|
|
@@ -1,847 +0,0 @@
|
|
|
-/*
|
|
|
- * Asus OLED USB driver
|
|
|
- *
|
|
|
- * Copyright (C) 2007,2008 Jakub Schmidtke (sjakub@gmail.com)
|
|
|
- *
|
|
|
- * 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.,
|
|
|
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
- *
|
|
|
- *
|
|
|
- *
|
|
|
- * This module is based on usbled and asus-laptop modules.
|
|
|
- *
|
|
|
- *
|
|
|
- * Asus OLED support is based on asusoled program taken from
|
|
|
- * <http://lapsus.berlios.de/asus_oled.html>.
|
|
|
- *
|
|
|
- *
|
|
|
- */
|
|
|
-
|
|
|
-#include <linux/kernel.h>
|
|
|
-#include <linux/errno.h>
|
|
|
-#include <linux/init.h>
|
|
|
-#include <linux/slab.h>
|
|
|
-#include <linux/module.h>
|
|
|
-#include <linux/usb.h>
|
|
|
-#include <linux/platform_device.h>
|
|
|
-#include <linux/ctype.h>
|
|
|
-
|
|
|
-#define ASUS_OLED_VERSION "0.04-dev"
|
|
|
-#define ASUS_OLED_NAME "asus-oled"
|
|
|
-#define ASUS_OLED_UNDERSCORE_NAME "asus_oled"
|
|
|
-
|
|
|
-#define ASUS_OLED_STATIC 's'
|
|
|
-#define ASUS_OLED_ROLL 'r'
|
|
|
-#define ASUS_OLED_FLASH 'f'
|
|
|
-
|
|
|
-#define ASUS_OLED_MAX_WIDTH 1792
|
|
|
-#define ASUS_OLED_DISP_HEIGHT 32
|
|
|
-#define ASUS_OLED_PACKET_BUF_SIZE 256
|
|
|
-
|
|
|
-#define USB_VENDOR_ID_ASUS 0x0b05
|
|
|
-#define USB_DEVICE_ID_ASUS_LCM 0x1726
|
|
|
-#define USB_DEVICE_ID_ASUS_LCM2 0x175b
|
|
|
-
|
|
|
-MODULE_AUTHOR("Jakub Schmidtke, sjakub@gmail.com");
|
|
|
-MODULE_DESCRIPTION("Asus OLED Driver");
|
|
|
-MODULE_LICENSE("GPL");
|
|
|
-MODULE_VERSION(ASUS_OLED_VERSION);
|
|
|
-
|
|
|
-static struct class *oled_class;
|
|
|
-static int oled_num;
|
|
|
-
|
|
|
-static uint start_off;
|
|
|
-
|
|
|
-module_param(start_off, uint, 0644);
|
|
|
-
|
|
|
-MODULE_PARM_DESC(start_off,
|
|
|
- "Set to 1 to switch off OLED display after it is attached");
|
|
|
-
|
|
|
-enum oled_pack_mode {
|
|
|
- PACK_MODE_G1,
|
|
|
- PACK_MODE_G50,
|
|
|
- PACK_MODE_LAST
|
|
|
-};
|
|
|
-
|
|
|
-struct oled_dev_desc_str {
|
|
|
- uint16_t idVendor;
|
|
|
- uint16_t idProduct;
|
|
|
- /* width of display */
|
|
|
- uint16_t devWidth;
|
|
|
- /* formula to be used while packing the picture */
|
|
|
- enum oled_pack_mode packMode;
|
|
|
- const char *devDesc;
|
|
|
-};
|
|
|
-
|
|
|
-/* table of devices that work with this driver */
|
|
|
-static const struct usb_device_id id_table[] = {
|
|
|
- /* Asus G1/G2 (and variants)*/
|
|
|
- { USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM) },
|
|
|
- /* Asus G50V (and possibly others - G70? G71?)*/
|
|
|
- { USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2) },
|
|
|
- { },
|
|
|
-};
|
|
|
-
|
|
|
-/* parameters of specific devices */
|
|
|
-static struct oled_dev_desc_str oled_dev_desc_table[] = {
|
|
|
- { USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM, 128, PACK_MODE_G1,
|
|
|
- "G1/G2" },
|
|
|
- { USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2, 256, PACK_MODE_G50,
|
|
|
- "G50" },
