diff options
Diffstat (limited to 'include/asm-arm/arch-omap/dma.h')
| -rw-r--r-- | include/asm-arm/arch-omap/dma.h | 135 |
1 files changed, 101 insertions, 34 deletions
diff --git a/include/asm-arm/arch-omap/dma.h b/include/asm-arm/arch-omap/dma.h index f33b467fddb..24acf090030 100644 --- a/include/asm-arm/arch-omap/dma.h +++ b/include/asm-arm/arch-omap/dma.h @@ -45,22 +45,28 @@ #define OMAP_DMA_PCHD_SR (OMAP_DMA_BASE + 0x4c0) /* Hardware registers for omap2 */ -#define OMAP24XX_DMA_BASE (L4_24XX_BASE + 0x56000) -#define OMAP_DMA4_REVISION (OMAP24XX_DMA_BASE + 0x00) -#define OMAP_DMA4_GCR_REG (OMAP24XX_DMA_BASE + 0x78) -#define OMAP_DMA4_IRQSTATUS_L0 (OMAP24XX_DMA_BASE + 0x08) -#define OMAP_DMA4_IRQSTATUS_L1 (OMAP24XX_DMA_BASE + 0x0c) -#define OMAP_DMA4_IRQSTATUS_L2 (OMAP24XX_DMA_BASE + 0x10) -#define OMAP_DMA4_IRQSTATUS_L3 (OMAP24XX_DMA_BASE + 0x14) -#define OMAP_DMA4_IRQENABLE_L0 (OMAP24XX_DMA_BASE + 0x18) -#define OMAP_DMA4_IRQENABLE_L1 (OMAP24XX_DMA_BASE + 0x1c) -#define OMAP_DMA4_IRQENABLE_L2 (OMAP24XX_DMA_BASE + 0x20) -#define OMAP_DMA4_IRQENABLE_L3 (OMAP24XX_DMA_BASE + 0x24) -#define OMAP_DMA4_SYSSTATUS (OMAP24XX_DMA_BASE + 0x28) -#define OMAP_DMA4_CAPS_0 (OMAP24XX_DMA_BASE + 0x64) -#define OMAP_DMA4_CAPS_2 (OMAP24XX_DMA_BASE + 0x6c) -#define OMAP_DMA4_CAPS_3 (OMAP24XX_DMA_BASE + 0x70) -#define OMAP_DMA4_CAPS_4 (OMAP24XX_DMA_BASE + 0x74) +#if defined(CONFIG_ARCH_OMAP3) +#define OMAP_DMA4_BASE (L4_34XX_BASE + 0x56000) +#else /* CONFIG_ARCH_OMAP2 */ +#define OMAP_DMA4_BASE (L4_24XX_BASE + 0x56000) +#endif + +#define OMAP_DMA4_REVISION (OMAP_DMA4_BASE + 0x00) +#define OMAP_DMA4_GCR_REG (OMAP_DMA4_BASE + 0x78) +#define OMAP_DMA4_IRQSTATUS_L0 (OMAP_DMA4_BASE + 0x08) +#define OMAP_DMA4_IRQSTATUS_L1 (OMAP_DMA4_BASE + 0x0c) +#define OMAP_DMA4_IRQSTATUS_L2 (OMAP_DMA4_BASE + 0x10) +#define OMAP_DMA4_IRQSTATUS_L3 (OMAP_DMA4_BASE + 0x14) +#define OMAP_DMA4_IRQENABLE_L0 (OMAP_DMA4_BASE + 0x18) +#define OMAP_DMA4_IRQENABLE_L1 (OMAP_DMA4_BASE + 0x1c) +#define OMAP_DMA4_IRQENABLE_L2 (OMAP_DMA4_BASE + 0x20) +#define OMAP_DMA4_IRQENABLE_L3 (OMAP_DMA4_BASE + 0x24) +#define OMAP_DMA4_SYSSTATUS (OMAP_DMA4_BASE + 0x28) +#define OMAP_DMA4_OCP_SYSCONFIG (OMAP_DMA4_BASE + 0x2c) +#define OMAP_DMA4_CAPS_0 (OMAP_DMA4_BASE + 0x64) +#define OMAP_DMA4_CAPS_2 (OMAP_DMA4_BASE + 0x6c) +#define OMAP_DMA4_CAPS_3 (OMAP_DMA4_BASE + 0x70) +#define OMAP_DMA4_CAPS_4 (OMAP_DMA4_BASE + 0x74) #ifdef CONFIG_ARCH_OMAP1 @@ -86,19 +92,19 @@ #define OMAP_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */ /* Common channel specific registers for omap2 */ -#define OMAP_DMA_CCR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x80) -#define OMAP_DMA_CLNK_CTRL_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x84) -#define OMAP_DMA_CICR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x88) -#define OMAP_DMA_CSR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x8c) -#define OMAP_DMA_CSDP_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x90) -#define OMAP_DMA_CEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x94) -#define OMAP_DMA_CFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x98) -#define OMAP_DMA_CSEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa4) -#define OMAP_DMA_CSFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa8) -#define OMAP_DMA_CDEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xac) -#define OMAP_DMA_CDFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb0) -#define OMAP_DMA_CSAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb4) -#define OMAP_DMA_CDAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb8) +#define OMAP_DMA_CCR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x80) +#define OMAP_DMA_CLNK_CTRL_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x84) +#define OMAP_DMA_CICR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x88) +#define OMAP_DMA_CSR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x8c) +#define OMAP_DMA_CSDP_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x90) +#define OMAP_DMA_CEN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x94) +#define OMAP_DMA_CFN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x98) +#define OMAP_DMA_CSEI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa4) +#define OMAP_DMA_CSFI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa8) +#define