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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 16:58:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 16:58:32 -0800
commitff58d005cd10fcd372787cceac547e11cf706ff6 (patch)
tree7e7af56aa1a38731af1ec5f3cf09f13050bb0ff4 /drivers/staging
parent5ab356626f3cf97f00280f17a52e4b5b4a13e038 (diff)
parent9eeb0ed0f30938f31a3d9135a88b9502192c18dd (diff)
Merge tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new drivers: - i.MX6 Video Data Order Adapter's (VDOA) - Toshiba et8ek8 5MP sensor - STM DELTA multi-format video decoder V4L2 driver - SPI connected IR LED - Mediatek IR remote receiver - ZyDAS ZD1301 DVB USB interface driver - new RC keymaps - some very old LIRC drivers got removed from staging - RC core gained support encoding IR scan codes - DVB si2168 gained support for DVBv5 statistics - lirc_sir driver ported to rc-core and promoted from staging - other bug fixes, board additions and driver improvements * tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (230 commits) [media] mtk-vcodec: fix build warnings without DEBUG [media] zd1301: fix building interface driver without demodulator [media] usbtv: add sharpness control [media] cxusb: Use a dma capable buffer also for reading [media] ttpci: address stringop overflow warning [media] dvb-usb-v2: avoid use-after-free [media] add Hama Hybrid DVB-T Stick support [media] et8ek8: Fix compiler / Coccinelle warnings [media] media: fix semicolon.cocci warnings [media] media: exynos4-is: add flags to dummy Exynos IS i2c adapter [media] v4l: of: check for unique lanes in data-lanes and clock-lanes [media] coda/imx-vdoa: constify structs [media] st-delta: debug: trace stream/frame information & summary [media] st-delta: add mjpeg support [media] st-delta: EOS (End Of Stream) support [media] st-delta: rpmsg ipc support [media] st-delta: add memory allocator helper functions [media] st-delta: STiH4xx multi-format video decoder v4l2 driver [media] MAINTAINERS: add st-delta driver [media] ARM: multi_v7_defconfig: enable STMicroelectronics DELTA Support ...
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/media/davinci_vpfe/vpfe_video.c25
-rw-r--r--drivers/staging/media/davinci_vpfe/vpfe_video.h2
-rw-r--r--drivers/staging/media/lirc/Kconfig22
-rw-r--r--drivers/staging/media/lirc/Makefile3
-rw-r--r--drivers/staging/media/lirc/lirc_bt829.c401
-rw-r--r--drivers/staging/media/lirc/lirc_imon.c979
-rw-r--r--drivers/staging/media/lirc/lirc_parallel.c741
-rw-r--r--drivers/staging/media/lirc/lirc_parallel.h26
-rw-r--r--drivers/staging/media/lirc/lirc_sir.c296
-rw-r--r--drivers/staging/media/omap4iss/iss_video.c34
-rw-r--r--drivers/staging/media/s5p-cec/Kconfig2
-rw-r--r--drivers/staging/media/s5p-cec/exynos_hdmi_cec.h1
-rw-r--r--drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c5
13 files changed, 103 insertions, 2434 deletions
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index c27d7e9a1bdb..8b2117ee0f60 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -129,7 +129,7 @@ __vpfe_video_get_format(struct vpfe_video_device *video,
/* make a note of pipeline details */
static int vpfe_prepare_pipeline(struct vpfe_video_device *video)
{
- struct media_entity_graph graph;
+ struct media_graph graph;
struct media_entity *entity = &video->video_dev.entity;
struct media_device *mdev = entity->graph_obj.mdev;
struct vpfe_pipeline *pipe = &video->pipe;
@@ -145,13 +145,13 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video)
pipe->outputs[pipe->output_num++] = video;
mutex_lock(&mdev->graph_mutex);
- ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev);
+ ret = media_graph_walk_init(&graph, mdev);
if (ret) {
mutex_unlock(&mdev->graph_mutex);
return -ENOMEM;
}
- media_entity_graph_walk_start(&graph, entity);
- while ((entity = media_entity_graph_walk_next(&graph))) {
+ media_graph_walk_start(&graph, entity);
+ while ((entity = media_graph_walk_next(&graph))) {
if (entity == &video->video_dev.entity)
continue;
if (!is_media_entity_v4l2_video_device(entity))
@@ -162,7 +162,7 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video)
else
pipe->outputs[pipe->output_num++] = far_end;
}
- media_entity_graph_walk_cleanup(&graph);
+ media_graph_walk_cleanup(&graph);
mutex_unlock(&mdev->graph_mutex);
return 0;
@@ -300,12 +300,11 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe)
mdev = entity->graph_obj.mdev;
mutex_lock(&mdev->graph_mutex);
- ret = media_entity_graph_walk_init(&pipe->graph,
- entity->graph_obj.mdev);
+ ret = media_graph_walk_init(&pipe->graph, mdev);
if (ret)
goto out;
- media_entity_graph_walk_start(&pipe->graph, entity);
- while ((entity = media_entity_graph_walk_next(&pipe->graph))) {
+ media_graph_walk_start(&pipe->graph, entity);
+ while ((entity = media_graph_walk_next(&pipe->graph))) {
if (!is_media_entity_v4l2_subdev(entity))
continue;
@@ -316,7 +315,7 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe)
}
out:
if (ret)
- media_entity_graph_walk_cleanup(&pipe->graph);
+ media_graph_walk_cleanup(&pipe->graph);
mutex_unlock(&mdev->graph_mutex);
return ret;
}
@@ -346,9 +345,9 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe)
mdev = entity->graph_obj.mdev;
mutex_lock(&mdev->graph_mutex);
- media_entity_graph_walk_start(&pipe->graph, entity);
+ media_graph_walk_start(&pipe->graph, entity);
- while ((entity = media_entity_graph_walk_next(&pipe->graph))) {
+ while ((entity = media_graph_walk_next(&pipe->graph))) {
if (!is_media_entity_v4l2_subdev(entity))
continue;
@@ -359,7 +358,7 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe)
}
mutex_unlock(&mdev->graph_mutex);
- media_entity_graph_walk_cleanup(&pipe->graph);
+ media_graph_walk_cleanup(&pipe->graph);
return ret ? -ETIMEDOUT : 0;
}
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.h b/drivers/staging/media/davinci_vpfe/vpfe_video.h
index aaec4403df3b..22136d3dadcb 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.h
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.h
@@ -52,7 +52,7 @@ enum vpfe_video_state {
struct vpfe_pipeline {
/* media pipeline */
struct media_pipeline *pipe;
- struct media_entity_graph graph;
+ struct media_graph graph;
/* state of the pipeline, continuous,
* single-shot or stopped
*/
diff --git a/drivers/staging/media/lirc/Kconfig b/drivers/staging/media/lirc/Kconfig
index 25b7e7ccf554..bc67da254262 100644
--- a/drivers/staging/media/lirc/Kconfig
+++ b/drivers/staging/media/lirc/Kconfig
@@ -12,26 +12,6 @@ menuconfig LIRC_STAGING
if LIRC_STAGING
-config LIRC_BT829
- tristate "BT829 based hardware"
- depends on LIRC && PCI
- help
- Driver for the IR interface on BT829-based hardware
-
-config LIRC_IMON
- tristate "Legacy SoundGraph iMON Receiver and Display"
- depends on LIRC && USB
- help
- Driver for the original SoundGraph iMON IR Receiver and Display
-
- Current generation iMON devices use the input layer imon driver.
-
-config LIRC_PARALLEL
- tristate "Homebrew Parallel Port Receiver"
- depends on LIRC && PARPORT
- help
- Driver for Homebrew Parallel Port Receivers
-
config LIRC_SASEM
tristate "Sasem USB IR Remote"
depends on LIRC && USB
@@ -40,7 +20,7 @@ config LIRC_SASEM
config LIRC_SIR
tristate "Built-in SIR IrDA port"
- depends on LIRC
+ depends on RC_CORE
help
Driver for the SIR IrDA port
diff --git a/drivers/staging/media/lirc/Makefile b/drivers/staging/media/lirc/Makefile
