1064520e8SBard Liao // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2064520e8SBard Liao // 3064520e8SBard Liao // Copyright(c) 2022 Intel Corporation. All rights reserved. 4064520e8SBard Liao // 5064520e8SBard Liao // Authors: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> 6064520e8SBard Liao // 7064520e8SBard Liao 8064520e8SBard Liao /* 9064520e8SBard Liao * Hardware interface for audio DSP on Meteorlake. 10064520e8SBard Liao */ 11064520e8SBard Liao 12064520e8SBard Liao #include <linux/firmware.h> 13064520e8SBard Liao #include <sound/sof/ipc4/header.h> 14d272b657SBard Liao #include <trace/events/sof_intel.h> 15064520e8SBard Liao #include "../ipc4-priv.h" 16064520e8SBard Liao #include "../ops.h" 17064520e8SBard Liao #include "hda.h" 18064520e8SBard Liao #include "hda-ipc.h" 19064520e8SBard Liao #include "../sof-audio.h" 20064520e8SBard Liao #include "mtl.h" 21064520e8SBard Liao 22064520e8SBard Liao static const struct snd_sof_debugfs_map mtl_dsp_debugfs[] = { 23064520e8SBard Liao {"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS}, 24064520e8SBard Liao {"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS}, 25064520e8SBard Liao {"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS}, 26064520e8SBard Liao }; 27064520e8SBard Liao 28064520e8SBard Liao static void mtl_ipc_host_done(struct snd_sof_dev *sdev) 29064520e8SBard Liao { 30064520e8SBard Liao /* 31064520e8SBard Liao * clear busy interrupt to tell dsp controller this interrupt has been accepted, 32064520e8SBard Liao * not trigger it again 33064520e8SBard Liao */ 34064520e8SBard Liao snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR, 35064520e8SBard Liao MTL_DSP_REG_HFIPCXTDR_BUSY, MTL_DSP_REG_HFIPCXTDR_BUSY); 36064520e8SBard Liao /* 37064520e8SBard Liao * clear busy bit to ack dsp the msg has been processed and send reply msg to dsp 38064520e8SBard Liao */ 39064520e8SBard Liao snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA, 40064520e8SBard Liao MTL_DSP_REG_HFIPCXTDA_BUSY, 0); 41064520e8SBard Liao } 42064520e8SBard Liao 43064520e8SBard Liao static void mtl_ipc_dsp_done(struct snd_sof_dev *sdev) 44064520e8SBard Liao { 45064520e8SBard Liao /* 46064520e8SBard Liao * set DONE bit - tell DSP we have received the reply msg from DSP, and processed it, 47064520e8SBard Liao * don't send more reply to host 48064520e8SBard Liao */ 49064520e8SBard Liao snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA, 50064520e8SBard Liao MTL_DSP_REG_HFIPCXIDA_DONE, MTL_DSP_REG_HFIPCXIDA_DONE); 51064520e8SBard Liao 52064520e8SBard Liao /* unmask Done interrupt */ 53064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL, 54064520e8SBard Liao MTL_DSP_REG_HFIPCXCTL_DONE, MTL_DSP_REG_HFIPCXCTL_DONE); 55064520e8SBard Liao } 56064520e8SBard Liao 57064520e8SBard Liao /* Check if an IPC IRQ occurred */ 58064520e8SBard Liao static bool mtl_dsp_check_ipc_irq(struct snd_sof_dev *sdev) 59064520e8SBard Liao { 60064520e8SBard Liao u32 irq_status; 61064520e8SBard Liao u32 hfintipptr; 62064520e8SBard Liao 63064520e8SBard Liao /* read Interrupt IP Pointer */ 64064520e8SBard Liao hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 65064520e8SBard Liao irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS); 66064520e8SBard Liao 67d272b657SBard Liao trace_sof_intel_hda_irq_ipc_check(sdev, irq_status); 68064520e8SBard Liao 69064520e8SBard Liao if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_IPC)) 70064520e8SBard Liao return true; 71064520e8SBard Liao 72064520e8SBard Liao return false; 73064520e8SBard Liao } 74064520e8SBard Liao 75064520e8SBard Liao /* Check if an SDW IRQ occurred */ 76064520e8SBard Liao static bool mtl_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 77064520e8SBard Liao { 78064520e8SBard Liao u32 irq_status; 79064520e8SBard Liao u32 hfintipptr; 80064520e8SBard Liao 81064520e8SBard Liao /* read Interrupt IP Pointer */ 82064520e8SBard Liao hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 83064520e8SBard Liao irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS); 84064520e8SBard Liao 85064520e8SBard Liao if (irq_status != U32_MAX && (irq_status & MTL_DSP_IRQSTS_SDW)) 