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) 2021, 2023 Advanced Micro Devices, Inc. All rights reserved.
7 *
8 * Author: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9 */
10
11#ifndef __SOF_AMD_ACP_H
12#define __SOF_AMD_ACP_H
13
14#include <linux/dmi.h>
15#include <linux/soundwire/sdw_amd.h>
16#include "../sof-priv.h"
17#include "../sof-audio.h"
18
19#define ACP_MAX_STREAM	8
20
21#define ACP_DSP_BAR	0
22
23#define ACP_HW_SEM_RETRY_COUNT			10000
24#define ACP_REG_POLL_INTERVAL                   500
25#define ACP_REG_POLL_TIMEOUT_US                 2000
26#define ACP_DMA_COMPLETE_TIMEOUT_US		5000
27
28#define ACP_PGFSM_CNTL_POWER_ON_MASK		0x01
29#define ACP_PGFSM_STATUS_MASK			0x03
30#define ACP_POWERED_ON				0x00
31#define ACP_ASSERT_RESET			0x01
32#define ACP_RELEASE_RESET			0x00
33#define ACP_SOFT_RESET_DONE_MASK		0x00010001
34#define ACP_DSP_ASSERT_RESET			0x04
35#define ACP_DSP_RELEASE_RESET			0x00
36#define ACP_DSP_SOFT_RESET_DONE_MASK		0x00050004
37
38#define ACP_DSP_INTR_EN_MASK			0x00000001
39#define ACP3X_SRAM_PTE_OFFSET			0x02050000
40#define ACP5X_SRAM_PTE_OFFSET			0x02050000
41#define ACP6X_SRAM_PTE_OFFSET			0x03800000
42#define PAGE_SIZE_4K_ENABLE			0x2
43#define ACP_PAGE_SIZE				0x1000
44#define ACP_DMA_CH_RUN				0x02
45#define ACP_MAX_DESC_CNT			0x02
46#define DSP_FW_RUN_ENABLE			0x01
47#define ACP_SHA_RUN				0x01
48#define ACP_SHA_RESET				0x02
49#define ACP_SHA_HEADER				0x01
50#define ACP_DMA_CH_RST				0x01
51#define ACP_DMA_CH_GRACEFUL_RST_EN		0x10
52#define ACP_ATU_CACHE_INVALID			0x01
53#define ACP_MAX_DESC				128
54#define ACPBUS_REG_BASE_OFFSET			ACP_DMA_CNTL_0
55
56#define ACP_DEFAULT_DRAM_LENGTH			0x00080000
57#define ACP3X_SCRATCH_MEMORY_ADDRESS		0x02050000
58#define ACP_SYSTEM_MEMORY_WINDOW		0x4000000
59#define ACP_IRAM_BASE_ADDRESS			0x000000
60#define ACP_DRAM_BASE_ADDRESS			0x01000000
61#define ACP_DRAM_PAGE_COUNT			128
62#define ACP_SRAM_BASE_ADDRESS			0x3806000
63#define ACP_DSP_TO_HOST_IRQ			0x04
64
65#define ACP_RN_PCI_ID				0x01
66#define ACP_VANGOGH_PCI_ID			0x50
67#define ACP_RMB_PCI_ID				0x6F
68#define ACP63_PCI_ID				0x63
69
70#define HOST_BRIDGE_CZN				0x1630
71#define HOST_BRIDGE_VGH				0x1645
72#define HOST_BRIDGE_RMB				0x14B5
73#define HOST_BRIDGE_ACP63			0x14E8
74#define ACP_SHA_STAT				0x8000
75#define ACP_PSP_TIMEOUT_US			1000000
76#define ACP_EXT_INTR_ERROR_STAT			0x20000000
77#define MP0_C2PMSG_114_REG			0x3810AC8
78#define MP0_C2PMSG_73_REG			0x3810A24
79#define MBOX_ACP_SHA_DMA_COMMAND		0x70000
80#define MBOX_ACP_IRAM_DRAM_FENCE_COMMAND	0x80000
81#define MBOX_DELAY_US				1000
82#define MBOX_READY_MASK				0x80000000
83#define MBOX_STATUS_MASK			0xFFFF
84#define MBOX_ISREADY_FLAG			0x40000000
85#define IRAM_DRAM_FENCE_0			0X0
86#define IRAM_DRAM_FENCE_1			0X01
87#define IRAM_DRAM_FENCE_2			0X02
88
89#define BOX_SIZE_512				0x200
90#define BOX_SIZE_1024				0x400
91
92#define EXCEPT_MAX_HDR_SIZE			0x400
93#define AMD_STACK_DUMP_SIZE			32
94
95#define SRAM1_SIZE				0x280000
96#define PROBE_STATUS_BIT			BIT(31)
97
98#define ACP_FIRMWARE_SIGNATURE			0x100
99#define ACP_ERROR_IRQ_MASK			BIT(29)
100#define ACP_SDW0_IRQ_MASK			BIT(21)
101#define ACP_SDW1_IRQ_MASK			BIT(2)
102#define SDW_ACPI_ADDR_ACP63			5
103#define ACP_DEFAULT_SRAM_LENGTH			0x00080000
104#define ACP_SRAM_PAGE_COUNT			128
105#define ACP6X_SDW_MAX_MANAGER_COUNT		2
106
107enum clock_source {
108	ACP_CLOCK_96M = 0,
109	ACP_CLOCK_48M,
110	ACP_CLOCK_24M,
111	ACP_CLOCK_ACLK,
112	ACP_CLOCK_MCLK,
113};
114
115struct  acp_atu_grp_pte {
116	u32 low;
117	u32 high;
118};
119
120union dma_tx_cnt {
121	struct {
122		unsigned int count : 19;
123		unsigned int reserved : 12;
124		unsigned ioc : 1;
125	} bitfields, bits;
126	unsigned int u32_all;
127	signed int i32_all;
128};
129
130struct dma_descriptor {
131	unsigned int src_addr;