index 7f919eab1989..28740c94349c 100644
--- a/drivers/staging/media/lirc/Makefile
+++ b/drivers/staging/media/lirc/Makefile
@@ -3,9 +3,6 @@
# Each configuration option enables a list of files.
-obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o
-obj-$(CONFIG_LIRC_IMON) += lirc_imon.o
-obj-$(CONFIG_LIRC_PARALLEL) += lirc_parallel.o
obj-$(CONFIG_LIRC_SASEM) += lirc_sasem.o
obj-$(CONFIG_LIRC_SIR) += lirc_sir.o
obj-$(CONFIG_LIRC_ZILOG) += lirc_zilog.o
diff --git a/drivers/staging/media/lirc/lirc_bt829.c b/drivers/staging/media/lirc/lirc_bt829.c
deleted file mode 100644
index 04d881b391c7..000000000000
--- a/drivers/staging/media/lirc/lirc_bt829.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/*
- * Remote control driver for the TV-card based on bt829
- *
- * by Leonid Froenchenko <lfroen@galileo.co.il>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/threads.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-
-#include <media/lirc_dev.h>
-
-static int poll_main(void);
-static int atir_init_start(void);
-
-static void write_index(unsigned char index, unsigned int value);
-static unsigned int read_index(unsigned char index);
-
-static void do_i2c_start(void);
-static void do_i2c_stop(void);
-
-static void seems_wr_byte(unsigned char al);
-static unsigned char seems_rd_byte(void);
-
-static unsigned int read_index(unsigned char al);
-static void write_index(unsigned char ah, unsigned int edx);
-
-static void cycle_delay(int cycle);
-
-static void do_set_bits(unsigned char bl);
-static unsigned char do_get_bits(void);
-
-#define DATA_PCI_OFF 0x7FFC00
-#define WAIT_CYCLE 20
-
-#define DRIVER_NAME "lirc_bt829"
-
-static bool debug;
-
-static int atir_minor;
-static phys_addr_t pci_addr_phys;
-static unsigned char __iomem *pci_addr_lin;
-
-static struct lirc_driver atir_driver;
-
-static struct pci_dev *do_pci_probe(void)
-{
- struct pci_dev *my_dev;
-
- my_dev = pci_get_device(PCI_VENDOR_ID_ATI,
- PCI_DEVICE_ID_ATI_264VT, NULL);
- if (my_dev) {
- pr_err("Using device: %s\n", pci_name(my_dev));
- pci_addr_phys = 0;
- if (my_dev->resource[0].flags & IORESOURCE_MEM) {
- pci_addr_phys = my_dev->resource[0].start;
- pr_info("memory at %pa\n", &pci_addr_phys);
- }
- if (pci_addr_phys == 0) {
- pr_err("no memory resource ?\n");
- pci_dev_put(my_dev);
- return NULL;
- }
- } else {
- pr_err("pci_probe failed\n");
- return NULL;
- }
- return my_dev;
-}
-
-static int atir_add_to_buf(void *data, struct lirc_buffer *buf)
-{
- unsigned char key;
- int status;
-
- status = poll_main();
- key = (status >> 8) & 0xFF;
- if (status & 0xFF) {
- dev_dbg(atir_driver.dev, "reading key %02X\n", key);
- lirc_buffer_write(buf, &key);
- return 0;
- }
- return -ENODATA;
-}
-
-static int atir_set_use_inc(void *data)
-{
- dev_dbg(atir_driver.dev, "driver is opened\n");
- return 0;
-}
-
-static void atir_set_use_dec(void *data)
-{
- dev_dbg(atir_driver.dev, "driver is closed\n");
-}
-
-int init_module(void)
-{
- struct pci_dev *pdev;
- int rc;
-
- pdev = do_pci_probe();
- if (!pdev)
- return -ENODEV;
-
- rc = pci_enable_device(pdev);
- if (rc)
- goto err_put_dev;
-
- if (!atir_init_start()) {
- rc = -ENODEV;
- goto err_disable;
- }
-
- strcpy(atir_driver.name, "ATIR");
- atir_driver.minor = -1;
- atir_driver.code_length = 8;
- atir_driver.sample_rate = 10;
- atir_driver.data = NULL;
- atir_driver.add_to_buf = atir_add_to_buf;
- atir_driver.set_use_inc = atir_set_use_inc;
- atir_driver.set_use_dec = atir_set_use_dec;
- atir_driver.dev = &pdev->dev;
- atir_driver.owner = THIS_MODULE;
-
- atir_minor = lirc_register_driver(&atir_driver);
- if (atir_minor < 0) {
- pr_err("failed to register driver!\n");
- rc = atir_minor;
- goto err_unmap;
- }
- dev_dbg(atir_driver.dev, "driver is registered on minor %d\n",
- atir_minor);
-
- return 0;
-
-err_unmap:
- iounmap(pci_addr_lin);
-err_disable:
- pci_disable_device(pdev);
-err_put_dev:
- pci_dev_put(pdev);
- return rc;
-}
-
-void cleanup_module(void)
-{
- struct pci_dev *pdev = to_pci_dev(atir_driver.dev);
-
- lirc_unregister_driver(atir_minor);
- iounmap(pci_addr_lin);
- pci_disable_device(pdev);
- pci_dev_put(pdev);
-}
-
-static int atir_init_start(void)
-{
- pci_addr_lin = ioremap(pci_addr_phys + DATA_PCI_OFF, 0x400);
- if (!pci_addr_lin) {
- pr_info("pci mem must be mapped\n");
- return 0;
- }
- return 1;
-}
-
-static void cycle_delay(int cycle)
-{
- udelay(WAIT_CYCLE * cycle);
-}
-
-static int poll_main(void)
-{
- unsigned char status_high, status_low;
-
- do_i2c_start();
-
- seems_wr_byte(0xAA);
- seems_wr_byte(0x01);
-
- do_i2c_start();
-
- seems_wr_byte(0xAB);
-
- status_low = seems_rd_byte();
- status_high = seems_rd_byte();
-
- do_i2c_stop();
-
- return (status_high << 8) | status_low;
-}
-
-static void do_i2c_start(void)
-{
- do_set_bits(3);
- cycle_delay(4);
-
- do_set_bits(1);
- cycle_delay(7);
-
- do_set_bits(0);
- cycle_delay(2);
-}
-
-static void do_i2c_stop(void)
-{
- unsigned char bits;
-
- bits = do_get_bits() & 0xFD;
- do_set_bits(bits);
- cycle_delay(1);
-
- bits |= 1;
- do_set_bits(bits);
- cycle_delay(2);
-
- bits |= 2;
- do_set_bits(bits);
- bits = 3;
- do_set_bits(bits);
- cycle_delay(2);
-}
-
-static void seems_wr_byte(unsigned char value)
-{
- int i;
- unsigned char reg;
-
- reg = do_get_bits();
- for (i = 0; i < 8; i++) {
- if (value & 0x80)
- reg |= 0x02;
- else
- reg &= 0xFD;
-
- do_set_bits(reg);
- cycle_delay(1);
-
- reg |= 1;
- do_set_bits(reg);
- cycle_delay(1);
-
- reg &= 0xFE;
- do_set_bits(reg);
- cycle_delay(1);
- value <<= 1;
- }
- cycle_delay(2);
-
- reg |= 2;
- do_set_bits(reg);
-
- reg |= 1;
- do_set_bits(reg);
-
- cycle_delay(1);
- do_get_bits();
-
- reg &= 0xFE;
- do_set_bits(reg);
- cycle_delay(3);
-}
-
-static unsigned char seems_rd_byte(void)
-{
- int i;
- int rd_byte;
- unsigned char bits_2, bits_1;
-
- bits_1 = do_get_bits() | 2;
- do_set_bits(bits_1);
-
- rd_byte = 0;
- for (i = 0; i < 8; i++) {
- bits_1 &= 0xFE;
- do_set_bits(bits_1);
- cycle_delay(2);
-
- bits_1 |= 1;
- do_set_bits(bits_1);
- cycle_delay(1);
-
- bits_2 = do_get_bits();
- if (bits_2 & 2)
- rd_byte |= 1;
-
- rd_byte <<= 1;
- }
-
- bits_1 = 0;
- if (bits_2 == 0)
- bits_1 |= 2;
-
- do_set_bits(bits_1);
- cycle_delay(2);
-
- bits_1 |= 1;
- do_set_bits(bits_1);
- cycle_delay(3);
-
- bits_1 &= 0xFE;
- do_set_bits(bits_1);
- cycle_delay(2);
-
- rd_byte >>= 1;
- rd_byte &= 0xFF;
- return rd_byte;
-}
-
-static void do_set_bits(unsigned char new_bits)
-{
- int reg_val;
-
- reg_val = read_index(0x34);
- if (new_bits & 2) {
- reg_val &= 0xFFFFFFDF;
- reg_val |= 1;
- } else {
- reg_val &= 0xFFFFFFFE;
- reg_val |= 0x20;
- }
- reg_val |= 0x10;
- write_index(0x34, reg_val);
-
- reg_val = read_index(0x31);
- if (new_bits & 1)
- reg_val |= 0x1000000;
- else
- reg_val &= 0xFEFFFFFF;
-
- reg_val |= 0x8000000;
- write_index(0x31, reg_val);
-}
-
-static unsigned char do_get_bits(void)
-{
- unsigned char bits;
- int reg_val;
-
- reg_val = read_index(0x34);
- reg_val |= 0x10;
- reg_val &= 0xFFFFFFDF;
- write_index(0x34, reg_val);
-
- reg_val = read_index(0x34);
- bits = 0;
- if (reg_val & 8)
- bits |= 2;
- else
- bits &= 0xFD;
-
- reg_val = read_index(0x31);
- if (reg_val & 0x1000000)
- bits |= 1;
- else
- bits &= 0xFE;
-
- return bits;
-}
-
-static unsigned int read_index(unsigned char index)
-{
- unsigned char __iomem *addr;
- /* addr = pci_addr_lin + DATA_PCI_OFF + ((index & 0xFF) << 2); */
- addr = pci_addr_lin + ((index & 0xFF) << 2);
- return readl(addr);
-}
-
-static void write_index(unsigned char index, unsigned int reg_val)
-{
- unsigned char __iomem *addr;
-
- addr = pci_addr_lin + ((index & 0xFF) << 2);
- writel(reg_val, addr);
-}
-
-MODULE_AUTHOR("Froenchenko Leonid");
-MODULE_DESCRIPTION("IR remote driver for bt829 based TV cards");
-MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c
deleted file mode 100644
index 1e650fba4a92..000000000000
--- a/drivers/staging/media/lirc/lirc_imon.c
+++ /dev/null
@@ -1,979 +0,0 @@
-/*
- * lirc_imon.c: LIRC/VFD/LCD driver for SoundGraph iMON IR/VFD/LCD
- * including the iMON PAD model
- *
- * Copyright(C) 2004 Venky Raju(dev@venky.ws)
- * Copyright(C) 2009 Jarod Wilson <jarod@wilsonet.com>
- *
- * lirc_imon is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-#include <linux/usb.h>
-
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
-
-#define MOD_AUTHOR "Venky Raju <dev@venky.ws>"
-#define MOD_DESC "Driver for SoundGraph iMON MultiMedia IR/Display"
-#define MOD_NAME "lirc_imon"
-#define MOD_VERSION "0.8"
-
-#define DISPLAY_MINOR_BASE 144
-#define DEVICE_NAME "lcd%d"
-
-#define BUF_CHUNK_SIZE 4
-#define BUF_SIZE 128
-
-#define BIT_DURATION 250 /* each bit received is 250us */
-
-/*** P R O T O T Y P E S ***/
-
-/* USB Callback prototypes */
-static int imon_probe(struct usb_interface *interface,
- const struct usb_device_id *id);
-static void imon_disconnect(struct usb_interface *interface);
-static void usb_rx_callback(struct urb *urb);
-static void usb_tx_callback(struct urb *urb);
-
-/* suspend/resume support */
-static int imon_resume(struct usb_interface *intf);
-static int imon_suspend(struct usb_interface *intf, pm_message_t message);
-
-/* Display file_operations function prototypes */
-static int display_open(struct inode *inode, struct file *file);
-static int display_close(struct inode *inode, struct file *file);
-
-/* VFD write operation */
-static ssize_t vfd_write(struct file *file, const char __user *buf,
- size_t n_bytes, loff_t *pos);
-
-/* LIRC driver function prototypes */
-static int ir_open(void *data);
-static void ir_close(void *data);
-
-/*** G L O B A L S ***/
-#define IMON_DATA_BUF_SZ 35
-
-struct imon_context {
- struct usb_device *usbdev;
- /* Newer devices have two interfaces */
- int display; /* not all controllers do */
- int display_isopen; /* display port has been opened */
- int ir_isopen; /* IR port open */
- int dev_present; /* USB device presence */
- struct mutex ctx_lock; /* to lock this object */
- wait_queue_head_t remove_ok; /* For unexpected USB disconnects */
-
- int vfd_proto_6p; /* some VFD require a 6th packet */
-
- struct lirc_driver *driver;
- struct usb_endpoint_descriptor *rx_endpoint;
- struct usb_endpoint_descriptor *tx_endpoint;
- struct urb *rx_urb;
- struct urb *tx_urb;
- unsigned char usb_rx_buf[8];
- unsigned char usb_tx_buf[8];
-
- struct rx_data {
- int count; /* length of 0 or 1 sequence */
- int prev_bit; /* logic level of sequence */
- int initial_space; /* initial space flag */
- } rx;
-
- struct tx_t {
- unsigned char data_buf[IMON_DATA_BUF_SZ]; /* user data buffer */
- struct completion finished; /* wait for write to finish */
- atomic_t busy; /* write in progress */
- int status; /* status of tx completion */
- } tx;
-};
-
-static const struct file_operations display_fops = {
- .owner = THIS_MODULE,
- .open = &display_open,
- .write = &vfd_write,
- .release = &display_close,
- .llseek = noop_llseek,
-};
-
-/*
- * USB Device ID for iMON USB Control Boards
- *
- * The Windows drivers contain 6 different inf files, more or less one for
- * each new device until the 0x0034-0x0046 devices, which all use the same
- * driver. Some of the devices in the 34-46 range haven't been definitively
- * identified yet. Early devices have either a TriGem Computer, Inc. or a
- * Samsung vendor ID (0x0aa8 and 0x04e8 respectively), while all later
- * devices use the SoundGraph vendor ID (0x15c2).
