aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/platform_data/dma-ep93xx.h93
-rw-r--r--include/linux/platform_data/keypad-ep93xx.h35
-rw-r--r--include/linux/platform_data/spi-ep93xx.h29
-rw-r--r--include/linux/platform_data/video-ep93xx.h56
4 files changed, 213 insertions, 0 deletions
diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h
new file mode 100644
index 000000000000..e82c642fa53c
--- /dev/null
+++ b/include/linux/platform_data/dma-ep93xx.h
@@ -0,0 +1,93 @@
1#ifndef __ASM_ARCH_DMA_H
2#define __ASM_ARCH_DMA_H
3
4#include <linux/types.h>
5#include <linux/dmaengine.h>
6#include <linux/dma-mapping.h>
7
8/*
9 * M2P channels.
10 *
11 * Note that these values are also directly used for setting the PPALLOC
12 * register.
13 */
14#define EP93XX_DMA_I2S1 0
15#define EP93XX_DMA_I2S2 1
16#define EP93XX_DMA_AAC1 2
17#define EP93XX_DMA_AAC2 3
18#define EP93XX_DMA_AAC3 4
19#define EP93XX_DMA_I2S3 5
20#define EP93XX_DMA_UART1 6
21#define EP93XX_DMA_UART2 7
22#define EP93XX_DMA_UART3 8
23#define EP93XX_DMA_IRDA 9
24/* M2M channels */
25#define EP93XX_DMA_SSP 10
26#define EP93XX_DMA_IDE 11
27
28/**
29 * struct ep93xx_dma_data - configuration data for the EP93xx dmaengine
30 * @port: peripheral which is requesting the channel
31 * @direction: TX/RX channel
32 * @name: optional name for the channel, this is displayed in /proc/interrupts
33 *
34 * This information is passed as private channel parameter in a filter
35 * function. Note that this is only needed for slave/cyclic channels. For
36 * memcpy channels %NULL data should be passed.
37 */
38struct ep93xx_dma_data {
39 int port;
40 enum dma_transfer_direction direction;
41 const char *name;
42};
43
44/**
45 * struct ep93xx_dma_chan_data - platform specific data for a DMA channel
46 * @name: name of the channel, used for getting the right clock for the channel
47 * @base: mapped registers
48 * @irq: interrupt number used by this channel
49 */
50struct ep93xx_dma_chan_data {
51 const char *name;
52 void __iomem *base;
53 int irq;
54};
55
56/**
57 * struct ep93xx_dma_platform_data - platform data for the dmaengine driver
58 * @channels: array of channels which are passed to the driver
59 * @num_channels: number of channels in the array
60 *
61 * This structure is passed to the DMA engine driver via platform data. For
62 * M2P channels, contract is that even channels are for TX and odd for RX.
63 * There is no requirement for the M2M channels.
64 */
65struct ep93xx_dma_platform_data {
66 struct ep93xx_dma_chan_data *channels;
67 size_t num_channels;
68};
69
70static inline bool ep93xx_dma_chan_is_m2p(struct dma_chan *chan)
71{
72 return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-m2p");
73}
74
75/**
76 * ep93xx_dma_chan_direction - returns direction the channel can be used
77 * @chan: channel
78 *
79 * This function can be used in filter functions to find out whether the
80 * channel supports given DMA direction. Only M2P channels have such
81 * limitation, for M2M channels the direction is configurable.
82 */
83static inline enum dma_transfer_direction
84ep93xx_dma_chan_direction(struct dma_chan *chan)
85{
86 if (!ep93xx_dma_chan_is_m2p(chan))
87 return DMA_NONE;
88
89 /* even channels are for TX, odd for RX */
90 return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
91}
92
93#endif /* __ASM_ARCH_DMA_H */
diff --git a/include/linux/platform_data/keypad-ep93xx.h b/include/linux/platform_data/keypad-ep93xx.h
new file mode 100644
index 000000000000..1e2f4e97f428
--- /dev/null
+++ b/include/linux/platform_data/keypad-ep93xx.h
@@ -0,0 +1,35 @@
1/*
2 * arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
3 */
4
5#ifndef __ASM_ARCH_EP93XX_KEYPAD_H
6#define __ASM_ARCH_EP93XX_KEYPAD_H
7
8struct matrix_keymap_data;
9
10/* flags for the ep93xx_keypad driver */
11#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
12#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
