Lines Matching refs:wdt

57 static void mlxreg_wdt_check_card_reset(struct mlxreg_wdt *wdt)
63 	if (wdt->reset_idx == -EINVAL)
66 	if (!(wdt->wdd.info->options & WDIOF_CARDRESET))
69 	reg_data = &wdt->pdata->data[wdt->reset_idx];
70 	rc = regmap_read(wdt->regmap, reg_data->reg, &regval);
73 			wdt->wdd.bootstatus = WDIOF_CARDRESET;
74 			dev_info(wdt->wdd.parent,
82 	struct mlxreg_wdt *wdt = watchdog_get_drvdata(wdd);
83 	struct mlxreg_core_data *reg_data = &wdt->pdata->data[wdt->action_idx];
85 	return regmap_update_bits(wdt->regmap, reg_data->reg, ~reg_data->mask,
91 	struct mlxreg_wdt *wdt = watchdog_get_drvdata(wdd);
92 	struct mlxreg_core_data *reg_data = &wdt->pdata->data[wdt->action_idx];
94 	return regmap_update_bits(wdt->regmap, reg_data->reg, ~reg_data->mask,
100 	struct mlxreg_wdt *wdt = watchdog_get_drvdata(wdd);
101 	struct mlxreg_core_data *reg_data = &wdt->pdata->data[wdt->ping_idx];
103 	return regmap_update_bits_base(wdt->regmap, reg_data->reg,
111 	struct mlxreg_wdt *wdt = watchdog_get_drvdata(wdd);
112 	struct mlxreg_core_data *reg_data = &wdt->pdata->data[wdt->timeout_idx];
116 	switch (wdt->wdt_type) {
118 		rc = regmap_read(wdt->regmap, reg_data->reg, &regval);
126 		rc = regmap_write(wdt->regmap, reg_data->reg, regval);
130 		rc = regmap_write(wdt->regmap, reg_data->reg, timeout);
135 		if (wdt->regmap_val_sz == 1) {
137 			rc = regmap_write(wdt->regmap, reg_data->reg, regval);
140 				rc = regmap_write(wdt->regmap,
144 			rc = regmap_write(wdt->regmap, reg_data->reg, timeout);
169 	struct mlxreg_wdt *wdt = watchdog_get_drvdata(wdd);
170 	struct mlxreg_core_data *reg_data = &wdt->pdata->data[wdt->tleft_idx];
174 	if (wdt->wdt_type == MLX_WDT_TYPE2) {
175 		rc = regmap_read(wdt->regmap, reg_data->reg, &regval);
178 		if (wdt->regmap_val_sz == 1) {
179 			rc = regmap_read(wdt->regmap, reg_data->reg, &lsb);
181 				rc = regmap_read(wdt->regmap,
186 			rc = regmap_read(wdt->regmap, reg_data->reg, &regval);
214 	.identity	= "mlx-wdt-main",
220 	.identity	= "mlx-wdt-aux",
223 static void mlxreg_wdt_config(struct mlxreg_wdt *wdt,
229 	wdt->reset_idx = -EINVAL;
232 			wdt->action_idx = i;
234 			wdt->timeout_idx = i;
236 			wdt->tleft_idx = i;
238 			wdt->ping_idx = i;
240 			wdt->reset_idx = i;
243 	wdt->pdata = pdata;
246 		wdt->wdd.info = &mlxreg_wdt_main_info;
248 		wdt->wdd.info = &mlxreg_wdt_aux_info;
250 	wdt->wdt_type = pdata->version;
251 	switch (wdt->wdt_type) {
253 		wdt->wdd.ops = &mlxreg_wdt_ops_type1;
254 		wdt->wdd.max_timeout = MLXREG_WDT_MAX_TIMEOUT_TYPE1;
257 		wdt->wdd.ops = &mlxreg_wdt_ops_type2;
258 		wdt->wdd.max_timeout = MLXREG_WDT_MAX_TIMEOUT_TYPE2;
261 		wdt->wdd.ops = &mlxreg_wdt_ops_type2;
262 		wdt->wdd.max_timeout = MLXREG_WDT_MAX_TIMEOUT_TYPE3;
268 	wdt->wdd.min_timeout = MLXREG_WDT_MIN_TIMEOUT;
271 static int mlxreg_wdt_init_timeout(struct mlxreg_wdt *wdt,
276 	timeout = pdata->data[wdt->timeout_idx].health_cntr;
277 	return mlxreg_wdt_set_timeout(&wdt->wdd, timeout);
284 	struct mlxreg_wdt *wdt;
292 	wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
293 	if (!wdt)
296 	wdt->wdd.parent = dev;
297 	wdt->regmap = pdata->regmap;
298 	rc = regmap_get_val_bytes(wdt->regmap);
302 	wdt->regmap_val_sz = rc;
303 	mlxreg_wdt_config(wdt, pdata);
306 		watchdog_set_nowayout(&wdt->wdd, WATCHDOG_NOWAYOUT);
307 	watchdog_stop_on_reboot(&wdt->wdd);
308 	watchdog_stop_on_unregister(&wdt->wdd);
309 	watchdog_set_drvdata(&wdt->wdd, wdt);
310 	rc = mlxreg_wdt_init_timeout(wdt, pdata);
315 		rc = mlxreg_wdt_start(&wdt->wdd);
318 		set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);
320 	mlxreg_wdt_check_card_reset(wdt);
321 	rc = devm_watchdog_register_device(dev, &wdt->wdd);
332 			.name = "mlx-wdt",
341 MODULE_ALIAS("platform:mlx-wdt");