2 * This file is part of OMAP DSP driver (DSP Gateway version 3.3.1)
4 * Copyright (C) 2002-2006 Nokia Corporation. All rights reserved.
6 * Contact: Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 #include "hardware_dsp.h"
25 #include "dsp_common.h"
26 #include <asm/arch/mmu.h>
29 * MAJOR device number: !! allocated arbitrary !!
31 #define OMAP_DSP_CTL_MAJOR 96
32 #define OMAP_DSP_TASK_MAJOR 97
34 #define OLD_BINARY_SUPPORT y
36 #ifdef OLD_BINARY_SUPPORT
37 #define MBREV_3_0 0x0017
38 #define MBREV_3_2 0x0018
41 #define DSP_INIT_PAGE 0xfff000
43 #ifdef CONFIG_ARCH_OMAP1
44 /* idle program will be placed at IDLEPG_BASE. */
45 #define IDLEPG_BASE 0xfffe00
46 #define IDLEPG_SIZE 0x100
47 #endif /* CONFIG_ARCH_OMAP1 */
49 /* timeout value for DSP response */
50 #define DSP_TIMEOUT (10 * HZ)
53 MEM_TYPE_CROSSING = -1,
61 typedef int __bitwise arm_dsp_dir_t;
62 #define DIR_A2D ((__force arm_dsp_dir_t) 1)
63 #define DIR_D2A ((__force arm_dsp_dir_t) 2)
69 CFGSTAT_RESUME, /* request only */
79 /* keep 2 entries for TID_FREE and TID_ANON */
80 #define TASKDEV_MAX 254
82 #define MK32(uw,lw) (((u32)(uw)) << 16 | (lw))
83 #define MKLONG(uw,lw) (((unsigned long)(uw)) << 16 | (lw))
84 #define MKVIRT(uw,lw) dspword_to_virt(MKLONG((uw), (lw)));
93 struct mem_sync_struct {
94 struct sync_seq *DARAM;
95 struct sync_seq *SARAM;
96 struct sync_seq *SDRAM;
99 /* struct mbcmd and union mbcmd_hw must be compatible */
107 #define MBCMD_INIT(h, l, d) { \
119 extern void dsp_mbox_start(void);
120 extern void dsp_mbox_stop(void);
121 extern int dsp_mbox_config(void *p);
122 extern int sync_with_dsp(u16 *syncwd, u16 tid, int try_cnt);
123 extern int __dsp_mbcmd_send_exarg(struct mbcmd *mb, struct mb_exarg *arg,
125 #define dsp_mbcmd_send(mb) __dsp_mbcmd_send_exarg((mb), NULL, 0)
126 #define dsp_mbcmd_send_exarg(mb, arg) __dsp_mbcmd_send_exarg((mb), (arg), 0)
127 extern int dsp_mbcmd_send_and_wait_exarg(struct mbcmd *mb, struct mb_exarg *arg,
128 wait_queue_head_t *q);
129 #define dsp_mbcmd_send_and_wait(mb, q) \
130 dsp_mbcmd_send_and_wait_exarg((mb), NULL, (q))
132 static __inline__ int __mbcompose_send_exarg(u8 cmd_h, u8 cmd_l, u16 data,
133 struct mb_exarg *arg,
136 struct mbcmd mb = MBCMD_INIT(cmd_h, cmd_l, data);
137 return __dsp_mbcmd_send_exarg(&mb, arg, recovery_flag);
139 #define mbcompose_send(cmd_h, cmd_l, data) \
140 __mbcompose_send_exarg(MBOX_CMD_DSP_##cmd_h, (cmd_l), (data), NULL, 0)
141 #define mbcompose_send_exarg(cmd_h, cmd_l, data, arg) \
142 __mbcompose_send_exarg(MBOX_CMD_DSP_##cmd_h, (cmd_l), (data), arg, 0)
143 #define mbcompose_send_recovery(cmd_h, cmd_l, data) \
144 __mbcompose_send_exarg(MBOX_CMD_DSP_##cmd_h, (cmd_l), (data), NULL, 1)
146 static __inline__ int __mbcompose_send_and_wait_exarg(u8 cmd_h, u8 cmd_l,
148 struct mb_exarg *arg,
149 wait_queue_head_t *q)
151 struct mbcmd mb = MBCMD_INIT(cmd_h, cmd_l, data);
152 return dsp_mbcmd_send_and_wait_exarg(&mb, arg, q);
154 #define mbcompose_send_and_wait(cmd_h, cmd_l, data, q) \
