/* Hardware registers for omap2 and omap3 */
#define OMAP24XX_DMA4_BASE (L4_24XX_BASE + 0x56000)
#define OMAP34XX_DMA4_BASE (L4_34XX_BASE + 0x56000)
+#define OMAP44XX_DMA4_BASE (L4_44XX_BASE + 0x56000)
#define OMAP_DMA4_REVISION 0x00
#define OMAP_DMA4_GCR 0x78
#define OMAP_DMA4_CCFN(n) (0x60 * (n) + 0xc0)
#define OMAP_DMA4_COLOR(n) (0x60 * (n) + 0xc4)
+/* Additional registers available on OMAP4 */
+#define OMAP_DMA4_CDP(n) (0x60 * (n) + 0xd0)
+#define OMAP_DMA4_CNDP(n) (0x60 * (n) + 0xd4)
+#define OMAP_DMA4_CCDN(n) (0x60 * (n) + 0xd8)
+
/* Dummy defines to keep multi-omap compiles happy */
#define OMAP1_DMA_REVISION 0
#define OMAP1_DMA_IRQSTATUS_L0 0
#define OMAP_DMA4_CSSA_U(n) 0
#define OMAP_DMA4_CDSA_L(n) 0
#define OMAP_DMA4_CDSA_U(n) 0
+#define OMAP1_DMA_COLOR(n) 0
/*----------------------------------------------------------------------------*/
#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
+/* DMA request lines for 44xx */
+#define OMAP44XX_DMA_DSS_DISPC_REQ 6 /* S_DMA_5 */
+#define OMAP44XX_DMA_SYS_REQ2 7 /* S_DMA_6 */
+#define OMAP44XX_DMA_ISS_REQ1 9 /* S_DMA_8 */
+#define OMAP44XX_DMA_ISS_REQ2 10 /* S_DMA_9 */
+#define OMAP44XX_DMA_ISS_REQ3 12 /* S_DMA_11 */
+#define OMAP44XX_DMA_ISS_REQ4 13 /* S_DMA_12 */
+#define OMAP44XX_DMA_DSS_RFBI_REQ 14 /* S_DMA_13 */
+#define OMAP44XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
+#define OMAP44XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
+#define OMAP44XX_DMA_MCBSP2_TX 17 /* S_DMA_16 */
+#define OMAP44XX_DMA_MCBSP2_RX 18 /* S_DMA_17 */
+#define OMAP44XX_DMA_MCBSP3_TX 19 /* S_DMA_18 */
+#define OMAP44XX_DMA_MCBSP3_RX 20 /* S_DMA_19 */
+#define OMAP44XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
+#define OMAP44XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
+#define OMAP44XX_DMA_I2C3_TX 25 /* S_DMA_24 */
+#define OMAP44XX_DMA_I2C3_RX 26 /* S_DMA_25 */
+#define OMAP44XX_DMA_I2C1_TX 27 /* S_DMA_26 */
+#define OMAP44XX_DMA_I2C1_RX 28 /* S_DMA_27 */
+#define OMAP44XX_DMA_I2C2_TX 29 /* S_DMA_28 */
+#define OMAP44XX_DMA_I2C2_RX 30 /* S_DMA_29 */
+#define OMAP44XX_DMA_MCBSP4_TX 31 /* S_DMA_30 */
+#define OMAP44XX_DMA_MCBSP4_RX 32 /* S_DMA_31 */
+#define OMAP44XX_DMA_MCBSP1_TX 33 /* S_DMA_32 */
+#define OMAP44XX_DMA_MCBSP1_RX 34 /* S_DMA_33 */
+#define OMAP44XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
+#define OMAP44XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
+#define OMAP44XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
+#define OMAP44XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
+#define OMAP44XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
+#define OMAP44XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
+#define OMAP44XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
+#define OMAP44XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
+#define OMAP44XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
+#define OMAP44XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
+#define OMAP44XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
+#define OMAP44XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
+#define OMAP44XX_DMA_MMC2_TX 47 /* S_DMA_46 */
