Lines Matching +full:dsp +full:- +full:ctrl
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
3 // Copyright 2021-2022 NXP
7 // Hardware interface for audio DSP on i.MX8ULP
9 #include <linux/arm-smccc.h>
12 #include <linux/firmware/imx/dsp.h>
26 #include "../sof-of-dev.h"
27 #include "imx-common.h"
54 /* DSP IPC handler */
64 /* Controls the HiFi4 DSP Reset: 1 in reset, 0 out of reset */ in imx8ulp_sim_lpav_start()
65 regmap_update_bits(priv->regmap, SYSCTRL0, RESET_BIT, 0); in imx8ulp_sim_lpav_start()
67 /* Reset HiFi4 DSP Debug logic: 1 debug reset, 0 out of reset*/ in imx8ulp_sim_lpav_start()
68 regmap_update_bits(priv->regmap, SYSCTRL0, DEBUG_LOGIC_BIT, 0); in imx8ulp_sim_lpav_start()
70 /* Stall HIFI4 DSP Execution: 1 stall, 0 run */ in imx8ulp_sim_lpav_start()
71 regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, 0); in imx8ulp_sim_lpav_start()
89 spin_lock_irqsave(&priv->sdev->ipc_lock, flags); in imx8ulp_dsp_handle_reply()
91 snd_sof_ipc_process_reply(priv->sdev, 0); in imx8ulp_dsp_handle_reply()
93 spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags); in imx8ulp_dsp_handle_reply()
102 sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4, &p, sizeof(p)); in imx8ulp_dsp_handle_request()
106 snd_sof_dsp_panic(priv->sdev, p, true); in imx8ulp_dsp_handle_request()
108 snd_sof_ipc_msgs_rx(priv->sdev); in imx8ulp_dsp_handle_request()
118 struct imx8ulp_priv *priv = sdev->pdata->hw_pdata; in imx8ulp_send_msg()
120 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, in imx8ulp_send_msg()
121 msg->msg_size); in imx8ulp_send_msg()
122 imx_dsp_ring_doorbell(priv->dsp_ipc, 0); in imx8ulp_send_msg()
129 struct imx8ulp_priv *priv = sdev->pdata->hw_pdata; in imx8ulp_run()
138 struct imx8ulp_priv *priv = sdev->pdata->hw_pdata; in imx8ulp_reset()
142 regmap_update_bits(priv->regmap, SYSCTRL0, PLAT_CLK_BIT, PLAT_CLK_BIT); in imx8ulp_reset()
145 regmap_update_bits(priv->regmap, SYSCTRL0, PB_CLK_BIT, PB_CLK_BIT); in imx8ulp_reset()
148 regmap_update_bits(priv->regmap, SYSCTRL0, HIFI4_CLK_BIT, HIFI4_CLK_BIT); in imx8ulp_reset()
150 regmap_update_bits(priv->regmap, SYSCTRL0, RESET_BIT, RESET_BIT); in imx8ulp_reset()
153 /* Stall HIFI4 DSP Execution: 1 stall, 0 not stall */ in imx8ulp_reset()
154 regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, EXECUTE_BIT); in imx8ulp_reset()
165 container_of(sdev->dev, struct platform_device, dev); in imx8ulp_probe()
166 struct device_node *np = pdev->dev.of_node; in imx8ulp_probe()
174 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); in imx8ulp_probe()
176 return -ENOMEM; in imx8ulp_probe()
178 priv->clks = devm_kzalloc(&pdev->dev, sizeof(*priv->clks), GFP_KERNEL); in imx8ulp_probe()
179 if (!priv->clks) in imx8ulp_probe()
180 return -ENOMEM; in imx8ulp_probe()
182 sdev->num_cores = 1; in imx8ulp_probe()
183 sdev->pdata->hw_pdata = priv; in imx8ulp_probe()
184 priv->dev = sdev->dev; in imx8ulp_probe()
185 priv->sdev = sdev; in imx8ulp_probe()
187 /* System integration module(SIM) control dsp configuration */ in imx8ulp_probe()
188 priv->regmap = syscon_regmap_lookup_by_phandle(np, "fsl,dsp-ctrl"); in imx8ulp_probe()
189 if (IS_ERR(priv->regmap)) in imx8ulp_probe()
190 return PTR_ERR(priv->regmap); in imx8ulp_probe()
192 priv->ipc_dev = platform_device_register_data(sdev->dev, "imx-dsp", in imx8ulp_probe()
195 if (IS_ERR(priv->ipc_dev)) in imx8ulp_probe()
196 return PTR_ERR(priv->ipc_dev); in imx8ulp_probe()
198 priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev); in imx8ulp_probe()
199 if (!priv->dsp_ipc) { in imx8ulp_probe()
200 /* DSP IPC driver not probed yet, try later */ in imx8ulp_probe()
