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Commit c2cb4675 authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Add module parameter to support different BDF types 



Add module parameter bdf_type so that different kinds of board
data files can be runtime selected to download.

Change-Id: I8947fb8191f0d6b99f95f8b7fda3836185027528
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent cbfc0b35

drivers/net/wireless/cnss2/qmi.c

+41 −22
Original line number Diff line number Diff line
@@ -23,8 +23,17 @@ 
#define WLFW_SERVICE_INS_ID_V01		1

#define WLFW_CLIENT_ID			0x4b4e454c

#define MAX_BDF_FILE_NAME		11

#define DEFAULT_BDF_FILE_NAME		"bdwlan.elf"

#define BDF_FILE_NAME_PREFIX		"bdwlan.e"

#define ELF_BDF_FILE_NAME		"bdwlan.elf"

#define ELF_BDF_FILE_NAME_PREFIX	"bdwlan.e"

#define BIN_BDF_FILE_NAME		"bdwlan.bin"

#define BIN_BDF_FILE_NAME_PREFIX	"bdwlan.b"

#define DUMMY_BDF_FILE_NAME		"bdwlan.dmy"



enum cnss_bdf_type {

	CNSS_BDF_BIN,

	CNSS_BDF_ELF,

	CNSS_BDF_DUMMY = 255,

};



#ifdef CONFIG_CNSS2_DEBUG

static unsigned int qmi_timeout = 10000;
@@ -40,17 +49,12 @@ static bool daemon_support; 
module_param(daemon_support, bool, 0600);

MODULE_PARM_DESC(daemon_support, "User space has cnss-daemon support or not");



static bool bdf_bypass;

static unsigned int bdf_type = CNSS_BDF_ELF;

#ifdef CONFIG_CNSS2_DEBUG

module_param(bdf_bypass, bool, 0600);

MODULE_PARM_DESC(bdf_bypass, "If BDF is not found, send dummy BDF to FW");

module_param(bdf_type, uint, 0600);

MODULE_PARM_DESC(bdf_type, "Type of board data file to be downloaded");

#endif



enum cnss_bdf_type {

	CNSS_BDF_BIN,

	CNSS_BDF_ELF,

};



static char *cnss_qmi_mode_to_str(enum cnss_driver_mode mode)

{

	switch (mode) {
@@ -515,18 +519,33 @@ int cnss_wlfw_bdf_dnld_send_sync(struct cnss_plat_data *plat_priv) 
		goto out;

	}



	switch (bdf_type) {

	case CNSS_BDF_ELF:

		if (plat_priv->board_info.board_id == 0xFF)

		snprintf(filename, sizeof(filename), DEFAULT_BDF_FILE_NAME);

			snprintf(filename, sizeof(filename), ELF_BDF_FILE_NAME);

		else

			snprintf(filename, sizeof(filename),

			 BDF_FILE_NAME_PREFIX "%02x",

				 ELF_BDF_FILE_NAME_PREFIX "%02x",

				 plat_priv->board_info.board_id);



	if (bdf_bypass) {

		cnss_pr_info("bdf_bypass is enabled, sending dummy BDF\n");

		temp = filename;

		break;

	case CNSS_BDF_BIN:

		if (plat_priv->board_info.board_id == 0xFF)

			snprintf(filename, sizeof(filename), BIN_BDF_FILE_NAME);

		else

			snprintf(filename, sizeof(filename),

				 BIN_BDF_FILE_NAME_PREFIX "%02x",

				 plat_priv->board_info.board_id);

		break;

	case CNSS_BDF_DUMMY:

		cnss_pr_dbg("CNSS_BDF_DUMMY is set, sending dummy BDF\n");

		snprintf(filename, sizeof(filename), DUMMY_BDF_FILE_NAME);

		temp = DUMMY_BDF_FILE_NAME;

		remaining = MAX_BDF_FILE_NAME;

		goto bypass_bdf;

	default:

		cnss_pr_err("Invalid BDF type: %d\n", bdf_type);

		ret = -EINVAL;

		goto err_req_fw;

	}



	ret = request_firmware(&fw_entry, filename, &plat_priv->plat_dev->dev);
@@ -561,7 +580,7 @@ int cnss_wlfw_bdf_dnld_send_sync(struct cnss_plat_data *plat_priv) 
		req->data_valid = 1;

		req->end_valid = 1;

		req->bdf_type_valid = 1;

		req->bdf_type = CNSS_BDF_ELF;

		req->bdf_type = bdf_type;



		if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) {

			req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01;
@@ -594,7 +613,7 @@ int cnss_wlfw_bdf_dnld_send_sync(struct cnss_plat_data *plat_priv) 
	}



err_send:

	if (!bdf_bypass)

	if (bdf_type != CNSS_BDF_DUMMY)

		release_firmware(fw_entry);

err_req_fw:

	kfree(req);