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linux-stable-rt/include/asm-arm/arch-omap/dma.h

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/*
* linux/include/asm-arm/arch-omap/dma.h
*
* Copyright (C) 2003 Nokia Corporation
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
*
* 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_TX 8
#define OMAP_DMA_MCBSP1_RX 9
#define OMAP_DMA_MCBSP3_TX 10
#define OMAP_DMA_MCBSP3_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 (OMAP_DMA_BASE + 0x400)
#define OMAP_DMA_GSCR (OMAP_DMA_BASE + 0x404)
#define OMAP_DMA_GRST (OMAP_DMA_BASE + 0x408)
#define OMAP_DMA_HW_ID (OMAP_DMA_BASE + 0x442)
#define OMAP_DMA_PCH2_ID (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 (OMAP_DMA_BASE + 0x44e)
#define OMAP_DMA_CAPS_0_L (OMAP_DMA_BASE + 0x450)
#define OMAP_DMA_CAPS_1_U (OMAP_DMA_BASE + 0x452)
#define OMAP_DMA_CAPS_1_L (OMAP_DMA_BASE + 0x454)
#define OMAP_DMA_CAPS_2 (OMAP_DMA_BASE + 0x456)
#define OMAP_DMA_CAPS_3 (OMAP_DMA_BASE + 0x458)
#define OMAP_DMA_CAPS_4 (OMAP_DMA_BASE + 0x45a)
#define OMAP_DMA_PCH2_SR (OMAP_DMA_BASE + 0x460)
#define OMAP_DMA_PCH0_SR (OMAP_DMA_BASE + 0x480)
#define OMAP_DMA_PCH1_SR (OMAP_DMA_BASE + 0x482)
#define OMAP_DMA_PCHD_SR (OMAP_DMA_BASE + 0x4c0)
#define OMAP1510_DMA_LCD_BASE (0xfffedb00)
#define OMAP1510_DMA_LCD_CTRL (OMAP1510_DMA_LCD_BASE + 0x00)
#define OMAP1510_DMA_LCD_TOP_F1_L (OMAP1510_DMA_LCD_BASE + 0x02)
#define OMAP1510_DMA_LCD_TOP_F1_U (OMAP1510_DMA_LCD_BASE + 0x04)
#define OMAP1510_DMA_LCD_BOT_F1_L (OMAP1510_DMA_LCD_BASE + 0x06)
#define OMAP1510_DMA_LCD_BOT_F1_U (OMAP1510_DMA_LCD_BASE + 0x08)
#define OMAP1610_DMA_LCD_BASE (0xfffee300)
#define OMAP1610_DMA_LCD_CSDP (OMAP1610_DMA_LCD_BASE + 0xc0)
#define OMAP1610_DMA_LCD_CCR (OMAP1610_DMA_LCD_BASE + 0xc2)
#define OMAP1610_DMA_LCD_CTRL (OMAP1610_DMA_LCD_BASE + 0xc4)
#define OMAP1610_DMA_LCD_TOP_B1_L (OMAP1610_DMA_LCD_BASE + 0xc8)
#define OMAP1610_DMA_LCD_TOP_B1_U (OMAP1610_DMA_LCD_BASE + 0xca)
#define OMAP1610_DMA_LCD_BOT_B1_L (OMAP1610_DMA_LCD_BASE + 0xcc)
#define OMAP1610_DMA_LCD_BOT_B1_U (OMAP1610_DMA_LCD_BASE + 0xce)
#define OMAP1610_DMA_LCD_TOP_B2_L (OMAP1610_DMA_LCD_BASE + 0xd0)
#define OMAP1610_DMA_LCD_TOP_B2_U (OMAP1610_DMA_LCD_BASE + 0xd2)
#define OMAP1610_DMA_LCD_BOT_B2_L (OMAP1610_DMA_LCD_BASE + 0xd4)
#define OMAP1610_DMA_LCD_BOT_B2_U (OMAP1610_DMA_LCD_BASE + 0xd6)
#define OMAP1610_DMA_LCD_SRC_EI_B1 (OMAP1610_DMA_LCD_BASE + 0xd8)
#define OMAP1610_DMA_LCD_SRC_FI_B1_L (OMAP1610_DMA_LCD_BASE + 0xda)
#define OMAP1610_DMA_LCD_SRC_EN_B1 (OMAP1610_DMA_LCD_BASE + 0xe0)
#define OMAP1610_DMA_LCD_SRC_FN_B1 (OMAP1610_DMA_LCD_BASE + 0xe4)
#define OMAP1610_DMA_LCD_LCH_CTRL (OMAP1610_DMA_LCD_BASE + 0xea)
#define OMAP1610_DMA_LCD_SRC_FI_B1_U (OMAP1610_DMA_LCD_BASE + 0xf4)
/* Every LCh has its own set of the registers below */
#define OMAP_DMA_CSDP(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x00)
#define OMAP_DMA_CCR(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x02)
#define OMAP_DMA_CICR(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x04)
#define OMAP_DMA_CSR(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x06)