|
|
|
- { },
|
|
|
-};
|
|
|
-
|
|
|
-MODULE_DEVICE_TABLE(usb, id_table);
|
|
|
-
|
|
|
-struct asus_oled_header {
|
|
|
- uint8_t magic1;
|
|
|
- uint8_t magic2;
|
|
|
- uint8_t flags;
|
|
|
- uint8_t value3;
|
|
|
- uint8_t buffer1;
|
|
|
- uint8_t buffer2;
|
|
|
- uint8_t value6;
|
|
|
- uint8_t value7;
|
|
|
- uint8_t value8;
|
|
|
- uint8_t padding2[7];
|
|
|
-} __attribute((packed));
|
|
|
-
|
|
|
-struct asus_oled_packet {
|
|
|
- struct asus_oled_header header;
|
|
|
- uint8_t bitmap[ASUS_OLED_PACKET_BUF_SIZE];
|
|
|
-} __attribute((packed));
|
|
|
-
|
|
|
-struct asus_oled_dev {
|
|
|
- struct usb_device *udev;
|
|
|
- uint8_t pic_mode;
|
|
|
- uint16_t dev_width;
|
|
|
- enum oled_pack_mode pack_mode;
|
|
|
- size_t height;
|
|
|
- size_t width;
|
|
|
- size_t x_shift;
|
|
|
- size_t y_shift;
|
|
|
- size_t buf_offs;
|
|
|
- uint8_t last_val;
|
|
|
- size_t buf_size;
|
|
|
- char *buf;
|
|
|
- uint8_t enabled;
|
|
|
- uint8_t enabled_post_resume;
|
|
|
- struct device *dev;
|
|
|
-};
|
|
|
-
|
|
|
-static void setup_packet_header(struct asus_oled_packet *packet, char flags,
|
|
|
- char value3, char buffer1, char buffer2, char value6,
|
|
|
- char value7, char value8)
|
|
|
-{
|
|
|
- memset(packet, 0, sizeof(struct asus_oled_header));
|
|
|
- packet->header.magic1 = 0x55;
|
|
|
- packet->header.magic2 = 0xaa;
|
|
|
- packet->header.flags = flags;
|
|
|
- packet->header.value3 = value3;
|
|
|
- packet->header.buffer1 = buffer1;
|
|
|
- packet->header.buffer2 = buffer2;
|
|
|
- packet->header.value6 = value6;
|
|
|
- packet->header.value7 = value7;
|
|
|
- packet->header.value8 = value8;
|
|
|
-}
|
|
|
-
|
|
|
-static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl)
|
|
|
-{
|
|
|
- int retval;
|
|
|
- int act_len;
|
|
|
- struct asus_oled_packet *packet;
|
|
|
-
|
|
|
- packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL);
|
|
|
- if (!packet)
|
|
|
- return;
|
|
|
-
|
|
|
- setup_packet_header(packet, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00);
|
|
|
-
|
|
|
- if (enabl)
|
|
|
- packet->bitmap[0] = 0xaf;
|
|
|
- else
|
|
|
- packet->bitmap[0] = 0xae;
|
|
|
-
|
|
|
- retval = usb_bulk_msg(odev->udev,
|
|
|
- usb_sndbulkpipe(odev->udev, 2),
|
|
|
- packet,
|
|
|
- sizeof(struct asus_oled_header) + 1,
|
|
|
- &act_len,
|
|
|
- -1);
|
|
|
-
|
|
|
- if (retval)
|
|
|
- dev_dbg(&odev->udev->dev, "retval = %d\n", retval);
|
|
|
-
|
|
|
- odev->enabled = enabl;
|
|
|
-
|
|
|
- kfree(packet);
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t set_enabled(struct device *dev, struct device_attribute *attr,
|
|
|
- const char *buf, size_t count)
|
|
|
-{
|
|
|
- struct usb_interface *intf = to_usb_interface(dev);
|
|
|
- struct asus_oled_dev *odev = usb_get_intfdata(intf);
|
|
|
- unsigned long value;
|
|
|
- if (kstrtoul(buf, 10, &value))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- enable_oled(odev, value);
|
|
|
-
|
|
|
