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authorTony Lindgren <tony@atomide.com>2006-04-02 12:46:27 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-04-02 12:46:27 -0400
commit120db2cba8e40c562e5a4aea44ede2f360a5de75 (patch)
treef08247e64219571b634faf5a809e8505fb0292f2 /include/asm-arm/arch-omap
parent0dc5e77c46c6b02e8286f17544d93d614c0cb892 (diff)
[ARM] 3455/1: ARM: OMAP: 7/8 Misc updates, take 2
Patch from Tony Lindgren Update misc OMAP core code from linux-omap tree: - McBSP updates by Samuel Ortiz, Andrzej Zaborowski - Whitespace cleanups by Ladislav Michl - Other fixes by various linux-omap developers Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-omap')
-rw-r--r--include/asm-arm/arch-omap/aic23.h4
-rw-r--r--include/asm-arm/arch-omap/dsp.h6
-rw-r--r--include/asm-arm/arch-omap/dsp_common.h13
-rw-r--r--include/asm-arm/arch-omap/gpioexpander.h24
-rw-r--r--include/asm-arm/arch-omap/irda.h36
-rw-r--r--include/asm-arm/arch-omap/irqs.h5
-rw-r--r--include/asm-arm/arch-omap/keypad.h36
-rw-r--r--include/asm-arm/arch-omap/mcbsp.h65
-rw-r--r--include/asm-arm/arch-omap/mcspi.h16
-rw-r--r--include/asm-arm/arch-omap/menelaus.h2
-rw-r--r--include/asm-arm/arch-omap/omap-alsa.h124
11 files changed, 324 insertions, 7 deletions
diff --git a/include/asm-arm/arch-omap/aic23.h b/include/asm-arm/arch-omap/aic23.h
index 590bac25b7c4..6513065941d0 100644
--- a/include/asm-arm/arch-omap/aic23.h
+++ b/include/asm-arm/arch-omap/aic23.h
@@ -57,6 +57,7 @@
57#define LHV_MIN 0x0000 57#define LHV_MIN 0x0000
58 58
59// Analog audio path control register 59// Analog audio path control register
60#define STA_REG(x) ((x)<<6)
60#define STE_ENABLED 0x0020 61#define STE_ENABLED 0x0020
61#define DAC_SELECTED 0x0010 62#define DAC_SELECTED 0x0010
62#define BYPASS_ON 0x0008 63#define BYPASS_ON 0x0008
@@ -109,4 +110,7 @@
109#define TLV320AIC23ID1 (0x1a) // cs low 110#define TLV320AIC23ID1 (0x1a) // cs low
110#define TLV320AIC23ID2 (0x1b) // cs high 111#define TLV320AIC23ID2 (0x1b) // cs high
111 112
113void tlv320aic23_power_up(void);
114void tlv320aic23_power_down(void);
115
112#endif /* __ASM_ARCH_AIC23_H */ 116#endif /* __ASM_ARCH_AIC23_H */
diff --git a/include/asm-arm/arch-omap/dsp.h b/include/asm-arm/arch-omap/dsp.h
index 57bf4f39ca58..06dad83dd41f 100644
--- a/include/asm-arm/arch-omap/dsp.h
+++ b/include/asm-arm/arch-omap/dsp.h
@@ -181,10 +181,16 @@ struct omap_dsp_varinfo {
181#define OMAP_DSP_MBCMD_PM_ENABLE 0x01 181#define OMAP_DSP_MBCMD_PM_ENABLE 0x01
182 182
183#define OMAP_DSP_MBCMD_KFUNC_FBCTL 0x00 183#define OMAP_DSP_MBCMD_KFUNC_FBCTL 0x00
184#define OMAP_DSP_MBCMD_KFUNC_AUDIO_PWR 0x01
184 185
186#define OMAP_DSP_MBCMD_FBCTL_UPD 0x0000
185#define OMAP_DSP_MBCMD_FBCTL_ENABLE 0x0002 187#define OMAP_DSP_MBCMD_FBCTL_ENABLE 0x0002
186#define OMAP_DSP_MBCMD_FBCTL_DISABLE 0x0003 188#define OMAP_DSP_MBCMD_FBCTL_DISABLE 0x0003
187 189
190#define OMAP_DSP_MBCMD_AUDIO_PWR_UP 0x0000
