/* * linux/include/asm-arm/arch-omap/dma.h * * Copyright (C) 2003 Nokia Corporation * Author: Juha Yrjölä * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H #define MAX_DMA_ADDRESS 0xffffffff #define OMAP_LOGICAL_DMA_CH_COUNT 17 #define OMAP_DMA_NO_DEVICE 0 #define OMAP_DMA_MCSI1_TX 1 #define OMAP_DMA_MCSI1_RX 2 #define OMAP_DMA_I2C_RX 3 #define OMAP_DMA_I2C_TX 4 #define OMAP_DMA_EXT_NDMA_REQ 5 #define OMAP_DMA_EXT_NDMA_REQ2 6 #define OMAP_DMA_UWIRE_TX 7 #define OMAP_DMA_MCBSP1_DMA_TX 8 #define OMAP_DMA_MCBSP1_DMA_RX 9 #define OMAP_DMA_MCBSP3_DMA_TX 10 #define OMAP_DMA_MCBSP3_DMA_RX 11 #define OMAP_DMA_UART1_TX 12 #define OMAP_DMA_UART1_RX 13 #define OMAP_DMA_UART2_TX 14 #define OMAP_DMA_UART2_RX 15 #define OMAP_DMA_MCBSP2_TX 16 #define OMAP_DMA_MCBSP2_RX 17 #define OMAP_DMA_UART3_TX 18 #define OMAP_DMA_UART3_RX 19 #define OMAP_DMA_CAMERA_IF_RX 20 #define OMAP_DMA_MMC_TX 21 #define OMAP_DMA_MMC_RX 22 #define OMAP_DMA_NAND 23 #define OMAP_DMA_IRQ_LCD_LINE 24 #define OMAP_DMA_MEMORY_STICK 25 #define OMAP_DMA_USB_W2FC_RX0 26 #define OMAP_DMA_USB_W2FC_RX1 27 #define OMAP_DMA_USB_W2FC_RX2 28 #define OMAP_DMA_USB_W2FC_TX0 29 #define OMAP_DMA_USB_W2FC_TX1 30 #define OMAP_DMA_USB_W2FC_TX2 31 /* These are only for 1610 */ #define OMAP_DMA_CRYPTO_DES_IN 32 #define OMAP_DMA_SPI_TX 33 #define OMAP_DMA_SPI_RX 34 #define OMAP_DMA_CRYPTO_HASH 35 #define OMAP_DMA_CCP_ATTN 36 #define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37 #define OMAP_DMA_CMT_APE_TX_CHAN_0 38 #define OMAP_DMA_CMT_APE_RV_CHAN_0 39 #define OMAP_DMA_CMT_APE_TX_CHAN_1 40 #define OMAP_DMA_CMT_APE_RV_CHAN_1 41 #define OMAP_DMA_CMT_APE_TX_CHAN_2 42 #define OMAP_DMA_CMT_APE_RV_CHAN_2 43 #define OMAP_DMA_CMT_APE_TX_CHAN_3 44 #define OMAP_DMA_CMT_APE_RV_CHAN_3 45 #define OMAP_DMA_CMT_APE_TX_CHAN_4 46 #define OMAP_DMA_CMT_APE_RV_CHAN_4 47 #define OMAP_DMA_CMT_APE_TX_CHAN_5 48 #define OMAP_DMA_CMT_APE_RV_CHAN_5 49 #define OMAP_DMA_CMT_APE_TX_CHAN_6 50 #define OMAP_DMA_CMT_APE_RV_CHAN_6 51 #define OMAP_DMA_CMT_APE_TX_CHAN_7 52 #define OMAP_DMA_CMT_APE_RV_CHAN_7 53 #define OMAP_DMA_MMC2_TX 54 #define OMAP_DMA_MMC2_RX 55 #define OMAP_DMA_CRYPTO_DES_OUT 56 #define OMAP_DMA_BASE 0xfffed800 #define OMAP_DMA_GCR_REG (OMAP_DMA_BASE + 0x400) #define OMAP_DMA_GSCR_REG (OMAP_DMA_BASE + 0x404) #define OMAP_DMA_GRST_REG (OMAP_DMA_BASE + 0x408) #define OMAP_DMA_HW_ID_REG (OMAP_DMA_BASE + 0x442) #define OMAP_DMA_PCH2_ID_REG (OMAP_DMA_BASE + 0x444) #define OMAP_DMA_PCH0_ID (OMAP_DMA_BASE + 0x446) #define OMAP_DMA_PCH1_ID (OMAP_DMA_BASE + 0x448) #define OMAP_DMA_PCHG_ID (OMAP_DMA_BASE + 0x44a) #define OMAP_DMA_PCHD_ID (OMAP_DMA_BASE + 0x44c) #define OMAP_DMA_CAPS_0_U_REG (OMAP_DMA_BASE + 0x44e) #define OMAP_DMA_CAPS_0_L_REG (OMAP_DMA_BASE + 0x450) #define OMAP_DMA_CAPS_1_U_REG (OMAP_DMA_BASE + 0x452) #define OMAP_DMA_CAPS_1_L_REG (OMAP_DMA_BASE + 0x454) #define OMAP_DMA_CAPS_2_REG (OMAP_DMA_BASE + 0x456) #define OMAP_DMA_CAPS_3_REG (OMAP_DMA_BASE + 0x458) #define OMAP_DMA_CAPS_4_REG (OMAP_DMA_BASE + 0x45a) #define OMAP_DMA_PCH2_SR_REG (OMAP_DMA_BASE + 0x460) #define OMAP_DMA_PCH0_SR_REG (OMAP_DMA_BASE + 0x480) #define OMAP_DMA_PCH1_SR_REG (OMAP_DMA_BASE + 0x482) #define OMAP_DMA_PCHD_SR_REG (OMAP_DMA_BASE + 0x4c0) #define OMAP1510_DMA_LCD_CTRL 0xfffedb00 #define OMAP1510_DMA_LCD_TOP_F1_L 0xfffedb02 #define OMAP1510_DMA_LCD_TOP_F1_U 0xfffedb04 #define OMAP1510_DMA_LCD_BOT_F1_L 0xfffedb06 #define OMAP1510_DMA_LCD_BOT_F1_U 0xfffedb08 #define OMAP1610_DMA_LCD_CSDP 0xfffee3c0 #define OMAP1610_DMA_LCD_CCR 0xfffee3c2 #define OMAP1610_DMA_LCD_CTRL 0xfffee3c4 #define OMAP1610_DMA_LCD_TOP_B1_L 0xfffee3c8 #define OMAP1610_DMA_LCD_TOP_B1_U 0xfffee3ca #define OMAP1610_DMA_LCD_BOT_B1_L 0xfffee3cc #define OMAP1610_DMA_LCD_BOT_B1_U 0xfffee3ce #define OMAP1610_DMA_LCD_TOP_B2_L 0xfffee3d0 #define OMAP1610_DMA_LCD_TOP_B2_U 0xfffee3d2 #define OMAP1610_DMA_LCD_BOT_B2_L 0xfffee3d4 #define OMAP1610_DMA_LCD_BOT_B2_U 0xfffee3d6 #define OMAP1610_DMA_LCD_SRC_EI_B1 0xfffee3d8 #define OMAP1610_DMA_LCD_SRC_FI_B1_L 0xfffee3da #define OMAP1610_DMA_LCD_SRC_EN_B1 0xfffee3e0 #define OMAP1610_DMA_LCD_SRC_FN_B1 0xfffee3e4 #define OMAP1610_DMA_LCD_LCH_CTRL 0xfffee3ea #define OMAP1610_DMA_LCD_SRC_FI_B1_U 0xfffee3f4 /* Every LCh has its own set of the registers below */ #define OMAP_DMA_CSDP_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x00) #define OMAP_DMA_CCR_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x02) #define OMAP_DMA_CICR_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x04) #define OMAP_DMA_CSR_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x06) #define OMAP_DMA_CSSA_L_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x08) #define OMAP_DMA_CSSA_U_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0a) #define OMAP_DMA_CDSA_L_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0c) #define OMAP_DMA_CDSA_U_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0e) #define OMAP_DMA_CEN_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x10) #define OMAP_DMA_CFN_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x12) #define OMAP_DMA_CSFI_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x14) #define OMAP_DMA_CSEI_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x16) #define OMAP_DMA_CSAC_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x18) #define