- */
-static struct usb_device_id imon_usb_id_table[] = {
- /* TriGem iMON (IR only) -- TG_iMON.inf */
- { USB_DEVICE(0x0aa8, 0x8001) },
-
- /* SoundGraph iMON (IR only) -- sg_imon.inf */
- { USB_DEVICE(0x04e8, 0xff30) },
-
- /* SoundGraph iMON VFD (IR & VFD) -- iMON_VFD.inf */
- { USB_DEVICE(0x0aa8, 0xffda) },
-
- /* SoundGraph iMON SS (IR & VFD) -- iMON_SS.inf */
- { USB_DEVICE(0x15c2, 0xffda) },
-
- {}
-};
-
-/* Some iMON VFD models requires a 6th packet for VFD writes */
-static struct usb_device_id vfd_proto_6p_list[] = {
- { USB_DEVICE(0x15c2, 0xffda) },
- {}
-};
-
-/* Some iMON devices have no lcd/vfd, don't set one up */
-static struct usb_device_id ir_only_list[] = {
- { USB_DEVICE(0x0aa8, 0x8001) },
- { USB_DEVICE(0x04e8, 0xff30) },
- {}
-};
-
-/* USB Device data */
-static struct usb_driver imon_driver = {
- .name = MOD_NAME,
- .probe = imon_probe,
- .disconnect = imon_disconnect,
- .suspend = imon_suspend,
- .resume = imon_resume,
- .id_table = imon_usb_id_table,
-};
-
-static struct usb_class_driver imon_class = {
- .name = DEVICE_NAME,
- .fops = &display_fops,
- .minor_base = DISPLAY_MINOR_BASE,
-};
-
-/* to prevent races between open() and disconnect(), probing, etc */
-static DEFINE_MUTEX(driver_lock);
-
-static int debug;
-
-/*** M O D U L E C O D E ***/
-
-MODULE_AUTHOR(MOD_AUTHOR);
-MODULE_DESCRIPTION(MOD_DESC);
-MODULE_VERSION(MOD_VERSION);
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(usb, imon_usb_id_table);
-module_param(debug, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug messages: 0=no, 1=yes(default: no)");
-
-static void free_imon_context(struct imon_context *context)
-{
- struct device *dev = context->driver->dev;
-
- usb_free_urb(context->tx_urb);
- usb_free_urb(context->rx_urb);
- lirc_buffer_free(context->driver->rbuf);
- kfree(context->driver->rbuf);
- kfree(context->driver);
- kfree(context);
-
- dev_dbg(dev, "%s: iMON context freed\n", __func__);
-}
-
-static void deregister_from_lirc(struct imon_context *context)
-{
- int retval;
- int minor = context->driver->minor;
-
- retval = lirc_unregister_driver(minor);
- if (retval)
- dev_err(&context->usbdev->dev,
- "unable to deregister from lirc(%d)", retval);
- else
- dev_info(&context->usbdev->dev,
- "Deregistered iMON driver (minor:%d)\n", minor);
-}
-
-/**
- * Called when the Display device (e.g. /dev/lcd0)
- * is opened by the application.
- */
-static int display_open(struct inode *inode, struct file *file)
-{
- struct usb_interface *interface;
- struct imon_context *context = NULL;
- int subminor;
- int retval = 0;
-
- /* prevent races with disconnect */
- mutex_lock(&driver_lock);
-
- subminor = iminor(inode);
- interface = usb_find_interface(&imon_driver, subminor);
- if (!interface) {
- pr_err("%s: could not find interface for minor %d\n",
- __func__, subminor);
- retval = -ENODEV;
- goto exit;
- }
- context = usb_get_intfdata(interface);
-
- if (!context) {
- dev_err(&interface->dev, "no context found for minor %d\n",
- subminor);
- retval = -ENODEV;
- goto exit;
- }
-
- mutex_lock(&context->ctx_lock);
-
- if (!context->display) {
- dev_err(&interface->dev,
- "%s: display not supported by device\n", __func__);
- retval = -ENODEV;
- } else if (context->display_isopen) {
- dev_err(&interface->dev,
- "%s: display port is already open\n", __func__);
- retval = -EBUSY;
- } else {
- context->display_isopen = 1;
- file->private_data = context;
- dev_info(context->driver->dev, "display port opened\n");
- }
-
- mutex_unlock(&context->ctx_lock);
-
-exit:
- mutex_unlock(&driver_lock);
- return retval;
-}
-
-/**
- * Called when the display device (e.g. /dev/lcd0)
- * is closed by the application.
- */
-static int display_close(struct inode *inode, struct file *file)
-{
- struct imon_context *context = NULL;
- int retval = 0;
-
- context = file->private_data;
-
- if (!context) {
- pr_err("%s: no context for device\n", __func__);
- return -ENODEV;
- }
-
- mutex_lock(&context->ctx_lock);
-
- if (!context->display) {
- dev_err(&context->usbdev->dev,
- "%s: display not supported by device\n", __func__);
- retval = -ENODEV;
- } else if (!context->display_isopen) {
- dev_err(&context->usbdev->dev,
- "%s: display is not open\n", __func__);
- retval = -EIO;
- } else {
- context->display_isopen = 0;
- dev_info(context->driver->dev, "display port closed\n");
- if (!context->dev_present && !context->ir_isopen) {
- /*
- * Device disconnected before close and IR port is not
- * open. If IR port is open, context will be deleted by
- * ir_close.
- */
- mutex_unlock(&context->ctx_lock);
- free_imon_context(context);
- return retval;
- }
- }
-
- mutex_unlock(&context->ctx_lock);
- return retval;
-}
-
-/**
- * Sends a packet to the device -- this function must be called
- * with context->ctx_lock held.
- */
-static int send_packet(struct imon_context *context)
-{
- unsigned int pipe;
- int interval = 0;
- int retval = 0;
-
- /* Check if we need to use control or interrupt urb */
- pipe = usb_sndintpipe(context->usbdev,
- context->tx_endpoint->bEndpointAddress);
- interval = context->tx_endpoint->bInterval;
-
- usb_fill_int_urb(context->tx_urb, context->usbdev, pipe,
- context->usb_tx_buf,
- sizeof(context->usb_tx_buf),
- usb_tx_callback, context, interval);
-
- context->tx_urb->actual_length = 0;
-
- reinit_completion(&context->tx.finished);
- atomic_set(&context->tx.busy, 1);
-
- retval = usb_submit_urb(context->tx_urb, GFP_KERNEL);
- if (retval) {
- atomic_set(&context->tx.busy, 0);
- dev_err(&context->usbdev->dev, "error submitting urb(%d)\n",
- retval);
- } else {
- /* Wait for transmission to complete (or abort) */
- mutex_unlock(&context->ctx_lock);
- retval = wait_for_completion_interruptible(
- &context->tx.finished);
- if (retval)
- dev_err(&context->usbdev->dev,
- "%s: task interrupted\n", __func__);
- mutex_lock(&context->ctx_lock);
-
- retval = context->tx.status;
- if (retval)
- dev_err(&context->usbdev->dev,
- "packet tx failed (%d)\n", retval);
- }
-
- return retval;
-}
-
-/**
- * Writes data to the VFD. The iMON VFD is 2x16 characters
- * and requires data in 5 consecutive USB interrupt packets,
- * each packet but the last carrying 7 bytes.
- *
- * I don't know if the VFD board supports features such as
- * scrolling, clearing rows, blanking, etc. so at
- * the caller must provide a full screen of data. If fewer
- * than 32 bytes are provided spaces will be appended to
- * generate a full screen.
- */
-static ssize_t vfd_write(struct file *file, const char __user *buf,
- size_t n_bytes, loff_t *pos)
-{
- int i;
- int offset;
- int seq;
- int retval = 0;
- struct imon_context *context;
- const unsigned char vfd_packet6[] = {
- 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF };
- int *data_buf = NULL;
-
- context = file->private_data;
- if (!context) {
- pr_err("%s: no context for device\n", __func__);
- return -ENODEV;
- }
-
- mutex_lock(&context->ctx_lock);
-
- if (!context->dev_present) {
- dev_err(&context->usbdev->dev,
- "%s: no iMON device present\n", __func__);
- retval = -ENODEV;
- goto exit;
- }
-
- if (n_bytes <= 0 || n_bytes > IMON_DATA_BUF_SZ - 3) {
- dev_err(&context->usbdev->dev,
- "%s: invalid payload size\n", __func__);
- retval = -EINVAL;
- goto exit;
- }
-
- data_buf = memdup_user(buf, n_bytes);
- if (IS_ERR(data_buf)) {
- mutex_unlock(&context->ctx_lock);
- return PTR_ERR(data_buf);
- }
-
- memcpy(context->tx.data_buf, data_buf, n_bytes);
-
- /* Pad with spaces */
- for (i = n_bytes; i < IMON_DATA_BUF_SZ - 3; ++i)
- context->tx.data_buf[i] = ' ';
-
- for (i = IMON_DATA_BUF_SZ - 3; i < IMON_DATA_BUF_SZ; ++i)
- context->tx.data_buf[i] = 0xFF;
-
- offset = 0;
- seq = 0;
-
- do {
- memcpy(context->usb_tx_buf, context->tx.data_buf + offset, 7);
- context->usb_tx_buf[7] = (unsigned char)seq;
-
- retval = send_packet(context);
- if (retval) {
- dev_err(&context->usbdev->dev,
- "send packet failed for packet #%d\n",
- seq / 2);
- goto exit;
- } else {
- seq += 2;
- offset += 7;
- }
-
- } while (offset < IMON_DATA_BUF_SZ);
-
- if (context->vfd_proto_6p) {
- /* Send packet #6 */
- memcpy(context->usb_tx_buf, &vfd_packet6, sizeof(vfd_packet6));
- context->usb_tx_buf[7] = (unsigned char)seq;
- retval = send_packet(context);
- if (retval)
- dev_err(&context->usbdev->dev,
- "send packet failed for packet #%d\n",
- seq / 2);
- }
-
-exit:
- mutex_unlock(&context->ctx_lock);
- kfree(data_buf);
-
- return (!retval) ? n_bytes : retval;
-}
-
-/**
- * Callback function for USB core API: transmit data
- */
-static void usb_tx_callback(struct urb *urb)
-{
- struct imon_context *context;
-
- if (!urb)
- return;
- context = (struct imon_context *)urb->context;
- if (!context)
- return;
-
- context->tx.status = urb->status;
-
- /* notify waiters that write has finished */
- atomic_set(&context->tx.busy, 0);
- complete(&context->tx.finished);
-}
-
-/**
- * Called by lirc_dev when the application opens /dev/lirc
- */
-static int ir_open(void *data)
-{
- struct imon_context *context;
-
- /* prevent races with disconnect */
- mutex_lock(&driver_lock);
-
- context = data;
-
- /* initial IR protocol decode variables */
- context->rx.count = 0;
- context->rx.initial_space = 1;
- context->rx.prev_bit = 0;
-
- init_completion(&context->tx.finished);
-
- context->ir_isopen = 1;
- dev_info(context->driver->dev, "IR port opened\n");
-
- mutex_unlock(&driver_lock);
- return 0;
-}
-
-/**
- * Called by lirc_dev when the application closes /dev/lirc
- */
-static void ir_close(void *data)
-{
- struct imon_context *context;
-
- context = data;
- if (!context) {
- pr_err("%s: no context for device\n", __func__);
- return;
- }
-
- mutex_lock(&context->ctx_lock);
-
- context->ir_isopen = 0;
- dev_info(context->driver->dev, "IR port closed\n");
-
- if (!context->dev_present) {
- /*
- * Device disconnected while IR port was still open. Driver
- * was not deregistered at disconnect time, so do it now.
