1 files changed, 54 insertions, 85 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
index 8a40801cf0dd..5232f66c2d52 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
@@ -14,8 +14,8 @@
 #include "iwl-fh.h"
 #include <linux/dmapool.h>
 #include "fw/api/commands.h"
-#include "pcie/internal.h"
-#include "iwl-context-info-v2.h"
+#include "pcie/gen1_2/internal.h"
+#include "pcie/iwl-context-info-v2.h"
 
 struct iwl_trans_dev_restart_data {
 	struct list_head list;
@@ -293,48 +293,9 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
 	return trans;
 }
 
-int iwl_trans_init(struct iwl_trans *trans)
-{
-	int txcmd_size, txcmd_align;
-
-	/* check if name/num_rx_queues were set as a proxy for info being set */
-	if (WARN_ON(!trans->info.name || !trans->info.num_rxqs))
-		return -EINVAL;
-
-	if (!trans->mac_cfg->gen2) {
-		txcmd_size = sizeof(struct iwl_tx_cmd_v6);
-		txcmd_align = sizeof(void *);
-	} else if (trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_AX210) {
-		txcmd_size = sizeof(struct iwl_tx_cmd_v9);
-		txcmd_align = 64;
-	} else {
-		txcmd_size = sizeof(struct iwl_tx_cmd);
-		txcmd_align = 128;
-	}
-
-	txcmd_size += sizeof(struct iwl_cmd_header);
-	txcmd_size += 36; /* biggest possible 802.11 header */
-
-	/* Ensure device TX cmd cannot reach/cross a page boundary in gen2 */
-	if (WARN_ON(trans->mac_cfg->gen2 && txcmd_size >= txcmd_align))
-		return -EINVAL;
-
-	snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name),
-		 "iwl_cmd_pool:%s", dev_name(trans->dev));
-	trans->dev_cmd_pool =
-		kmem_cache_create(trans->dev_cmd_pool_name,
-				  txcmd_size, txcmd_align,
-				  SLAB_HWCACHE_ALIGN, NULL);
-	if (!trans->dev_cmd_pool)
-		return -ENOMEM;
-
-	return 0;
-}
-
 void iwl_trans_free(struct iwl_trans *trans)
 {
 	cancel_delayed_work_sync(&trans->restart.wk);
-	kmem_cache_destroy(trans->dev_cmd_pool);
 }
 
 int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
@@ -345,9 +306,6 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 		     test_bit(STATUS_RFKILL_OPMODE, &trans->status)))
 		return -ERFKILL;
 
-	if (unlikely(test_bit(STATUS_SUSPENDED, &trans->status)))
-		return -EHOSTDOWN;
-
 	if (unlikely(test_bit(STATUS_FW_ERROR, &trans->status)))
 		return -EIO;
 
@@ -375,6 +333,19 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 }
 IWL_EXPORT_SYMBOL(iwl_trans_send_cmd);
 
+struct iwl_device_tx_cmd *iwl_trans_alloc_tx_cmd(struct iwl_trans *trans)
+{
+	return iwl_pcie_gen1_2_alloc_tx_cmd(trans);
+}
+IWL_EXPORT_SYMBOL(iwl_trans_alloc_tx_cmd);
+
+void iwl_trans_free_tx_cmd(struct iwl_trans *trans,
+			   struct iwl_device_tx_cmd *dev_cmd)
+{
+	iwl_pcie_gen1_2_free_tx_cmd(trans, dev_cmd);
+}
+IWL_EXPORT_SYMBOL(iwl_trans_free_tx_cmd);
+
 /* Comparator for struct iwl_hcmd_names.
  * Used in the binary search over a list of host commands.
  *
@@ -426,7 +397,7 @@ void iwl_trans_op_mode_enter(struct iwl_trans *trans,
 
 	WARN_ON_ONCE(!trans->conf.rx_mpdu_cmd);
 
-	iwl_trans_pcie_op_mode_enter(trans);
+	iwl_pcie_gen1_2_op_mode_enter(trans);
 }
 IWL_EXPORT_SYMBOL(iwl_trans_op_mode_enter);
 
