diff options
8 files changed, 512 insertions, 279 deletions
diff --git a/recipes-kernel/most/files/0001-aim-network-3.10.31-ltsi-backport.patch b/recipes-kernel/most/files/0001-aim-network-3.10.31-ltsi-backport.patch deleted file mode 100644 index d0bbd72e8..000000000 --- a/recipes-kernel/most/files/0001-aim-network-3.10.31-ltsi-backport.patch +++ /dev/null @@ -1,45 +0,0 @@ -From 4c49b7ad9e3c1e64e4e6042e6fee357b5d9b3df2 Mon Sep 17 00:00:00 2001 -From: Christian Gromm <christian.gromm@microchip.com> -Date: Mon, 23 Jan 2017 14:57:55 +0100 -Subject: [PATCH] aim-network: create backport patch for 3.10.31-ltsi - -Signed-off-by: Christian Gromm <christian.gromm@microchip.com> ---- - aim-network/networking.c | 7 +++---- - 1 file changed, 3 insertions(+), 4 deletions(-) - -diff --git a/aim-network/networking.c b/aim-network/networking.c -index ce1764c..e04b523 100644 ---- a/aim-network/networking.c -+++ b/aim-network/networking.c -@@ -362,8 +362,7 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx, - - if (nd->tx.linked || nd->rx.linked) { - struct net_device *dev = -- alloc_netdev(0, "meth%d", NET_NAME_UNKNOWN, -- most_nd_setup); -+ alloc_netdev(0, "meth%d", most_nd_setup); - - if (!dev) { - pr_err("no memory for net_device\n"); -@@ -483,7 +482,7 @@ static int aim_rx_data(struct mbo *mbo) - - if (nd->is_mamac) { - /* dest */ -- ether_addr_copy(skb_put(skb, ETH_ALEN), dev->dev_addr); -+ memcpy(skb_put(skb, ETH_ALEN), dev->dev_addr, ETH_ALEN); - - /* src */ - memcpy(skb_put(skb, 4), &zero, 4); -@@ -577,7 +576,7 @@ void most_deliver_netinfo(struct most_interface *iface, - if (!is_valid_ether_addr(dev->dev_addr)) { - netdev_info(dev, "set mac %02x-%02x-%02x-%02x-%02x-%02x\n", - m[0], m[1], m[2], m[3], m[4], m[5]); -- ether_addr_copy(dev->dev_addr, m); -+ memcpy(dev->dev_addr, m, ETH_ALEN); - complete(&nd->mac_compl); - } else if (!ether_addr_equal(dev->dev_addr, m)) { - netdev_warn(dev, "reject mac %02x-%02x-%02x-%02x-%02x-%02x\n", --- -2.11.0 - diff --git a/recipes-kernel/most/files/0001-aim-sound-3.10.31-ltsi-backport.patch b/recipes-kernel/most/files/0001-aim-sound-3.10.31-ltsi-backport.patch deleted file mode 100644 index 31e9400df..000000000 --- a/recipes-kernel/most/files/0001-aim-sound-3.10.31-ltsi-backport.patch +++ /dev/null @@ -1,29 +0,0 @@ -From 686130266ff7968edc863d398fba82bd0f78bf29 Mon Sep 17 00:00:00 2001 -From: Christian Gromm <christian.gromm@microchip.com> -Date: Wed, 28 Sep 2016 13:43:36 +0200 -Subject: [PATCH 1/4] backport module - -This patch replaces function snd_card_new() with snd_card_create() to match -AGL/Renesas kernel API. - -Signed-off-by: Christian Gromm <christian.gromm@microchip.com> ---- - aim-sound/sound.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/aim-sound/sound.c b/aim-sound/sound.c -index 3dc625c..af0af2d 100644 ---- a/aim-sound/sound.c -+++ b/aim-sound/sound.c -@@ -595,7 +595,7 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id, - return ret; - } - -- ret = snd_card_new(NULL, -1, card_name, THIS_MODULE, -+ ret = snd_card_create(-1, card_name, THIS_MODULE, - sizeof(*channel), &card); - if (ret < 0) - return ret; --- -1.7.9.5 - diff --git a/recipes-kernel/most/files/0001-let-HDMs-do-the-coherent-memory-allocation.patch