/* aica.h * Header file for ALSA driver for * Sega Dreamcast Yamaha AICA sound * Copyright Adrian McMenamin * * 2006 * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* SPU memory and register constants etc */ #define G2_FIFO 0xa05f688c #define SPU_MEMORY_BASE 0xA0800000 #define ARM_RESET_REGISTER 0xA0702C00 #define SPU_REGISTER_BASE 0xA0700000 /* AICA channels stuff */ #define AICA_CONTROL_POINT 0xA0810000 #define AICA_CONTROL_CHANNEL_SAMPLE_NUMBER 0xA0810008 #define AICA_CHANNEL0_CONTROL_OFFSET 0x10004 /* Command values */ #define AICA_CMD_KICK 0x80000000 #define AICA_CMD_NONE 0 #define AICA_CMD_START 1 #define AICA_CMD_STOP 2 #define AICA_CMD_VOL 3 /* Sound modes */ #define SM_8BIT 1 #define SM_16BIT 0 #define SM_ADPCM 2 /* Buffer and period size */ #define AICA_BUFFER_SIZE 0x8000 #define AICA_PERIOD_SIZE 0x800 #define AICA_PERIOD_NUMBER 16 #define AICA_CHANNEL0_OFFSET 0x11000 #define AICA_CHANNEL1_OFFSET 0x21000 #define CHANNEL_OFFSET 0x10000 #define AICA_DMA_CHANNEL 5 #define AICA_DMA_MODE 5 #define SND_AICA_DRIVER "AICA" struct aica_channel { uint32_t cmd; /* Command ID */ uint32_t pos; /* Sample position */ uint32_t length; /* Sample length */ uint32_t freq; /* Frequency */ uint32_t vol; /* Volume 0-255 */ uint32_t pan; /* Pan 0-255 */ uint32_t sfmt; /* Sound format */ uint32_t flags; /* Bit flags */ }; struct snd_card_aica { struct work_struct spu_dma_work; struct snd_card *card; struct aica_channel *channel; struct snd_pcm_substream *substream; int clicks; int current_period; struct timer_list timer; int master_volume; int dma_check; }; next.git/log/tools/testing/nvdimm'>
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authorDexuan Cui <decui@microsoft.com>2017-01-28 11:46:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 10:59:48 +0100
commit433e19cf33d34bb6751c874a9c00980552fe508c (patch)
treece6547ef2987fbb289fa28f03536328a42781651 /drivers/usb/dwc3/ulpi.c
parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3/ulpi.c')