drivers/net/wireless/ath/ath10k/hw.c

   1 /*
   2  * Copyright (c) 2014-2015 Qualcomm Atheros, Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/types.h>
  18 #include "core.h"
  19 #include "hw.h"
  20
  21 const struct ath10k_hw_regs qca988x_regs = {
  22         .rtc_soc_base_address           = 0x00004000,
  23         .rtc_wmac_base_address          = 0x00005000,
  24         .soc_core_base_address          = 0x00009000,
  25         .ce_wrapper_base_address        = 0x00057000,
  26         .ce0_base_address               = 0x00057400,
  27         .ce1_base_address               = 0x00057800,
  28         .ce2_base_address               = 0x00057c00,
  29         .ce3_base_address               = 0x00058000,
  30         .ce4_base_address               = 0x00058400,
  31         .ce5_base_address               = 0x00058800,
  32         .ce6_base_address               = 0x00058c00,
  33         .ce7_base_address               = 0x00059000,
  34         .soc_reset_control_si0_rst_mask = 0x00000001,
  35         .soc_reset_control_ce_rst_mask  = 0x00040000,
  36         .soc_chip_id_address            = 0x000000ec,
  37         .scratch_3_address              = 0x00000030,
  38         .fw_indicator_address           = 0x00009030,
  39         .pcie_local_base_address        = 0x00080000,
  40         .ce_wrap_intr_sum_host_msi_lsb  = 0x00000008,
  41         .ce_wrap_intr_sum_host_msi_mask = 0x0000ff00,
  42         .pcie_intr_fw_mask              = 0x00000400,
  43         .pcie_intr_ce_mask_all          = 0x0007f800,
  44         .pcie_intr_clr_address          = 0x00000014,
  45 };
  46
  47 const struct ath10k_hw_regs qca6174_regs = {
  48         .rtc_soc_base_address                   = 0x00000800,
  49         .rtc_wmac_base_address                  = 0x00001000,
  50         .soc_core_base_address                  = 0x0003a000,
  51         .ce_wrapper_base_address                = 0x00034000,
  52         .ce0_base_address                       = 0x00034400,
  53         .ce1_base_address                       = 0x00034800,
  54         .ce2_base_address                       = 0x00034c00,
  55         .ce3_base_address                       = 0x00035000,
  56         .ce4_base_address                       = 0x00035400,
  57         .ce5_base_address                       = 0x00035800,
  58         .ce6_base_address                       = 0x00035c00,
  59         .ce7_base_address                       = 0x00036000,
  60         .soc_reset_control_si0_rst_mask         = 0x00000000,
  61         .soc_reset_control_ce_rst_mask          = 0x00000001,
  62         .soc_chip_id_address                    = 0x000000f0,
  63         .scratch_3_address                      = 0x00000028,
  64         .fw_indicator_address                   = 0x0003a028,
  65         .pcie_local_base_address                = 0x00080000,
  66         .ce_wrap_intr_sum_host_msi_lsb          = 0x00000008,
  67         .ce_wrap_intr_sum_host_msi_mask         = 0x0000ff00,
  68         .pcie_intr_fw_mask                      = 0x00000400,
  69         .pcie_intr_ce_mask_all                  = 0x0007f800,
  70         .pcie_intr_clr_address                  = 0x00000014,
  71 };
  72
  73 const struct ath10k_hw_regs qca99x0_regs = {
  74         .rtc_soc_base_address                   = 0x00080000,
  75         .rtc_wmac_base_address                  = 0x00000000,
  76         .soc_core_base_address                  = 0x00082000,
  77         .ce_wrapper_base_address                = 0x0004d000,
  78         .ce0_base_address                       = 0x0004a000,
  79         .ce1_base_address                       = 0x0004a400,
  80         .ce2_base_address                       = 0x0004a800,
  81         .ce3_base_address                       = 0x0004ac00,
  82         .ce4_base_address                       = 0x0004b000,
  83         .ce5_base_address                       = 0x0004b400,
  84         .ce6_base_address                       = 0x0004b800,
  85         .ce7_base_address                       = 0x0004bc00,
  86         /* Note: qca99x0 supports upto 12 Copy Engines. Other than address of
  87          * CE0 and CE1 no other copy engine is directly referred in the code.
  88          * It is not really neccessary to assign address for newly supported
  89          * CEs in this address table.
  90          *      Copy Engine             Address
  91          *      CE8                     0x0004c000
  92          *      CE9                     0x0004c400
  93          *      CE10                    0x0004c800
  94          *      CE11                    0x0004cc00
  95          */
  96         .soc_reset_control_si0_rst_mask         = 0x00000001,
  97         .soc_reset_control_ce_rst_mask          = 0x00000100,
  98         .soc_chip_id_address                    = 0x000000ec,
  99         .scratch_3_address                      = 0x00040050,
 100         .fw_indicator_address                   = 0x00040050,
 101         .pcie_local_base_address                = 0x00000000,
 102         .ce_wrap_intr_sum_host_msi_lsb          = 0x0000000c,
 103         .ce_wrap_intr_sum_host_msi_mask         = 0x00fff000,
 104         .pcie_intr_fw_mask                      = 0x00100000,
 105         .pcie_intr_ce_mask_all                  = 0x000fff00,
 106         .pcie_intr_clr_address                  = 0x00000010,
 107 };
 108
 109 const struct ath10k_hw_regs qca4019_regs = {
 110         .rtc_soc_base_address                   = 0x00080000,
 111         .soc_core_base_address                  = 0x00082000,
 112         .ce_wrapper_base_address                = 0x0004d000,
 113         .ce0_base_address                       = 0x0004a000,
 114         .ce1_base_address                       = 0x0004a400,
 115         .ce2_base_address                       = 0x0004a800,
 116         .ce3_base_address                       = 0x0004ac00,
 117         .ce4_base_address                       = 0x0004b000,
 118         .ce5_base_address                       = 0x0004b400,
 119         .ce6_base_address                       = 0x0004b800,
 120         .ce7_base_address                       = 0x0004bc00,
 121         /* qca4019 supports upto 12 copy engines. Since base address
 122          * of ce8 to ce11 are not directly referred in the code,
 123          * no need have them in separate members in this table.