- */
- deregister_from_lirc(context);
-
- if (!context->display_isopen) {
- mutex_unlock(&context->ctx_lock);
- free_imon_context(context);
- return;
- }
- /*
- * If display port is open, context will be deleted by
- * display_close
- */
- }
-
- mutex_unlock(&context->ctx_lock);
-}
-
-/**
- * Convert bit count to time duration (in us) and submit
- * the value to lirc_dev.
- */
-static void submit_data(struct imon_context *context)
-{
- unsigned char buf[4];
- int value = context->rx.count;
- int i;
-
- dev_dbg(context->driver->dev, "submitting data to LIRC\n");
-
- value *= BIT_DURATION;
- value &= PULSE_MASK;
- if (context->rx.prev_bit)
- value |= PULSE_BIT;
-
- for (i = 0; i < 4; ++i)
- buf[i] = value >> (i * 8);
-
- lirc_buffer_write(context->driver->rbuf, buf);
- wake_up(&context->driver->rbuf->wait_poll);
-}
-
-/**
- * Process the incoming packet
- */
-static void imon_incoming_packet(struct imon_context *context,
- struct urb *urb, int intf)
-{
- int len = urb->actual_length;
- unsigned char *buf = urb->transfer_buffer;
- struct device *dev = context->driver->dev;
- int octet, bit;
- unsigned char mask;
-
- /*
- * just bail out if no listening IR client
- */
- if (!context->ir_isopen)
- return;
-
- if (len != 8) {
- dev_warn(dev, "imon %s: invalid incoming packet size (len = %d, intf%d)\n",
- __func__, len, intf);
- return;
- }
-
- if (debug)
- dev_info(dev, "raw packet: %*ph\n", len, buf);
- /*
- * Translate received data to pulse and space lengths.
- * Received data is active low, i.e. pulses are 0 and
- * spaces are 1.
- *
- * My original algorithm was essentially similar to
- * Changwoo Ryu's with the exception that he switched
- * the incoming bits to active high and also fed an
- * initial space to LIRC at the start of a new sequence
- * if the previous bit was a pulse.
- *
- * I've decided to adopt his algorithm.
- */
-
- if (buf[7] == 1 && context->rx.initial_space) {
- /* LIRC requires a leading space */
- context->rx.prev_bit = 0;
- context->rx.count = 4;
- submit_data(context);
- context->rx.count = 0;
- }
-
- for (octet = 0; octet < 5; ++octet) {
- mask = 0x80;
- for (bit = 0; bit < 8; ++bit) {
- int curr_bit = !(buf[octet] & mask);
-
- if (curr_bit != context->rx.prev_bit) {
- if (context->rx.count) {
- submit_data(context);
- context->rx.count = 0;
- }
- context->rx.prev_bit = curr_bit;
- }
- ++context->rx.count;
- mask >>= 1;
- }
- }
-
- if (buf[7] == 10) {
- if (context->rx.count) {
- submit_data(context);
- context->rx.count = 0;
- }
- context->rx.initial_space = context->rx.prev_bit;
- }
-}
-
-/**
- * Callback function for USB core API: receive data
- */
-static void usb_rx_callback(struct urb *urb)
-{
- struct imon_context *context;
- int intfnum = 0;
-
- if (!urb)
- return;
-
- context = (struct imon_context *)urb->context;
- if (!context)
- return;
-
- switch (urb->status) {
- case -ENOENT: /* usbcore unlink successful! */
- return;
-
- case 0:
- imon_incoming_packet(context, urb, intfnum);
- break;
-
- default:
- dev_warn(context->driver->dev, "imon %s: status(%d): ignored\n",
- __func__, urb->status);
- break;
- }
-
- usb_submit_urb(context->rx_urb, GFP_ATOMIC);
-}
-
-/**
- * Callback function for USB core API: Probe
- */
-static int imon_probe(struct usb_interface *interface,
- const struct usb_device_id *id)
-{
- struct usb_device *usbdev = NULL;
- struct usb_host_interface *iface_desc = NULL;
- struct usb_endpoint_descriptor *rx_endpoint = NULL;
- struct usb_endpoint_descriptor *tx_endpoint = NULL;
- struct urb *rx_urb = NULL;
- struct urb *tx_urb = NULL;
- struct lirc_driver *driver = NULL;
- struct lirc_buffer *rbuf = NULL;
- struct device *dev = &interface->dev;
- int ifnum;
- int lirc_minor = 0;
- int num_endpts;
- int retval = -ENOMEM;
- int display_ep_found = 0;
- int ir_ep_found = 0;
- int vfd_proto_6p = 0;
- struct imon_context *context = NULL;
- int i;
- u16 vendor, product;
-
- /* prevent races probing devices w/multiple interfaces */
- mutex_lock(&driver_lock);
-
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- goto driver_unlock;
-
- /*
- * Try to auto-detect the type of display if the user hasn't set
- * it by hand via the display_type modparam. Default is VFD.
- */
- if (usb_match_id(interface, ir_only_list))
- context->display = 0;
- else
- context->display = 1;
-
- usbdev = usb_get_dev(interface_to_usbdev(interface));
- iface_desc = interface->cur_altsetting;
- num_endpts = iface_desc->desc.bNumEndpoints;
- ifnum = iface_desc->desc.bInterfaceNumber;
- vendor = le16_to_cpu(usbdev->descriptor.idVendor);
- product = le16_to_cpu(usbdev->descriptor.idProduct);
-
- dev_dbg(dev, "%s: found iMON device (%04x:%04x, intf%d)\n",
- __func__, vendor, product, ifnum);
-
- /*
- * Scan the endpoint list and set:
- * first input endpoint = IR endpoint
- * first output endpoint = display endpoint
- */
- for (i = 0; i < num_endpts && !(ir_ep_found && display_ep_found); ++i) {
- struct usb_endpoint_descriptor *ep;
- int ep_dir;
- int ep_type;
-
- ep = &iface_desc->endpoint[i].desc;
- ep_dir = ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
- ep_type = usb_endpoint_type(ep);
-
- if (!ir_ep_found &&
- ep_dir == USB_DIR_IN &&
- ep_type == USB_ENDPOINT_XFER_INT) {
-
- rx_endpoint = ep;
- ir_ep_found = 1;
- dev_dbg(dev, "%s: found IR endpoint\n", __func__);
-
- } else if (!display_ep_found && ep_dir == USB_DIR_OUT &&
- ep_type == USB_ENDPOINT_XFER_INT) {
- tx_endpoint = ep;
- display_ep_found = 1;
- dev_dbg(dev, "%s: found display endpoint\n", __func__);
- }
- }
-
- /*
- * Some iMON receivers have no display. Unfortunately, it seems
- * that SoundGraph recycles device IDs between devices both with
- * and without... :\
- */
- if (context->display == 0) {
- display_ep_found = 0;
- dev_dbg(dev, "%s: device has no display\n", __func__);
- }
-
- /* Input endpoint is mandatory */
- if (!ir_ep_found) {
- dev_err(dev, "%s: no valid input (IR) endpoint found.\n",
- __func__);
- retval = -ENODEV;
- goto free_context;
- }
-
- /* Determine if display requires 6 packets */
- if (display_ep_found) {
- if (usb_match_id(interface, vfd_proto_6p_list))
- vfd_proto_6p = 1;
-
- dev_dbg(dev, "%s: vfd_proto_6p: %d\n",
- __func__, vfd_proto_6p);
- }
-
- driver = kzalloc(sizeof(*driver), GFP_KERNEL);
- if (!driver)
- goto free_context;
-
- rbuf = kmalloc(sizeof(*rbuf), GFP_KERNEL);
- if (!rbuf)
- goto free_driver;
-
- if (lirc_buffer_init(rbuf, BUF_CHUNK_SIZE, BUF_SIZE)) {
- dev_err(dev, "%s: lirc_buffer_init failed\n", __func__);
- goto free_rbuf;
- }
- rx_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!rx_urb)
- goto free_lirc_buf;
- tx_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!tx_urb)
- goto free_rx_urb;
-
- mutex_init(&context->ctx_lock);
- context->vfd_proto_6p = vfd_proto_6p;
-
- strcpy(driver->name, MOD_NAME);
- driver->minor = -1;
- driver->code_length = BUF_CHUNK_SIZE * 8;
- driver->sample_rate = 0;
- driver->features = LIRC_CAN_REC_MODE2;
- driver->data = context;
- driver->rbuf = rbuf;
- driver->set_use_inc = ir_open;
- driver->set_use_dec = ir_close;
- driver->dev = &interface->dev;
- driver->owner = THIS_MODULE;
-
- mutex_lock(&context->ctx_lock);
-
- context->driver = driver;
- /* start out in keyboard mode */
-
- lirc_minor = lirc_register_driver(driver);
- if (lirc_minor < 0) {
- dev_err(dev, "%s: lirc_register_driver failed\n", __func__);
- goto free_tx_urb;
- }
-
- dev_info(dev, "Registered iMON driver (lirc minor: %d)\n",
- lirc_minor);
-
- /* Needed while unregistering! */
- driver->minor = lirc_minor;
-
- context->usbdev = usbdev;
- context->dev_present = 1;
- context->rx_endpoint = rx_endpoint;
- context->rx_urb = rx_urb;
-
- /*
- * tx is used to send characters to lcd/vfd, associate RF
- * remotes, set IR protocol, and maybe more...