b/recipes-kernel/most/files/0001-let-HDMs-do-the-coherent-memory-allocation.patch deleted file mode 100644 index b387faac1..000000000 --- a/recipes-kernel/most/files/0001-let-HDMs-do-the-coherent-memory-allocation.patch +++ /dev/null @@ -1,140 +0,0 @@ -From b4fe384dde3e230d8c252525fcd5297015b147d1 Mon Sep 17 00:00:00 2001 -From: Christian Gromm <christian.gromm@microchip.com> -Date: Wed, 2 Aug 2017 14:51:20 +0200 -Subject: [PATCH 1/5] let HDMs do the coherent memory allocation - -On arm64/aarch64 architectures the allocation of coherent memory -needs a device that has the dma_ops proberly set. That's why the -core module of the MOST driver is no longer able to allocate this -kind of memory. This patch moves the allocation process down to -the HDM layer where the proper devices exist in either the USB -host controller or the platform device. - -Signed-off-by: Christian Gromm <christian.gromm@microchip.com> - - -Signed-off-by: Christian Gromm <christian.gromm@microchip.com> ---- - driver/hdm-dim2/dim2_hdm.c | 12 ++++++++++++ - driver/hdm-usb/hdm_usb.c | 18 ++++++++++++++++++ - driver/include/mostcore.h | 2 ++ - driver/mostcore/core.c | 17 +++++++++++------ - 4 files changed, 43 insertions(+), 6 deletions(-) - -diff --git a/hdm-dim2/dim2_hdm.c b/hdm-dim2/dim2_hdm.c -index 35aee9f..1b164cf 100644 ---- a/hdm-dim2/dim2_hdm.c -+++ b/hdm-dim2/dim2_hdm.c -@@ -722,6 +722,16 @@ static int poison_channel(struct most_interface *most_iface, int ch_idx) - return ret; - } - -+static void *dma_alloc(struct mbo *mbo, u32 size) -+{ -+ return dma_alloc_coherent(NULL, size, &mbo->bus_address, GFP_KERNEL); -+} -+ -+static void dma_free(struct mbo *mbo, u32 size) -+{ -+ dma_free_coherent(NULL, size, mbo->virt_address, mbo->bus_address); -+} -+ - /* - * dim2_probe - dim2 probe handler - * @pdev: platform device structure -@@ -820,6 +830,8 @@ static int dim2_probe(struct platform_device *pdev) - dev->most_iface.channel_vector = dev->capabilities; - dev->most_iface.configure = configure_channel; - dev->most_iface.enqueue = enqueue; -+ dev->most_iface.dma_alloc = dma_alloc; -+ dev->most_iface.dma_free = dma_free; - dev->most_iface.poison_channel = poison_channel; - dev->most_iface.request_netinfo = request_netinfo; - -diff --git a/hdm-usb/hdm_usb.c b/hdm-usb/hdm_usb.c -index 3433646..0b689b5 100644 ---- a/hdm-usb/hdm_usb.c -+++ b/hdm-usb/hdm_usb.c -@@ -629,6 +629,22 @@ _error: - return retval; - } - -+static void *hdm_dma_alloc(struct mbo *mbo, u32 size) -+{ -+ struct most_dev *mdev = to_mdev(mbo->ifp); -+ -+ return usb_alloc_coherent(mdev->usb_device, size, GFP_KERNEL, -+ &mbo->bus_address); -+} -+ -+static void hdm_dma_free(struct mbo *mbo, u32 size) -+{ -+ struct most_dev *mdev = to_mdev(mbo->ifp); -+ -+ usb_free_coherent(mdev->usb_device, size, mbo->virt_address, -+ mbo->bus_address); -+} -+ - /** - * hdm_configure_channel - receive channel configuration from core - * @iface: interface -@@ -1140,6 +1156,8 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id) - mdev->iface.request_netinfo = hdm_request_netinfo; - mdev->iface.enqueue = hdm_enqueue; - mdev->iface.poison_channel = hdm_poison_channel; -+ mdev->iface.dma_alloc = hdm_dma_alloc; -+ mdev->iface.dma_free = hdm_dma_free; - mdev->iface.description = mdev->description; - mdev->iface.num_channels = num_endpoints; - -diff --git a/include/mostcore.h b/include/mostcore.h -index 5f8339b..deefe25 100644 ---- a/include/mostcore.h -+++ b/include/mostcore.h -@@ -241,6 +241,8 @@ struct most_interface { - const char *description; - int num_channels; - struct most_channel_capability *channel_vector; -+ void *(*dma_alloc)(struct mbo *mbo, u32 size); -+ void (*dma_free)(struct mbo *mbo, u32 size); - int (*configure)(struct most_interface *iface, int channel_idx, - struct most_channel_config *channel_config); - int (*enqueue)(struct most_interface *iface, int channel_idx, -diff --git a/mostcore/core.c b/mostcore/core.c -index 4c580d1..931efb9 100644 ---- a/mostcore/core.c -+++ b/mostcore/core.c -@@ -184,8 +184,10 @@ static void most_free_mbo_coherent(struct mbo *mbo) - struct most_c_obj *c = mbo->context; - u16 const coherent_buf_size = c->cfg.buffer_size + c->cfg.extra_len; - -- dma_free_coherent(NULL, coherent_buf_size, mbo->virt_address, -- mbo->bus_address); -+ if (c->iface->dma_free) -+ c->iface->dma_free(mbo, coherent_buf_size); -+ else -+ kfree(mbo->virt_address); - kfree(mbo); - if (atomic_sub_and_test(1, &c->mbo_ref)) - complete(&c->cleanup); -@@ -1289,10 +1291,13 @@ static int arm_mbo_chain(struct most_c_obj *c, int dir, - mbo->context = c; - mbo->ifp = c->iface; - mbo->hdm_channel_id = c->channel_id; -- mbo->virt_address = dma_alloc_coherent(NULL, -- coherent_buf_size, -- &mbo->bus_address, -- GFP_KERNEL); -+ if (c->iface->dma_alloc) { -+ mbo->virt_address = -+ c->iface->dma_alloc(mbo, coherent_buf_size); -+ } else { -+ mbo->virt_address = -+ kzalloc(coherent_buf_size, GFP_KERNEL); -+ } - if (!mbo->virt_address) { - pr_info("WARN: No DMA coherent buffer.\n"); - retval = i; --- -2.7.4 - diff --git a/recipes-kernel/most/files/0001-src-most-net-add-skb_put_data-function.patch b/recipes-kernel/most/files/0001-src-most-net-add-skb_put_data-function.patch new file mode 100644 index 000000000..b9ef59515 --- /dev/null +++ b/recipes-kernel/most/files/0001-src-most-net-add-skb_put_data-function.patch @@ -0,0 +1,33 @@ +From d297f3ec0c45a6cfff6d83d8f0eb1c4a5ed0b95f Mon Sep 17 00:00:00 2001 +From: Christian Gromm <christian.gromm@microchip.com> +Date: Thu, 9 Nov 2017 11:31:27 +0100 +Subject: [PATCH 1/2] src: most: net: add skb_put_data function + +This patch adds the function skb_put_data. It is needed to backport +the sources to kernel versions prior to 4.13. + +Signed-off-by: Christian Gromm <christian.gromm@microchip.com> +--- + driver/aim-network/networking.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/aim-network/networking.c b/aim-network/networking.c +index 936f013..9c3d1eb 100644 +--- a/aim-network/networking.c ++++ b/aim-network/networking.c +@@ -419,6 +419,12 @@ put_nd: + return 0; + } + ++static inline void skb_put_data(struct sk_buff *skb, const void *data, ++ unsigned int len) ++{ ++ memcpy(skb_put(skb, len), data, len); ++} ++ + static int aim_rx_data(struct mbo *mbo) + { + const u32 zero = 0; +-- +2.7.4 + diff --git a/recipes-kernel/most/files/0002-most-pass-parent-devcie-to-snd_card_new.patch b/recipes-kernel/most/files/0002-most-pass-parent-devcie-to-snd_card_new.patch deleted file mode 100644 index 