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author | John Crispin <blogic@openwrt.org> | 2016-02-25 10:14:05 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2016-02-25 10:14:05 +0000 |
commit | 19a174c9ff135ce7198f41d2226b92c646515d26 (patch) | |
tree | 68aa7d5a077cda7c29e257a9303631b48793b483 /target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch | |
parent | ddab8d8608f1f0676ca2155e0415cc59a142af02 (diff) | |
download | master-187ad058-19a174c9ff135ce7198f41d2226b92c646515d26.tar.gz master-187ad058-19a174c9ff135ce7198f41d2226b92c646515d26.tar.bz2 master-187ad058-19a174c9ff135ce7198f41d2226b92c646515d26.zip |
brcm2708: remove linux 4.1 support
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48766 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch b/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch deleted file mode 100644 index 2bcc154760..0000000000 --- a/target/linux/brcm2708/patches-4.1/0139-rpi-ft5406-Use-firmware-API.patch +++ /dev/null @@ -1,138 +0,0 @@ -From 84a67d1c389a117abe7da145521047709fd414d6 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org> -Date: Tue, 21 Jul 2015 19:09:39 +0200 -Subject: [PATCH 139/222] rpi-ft5406: Use firmware API -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Noralf Trønnes <noralf@tronnes.org> ---- - arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts | 1 + - drivers/input/touchscreen/rpi-ft5406.c | 74 ++++++++++------------- - 2 files changed, 32 insertions(+), 43 deletions(-) - ---- a/arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts -+++ b/arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts -@@ -9,6 +9,7 @@ - __overlay__ { - rpi_ft5406: rpi_ft5406 { - compatible = "rpi,rpi-ft5406"; -+ firmware = <&firmware>; - status = "okay"; - }; - }; ---- a/drivers/input/touchscreen/rpi-ft5406.c -+++ b/drivers/input/touchscreen/rpi-ft5406.c -@@ -21,7 +21,7 @@ - #include <linux/kthread.h> - #include <linux/platform_device.h> - #include <asm/io.h> --#include <linux/platform_data/mailbox-bcm2708.h> -+#include <soc/bcm2835/raspberrypi-firmware.h> - - #define MAXIMUM_SUPPORTED_POINTS 10 - struct ft5406_regs { -@@ -49,23 +49,6 @@ struct ft5406 { - struct task_struct * thread; - }; - -- --/* tag part of the message */ --struct vc_msg_tag { -- uint32_t tag_id; /* the message id */ -- uint32_t buffer_size; /* size of the buffer (which in this case is always 8 bytes) */ -- uint32_t data_size; /* amount of data being sent or received */ -- uint32_t val; /* data buffer */ --}; -- --/* message structure to be sent to videocore */ --struct vc_msg { -- uint32_t msg_size; /* simply, sizeof(struct vc_msg) */ -- uint32_t request_code; /* holds various information like the success and number of bytes returned (refer to mailboxes wiki) */ -- struct vc_msg_tag tag; /* the tag structure above to make */ -- uint32_t end_tag; /* an end identifier, should be set to NULL */ --}; -- - /* Thread to poll for touchscreen events - * - * This thread polls the memory based register copy of the ft5406 registers -@@ -136,11 +119,37 @@ static int ft5406_probe(struct platform_ - { - int ret; - struct input_dev * input_dev = input_allocate_device(); -- struct vc_msg request; - struct ft5406 * ts; -+ struct device_node *fw_node; -+ struct rpi_firmware *fw; -+ u32 touchbuf; - - dev_info(&pdev->dev, "Probing device\n"); - -+ fw_node = of_parse_phandle(pdev->dev.of_node, "firmware", 0); -+ if (!fw_node) { -+ dev_err(&pdev->dev, "Missing firmware node\n"); -+ return -ENOENT; -+ } -+ -+ fw = rpi_firmware_get(fw_node); -+ if (!fw) -+ return -EPROBE_DEFER; -+ -+ ret = rpi_firmware_property(fw, RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF, -+ &touchbuf, sizeof(touchbuf)); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to get touch buffer\n"); -+ return ret; -+ } -+ -+ if (!touchbuf) { -+ dev_err(&pdev->dev, "Touchscreen not detected\n"); -+ return -ENODEV; -+ } -+ -+ dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", touchbuf); -+ - ts = kzalloc(sizeof(struct ft5406), GFP_KERNEL); - - if (!ts || !input_dev) { -@@ -174,36 +183,15 @@ static int ft5406_probe(struct platform_ - return ret; - } - -- memset(&request, 0, sizeof request); -- -- request.msg_size = sizeof request; -- request.request_code = VCMSG_PROCESS_REQUEST; -- request.tag.tag_id = VCMSG_GET_TOUCHBUF; -- request.tag.buffer_size = 4; -- request.tag.data_size = 4; -- -- bcm_mailbox_property(&request, sizeof(request)); -- -- if(request.request_code == VCMSG_REQUEST_SUCCESSFUL && request.tag.val != 0) -- { -- dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", request.tag.val); -- } -- else -- { -- input_unregister_device(input_dev); -- kzfree(ts); -- return -1; -- } -- - // mmap the physical memory -- request.tag.val &= ~0xc0000000; -- ts->ts_base = ioremap(request.tag.val, sizeof(*ts->regs)); -+ touchbuf &= ~0xc0000000; -+ ts->ts_base = ioremap(touchbuf, sizeof(*ts->regs)); - if(ts->ts_base == NULL) - { - dev_err(&pdev->dev, "Failed to map physical address\n"); - input_unregister_device(input_dev); - kzfree(ts); -- return -1; -+ return -ENOMEM; - } - - ts->regs = (struct ft5406_regs *) ts->ts_base; |