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/*
 * omap-dmic.h  --  OMAP Digital Microphone Controller
 *
 * 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 _OMAP_DMIC_H
#define _OMAP_DMIC_H

#define OMAP_DMIC_REVISION_REG		0x00
#define OMAP_DMIC_SYSCONFIG_REG		0x10
#define OMAP_DMIC_IRQSTATUS_RAW_REG	0x24
#define OMAP_DMIC_IRQSTATUS_REG		0x28
#define OMAP_DMIC_IRQENABLE_SET_REG	0x2C
#define OMAP_DMIC_IRQENABLE_CLR_REG	0x30
#define OMAP_DMIC_IRQWAKE_EN_REG	0x34
#define OMAP_DMIC_DMAENABLE_SET_REG	0x38
#define OMAP_DMIC_DMAENABLE_CLR_REG	0x3C
#define OMAP_DMIC_DMAWAKEEN_REG		0x40
#define OMAP_DMIC_CTRL_REG		0x44
#define OMAP_DMIC_DATA_REG		0x48
#define OMAP_DMIC_FIFO_CTRL_REG		0x4C
#define OMAP_DMIC_FIFO_DMIC1R_DATA_REG	0x50
#define OMAP_DMIC_FIFO_DMIC1L_DATA_REG	0x54
#define OMAP_DMIC_FIFO_DMIC2R_DATA_REG	0x58
#define OMAP_DMIC_FIFO_DMIC2L_DATA_REG	0x5C
#define OMAP_DMIC_FIFO_DMIC3R_DATA_REG	0x60
#define OMAP_DMIC_FIFO_DMIC3L_DATA_REG	0x64

/* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR bit fields */
#define OMAP_DMIC_IRQ			(1 << 0)
#define OMAP_DMIC_IRQ_FULL		(1 << 1)
#define OMAP_DMIC_IRQ_ALMST_EMPTY	(1 << 2)
#define OMAP_DMIC_IRQ_EMPTY		(1 << 3)
#define OMAP_DMIC_IRQ_MASK		0x07

/* DMIC_DMAENABLE bit fields */
#define OMAP_DMIC_DMA_ENABLE		0x1

/* DMIC_CTRL bit fields */
#define OMAP_DMIC_UP1_ENABLE		(1 << 0)
#define OMAP_DMIC_UP2_ENABLE		(1 << 1)
#define OMAP_DMIC_UP3_ENABLE		(1 << 2)
#define OMAP_DMIC_UP_ENABLE_MASK	0x7
#define OMAP_DMIC_FORMAT		(1 << 3)
#define OMAP_DMIC_POLAR1		(1 << 4)
#define OMAP_DMIC_POLAR2		(1 << 5)
#define OMAP_DMIC_POLAR3		(1 << 6)
#define OMAP_DMIC_POLAR_MASK		(0x7 << 4)
#define OMAP_DMIC_CLK_DIV(x)		(((x) & 0x7) << 7)
#define OMAP_DMIC_CLK_DIV_MASK		(0x7 << 7)
#define	OMAP_DMIC_RESET			(1 << 10)

#define OMAP_DMICOUTFORMAT_LJUST	(0 << 3)
#define OMAP_DMICOUTFORMAT_RJUST	(1 << 3)

/* DMIC_FIFO_CTRL bit fields */
#define OMAP_DMIC_THRES_MAX		0xF

enum omap_dmic_clk {
	OMAP_DMIC_SYSCLK_PAD_CLKS,		/* PAD_CLKS */
	OMAP_DMIC_SYSCLK_SLIMBLUS_CLKS,		/* SLIMBUS_CLK */
	OMAP_DMIC_SYSCLK_SYNC_MUX_CLKS,		/* DMIC_SYNC_MUX_CLK */
	OMAP_DMIC_ABE_DMIC_CLK,			/* abe_dmic_clk */
};

#endif
back mechanism cancellation test. Either cancelling the fallback mechanism or the custom fallback mechanism triggers a crash. mcgrof@piggy ~/linux-next/tools/testing/selftests/firmware (git::20170111-fw-fixes)$ sudo ./fw_fallback.sh ./fw_fallback.sh: timeout works ./fw_fallback.sh: firmware comparison works ./fw_fallback.sh: fallback mechanism works [ this then sits here when it is trying the cancellation test ] Kernel log: test_firmware: loading 'nope-test-firmware.bin' misc test_firmware: Direct firmware load for nope-test-firmware.bin failed with error -2 misc test_firmware: Falling back to user helper BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: _request_firmware+0xa27/0xad0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: test_firmware(E) ... etc ... CPU: 1 PID: 1396 Comm: fw_fallback.sh Tainted: G W E 4.10.0-rc3-next-20170111+ #30 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014 task: ffff9740b27f4340 task.stack: ffffbb15c0bc8000 RIP: 0010:_request_firmware+0xa27/0xad0 RSP: 0018:ffffbb15c0bcbd10 EFLAGS: 00010246 RAX: 00000000fffffffe RBX: ffff9740afe5aa80 RCX: 0000000000000000 RDX: ffff9740b27f4340 RSI: 0000000000000283 RDI: 0000000000000000 RBP: ffffbb15c0bcbd90 R08: ffffbb15c0bcbcd8 R09: 0000000000000000 R10: 0000000894a0d4b1 R11: 000000000000008c R12: ffffffffc0312480 R13: 0000000000000005 R14: ffff9740b1c32400 R15: 00000000000003e8 FS: 00007f8604422700(0000) GS:ffff9740bfc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000012164c000 CR4: 00000000000006e0 Call Trace: request_firmware+0x37/0x50 trigger_request_store+0x79/0xd0 [test_firmware] dev_attr_store+0x18/0x30 sysfs_kf_write+0x37/0x40 kernfs_fop_write+0x110/0x1a0 __vfs_write+0x37/0x160 ? _cond_resched+0x1a/0x50 vfs_write+0xb5/0x1a0 SyS_write+0x55/0xc0 ? trace_do_page_fault+0x37/0xd0 entry_SYSCALL_64_fastpath+0x1e/0xad RIP: 0033:0x7f8603f49620 RSP: 002b:00007fff6287b788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000055c307b110a0 RCX: 00007f8603f49620 RDX: 0000000000000016 RSI: 000055c3084d8a90 RDI: 0000000000000001 RBP: 0000000000000016 R08: 000000000000c0ff R09: 000055c3084d6336 R10: 000055c307b108b0 R11: 0000000000000246 R12: 000055c307b13c80 R13: 000055c3084d6320 R14: 0000000000000000 R15: 00007fff6287b950 Code: 9f 64 84 e8 9c 61 fe ff b8 f4 ff ff ff e9 6b f9 ff ff 48 c7 c7 40 6b 8d 84 89 45 a8 e8 43 84 18 00 49 8b be 00 03 00 00 8b 45 a8 <83> 7f 38 02 74 08 e8 6e ec ff ff 8b 45 a8 49 c7 86 00 03 00 00 RIP: _request_firmware+0xa27/0xad0 RSP: ffffbb15c0bcbd10 CR2: 0000000000000038 ---[ end trace 6d94ac339c133e6f ]--- Fixes: 5d47ec02c37e ("firmware: Correct handling of fw_state_wait() return value") Reported-and-Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reported-and-Tested-by: Patrick Bruenn <p.bruenn@beckhoff.com> Reported-by: Chris Wilson <chris@chris-wilson.co.uk> CC: <stable@vger.kernel.org> [3.10+] Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/core/seq/seq_queue.h')