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ARM: ep93xx: move platform_data definitions

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Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the ep93xx include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: Axel Lin <axel.lin@gmail.com>
This commit is contained in:
Arnd Bergmann
2012-08-24 15:12:11 +02:00
parent ec2a0833e5
commit a3b2924547
19 changed files with 20 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
include/linux/platform_data/dma-ep93xx.h Normal file
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@@ -0,0 +1,93 @@
#ifndef __ASM_ARCH_DMA_H
#define __ASM_ARCH_DMA_H
#include <linux/types.h>
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
/*
* M2P channels.
*
* Note that these values are also directly used for setting the PPALLOC
* register.
*/
#define EP93XX_DMA_I2S1 0
#define EP93XX_DMA_I2S2 1
#define EP93XX_DMA_AAC1 2
#define EP93XX_DMA_AAC2 3
#define EP93XX_DMA_AAC3 4
#define EP93XX_DMA_I2S3 5
#define EP93XX_DMA_UART1 6
#define EP93XX_DMA_UART2 7
#define EP93XX_DMA_UART3 8
#define EP93XX_DMA_IRDA 9
/* M2M channels */
#define EP93XX_DMA_SSP 10
#define EP93XX_DMA_IDE 11
/**
* struct ep93xx_dma_data - configuration data for the EP93xx dmaengine
* @port: peripheral which is requesting the channel
* @direction: TX/RX channel
* @name: optional name for the channel, this is displayed in /proc/interrupts
*
* This information is passed as private channel parameter in a filter
* function. Note that this is only needed for slave/cyclic channels. For
* memcpy channels %NULL data should be passed.
*/
struct ep93xx_dma_data {
int port;
enum dma_transfer_direction direction;
const char *name;
};
/**
* struct ep93xx_dma_chan_data - platform specific data for a DMA channel
* @name: name of the channel, used for getting the right clock for the channel
* @base: mapped registers
* @irq: interrupt number used by this channel
*/
struct ep93xx_dma_chan_data {
const char *name;
void __iomem *base;
int irq;
};
/**
* struct ep93xx_dma_platform_data - platform data for the dmaengine driver
* @channels: array of channels which are passed to the driver
* @num_channels: number of channels in the array
*
* This structure is passed to the DMA engine driver via platform data. For
* M2P channels, contract is that even channels are for TX and odd for RX.
* There is no requirement for the M2M channels.
*/
struct ep93xx_dma_platform_data {
struct ep93xx_dma_chan_data *channels;
size_t num_channels;
};
static inline bool ep93xx_dma_chan_is_m2p(struct dma_chan *chan)
{
return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-m2p");
}
/**
* ep93xx_dma_chan_direction - returns direction the channel can be used
* @chan: channel
*
* This function can be used in filter functions to find out whether the
* channel supports given DMA direction. Only M2P channels have such
* limitation, for M2M channels the direction is configurable.
*/
static inline enum dma_transfer_direction
ep93xx_dma_chan_direction(struct dma_chan *chan)
{
if (!ep93xx_dma_chan_is_m2p(chan))
return DMA_NONE;
/* even channels are for TX, odd for RX */
return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
}
#endif /* __ASM_ARCH_DMA_H */

35
include/linux/platform_data/keypad-ep93xx.h Normal file
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@@ -0,0 +1,35 @@
/*
* arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
*/
#ifndef __ASM_ARCH_EP93XX_KEYPAD_H
#define __ASM_ARCH_EP93XX_KEYPAD_H
struct matrix_keymap_data;
/* flags for the ep93xx_keypad driver */
#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
#define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */
#define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */
#define EP93XX_KEYPAD_KDIV (1<<4) /* 1/4 clock or 1/16 clock */
#define EP93XX_KEYPAD_AUTOREPEAT (1<<5) /* enable key autorepeat */
/**
* struct ep93xx_keypad_platform_data - platform specific device structure
* @keymap_data: pointer to &matrix_keymap_data
* @debounce: debounce start count; terminal count is 0xff
* @prescale: row/column counter pre-scaler load value
* @flags: see above
*/
struct ep93xx_keypad_platform_data {
struct matrix_keymap_data *keymap_data;
unsigned int debounce;
unsigned int prescale;
unsigned int flags;
};
#define EP93XX_MATRIX_ROWS (8)
#define EP93XX_MATRIX_COLS (8)
#endif /* __ASM_ARCH_EP93XX_KEYPAD_H */