@@ -435,8 +406,6 @@ int iwl_trans_start_hw(struct iwl_trans *trans)
 	might_sleep();
 
 	clear_bit(STATUS_TRANS_RESET_IN_PROGRESS, &trans->status);
-	/* opmode may not resume if it detects errors */
-	clear_bit(STATUS_SUSPENDED, &trans->status);
 
 	return iwl_trans_pcie_start_hw(trans);
 }
@@ -446,7 +415,10 @@ void iwl_trans_op_mode_leave(struct iwl_trans *trans)
 {
 	might_sleep();
 
-	iwl_trans_pcie_op_mode_leave(trans);
+	if (trans->mac_cfg->gen2)
+		iwl_trans_pcie_gen2_op_mode_leave(trans);
+	else
+		iwl_trans_pcie_op_mode_leave(trans);
 
 	cancel_delayed_work_sync(&trans->restart.wk);
 
@@ -461,31 +433,26 @@ void iwl_trans_write8(struct iwl_trans *trans, u32 ofs, u8 val)
 {
 	iwl_trans_pcie_write8(trans, ofs, val);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_write8);
 
 void iwl_trans_write32(struct iwl_trans *trans, u32 ofs, u32 val)
 {
 	iwl_trans_pcie_write32(trans, ofs, val);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_write32);
 
 u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs)
 {
 	return iwl_trans_pcie_read32(trans, ofs);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_read32);
 
 u32 iwl_trans_read_prph(struct iwl_trans *trans, u32 ofs)
 {
 	return iwl_trans_pcie_read_prph(trans, ofs);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_read_prph);
 
 void iwl_trans_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
 {
 	return iwl_trans_pcie_write_prph(trans, ofs, val);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_write_prph);
 
 int iwl_trans_read_mem(struct iwl_trans *trans, u32 addr,
 		       void *buf, int dwords)
@@ -497,7 +464,19 @@ IWL_EXPORT_SYMBOL(iwl_trans_read_mem);
 int iwl_trans_write_mem(struct iwl_trans *trans, u32 addr,
 			const void *buf, int dwords)
 {
-	return iwl_trans_pcie_write_mem(trans, addr, buf, dwords);
+	int offs, ret = 0;
+	const u32 *vals = buf;
+
+	if (iwl_trans_grab_nic_access(trans)) {
+		iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr);
+		for (offs = 0; offs < dwords; offs++)
+			iwl_write32(trans, HBUS_TARG_MEM_WDAT,
+				    vals ? vals[offs] : 0);
+		iwl_trans_release_nic_access(trans);
+	} else {
+		ret = -EBUSY;
+	}
+	return ret;
 }
 IWL_EXPORT_SYMBOL(iwl_trans_write_mem);
 
@@ -510,11 +489,10 @@ void iwl_trans_set_pmi(struct iwl_trans *trans, bool state)
 }
 IWL_EXPORT_SYMBOL(iwl_trans_set_pmi);
 
-int iwl_trans_sw_reset(struct iwl_trans *trans, bool retake_ownership)
+int iwl_trans_sw_reset(struct iwl_trans *trans)
 {
-	return iwl_trans_pcie_sw_reset(trans, retake_ownership);
+	return iwl_trans_pcie_sw_reset(trans, true);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_sw_reset);
 
 struct iwl_trans_dump_data *
 iwl_trans_dump_data(struct iwl_trans *trans, u32 dump_mask,
@@ -524,35 +502,20 @@ iwl_trans_dump_data(struct iwl_trans *trans, u32 dump_mask,
 	return iwl_trans_pcie_dump_data(trans, dump_mask,
 					sanitize_ops, sanitize_ctx);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_dump_data);
 
-int iwl_trans_d3_suspend(struct iwl_trans *trans, bool test, bool reset)
+int iwl_trans_d3_suspend(struct iwl_trans *trans, bool reset)
 {
-	int err;
-
 	might_sleep();
 
-	err = iwl_trans_pcie_d3_suspend(trans, test, reset);
-
-	if (!err)
-		set_bit(STATUS_SUSPENDED, &trans->status);
-
-	return err;
+	return iwl_trans_pcie_d3_suspend(trans, reset);
 }
 IWL_EXPORT_SYMBOL(iwl_trans_d3_suspend);
 
