summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/mcbsp.c
blob: a5c0f0435cd6725423ededd8b47247d000773916 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/*
 * linux/arch/arm/mach-omap2/mcbsp.c
 *
 * Copyright (C) 2008 Instituto Nokia de Tecnologia
 * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
 *
 * 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.
 *
 * Multichannel mode not supported.
 */
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>

#include <mach/irqs.h>
#include <mach/dma.h>
#include <mach/irqs.h>
#include <mach/mux.h>
#include <mach/cpu.h>
#include <mach/mcbsp.h>

static void omap2_mcbsp2_mux_setup(void)
{
	omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
	omap_cfg_reg(R14_24XX_MCBSP2_FSX);
	omap_cfg_reg(W15_24XX_MCBSP2_DR);
	omap_cfg_reg(V15_24XX_MCBSP2_DX);
	omap_cfg_reg(V14_24XX_GPIO117);
	/*
	 * TODO: Need to add MUX settings for OMAP 2430 SDP
	 */
}

static void omap2_mcbsp_request(unsigned int id)
{
	if (cpu_is_omap2420() && (id == OMAP_MCBSP2))
		omap2_mcbsp2_mux_setup();
}

static struct omap_mcbsp_ops omap2_mcbsp_ops = {
	.request	= omap2_mcbsp_request,
};

#ifdef CONFIG_ARCH_OMAP2420
static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
	{
		.phys_base	= OMAP24XX_MCBSP1_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP1_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP1_TX,
		.rx_irq		= INT_24XX_MCBSP1_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP1_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP24XX_MCBSP2_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP2_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP2_TX,
		.rx_irq		= INT_24XX_MCBSP2_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP2_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
};
#define OMAP2420_MCBSP_PDATA_SZ		ARRAY_SIZE(omap2420_mcbsp_pdata)
#else
#define omap2420_mcbsp_pdata		NULL
#define OMAP2420_MCBSP_PDATA_SZ		0
#endif

#ifdef CONFIG_ARCH_OMAP2430
static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
	{
		.phys_base	= OMAP24XX_MCBSP1_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP1_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP1_TX,
		.rx_irq		= INT_24XX_MCBSP1_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP1_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP24XX_MCBSP2_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP2_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP2_TX,
		.rx_irq		= INT_24XX_MCBSP2_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP2_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP2430_MCBSP3_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP3_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP3_TX,
		.rx_irq		= INT_24XX_MCBSP3_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP3_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP2430_MCBSP4_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP4_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP4_TX,
		.rx_irq		= INT_24XX_MCBSP4_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP4_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP2430_MCBSP5_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP5_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP5_TX,
		.rx_irq		= INT_24XX_MCBSP5_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP5_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
};
#define OMAP2430_MCBSP_PDATA_SZ		ARRAY_SIZE(omap2430_mcbsp_pdata)
#else
#define omap2430_mcbsp_pdata		NULL
#define OMAP2430_MCBSP_PDATA_SZ		0
#endif

#ifdef CONFIG_ARCH_OMAP34XX
static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
	{
		.phys_base	= OMAP34XX_MCBSP1_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP1_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP1_TX,
		.rx_irq		= INT_24XX_MCBSP1_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP1_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP34XX_MCBSP2_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP2_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP2_TX,
		.rx_irq		= INT_24XX_MCBSP2_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP2_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP34XX_MCBSP3_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP3_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP3_TX,
		.rx_irq		= INT_24XX_MCBSP3_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP3_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP34XX_MCBSP4_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP4_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP4_TX,
		.rx_irq		= INT_24XX_MCBSP4_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP4_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
	{
		.phys_base	= OMAP34XX_MCBSP5_BASE,
		.dma_rx_sync	= OMAP24XX_DMA_MCBSP5_RX,
		.dma_tx_sync	= OMAP24XX_DMA_MCBSP5_TX,
		.rx_irq		= INT_24XX_MCBSP5_IRQ_RX,
		.tx_irq		= INT_24XX_MCBSP5_IRQ_TX,
		.ops		= &omap2_mcbsp_ops,
	},
};
#define OMAP34XX_MCBSP_PDATA_SZ		ARRAY_SIZE(omap34xx_mcbsp_pdata)
#else
#define omap34xx_mcbsp_pdata		NULL
#define OMAP34XX_MCBSP_PDATA_SZ		0
#endif

static int __init omap2_mcbsp_init(void)
{
	if (cpu_is_omap2420())
		omap_mcbsp_count = OMAP2420_MCBSP_PDATA_SZ;
	if (cpu_is_omap2430())
		omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
	if (cpu_is_omap34xx())
		omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;

	mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
								GFP_KERNEL);
	if (!mcbsp_ptr)
		return -ENOMEM;

	if (cpu_is_omap2420())
		omap_mcbsp_register_board_cfg(omap2420_mcbsp_pdata,
						OMAP2420_MCBSP_PDATA_SZ);
	if (cpu_is_omap2430())
		omap_mcbsp_register_board_cfg(omap2430_mcbsp_pdata,
						OMAP2430_MCBSP_PDATA_SZ);
	if (cpu_is_omap34xx())
		omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
						OMAP34XX_MCBSP_PDATA_SZ);

	return omap_mcbsp_init();
}
arch_initcall(omap2_mcbsp_init);