diff options
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/edma.h')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/edma.h | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h index 24a379239d7..eb8bfd7925e 100644 --- a/arch/arm/mach-davinci/include/mach/edma.h +++ b/arch/arm/mach-davinci/include/mach/edma.h @@ -139,6 +139,54 @@ struct edmacc_param { #define DAVINCI_DMA_PWM1 53 #define DAVINCI_DMA_PWM2 54 +/* DA830 specific EDMA3 information */ +#define EDMA_DA830_NUM_DMACH 32 +#define EDMA_DA830_NUM_TCC 32 +#define EDMA_DA830_NUM_PARAMENTRY 128 +#define EDMA_DA830_NUM_EVQUE 2 +#define EDMA_DA830_NUM_TC 2 +#define EDMA_DA830_CHMAP_EXIST 0 +#define EDMA_DA830_NUM_REGIONS 4 +#define DA830_DMACH2EVENT_MAP0 0x000FC03Fu +#define DA830_DMACH2EVENT_MAP1 0x00000000u +#define DA830_EDMA_ARM_OWN 0x30FFCCFFu + +/* DA830 specific EDMA3 Events Information */ +enum DA830_edma_ch { + DA830_DMACH_MCASP0_RX, + DA830_DMACH_MCASP0_TX, + DA830_DMACH_MCASP1_RX, + DA830_DMACH_MCASP1_TX, + DA830_DMACH_MCASP2_RX, + DA830_DMACH_MCASP2_TX, + DA830_DMACH_GPIO_BNK0INT, + DA830_DMACH_GPIO_BNK1INT, + DA830_DMACH_UART0_RX, + DA830_DMACH_UART0_TX, + DA830_DMACH_TMR64P0_EVTOUT12, + DA830_DMACH_TMR64P0_EVTOUT34, + DA830_DMACH_UART1_RX, + DA830_DMACH_UART1_TX, + DA830_DMACH_SPI0_RX, + DA830_DMACH_SPI0_TX, + DA830_DMACH_MMCSD_RX, + DA830_DMACH_MMCSD_TX, + DA830_DMACH_SPI1_RX, + DA830_DMACH_SPI1_TX, + DA830_DMACH_DMAX_EVTOUT6, + DA830_DMACH_DMAX_EVTOUT7, + DA830_DMACH_GPIO_BNK2INT, + DA830_DMACH_GPIO_BNK3INT, + DA830_DMACH_I2C0_RX, + DA830_DMACH_I2C0_TX, + DA830_DMACH_I2C1_RX, + DA830_DMACH_I2C1_TX, + DA830_DMACH_GPIO_BNK4INT, + DA830_DMACH_GPIO_BNK5INT, + DA830_DMACH_UART2_RX, + DA830_DMACH_UART2_TX +}; + /*ch_status paramater of callback function possible values*/ #define DMA_COMPLETE 1 #define DMA_CC_ERROR 2 @@ -162,6 +210,8 @@ enum fifo_width { enum dma_event_q { EVENTQ_0 = 0, EVENTQ_1 = 1, + EVENTQ_2 = 2, + EVENTQ_3 = 3, EVENTQ_DEFAULT = -1 }; @@ -170,8 +220,15 @@ enum sync_dimension { ABSYNC = 1 }; +#define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan)) +#define EDMA_CTLR(i) ((i) >> 16) +#define EDMA_CHAN_SLOT(i) ((i) & 0xffff) + #define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */ #define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */ +#define EDMA_CONT_PARAMS_ANY 1001 +#define EDMA_CONT_PARAMS_FIXED_EXACT 1002 +#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 /* alloc/free DMA channels and their dedicated parameter RAM slots */ int edma_alloc_channel(int channel, @@ -180,9 +237,13 @@ int edma_alloc_channel(int channel, void edma_free_channel(unsigned channel); /* alloc/free parameter RAM slots */ -int edma_alloc_slot(int slot); +int edma_alloc_slot(unsigned ctlr, int slot); void edma_free_slot(unsigned slot); +/* alloc/free a set of contiguous parameter RAM slots */ +int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count); +int edma_free_cont_slots(unsigned slot, int count); + /* calls that operate on part of a parameter RAM slot */ void edma_set_src(unsigned slot, dma_addr_t src_port, enum address_mode mode, enum fifo_width); @@ -216,9 +277,13 @@ struct edma_soc_info { unsigned n_region; unsigned n_slot; unsigned n_tc; + unsigned n_cc; + enum dma_event_q default_queue; /* list of channels with no even trigger; terminated by "-1" */ const s8 *noevent; + const s8 (*queue_tc_mapping)[2]; + const s8 (*queue_priority_mapping)[2]; }; #endif |