-/*
- * This file is part of OMAP DSP driver (DSP Gateway version 3.3.1)
- *
- * Copyright (C) 2002-2006 Nokia Corporation. All rights reserved.
- *
- * Contact: Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#ifndef DRIVER_DSP_COMMON_H
-#define DRIVER_DSP_COMMON_H
-
-#include <linux/clk.h>
-#include <asm/arch/mmu.h>
-#include "hardware_dsp.h"
-
-#ifdef CONFIG_ARCH_OMAP2
-#include "../../mach-omap2/prm.h"
-#include "../../mach-omap2/prm_regbits_24xx.h"
-#include "../../mach-omap2/cm.h"
-#include "../../mach-omap2/cm_regbits_24xx.h"
-#endif
-
-#define DSPSPACE_SIZE 0x1000000
-
-#define omap_set_bit_regw(b,r) \
- do { omap_writew(omap_readw(r) | (b), (r)); } while(0)
-#define omap_clr_bit_regw(b,r) \
- do { omap_writew(omap_readw(r) & ~(b), (r)); } while(0)
-#define omap_set_bit_regl(b,r) \
- do { omap_writel(omap_readl(r) | (b), (r)); } while(0)
-#define omap_clr_bit_regl(b,r) \
- do { omap_writel(omap_readl(r) & ~(b), (r)); } while(0)
-#define omap_set_bits_regl(val,mask,r) \
- do { omap_writel((omap_readl(r) & ~(mask)) | (val), (r)); } while(0)
-
-#define dspword_to_virt(dw) ((void *)(dspmem_base + ((dw) << 1)))
-#define dspbyte_to_virt(db) ((void *)(dspmem_base + (db)))
-#define virt_to_dspword(va) \
- ((dsp_long_t)(((unsigned long)(va) - dspmem_base) >> 1))
-#define virt_to_dspbyte(va) \
- ((dsp_long_t)((unsigned long)(va) - dspmem_base))
-#define is_dsp_internal_mem(va) \
- (((unsigned long)(va) >= dspmem_base) && \
- ((unsigned long)(va) < dspmem_base + dspmem_size))
-#define is_dspbyte_internal_mem(db) ((db) < dspmem_size)
-#define is_dspword_internal_mem(dw) (((dw) << 1) < dspmem_size)
-
-#ifdef CONFIG_ARCH_OMAP1
-/*
- * MPUI byteswap/wordswap on/off
- * default setting: wordswap = all, byteswap = APIMEM only
- */
-#define mpui_wordswap_on() \
- omap_set_bits_regl(MPUI_CTRL_WORDSWAP_ALL, MPUI_CTRL_WORDSWAP_MASK, \
- MPUI_CTRL)
-
-#define mpui_wordswap_off() \
- omap_set_bits_regl(MPUI_CTRL_WORDSWAP_NONE, MPUI_CTRL_WORDSWAP_MASK, \
- MPUI_CTRL)
-
-#define mpui_byteswap_on() \
- omap_set_bits_regl(MPUI_CTRL_BYTESWAP_API, MPUI_CTRL_BYTESWAP_MASK, \
- MPUI_CTRL)
-
-#define mpui_byteswap_off() \
- omap_set_bits_regl(MPUI_CTRL_BYTESWAP_NONE, MPUI_CTRL_BYTESWAP_MASK, \
- MPUI_CTRL)
-
-/*
- * TC wordswap on / off
- */
-#define tc_wordswap() \
- do { \
- omap_writel(TC_ENDIANISM_SWAP_WORD | TC_ENDIANISM_EN, \
- TC_ENDIANISM); \
- } while(0)
-
-#define tc_noswap() omap_clr_bit_regl(TC_ENDIANISM_EN, TC_ENDIANISM)
-
-/*
- * enable priority registers, EMIF, MPUI control logic
- */
-#define __dsp_enable() omap_set_bit_regw(ARM_RSTCT1_DSP_RST, ARM_RSTCT1)
-#define __dsp_disable() omap_clr_bit_regw(ARM_RSTCT1_DSP_RST, ARM_RSTCT1)
-#define __dsp_run() omap_set_bit_regw(ARM_RSTCT1_DSP_EN, ARM_RSTCT1)
-#define __dsp_reset() omap_clr_bit_regw(ARM_RSTCT1_DSP_EN, ARM_RSTCT1)
-#endif /* CONFIG_ARCH_OMAP1 */
-
-#ifdef CONFIG_ARCH_OMAP2
-/*
- * PRCM / IPI control logic
- *
- * REVISIT: these macros should probably be static inline functions
- */
-#define __dsp_core_enable() \
- do { prm_write_mod_reg(prm_read_mod_reg(OMAP24XX_DSP_MOD, RM_RSTCTRL) \
- & ~OMAP24XX_RST1_DSP, OMAP24XX_DSP_MOD, RM_RSTCTRL); } while (0)
-#define __dsp_core_disable() \
- do { prm_write_mod_reg(prm_read_mod_reg(OMAP24XX_DSP_MOD, RM_RSTCTRL) \
- | OMAP24XX_RST1_DSP, OMAP24XX_DSP_MOD, RM_RSTCTRL); } while (0)
-#define __dsp_per_enable() \
- do { prm_write_mod_reg(prm_read_mod_reg(OMAP24XX_DSP_MOD, RM_RSTCTRL) \
