diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/snoc.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/snoc.c | 387 |
1 files changed, 116 insertions, 271 deletions
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index b491361e6ed4..16177497bba7 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -9,9 +9,11 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include "ce.h" +#include "coredump.h" #include "debug.h" #include "hif.h" #include "htc.h" @@ -36,15 +38,15 @@ static char *const ce_name[] = { "WLAN_CE_11", }; -static struct ath10k_vreg_info vreg_cfg[] = { - {NULL, "vdd-0.8-cx-mx", 800000, 850000, 0, 0, false}, - {NULL, "vdd-1.8-xo", 1800000, 1850000, 0, 0, false}, - {NULL, "vdd-1.3-rfa", 1300000, 1350000, 0, 0, false}, - {NULL, "vdd-3.3-ch0", 3300000, 3350000, 0, 0, false}, +static const char * const ath10k_regulators[] = { + "vdd-0.8-cx-mx", + "vdd-1.8-xo", + "vdd-1.3-rfa", + "vdd-3.3-ch0", }; -static struct ath10k_clk_info clk_cfg[] = { - {NULL, "cxo_ref_clk_pin", 0, false}, +static const char * const ath10k_clocks[] = { + "cxo_ref_clk_pin", }; static void ath10k_snoc_htc_tx_cb(struct ath10k_ce_pipe *ce_state); @@ -976,8 +978,7 @@ static int ath10k_snoc_wlan_enable(struct ath10k *ar, sizeof(struct ath10k_svc_pipe_cfg); cfg.ce_svc_cfg = (struct ath10k_svc_pipe_cfg *) &target_service_to_ce_map_wlan; - cfg.num_shadow_reg_cfg = sizeof(target_shadow_reg_cfg_map) / - sizeof(struct ath10k_shadow_reg_cfg); + cfg.num_shadow_reg_cfg = ARRAY_SIZE(target_shadow_reg_cfg_map); cfg.shadow_reg_cfg = (struct ath10k_shadow_reg_cfg *) &target_shadow_reg_cfg_map; @@ -1257,10 +1258,29 @@ static int ath10k_snoc_resource_init(struct ath10k *ar) ar_snoc->ce_irqs[i].irq_line = res->start; } + ret = device_property_read_u32(&pdev->dev, "qcom,xo-cal-data", + &ar_snoc->xo_cal_data); + ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc xo-cal-data return %d\n", ret); + if (ret == 0) { + ar_snoc->xo_cal_supported = true; + ath10k_dbg(ar, ATH10K_DBG_SNOC, "xo cal data %x\n", + ar_snoc->xo_cal_data); + } + ret = 0; + out: return ret; } +static void ath10k_snoc_quirks_init(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct device *dev = &ar_snoc->dev->dev; + + if (of_property_read_bool(dev->of_node, "qcom,snoc-host-cap-8bit-quirk")) + set_bit(ATH10K_SNOC_FLAG_8BIT_HOST_CAP_QUIRK, &ar_snoc->flags); +} + int ath10k_snoc_fw_indication(struct ath10k *ar, u64 type) { struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); @@ -1337,296 +1357,102 @@ static void ath10k_snoc_release_resource(struct ath10k *ar) ath10k_ce_free_pipe(ar, i); } -static int ath10k_get_vreg_info(struct ath10k *ar, struct device *dev, - struct ath10k_vreg_info *vreg_info) -{ - struct regulator *reg; - int ret = 0; - - reg = devm_regulator_get_optional(dev, vreg_info->name); - - if (IS_ERR(reg)) { - ret = PTR_ERR(reg); - - if (ret == -EPROBE_DEFER) { - ath10k_err(ar, "EPROBE_DEFER for regulator: %s\n", - vreg_info->name); - return ret; - } - if (vreg_info->required) { - ath10k_err(ar, "Regulator %s doesn't exist: %d\n", - vreg_info->name, ret); - return ret; - } - ath10k_dbg(ar, ATH10K_DBG_SNOC, - "Optional regulator %s doesn't exist: %d\n", - vreg_info->name, ret); - goto