132	unsigned int dest_addr;
133	union dma_tx_cnt tx_cnt;
134	unsigned int reserved;
135};
136
137/* Scratch memory structure for communication b/w host and dsp */
138struct  scratch_ipc_conf {
139	/* Debug memory */
140	u8 sof_debug_box[1024];
141	/* Exception memory*/
142	u8 sof_except_box[1024];
143	/* Stream buffer */
144	u8 sof_stream_box[1024];
145	/* Trace buffer */
146	u8 sof_trace_box[1024];
147	/* Host msg flag */
148	u32 sof_host_msg_write;
149	/* Host ack flag*/
150	u32 sof_host_ack_write;
151	/* DSP msg flag */
152	u32 sof_dsp_msg_write;
153	/* Dsp ack flag */
154	u32 sof_dsp_ack_write;
155};
156
157struct  scratch_reg_conf {
158	struct scratch_ipc_conf info;
159	struct acp_atu_grp_pte grp1_pte[16];
160	struct acp_atu_grp_pte grp2_pte[16];
161	struct acp_atu_grp_pte grp3_pte[16];
162	struct acp_atu_grp_pte grp4_pte[16];
163	struct acp_atu_grp_pte grp5_pte[16];
164	struct acp_atu_grp_pte grp6_pte[16];
165	struct acp_atu_grp_pte grp7_pte[16];
166	struct acp_atu_grp_pte grp8_pte[16];
167	struct dma_descriptor dma_desc[64];
168	unsigned int reg_offset[8];
169	unsigned int buf_size[8];
170	u8 acp_tx_fifo_buf[256];
171	u8 acp_rx_fifo_buf[256];
172	unsigned int    reserve[];
173};
174
175struct acp_dsp_stream {
176	struct list_head list;
177	struct snd_sof_dev *sdev;
178	struct snd_pcm_substream *substream;
179	struct snd_dma_buffer *dmab;
180	int num_pages;
181	int stream_tag;
182	int active;
183	unsigned int reg_offset;
184	size_t posn_offset;
185	struct snd_compr_stream *cstream;
186	u64 cstream_posn;
187};
188
189struct sof_amd_acp_desc {
190	unsigned int rev;
191	const char *name;
192	unsigned int host_bridge_id;
193	u32 pgfsm_base;
194	u32 ext_intr_enb;
195	u32 ext_intr_cntl;
196	u32 ext_intr_stat;
197	u32 ext_intr_stat1;
198	u32 dsp_intr_base;
199	u32 sram_pte_offset;
200	u32 hw_semaphore_offset;
201	u32 acp_clkmux_sel;
202	u32 fusion_dsp_offset;
203	u32 probe_reg_offset;
204	u32 reg_start_addr;
205	u32 reg_end_addr;
206	u32 sdw_max_link_count;
207	u64 sdw_acpi_dev_addr;
208};
209
210struct acp_quirk_entry {
211	bool signed_fw_image;
212	bool skip_iram_dram_size_mod;
213};
214
215/* Common device data struct for ACP devices */
216struct acp_dev_data {
217	struct snd_sof_dev  *dev;
218	const struct firmware *fw_dbin;
219	/* DMIC device */
220	struct platform_device *dmic_dev;
221	/* mutex lock to protect ACP common registers access */
222	struct mutex acp_lock;
223	/* ACPI information stored between scan and probe steps */
224	struct sdw_amd_acpi_info info;
225	/* sdw context allocated by SoundWire driver */
226	struct sdw_amd_ctx *sdw;
227	unsigned int fw_bin_size;
228	unsigned int fw_data_bin_size;
229	unsigned int fw_sram_data_bin_size;
230	const char *fw_code_bin;
231	const char *fw_data_bin;
232	const char *fw_sram_data_bin;
233	u32 fw_bin_page_count;
234	u32 fw_data_bin_page_count;
235	u32 addr;
236	u32 reg_range;
237	u32 blk_type;
238	dma_addr_t sha_dma_addr;
239	u8 *bin_buf;
240	dma_addr_t dma_addr;
241	u8 *data_buf;
242	dma_addr_t sram_dma_addr;
243	u8 *sram_data_buf;
244	struct acp_quirk_entry *quirks;
245	struct dma_descriptor dscr_info[ACP_MAX_DESC];
246	struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
247	struct acp_dsp_stream *dtrace_stream;
248	struct pci_dev *smn_dev;
249	struct acp_dsp_stream *probe_stream;
250	bool enable_fw_debug;
251	bool is_dram_in_use;
252	bool is_sram_in_use;
253	bool sdw_en_stat;
254};
255
256void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
257void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes);
258
259int acp_dma_status(struct acp_dev_data *adata, unsigned char ch);
260int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr,
261			  unsigned int dest_addr, int dsp_data_size);
262int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
