iwlwifi-5000: add apm_init handler for 5000 HW family
This patch adds apm_init handler for 5000 HW family
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 3dd0b12..32c591c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,6 +46,46 @@
#define IWL5000_UCODE_API "-1"
+static int iwl5000_apm_init(struct iwl_priv *priv)
+{
+ int ret = 0;
+
+ iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+ CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
+
+ iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
+
+ /* set "initialization complete" bit to move adapter
+ * D0U* --> D0A* state */
+ iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+
+ /* wait for clock stabilization */
+ ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ if (ret < 0) {
+ IWL_DEBUG_INFO("Failed to init the card\n");
+ return ret;
+ }
+
+ ret = iwl_grab_nic_access(priv);
+ if (ret)
+ return ret;
+
+ /* enable DMA */
+ iwl_write_prph(priv, APMG_CLK_EN_REG,
+ APMG_CLK_VAL_DMA_CLK_RQT);
+
+ udelay(20);
+
+ iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
+ APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+
+ iwl_release_nic_access(priv);
+
+ return ret;
+}
+
static struct iwl_hcmd_ops iwl5000_hcmd = {
};
@@ -53,6 +93,9 @@
};
static struct iwl_lib_ops iwl5000_lib = {
+ .apm_ops = {
+ .init = iwl5000_apm_init,
+ },
.eeprom_ops = {
.verify_signature = iwlcore_eeprom_verify_signature,
.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,