| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * cs_dsp.c -- Cirrus Logic DSP firmware support |
| * |
| * Based on sound/soc/codecs/wm_adsp.c |
| * |
| * Copyright 2012 Wolfson Microelectronics plc |
| * Copyright (C) 2015-2021 Cirrus Logic, Inc. and |
| * Cirrus Logic International Semiconductor Ltd. |
| */ |
| |
| #include <linux/ctype.h> |
| #include <linux/debugfs.h> |
| #include <linux/delay.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| |
| #include <linux/firmware/cirrus/cs_dsp.h> |
| #include <linux/firmware/cirrus/wmfw.h> |
| |
| #define cs_dsp_err(_dsp, fmt, ...) \ |
| dev_err(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__) |
| #define cs_dsp_warn(_dsp, fmt, ...) \ |
| dev_warn(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__) |
| #define cs_dsp_info(_dsp, fmt, ...) \ |
| dev_info(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__) |
| #define cs_dsp_dbg(_dsp, fmt, ...) \ |
| dev_dbg(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__) |
| |
| #define ADSP1_CONTROL_1 0x00 |
| #define ADSP1_CONTROL_2 0x02 |
| #define ADSP1_CONTROL_3 0x03 |
| #define ADSP1_CONTROL_4 0x04 |
| #define ADSP1_CONTROL_5 0x06 |
| #define ADSP1_CONTROL_6 0x07 |
| #define ADSP1_CONTROL_7 0x08 |
| #define ADSP1_CONTROL_8 0x09 |
| #define ADSP1_CONTROL_9 0x0A |
| #define ADSP1_CONTROL_10 0x0B |
| #define ADSP1_CONTROL_11 0x0C |
| #define ADSP1_CONTROL_12 0x0D |
| #define ADSP1_CONTROL_13 0x0F |
| #define ADSP1_CONTROL_14 0x10 |
| #define ADSP1_CONTROL_15 0x11 |
| #define ADSP1_CONTROL_16 0x12 |
| #define ADSP1_CONTROL_17 0x13 |
| #define ADSP1_CONTROL_18 0x14 |
| #define ADSP1_CONTROL_19 0x16 |
| #define ADSP1_CONTROL_20 0x17 |
| #define ADSP1_CONTROL_21 0x18 |
| #define ADSP1_CONTROL_22 0x1A |
| #define ADSP1_CONTROL_23 0x1B |
| #define ADSP1_CONTROL_24 0x1C |
| #define ADSP1_CONTROL_25 0x1E |
| #define ADSP1_CONTROL_26 0x20 |
| #define ADSP1_CONTROL_27 0x21 |
| #define ADSP1_CONTROL_28 0x22 |
| #define ADSP1_CONTROL_29 0x23 |
| #define ADSP1_CONTROL_30 0x24 |
| #define ADSP1_CONTROL_31 0x26 |
| |
| /* |
| * ADSP1 Control 19 |
| */ |
| #define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ |
| #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ |
| #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ |
| |
| /* |
| * ADSP1 Control 30 |
| */ |
| #define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */ |
| #define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */ |
| #define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */ |
| #define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */ |
| #define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */ |
| #define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */ |
| #define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */ |
| #define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */ |
| #define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */ |
| #define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */ |
| #define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */ |
| #define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */ |
| #define ADSP1_START 0x0001 /* DSP1_START */ |
| #define ADSP1_START_MASK 0x0001 /* DSP1_START */ |
| #define ADSP1_START_SHIFT 0 /* DSP1_START */ |
| #define ADSP1_START_WIDTH 1 /* DSP1_START */ |
| |
| /* |
| * ADSP1 Control 31 |
| */ |
| #define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */ |
| #define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */ |
| #define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */ |
| |
| #define ADSP2_CONTROL 0x0 |
| #define ADSP2_CLOCKING 0x1 |
| #define ADSP2V2_CLOCKING 0x2 |
| #define ADSP2_STATUS1 0x4 |
| #define ADSP2_WDMA_CONFIG_1 0x30 |
| #define ADSP2_WDMA_CONFIG_2 0x31 |
| #define ADSP2V2_WDMA_CONFIG_2 0x32 |
| #define ADSP2_RDMA_CONFIG_1 0x34 |
| |
| #define ADSP2_SCRATCH0 0x40 |
| #define ADSP2_SCRATCH1 0x41 |
| #define ADSP2_SCRATCH2 0x42 |
| #define ADSP2_SCRATCH3 0x43 |
| |
| #define ADSP2V2_SCRATCH0_1 0x40 |
| #define ADSP2V2_SCRATCH2_3 0x42 |
| |
| /* |
| * ADSP2 Control |
| */ |
| #define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */ |
| #define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */ |
| #define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */ |
| #define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */ |
| #define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */ |
| #define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */ |
| #define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */ |
| #define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */ |
| #define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */ |
| #define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */ |
| #define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */ |
| #define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */ |
| #define ADSP2_START 0x0001 /* DSP1_START */ |
| #define ADSP2_START_MASK 0x0001 /* DSP1_START */ |
| #define ADSP2_START_SHIFT 0 /* DSP1_START */ |
| #define ADSP2_START_WIDTH 1 /* DSP1_START */ |
| |
| /* |
| * ADSP2 clocking |
| */ |
| #define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */ |
| #define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */ |
| #define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */ |
| |
| /* |
| * ADSP2V2 clocking |
| */ |
| #define ADSP2V2_CLK_SEL_MASK 0x70000 /* CLK_SEL_ENA */ |
| #define ADSP2V2_CLK_SEL_SHIFT 16 /* CLK_SEL_ENA */ |
| #define ADSP2V2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */ |
| |
| #define ADSP2V2_RATE_MASK 0x7800 /* DSP_RATE */ |
| #define ADSP2V2_RATE_SHIFT 11 /* DSP_RATE */ |
| #define ADSP2V2_RATE_WIDTH 4 /* DSP_RATE */ |
| |
| /* |
| * ADSP2 Status 1 |
| */ |
| #define ADSP2_RAM_RDY 0x0001 |
| #define ADSP2_RAM_RDY_MASK 0x0001 |
| #define ADSP2_RAM_RDY_SHIFT 0 |
| #define ADSP2_RAM_RDY_WIDTH 1 |
| |
| /* |
| * ADSP2 Lock support |
| */ |
| #define ADSP2_LOCK_CODE_0 0x5555 |
| #define ADSP2_LOCK_CODE_1 0xAAAA |
| |
| #define ADSP2_WATCHDOG 0x0A |
| #define ADSP2_BUS_ERR_ADDR 0x52 |
| #define ADSP2_REGION_LOCK_STATUS 0x64 |
| #define ADSP2_LOCK_REGION_1_LOCK_REGION_0 0x66 |
| #define ADSP2_LOCK_REGION_3_LOCK_REGION_2 0x68 |
| #define ADSP2_LOCK_REGION_5_LOCK_REGION_4 0x6A |
| #define ADSP2_LOCK_REGION_7_LOCK_REGION_6 0x6C |
| #define ADSP2_LOCK_REGION_9_LOCK_REGION_8 0x6E |
| #define ADSP2_LOCK_REGION_CTRL 0x7A |
| #define ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR 0x7C |
| |
| #define ADSP2_REGION_LOCK_ERR_MASK 0x8000 |
| #define ADSP2_ADDR_ERR_MASK 0x4000 |
| #define ADSP2_WDT_TIMEOUT_STS_MASK 0x2000 |
| #define ADSP2_CTRL_ERR_PAUSE_ENA 0x0002 |
| #define ADSP2_CTRL_ERR_EINT 0x0001 |
| |
| #define ADSP2_BUS_ERR_ADDR_MASK 0x00FFFFFF |
| #define ADSP2_XMEM_ERR_ADDR_MASK 0x0000FFFF |
| #define ADSP2_PMEM_ERR_ADDR_MASK 0x7FFF0000 |
| #define ADSP2_PMEM_ERR_ADDR_SHIFT 16 |
| #define ADSP2_WDT_ENA_MASK 0xFFFFFFFD |
| |
| #define ADSP2_LOCK_REGION_SHIFT 16 |
| |
| /* |
| * Event control messages |
| */ |
| #define CS_DSP_FW_EVENT_SHUTDOWN 0x000001 |
| |
| /* |
| * HALO system info |
| */ |
| #define HALO_AHBM_WINDOW_DEBUG_0 0x02040 |
| #define HALO_AHBM_WINDOW_DEBUG_1 0x02044 |
| |
| /* |
| * HALO core |
| */ |
| #define HALO_SCRATCH1 0x005c0 |
| #define HALO_SCRATCH2 0x005c8 |
| #define HALO_SCRATCH3 0x005d0 |
| #define HALO_SCRATCH4 0x005d8 |
| #define HALO_CCM_CORE_CONTROL 0x41000 |
| #define HALO_CORE_SOFT_RESET 0x00010 |
| #define HALO_WDT_CONTROL 0x47000 |
| |
| /* |
| * HALO MPU banks |
| */ |
| #define HALO_MPU_XMEM_ACCESS_0 0x43000 |
| #define HALO_MPU_YMEM_ACCESS_0 0x43004 |
| #define HALO_MPU_WINDOW_ACCESS_0 0x43008 |
| #define HALO_MPU_XREG_ACCESS_0 0x4300C |
| #define HALO_MPU_YREG_ACCESS_0 0x43014 |
| #define HALO_MPU_XMEM_ACCESS_1 0x43018 |
| #define HALO_MPU_YMEM_ACCESS_1 0x4301C |
| #define HALO_MPU_WINDOW_ACCESS_1 0x43020 |
| #define HALO_MPU_XREG_ACCESS_1 0x43024 |
| #define HALO_MPU_YREG_ACCESS_1 0x4302C |
| #define HALO_MPU_XMEM_ACCESS_2 0x43030 |
| #define HALO_MPU_YMEM_ACCESS_2 0x43034 |
| #define HALO_MPU_WINDOW_ACCESS_2 0x43038 |
| #define HALO_MPU_XREG_ACCESS_2 0x4303C |
| #define HALO_MPU_YREG_ACCESS_2 0x43044 |
| #define HALO_MPU_XMEM_ACCESS_3 0x43048 |
| #define HALO_MPU_YMEM_ACCESS_3 0x4304C |
| #define HALO_MPU_WINDOW_ACCESS_3 0x43050 |
| #define HALO_MPU_XREG_ACCESS_3 0x43054 |
| #define HALO_MPU_YREG_ACCESS_3 0x4305C |
| #define HALO_MPU_XM_VIO_ADDR 0x43100 |
| #define HALO_MPU_XM_VIO_STATUS 0x43104 |
| #define HALO_MPU_YM_VIO_ADDR 0x43108 |
| #define HALO_MPU_YM_VIO_STATUS 0x4310C |
| #define HALO_MPU_PM_VIO_ADDR 0x43110 |
| #define HALO_MPU_PM_VIO_STATUS 0x43114 |
| #define HALO_MPU_LOCK_CONFIG 0x43140 |
| |
| /* |
| * HALO_AHBM_WINDOW_DEBUG_1 |
| */ |
| #define HALO_AHBM_CORE_ERR_ADDR_MASK 0x0fffff00 |
| #define HALO_AHBM_CORE_ERR_ADDR_SHIFT 8 |
| #define HALO_AHBM_FLAGS_ERR_MASK 0x000000ff |
| |
| /* |
| * HALO_CCM_CORE_CONTROL |
| */ |
| #define HALO_CORE_RESET 0x00000200 |
| #define HALO_CORE_EN 0x00000001 |
| |
| /* |
| * HALO_CORE_SOFT_RESET |
| */ |
| #define HALO_CORE_SOFT_RESET_MASK 0x00000001 |
| |
| /* |
| * HALO_WDT_CONTROL |
| */ |
| #define HALO_WDT_EN_MASK 0x00000001 |
| |
| /* |
| * HALO_MPU_?M_VIO_STATUS |
| */ |
| #define HALO_MPU_VIO_STS_MASK 0x007e0000 |
| #define HALO_MPU_VIO_STS_SHIFT 17 |
| #define HALO_MPU_VIO_ERR_WR_MASK 0x00008000 |
| #define HALO_MPU_VIO_ERR_SRC_MASK 0x00007fff |
| #define HALO_MPU_VIO_ERR_SRC_SHIFT 0 |
| |
| struct cs_dsp_ops { |
| bool (*validate_version)(struct cs_dsp *dsp, unsigned int version); |
| unsigned int (*parse_sizes)(struct cs_dsp *dsp, |
| const char * const file, |
| unsigned int pos, |
| const struct firmware *firmware); |
| int (*setup_algs)(struct cs_dsp *dsp); |
| unsigned int (*region_to_reg)(struct cs_dsp_region const *mem, |
| unsigned int offset); |
| |
| void (*show_fw_status)(struct cs_dsp *dsp); |
| void (*stop_watchdog)(struct cs_dsp *dsp); |
| |
| int (*enable_memory)(struct cs_dsp *dsp); |
| void (*disable_memory)(struct cs_dsp *dsp); |
| int (*lock_memory)(struct cs_dsp *dsp, unsigned int lock_regions); |
| |
| int (*enable_core)(struct cs_dsp *dsp); |
| void (*disable_core)(struct cs_dsp *dsp); |
| |
| int (*start_core)(struct cs_dsp *dsp); |
| void (*stop_core)(struct cs_dsp *dsp); |
| }; |
| |
| static const struct cs_dsp_ops cs_dsp_adsp1_ops; |
| static const struct cs_dsp_ops cs_dsp_adsp2_ops[]; |
| static const struct cs_dsp_ops cs_dsp_halo_ops; |
| |
