From e10f871190ce2f912317c874a56b9cc417e46e84 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 4 Oct 2012 16:31:52 +0100 Subject: ASoC: wm2200: Initial DSP support Support download and execution of firmwares to the DSPs on the WM2200. Signed-off-by: Mark Brown --- sound/soc/codecs/wmfw.h | 56 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 sound/soc/codecs/wmfw.h (limited to 'sound/soc/codecs/wmfw.h') diff --git a/sound/soc/codecs/wmfw.h b/sound/soc/codecs/wmfw.h new file mode 100644 index 000000000000..ef37316f0643 --- /dev/null +++ b/sound/soc/codecs/wmfw.h @@ -0,0 +1,56 @@ +/* + * wmfw.h - Wolfson firmware format information + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __WMFW_H +#define __WMFW_H + +#include + +struct wmfw_header { + char magic[4]; + __le32 len; + __le16 rev; + u8 core; + u8 ver; +} __packed; + +struct wmfw_footer { + __le64 timestamp; + __le32 checksum; +} __packed; + +struct wmfw_adsp1_sizes { + __le32 dm; + __le32 pm; + __le32 zm; +} __packed; + +struct wmfw_region { + union { + __be32 type; + __le32 offset; + }; + __le32 len; + u8 data[]; +} __packed; + +#define WMFW_ADSP1 1 + +#define WMFW_ABSOLUTE 0xf0 +#define WMFW_NAME_TEXT 0xfe +#define WMFW_INFO_TEXT 0xff + +#define WMFW_ADSP1_PM 2 +#define WMFW_ADSP1_DM 3 +#define WMFW_ADSP1_ZM 4 + +#endif -- cgit v1.2.3-58-ga151 From 6e87badd3f38e1a095d6e1b13828246c3e8486b5 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 5 Oct 2012 19:43:18 +0100 Subject: ASoC: wm2200: Provide initial coefficient loading Allow a coefficient set provided using the Wolfson callibration tools to be provided along with the firmware files. Currently only coefficient files which configure absolute register addresses are supported. Signed-off-by: Mark Brown --- sound/soc/codecs/wm2200.c | 194 ++++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/wmfw.h | 43 ++++++++++ 2 files changed, 237 insertions(+) (limited to 'sound/soc/codecs/wmfw.h') diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c index e3f549b65b08..06d4e612a164 100644 --- a/sound/soc/codecs/wm2200.c +++ b/sound/soc/codecs/wm2200.c @@ -1150,6 +1150,192 @@ out: return ret; } +static int wm2200_setup_algs(struct snd_soc_codec *codec, int base) +{ + struct regmap *regmap = codec->control_data; + struct wmfw_adsp1_id_hdr id; + struct wmfw_adsp1_alg_hdr *alg; + size_t algs; + int zm, dm, pm, ret, i; + __be32 val; + + switch (base) { + case WM2200_DSP1_CONTROL_1: + dm = WM2200_DSP1_DM_BASE; + pm = WM2200_DSP1_PM_BASE; + zm = WM2200_DSP1_ZM_BASE; + break; + case WM2200_DSP2_CONTROL_1: + dm = WM2200_DSP2_DM_BASE; + pm = WM2200_DSP2_PM_BASE; + zm = WM2200_DSP2_ZM_BASE; + break; + default: + dev_err(codec->dev, "BASE %x\n", base); + BUG_ON(1); + return -EINVAL; + } + + ret = regmap_raw_read(regmap, dm, &id, sizeof(id)); + if (ret != 0) { + dev_err(codec->dev, "Failed to read algorithm info: %d\n", + ret); + return ret; + } + + algs = be32_to_cpu(id.algs); + dev_info(codec->dev, "Firmware: %x v%d.%d.%d, %d algorithms\n", + be32_to_cpu(id.fw.id), + (be32_to_cpu(id.fw.ver) & 0xff000) >> 16, + (be32_to_cpu(id.fw.ver) & 0xff00) >> 8, + be32_to_cpu(id.fw.ver) & 0xff, + algs); + + /* Read the terminator first to validate the length */ + ret = regmap_raw_read(regmap, dm + + (sizeof(id) + (algs * sizeof(*alg))) / 2, + &val, sizeof(val)); + if (ret != 0) { + dev_err(codec->dev, "Failed to read algorithm list end: %d\n", + ret); + return ret; + } + + if (be32_to_cpu(val) != 0xbedead) + dev_warn(codec->dev, "Algorithm list end %x 0x%x != 0xbeadead\n", + (sizeof(id) + (algs * sizeof(*alg))) / 2, + be32_to_cpu(val)); + + alg = kzalloc(sizeof(*alg) * algs, GFP_KERNEL); + if (!alg) + return -ENOMEM; + + ret = regmap_raw_read(regmap, dm + (sizeof(id) / 2), + alg, algs * sizeof(*alg)); + if (ret != 0) { + dev_err(codec->dev, "Failed to read algorithm list: %d\n", + ret); + goto out; + } + + for (i = 0; i < algs; i++) { + dev_info(codec->dev, "%d: ID %x v%d.