191#define OMAP_DSP_MBCMD_AUDIO_PWR_DOWN1 0x0001
192#define OMAP_DSP_MBCMD_AUDIO_PWR_DOWN2 0x0002
193
188#define OMAP_DSP_MBCMD_TDEL_SAFE 0x0000 194#define OMAP_DSP_MBCMD_TDEL_SAFE 0x0000
189#define OMAP_DSP_MBCMD_TDEL_KILL 0x0001 195#define OMAP_DSP_MBCMD_TDEL_KILL 0x0001
190 196
diff --git a/include/asm-arm/arch-omap/dsp_common.h b/include/asm-arm/arch-omap/dsp_common.h
index 4fcce6944056..16a459dfa714 100644
--- a/include/asm-arm/arch-omap/dsp_common.h
+++ b/include/asm-arm/arch-omap/dsp_common.h
@@ -27,11 +27,12 @@
27#ifndef ASM_ARCH_DSP_COMMON_H 27#ifndef ASM_ARCH_DSP_COMMON_H
28#define ASM_ARCH_DSP_COMMON_H 28#define ASM_ARCH_DSP_COMMON_H
29 29
30void omap_dsp_pm_suspend(void); 30extern void omap_dsp_request_mpui(void);
31void omap_dsp_pm_resume(void); 31extern void omap_dsp_release_mpui(void);
32void omap_dsp_request_mpui(void); 32extern int omap_dsp_request_mem(void);
33void omap_dsp_release_mpui(void); 33extern int omap_dsp_release_mem(void);
34int omap_dsp_request_mem(void); 34
35int omap_dsp_release_mem(void); 35extern void (*omap_dsp_audio_pwr_up_request)(int stage);
36extern void (*omap_dsp_audio_pwr_down_request)(int stage);
36 37
37#endif /* ASM_ARCH_DSP_COMMON_H */ 38#endif /* ASM_ARCH_DSP_COMMON_H */
diff --git a/include/asm-arm/arch-omap/gpioexpander.h b/include/asm-arm/arch-omap/gpioexpander.h
new file mode 100644
index 000000000000..7a43b0a912e4
--- /dev/null
+++ b/include/asm-arm/arch-omap/gpioexpander.h
@@ -0,0 +1,24 @@
1/*
2 * linux/include/asm-arm/arch-omap/gpioexpander.h
3 *
4 *
5 * Copyright (C) 2004 Texas Instruments, Inc.
6 *
7 * This package is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
12 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
13 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
14 */
15
16#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
17#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
18
19/* Function Prototypes for GPIO Expander functions */
20
21int read_gpio_expa(u8 *, int);
22int write_gpio_expa(u8 , int);
23
24#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
diff --git a/include/asm-arm/arch-omap/irda.h b/include/asm-arm/arch-omap/irda.h
new file mode 100644
index 000000000000..805ae3575e44
--- /dev/null
+++ b/include/asm-arm/arch-omap/irda.h
@@ -0,0 +1,36 @@
1/*
2 * linux/include/asm-arm/arch-omap/irda.h
3 *
4 * Copyright (C) 2005-2006 Komal Shah <komal_shah802003@yahoo.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#ifndef ASMARM_ARCH_IRDA_H
11#define ASMARM_ARCH_IRDA_H
12
13/* board specific transceiver capabilities */
14
15#define IR_SEL 1 /* Selects IrDA */
16#define IR_SIRMODE 2
17#define IR_FIRMODE 4
18#define IR_MIRMODE 8
19
20struct omap_irda_config {
21 int transceiver_cap;
22 int (*transceiver_mode)(struct device *dev, int mode);
23 int (*select_irda)(struct device *dev, int state);
24 /* Very specific to the needs of some platforms (h3,h4)
25 * having calls which can sleep in irda_set_speed.
