diff options
Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c')
-rw-r--r-- | drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c | 100 |
1 files changed, 49 insertions, 51 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c index 73144f1ce45e..292fcee9d6f2 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c @@ -9,7 +9,7 @@ struct bcm2835_audio_instance { struct device *dev; - struct vchi_service_handle *vchi_handle; + unsigned int service_handle; struct completion msg_avail_comp; struct mutex vchi_mutex; struct bcm2835_alsa_stream *alsa_stream; @@ -25,12 +25,12 @@ MODULE_PARM_DESC(force_bulk, "Force use of vchiq bulk for audio"); static void bcm2835_audio_lock(struct bcm2835_audio_instance *instance) { mutex_lock(&instance->vchi_mutex); - vchi_service_use(instance->vchi_handle); + vchiq_use_service(instance->service_handle); } static void bcm2835_audio_unlock(struct bcm2835_audio_instance *instance) { - vchi_service_release(instance->vchi_handle); + vchiq_release_service(instance->service_handle); mutex_unlock(&instance->vchi_mutex); } @@ -44,8 +44,8 @@ static int bcm2835_audio_send_msg_locked(struct bcm2835_audio_instance *instance init_completion(&instance->msg_avail_comp); } - status = vchi_queue_kernel_message(instance->vchi_handle, - m, sizeof(*m)); + status = vchiq_queue_kernel_message(instance->service_handle, + m, sizeof(*m)); if (status) { dev_err(instance->dev, "vchi message queue failed: %d, msg=%d\n", @@ -89,53 +89,51 @@ static int bcm2835_audio_send_simple(struct bcm2835_audio_instance *instance, return bcm2835_audio_send_msg(instance, &m, wait); } -static void audio_vchi_callback(void *param, - const enum vchi_callback_reason reason, - void *msg_handle) +static enum vchiq_status audio_vchi_callback(enum vchiq_reason reason, + struct vchiq_header *header, + unsigned int handle, void *userdata) { - struct bcm2835_audio_instance *instance = param; - struct vc_audio_msg m; - int msg_len; - int status; - - if (reason != VCHI_CALLBACK_MSG_AVAILABLE) - return; + struct bcm2835_audio_instance *instance = vchiq_get_service_userdata(handle); + struct vc_audio_msg *m; - status = vchi_msg_dequeue(instance->vchi_handle, - &m, sizeof(m), &msg_len, VCHI_FLAGS_NONE); - if (status) - return; + if (reason != VCHIQ_MESSAGE_AVAILABLE) + return VCHIQ_SUCCESS; - if (m.type == VC_AUDIO_MSG_TYPE_RESULT) { - instance->result = m.result.success; + m = (void *)header->data; + if (m->type == VC_AUDIO_MSG_TYPE_RESULT) { + instance->result = m->result.success; complete(&instance->msg_avail_comp); - } else if (m.type == VC_AUDIO_MSG_TYPE_COMPLETE) { - if (m.complete.cookie1 != VC_AUDIO_WRITE_COOKIE1 || - m.complete.cookie2 != VC_AUDIO_WRITE_COOKIE2) + } else if (m->type == VC_AUDIO_MSG_TYPE_COMPLETE) { + if (m->complete.cookie1 != VC_AUDIO_WRITE_COOKIE1 || + m->complete.cookie2 != VC_AUDIO_WRITE_COOKIE2) dev_err(instance->dev, "invalid cookie\n"); else bcm2835_playback_fifo(instance->alsa_stream, - m.complete.count); + m->complete.count); } else { - dev_err(instance->dev, "unexpected callback type=%d\n", m.type); + dev_err(instance->dev, "unexpected callback type=%d\n", m->type); } + + vchiq_release_message(handle, header); + return VCHIQ_SUCCESS; } static int -vc_vchi_audio_init(struct vchi_instance_handle *vchi_instance, +vc_vchi_audio_init(struct vchiq_instance *vchiq_instance, struct bcm2835_audio_instance *instance) { - struct service_creation params = { - .version = VCHI_VERSION_EX(VC_AUDIOSERV_VER, VC_AUDIOSERV_MIN_VER), - .service_id = VC_AUDIO_SERVER_NAME, + struct vchiq_service_params params = { + .version = VC_AUDIOSERV_VER, + .version_min = VC_AUDIOSERV_MIN_VER, + .fourcc = VCHIQ_MAKE_FOURCC('A', 'U', 'D', 'S'), .callback = audio_vchi_callback, - .callback_param = instance, + .userdata = instance, }; int status; /* Open the VCHI service connections */ - status = vchi_service_open(vchi_instance, ¶ms, - &instance->vchi_handle); + status = vchiq_open_service(vchiq_instance, ¶ms, + &instance->service_handle); if (status) { dev_err(instance->dev, @@ -145,7 +143,7 @@ vc_vchi_audio_init(struct vchi_instance_handle *vchi_instance, } /* Finished with the service for now */ - vchi_service_release(instance->vchi_handle); + vchiq_release_service(instance->service_handle); return 0; } @@ -155,10 +153,10 @@ static void vc_vchi_audio_deinit(struct bcm2835_audio_instance *instance) int status; mutex_lock(&instance->vchi_mutex); - vchi_service_use(instance->vchi_handle); + vchiq_use_service(instance->service_handle); /* Close all VCHI service connections */ - status = vchi_service_close(instance->vchi_handle); + status = vchiq_close_service(instance->service_handle); if (status) { dev_err(instance->dev, "failed to close VCHI service connection (status=%d)\n", @@ -173,20 +171,20 @@ int bcm2835_new_vchi_ctx(struct device *dev, struct bcm2835_vchi_ctx *vchi_ctx) int ret; /* Initialize and create a VCHI connection */ - ret = vchi_initialise(&vchi_ctx->vchi_instance); + ret = vchiq_initialise(&vchi_ctx->instance); if (ret) { dev_err(dev, "failed to initialise VCHI instance (ret=%d)\n", ret); return -EIO; } - ret = vchi_connect(vchi_ctx->vchi_instance); + ret = vchiq_connect(vchi_ctx->instance); if (ret) { dev_dbg(dev, "failed to connect VCHI instance (ret=%d)\n", ret); - kfree(vchi_ctx->vchi_instance); - vchi_ctx->vchi_instance = NULL; + kfree(vchi_ctx->instance); + vchi_ctx->instance = NULL; return -EIO; } @@ -196,10 +194,10 @@ int bcm2835_new_vchi_ctx(struct device *dev, struct bcm2835_vchi_ctx *vchi_ctx) void bcm2835_free_vchi_ctx(struct bcm2835_vchi_ctx *vchi_ctx) { - /* Close the VCHI connection - it will also free vchi_instance */ - WARN_ON(vchi_disconnect(vchi_ctx->vchi_instance)); + /* Close the VCHI connection - it will also free vchi_ctx->instance */ + WARN_ON(vchiq_shutdown(vchi_ctx->instance)); - vchi_ctx->vchi_instance = NULL; + vchi_ctx->instance = NULL; } int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) @@ -217,7 +215,7 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) instance->alsa_stream = alsa_stream; alsa_stream->instance = instance; - err = vc_vchi_audio_init(vchi_ctx->vchi_instance, + err = vc_vchi_audio_init(vchi_ctx->instance, instance); if (err < 0) goto free_instance; @@ -228,7 +226,8 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) goto deinit; bcm2835_audio_lock(instance); - vchi_get_peer_version(instance->vchi_handle, &instance->peer_version); + vchiq_get_peer_version(instance->service_handle, + &instance->peer_version); bcm2835_audio_unlock(instance); if (instance->peer_version < 2 || force_bulk) instance->max_packet = 0; /* bulk transfer */ @@ -344,16 +343,15 @@ int bcm2835_audio_write(struct bcm2835_alsa_stream *alsa_stream, count = size; if (!instance->max_packet) { /* Send the message to the videocore */ - status = vchi_bulk_queue_transmit(instance->vchi_handle, - src, count, - VCHI_FLAGS_BLOCK_UNTIL_DATA_READ, - NULL); + status = vchiq_bulk_transmit(instance->service_handle, src, + count, NULL, + VCHIQ_BULK_MODE_BLOCKING); } else { while (count > 0) { int bytes = min(instance->max_packet, count); - status = vchi_queue_kernel_message(instance->vchi_handle, - src, bytes); + status = vchiq_queue_kernel_message(instance->service_handle, + src, bytes); src += bytes; count -= bytes; } |