%d.%d\n", + i, be32_to_cpu(alg[i].alg.id), + (be32_to_cpu(alg[i].alg.ver) & 0xff000) >> 16, + (be32_to_cpu(alg[i].alg.ver) & 0xff00) >> 8, + be32_to_cpu(alg[i].alg.ver) & 0xff); + } + +out: + kfree(alg); + return ret; +} + +static int wm2200_load_coeff(struct snd_soc_codec *codec, int base) +{ + struct regmap *regmap = codec->control_data; + struct wmfw_coeff_hdr *hdr; + struct wmfw_coeff_item *blk; + const struct firmware *firmware; + const char *file, *region_name; + int ret, dm, pm, zm, pos, blocks, type, offset, reg; + + switch (base) { + case WM2200_DSP1_CONTROL_1: + file = "wm2200-dsp1.bin"; + dm = WM2200_DSP1_DM_BASE; + pm = WM2200_DSP1_PM_BASE; + zm = WM2200_DSP1_ZM_BASE; + break; + case WM2200_DSP2_CONTROL_1: + file = "wm2200-dsp2.bin"; + dm = WM2200_DSP2_DM_BASE; + pm = WM2200_DSP2_PM_BASE; + zm = WM2200_DSP2_ZM_BASE; + break; + default: + dev_err(codec->dev, "BASE %x\n", base); + BUG_ON(1); + return -EINVAL; + } + + ret = request_firmware(&firmware, file, codec->dev); + if (ret != 0) { + dev_err(codec->dev, "Failed to request '%s'\n", file); + return ret; + } + + if (sizeof(*hdr) >= firmware->size) { + dev_err(codec->dev, "%s: file too short, %d bytes\n", + file, firmware->size); + return -EINVAL; + } + + hdr = (void*)&firmware->data[0]; + if (memcmp(hdr->magic, "WMDR", 4) != 0) { + dev_err(codec->dev, "%s: invalid magic\n", file); + return -EINVAL; + } + + dev_dbg(codec->dev, "%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 && + pos - firmware->size > sizeof(*blk)) { + blk = (void*)(&firmware->data[pos]); + + type = be32_to_cpu(blk->type) & 0xff; + offset = le32_to_cpu(blk->offset) & 0xffffff; + + dev_dbg(codec->dev, "%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); + dev_dbg(codec->dev, "%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: + case WMFW_INFO_TEXT: + break; + case WMFW_ABSOLUTE: + region_name = "register"; + reg = offset; + break; + default: + dev_err(codec->dev, "Unknown region type %x\n", type); + break; + } + + if (reg) { + ret = regmap_raw_write(regmap, reg, blk->data, + le32_to_cpu(blk->len)); + if (ret != 0) { + dev_err(codec->dev, + "%s.%d: Failed to write to %x in %s\n", + file, blocks, reg, region_name); + } + } + + pos += le32_to_cpu(blk->len) + sizeof(*blk); + blocks++; + } + + if (pos > firmware->size) + dev_warn(codec->dev, "%s.%d: %d bytes at end of file\n", + file, blocks, pos - firmware->size); + + return 0; +} + static int wm2200_dsp_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) @@ -1164,6 +1350,14 @@ static int wm2200_dsp_ev(struct snd_soc_dapm_widget *w, if (ret != 0) return ret; + ret = wm2200_setup_algs(codec, base); + if (ret != 0) + return ret; + + ret = wm2200_load_coeff(codec, base); + if (ret != 0) + return ret; + /* Start the core running */ snd_soc_update_bits(codec, w->reg, WM2200_DSP1_CORE_ENA | WM2200_DSP1_START, diff --git a/sound/soc/codecs/wmfw.h b/sound/soc/codecs/wmfw.h index ef37316f0643..5791f8e440ad 100644 --- a/sound/soc/codecs/wmfw.h +++ b/sound/soc/codecs/wmfw.h @@ -43,6 +43,49 @@ struct wmfw_region { u8 data[]; } __packed; +struct wmfw_id_hdr { + __be32 core_id; + __be32 core_rev; + __be32 id; + __be32 