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Message-Id: <20200527115400.31391-23-nsaenzjulienne@suse.de>
Date: Wed, 27 May 2020 13:53:27 +0200
From: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To: bcm-kernel-feedback-list@...adcom.com,
linux-rpi-kernel@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
Florian Fainelli <f.fainelli@...il.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>
Cc: kernel-list@...pberrypi.com, laurent.pinchart@...asonboard.com,
gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: [RFC 22/50] staging: vchi: Use enum vchiq_bulk_mode instead of vchi's transmission flags
vchi has a set of transfer flags which almost map 1:1 to vchiq's own
transfer modes. For the sake of simplicity let's use the later and
delete vchi's.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
---
.../bcm2835-audio/bcm2835-vchiq.c | 2 +-
.../vc04_services/bcm2835-audio/bcm2835.h | 1 +
.../vc04_services/interface/vchi/vchi.h | 4 +-
.../interface/vchi/vchi_common.h | 9 ----
.../interface/vchiq_arm/vchiq_shim.c | 44 ++-----------------
.../vc04_services/vc-sm-cma/vc_sm_cma_vchi.c | 1 +
.../vc04_services/vchiq-mmal/mmal-vchiq.c | 4 +-
7 files changed, 10 insertions(+), 55 deletions(-)
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index 68119246f10b..565853ec1e7a 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -348,7 +348,7 @@ int bcm2835_audio_write(struct bcm2835_alsa_stream *alsa_stream,
/* Send the message to the videocore */
status = vchi_bulk_queue_transmit(instance->service,
src, count,
- VCHI_FLAGS_BLOCK_UNTIL_DATA_READ,
+ VCHIQ_BULK_MODE_BLOCKING,
NULL);
} else {
while (count > 0) {
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
index 2a94e825194f..7a0e4ab50fc7 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
@@ -9,6 +9,7 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm-indirect.h>
+#include "interface/vchiq_arm/vchiq_if.h"
#include "interface/vchi/vchi.h"
#define MAX_SUBSTREAMS (8)
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h
index 92ce811fc28d..9a74ca4e1062 100644
--- a/drivers/staging/vc04_services/interface/vchi/vchi.h
+++ b/drivers/staging/vc04_services/interface/vchi/vchi.h
@@ -105,14 +105,14 @@ extern int32_t vchi_held_msg_release(struct vchi_held_msg *message);
extern int32_t vchi_bulk_queue_receive(struct vchi_service *service,
void *data_dst,
uint32_t data_size,
- enum vchi_flags flags,
+ enum vchiq_bulk_mode mode,
void *transfer_handle);
// Routine to queue up data ready for transfer to the other (once they have signalled they are ready)
extern int32_t vchi_bulk_queue_transmit(struct vchi_service *service,
const void *data_src,
uint32_t data_size,
- enum vchi_flags flags,
+ enum vchiq_bulk_mode mode,
void *transfer_handle);
/******************************************************************************
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi_common.h b/drivers/staging/vc04_services/interface/vchi/vchi_common.h
index e07376fe4dfd..52b447c19445 100644
--- a/drivers/staging/vc04_services/interface/vchi/vchi_common.h
+++ b/drivers/staging/vc04_services/interface/vchi/vchi_common.h
@@ -4,15 +4,6 @@
#ifndef VCHI_COMMON_H_
#define VCHI_COMMON_H_
-//flags used when sending messages (must be bitmapped)
-enum vchi_flags {
- VCHI_FLAGS_NONE = 0x0,
- VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE = 0x1, // waits for message to be received, or sent (NB. not the same as being seen on other side)
- VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE = 0x2, // run a callback when message sent
- VCHI_FLAGS_BLOCK_UNTIL_QUEUED = 0x4, // return once the transfer is in a queue ready to go
- VCHI_FLAGS_BLOCK_UNTIL_DATA_READ = 0x10,
-};
-
//callback reasons when an event occurs on a service
enum vchi_callback_reason {
/*
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
index 0466512cfe3c..3a5545e0db6b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
@@ -3,6 +3,7 @@
#include <linux/module.h>
#include <linux/types.h>
+#include "vchiq_if.h"
#include "../vchi/vchi.h"
#include "vchiq.h"
#include "vchiq_core.h"
@@ -57,30 +58,11 @@ EXPORT_SYMBOL(vchi_queue_kernel_message);
*
***********************************************************/
int32_t vchi_bulk_queue_receive(struct vchi_service *service, void *data_dst,
- uint32_t data_size, enum vchi_flags flags,
+ uint32_t data_size, enum vchiq_bulk_mode mode,
void *bulk_handle)
{
- enum vchiq_bulk_mode mode;
enum vchiq_status status;
- switch ((int)flags) {
- case VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE
- | VCHI_FLAGS_BLOCK_UNTIL_QUEUED:
- WARN_ON(!service->callback);
- mode = VCHIQ_BULK_MODE_CALLBACK;
- break;
- case VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE:
- mode = VCHIQ_BULK_MODE_BLOCKING;
- break;
- case VCHI_FLAGS_BLOCK_UNTIL_QUEUED:
- case VCHI_FLAGS_NONE:
- mode = VCHIQ_BULK_MODE_NOCALLBACK;
- break;
- default:
- WARN(1, "unsupported message\n");
- return VCHIQ_ERROR;
- }
-
while (1) {
status = vchiq_bulk_receive(service->handle, data_dst,
data_size, bulk_handle, mode);
@@ -116,31 +98,11 @@ EXPORT_SYMBOL(vchi_bulk_queue_receive);
int32_t vchi_bulk_queue_transmit(struct vchi_service *service,
const void *data_src,
uint32_t data_size,
- enum vchi_flags flags,
+ enum vchiq_bulk_mode mode,
void *bulk_handle)
{
- enum vchiq_bulk_mode mode;
enum vchiq_status status;
- switch ((int)flags) {
- case VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE
- | VCHI_FLAGS_BLOCK_UNTIL_QUEUED:
- WARN_ON(!service->callback);
- mode = VCHIQ_BULK_MODE_CALLBACK;
- break;
- case VCHI_FLAGS_BLOCK_UNTIL_DATA_READ:
- case VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE:
- mode = VCHIQ_BULK_MODE_BLOCKING;
- break;
- case VCHI_FLAGS_BLOCK_UNTIL_QUEUED:
- case VCHI_FLAGS_NONE:
- mode = VCHIQ_BULK_MODE_NOCALLBACK;
- break;
- default:
- WARN(1, "unsupported message\n");
- return VCHIQ_ERROR;
- }
-
while (1) {
status = vchiq_bulk_transmit(service->handle, data_src,
data_size, bulk_handle, mode);
diff --git a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
index 826cac7922d2..b7de8526fc54 100644
--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include <linux/types.h>
+#include "interface/vchiq_arm/vchiq_if.h"
#include "vc_sm_cma_vchi.h"
#define VC_SM_VER 1
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 9f905f529d91..1d9a3f94799a 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -32,6 +32,7 @@
#include "vc-sm-cma/vc_sm_knl.h"
+#include "interface/vchiq_arm/vchiq_if.h"
#include "interface/vchi/vchi.h"
/*
@@ -298,8 +299,7 @@ static void buffer_to_host_work_cb(struct work_struct *work)
* of 4 bytes
*/
(len + 3) & ~3,
- VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE |
- VCHI_FLAGS_BLOCK_UNTIL_QUEUED,
+ VCHIQ_BULK_MODE_CALLBACK,
msg_context);
vchi_service_release(instance->service);
--
2.26.2
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