diff options
Diffstat (limited to 'drivers/dma/coh901318.c')
| -rw-r--r-- | drivers/dma/coh901318.c | 1497 |
1 files changed, 1339 insertions, 158 deletions
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index d65a718c0f9..3c6716e0b78 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -21,9 +21,1241 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/debugfs.h> -#include <mach/coh901318.h> +#include <linux/platform_data/dma-coh901318.h> +#include <linux/of_dma.h> + +#include "coh901318.h" +#include "dmaengine.h" + +#define COH901318_MOD32_MASK (0x1F) +#define COH901318_WORD_MASK (0xFFFFFFFF) +/* INT_STATUS - Interrupt Status Registers 32bit (R/-) */ +#define COH901318_INT_STATUS1 (0x0000) +#define COH901318_INT_STATUS2 (0x0004) +/* TC_INT_STATUS - Terminal Count Interrupt Status Registers 32bit (R/-) */ +#define COH901318_TC_INT_STATUS1 (0x0008) +#define COH901318_TC_INT_STATUS2 (0x000C) +/* TC_INT_CLEAR - Terminal Count Interrupt Clear Registers 32bit (-/W) */ +#define COH901318_TC_INT_CLEAR1 (0x0010) +#define COH901318_TC_INT_CLEAR2 (0x0014) +/* RAW_TC_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */ +#define COH901318_RAW_TC_INT_STATUS1 (0x0018) +#define COH901318_RAW_TC_INT_STATUS2 (0x001C) +/* BE_INT_STATUS - Bus Error Interrupt Status Registers 32bit (R/-) */ +#define COH901318_BE_INT_STATUS1 (0x0020) +#define COH901318_BE_INT_STATUS2 (0x0024) +/* BE_INT_CLEAR - Bus Error Interrupt Clear Registers 32bit (-/W) */ +#define COH901318_BE_INT_CLEAR1 (0x0028) +#define COH901318_BE_INT_CLEAR2 (0x002C) +/* RAW_BE_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */ +#define COH901318_RAW_BE_INT_STATUS1 (0x0030) +#define COH901318_RAW_BE_INT_STATUS2 (0x0034) -#include "coh901318_lli.h" +/* + * CX_CFG - Channel Configuration Registers 32bit (R/W) + */ +#define COH901318_CX_CFG (0x0100) +#define COH901318_CX_CFG_SPACING (0x04) +/* Channel enable activates tha dma job */ +#define COH901318_CX_CFG_CH_ENABLE (0x00000001) +#define COH901318_CX_CFG_CH_DISABLE (0x00000000) +/* Request Mode */ +#define COH901318_CX_CFG_RM_MASK (0x00000006) +#define COH901318_CX_CFG_RM_MEMORY_TO_MEMORY (0x0 << 1) +#define COH901318_CX_CFG_RM_PRIMARY_TO_MEMORY (0x1 << 1) +#define COH901318_CX_CFG_RM_MEMORY_TO_PRIMARY (0x1 << 1) +#define COH901318_CX_CFG_RM_PRIMARY_TO_SECONDARY (0x3 << 1) +#define COH901318_CX_CFG_RM_SECONDARY_TO_PRIMARY (0x3 << 1) +/* Linked channel request field. RM must == 11 */ +#define COH901318_CX_CFG_LCRF_SHIFT 3 +#define COH901318_CX_CFG_LCRF_MASK (0x000001F8) +#define COH901318_CX_CFG_LCR_DISABLE (0x00000000) +/* Terminal Counter Interrupt Request Mask */ +#define COH901318_CX_CFG_TC_IRQ_ENABLE (0x00000200) +#define COH901318_CX_CFG_TC_IRQ_DISABLE (0x00000000) +/* Bus Error interrupt Mask */ +#define COH901318_CX_CFG_BE_IRQ_ENABLE (0x00000400) +#define COH901318_CX_CFG_BE_IRQ_DISABLE (0x00000000) + +/* + * CX_STAT - Channel Status Registers 32bit (R/-) + */ +#define COH901318_CX_STAT (0x0200) +#define COH901318_CX_STAT_SPACING (0x04) +#define COH901318_CX_STAT_RBE_IRQ_IND (0x00000008) +#define COH901318_CX_STAT_RTC_IRQ_IND (0x00000004) +#define COH901318_CX_STAT_ACTIVE (0x00000002) +#define COH901318_CX_STAT_ENABLED (0x00000001) + +/* + * CX_CTRL - Channel Control Registers 32bit (R/W) + */ +#define COH901318_CX_CTRL (0x0400) +#define COH901318_CX_CTRL_SPACING (0x10) +/* Transfer Count Enable */ +#define COH901318_CX_CTRL_TC_ENABLE (0x00001000) +#define COH901318_CX_CTRL_TC_DISABLE (0x00000000) +/* Transfer Count Value 0 - 4095 */ +#define COH901318_CX_CTRL_TC_VALUE_MASK (0x00000FFF) +/* Burst count */ +#define COH901318_CX_CTRL_BURST_COUNT_MASK (0x0000E000) +#define COH901318_CX_CTRL_BURST_COUNT_64_BYTES (0x7 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_48_BYTES (0x6 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_32_BYTES (0x5 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_16_BYTES (0x4 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_8_BYTES (0x3 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_4_BYTES (0x2 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_2_BYTES (0x1 << 13) +#define COH901318_CX_CTRL_BURST_COUNT_1_BYTE (0x0 << 13) +/* Source bus size */ +#define COH901318_CX_CTRL_SRC_BUS_SIZE_MASK (0x00030000) +#define COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS (0x2 << 16) +#define COH901318_CX_CTRL_SRC_BUS_SIZE_16_BITS (0x1 << 16) +#define COH901318_CX_CTRL_SRC_BUS_SIZE_8_BITS (0x0 << 16) +/* Source address increment */ +#define COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE (0x00040000) +#define COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE (0x00000000) +/* Destination Bus Size */ +#define COH901318_CX_CTRL_DST_BUS_SIZE_MASK (0x00180000) +#define COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS (0x2 << 19) +#define COH901318_CX_CTRL_DST_BUS_SIZE_16_BITS (0x1 << 19) +#define COH901318_CX_CTRL_DST_BUS_SIZE_8_BITS (0x0 << 19) +/* Destination address increment */ +#define COH901318_CX_CTRL_DST_ADDR_INC_ENABLE (0x00200000) +#define COH901318_CX_CTRL_DST_ADDR_INC_DISABLE (0x00000000) +/* Master Mode (Master2 is only connected to MSL) */ +#define COH901318_CX_CTRL_MASTER_MODE_MASK (0x00C00000) +#define COH901318_CX_CTRL_MASTER_MODE_M2R_M1W (0x3 << 22) +#define COH901318_CX_CTRL_MASTER_MODE_M1R_M2W (0x2 << 22) +#define COH901318_CX_CTRL_MASTER_MODE_M2RW (0x1 << 22) +#define COH901318_CX_CTRL_MASTER_MODE_M1RW (0x0 << 22) +/* Terminal Count flag to PER enable */ +#define COH901318_CX_CTRL_TCP_ENABLE (0x01000000) +#define COH901318_CX_CTRL_TCP_DISABLE (0x00000000) +/* Terminal Count flags to CPU enable */ +#define COH901318_CX_CTRL_TC_IRQ_ENABLE (0x02000000) +#define COH901318_CX_CTRL_TC_IRQ_DISABLE (0x00000000) +/* Hand shake to peripheral */ +#define COH901318_CX_CTRL_HSP_ENABLE (0x04000000) +#define COH901318_CX_CTRL_HSP_DISABLE (0x00000000) +#define COH901318_CX_CTRL_HSS_ENABLE (0x08000000) +#define COH901318_CX_CTRL_HSS_DISABLE (0x00000000) +/* DMA mode */ +#define COH901318_CX_CTRL_DDMA_MASK (0x30000000) +#define COH901318_CX_CTRL_DDMA_LEGACY (0x0 << 28) +#define COH901318_CX_CTRL_DDMA_DEMAND_DMA1 (0x1 << 28) +#define COH901318_CX_CTRL_DDMA_DEMAND_DMA2 (0x2 << 28) +/* Primary Request Data Destination */ +#define COH901318_CX_CTRL_PRDD_MASK (0x40000000) +#define COH901318_CX_CTRL_PRDD_DEST (0x1 << 30) +#define COH901318_CX_CTRL_PRDD_SOURCE (0x0 << 30) + +/* + * CX_SRC_ADDR - Channel Source Address Registers 32bit (R/W) + */ +#define COH901318_CX_SRC_ADDR (0x0404) +#define COH901318_CX_SRC_ADDR_SPACING (0x10) + +/* + * CX_DST_ADDR - Channel Destination Address Registers 32bit R/W + */ +#define COH901318_CX_DST_ADDR (0x0408) +#define COH901318_CX_DST_ADDR_SPACING (0x10) + +/* + * CX_LNK_ADDR - Channel Link Address Registers 32bit (R/W) + */ +#define COH901318_CX_LNK_ADDR (0x040C) +#define COH901318_CX_LNK_ADDR_SPACING (0x10) +#define COH901318_CX_LNK_LINK_IMMEDIATE (0x00000001) + +/** + * struct coh901318_params - parameters for DMAC configuration + * @config: DMA config register + * @ctrl_lli_last: DMA control register for the last lli in the list + * @ctrl_lli: DMA control register for an lli + * @ctrl_lli_chained: DMA control register for a chained lli + */ +struct coh901318_params { + u32 config; + u32 ctrl_lli_last; + u32 ctrl_lli; + u32 ctrl_lli_chained; +}; + +/** + * struct coh_dma_channel - dma channel base + * @name: ascii name of dma channel + * @number: channel id number + * @desc_nbr_max: number of preallocated descriptors + * @priority_high: prio of channel, 0 low otherwise high. + * @param: configuration parameters + */ +struct coh_dma_channel { + const char name[32]; + const int number; + const int desc_nbr_max; + const int priority_high; + const struct coh901318_params param; +}; + +/** + * struct powersave - DMA power save structure + * @lock: lock protecting data in this struct + * @started_channels: bit mask indicating active dma channels + */ +struct powersave { + spinlock_t lock; + u64 started_channels; +}; + +/* points out all dma slave channels. + * Syntax is [A1, B1, A2, B2, .... ,-1,-1] + * Select all channels from A to B, end of list is marked with -1,-1 + */ +static int dma_slave_channels[] = { + U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, + U300_DMA_UART1_TX, U300_DMA_UART1_RX, -1, -1}; + +/* points out all dma memcpy channels. */ +static int dma_memcpy_channels[] = { + U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_8, -1, -1}; + +#define flags_memcpy_config (COH901318_CX_CFG_CH_DISABLE | \ + COH901318_CX_CFG_RM_MEMORY_TO_MEMORY | \ + COH901318_CX_CFG_LCR_DISABLE | \ + COH901318_CX_CFG_TC_IRQ_ENABLE | \ + COH901318_CX_CFG_BE_IRQ_ENABLE) +#define flags_memcpy_lli_chained (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_DISABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) +#define flags_memcpy_lli (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_DISABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) +#define flags_memcpy_lli_last (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_ENABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) + +const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { + { + .number = U300_DMA_MSL_TX_0, + .name = "MSL TX 0", + .priority_high = 0, + }, + { + .number = U300_DMA_MSL_TX_1, + .name = "MSL TX 1", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_2, + .name = "MSL TX 2", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .desc_nbr_max = 10, + }, + { + .number = U300_DMA_MSL_TX_3, + .name = "MSL TX 3", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_4, + .name = "MSL TX 4", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_5, + .name = "MSL TX 5", + .priority_high = 0, + }, + { + .number = U300_DMA_MSL_TX_6, + .name = "MSL TX 6", + .priority_high = 0, + }, + { + .number = U300_DMA_MSL_RX_0, + .name = "MSL RX 0", + .priority_high = 0, + }, + { + .number = U300_DMA_MSL_RX_1, + .name = "MSL RX 1", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_2, + .name = "MSL RX 2", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_3, + .name = "MSL RX 3", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_4, + .name = "MSL RX 4", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_5, + .name = "MSL RX 5", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_6, + .name = "MSL RX 6", + .priority_high = 0, + }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ + { + .number = U300_DMA_MMCSD_RX_TX, + .name = "MMCSD RX TX", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + + }, + { + .number = U300_DMA_MSPRO_TX, + .name = "MSPRO TX", + .priority_high = 0, + }, + { + .number = U300_DMA_MSPRO_RX, + .name = "MSPRO RX", + .priority_high = 0, + }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ + { + .number = U300_DMA_UART0_TX, + .name = "UART0 TX", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + }, + { + .number = U300_DMA_UART0_RX, + .name = "UART0 RX", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + }, + { + .number = U300_DMA_APEX_TX, + .name = "APEX TX", + .priority_high = 0, + }, + { + .number = U300_DMA_APEX_RX, + .name = "APEX RX", + .priority_high = 0, + }, + { + .number = U300_DMA_PCM_I2S0_TX, + .name = "PCM I2S0 TX", + .priority_high = 1, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_PCM_I2S0_RX, + .name = "PCM I2S0 RX", + .priority_high = 1, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_PCM_I2S1_TX, + .name = "PCM I2S1 TX", + .priority_high = 1, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_PCM_I2S1_RX, + .name = "PCM I2S1 RX", + .priority_high = 1, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_XGAM_CDI, + .name = "XGAM CDI", + .priority_high = 0, + }, + { + .number = U300_DMA_XGAM_PDI, + .name = "XGAM PDI", + .priority_high = 0, + }, + /* + * Don't set up device address, burst count or size of src + * or dst bus for this peripheral - handled by PrimeCell + * DMA extension. + */ + { + .number = U300_DMA_SPI_TX, + .name = "SPI TX", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + }, + { + .number = U300_DMA_SPI_RX, + .name = "SPI RX", + .priority_high = 0, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + + }, + { + .number = U300_DMA_GENERAL_PURPOSE_0, + .name = "GENERAL 00", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_1, + .name = "GENERAL 01", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_2, + .name = "GENERAL 02", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_3, + .name = "GENERAL 03", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_4, + .name = "GENERAL 04", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_5, + .name = "GENERAL 05", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_6, + .name = "GENERAL 06", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_7, + .name = "GENERAL 07", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_8, + .name = "GENERAL 08", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_UART1_TX, + .name = "UART1 TX", + .priority_high = 0, + }, + { + .number = U300_DMA_UART1_RX, + .name = "UART1 RX", + .priority_high = 0, + } +}; #define COHC_2_DEV(cohc) (&cohc->chan.dev->device) @@ -53,13 +1285,11 @@ struct coh901318_base { struct dma_device dma_slave; struct dma_device dma_memcpy; struct coh901318_chan *chans; - struct coh901318_platform *platform; }; struct coh901318_chan { spinlock_t lock; int allocated; - int completed; int id; int stopped; @@ -75,8 +1305,8 @@ struct coh901318_chan { unsigned long nbr_active_done; unsigned long busy; - u32 runtime_addr; - u32 runtime_ctrl; + u32 addr; + u32 ctrl; struct coh901318_base *base; }; @@ -104,61 +1334,38 @@ static void coh901318_list_print(struct