201 ret = -EPROBE_DEFER; in imx8ulp_probe()
202 dev_err(sdev->dev, "Failed to get drvdata\n"); in imx8ulp_probe()
206 imx_dsp_set_data(priv->dsp_ipc, priv); in imx8ulp_probe()
207 priv->dsp_ipc->ops = &dsp_ops; in imx8ulp_probe()
209 /* DSP base */ in imx8ulp_probe()
212 base = mmio->start; in imx8ulp_probe()
215 dev_err(sdev->dev, "error: failed to get DSP base at idx 0\n"); in imx8ulp_probe()
216 ret = -EINVAL; in imx8ulp_probe()
220 sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev, base, size); in imx8ulp_probe()
221 if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) { in imx8ulp_probe()
222 dev_err(sdev->dev, "failed to ioremap base 0x%x size 0x%x\n", in imx8ulp_probe()
224 ret = -ENODEV; in imx8ulp_probe()
227 sdev->mmio_bar = SOF_FW_BLK_TYPE_IRAM; in imx8ulp_probe()
229 res_node = of_parse_phandle(np, "memory-reserved", 0); in imx8ulp_probe()
231 dev_err(&pdev->dev, "failed to get memory region node\n"); in imx8ulp_probe()
232 ret = -ENODEV; in imx8ulp_probe()
239 dev_err(&pdev->dev, "failed to get reserved region address\n"); in imx8ulp_probe()
243 sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap_wc(sdev->dev, res.start, in imx8ulp_probe()
245 if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) { in imx8ulp_probe()
246 dev_err(sdev->dev, "failed to ioremap mem 0x%x size 0x%x\n", in imx8ulp_probe()
248 ret = -ENOMEM; in imx8ulp_probe()
251 sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM; in imx8ulp_probe()
254 sdev->dsp_box.offset = MBOX_OFFSET; in imx8ulp_probe()
256 ret = of_reserved_mem_device_init(sdev->dev); in imx8ulp_probe()
258 dev_err(&pdev->dev, "failed to init reserved memory region %d\n", ret); in imx8ulp_probe()
262 priv->clks->dsp_clks = imx8ulp_dsp_clks; in imx8ulp_probe()
263 priv->clks->num_dsp_clks = ARRAY_SIZE(imx8ulp_dsp_clks); in imx8ulp_probe()
265 ret = imx8_parse_clocks(sdev, priv->clks); in imx8ulp_probe()
269 ret = imx8_enable_clocks(sdev, priv->clks); in imx8ulp_probe()
276 platform_device_unregister(priv->ipc_dev); in imx8ulp_probe()
283 struct imx8ulp_priv *priv = sdev->pdata->hw_pdata; in imx8ulp_remove()
285 imx8_disable_clocks(sdev, priv->clks); in imx8ulp_remove()
286 platform_device_unregister(priv->ipc_dev); in imx8ulp_remove()
300 struct imx8ulp_priv *priv = (struct imx8ulp_priv *)sdev->pdata->hw_pdata; in imx8ulp_suspend()
302 /*Stall DSP, release in .run() */ in imx8ulp_suspend()
303 regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, EXECUTE_BIT); in imx8ulp_suspend()
306 imx_dsp_free_channel(priv->dsp_ipc, i); in imx8ulp_suspend()
308 imx8_disable_clocks(sdev, priv->clks); in imx8ulp_suspend()
315 struct imx8ulp_priv *priv = (struct imx8ulp_priv *)sdev->pdata->hw_pdata; in imx8ulp_resume()
318 imx8_enable_clocks(sdev, priv->clks); in imx8ulp_resume()
321 imx_dsp_request_channel(priv->dsp_ipc, i); in imx8ulp_resume()
357 if (!pm_runtime_suspended(sdev->dev)) in imx8ulp_dsp_suspend()
372 if (pm_runtime_suspended(sdev->dev)) { in imx8ulp_dsp_resume()
373 pm_runtime_disable(sdev->dev); in imx8ulp_dsp_resume()
374 pm_runtime_set_active(sdev->dev); in imx8ulp_dsp_resume()
375 pm_runtime_mark_last_busy(sdev->dev); in imx8ulp_dsp_resume()
376 pm_runtime_enable(sdev->dev); in imx8ulp_dsp_resume()
377 pm_runtime_idle(sdev->dev); in imx8ulp_dsp_resume()
411 sdev->dsp_power_state = *target_state; in imx8ulp_dsp_set_power_state()
421 /* DSP core boot */
487 [SOF_IPC] = "imx/sof-tplg",
490 [SOF_IPC] = "sof-imx8ulp.ri",
492 .nocodec_tplg_filename = "sof-imx8ulp-nocodec.tplg",
497 { .compatible = "fsl,imx8ulp-dsp", .data = &sof_of_imx8ulp_desc},
507 .name = "sof-audio-of-imx8ulp",