- */
- context->tx_endpoint = tx_endpoint;
- context->tx_urb = tx_urb;
-
- if (display_ep_found)
- context->display = 1;
-
- usb_fill_int_urb(context->rx_urb, context->usbdev,
- usb_rcvintpipe(context->usbdev,
- context->rx_endpoint->bEndpointAddress),
- context->usb_rx_buf, sizeof(context->usb_rx_buf),
- usb_rx_callback, context,
- context->rx_endpoint->bInterval);
-
- retval = usb_submit_urb(context->rx_urb, GFP_KERNEL);
- if (retval) {
- dev_err(dev, "usb_submit_urb failed for intf0 (%d)\n", retval);
- goto unregister_lirc;
- }
-
- usb_set_intfdata(interface, context);
-
- if (context->display && ifnum == 0) {
- dev_dbg(dev, "%s: Registering iMON display with sysfs\n",
- __func__);
-
- if (usb_register_dev(interface, &imon_class)) {
- /* Not a fatal error, so ignore */
- dev_info(dev, "%s: could not get a minor number for display\n",
- __func__);
- }
- }
-
- dev_info(dev, "iMON device (%04x:%04x, intf%d) on usb<%d:%d> initialized\n",
- vendor, product, ifnum, usbdev->bus->busnum, usbdev->devnum);
-
- /* Everything went fine. Just unlock and return retval (with is 0) */
- mutex_unlock(&context->ctx_lock);
- goto driver_unlock;
-
-unregister_lirc:
- lirc_unregister_driver(driver->minor);
-
-free_tx_urb:
- mutex_unlock(&context->ctx_lock);
- usb_free_urb(tx_urb);
-
-free_rx_urb:
- usb_free_urb(rx_urb);
-
-free_lirc_buf:
- lirc_buffer_free(rbuf);
-
-free_rbuf:
- kfree(rbuf);
-
-free_driver:
- kfree(driver);
-free_context:
- kfree(context);
- context = NULL;
-
-driver_unlock:
- mutex_unlock(&driver_lock);
-
- return retval;
-}
-
-/**
- * Callback function for USB core API: disconnect
- */
-static void imon_disconnect(struct usb_interface *interface)
-{
- struct imon_context *context;
- int ifnum;
-
- /* prevent races with ir_open()/display_open() */
- mutex_lock(&driver_lock);
-
- context = usb_get_intfdata(interface);
- ifnum = interface->cur_altsetting->desc.bInterfaceNumber;
-
- mutex_lock(&context->ctx_lock);
-
- usb_set_intfdata(interface, NULL);
-
- /* Abort ongoing write */
- if (atomic_read(&context->tx.busy)) {
- usb_kill_urb(context->tx_urb);
- complete(&context->tx.finished);
- }
-
- context->dev_present = 0;
- usb_kill_urb(context->rx_urb);
- if (context->display)
- usb_deregister_dev(interface, &imon_class);
-
- if (!context->ir_isopen && !context->dev_present) {
- deregister_from_lirc(context);
- mutex_unlock(&context->ctx_lock);
- if (!context->display_isopen)
- free_imon_context(context);
- } else
- mutex_unlock(&context->ctx_lock);
-
- mutex_unlock(&driver_lock);
-
- dev_info(&interface->dev, "%s: iMON device (intf%d) disconnected\n",
- __func__, ifnum);
-}
-
-static int imon_suspend(struct usb_interface *intf, pm_message_t message)
-{
- struct imon_context *context = usb_get_intfdata(intf);
-
- usb_kill_urb(context->rx_urb);
-
- return 0;
-}
-
-static int imon_resume(struct usb_interface *intf)
-{
- struct imon_context *context = usb_get_intfdata(intf);
-
- usb_fill_int_urb(context->rx_urb, context->usbdev,
- usb_rcvintpipe(context->usbdev,
- context->rx_endpoint->bEndpointAddress),
- context->usb_rx_buf, sizeof(context->usb_rx_buf),
- usb_rx_callback, context,
- context->rx_endpoint->bInterval);
-
- return usb_submit_urb(context->rx_urb, GFP_ATOMIC);
-}
-
-module_usb_driver(imon_driver);
diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c
deleted file mode 100644
index bfb76a45bfbf..000000000000
--- a/drivers/staging/media/lirc/lirc_parallel.c
+++ /dev/null
@@ -1,741 +0,0 @@
-/*
- * lirc_parallel.c
- *
- * lirc_parallel - device driver for infra-red signal receiving and
- * transmitting unit built by the author
- *
- * Copyright (C) 1998 Christoph Bartelmus <lirc@bartelmus.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-/*** Includes ***/
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/ktime.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/uaccess.h>
-#include <asm/div64.h>
-
-#include <linux/poll.h>
-#include <linux/parport.h>
-#include <linux/platform_device.h>
-
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
-
-#include "lirc_parallel.h"
-
-#define LIRC_DRIVER_NAME "lirc_parallel"
-
-#ifndef LIRC_IRQ
-#define LIRC_IRQ 7
-#endif
-#ifndef LIRC_PORT
-#define LIRC_PORT 0x378
-#endif
-#ifndef LIRC_TIMER
-#define LIRC_TIMER 65536
-#endif
-
-/*** Global Variables ***/
-
-static bool debug;
-static bool check_pselecd;
-
-static unsigned int irq = LIRC_IRQ;
-static unsigned int io = LIRC_PORT;
-#ifdef LIRC_TIMER
-static unsigned int timer;
-static unsigned int default_timer = LIRC_TIMER;
-#endif
-
-#define RBUF_SIZE (256) /* this must be a power of 2 larger than 1 */
-
-static int rbuf[RBUF_SIZE];
-
-static DECLARE_WAIT_QUEUE_HEAD(lirc_wait);
-
-static unsigned int rptr;
-static unsigned int wptr;
-static unsigned int lost_irqs;
-static int is_open;
-
-static struct parport *pport;
-static struct pardevice *ppdevice;
-static int is_claimed;
-
-static unsigned int tx_mask = 1;
-
-/*** Internal Functions ***/
-
-static unsigned int in(int offset)
-{
- switch (offset) {
- case LIRC_LP_BASE:
- return parport_read_data(pport);
- case LIRC_LP_STATUS:
- return parport_read_status(pport);
- case LIRC_LP_CONTROL:
- return parport_read_control(pport);
- }
- return 0; /* make compiler happy */
-}
-
-static void out(int offset, int value)
-{
- switch (offset) {
- case LIRC_LP_BASE:
- parport_write_data(pport, value);
- break;
- case LIRC_LP_CONTROL:
- parport_write_control(pport, value);
- break;
- case LIRC_LP_STATUS:
- pr_info("attempt to write to status register\n");
- break;
- }
-}
-
-static unsigned int lirc_get_timer(void)
-{
- return in(LIRC_PORT_TIMER) & LIRC_PORT_TIMER_BIT;
-}
-
-static unsigned int lirc_get_signal(void)
-{
- return in(LIRC_PORT_SIGNAL) & LIRC_PORT_SIGNAL_BIT;
-}
-
-static void lirc_on(void)
-{
- out(LIRC_PORT_DATA, tx_mask);
-}
-
-static void lirc_off(void)
-{
- out(LIRC_PORT_DATA, 0);
-}
-
-static unsigned int init_lirc_timer(void)
-{
- ktime_t kt, now, timeout;
- unsigned int level, newlevel, timeelapsed, newtimer;
- int count = 0;
-
- kt = ktime_get();
- /* wait max. 1 sec. */
- timeout = ktime_add_ns(kt, NSEC_PER_SEC);
- level = lirc_get_timer();
- do {
- newlevel = lirc_get_timer();
- if (level == 0 && newlevel != 0)
- count++;
- level = newlevel;
- now = ktime_get();
- } while (count < 1000 && (ktime_before(now, timeout)));
- timeelapsed = ktime_us_delta(now, kt);
- if (count >= 1000 && timeelapsed > 0) {
- if (default_timer == 0) {
- /* autodetect timer */
- newtimer = (1000000 * count) / timeelapsed;
- pr_info("%u Hz timer detected\n", newtimer);
- return newtimer;
- }
- newtimer = (1000000 * count) / timeelapsed;
- if (abs(newtimer - default_timer) > default_timer / 10) {
- /* bad timer */
- pr_notice("bad timer: %u Hz\n", newtimer);
- pr_notice("using default timer: %u Hz\n",
- default_timer);
- return default_timer;
- }
- pr_info("%u Hz timer detected\n", newtimer);
- return newtimer; /* use detected value */
- }
-
- pr_notice("no timer detected\n");
- return 0;
-}
-
-static int lirc_claim(void)
-{
- if (parport_claim(ppdevice) != 0) {
- pr_warn("could not claim port\n");
- pr_warn("waiting for port becoming available\n");
- if (parport_claim_or_block(ppdevice) < 0) {
- pr_notice("could not claim port, giving up\n");
- return 0;
- }
- }
- out(LIRC_LP_CONTROL, LP_PSELECP | LP_PINITP);
- is_claimed = 1;
- return 1;
-}
-
-/*** interrupt handler ***/
-
-static void rbuf_write(int signal)
-{
- unsigned int nwptr;
-
- nwptr = (wptr + 1) & (RBUF_SIZE - 1);
- if (nwptr == rptr) {
- /* no new signals will be accepted */
- lost_irqs++;
- pr_notice("buffer overrun\n");
- return;
- }
- rbuf[wptr] = signal;
- wptr = nwptr;
-}
-
-static void lirc_lirc_irq_handler(void *blah)
-{
- ktime_t kt, delkt;
- static ktime_t lastkt;
- static int init;
- long signal;
- int data;
- unsigned int level, newlevel;
- unsigned int timeout;
-
- if (!is_open)
- return;
-
- if (!is_claimed)
- return;
-
-#if 0
- /* disable interrupt */
- disable_irq(irq);
- out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ) & (~LP_PINTEN));
-#endif
- if (check_pselecd && (in(1) & LP_PSELECD))
- return;
-
-#ifdef LIRC_TIMER
- if (init) {
- kt = ktime_get();
-
- delkt = ktime_sub(kt, lastkt);
- if (ktime_compare(delkt, ktime_set(15, 0)) > 0)
- /* really long time */
- data = PULSE_MASK;
- else
- data = (int)(ktime_to_us(delkt) + LIRC_SFH506_DELAY);
-
- rbuf_write(data); /* space */
- } else {
- if (timer == 0) {
- /*
- * wake up; we'll lose this signal, but it will be
- * garbage if the device is turned on anyway
- */
- timer = init_lirc_timer();
- /* enable_irq(irq); */
- return;
- }
- init = 1;
- }
-
- timeout = timer / 10; /* timeout after 1/10 sec. */
- signal = 1;
- level = lirc_get_timer();
- do {
- newlevel = lirc_get_timer();
- if (level == 0 && newlevel != 0)
- signal++;
- level = newlevel;
-
- /* giving up */
- if (signal > timeout
- || (check_pselecd && (in(1) & LP_PSELECD))) {
- signal = 0;
- pr_notice("timeout\n");
- break;
- }
- } while (lirc_get_signal());
-
- if (signal != 0) {
- /* adjust value to usecs */
- __u64 helper;
-
- helper = ((__u64)signal) * 1000000;
- do_div(helper, timer);
- signal = (long)helper;
-
- if (signal > LIRC_SFH506_DELAY)
- data = signal - LIRC_SFH506_DELAY;
- else
- data = 1;
- rbuf_write(PULSE_BIT | data); /* pulse */
- }
- lastkt = ktime_get();
-#else
- /* add your code here */
-#endif
-
- wake_up_interruptible(&lirc_wait);
-
- /* enable interrupt */
- /*
- * enable_irq(irq);
- * out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ)|LP_PINTEN);
- */
-}
-
-/*** file operations ***/
-
-static loff_t lirc_lseek(struct file *filep, loff_t offset, int orig)
-{
- return -ESPIPE;
-}
-
-static ssize_t lirc_read(struct file *filep, char __user *buf, size_t n,
- loff_t *ppos)
-{
- int result = 0;
- int count = 0;
- DECLARE_WAITQUEUE(wait, current);
-
- if (n % sizeof(int))
- return -EINVAL;
-
- add_wait_queue(&lirc_wait, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
- while (count < n) {