ver; +} __packed; + +struct wmfw_adsp1_id_hdr { + struct wmfw_id_hdr fw; + __be32 zm; + __be32 dm; + __be32 algs; +} __packed; + +struct wmfw_alg_hdr { + __be32 id; + __be32 ver; +} __packed; + +struct wmfw_adsp1_alg_hdr { + struct wmfw_alg_hdr alg; + __be32 zm; + __be32 dm; +} __packed; + +struct wmfw_coeff_hdr { + u8 magic[4]; + __le32 len; + __le32 ver; + u8 data[]; +} __packed; + +struct wmfw_coeff_item { + union { + __be32 type; + __le32 offset; + }; + __le32 id; + __le32 ver; + __le32 sr; + __le32 len; + u8 data[]; +} __packed; #define WMFW_ADSP1 1 #define WMFW_ABSOLUTE 0xf0 -- cgit v1.2.3-58-ga151 From 2159ad936b7e7a8b26c99cf5b4476cfbb8c13e22 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 11 Oct 2012 11:54:02 +0900 Subject: ASoC: adsp: Add ADSP base support Many current Wolfson devices feature DSPs based around an architecture known as ADSP. Since there is a lot of commonality in the system integration of these devices a common library will be used to provide support for them. This version provides equivalent support for ADSP1 to that currently included in the WM2200 driver. Signed-off-by: Mark Brown --- sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/wm_adsp.c | 571 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/wm_adsp.h | 54 +++++ sound/soc/codecs/wmfw.h | 29 +++ 5 files changed, 661 insertions(+) create mode 100644 sound/soc/codecs/wm_adsp.c create mode 100644 sound/soc/codecs/wm_adsp.h (limited to 'sound/soc/codecs/wmfw.h') diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index b92759a39361..f866e18e7876 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -146,6 +146,11 @@ config SND_SOC_WM_HUBS default y if SND_SOC_WM8993=y || SND_SOC_WM8994=y default m if SND_SOC_WM8993=m || SND_SOC_WM8994=m +config SND_SOC_WM_ADSP + tristate + default y if SND_SOC_WM2200=y + default m if SND_SOC_WM2200=m + config SND_SOC_AB8500_CODEC tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 9bd4d95aab4f..61633d5ff3da 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -62,6 +62,7 @@ snd-soc-twl6040-objs := twl6040.o snd-soc-uda134x-objs := uda134x.o snd-soc-uda1380-objs := uda1380.o snd-soc-wl1273-objs := wl1273.o +snd-soc-wm-adsp-objs := wm_adsp.o snd-soc-wm0010-objs := wm0010.o snd-soc-wm1250-ev1-objs := wm1250-ev1.o snd-soc-wm2000-objs := wm2000.o @@ -229,6 +230,7 @@ obj-$(CONFIG_SND_SOC_WM9090) += snd-soc-wm9090.o obj-$(CONFIG_SND_SOC_WM9705) += snd-soc-wm9705.o obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o +obj-$(CONFIG_SND_SOC_WM_ADSP) += snd-soc-wm-adsp.o obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o # Amp diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c new file mode 100644 index 000000000000..c72d3fa85727 --- /dev/null +++ b/sound/soc/codecs/wm_adsp.c @@ -0,0 +1,571 @@ +/* + * wm_adsp.c -- Wolfson ADSP support + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "wm_adsp.h" + +#define adsp_crit(_dsp, fmt, ...) \ + dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) +#define adsp_err(_dsp, fmt, ...) \ + dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) +#define adsp_warn(_dsp, fmt, ...) \ + dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) +#define adsp_info(_dsp, fmt, ...) \ + dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) +#define adsp_dbg(_dsp, fmt, ...) \ + dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__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 */ + +#define ADSP2_CONTROL 0 +#define ADSP2_STATUS1 4 + +/* + * 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 