86064520e8SBard Liao return true; 87064520e8SBard Liao 88064520e8SBard Liao return false; 89064520e8SBard Liao } 90064520e8SBard Liao 91064520e8SBard Liao static int mtl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) 92064520e8SBard Liao { 93483e4cdfSPeter Ujfalusi struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 94064520e8SBard Liao struct sof_ipc4_msg *msg_data = msg->msg_data; 95064520e8SBard Liao 96483e4cdfSPeter Ujfalusi if (hda_ipc4_tx_is_busy(sdev)) { 97483e4cdfSPeter Ujfalusi hdev->delayed_ipc_tx_msg = msg; 98483e4cdfSPeter Ujfalusi return 0; 99483e4cdfSPeter Ujfalusi } 100483e4cdfSPeter Ujfalusi 101483e4cdfSPeter Ujfalusi hdev->delayed_ipc_tx_msg = NULL; 102483e4cdfSPeter Ujfalusi 103064520e8SBard Liao /* send the message via mailbox */ 104064520e8SBard Liao if (msg_data->data_size) 105064520e8SBard Liao sof_mailbox_write(sdev, sdev->host_box.offset, msg_data->data_ptr, 106064520e8SBard Liao msg_data->data_size); 107064520e8SBard Liao 108064520e8SBard Liao snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY, 109064520e8SBard Liao msg_data->extension); 110064520e8SBard Liao snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR, 111064520e8SBard Liao msg_data->primary | MTL_DSP_REG_HFIPCXIDR_BUSY); 112064520e8SBard Liao 113064520e8SBard Liao return 0; 114064520e8SBard Liao } 115064520e8SBard Liao 116064520e8SBard Liao static void mtl_enable_ipc_interrupts(struct snd_sof_dev *sdev) 117064520e8SBard Liao { 118064520e8SBard Liao struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 119064520e8SBard Liao const struct sof_intel_dsp_desc *chip = hda->desc; 120064520e8SBard Liao 121064520e8SBard Liao /* enable IPC DONE and BUSY interrupts */ 122064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl, 123064520e8SBard Liao MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 124064520e8SBard Liao MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE); 125064520e8SBard Liao } 126064520e8SBard Liao 127064520e8SBard Liao static void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev) 128064520e8SBard Liao { 129064520e8SBard Liao struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 130064520e8SBard Liao const struct sof_intel_dsp_desc *chip = hda->desc; 131064520e8SBard Liao 132064520e8SBard Liao /* disable IPC DONE and BUSY interrupts */ 133064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl, 134064520e8SBard Liao MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 0); 135064520e8SBard Liao } 136064520e8SBard Liao 137*00f4f338SPierre-Louis Bossart static int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable) 138064520e8SBard Liao { 139064520e8SBard Liao u32 hfintipptr; 140064520e8SBard Liao u32 irqinten; 141064520e8SBard Liao u32 hipcie; 142*00f4f338SPierre-Louis Bossart u32 mask; 143*00f4f338SPierre-Louis Bossart u32 val; 144064520e8SBard Liao int ret; 145064520e8SBard Liao 146064520e8SBard Liao /* read Interrupt IP Pointer */ 147064520e8SBard Liao hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK; 148064520e8SBard Liao 149*00f4f338SPierre-Louis Bossart /* Enable/Disable Host IPC and SOUNDWIRE */ 150*00f4f338SPierre-Louis Bossart mask = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK; 151*00f4f338SPierre-Louis Bossart if (enable) 152*00f4f338SPierre-Louis Bossart val = mask; 153*00f4f338SPierre-Louis Bossart else 154*00f4f338SPierre-Louis Bossart val = 0; 155*00f4f338SPierre-Louis Bossart 156*00f4f338SPierre-Louis Bossart snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr, mask, val); 157064520e8SBard Liao 158064520e8SBard Liao /* check if operation was successful */ 159064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten, 160*00f4f338SPierre-Louis Bossart (irqinten & mask) == val, 161064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 162064520e8SBard Liao if (ret < 0) { 163*00f4f338SPierre-Louis Bossart dev_err(sdev->dev, "failed to %s Host IPC and/or SOUNDWIRE\n", 164*00f4f338SPierre-Louis Bossart enable ? "enable" : "disable"); 165064520e8SBard Liao return ret; 166064520e8SBard Liao } 167064520e8SBard Liao 168*00f4f338SPierre-Louis Bossart /* Enable/Disable Host IPC interrupt*/ 