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Diffstat (limited to 'sound/soc/sof/imx/imx-common.h')
-rw-r--r--sound/soc/sof/imx/imx-common.h151
1 files changed, 151 insertions, 0 deletions
diff --git a/sound/soc/sof/imx/imx-common.h b/sound/soc/sof/imx/imx-common.h
index 13d7f3ef675e..9bd711dbb5d0 100644
--- a/sound/soc/sof/imx/imx-common.h
+++ b/sound/soc/sof/imx/imx-common.h
@@ -4,10 +4,159 @@
#define __IMX_COMMON_H__
#include <linux/clk.h>
+#include <linux/of_platform.h>
+#include <sound/sof/xtensa.h>
+
+#include "../sof-of-dev.h"
+#include "../ops.h"
#define EXCEPT_MAX_HDR_SIZE 0x400
#define IMX8_STACK_DUMP_SIZE 32
+/* chip_info refers to the data stored in struct sof_dev_desc's chip_info */
+#define get_chip_info(sdev)\
+ ((const struct imx_chip_info *)((sdev)->pdata->desc->chip_info))
+
+/* chip_pdata refers to the data stored in struct imx_common_data's chip_pdata */
+#define get_chip_pdata(sdev)\
+ (((struct imx_common_data *)((sdev)->pdata->hw_pdata))->chip_pdata)
+
+/* can be used if:
+ * 1) The only supported IPC version is IPC3.
+ * 2) The default paths/FW name match values below.
+ *
+ * otherwise, just explicitly declare the structure
+ */
+#define IMX_SOF_DEV_DESC(mach_name, of_machs, \
+ mach_chip_info, mach_ops, mach_ops_init) \
+static struct sof_dev_desc sof_of_##mach_name##_desc = { \
+ .of_machines = of_machs, \
+ .chip_info = mach_chip_info, \
+ .ipc_supported_mask = BIT(SOF_IPC_TYPE_3), \
+ .ipc_default = SOF_IPC_TYPE_3, \
+ .default_fw_path = { \
+ [SOF_IPC_TYPE_3] = "imx/sof", \
+ }, \
+ .default_tplg_path = { \
+ [SOF_IPC_TYPE_3] = "imx/sof-tplg", \
+ }, \
+ .default_fw_filename = { \
+ [SOF_IPC_TYPE_3] = "sof-" #mach_name ".ri", \
+ }, \
+ .ops = mach_ops, \
+ .ops_init = mach_ops_init, \
+}
+
+/* to be used alongside IMX_SOF_DEV_DESC() */
+#define IMX_SOF_DEV_DESC_NAME(mach_name) sof_of_##mach_name##_desc
+
+/* dai driver entry w/ playback and capture caps. If one direction is missing
+ * then set the channels to 0.
+ */
+#define IMX_SOF_DAI_DRV_ENTRY(dai_name, pb_cmin, pb_cmax, cap_cmin, cap_cmax) \
+{ \
+ .name = dai_name, \
+ .playback = { \
+ .channels_min = pb_cmin, \
+ .channels_max = pb_cmax, \
+ }, \
+ .capture = { \
+ .channels_min = cap_cmin, \
+ .channels_max = cap_cmax, \
+ }, \
+}
+
+/* use if playback and capture have the same min/max channel count */
+#define IMX_SOF_DAI_DRV_ENTRY_BIDIR(dai_name, cmin, cmax)\
+ IMX_SOF_DAI_DRV_ENTRY(dai_name, cmin, cmax, cmin, cmax)
+
+struct imx_ipc_info {
+ /* true if core is able to write a panic code to the debug box */
+ bool has_panic_code;
+ /* offset to mailbox in which firmware initially writes FW_READY */
+ int boot_mbox_offset;
+ /* offset to region at which the mailboxes start */
+ int window_offset;
+};
+
+struct imx_chip_ops {
+ /* called after clocks and PDs are enabled */
+ int (*probe)(struct snd_sof_dev *sdev);
+ /* used directly by the SOF core */
+ int (*core_kick)(struct snd_sof_dev *sdev);
+ /* called during suspend()/remove() before clocks are disabled */
+ int (*core_shutdown)(struct snd_sof_dev *sdev);
+ /* used directly by the SOF core */
+ int (*core_reset)(struct snd_sof_dev *sdev);
+};
+
+struct imx_memory_info {
+ const char *name;
+ bool reserved;
+};
+
+struct imx_chip_info {
+ struct imx_ipc_info ipc_info;
+ /* does the chip have a reserved memory region for DMA? */
+ bool has_dma_reserved;
+ struct imx_memory_info *memory;
+ struct snd_soc_dai_driver *drv;
+ int num_drv;
+ /* optional */
+ const struct imx_chip_ops *ops;
+};
+
+struct imx_common_data {
+ struct platform_device *ipc_dev;
+ struct imx_dsp_ipc *ipc_handle;
+ /* core may have no clocks */
+ struct clk_bulk_data *clks;
+ int clk_num;
+ /* core may have no PDs */
+ struct dev_pm_domain_list *pd_list;
+ void *chip_pdata;
+};
+
+static inline int imx_chip_core_kick(struct snd_sof_dev *sdev)
+{
+ const struct imx_chip_ops *ops = get_chip_info(sdev)->ops;
+
+ if (ops && ops->core_kick)
+ return ops->core_kick(sdev);
+
+ return 0;
+}
+
+static inline int imx_chip_core_shutdown(struct snd_sof_dev *sdev)
+{
+ const struct imx_chip_ops *ops = get_chip_info(sdev)->ops;
+
+ if (ops && ops->core_shutdown)
+ return ops->core_shutdown(sdev);
+
+ return 0;
+}
+
+static inline int imx_chip_core_reset(struct snd_sof_dev *sdev)
+{
+ const struct imx_chip_ops *ops = get_chip_info(sdev)->ops;
+
+ if (ops && ops->core_reset)
+ return ops->core_reset(sdev);
+
+ return 0;
+}
+
+static inline int imx_chip_probe(struct snd_sof_dev *sdev)
+{
+ const struct imx_chip_ops *ops = get_chip_info(sdev)->ops;
+
+ if (ops && ops->probe)
+ return ops->probe(sdev);
+
+ return 0;
+}
+
void imx8_get_registers(struct snd_sof_dev *sdev,
struct sof_ipc_dsp_oops_xtensa *xoops,
struct sof_ipc_panic_info *panic_info,
@@ -15,4 +164,6 @@ void imx8_get_registers(struct snd_sof_dev *sdev,
void imx8_dump(struct snd_sof_dev *sdev, u32 flags);
+extern const struct snd_sof_dsp_ops sof_imx_ops;
+
#endif