diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/dma.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/dma.h | 57 |
1 files changed, 46 insertions, 11 deletions
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h index 4b51d2b93b0e..d1c916fcf770 100644 --- a/arch/arm/plat-omap/include/plat/dma.h +++ b/arch/arm/plat-omap/include/plat/dma.h | |||
@@ -21,19 +21,15 @@ | |||
21 | #ifndef __ASM_ARCH_DMA_H | 21 | #ifndef __ASM_ARCH_DMA_H |
22 | #define __ASM_ARCH_DMA_H | 22 | #define __ASM_ARCH_DMA_H |
23 | 23 | ||
24 | /* Move omap4 specific defines to dma-44xx.h */ | 24 | #include <linux/platform_device.h> |
25 | #include "dma-44xx.h" | ||
26 | |||
27 | /* Hardware registers for omap1 */ | ||
28 | #define OMAP1_DMA_BASE (0xfffed800) | ||
29 | 25 | ||
30 | /* Hardware registers for omap2 and omap3 */ | 26 | /* |
31 | #define OMAP24XX_DMA4_BASE (L4_24XX_BASE + 0x56000) | 27 | * TODO: These dma channel defines should go away once all |
32 | #define OMAP34XX_DMA4_BASE (L4_34XX_BASE + 0x56000) | 28 | * the omap drivers hwmod adapted. |
33 | #define OMAP44XX_DMA4_BASE (L4_44XX_BASE + 0x56000) | 29 | */ |
34 | 30 | ||
35 | #define OMAP1_LOGICAL_DMA_CH_COUNT 17 | 31 | /* Move omap4 specific defines to dma-44xx.h */ |
36 | #define OMAP_DMA4_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */ | 32 | #include "dma-44xx.h" |
37 | 33 | ||
38 | /* DMA channels for omap1 */ | 34 | /* DMA channels for omap1 */ |
39 | #define OMAP_DMA_NO_DEVICE 0 | 35 | #define OMAP_DMA_NO_DEVICE 0 |
@@ -302,6 +298,14 @@ | |||
302 | #define IS_CSSA_32 BIT(0x3) | 298 | #define IS_CSSA_32 BIT(0x3) |
303 | #define IS_CDSA_32 BIT(0x4) | 299 | #define IS_CDSA_32 BIT(0x4) |
304 | #define IS_RW_PRIORITY BIT(0x5) | 300 | #define IS_RW_PRIORITY BIT(0x5) |
301 | #define ENABLE_1510_MODE BIT(0x6) | ||
302 | #define SRC_PORT BIT(0x7) | ||
303 | #define DST_PORT BIT(0x8) | ||
304 | #define SRC_INDEX BIT(0x9) | ||
305 | #define DST_INDEX BIT(0xA) | ||
306 | #define IS_BURST_ONLY4 BIT(0xB) | ||
307 | #define CLEAR_CSR_ON_READ BIT(0xC) | ||
308 | #define IS_WORD_16 BIT(0xD) | ||
305 | 309 | ||
306 | enum omap_reg_offsets { | 310 | enum omap_reg_offsets { |
307 | 311 | ||
@@ -397,9 +401,40 @@ struct omap_dma_channel_params { | |||
397 | #endif | 401 | #endif |
398 | }; | 402 | }; |
399 | 403 | ||
404 | struct omap_dma_lch { | ||
405 | int next_lch; | ||
406 | int dev_id; | ||
407 | u16 saved_csr; | ||
408 | u16 enabled_irqs; | ||
409 | const char *dev_name; | ||
410 | void (*callback)(int lch, u16 ch_status, void *data); | ||
411 | void *data; | ||
412 | long flags; | ||
413 | /* required for Dynamic chaining */ | ||
414 | int prev_linked_ch; | ||
415 | int next_linked_ch; | ||
416 | int state; | ||
417 | int chain_id; | ||
418 | int status; | ||
419 | }; | ||
420 | |||
400 | struct omap_dma_dev_attr { | 421 | struct omap_dma_dev_attr { |
401 | u32 dev_caps; | 422 | u32 dev_caps; |
402 | u16 lch_count; | 423 | u16 lch_count; |
424 | u16 chan_count; | ||
425 | struct omap_dma_lch *chan; | ||
426 | }; | ||
427 | |||
428 | /* System DMA platform data structure */ | ||
429 | struct omap_system_dma_plat_info { | ||
430 | struct omap_dma_dev_attr *dma_attr; | ||
431 | u32 errata; | ||
432 | void (*disable_irq_lch)(int lch); | ||
433 | void (*show_dma_caps)(void); | ||
434 | void (*clear_lch_regs)(int lch); | ||
435 | void (*clear_dma)(int lch); | ||
436 | void (*dma_write)(u32 val, int reg, int lch); | ||
437 | u32 (*dma_read)(int reg, int lch); | ||
403 | }; | 438 | }; |
404 | 439 | ||
405 | extern void omap_set_dma_priority(int lch, int dst_port, int priority); | 440 | extern void omap_set_dma_priority(int lch, int dst_port, int priority); |