drivers/net/wireless/ath/ath10k/hw.c - arm/linux - Git at Google

 /*
  * Copyright (c) 2014-2015 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #include <linux/types.h>
 #include "core.h"
 #include "hw.h"

 const struct ath10k_hw_regs qca988x_regs = {
 	.rtc_soc_base_address		= 0x00004000,
 	.rtc_wmac_base_address		= 0x00005000,
 	.soc_core_base_address		= 0x00009000,
 	.ce_wrapper_base_address	= 0x00057000,
 	.ce0_base_address		= 0x00057400,
 	.ce1_base_address		= 0x00057800,
 	.ce2_base_address		= 0x00057c00,
 	.ce3_base_address		= 0x00058000,
 	.ce4_base_address		= 0x00058400,
 	.ce5_base_address		= 0x00058800,
 	.ce6_base_address		= 0x00058c00,
 	.ce7_base_address		= 0x00059000,
 	.soc_reset_control_si0_rst_mask	= 0x00000001,
 	.soc_reset_control_ce_rst_mask	= 0x00040000,
 	.soc_chip_id_address		= 0x000000ec,
 	.scratch_3_address		= 0x00000030,
 	.fw_indicator_address		= 0x00009030,
 	.pcie_local_base_address	= 0x00080000,
 	.ce_wrap_intr_sum_host_msi_lsb	= 0x00000008,
 	.ce_wrap_intr_sum_host_msi_mask	= 0x0000ff00,
 	.pcie_intr_fw_mask		= 0x00000400,
 	.pcie_intr_ce_mask_all		= 0x0007f800,
 	.pcie_intr_clr_address		= 0x00000014,
 };

 const struct ath10k_hw_regs qca6174_regs = {
 	.rtc_soc_base_address			= 0x00000800,
 	.rtc_wmac_base_address			= 0x00001000,
 	.soc_core_base_address			= 0x0003a000,
 	.ce_wrapper_base_address		= 0x00034000,
 	.ce0_base_address			= 0x00034400,
 	.ce1_base_address			= 0x00034800,
 	.ce2_base_address			= 0x00034c00,
 	.ce3_base_address			= 0x00035000,
 	.ce4_base_address			= 0x00035400,
 	.ce5_base_address			= 0x00035800,
 	.ce6_base_address			= 0x00035c00,
 	.ce7_base_address			= 0x00036000,
 	.soc_reset_control_si0_rst_mask		= 0x00000000,
 	.soc_reset_control_ce_rst_mask		= 0x00000001,
 	.soc_chip_id_address			= 0x000000f0,
 	.scratch_3_address			= 0x00000028,
 	.fw_indicator_address			= 0x0003a028,
 	.pcie_local_base_address		= 0x00080000,
 	.ce_wrap_intr_sum_host_msi_lsb		= 0x00000008,
 	.ce_wrap_intr_sum_host_msi_mask		= 0x0000ff00,
 	.pcie_intr_fw_mask			= 0x00000400,
 	.pcie_intr_ce_mask_all			= 0x0007f800,
 	.pcie_intr_clr_address			= 0x00000014,
 };