- return count;
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t class_set_enabled(struct device *device,
|
|
|
- struct device_attribute *attr,
|
|
|
- const char *buf, size_t count)
|
|
|
-{
|
|
|
- struct asus_oled_dev *odev =
|
|
|
- (struct asus_oled_dev *) dev_get_drvdata(device);
|
|
|
- unsigned long value;
|
|
|
-
|
|
|
- if (kstrtoul(buf, 10, &value))
|
|
|
- return -EINVAL;
|
|
|
-
|
|
|
- enable_oled(odev, value);
|
|
|
-
|
|
|
- return count;
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t get_enabled(struct device *dev, struct device_attribute *attr,
|
|
|
- char *buf)
|
|
|
-{
|
|
|
- struct usb_interface *intf = to_usb_interface(dev);
|
|
|
- struct asus_oled_dev *odev = usb_get_intfdata(intf);
|
|
|
-
|
|
|
- return sprintf(buf, "%d\n", odev->enabled);
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t class_get_enabled(struct device *device,
|
|
|
- struct device_attribute *attr, char *buf)
|
|
|
-{
|
|
|
- struct asus_oled_dev *odev =
|
|
|
- (struct asus_oled_dev *) dev_get_drvdata(device);
|
|
|
-
|
|
|
- return sprintf(buf, "%d\n", odev->enabled);
|
|
|
-}
|
|
|
-
|
|
|
-static void send_packets(struct usb_device *udev,
|
|
|
- struct asus_oled_packet *packet,
|
|
|
- char *buf, uint8_t p_type, size_t p_num)
|
|
|
-{
|
|
|
- size_t i;
|
|
|
- int act_len;
|
|
|
-
|
|
|
- for (i = 0; i < p_num; i++) {
|
|
|
- int retval;
|
|
|
-
|
|
|
- switch (p_type) {
|
|
|
- case ASUS_OLED_ROLL:
|
|
|
- setup_packet_header(packet, 0x40, 0x80, p_num,
|
|
|
- i + 1, 0x00, 0x01, 0xff);
|
|
|
- break;
|
|
|
- case ASUS_OLED_STATIC:
|
|
|
- setup_packet_header(packet, 0x10 + i, 0x80, 0x01,
|
|
|
- 0x01, 0x00, 0x01, 0x00);
|
|
|
- break;
|
|
|
- case ASUS_OLED_FLASH:
|
|
|
- setup_packet_header(packet, 0x10 + i, 0x80, 0x01,
|
|
|
- 0x01, 0x00, 0x00, 0xff);
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy(packet->bitmap, buf + (ASUS_OLED_PACKET_BUF_SIZE*i),
|
|
|
- ASUS_OLED_PACKET_BUF_SIZE);
|
|
|
-
|
|
|
- retval = usb_bulk_msg(udev, usb_sndctrlpipe(udev, 2),
|
|
|
- packet, sizeof(struct asus_oled_packet),
|
|
|
- &act_len, -1);
|
|
|
-
|
|
|
- if (retval)
|
|
|
- dev_dbg(&udev->dev, "retval = %d\n", retval);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-static void send_packet(struct usb_device *udev,
|
|
|
- struct asus_oled_packet *packet,
|
|
|
- size_t offset, size_t len, char *buf, uint8_t b1,
|
|
|
- uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5,
|
|
|
- uint8_t b6) {
|
|
|
- int retval;
|
|
|
- int act_len;
|
|
|
-
|
|
|
- setup_packet_header(packet, b1, b2, b3, b4, b5, b6, 0x00);
|
|
|
- memcpy(packet->bitmap, buf + offset, len);
|
|
|
-
|
|
|
- retval = usb_bulk_msg(udev,
|
|
|
- usb_sndctrlpipe(udev, 2),
|
|
|
- packet,
|
|
|
- sizeof(struct asus_oled_packet),
|
|
|
- &act_len,
|
|
|
- -1);
|
|
|
-
|
|
|
- if (retval)
|
|
|
- dev_dbg(&udev->dev, "retval = %d\n", retval);