coh901318_chan *cohc, static struct coh901318_base *debugfs_dma_base; static struct dentry *dma_dentry; -static int coh901318_debugfs_open(struct inode *inode, struct file *file) -{ - - file->private_data = inode->i_private; - return 0; -} - static int coh901318_debugfs_read(struct file *file, char __user *buf, size_t count, loff_t *f_pos) { u64 started_channels = debugfs_dma_base->pm.started_channels; int pool_count = debugfs_dma_base->pool.debugfs_pool_counter; - int i; - int ret = 0; char *dev_buf; char *tmp; - int dev_size; + int ret; + int i; dev_buf = kmalloc(4*1024, GFP_KERNEL); if (dev_buf == NULL) - goto err_kmalloc; + return -ENOMEM; tmp = dev_buf; tmp += sprintf(tmp, "DMA -- enabled dma channels\n"); - for (i = 0; i < debugfs_dma_base->platform->max_channels; i++) + for (i = 0; i < U300_DMA_CHANNELS; i++) if (started_channels & (1 << i)) tmp += sprintf(tmp, "channel %d\n", i); tmp += sprintf(tmp, "Pool alloc nbr %d\n", pool_count); - dev_size = tmp - dev_buf; - /* No more to read if offset != 0 */ - if (*f_pos > dev_size) - goto out; - - if (count > dev_size - *f_pos) - count = dev_size - *f_pos; - - if (copy_to_user(buf, dev_buf + *f_pos, count)) - ret = -EINVAL; - ret = count; - *f_pos += count; - - out: + ret = simple_read_from_buffer(buf, count, f_pos, dev_buf, + tmp - dev_buf); kfree(dev_buf); return ret; - - err_kmalloc: - return 0; } static const struct file_operations coh901318_debugfs_status_operations = { .owner = THIS_MODULE, - .open = coh901318_debugfs_open, + .open = simple_open, .read = coh901318_debugfs_read, .llseek = default_llseek, }; @@ -194,25 +1401,16 @@ static inline struct coh901318_chan *to_coh901318_chan(struct dma_chan *chan) return container_of(chan, struct coh901318_chan, chan); } -static inline dma_addr_t -cohc_dev_addr(struct coh901318_chan *cohc) -{ - /* Runtime supplied address will take precedence */ - if (cohc->runtime_addr) - return cohc->runtime_addr; - return cohc->base->platform->chan_conf[cohc->id].dev_addr; -} - static inline const struct coh901318_params * cohc_chan_param(struct coh901318_chan *cohc) { - return &cohc->base->platform->chan_conf[cohc->id].param; + return &chan_config[cohc->id].param; } static inline const struct coh_dma_channel * cohc_chan_conf(struct coh901318_chan *cohc) { - return &cohc->base->platform->chan_conf[cohc->id]; + return &chan_config[cohc->id]; } static void enable_powersave(struct coh901318_chan *cohc) @@ -224,12 +1422,6 @@ static void enable_powersave(struct coh901318_chan *cohc) pm->started_channels &= ~(1ULL << cohc->id); - if (!pm->started_channels) { - /* DMA no longer intends to access memory */ - cohc->base->platform->access_memory_state(cohc->base->dev, - false); - } - spin_unlock_irqrestore(&pm->lock, flags); } static void disable_powersave(struct coh901318_chan *cohc) @@ -239,12 +1431,6 @@ static void disable_powersave(struct coh901318_chan *cohc) spin_lock_irqsave(&pm->lock, flags); - if (!pm->started_channels) { - /* DMA intends to access memory */ - cohc->base->platform->access_memory_state(cohc->base->dev, - true); - } - pm->started_channels |= (1ULL << cohc->id); spin_unlock_irqrestore(&pm->lock, flags); @@ -318,20 +1504,6 @@ static int coh901318_prep_linked_list(struct coh901318_chan *cohc, return 0; } -static dma_cookie_t -coh901318_assign_cookie(struct coh901318_chan *cohc, - struct coh901318_desc *cohd) -{ - dma_cookie_t cookie = cohc->chan.cookie; - - if (++cookie < 0) - cookie = 1; - - cohc->chan.cookie = cookie; - cohd->desc.cookie = cookie; - - return cookie; -} static struct coh901318_desc * coh901318_desc_get(struct coh901318_chan *cohc) @@ -601,6 +1773,35 @@ bool coh901318_filter_id(struct dma_chan *chan, void *chan_id) } EXPORT_SYMBOL(coh901318_filter_id); +struct coh901318_filter_args { + struct coh901318_base *base; + unsigned int ch_nr; +}; + +static bool coh901318_filter_base_and_id(struct dma_chan *chan, void *data) +{ + struct coh901318_filter_args *args = data; + + if (&args->base->dma_slave == chan->device && + args->ch_nr == to_coh901318_chan(chan)->id) + return true; + + return false; +} + +static struct dma_chan *coh901318_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct coh901318_filter_args args = { + .base = ofdma->of_dma_data, + .ch_nr = dma_spec->args[0], + }; + dma_cap_mask_t cap; + dma_cap_zero(cap); + dma_cap_set(DMA_SLAVE, cap); + + return dma_request_channel(cap, coh901318_filter_base_and_id, &args); +} /* * DMA channel allocation */ @@ -617,7 +1818,7 @@ static int coh901318_config(struct coh901318_chan *cohc, if (param) p = param; else - p = &cohc->base->platform->chan_conf[channel].param; + p = cohc_chan_param(cohc); /* Clear any pending BE or TC interrupt */ if (channel < 32) { @@ -705,7 +1906,7 @@ static void dma_tasklet(unsigned long data) callback_param = cohd_fin->desc.callback_param; /* sign this job as completed on the channel */ - cohc->completed = cohd_fin->desc.cookie; + dma_cookie_complete(&cohd_fin->desc); /* release the lli allocation and remove the descriptor */ coh901318_lli_free(&cohc->base->pool, &cohd_fin->lli); @@ -929,7 +2130,7 @@ static int coh901318_alloc_chan_resources(struct dma_chan *chan) coh901318_config(cohc, NULL); cohc->allocated = 1; - cohc->completed = chan->cookie = 1; + dma_cookie_init(chan); spin_unlock_irqrestore(&cohc->lock, flags); @@ -966,16 +2167,16 @@ coh901318_tx_submit(struct dma_async_tx_descriptor *tx) desc); struct coh901318_chan *cohc = to_coh901318_chan(tx->chan); unsigned long flags; + dma_cookie_t cookie; spin_lock_irqsave(&cohc->lock, flags); - - tx->cookie = coh901318_assign_cookie(cohc, cohd); + cookie = dma_cookie_assign(tx); coh901318_desc_queue(cohc, cohd); spin_unlock_irqrestore(&cohc->lock, flags); - return tx->cookie; + return cookie; } static struct dma_async_tx_descriptor * @@ -1035,7 +2236,7 @@ coh901318_prep_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, static struct dma_async_tx_descriptor * coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, enum dma_transfer_direction direction, - unsigned long flags) + unsigned long flags, void *context) { struct coh901318_chan *cohc = to_coh901318_chan(chan); struct coh901318_lli *lli; @@ -1054,7 +2255,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (!sgl) goto out; - if (sgl->length == 0) + if (sg_dma_len(sgl) == 0) goto out; spin_lock_irqsave(&cohc->lock, flg); @@ -1073,9 +2274,9 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, * sure the bits you set per peripheral channel are * cleared in the default config from the platform. */ - ctrl_chained |= cohc->runtime_ctrl; - ctrl_last |= cohc->runtime_ctrl; - ctrl |= cohc->runtime_ctrl; + ctrl_chained |= cohc->ctrl; + ctrl_last |= cohc->ctrl; + ctrl |= cohc->ctrl; if (direction == DMA_MEM_TO_DEV) { u32 tx_flags = COH901318_CX_CTRL_PRDD_SOURCE | @@ -1124,7 +2325,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, /* initiate allocated lli list */ ret = coh901318_lli_fill_sg(&cohc->base->pool, lli, sgl, sg_len, - cohc_dev_addr(cohc), + cohc->addr, ctrl_chained, ctrl, ctrl_last, @@ -1165,17 +2366,14 @@ coh901318_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate) { struct coh901318_chan *cohc = to_coh901318_chan(chan); - dma_cookie_t last_used; - dma_cookie_t last_complete; - int ret; + enum dma_status ret; - last_complete = cohc->completed; - last_used = chan->cookie; + ret = dma_cookie_status(chan, cookie, txstate); + if (ret == DMA_COMPLETE) + return ret; - ret = dma_async_is_complete(cookie, last_complete, last_used); + dma_set_residue(txstate, coh901318_get_bytes_left(chan)); - dma_set_tx_state(txstate, last_complete, last_used, - coh901318_get_bytes_left(chan)); if (ret == DMA_IN_PROGRESS && cohc->stopped) ret = DMA_PAUSED; @@ -1270,7 +2468,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, dma_addr_t addr; enum dma_slave_buswidth addr_width; u32 maxburst; - u32 runtime_ctrl = 0; + u32 ctrl = 0; int i = 0; /* We only support mem to per or per to mem transfers */ @@ -1291,7 +2489,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, addr_width); switch (addr_width) { case DMA_SLAVE_BUSWIDTH_1_BYTE: - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_8_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_8_BITS; @@ -1303,7 +2501,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, break; case DMA_SLAVE_BUSWIDTH_2_BYTES: - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_16_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_16_BITS; @@ -1316,7 +2514,7 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, break; case DMA_SLAVE_BUSWIDTH_4_BYTES: /* Direction doesn't matter here, it's 32/32 bits */ - runtime_ctrl |= + ctrl |= COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS; @@ -1333,13 +2531,13 @@ static void coh901318_dma_set_runtimeconfig(struct dma_chan *chan, return; } - runtime_ctrl |= burst_sizes[i].reg; + ctrl |= burst_sizes[i].reg; dev_dbg(COHC_2_DEV(cohc), "selected burst size %d bytes for address width %d bytes, maxburst %d\n", burst_sizes[i].burst_8bit, addr_width, maxburst); - cohc->runtime_addr = addr; - cohc->runtime_ctrl = runtime_ctrl; + cohc->addr = addr; + cohc->ctrl = ctrl; } static int @@ -1457,71 +2655,58 @@ void coh901318_base_init(struct dma_device *dma, const int *pick_chans, static int __init coh901318_probe(struct platform_device *pdev) { int err = 0; - struct coh901318_platform *pdata; struct coh901318_base *base; int irq; struct resource *io; io = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!io) - goto err_get_resource; + return -ENODEV; /* Map DMA controller registers to virtual memory */ - if (request_mem_region(io->start, - resource_size(io), - pdev->dev.driver->name) == NULL) { - err = -EBUSY; - goto err_request_mem; - } - - pdata = pdev->dev.platform_data; - if (!pdata) - goto err_no_platformdata; - - base = kmalloc(ALIGN(sizeof(struct coh901318_base), 4) + - pdata->max_channels * - sizeof(struct coh901318_chan), - GFP_KERNEL); + if (devm_request_mem_region(&pdev->dev, + io->start, + resource_size(io), + pdev->dev.driver->name) == NULL) + return -ENOMEM; + + base = devm_kzalloc(&pdev->dev, + ALIGN(sizeof(struct coh901318_base), 4) + + U300_DMA_CHANNELS * + sizeof(struct coh901318_chan), + GFP_KERNEL); if (!base) - goto