- & ~OMAP24XX_RST2_DSP, OMAP24XX_DSP_MOD, RM_RSTCTRL); } while (0)
-#define __dsp_per_disable() \
- do { prm_write_mod_reg(prm_read_mod_reg(OMAP24XX_DSP_MOD, RM_RSTCTRL) \
- | OMAP24XX_RST2_DSP, OMAP24XX_DSP_MOD, RM_RSTCTRL); } while (0)
-#endif /* CONFIG_ARCH_OMAP2 */
-
-typedef u32 dsp_long_t; /* must have ability to carry TADD_ABORTADR */
-
-#if defined(CONFIG_ARCH_OMAP1)
-extern struct clk *dsp_ck_handle;
-extern struct clk *api_ck_handle;
-#elif defined(CONFIG_ARCH_OMAP2)
-extern struct clk *dsp_fck_handle;
-extern struct clk *dsp_ick_handle;
-#endif
-extern dsp_long_t dspmem_base, dspmem_size,
- daram_base, daram_size,
- saram_base, saram_size;
-
-enum cpustat_e {
- CPUSTAT_RESET = 0,
-#ifdef CONFIG_ARCH_OMAP1
- CPUSTAT_GBL_IDLE,
- CPUSTAT_CPU_IDLE,
-#endif
- CPUSTAT_RUN,
- CPUSTAT_MAX
-};
-
-int dsp_set_rstvect(dsp_long_t adr);
-dsp_long_t dsp_get_rstvect(void);
-void dsp_set_idle_boot_base(dsp_long_t adr, size_t size);
-void dsp_reset_idle_boot_base(void);
-void dsp_cpustat_request(enum cpustat_e req);
-enum cpustat_e dsp_cpustat_get_stat(void);
-u16 dsp_cpustat_get_icrmask(void);
-void dsp_cpustat_set_icrmask(u16 mask);
-void dsp_register_mem_cb(int (*req_cb)(void), void (*rel_cb)(void));
-void dsp_unregister_mem_cb(void);
-
-#if defined(CONFIG_ARCH_OMAP1)
-static inline void dsp_clk_enable(void) {}
-static inline void dsp_clk_disable(void) {}
-#elif defined(CONFIG_ARCH_OMAP2)
-static inline void dsp_clk_enable(void)
-{
- u32 r;
-
- /*XXX should be handled in mach-omap[1,2] XXX*/
- prm_write_mod_reg(OMAP24XX_FORCESTATE | (1 << OMAP_POWERSTATE_SHIFT),
- OMAP24XX_DSP_MOD, PM_PWSTCTRL);
-
- r = cm_read_mod_reg(OMAP24XX_DSP_MOD, CM_AUTOIDLE);
- r |= OMAP2420_AUTO_DSP_IPI;
- cm_write_mod_reg(r, OMAP24XX_DSP_MOD, CM_AUTOIDLE);
-
- r = cm_read_mod_reg(OMAP24XX_DSP_MOD, CM_CLKSTCTRL);
- r |= OMAP24XX_AUTOSTATE_DSP;
- cm_write_mod_reg(r, OMAP24XX_DSP_MOD, CM_CLKSTCTRL);
-
- clk_enable(dsp_fck_handle);
- clk_enable(dsp_ick_handle);
- __dsp_per_enable();
-}
-static inline void dsp_clk_disable(void)
-{
- __dsp_per_disable();
- clk_disable(dsp_ick_handle);
- clk_disable(dsp_fck_handle);
-
- prm_write_mod_reg(OMAP24XX_FORCESTATE | (3 << OMAP_POWERSTATE_SHIFT),
- OMAP24XX_DSP_MOD, PM_PWSTCTRL);
-}
-#endif
-
-struct dsp_kfunc_device {
- char *name;
- struct clk *fck;
- struct clk *ick;;
- spinlock_t lock;
- int enabled;
- int type;
-#define DSP_KFUNC_DEV_TYPE_COMMON 1
-#define DSP_KFUNC_DEV_TYPE_AUDIO 2
-
- struct list_head entry;
-
- int (*probe)(struct dsp_kfunc_device *, int);
- int (*remove)(struct dsp_kfunc_device *, int);
- int (*enable)(struct dsp_kfunc_device *, int);
- int (*disable)(struct dsp_kfunc_device *, int);
-};
-
-extern int dsp_kfunc_device_register(struct dsp_kfunc_device *);
-
-struct dsp_platform_data {
- struct list_head kdev_list;
-};
-
-struct omap_dsp {
- struct mutex lock;
- int enabled; /* stored peripheral status */
- struct omap_mmu *mmu;
- struct omap_mbox *mbox;
- struct device *dev;
- struct list_head *kdev_list;
- int initialized;
-};
-
-#if defined(CONFIG_ARCH_OMAP1)
-#define command_dvfs_stop(m) (0)
-#define command_dvfs_start(m) (0)
-#elif defined(CONFIG_ARCH_OMAP2)
-#define command_dvfs_stop(m) \
- (((m)->cmd_l == KFUNC_POWER) && ((m)->data == DVFS_STOP))
-#define command_dvfs_start(m) \
- (((m)->cmd_l == KFUNC_POWER) && ((m)->data == DVFS_START))
-#endif
-
-extern struct omap_dsp *omap_dsp;
-
-extern int dsp_late_init(void);
-
-#endif /* DRIVER_DSP_COMMON_H */