bdw.c 18 KB

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  1. // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
  2. //
  3. // This file is provided under a dual BSD/GPLv2 license. When using or
  4. // redistributing this file, you may do so under either license.
  5. //
  6. // Copyright(c) 2018 Intel Corporation
  7. //
  8. // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
  9. //
  10. /*
  11. * Hardware interface for audio DSP on Broadwell
  12. */
  13. #include <linux/module.h>
  14. #include <sound/sof.h>
  15. #include <sound/sof/xtensa.h>
  16. #include <sound/soc-acpi.h>
  17. #include <sound/soc-acpi-intel-match.h>
  18. #include <sound/intel-dsp-config.h>
  19. #include "../ops.h"
  20. #include "shim.h"
  21. #include "../sof-acpi-dev.h"
  22. #include "../sof-audio.h"
  23. /* BARs */
  24. #define BDW_DSP_BAR 0
  25. #define BDW_PCI_BAR 1
  26. /*
  27. * Debug
  28. */
  29. /* DSP memories for BDW */
  30. #define IRAM_OFFSET 0xA0000
  31. #define BDW_IRAM_SIZE (10 * 32 * 1024)
  32. #define DRAM_OFFSET 0x00000
  33. #define BDW_DRAM_SIZE (20 * 32 * 1024)
  34. #define SHIM_OFFSET 0xFB000
  35. #define SHIM_SIZE 0x100
  36. #define MBOX_OFFSET 0x9E000
  37. #define MBOX_SIZE 0x1000
  38. #define MBOX_DUMP_SIZE 0x30
  39. #define EXCEPT_OFFSET 0x800
  40. #define EXCEPT_MAX_HDR_SIZE 0x400
  41. /* DSP peripherals */
  42. #define DMAC0_OFFSET 0xFE000
  43. #define DMAC1_OFFSET 0xFF000
  44. #define DMAC_SIZE 0x420
  45. #define SSP0_OFFSET 0xFC000
  46. #define SSP1_OFFSET 0xFD000
  47. #define SSP_SIZE 0x100
  48. #define BDW_STACK_DUMP_SIZE 32
  49. #define BDW_PANIC_OFFSET(x) ((x) & 0xFFFF)
  50. static const struct snd_sof_debugfs_map bdw_debugfs[] = {
  51. {"dmac0", BDW_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
  52. SOF_DEBUGFS_ACCESS_ALWAYS},
  53. {"dmac1", BDW_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
  54. SOF_DEBUGFS_ACCESS_ALWAYS},
  55. {"ssp0", BDW_DSP_BAR, SSP0_OFFSET, SSP_SIZE,
  56. SOF_DEBUGFS_ACCESS_ALWAYS},
  57. {"ssp1", BDW_DSP_BAR, SSP1_OFFSET, SSP_SIZE,
  58. SOF_DEBUGFS_ACCESS_ALWAYS},
  59. {"iram", BDW_DSP_BAR, IRAM_OFFSET, BDW_IRAM_SIZE,
  60. SOF_DEBUGFS_ACCESS_D0_ONLY},
  61. {"dram", BDW_DSP_BAR, DRAM_OFFSET, BDW_DRAM_SIZE,
  62. SOF_DEBUGFS_ACCESS_D0_ONLY},
  63. {"shim", BDW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE,
  64. SOF_DEBUGFS_ACCESS_ALWAYS},
  65. };
  66. static void bdw_host_done(struct snd_sof_dev *sdev);
  67. static void bdw_dsp_done(struct snd_sof_dev *sdev);
  68. /*
  69. * DSP Control.