26 */
27 struct work_struct gpio_expa;
28 int rx_channel;
29 int tx_channel;
30 unsigned long dest_start;
31 unsigned long src_start;
32 int tx_trigger;
33 int rx_trigger;
34};
35
36#endif
diff --git a/include/asm-arm/arch-omap/irqs.h b/include/asm-arm/arch-omap/irqs.h
index 4ffce1d77759..42098d99f302 100644
--- a/include/asm-arm/arch-omap/irqs.h
+++ b/include/asm-arm/arch-omap/irqs.h
@@ -242,6 +242,11 @@
242#define INT_24XX_GPIO_BANK2 30 242#define INT_24XX_GPIO_BANK2 30
243#define INT_24XX_GPIO_BANK3 31 243#define INT_24XX_GPIO_BANK3 31
244#define INT_24XX_GPIO_BANK4 32 244#define INT_24XX_GPIO_BANK4 32
245#define INT_24XX_MCBSP1_IRQ_TX 59
246#define INT_24XX_MCBSP1_IRQ_RX 60
247#define INT_24XX_MCBSP2_IRQ_TX 62
248#define INT_24XX_MCBSP2_IRQ_RX 63
249#define INT_24XX_UART3_IRQ 74
245 250
246/* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and 251/* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and
247 * 16 MPUIO lines */ 252 * 16 MPUIO lines */
diff --git a/include/asm-arm/arch-omap/keypad.h b/include/asm-arm/arch-omap/keypad.h
new file mode 100644
index 000000000000..8a023a984acb
--- /dev/null
+++ b/include/asm-arm/arch-omap/keypad.h
@@ -0,0 +1,36 @@
1/*
2 * linux/include/asm-arm/arch-omap/keypad.h
3 *
4 * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#ifndef ASMARM_ARCH_KEYPAD_H
11#define ASMARM_ARCH_KEYPAD_H
12
13struct omap_kp_platform_data {
14 int rows;
15 int cols;
16 int *keymap;
17 unsigned int rep:1;
18 /* specific to OMAP242x*/
19 unsigned int *row_gpios;
20 unsigned int *col_gpios;
21};
22
23/* Group (0..3) -- when multiple keys are pressed, only the
24 * keys pressed in the same group are considered as pressed. This is
25 * in order to workaround certain crappy HW designs that produce ghost
26 * keypresses. */
27#define GROUP_0 (0 << 16)
28#define GROUP_1 (1 << 16)
29#define GROUP_2 (2 << 16)
30#define GROUP_3 (3 << 16)
31#define GROUP_MASK GROUP_3
32
33#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
34
35#endif
36
diff --git a/include/asm-arm/arch-omap/mcbsp.h b/include/asm-arm/arch-omap/mcbsp.h
index e79d98ab2ab6..ed0dde4f7219 100644
--- a/include/asm-arm/arch-omap/mcbsp.h
+++ b/include/asm-arm/arch-omap/mcbsp.h
@@ -37,6 +37,11 @@
37#define OMAP1610_MCBSP2_BASE 0xfffb1000 37#define OMAP1610_MCBSP2_BASE 0xfffb1000
38#define OMAP1610_MCBSP3_BASE 0xe1017000 38#define OMAP1610_MCBSP3_BASE 0xe1017000
39 39
40#define OMAP24XX_MCBSP1_BASE 0x48074000
41#define OMAP24XX_MCBSP2_BASE 0x48076000
42
43#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
44
40#define OMAP_MCBSP_REG_DRR2 0x00 45#define OMAP_MCBSP_REG_DRR2 0x00
41#define OMAP_MCBSP_REG_DRR1 0x02 46#define OMAP_MCBSP_REG_DRR1 0x02
42#define OMAP_MCBSP_REG_DXR2 0x04 47#define OMAP_MCBSP_REG_DXR2 0x04
@@ -71,9 +76,62 @@
71 76
72#define OMAP_MAX_MCBSP_COUNT 3 77#define OMAP_MAX_MCBSP_COUNT 3
73 78
79#define AUDIO_MCBSP_DATAWRITE (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1)
80#define AUDIO_MCBSP_DATAREAD (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1)
81
82#define AUDIO_MCBSP OMAP_MCBSP1
83#define AUDIO_DMA_TX OMAP_DMA_MCBSP1_TX
84#define AUDIO_DMA_RX OMAP_DMA_MCBSP1_RX
85
86#elif defined(CONFIG_ARCH_OMAP24XX)
87
88#define OMAP_MCBSP_REG_DRR2 0x00
89#define OMAP_MCBSP_REG_DRR1 0x04
90#define OMAP_MCBSP_REG_DXR2 0x08
91#define OMAP_MCBSP_REG_DXR1 0x0C
92#define OMAP_MCBSP_REG_SPCR2 0x10
93#define OMAP_MCBSP_REG_SPCR1 0x14
94#define OMAP_MCBSP_REG_RCR2 0x18
95#define OMAP_MCBSP_REG_RCR1 0x1C
96#define OMAP_MCBSP_REG_XCR2 0x20
97#define OMAP_MCBSP_REG_XCR1 0x24
98#define OMAP_MCBSP_REG_SRGR2 0x28
99#define OMAP_MCBSP_REG_SRGR1 0x2C
100#define OMAP_MCBSP_REG_MCR2 0x30
101#define OMAP_MCBSP_REG_MCR1 0x34
102#define OMAP_MCBSP_REG_RCERA 0x38
103#define OMAP_MCBSP_REG_RCERB 0x3C
104#define OMAP_MCBSP_REG_XCERA 0x40
105#define OMAP_MCBSP_REG_XCERB 0x44
106#define OMAP_MCBSP_REG_PCR0 0x48
107#define OMAP_MCBSP_REG_RCERC 0x4C
108#define OMAP_MCBSP_REG_RCERD 0x50
109#define OMAP_MCBSP_REG_XCERC 0x54
