diff options
Diffstat (limited to 'drivers/net/ipa/ipa_cmd.c')
| -rw-r--r-- | drivers/net/ipa/ipa_cmd.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/drivers/net/ipa/ipa_cmd.c b/drivers/net/ipa/ipa_cmd.c index cee417181f98..c9ab865e7290 100644 --- a/drivers/net/ipa/ipa_cmd.c +++ b/drivers/net/ipa/ipa_cmd.c @@ -103,28 +103,6 @@ struct ipa_cmd_ip_packet_init { /* Field masks for ipa_cmd_ip_packet_init dest_endpoint field */ #define IPA_PACKET_INIT_DEST_ENDPOINT_FMASK GENMASK(4, 0) -/* IPA_CMD_DMA_TASK_32B_ADDR */ - -/* This opcode gets modified with a DMA operation count */ - -#define DMA_TASK_32B_ADDR_OPCODE_COUNT_FMASK GENMASK(15, 8) - -struct ipa_cmd_hw_dma_task_32b_addr { - __le16 flags; - __le16 size; - __le32 addr; - __le16 packet_size; - u8 reserved[6]; -}; - -/* Field masks for ipa_cmd_hw_dma_task_32b_addr flags field */ -#define DMA_TASK_32B_ADDR_FLAGS_SW_RSVD_FMASK GENMASK(10, 0) -#define DMA_TASK_32B_ADDR_FLAGS_CMPLT_FMASK GENMASK(11, 11) -#define DMA_TASK_32B_ADDR_FLAGS_EOF_FMASK GENMASK(12, 12) -#define DMA_TASK_32B_ADDR_FLAGS_FLSH_FMASK GENMASK(13, 13) -#define DMA_TASK_32B_ADDR_FLAGS_LOCK_FMASK GENMASK(14, 14) -#define DMA_TASK_32B_ADDR_FLAGS_UNLOCK_FMASK GENMASK(15, 15) - /* IPA_CMD_DMA_SHARED_MEM */ /* For IPA v4.0+, this opcode gets modified with pipeline clear options */ @@ -163,7 +141,6 @@ union ipa_cmd_payload { struct ipa_cmd_hw_hdr_init_local hdr_init_local; struct ipa_cmd_register_write register_write; struct ipa_cmd_ip_packet_init ip_packet_init; - struct ipa_cmd_hw_dma_task_32b_addr dma_task_32b_addr; struct ipa_cmd_hw_dma_mem_mem dma_shared_mem; struct ipa_cmd_ip_packet_tag_status ip_packet_tag_status; }; @@ -508,42 +485,6 @@ static void ipa_cmd_ip_packet_init_add(struct gsi_trans *trans, u8 endpoint_id) direction, opcode); } -/* Use a 32-bit DMA command to zero a block of memory */ -void ipa_cmd_dma_task_32b_addr_add(struct gsi_trans *trans, u16 size, - dma_addr_t addr, bool toward_ipa) -{ - struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); - enum ipa_cmd_opcode opcode = IPA_CMD_DMA_TASK_32B_ADDR; - struct ipa_cmd_hw_dma_task_32b_addr *payload; - union ipa_cmd_payload *cmd_payload; - enum dma_data_direction direction; - dma_addr_t payload_addr; - u16 flags; - - /* assert(addr <= U32_MAX); */ - addr &= GENMASK_ULL(31, 0); - - /* The opcode encodes the number of DMA operations in the high byte */ - opcode |= u16_encode_bits(1, DMA_TASK_32B_ADDR_OPCODE_COUNT_FMASK); - - direction = toward_ipa ? DMA_TO_DEVICE : DMA_FROM_DEVICE; - - /* complete: 0 = don't interrupt; eof: 0 = don't assert eot */ - flags = DMA_TASK_32B_ADDR_FLAGS_FLSH_FMASK; - /* lock: 0 = don't lock endpoint; unlock: 0 = don't unlock */ - - cmd_payload = ipa_cmd_payload_alloc(ipa, &payload_addr); - payload = &cmd_payload->dma_task_32b_addr; - - payload->flags = cpu_to_le16(flags); - payload->size = cpu_to_le16(size); - payload->addr = cpu_to_le32((u32)addr); - payload->packet_size = cpu_to_le16(size); - - gsi_trans_cmd_add(trans, payload, sizeof(*payload), payload_addr, - direction, opcode); -} - /* Use a DMA command to read or write a block of IPA-resident memory */ void ipa_cmd_dma_shared_mem_add(struct gsi_trans *trans, u32 offset, u16 size, dma_addr_t addr, bool toward_ipa) |