| struct cs_dsp_buf { |
| struct list_head list; |
| void *buf; |
| }; |
| |
| static struct cs_dsp_buf *cs_dsp_buf_alloc(const void *src, size_t len, |
| struct list_head *list) |
| { |
| struct cs_dsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL); |
| |
| if (buf == NULL) |
| return NULL; |
| |
| buf->buf = vmalloc(len); |
| if (!buf->buf) { |
| kfree(buf); |
| return NULL; |
| } |
| memcpy(buf->buf, src, len); |
| |
| if (list) |
| list_add_tail(&buf->list, list); |
| |
| return buf; |
| } |
| |
| static void cs_dsp_buf_free(struct list_head *list) |
| { |
| while (!list_empty(list)) { |
| struct cs_dsp_buf *buf = list_first_entry(list, |
| struct cs_dsp_buf, |
| list); |
| list_del(&buf->list); |
| vfree(buf->buf); |
| kfree(buf); |
| } |
| } |
| |
| /** |
| * cs_dsp_mem_region_name() - Return a name string for a memory type |
| * @type: the memory type to match |
| * |
| * Return: A const string identifying the memory region. |
| */ |
| const char *cs_dsp_mem_region_name(unsigned int type) |
| { |
| switch (type) { |
| case WMFW_ADSP1_PM: |
| return "PM"; |
| case WMFW_HALO_PM_PACKED: |
| return "PM_PACKED"; |
| case WMFW_ADSP1_DM: |
| return "DM"; |
| case WMFW_ADSP2_XM: |
| return "XM"; |
| case WMFW_HALO_XM_PACKED: |
| return "XM_PACKED"; |
| case WMFW_ADSP2_YM: |
| return "YM"; |
| case WMFW_HALO_YM_PACKED: |
| return "YM_PACKED"; |
| case WMFW_ADSP1_ZM: |
| return "ZM"; |
| default: |
| return NULL; |
| } |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_mem_region_name); |
| |
| #ifdef CONFIG_DEBUG_FS |
| static void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp, const char *s) |
| { |
| char *tmp = kasprintf(GFP_KERNEL, "%s\n", s); |
| |
| kfree(dsp->wmfw_file_name); |
| dsp->wmfw_file_name = tmp; |
| } |
| |
| static void cs_dsp_debugfs_save_binname(struct cs_dsp *dsp, const char *s) |
| { |
| char *tmp = kasprintf(GFP_KERNEL, "%s\n", s); |
| |
| kfree(dsp->bin_file_name); |
| dsp->bin_file_name = tmp; |
| } |
| |
| static void cs_dsp_debugfs_clear(struct cs_dsp *dsp) |
| { |
| kfree(dsp->wmfw_file_name); |
| kfree(dsp->bin_file_name); |
| dsp->wmfw_file_name = NULL; |
| dsp->bin_file_name = NULL; |
| } |
| |
| static ssize_t cs_dsp_debugfs_wmfw_read(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct cs_dsp *dsp = file->private_data; |
| ssize_t ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| if (!dsp->wmfw_file_name || !dsp->booted) |
| ret = 0; |
| else |
| ret = simple_read_from_buffer(user_buf, count, ppos, |
| dsp->wmfw_file_name, |
| strlen(dsp->wmfw_file_name)); |
| |
| mutex_unlock(&dsp->pwr_lock); |
| return ret; |
| } |
| |
| static ssize_t cs_dsp_debugfs_bin_read(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct cs_dsp *dsp = file->private_data; |
| ssize_t ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| if (!dsp->bin_file_name || !dsp->booted) |
| ret = 0; |
| else |
| ret = simple_read_from_buffer(user_buf, count, ppos, |
| dsp->bin_file_name, |
| strlen(dsp->bin_file_name)); |
| |
| mutex_unlock(&dsp->pwr_lock); |
| return ret; |
| } |
| |
| static const struct { |
| const char *name; |
| const struct file_operations fops; |
| } cs_dsp_debugfs_fops[] = { |
| { |
| .name = "wmfw_file_name", |
| .fops = { |
| .open = simple_open, |
| .read = cs_dsp_debugfs_wmfw_read, |
| }, |
| }, |
| { |
| .name = "bin_file_name", |
| .fops = { |
| .open = simple_open, |
| .read = cs_dsp_debugfs_bin_read, |
| }, |
| }, |
| }; |
| |
| /** |
| * cs_dsp_init_debugfs() - Create and populate DSP representation in debugfs |
| * @dsp: pointer to DSP structure |
| * @debugfs_root: pointer to debugfs directory in which to create this DSP |
| * representation |
| */ |
| void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root) |
| { |
| struct dentry *root = NULL; |
| int i; |
| |
| root = debugfs_create_dir(dsp->name, debugfs_root); |
| |
| debugfs_create_bool("booted", 0444, root, &dsp->booted); |
| debugfs_create_bool("running", 0444, root, &dsp->running); |
| debugfs_create_x32("fw_id", 0444, root, &dsp->fw_id); |
| debugfs_create_x32("fw_version", 0444, root, &dsp->fw_id_version); |
| |
| for (i = 0; i < ARRAY_SIZE(cs_dsp_debugfs_fops); ++i) |
| debugfs_create_file(cs_dsp_debugfs_fops[i].name, 0444, root, |
| dsp, &cs_dsp_debugfs_fops[i].fops); |
| |
| dsp->debugfs_root = root; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_init_debugfs); |
| |
| /** |
| * cs_dsp_cleanup_debugfs() - Removes DSP representation from debugfs |
| * @dsp: pointer to DSP structure |
| */ |
| void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp) |
| { |
| cs_dsp_debugfs_clear(dsp); |
| debugfs_remove_recursive(dsp->debugfs_root); |
| dsp->debugfs_root = NULL; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_cleanup_debugfs); |
| #else |
| void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root) |
| { |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_init_debugfs); |
| |
| void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp) |
| { |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_cleanup_debugfs); |
| |
| static inline void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp, |
| const char *s) |
| { |
| } |
| |
| static inline void cs_dsp_debugfs_save_binname(struct cs_dsp *dsp, |
| const char *s) |
| { |
| } |
| |
| static inline void cs_dsp_debugfs_clear(struct cs_dsp *dsp) |
| { |
| } |
| #endif |
| |
| static const struct cs_dsp_region *cs_dsp_find_region(struct cs_dsp *dsp, |
| int type) |
| { |
| int i; |
| |
| for (i = 0; i < dsp->num_mems; i++) |
| if (dsp->mem[i].type == type) |
| return &dsp->mem[i]; |
| |
| return NULL; |
| } |
| |
| static unsigned int cs_dsp_region_to_reg(struct cs_dsp_region const *mem, |
| unsigned int offset) |
| { |
| switch (mem->type) { |
| case WMFW_ADSP1_PM: |
| return mem->base + (offset * 3); |
| case WMFW_ADSP1_DM: |
| case WMFW_ADSP2_XM: |
| case WMFW_ADSP2_YM: |
| case WMFW_ADSP1_ZM: |
| return mem->base + (offset * 2); |
| default: |
| WARN(1, "Unknown memory region type"); |
| return offset; |
| } |
| } |
| |
| static unsigned int cs_dsp_halo_region_to_reg(struct cs_dsp_region const *mem, |
| unsigned int offset) |
| { |
| switch (mem->type) { |
| case WMFW_ADSP2_XM: |
| case WMFW_ADSP2_YM: |
| return mem->base + (offset * 4); |
| case WMFW_HALO_XM_PACKED: |
| case WMFW_HALO_YM_PACKED: |
| return (mem->base + (offset * 3)) & ~0x3; |
| case WMFW_HALO_PM_PACKED: |
| return mem->base + (offset * 5); |
| default: |
| WARN(1, "Unknown memory region type"); |
| return offset; |
| } |
| } |
| |
| static void cs_dsp_read_fw_status(struct cs_dsp *dsp, |
| int noffs, unsigned int *offs) |
| { |
| unsigned int i; |
| int ret; |
| |
| for (i = 0; i < noffs; ++i) { |
| ret = regmap_read(dsp->regmap, dsp->base + offs[i], &offs[i]); |
| if (ret) { |
| cs_dsp_err(dsp, "Failed to read SCRATCH%u: %d\n", i, ret); |
| return; |
| } |
| } |
| } |
| |
| static void cs_dsp_adsp2_show_fw_status(struct cs_dsp *dsp) |
| { |
| unsigned int offs[] = { |
| ADSP2_SCRATCH0, ADSP2_SCRATCH1, ADSP2_SCRATCH2, ADSP2_SCRATCH3, |
| }; |
| |
| cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs); |
| |
| cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n", |
| offs[0], offs[1], offs[2], offs[3]); |
| } |
| |
| static void cs_dsp_adsp2v2_show_fw_status(struct cs_dsp *dsp) |
| { |
| unsigned int offs[] = { ADSP2V2_SCRATCH0_1, ADSP2V2_SCRATCH2_3 }; |
| |
| cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs); |
| |
| cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n", |
| offs[0] & 0xFFFF, offs[0] >> 16, |
| offs[1] & 0xFFFF, offs[1] >> 16); |
| } |
| |
| static void cs_dsp_halo_show_fw_status(struct cs_dsp *dsp) |
| { |
| unsigned int offs[] = { |
| HALO_SCRATCH1, HALO_SCRATCH2, HALO_SCRATCH3, HALO_SCRATCH4, |
| }; |
| |
| cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs); |
| |
| cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n", |
| offs[0], offs[1], offs[2], offs[3]); |
| } |
| |
| static int cs_dsp_coeff_base_reg(struct cs_dsp_coeff_ctl *ctl, unsigned int *reg, |
| unsigned int off) |
| { |
| const struct cs_dsp_alg_region *alg_region = &ctl->alg_region; |
| struct cs_dsp *dsp = ctl->dsp; |
| const struct cs_dsp_region *mem; |
| |
| mem = cs_dsp_find_region(dsp, alg_region->type); |
| if (!mem) { |
| cs_dsp_err(dsp, "No base for region %x\n", |
| alg_region->type); |
| return -EINVAL; |
| } |
| |
| *reg = dsp->ops->region_to_reg(mem, ctl->alg_region.base + ctl->offset + off); |
| |
| return 0; |
| } |
| |
| /** |
| * cs_dsp_coeff_write_acked_control() - Sends event_id to the acked control |
| * @ctl: pointer to acked coefficient control |
| * @event_id: the value to write to the given acked control |
| * |
| * Once the value has been written to the control the function shall block |
| * until the running firmware acknowledges the write or timeout is exceeded. |
| * |
| * Must be called with pwr_lock held. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_coeff_write_acked_control(struct cs_dsp_coeff_ctl *ctl, unsigned int event_id) |
| { |
| struct cs_dsp *dsp = ctl->dsp; |
| __be32 val = cpu_to_be32(event_id); |
| unsigned int reg; |
| int i, ret; |
| |
| lockdep_assert_held(&dsp->pwr_lock); |
| |
| if (!dsp->running) |
| return -EPERM; |
| |
| ret = cs_dsp_coeff_base_reg(ctl, ®, 0); |
| if (ret) |
| return ret; |
| |
| cs_dsp_dbg(dsp, "Sending 0x%x to acked control alg 0x%x %s:0x%x\n", |
| event_id, ctl->alg_region.alg, |
| cs_dsp_mem_region_name(ctl->alg_region.type), ctl->offset); |
| |
| ret = regmap_raw_write(dsp->regmap, reg, &val, sizeof(val)); |
| if (ret) { |
| cs_dsp_err(dsp, "Failed to write %x: %d\n", reg, ret); |
| return ret; |
| } |
| |
| /* |
| * Poll for ack, we initially poll at ~1ms intervals for firmwares |
| * that respond quickly, then go to ~10ms polls. A firmware is unlikely |
| * to ack instantly so we do the first 1ms delay before reading the |
| * control to avoid a pointless bus transaction |
| */ |
| for (i = 0; i < CS_DSP_ACKED_CTL_TIMEOUT_MS;) { |
| switch (i) { |
| case 0 ... CS_DSP_ACKED_CTL_N_QUICKPOLLS - 1: |
| usleep_range(1000, 2000); |
| i++; |
| break; |
| default: |
| usleep_range(10000, 20000); |
| i += 10; |
| break; |
| } |
| |
| ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val)); |
| if (ret) { |
| cs_dsp_err(dsp, "Failed to read %x: %d\n", reg, ret); |
| return ret; |
| } |
| |
| if (val == 0) { |
| cs_dsp_dbg(dsp, "Acked control ACKED at poll %u\n", i); |
| return 0; |
| } |
| } |
| |