OMAP_DMA_CDAC_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1a) #define OMAP_DMA_CDEI_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1c) #define OMAP_DMA_CDFI_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1e) #define OMAP_DMA_COLOR_L_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x20) #define OMAP_DMA_COLOR_U_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x22) #define OMAP_DMA_CCR2_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x24) #define OMAP_DMA_CLNK_CTRL_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x28) #define OMAP_DMA_LCH_CTRL_REG(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x2a) #define OMAP_DMA_TOUT_IRQ (1 << 0) #define OMAP_DMA_DROP_IRQ (1 << 1) #define OMAP_DMA_HALF_IRQ (1 << 2) #define OMAP_DMA_FRAME_IRQ (1 << 3) #define OMAP_DMA_LAST_IRQ (1 << 4) #define OMAP_DMA_BLOCK_IRQ (1 << 5) #define OMAP_DMA_SYNC_IRQ (1 << 6) #define OMAP_DMA_DATA_TYPE_S8 0x00 #define OMAP_DMA_DATA_TYPE_S16 0x01 #define OMAP_DMA_DATA_TYPE_S32 0x02 #define OMAP_DMA_SYNC_ELEMENT 0x00 #define OMAP_DMA_SYNC_FRAME 0x01 #define OMAP_DMA_SYNC_BLOCK 0x02 #define OMAP_DMA_PORT_EMIFF 0x00 #define OMAP_DMA_PORT_EMIFS 0x01 #define OMAP_DMA_PORT_OCP_T1 0x02 #define OMAP_DMA_PORT_TIPB 0x03 #define OMAP_DMA_PORT_OCP_T2 0x04 #define OMAP_DMA_PORT_MPUI 0x05 #define OMAP_DMA_AMODE_CONSTANT 0x00 #define OMAP_DMA_AMODE_POST_INC 0x01 #define OMAP_DMA_AMODE_SINGLE_IDX 0x02 #define OMAP_DMA_AMODE_DOUBLE_IDX 0x03 /* LCD DMA block numbers */ enum { OMAP_LCD_DMA_B1_TOP, OMAP_LCD_DMA_B1_BOTTOM, OMAP_LCD_DMA_B2_TOP, OMAP_LCD_DMA_B2_BOTTOM }; extern int omap_request_dma(int dev_id, const char *dev_name, void (* callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch); extern void omap_enable_dma_irq(int ch, u16 irq_bits); extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_free_dma(int ch); extern void omap_start_dma(int lch); extern void omap_stop_dma(int lch); extern void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, int frame_count, int sync_mode); extern void omap_set_dma_src_params(int lch, int src_port, int src_amode, unsigned long src_start); extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode, unsigned long dest_start); /* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ extern int omap_dma_in_1510_mode(void); /* LCD DMA functions */ extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data), void *data); extern void omap_free_lcd_dma(void); extern void omap_start_lcd_dma(void); extern void omap_stop_lcd_dma(void); extern void omap_set_lcd_dma_b1(unsigned long addr, u16 fb_xres, u16 fb_yres, int data_type); extern void omap_set_lcd_dma_b1_rotation(int rotate); #endif /* __ASM_ARCH_DMA_H */