+#define OMAP44XX_DMA_MMC2_RX 48 /* S_DMA_47 */
+#define OMAP44XX_DMA_UART1_TX 49 /* S_DMA_48 */
+#define OMAP44XX_DMA_UART1_RX 50 /* S_DMA_49 */
+#define OMAP44XX_DMA_UART2_TX 51 /* S_DMA_50 */
+#define OMAP44XX_DMA_UART2_RX 52 /* S_DMA_51 */
+#define OMAP44XX_DMA_UART3_TX 53 /* S_DMA_52 */
+#define OMAP44XX_DMA_UART3_RX 54 /* S_DMA_53 */
+#define OMAP44XX_DMA_UART4_TX 55 /* S_DMA_54 */
+#define OMAP44XX_DMA_UART4_RX 56 /* S_DMA_55 */
+#define OMAP44XX_DMA_MMC4_TX 57 /* S_DMA_56 */
+#define OMAP44XX_DMA_MMC4_RX 58 /* S_DMA_57 */
+#define OMAP44XX_DMA_MMC5_TX 59 /* S_DMA_58 */
+#define OMAP44XX_DMA_MMC5_RX 60 /* S_DMA_59 */
+#define OMAP44XX_DMA_MMC1_TX 61 /* S_DMA_60 */
+#define OMAP44XX_DMA_MMC1_RX 62 /* S_DMA_61 */
+#define OMAP44XX_DMA_SYS_REQ3 64 /* S_DMA_63 */
+#define OMAP44XX_DMA_MCPDM_UP 65 /* S_DMA_64 */
+#define OMAP44XX_DMA_MCPDM_DL 66 /* S_DMA_65 */
+#define OMAP44XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
+#define OMAP44XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
+#define OMAP44XX_DMA_DSS_DSI1_REQ0 72 /* S_DMA_71 */
+#define OMAP44XX_DMA_DSS_DSI1_REQ1 73 /* S_DMA_72 */
+#define OMAP44XX_DMA_DSS_DSI1_REQ2 74 /* S_DMA_73 */
+#define OMAP44XX_DMA_DSS_DSI1_REQ3 75 /* S_DMA_74 */
+#define OMAP44XX_DMA_DSS_HDMI_REQ 76 /* S_DMA_75 */
+#define OMAP44XX_DMA_MMC3_TX 77 /* S_DMA_76 */
+#define OMAP44XX_DMA_MMC3_RX 78 /* S_DMA_77 */
+#define OMAP44XX_DMA_USIM_TX 79 /* S_DMA_78 */
+#define OMAP44XX_DMA_USIM_RX 80 /* S_DMA_79 */
+#define OMAP44XX_DMA_DSS_DSI2_REQ0 81 /* S_DMA_80 */
+#define OMAP44XX_DMA_DSS_DSI2_REQ1 82 /* S_DMA_81 */
+#define OMAP44XX_DMA_DSS_DSI2_REQ2 83 /* S_DMA_82 */
+#define OMAP44XX_DMA_DSS_DSI2_REQ3 84 /* S_DMA_83 */
+#define OMAP44XX_DMA_ABE_REQ0 101 /* S_DMA_100 */
+#define OMAP44XX_DMA_ABE_REQ1 102 /* S_DMA_101 */
+#define OMAP44XX_DMA_ABE_REQ2 103 /* S_DMA_102 */
+#define OMAP44XX_DMA_ABE_REQ3 104 /* S_DMA_103 */
+#define OMAP44XX_DMA_ABE_REQ4 105 /* S_DMA_104 */
+#define OMAP44XX_DMA_ABE_REQ5 106 /* S_DMA_105 */
+#define OMAP44XX_DMA_ABE_REQ6 107 /* S_DMA_106 */
+#define OMAP44XX_DMA_ABE_REQ7 108 /* S_DMA_107 */
+#define OMAP44XX_DMA_I2C4_TX 124 /* S_DMA_123 */
+#define OMAP44XX_DMA_I2C4_RX 125 /* S_DMA_124 */
+
/*----------------------------------------------------------------------------*/
/* Hardware registers for LCD DMA */
#define DMA_THREAD_FIFO_25 (0x02 << 14)
#define DMA_THREAD_FIFO_50 (0x03 << 14)
+/* DMA4_OCP_SYSCONFIG bits */
+#define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12)
+#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8)
+#define DMA_SYSCONFIG_EMUFREE (1 << 5)
+#define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3)
+#define DMA_SYSCONFIG_SOFTRESET (1 << 2)
+#define DMA_SYSCONFIG_AUTOIDLE (1 << 0)
+
+#define DMA_SYSCONFIG_MIDLEMODE(n) ((n) << 12)
+#define DMA_SYSCONFIG_SIDLEMODE(n) ((n) << 3)
+
+#define DMA_IDLEMODE_SMARTIDLE 0x2
+#define DMA_IDLEMODE_NO_IDLE 0x1
+#define DMA_IDLEMODE_FORCE_IDLE 0x0
+
/* Chaining modes*/
#ifndef CONFIG_ARCH_OMAP1
#define OMAP_DMA_STATIC_CHAIN 0x1
/* 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 (*callback) (int lch, u16 ch_status,
void *data),
int *chain_id, int no_of_chans,
int chain_mode,