| cs_dsp_warn(dsp, "Acked control @0x%x alg:0x%x %s:0x%x timed out\n", |
| reg, ctl->alg_region.alg, |
| cs_dsp_mem_region_name(ctl->alg_region.type), |
| ctl->offset); |
| |
| return -ETIMEDOUT; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_coeff_write_acked_control); |
| |
| static int cs_dsp_coeff_write_ctrl_raw(struct cs_dsp_coeff_ctl *ctl, |
| unsigned int off, const void *buf, size_t len) |
| { |
| struct cs_dsp *dsp = ctl->dsp; |
| void *scratch; |
| int ret; |
| unsigned int reg; |
| |
| ret = cs_dsp_coeff_base_reg(ctl, ®, off); |
| if (ret) |
| return ret; |
| |
| scratch = kmemdup(buf, len, GFP_KERNEL | GFP_DMA); |
| if (!scratch) |
| return -ENOMEM; |
| |
| ret = regmap_raw_write(dsp->regmap, reg, scratch, |
| len); |
| if (ret) { |
| cs_dsp_err(dsp, "Failed to write %zu bytes to %x: %d\n", |
| len, reg, ret); |
| kfree(scratch); |
| return ret; |
| } |
| cs_dsp_dbg(dsp, "Wrote %zu bytes to %x\n", len, reg); |
| |
| kfree(scratch); |
| |
| return 0; |
| } |
| |
| /** |
| * cs_dsp_coeff_write_ctrl() - Writes the given buffer to the given coefficient control |
| * @ctl: pointer to coefficient control |
| * @off: word offset at which data should be written |
| * @buf: the buffer to write to the given control |
| * @len: the length of the buffer in bytes |
| * |
| * Must be called with pwr_lock held. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_coeff_write_ctrl(struct cs_dsp_coeff_ctl *ctl, |
| unsigned int off, const void *buf, size_t len) |
| { |
| int ret = 0; |
| |
| if (!ctl) |
| return -ENOENT; |
| |
| lockdep_assert_held(&ctl->dsp->pwr_lock); |
| |
| if (len + off * sizeof(u32) > ctl->len) |
| return -EINVAL; |
| |
| if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) |
| ret = -EPERM; |
| else if (buf != ctl->cache) |
| memcpy(ctl->cache + off * sizeof(u32), buf, len); |
| |
| ctl->set = 1; |
| if (ctl->enabled && ctl->dsp->running) |
| ret = cs_dsp_coeff_write_ctrl_raw(ctl, off, buf, len); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_coeff_write_ctrl); |
| |
| static int cs_dsp_coeff_read_ctrl_raw(struct cs_dsp_coeff_ctl *ctl, |
| unsigned int off, void *buf, size_t len) |
| { |
| struct cs_dsp *dsp = ctl->dsp; |
| void *scratch; |
| int ret; |
| unsigned int reg; |
| |
| ret = cs_dsp_coeff_base_reg(ctl, ®, off); |
| if (ret) |
| return ret; |
| |
| scratch = kmalloc(len, GFP_KERNEL | GFP_DMA); |
| if (!scratch) |
| return -ENOMEM; |
| |
| ret = regmap_raw_read(dsp->regmap, reg, scratch, len); |
| if (ret) { |
| cs_dsp_err(dsp, "Failed to read %zu bytes from %x: %d\n", |
| len, reg, ret); |
| kfree(scratch); |
| return ret; |
| } |
| cs_dsp_dbg(dsp, "Read %zu bytes from %x\n", len, reg); |
| |
| memcpy(buf, scratch, len); |
| kfree(scratch); |
| |
| return 0; |
| } |
| |
| /** |
| * cs_dsp_coeff_read_ctrl() - Reads the given coefficient control into the given buffer |
| * @ctl: pointer to coefficient control |
| * @off: word offset at which data should be read |
| * @buf: the buffer to store to the given control |
| * @len: the length of the buffer in bytes |
| * |
| * Must be called with pwr_lock held. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_coeff_read_ctrl(struct cs_dsp_coeff_ctl *ctl, |
| unsigned int off, void *buf, size_t len) |
| { |
| int ret = 0; |
| |
| if (!ctl) |
| return -ENOENT; |
| |
| lockdep_assert_held(&ctl->dsp->pwr_lock); |
| |
| if (len + off * sizeof(u32) > ctl->len) |
| return -EINVAL; |
| |
| if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) { |
| if (ctl->enabled && ctl->dsp->running) |
| return cs_dsp_coeff_read_ctrl_raw(ctl, off, buf, len); |
| else |
| return -EPERM; |
| } else { |
| if (!ctl->flags && ctl->enabled && ctl->dsp->running) |
| ret = cs_dsp_coeff_read_ctrl_raw(ctl, 0, ctl->cache, ctl->len); |
| |
| if (buf != ctl->cache) |
| memcpy(buf, ctl->cache + off * sizeof(u32), len); |
| } |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_coeff_read_ctrl); |
| |
| static int cs_dsp_coeff_init_control_caches(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| int ret; |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) { |
| if (!ctl->enabled || ctl->set) |
| continue; |
| if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) |
| continue; |
| |
| /* |
| * For readable controls populate the cache from the DSP memory. |
| * For non-readable controls the cache was zero-filled when |
| * created so we don't need to do anything. |
| */ |
| if (!ctl->flags || (ctl->flags & WMFW_CTL_FLAG_READABLE)) { |
| ret = cs_dsp_coeff_read_ctrl_raw(ctl, 0, ctl->cache, ctl->len); |
| if (ret < 0) |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int cs_dsp_coeff_sync_controls(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| int ret; |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) { |
| if (!ctl->enabled) |
| continue; |
| if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) { |
| ret = cs_dsp_coeff_write_ctrl_raw(ctl, 0, ctl->cache, |
| ctl->len); |
| if (ret < 0) |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void cs_dsp_signal_event_controls(struct cs_dsp *dsp, |
| unsigned int event) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| int ret; |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) { |
| if (ctl->type != WMFW_CTL_TYPE_HOSTEVENT) |
| continue; |
| |
| if (!ctl->enabled) |
| continue; |
| |
| ret = cs_dsp_coeff_write_acked_control(ctl, event); |
| if (ret) |
| cs_dsp_warn(dsp, |
| "Failed to send 0x%x event to alg 0x%x (%d)\n", |
| event, ctl->alg_region.alg, ret); |
| } |
| } |
| |
| static void cs_dsp_free_ctl_blk(struct cs_dsp_coeff_ctl *ctl) |
| { |
| kfree(ctl->cache); |
| kfree(ctl->subname); |
| kfree(ctl); |
| } |
| |
| static int cs_dsp_create_control(struct cs_dsp *dsp, |
| const struct cs_dsp_alg_region *alg_region, |
| unsigned int offset, unsigned int len, |
| const char *subname, unsigned int subname_len, |
| unsigned int flags, unsigned int type) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| int ret; |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) { |
| if (ctl->fw_name == dsp->fw_name && |
| ctl->alg_region.alg == alg_region->alg && |
| ctl->alg_region.type == alg_region->type) { |
| if ((!subname && !ctl->subname) || |
| (subname && !strncmp(ctl->subname, subname, ctl->subname_len))) { |
| if (!ctl->enabled) |
| ctl->enabled = 1; |
| return 0; |
| } |
| } |
| } |
| |
| ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); |
| if (!ctl) |
| return -ENOMEM; |
| |
| ctl->fw_name = dsp->fw_name; |
| ctl->alg_region = *alg_region; |
| if (subname && dsp->fw_ver >= 2) { |
| ctl->subname_len = subname_len; |
| ctl->subname = kasprintf(GFP_KERNEL, "%.*s", subname_len, subname); |
| if (!ctl->subname) { |
| ret = -ENOMEM; |
| goto err_ctl; |
| } |
| } |
| ctl->enabled = 1; |
| ctl->set = 0; |
| ctl->dsp = dsp; |
| |
| ctl->flags = flags; |
| ctl->type = type; |
| ctl->offset = offset; |
| ctl->len = len; |
| ctl->cache = kzalloc(ctl->len, GFP_KERNEL); |
| if (!ctl->cache) { |
| ret = -ENOMEM; |
| goto err_ctl_subname; |
| } |
| |
| list_add(&ctl->list, &dsp->ctl_list); |
| |
| if (dsp->client_ops->control_add) { |
| ret = dsp->client_ops->control_add(ctl); |
| if (ret) |
| goto err_list_del; |
| } |
| |
| return 0; |
| |
| err_list_del: |
| list_del(&ctl->list); |
| kfree(ctl->cache); |
| err_ctl_subname: |
| kfree(ctl->subname); |
| err_ctl: |
| kfree(ctl); |
| |
| return ret; |
| } |
| |
| struct cs_dsp_coeff_parsed_alg { |
| int id; |
| const u8 *name; |
| int name_len; |
| int ncoeff; |
| }; |
| |
| struct cs_dsp_coeff_parsed_coeff { |
| int offset; |
| int mem_type; |
| const u8 *name; |
| int name_len; |
| unsigned int ctl_type; |
| int flags; |
| int len; |
| }; |
| |
| static int cs_dsp_coeff_parse_string(int bytes, const u8 **pos, const u8 **str) |
| { |
| int length; |
| |
| switch (bytes) { |
| case 1: |
| length = **pos; |
| break; |
| case 2: |
| length = le16_to_cpu(*((__le16 *)*pos)); |
| break; |
| default: |
| return 0; |
| } |
| |
| if (str) |
| *str = *pos + bytes; |
| |
| *pos += ((length + bytes) + 3) & ~0x03; |
| |
| return length; |
| } |
| |
| static int cs_dsp_coeff_parse_int(int bytes, const u8 **pos) |
| { |
| int val = 0; |
| |
| switch (bytes) { |
| case 2: |
| val = le16_to_cpu(*((__le16 *)*pos)); |
| break; |
| case 4: |
| val = le32_to_cpu(*((__le32 *)*pos)); |
| break; |
| default: |
| break; |
| } |
| |
| *pos += bytes; |
| |
| return val; |
| } |
| |
| static inline void cs_dsp_coeff_parse_alg(struct cs_dsp *dsp, const u8 **data, |
| struct cs_dsp_coeff_parsed_alg *blk) |
| { |
| const struct wmfw_adsp_alg_data *raw; |
| |
| switch (dsp->fw_ver) { |
| case 0: |
| case 1: |
| raw = (const struct wmfw_adsp_alg_data *)*data; |
| *data = raw->data; |
| |
| blk->id = le32_to_cpu(raw->id); |
| blk->name = raw->name; |
| blk->name_len = strlen(raw->name); |
| blk->ncoeff = le32_to_cpu(raw->ncoeff); |
| break; |
| default: |
| blk->id = cs_dsp_coeff_parse_int(sizeof(raw->id), data); |
| blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), data, |
| &blk->name); |
| cs_dsp_coeff_parse_string(sizeof(u16), data, NULL); |
| blk->ncoeff = cs_dsp_coeff_parse_int(sizeof(raw->ncoeff), data); |
| break; |
| } |
| |
| cs_dsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id); |
| cs_dsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name); |
| cs_dsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff); |
| } |
| |
| static inline void cs_dsp_coeff_parse_coeff(struct cs_dsp *dsp, const u8 **data, |
| struct cs_dsp_coeff_parsed_coeff *blk) |
| { |
| const struct wmfw_adsp_coeff_data *raw; |
| const u8 *tmp; |
| int length; |
| |
| switch (dsp->fw_ver) { |
| case 0: |
| case 1: |
| raw = (const struct wmfw_adsp_coeff_data *)*data; |
| *data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size); |
| |
| blk->offset = le16_to_cpu(raw->hdr.offset); |
| blk->mem_type = le16_to_cpu(raw->hdr.type); |
| blk->name = raw->name; |
| blk->name_len = strlen(raw->name); |
| blk->ctl_type = le16_to_cpu(raw->ctl_type); |
| blk->flags = le16_to_cpu(raw->flags); |
| blk->len = le32_to_cpu(raw->len); |
| break; |
| default: |
| tmp = *data; |
| blk->offset = cs_dsp_coeff_parse_int(sizeof(raw->hdr.offset), &tmp); |
| blk->mem_type = cs_dsp_coeff_parse_int(sizeof(raw->hdr.type), &tmp); |
| length = cs_dsp_coeff_parse_int(sizeof(raw->hdr.size), &tmp); |
| blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), &tmp, |
| &blk->name); |
| cs_dsp_coeff_parse_string(sizeof(u8), &tmp, NULL); |