#define OMAP_DMA_CSSA_L(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x08)
#define OMAP_DMA_CSSA_U(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0a)
#define OMAP_DMA_CDSA_L(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0c)
#define OMAP_DMA_CDSA_U(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x0e)
#define OMAP_DMA_CEN(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x10)
#define OMAP_DMA_CFN(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x12)
#define OMAP_DMA_CSFI(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x14)
#define OMAP_DMA_CSEI(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x16)
#define OMAP_DMA_CSAC(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x18)
#define OMAP_DMA_CDAC(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1a)
#define OMAP_DMA_CDEI(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1c)
#define OMAP_DMA_CDFI(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x1e)
#define OMAP_DMA_COLOR_L(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x20)
#define OMAP_DMA_COLOR_U(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x22)
#define OMAP_DMA_CCR2(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x24)
#define OMAP_DMA_CLNK_CTRL(n) (OMAP_DMA_BASE + 0x40 * (n) + 0x28)
#define OMAP_DMA_LCH_CTRL(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
};
enum omap_dma_burst_mode {
OMAP_DMA_DATA_BURST_DIS = 0,
OMAP_DMA_DATA_BURST_4,
OMAP_DMA_DATA_BURST_8
};
enum omap_dma_color_mode {
OMAP_DMA_COLOR_DIS = 0,
OMAP_DMA_CONSTANT_FILL,
OMAP_DMA_TRANSPARENT_COPY
};
extern void omap_set_dma_priority(int dst_port, int priority);
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_color_mode(int lch, enum omap_dma_color_mode mode,
u32 color);
extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
unsigned long src_start);
extern void omap_set_dma_src_index(int lch, int eidx, int fidx);
extern void omap_set_dma_src_data_pack(int lch, int enable);
extern void omap_set_dma_src_burst_mode(int lch,
enum omap_dma_burst_mode burst_mode);
extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
unsigned long dest_start);
extern void omap_set_dma_dest_index(int lch, int eidx, int fidx);
extern void omap_set_dma_dest_data_pack(int lch, int enable);
extern void omap_set_dma_dest_burst_mode(int lch,
enum omap_dma_burst_mode burst_mode);
extern void omap_dma_link_lch (int lch_head, int lch_queue);
extern void omap_dma_unlink_lch (int lch_head, int lch_queue);
extern dma_addr_t omap_get_dma_src_pos(int lch);
extern dma_addr_t omap_get_dma_dst_pos(int lch);
extern void omap_clear_dma(int lch);
/* 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_setup_lcd_dma(void);
extern void omap_enable_lcd_dma(void);
extern void omap_stop_lcd_dma(void);
extern void omap_set_lcd_dma_ext_controller(int external);
extern void omap_set_lcd_dma_single_transfer(int single);
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);
extern void omap_set_lcd_dma_b1_vxres(unsigned long vxres);
extern void omap_set_lcd_dma_b1_mirror(int mirror);
extern void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale);
#endif /* __ASM_ARCH_DMA_H */
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