diff options
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat-omap/dma-omap.h | 377 |
2 files changed, 1 insertions, 378 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index c288b76f8e6..37a488aaa2b 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -36,7 +36,7 @@ #include <linux/slab.h> #include <linux/delay.h> -#include <plat-omap/dma-omap.h> +#include <linux/omap-dma.h> /* * MAX_LOGICAL_DMA_CH_COUNT: the maximum number of logical DMA diff --git a/arch/arm/plat-omap/include/plat-omap/dma-omap.h b/arch/arm/plat-omap/include/plat-omap/dma-omap.h deleted file mode 100644 index 6f506ba9e45..00000000000 --- a/arch/arm/plat-omap/include/plat-omap/dma-omap.h +++ /dev/null @@ -1,377 +0,0 @@ -/* - * OMAP DMA handling defines and function - * - * 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 - -#include <linux/platform_device.h> - -#define INT_DMA_LCD 25 - -#define OMAP1_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 OMAP1_DMA_SYNC_IRQ (1 << 6) -#define OMAP2_DMA_PKT_IRQ (1 << 7) -#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8) -#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9) -#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10) -#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11) - -#define OMAP_DMA_CCR_EN (1 << 7) -#define OMAP_DMA_CCR_RD_ACTIVE (1 << 9) -#define OMAP_DMA_CCR_WR_ACTIVE (1 << 10) -#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC (1 << 24) -#define OMAP_DMA_CCR_BUFFERING_DISABLE (1 << 25) - -#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_SYNC_PACKET 0x03 - -#define OMAP_DMA_DST_SYNC_PREFETCH 0x02 -#define OMAP_DMA_SRC_SYNC 0x01 -#define OMAP_DMA_DST_SYNC 0x00 - -#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 - -#define DMA_DEFAULT_FIFO_DEPTH 0x10 -#define DMA_DEFAULT_ARB_RATE 0x01 -/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */ -#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */ -#define DMA_THREAD_RESERVE_ONET (0x01 << 12) -#define DMA_THREAD_RESERVE_TWOT (0x02 << 12) -#define DMA_THREAD_RESERVE_THREET (0x03 << 12) -#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */ -#define DMA_THREAD_FIFO_75 (0x01 << 14) -#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 -#define OMAP_DMA_DYNAMIC_CHAIN 0x2 -#define OMAP_DMA_CHAIN_ACTIVE 0x1 -#define OMAP_DMA_CHAIN_INACTIVE 0x0 -#endif - -#define DMA_CH_PRIO_HIGH 0x1 -#define DMA_CH_PRIO_LOW 0x0 /* Def */ - -/* Errata handling */ -#define IS_DMA_ERRATA(id) (errata & (id)) -#define SET_DMA_ERRATA(id) (errata |= (id)) - -#define DMA_ERRATA_IFRAME_BUFFERING BIT(0x0) -#define DMA_ERRATA_PARALLEL_CHANNELS BIT(0x1) -#define DMA_ERRATA_i378 BIT(0x2) -#define DMA_ERRATA_i541 BIT(0x3) -#define DMA_ERRATA_i88 BIT(0x4) -#define DMA_ERRATA_3_3 BIT(0x5) -#define DMA_ROMCODE_BUG BIT(0x6) - -/* Attributes for OMAP DMA Contrller */ -#define DMA_LINKED_LCH BIT(0x0) -#define GLOBAL_PRIORITY BIT(0x1) -#define RESERVE_CHANNEL BIT(0x2) -#define IS_CSSA_32 BIT(0x3) -#define IS_CDSA_32 BIT(0x4) -#define IS_RW_PRIORITY BIT(0x5) -#define ENABLE_1510_MODE BIT(0x6) -#define SRC_PORT BIT(0x7) -#define DST_PORT BIT(0x8) -#define SRC_INDEX BIT(0x9) -#define DST_INDEX BIT(0xa) -#define IS_BURST_ONLY4 BIT(0xb) -#define CLEAR_CSR_ON_READ BIT(0xc) -#define IS_WORD_16 BIT(0xd) -#define ENABLE_16XX_MODE BIT(0xe) -#define HS_CHANNELS_RESERVED BIT(0xf) - -/* Defines for DMA Capabilities */ -#define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18) -#define DMA_HAS_CONSTANT_FILL_CAPS (0x1 << 19) -#define DMA_HAS_DESCRIPTOR_CAPS (0x3 << 20) - -enum omap_reg_offsets { - -GCR, GSCR, GRST1, HW_ID, -PCH2_ID, PCH0_ID, PCH1_ID, PCHG_ID, -PCHD_ID, CAPS_0, CAPS_1, CAPS_2, -CAPS_3, CAPS_4, PCH2_SR, PCH0_SR, -PCH1_SR, PCHD_SR, REVISION, IRQSTATUS_L0, -IRQSTATUS_L1, IRQSTATUS_L2, IRQSTATUS_L3, IRQENABLE_L0, -IRQENABLE_L1, IRQENABLE_L2, IRQENABLE_L3, SYSSTATUS, -OCP_SYSCONFIG, - -/* omap1+ specific */ -CPC, CCR2, LCH_CTRL, - -/* Common registers for all omap's */ -CSDP, CCR, CICR, CSR, -CEN, CFN, CSFI, CSEI, -CSAC, CDAC, CDEI, -CDFI, CLNK_CTRL, - -/* Channel specific registers */ -CSSA, CDSA, COLOR, -CCEN, CCFN, - -/* omap3630 and omap4 specific */ -CDP, CNDP, CCDN, - -}; - -enum omap_dma_burst_mode { - OMAP_DMA_DATA_BURST_DIS = 0, - OMAP_DMA_DATA_BURST_4, - OMAP_DMA_DATA_BURST_8, - OMAP_DMA_DATA_BURST_16, -}; - -enum end_type { - OMAP_DMA_LITTLE_ENDIAN = 0, - OMAP_DMA_BIG_ENDIAN -}; - -enum omap_dma_color_mode { - OMAP_DMA_COLOR_DIS = 0, - OMAP_DMA_CONSTANT_FILL, - OMAP_DMA_TRANSPARENT_COPY -}; - -enum omap_dma_write_mode { - OMAP_DMA_WRITE_NON_POSTED = 0, - OMAP_DMA_WRITE_POSTED, - OMAP_DMA_WRITE_LAST_NON_POSTED -}; - -enum omap_dma_channel_mode { - OMAP_DMA_LCH_2D = 0, - OMAP_DMA_LCH_G, - OMAP_DMA_LCH_P, - OMAP_DMA_LCH_PD -}; - -struct omap_dma_channel_params { - int data_type; /* data