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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 19:06:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 19:06:58 -0400
commit85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch)
treeedbc09b7945994f78668d218fa02e991c3b3b365 /include/asm-arm/arch-omap/mcbsp.h
parent666484f0250db2e016948d63b3ef33e202e3b8d0 (diff)
parent53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits) [ARM] 5171/1: ep93xx: fix compilation of modules using clocks [ARM] 5133/2: at91sam9g20 defconfig file [ARM] 5130/4: Support for the at91sam9g20 [ARM] 5160/1: IOP3XX: gpio/gpiolib support [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits. [ARM] 5084/1: zylonite: Register AC97 device [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state [ARM] 5144/1: pxaficp_ir: cleanup includes [ARM] pxa: remove pxa_set_cken() [ARM] pxa: allow clk aliases [ARM] Feroceon: don't disable BPU on boot [ARM] Orion: LED support for HP mv2120 [ARM] Orion: add RD88F5181L-FXO support [ARM] Orion: add RD88F5181L-GE support [ARM] Orion: add Netgear WNR854T support [ARM] s3c2410_defconfig: update for current build [ARM] Acer n30: Minor style and indentation fixes. ...
Diffstat (limited to 'include/asm-arm/arch-omap/mcbsp.h')
-rw-r--r--include/asm-arm/arch-omap/mcbsp.h62
1 files changed, 60 insertions, 2 deletions
diff --git a/include/asm-arm/arch-omap/mcbsp.h b/include/asm-arm/arch-omap/mcbsp.h
index c7a0cc1c4e93..26c78f67dc8e 100644
--- a/include/asm-arm/arch-omap/mcbsp.h
+++ b/include/asm-arm/arch-omap/mcbsp.h
@@ -24,7 +24,11 @@
24#ifndef __ASM_ARCH_OMAP_MCBSP_H 24#ifndef __ASM_ARCH_OMAP_MCBSP_H
25#define __ASM_ARCH_OMAP_MCBSP_H 25#define __ASM_ARCH_OMAP_MCBSP_H
26 26
27#include <linux/completion.h>
28#include <linux/spinlock.h>
29
27#include <asm/hardware.h> 30#include <asm/hardware.h>
31#include <asm/arch/clock.h>
28 32
29#define OMAP730_MCBSP1_BASE 0xfffb1000 33#define OMAP730_MCBSP1_BASE 0xfffb1000
30#define OMAP730_MCBSP2_BASE 0xfffb1800 34#define OMAP730_MCBSP2_BASE 0xfffb1800
@@ -40,6 +44,9 @@
40#define OMAP24XX_MCBSP1_BASE 0x48074000 44#define OMAP24XX_MCBSP1_BASE 0x48074000
41#define OMAP24XX_MCBSP2_BASE 0x48076000 45#define OMAP24XX_MCBSP2_BASE 0x48076000
42 46
47#define OMAP34XX_MCBSP1_BASE 0x48074000
48#define OMAP34XX_MCBSP2_BASE 0x49022000
49
43#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730) 50#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
44 51
45#define OMAP_MCBSP_REG_DRR2 0x00 52#define OMAP_MCBSP_REG_DRR2 0x00
@@ -74,7 +81,8 @@
74#define OMAP_MCBSP_REG_XCERG 0x3A 81#define OMAP_MCBSP_REG_XCERG 0x3A
75#define OMAP_MCBSP_REG_XCERH 0x3C 82#define OMAP_MCBSP_REG_XCERH 0x3C
76 83
77#define OMAP_MAX_MCBSP_COUNT 3 84#define OMAP_MAX_MCBSP_COUNT 3
85#define MAX_MCBSP_CLOCKS 3
78 86
79#define AUDIO_MCBSP_DATAWRITE (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1) 87#define AUDIO_MCBSP_DATAWRITE (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1)
80#define AUDIO_MCBSP_DATAREAD (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1) 88#define AUDIO_MCBSP_DATAREAD (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1)
@@ -117,7 +125,8 @@
117#define OMAP_MCBSP_REG_XCERG 0x74 125#define OMAP_MCBSP_REG_XCERG 0x74
118#define OMAP_MCBSP_REG_XCERH 0x78 126#define OMAP_MCBSP_REG_XCERH 0x78
119 127
120#define OMAP_MAX_MCBSP_COUNT 2 128#define OMAP_MAX_MCBSP_COUNT 2
129#define MAX_MCBSP_CLOCKS 2
121 130
122#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1) 131#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
123#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1) 132#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
@@ -298,6 +307,55 @@ struct omap_mcbsp_spi_cfg {
298 omap_mcbsp_word_length word_length; 307 omap_mcbsp_word_length word_length;
299}; 308};
300 309
310/* Platform specific configuration */
311struct omap_mcbsp_ops {
312 void (*request)(unsigned int);
313 void (*free)(unsigned int);
314 int (*check)(unsigned int);
315};
316
317struct omap_mcbsp_platform_data {
318 u32 virt_base;
319 u8 dma_rx_sync, dma_tx_sync;
320 u16 rx_irq, tx_irq;
321 struct omap_mcbsp_ops *ops;
322 char const *clk_name;
323};
324
325struct omap_mcbsp {
326 struct device *dev;
327 u32 io_base;
328 u8 id;
329 u8 free;
330 omap_mcbsp_word_length rx_word_length;
331 omap_mcbsp_word_length tx_word_length;
332
333 omap_mcbsp_io_type_t io_type; /* IRQ or poll */
334 /* IRQ based TX/RX */
335 int rx_irq;
336 int tx_irq;
337
338 /* DMA stuff */
339 u8 dma_rx_sync;
340 short dma_rx_lch;
341 u8 dma_tx_sync;
342 short dma_tx_lch;
343
344 /* Completion queues */
345 struct completion tx_irq_completion;
346 struct completion rx_irq_completion;
347 struct completion tx_dma_completion;
348 struct completion rx_dma_completion;
349
350 /* Protect the field .free, while checking if the mcbsp is in use */
351 spinlock_t lock;
352 struct omap_mcbsp_platform_data *pdata;
353 struct clk *clk;
354};
355
356int omap_mcbsp_init(void);
357void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
358 int size);
301void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config); 359void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
302int omap_mcbsp_request(unsigned int id); 360int omap_mcbsp_request(unsigned int id);
303void omap_mcbsp_free(unsigned int id); 361void omap_mcbsp_free(unsigned int id);