169*00f4f338SPierre-Louis Bossart mask = MTL_DSP_REG_HfHIPCIE_IE_MASK; 170*00f4f338SPierre-Louis Bossart if (enable) 171*00f4f338SPierre-Louis Bossart val = mask; 172*00f4f338SPierre-Louis Bossart else 173*00f4f338SPierre-Louis Bossart val = 0; 174*00f4f338SPierre-Louis Bossart 175*00f4f338SPierre-Louis Bossart snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, mask, val); 176064520e8SBard Liao 177064520e8SBard Liao /* check if operation was successful */ 178064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie, 179*00f4f338SPierre-Louis Bossart (hipcie & mask) == val, 180064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 181064520e8SBard Liao if (ret < 0) { 182*00f4f338SPierre-Louis Bossart dev_err(sdev->dev, "failed to set Host IPC interrupt %s\n", 183*00f4f338SPierre-Louis Bossart enable ? "enable" : "disable"); 184064520e8SBard Liao return ret; 185064520e8SBard Liao } 186064520e8SBard Liao 187*00f4f338SPierre-Louis Bossart /* Enable/Disable SoundWire interrupt */ 188*00f4f338SPierre-Louis Bossart mask = MTL_DSP_REG_HfSNDWIE_IE_MASK; 189*00f4f338SPierre-Louis Bossart if (enable) 190*00f4f338SPierre-Louis Bossart val = mask; 191*00f4f338SPierre-Louis Bossart else 192*00f4f338SPierre-Louis Bossart val = 0; 193*00f4f338SPierre-Louis Bossart 194*00f4f338SPierre-Louis Bossart snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, mask, val); 195*00f4f338SPierre-Louis Bossart 196*00f4f338SPierre-Louis Bossart /* check if operation was successful */ 197064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie, 198*00f4f338SPierre-Louis Bossart (hipcie & mask) == val, 199064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); 200064520e8SBard Liao if (ret < 0) 201*00f4f338SPierre-Louis Bossart dev_err(sdev->dev, "failed to set SoundWire IPC interrupt %s\n", 202*00f4f338SPierre-Louis Bossart enable ? "enable" : "disable"); 203064520e8SBard Liao 204064520e8SBard Liao return ret; 205064520e8SBard Liao } 206064520e8SBard Liao 207064520e8SBard Liao /* pre fw run operations */ 208064520e8SBard Liao static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev) 209064520e8SBard Liao { 210064520e8SBard Liao u32 dsphfpwrsts; 211064520e8SBard Liao u32 dsphfdsscs; 212064520e8SBard Liao u32 cpa; 213064520e8SBard Liao u32 pgs; 214064520e8SBard Liao int ret; 215064520e8SBard Liao 216064520e8SBard Liao /* Set the DSP subsystem power on */ 217064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS, 218064520e8SBard Liao MTL_HFDSSCS_SPA_MASK, MTL_HFDSSCS_SPA_MASK); 219064520e8SBard Liao 220064520e8SBard Liao /* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */ 221064520e8SBard Liao usleep_range(1000, 1010); 222064520e8SBard Liao 223064520e8SBard Liao /* poll with timeout to check if operation successful */ 224064520e8SBard Liao cpa = MTL_HFDSSCS_CPA_MASK; 225064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs, 226064520e8SBard Liao (dsphfdsscs & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US, 227064520e8SBard Liao HDA_DSP_RESET_TIMEOUT_US); 228064520e8SBard Liao if (ret < 0) { 229064520e8SBard Liao dev_err(sdev->dev, "failed to enable DSP subsystem\n"); 230064520e8SBard Liao return ret; 231064520e8SBard Liao } 232064520e8SBard Liao 233064520e8SBard Liao /* Power up gated-DSP-0 domain in order to access the DSP shim register block. */ 234064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL, 235064520e8SBard Liao MTL_HFPWRCTL_WPDSPHPXPG, MTL_HFPWRCTL_WPDSPHPXPG); 236064520e8SBard Liao 237064520e8SBard Liao usleep_range(1000, 1010); 238064520e8SBard Liao 239064520e8SBard Liao /* poll with timeout to check if operation successful */ 240064520e8SBard Liao pgs = MTL_HFPWRSTS_DSPHPXPGS_MASK; 241064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFPWRSTS, dsphfpwrsts, 242064520e8SBard Liao (dsphfpwrsts & pgs) == pgs, 243064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, 244064520e8SBard Liao HDA_DSP_RESET_TIMEOUT_US); 245064520e8SBard Liao if (ret < 0) 246064520e8SBard Liao dev_err(sdev->dev, "failed to power up gated DSP domain\n"); 247064520e8SBard Liao 248064520e8SBard Liao /* make sure SoundWire is not power-gated */ 