sdw_bus *bus);
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+void sdw_slave_debugfs_init(struct sdw_slave *slave);
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+void sdw_slave_debugfs_exit(struct sdw_slave *slave);
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+void sdw_debugfs_init(void);
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+void sdw_debugfs_exit(void);
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+#else
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+static inline void sdw_bus_debugfs_init(struct sdw_bus *bus) {}
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+static inline void sdw_bus_debugfs_exit(struct sdw_bus *bus) {}
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+static inline void sdw_slave_debugfs_init(struct sdw_slave *slave) {}
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+static inline void sdw_slave_debugfs_exit(struct sdw_slave *slave) {}
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+static inline void sdw_debugfs_init(void) {}
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+static inline void sdw_debugfs_exit(void) {}
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+#endif
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43
 
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 enum {
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 	SDW_MSG_FLAG_READ = 0,
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@@ -46,9 +71,13 @@
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 };
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 #define SDW_DOUBLE_RATE_FACTOR		2
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+#define SDW_STRM_RATE_GROUPING		1
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-extern int rows[SDW_FRAME_ROWS];
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-extern int cols[SDW_FRAME_COLS];
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+extern int sdw_rows[SDW_FRAME_ROWS];
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+extern int sdw_cols[SDW_FRAME_COLS];
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+
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+int sdw_find_row_index(int row);
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+int sdw_find_col_index(int col);
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 /**
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  * sdw_port_runtime: Runtime port parameters for Master or Slave
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@@ -99,6 +128,7 @@
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  * this stream, can be zero.
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  * @slave_rt_list: Slave runtime list
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  * @port_list: List of Master Ports configured for this stream, can be zero.
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+ * @stream_node: sdw_stream_runtime master_list node
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  * @bus_node: sdw_bus m_rt_list node
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  */
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 struct sdw_master_runtime {
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@@ -108,27 +138,69 @@
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 	unsigned int ch_count;
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 	struct list_head slave_rt_list;
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 	struct list_head port_list;
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+	struct list_head stream_node;
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 	struct list_head bus_node;
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 };
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 struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave,
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-				enum sdw_data_direction direction,
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-				unsigned int port_num);
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+					    enum sdw_data_direction direction,
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+					    unsigned int port_num);
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 int sdw_configure_dpn_intr(struct sdw_slave *slave, int port,
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-					bool enable, int mask);
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+			   bool enable, int mask);
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 int sdw_transfer(struct sdw_bus *bus, struct sdw_msg *msg);
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 int sdw_transfer_defer(struct sdw_bus *bus, struct sdw_msg *msg,
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-				struct sdw_defer *defer);
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+		       struct sdw_defer *defer);
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 #define SDW_READ_INTR_CLEAR_RETRY	10
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 int sdw_fill_msg(struct sdw_msg *msg, struct sdw_slave *slave,
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-		u32 addr, size_t count, u16 dev_num, u8 flags, u8 *buf);
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+		 u32 addr, size_t count, u16 dev_num, u8 flags, u8 *buf);
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+
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+/* Retrieve and return channel count from channel mask */
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+static inline int sdw_ch_mask_to_ch(int ch_mask)
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+{
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+	int c = 0;
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+
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+	for (c = 0; ch_mask; ch_mask >>= 1)
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+		c += ch_mask & 1;
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+
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+	return c;
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+}
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+
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+/* Fill transport parameter data structure */
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+static inline void sdw_fill_xport_params(struct sdw_transport_params *params,
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+					 int port_num, bool grp_ctrl_valid,
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+					 int grp_ctrl, int sample_int,
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+					 int off1, int off2,
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+					 int hstart, int hstop,
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+					 int pack_mode, int lane_ctrl)
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+{
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+	params->port_num = port_num;
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+	params->blk_grp_ctrl_valid = grp_ctrl_valid;
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+	params->blk_grp_ctrl = grp_ctrl;
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+	params->sample_interval = sample_int;
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+	params->offset1 = off1;
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+	params->offset2 = off2;
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+	params->hstart = hstart;
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+	params->hstop = hstop;
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+	params->blk_pkg_mode = pack_mode;
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+	params->lane_ctrl = lane_ctrl;
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+}
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+
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+/* Fill port parameter data structure */
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+static inline void sdw_fill_port_params(struct sdw_port_params *params,
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+					int port_num, int bps,
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+					int flow_mode, int data_mode)
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+{
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+	params->num = port_num;
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+	params->bps = bps;
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+	params->flow_mode = flow_mode;
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+	params->data_mode = data_mode;
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+}
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 /* Read-Modify-Write Slave register */
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-static inline int
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-sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
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+static inline int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
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 {
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 	int tmp;
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@@ -140,4 +212,17 @@
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 	return sdw_write(slave, addr, tmp);
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 }
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+/* broadcast read/write for tests */
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+int sdw_bread_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr);
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+int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 value);
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+
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+/*
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+ * At the moment we only track Master-initiated hw_reset.
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+ * Additional fields can be added as needed
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+ */
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+#define SDW_UNATTACH_REQUEST_MASTER_RESET	BIT(0)
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+
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+void sdw_clear_slave_status(struct sdw_bus *bus, u32 request);
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+int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
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+
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 #endif /* __SDW_BUS_H */