| /* |
| * 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" |
| #include "hif.h" |
| #include "wmi-ops.h" |
| |
| const struct ath10k_hw_regs qca988x_regs = { |
| .rtc_soc_base_address = 0x00004000, |
| .rtc_wmac_base_address = 0x00005000, |
| .soc_core_base_address = 0x00009000, |
| .wlan_mac_base_address = 0x00020000, |
| .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, |
| .wlan_mac_base_address = 0x00020000, |
| .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, |
| .wlan_mac_base_address = 0x00030000, |
| .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, |
| .wlan_mac_base_address = 0x00030000, |
| .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); |
| } |
| |
| /* The firmware does not support setting the coverage class. Instead this |
| * function monitors and modifies the corresponding MAC registers. |
| */ |
| static void ath10k_hw_qca988x_set_coverage_class(struct ath10k *ar, |
| s16 value) |
| { |
| u32 slottime_reg; |
| u32 slottime; |
| u32 timeout_reg; |
| u32 ack_timeout; |
| u32 cts_timeout; |
| u32 phyclk_reg; |
| u32 phyclk; |
| u64 fw_dbglog_mask; |
| u32 fw_dbglog_level; |
| |
| mutex_lock(&ar->conf_mutex); |
| |
| /* Only modify registers if the core is started. */ |
| if ((ar->state != ATH10K_STATE_ON) && |
| (ar->state != ATH10K_STATE_RESTARTED)) |
| goto unlock; |
| |
| /* Retrieve the current values of the two registers that need to be |
| * adjusted. |
| */ |
| slottime_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS + |
| WAVE1_PCU_GBL_IFS_SLOT); |
| timeout_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS + |
| WAVE1_PCU_ACK_CTS_TIMEOUT); |
| phyclk_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS + |
| WAVE1_PHYCLK); |
| phyclk = MS(phyclk_reg, WAVE1_PHYCLK_USEC) + 1; |
| |
| if (value < 0) |
| value = ar->fw_coverage.coverage_class; |
| |
| /* Break out if the coverage class and registers have the expected |
| * value. |
| */ |
| if (value == ar->fw_coverage.coverage_class && |
| slottime_reg == ar->fw_coverage.reg_slottime_conf && |
| timeout_reg == ar->fw_coverage.reg_ack_cts_timeout_conf && |
| phyclk_reg == ar->fw_coverage.reg_phyclk) |
| goto unlock; |
| |
| /* Store new initial register values from the firmware. */ |
| if (slottime_reg != ar->fw_coverage.reg_slottime_conf) |
| ar->fw_coverage.reg_slottime_orig = slottime_reg; |
| if (timeout_reg != ar->fw_coverage.reg_ack_cts_timeout_conf) |
| ar->fw_coverage.reg_ack_cts_timeout_orig = timeout_reg; |
| ar->fw_coverage.reg_phyclk = phyclk_reg; |
| |
| /* Calculat new value based on the (original) firmware calculation. */ |
| slottime_reg = ar->fw_coverage.reg_slottime_orig; |
| timeout_reg = ar->fw_coverage.reg_ack_cts_timeout_orig; |
| |
| /* Do some sanity checks on the slottime register. */ |
| if (slottime_reg % phyclk) { |
| ath10k_warn(ar, |
| "failed to set coverage class: expected integer microsecond value in register\n"); |
| |
| goto store_regs; |
| } |
| |
| slottime = MS(slottime_reg, WAVE1_PCU_GBL_IFS_SLOT); |
| slottime = slottime / phyclk; |
| if (slottime != 9 && slottime != 20) { |
| ath10k_warn(ar, |
| "failed to set coverage class: expected slot time of 9 or 20us in HW register. It is %uus.\n", |
| slottime); |
| |
| goto store_regs; |
| } |
| |
| /* Recalculate the register values by adding the additional propagation |
| * delay (3us per coverage class). |
| */ |
| |
| slottime = MS(slottime_reg, WAVE1_PCU_GBL_IFS_SLOT); |
| slottime += value * 3 * phyclk; |
| slottime = min_t(u32, slottime, WAVE1_PCU_GBL_IFS_SLOT_MAX); |
| slottime = SM(slottime, WAVE1_PCU_GBL_IFS_SLOT); |
| slottime_reg = (slottime_reg & ~WAVE1_PCU_GBL_IFS_SLOT_MASK) | slottime; |
| |
| /* Update ack timeout (lower halfword). */ |
| ack_timeout = MS(timeout_reg, WAVE1_PCU_ACK_CTS_TIMEOUT_ACK); |
| ack_timeout += 3 * value * phyclk; |
| ack_timeout = min_t(u32, ack_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_MAX); |
| ack_timeout = SM(ack_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_ACK); |
| |
| /* Update cts timeout (upper halfword). */ |
| cts_timeout = MS(timeout_reg, WAVE1_PCU_ACK_CTS_TIMEOUT_CTS); |
| cts_timeout += 3 * value * phyclk; |
| cts_timeout = min_t(u32, cts_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_MAX); |
| cts_timeout = SM(cts_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_CTS); |
| |
| timeout_reg = ack_timeout | cts_timeout; |
| |
| ath10k_hif_write32(ar, |
| WLAN_MAC_BASE_ADDRESS + WAVE1_PCU_GBL_IFS_SLOT, |
| slottime_reg); |
| ath10k_hif_write32(ar, |
| WLAN_MAC_BASE_ADDRESS + WAVE1_PCU_ACK_CTS_TIMEOUT, |
| timeout_reg); |
| |
| /* Ensure we have a debug level of WARN set for the case that the |
| * coverage class is larger than 0. This is important as we need to |
| * set the registers again if the firmware does an internal reset and |
| * this way we will be notified of the event. |
| */ |
| fw_dbglog_mask = ath10k_debug_get_fw_dbglog_mask(ar); |
| fw_dbglog_level = ath10k_debug_get_fw_dbglog_level(ar); |
| |
| if (value > 0) { |
| if (fw_dbglog_level > ATH10K_DBGLOG_LEVEL_WARN) |
| fw_dbglog_level = ATH10K_DBGLOG_LEVEL_WARN; |
| fw_dbglog_mask = ~0; |
| } |
| |
| ath10k_wmi_dbglog_cfg(ar, fw_dbglog_mask, fw_dbglog_level); |
| |
| store_regs: |
| /* After an error we will not retry setting the coverage class. */ |
| spin_lock_bh(&ar->data_lock); |
| ar->fw_coverage.coverage_class = value; |
| spin_unlock_bh(&ar->data_lock); |
| |
| ar->fw_coverage.reg_slottime_conf = slottime_reg; |
| ar->fw_coverage.reg_ack_cts_timeout_conf = timeout_reg; |
| |
| unlock: |
| mutex_unlock(&ar->conf_mutex); |
| } |
| |
| const struct ath10k_hw_ops qca988x_ops = { |
| .set_coverage_class = ath10k_hw_qca988x_set_coverage_class, |
| }; |
| |
| 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, |
| }; |