| cs_dsp_coeff_parse_string(sizeof(u16), &tmp, NULL); |
| blk->ctl_type = cs_dsp_coeff_parse_int(sizeof(raw->ctl_type), &tmp); |
| blk->flags = cs_dsp_coeff_parse_int(sizeof(raw->flags), &tmp); |
| blk->len = cs_dsp_coeff_parse_int(sizeof(raw->len), &tmp); |
| |
| *data = *data + sizeof(raw->hdr) + length; |
| break; |
| } |
| |
| cs_dsp_dbg(dsp, "\tCoefficient type: %#x\n", blk->mem_type); |
| cs_dsp_dbg(dsp, "\tCoefficient offset: %#x\n", blk->offset); |
| cs_dsp_dbg(dsp, "\tCoefficient name: %.*s\n", blk->name_len, blk->name); |
| cs_dsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags); |
| cs_dsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type); |
| cs_dsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len); |
| } |
| |
| static int cs_dsp_check_coeff_flags(struct cs_dsp *dsp, |
| const struct cs_dsp_coeff_parsed_coeff *coeff_blk, |
| unsigned int f_required, |
| unsigned int f_illegal) |
| { |
| if ((coeff_blk->flags & f_illegal) || |
| ((coeff_blk->flags & f_required) != f_required)) { |
| cs_dsp_err(dsp, "Illegal flags 0x%x for control type 0x%x\n", |
| coeff_blk->flags, coeff_blk->ctl_type); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int cs_dsp_parse_coeff(struct cs_dsp *dsp, |
| const struct wmfw_region *region) |
| { |
| struct cs_dsp_alg_region alg_region = {}; |
| struct cs_dsp_coeff_parsed_alg alg_blk; |
| struct cs_dsp_coeff_parsed_coeff coeff_blk; |
| const u8 *data = region->data; |
| int i, ret; |
| |
| cs_dsp_coeff_parse_alg(dsp, &data, &alg_blk); |
| for (i = 0; i < alg_blk.ncoeff; i++) { |
| cs_dsp_coeff_parse_coeff(dsp, &data, &coeff_blk); |
| |
| switch (coeff_blk.ctl_type) { |
| case WMFW_CTL_TYPE_BYTES: |
| break; |
| case WMFW_CTL_TYPE_ACKED: |
| if (coeff_blk.flags & WMFW_CTL_FLAG_SYS) |
| continue; /* ignore */ |
| |
| ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk, |
| WMFW_CTL_FLAG_VOLATILE | |
| WMFW_CTL_FLAG_WRITEABLE | |
| WMFW_CTL_FLAG_READABLE, |
| 0); |
| if (ret) |
| return -EINVAL; |
| break; |
| case WMFW_CTL_TYPE_HOSTEVENT: |
| case WMFW_CTL_TYPE_FWEVENT: |
| ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk, |
| WMFW_CTL_FLAG_SYS | |
| WMFW_CTL_FLAG_VOLATILE | |
| WMFW_CTL_FLAG_WRITEABLE | |
| WMFW_CTL_FLAG_READABLE, |
| 0); |
| if (ret) |
| return -EINVAL; |
| break; |
| case WMFW_CTL_TYPE_HOST_BUFFER: |
| ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk, |
| WMFW_CTL_FLAG_SYS | |
| WMFW_CTL_FLAG_VOLATILE | |
| WMFW_CTL_FLAG_READABLE, |
| 0); |
| if (ret) |
| return -EINVAL; |
| break; |
| default: |
| cs_dsp_err(dsp, "Unknown control type: %d\n", |
| coeff_blk.ctl_type); |
| return -EINVAL; |
| } |
| |
| alg_region.type = coeff_blk.mem_type; |
| alg_region.alg = alg_blk.id; |
| |
| ret = cs_dsp_create_control(dsp, &alg_region, |
| coeff_blk.offset, |
| coeff_blk.len, |
| coeff_blk.name, |
| coeff_blk.name_len, |
| coeff_blk.flags, |
| coeff_blk.ctl_type); |
| if (ret < 0) |
| cs_dsp_err(dsp, "Failed to create control: %.*s, %d\n", |
| coeff_blk.name_len, coeff_blk.name, ret); |
| } |
| |
| return 0; |
| } |
| |
| static unsigned int cs_dsp_adsp1_parse_sizes(struct cs_dsp *dsp, |
| const char * const file, |
| unsigned int pos, |
| const struct firmware *firmware) |
| { |
| const struct wmfw_adsp1_sizes *adsp1_sizes; |
| |
| adsp1_sizes = (void *)&firmware->data[pos]; |
| |
| cs_dsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", file, |
| le32_to_cpu(adsp1_sizes->dm), le32_to_cpu(adsp1_sizes->pm), |
| le32_to_cpu(adsp1_sizes->zm)); |
| |
| return pos + sizeof(*adsp1_sizes); |
| } |
| |
| static unsigned int cs_dsp_adsp2_parse_sizes(struct cs_dsp *dsp, |
| const char * const file, |
| unsigned int pos, |
| const struct firmware *firmware) |
| { |
| const struct wmfw_adsp2_sizes *adsp2_sizes; |
| |
| adsp2_sizes = (void *)&firmware->data[pos]; |
| |
| cs_dsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", file, |
| le32_to_cpu(adsp2_sizes->xm), le32_to_cpu(adsp2_sizes->ym), |
| le32_to_cpu(adsp2_sizes->pm), le32_to_cpu(adsp2_sizes->zm)); |
| |
| return pos + sizeof(*adsp2_sizes); |
| } |
| |
| static bool cs_dsp_validate_version(struct cs_dsp *dsp, unsigned int version) |
| { |
| switch (version) { |
| case 0: |
| cs_dsp_warn(dsp, "Deprecated file format %d\n", version); |
| return true; |
| case 1: |
| case 2: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static bool cs_dsp_halo_validate_version(struct cs_dsp *dsp, unsigned int version) |
| { |
| switch (version) { |
| case 3: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware, |
| const char *file) |
| { |
| LIST_HEAD(buf_list); |
| struct regmap *regmap = dsp->regmap; |
| unsigned int pos = 0; |
| const struct wmfw_header *header; |
| const struct wmfw_adsp1_sizes *adsp1_sizes; |
| const struct wmfw_footer *footer; |
| const struct wmfw_region *region; |
| const struct cs_dsp_region *mem; |
| const char *region_name; |
| char *text = NULL; |
| struct cs_dsp_buf *buf; |
| unsigned int reg; |
| int regions = 0; |
| int ret, offset, type; |
| |
| ret = -EINVAL; |
| |
| pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer); |
| if (pos >= firmware->size) { |
| cs_dsp_err(dsp, "%s: file too short, %zu bytes\n", |
| file, firmware->size); |
| goto out_fw; |
| } |
| |
| header = (void *)&firmware->data[0]; |
| |
| if (memcmp(&header->magic[0], "WMFW", 4) != 0) { |
| cs_dsp_err(dsp, "%s: invalid magic\n", file); |
| goto out_fw; |
| } |
| |
| if (!dsp->ops->validate_version(dsp, header->ver)) { |
| cs_dsp_err(dsp, "%s: unknown file format %d\n", |
| file, header->ver); |
| goto out_fw; |
| } |
| |
| cs_dsp_info(dsp, "Firmware version: %d\n", header->ver); |
| dsp->fw_ver = header->ver; |
| |
| if (header->core != dsp->type) { |
| cs_dsp_err(dsp, "%s: invalid core %d != %d\n", |
| file, header->core, dsp->type); |
| goto out_fw; |
| } |
| |
| pos = sizeof(*header); |
| pos = dsp->ops->parse_sizes(dsp, file, pos, firmware); |
| |
| footer = (void *)&firmware->data[pos]; |
| pos += sizeof(*footer); |
| |
| if (le32_to_cpu(header->len) != pos) { |
| cs_dsp_err(dsp, "%s: unexpected header length %d\n", |
| file, le32_to_cpu(header->len)); |
| goto out_fw; |
| } |
| |
| cs_dsp_dbg(dsp, "%s: timestamp %llu\n", file, |
| le64_to_cpu(footer->timestamp)); |
| |
| while (pos < firmware->size && |
| sizeof(*region) < firmware->size - pos) { |
| region = (void *)&(firmware->data[pos]); |
| region_name = "Unknown"; |
| reg = 0; |
| text = NULL; |
| offset = le32_to_cpu(region->offset) & 0xffffff; |
| type = be32_to_cpu(region->type) & 0xff; |
| |
| switch (type) { |
| case WMFW_NAME_TEXT: |
| region_name = "Firmware name"; |
| text = kzalloc(le32_to_cpu(region->len) + 1, |
| GFP_KERNEL); |
| break; |
| case WMFW_ALGORITHM_DATA: |
| region_name = "Algorithm"; |
| ret = cs_dsp_parse_coeff(dsp, region); |
| if (ret != 0) |
| goto out_fw; |
| break; |
| case WMFW_INFO_TEXT: |
| region_name = "Information"; |
| text = kzalloc(le32_to_cpu(region->len) + 1, |
| GFP_KERNEL); |
| break; |
| case WMFW_ABSOLUTE: |
| region_name = "Absolute"; |
| reg = offset; |
| break; |
| case WMFW_ADSP1_PM: |
| case WMFW_ADSP1_DM: |
| case WMFW_ADSP2_XM: |
| case WMFW_ADSP2_YM: |
| case WMFW_ADSP1_ZM: |
| case WMFW_HALO_PM_PACKED: |
| case WMFW_HALO_XM_PACKED: |
| case WMFW_HALO_YM_PACKED: |
| mem = cs_dsp_find_region(dsp, type); |
| if (!mem) { |
| cs_dsp_err(dsp, "No region of type: %x\n", type); |
| ret = -EINVAL; |
| goto out_fw; |
| } |
| |
| region_name = cs_dsp_mem_region_name(type); |
| reg = dsp->ops->region_to_reg(mem, offset); |
| break; |
| default: |
| cs_dsp_warn(dsp, |
| "%s.%d: Unknown region type %x at %d(%x)\n", |
| file, regions, type, pos, pos); |
| break; |
| } |
| |
| cs_dsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file, |
| regions, le32_to_cpu(region->len), offset, |
| region_name); |
| |
| if (le32_to_cpu(region->len) > |
| firmware->size - pos - sizeof(*region)) { |
| cs_dsp_err(dsp, |
| "%s.%d: %s region len %d bytes exceeds file length %zu\n", |
| file, regions, region_name, |
| le32_to_cpu(region->len), firmware->size); |
| ret = -EINVAL; |
| goto out_fw; |
| } |
| |
| if (text) { |
| memcpy(text, region->data, le32_to_cpu(region->len)); |
| cs_dsp_info(dsp, "%s: %s\n", file, text); |
| kfree(text); |
| text = NULL; |
| } |
| |
| if (reg) { |
| buf = cs_dsp_buf_alloc(region->data, |
| le32_to_cpu(region->len), |
| &buf_list); |
| if (!buf) { |
| cs_dsp_err(dsp, "Out of memory\n"); |
| ret = -ENOMEM; |
| goto out_fw; |
| } |
| |
| ret = regmap_raw_write_async(regmap, reg, buf->buf, |
| le32_to_cpu(region->len)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, |
| "%s.%d: Failed to write %d bytes at %d in %s: %d\n", |
| file, regions, |
| le32_to_cpu(region->len), offset, |
| region_name, ret); |
| goto out_fw; |
| } |
| } |
| |
| pos += le32_to_cpu(region->len) + sizeof(*region); |
| regions++; |
| } |
| |
| ret = regmap_async_complete(regmap); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to complete async write: %d\n", ret); |
| goto out_fw; |
| } |
| |
| if (pos > firmware->size) |
| cs_dsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", |
| file, regions, pos - firmware->size); |
| |
| cs_dsp_debugfs_save_wmfwname(dsp, file); |
| |
| out_fw: |
| regmap_async_complete(regmap); |
| cs_dsp_buf_free(&buf_list); |
| kfree(text); |
| |
| return ret; |
| } |
| |
| /** |
| * cs_dsp_get_ctl() - Finds a matching coefficient control |
| * @dsp: pointer to DSP structure |
| * @name: pointer to string to match with a control's subname |
| * @type: the algorithm type to match |
| * @alg: the algorithm id to match |
| * |
| * Find cs_dsp_coeff_ctl with input name as its subname |
| * |
| * Return: pointer to the control on success, NULL if not found |
| */ |
| struct cs_dsp_coeff_ctl *cs_dsp_get_ctl(struct cs_dsp *dsp, const char *name, int type, |
| unsigned int alg) |
| { |
| struct cs_dsp_coeff_ctl *pos, *rslt = NULL; |
| |
| lockdep_assert_held(&dsp->pwr_lock); |
| |
| list_for_each_entry(pos, &dsp->ctl_list, list) { |
| if (!pos->subname) |
| continue; |
| if (strncmp(pos->subname, name, pos->subname_len) == 0 && |
| pos->fw_name == dsp->fw_name && |
| pos->alg_region.alg == alg && |
| pos->alg_region.type == type) { |
| rslt = pos; |
| break; |
| } |
| } |
| |
| return rslt; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_get_ctl); |
| |
| static void cs_dsp_ctl_fixup_base(struct cs_dsp *dsp, |
| const struct cs_dsp_alg_region *alg_region) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) { |
