diff options
Diffstat (limited to 'drivers/staging/csr/init_hw.c')
-rw-r--r-- | drivers/staging/csr/init_hw.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/staging/csr/init_hw.c b/drivers/staging/csr/init_hw.c deleted file mode 100644 index 3b8a4ba..0000000 --- a/drivers/staging/csr/init_hw.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * --------------------------------------------------------------------------- - * FILE: init_hw.c - * - * PURPOSE: - * Use the HIP core lib to initialise the UniFi chip. - * It is part of the porting exercise in Linux. - * - * Copyright (C) 2009 by Cambridge Silicon Radio Ltd. - * - * Refer to LICENSE.txt included with this source code for details on - * the license terms. - * - * --------------------------------------------------------------------------- - */ -#include "csr_wifi_hip_unifi.h" -#include "unifi_priv.h" - - -#define MAX_INIT_ATTEMPTS 4 - -extern int led_mask; - - -/* - * --------------------------------------------------------------------------- - * uf_init_hw - * - * Resets hardware, downloads and initialises f/w. - * This function demonstrates how to use the HIP core lib API - * to implement the SME unifi_sys_wifi_on_req() part of the SYS API. - * - * In a simple implementation, all this function needs to do is call - * unifi_init_card() and then unifi_card_info(). - * In the Linux implementation, it will retry to initialise UniFi or - * try to debug the reasons if unifi_init_card() returns an error. - * - * Arguments: - * ospriv Pointer to OS driver structure for the device. - * - * Returns: - * O on success, non-zero otherwise. - * - * --------------------------------------------------------------------------- - */ -int -uf_init_hw(unifi_priv_t *priv) -{ - int attempts = 0; - int priv_instance; - CsrResult csrResult = CSR_RESULT_FAILURE; - - priv_instance = uf_find_priv(priv); - if (priv_instance == -1) { - unifi_warning(priv, "uf_init_hw: Unknown priv instance, will use fw_init[0]\n"); - priv_instance = 0; - } - - while (1) { - if (attempts > MAX_INIT_ATTEMPTS) { - unifi_error(priv, "Failed to initialise UniFi after %d attempts, " - "giving up.\n", - attempts); - break; - } - attempts++; - - unifi_info(priv, "Initialising UniFi, attempt %d\n", attempts); - - if (fw_init[priv_instance] > 0) { - unifi_notice(priv, "f/w init prevented by module parameter\n"); - break; - } else if (fw_init[priv_instance] == 0) { - fw_init[priv_instance] ++; - } - - /* - * Initialise driver core. This will perform a reset of UniFi - * internals, but not the SDIO CCCR. - */ - CsrSdioClaim(priv->sdio); - csrResult = unifi_init_card(priv->card, led_mask); - CsrSdioRelease(priv->sdio); - - if (csrResult == CSR_WIFI_HIP_RESULT_NO_DEVICE) { - return CsrHipResultToStatus(csrResult); - } - if (csrResult == CSR_WIFI_HIP_RESULT_NOT_FOUND) { - unifi_error(priv, "Firmware file required, but not found.\n"); - return CsrHipResultToStatus(csrResult); - } - if (csrResult != CSR_RESULT_SUCCESS) { - /* failed. Reset h/w and try again */ - unifi_error(priv, "Failed to initialise UniFi chip.\n"); - continue; - } - - /* Get the version information from the lib_hip */ - unifi_card_info(priv->card, &priv->card_info); - - return CsrHipResultToStatus(csrResult); - } - - return CsrHipResultToStatus(csrResult); - -} /* uf_init_hw */ - - |