diff options
Diffstat (limited to 'drivers/staging/dream/qdsp5/audpp.c')
| -rw-r--r-- | drivers/staging/dream/qdsp5/audpp.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/drivers/staging/dream/qdsp5/audpp.c b/drivers/staging/dream/qdsp5/audpp.c deleted file mode 100644 index d06556eda31..00000000000 --- a/drivers/staging/dream/qdsp5/audpp.c +++ /dev/null @@ -1,429 +0,0 @@ - -/* arch/arm/mach-msm/qdsp5/audpp.c - * - * common code to deal with the AUDPP dsp task (audio postproc) - * - * Copyright (C) 2008 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/wait.h> -#include <linux/delay.h> - -#include <asm/atomic.h> -#include <asm/ioctls.h> -#include <mach/msm_adsp.h> - -#include "audmgr.h" - -#include <mach/qdsp5/qdsp5audppcmdi.h> -#include <mach/qdsp5/qdsp5audppmsg.h> - -/* for queue ids - should be relative to module number*/ -#include "adsp.h" - -#include "evlog.h" - - -enum { - EV_NULL, - EV_ENABLE, - EV_DISABLE, - EV_EVENT, - EV_DATA, -}; - -static const char *dsp_log_strings[] = { - "NULL", - "ENABLE", - "DISABLE", - "EVENT", - "DATA", -}; - -DECLARE_LOG(dsp_log, 64, dsp_log_strings); - -static int __init _dsp_log_init(void) -{ - return ev_log_init(&dsp_log); -} -module_init(_dsp_log_init); -#define LOG(id,arg) ev_log_write(&dsp_log, id, arg) - -static DEFINE_MUTEX(audpp_lock); - -#define CH_COUNT 5 -#define AUDPP_CLNT_MAX_COUNT 6 -#define AUDPP_AVSYNC_INFO_SIZE 7 - -struct audpp_state { - struct msm_adsp_module *mod; - audpp_event_func func[AUDPP_CLNT_MAX_COUNT]; - void *private[AUDPP_CLNT_MAX_COUNT]; - struct mutex *lock; - unsigned open_count; - unsigned enabled; - - /* which channels are actually enabled */ - unsigned avsync_mask; - - /* flags, 48 bits sample/bytes counter per channel */ - uint16_t avsync[CH_COUNT * AUDPP_CLNT_MAX_COUNT + 1]; -}; - -struct audpp_state the_audpp_state = { - .lock = &audpp_lock, -}; - -int audpp_send_queue1(void *cmd, unsigned len) -{ - return msm_adsp_write(the_audpp_state.mod, - QDSP_uPAudPPCmd1Queue, cmd, len); -} -EXPORT_SYMBOL(audpp_send_queue1); - -int audpp_send_queue2(void *cmd, unsigned len) -{ - return msm_adsp_write(the_audpp_state.mod, - QDSP_uPAudPPCmd2Queue, cmd, len); -} -EXPORT_SYMBOL(audpp_send_queue2); - -int audpp_send_queue3(void *cmd, unsigned len) -{ - return msm_adsp_write(the_audpp_state.mod, - QDSP_uPAudPPCmd3Queue, cmd, len); -} -EXPORT_SYMBOL(audpp_send_queue3); - -static int audpp_dsp_config(int enable) -{ - audpp_cmd_cfg cmd; - - cmd.cmd_id = AUDPP_CMD_CFG; - cmd.cfg = enable ? AUDPP_CMD_CFG_ENABLE : AUDPP_CMD_CFG_SLEEP; - - return audpp_send_queue1(&cmd, sizeof(cmd)); -} - -static void audpp_broadcast(struct audpp_state *audpp, unsigned id, - uint16_t *msg) -{ - unsigned n; - for (n = 0; n < AUDPP_CLNT_MAX_COUNT; n++) { - if (audpp->func[n]) - audpp->func[n] (audpp->private[n], id, msg); - } -} - -static void audpp_notify_clnt(struct audpp_state *audpp, unsigned clnt_id, - unsigned id, uint16_t *msg) -{ - if (clnt_id < AUDPP_CLNT_MAX_COUNT && audpp->func[clnt_id]) - audpp->func[clnt_id] (audpp->private[clnt_id], id, msg); -} - -static void audpp_dsp_event(void *data, unsigned id, size_t len, - void (*getevent)(void *ptr, size_t len)) -{ - struct audpp_state *audpp = data; - uint16_t msg[8]; - - if (id == AUDPP_MSG_AVSYNC_MSG) { - getevent(audpp->avsync, sizeof(audpp->avsync)); - - /* mask off any channels we're not watching to avoid - * cases where we might get one last update after - * disabling avsync and end up in an odd state when - * we next read... - */ - audpp->avsync[0] &= audpp->avsync_mask; - return; - } - - getevent(msg, sizeof(msg)); - - LOG(EV_EVENT, (id << 16) | msg[0]); - LOG(EV_DATA, (msg[1] << 16) | msg[2]); - - switch (id) { - case AUDPP_MSG_STATUS_MSG:{ - unsigned cid = msg[0]; - pr_info("audpp: status %d %d %d\n", cid, msg[1], - msg[2]); - if ((cid < 5) && audpp->func[cid]) - audpp->func[cid] (audpp->private[cid], id, msg); - break; - } - case AUDPP_MSG_HOST_PCM_INTF_MSG: - if (audpp->func[5]) - audpp->func[5] (audpp->private[5], id, msg); - break; - case AUDPP_MSG_PCMDMAMISSED: - pr_err("audpp: DMA missed obj=%x\n", msg[0]); - break; - case AUDPP_MSG_CFG_MSG: - if (msg[0] == AUDPP_MSG_ENA_ENA) { - pr_info("audpp: ENABLE\n"); - audpp->enabled = 1; - audpp_broadcast(audpp, id, msg); - } else if (msg[0] == AUDPP_MSG_ENA_DIS) { - pr_info("audpp: DISABLE\n"); - audpp->enabled = 0; - audpp_broadcast(audpp, id, msg); - } else { - pr_err("audpp: invalid config msg %d\n", msg[0]); - } - break; - case AUDPP_MSG_ROUTING_ACK: - audpp_broadcast(audpp, id, msg); - break; - case AUDPP_MSG_FLUSH_ACK: - audpp_notify_clnt(audpp, msg[0], id, msg); - break; - default: - pr_info("audpp: unhandled msg id %x\n", id); - } -} - -static struct msm_adsp_ops adsp_ops = { - .event = audpp_dsp_event, -}; - -static void audpp_fake_event(struct audpp_state *audpp, int id, - unsigned event, unsigned arg) -{ - uint16_t msg[1]; - msg[0] = arg; - audpp->func[id] (audpp->private[id], event, msg); -} - -int audpp_enable(int id, audpp_event_func func, void *private) -{ - struct audpp_state *audpp = &the_audpp_state; - int res = 0; - - if (id < -1 || id > 4) - return -EINVAL; - - if (id == -1) - id = 5; - - mutex_lock(audpp->lock); - if (audpp->func[id]) { - res = -EBUSY; - goto out; - } - - audpp->func[id] = func; - audpp->private[id] = private; - - LOG(EV_ENABLE, 1); - if (audpp->open_count++ == 0) { - pr_info("audpp: enable\n"); - res = msm_adsp_get("AUDPPTASK", &audpp->mod, &adsp_ops, audpp); - if (res < 0) { - pr_err("audpp: cannot open AUDPPTASK\n"); - audpp->open_count = 0; - audpp->func[id] = NULL; - audpp->private[id] = NULL; - goto out; - } - LOG(EV_ENABLE, 2); - msm_adsp_enable(audpp->mod); - audpp_dsp_config(1); - } else { - unsigned long flags; - local_irq_save(flags); - if (audpp->enabled) - audpp_fake_event(audpp, id, - AUDPP_MSG_CFG_MSG, AUDPP_MSG_ENA_ENA); - local_irq_restore(flags); - } - - res = 0; -out: - mutex_unlock(audpp->lock); - return res; -} -EXPORT_SYMBOL(audpp_enable); - -void audpp_disable(int id, void *private) -{ - struct audpp_state *audpp = &the_audpp_state; - unsigned long flags; - - if (id < -1 || id > 4) - return; - - if (id == -1) - id = 5; - - mutex_lock(audpp->lock); - LOG(EV_DISABLE, 1); - if (!audpp->func[id]) - goto out; - if (audpp->private[id] != private) - goto out; - - local_irq_save(flags); - audpp_fake_event(audpp, id, AUDPP_MSG_CFG_MSG, AUDPP_MSG_ENA_DIS); - audpp->func[id] = NULL; - audpp->private[id] = NULL; - local_irq_restore(flags); - - if (--audpp->open_count == 0) { - pr_info("audpp: disable\n"); - LOG(EV_DISABLE, 2); - audpp_dsp_config(0); - msm_adsp_disable(audpp->mod); - msm_adsp_put(audpp->mod); - audpp->mod = NULL; - } -out: - mutex_unlock(audpp->lock); -} -EXPORT_SYMBOL(audpp_disable); - -#define BAD_ID(id) ((id < 0) || (id >= CH_COUNT)) - -void audpp_avsync(int id, unsigned rate) -{ - unsigned long flags; - audpp_cmd_avsync cmd; - - if (BAD_ID(id)) - return; - - local_irq_save(flags); - if (rate) - the_audpp_state.avsync_mask |= (1 << id); - else - the_audpp_state.avsync_mask &= (~(1 << id)); - the_audpp_state.avsync[0] &= the_audpp_state.avsync_mask; - local_irq_restore(flags); - - cmd.cmd_id = AUDPP_CMD_AVSYNC; - cmd.object_number = id; - cmd.interrupt_interval_lsw = rate; - cmd.interrupt_interval_msw = rate >> 16; - audpp_send_queue1(&cmd, sizeof(cmd)); -} -EXPORT_SYMBOL(audpp_avsync); - -unsigned audpp_avsync_sample_count(int id) -{ - uint16_t *avsync = the_audpp_state.avsync; - unsigned val; - unsigned long flags; - unsigned mask; - - if (BAD_ID(id)) - return 0; - - mask = 1 << id; - id = id * AUDPP_AVSYNC_INFO_SIZE + 2; - local_irq_save(flags); - if (avsync[0] & mask) - val = (avsync[id] << 16) | avsync[id + 1]; - else - val = 0; - local_irq_restore(flags); - - return val; -} -EXPORT_SYMBOL(audpp_avsync_sample_count); - -unsigned audpp_avsync_byte_count(int id) -{ - uint16_t *avsync = the_audpp_state.avsync; - unsigned val; - unsigned long flags; - unsigned mask; - - if (BAD_ID(id)) - return 0; - - mask = 1 << id; - id = id * AUDPP_AVSYNC_INFO_SIZE + 5; - local_irq_save(flags); - if (avsync[0] & mask) - val = (avsync[id] << 16) | avsync[id + 1]; - else - val = 0; - local_irq_restore(flags); - - return val; -} -EXPORT_SYMBOL(audpp_avsync_byte_count); - -#define AUDPP_CMD_CFG_OBJ_UPDATE 0x8000 -#define AUDPP_CMD_VOLUME_PAN 0 - -int audpp_set_volume_and_pan(unsigned id, unsigned volume, int pan) -{ - /* cmd, obj_cfg[7], cmd_type, volume, pan */ - uint16_t cmd[11]; - - if (id > 6) - return -EINVAL; - - memset(cmd, 0, sizeof(cmd)); - cmd[0] = AUDPP_CMD_CFG_OBJECT_PARAMS; - cmd[1 + id] = AUDPP_CMD_CFG_OBJ_UPDATE; - cmd[8] = AUDPP_CMD_VOLUME_PAN; - cmd[9] = volume; - cmd[10] = pan; - - return audpp_send_queue3(cmd, sizeof(cmd)); -} -EXPORT_SYMBOL(audpp_set_volume_and_pan); - -int audpp_pause(unsigned id, int pause) -{ - /* pause 1 = pause 0 = resume */ - u16 pause_cmd[AUDPP_CMD_DEC_CTRL_LEN / sizeof(unsigned short)]; - - if (id >= CH_COUNT) - return -EINVAL; - - memset(pause_cmd, 0, sizeof(pause_cmd)); - - pause_cmd[0] = AUDPP_CMD_DEC_CTRL; - if (pause == 1) - pause_cmd[1 + id] = AUDPP_CMD_UPDATE_V | AUDPP_CMD_PAUSE_V; - else if (pause == 0) - pause_cmd[1 + id] = AUDPP_CMD_UPDATE_V | AUDPP_CMD_RESUME_V; - else - return -EINVAL; - - return audpp_send_queue1(pause_cmd, sizeof(pause_cmd)); -} -EXPORT_SYMBOL(audpp_pause); - -int audpp_flush(unsigned id) -{ - u16 flush_cmd[AUDPP_CMD_DEC_CTRL_LEN / sizeof(unsigned short)]; - - if (id >= CH_COUNT) - return -EINVAL; - - memset(flush_cmd, 0, sizeof(flush_cmd)); - - flush_cmd[0] = AUDPP_CMD_DEC_CTRL; - flush_cmd[1 + id] = AUDPP_CMD_UPDATE_V | AUDPP_CMD_FLUSH_V; - - return audpp_send_queue1(flush_cmd, sizeof(flush_cmd)); -} -EXPORT_SYMBOL(audpp_flush); |