249064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, MTL_HFPWRCTL, 250064520e8SBard Liao MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1)); 251064520e8SBard Liao return ret; 252064520e8SBard Liao } 253064520e8SBard Liao 254064520e8SBard Liao static int mtl_dsp_post_fw_run(struct snd_sof_dev *sdev) 255064520e8SBard Liao { 256064520e8SBard Liao int ret; 257064520e8SBard Liao 258064520e8SBard Liao if (sdev->first_boot) { 259064520e8SBard Liao struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 260064520e8SBard Liao 261064520e8SBard Liao ret = hda_sdw_startup(sdev); 262064520e8SBard Liao if (ret < 0) { 263064520e8SBard Liao dev_err(sdev->dev, "could not startup SoundWire links\n"); 264064520e8SBard Liao return ret; 265064520e8SBard Liao } 266064520e8SBard Liao 267064520e8SBard Liao /* Check if IMR boot is usable */ 268064520e8SBard Liao if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT)) 269064520e8SBard Liao hdev->imrboot_supported = true; 270064520e8SBard Liao } 271064520e8SBard Liao 272064520e8SBard Liao hda_sdw_int_enable(sdev, true); 273064520e8SBard Liao return 0; 274064520e8SBard Liao } 275064520e8SBard Liao 276064520e8SBard Liao static void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 277064520e8SBard Liao { 278064520e8SBard Liao char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; 279064520e8SBard Liao u32 romdbgsts; 280064520e8SBard Liao u32 romdbgerr; 281064520e8SBard Liao u32 fwsts; 282064520e8SBard Liao u32 fwlec; 283064520e8SBard Liao 284064520e8SBard Liao fwsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_STS); 285064520e8SBard Liao fwlec = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_ROM_ERROR); 286064520e8SBard Liao romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY); 287064520e8SBard Liao romdbgerr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY_ERROR); 288064520e8SBard Liao 289064520e8SBard Liao dev_err(sdev->dev, "ROM status: %#x, ROM error: %#x\n", fwsts, fwlec); 290064520e8SBard Liao dev_err(sdev->dev, "ROM debug status: %#x, ROM debug error: %#x\n", romdbgsts, 291064520e8SBard Liao romdbgerr); 292064520e8SBard Liao romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY + 0x8 * 3); 293064520e8SBard Liao dev_printk(level, sdev->dev, "ROM feature bit%s enabled\n", 294064520e8SBard Liao romdbgsts & BIT(24) ? "" : " not"); 295064520e8SBard Liao } 296064520e8SBard Liao 297064520e8SBard Liao static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev) 298064520e8SBard Liao { 299064520e8SBard Liao int val; 300064520e8SBard Liao 301064520e8SBard Liao val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE); 302064520e8SBard Liao if (val != U32_MAX && val & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK) 303064520e8SBard Liao return true; 304064520e8SBard Liao 305064520e8SBard Liao return false; 306064520e8SBard Liao } 307064520e8SBard Liao 308064520e8SBard Liao static int mtl_dsp_core_power_up(struct snd_sof_dev *sdev, int core) 309064520e8SBard Liao { 310064520e8SBard Liao unsigned int cpa; 311064520e8SBard Liao u32 dspcxctl; 312064520e8SBard Liao int ret; 313064520e8SBard Liao 314064520e8SBard Liao /* Only the primary core can be powered up by the host */ 315064520e8SBard Liao if (core != SOF_DSP_PRIMARY_CORE || mtl_dsp_primary_core_is_enabled(sdev)) 316064520e8SBard Liao return 0; 317064520e8SBard Liao 318064520e8SBard Liao /* Program the owner of the IP & shim registers (10: Host CPU) */ 319064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 320064520e8SBard Liao MTL_DSP2CXCTL_PRIMARY_CORE_OSEL, 321064520e8SBard Liao 0x2 << MTL_DSP2CXCTL_PRIMARY_CORE_OSEL_SHIFT); 322064520e8SBard Liao 323064520e8SBard Liao /* enable SPA bit */ 324064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 325064520e8SBard Liao MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 326064520e8SBard Liao MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK); 327064520e8SBard Liao 328064520e8SBard Liao /* Wait for unstable CPA read (1 then 0 then 1) just after setting SPA bit */ 329064520e8SBard Liao usleep_range(1000, 1010); 330064520e8SBard Liao 331064520e8SBard Liao /* poll with timeout to