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Commit 3d29a3e0 authored by Kalle Valo's avatar Kalle Valo
Browse files

ath10k: add ath10k_pci_diag_* helpers 



ath10k_pci_diag_read32() is for reading u32 from a device and ath10k_pci_diag_read_hi()
is a helper for reading data using "host interest" table.

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 7a7b3732

drivers/net/wireless/ath/ath10k/pci.c

+38 −17
Original line number Diff line number Diff line
@@ -460,13 +460,46 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, 
	return ret;

}



static int ath10k_pci_diag_read32(struct ath10k *ar, u32 address, u32 *value)

{

	return ath10k_pci_diag_read_mem(ar, address, value, sizeof(u32));

}



static int __ath10k_pci_diag_read_hi(struct ath10k *ar, void *dest,

				     u32 src, u32 len)

{

	u32 host_addr, addr;

	int ret;



	host_addr = host_interest_item_address(src);



	ret = ath10k_pci_diag_read32(ar, host_addr, &addr);

	if (ret != 0) {

		ath10k_warn("failed to get memcpy hi address for firmware address %d: %d\n",

			    src, ret);

		return ret;

	}



	ret = ath10k_pci_diag_read_mem(ar, addr, dest, len);

	if (ret != 0) {

		ath10k_warn("failed to memcpy firmware memory from %d (%d B): %d\n",

			    addr, len, ret);

		return ret;

	}



	return 0;

}



#define ath10k_pci_diag_read_hi(ar, dest, src, len)		\

	__ath10k_pci_diag_read_hi(ar, dest, HI_ITEM(src), len);



/* Read 4-byte aligned data from Target memory or register */

static int ath10k_pci_diag_read_access(struct ath10k *ar, u32 address,

				       u32 *data)

{

	/* Assume range doesn't cross this boundary */

	if (address >= DRAM_BASE_ADDRESS)

		return ath10k_pci_diag_read_mem(ar, address, data, sizeof(u32));

		return ath10k_pci_diag_read32(ar, address, data);



	*data = ath10k_pci_read32(ar, address);

	return 0;
@@ -801,9 +834,7 @@ static u16 ath10k_pci_hif_get_free_queue_number(struct ath10k *ar, u8 pipe) 


static void ath10k_pci_hif_dump_area(struct ath10k *ar)

{

	u32 reg_dump_area = 0;

	u32 reg_dump_values[REG_DUMP_COUNT_QCA988X] = {};

	u32 host_addr;

	int ret;

	u32 i;
@@ -812,21 +843,11 @@ static void ath10k_pci_hif_dump_area(struct ath10k *ar) 
		   ar->hw_params.name, ar->target_version);

	ath10k_err("firmware version: %s\n", ar->hw->wiphy->fw_version);



	host_addr = host_interest_item_address(HI_ITEM(hi_failure_state));

	ret = ath10k_pci_diag_read_mem(ar, host_addr,

				       &reg_dump_area, sizeof(u32));

	if (ret) {

		ath10k_err("failed to read FW dump area address: %d\n", ret);

		return;

	}



	ath10k_err("target register Dump Location: 0x%08X\n", reg_dump_area);



	ret = ath10k_pci_diag_read_mem(ar, reg_dump_area,

				       &reg_dump_values[0],

	ret = ath10k_pci_diag_read_hi(ar, &reg_dump_values[0],

				      hi_failure_state,

				      REG_DUMP_COUNT_QCA988X * sizeof(u32));

	if (ret != 0) {

		ath10k_err("failed to read FW dump area: %d\n", ret);

	if (ret) {

		ath10k_err("failed to read firmware dump area: %d\n", ret);

		return;

	}