drivers/net/wireless/intel/iwlwifi/dvm/devices.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/intel/iwlwifi/dvm/devices.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/intel/iwlwifi/dvm/devices.c
Extension
.c
Size
19117 bytes
Lines
676
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

else if (base_low < addon_low) {
		res += interval + base_low - addon_low;
		res += (1 << IWLAGN_EXT_BEACON_TIME_POS);
	} else
		res += (1 << IWLAGN_EXT_BEACON_TIME_POS);

	return cpu_to_le32(res);
}

static const struct iwl_sensitivity_ranges iwl1000_sensitivity = {
	.min_nrg_cck = 95,
	.auto_corr_min_ofdm = 90,
	.auto_corr_min_ofdm_mrc = 170,
	.auto_corr_min_ofdm_x1 = 120,
	.auto_corr_min_ofdm_mrc_x1 = 240,

	.auto_corr_max_ofdm = 120,
	.auto_corr_max_ofdm_mrc = 210,
	.auto_corr_max_ofdm_x1 = 155,
	.auto_corr_max_ofdm_mrc_x1 = 290,

	.auto_corr_min_cck = 125,
	.auto_corr_max_cck = 200,
	.auto_corr_min_cck_mrc = 170,
	.auto_corr_max_cck_mrc = 400,
	.nrg_th_cck = 95,
	.nrg_th_ofdm = 95,

	.barker_corr_th_min = 190,
	.barker_corr_th_min_mrc = 390,
	.nrg_th_cca = 62,
};

static void iwl1000_hw_set_hw_params(struct iwl_priv *priv)
{
	iwl1000_set_ct_threshold(priv);

	/* Set initial sensitivity parameters */
	priv->hw_params.sens = &iwl1000_sensitivity;
}

const struct iwl_dvm_cfg iwl_dvm_1000_cfg = {
	.set_hw_params = iwl1000_hw_set_hw_params,
	.nic_config = iwl1000_nic_config,
	.temperature = iwlagn_temperature,
	.support_ct_kill_exit = true,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
	.chain_noise_scale = 1000,
};


/*
 * 2000 series
 * ===========
 */

static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
{
	/* want Celsius */
	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}

/* NIC configuration for 2000 series */
static void iwl2000_nic_config(struct iwl_priv *priv)
{
	iwl_set_bit(priv->trans, CSR_GP_DRIVER_REG,
		    CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
}

static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
	.min_nrg_cck = 97,
	.auto_corr_min_ofdm = 80,
	.auto_corr_min_ofdm_mrc = 128,
	.auto_corr_min_ofdm_x1 = 105,
	.auto_corr_min_ofdm_mrc_x1 = 192,

	.auto_corr_max_ofdm = 145,
	.auto_corr_max_ofdm_mrc = 232,
	.auto_corr_max_ofdm_x1 = 110,
	.auto_corr_max_ofdm_mrc_x1 = 232,

	.auto_corr_min_cck = 125,
	.auto_corr_max_cck = 175,
	.auto_corr_min_cck_mrc = 160,
	.auto_corr_max_cck_mrc = 310,
	.nrg_th_cck = 97,
	.nrg_th_ofdm = 100,

	.barker_corr_th_min = 190,

Annotation

Implementation Notes