2e341dd94..000000000 --- a/recipes-kernel/most/files/0002-most-pass-parent-devcie-to-snd_card_new.patch +++ /dev/null @@ -1,52 +0,0 @@ -From c4a379b4d3058b153832991ba1a1d697cad06600 Mon Sep 17 00:00:00 2001 -From: Christian Gromm <christian.gromm@microchip.com> -Date: Fri, 1 Sep 2017 13:53:32 +0200 -Subject: [PATCH 2/5] most: pass parent devcie to snd_card_new - -Signed-off-by: Christian Gromm <christian.gromm@microchip.com> ---- - driver/aim-sound/sound.c | 2 +- - driver/hdm-usb/hdm_usb.c | 1 + - driver/include/mostcore.h | 1 + - 3 files changed, 3 insertions(+), 1 deletion(-) - -diff --git a/aim-sound/sound.c b/aim-sound/sound.c -index e4198e5..a2ccc79 100644 ---- a/aim-sound/sound.c -+++ b/aim-sound/sound.c -@@ -595,7 +595,7 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id, - return ret; - } - -- ret = snd_card_new(NULL, -1, card_name, THIS_MODULE, -+ ret = snd_card_new(iface->dev, -1, card_name, THIS_MODULE, - sizeof(*channel), &card); - if (ret < 0) - return ret; -diff --git a/hdm-usb/hdm_usb.c b/hdm-usb/hdm_usb.c -index 0b689b5..0937496 100644 ---- a/hdm-usb/hdm_usb.c -+++ b/hdm-usb/hdm_usb.c -@@ -1160,6 +1160,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id) - mdev->iface.dma_free = hdm_dma_free; - mdev->iface.description = mdev->description; - mdev->iface.num_channels = num_endpoints; -+ mdev->iface.dev = &interface->dev; - - snprintf(mdev->description, sizeof(mdev->description), - "usb_device %d-%s:%d.%d", -diff --git a/include/mostcore.h b/include/mostcore.h -index deefe25..d3523a9 100644 ---- a/include/mostcore.h -+++ b/include/mostcore.h -@@ -237,6 +237,7 @@ struct mbo { - */ - struct most_interface { - struct module *mod; -+ struct device *dev; - enum most_interface_type interface; - const char *description; - int num_channels; --- -2.7.4 - diff --git a/recipes-kernel/most/files/0002-src-most-add-auto-conf-feature.patch b/recipes-kernel/most/files/0002-src-most-add-auto-conf-feature.patch new file mode 100644 index 000000000..dd811c81b --- /dev/null +++ b/recipes-kernel/most/files/0002-src-most-add-auto-conf-feature.patch @@ -0,0 +1,472 @@ +From 9cb7cb85f59509ac445116e9458c502cf6cb74e6 Mon Sep 17 00:00:00 2001 +From: Christian Gromm <christian.gromm@microchip.com> +Date: Thu, 9 Nov 2017 13:20:23 +0100 +Subject: [PATCH 2/2] src: most: add auto conf feature + +This patch adds the auto configuration feature to the driver +sources. It is needed to have the driver configured automatically +upon start up w/o the need for userspace to set up sysfs. + +Signed-off-by: Christian Gromm <christian.gromm@microchip.com> +--- + driver/Makefile | 3 + + driver/default_conf.c | 162 ++++++++++++++++++++++++++++++++++++++++++++++ + driver/include/mostcore.h | 64 ++++++++++++++++++ + driver/mostcore/core.c | 120 ++++++++++++++++++++++++++++------ + 4 files changed, 331 insertions(+), 18 deletions(-) + create mode 100644 driver/default_conf.c + +diff --git a/Makefile b/Makefile +index e77a4b6..6d74ebe 100644 +--- a/Makefile ++++ b/Makefile +@@ -6,6 +6,9 @@ obj-m := mostcore.o + mostcore-y := mostcore/core.o + CFLAGS_core.o := -I$(src)/include/ + ++obj-m += default_conf.o ++CFLAGL_default_conf.o := -I$(src)/include ++ + obj-m += aim_cdev.o + aim_cdev-y := aim-cdev/cdev.o + CFLAGS_cdev.o := -I$(src)/include/ +diff --git a/default_conf.c b/default_conf.c +new file mode 100644 +index 0000000..adb1786 +--- /dev/null ++++ b/default_conf.c +@@ -0,0 +1,162 @@ ++/* ++ * default_conf.c - Default configuration for the MOST channels. ++ * ++ * Copyright (C) 2017, Microchip Technology Germany II GmbH & Co. KG ++ * ++ * 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. ++ * ++ * This file is licensed under GPLv2. ++ */ ++ ++#include "include/mostcore.h" ++#include <linux/module.h> ++ ++static struct most_config_probe config_probes[] = { ++ ++ /* OS81118 Control */ ++ { ++ .ch_name = "ep8f", ++ .cfg = { ++ .direction = MOST_CH_RX, ++ .data_type = MOST_CH_CONTROL, ++ .num_buffers = 16, ++ .buffer_size = 64, ++ }, ++ .aim_name = "cdev", ++ .aim_param = "inic-usb-crx", ++ }, ++ { ++ .ch_name = "ep0f", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_CONTROL, ++ .num_buffers = 16, ++ .buffer_size = 64, ++ }, ++ .aim_name = "cdev", ++ .aim_param = "inic-usb-ctx", ++ }, ++ /* OS81118 Async */ ++ { ++ .ch_name = "ep8e", ++ .cfg = { ++ .direction = MOST_CH_RX, ++ .data_type = MOST_CH_ASYNC, ++ .num_buffers = 20, ++ .buffer_size = 1522, ++ }, ++ .aim_name = "networking", ++ .aim_param = "inic-usb-arx", ++ }, ++ { ++ .ch_name = "ep0e", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_ASYNC, ++ .num_buffers = 20, ++ .buffer_size = 1522, ++ }, ++ .aim_name = "networking", ++ .aim_param = "inic-usb-atx", ++ }, ++ /* OS81210 Control */ ++ { ++ .ch_name = "ep87", ++ .cfg = { ++ .direction = MOST_CH_RX, ++ .data_type = MOST_CH_CONTROL, ++ .num_buffers = 16, ++ .buffer_size = 64, ++ }, ++ .aim_name = "cdev", ++ .aim_param = "inic-usb-crx", ++ }, ++ { ++ .ch_name = "ep07", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_CONTROL, ++ .num_buffers = 16, ++ .buffer_size = 64, ++ }, ++ .aim_name = "cdev", ++ .aim_param = "inic-usb-ctx", ++ }, ++ /* OS81210 Async */ ++ { ++ .ch_name = "ep86", ++ .cfg = { ++ .direction = MOST_CH_RX, ++ .data_type = MOST_CH_ASYNC, ++ .num_buffers = 20, ++ .buffer_size = 1522, ++ }, ++ .aim_name = "networking", ++ .aim_param = "inic-usb-arx", ++ }, ++ { ++ .ch_name = "ep06", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_ASYNC, ++ .num_buffers = 20, ++ .buffer_size = 1522, ++ }, ++ .aim_name = "networking", ++ .aim_param = "inic-usb-atx", ++ }, ++ /* Streaming channels (common for all INICs) */ ++ { ++ .ch_name = "ep01", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_SYNC, ++ .num_buffers = 8, ++ .buffer_size = 2 * 12 * 42, ++ .subbuffer_size = 12, ++ .packets_per_xact = 42, ++ }, ++ .aim_name = "sound", ++ .aim_param = "ep01-6ch.6x16", ++ }, ++ { ++ .ch_name = "ep02", ++ .cfg = { ++ .direction = MOST_CH_TX, ++ .data_type = MOST_CH_ISOC, ++ .num_buffers = 8, ++ .buffer_size = 40 * 188, ++ .subbuffer_size = 188, ++ .packets_per_xact = 2, ++ }, ++ .aim_name = "cdev", ++ .aim_param = "inic-usb-itx1", ++ }, ++ ++ /* sentinel */ ++ {} ++}; ++ ++static struct most_config_set config_set = { ++ .probes = config_probes ++}; ++ ++static int __init mod_init(void) ++{ ++ most_register_config_set(&config_set); ++ return 0; ++} ++ ++static void __exit mod_exit(void) ++{ ++ most_deregister_config_set(&config_set); ++} ++ ++module_init(mod_init); ++module_exit(mod_exit); ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Andrey Shvetsov <andrey.shvetsov@k2l.de>"); ++MODULE_DESCRIPTION("Default configuration for the MOST channels"); +diff --git a/include/mostcore.h b/include/mostcore.h +index dc87121..3c00efb 100644 +--- a/include/mostcore.h ++++ b/include/mostcore.h +@@ -145,6 +145,39 @@ struct most_channel_config { + u16 dbr_size; + }; + ++/** ++ * struct most_config_probe - matching rule, channel configuration and ++ * the optional AIM name used for the automatic configuration and linking ++ * of the channel ++ * @dev_name: optional matching device id ++ * ("usb_device 1-1:1.0," "dim2-12345678", etc.) ++ * @ch_name: matching channel name ("ep8f", "ca2", etc.) ++ * @cfg: configuration that will be applied for the found channel ++ * @aim_name: optional name of the AIM that will be linked to the channel ++ * ("cdev", "networking", "v4l", "sound") ++ * @aim_param: AIM dependent parameter (it is the character device name ++ * for the cdev AIM, PCM format for the audio AIM, etc.) ++ */ ++struct most_config_probe { ++ const char *dev_name; ++ const char *ch_name; ++ struct most_channel_config cfg; ++ const char *aim_name; ++ const char *aim_param; ++}; ++ ++/** ++ * struct most_config_set - the configuration set containing ++ * several automatic configurations for the different channels ++ * @probes: list of the matching rules and the configurations, ++ * that must be ended with the empty structure ++ * @list: list head used by the MostCore ++ */ ++struct most_config_set { ++ const struct most_config_probe *probes; ++ struct list_head list; ++}; ++ + /* + * struct mbo - MOST Buffer Object. + * @context: context for core completion handler +@@ -285,6 +318,37 @@ struct most_aim { + }; + + /** ++ * most_register_config_set - registers the configuration set ++ * ++ * @cfg_set: configuration set to be registered for the future probes ++ * ++ * The function registers the given configuration set. ++ * ++ * It is possible to register or deregister several configuration sets ++ * independently. Different configuration sets may contain the ++ * overlapped matching rules but later registered configuration set has ++ * the higher priority over the prior registered set. ++ * ++ * The only the first matched configuration is applied for each ++ * channel. ++ * ++ * The configuration for the channel is applied at the time of ++ * registration of the parent most_interface. ++ */ ++void most_register_config_set(struct most_config_set *cfg_set); ++ ++/** ++ * most_deregister_config_set - deregisters the prior registered ++ * configuration set ++ * ++ * @cfg_set: configuration set to be deregistered ++ * ++ * The calling of this function does not change the current ++ * configuration of the channels. ++ */ ++void most_deregister_config_set(struct most_config_set *cfg_set); ++ ++/** + * most_register_interface - Registers instance of the interface. + * @iface: Pointer to the interface instance description. + * +diff --git a/mostcore/core.c b/mostcore/core.c +index 9e0a352..6035cf0 100644 +--- a/mostcore/core.c ++++ b/mostcore/core.c +@@ -36,6 +36,8 @@ static struct class *most_class; + static struct device *core_dev; + static