  70. */
  71. static int bdw_run(struct snd_sof_dev *sdev)
  72. {
  73. /* set opportunistic mode on engine 0,1 for all channels */
  74. snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
  75. SHIM_HMDC_HDDA_E0_ALLCH |
  76. SHIM_HMDC_HDDA_E1_ALLCH, 0);
  77. /* set DSP to RUN */
  78. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
  79. SHIM_CSR_STALL, 0x0);
  80. /* return init core mask */
  81. return 1;
  82. }
  83. static int bdw_reset(struct snd_sof_dev *sdev)
  84. {
  85. /* put DSP into reset and stall */
  86. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
  87. SHIM_CSR_RST | SHIM_CSR_STALL,
  88. SHIM_CSR_RST | SHIM_CSR_STALL);
  89. /* keep in reset for 10ms */
  90. mdelay(10);
  91. /* take DSP out of reset and keep stalled for FW loading */
  92. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
  93. SHIM_CSR_RST | SHIM_CSR_STALL,
  94. SHIM_CSR_STALL);
  95. return 0;
  96. }
  97. static int bdw_set_dsp_D0(struct snd_sof_dev *sdev)
  98. {
  99. int tries = 10;
  100. u32 reg;
  101. /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */
  102. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
  103. PCI_VDRTCL2_DCLCGE |
  104. PCI_VDRTCL2_DTCGE, 0);
  105. /* Disable D3PG (VDRTCTL0.D3PGD = 1) */
  106. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
  107. PCI_VDRTCL0_D3PGD, PCI_VDRTCL0_D3PGD);
  108. /* Set D0 state */
  109. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_PMCS,
  110. PCI_PMCS_PS_MASK, 0);
  111. /* check that ADSP shim is enabled */
  112. while (tries--) {
  113. reg = readl(sdev->bar[BDW_PCI_BAR] + PCI_PMCS)
  114. & PCI_PMCS_PS_MASK;
  115. if (reg == 0)
  116. goto finish;
  117. msleep(20);
  118. }
  119. return -ENODEV;
  120. finish:
  121. /*
  122. * select SSP1 19.2MHz base clock, SSP clock 0,
  123. * turn off Low Power Clock
  124. */
  125. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
  126. SHIM_CSR_S1IOCS | SHIM_CSR_SBCS1 |
  127. SHIM_CSR_LPCS, 0x0);
  128. /* stall DSP core, set clk to 192/96Mhz */
  129. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
  130. SHIM_CSR, SHIM_CSR_STALL |
  131. SHIM_CSR_DCS_MASK,
  132. SHIM_CSR_STALL |
  133. SHIM_CSR_DCS(4));
  134. /* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */
  135. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CLKCTL,
  136. SHIM_CLKCTL_MASK |
  137. SHIM_CLKCTL_DCPLCG |
  138. SHIM_CLKCTL_SCOE0,
  139. SHIM_CLKCTL_MASK |
  140. SHIM_CLKCTL_DCPLCG |
  141. SHIM_CLKCTL_SCOE0);
  142. /* Stall and reset core, set CSR */
  143. bdw_reset(sdev);
  144. /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */
  145. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
  146. PCI_VDRTCL2_DCLCGE |
  147. PCI_VDRTCL2_DTCGE,
  148. PCI_VDRTCL2_DCLCGE |
  149. PCI_VDRTCL2_DTCGE);
  150. usleep_range(50, 55);
  151. /* switch on audio PLL */
  152. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
  153. PCI_VDRTCL2_APLLSE_MASK, 0);
  154. /*
  155. * set default power gating control, enable power gating control for
  156. * all blocks. that is, can't be accessed, please enable each block
  157. * before accessing.
  158. */
  159. snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
  160. 0xfffffffC, 0x0);
  161. /* disable DMA finish function for SSP0 & SSP1 */
  162. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR2,
  163. SHIM_CSR2_SDFD_SSP1,
  164. SHIM_CSR2_SDFD_SSP1);
  165. /* set on-demond mode on engine 0,1 for all channels */
  166. snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
  167. SHIM_HMDC_HDDA_E0_ALLCH |
  168. SHIM_HMDC_HDDA_E1_ALLCH,
  169. SHIM_HMDC_HDDA_E0_ALLCH |
  170. SHIM_HMDC_HDDA_E1_ALLCH);
  171. /* Enable Interrupt from both sides */
  172. snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRX,
  173. (SHIM_IMRX_BUSY | SHIM_IMRX_DONE), 0x0);
