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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-25 00:37:37 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-25 00:37:37 +0400
commitdbf7b5915b39bfff548e4c6a3a753fc291a60e25 (patch)
tree55c457a22aa869d2ab558317877138369ae5f9bb /include/sound/designware_i2s.h
parentd14b7a419a664cd7c1c585c9e7fffee9e9051d53 (diff)
parentc1b623d9e4117d18d244e9b7fb30d2c27aeaf074 (diff)
downloadlinux-dbf7b5915b39bfff548e4c6a3a753fc291a60e25.tar.xz
Merge tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound update from Takashi Iwai: "This is a fairly quiet release in all sound area. Only a little bit of changes in the core side while most of changes are seen in the drivers. HD-audio: - A few new codec additions for Nvidia, Realtek and VIA - Intel Haswell audio support - Support for "phantom" jacks for consistent jack reporting - Major clean-ups in HDMI/DP driver codes - A workaround for inverted digital-mic pins with Realtek codecs - Removal of beep_mode=2 option ASoC: - Added the ability to add and remove DAPM paths dynamically, mostly for reparenting on clock changes - New machine drivers for Marvell Brownstone, ST-Ericsson Ux500 reference platform and ttc-dkp - New CPU drivers for Blackfin BF6xx SPORTs in I2S mode, Marvell MMP, Synopsis Designware I2S controllers, and SPEAr DMA and S/PDIF - New CODEC drivers for Dialog DA732x, ST STA529, ST-Ericsson AB8500, TI Isabelle and Wolfson Microelectronics WM5102 and WM5110 - DAPM fixes for the recent locking changes - Fix for _PRE and _POST widgets (which have been broken for a few releases now) - A couple of minor driver updates Misc - Conversion to new dev_pm_ops in platform and PCI drivers - LTC support and some fixes in PCXHR driver - A few fixes and PM support for ISA OPti9xx and WSS cards - Some TLV code cleanup - Move driver-specific headers from include/sound to local dirs" * tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (212 commits) ASoC: dapm: Fix _PRE and _POST events for DAPM performance improvements ALSA: hda - add dock support for Thinkpad X230 Tablet ALSA: hda - Turn on PIN_OUT from hdmi playback prepare. ASoC imx-audmux: add MX31_AUDMUX_PORT7_SSI_PINS_7 define ASoC: littlemill: Add userspace control of the WM1250 I/O ASoC: wm8994: Update micdet for irqdomain conversion ALSA: hda - make sure alc268 does not OOPS on codec parse ALSA: hda - Add support for Realtek ALC282 ALSA: hda - Fix index number conflicts of phantom jacks ALSA: opti9xx: Fix section mismatch by PM support ALSA: snd-opti9xx: Implement suspend/resume ALSA: hda - Add new GPU codec ID to snd-hda ALSA: hda - Fix driver type of Haswell controller to AZX_DRIVER_SCH ALSA: hda - add Haswell HDMI codec id ALSA: hda - Add DeviceID for Haswell HDA ALSA: wss_lib: Fix resume on Yamaha OPL3-SAx ALSA: wss_lib: fix suspend/resume ALSA: es1938: replace TLV_DB_RANGE_HEAD with DECLARE_TLV_DB_RANGE ALSA: tlv: add DECLARE_TLV_DB_RANGE() ALSA: tlv: add DECLARE_TLV_CONTAINER() ...
Diffstat (limited to 'include/sound/designware_i2s.h')
-rw-r--r--include/sound/designware_i2s.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/sound/designware_i2s.h b/include/sound/designware_i2s.h
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+++ b/include/sound/designware_i2s.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (ST) 2012 Rajeev Kumar (rajeev-dlh.kumar@st.com)
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ *
+ */
+
+#ifndef __SOUND_DESIGNWARE_I2S_H
+#define __SOUND_DESIGNWARE_I2S_H
+
+#include <linux/dmaengine.h>
+#include <linux/types.h>
+
+/*
+ * struct i2s_clk_config_data - represent i2s clk configuration data
+ * @chan_nr: number of channel
+ * @data_width: number of bits per sample (8/16/24/32 bit)
+ * @sample_rate: sampling frequency (8Khz, 16Khz, 32Khz, 44Khz, 48Khz)
+ */
+struct i2s_clk_config_data {
+ int chan_nr;
+ u32 data_width;
+ u32 sample_rate;
+};
+
+struct i2s_platform_data {
+ #define DWC_I2S_PLAY (1 << 0)
+ #define DWC_I2S_RECORD (1 << 1)
+ unsigned int cap;
+ int channel;
+ u32 snd_fmts;
+ u32 snd_rates;
+
+ void *play_dma_data;
+ void *capture_dma_data;
+ bool (*filter)(struct dma_chan *chan, void *slave);
+ int (*i2s_clk_cfg)(struct i2s_clk_config_data *config);
+};
+
+struct i2s_dma_data {
+ void *data;
+ dma_addr_t addr;
+ u32 max_burst;
+ enum dma_slave_buswidth addr_width;
+ bool (*filter)(struct dma_chan *chan, void *slave);
+};
+
+/* I2S DMA registers */
+#define I2S_RXDMA 0x01C0
+#define I2S_TXDMA 0x01C8
+
+#define TWO_CHANNEL_SUPPORT 2 /* up to 2.0 */
+#define FOUR_CHANNEL_SUPPORT 4 /* up to 3.1 */
+#define SIX_CHANNEL_SUPPORT 6 /* up to 5.1 */
+#define EIGHT_CHANNEL_SUPPORT 8 /* up to 7.1 */
+
+#endif /* __SOUND_DESIGNWARE_I2S_H */