- if (rptr != wptr) {
- if (copy_to_user(buf + count, &rbuf[rptr],
- sizeof(int))) {
- result = -EFAULT;
- break;
- }
- rptr = (rptr + 1) & (RBUF_SIZE - 1);
- count += sizeof(int);
- } else {
- if (filep->f_flags & O_NONBLOCK) {
- result = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- result = -ERESTARTSYS;
- break;
- }
- schedule();
- set_current_state(TASK_INTERRUPTIBLE);
- }
- }
- remove_wait_queue(&lirc_wait, &wait);
- set_current_state(TASK_RUNNING);
- return count ? count : result;
-}
-
-static ssize_t lirc_write(struct file *filep, const char __user *buf, size_t n,
- loff_t *ppos)
-{
- int count;
- unsigned int i;
- unsigned int level, newlevel;
- unsigned long flags;
- int counttimer;
- int *wbuf;
- ssize_t ret;
-
- if (!is_claimed)
- return -EBUSY;
-
- count = n / sizeof(int);
-
- if (n % sizeof(int) || count % 2 == 0)
- return -EINVAL;
-
- wbuf = memdup_user(buf, n);
- if (IS_ERR(wbuf))
- return PTR_ERR(wbuf);
-
-#ifdef LIRC_TIMER
- if (timer == 0) {
- /* try again if device is ready */
- timer = init_lirc_timer();
- if (timer == 0) {
- ret = -EIO;
- goto out;
- }
- }
-
- /* adjust values from usecs */
- for (i = 0; i < count; i++) {
- __u64 helper;
-
- helper = ((__u64)wbuf[i]) * timer;
- do_div(helper, 1000000);
- wbuf[i] = (int)helper;
- }
-
- local_irq_save(flags);
- i = 0;
- while (i < count) {
- level = lirc_get_timer();
- counttimer = 0;
- lirc_on();
- do {
- newlevel = lirc_get_timer();
- if (level == 0 && newlevel != 0)
- counttimer++;
- level = newlevel;
- if (check_pselecd && (in(1) & LP_PSELECD)) {
- lirc_off();
- local_irq_restore(flags);
- ret = -EIO;
- goto out;
- }
- } while (counttimer < wbuf[i]);
- i++;
-
- lirc_off();
- if (i == count)
- break;
- counttimer = 0;
- do {
- newlevel = lirc_get_timer();
- if (level == 0 && newlevel != 0)
- counttimer++;
- level = newlevel;
- if (check_pselecd && (in(1) & LP_PSELECD)) {
- local_irq_restore(flags);
- ret = -EIO;
- goto out;
- }
- } while (counttimer < wbuf[i]);
- i++;
- }
- local_irq_restore(flags);
-#else
- /* place code that handles write without external timer here */
-#endif
- ret = n;
-out:
- kfree(wbuf);
-
- return ret;
-}
-
-static unsigned int lirc_poll(struct file *file, poll_table *wait)
-{
- poll_wait(file, &lirc_wait, wait);
- if (rptr != wptr)
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
-{
- int result;
- u32 __user *uptr = (u32 __user *)arg;
- u32 features = LIRC_CAN_SET_TRANSMITTER_MASK |
- LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2;
- u32 mode;
- u32 value;
-
- switch (cmd) {
- case LIRC_GET_FEATURES:
- result = put_user(features, uptr);
- if (result)
- return result;
- break;
- case LIRC_GET_SEND_MODE:
- result = put_user(LIRC_MODE_PULSE, uptr);
- if (result)
- return result;
- break;
- case LIRC_GET_REC_MODE:
- result = put_user(LIRC_MODE_MODE2, uptr);
- if (result)
- return result;
- break;
- case LIRC_SET_SEND_MODE:
- result = get_user(mode, uptr);
- if (result)
- return result;
- if (mode != LIRC_MODE_PULSE)
- return -EINVAL;
- break;
- case LIRC_SET_REC_MODE:
- result = get_user(mode, uptr);
- if (result)
- return result;
- if (mode != LIRC_MODE_MODE2)
- return -ENOSYS;
- break;
- case LIRC_SET_TRANSMITTER_MASK:
- result = get_user(value, uptr);
- if (result)
- return result;
- if ((value & LIRC_PARALLEL_TRANSMITTER_MASK) != value)
- return LIRC_PARALLEL_MAX_TRANSMITTERS;
- tx_mask = value;
- break;
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-static int lirc_open(struct inode *node, struct file *filep)
-{
- if (is_open || !lirc_claim())
- return -EBUSY;
-
- parport_enable_irq(pport);
-
- /* init read ptr */
- rptr = 0;
- wptr = 0;
- lost_irqs = 0;
-
- is_open = 1;
- return 0;
-}
-
-static int lirc_close(struct inode *node, struct file *filep)
-{
- if (is_claimed) {
- is_claimed = 0;
- parport_release(ppdevice);
- }
- is_open = 0;
- return 0;
-}
-
-static const struct file_operations lirc_fops = {
- .owner = THIS_MODULE,
- .llseek = lirc_lseek,
- .read = lirc_read,
- .write = lirc_write,
- .poll = lirc_poll,
- .unlocked_ioctl = lirc_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = lirc_ioctl,
-#endif
- .open = lirc_open,
- .release = lirc_close
-};
-
-static int set_use_inc(void *data)
-{
- return 0;
-}
-
-static void set_use_dec(void *data)
-{
-}
-
-static struct lirc_driver driver = {
- .name = LIRC_DRIVER_NAME,
- .minor = -1,
- .code_length = 1,
- .sample_rate = 0,
- .data = NULL,
- .add_to_buf = NULL,
- .set_use_inc = set_use_inc,
- .set_use_dec = set_use_dec,
- .fops = &lirc_fops,
- .dev = NULL,
- .owner = THIS_MODULE,
-};
-
-static struct platform_device *lirc_parallel_dev;
-
-static int lirc_parallel_probe(struct platform_device *dev)
-{
- return 0;
-}
-
-static int lirc_parallel_remove(struct platform_device *dev)
-{
- return 0;
-}
-
-static int lirc_parallel_suspend(struct platform_device *dev,
- pm_message_t state)
-{
- return 0;
-}
-
-static int lirc_parallel_resume(struct platform_device *dev)
-{
- return 0;
-}
-
-static struct platform_driver lirc_parallel_driver = {
- .probe = lirc_parallel_probe,
- .remove = lirc_parallel_remove,
- .suspend = lirc_parallel_suspend,
- .resume = lirc_parallel_resume,
- .driver = {
- .name = LIRC_DRIVER_NAME,
- },
-};
-
-static int pf(void *handle)
-{
- parport_disable_irq(pport);
- is_claimed = 0;
- return 0;
-}
-
-static void kf(void *handle)
-{
- if (!is_open)
- return;
- if (!lirc_claim())
- return;
- parport_enable_irq(pport);
- lirc_off();
- /* this is a bit annoying when you actually print...*/
- /*
- * printk(KERN_INFO "%s: reclaimed port\n", LIRC_DRIVER_NAME);
- */
-}
-
-/*** module initialization and cleanup ***/
-
-static int __init lirc_parallel_init(void)
-{
- int result;
-
- result = platform_driver_register(&lirc_parallel_driver);
- if (result) {
- pr_notice("platform_driver_register returned %d\n", result);
- return result;
- }
-
- lirc_parallel_dev = platform_device_alloc(LIRC_DRIVER_NAME, 0);
- if (!lirc_parallel_dev) {
- result = -ENOMEM;
- goto exit_driver_unregister;
- }
-
- result = platform_device_add(lirc_parallel_dev);
- if (result)
- goto exit_device_put;
-
- pport = parport_find_base(io);
- if (!pport) {
- pr_notice("no port at %x found\n", io);
- result = -ENXIO;
- goto exit_device_del;
- }
- ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
- pf, kf, lirc_lirc_irq_handler, 0,
- NULL);
- parport_put_port(pport);
- if (!ppdevice) {
- pr_notice("parport_register_device() failed\n");
- result = -ENXIO;
- goto exit_device_del;
- }
- if (parport_claim(ppdevice) != 0)
- goto skip_init;
- is_claimed = 1;
- out(LIRC_LP_CONTROL, LP_PSELECP | LP_PINITP);
-
-#ifdef LIRC_TIMER
- if (debug)
- out(LIRC_PORT_DATA, tx_mask);
-
- timer = init_lirc_timer();
-
-#if 0 /* continue even if device is offline */
- if (timer == 0) {
- is_claimed = 0;
- parport_release(pport);
- parport_unregister_device(ppdevice);
- result = -EIO;
- goto exit_device_del;
- }
-
-#endif
- if (debug)
- out(LIRC_PORT_DATA, 0);
-#endif
-
- is_claimed = 0;
- parport_release(ppdevice);
- skip_init:
- driver.dev = &lirc_parallel_dev->dev;
- driver.minor = lirc_register_driver(&driver);
- if (driver.minor < 0) {
- pr_notice("register_chrdev() failed\n");
- parport_unregister_device(ppdevice);
- result = -EIO;
- goto exit_device_del;
- }
- pr_info("installed using port 0x%04x irq %d\n", io, irq);
- return 0;
-
-exit_device_del:
- platform_device_del(lirc_parallel_dev);
-exit_device_put:
- platform_device_put(lirc_parallel_dev);
-exit_driver_unregister:
- platform_driver_unregister(&lirc_parallel_driver);
- return result;
-}
-
-static void __exit lirc_parallel_exit(void)
-{
- parport_unregister_device(ppdevice);
- lirc_unregister_driver(driver.minor);
-
- platform_device_unregister(lirc_parallel_dev);
- platform_driver_unregister(&lirc_parallel_driver);
-}
-
-module_init(lirc_parallel_init);
-module_exit(lirc_parallel_exit);
-
-MODULE_DESCRIPTION("Infrared receiver driver for parallel ports.");
-MODULE_AUTHOR("Christoph Bartelmus");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, S_IRUGO);
-MODULE_PARM_DESC(io, "I/O address base (0x3bc, 0x378 or 0x278)");
-
-module_param(irq, int, S_IRUGO);
-MODULE_PARM_DESC(irq, "Interrupt (7 or 5)");
-
-module_param(tx_mask, int, S_IRUGO);
-MODULE_PARM_DESC(tx_mask, "Transmitter mask (default: 0x01)");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Enable debugging messages");
-
-module_param(check_pselecd, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(check_pselecd, "Check for printer (default: 0)");
diff --git a/drivers/staging/media/lirc/lirc_parallel.h b/drivers/staging/media/lirc/lirc_parallel.h
deleted file mode 100644
index 4bed6afe0632..000000000000
--- a/drivers/staging/media/lirc/lirc_parallel.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* lirc_parallel.h */
-
-#ifndef _LIRC_PARALLEL_H
-#define _LIRC_PARALLEL_H
-
-#include <linux/lp.h>
-
-#define LIRC_PORT_LEN 3
-
-#define LIRC_LP_BASE 0
-#define LIRC_LP_STATUS 1
-#define LIRC_LP_CONTROL 2
-
-#define LIRC_PORT_DATA LIRC_LP_BASE /* base */
-#define LIRC_PORT_TIMER LIRC_LP_STATUS /* status port */
-#define LIRC_PORT_TIMER_BIT LP_PBUSY /* busy signal */
-#define LIRC_PORT_SIGNAL LIRC_LP_STATUS /* status port */
-#define LIRC_PORT_SIGNAL_BIT LP_PACK /* ack signal */
-#define LIRC_PORT_IRQ LIRC_LP_CONTROL /* control port */
-
-#define LIRC_SFH506_DELAY 0 /* delay t_phl in usecs */
-
-#define LIRC_PARALLEL_MAX_TRANSMITTERS 8
-#define LIRC_PARALLEL_TRANSMITTER_MASK ((1<<LIRC_PARALLEL_MAX_TRANSMITTERS) - 1)
-
-#endif
diff --git a/drivers/staging/media/lirc/lirc_sir.c b/drivers/staging/media/lirc/lirc_sir.c
index 4f326e97ad75..c75ae43095ba 100644
--- a/drivers/staging/media/lirc/lirc_sir.c
+++ b/drivers/staging/media/lirc/lirc_sir.c
@@ -1,7 +1,7 @@
/*
* LIRC SIR driver, (C) 2000 Milan Pikula <www@fornax.sk>
*
- * lirc_sir - Device driver for use with SIR (serial infra red)
+ * sir_ir - Device driver for use with SIR (serial infra red)
* mode of IrDA on many notebooks.