263			      unsigned int start_addr, unsigned int dest_addr,
264			      unsigned int image_length);
265
266/* ACP device probe/remove */
267int amd_sof_acp_probe(struct snd_sof_dev *sdev);
268void amd_sof_acp_remove(struct snd_sof_dev *sdev);
269
270/* DSP Loader callbacks */
271int acp_sof_dsp_run(struct snd_sof_dev *sdev);
272int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev);
273int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev);
274int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
275
276/* Block IO callbacks */
277int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
278			u32 offset, void *src, size_t size);
279int acp_dsp_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
280		       u32 offset, void *dest, size_t size);
281
282/* IPC callbacks */
283irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context);
284int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sps,
285			 void *p, size_t sz);
286int acp_set_stream_data_offset(struct snd_sof_dev *sdev,
287			       struct snd_sof_pcm_stream *sps,
288			       size_t posn_offset);
289int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev,
290			 struct snd_sof_ipc_msg *msg);
291int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev);
292int acp_sof_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
293void acp_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
294void acp_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
295
296/* ACP - DSP  stream callbacks */
297int acp_dsp_stream_config(struct snd_sof_dev *sdev, struct acp_dsp_stream *stream);
298int acp_dsp_stream_init(struct snd_sof_dev *sdev);
299struct acp_dsp_stream *acp_dsp_stream_get(struct snd_sof_dev *sdev, int tag);
300int acp_dsp_stream_put(struct snd_sof_dev *sdev, struct acp_dsp_stream *acp_stream);
301
302/*
303 * DSP PCM Operations.
304 */
305int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
306int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
307int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
308		      struct snd_pcm_hw_params *params,
309		      struct snd_sof_platform_stream_params *platform_params);
310snd_pcm_uframes_t acp_pcm_pointer(struct snd_sof_dev *sdev,
311				  struct snd_pcm_substream *substream);
312
313extern struct snd_sof_dsp_ops sof_acp_common_ops;
314
315extern struct snd_sof_dsp_ops sof_renoir_ops;
316int sof_renoir_ops_init(struct snd_sof_dev *sdev);
317extern struct snd_sof_dsp_ops sof_vangogh_ops;
318int sof_vangogh_ops_init(struct snd_sof_dev *sdev);
319extern struct snd_sof_dsp_ops sof_rembrandt_ops;
320int sof_rembrandt_ops_init(struct snd_sof_dev *sdev);
321extern struct snd_sof_dsp_ops sof_acp63_ops;
322int sof_acp63_ops_init(struct snd_sof_dev *sdev);
323
324struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev);
325/* Machine configuration */
326int snd_amd_acp_find_config(struct pci_dev *pci);
327
328/* Trace */
329int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
330		       struct sof_ipc_dma_trace_params_ext *dtrace_params);
331int acp_sof_trace_release(struct snd_sof_dev *sdev);
332
333/* PM Callbacks */
334int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state);
335int amd_sof_acp_resume(struct snd_sof_dev *sdev);
336
337void amd_sof_ipc_dump(struct snd_sof_dev *sdev);
338void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags);
339
340static inline const struct sof_amd_acp_desc *get_chip_info(struct snd_sof_pdata *pdata)
341{
342	const struct sof_dev_desc *desc = pdata->desc;
343
344	return desc->chip_info;
345}
346
347int acp_probes_register(struct snd_sof_dev *sdev);
348void acp_probes_unregister(struct snd_sof_dev *sdev);
349
350extern struct snd_soc_acpi_mach snd_soc_acpi_amd_vangogh_sof_machines[];
351extern const struct dmi_system_id acp_sof_quirk_table[];
352#endif
353