drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
Extension
.h
Size
4614 bytes
Lines
244
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mt7615_mcu_txd {
	__le32 txd[8];

	__le16 len;
	__le16 pq_id;

	u8 cid;
	u8 pkt_type;
	u8 set_query; /* FW don't care */
	u8 seq;

	u8 uc_d2b0_rev;
	u8 ext_cid;
	u8 s2d_index;
	u8 ext_cid_ack;

	u32 reserved[5];
} __packed __aligned(4);

/**
 * struct mt7615_uni_txd - mcu command descriptor for firmware v3
 * @txd: hardware descriptor
 * @len: total length not including txd
 * @cid: command identifier
 * @pkt_type: must be 0xa0 (cmd packet by long format)
 * @frag_n: fragment number
 * @seq: sequence number
 * @checksum: 0 mean there is no checksum
 * @s2d_index: index for command source and destination
 *  Definition              | value | note
 *  CMD_S2D_IDX_H2N         | 0x00  | command from HOST to WM
 *  CMD_S2D_IDX_C2N         | 0x01  | command from WA to WM
 *  CMD_S2D_IDX_H2C         | 0x02  | command from HOST to WA
 *  CMD_S2D_IDX_H2N_AND_H2C | 0x03  | command from HOST to WA and WM
 *
 * @option: command option
 *  BIT[0]: UNI_CMD_OPT_BIT_ACK
 *          set to 1 to request a fw reply
 *          if UNI_CMD_OPT_BIT_0_ACK is set and UNI_CMD_OPT_BIT_2_SET_QUERY
 *          is set, mcu firmware will send response event EID = 0x01
 *          (UNI_EVENT_ID_CMD_RESULT) to the host.
 *  BIT[1]: UNI_CMD_OPT_BIT_UNI_CMD
 *          0: original command
 *          1: unified command
 *  BIT[2]: UNI_CMD_OPT_BIT_SET_QUERY
 *          0: QUERY command
 *          1: SET command
 */
struct mt7615_uni_txd {
	__le32 txd[8];

	/* DW1 */
	__le16 len;
	__le16 cid;

	/* DW2 */
	u8 reserved;
	u8 pkt_type;
	u8 frag_n;
	u8 seq;

	/* DW3 */
	__le16 checksum;
	u8 s2d_index;
	u8 option;

	/* DW4 */
	u8 reserved2[4];
} __packed __aligned(4);

enum {
    MT_SKU_CCK_1_2 = 0,
    MT_SKU_CCK_55_11,
    MT_SKU_OFDM_6_9,
    MT_SKU_OFDM_12_18,
    MT_SKU_OFDM_24_36,
    MT_SKU_OFDM_48,
    MT_SKU_OFDM_54,
    MT_SKU_HT20_0_8,
    MT_SKU_HT20_32,
    MT_SKU_HT20_1_2_9_10,
    MT_SKU_HT20_3_4_11_12,
    MT_SKU_HT20_5_13,
    MT_SKU_HT20_6_14,
    MT_SKU_HT20_7_15,
    MT_SKU_HT40_0_8,
    MT_SKU_HT40_32,
    MT_SKU_HT40_1_2_9_10,
    MT_SKU_HT40_3_4_11_12,
    MT_SKU_HT40_5_13,

Annotation

Implementation Notes