firmware: cs_dsp: add driver to support firmware loading on Cirrus Logic DSPs

wm_adsp originally provided firmware loading on some audio DSP and was
implemented as an ASoC codec driver. However, the firmware loading now
covers a wider range of DSP cores and peripherals containing them,
beyond just audio. So it needs to be available to non-audio drivers. All
the core firmware loading support has been moved into a new driver
cs_dsp, leaving only the ASoC-specific parts in wm_adsp.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210913160057.103842-17-simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 3 insertions, 129 deletions

diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 25aaef74654c..0e2f113bd342 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -10,113 +10,19 @@
 #ifndef __WM_ADSP_H
 #define __WM_ADSP_H
 
+#include <linux/firmware/cirrus/cs_dsp.h>
+#include <linux/firmware/cirrus/wmfw.h>
+
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 #include <sound/compress_driver.h>
 
-#include "wmfw.h"
-
 /* Return values for wm_adsp_compr_handle_irq */
 #define WM_ADSP_COMPR_OK                 0
 #define WM_ADSP_COMPR_VOICE_TRIGGER      1
 
-#define CS_ADSP2_REGION_0 BIT(0)
-#define CS_ADSP2_REGION_1 BIT(1)
-#define CS_ADSP2_REGION_2 BIT(2)
-#define CS_ADSP2_REGION_3 BIT(3)
-#define CS_ADSP2_REGION_4 BIT(4)
-#define CS_ADSP2_REGION_5 BIT(5)
-#define CS_ADSP2_REGION_6 BIT(6)
-#define CS_ADSP2_REGION_7 BIT(7)
-#define CS_ADSP2_REGION_8 BIT(8)
-#define CS_ADSP2_REGION_9 BIT(9)
-#define CS_ADSP2_REGION_1_9 (CS_ADSP2_REGION_1 | \
-		CS_ADSP2_REGION_2 | CS_ADSP2_REGION_3 | \
-		CS_ADSP2_REGION_4 | CS_ADSP2_REGION_5 | \
-		CS_ADSP2_REGION_6 | CS_ADSP2_REGION_7 | \
-		CS_ADSP2_REGION_8 | CS_ADSP2_REGION_9)
-#define CS_ADSP2_REGION_ALL (CS_ADSP2_REGION_0 | CS_ADSP2_REGION_1_9)
-
-struct cs_dsp_region {
-	int type;
-	unsigned int base;
-};
-
-struct cs_dsp_alg_region {
-	struct list_head list;
-	unsigned int alg;
-	int type;
-	unsigned int base;
-};
-
 struct wm_adsp_compr;
 struct wm_adsp_compr_buf;
-struct cs_dsp_ops;
-struct cs_dsp_client_ops;
-
-struct cs_dsp_coeff_ctl {
-	const char *fw_name;
-	/* Subname is needed to match with firmware */
-	const char *subname;
-	unsigned int subname_len;
-	struct cs_dsp_alg_region alg_region;
-	struct cs_dsp *dsp;
-	unsigned int enabled:1;
-	struct list_head list;
-	void *cache;
-	unsigned int offset;
-	size_t len;
-	unsigned int set:1;
-	unsigned int flags;
-	unsigned int type;
-
-	void *priv;
-};
-
-struct cs_dsp {
-	const char *name;
-	int rev;
-	int num;
-	int type;
-	struct device *dev;
-	struct regmap *regmap;
-
-	const struct cs_dsp_ops *ops;
-	const struct cs_dsp_client_ops *client_ops;
-
-	unsigned int base;
-	unsigned int base_sysinfo;
-	unsigned int sysclk_reg;
-	unsigned int sysclk_mask;
-	unsigned int sysclk_shift;
-
-	struct list_head alg_regions;
-
-	const char *fw_name;
-	unsigned int fw_id;
-	unsigned int fw_id_version;
-	unsigned int fw_vendor_id;
-
-	const struct cs_dsp_region *mem;
-	int num_mems;
-
-	int fw_ver;
-
-	bool booted;
-	bool running;
-
-	struct list_head ctl_list;
-
-	struct mutex pwr_lock;
-
-	unsigned int lock_regions;
-
-#ifdef CONFIG_DEBUG_FS
-	struct dentry *debugfs_root;
-	char *wmfw_file_name;
-	char *bin_file_name;
-#endif
-};
 
 struct wm_adsp {
 	struct cs_dsp cs_dsp;
@@ -137,30 +43,6 @@ struct wm_adsp {
 	struct list_head buffer_list;
 };
 
-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);
-};
-
 #define WM_ADSP1(wname, num) \
 	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
 		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
@@ -239,12 +121,4 @@ int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name,  int type,
 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name,  int type,
 		      unsigned int alg, void *buf, size_t len);
 
-struct cs_dsp_client_ops {
-	int (*control_add)(struct cs_dsp_coeff_ctl *ctl);
-	void (*control_remove)(struct cs_dsp_coeff_ctl *ctl);
-	int (*post_run)(struct cs_dsp *dsp);
-	void (*post_stop)(struct cs_dsp *dsp);
-	void (*watchdog_expired)(struct cs_dsp *dsp);
-};
-
 #endif