/* * Copyright (C) 2014-2015 Broadcom Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation version 2. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any * kind, whether express or implied; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __CYGNUS_SSP_H__ #define __CYGNUS_SSP_H__ #define CYGNUS_TDM_DAI_MAX_SLOTS 16 #define CYGNUS_MAX_PLAYBACK_PORTS 4 #define CYGNUS_MAX_CAPTURE_PORTS 3 #define CYGNUS_MAX_I2S_PORTS 3 #define CYGNUS_MAX_PORTS CYGNUS_MAX_PLAYBACK_PORTS #define CYGNUS_AUIDO_MAX_NUM_CLKS 3 #define CYGNUS_SSP_FRAMEBITS_DIV 1 #define CYGNUS_SSPMODE_I2S 0 #define CYGNUS_SSPMODE_TDM 1 #define CYGNUS_SSPMODE_UNKNOWN -1 #define CYGNUS_SSP_CLKSRC_PLL 0 /* Max string length of our dt property names */ #define PROP_LEN_MAX 40 struct ringbuf_regs { unsigned rdaddr; unsigned wraddr; unsigned baseaddr; unsigned endaddr; unsigned fmark; /* freemark for play, fullmark for caputure */ unsigned period_bytes; unsigned buf_size; }; #define RINGBUF_REG_PLAYBACK(num) ((struct ringbuf_regs) { \ .rdaddr = SRC_RBUF_ ##num## _RDADDR_OFFSET, \ .wraddr = SRC_RBUF_ ##num## _WRADDR_OFFSET, \ .baseaddr = SRC_RBUF_ ##num## _BASEADDR_OFFSET, \ .endaddr = SRC_RBUF_ ##num## _ENDADDR_OFFSET, \ .fmark = SRC_RBUF_ ##num## _FREE_MARK_OFFSET, \ .period_bytes = 0, \ .buf_size = 0, \ }) #define RINGBUF_REG_CAPTURE(num) ((struct ringbuf_regs) { \ .rdaddr = DST_RBUF_ ##num## _RDADDR_OFFSET, \ .wraddr = DST_RBUF_ ##num## _WRADDR_OFFSET, \ .baseaddr = DST_RBUF_ ##num## _BASEADDR_OFFSET, \ .endaddr = DST_RBUF_ ##num## _ENDADDR_OFFSET, \ .fmark = DST_RBUF_ ##num## _FULL_MARK_OFFSET, \ .period_bytes = 0, \ .buf_size = 0, \ }) enum cygnus_audio_port_type { PORT_TDM, PORT_SPDIF, }; struct cygnus_ssp_regs { u32 i2s_stream_cfg; u32 i2s_cfg; u32 i2s_cap_stream_cfg; u32 i2s_cap_cfg; u32 i2s_mclk_cfg; u32 bf_destch_ctrl; u32 bf_destch_cfg; u32 bf_sourcech_ctrl; u32 bf_sourcech_cfg; u32 bf_sourcech_grp; }; struct cygnus_track_clk { bool cap_en; bool play_en; bool cap_clk_en; bool play_clk_en; }; struct cygnus_aio_port { int portnum; int mode; bool is_slave; int streams_on; /* will be 0 if both capture and play are off */ int fsync_width; int port_type; u32 mclk; u32 lrclk; u32 bit_per_frame; u32 pll_clk_num; struct cygnus_audio *cygaud; struct cygnus_ssp_regs regs; struct ringbuf_regs play_rb_regs; struct ringbuf_regs capture_rb_regs; struct snd_pcm_substream *play_stream; struct snd_pcm_substream *capture_stream; struct cygnus_track_clk clk_trace; }; struct cygnus_audio { struct cygnus_aio_port portinfo[CYGNUS_MAX_PORTS]; int irq_num; void __iomem *audio; struct device *dev; void __iomem *i2s_in; struct clk *audio_clk[CYGNUS_AUIDO_MAX_NUM_CLKS]; int active_ports; unsigned long vco_rate; }; extern int cygnus_ssp_get_mode(struct snd_soc_dai *cpu_dai); extern int cygnus_ssp_add_pll_tweak_controls(struct snd_soc_pcm_runtime *rtd); extern int cygnus_ssp_set_custom_fsync_width(struct snd_soc_dai *cpu_dai, int len); extern int cygnus_soc_platform_register(struct device *dev, struct cygnus_audio *cygaud); extern int cygnus_soc_platform_unregister(struct device *dev); extern int cygnus_ssp_set_custom_fsync_width(struct snd_soc_dai *cpu_dai, int len); #endif ct name='context' onchange='this.form.submit();'>space:mode:
authorJiri Kosina <jkosina@suse.cz>2017-01-27 22:25:52 +0000
committerIngo Molnar <mingo@kernel.org>2017-01-28 09:18:56 +0100
commitbf29bddf0417a4783da3b24e8c9e017ac649326f (patch)
tree54a05a4883b73f80e4e1d8c4b15750aa01c39932 /sound/pci/echoaudio/indigo.c
parent883af14e67e8b8702b5560aa64c888c0cd0bd66c (diff)
x86/efi: Always map the first physical page into the EFI pagetables
Commit: 129766708 ("x86/efi: Only map RAM into EFI page tables if in mixed-mode") stopped creating 1:1 mappings for all RAM, when running in native 64-bit mode. It turns out though that there are 64-bit EFI implementations in the wild (this particular problem has been reported on a Lenovo Yoga 710-11IKB), which still make use of the first physical page for their own private use, even though they explicitly mark it EFI_CONVENTIONAL_MEMORY in the memory map. In case there is no mapping for this particular frame in the EFI pagetables, as soon as firmware tries to make use of it, a triple fault occurs and the system reboots (in case of the Yoga 710-11IKB this is very early during bootup). Fix that by always mapping the first page of physical memory into the EFI pagetables. We're free to hand this page to the BIOS, as trim_bios_range() will reserve the first page and isolate it away from memory allocators anyway. Note that just reverting 129766708 alone is not enough on v4.9-rc1+ to fix the regression on affected hardware, as this commit: ab72a27da ("x86/efi: Consolidate region mapping logic") later made the first physical frame not to be mapped anyway. Reported-by: Hanka Pavlikova <hanka@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bp@suse.de> Cc: Laura Abbott <labbott@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vojtech Pavlik <vojtech@ucw.cz> Cc: Waiman Long <waiman.long@hpe.com> Cc: linux-efi@vger.kernel.org Cc: stable@kernel.org # v4.8+ Fixes: 129766708 ("x86/efi: Only map RAM into EFI page tables if in mixed-mode") Link: http://lkml.kernel.org/r/20170127222552.22336-1-matt@codeblueprint.co.uk [ Tidied up the changelog and the comment. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/pci/echoaudio/indigo.c')