*
* This program is free software; you can redistribute it and/or modify
@@ -58,8 +58,7 @@
#include <linux/timer.h>
-#include <media/lirc.h>
-#include <media/lirc_dev.h>
+#include <media/rc-core.h>
/* SECTION: Definitions */
@@ -87,11 +86,6 @@ static void init_act200(void);
static void init_act220(void);
#endif
-#define RBUF_LEN 1024
-#define WBUF_LEN 1024
-
-#define LIRC_DRIVER_NAME "lirc_sir"
-
#define PULSE '['
#ifndef LIRC_SIR_TEKRAM
@@ -131,28 +125,19 @@ static ktime_t last;
/* time of last UART data ready interrupt */
static ktime_t last_intr_time;
static int last_value;
+static struct rc_dev *rcdev;
-static DECLARE_WAIT_QUEUE_HEAD(lirc_read_queue);
+static struct platform_device *sir_ir_dev;
static DEFINE_SPINLOCK(hardware_lock);
-static int rx_buf[RBUF_LEN];
-static unsigned int rx_tail, rx_head;
-
static bool debug;
/* SECTION: Prototypes */
/* Communication with user-space */
-static unsigned int lirc_poll(struct file *file, poll_table *wait);
-static ssize_t lirc_read(struct file *file, char __user *buf, size_t count,
- loff_t *ppos);
-static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n,
- loff_t *pos);
-static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
static void add_read_queue(int flag, unsigned long val);
static int init_chrdev(void);
-static void drop_chrdev(void);
/* Hardware */
static irqreturn_t sir_interrupt(int irq, void *dev_id);
static void send_space(unsigned long len);
@@ -189,72 +174,14 @@ static void safe_udelay(unsigned long usecs)
}
/* SECTION: Communication with user-space */
-
-static unsigned int lirc_poll(struct file *file, poll_table *wait)
-{
- poll_wait(file, &lirc_read_queue, wait);
- if (rx_head != rx_tail)
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static ssize_t lirc_read(struct file *file, char __user *buf, size_t count,
- loff_t *ppos)
-{
- int n = 0;
- int retval = 0;
- DECLARE_WAITQUEUE(wait, current);
-
- if (count % sizeof(int))
- return -EINVAL;
-
- add_wait_queue(&lirc_read_queue, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
- while (n < count) {
- if (rx_head != rx_tail) {
- if (copy_to_user(buf + n,
- rx_buf + rx_head,
- sizeof(int))) {
- retval = -EFAULT;
- break;
- }
- rx_head = (rx_head + 1) & (RBUF_LEN - 1);
- n += sizeof(int);
- } else {
- if (file->f_flags & O_NONBLOCK) {
- retval = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
- schedule();
- set_current_state(TASK_INTERRUPTIBLE);
- }
- }
- remove_wait_queue(&lirc_read_queue, &wait);
- set_current_state(TASK_RUNNING);
- return n ? n : retval;
-}
-static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n,
- loff_t *pos)
+static int sir_tx_ir(struct rc_dev *dev, unsigned int *tx_buf,
+ unsigned int count)
{
unsigned long flags;
- int i, count;
- int *tx_buf;
-
- count = n / sizeof(int);
- if (n % sizeof(int) || count % 2 == 0)
- return -EINVAL;
- tx_buf = memdup_user(buf, n);
- if (IS_ERR(tx_buf))
- return PTR_ERR(tx_buf);
- i = 0;
+ int i;
+
local_irq_save(flags);
- while (1) {
- if (i >= count)
- break;
+ for (i = 0; i < count;) {
if (tx_buf[i])
send_pulse(tx_buf[i]);
i++;
@@ -265,138 +192,53 @@ static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n,
i++;
}
local_irq_restore(flags);
- kfree(tx_buf);
- return count;
-}
-
-static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
-{
- u32 __user *uptr = (u32 __user *)arg;
- int retval = 0;
- u32 value = 0;
-
- if (cmd == LIRC_GET_FEATURES)
- value = LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2;
- else if (cmd == LIRC_GET_SEND_MODE)
- value = LIRC_MODE_PULSE;
- else if (cmd == LIRC_GET_REC_MODE)
- value = LIRC_MODE_MODE2;
-
- switch (cmd) {
- case LIRC_GET_FEATURES:
- case LIRC_GET_SEND_MODE:
- case LIRC_GET_REC_MODE:
- retval = put_user(value, uptr);
- break;
-
- case LIRC_SET_SEND_MODE:
- case LIRC_SET_REC_MODE:
- retval = get_user(value, uptr);
- break;
- default:
- retval = -ENOIOCTLCMD;
-
- }
-
- if (retval)
- return retval;
- if (cmd == LIRC_SET_REC_MODE) {
- if (value != LIRC_MODE_MODE2)
- retval = -ENOSYS;
- } else if (cmd == LIRC_SET_SEND_MODE) {
- if (value != LIRC_MODE_PULSE)
- retval = -ENOSYS;
- }
- return retval;
+ return count;
}
static void add_read_queue(int flag, unsigned long val)
{
- unsigned int new_rx_tail;
- int newval;
+ DEFINE_IR_RAW_EVENT(ev);
pr_debug("add flag %d with val %lu\n", flag, val);
- newval = val & PULSE_MASK;
-
/*
* statistically, pulses are ~TIME_CONST/2 too long. we could
* maybe make this more exact, but this is good enough
*/
if (flag) {
/* pulse */
- if (newval > TIME_CONST/2)
- newval -= TIME_CONST/2;
+ if (val > TIME_CONST / 2)
+ val -= TIME_CONST / 2;
else /* should not ever happen */
- newval = 1;
- newval |= PULSE_BIT;
+ val = 1;
+ ev.pulse = true;
} else {
- newval += TIME_CONST/2;
+ val += TIME_CONST / 2;
}
- new_rx_tail = (rx_tail + 1) & (RBUF_LEN - 1);
- if (new_rx_tail == rx_head) {
- pr_debug("Buffer overrun.\n");
- return;
- }
- rx_buf[rx_tail] = newval;
- rx_tail = new_rx_tail;
- wake_up_interruptible(&lirc_read_queue);
-}
+ ev.duration = US_TO_NS(val);
-static const struct file_operations lirc_fops = {
- .owner = THIS_MODULE,
- .read = lirc_read,
- .write = lirc_write,
- .poll = lirc_poll,
- .unlocked_ioctl = lirc_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = lirc_ioctl,
-#endif
- .open = lirc_dev_fop_open,
- .release = lirc_dev_fop_close,
- .llseek = no_llseek,
-};
-
-static int set_use_inc(void *data)
-{
- return 0;
+ ir_raw_event_store_with_filter(rcdev, &ev);
}
-static void set_use_dec(void *data)
-{
-}
-
-static struct lirc_driver driver = {
- .name = LIRC_DRIVER_NAME,
- .minor = -1,
- .code_length = 1,
- .sample_rate = 0,
- .data = NULL,
- .add_to_buf = NULL,
- .set_use_inc = set_use_inc,
- .set_use_dec = set_use_dec,
- .fops = &lirc_fops,
- .dev = NULL,
- .owner = THIS_MODULE,
-};
-
-static struct platform_device *lirc_sir_dev;
-
static int init_chrdev(void)
{
- driver.dev = &lirc_sir_dev->dev;
- driver.minor = lirc_register_driver(&driver);
- if (driver.minor < 0) {
- pr_err("init_chrdev() failed.\n");
- return -EIO;
- }
- return 0;
-}
-
-static void drop_chrdev(void)
-{
- lirc_unregister_driver(driver.minor);
+ rcdev = devm_rc_allocate_device(&sir_ir_dev->dev, RC_DRIVER_IR_RAW);
+ if (!rcdev)
+ return -ENOMEM;
+
+ rcdev->input_phys = KBUILD_MODNAME "/input0";
+ rcdev->input_id.bustype = BUS_HOST;
+ rcdev->input_id.vendor = 0x0001;
+ rcdev->input_id.product = 0x0001;
+ rcdev->input_id.version = 0x0100;
+ rcdev->tx_ir = sir_tx_ir;
+ rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
+ rcdev->map_name = RC_MAP_RC6_MCE;
+ rcdev->timeout = IR_DEFAULT_TIMEOUT;
+ rcdev->dev.parent = &sir_ir_dev->dev;
+
+ return devm_rc_register_device(&sir_ir_dev->dev, rcdev);
}
/* SECTION: Hardware */
@@ -420,14 +262,15 @@ static void sir_timeout(unsigned long data)
/* determine 'virtual' pulse end: */
pulse_end = min_t(unsigned long,
ktime_us_delta(last, last_intr_time),
- PULSE_MASK);
- dev_dbg(driver.dev, "timeout add %d for %lu usec\n",
- last_value, pulse_end);
+ IR_MAX_DURATION);
+ dev_dbg(&sir_ir_dev->dev, "timeout add %d for %lu usec\n",
+ last_value, pulse_end);
add_read_queue(last_value, pulse_end);
last_value = 0;
last = last_intr_time;
}
spin_unlock_irqrestore(&timer_lock, flags);
+ ir_raw_event_handle(rcdev);
}
static irqreturn_t sir_interrupt(int irq, void *dev_id)
@@ -462,20 +305,20 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id)
curr_time = ktime_get();
delt = min_t(unsigned long,
ktime_us_delta(last, curr_time),
- PULSE_MASK);
+ IR_MAX_DURATION);
deltintr = min_t(unsigned long,
ktime_us_delta(last_intr_time,
curr_time),
- PULSE_MASK);
- dev_dbg(driver.dev, "t %lu, d %d\n",
- deltintr, (int)data);
+ IR_MAX_DURATION);
+ dev_dbg(&sir_ir_dev->dev, "t %lu, d %d\n",
+ deltintr, (int)data);
/*
* if nothing came in last X cycles,
* it was gap
*/
if (deltintr > TIME_CONST * threshold) {
if (last_value) {
- dev_dbg(driver.dev, "GAP\n");
+ dev_dbg(&sir_ir_dev->dev, "GAP\n");
/* simulate signal change */
add_read_queue(last_value,
delt -
@@ -517,6 +360,7 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id)
break;
}
}
+ ir_raw_event_handle(rcdev);
return IRQ_RETVAL(IRQ_HANDLED);
}
@@ -655,12 +499,12 @@ static int init_port(void)
int retval;
/* get I/O port access and IRQ line */
- if (request_region(io, 8, LIRC_DRIVER_NAME) == NULL) {
+ if (!request_region(io, 8, KBUILD_MODNAME)) {
pr_err("i/o port 0x%.4x already in use.\n", io);
return -EBUSY;
}
retval = request_irq(irq, sir_interrupt, 0,
