diff options
Diffstat (limited to 'include/linux/soundwire/sdw.h')
| -rw-r--r-- | include/linux/soundwire/sdw.h | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index f523ceabd059..4f3d14bb1538 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -6,6 +6,8 @@ #include <linux/bug.h> #include <linux/lockdep_types.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/mod_devicetable.h> #include <linux/bitfield.h> @@ -370,6 +372,7 @@ struct sdw_dpn_prop { * @clock_reg_supported: the Peripheral implements the clock base and scale * registers introduced with the SoundWire 1.2 specification. SDCA devices * do not need to set this boolean property as the registers are required. + * @use_domain_irq: call actual IRQ handler on slave, as well as callback */ struct sdw_slave_prop { u32 mipi_revision; @@ -394,6 +397,7 @@ struct sdw_slave_prop { u8 scp_int1_mask; u32 quirks; bool clock_reg_supported; + bool use_domain_irq; }; #define SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY BIT(0) @@ -482,6 +486,11 @@ struct sdw_slave_id { __u8 sdw_version:4; }; +struct sdw_extended_slave_id { + int link_id; + struct sdw_slave_id id; +}; + /* * Helper macros to extract the MIPI-defined IDs * @@ -641,6 +650,7 @@ struct sdw_slave_ops { * struct sdw_slave - SoundWire Slave * @id: MIPI device ID * @dev: Linux device + * @irq: IRQ number * @status: Status reported by the Slave * @bus: Bus handle * @prop: Slave properties @@ -670,6 +680,7 @@ struct sdw_slave_ops { struct sdw_slave { struct sdw_slave_id id; struct device dev; + int irq; enum sdw_slave_status status; struct sdw_bus *bus; struct sdw_slave_prop prop; @@ -847,6 +858,8 @@ struct sdw_defer { * @post_bank_switch: Callback for post bank switch * @read_ping_status: Read status from PING frames, reported with two bits per Device. * Bits 31:24 are reserved. + * @get_device_num: Callback for vendor-specific device_number allocation + * @put_device_num: Callback for vendor-specific device_number release * @new_peripheral_assigned: Callback to handle enumeration of new peripheral. */ struct sdw_master_ops { @@ -862,7 +875,11 @@ struct sdw_master_ops { int (*pre_bank_switch)(struct sdw_bus *bus); int (*post_bank_switch)(struct sdw_bus *bus); u32 (*read_ping_status)(struct sdw_bus *bus); - void (*new_peripheral_assigned)(struct sdw_bus *bus, int dev_num); + int (*get_device_num)(struct sdw_bus *bus, struct sdw_slave *slave); + void (*put_device_num)(struct sdw_bus *bus, struct sdw_slave *slave); + void (*new_peripheral_assigned)(struct sdw_bus *bus, + struct sdw_slave *slave, + int dev_num); }; /** @@ -885,6 +902,7 @@ struct sdw_master_ops { * is used to compute and program bus bandwidth, clock, frame shape, * transport and port parameters * @debugfs: Bus debugfs + * @domain: IRQ domain * @defer_msg: Defer message * @clk_stop_timeout: Clock stop timeout computed * @bank_switch_timeout: Bank switch timeout computed @@ -896,9 +914,6 @@ struct sdw_master_ops { * meaningful if multi_link is set. If set to 1, hardware-based * synchronization will be used even if a stream only uses a single * SoundWire segment. - * @dev_num_ida_min: if set, defines the minimum values for the IDA - * used to allocate system-unique device numbers. This value needs to be - * identical across all SoundWire bus in the system. */ struct sdw_bus { struct device *dev; @@ -920,12 +935,13 @@ struct sdw_bus { #ifdef CONFIG_DEBUG_FS struct dentry *debugfs; #endif + struct irq_chip irq_chip; + struct irq_domain *domain; struct sdw_defer defer_msg; unsigned int clk_stop_timeout; u32 bank_switch_timeout; bool multi_link; int hw_sync_min_links; - int dev_num_ida_min; }; int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, |