2 * linux/arch/arm/mach-omap/dsp/dsp_common.h
4 * Header for OMAP DSP driver static part
6 * Copyright (C) 2002-2005 Nokia Corporation
8 * Written by Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 * 2005/06/13: DSP Gateway version 3.3
27 #include "hardware_dsp.h"
29 #define DSPSPACE_SIZE 0x1000000
31 #define omap_set_bit_regw(b,r) \
32 do { omap_writew(omap_readw(r) | (b), (r)); } while(0)
33 #define omap_clr_bit_regw(b,r) \
34 do { omap_writew(omap_readw(r) & ~(b), (r)); } while(0)
35 #define omap_set_bit_regl(b,r) \
36 do { omap_writel(omap_readl(r) | (b), (r)); } while(0)
37 #define omap_clr_bit_regl(b,r) \
38 do { omap_writel(omap_readl(r) & ~(b), (r)); } while(0)
40 #define dspword_to_virt(dw) ((void *)(dspmem_base + ((dw) << 1)))
41 #define dspbyte_to_virt(db) ((void *)(dspmem_base + (db)))
42 #define virt_to_dspword(va) (((unsigned long)(va) - dspmem_base) >> 1)
43 #define virt_to_dspbyte(va) ((unsigned long)(va) - dspmem_base)
44 #define is_dsp_internal_mem(va) \
45 (((unsigned long)(va) >= dspmem_base) && \
46 ((unsigned long)(va) < dspmem_base + dspmem_size))
47 #define is_dspbyte_internal_mem(db) ((db) < dspmem_size)
48 #define is_dspword_internal_mem(dw) (((dw) << 1) < dspmem_size)
51 * MPUI byteswap/wordswap on/off
52 * default setting: wordswap = all, byteswap = APIMEM only
54 #define mpui_wordswap_on() \
57 (omap_readl(MPUI_CTRL) & ~MPUI_CTRL_WORDSWAP_MASK) | \
58 MPUI_CTRL_WORDSWAP_ALL, MPUI_CTRL); \
61 #define mpui_wordswap_off() \
64 (omap_readl(MPUI_CTRL) & ~MPUI_CTRL_WORDSWAP_MASK) | \
65 MPUI_CTRL_WORDSWAP_NONE, MPUI_CTRL); \
68 #define mpui_byteswap_on() \
71 (omap_readl(MPUI_CTRL) & ~MPUI_CTRL_BYTESWAP_MASK) | \
72 MPUI_CTRL_BYTESWAP_API, MPUI_CTRL); \
75 #define mpui_byteswap_off() \
78 (omap_readl(MPUI_CTRL) & ~MPUI_CTRL_BYTESWAP_MASK) | \
79 MPUI_CTRL_BYTESWAP_NONE, MPUI_CTRL); \
83 * TC wordswap on / off
85 #define tc_wordswap() \
87 omap_writel(TC_ENDIANISM_SWAP_WORD | TC_ENDIANISM_EN, \
93 omap_writel(omap_readl(TC_ENDIANISM) & ~TC_ENDIANISM_EN, \
98 * enable priority registers, EMIF, MPUI control logic
100 #define __dsp_enable() omap_set_bit_regw(ARM_RSTCT1_DSP_RST, ARM_RSTCT1)
101 #define __dsp_disable() omap_clr_bit_regw(ARM_RSTCT1_DSP_RST, ARM_RSTCT1)
102 #define __dsp_run() omap_set_bit_regw(ARM_RSTCT1_DSP_EN, ARM_RSTCT1)
103 #define __dsp_reset() omap_clr_bit_regw(ARM_RSTCT1_DSP_EN, ARM_RSTCT1)
105 extern struct clk *dsp_ck_handle;
106 extern struct clk *api_ck_handle;
107 extern unsigned long dspmem_base, dspmem_size,
108 daram_base, daram_size,
109 saram_base, saram_size;
113 CPUSTAT_GBL_IDLE = 1,
114 CPUSTAT_CPU_IDLE = 2,
118 #define cpustat_name(stat) \
119 ((stat == CPUSTAT_RESET) ? "RESET" :\
120 (stat == CPUSTAT_GBL_IDLE) ? "GBL_IDLE" :\
121 (stat == CPUSTAT_CPU_IDLE) ? "CPU_IDLE" :\
122 (stat == CPUSTAT_RUN) ? "RUN" :\
125 int dsp_set_rstvect(unsigned long adr);
126 void dsp_set_idle_boot_base(unsigned long adr, size_t size);
127 void dsp_cpustat_request(enum e_cpustat req);
128 enum e_cpustat dsp_cpustat_get_stat(void);
129 unsigned short dsp_cpustat_get_icrmask(void);
130 void dsp_cpustat_set_icrmask(unsigned short mask);
131 void dsp_register_mem_cb(int (*req_cb)(void), void (*rel_cb)(void));
132 void dsp_unregister_mem_cb(void);