done; - } - - vreg_info->reg = reg; - -done: - ath10k_dbg(ar, ATH10K_DBG_SNOC, - "snog vreg %s min_v %u max_v %u load_ua %u settle_delay %lu\n", - vreg_info->name, vreg_info->min_v, vreg_info->max_v, - vreg_info->load_ua, vreg_info->settle_delay); - - return 0; -} - -static int ath10k_get_clk_info(struct ath10k *ar, struct device *dev, - struct ath10k_clk_info *clk_info) -{ - struct clk *handle; - int ret = 0; - - handle = devm_clk_get(dev, clk_info->name); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - if (clk_info->required) { - ath10k_err(ar, "snoc clock %s isn't available: %d\n", - clk_info->name, ret); - return ret; - } - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc ignoring clock %s: %d\n", - clk_info->name, - ret); - return 0; - } - - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc clock %s freq %u\n", - clk_info->name, clk_info->freq); - - clk_info->handle = handle; - - return ret; -} - -static int __ath10k_snoc_vreg_on(struct ath10k *ar, - struct ath10k_vreg_info *vreg_info) -{ - int ret; - - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc regulator %s being enabled\n", - vreg_info->name); - - ret = regulator_set_voltage(vreg_info->reg, vreg_info->min_v, - vreg_info->max_v); - if (ret) { - ath10k_err(ar, - "failed to set regulator %s voltage-min: %d voltage-max: %d\n", - vreg_info->name, vreg_info->min_v, vreg_info->max_v); - return ret; - } - - if (vreg_info->load_ua) { - ret = regulator_set_load(vreg_info->reg, vreg_info->load_ua); - if (ret < 0) { - ath10k_err(ar, "failed to set regulator %s load: %d\n", - vreg_info->name, vreg_info->load_ua); - goto err_set_load; - } - } - - ret = regulator_enable(vreg_info->reg); - if (ret) { - ath10k_err(ar, "failed to enable regulator %s\n", - vreg_info->name); - goto err_enable; - } - - if (vreg_info->settle_delay) - udelay(vreg_info->settle_delay); - - return 0; - -err_enable: - regulator_set_load(vreg_info->reg, 0); -err_set_load: - regulator_set_voltage(vreg_info->reg, 0, vreg_info->max_v); - - return ret; -} - -static int __ath10k_snoc_vreg_off(struct ath10k *ar, - struct ath10k_vreg_info *vreg_info) +static int ath10k_hw_power_on(struct ath10k *ar) { + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); int ret; - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc regulator %s being disabled\n", - vreg_info->name); + ath10k_dbg(ar, ATH10K_DBG_SNOC, "soc power on\n"); - ret = regulator_disable(vreg_info->reg); + ret = regulator_bulk_enable(ar_snoc->num_vregs, ar_snoc->vregs); if (ret) - ath10k_err(ar, "failed to disable regulator %s\n", - vreg_info->name); - - ret = regulator_set_load(vreg_info->reg, 0); - if (ret < 0) - ath10k_err(ar, "failed to set load %s\n", vreg_info->name); + return ret; - ret = regulator_set_voltage(vreg_info->reg, 0, vreg_info->max_v); + ret = clk_bulk_prepare_enable(ar_snoc->num_clks, ar_snoc->clks); if (ret) - ath10k_err(ar, "failed to set voltage %s\n", vreg_info->name); + goto vreg_off; return ret; -} - -static int ath10k_snoc_vreg_on(struct ath10k *ar) -{ - struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); - struct ath10k_vreg_info *vreg_info; - int ret = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(vreg_cfg); i++) { - vreg_info = &ar_snoc->vreg[i]; - - if (!vreg_info->reg) - continue; - - ret = __ath10k_snoc_vreg_on(ar, vreg_info); - if (ret) - goto err_reg_config; - } - - return 0; - -err_reg_config: - for (i = i - 1; i >= 0; i--) { - vreg_info = &ar_snoc->vreg[i]; - - if (!vreg_info->reg) - continue; - - __ath10k_snoc_vreg_off(ar, vreg_info); - } +vreg_off: + regulator_bulk_disable(ar_snoc->num_vregs, ar_snoc->vregs); return ret; } -static int ath10k_snoc_vreg_off(struct ath10k *ar) +static int ath10k_hw_power_off(struct ath10k *ar) { struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); - struct ath10k_vreg_info *vreg_info; - int ret = 0; - int i; - - for (i = ARRAY_SIZE(vreg_cfg) - 1; i >= 0; i--) { - vreg_info = &ar_snoc->vreg[i]; - if (!vreg_info->reg) - continue; + ath10k_dbg(ar, ATH10K_DBG_SNOC, "soc power off\n"); - ret = __ath10k_snoc_vreg_off(ar, vreg_info); - } + clk_bulk_disable_unprepare(ar_snoc->num_clks, ar_snoc->clks); - return ret; + return regulator_bulk_disable(ar_snoc->num_vregs, ar_snoc->vregs); } -static int ath10k_snoc_clk_init(struct ath10k *ar) +static void ath10k_msa_dump_memory(struct ath10k *ar, + struct ath10k_fw_crash_data *crash_data) { struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); - struct ath10k_clk_info *clk_info; - int ret = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(clk_cfg); i++) { - clk_info = &ar_snoc->clk[i]; - - if (!clk_info->handle) - continue; - - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc clock %s being enabled\n", - clk_info->name); + const struct ath10k_hw_mem_layout *mem_layout; + const struct ath10k_mem_region *current_region; + struct ath10k_dump_ram_data_hdr *hdr; + size_t buf_len; + u8 *buf; - if (clk_info->freq) { - ret = clk_set_rate(clk_info->handle, clk_info->freq); - - if (ret) { - ath10k_err(ar, "failed to set clock %s freq %u\n", - clk_info->name, clk_info->freq); - goto err_clock_config; - } - } - - ret = clk_prepare_enable(clk_info->handle); - if (ret) { - ath10k_err(ar, "failed to enable clock %s\n", - clk_info->name); - goto err_clock_config; - } - } - - return 0; - -err_clock_config: - for (i = i - 1; i >= 0; i--) { - clk_info = &ar_snoc->clk[i]; - - if (!clk_info->handle) - continue; - - clk_disable_unprepare(clk_info->handle); - } + if (!crash_data || !crash_data->ramdump_buf) + return; - return ret; -} + mem_layout = ath10k_coredump_get_mem_layout(ar); + if (!mem_layout) + return; -static int ath10k_snoc_clk_deinit(struct ath10k *ar) -{ - struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); - struct ath10k_clk_info *clk_info; - int i; + current_region = &mem_layout->region_table.regions[0]; - for (i = 0; i < ARRAY_SIZE(clk_cfg); i++) { - clk_info = &ar_snoc->clk[i]; + buf = crash_data->ramdump_buf; + buf_len = crash_data->ramdump_buf_len; + memset(buf, 0, buf_len); - if (!clk_info->handle) - continue; + /* Reserve space for the header. */ + hdr = (void *)buf; + buf += sizeof(*hdr); + buf_len -= sizeof(*hdr); - ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc clock %s being disabled\n", - clk_info->name); + hdr->region_type = cpu_to_le32(current_region->type); + hdr->start = cpu_to_le32((unsigned long)ar_snoc->qmi->msa_va); + hdr->length = cpu_to_le32(ar_snoc->qmi->msa_mem_size); - clk_disable_unprepare(clk_info->handle); + if (current_region->len < ar_snoc->qmi->msa_mem_size) { + memcpy(buf, ar_snoc->qmi->msa_va, current_region->len); + ath10k_warn(ar, "msa dump length is less than msa size %x, %x\n", + current_region->len, ar_snoc->qmi->msa_mem_size); + } else { + memcpy(buf, ar_snoc->qmi->msa_va, ar_snoc->qmi->msa_mem_size); } - - return 0; } -static int ath10k_hw_power_on(struct ath10k *ar) +void ath10k_snoc_fw_crashed_dump(struct ath10k *ar) { - int ret; + struct ath10k_fw_crash_data *crash_data; + char guid[UUID_STRING_LEN + 1]; - ath10k_dbg(ar, ATH10K_DBG_SNOC, "soc power on\n"); + mutex_lock(&ar->dump_mutex); - ret = ath10k_snoc_vreg_on(ar); - if (ret) - return ret; + spin_lock_bh(&ar->data_lock); + ar->stats.fw_crash_counter++; + spin_unlock_bh(&ar->data_lock); - ret = ath10k_snoc_clk_init(ar); - if (ret) - goto vreg_off; + crash_data = ath10k_coredump_new(ar); - return ret; - -vreg_off: - ath10k_snoc_vreg_off(ar); - return ret; -} - -static int ath10k_hw_power_off(struct ath10k *ar) -{ - int ret; - - ath10k_dbg(ar, ATH10K_DBG_SNOC, "soc power off\n"); - - ath10k_snoc_clk_deinit(ar); - - ret = ath10k_snoc_vreg_off(ar); + if (crash_data) + scnprintf(guid, sizeof(guid), "%pUl", &crash_data->guid); + else + scnprintf(guid, sizeof(guid), "n/a"); - return ret; + ath10k_err(ar, "firmware crashed! (guid %s)\n", guid); + ath10k_print_driver_info(ar); + ath10k_msa_dump_memory(ar, crash_data); + mutex_unlock(&ar->dump_mutex); } static const struct of_device_id ath10k_snoc_dt_match[] = { @@ -1678,6 +1504,8 @@ static int ath10k_snoc_probe(struct platform_device *pdev) ar->ce_priv = &ar_snoc->ce; msa_size = drv_data->msa_size; + ath10k_snoc_quirks_init(ar); + ret = ath10k_snoc_resource_init(ar); if (ret) { ath10k_warn(ar, "failed to initialize resource: %d\n", ret); @@ -1695,20 +1523,37 @@ static int ath10k_snoc_probe(struct platform_device *pdev) goto err_release_resource; } - ar_snoc->vreg = vreg_cfg; - for (i = 0; i < ARRAY_SIZE(vreg_cfg); i++) { - ret = ath10k_get_vreg_info(ar, dev, &ar_snoc->vreg[i]); - if (ret) - goto err_free_irq; + ar_snoc->num_vregs = ARRAY_SIZE(ath10k_regulators); + ar_snoc->vregs = devm_kcalloc(&pdev->dev, ar_snoc->num_vregs, + sizeof(*ar_snoc->vregs), GFP_KERNEL); + if (!ar_snoc->vregs) { + ret = -ENOMEM; + goto err_free_irq; } + for (i = 0; i < ar_snoc->num_vregs; i++) + ar_snoc->vregs[i].supply = ath10k_regulators[i]; - ar_snoc->clk = clk_cfg; - for (i = 0; i < ARRAY_SIZE(clk_cfg); i++) { - ret = ath10k_get_clk_info(ar, dev, &ar_snoc->clk[i]); - if (ret) - goto err_free_irq; + ret = devm_regulator_bulk_get(&pdev->dev, ar_snoc->num_vregs, + ar_snoc->vregs); + if (ret < 0) + goto err_free_irq; + + ar_snoc->num_clks = ARRAY_SIZE(ath10k_clocks); + ar_snoc->clks = devm_kcalloc(&pdev->dev, ar_snoc->num_clks, + sizeof(*ar_snoc->clks), GFP_KERNEL); + if (!ar_snoc->clks) { + ret = -ENOMEM; + goto err_free_irq; } + for (i = 0; i < ar_snoc->num_clks; i++) + ar_snoc->clks[i].id = ath10k_clocks[i]; + + ret = devm_clk_bulk_get_optional(&pdev->dev, ar_snoc->num_clks, + ar_snoc->clks); + if (ret) + goto err_free_irq; + ret = ath10k_hw_power_on(ar); if (ret) { ath10k_err(ar, "failed to power on device: %d\n", ret); |