  174. snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRD,
  175. (SHIM_IMRD_DONE | SHIM_IMRD_BUSY |
  176. SHIM_IMRD_SSP0 | SHIM_IMRD_DMAC), 0x0);
  177. /* clear IPC registers */
  178. snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, 0x0);
  179. snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCD, 0x0);
  180. snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0x80, 0x6);
  181. snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0xe0, 0x300a);
  182. return 0;
  183. }
  184. static void bdw_get_registers(struct snd_sof_dev *sdev,
  185. struct sof_ipc_dsp_oops_xtensa *xoops,
  186. struct sof_ipc_panic_info *panic_info,
  187. u32 *stack, size_t stack_words)
  188. {
  189. u32 offset = sdev->dsp_oops_offset;
  190. /* first read registers */
  191. sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
  192. /* note: variable AR register array is not read */
  193. /* then get panic info */
  194. if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
  195. dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
  196. xoops->arch_hdr.totalsize);
  197. return;
  198. }
  199. offset += xoops->arch_hdr.totalsize;
  200. sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
  201. /* then get the stack */
  202. offset += sizeof(*panic_info);
  203. sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
  204. }
  205. static void bdw_dump(struct snd_sof_dev *sdev, u32 flags)
  206. {
  207. struct sof_ipc_dsp_oops_xtensa xoops;
  208. struct sof_ipc_panic_info panic_info;
  209. u32 stack[BDW_STACK_DUMP_SIZE];
  210. u32 status, panic, imrx, imrd;
  211. /* now try generic SOF status messages */
  212. status = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
  213. panic = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
  214. bdw_get_registers(sdev, &xoops, &panic_info, stack,
  215. BDW_STACK_DUMP_SIZE);
  216. sof_print_oops_and_stack(sdev, KERN_ERR, status, panic, &xoops,
  217. &panic_info, stack, BDW_STACK_DUMP_SIZE);
  218. /* provide some context for firmware debug */
  219. imrx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRX);
  220. imrd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRD);
  221. dev_err(sdev->dev,
  222. "error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n",
  223. (panic & SHIM_IPCX_BUSY) ? "yes" : "no",
  224. (panic & SHIM_IPCX_DONE) ? "yes" : "no", panic);
  225. dev_err(sdev->dev,
  226. "error: mask host: pending %s complete %s raw 0x%8.8x\n",
  227. (imrx & SHIM_IMRX_BUSY) ? "yes" : "no",
  228. (imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx);
  229. dev_err(sdev->dev,
  230. "error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n",
  231. (status & SHIM_IPCD_BUSY) ? "yes" : "no",
  232. (status & SHIM_IPCD_DONE) ? "yes" : "no", status);
  233. dev_err(sdev->dev,
  234. "error: mask DSP: pending %s complete %s raw 0x%8.8x\n",
  235. (imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
  236. (imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
  237. }
  238. /*
  239. * IPC Doorbell IRQ handler and thread.
  240. */
  241. static irqreturn_t bdw_irq_handler(int irq, void *context)
  242. {
  243. struct snd_sof_dev *sdev = context;
  244. u32 isr;
  245. int ret = IRQ_NONE;
  246. /* Interrupt arrived, check src */
  247. isr = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_ISRX);
  248. if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY))
  249. ret = IRQ_WAKE_THREAD;
  250. return ret;
  251. }
  252. static irqreturn_t bdw_irq_thread(int irq, void *context)
  253. {
  254. struct snd_sof_dev *sdev = context;
  255. u32 ipcx, ipcd, imrx;
  256. imrx = snd_sof_dsp_read64(sdev, BDW_DSP_BAR, SHIM_IMRX);
  257. ipcx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
  258. /* reply message from DSP */
  259. if (ipcx & SHIM_IPCX_DONE &&
  260. !(imrx & SHIM_IMRX_DONE)) {