err_alloc_coh_dma_channels; + return -ENOMEM; base->chans = ((void *)base) + ALIGN(sizeof(struct coh901318_base), 4); - base->virtbase = ioremap(io->start, resource_size(io)); - if (!base->virtbase) { - err = -ENOMEM; - goto err_no_ioremap; - } + base->virtbase = devm_ioremap(&pdev->dev, io->start, resource_size(io)); + if (!base->virtbase) + return -ENOMEM; base->dev = &pdev->dev; - base->platform = pdata; spin_lock_init(&base->pm.lock); base->pm.started_channels = 0; COH901318_DEBUGFS_ASSIGN(debugfs_dma_base, base); - platform_set_drvdata(pdev, base); - irq = platform_get_irq(pdev, 0); if (irq < 0) - goto err_no_irq; - - err = request_irq(irq, dma_irq_handler, IRQF_DISABLED, - "coh901318", base); - if (err) { - dev_crit(&pdev->dev, - "Cannot allocate IRQ for DMA controller!\n"); - goto err_request_irq; - } + return irq; + + err = devm_request_irq(&pdev->dev, irq, dma_irq_handler, 0, + "coh901318", base); + if (err) + return err; err = coh901318_pool_create(&base->pool, &pdev->dev, sizeof(struct coh901318_lli), 32); if (err) - goto err_pool_create; + return err; /* init channels for device transfers */ - coh901318_base_init(&base->dma_slave, base->platform->chans_slave, + coh901318_base_init(&base->dma_slave, dma_slave_channels, base); dma_cap_zero(base->dma_slave.cap_mask); @@ -1541,7 +2726,7 @@ static int __init coh901318_probe(struct platform_device *pdev) goto err_register_slave; /* init channels for memcpy */ - coh901318_base_init(&base->dma_memcpy, base->platform->chans_memcpy, + coh901318_base_init(&base->dma_memcpy, dma_memcpy_channels, base); dma_cap_zero(base->dma_memcpy.cap_mask); @@ -1564,51 +2749,47 @@ static int __init coh901318_probe(struct platform_device *pdev) if (err) goto err_register_memcpy; + err = of_dma_controller_register(pdev->dev.of_node, coh901318_xlate, + base); + if (err) + goto err_register_of_dma; + + platform_set_drvdata(pdev, base); dev_info(&pdev->dev, "Initialized COH901318 DMA on virtual base 0x%08x\n", (u32) base->virtbase); return err; + err_register_of_dma: + dma_async_device_unregister(&base->dma_memcpy); err_register_memcpy: dma_async_device_unregister(&base->dma_slave); err_register_slave: coh901318_pool_destroy(&base->pool); - err_pool_create: - free_irq(platform_get_irq(pdev, 0), base); - err_request_irq: - err_no_irq: - iounmap(base->virtbase); - err_no_ioremap: - kfree(base); - err_alloc_coh_dma_channels: - err_no_platformdata: - release_mem_region(pdev->resource->start, - resource_size(pdev->resource)); - err_request_mem: - err_get_resource: return err; } -static int __exit coh901318_remove(struct platform_device *pdev) +static int coh901318_remove(struct platform_device *pdev) { struct coh901318_base *base = platform_get_drvdata(pdev); + of_dma_controller_free(pdev->dev.of_node); dma_async_device_unregister(&base->dma_memcpy); dma_async_device_unregister(&base->dma_slave); coh901318_pool_destroy(&base->pool); - free_irq(platform_get_irq(pdev, 0), base); - iounmap(base->virtbase); - kfree(base); - release_mem_region(pdev->resource->start, - resource_size(pdev->resource)); return 0; } +static const struct of_device_id coh901318_dt_match[] = { + { .compatible = "stericsson,coh901318" }, + {}, +}; static struct platform_driver coh901318_driver = { - .remove = __exit_p(coh901318_remove), + .remove = coh901318_remove, .driver = { .name = "coh901318", + .of_match_table = coh901318_dt_match, }, }; |