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d63955b3
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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>
587f7031 18#include "core.h"
d63955b3 19#include "hw.h"
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20#include "hif.h"
21#include "wmi-ops.h"
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22
23const struct ath10k_hw_regs qca988x_regs = {
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24 .rtc_soc_base_address = 0x00004000,
25 .rtc_wmac_base_address = 0x00005000,
26 .soc_core_base_address = 0x00009000,
ebee76f7 27 .wlan_mac_base_address = 0x00020000,
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28 .ce_wrapper_base_address = 0x00057000,
29 .ce0_base_address = 0x00057400,
30 .ce1_base_address = 0x00057800,
31 .ce2_base_address = 0x00057c00,
32 .ce3_base_address = 0x00058000,
33 .ce4_base_address = 0x00058400,
34 .ce5_base_address = 0x00058800,
35 .ce6_base_address = 0x00058c00,
36 .ce7_base_address = 0x00059000,
37 .soc_reset_control_si0_rst_mask = 0x00000001,
38 .soc_reset_control_ce_rst_mask = 0x00040000,
a521ee98
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39 .soc_chip_id_address = 0x000000ec,
40 .scratch_3_address = 0x00000030,
41 .fw_indicator_address = 0x00009030,
42 .pcie_local_base_address = 0x00080000,
43 .ce_wrap_intr_sum_host_msi_lsb = 0x00000008,
44 .ce_wrap_intr_sum_host_msi_mask = 0x0000ff00,
45 .pcie_intr_fw_mask = 0x00000400,
46 .pcie_intr_ce_mask_all = 0x0007f800,
47 .pcie_intr_clr_address = 0x00000014,
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48};
49
50const struct ath10k_hw_regs qca6174_regs = {
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51 .rtc_soc_base_address = 0x00000800,
52 .rtc_wmac_base_address = 0x00001000,
53 .soc_core_base_address = 0x0003a000,
6be3b6cc 54 .wlan_mac_base_address = 0x00010000,
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55 .ce_wrapper_base_address = 0x00034000,
56 .ce0_base_address = 0x00034400,
57 .ce1_base_address = 0x00034800,
58 .ce2_base_address = 0x00034c00,
59 .ce3_base_address = 0x00035000,
60 .ce4_base_address = 0x00035400,
61 .ce5_base_address = 0x00035800,
62 .ce6_base_address = 0x00035c00,
63 .ce7_base_address = 0x00036000,
64 .soc_reset_control_si0_rst_mask = 0x00000000,
65 .soc_reset_control_ce_rst_mask = 0x00000001,
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66 .soc_chip_id_address = 0x000000f0,
67 .scratch_3_address = 0x00000028,
a052158a 68 .fw_indicator_address = 0x0003a028,
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69 .pcie_local_base_address = 0x00080000,
70 .ce_wrap_intr_sum_host_msi_lsb = 0x00000008,
71 .ce_wrap_intr_sum_host_msi_mask = 0x0000ff00,
72 .pcie_intr_fw_mask = 0x00000400,
73 .pcie_intr_ce_mask_all = 0x0007f800,
74 .pcie_intr_clr_address = 0x00000014,
d63955b3 75};
587f7031 76
8bd47021 77const struct ath10k_hw_regs qca99x0_regs = {
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VT
78 .rtc_soc_base_address = 0x00080000,
79 .rtc_wmac_base_address = 0x00000000,
80 .soc_core_base_address = 0x00082000,
ebee76f7 81 .wlan_mac_base_address = 0x00030000,
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82 .ce_wrapper_base_address = 0x0004d000,
83 .ce0_base_address = 0x0004a000,
84 .ce1_base_address = 0x0004a400,
85 .ce2_base_address = 0x0004a800,
86 .ce3_base_address = 0x0004ac00,
87 .ce4_base_address = 0x0004b000,
88 .ce5_base_address = 0x0004b400,
89 .ce6_base_address = 0x0004b800,
90 .ce7_base_address = 0x0004bc00,
91 /* Note: qca99x0 supports upto 12 Copy Engines. Other than address of
92 * CE0 and CE1 no other copy engine is directly referred in the code.
e13dbead 93 * It is not really necessary to assign address for newly supported
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94 * CEs in this address table.