  261. /* Mask Done interrupt before return */
  262. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
  263. SHIM_IMRX, SHIM_IMRX_DONE,
  264. SHIM_IMRX_DONE);
  265. spin_lock_irq(&sdev->ipc_lock);
  266. /*
  267. * handle immediate reply from DSP core. If the msg is
  268. * found, set done bit in cmd_done which is called at the
  269. * end of message processing function, else set it here
  270. * because the done bit can't be set in cmd_done function
  271. * which is triggered by msg
  272. */
  273. snd_sof_ipc_process_reply(sdev, ipcx);
  274. bdw_dsp_done(sdev);
  275. spin_unlock_irq(&sdev->ipc_lock);
  276. }
  277. ipcd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
  278. /* new message from DSP */
  279. if (ipcd & SHIM_IPCD_BUSY &&
  280. !(imrx & SHIM_IMRX_BUSY)) {
  281. /* Mask Busy interrupt before return */
  282. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
  283. SHIM_IMRX, SHIM_IMRX_BUSY,
  284. SHIM_IMRX_BUSY);
  285. /* Handle messages from DSP Core */
  286. if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
  287. snd_sof_dsp_panic(sdev, BDW_PANIC_OFFSET(ipcx) + MBOX_OFFSET,
  288. true);
  289. } else {
  290. snd_sof_ipc_msgs_rx(sdev);
  291. }
  292. bdw_host_done(sdev);
  293. }
  294. return IRQ_HANDLED;
  295. }
  296. /*
  297. * IPC Mailbox IO
  298. */
  299. static int bdw_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
  300. {
  301. /* send the message */
  302. sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
  303. msg->msg_size);
  304. snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, SHIM_IPCX_BUSY);
  305. return 0;
  306. }
  307. static int bdw_get_mailbox_offset(struct snd_sof_dev *sdev)
  308. {
  309. return MBOX_OFFSET;
  310. }
  311. static int bdw_get_window_offset(struct snd_sof_dev *sdev, u32 id)
  312. {
  313. return MBOX_OFFSET;
  314. }
  315. static void bdw_host_done(struct snd_sof_dev *sdev)
  316. {
  317. /* clear BUSY bit and set DONE bit - accept new messages */
  318. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCD,
  319. SHIM_IPCD_BUSY | SHIM_IPCD_DONE,
  320. SHIM_IPCD_DONE);
  321. /* unmask busy interrupt */
  322. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
  323. SHIM_IMRX_BUSY, 0);
  324. }
  325. static void bdw_dsp_done(struct snd_sof_dev *sdev)
  326. {
  327. /* clear DONE bit - tell DSP we have completed */
  328. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCX,
  329. SHIM_IPCX_DONE, 0);
  330. /* unmask Done interrupt */
  331. snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
  332. SHIM_IMRX_DONE, 0);
  333. }
  334. /*
  335. * Probe and remove.
  336. */
  337. static int bdw_probe(struct snd_sof_dev *sdev)
  338. {
  339. struct snd_sof_pdata *pdata = sdev->pdata;
  340. const struct sof_dev_desc *desc = pdata->desc;
  341. struct platform_device *pdev =
  342. container_of(sdev->dev, struct platform_device, dev);
  343. const struct sof_intel_dsp_desc *chip;
  344. struct resource *mmio;
  345. u32 base, size;
  346. int ret;
  347. chip = get_chip_info(sdev->pdata);
  348. if (!chip) {
  349. dev_err(sdev->dev, "error: no such device supported\n");
  350. return -EIO;
  351. }
  352. sdev->num_cores = chip->cores_num;
  353. /* LPE base */
  354. mmio = platform_get_resource(pdev, IORESOURCE_MEM,
  355. desc->resindex_lpe_base);
  356. if (mmio) {
  357. base = mmio->start;
  358. size = resource_size(mmio);
  359. } else {
  360. dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n",
  361. desc->resindex_lpe_base);
  362. return -EINVAL;
  363. }
  364. dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
  365. sdev->bar[BDW_DSP_BAR] = devm_ioremap(sdev->dev, base, size);
  366. if (!sdev->bar[BDW_DSP_BAR]) {
  367. dev_err(sdev->dev,
  368. "error: failed to ioremap LPE base 0x%x size 0x%x\n",
  369. base, size);