13#define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */
14#define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */
15#define EP93XX_KEYPAD_KDIV (1<<4) /* 1/4 clock or 1/16 clock */
16#define EP93XX_KEYPAD_AUTOREPEAT (1<<5) /* enable key autorepeat */
17
18/**
19 * struct ep93xx_keypad_platform_data - platform specific device structure
20 * @keymap_data: pointer to &matrix_keymap_data
21 * @debounce: debounce start count; terminal count is 0xff
22 * @prescale: row/column counter pre-scaler load value
23 * @flags: see above
24 */
25struct ep93xx_keypad_platform_data {
26 struct matrix_keymap_data *keymap_data;
27 unsigned int debounce;
28 unsigned int prescale;
29 unsigned int flags;
30};
31
32#define EP93XX_MATRIX_ROWS (8)
33#define EP93XX_MATRIX_COLS (8)
34
35#endif /* __ASM_ARCH_EP93XX_KEYPAD_H */
diff --git a/include/linux/platform_data/spi-ep93xx.h b/include/linux/platform_data/spi-ep93xx.h
new file mode 100644
index 000000000000..9bb63ac13f04
--- /dev/null
+++ b/include/linux/platform_data/spi-ep93xx.h
@@ -0,0 +1,29 @@
1#ifndef __ASM_MACH_EP93XX_SPI_H
2#define __ASM_MACH_EP93XX_SPI_H
3
4struct spi_device;
5
6/**
7 * struct ep93xx_spi_info - EP93xx specific SPI descriptor
8 * @num_chipselect: number of chip selects on this board, must be
9 * at least one
10 * @use_dma: use DMA for the transfers
11 */
12struct ep93xx_spi_info {
13 int num_chipselect;
14 bool use_dma;
15};
16
17/**
18 * struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
19 * @setup: setup the chip select mechanism
20 * @cleanup: cleanup the chip select mechanism
21 * @cs_control: control the device chip select
22 */
23struct ep93xx_spi_chip_ops {
24 int (*setup)(struct spi_device *spi);
25 void (*cleanup)(struct spi_device *spi);
26 void (*cs_control)(struct spi_device *spi, int value);
27};
28
29#endif /* __ASM_MACH_EP93XX_SPI_H */
diff --git a/include/linux/platform_data/video-ep93xx.h b/include/linux/platform_data/video-ep93xx.h
new file mode 100644
index 000000000000..d5ae11d7c453
--- /dev/null
+++ b/include/linux/platform_data/video-ep93xx.h
@@ -0,0 +1,56 @@
1/*
2 * arch/arm/mach-ep93xx/include/mach/fb.h
3 */
4
5#ifndef __ASM_ARCH_EP93XXFB_H
6#define __ASM_ARCH_EP93XXFB_H
7
8struct platform_device;
9struct fb_videomode;
10struct fb_info;
11
12#define EP93XXFB_USE_MODEDB 0
13
14/* VideoAttributes flags */
15#define EP93XXFB_STATE_MACHINE_ENABLE (1 << 0)
16#define EP93XXFB_PIXEL_CLOCK_ENABLE (1 << 1)
17#define EP93XXFB_VSYNC_ENABLE (1 << 2)
18#define EP93XXFB_PIXEL_DATA_ENABLE (1 << 3)
19#define EP93XXFB_COMPOSITE_SYNC (1 << 4)
20#define EP93XXFB_SYNC_VERT_HIGH (1 << 5)
21#define EP93XXFB_SYNC_HORIZ_HIGH (1 << 6)
22#define EP93XXFB_SYNC_BLANK_HIGH (1 << 7)
23#define EP93XXFB_PCLK_FALLING (1 << 8)
24#define EP93XXFB_ENABLE_AC (1 << 9)
25#define EP93XXFB_ENABLE_LCD (1 << 10)
26#define EP93XXFB_ENABLE_CCIR (1 << 12)
27#define EP93XXFB_USE_PARALLEL_INTERFACE (1 << 13)
28#define EP93XXFB_ENABLE_INTERRUPT (1 << 14)
29#define EP93XXFB_USB_INTERLACE (1 << 16)
30#define EP93XXFB_USE_EQUALIZATION (1 << 17)
31#define EP93XXFB_USE_DOUBLE_HORZ (1 << 18)
32#define EP93XXFB_USE_DOUBLE_VERT (1 << 19)
33#define EP93XXFB_USE_BLANK_PIXEL (1 << 20)
34#define EP93XXFB_USE_SDCSN0 (0 << 21)
35#define EP93XXFB_USE_SDCSN1 (1 << 21)
36#define EP93XXFB_USE_SDCSN2 (2 << 21)
37#define EP93XXFB_USE_SDCSN3 (3 << 21)
38
39#define EP93XXFB_ENABLE (EP93XXFB_STATE_MACHINE_ENABLE | \
40 EP93XXFB_PIXEL_CLOCK_ENABLE | \
41 EP93XXFB_VSYNC_ENABLE | \
42 EP93XXFB_PIXEL_DATA_ENABLE)
43
44struct ep93xxfb_mach_info {
45 unsigned int num_modes;
46 const struct fb_videomode *modes;
47 const struct fb_videomode *default_mode;
48 int bpp;
49 unsigned int flags;
50
51 int (*setup)(struct platform_device *pdev);
52 void (*teardown)(struct platform_device *pdev);
53 void (*blank)(int blank_mode, struct fb_info *info);
54};
55
56#endif /* __ASM_ARCH_EP93XXFB_H */