95 * Copy Engine Address
96 * CE8 0x0004c000
97 * CE9 0x0004c400
98 * CE10 0x0004c800
99 * CE11 0x0004cc00
100 */
101 .soc_reset_control_si0_rst_mask = 0x00000001,
102 .soc_reset_control_ce_rst_mask = 0x00000100,
103 .soc_chip_id_address = 0x000000ec,
104 .scratch_3_address = 0x00040050,
105 .fw_indicator_address = 0x00040050,
106 .pcie_local_base_address = 0x00000000,
107 .ce_wrap_intr_sum_host_msi_lsb = 0x0000000c,
108 .ce_wrap_intr_sum_host_msi_mask = 0x00fff000,
109 .pcie_intr_fw_mask = 0x00100000,
110 .pcie_intr_ce_mask_all = 0x000fff00,
111 .pcie_intr_clr_address = 0x00000010,
112};
113
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114const struct ath10k_hw_regs qca4019_regs = {
115 .rtc_soc_base_address = 0x00080000,
116 .soc_core_base_address = 0x00082000,
ebee76f7 117 .wlan_mac_base_address = 0x00030000,
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118 .ce_wrapper_base_address = 0x0004d000,
119 .ce0_base_address = 0x0004a000,
120 .ce1_base_address = 0x0004a400,
121 .ce2_base_address = 0x0004a800,
122 .ce3_base_address = 0x0004ac00,
123 .ce4_base_address = 0x0004b000,
124 .ce5_base_address = 0x0004b400,
125 .ce6_base_address = 0x0004b800,
126 .ce7_base_address = 0x0004bc00,
127 /* qca4019 supports upto 12 copy engines. Since base address
128 * of ce8 to ce11 are not directly referred in the code,
129 * no need have them in separate members in this table.
130 * Copy Engine Address
131 * CE8 0x0004c000
132 * CE9 0x0004c400
133 * CE10 0x0004c800
134 * CE11 0x0004cc00
135 */
136 .soc_reset_control_si0_rst_mask = 0x00000001,
137 .soc_reset_control_ce_rst_mask = 0x00000100,
138 .soc_chip_id_address = 0x000000ec,
139 .fw_indicator_address = 0x0004f00c,
140 .ce_wrap_intr_sum_host_msi_lsb = 0x0000000c,
141 .ce_wrap_intr_sum_host_msi_mask = 0x00fff000,
142 .pcie_intr_fw_mask = 0x00100000,
143 .pcie_intr_ce_mask_all = 0x000fff00,
144 .pcie_intr_clr_address = 0x00000010,
145};
146
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VT
147const struct ath10k_hw_values qca988x_values = {
148 .rtc_state_val_on = 3,
149 .ce_count = 8,
150 .msi_assign_ce_max = 7,
151 .num_target_ce_config_wlan = 7,
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152 .ce_desc_meta_data_mask = 0xFFFC,
153 .ce_desc_meta_data_lsb = 2,
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VT
154};
155
156const struct ath10k_hw_values qca6174_values = {
157 .rtc_state_val_on = 3,
158 .ce_count = 8,
159 .msi_assign_ce_max = 7,
160 .num_target_ce_config_wlan = 7,
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161 .ce_desc_meta_data_mask = 0xFFFC,
162 .ce_desc_meta_data_lsb = 2,
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163};
164
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165const struct ath10k_hw_values qca99x0_values = {
166 .rtc_state_val_on = 5,
167 .ce_count = 12,
168 .msi_assign_ce_max = 12,
169 .num_target_ce_config_wlan = 10,
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170 .ce_desc_meta_data_mask = 0xFFF0,
171 .ce_desc_meta_data_lsb = 4,
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172};
173
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174const struct ath10k_hw_values qca9888_values = {
175 .rtc_state_val_on = 3,
176 .ce_count = 12,
177 .msi_assign_ce_max = 12,
178 .num_target_ce_config_wlan = 10,
179 .ce_desc_meta_data_mask = 0xFFF0,
180 .ce_desc_meta_data_lsb = 4,
181};
182
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183const struct ath10k_hw_values qca4019_values = {
184 .ce_count = 12,
185 .num_target_ce_config_wlan = 10,
186 .ce_desc_meta_data_mask = 0xFFF0,
187 .ce_desc_meta_data_lsb = 4,
188};
189
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190void ath10k_hw_fill_survey_time(struct ath10k *ar, struct survey_info *survey,
191 u32 cc, u32 rcc, u32 cc_prev, u32 rcc_prev)
192{
193 u32 cc_fix = 0;
8e100354 194 u32 rcc_fix = 0;