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 + + +static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *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 int wm_adsp_load(struct wm_adsp *dsp) +{ + const struct firmware *firmware; + struct regmap *regmap = dsp->regmap; + unsigned int pos = 0; + const struct wmfw_header *header; + const struct wmfw_adsp1_sizes *adsp1_sizes; + const struct wmfw_adsp2_sizes *adsp2_sizes; + const struct wmfw_footer *footer; + const struct wmfw_region *region; + const struct wm_adsp_region *mem; + const char *region_name; + char *file, *text; + unsigned int reg; + int regions = 0; + int ret, offset, type, sizes; + + file = kzalloc(PAGE_SIZE, GFP_KERNEL); + if (file == NULL) + return -ENOMEM; + + snprintf(file, PAGE_SIZE, "%s-dsp%d.wmfw", dsp->part, dsp->num); + file[PAGE_SIZE - 1] = '\0'; + + ret = request_firmware(&firmware, file, dsp->dev); + if (ret != 0) { + adsp_err(dsp, "Failed to request '%s'\n", file); + goto out; + } + ret = -EINVAL; + + pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer); + if (pos >= firmware->size) { + adsp_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) { + adsp_err(dsp, "%s: invalid magic\n", file); + goto out_fw; + } + + if (header->ver != 0) { + adsp_err(dsp, "%s: unknown file format %d\n", + file, header->ver); + goto out_fw; + } + + if (header->core != dsp->type) { + adsp_err(dsp, "%s: invalid core %d != %d\n", + file, header->core, dsp->type); + goto out_fw; + } + + switch (dsp->type) { + case WMFW_ADSP1: + pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer); + adsp1_sizes = (void *)&(header[1]); + footer = (void *)&(adsp1_sizes[1]); + sizes = sizeof(*adsp1_sizes); + + adsp_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)); + break; + + case WMFW_ADSP2: + pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer); + adsp2_sizes = (void *)&(header[1]); + footer = (void *)&(adsp2_sizes[1]); + sizes = sizeof(*adsp2_sizes); + + adsp_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)); + break; + + default: + BUG_ON(NULL == "Unknown DSP type"); + goto out_fw; + } + + if (le32_to_cpu(header->len) != sizeof(*header) + + sizes + sizeof(*footer)) { + adsp_err(dsp, "%s: unexpected header length %d\n", + file, le32_to_cpu(header->len)); + goto out_fw; + } + + adsp_dbg(dsp, "%s: timestamp %llu\n", file, + le64_to_cpu(footer->timestamp)); + + while (pos < firmware->size && + pos - firmware->size > sizeof(*region)) { + 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; + mem = wm_adsp_find_region(dsp, type); + + switch (type) { + case WMFW_NAME_TEXT: + region_name = "Firmware name"; + text = kzalloc(le32_to_cpu(region->len) + 1, + GFP_KERNEL); + 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: + BUG_ON(!mem); + region_name = "PM"; + reg = mem->base + (offset * 3); + break; + case WMFW_ADSP1_DM: + BUG_ON(!mem); + region_name = "DM"; + reg = mem->base + (offset * 2); + break; + case WMFW_ADSP2_XM: + BUG_ON(!mem); + region_name = "XM"; + reg = mem->base + (offset * 2); + break; + case WMFW_ADSP2_YM: + BUG_ON(!mem); + region_name = "YM"; + reg = mem->base + (offset * 2); + break; + case WMFW_ADSP1_ZM: + BUG_ON(!mem); + region_name = "ZM"; + reg = mem->base + (offset * 2); + break; + default: + adsp_warn(dsp, + "%s.