| if (ctl->fw_name == dsp->fw_name && |
| alg_region->alg == ctl->alg_region.alg && |
| alg_region->type == ctl->alg_region.type) { |
| ctl->alg_region.base = alg_region->base; |
| } |
| } |
| } |
| |
| static void *cs_dsp_read_algs(struct cs_dsp *dsp, size_t n_algs, |
| const struct cs_dsp_region *mem, |
| unsigned int pos, unsigned int len) |
| { |
| void *alg; |
| unsigned int reg; |
| int ret; |
| __be32 val; |
| |
| if (n_algs == 0) { |
| cs_dsp_err(dsp, "No algorithms\n"); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| if (n_algs > 1024) { |
| cs_dsp_err(dsp, "Algorithm count %zx excessive\n", n_algs); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| /* Read the terminator first to validate the length */ |
| reg = dsp->ops->region_to_reg(mem, pos + len); |
| |
| ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read algorithm list end: %d\n", |
| ret); |
| return ERR_PTR(ret); |
| } |
| |
| if (be32_to_cpu(val) != 0xbedead) |
| cs_dsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbedead\n", |
| reg, be32_to_cpu(val)); |
| |
| /* Convert length from DSP words to bytes */ |
| len *= sizeof(u32); |
| |
| alg = kzalloc(len, GFP_KERNEL | GFP_DMA); |
| if (!alg) |
| return ERR_PTR(-ENOMEM); |
| |
| reg = dsp->ops->region_to_reg(mem, pos); |
| |
| ret = regmap_raw_read(dsp->regmap, reg, alg, len); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read algorithm list: %d\n", ret); |
| kfree(alg); |
| return ERR_PTR(ret); |
| } |
| |
| return alg; |
| } |
| |
| /** |
| * cs_dsp_find_alg_region() - Finds a matching algorithm region |
| * @dsp: pointer to DSP structure |
| * @type: the algorithm type to match |
| * @id: the algorithm id to match |
| * |
| * Return: Pointer to matching algorithm region, or NULL if not found. |
| */ |
| struct cs_dsp_alg_region *cs_dsp_find_alg_region(struct cs_dsp *dsp, |
| int type, unsigned int id) |
| { |
| struct cs_dsp_alg_region *alg_region; |
| |
| lockdep_assert_held(&dsp->pwr_lock); |
| |
| list_for_each_entry(alg_region, &dsp->alg_regions, list) { |
| if (id == alg_region->alg && type == alg_region->type) |
| return alg_region; |
| } |
| |
| return NULL; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_find_alg_region); |
| |
| static struct cs_dsp_alg_region *cs_dsp_create_region(struct cs_dsp *dsp, |
| int type, __be32 id, |
| __be32 ver, __be32 base) |
| { |
| struct cs_dsp_alg_region *alg_region; |
| |
| alg_region = kzalloc(sizeof(*alg_region), GFP_KERNEL); |
| if (!alg_region) |
| return ERR_PTR(-ENOMEM); |
| |
| alg_region->type = type; |
| alg_region->alg = be32_to_cpu(id); |
| alg_region->ver = be32_to_cpu(ver); |
| alg_region->base = be32_to_cpu(base); |
| |
| list_add_tail(&alg_region->list, &dsp->alg_regions); |
| |
| if (dsp->fw_ver > 0) |
| cs_dsp_ctl_fixup_base(dsp, alg_region); |
| |
| return alg_region; |
| } |
| |
| static void cs_dsp_free_alg_regions(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_alg_region *alg_region; |
| |
| while (!list_empty(&dsp->alg_regions)) { |
| alg_region = list_first_entry(&dsp->alg_regions, |
| struct cs_dsp_alg_region, |
| list); |
| list_del(&alg_region->list); |
| kfree(alg_region); |
| } |
| } |
| |
| static void cs_dsp_parse_wmfw_id_header(struct cs_dsp *dsp, |
| struct wmfw_id_hdr *fw, int nalgs) |
| { |
| dsp->fw_id = be32_to_cpu(fw->id); |
| dsp->fw_id_version = be32_to_cpu(fw->ver); |
| |
| cs_dsp_info(dsp, "Firmware: %x v%d.%d.%d, %d algorithms\n", |
| dsp->fw_id, (dsp->fw_id_version & 0xff0000) >> 16, |
| (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff, |
| nalgs); |
| } |
| |
| static void cs_dsp_parse_wmfw_v3_id_header(struct cs_dsp *dsp, |
| struct wmfw_v3_id_hdr *fw, int nalgs) |
| { |
| dsp->fw_id = be32_to_cpu(fw->id); |
| dsp->fw_id_version = be32_to_cpu(fw->ver); |
| dsp->fw_vendor_id = be32_to_cpu(fw->vendor_id); |
| |
| cs_dsp_info(dsp, "Firmware: %x vendor: 0x%x v%d.%d.%d, %d algorithms\n", |
| dsp->fw_id, dsp->fw_vendor_id, |
| (dsp->fw_id_version & 0xff0000) >> 16, |
| (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff, |
| nalgs); |
| } |
| |
| static int cs_dsp_create_regions(struct cs_dsp *dsp, __be32 id, __be32 ver, |
| int nregions, const int *type, __be32 *base) |
| { |
| struct cs_dsp_alg_region *alg_region; |
| int i; |
| |
| for (i = 0; i < nregions; i++) { |
| alg_region = cs_dsp_create_region(dsp, type[i], id, ver, base[i]); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| } |
| |
| return 0; |
| } |
| |
| static int cs_dsp_adsp1_setup_algs(struct cs_dsp *dsp) |
| { |
| struct wmfw_adsp1_id_hdr adsp1_id; |
| struct wmfw_adsp1_alg_hdr *adsp1_alg; |
| struct cs_dsp_alg_region *alg_region; |
| const struct cs_dsp_region *mem; |
| unsigned int pos, len; |
| size_t n_algs; |
| int i, ret; |
| |
| mem = cs_dsp_find_region(dsp, WMFW_ADSP1_DM); |
| if (WARN_ON(!mem)) |
| return -EINVAL; |
| |
| ret = regmap_raw_read(dsp->regmap, mem->base, &adsp1_id, |
| sizeof(adsp1_id)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read algorithm info: %d\n", |
| ret); |
| return ret; |
| } |
| |
| n_algs = be32_to_cpu(adsp1_id.n_algs); |
| |
| cs_dsp_parse_wmfw_id_header(dsp, &adsp1_id.fw, n_algs); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_ZM, |
| adsp1_id.fw.id, adsp1_id.fw.ver, |
| adsp1_id.zm); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_DM, |
| adsp1_id.fw.id, adsp1_id.fw.ver, |
| adsp1_id.dm); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| |
| /* Calculate offset and length in DSP words */ |
| pos = sizeof(adsp1_id) / sizeof(u32); |
| len = (sizeof(*adsp1_alg) * n_algs) / sizeof(u32); |
| |
| adsp1_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len); |
| if (IS_ERR(adsp1_alg)) |
| return PTR_ERR(adsp1_alg); |
| |
| for (i = 0; i < n_algs; i++) { |
| cs_dsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n", |
| i, be32_to_cpu(adsp1_alg[i].alg.id), |
| (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16, |
| (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8, |
| be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff, |
| be32_to_cpu(adsp1_alg[i].dm), |
| be32_to_cpu(adsp1_alg[i].zm)); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_DM, |
| adsp1_alg[i].alg.id, |
| adsp1_alg[i].alg.ver, |
| adsp1_alg[i].dm); |
| if (IS_ERR(alg_region)) { |
| ret = PTR_ERR(alg_region); |
| goto out; |
| } |
| if (dsp->fw_ver == 0) { |
| if (i + 1 < n_algs) { |
| len = be32_to_cpu(adsp1_alg[i + 1].dm); |
| len -= be32_to_cpu(adsp1_alg[i].dm); |
| len *= 4; |
| cs_dsp_create_control(dsp, alg_region, 0, |
| len, NULL, 0, 0, |
| WMFW_CTL_TYPE_BYTES); |
| } else { |
| cs_dsp_warn(dsp, "Missing length info for region DM with ID %x\n", |
| be32_to_cpu(adsp1_alg[i].alg.id)); |
| } |
| } |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_ZM, |
| adsp1_alg[i].alg.id, |
| adsp1_alg[i].alg.ver, |
| adsp1_alg[i].zm); |
| if (IS_ERR(alg_region)) { |
| ret = PTR_ERR(alg_region); |
| goto out; |
| } |
| if (dsp->fw_ver == 0) { |
| if (i + 1 < n_algs) { |
| len = be32_to_cpu(adsp1_alg[i + 1].zm); |
| len -= be32_to_cpu(adsp1_alg[i].zm); |
| len *= 4; |
| cs_dsp_create_control(dsp, alg_region, 0, |
| len, NULL, 0, 0, |
| WMFW_CTL_TYPE_BYTES); |
| } else { |
| cs_dsp_warn(dsp, "Missing length info for region ZM with ID %x\n", |
| be32_to_cpu(adsp1_alg[i].alg.id)); |
| } |
| } |
| } |
| |
| out: |
| kfree(adsp1_alg); |
| return ret; |
| } |
| |
| static int cs_dsp_adsp2_setup_algs(struct cs_dsp *dsp) |
| { |
| struct wmfw_adsp2_id_hdr adsp2_id; |
| struct wmfw_adsp2_alg_hdr *adsp2_alg; |
| struct cs_dsp_alg_region *alg_region; |
| const struct cs_dsp_region *mem; |
| unsigned int pos, len; |
| size_t n_algs; |
| int i, ret; |
| |
| mem = cs_dsp_find_region(dsp, WMFW_ADSP2_XM); |
| if (WARN_ON(!mem)) |
| return -EINVAL; |
| |
| ret = regmap_raw_read(dsp->regmap, mem->base, &adsp2_id, |
| sizeof(adsp2_id)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read algorithm info: %d\n", |
| ret); |
| return ret; |
| } |
| |
| n_algs = be32_to_cpu(adsp2_id.n_algs); |
| |
| cs_dsp_parse_wmfw_id_header(dsp, &adsp2_id.fw, n_algs); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_XM, |
| adsp2_id.fw.id, adsp2_id.fw.ver, |
| adsp2_id.xm); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_YM, |
| adsp2_id.fw.id, adsp2_id.fw.ver, |
| adsp2_id.ym); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_ZM, |
| adsp2_id.fw.id, adsp2_id.fw.ver, |
| adsp2_id.zm); |
| if (IS_ERR(alg_region)) |
| return PTR_ERR(alg_region); |
| |
| /* Calculate offset and length in DSP words */ |
| pos = sizeof(adsp2_id) / sizeof(u32); |
| len = (sizeof(*adsp2_alg) * n_algs) / sizeof(u32); |
| |
| adsp2_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len); |
| if (IS_ERR(adsp2_alg)) |
| return PTR_ERR(adsp2_alg); |
| |
| for (i = 0; i < n_algs; i++) { |
| cs_dsp_info(dsp, |
| "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n", |
| i, be32_to_cpu(adsp2_alg[i].alg.id), |
| (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16, |
| (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8, |
| be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff, |
| be32_to_cpu(adsp2_alg[i].xm), |
| be32_to_cpu(adsp2_alg[i].ym), |
| be32_to_cpu(adsp2_alg[i].zm)); |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_XM, |
| adsp2_alg[i].alg.id, |
| adsp2_alg[i].alg.ver, |
| adsp2_alg[i].xm); |
| if (IS_ERR(alg_region)) { |
| ret = PTR_ERR(alg_region); |
| goto out; |
| } |
| if (dsp->fw_ver == 0) { |
| if (i + 1 < n_algs) { |
| len = be32_to_cpu(adsp2_alg[i + 1].xm); |
| len -= be32_to_cpu(adsp2_alg[i].xm); |
| len *= 4; |
| cs_dsp_create_control(dsp, alg_region, 0, |
| len, NULL, 0, 0, |
| WMFW_CTL_TYPE_BYTES); |
| } else { |
| cs_dsp_warn(dsp, "Missing length info for region XM with ID %x\n", |
| be32_to_cpu(adsp2_alg[i].alg.id)); |
| } |
| } |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_YM, |
| adsp2_alg[i].alg.id, |
| adsp2_alg[i].alg.ver, |
| adsp2_alg[i].ym); |
| if (IS_ERR(alg_region)) { |
| ret = PTR_ERR(alg_region); |
| goto out; |
| } |
| if (dsp->fw_ver == 0) { |
| if (i + 1 < n_algs) { |
| len = be32_to_cpu(adsp2_alg[i + 1].ym); |
| len -= be32_to_cpu(adsp2_alg[i].ym); |
| len *= 4; |
| cs_dsp_create_control(dsp, alg_region, 0, |
| len, NULL, 0, 0, |
| WMFW_CTL_TYPE_BYTES); |
| } else { |
| cs_dsp_warn(dsp, "Missing length info for region YM with ID %x\n", |
| be32_to_cpu(adsp2_alg[i].alg.id)); |
| } |
| } |
| |
| alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_ZM, |
