/* Minimum and Maximum number of MSI-X Vector * Intel Bluetooth PCIe support only 1 vector
*/ #define BTINTEL_PCIE_MSIX_VEC_MAX 1 #define BTINTEL_PCIE_MSIX_VEC_MIN 1
/* Default poll time for MAC access during init */ #define BTINTEL_DEFAULT_MAC_ACCESS_TIMEOUT_US 200000
/* Default interrupt timeout in msec */ #define BTINTEL_DEFAULT_INTR_TIMEOUT_MS 3000
/* The number of descriptors in TX queues */ #define BTINTEL_PCIE_TX_DESCS_COUNT 32
/* The number of descriptors in RX queues */ #define BTINTEL_PCIE_RX_DESCS_COUNT 64
/* Number of Queue for TX and RX * It indicates the index of the IA(Index Array)
*/ enum {
BTINTEL_PCIE_TXQ_NUM = 0,
BTINTEL_PCIE_RXQ_NUM = 1,
BTINTEL_PCIE_NUM_QUEUES = 2,
};
/* The size of DMA buffer for TX and RX in bytes */ #define BTINTEL_PCIE_BUFFER_SIZE 4096
/* * Struct for Context Information (v2) * * All members are write-only for host and read-only for device. * * @version: Version of context information * @size: Size of context information * @config: Config with which host wants peripheral to execute * Subset of capability register published by device * @addr_tr_hia: Address of TR Head Index Array * @addr_tr_tia: Address of TR Tail Index Array * @addr_cr_hia: Address of CR Head Index Array * @addr_cr_tia: Address of CR Tail Index Array * @num_tr_ia: Number of entries in TR Index Arrays * @num_cr_ia: Number of entries in CR Index Arrays * @rbd_siz: RBD Size { 0x4=4K } * @addr_tfdq: Address of TFD Queue(tx) * @addr_urbdq0: Address of URBD Queue(tx) * @num_tfdq: Number of TFD in TFD Queue(tx) * @num_urbdq0: Number of URBD in URBD Queue(tx) * @tfdq_db_vec: Queue number of TFD * @urbdq0_db_vec: Queue number of URBD * @addr_frbdq: Address of FRBD Queue(rx) * @addr_urbdq1: Address of URBD Queue(rx) * @num_frbdq: Number of FRBD in FRBD Queue(rx) * @frbdq_db_vec: Queue number of FRBD * @num_urbdq1: Number of URBD in URBD Queue(rx) * @urbdq_db_vec: Queue number of URBDQ1 * @tr_msi_vec: Transfer Ring MSI-X Vector * @cr_msi_vec: Completion Ring MSI-X Vector * @dbgc_addr: DBGC first fragment address * @dbgc_size: DBGC buffer size * @early_enable: Enarly debug enable * @dbg_output_mode: Debug output mode * Bit[4] DBGC O/P { 0=SRAM, 1=DRAM(not relevant for NPK) } * Bit[5] DBGC I/P { 0=BDBG, 1=DBGI } * Bits[6:7] DBGI O/P(relevant if bit[5] = 1) * 0=BT DBGC, 1=WiFi DBGC, 2=NPK } * @dbg_preset: Debug preset * @ext_addr: Address of context information extension * @ext_size: Size of context information part * * Total 38 DWords
*/ struct ctx_info {
u16 version;
u16 size;
u32 config;
u32 reserved_dw02;
u32 reserved_dw03;
u64 addr_tr_hia;
u64 addr_tr_tia;
u64 addr_cr_hia;
u64 addr_cr_tia;
u16 num_tr_ia;
u16 num_cr_ia;
u32 rbd_size:4,
reserved_dw13:28;
u64 addr_tfdq;
u64 addr_urbdq0;
u16 num_tfdq;
u16 num_urbdq0;
u16 tfdq_db_vec;
u16 urbdq0_db_vec;
u64 addr_frbdq;
u64 addr_urbdq1;
u16 num_frbdq;
u16 frbdq_db_vec;
u16 num_urbdq1;
u16 urbdq_db_vec;
u16 tr_msi_vec;
u16 cr_msi_vec;
u32 reserved_dw27;
u64 dbgc_addr;