  370. return -ENODEV;
  371. }
  372. dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BDW_DSP_BAR]);
  373. /* TODO: add offsets */
  374. sdev->mmio_bar = BDW_DSP_BAR;
  375. sdev->mailbox_bar = BDW_DSP_BAR;
  376. sdev->dsp_oops_offset = MBOX_OFFSET;
  377. /* PCI base */
  378. mmio = platform_get_resource(pdev, IORESOURCE_MEM,
  379. desc->resindex_pcicfg_base);
  380. if (mmio) {
  381. base = mmio->start;
  382. size = resource_size(mmio);
  383. } else {
  384. dev_err(sdev->dev, "error: failed to get PCI base at idx %d\n",
  385. desc->resindex_pcicfg_base);
  386. return -ENODEV;
  387. }
  388. dev_dbg(sdev->dev, "PCI base at 0x%x size 0x%x", base, size);
  389. sdev->bar[BDW_PCI_BAR] = devm_ioremap(sdev->dev, base, size);
  390. if (!sdev->bar[BDW_PCI_BAR]) {
  391. dev_err(sdev->dev,
  392. "error: failed to ioremap PCI base 0x%x size 0x%x\n",
  393. base, size);
  394. return -ENODEV;
  395. }
  396. dev_dbg(sdev->dev, "PCI VADDR %p\n", sdev->bar[BDW_PCI_BAR]);
  397. /* register our IRQ */
  398. sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc);
  399. if (sdev->ipc_irq < 0)
  400. return sdev->ipc_irq;
  401. dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
  402. ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
  403. bdw_irq_handler, bdw_irq_thread,
  404. IRQF_SHARED, "AudioDSP", sdev);
  405. if (ret < 0) {
  406. dev_err(sdev->dev, "error: failed to register IRQ %d\n",
  407. sdev->ipc_irq);
  408. return ret;
  409. }
  410. /* enable the DSP SHIM */
  411. ret = bdw_set_dsp_D0(sdev);
  412. if (ret < 0) {
  413. dev_err(sdev->dev, "error: failed to set DSP D0\n");
  414. return ret;
  415. }
  416. /* DSP DMA can only access low 31 bits of host memory */
  417. ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31));
  418. if (ret < 0) {
  419. dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
  420. return ret;
  421. }
  422. /* set default mailbox offset for FW ready message */
  423. sdev->dsp_box.offset = MBOX_OFFSET;
  424. return ret;
  425. }
  426. static struct snd_soc_acpi_mach *bdw_machine_select(struct snd_sof_dev *sdev)
  427. {
  428. struct snd_sof_pdata *sof_pdata = sdev->pdata;
  429. const struct sof_dev_desc *desc = sof_pdata->desc;
  430. struct snd_soc_acpi_mach *mach;
  431. mach = snd_soc_acpi_find_machine(desc->machines);
  432. if (!mach) {
  433. dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
  434. return NULL;
  435. }
  436. sof_pdata->tplg_filename = mach->sof_tplg_filename;
  437. mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
  438. return mach;
  439. }
  440. static void bdw_set_mach_params(struct snd_soc_acpi_mach *mach,
  441. struct snd_sof_dev *sdev)
  442. {
  443. struct snd_sof_pdata *pdata = sdev->pdata;
  444. const struct sof_dev_desc *desc = pdata->desc;
  445. struct snd_soc_acpi_mach_params *mach_params;
  446. mach_params = &mach->mach_params;
  447. mach_params->platform = dev_name(sdev->dev);
  448. mach_params->num_dai_drivers = desc->ops->num_drv;
  449. mach_params->dai_drivers = desc->ops->drv;
  450. }
  451. /* Broadwell DAIs */
  452. static struct snd_soc_dai_driver bdw_dai[] = {
  453. {
  454. .name = "ssp0-port",
  455. .playback = {
  456. .channels_min = 1,
  457. .channels_max = 8,
  458. },
  459. .capture = {
  460. .channels_min = 1,
  461. .channels_max = 8,
  462. },
  463. },
  464. {
  465. .name = "ssp1-port",
  466. .playback = {
  467. .channels_min = 1,
  468. .channels_max = 8,
  469. },
  470. .capture = {
  471. .channels_min = 1,
  472. .channels_max = 8,
  473. },
  474. },
  475. };
  476. /* broadwell ops */
  477. static const struct snd_sof_dsp_ops sof_bdw_ops = {
  478. /*Device init */
  479. .probe = bdw_probe,
  480. /* DSP Core Control */
  481. .run = bdw_run,
  482. .reset = bdw_reset,
  483. /* Register IO uses direct mmio */
