30 void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state)  in skl_dsp_set_state_locked()  argument
32 	mutex_lock(&ctx->mutex);  in skl_dsp_set_state_locked()
33 	ctx->sst_state = state;  in skl_dsp_set_state_locked()
34 	mutex_unlock(&ctx->mutex);  in skl_dsp_set_state_locked()
37 static int skl_dsp_core_set_reset_state(struct sst_dsp  *ctx)  in skl_dsp_core_set_reset_state()  argument
42 	sst_dsp_shim_update_bits_unlocked(ctx,  in skl_dsp_core_set_reset_state()
47 	ret = sst_dsp_register_poll(ctx,  in skl_dsp_core_set_reset_state()
53 	if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &  in skl_dsp_core_set_reset_state()
56 		dev_err(ctx->dev, "Set reset state failed\n");  in skl_dsp_core_set_reset_state()
63 static int skl_dsp_core_unset_reset_state(struct sst_dsp  *ctx)  in skl_dsp_core_unset_reset_state()  argument
67 	dev_dbg(ctx->dev, "In %s\n", __func__);  in skl_dsp_core_unset_reset_state()
70 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,  in skl_dsp_core_unset_reset_state()
74 	ret = sst_dsp_register_poll(ctx,  in skl_dsp_core_unset_reset_state()
81 	if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &  in skl_dsp_core_unset_reset_state()
83 		dev_err(ctx->dev, "Unset reset state failed\n");  in skl_dsp_core_unset_reset_state()
90 static bool is_skl_dsp_core_enable(struct sst_dsp  *ctx)  in is_skl_dsp_core_enable()  argument
95 	val = sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS);  in is_skl_dsp_core_enable()
102 	dev_dbg(ctx->dev, "DSP core is enabled=%d\n", is_enable);  in is_skl_dsp_core_enable()
106 static int skl_dsp_reset_core(struct sst_dsp *ctx)  in skl_dsp_reset_core()  argument
109 	sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,  in skl_dsp_reset_core()
110 			 sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &  in skl_dsp_reset_core()
114 	return skl_dsp_core_set_reset_state(ctx);  in skl_dsp_reset_core()
117 static int skl_dsp_start_core(struct sst_dsp *ctx)  in skl_dsp_start_core()  argument
122 	ret = skl_dsp_core_unset_reset_state(ctx);  in skl_dsp_start_core()
124 		dev_dbg(ctx->dev, "dsp unset reset fails\n");  in skl_dsp_start_core()
129 	dev_dbg(ctx->dev, "run core...\n");  in skl_dsp_start_core()
130 	sst_dsp_shim_write_unlocked(ctx, SKL_ADSP_REG_ADSPCS,  in skl_dsp_start_core()
131 			 sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &  in skl_dsp_start_core()
134 	if (!is_skl_dsp_core_enable(ctx)) {  in skl_dsp_start_core()
135 		skl_dsp_reset_core(ctx);  in skl_dsp_start_core()
136 		dev_err(ctx->dev, "DSP core enable failed\n");  in skl_dsp_start_core()
143 static int skl_dsp_core_power_up(struct sst_dsp  *ctx)  in skl_dsp_core_power_up()  argument
148 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,  in skl_dsp_core_power_up()
152 	ret = sst_dsp_register_poll(ctx,  in skl_dsp_core_power_up()
159 	if ((sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPCS) &  in skl_dsp_core_power_up()
162 		dev_err(ctx->dev, "DSP core power up failed\n");  in skl_dsp_core_power_up()
169 static int skl_dsp_core_power_down(struct sst_dsp  *ctx)  in skl_dsp_core_power_down()  argument
172 	sst_dsp_shim_update_bits_unlocked(ctx, SKL_ADSP_REG_ADSPCS,  in skl_dsp_core_power_down()
176 	return sst_dsp_register_poll(ctx,  in skl_dsp_core_power_down()
184 static int skl_dsp_enable_core(struct sst_dsp  *ctx)  in skl_dsp_enable_core()  argument
189 	ret = skl_dsp_core_power_up(ctx);  in skl_dsp_enable_core()
191 		dev_dbg(ctx->dev, "dsp core power up failed\n");  in skl_dsp_enable_core()
195 	return skl_dsp_start_core(ctx);  in skl_dsp_enable_core()
198 int skl_dsp_disable_core(struct sst_dsp  *ctx)  in skl_dsp_disable_core()  argument
202 	ret = skl_dsp_reset_core(ctx);  in skl_dsp_disable_core()
204 		dev_err(ctx->dev, "dsp core reset failed\n");  in skl_dsp_disable_core()
209 	ret = skl_dsp_core_power_down(ctx);  in skl_dsp_disable_core()
211 		dev_err(ctx->dev, "dsp core power down failed\n");  in skl_dsp_disable_core()
215 	if (is_skl_dsp_core_enable(ctx)) {  in skl_dsp_disable_core()
216 		dev_err(ctx->dev, "DSP core disable failed\n");  in skl_dsp_disable_core()
223 int skl_dsp_boot(struct sst_dsp *ctx)  in skl_dsp_boot()  argument
227 	if (is_skl_dsp_core_enable(ctx)) {  in skl_dsp_boot()
228 		dev_dbg(ctx->dev, "dsp core is already enabled, so reset the dap core\n");  in skl_dsp_boot()
229 		ret = skl_dsp_reset_core(ctx);  in skl_dsp_boot()
231 			dev_err(ctx->dev, "dsp reset failed\n");  in skl_dsp_boot()
235 		ret = skl_dsp_start_core(ctx);  in skl_dsp_boot()
237 			dev_err(ctx->dev, "dsp start failed\n");  in skl_dsp_boot()
241 		dev_dbg(ctx->dev, "disable and enable to make sure DSP is invalid state\n");  in skl_dsp_boot()
242 		ret = skl_dsp_disable_core(ctx);  in skl_dsp_boot()
245 			dev_err(ctx->dev, "dsp disable core failes\n");  in skl_dsp_boot()
248 		ret = skl_dsp_enable_core(ctx);  in skl_dsp_boot()
256 	struct sst_dsp *ctx = dev_id;  in skl_dsp_sst_interrupt()  local
260 	spin_lock(&ctx->spinlock);  in skl_dsp_sst_interrupt()
262 	val = sst_dsp_shim_read_unlocked(ctx, SKL_ADSP_REG_ADSPIS);  in skl_dsp_sst_interrupt()
263 	ctx->intr_status = val;  in skl_dsp_sst_interrupt()
266 		spin_unlock(&ctx->spinlock);  in skl_dsp_sst_interrupt()
271 		skl_ipc_int_disable(ctx);  in skl_dsp_sst_interrupt()
276 		skl_cldma_int_disable(ctx);  in skl_dsp_sst_interrupt()
280 	spin_unlock(&ctx->spinlock);  in skl_dsp_sst_interrupt()
285 int skl_dsp_wake(struct sst_dsp *ctx)  in skl_dsp_wake()  argument
287 	return ctx->fw_ops.set_state_D0(ctx);  in skl_dsp_wake()
291 int skl_dsp_sleep(struct sst_dsp *ctx)  in skl_dsp_sleep()  argument
293 	return ctx->fw_ops.set_state_D3(ctx);  in skl_dsp_sleep()
343 bool is_skl_dsp_running(struct sst_dsp *ctx)  in is_skl_dsp_running()  argument
345 	return (ctx->sst_state == SKL_DSP_RUNNING);  in is_skl_dsp_running()