- LIRC_DRIVER_NAME, NULL);
+ KBUILD_MODNAME, NULL);
if (retval < 0) {
release_region(io, 8);
pr_err("IRQ %d already in use.\n", irq);
@@ -882,11 +726,10 @@ void init_act220(void)
}
#endif
-static int init_lirc_sir(void)
+static int init_sir_ir(void)
{
int retval;
- init_waitqueue_head(&lirc_read_queue);
retval = init_port();
if (retval < 0)
return retval;
@@ -895,42 +738,42 @@ static int init_lirc_sir(void)
return 0;
}
-static int lirc_sir_probe(struct platform_device *dev)
+static int sir_ir_probe(struct platform_device *dev)
{
return 0;
}
-static int lirc_sir_remove(struct platform_device *dev)
+static int sir_ir_remove(struct platform_device *dev)
{
return 0;
}
-static struct platform_driver lirc_sir_driver = {
- .probe = lirc_sir_probe,
- .remove = lirc_sir_remove,
+static struct platform_driver sir_ir_driver = {
+ .probe = sir_ir_probe,
+ .remove = sir_ir_remove,
.driver = {
- .name = "lirc_sir",
+ .name = "sir_ir",
},
};
-static int __init lirc_sir_init(void)
+static int __init sir_ir_init(void)
{
int retval;
- retval = platform_driver_register(&lirc_sir_driver);
+ retval = platform_driver_register(&sir_ir_driver);
if (retval) {
pr_err("Platform driver register failed!\n");
return -ENODEV;
}
- lirc_sir_dev = platform_device_alloc("lirc_dev", 0);
- if (!lirc_sir_dev) {
+ sir_ir_dev = platform_device_alloc("sir_ir", 0);
+ if (!sir_ir_dev) {
pr_err("Platform device alloc failed!\n");
retval = -ENOMEM;
goto pdev_alloc_fail;
}
- retval = platform_device_add(lirc_sir_dev);
+ retval = platform_device_add(sir_ir_dev);
if (retval) {
pr_err("Platform device add failed!\n");
retval = -ENODEV;
@@ -941,35 +784,32 @@ static int __init lirc_sir_init(void)
if (retval < 0)
goto fail;
- retval = init_lirc_sir();
- if (retval) {
- drop_chrdev();
+ retval = init_sir_ir();
+ if (retval)
goto fail;
- }
return 0;
fail:
- platform_device_del(lirc_sir_dev);
+ platform_device_del(sir_ir_dev);
pdev_add_fail:
- platform_device_put(lirc_sir_dev);
+ platform_device_put(sir_ir_dev);
pdev_alloc_fail:
- platform_driver_unregister(&lirc_sir_driver);
+ platform_driver_unregister(&sir_ir_driver);
return retval;
}
-static void __exit lirc_sir_exit(void)
+static void __exit sir_ir_exit(void)
{
drop_hardware();
- drop_chrdev();
drop_port();
- platform_device_unregister(lirc_sir_dev);
- platform_driver_unregister(&lirc_sir_driver);
+ platform_device_unregister(sir_ir_dev);
+ platform_driver_unregister(&sir_ir_driver);
pr_info("Uninstalled.\n");
}
-module_init(lirc_sir_init);
-module_exit(lirc_sir_exit);
+module_init(sir_ir_init);
+module_exit(sir_ir_exit);
#ifdef LIRC_SIR_TEKRAM
MODULE_DESCRIPTION("Infrared receiver driver for Tekram Irmate 210");
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index c16927ac8eb0..bb0e3b4a4558 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -205,21 +205,21 @@ iss_video_remote_subdev(struct iss_video *video, u32 *pad)
static struct iss_video *
iss_video_far_end(struct iss_video *video)
{
- struct media_entity_graph graph;
+ struct media_graph graph;
struct media_entity *entity = &video->video.entity;
struct media_device *mdev = entity->graph_obj.mdev;
struct iss_video *far_end = NULL;
mutex_lock(&mdev->graph_mutex);
- if (media_entity_graph_walk_init(&graph, mdev)) {
+ if (media_graph_walk_init(&graph, mdev)) {
mutex_unlock(&mdev->graph_mutex);
return NULL;
}
- media_entity_graph_walk_start(&graph, entity);
+ media_graph_walk_start(&graph, entity);
- while ((entity = media_entity_graph_walk_next(&graph))) {
+ while ((entity = media_graph_walk_next(&graph))) {
if (entity == &video->video.entity)
continue;
@@ -235,7 +235,7 @@ iss_video_far_end(struct iss_video *video)
mutex_unlock(&mdev->graph_mutex);
- media_entity_graph_walk_cleanup(&graph);
+ media_graph_walk_cleanup(&graph);
return far_end;
}
@@ -854,7 +854,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
{
struct iss_video_fh *vfh = to_iss_video_fh(fh);
struct iss_video *video = video_drvdata(file);
- struct media_entity_graph graph;
+ struct media_graph graph;
struct media_entity *entity = &video->video.entity;
enum iss_pipeline_state state;
struct iss_pipeline *pipe;
@@ -880,19 +880,19 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
if (ret)
goto err_graph_walk_init;
- ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev);
+ ret = media_graph_walk_init(&graph, entity->graph_obj.mdev);
if (ret)
goto err_graph_walk_init;
if (video->iss->pdata->set_constraints)
video->iss->pdata->set_constraints(video->iss, true);
- ret = media_entity_pipeline_start(entity, &pipe->pipe);
+ ret = media_pipeline_start(entity, &pipe->pipe);
if (ret < 0)
- goto err_media_entity_pipeline_start;
+ goto err_media_pipeline_start;
- media_entity_graph_walk_start(&graph, entity);
- while ((entity = media_entity_graph_walk_next(&graph)))
+ media_graph_walk_start(&graph, entity);
+ while ((entity = media_graph_walk_next(&graph)))
media_entity_enum_set(&pipe->ent_enum, entity);
/* Verify that the currently configured format matches the output of
@@ -963,7 +963,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
spin_unlock_irqrestore(&video->qlock, flags);
}
- media_entity_graph_walk_cleanup(&graph);
+ media_graph_walk_cleanup(&graph);
mutex_unlock(&video->stream_lock);
@@ -972,13 +972,13 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
err_omap4iss_set_stream:
vb2_streamoff(&vfh->queue, type);
err_iss_video_check_format:
- media_entity_pipeline_stop(&video->video.entity);
-err_media_entity_pipeline_start:
+ media_pipeline_stop(&video->video.entity);
+err_media_pipeline_start:
if (video->iss->pdata->set_constraints)
video->iss->pdata->set_constraints(video->iss, false);
video->queue = NULL;
- media_entity_graph_walk_cleanup(&graph);
+ media_graph_walk_cleanup(&graph);
err_graph_walk_init:
media_entity_enum_cleanup(&pipe->ent_enum);
@@ -1026,7 +1026,7 @@ iss_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
if (video->iss->pdata->set_constraints)
video->iss->pdata->set_constraints(video->iss, false);
- media_entity_pipeline_stop(&video->video.entity);
+ media_pipeline_stop(&video->video.entity);
done:
mutex_unlock(&video->stream_lock);
@@ -1141,6 +1141,7 @@ static int iss_video_open(struct file *file)
done:
if (ret < 0) {
v4l2_fh_del(&handle->vfh);
+ v4l2_fh_exit(&handle->vfh);
kfree(handle);
}
@@ -1162,6 +1163,7 @@ static int iss_video_release(struct file *file)
vb2_queue_release(&handle->queue);
v4l2_fh_del(vfh);
+ v4l2_fh_exit(vfh);
kfree(handle);
file->private_data = NULL;
diff --git a/drivers/staging/media/s5p-cec/Kconfig b/drivers/staging/media/s5p-cec/Kconfig
index ddfd955da0d4..7a3489df3e70 100644
--- a/drivers/staging/media/s5p-cec/Kconfig
+++ b/drivers/staging/media/s5p-cec/Kconfig
@@ -1,6 +1,6 @@
config VIDEO_SAMSUNG_S5P_CEC
tristate "Samsung S5P CEC driver"
- depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST)
+ depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (ARCH_EXYNOS || COMPILE_TEST)
---help---
This is a driver for Samsung S5P HDMI CEC interface. It uses the
generic CEC framework interface.
diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h b/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h
index 3e4fc7b05e83..7d9453505dce 100644
--- a/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h
+++ b/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h
@@ -14,7 +14,6 @@
#define _EXYNOS_HDMI_CEC_H_ __FILE__
#include <linux/regmap.h>
-#include <linux/miscdevice.h>
#include "s5p_cec.h"
void s5p_cec_set_divider(struct s5p_cec_dev *cec);
diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c b/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c
index ce95e0fcd882..1edf667d562a 100644
--- a/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c
+++ b/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c
@@ -87,7 +87,6 @@ void s5p_cec_mask_tx_interrupts(struct s5p_cec_dev *cec)
reg |= S5P_CEC_IRQ_TX_DONE;
reg |= S5P_CEC_IRQ_TX_ERROR;
writeb(reg, cec->reg + S5P_CEC_IRQ_MASK);
-
}
void s5p_cec_unmask_tx_interrupts(struct s5p_cec_dev *cec)
@@ -186,13 +185,13 @@ u32 s5p_cec_get_status(struct s5p_cec_dev *cec)
void s5p_clr_pending_tx(struct s5p_cec_dev *cec)
{
writeb(S5P_CEC_IRQ_TX_DONE | S5P_CEC_IRQ_TX_ERROR,
- cec->reg + S5P_CEC_IRQ_CLEAR);
+ cec->reg + S5P_CEC_IRQ_CLEAR);
}
void s5p_clr_pending_rx(struct s5p_cec_dev *cec)
{
writeb(S5P_CEC_IRQ_RX_DONE | S5P_CEC_IRQ_RX_ERROR,
- cec->reg + S5P_CEC_IRQ_CLEAR);
+ cec->reg + S5P_CEC_IRQ_CLEAR);
}
void s5p_cec_get_rx_buf(struct s5p_cec_dev *cec, u32 size, u8 *buffer)