 124          *      Copy Engine             Address
 125          *      CE8                     0x0004c000
 126          *      CE9                     0x0004c400
 127          *      CE10                    0x0004c800
 128          *      CE11                    0x0004cc00
 129          */
 130         .soc_reset_control_si0_rst_mask         = 0x00000001,
 131         .soc_reset_control_ce_rst_mask          = 0x00000100,
 132         .soc_chip_id_address                    = 0x000000ec,
 133         .fw_indicator_address                   = 0x0004f00c,
 134         .ce_wrap_intr_sum_host_msi_lsb          = 0x0000000c,
 135         .ce_wrap_intr_sum_host_msi_mask         = 0x00fff000,
 136         .pcie_intr_fw_mask                      = 0x00100000,
 137         .pcie_intr_ce_mask_all                  = 0x000fff00,
 138         .pcie_intr_clr_address                  = 0x00000010,
 139 };
 140
 141 const struct ath10k_hw_values qca988x_values = {
 142         .rtc_state_val_on               = 3,
 143         .ce_count                       = 8,
 144         .msi_assign_ce_max              = 7,
 145         .num_target_ce_config_wlan      = 7,
 146         .ce_desc_meta_data_mask         = 0xFFFC,
 147         .ce_desc_meta_data_lsb          = 2,
 148 };
 149
 150 const struct ath10k_hw_values qca6174_values = {
 151         .rtc_state_val_on               = 3,
 152         .ce_count                       = 8,
 153         .msi_assign_ce_max              = 7,
 154         .num_target_ce_config_wlan      = 7,
 155         .ce_desc_meta_data_mask         = 0xFFFC,
 156         .ce_desc_meta_data_lsb          = 2,
 157 };
 158
 159 const struct ath10k_hw_values qca99x0_values = {
 160         .rtc_state_val_on               = 5,
 161         .ce_count                       = 12,
 162         .msi_assign_ce_max              = 12,
 163         .num_target_ce_config_wlan      = 10,
 164         .ce_desc_meta_data_mask         = 0xFFF0,
 165         .ce_desc_meta_data_lsb          = 4,
 166 };
 167
 168 const struct ath10k_hw_values qca9888_values = {
 169         .rtc_state_val_on               = 3,
 170         .ce_count                       = 12,
 171         .msi_assign_ce_max              = 12,
 172         .num_target_ce_config_wlan      = 10,
 173         .ce_desc_meta_data_mask         = 0xFFF0,
 174         .ce_desc_meta_data_lsb          = 4,
 175 };
 176
 177 const struct ath10k_hw_values qca4019_values = {
 178         .ce_count                       = 12,
 179         .num_target_ce_config_wlan      = 10,
 180         .ce_desc_meta_data_mask         = 0xFFF0,
 181         .ce_desc_meta_data_lsb          = 4,
 182 };
 183
 184 void ath10k_hw_fill_survey_time(struct ath10k *ar, struct survey_info *survey,
 185                                 u32 cc, u32 rcc, u32 cc_prev, u32 rcc_prev)
 186 {
 187         u32 cc_fix = 0;
 188         u32 rcc_fix = 0;
 189         enum ath10k_hw_cc_wraparound_type wraparound_type;
 190
 191         survey->filled |= SURVEY_INFO_TIME |
 192                           SURVEY_INFO_TIME_BUSY;
 193
 194         wraparound_type = ar->hw_params.cc_wraparound_type;
 195
 196         if (cc < cc_prev || rcc < rcc_prev) {
 197                 switch (wraparound_type) {
 198                 case ATH10K_HW_CC_WRAP_SHIFTED_ALL:
 199                         if (cc < cc_prev) {
 200                                 cc_fix = 0x7fffffff;
 201                                 survey->filled &= ~SURVEY_INFO_TIME_BUSY;
 202                         }
 203                         break;
 204                 case ATH10K_HW_CC_WRAP_SHIFTED_EACH:
 205                         if (cc < cc_prev)
 206                                 cc_fix = 0x7fffffff;
 207
 208                         if (rcc < rcc_prev)
 209                                 rcc_fix = 0x7fffffff;
 210                         break;
 211                 case ATH10K_HW_CC_WRAP_DISABLED:
 212                         break;
 213                 }
 214         }
 215
 216         cc -= cc_prev - cc_fix;
 217         rcc -= rcc_prev - rcc_fix;
 218
 219         survey->time = CCNT_TO_MSEC(ar, cc);
 220         survey->time_busy = CCNT_TO_MSEC(ar, rcc);
 221 }
 222
 223 const struct ath10k_hw_ops qca988x_ops = {
 224 };
 225
 226 static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd)
 227 {
 228         return MS(__le32_to_cpu(rxd->msdu_end.qca99x0.info1),
 229                   RX_MSDU_END_INFO1_L3_HDR_PAD);
 230 }
 231
 232 const struct ath10k_hw_ops qca99x0_ops = {
 233         .rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes,
 234 };