type 8,16,32 */ - int elem_count; /* number of elements in a frame */ - int frame_count; /* number of frames in a element */ - - int src_port; /* Only on OMAP1 REVISIT: Is this needed? */ - int src_amode; /* constant, post increment, indexed, - double indexed */ - unsigned long src_start; /* source address : physical */ - int src_ei; /* source element index */ - int src_fi; /* source frame index */ - - int dst_port; /* Only on OMAP1 REVISIT: Is this needed? */ - int dst_amode; /* constant, post increment, indexed, - double indexed */ - unsigned long dst_start; /* source address : physical */ - int dst_ei; /* source element index */ - int dst_fi; /* source frame index */ - - int trigger; /* trigger attached if the channel is - synchronized */ - int sync_mode; /* sycn on element, frame , block or packet */ - int src_or_dst_synch; /* source synch(1) or destination synch(0) */ - - int ie; /* interrupt enabled */ - - unsigned char read_prio;/* read priority */ - unsigned char write_prio;/* write priority */ - -#ifndef CONFIG_ARCH_OMAP1 - enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */ -#endif -}; - -struct omap_dma_lch { - int next_lch; - int dev_id; - u16 saved_csr; - u16 enabled_irqs; - const char *dev_name; - void (*callback)(int lch, u16 ch_status, void *data); - void *data; - long flags; - /* required for Dynamic chaining */ - int prev_linked_ch; - int next_linked_ch; - int state; - int chain_id; - int status; -}; - -struct omap_dma_dev_attr { - u32 dev_caps; - u16 lch_count; - u16 chan_count; - struct omap_dma_lch *chan; -}; - -/* System DMA platform data structure */ -struct omap_system_dma_plat_info { - struct omap_dma_dev_attr *dma_attr; - u32 errata; - void (*disable_irq_lch)(int lch); - void (*show_dma_caps)(void); - void (*clear_lch_regs)(int lch); - void (*clear_dma)(int lch); - void (*dma_write)(u32 val, int reg, int lch); - u32 (*dma_read)(int reg, int lch); -}; - -#ifdef CONFIG_ARCH_OMAP2PLUS -#define dma_omap2plus() 1 -#else -#define dma_omap2plus() 0 -#endif -#define dma_omap1() (!dma_omap2plus()) -#define dma_omap15xx() ((dma_omap1() && (d->dev_caps & ENABLE_1510_MODE))) -#define dma_omap16xx() ((dma_omap1() && (d->dev_caps & ENABLE_16XX_MODE))) - -extern void omap_set_dma_priority(int lch, 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, - int dma_trigger, int src_or_dst_synch); -extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, - u32 color); -extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode); -extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode); - -extern void omap_set_dma_src_params(int lch, int src_port, int src_amode, - unsigned long src_start, - int src_ei, int src_fi); -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, - int dst_ei, int dst_fi); -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_set_dma_params(int lch, - struct omap_dma_channel_params *params); - -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 int omap_set_dma_callback(int lch, - void (*callback)(int lch, u16 ch_status, void *data), - void *data); -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); -extern int omap_get_dma_active_status(int lch); -extern int omap_dma_running(void); -extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, - int tparams); -extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio, - unsigned char write_prio); -extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype); -extern void omap_set_dma_src_endian_type(int lch, enum end_type etype); -extern int omap_get_dma_index(int lch, int *ei, int *fi); - -void omap_dma_global_context_save(void); -void omap_dma_global_context_restore(void); - -extern void omap_dma_disable_irq(int lch); - -/* Chaining APIs */ -#ifndef CONFIG_ARCH_OMAP1 -extern int omap_request_dma_chain(int dev_id, const char *dev_name, - void (*callback) (int lch, u16 ch_status, - void *data), - int *chain_id, int no_of_chans, - int chain_mode, - struct omap_dma_channel_params params); -extern int omap_free_dma_chain(int chain_id); -extern int omap_dma_chain_a_transfer(int chain_id, int src_start, - int dest_start, int elem_count, - int frame_count, void *callbk_data); -extern int omap_start_dma_chain_transfers(int chain_id); -extern int omap_stop_dma_chain_transfers(int chain_id); -extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi); -extern int omap_get_dma_chain_dst_pos(int chain_id); -extern int omap_get_dma_chain_src_pos(int chain_id); - -extern int omap_modify_dma_chain_params(int chain_id, - struct omap_dma_channel_params params); -extern int omap_dma_chain_status(int chain_id); -#endif - -#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP) -#include <mach/lcd_dma.h> -#else -static inline int omap_lcd_dma_running(void) -{ - return 0; -} -#endif - -#endif /* __ASM_ARCH_DMA_H */ |