| adsp2_alg[i].alg.id, |
| adsp2_alg[i].alg.ver, |
| adsp2_alg[i].zm); |
| if (IS_ERR(alg_region)) { |
| ret = PTR_ERR(alg_region); |
| goto out; |
| } |
| if (dsp->fw_ver == 0) { |
| if (i + 1 < n_algs) { |
| len = be32_to_cpu(adsp2_alg[i + 1].zm); |
| len -= be32_to_cpu(adsp2_alg[i].zm); |
| len *= 4; |
| cs_dsp_create_control(dsp, alg_region, 0, |
| len, NULL, 0, 0, |
| WMFW_CTL_TYPE_BYTES); |
| } else { |
| cs_dsp_warn(dsp, "Missing length info for region ZM with ID %x\n", |
| be32_to_cpu(adsp2_alg[i].alg.id)); |
| } |
| } |
| } |
| |
| out: |
| kfree(adsp2_alg); |
| return ret; |
| } |
| |
| static int cs_dsp_halo_create_regions(struct cs_dsp *dsp, __be32 id, __be32 ver, |
| __be32 xm_base, __be32 ym_base) |
| { |
| static const int types[] = { |
| WMFW_ADSP2_XM, WMFW_HALO_XM_PACKED, |
| WMFW_ADSP2_YM, WMFW_HALO_YM_PACKED |
| }; |
| __be32 bases[] = { xm_base, xm_base, ym_base, ym_base }; |
| |
| return cs_dsp_create_regions(dsp, id, ver, ARRAY_SIZE(types), types, bases); |
| } |
| |
| static int cs_dsp_halo_setup_algs(struct cs_dsp *dsp) |
| { |
| struct wmfw_halo_id_hdr halo_id; |
| struct wmfw_halo_alg_hdr *halo_alg; |
| const struct cs_dsp_region *mem; |
| unsigned int pos, len; |
| size_t n_algs; |
| int i, ret; |
| |
| mem = cs_dsp_find_region(dsp, WMFW_ADSP2_XM); |
| if (WARN_ON(!mem)) |
| return -EINVAL; |
| |
| ret = regmap_raw_read(dsp->regmap, mem->base, &halo_id, |
| sizeof(halo_id)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read algorithm info: %d\n", |
| ret); |
| return ret; |
| } |
| |
| n_algs = be32_to_cpu(halo_id.n_algs); |
| |
| cs_dsp_parse_wmfw_v3_id_header(dsp, &halo_id.fw, n_algs); |
| |
| ret = cs_dsp_halo_create_regions(dsp, halo_id.fw.id, halo_id.fw.ver, |
| halo_id.xm_base, halo_id.ym_base); |
| if (ret) |
| return ret; |
| |
| /* Calculate offset and length in DSP words */ |
| pos = sizeof(halo_id) / sizeof(u32); |
| len = (sizeof(*halo_alg) * n_algs) / sizeof(u32); |
| |
| halo_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len); |
| if (IS_ERR(halo_alg)) |
| return PTR_ERR(halo_alg); |
| |
| for (i = 0; i < n_algs; i++) { |
| cs_dsp_info(dsp, |
| "%d: ID %x v%d.%d.%d XM@%x YM@%x\n", |
| i, be32_to_cpu(halo_alg[i].alg.id), |
| (be32_to_cpu(halo_alg[i].alg.ver) & 0xff0000) >> 16, |
| (be32_to_cpu(halo_alg[i].alg.ver) & 0xff00) >> 8, |
| be32_to_cpu(halo_alg[i].alg.ver) & 0xff, |
| be32_to_cpu(halo_alg[i].xm_base), |
| be32_to_cpu(halo_alg[i].ym_base)); |
| |
| ret = cs_dsp_halo_create_regions(dsp, halo_alg[i].alg.id, |
| halo_alg[i].alg.ver, |
| halo_alg[i].xm_base, |
| halo_alg[i].ym_base); |
| if (ret) |
| goto out; |
| } |
| |
| out: |
| kfree(halo_alg); |
| return ret; |
| } |
| |
| static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware, |
| const char *file) |
| { |
| LIST_HEAD(buf_list); |
| struct regmap *regmap = dsp->regmap; |
| struct wmfw_coeff_hdr *hdr; |
| struct wmfw_coeff_item *blk; |
| const struct cs_dsp_region *mem; |
| struct cs_dsp_alg_region *alg_region; |
| const char *region_name; |
| int ret, pos, blocks, type, offset, reg, version; |
| char *text = NULL; |
| struct cs_dsp_buf *buf; |
| |
| if (!firmware) |
| return 0; |
| |
| ret = -EINVAL; |
| |
| if (sizeof(*hdr) >= firmware->size) { |
| cs_dsp_err(dsp, "%s: coefficient file too short, %zu bytes\n", |
| file, firmware->size); |
| goto out_fw; |
| } |
| |
| hdr = (void *)&firmware->data[0]; |
| if (memcmp(hdr->magic, "WMDR", 4) != 0) { |
| cs_dsp_err(dsp, "%s: invalid coefficient magic\n", file); |
| goto out_fw; |
| } |
| |
| switch (be32_to_cpu(hdr->rev) & 0xff) { |
| case 1: |
| case 2: |
| break; |
| default: |
| cs_dsp_err(dsp, "%s: Unsupported coefficient file format %d\n", |
| file, be32_to_cpu(hdr->rev) & 0xff); |
| ret = -EINVAL; |
| goto out_fw; |
| } |
| |
| cs_dsp_dbg(dsp, "%s: v%d.%d.%d\n", file, |
| (le32_to_cpu(hdr->ver) >> 16) & 0xff, |
| (le32_to_cpu(hdr->ver) >> 8) & 0xff, |
| le32_to_cpu(hdr->ver) & 0xff); |
| |
| pos = le32_to_cpu(hdr->len); |
| |
| blocks = 0; |
| while (pos < firmware->size && |
| sizeof(*blk) < firmware->size - pos) { |
| blk = (void *)(&firmware->data[pos]); |
| |
| type = le16_to_cpu(blk->type); |
| offset = le16_to_cpu(blk->offset); |
| version = le32_to_cpu(blk->ver) >> 8; |
| |
| cs_dsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n", |
| file, blocks, le32_to_cpu(blk->id), |
| (le32_to_cpu(blk->ver) >> 16) & 0xff, |
| (le32_to_cpu(blk->ver) >> 8) & 0xff, |
| le32_to_cpu(blk->ver) & 0xff); |
| cs_dsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n", |
| file, blocks, le32_to_cpu(blk->len), offset, type); |
| |
| reg = 0; |
| region_name = "Unknown"; |
| switch (type) { |
| case (WMFW_NAME_TEXT << 8): |
| text = kzalloc(le32_to_cpu(blk->len) + 1, GFP_KERNEL); |
| break; |
| case (WMFW_INFO_TEXT << 8): |
| case (WMFW_METADATA << 8): |
| break; |
| case (WMFW_ABSOLUTE << 8): |
| /* |
| * Old files may use this for global |
| * coefficients. |
| */ |
| if (le32_to_cpu(blk->id) == dsp->fw_id && |
| offset == 0) { |
| region_name = "global coefficients"; |
| mem = cs_dsp_find_region(dsp, type); |
| if (!mem) { |
| cs_dsp_err(dsp, "No ZM\n"); |
| break; |
| } |
| reg = dsp->ops->region_to_reg(mem, 0); |
| |
| } else { |
| region_name = "register"; |
| reg = offset; |
| } |
| break; |
| |
| case WMFW_ADSP1_DM: |
| case WMFW_ADSP1_ZM: |
| case WMFW_ADSP2_XM: |
| case WMFW_ADSP2_YM: |
| case WMFW_HALO_XM_PACKED: |
| case WMFW_HALO_YM_PACKED: |
| case WMFW_HALO_PM_PACKED: |
| cs_dsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n", |
| file, blocks, le32_to_cpu(blk->len), |
| type, le32_to_cpu(blk->id)); |
| |
| mem = cs_dsp_find_region(dsp, type); |
| if (!mem) { |
| cs_dsp_err(dsp, "No base for region %x\n", type); |
| break; |
| } |
| |
| alg_region = cs_dsp_find_alg_region(dsp, type, |
| le32_to_cpu(blk->id)); |
| if (alg_region) { |
| if (version != alg_region->ver) |
| cs_dsp_warn(dsp, |
| "Algorithm coefficient version %d.%d.%d but expected %d.%d.%d\n", |
| (version >> 16) & 0xFF, |
| (version >> 8) & 0xFF, |
| version & 0xFF, |
| (alg_region->ver >> 16) & 0xFF, |
| (alg_region->ver >> 8) & 0xFF, |
| alg_region->ver & 0xFF); |
| |
| reg = alg_region->base; |
| reg = dsp->ops->region_to_reg(mem, reg); |
| reg += offset; |
| } else { |
| cs_dsp_err(dsp, "No %x for algorithm %x\n", |
| type, le32_to_cpu(blk->id)); |
| } |
| break; |
| |
| default: |
| cs_dsp_err(dsp, "%s.%d: Unknown region type %x at %d\n", |
| file, blocks, type, pos); |
| break; |
| } |
| |
| if (text) { |
| memcpy(text, blk->data, le32_to_cpu(blk->len)); |
| cs_dsp_info(dsp, "%s: %s\n", dsp->fw_name, text); |
| kfree(text); |
| text = NULL; |
| } |
| |
| if (reg) { |
| if (le32_to_cpu(blk->len) > |
| firmware->size - pos - sizeof(*blk)) { |
| cs_dsp_err(dsp, |
| "%s.%d: %s region len %d bytes exceeds file length %zu\n", |
| file, blocks, region_name, |
| le32_to_cpu(blk->len), |
| firmware->size); |
| ret = -EINVAL; |
| goto out_fw; |
| } |
| |
| buf = cs_dsp_buf_alloc(blk->data, |
| le32_to_cpu(blk->len), |
| &buf_list); |
| if (!buf) { |
| cs_dsp_err(dsp, "Out of memory\n"); |
| ret = -ENOMEM; |
| goto out_fw; |
| } |
| |
| cs_dsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n", |
| file, blocks, le32_to_cpu(blk->len), |
| reg); |
| ret = regmap_raw_write_async(regmap, reg, buf->buf, |
| le32_to_cpu(blk->len)); |
| if (ret != 0) { |
| cs_dsp_err(dsp, |
| "%s.%d: Failed to write to %x in %s: %d\n", |
| file, blocks, reg, region_name, ret); |
| } |
| } |
| |
| pos += (le32_to_cpu(blk->len) + sizeof(*blk) + 3) & ~0x03; |
| blocks++; |
| } |
| |
| ret = regmap_async_complete(regmap); |
| if (ret != 0) |
| cs_dsp_err(dsp, "Failed to complete async write: %d\n", ret); |
| |
| if (pos > firmware->size) |
| cs_dsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", |
| file, blocks, pos - firmware->size); |
| |
| cs_dsp_debugfs_save_binname(dsp, file); |
| |
| out_fw: |
| regmap_async_complete(regmap); |
| cs_dsp_buf_free(&buf_list); |
| kfree(text); |
| return ret; |
| } |
| |
| static int cs_dsp_create_name(struct cs_dsp *dsp) |
| { |
| if (!dsp->name) { |
| dsp->name = devm_kasprintf(dsp->dev, GFP_KERNEL, "DSP%d", |
| dsp->num); |
| if (!dsp->name) |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static int cs_dsp_common_init(struct cs_dsp *dsp) |
| { |
| int ret; |
| |
| ret = cs_dsp_create_name(dsp); |
| if (ret) |
| return ret; |
| |
| INIT_LIST_HEAD(&dsp->alg_regions); |
| INIT_LIST_HEAD(&dsp->ctl_list); |
| |
| mutex_init(&dsp->pwr_lock); |
| |
| return 0; |
| } |
| |
| /** |
| * cs_dsp_adsp1_init() - Initialise a cs_dsp structure representing a ADSP1 device |
| * @dsp: pointer to DSP structure |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_adsp1_init(struct cs_dsp *dsp) |
| { |
| dsp->ops = &cs_dsp_adsp1_ops; |
| |
| return cs_dsp_common_init(dsp); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_adsp1_init); |
| |
| /** |
| * cs_dsp_adsp1_power_up() - Load and start the named firmware |
| * @dsp: pointer to DSP structure |
| * @wmfw_firmware: the firmware to be sent |
| * @wmfw_filename: file name of firmware to be sent |
| * @coeff_firmware: the coefficient data to be sent |
| * @coeff_filename: file name of coefficient to data be sent |
| * @fw_name: the user-friendly firmware name |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_adsp1_power_up(struct cs_dsp *dsp, |
| const struct firmware *wmfw_firmware, char *wmfw_filename, |
| const struct firmware *coeff_firmware, char *coeff_filename, |
| const char *fw_name) |
| { |
| unsigned int val; |
| int ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| dsp->fw_name = fw_name; |
| |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, |
| ADSP1_SYS_ENA, ADSP1_SYS_ENA); |
| |
| /* |
| * For simplicity set the DSP clock rate to be the |
| * SYSCLK rate rather than making it configurable. |
| */ |
| if (dsp->sysclk_reg) { |
| ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret); |
| goto err_mutex; |
| } |
| |
| val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift; |
| |
| ret = regmap_update_bits(dsp->regmap, |
| dsp->base + ADSP1_CONTROL_31, |
| ADSP1_CLK_SEL_MASK, val); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret); |
| goto err_mutex; |
| } |
| } |
| |
| ret = cs_dsp_load(dsp, wmfw_firmware, wmfw_filename); |
| if (ret != 0) |
| goto err_ena; |
| |
| ret = cs_dsp_adsp1_setup_algs(dsp); |
| if (ret != 0) |
| goto err_ena; |
| |
| ret = cs_dsp_load_coeff(dsp, coeff_firmware, coeff_filename); |