  484. /* Block IO */
  485. .block_read = sof_block_read,
  486. .block_write = sof_block_write,
  487. /* Mailbox IO */
  488. .mailbox_read = sof_mailbox_read,
  489. .mailbox_write = sof_mailbox_write,
  490. /* ipc */
  491. .send_msg = bdw_send_msg,
  492. .get_mailbox_offset = bdw_get_mailbox_offset,
  493. .get_window_offset = bdw_get_window_offset,
  494. .ipc_msg_data = sof_ipc_msg_data,
  495. .set_stream_data_offset = sof_set_stream_data_offset,
  496. /* machine driver */
  497. .machine_select = bdw_machine_select,
  498. .machine_register = sof_machine_register,
  499. .machine_unregister = sof_machine_unregister,
  500. .set_mach_params = bdw_set_mach_params,
  501. /* debug */
  502. .debug_map = bdw_debugfs,
  503. .debug_map_count = ARRAY_SIZE(bdw_debugfs),
  504. .dbg_dump = bdw_dump,
  505. .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
  506. /* stream callbacks */
  507. .pcm_open = sof_stream_pcm_open,
  508. .pcm_close = sof_stream_pcm_close,
  509. /*Firmware loading */
  510. .load_firmware = snd_sof_load_firmware_memcpy,
  511. /* DAI drivers */
  512. .drv = bdw_dai,
  513. .num_drv = ARRAY_SIZE(bdw_dai),
  514. /* ALSA HW info flags */
  515. .hw_info = SNDRV_PCM_INFO_MMAP |
  516. SNDRV_PCM_INFO_MMAP_VALID |
  517. SNDRV_PCM_INFO_INTERLEAVED |
  518. SNDRV_PCM_INFO_PAUSE |
  519. SNDRV_PCM_INFO_BATCH,
  520. .dsp_arch_ops = &sof_xtensa_arch_ops,
  521. };
  522. static const struct sof_intel_dsp_desc bdw_chip_info = {
  523. .cores_num = 1,
  524. .host_managed_cores_mask = 1,
  525. .hw_ip_version = SOF_INTEL_BROADWELL,
  526. };
  527. static const struct sof_dev_desc sof_acpi_broadwell_desc = {
  528. .machines = snd_soc_acpi_intel_broadwell_machines,
  529. .resindex_lpe_base = 0,
  530. .resindex_pcicfg_base = 1,
  531. .resindex_imr_base = -1,
  532. .irqindex_host_ipc = 0,
  533. .chip_info = &bdw_chip_info,
  534. .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
  535. .ipc_default = SOF_IPC_TYPE_3,
  536. .default_fw_path = {
  537. [SOF_IPC_TYPE_3] = "intel/sof",
  538. },
  539. .default_tplg_path = {
  540. [SOF_IPC_TYPE_3] = "intel/sof-tplg",
  541. },
  542. .default_fw_filename = {
  543. [SOF_IPC_TYPE_3] = "sof-bdw.ri",
  544. },
  545. .nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
  546. .ops = &sof_bdw_ops,
  547. };
  548. static const struct acpi_device_id sof_broadwell_match[] = {
  549. { "INT3438", (unsigned long)&sof_acpi_broadwell_desc },
  550. { }
  551. };
  552. MODULE_DEVICE_TABLE(acpi, sof_broadwell_match);
  553. static int sof_broadwell_probe(struct platform_device *pdev)
  554. {
  555. struct device *dev = &pdev->dev;
  556. const struct acpi_device_id *id;
  557. const struct sof_dev_desc *desc;
  558. int ret;
  559. id = acpi_match_device(dev->driver->acpi_match_table, dev);
  560. if (!id)
  561. return -ENODEV;
  562. ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);
  563. if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
  564. dev_dbg(dev, "SOF ACPI driver not selected, aborting probe\n");
  565. return -ENODEV;
  566. }
  567. desc = (const struct sof_dev_desc *)id->driver_data;
  568. return sof_acpi_probe(pdev, desc);
  569. }
  570. /* acpi_driver definition */
  571. static struct platform_driver snd_sof_acpi_intel_bdw_driver = {
  572. .probe = sof_broadwell_probe,
  573. .remove = sof_acpi_remove,
  574. .driver = {
  575. .name = "sof-audio-acpi-intel-bdw",
  576. .pm = &sof_acpi_pm,
  577. .acpi_match_table = sof_broadwell_match,
  578. },
  579. };
  580. module_platform_driver(snd_sof_acpi_intel_bdw_driver);
  581. MODULE_LICENSE("Dual BSD/GPL");
  582. MODULE_DESCRIPTION("SOF support for Broadwell platforms");
  583. MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
  584. MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
  585. MODULE_IMPORT_NS(SND_SOC_SOF_ACPI_DEV);