check if operation successful */ 332064520e8SBard Liao cpa = MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK; 333064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl, 334064520e8SBard Liao (dspcxctl & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US, 335064520e8SBard Liao HDA_DSP_RESET_TIMEOUT_US); 336740e5d87SYong Zhi if (ret < 0) 337064520e8SBard Liao dev_err(sdev->dev, "%s: timeout on MTL_DSP2CXCTL_PRIMARY_CORE read\n", 338064520e8SBard Liao __func__); 339064520e8SBard Liao 340064520e8SBard Liao return ret; 341064520e8SBard Liao } 342064520e8SBard Liao 343064520e8SBard Liao static int mtl_dsp_core_power_down(struct snd_sof_dev *sdev, int core) 344064520e8SBard Liao { 345064520e8SBard Liao u32 dspcxctl; 346064520e8SBard Liao int ret; 347064520e8SBard Liao 348064520e8SBard Liao /* Only the primary core can be powered down by the host */ 349064520e8SBard Liao if (core != SOF_DSP_PRIMARY_CORE || !mtl_dsp_primary_core_is_enabled(sdev)) 350064520e8SBard Liao return 0; 351064520e8SBard Liao 352064520e8SBard Liao /* disable SPA bit */ 353064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, 354064520e8SBard Liao MTL_DSP2CXCTL_PRIMARY_CORE_SPA_MASK, 0); 355064520e8SBard Liao 356514bc59bSYong Zhi /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */ 357064520e8SBard Liao usleep_range(1000, 1010); 358064520e8SBard Liao 359064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP2CXCTL_PRIMARY_CORE, dspcxctl, 360064520e8SBard Liao !(dspcxctl & MTL_DSP2CXCTL_PRIMARY_CORE_CPA_MASK), 361064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, 362064520e8SBard Liao HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC); 363064520e8SBard Liao if (ret < 0) 364064520e8SBard Liao dev_err(sdev->dev, "failed to power down primary core\n"); 365064520e8SBard Liao 366064520e8SBard Liao return ret; 367064520e8SBard Liao } 368064520e8SBard Liao 3692090cb9bSFred Oh static int mtl_power_down_dsp(struct snd_sof_dev *sdev) 3702090cb9bSFred Oh { 3712090cb9bSFred Oh u32 dsphfdsscs, cpa; 3722090cb9bSFred Oh int ret; 3732090cb9bSFred Oh 3742090cb9bSFred Oh /* first power down core */ 3752090cb9bSFred Oh ret = mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE); 3762090cb9bSFred Oh if (ret) { 3772090cb9bSFred Oh dev_err(sdev->dev, "mtl dsp power down error, %d\n", ret); 3782090cb9bSFred Oh return ret; 3792090cb9bSFred Oh } 3802090cb9bSFred Oh 3812090cb9bSFred Oh /* Set the DSP subsystem power down */ 3822090cb9bSFred Oh snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFDSSCS, 3832090cb9bSFred Oh MTL_HFDSSCS_SPA_MASK, 0); 3842090cb9bSFred Oh 385514bc59bSYong Zhi /* Wait for unstable CPA read (0 then 1 then 0) just after setting SPA bit */ 3862090cb9bSFred Oh usleep_range(1000, 1010); 3872090cb9bSFred Oh 3882090cb9bSFred Oh /* poll with timeout to check if operation successful */ 3892090cb9bSFred Oh cpa = MTL_HFDSSCS_CPA_MASK; 3902090cb9bSFred Oh dsphfdsscs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFDSSCS); 3912090cb9bSFred Oh return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_HFDSSCS, dsphfdsscs, 3922090cb9bSFred Oh (dsphfdsscs & cpa) == 0, HDA_DSP_REG_POLL_INTERVAL_US, 3932090cb9bSFred Oh HDA_DSP_RESET_TIMEOUT_US); 3942090cb9bSFred Oh } 3952090cb9bSFred Oh 396064520e8SBard Liao static int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot) 397064520e8SBard Liao { 398064520e8SBard Liao struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 399064520e8SBard Liao const struct sof_intel_dsp_desc *chip = hda->desc; 400064520e8SBard Liao unsigned int status; 401064520e8SBard Liao u32 ipc_hdr; 402064520e8SBard Liao int ret; 403064520e8SBard Liao 404064520e8SBard Liao /* step 1: purge FW request */ 405064520e8SBard Liao ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL; 406064520e8SBard Liao if (!imr_boot) 407064520e8SBard Liao ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9); 408064520e8SBard Liao 409064520e8SBard Liao snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr); 410064520e8SBard Liao 411064520e8SBard Liao /* step 2: power up primary core */ 412064520e8SBard Liao ret = mtl_dsp_core_power_up(sdev, SOF_DSP_PRIMARY_CORE); 