 const struct ath10k_hw_regs qca99x0_regs = {
 	.rtc_soc_base_address			= 0x00080000,
 	.rtc_wmac_base_address			= 0x00000000,
 	.soc_core_base_address			= 0x00082000,
 	.ce_wrapper_base_address		= 0x0004d000,
 	.ce0_base_address			= 0x0004a000,
 	.ce1_base_address			= 0x0004a400,
 	.ce2_base_address			= 0x0004a800,
 	.ce3_base_address			= 0x0004ac00,
 	.ce4_base_address			= 0x0004b000,
 	.ce5_base_address			= 0x0004b400,
 	.ce6_base_address			= 0x0004b800,
 	.ce7_base_address			= 0x0004bc00,
 	/* Note: qca99x0 supports upto 12 Copy Engines. Other than address of
 	 * CE0 and CE1 no other copy engine is directly referred in the code.
 	 * It is not really necessary to assign address for newly supported
 	 * CEs in this address table.
 	 *	Copy Engine		Address
 	 *	CE8			0x0004c000
 	 *	CE9			0x0004c400
 	 *	CE10			0x0004c800
 	 *	CE11			0x0004cc00
 	 */
 	.soc_reset_control_si0_rst_mask		= 0x00000001,
 	.soc_reset_control_ce_rst_mask		= 0x00000100,
 	.soc_chip_id_address			= 0x000000ec,
 	.scratch_3_address			= 0x00040050,
 	.fw_indicator_address			= 0x00040050,
 	.pcie_local_base_address		= 0x00000000,
 	.ce_wrap_intr_sum_host_msi_lsb		= 0x0000000c,
 	.ce_wrap_intr_sum_host_msi_mask		= 0x00fff000,
 	.pcie_intr_fw_mask			= 0x00100000,
 	.pcie_intr_ce_mask_all			= 0x000fff00,
 	.pcie_intr_clr_address			= 0x00000010,
 };

 const struct ath10k_hw_regs qca4019_regs = {
 	.rtc_soc_base_address                   = 0x00080000,
 	.soc_core_base_address                  = 0x00082000,
 	.ce_wrapper_base_address                = 0x0004d000,
 	.ce0_base_address                       = 0x0004a000,
 	.ce1_base_address                       = 0x0004a400,
 	.ce2_base_address                       = 0x0004a800,
 	.ce3_base_address                       = 0x0004ac00,
 	.ce4_base_address                       = 0x0004b000,
 	.ce5_base_address                       = 0x0004b400,
 	.ce6_base_address                       = 0x0004b800,
 	.ce7_base_address                       = 0x0004bc00,
 	/* qca4019 supports upto 12 copy engines. Since base address
 	 * of ce8 to ce11 are not directly referred in the code,
 	 * no need have them in separate members in this table.
 	 *      Copy Engine             Address
 	 *      CE8                     0x0004c000
 	 *      CE9                     0x0004c400
 	 *      CE10                    0x0004c800
 	 *      CE11                    0x0004cc00
 	 */
 	.soc_reset_control_si0_rst_mask         = 0x00000001,
 	.soc_reset_control_ce_rst_mask          = 0x00000100,
 	.soc_chip_id_address                    = 0x000000ec,
 	.fw_indicator_address                   = 0x0004f00c,
 	.ce_wrap_intr_sum_host_msi_lsb          = 0x0000000c,
 	.ce_wrap_intr_sum_host_msi_mask         = 0x00fff000,
 	.pcie_intr_fw_mask                      = 0x00100000,
 	.pcie_intr_ce_mask_all                  = 0x000fff00,
 	.pcie_intr_clr_address                  = 0x00000010,
 };

 const struct ath10k_hw_values qca988x_values = {
 	.rtc_state_val_on		= 3,
 	.ce_count			= 8,
 	.msi_assign_ce_max		= 7,
 	.num_target_ce_config_wlan	= 7,
 	.ce_desc_meta_data_mask		= 0xFFFC,
 	.ce_desc_meta_data_lsb		= 2,
 };

 const struct ath10k_hw_values qca6174_values = {
 	.rtc_state_val_on		= 3,
 	.ce_count			= 8,
 	.msi_assign_ce_max		= 7,
 	.num_target_ce_config_wlan	= 7,
 	.ce_desc_meta_data_mask		= 0xFFFC,
 	.ce_desc_meta_data_lsb		= 2,
 };

 const struct ath10k_hw_values qca99x0_values = {
 	.rtc_state_val_on		= 5,
 	.ce_count			= 12,
 	.msi_assign_ce_max		= 12,
 	.num_target_ce_config_wlan	= 10,
 	.ce_desc_meta_data_mask		= 0xFFF0,
 	.ce_desc_meta_data_lsb		= 4,
 };