29
include/linux/platform_data/spi-ep93xx.h Normal file
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@@ -0,0 +1,29 @@
#ifndef __ASM_MACH_EP93XX_SPI_H
#define __ASM_MACH_EP93XX_SPI_H
struct spi_device;
/**
* struct ep93xx_spi_info - EP93xx specific SPI descriptor
* @num_chipselect: number of chip selects on this board, must be
* at least one
* @use_dma: use DMA for the transfers
*/
struct ep93xx_spi_info {
int num_chipselect;
bool use_dma;
};
/**
* struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
* @setup: setup the chip select mechanism
* @cleanup: cleanup the chip select mechanism
* @cs_control: control the device chip select
*/
struct ep93xx_spi_chip_ops {
int (*setup)(struct spi_device *spi);
void (*cleanup)(struct spi_device *spi);
void (*cs_control)(struct spi_device *spi, int value);
};
#endif /* __ASM_MACH_EP93XX_SPI_H */

56
include/linux/platform_data/video-ep93xx.h Normal file
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@@ -0,0 +1,56 @@
/*
* arch/arm/mach-ep93xx/include/mach/fb.h
*/
#ifndef __ASM_ARCH_EP93XXFB_H
#define __ASM_ARCH_EP93XXFB_H
struct platform_device;
struct fb_videomode;
struct fb_info;
#define EP93XXFB_USE_MODEDB 0
/* VideoAttributes flags */
#define EP93XXFB_STATE_MACHINE_ENABLE (1 << 0)
#define EP93XXFB_PIXEL_CLOCK_ENABLE (1 << 1)
#define EP93XXFB_VSYNC_ENABLE (1 << 2)
#define EP93XXFB_PIXEL_DATA_ENABLE (1 << 3)
#define EP93XXFB_COMPOSITE_SYNC (1 << 4)
#define EP93XXFB_SYNC_VERT_HIGH (1 << 5)
#define EP93XXFB_SYNC_HORIZ_HIGH (1 << 6)
#define EP93XXFB_SYNC_BLANK_HIGH (1 << 7)
#define EP93XXFB_PCLK_FALLING (1 << 8)
#define EP93XXFB_ENABLE_AC (1 << 9)
#define EP93XXFB_ENABLE_LCD (1 << 10)
#define EP93XXFB_ENABLE_CCIR (1 << 12)
#define EP93XXFB_USE_PARALLEL_INTERFACE (1 << 13)
#define EP93XXFB_ENABLE_INTERRUPT (1 << 14)
#define EP93XXFB_USB_INTERLACE (1 << 16)
#define EP93XXFB_USE_EQUALIZATION (1 << 17)
#define EP93XXFB_USE_DOUBLE_HORZ (1 << 18)
#define EP93XXFB_USE_DOUBLE_VERT (1 << 19)
#define EP93XXFB_USE_BLANK_PIXEL (1 << 20)
#define EP93XXFB_USE_SDCSN0 (0 << 21)
#define EP93XXFB_USE_SDCSN1 (1 << 21)
#define EP93XXFB_USE_SDCSN2 (2 << 21)
#define EP93XXFB_USE_SDCSN3 (3 << 21)
#define EP93XXFB_ENABLE (EP93XXFB_STATE_MACHINE_ENABLE | \
EP93XXFB_PIXEL_CLOCK_ENABLE | \
EP93XXFB_VSYNC_ENABLE | \
EP93XXFB_PIXEL_DATA_ENABLE)
struct ep93xxfb_mach_info {
unsigned int num_modes;
const struct fb_videomode *modes;
const struct fb_videomode *default_mode;
int bpp;
unsigned int flags;
int (*setup)(struct platform_device *pdev);
void (*teardown)(struct platform_device *pdev);
void (*blank)(int blank_mode, struct fb_info *info);
};
#endif /* __ASM_ARCH_EP93XXFB_H */