413064520e8SBard Liao if (ret < 0) { 414064520e8SBard Liao if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 415064520e8SBard Liao dev_err(sdev->dev, "dsp core 0/1 power up failed\n"); 416064520e8SBard Liao goto err; 417064520e8SBard Liao } 418064520e8SBard Liao 419064520e8SBard Liao dev_dbg(sdev->dev, "Primary core power up successful\n"); 420064520e8SBard Liao 421064520e8SBard Liao /* step 3: wait for IPC DONE bit from ROM */ 422064520e8SBard Liao ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, chip->ipc_ack, status, 423064520e8SBard Liao ((status & chip->ipc_ack_mask) == chip->ipc_ack_mask), 424064520e8SBard Liao HDA_DSP_REG_POLL_INTERVAL_US, MTL_DSP_PURGE_TIMEOUT_US); 425064520e8SBard Liao if (ret < 0) { 426064520e8SBard Liao if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 427064520e8SBard Liao dev_err(sdev->dev, "timeout waiting for purge IPC done\n"); 428064520e8SBard Liao goto err; 429064520e8SBard Liao } 430064520e8SBard Liao 431064520e8SBard Liao /* set DONE bit to clear the reply IPC message */ 432064520e8SBard Liao snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR, chip->ipc_ack, chip->ipc_ack_mask, 433064520e8SBard Liao chip->ipc_ack_mask); 434064520e8SBard Liao 435064520e8SBard Liao /* step 4: enable interrupts */ 436*00f4f338SPierre-Louis Bossart ret = mtl_enable_interrupts(sdev, true); 437064520e8SBard Liao if (ret < 0) { 438064520e8SBard Liao if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) 439064520e8SBard Liao dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__); 440064520e8SBard Liao goto err; 441064520e8SBard Liao } 442064520e8SBard Liao 443064520e8SBard Liao mtl_enable_ipc_interrupts(sdev); 444064520e8SBard Liao 445064520e8SBard Liao /* 446064520e8SBard Liao * ACE workaround: don't wait for ROM INIT. 447064520e8SBard Liao * The platform cannot catch ROM_INIT_DONE because of a very short 448064520e8SBard Liao * timing window. Follow the recommendations and skip this part. 449064520e8SBard Liao */ 450064520e8SBard Liao 451064520e8SBard Liao return 0; 452064520e8SBard Liao 453064520e8SBard Liao err: 454064520e8SBard Liao snd_sof_dsp_dbg_dump(sdev, "MTL DSP init fail", 0); 455064520e8SBard Liao mtl_dsp_core_power_down(sdev, SOF_DSP_PRIMARY_CORE); 456064520e8SBard Liao return ret; 457064520e8SBard Liao } 458064520e8SBard Liao 459064520e8SBard Liao static irqreturn_t mtl_ipc_irq_thread(int irq, void *context) 460064520e8SBard Liao { 461064520e8SBard Liao struct sof_ipc4_msg notification_data = {{ 0 }}; 462064520e8SBard Liao struct snd_sof_dev *sdev = context; 463483e4cdfSPeter Ujfalusi bool ack_received = false; 464064520e8SBard Liao bool ipc_irq = false; 465064520e8SBard Liao u32 hipcida; 466064520e8SBard Liao u32 hipctdr; 467064520e8SBard Liao 468064520e8SBard Liao hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA); 469c8ed7ce2SPeter Ujfalusi hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR); 470064520e8SBard Liao 471064520e8SBard Liao /* reply message from DSP */ 472064520e8SBard Liao if (hipcida & MTL_DSP_REG_HFIPCXIDA_DONE) { 473064520e8SBard Liao /* DSP received the message */ 474064520e8SBard Liao snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL, 475064520e8SBard Liao MTL_DSP_REG_HFIPCXCTL_DONE, 0); 476064520e8SBard Liao 477064520e8SBard Liao mtl_ipc_dsp_done(sdev); 478064520e8SBard Liao 479064520e8SBard Liao ipc_irq = true; 480483e4cdfSPeter Ujfalusi ack_received = true; 481064520e8SBard Liao } 482064520e8SBard Liao 483064520e8SBard Liao if (hipctdr & MTL_DSP_REG_HFIPCXTDR_BUSY) { 484064520e8SBard Liao /* Message from DSP (reply or notification) */ 485064520e8SBard Liao u32 extension = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY); 486064520e8SBard Liao u32 primary = hipctdr & MTL_DSP_REG_HFIPCXTDR_MSG_MASK; 487064520e8SBard Liao 488064520e8SBard Liao /* 489064520e8SBard Liao * ACE fw sends a new fw ipc message to host to 490064520e8SBard Liao * notify the status of the last host ipc message 491064520e8SBard Liao */ 492064520e8SBard Liao if (primary & SOF_IPC4_MSG_DIR_MASK) { 493064520e8SBard Liao /* Reply received */ 4941549a69bSPeter Ujfalusi