| if (ret != 0) |
| goto err_ena; |
| |
| /* Initialize caches for enabled and unset controls */ |
| ret = cs_dsp_coeff_init_control_caches(dsp); |
| if (ret != 0) |
| goto err_ena; |
| |
| /* Sync set controls */ |
| ret = cs_dsp_coeff_sync_controls(dsp); |
| if (ret != 0) |
| goto err_ena; |
| |
| dsp->booted = true; |
| |
| /* Start the core running */ |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, |
| ADSP1_CORE_ENA | ADSP1_START, |
| ADSP1_CORE_ENA | ADSP1_START); |
| |
| dsp->running = true; |
| |
| mutex_unlock(&dsp->pwr_lock); |
| |
| return 0; |
| |
| err_ena: |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, |
| ADSP1_SYS_ENA, 0); |
| err_mutex: |
| mutex_unlock(&dsp->pwr_lock); |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_adsp1_power_up); |
| |
| /** |
| * cs_dsp_adsp1_power_down() - Halts the DSP |
| * @dsp: pointer to DSP structure |
| */ |
| void cs_dsp_adsp1_power_down(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| dsp->running = false; |
| dsp->booted = false; |
| |
| /* Halt the core */ |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, |
| ADSP1_CORE_ENA | ADSP1_START, 0); |
| |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19, |
| ADSP1_WDMA_BUFFER_LENGTH_MASK, 0); |
| |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, |
| ADSP1_SYS_ENA, 0); |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) |
| ctl->enabled = 0; |
| |
| cs_dsp_free_alg_regions(dsp); |
| |
| mutex_unlock(&dsp->pwr_lock); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_adsp1_power_down); |
| |
| static int cs_dsp_adsp2v2_enable_core(struct cs_dsp *dsp) |
| { |
| unsigned int val; |
| int ret, count; |
| |
| /* Wait for the RAM to start, should be near instantaneous */ |
| for (count = 0; count < 10; ++count) { |
| ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, &val); |
| if (ret != 0) |
| return ret; |
| |
| if (val & ADSP2_RAM_RDY) |
| break; |
| |
| usleep_range(250, 500); |
| } |
| |
| if (!(val & ADSP2_RAM_RDY)) { |
| cs_dsp_err(dsp, "Failed to start DSP RAM\n"); |
| return -EBUSY; |
| } |
| |
| cs_dsp_dbg(dsp, "RAM ready after %d polls\n", count); |
| |
| return 0; |
| } |
| |
| static int cs_dsp_adsp2_enable_core(struct cs_dsp *dsp) |
| { |
| int ret; |
| |
| ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_SYS_ENA, ADSP2_SYS_ENA); |
| if (ret != 0) |
| return ret; |
| |
| return cs_dsp_adsp2v2_enable_core(dsp); |
| } |
| |
| static int cs_dsp_adsp2_lock(struct cs_dsp *dsp, unsigned int lock_regions) |
| { |
| struct regmap *regmap = dsp->regmap; |
| unsigned int code0, code1, lock_reg; |
| |
| if (!(lock_regions & CS_ADSP2_REGION_ALL)) |
| return 0; |
| |
| lock_regions &= CS_ADSP2_REGION_ALL; |
| lock_reg = dsp->base + ADSP2_LOCK_REGION_1_LOCK_REGION_0; |
| |
| while (lock_regions) { |
| code0 = code1 = 0; |
| if (lock_regions & BIT(0)) { |
| code0 = ADSP2_LOCK_CODE_0; |
| code1 = ADSP2_LOCK_CODE_1; |
| } |
| if (lock_regions & BIT(1)) { |
| code0 |= ADSP2_LOCK_CODE_0 << ADSP2_LOCK_REGION_SHIFT; |
| code1 |= ADSP2_LOCK_CODE_1 << ADSP2_LOCK_REGION_SHIFT; |
| } |
| regmap_write(regmap, lock_reg, code0); |
| regmap_write(regmap, lock_reg, code1); |
| lock_regions >>= 2; |
| lock_reg += 2; |
| } |
| |
| return 0; |
| } |
| |
| static int cs_dsp_adsp2_enable_memory(struct cs_dsp *dsp) |
| { |
| return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_MEM_ENA, ADSP2_MEM_ENA); |
| } |
| |
| static void cs_dsp_adsp2_disable_memory(struct cs_dsp *dsp) |
| { |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_MEM_ENA, 0); |
| } |
| |
| static void cs_dsp_adsp2_disable_core(struct cs_dsp *dsp) |
| { |
| regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0); |
| regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0); |
| regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0); |
| |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_SYS_ENA, 0); |
| } |
| |
| static void cs_dsp_adsp2v2_disable_core(struct cs_dsp *dsp) |
| { |
| regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0); |
| regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0); |
| regmap_write(dsp->regmap, dsp->base + ADSP2V2_WDMA_CONFIG_2, 0); |
| } |
| |
| static int cs_dsp_halo_configure_mpu(struct cs_dsp *dsp, unsigned int lock_regions) |
| { |
| struct reg_sequence config[] = { |
| { dsp->base + HALO_MPU_LOCK_CONFIG, 0x5555 }, |
| { dsp->base + HALO_MPU_LOCK_CONFIG, 0xAAAA }, |
| { dsp->base + HALO_MPU_XMEM_ACCESS_0, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_YMEM_ACCESS_0, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_WINDOW_ACCESS_0, lock_regions }, |
| { dsp->base + HALO_MPU_XREG_ACCESS_0, lock_regions }, |
| { dsp->base + HALO_MPU_YREG_ACCESS_0, lock_regions }, |
| { dsp->base + HALO_MPU_XMEM_ACCESS_1, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_YMEM_ACCESS_1, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_WINDOW_ACCESS_1, lock_regions }, |
| { dsp->base + HALO_MPU_XREG_ACCESS_1, lock_regions }, |
| { dsp->base + HALO_MPU_YREG_ACCESS_1, lock_regions }, |
| { dsp->base + HALO_MPU_XMEM_ACCESS_2, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_YMEM_ACCESS_2, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_WINDOW_ACCESS_2, lock_regions }, |
| { dsp->base + HALO_MPU_XREG_ACCESS_2, lock_regions }, |
| { dsp->base + HALO_MPU_YREG_ACCESS_2, lock_regions }, |
| { dsp->base + HALO_MPU_XMEM_ACCESS_3, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_YMEM_ACCESS_3, 0xFFFFFFFF }, |
| { dsp->base + HALO_MPU_WINDOW_ACCESS_3, lock_regions }, |
| { dsp->base + HALO_MPU_XREG_ACCESS_3, lock_regions }, |
| { dsp->base + HALO_MPU_YREG_ACCESS_3, lock_regions }, |
| { dsp->base + HALO_MPU_LOCK_CONFIG, 0 }, |
| }; |
| |
| return regmap_multi_reg_write(dsp->regmap, config, ARRAY_SIZE(config)); |
| } |
| |
| /** |
| * cs_dsp_set_dspclk() - Applies the given frequency to the given cs_dsp |
| * @dsp: pointer to DSP structure |
| * @freq: clock rate to set |
| * |
| * This is only for use on ADSP2 cores. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_set_dspclk(struct cs_dsp *dsp, unsigned int freq) |
| { |
| int ret; |
| |
| ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CLOCKING, |
| ADSP2_CLK_SEL_MASK, |
| freq << ADSP2_CLK_SEL_SHIFT); |
| if (ret) |
| cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_set_dspclk); |
| |
| static void cs_dsp_stop_watchdog(struct cs_dsp *dsp) |
| { |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP2_WATCHDOG, |
| ADSP2_WDT_ENA_MASK, 0); |
| } |
| |
| static void cs_dsp_halo_stop_watchdog(struct cs_dsp *dsp) |
| { |
| regmap_update_bits(dsp->regmap, dsp->base + HALO_WDT_CONTROL, |
| HALO_WDT_EN_MASK, 0); |
| } |
| |
| /** |
| * cs_dsp_power_up() - Downloads firmware to the DSP |
| * @dsp: pointer to DSP structure |
| * @wmfw_firmware: the firmware to be sent |
| * @wmfw_filename: file name of firmware to be sent |
| * @coeff_firmware: the coefficient data to be sent |
| * @coeff_filename: file name of coefficient to data be sent |
| * @fw_name: the user-friendly firmware name |
| * |
| * This function is used on ADSP2 and Halo DSP cores, it powers-up the DSP core |
| * and downloads the firmware but does not start the firmware running. The |
| * cs_dsp booted flag will be set once completed and if the core has a low-power |
| * memory retention mode it will be put into this state after the firmware is |
| * downloaded. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_power_up(struct cs_dsp *dsp, |
| const struct firmware *wmfw_firmware, char *wmfw_filename, |
| const struct firmware *coeff_firmware, char *coeff_filename, |
| const char *fw_name) |
| { |
| int ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| dsp->fw_name = fw_name; |
| |
| if (dsp->ops->enable_memory) { |
| ret = dsp->ops->enable_memory(dsp); |
| if (ret != 0) |
| goto err_mutex; |
| } |
| |
| if (dsp->ops->enable_core) { |
| ret = dsp->ops->enable_core(dsp); |
| if (ret != 0) |
| goto err_mem; |
| } |
| |
| ret = cs_dsp_load(dsp, wmfw_firmware, wmfw_filename); |
| if (ret != 0) |
| goto err_ena; |
| |
| ret = dsp->ops->setup_algs(dsp); |
| if (ret != 0) |
| goto err_ena; |
| |
| ret = cs_dsp_load_coeff(dsp, coeff_firmware, coeff_filename); |
| if (ret != 0) |
| goto err_ena; |
| |
| /* Initialize caches for enabled and unset controls */ |
| ret = cs_dsp_coeff_init_control_caches(dsp); |
| if (ret != 0) |
| goto err_ena; |
| |
| if (dsp->ops->disable_core) |
| dsp->ops->disable_core(dsp); |
| |
| dsp->booted = true; |
| |
| mutex_unlock(&dsp->pwr_lock); |
| |
| return 0; |
| err_ena: |
| if (dsp->ops->disable_core) |
| dsp->ops->disable_core(dsp); |
| err_mem: |
| if (dsp->ops->disable_memory) |
| dsp->ops->disable_memory(dsp); |
| err_mutex: |
| mutex_unlock(&dsp->pwr_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_power_up); |
| |
| /** |
| * cs_dsp_power_down() - Powers-down the DSP |
| * @dsp: pointer to DSP structure |
| * |
| * cs_dsp_stop() must have been called before this function. The core will be |
| * fully powered down and so the memory will not be retained. |
| */ |
| void cs_dsp_power_down(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| cs_dsp_debugfs_clear(dsp); |
| |
| dsp->fw_id = 0; |
| dsp->fw_id_version = 0; |
| |
| dsp->booted = false; |
| |
| if (dsp->ops->disable_memory) |
| dsp->ops->disable_memory(dsp); |
| |
| list_for_each_entry(ctl, &dsp->ctl_list, list) |
| ctl->enabled = 0; |
| |
| cs_dsp_free_alg_regions(dsp); |
| |
| mutex_unlock(&dsp->pwr_lock); |
| |
| cs_dsp_dbg(dsp, "Shutdown complete\n"); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_power_down); |
| |
| static int cs_dsp_adsp2_start_core(struct cs_dsp *dsp) |
| { |
| return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_CORE_ENA | ADSP2_START, |
| ADSP2_CORE_ENA | ADSP2_START); |
| } |
| |
| static void cs_dsp_adsp2_stop_core(struct cs_dsp *dsp) |
| { |
| regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_CORE_ENA | ADSP2_START, 0); |
| } |
| |
| /** |
| * cs_dsp_run() - Starts the firmware running |
| * @dsp: pointer to DSP structure |
| * |
| * cs_dsp_power_up() must have previously been called successfully. |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_run(struct cs_dsp *dsp) |
| { |
| int ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| if (!dsp->booted) { |
| ret = -EIO; |
| goto err; |
| } |
| |
| if (dsp->ops->enable_core) { |
| ret = dsp->ops->enable_core(dsp); |
| if (ret != 0) |
| goto err; |
| } |