 const struct ath10k_hw_values qca9888_values = {
 	.rtc_state_val_on		= 3,
 	.ce_count			= 12,
 	.msi_assign_ce_max		= 12,
 	.num_target_ce_config_wlan	= 10,
 	.ce_desc_meta_data_mask		= 0xFFF0,
 	.ce_desc_meta_data_lsb		= 4,
 };

 const struct ath10k_hw_values qca4019_values = {
 	.ce_count                       = 12,
 	.num_target_ce_config_wlan      = 10,
 	.ce_desc_meta_data_mask         = 0xFFF0,
 	.ce_desc_meta_data_lsb          = 4,
 };

 void ath10k_hw_fill_survey_time(struct ath10k *ar, struct survey_info *survey,
 				u32 cc, u32 rcc, u32 cc_prev, u32 rcc_prev)
 {
 	u32 cc_fix = 0;
 	u32 rcc_fix = 0;
 	enum ath10k_hw_cc_wraparound_type wraparound_type;

 	survey->filled |= SURVEY_INFO_TIME |
 			  SURVEY_INFO_TIME_BUSY;

 	wraparound_type = ar->hw_params.cc_wraparound_type;

 	if (cc < cc_prev || rcc < rcc_prev) {
 		switch (wraparound_type) {
 		case ATH10K_HW_CC_WRAP_SHIFTED_ALL:
 			if (cc < cc_prev) {
 				cc_fix = 0x7fffffff;
 				survey->filled &= ~SURVEY_INFO_TIME_BUSY;
 			}
 			break;
 		case ATH10K_HW_CC_WRAP_SHIFTED_EACH:
 			if (cc < cc_prev)
 				cc_fix = 0x7fffffff;

 			if (rcc < rcc_prev)
 				rcc_fix = 0x7fffffff;
 			break;
 		case ATH10K_HW_CC_WRAP_DISABLED:
 			break;
 		}
 	}

 	cc -= cc_prev - cc_fix;
 	rcc -= rcc_prev - rcc_fix;

 	survey->time = CCNT_TO_MSEC(ar, cc);
 	survey->time_busy = CCNT_TO_MSEC(ar, rcc);
 }

 const struct ath10k_hw_ops qca988x_ops = {
 };

 static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd)
 {
 	return MS(__le32_to_cpu(rxd->msdu_end.qca99x0.info1),
 		  RX_MSDU_END_INFO1_L3_HDR_PAD);
 }

 const struct ath10k_hw_ops qca99x0_ops = {
 	.rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes,
 };
	/*
	* Copyright (c) 2014-2015 Qualcomm Atheros, Inc.
	*
	* Permission to use, copy, modify, and/or distribute this software for any
	* purpose with or without fee is hereby granted, provided that the above
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#include <linux/types.h>
	#include "core.h"
	#include "hw.h"

	const struct ath10k_hw_regs qca988x_regs = {
	.rtc_soc_base_address = 0x00004000,
	.rtc_wmac_base_address = 0x00005000,
	.soc_core_base_address = 0x00009000,
	.ce_wrapper_base_address = 0x00057000,
	.ce0_base_address = 0x00057400,
	.ce1_base_address = 0x00057800,
	.ce2_base_address = 0x00057c00,
	.ce3_base_address = 0x00058000,
	.ce4_base_address = 0x00058400,
	.ce5_base_address = 0x00058800,
	.ce6_base_address = 0x00058c00,
	.ce7_base_address = 0x00059000,
	.soc_reset_control_si0_rst_mask = 0x00000001,
	.soc_reset_control_ce_rst_mask = 0x00040000,
	.soc_chip_id_address = 0x000000ec,
	.scratch_3_address = 0x00000030,
	.fw_indicator_address = 0x00009030,
	.pcie_local_base_address = 0x00080000,
	.ce_wrap_intr_sum_host_msi_lsb = 0x00000008,
	.ce_wrap_intr_sum_host_msi_mask = 0x0000ff00,
	.pcie_intr_fw_mask = 0x00000400,
	.pcie_intr_ce_mask_all = 0x0007f800,
	.pcie_intr_clr_address = 0x00000014,
	};