155 __mbcompose_send_and_wait_exarg(MBOX_CMD_DSP_##cmd_h, (cmd_l), (data), \
157 #define mbcompose_send_and_wait_exarg(cmd_h, cmd_l, data, arg, q) \
158 __mbcompose_send_and_wait_exarg(MBOX_CMD_DSP_##cmd_h, (cmd_l), (data), \
161 extern struct ipbuf_head *bid_to_ipbuf(u16 bid);
162 extern void ipbuf_start(void);
163 extern void ipbuf_stop(void);
164 extern int ipbuf_config(u16 ln, u16 lsz, void *base);
165 extern int ipbuf_sys_config(void *p, arm_dsp_dir_t dir);
166 extern int ipbuf_p_validate(void *p, arm_dsp_dir_t dir);
167 extern struct ipbuf_head *get_free_ipbuf(u8 tid);
168 extern void release_ipbuf(struct ipbuf_head *ipb_h);
169 extern void balance_ipbuf(void);
170 extern void unuse_ipbuf(struct ipbuf_head *ipb_h);
171 extern void unuse_ipbuf_nowait(struct ipbuf_head *ipb_h);
173 #define release_ipbuf_pvt(ipbuf_pvt) \
175 (ipbuf_pvt)->s = TID_FREE; \
178 extern int mbox_revision;
180 extern int dsp_cfgstat_request(enum cfgstat_e st);
181 extern enum cfgstat_e dsp_cfgstat_get_stat(void);
182 extern int dsp_set_runlevel(u8 level);
184 extern int dsp_task_config_all(u8 n);
185 extern void dsp_task_unconfig_all(void);
186 extern u8 dsp_task_count(void);
187 extern int dsp_taskmod_busy(void);
188 extern int dsp_mkdev(char *name);
189 extern int dsp_rmdev(char *name);
190 extern int dsp_tadd_minor(unsigned char minor, dsp_long_t adr);
191 extern int dsp_tdel_minor(unsigned char minor);
192 extern int dsp_tkill_minor(unsigned char minor);
193 extern long taskdev_state_stale(unsigned char minor);
194 extern int dsp_dbg_config(u16 *buf, u16 sz, u16 lsz);
195 extern void dsp_dbg_stop(void);
197 extern int ipbuf_is_held(u8 tid, u16 bid);
199 extern int dsp_mem_sync_inc(void);
200 extern int dsp_mem_sync_config(struct mem_sync_struct *sync);
201 extern enum dsp_mem_type_e dsp_mem_type(void *vadr, size_t len);
202 extern int dsp_address_validate(void *p, size_t len, char *fmt, ...);
203 #ifdef CONFIG_ARCH_OMAP1
204 extern void dsp_mem_usecount_clear(void);
206 extern void exmap_use(void *vadr, size_t len);
207 extern void exmap_unuse(void *vadr, size_t len);
208 extern unsigned long dsp_virt_to_phys(void *vadr, size_t *len);
209 extern void dsp_mem_start(void);
210 extern void dsp_mem_stop(void);
212 extern void dsp_twch_start(void);
213 extern void dsp_twch_stop(void);
214 extern void dsp_twch_touch(void);
216 extern void dsp_err_start(void);
217 extern void dsp_err_stop(void);
218 extern void dsp_err_set(enum errcode_e code, unsigned long arg);
219 extern void dsp_err_clear(enum errcode_e code);
220 extern int dsp_err_isset(enum errcode_e code);
230 enum cmd_l_type_e cmd_l_type;
231 void (*handler)(struct mbcmd *mb);
234 extern const struct cmdinfo *cmdinfo[];
236 #define cmd_name(mb) (cmdinfo[(mb).cmd_h]->name)
237 extern char *subcmd_name(struct mbcmd *mb);
239 extern void mblog_add(struct mbcmd *mb, arm_dsp_dir_t dir);
241 extern struct omap_mmu dsp_mmu;
243 #define dsp_mem_enable(addr) omap_mmu_mem_enable(&dsp_mmu, (addr))
244 #define dsp_mem_disable(addr) omap_mmu_mem_disable(&dsp_mmu, (addr))