/* * 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 #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 = 0x00010000, .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, };