26c19760 195 enum ath10k_hw_cc_wraparound_type wraparound_type;
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196
197 survey->filled |= SURVEY_INFO_TIME |
198 SURVEY_INFO_TIME_BUSY;
199
26c19760 200 wraparound_type = ar->hw_params.cc_wraparound_type;
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201
202 if (cc < cc_prev || rcc < rcc_prev) {
203 switch (wraparound_type) {
204 case ATH10K_HW_CC_WRAP_SHIFTED_ALL:
205 if (cc < cc_prev) {
206 cc_fix = 0x7fffffff;
207 survey->filled &= ~SURVEY_INFO_TIME_BUSY;
208 }
209 break;
210 case ATH10K_HW_CC_WRAP_SHIFTED_EACH:
211 if (cc < cc_prev)
212 cc_fix = 0x7fffffff;
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213
214 if (rcc < rcc_prev)
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215 rcc_fix = 0x7fffffff;
216 break;
217 case ATH10K_HW_CC_WRAP_DISABLED:
218 break;
219 }
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MK
220 }
221
222 cc -= cc_prev - cc_fix;
8e100354 223 rcc -= rcc_prev - rcc_fix;
587f7031 224
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225 survey->time = CCNT_TO_MSEC(ar, cc);
226 survey->time_busy = CCNT_TO_MSEC(ar, rcc);
587f7031 227}
ae02c871 228
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229/* The firmware does not support setting the coverage class. Instead this
230 * function monitors and modifies the corresponding MAC registers.
231 */
232static void ath10k_hw_qca988x_set_coverage_class(struct ath10k *ar,
233 s16 value)
234{
235 u32 slottime_reg;
236 u32 slottime;
237 u32 timeout_reg;
238 u32 ack_timeout;
239 u32 cts_timeout;
240 u32 phyclk_reg;
241 u32 phyclk;
242 u64 fw_dbglog_mask;
243 u32 fw_dbglog_level;
244
245 mutex_lock(&ar->conf_mutex);
246
247 /* Only modify registers if the core is started. */
248 if ((ar->state != ATH10K_STATE_ON) &&
249 (ar->state != ATH10K_STATE_RESTARTED))
250 goto unlock;
251
252 /* Retrieve the current values of the two registers that need to be
253 * adjusted.
254 */
255 slottime_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS +
256 WAVE1_PCU_GBL_IFS_SLOT);
257 timeout_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS +
258 WAVE1_PCU_ACK_CTS_TIMEOUT);
259 phyclk_reg = ath10k_hif_read32(ar, WLAN_MAC_BASE_ADDRESS +
260 WAVE1_PHYCLK);
261 phyclk = MS(phyclk_reg, WAVE1_PHYCLK_USEC) + 1;
262
263 if (value < 0)
264 value = ar->fw_coverage.coverage_class;
265
266 /* Break out if the coverage class and registers have the expected
267 * value.
268 */
269 if (value == ar->fw_coverage.coverage_class &&
270 slottime_reg == ar->fw_coverage.reg_slottime_conf &&
271 timeout_reg == ar->fw_coverage.reg_ack_cts_timeout_conf &&
272 phyclk_reg == ar->fw_coverage.reg_phyclk)
273 goto unlock;
274
275 /* Store new initial register values from the firmware. */
276 if (slottime_reg != ar->fw_coverage.reg_slottime_conf)
277 ar->fw_coverage.reg_slottime_orig = slottime_reg;
278 if (timeout_reg != ar->fw_coverage.reg_ack_cts_timeout_conf)
279 ar->fw_coverage.reg_ack_cts_timeout_orig = timeout_reg;
280 ar->fw_coverage.reg_phyclk = phyclk_reg;
281
282 /* Calculat new value based on the (original) firmware calculation. */
283 slottime_reg = ar->fw_coverage.reg_slottime_orig;
284 timeout_reg = ar->fw_coverage.reg_ack_cts_timeout_orig;
285
286 /* Do some sanity checks on the slottime register. */
287 if (slottime_reg % phyclk) {
288 ath10k_warn(ar,
289 "failed to set coverage class: expected integer microsecond value in register\n");
290
291 goto store_regs;
292 }
293
294 slottime = MS(slottime_reg, WAVE1_PCU_GBL_IFS_SLOT);
295 slottime = slottime / phyclk;
296 if (slottime != 9 && slottime != 20) {
297 ath10k_warn(ar,
298 "failed to set coverage class: expected slot time of 9 or 20us in HW register. It is %uus.\n",
299 slottime);
300
301 goto store_regs;
302 }
303
304 /* Recalculate the register values by adding the additional propagation
305 * delay (3us per coverage class).