OMAP_DMA_CDEI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xac) +#define OMAP_DMA_CDFI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb0) +#define OMAP_DMA_CSAC_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb4) +#define OMAP_DMA_CDAC_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb8) #endif @@ -113,11 +119,11 @@ #define OMAP1_DMA_LCH_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x2a) /* Channel specific registers only on omap2 */ -#define OMAP2_DMA_CSSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x9c) -#define OMAP2_DMA_CDSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa0) -#define OMAP2_DMA_CCEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xbc) -#define OMAP2_DMA_CCFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc0) -#define OMAP2_DMA_COLOR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc4) +#define OMAP2_DMA_CSSA_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x9c) +#define OMAP2_DMA_CDSA_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa0) +#define OMAP2_DMA_CCEN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xbc) +#define OMAP2_DMA_CCFN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xc0) +#define OMAP2_DMA_COLOR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xc4) /*----------------------------------------------------------------------------*/ @@ -297,6 +303,10 @@ #define OMAP_DMA_SYNC_ELEMENT 0x00 #define OMAP_DMA_SYNC_FRAME 0x01 #define OMAP_DMA_SYNC_BLOCK 0x02 +#define OMAP_DMA_SYNC_PACKET 0x03 + +#define OMAP_DMA_SRC_SYNC 0x01 +#define OMAP_DMA_DST_SYNC 0x00 #define OMAP_DMA_PORT_EMIFF 0x00 #define OMAP_DMA_PORT_EMIFS 0x01 @@ -310,6 +320,29 @@ #define OMAP_DMA_AMODE_SINGLE_IDX 0x02 #define OMAP_DMA_AMODE_DOUBLE_IDX 0x03 +#define DMA_DEFAULT_FIFO_DEPTH 0x10 +#define DMA_DEFAULT_ARB_RATE 0x01 +/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */ +#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */ +#define DMA_THREAD_RESERVE_ONET (0x01 << 12) +#define DMA_THREAD_RESERVE_TWOT (0x02 << 12) +#define DMA_THREAD_RESERVE_THREET (0x03 << 12) +#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */ +#define DMA_THREAD_FIFO_75 (0x01 << 14) +#define DMA_THREAD_FIFO_25 (0x02 << 14) +#define DMA_THREAD_FIFO_50 (0x03 << 14) + +/* Chaining modes*/ +#ifndef CONFIG_ARCH_OMAP1 +#define OMAP_DMA_STATIC_CHAIN 0x1 +#define OMAP_DMA_DYNAMIC_CHAIN 0x2 +#define OMAP_DMA_CHAIN_ACTIVE 0x1 +#define OMAP_DMA_CHAIN_INACTIVE 0x0 +#endif + +#define DMA_CH_PRIO_HIGH 0x1 +#define DMA_CH_PRIO_LOW 0x0 /* Def */ + /* LCD DMA block numbers */ enum { OMAP_LCD_DMA_B1_TOP, @@ -359,6 +392,13 @@ struct omap_dma_channel_params { int src_or_dst_synch; /* source synch(1) or destination synch(0) */ int ie; /* interrupt enabled */ + + unsigned char read_prio;/* read priority */ + unsigned char write_prio;/* write priority */ + +#ifndef CONFIG_ARCH_OMAP1 + enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */ +#endif }; @@ -409,6 +449,33 @@ extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_src_addr_counter(int lch); extern void omap_clear_dma(int lch); extern int omap_dma_running(void); +extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, + int tparams); +extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio, + unsigned char write_prio); + +/* Chaining APIs */ +#ifndef CONFIG_ARCH_OMAP1 +extern int omap_request_dma_chain(int dev_id, const char *dev_name, + void (*callback) (int chain_id, u16 ch_status, + void *data), + int *chain_id, int no_of_chans, + int chain_mode, + struct omap_dma_channel_params params); +extern int omap_free_dma_chain(int chain_id); +extern int omap_dma_chain_a_transfer(int chain_id, int src_start, + int dest_start, int elem_count, + int frame_count, void *callbk_data); +extern int omap_start_dma_chain_transfers(int chain_id); +extern int omap_stop_dma_chain_transfers(int chain_id); +extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi); +extern int omap_get_dma_chain_dst_pos(int chain_id); +extern int omap_get_dma_chain_src_pos(int chain_id); + +extern int omap_modify_dma_chain_params(int chain_id, + struct omap_dma_channel_params params); +extern int omap_dma_chain_status(int chain_id); +#endif /* LCD DMA functions */ extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data), |