diff options
| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-03 15:28:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-03 15:28:42 -0700 |
| commit | 5364abc57993b3bf60c41923cb98a8f1a594e749 (patch) | |
| tree | f5ba0ea02e99872196cba7f3a646649e0ad09a1b /arch/arc/include/asm/dsp.h | |
| parent | Merge tag 'arm-dt-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff) | |
| parent | ARC: allow userspace DSP applications to use AGU extensions (diff) | |
| download | linux-dev-5364abc57993b3bf60c41923cb98a8f1a594e749.tar.xz linux-dev-5364abc57993b3bf60c41923cb98a8f1a594e749.zip | |
Merge tag 'arc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Support for DSP enabled userspace (save/restore regs)
- Misc other platform fixes
* tag 'arc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: allow userspace DSP applications to use AGU extensions
ARC: add support for DSP-enabled userspace applications
ARC: handle DSP presence in HW
ARC: add helpers to sanitize config options
ARC: [plat-axs10x]: PGU: remove unused encoder-slave property
Diffstat (limited to 'arch/arc/include/asm/dsp.h')
| -rw-r--r-- | arch/arc/include/asm/dsp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arc/include/asm/dsp.h b/arch/arc/include/asm/dsp.h new file mode 100644 index 000000000000..202c78e56704 --- /dev/null +++ b/arch/arc/include/asm/dsp.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com) + * + * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> + */ +#ifndef __ASM_ARC_DSP_H +#define __ASM_ARC_DSP_H + +#ifndef __ASSEMBLY__ + +/* + * DSP-related saved registers - need to be saved only when you are + * scheduled out. + * structure fields name must correspond to aux register defenitions for + * automatic offset calculation in DSP_AUX_SAVE_RESTORE macros + */ +struct dsp_callee_regs { + unsigned long ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_FFT_CTRL; +#ifdef CONFIG_ARC_DSP_AGU_USERSPACE + unsigned long AGU_AP0, AGU_AP1, AGU_AP2, AGU_AP3; + unsigned long AGU_OS0, AGU_OS1; + unsigned long AGU_MOD0, AGU_MOD1, AGU_MOD2, AGU_MOD3; +#endif +}; + +#endif /* !__ASSEMBLY__ */ + +#endif /* __ASM_ARC_DSP_H */ |