	const struct ath10k_hw_regs qca6174_regs = {
	.rtc_soc_base_address = 0x00000800,
	.rtc_wmac_base_address = 0x00001000,
	.soc_core_base_address = 0x0003a000,
	.ce_wrapper_base_address = 0x00034000,
	.ce0_base_address = 0x00034400,
	.ce1_base_address = 0x00034800,
	.ce2_base_address = 0x00034c00,
	.ce3_base_address = 0x00035000,
	.ce4_base_address = 0x00035400,
	.ce5_base_address = 0x00035800,
	.ce6_base_address = 0x00035c00,
	.ce7_base_address = 0x00036000,
	.soc_reset_control_si0_rst_mask = 0x00000000,
	.soc_reset_control_ce_rst_mask = 0x00000001,
	.soc_chip_id_address = 0x000000f0,
	.scratch_3_address = 0x00000028,
	.fw_indicator_address = 0x0003a028,
	.pcie_local_base_address = 0x00080000,
	.ce_wrap_intr_sum_host_msi_lsb = 0x00000008,
	.ce_wrap_intr_sum_host_msi_mask = 0x0000ff00,
	.pcie_intr_fw_mask = 0x00000400,
	.pcie_intr_ce_mask_all = 0x0007f800,
	.pcie_intr_clr_address = 0x00000014,
	};

	const struct ath10k_hw_regs qca99x0_regs = {
	.rtc_soc_base_address = 0x00080000,
	.rtc_wmac_base_address = 0x00000000,
	.soc_core_base_address = 0x00082000,
	.ce_wrapper_base_address = 0x0004d000,
	.ce0_base_address = 0x0004a000,
	.ce1_base_address = 0x0004a400,
	.ce2_base_address = 0x0004a800,
	.ce3_base_address = 0x0004ac00,
	.ce4_base_address = 0x0004b000,
	.ce5_base_address = 0x0004b400,
	.ce6_base_address = 0x0004b800,
	.ce7_base_address = 0x0004bc00,
	/* Note: qca99x0 supports upto 12 Copy Engines. Other than address of
	* CE0 and CE1 no other copy engine is directly referred in the code.
	* It is not really necessary to assign address for newly supported
	* CEs in this address table.
	* Copy Engine Address
	* CE8 0x0004c000
	* CE9 0x0004c400
	* CE10 0x0004c800
	* CE11 0x0004cc00
	*/
	.soc_reset_control_si0_rst_mask = 0x00000001,
	.soc_reset_control_ce_rst_mask = 0x00000100,
	.soc_chip_id_address = 0x000000ec,
	.scratch_3_address = 0x00040050,
	.fw_indicator_address = 0x00040050,
	.pcie_local_base_address = 0x00000000,
	.ce_wrap_intr_sum_host_msi_lsb = 0x0000000c,
	.ce_wrap_intr_sum_host_msi_mask = 0x00fff000,
	.pcie_intr_fw_mask = 0x00100000,
	.pcie_intr_ce_mask_all = 0x000fff00,
	.pcie_intr_clr_address = 0x00000010,
	};

	const struct ath10k_hw_regs qca4019_regs = {
	.rtc_soc_base_address = 0x00080000,
	.soc_core_base_address = 0x00082000,
	.ce_wrapper_base_address = 0x0004d000,
	.ce0_base_address = 0x0004a000,
	.ce1_base_address = 0x0004a400,
	.ce2_base_address = 0x0004a800,
	.ce3_base_address = 0x0004ac00,
	.ce4_base_address = 0x0004b000,
	.ce5_base_address = 0x0004b400,
	.ce6_base_address = 0x0004b800,
	.ce7_base_address = 0x0004bc00,
	/* qca4019 supports upto 12 copy engines. Since base address
	* of ce8 to ce11 are not directly referred in the code,
	* no need have them in separate members in this table.
	* Copy Engine Address
	* CE8 0x0004c000
	* CE9 0x0004c400
	* CE10 0x0004c800
	* CE11 0x0004cc00
	*/
	.soc_reset_control_si0_rst_mask = 0x00000001,
	.soc_reset_control_ce_rst_mask = 0x00000100,
	.soc_chip_id_address = 0x000000ec,
	.fw_indicator_address = 0x0004f00c,
	.ce_wrap_intr_sum_host_msi_lsb = 0x0000000c,
	.ce_wrap_intr_sum_host_msi_mask = 0x00fff000,
	.pcie_intr_fw_mask = 0x00100000,
	.pcie_intr_ce_mask_all = 0x000fff00,
	.pcie_intr_clr_address = 0x00000010,
	};