u32 dbgc_size;
u32 early_enable:1,
reserved_dw31:3,
dbg_output_mode:4,
dbg_preset:8,
reserved2_dw31:16;
u64 ext_addr;
u32 ext_size;
u32 test_param;
u32 reserved_dw36;
u32 reserved_dw37;
} __packed;
/* Transfer Descriptor for TX * @type: Not in use. Set to 0x0 * @size: Size of data in the buffer * @addr: DMA Address of buffer
*/ struct tfd {
u8 type;
u16 size;
u8 reserved;
u64 addr;
u32 reserved1;
} __packed;
/* URB Descriptor for TX * @tfd_index: Index of TFD in TFDQ + 1 * @num_txq: Queue index of TFD Queue * @cmpl_count: Completion count. Always 0x01 * @immediate_cmpl: Immediate completion flag: Always 0x01
*/ struct urbd0 {
u32 tfd_index:16,
num_txq:8,
cmpl_count:4,
reserved:3,
immediate_cmpl:1;
} __packed;
/* FRB Descriptor for RX * @tag: RX buffer tag (index of RX buffer queue) * @addr: Address of buffer
*/ struct frbd {
u32 tag:16,
reserved:16;
u32 reserved2;
u64 addr;
} __packed;
/* URB Descriptor for RX * @frbd_tag: Tag from FRBD * @status: Status
*/ struct urbd1 {
u32 frbd_tag:16,
status:1,
reserved:14,
fixed:1;
} __packed;
/* RFH header in RX packet * @packet_len: Length of the data in the buffer * @rxq: RX Queue number * @cmd_id: Command ID. Not in Use
*/ struct rfh_hdr {
u64 packet_len:16,
rxq:6,
reserved:10,
cmd_id:16,
reserved1:16;
} __packed;
/* Internal data buffer * @data: pointer to the data buffer * @p_addr: physical address of data buffer
*/ struct data_buf {
u8 *data;
dma_addr_t data_p_addr;
};
/* struct btintel_pcie_data * @pdev: pci device * @hdev: hdev device * @flags: driver state * @irq_lock: spinlock for MSI-X * @hci_rx_lock: spinlock for HCI RX flow * @base_addr: pci base address (from BAR) * @msix_entries: array of MSI-X entries * @msix_enabled: true if MSI-X is enabled; * @alloc_vecs: number of interrupt vectors allocated * @def_irq: default irq for all causes * @fh_init_mask: initial unmasked rxq causes * @hw_init_mask: initial unmaksed hw causes * @boot_stage_cache: cached value of boot stage register * @img_resp_cache: cached value of image response register * @cnvi: CNVi register value * @cnvr: CNVr register value * @gp0_received: condition for gp0 interrupt * @gp0_wait_q: wait_q for gp0 interrupt * @tx_wait_done: condition for tx interrupt * @tx_wait_q: wait_q for tx interrupt * @workqueue: workqueue for RX work * @rx_skb_q: SKB queue for RX packet * @rx_work: RX work struct to process the RX packet in @rx_skb_q * @dma_pool: DMA pool for descriptors, index array and ci * @dma_p_addr: DMA address for pool * @dma_v_addr: address of pool * @ci_p_addr: DMA address for CI struct * @ci: CI struct * @ia: Index Array struct * @txq: TX Queue struct * @rxq: RX Queue struct * @alive_intr_ctxt: Alive interrupt context
*/ struct btintel_pcie_data { struct pci_dev *pdev; struct hci_dev *hdev;
unsignedlong flags; /* lock used in MSI-X interrupt */
spinlock_t irq_lock; /* lock to serialize rx events */
spinlock_t hci_rx_lock;
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.