diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/platform_data/dma-ep93xx.h | 93 | ||||
-rw-r--r-- | include/linux/platform_data/keypad-ep93xx.h | 35 | ||||
-rw-r--r-- | include/linux/platform_data/spi-ep93xx.h | 29 | ||||
-rw-r--r-- | include/linux/platform_data/video-ep93xx.h | 56 |
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 | */ | ||
38 | struct 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 | */ | ||
50 | struct 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 | */ | ||
65 | struct ep93xx_dma_platform_data { | ||
66 | struct ep93xx_dma_chan_data *channels; | ||
67 | size_t num_channels; | ||
68 | }; | ||
69 | |||
70 | static 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 | */ | ||
83 | static inline enum dma_transfer_direction | ||
84 | ep93xx_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 | |||
8 | struct 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 | */ | ||
25 | struct 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 | |||
4 | struct 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 | */ | ||
12 | struct 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 | */ | ||
23 | struct 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 | |||
8 | struct platform_device; | ||
9 | struct fb_videomode; | ||
10 | struct 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 | |||
44 | struct 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 */ | ||