306 */
307
308 slottime = MS(slottime_reg, WAVE1_PCU_GBL_IFS_SLOT);
309 slottime += value * 3 * phyclk;
310 slottime = min_t(u32, slottime, WAVE1_PCU_GBL_IFS_SLOT_MAX);
311 slottime = SM(slottime, WAVE1_PCU_GBL_IFS_SLOT);
312 slottime_reg = (slottime_reg & ~WAVE1_PCU_GBL_IFS_SLOT_MASK) | slottime;
313
314 /* Update ack timeout (lower halfword). */
315 ack_timeout = MS(timeout_reg, WAVE1_PCU_ACK_CTS_TIMEOUT_ACK);
316 ack_timeout += 3 * value * phyclk;
317 ack_timeout = min_t(u32, ack_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_MAX);
318 ack_timeout = SM(ack_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_ACK);
319
320 /* Update cts timeout (upper halfword). */
321 cts_timeout = MS(timeout_reg, WAVE1_PCU_ACK_CTS_TIMEOUT_CTS);
322 cts_timeout += 3 * value * phyclk;
323 cts_timeout = min_t(u32, cts_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_MAX);
324 cts_timeout = SM(cts_timeout, WAVE1_PCU_ACK_CTS_TIMEOUT_CTS);
325
326 timeout_reg = ack_timeout | cts_timeout;
327
328 ath10k_hif_write32(ar,
329 WLAN_MAC_BASE_ADDRESS + WAVE1_PCU_GBL_IFS_SLOT,
330 slottime_reg);
331 ath10k_hif_write32(ar,
332 WLAN_MAC_BASE_ADDRESS + WAVE1_PCU_ACK_CTS_TIMEOUT,
333 timeout_reg);
334
335 /* Ensure we have a debug level of WARN set for the case that the
336 * coverage class is larger than 0. This is important as we need to
337 * set the registers again if the firmware does an internal reset and
338 * this way we will be notified of the event.
339 */
340 fw_dbglog_mask = ath10k_debug_get_fw_dbglog_mask(ar);
341 fw_dbglog_level = ath10k_debug_get_fw_dbglog_level(ar);
342
343 if (value > 0) {
344 if (fw_dbglog_level > ATH10K_DBGLOG_LEVEL_WARN)
345 fw_dbglog_level = ATH10K_DBGLOG_LEVEL_WARN;
346 fw_dbglog_mask = ~0;
347 }
348
349 ath10k_wmi_dbglog_cfg(ar, fw_dbglog_mask, fw_dbglog_level);
350
351store_regs:
352 /* After an error we will not retry setting the coverage class. */
353 spin_lock_bh(&ar->data_lock);
354 ar->fw_coverage.coverage_class = value;
355 spin_unlock_bh(&ar->data_lock);
356
357 ar->fw_coverage.reg_slottime_conf = slottime_reg;
358 ar->fw_coverage.reg_ack_cts_timeout_conf = timeout_reg;
359
360unlock:
361 mutex_unlock(&ar->conf_mutex);
362}
363
ae02c871 364const struct ath10k_hw_ops qca988x_ops = {
ebee76f7 365 .set_coverage_class = ath10k_hw_qca988x_set_coverage_class,
ae02c871
VT
366};
367
368static int ath10k_qca99x0_rx_desc_get_l3_pad_bytes(struct htt_rx_desc *rxd)
369{
370 return MS(__le32_to_cpu(rxd->msdu_end.qca99x0.info1),
371 RX_MSDU_END_INFO1_L3_HDR_PAD);
372}
373
374const struct ath10k_hw_ops qca99x0_ops = {
375 .rx_desc_get_l3_pad_bytes = ath10k_qca99x0_rx_desc_get_l3_pad_bytes,
376};