-int iwl_trans_d3_resume(struct iwl_trans *trans, enum iwl_d3_status *status,
-			bool test, bool reset)
+int iwl_trans_d3_resume(struct iwl_trans *trans, bool reset)
 {
-	int err;
-
 	might_sleep();
 
-	err = iwl_trans_pcie_d3_resume(trans, status, test, reset);
-
-	clear_bit(STATUS_SUSPENDED, &trans->status);
-
-	return err;
+	return iwl_trans_pcie_d3_resume(trans, reset);
 }
 IWL_EXPORT_SYMBOL(iwl_trans_d3_resume);
 
@@ -560,20 +523,17 @@ void iwl_trans_interrupts(struct iwl_trans *trans, bool enable)
 {
 	iwl_trans_pci_interrupts(trans, enable);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_interrupts);
 
 void iwl_trans_sync_nmi(struct iwl_trans *trans)
 {
 	iwl_trans_pcie_sync_nmi(trans);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_sync_nmi);
 
 int iwl_trans_write_imr_mem(struct iwl_trans *trans, u32 dst_addr,
 			    u64 src_addr, u32 byte_cnt)
 {
 	return iwl_trans_pcie_copy_imr(trans, dst_addr, src_addr, byte_cnt);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_write_imr_mem);
 
 void iwl_trans_set_bits_mask(struct iwl_trans *trans, u32 reg,
 			     u32 mask, u32 value)
@@ -587,7 +547,6 @@ int iwl_trans_read_config32(struct iwl_trans *trans, u32 ofs,
 {
 	return iwl_trans_pcie_read_config32(trans, ofs, val);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_read_config32);
 
 bool _iwl_trans_grab_nic_access(struct iwl_trans *trans)
 {
@@ -783,7 +742,6 @@ void iwl_trans_debugfs_cleanup(struct iwl_trans *trans)
 {
 	iwl_trans_pcie_debugfs_cleanup(trans);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_debugfs_cleanup);
 #endif
 
 void iwl_trans_set_q_ptrs(struct iwl_trans *trans, int queue, int ptr)
@@ -821,7 +779,6 @@ int iwl_trans_get_rxq_dma_data(struct iwl_trans *trans, int queue,
 {
 	return iwl_trans_pcie_rxq_dma_data(trans, queue, data);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_get_rxq_dma_data);
 
 int iwl_trans_load_pnvm(struct iwl_trans *trans,
 			const struct iwl_pnvm_image *pnvm_data,
@@ -836,7 +793,6 @@ void iwl_trans_set_pnvm(struct iwl_trans *trans,
 {
 	iwl_trans_pcie_ctx_info_v2_set_pnvm(trans, capa);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_set_pnvm);
 
 int iwl_trans_load_reduce_power(struct iwl_trans *trans,
 				const struct iwl_pnvm_image *payloads,
@@ -845,11 +801,24 @@ int iwl_trans_load_reduce_power(struct iwl_trans *trans,
 	return iwl_trans_pcie_ctx_info_v2_load_reduce_power(trans, payloads,
 							      capa);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_load_reduce_power);
 
 void iwl_trans_set_reduce_power(struct iwl_trans *trans,
 				const struct iwl_ucode_capabilities *capa)
 {
 	iwl_trans_pcie_ctx_info_v2_set_reduce_power(trans, capa);
 }
-IWL_EXPORT_SYMBOL(iwl_trans_set_reduce_power);
+
+bool iwl_trans_is_pm_supported(struct iwl_trans *trans)
+{
+	if (WARN_ON(trans->mac_cfg->gen2))
+		return false;
+
+	return iwl_pcie_gen1_is_pm_supported(trans);
+}
+IWL_EXPORT_SYMBOL(iwl_trans_is_pm_supported);
+
+bool iwl_trans_is_ltr_enabled(struct iwl_trans *trans)
+{
+	return iwl_pcie_gen1_2_is_ltr_enabled(trans);
+}
+IWL_EXPORT_SYMBOL(iwl_trans_is_ltr_enabled);