%d: Unknown region type %x at %d(%x)\n", + file, regions, type, pos, pos); + break; + } + + adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file, + regions, le32_to_cpu(region->len), offset, + region_name); + + if (text) { + memcpy(text, region->data, le32_to_cpu(region->len)); + adsp_info(dsp, "%s: %s\n", file, text); + kfree(text); + } + + if (reg) { + ret = regmap_raw_write(regmap, reg, region->data, + le32_to_cpu(region->len)); + if (ret != 0) { + adsp_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++; + } + + if (pos > firmware->size) + adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", + file, regions, pos - firmware->size); + +out_fw: + release_firmware(firmware); +out: + kfree(file); + + return ret; +} + +static int wm_adsp_load_coeff(struct wm_adsp *dsp) +{ + struct regmap *regmap = dsp->regmap; + struct wmfw_coeff_hdr *hdr; + struct wmfw_coeff_item *blk; + const struct firmware *firmware; + const char *region_name; + int ret, pos, blocks, type, offset, reg; + char *file; + + file = kzalloc(PAGE_SIZE, GFP_KERNEL); + if (file == NULL) + return -ENOMEM; + + snprintf(file, PAGE_SIZE, "%s-dsp%d.bin", dsp->part, dsp->num); + file[PAGE_SIZE - 1] = '\0'; + + ret = request_firmware(&firmware, file, dsp->dev); + if (ret != 0) { + adsp_warn(dsp, "Failed to request '%s'\n", file); + ret = 0; + goto out; + } + ret = -EINVAL; + + if (sizeof(*hdr) >= firmware->size) { + adsp_err(dsp, "%s: file too short, %zu bytes\n", + file, firmware->size); + goto out_fw; + } + + hdr = (void*)&firmware->data[0]; + if (memcmp(hdr->magic, "WMDR", 4) != 0) { + adsp_err(dsp, "%s: invalid magic\n", file); + return -EINVAL; + } + + adsp_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 && + pos - firmware->size > sizeof(*blk)) { + blk = (void*)(&firmware->data[pos]); + + type = be32_to_cpu(blk->type) & 0xff; + offset = le32_to_cpu(blk->offset) & 0xffffff; + + adsp_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); + adsp_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: + case WMFW_INFO_TEXT: + break; + case WMFW_ABSOLUTE: + region_name = "register"; + reg = offset; + break; + default: + adsp_err(dsp, "Unknown region type %x\n", type); + break; + } + + if (reg) { + ret = regmap_raw_write(regmap, reg, blk->data, + le32_to_cpu(blk->len)); + if (ret != 0) { + adsp_err(dsp, + "%s.%d: Failed to write to %x in %s\n", + file, blocks, reg, region_name); + } + } + + pos += le32_to_cpu(blk->len) + sizeof(*blk); + blocks++; + } + + if (pos > firmware->size) + adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", + file, blocks, pos - firmware->size); + +out_fw: + release_firmware(firmware); +out: + kfree(file); + return 0; +} + +int wm_adsp1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = w->codec; + struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec); + struct wm_adsp *dsp = &dsps[w->shift]; + int ret; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_SYS_ENA, ADSP1_SYS_ENA); + + ret = wm_adsp_load(dsp); + if (ret != 0) + goto err; + + ret = wm_adsp_load_coeff(dsp); + if (ret != 0) + goto err; + + /* Start the core running */ + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_CORE_ENA | ADSP1_START, + ADSP1_CORE_ENA | ADSP1_START); + break; + + case SND_SOC_DAPM_PRE_PMD: + /* 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); + break; + + default: + break; + } + + return 0; + +err: + regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, + ADSP1_SYS_ENA, 0); + return ret; +} +EXPORT_SYMBOL_GPL(wm_adsp1_event); + +static int wm_adsp2_ena(struct wm_adsp *dsp) +{ + unsigned int val; + int ret, count; + + ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, + ADSP2_SYS_ENA, ADSP2_SYS_ENA); + if (ret != 0) + return ret; + + /* Wait for the RAM to start, should be near instantaneous */ + count = 0; + do { + ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, + &val); + if (ret != 0) + return ret; + } while (!