| |
| if (dsp->client_ops->pre_run) { |
| ret = dsp->client_ops->pre_run(dsp); |
| if (ret) |
| goto err; |
| } |
| |
| /* Sync set controls */ |
| ret = cs_dsp_coeff_sync_controls(dsp); |
| if (ret != 0) |
| goto err; |
| |
| if (dsp->ops->lock_memory) { |
| ret = dsp->ops->lock_memory(dsp, dsp->lock_regions); |
| if (ret != 0) { |
| cs_dsp_err(dsp, "Error configuring MPU: %d\n", ret); |
| goto err; |
| } |
| } |
| |
| if (dsp->ops->start_core) { |
| ret = dsp->ops->start_core(dsp); |
| if (ret != 0) |
| goto err; |
| } |
| |
| dsp->running = true; |
| |
| if (dsp->client_ops->post_run) { |
| ret = dsp->client_ops->post_run(dsp); |
| if (ret) |
| goto err; |
| } |
| |
| mutex_unlock(&dsp->pwr_lock); |
| |
| return 0; |
| |
| err: |
| if (dsp->ops->stop_core) |
| dsp->ops->stop_core(dsp); |
| if (dsp->ops->disable_core) |
| dsp->ops->disable_core(dsp); |
| mutex_unlock(&dsp->pwr_lock); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_run); |
| |
| /** |
| * cs_dsp_stop() - Stops the firmware |
| * @dsp: pointer to DSP structure |
| * |
| * Memory will not be disabled so firmware will remain loaded. |
| */ |
| void cs_dsp_stop(struct cs_dsp *dsp) |
| { |
| /* Tell the firmware to cleanup */ |
| cs_dsp_signal_event_controls(dsp, CS_DSP_FW_EVENT_SHUTDOWN); |
| |
| if (dsp->ops->stop_watchdog) |
| dsp->ops->stop_watchdog(dsp); |
| |
| /* Log firmware state, it can be useful for analysis */ |
| if (dsp->ops->show_fw_status) |
| dsp->ops->show_fw_status(dsp); |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| if (dsp->client_ops->pre_stop) |
| dsp->client_ops->pre_stop(dsp); |
| |
| dsp->running = false; |
| |
| if (dsp->ops->stop_core) |
| dsp->ops->stop_core(dsp); |
| if (dsp->ops->disable_core) |
| dsp->ops->disable_core(dsp); |
| |
| if (dsp->client_ops->post_stop) |
| dsp->client_ops->post_stop(dsp); |
| |
| mutex_unlock(&dsp->pwr_lock); |
| |
| cs_dsp_dbg(dsp, "Execution stopped\n"); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_stop); |
| |
| static int cs_dsp_halo_start_core(struct cs_dsp *dsp) |
| { |
| int ret; |
| |
| ret = regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL, |
| HALO_CORE_RESET | HALO_CORE_EN, |
| HALO_CORE_RESET | HALO_CORE_EN); |
| if (ret) |
| return ret; |
| |
| return regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL, |
| HALO_CORE_RESET, 0); |
| } |
| |
| static void cs_dsp_halo_stop_core(struct cs_dsp *dsp) |
| { |
| regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL, |
| HALO_CORE_EN, 0); |
| |
| /* reset halo core with CORE_SOFT_RESET */ |
| regmap_update_bits(dsp->regmap, dsp->base + HALO_CORE_SOFT_RESET, |
| HALO_CORE_SOFT_RESET_MASK, 1); |
| } |
| |
| /** |
| * cs_dsp_adsp2_init() - Initialise a cs_dsp structure representing a ADSP2 core |
| * @dsp: pointer to DSP structure |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_adsp2_init(struct cs_dsp *dsp) |
| { |
| int ret; |
| |
| switch (dsp->rev) { |
| case 0: |
| /* |
| * Disable the DSP memory by default when in reset for a small |
| * power saving. |
| */ |
| ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, |
| ADSP2_MEM_ENA, 0); |
| if (ret) { |
| cs_dsp_err(dsp, |
| "Failed to clear memory retention: %d\n", ret); |
| return ret; |
| } |
| |
| dsp->ops = &cs_dsp_adsp2_ops[0]; |
| break; |
| case 1: |
| dsp->ops = &cs_dsp_adsp2_ops[1]; |
| break; |
| default: |
| dsp->ops = &cs_dsp_adsp2_ops[2]; |
| break; |
| } |
| |
| return cs_dsp_common_init(dsp); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_adsp2_init); |
| |
| /** |
| * cs_dsp_halo_init() - Initialise a cs_dsp structure representing a HALO Core DSP |
| * @dsp: pointer to DSP structure |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_halo_init(struct cs_dsp *dsp) |
| { |
| dsp->ops = &cs_dsp_halo_ops; |
| |
| return cs_dsp_common_init(dsp); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_halo_init); |
| |
| /** |
| * cs_dsp_remove() - Clean a cs_dsp before deletion |
| * @dsp: pointer to DSP structure |
| */ |
| void cs_dsp_remove(struct cs_dsp *dsp) |
| { |
| struct cs_dsp_coeff_ctl *ctl; |
| |
| while (!list_empty(&dsp->ctl_list)) { |
| ctl = list_first_entry(&dsp->ctl_list, struct cs_dsp_coeff_ctl, list); |
| |
| if (dsp->client_ops->control_remove) |
| dsp->client_ops->control_remove(ctl); |
| |
| list_del(&ctl->list); |
| cs_dsp_free_ctl_blk(ctl); |
| } |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_remove); |
| |
| /** |
| * cs_dsp_read_raw_data_block() - Reads a block of data from DSP memory |
| * @dsp: pointer to DSP structure |
| * @mem_type: the type of DSP memory containing the data to be read |
| * @mem_addr: the address of the data within the memory region |
| * @num_words: the length of the data to read |
| * @data: a buffer to store the fetched data |
| * |
| * If this is used to read unpacked 24-bit memory, each 24-bit DSP word will |
| * occupy 32-bits in data (MSbyte will be 0). This padding can be removed using |
| * cs_dsp_remove_padding() |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_read_raw_data_block(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr, |
| unsigned int num_words, __be32 *data) |
| { |
| struct cs_dsp_region const *mem = cs_dsp_find_region(dsp, mem_type); |
| unsigned int reg; |
| int ret; |
| |
| lockdep_assert_held(&dsp->pwr_lock); |
| |
| if (!mem) |
| return -EINVAL; |
| |
| reg = dsp->ops->region_to_reg(mem, mem_addr); |
| |
| ret = regmap_raw_read(dsp->regmap, reg, data, |
| sizeof(*data) * num_words); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_read_raw_data_block); |
| |
| /** |
| * cs_dsp_read_data_word() - Reads a word from DSP memory |
| * @dsp: pointer to DSP structure |
| * @mem_type: the type of DSP memory containing the data to be read |
| * @mem_addr: the address of the data within the memory region |
| * @data: a buffer to store the fetched data |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_read_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr, u32 *data) |
| { |
| __be32 raw; |
| int ret; |
| |
| ret = cs_dsp_read_raw_data_block(dsp, mem_type, mem_addr, 1, &raw); |
| if (ret < 0) |
| return ret; |
| |
| *data = be32_to_cpu(raw) & 0x00ffffffu; |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_read_data_word); |
| |
| /** |
| * cs_dsp_write_data_word() - Writes a word to DSP memory |
| * @dsp: pointer to DSP structure |
| * @mem_type: the type of DSP memory containing the data to be written |
| * @mem_addr: the address of the data within the memory region |
| * @data: the data to be written |
| * |
| * Return: Zero for success, a negative number on error. |
| */ |
| int cs_dsp_write_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr, u32 data) |
| { |
| struct cs_dsp_region const *mem = cs_dsp_find_region(dsp, mem_type); |
| __be32 val = cpu_to_be32(data & 0x00ffffffu); |
| unsigned int reg; |
| |
| lockdep_assert_held(&dsp->pwr_lock); |
| |
| if (!mem) |
| return -EINVAL; |
| |
| reg = dsp->ops->region_to_reg(mem, mem_addr); |
| |
| return regmap_raw_write(dsp->regmap, reg, &val, sizeof(val)); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_write_data_word); |
| |
| /** |
| * cs_dsp_remove_padding() - Convert unpacked words to packed bytes |
| * @buf: buffer containing DSP words read from DSP memory |
| * @nwords: number of words to convert |
| * |
| * DSP words from the register map have pad bytes and the data bytes |
| * are in swapped order. This swaps to the native endian order and |
| * strips the pad bytes. |
| */ |
| void cs_dsp_remove_padding(u32 *buf, int nwords) |
| { |
| const __be32 *pack_in = (__be32 *)buf; |
| u8 *pack_out = (u8 *)buf; |
| int i; |
| |
| for (i = 0; i < nwords; i++) { |
| u32 word = be32_to_cpu(*pack_in++); |
| *pack_out++ = (u8)word; |
| *pack_out++ = (u8)(word >> 8); |
| *pack_out++ = (u8)(word >> 16); |
| } |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_remove_padding); |
| |
| /** |
| * cs_dsp_adsp2_bus_error() - Handle a DSP bus error interrupt |
| * @dsp: pointer to DSP structure |
| * |
| * The firmware and DSP state will be logged for future analysis. |
| */ |
| void cs_dsp_adsp2_bus_error(struct cs_dsp *dsp) |
| { |
| unsigned int val; |
| struct regmap *regmap = dsp->regmap; |
| int ret = 0; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |
| ret = regmap_read(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL, &val); |
| if (ret) { |
| cs_dsp_err(dsp, |
| "Failed to read Region Lock Ctrl register: %d\n", ret); |
| goto error; |
| } |
| |
| if (val & ADSP2_WDT_TIMEOUT_STS_MASK) { |
| cs_dsp_err(dsp, "watchdog timeout error\n"); |
| dsp->ops->stop_watchdog(dsp); |
| if (dsp->client_ops->watchdog_expired) |
| dsp->client_ops->watchdog_expired(dsp); |
| } |
| |
| if (val & (ADSP2_ADDR_ERR_MASK | ADSP2_REGION_LOCK_ERR_MASK)) { |
| if (val & ADSP2_ADDR_ERR_MASK) |
| cs_dsp_err(dsp, "bus error: address error\n"); |
| else |
| cs_dsp_err(dsp, "bus error: region lock error\n"); |
| |
| ret = regmap_read(regmap, dsp->base + ADSP2_BUS_ERR_ADDR, &val); |
| if (ret) { |
| cs_dsp_err(dsp, |
| "Failed to read Bus Err Addr register: %d\n", |
| ret); |
| goto error; |
| } |
| |
| cs_dsp_err(dsp, "bus error address = 0x%x\n", |
| val & ADSP2_BUS_ERR_ADDR_MASK); |
| |
| ret = regmap_read(regmap, |
| dsp->base + ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR, |
| &val); |
| if (ret) { |
| cs_dsp_err(dsp, |
| "Failed to read Pmem Xmem Err Addr register: %d\n", |
| ret); |
| goto error; |
| } |
| |
| cs_dsp_err(dsp, "xmem error address = 0x%x\n", |
| val & ADSP2_XMEM_ERR_ADDR_MASK); |
| cs_dsp_err(dsp, "pmem error address = 0x%x\n", |
| (val & ADSP2_PMEM_ERR_ADDR_MASK) >> |
| ADSP2_PMEM_ERR_ADDR_SHIFT); |
| } |
| |
| regmap_update_bits(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL, |
| ADSP2_CTRL_ERR_EINT, ADSP2_CTRL_ERR_EINT); |
| |
| error: |
| mutex_unlock(&dsp->pwr_lock); |
| } |
| EXPORT_SYMBOL_GPL(cs_dsp_adsp2_bus_error); |
| |
| /** |
| * cs_dsp_halo_bus_error() - Handle a DSP bus error interrupt |
| * @dsp: pointer to DSP structure |
| * |
| * The firmware and DSP state will be logged for future analysis. |
| */ |
| void cs_dsp_halo_bus_error(struct cs_dsp *dsp) |
| { |
| struct regmap *regmap = dsp->regmap; |
| unsigned int fault[6]; |
| struct reg_sequence clear[] = { |
| { dsp->base + HALO_MPU_XM_VIO_STATUS, 0x0 }, |
| { dsp->base + HALO_MPU_YM_VIO_STATUS, 0x0 }, |
| { dsp->base + HALO_MPU_PM_VIO_STATUS, 0x0 }, |
| }; |
| int ret; |
| |
| mutex_lock(&dsp->pwr_lock); |
| |