	const struct ath10k_hw_values qca988x_values = {
	.rtc_state_val_on = 3,
	.ce_count = 8,
	.msi_assign_ce_max = 7,
	.num_target_ce_config_wlan = 7,
	.ce_desc_meta_data_mask = 0xFFFC,
	.ce_desc_meta_data_lsb = 2,
	};

	const struct ath10k_hw_values qca6174_values = {
	.rtc_state_val_on = 3,
	.ce_count = 8,
	.msi_assign_ce_max = 7,
	.num_target_ce_config_wlan = 7,
	.ce_desc_meta_data_mask = 0xFFFC,
	.ce_desc_meta_data_lsb = 2,
	};

	const struct ath10k_hw_values qca99x0_values = {
	.rtc_state_val_on = 5,
	.ce_count = 12,
	.msi_assign_ce_max = 12,
	.num_target_ce_config_wlan = 10,
	.ce_desc_meta_data_mask = 0xFFF0,
	.ce_desc_meta_data_lsb = 4,
	};

	const struct ath10k_hw_values qca9888_values = {
	.rtc_state_val_on = 3,
	.ce_count = 12,
	.msi_assign_ce_max = 12,
	.num_target_ce_config_wlan = 10,
	.ce_desc_meta_data_mask = 0xFFF0,
	.ce_desc_meta_data_lsb = 4,
	};

	const struct ath10k_hw_values qca4019_values = {
	.ce_count = 12,
	.num_target_ce_config_wlan = 10,
	.ce_desc_meta_data_mask = 0xFFF0,
	.ce_desc_meta_data_lsb = 4,
	};

	void ath10k_hw_fill_survey_time(struct ath10k ar, struct survey_info survey,
	u32 cc, u32 rcc, u32 cc_prev, u32 rcc_prev)
	{
	u32 cc_fix = 0;
	u32 rcc_fix = 0;
	enum ath10k_hw_cc_wraparound_type wraparound_type;

	survey->filled \|= SURVEY_INFO_TIME \|
	SURVEY_INFO_TIME_BUSY;

	wraparound_type = ar->hw_params.cc_wraparound_type;

	if (cc < cc_prev \|\| rcc < rcc_prev) {
	switch (wraparound_type) {
	case ATH10K_HW_CC_WRAP_SHIFTED_ALL:
	if (cc < cc_prev) {
	cc_fix = 0x7fffffff;
	survey->filled &= ~SURVEY_INFO_TIME_BUSY;
	}
	break;
	case ATH10K_HW_CC_WRAP_SHIFTED_EACH:
	if (cc < cc_prev)
	cc_fix = 0x7fffffff;

	if (rcc < rcc_prev)
	rcc_fix = 0x7fffffff;
	break;
	case ATH10K_HW_CC_WRAP_DISABLED:
	break;
	}
	}

	cc -= cc_prev - cc_fix;
	rcc -= rcc_prev - rcc_fix;

	survey->time = CCNT_TO_MSEC(ar, cc);
	survey->time_busy = CCNT_TO_MSEC(ar, rcc);
	}

	const struct ath10k_hw_ops qca988x_ops = {
	};

	static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd)
	{
	return MS(__le32_to_cpu(rxd->msdu_end.qca99x0.info1),
	RX_MSDU_END_INFO1_L3_HDR_PAD);
	}

	const struct ath10k_hw_ops qca99x0_ops = {
	.rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes,
	};