if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) { 495064520e8SBard Liao struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data; 496064520e8SBard Liao 497064520e8SBard Liao data->primary = primary; 498064520e8SBard Liao data->extension = extension; 499064520e8SBard Liao 500064520e8SBard Liao spin_lock_irq(&sdev->ipc_lock); 501064520e8SBard Liao 502064520e8SBard Liao snd_sof_ipc_get_reply(sdev); 503010c050fSPeter Ujfalusi mtl_ipc_host_done(sdev); 504064520e8SBard Liao snd_sof_ipc_reply(sdev, data->primary); 505064520e8SBard Liao 506064520e8SBard Liao spin_unlock_irq(&sdev->ipc_lock); 507064520e8SBard Liao } else { 5081549a69bSPeter Ujfalusi dev_dbg_ratelimited(sdev->dev, 5091549a69bSPeter Ujfalusi "IPC reply before FW_READY: %#x|%#x\n", 5101549a69bSPeter Ujfalusi primary, extension); 5111549a69bSPeter Ujfalusi } 5121549a69bSPeter Ujfalusi } else { 513064520e8SBard Liao /* Notification received */ 514064520e8SBard Liao notification_data.primary = primary; 515064520e8SBard Liao notification_data.extension = extension; 516064520e8SBard Liao 517064520e8SBard Liao sdev->ipc->msg.rx_data = ¬ification_data; 518064520e8SBard Liao snd_sof_ipc_msgs_rx(sdev); 519064520e8SBard Liao sdev->ipc->msg.rx_data = NULL; 520064520e8SBard Liao 521064520e8SBard Liao mtl_ipc_host_done(sdev); 522010c050fSPeter Ujfalusi } 523064520e8SBard Liao 524064520e8SBard Liao ipc_irq = true; 525064520e8SBard Liao } 526064520e8SBard Liao 527064520e8SBard Liao if (!ipc_irq) { 528064520e8SBard Liao /* This interrupt is not shared so no need to return IRQ_NONE. */ 529b837870fSPierre-Louis Bossart dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n"); 530064520e8SBard Liao } 531064520e8SBard Liao 532483e4cdfSPeter Ujfalusi if (ack_received) { 533483e4cdfSPeter Ujfalusi struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 534483e4cdfSPeter Ujfalusi 535483e4cdfSPeter Ujfalusi if (hdev->delayed_ipc_tx_msg) 536483e4cdfSPeter Ujfalusi mtl_ipc_send_msg(sdev, hdev->delayed_ipc_tx_msg); 537483e4cdfSPeter Ujfalusi } 538483e4cdfSPeter Ujfalusi 539064520e8SBard Liao return IRQ_HANDLED; 540064520e8SBard Liao } 541064520e8SBard Liao 542064520e8SBard Liao static int mtl_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev) 543064520e8SBard Liao { 544064520e8SBard Liao return MTL_DSP_MBOX_UPLINK_OFFSET; 545064520e8SBard Liao } 546064520e8SBard Liao 547064520e8SBard Liao static int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id) 548064520e8SBard Liao { 549064520e8SBard Liao return MTL_SRAM_WINDOW_OFFSET(id); 550064520e8SBard Liao } 551064520e8SBard Liao 552064520e8SBard Liao static void mtl_ipc_dump(struct snd_sof_dev *sdev) 553064520e8SBard Liao { 554d01784eeSPeter Ujfalusi u32 hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl; 555064520e8SBard Liao 556d01784eeSPeter Ujfalusi hipcidr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR); 557d01784eeSPeter Ujfalusi hipcidd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDDY); 558064520e8SBard Liao hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDA); 559064520e8SBard Liao hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDR); 560d01784eeSPeter Ujfalusi hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDDY); 561d01784eeSPeter Ujfalusi hipctda = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXTDA); 562d01784eeSPeter Ujfalusi hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXCTL); 563064520e8SBard Liao 564064520e8SBard Liao dev_err(sdev->dev, 565d01784eeSPeter Ujfalusi "Host IPC initiator: %#x|%#x|%#x, target: %#x|%#x|%#x, ctl: %#x\n", 566d01784eeSPeter Ujfalusi hipcidr, hipcidd, hipcida, hipctdr, hipctdd, hipctda, hipcctl); 567064520e8SBard Liao } 568064520e8SBard Liao 56939df087fSRanjani Sridharan static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev) 57039df087fSRanjani Sridharan { 57139df087fSRanjani Sridharan mtl_disable_ipc_interrupts(sdev); 572*00f4f338SPierre-Louis Bossart return mtl_enable_interrupts(sdev, false); 57339df087fSRanjani Sridharan } 57439df087fSRanjani Sridharan 575064520e8SBard Liao /* Meteorlake ops */ 576064520e8SBard Liao struct snd_sof_dsp_ops sof_mtl_ops; 577064520e8SBard Liao