110#define OMAP_MCBSP_REG_XCERD 0x58
111#define OMAP_MCBSP_REG_RCERE 0x5C
112#define OMAP_MCBSP_REG_RCERF 0x60
113#define OMAP_MCBSP_REG_XCERE 0x64
114#define OMAP_MCBSP_REG_XCERF 0x68
115#define OMAP_MCBSP_REG_RCERG 0x6C
116#define OMAP_MCBSP_REG_RCERH 0x70
117#define OMAP_MCBSP_REG_XCERG 0x74
118#define OMAP_MCBSP_REG_XCERH 0x78
119
120#define OMAP_MAX_MCBSP_COUNT 2
121
122#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
123#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
124
125#define AUDIO_MCBSP OMAP_MCBSP2
126#define AUDIO_DMA_TX OMAP24XX_DMA_MCBSP2_TX
127#define AUDIO_DMA_RX OMAP24XX_DMA_MCBSP2_RX
128
129#endif
130
74#define OMAP_MCBSP_READ(base, reg) __raw_readw((base) + OMAP_MCBSP_REG_##reg) 131#define OMAP_MCBSP_READ(base, reg) __raw_readw((base) + OMAP_MCBSP_REG_##reg)
75#define OMAP_MCBSP_WRITE(base, reg, val) __raw_writew((val), (base) + OMAP_MCBSP_REG_##reg) 132#define OMAP_MCBSP_WRITE(base, reg, val) __raw_writew((val), (base) + OMAP_MCBSP_REG_##reg)
76 133
134
77/************************** McBSP SPCR1 bit definitions ***********************/ 135/************************** McBSP SPCR1 bit definitions ***********************/
78#define RRST 0x0001 136#define RRST 0x0001
79#define RRDY 0x0002 137#define RRDY 0x0002
@@ -195,6 +253,10 @@ typedef enum {
195 OMAP_MCBSP3, 253 OMAP_MCBSP3,
196} omap_mcbsp_id; 254} omap_mcbsp_id;
197 255
256typedef int __bitwise omap_mcbsp_io_type_t;
257#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1)
258#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2)
259
198typedef enum { 260typedef enum {
199 OMAP_MCBSP_WORD_8 = 0, 261 OMAP_MCBSP_WORD_8 = 0,
200 OMAP_MCBSP_WORD_12, 262 OMAP_MCBSP_WORD_12,
@@ -246,6 +308,9 @@ u32 omap_mcbsp_recv_word(unsigned int id);
246 308
247int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); 309int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
248int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length); 310int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
311int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word);
312int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word);
313
249 314
250/* SPI specific API */ 315/* SPI specific API */
251void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg); 316void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg);
diff --git a/include/asm-arm/arch-omap/mcspi.h b/include/asm-arm/arch-omap/mcspi.h
new file mode 100644
index 000000000000..9e7f40a88e1b
--- /dev/null
+++ b/include/asm-arm/arch-omap/mcspi.h
@@ -0,0 +1,16 @@
1#ifndef _OMAP2_MCSPI_H
2#define _OMAP2_MCSPI_H
3
4struct omap2_mcspi_platform_config {
5 unsigned long base;
6 unsigned short num_cs;
7};
8
9struct omap2_mcspi_device_config {
10 unsigned turbo_mode:1;
11
12 /* Do we want one channel enabled at the same time? */
13 unsigned single_channel:1;
14};
15
16#endif
diff --git a/include/asm-arm/arch-omap/menelaus.h b/include/asm-arm/arch-omap/menelaus.h
index 46be8b8d6346..88cd4c87f0de 100644
--- a/include/asm-arm/arch-omap/menelaus.h
+++ b/include/asm-arm/arch-omap/menelaus.h
@@ -7,7 +7,7 @@
7#ifndef __ASM_ARCH_MENELAUS_H 7#ifndef __ASM_ARCH_MENELAUS_H
8#define __ASM_ARCH_MENELAUS_H 8#define __ASM_ARCH_MENELAUS_H
9 9
10extern void menelaus_mmc_register(void (*callback)(u8 card_mask), 10extern void menelaus_mmc_register(void (*callback)(unsigned long data, u8 card_mask),
11 unsigned long data); 11 unsigned long data);
12extern void menelaus_mmc_remove(void); 12extern void menelaus_mmc_remove(void);
13extern void menelaus_mmc_opendrain(int enable); 13extern void menelaus_mmc_opendrain(int enable);
diff --git a/include/asm-arm/arch-omap/omap-alsa.h b/include/asm-arm/arch-omap/omap-alsa.h
new file mode 100644
index 000000000000..df4695474e3d
--- /dev/null
+++ b/include/asm-arm/arch-omap/omap-alsa.h
@@ -0,0 +1,124 @@
1/*
2 * linux/include/asm-arm/arch-omap/omap-alsa.h
3 *
4 * Alsa Driver for AIC23 and TSC2101 codecs on OMAP platform boards.