struct ida mdev_id; + static int dummy_num_buffers; ++static struct list_head config_probes; ++struct mutex config_probes_mt; /* config_probes */ + + struct most_c_aim_obj { + struct most_aim *ptr; +@@ -918,6 +920,30 @@ most_c_obj *get_channel_by_name(char *mdev, char *mdev_ch) + return c; + } + ++static int link_channel_to_aim(struct most_c_obj *c, struct most_aim *aim, ++ char *aim_param) ++{ ++ int ret; ++ struct most_aim **aim_ptr; ++ ++ if (!c->aim0.ptr) ++ aim_ptr = &c->aim0.ptr; ++ else if (!c->aim1.ptr) ++ aim_ptr = &c->aim1.ptr; ++ else ++ return -ENOSPC; ++ ++ *aim_ptr = aim; ++ ret = aim->probe_channel(c->iface, c->channel_id, ++ &c->cfg, &c->kobj, aim_param); ++ if (ret) { ++ *aim_ptr = NULL; ++ return ret; ++ } ++ ++ return 0; ++} ++ + /** + * add_link_store - store() function for add_link attribute + * @aim_obj: pointer to AIM object +@@ -946,45 +972,33 @@ static ssize_t add_link_store(struct most_aim_obj *aim_obj, + size_t len) + { + struct most_c_obj *c; +- struct most_aim **aim_ptr; + char buffer[STRING_SIZE]; + char *mdev; + char *mdev_ch; +- char *mdev_devnod; ++ char *aim_param; + char devnod_buf[STRING_SIZE]; + int ret; + size_t max_len = min_t(size_t, len + 1, STRING_SIZE); + + strlcpy(buffer, buf, max_len); + +- ret = split_string(buffer, &mdev, &mdev_ch, &mdev_devnod); ++ ret = split_string(buffer, &mdev, &mdev_ch, &aim_param); + if (ret) + return ret; + +- if (!mdev_devnod || *mdev_devnod == 0) { ++ if (!aim_param || *aim_param == 0) { + snprintf(devnod_buf, sizeof(devnod_buf), "%s-%s", mdev, + mdev_ch); +- mdev_devnod = devnod_buf; ++ aim_param = devnod_buf; + } + + c = get_channel_by_name(mdev, mdev_ch); + if (IS_ERR(c)) + return -ENODEV; + +- if (!c->aim0.ptr) +- aim_ptr = &c->aim0.ptr; +- else if (!c->aim1.ptr) +- aim_ptr = &c->aim1.ptr; +- else +- return -ENOSPC; +- +- *aim_ptr = aim_obj->driver; +- ret = aim_obj->driver->probe_channel(c->iface, c->channel_id, +- &c->cfg, &c->kobj, mdev_devnod); +- if (ret) { +- *aim_ptr = NULL; ++ ret = link_channel_to_aim(c, aim_obj->driver, aim_param); ++ if (ret) + return ret; +- } + + return len; + } +@@ -1679,6 +1693,73 @@ int most_deregister_aim(struct most_aim *aim) + } + EXPORT_SYMBOL_GPL(most_deregister_aim); + ++void most_register_config_set(struct most_config_set *cfg_set) ++{ ++ mutex_lock(&config_probes_mt); ++ list_add(&cfg_set->list, &config_probes); ++ mutex_unlock(&config_probes_mt); ++} ++EXPORT_SYMBOL(most_register_config_set); ++ ++void most_deregister_config_set(struct most_config_set *cfg_set) ++{ ++ mutex_lock(&config_probes_mt); ++ list_del(&cfg_set->list); ++ mutex_unlock(&config_probes_mt); ++} ++EXPORT_SYMBOL(most_deregister_config_set); ++ ++static int probe_aim(struct most_c_obj *c, ++ const char *aim_name, const char *aim_param) ++{ ++ struct most_aim_obj *aim_obj; ++ char buf[STRING_SIZE]; ++ ++ list_for_each_entry(aim_obj, &aim_list, list) { ++ if (!strcmp(aim_obj->driver->name, aim_name)) { ++ strlcpy(buf, aim_param ? aim_param : "", sizeof(buf)); ++ return link_channel_to_aim(c, aim_obj->driver, buf); ++ } ++ } ++ return 0; ++} ++ ++static bool probe_config_set(struct most_c_obj *c, ++ const char *dev_name, const char *ch_name, ++ const struct most_config_probe *p) ++{ ++ int err; ++ ++ for (; p->ch_name; p++) { ++ if ((p->dev_name && strcmp(dev_name, p->dev_name)) || ++ strcmp(ch_name, p->ch_name)) ++ continue; ++ ++ c->cfg = p->cfg; ++ if (p->aim_name) { ++ err = probe_aim(c, p->aim_name, p->aim_param); ++ if (err) ++ pr_err("failed to autolink %s to %s: %d\n", ++ ch_name, p->aim_name, err); ++ } ++ return true; ++ } ++ return false; ++} ++ ++static void find_configuration(struct most_c_obj *c, const char *dev_name, ++ const char *ch_name) ++{ ++ struct most_config_set *plist; ++ ++ mutex_lock(&config_probes_mt); ++ list_for_each_entry(plist, &config_probes, list) { ++ if (probe_config_set(c, dev_name, ch_name, plist->probes)) ++ break; ++ } ++ mutex_unlock(&config_probes_mt); ++} ++ + /** + * most_register_interface - registers an interface with core + * @iface: pointer to the instance of the interface description. +@@ -1777,6 +1858,7 @@ struct kobject *most_register_interface(struct most_interface *iface) + mutex_init(&c->start_mutex); + mutex_init(&c->nq_mutex); + list_add_tail(&c->list, &inst->channel_list); ++ find_configuration(c, iface->description, channel_name); + } + pr_info("registered new MOST device mdev%d (%s)\n", + inst->dev_id, iface->description); +@@ -1880,6 +1962,8 @@ static int __init most_init(void) + pr_info("init()\n"); + INIT_LIST_HEAD(&instance_list); + INIT_LIST_HEAD(&aim_list); ++ INIT_LIST_HEAD(&config_probes); ++ mutex_init(&config_probes_mt); + ida_init(&mdev_id); + + err = bus_register(&most_bus); +-- +2.7.4 + diff --git a/recipes-kernel/most/most.bb b/recipes-kernel/most/most.bb index dd676c73c..cbf969b84 100644 --- a/recipes-kernel/most/most.bb +++ b/recipes-kernel/most/most.bb @@ -6,12 +6,10 @@ inherit module PV = "0.1" -SRC_URI = "git://gerrit.automotivelinux.org/gerrit/src/most;protocol=https;branch=${AGL_BRANCH}" -SRC_URI_append_porter = " file://0001-aim-network-3.10.31-ltsi-backport.patch \ - file://0001-aim-sound-3.10.31-ltsi-backport.patch \ - " +SRC_URI = "git://gerrit.automotivelinux.org/gerrit/src/most;protocol=https;branch=master" + S = "${WORKDIR}/git/driver" -SRCREV = "${AGL_DEFAULT_REVISION}" +SRCREV = "794e6dc552e626eb6dd506baf941873414d9ef73" # The inherit of module.bbclass will automatically name module packages with # "kernel-module-" prefix as required by the oe-core build environment. diff --git a/recipes-kernel/most/most.bbappend b/recipes-kernel/most/most.bbappend index 2932ef1e5..092a76060 100644 --- a/recipes-kernel/most/most.bbappend +++ b/recipes-kernel/most/most.bbappend @@ -1,13 +1,9 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/files:" SRC_URI_append = " \ - file://0001-let-HDMs-do-the-coherent-memory-allocation.patch \ - file://0005-most-video-set-V4L2_CAP_DEVICE_CAPS-flag.patch \ - file://0004-most-video-set-device_caps.patch \ + file://0001-src-most-net-add-skb_put_data-function.patch \ + file://0002-src-most-add-auto-conf-feature.patch \ file://0003-core-remove-kernel-log-for-MBO-status.patch \ - file://0002-most-pass-parent-devcie-to-snd_card_new.patch \ + file://0004-most-video-set-device_caps.patch \ + file://0005-most-video-set-V4L2_CAP_DEVICE_CAPS-flag.patch \ " - -SRC_URI_remove_porter = " \ - file://0002-most-pass-parent-devcie-to-snd_card_new.patch \ - " |