EXPORT_SYMBOL_NS(sof_mtl_ops, SND_SOC_SOF_INTEL_HDA_COMMON); 578064520e8SBard Liao 579064520e8SBard Liao int sof_mtl_ops_init(struct snd_sof_dev *sdev) 580064520e8SBard Liao { 581064520e8SBard Liao struct sof_ipc4_fw_data *ipc4_data; 582064520e8SBard Liao 583064520e8SBard Liao /* common defaults */ 584064520e8SBard Liao memcpy(&sof_mtl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops)); 585064520e8SBard Liao 586064520e8SBard Liao /* shutdown */ 587064520e8SBard Liao sof_mtl_ops.shutdown = hda_dsp_shutdown; 588064520e8SBard Liao 589064520e8SBard Liao /* doorbell */ 590064520e8SBard Liao sof_mtl_ops.irq_thread = mtl_ipc_irq_thread; 591064520e8SBard Liao 592064520e8SBard Liao /* ipc */ 593064520e8SBard Liao sof_mtl_ops.send_msg = mtl_ipc_send_msg; 594064520e8SBard Liao sof_mtl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset; 595064520e8SBard Liao sof_mtl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset; 596064520e8SBard Liao 597064520e8SBard Liao /* debug */ 598064520e8SBard Liao sof_mtl_ops.debug_map = mtl_dsp_debugfs; 599064520e8SBard Liao sof_mtl_ops.debug_map_count = ARRAY_SIZE(mtl_dsp_debugfs); 600064520e8SBard Liao sof_mtl_ops.dbg_dump = mtl_dsp_dump; 601064520e8SBard Liao sof_mtl_ops.ipc_dump = mtl_ipc_dump; 602064520e8SBard Liao 603064520e8SBard Liao /* pre/post fw run */ 604064520e8SBard Liao sof_mtl_ops.pre_fw_run = mtl_dsp_pre_fw_run; 605064520e8SBard Liao sof_mtl_ops.post_fw_run = mtl_dsp_post_fw_run; 606064520e8SBard Liao 607064520e8SBard Liao /* parse platform specific extended manifest */ 608064520e8SBard Liao sof_mtl_ops.parse_platform_ext_manifest = NULL; 609064520e8SBard Liao 610064520e8SBard Liao /* dsp core get/put */ 611064520e8SBard Liao /* TODO: add core_get and core_put */ 612064520e8SBard Liao 613064520e8SBard Liao sdev->private = devm_kzalloc(sdev->dev, sizeof(struct sof_ipc4_fw_data), GFP_KERNEL); 614064520e8SBard Liao if (!sdev->private) 615064520e8SBard Liao return -ENOMEM; 616064520e8SBard Liao 617064520e8SBard Liao ipc4_data = sdev->private; 618064520e8SBard Liao ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET; 619064520e8SBard Liao 620cc4a3a19SPeter Ujfalusi ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2; 621cc4a3a19SPeter Ujfalusi 6223ab2c21eSPeter Ujfalusi /* External library loading support */ 6233ab2c21eSPeter Ujfalusi ipc4_data->load_library = hda_dsp_ipc4_load_library; 6243ab2c21eSPeter Ujfalusi 625064520e8SBard Liao /* set DAI ops */ 626064520e8SBard Liao hda_set_dai_drv_ops(sdev, &sof_mtl_ops); 627064520e8SBard Liao 628064520e8SBard Liao return 0; 629064520e8SBard Liao }; 630064520e8SBard Liao EXPORT_SYMBOL_NS(sof_mtl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON); 631064520e8SBard Liao 632064520e8SBard Liao const struct sof_intel_dsp_desc mtl_chip_info = { 633064520e8SBard Liao .cores_num = 3, 634064520e8SBard Liao .init_core_mask = BIT(0), 635064520e8SBard Liao .host_managed_cores_mask = BIT(0), 636064520e8SBard Liao .ipc_req = MTL_DSP_REG_HFIPCXIDR, 637064520e8SBard Liao .ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY, 638064520e8SBard Liao .ipc_ack = MTL_DSP_REG_HFIPCXIDA, 639064520e8SBard Liao .ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE, 640064520e8SBard Liao .ipc_ctl = MTL_DSP_REG_HFIPCXCTL, 641064520e8SBard Liao .rom_status_reg = MTL_DSP_ROM_STS, 642064520e8SBard Liao .rom_init_timeout = 300, 6439ccbc2e1SPierre-Louis Bossart .ssp_count = MTL_SSP_COUNT, 644064520e8SBard Liao .ssp_base_offset = CNL_SSP_BASE_OFFSET, 645064520e8SBard Liao .sdw_shim_base = SDW_SHIM_BASE_ACE, 646064520e8SBard Liao .sdw_alh_base = SDW_ALH_BASE_ACE, 647f8632adcSRander Wang .d0i3_offset = MTL_HDA_VS_D0I3C, 648064520e8SBard Liao .check_sdw_irq = mtl_dsp_check_sdw_irq, 649064520e8SBard Liao .check_ipc_irq = mtl_dsp_check_ipc_irq, 650064520e8SBard Liao .cl_init = mtl_dsp_cl_init, 6512090cb9bSFred Oh .power_down_dsp = mtl_power_down_dsp, 65239df087fSRanjani Sridharan .disable_interrupts = mtl_dsp_disable_interrupts, 653064520e8SBard Liao .hw_ip_version = SOF_INTEL_ACE_1_0, 654064520e8SBard Liao }; 655064520e8SBard Liao EXPORT_SYMBOL_NS(mtl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON); 656