(val & ADSP2_RAM_RDY) && ++count < 10); + + if (!(val & ADSP2_RAM_RDY)) { + adsp_err(dsp, "Failed to start DSP RAM\n"); + return -EBUSY; + } + + adsp_dbg(dsp, "RAM ready after %d polls\n", count); + adsp_info(dsp, "RAM ready after %d polls\n", count); + + return 0; +} + +int wm_adsp2_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec); + struct wm_adsp *dsp = &dsps[w->shift]; + int ret; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + ret = wm_adsp2_ena(dsp); + if (ret != 0) + return ret; + + ret = wm_adsp_load(dsp); + if (ret != 0) + goto err; + + ret = wm_adsp_load_coeff(dsp); + if (ret != 0) + goto err; + + ret = regmap_update_bits(dsp->regmap, + dsp->base + ADSP2_CONTROL, + ADSP2_SYS_ENA | ADSP2_START, 0); + if (ret != 0) + goto err; + break; + + case SND_SOC_DAPM_PRE_PMD: + regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, + ADSP2_SYS_ENA | ADSP2_START, 0); + break; + + default: + break; + } + + return 0; +err: + regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, + ADSP2_SYS_ENA | ADSP2_START, 0); + return ret; +} +EXPORT_SYMBOL_GPL(wm_adsp2_event); diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h new file mode 100644 index 000000000000..b303b1f29c49 --- /dev/null +++ b/sound/soc/codecs/wm_adsp.h @@ -0,0 +1,54 @@ +/* + * wm_adsp.h -- Wolfson ADSP support + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __WM_ADSP_H +#define __WM_ADSP_H + +#include +#include + +#include "wmfw.h" + +struct wm_adsp_region { + int type; + unsigned int base; +}; + +struct wm_adsp { + const char *part; + int num; + int type; + struct device *dev; + struct regmap *regmap; + + int base; + + const struct wm_adsp_region *mem; + int num_mems; +}; + +#define WM_ADSP1(wname, num) \ + { .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \ + .shift = num, .event = wm_adsp1_event, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } + +#define WM_ADSP2(wname, num) \ +{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \ + .shift = num, .event = wm_adsp2_event, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } + +int wm_adsp1_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); +int wm_adsp2_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); + +#endif diff --git a/sound/soc/codecs/wmfw.h b/sound/soc/codecs/wmfw.h index 5791f8e440ad..5632ded67fdd 100644 --- a/sound/soc/codecs/wmfw.h +++ b/sound/soc/codecs/wmfw.h @@ -34,6 +34,13 @@ struct wmfw_adsp1_sizes { __le32 zm; } __packed; +struct wmfw_adsp2_sizes { + __le32 xm; + __le32 ym; + __le32 pm; + __le32 zm; +} __packed; + struct wmfw_region { union { __be32 type; @@ -57,6 +64,14 @@ struct wmfw_adsp1_id_hdr { __be32 algs; } __packed; +struct wmfw_adsp2_id_hdr { + struct wmfw_id_hdr fw; + __be32 zm; + __be32 xm; + __be32 ym; + __be32 algs; +} __packed; + struct wmfw_alg_hdr { __be32 id; __be32 ver; @@ -68,6 +83,13 @@ struct wmfw_adsp1_alg_hdr { __be32 dm; } __packed; +struct wmfw_adsp2_alg_hdr { + struct wmfw_alg_hdr alg; + __be32 zm; + __be32 xm; + __be32 ym; +} __packed; + struct wmfw_coeff_hdr { u8 magic[4]; __le32 len; @@ -86,7 +108,9 @@ struct wmfw_coeff_item { __le32 len; u8 data[]; } __packed; + #define WMFW_ADSP1 1 +#define WMFW_ADSP2 2 #define WMFW_ABSOLUTE 0xf0 #define WMFW_NAME_TEXT 0xfe @@ -96,4 +120,9 @@ struct wmfw_coeff_item { #define WMFW_ADSP1_DM 3 #define WMFW_ADSP1_ZM 4 +#define WMFW_ADSP2_PM 2 +#define WMFW_ADSP2_ZM 4 +#define WMFW_ADSP2_XM 5 +#define WMFW_ADSP2_YM 6 + #endif -- cgit v1.2.3-58-ga151