5 *
6 * Copyright (C) 2006 Mika Laitio <lamikr@cc.jyu.fi>
7 *
8 * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil
9 * Written by Daniel Petrini, David Cohen, Anderson Briglia
10 * {daniel.petrini, david.cohen, anderson.briglia}@indt.org.br
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
20 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * You should have received a copy of the GNU General Public License along
29 * with this program; if not, write to the Free Software Foundation, Inc.,
30 * 675 Mass Ave, Cambridge, MA 02139, USA.
31 *
32 * History
33 * -------
34 *
35 * 2005/07/25 INdT-10LE Kernel Team - Alsa driver for omap osk,
36 * original version based in sa1100 driver
37 * and omap oss driver.
38 */
39
40#ifndef __OMAP_ALSA_H
41#define __OMAP_ALSA_H
42
43#include <sound/driver.h>
44#include <asm/arch/dma.h>
45#include <sound/core.h>
46#include <sound/pcm.h>
47#include <asm/arch/mcbsp.h>
48#include <linux/platform_device.h>
49
50#define DMA_BUF_SIZE (1024 * 8)
51
52/*
53 * Buffer management for alsa and dma
54 */
55struct audio_stream {
56 char *id; /* identification string */
57 int stream_id; /* numeric identification */
58 int dma_dev; /* dma number of that device */
59 int *lch; /* Chain of channels this stream is linked to */
60 char started; /* to store if the chain was started or not */
61 int dma_q_head; /* DMA Channel Q Head */
62 int dma_q_tail; /* DMA Channel Q Tail */
63 char dma_q_count; /* DMA Channel Q Count */
64 int active:1; /* we are using this stream for transfer now */
65 int period; /* current transfer period */
66 int periods; /* current count of periods registerd in the DMA engine */
67 spinlock_t dma_lock; /* for locking in DMA operations */
68 snd_pcm_substream_t *stream; /* the pcm stream */
69 unsigned linked:1; /* dma channels linked */
70 int offset; /* store start position of the last period in the alsa buffer */
71 int (*hw_start)(void); /* interface to start HW interface, e.g. McBSP */
72 int (*hw_stop)(void); /* interface to stop HW interface, e.g. McBSP */
73};
74
75/*
76 * Alsa card structure for aic23
77 */
78struct snd_card_omap_codec {
79 snd_card_t *card;
80 snd_pcm_t *pcm;
81 long samplerate;
82 struct audio_stream s[2]; /* playback & capture */
83};
84
85/* Codec specific information and function pointers.
86 * Codec (omap-alsa-aic23.c and omap-alsa-tsc2101.c)
87 * are responsible for defining the function pointers.
88 */
89struct omap_alsa_codec_config {
90 char *name;
91 struct omap_mcbsp_reg_cfg *mcbsp_regs_alsa;
92 snd_pcm_hw_constraint_list_t *hw_constraints_rates;
93 snd_pcm_hardware_t *snd_omap_alsa_playback;
94 snd_pcm_hardware_t *snd_omap_alsa_capture;
95 void (*codec_configure_dev)(void);
96 void (*codec_set_samplerate)(long);
97 void (*codec_clock_setup)(void);
98 int (*codec_clock_on)(void);
99 int (*codec_clock_off)(void);
100 int (*get_default_samplerate)(void);
101};
102
103/*********** Mixer function prototypes *************************/
104int snd_omap_mixer(struct snd_card_omap_codec *);
105void snd_omap_init_mixer(void);
106
107#ifdef CONFIG_PM
108void snd_omap_suspend_mixer(void);
109void snd_omap_resume_mixer(void);
110#endif
111
112int snd_omap_alsa_post_probe(struct platform_device *pdev, struct omap_alsa_codec_config *config);
113int snd_omap_alsa_remove(struct platform_device *pdev);
114#ifdef CONFIG_PM
115int snd_omap_alsa_suspend(struct platform_device *pdev, pm_message_t state);
116int snd_omap_alsa_resume(struct platform_device *pdev);
117#else
118#define snd_omap_alsa_suspend NULL
119#define snd_omap_alsa_resume NULL
120#endif
121
122void callback_omap_alsa_sound_dma(void *);
123
124#endif