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-static void send_packets_g50(struct usb_device *udev,
|
|
|
- struct asus_oled_packet *packet, char *buf)
|
|
|
-{
|
|
|
- send_packet(udev, packet, 0, 0x100, buf,
|
|
|
- 0x10, 0x00, 0x02, 0x01, 0x00, 0x01);
|
|
|
- send_packet(udev, packet, 0x100, 0x080, buf,
|
|
|
- 0x10, 0x00, 0x02, 0x02, 0x80, 0x00);
|
|
|
-
|
|
|
- send_packet(udev, packet, 0x180, 0x100, buf,
|
|
|
- 0x11, 0x00, 0x03, 0x01, 0x00, 0x01);
|
|
|
- send_packet(udev, packet, 0x280, 0x100, buf,
|
|
|
- 0x11, 0x00, 0x03, 0x02, 0x00, 0x01);
|
|
|
- send_packet(udev, packet, 0x380, 0x080, buf,
|
|
|
- 0x11, 0x00, 0x03, 0x03, 0x80, 0x00);
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-static void send_data(struct asus_oled_dev *odev)
|
|
|
-{
|
|
|
- size_t packet_num = odev->buf_size / ASUS_OLED_PACKET_BUF_SIZE;
|
|
|
- struct asus_oled_packet *packet;
|
|
|
-
|
|
|
- packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL);
|
|
|
- if (!packet)
|
|
|
- return;
|
|
|
-
|
|
|
- if (odev->pack_mode == PACK_MODE_G1) {
|
|
|
- /*
|
|
|
- * When sending roll-mode data the display updated only
|
|
|
- * first packet. I have no idea why, but when static picture
|
|
|
- * is sent just before rolling picture everything works fine.
|
|
|
- */
|
|
|
- if (odev->pic_mode == ASUS_OLED_ROLL)
|
|
|
- send_packets(odev->udev, packet, odev->buf,
|
|
|
- ASUS_OLED_STATIC, 2);
|
|
|
-
|
|
|
- /* Only ROLL mode can use more than 2 packets.*/
|
|
|
- if (odev->pic_mode != ASUS_OLED_ROLL && packet_num > 2)
|
|
|
- packet_num = 2;
|
|
|
-
|
|
|
- send_packets(odev->udev, packet, odev->buf,
|
|
|
- odev->pic_mode, packet_num);
|
|
|
- } else if (odev->pack_mode == PACK_MODE_G50) {
|
|
|
- send_packets_g50(odev->udev, packet, odev->buf);
|
|
|
- }
|
|
|
-
|
|
|
- kfree(packet);
|
|
|
-}
|
|
|
-
|
|
|
-static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
|
|
|
-{
|
|
|
- odev->last_val = val;
|
|
|
-
|
|
|
- if (val == 0) {
|
|
|
- odev->buf_offs += count;
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- while (count-- > 0) {
|
|
|
- size_t x = odev->buf_offs % odev->width;
|
|
|
- size_t y = odev->buf_offs / odev->width;
|
|
|
- size_t i;
|
|
|
-
|
|
|
- x += odev->x_shift;
|
|
|
- y += odev->y_shift;
|
|
|
-
|
|
|
- switch (odev->pack_mode) {
|
|
|
- case PACK_MODE_G1:
|
|
|
- /*
|
|
|
- * i = (x/128)*640 + 127 - x + (y/8)*128;
|
|
|
- * This one for 128 is the same, but might be better
|
|
|
- * for different widths?
|
|
|
- */
|
|
|
- i = (x/odev->dev_width)*640 +
|
|
|
- odev->dev_width - 1 - x +
|
|
|
- (y/8)*odev->dev_width;
|
|
|
- break;
|
|
|
-
|
|
|
- case PACK_MODE_G50:
|
|
|
- i = (odev->dev_width - 1 - x)/8 + y*odev->dev_width/8;
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- i = 0;
|
|
|
- dev_err(odev->dev, "Unknown OLED Pack Mode: %d!\n",
|
|
|
- odev->pack_mode);
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (i >= odev->buf_size) {
|
|
|
- dev_err(odev->dev, "Buffer overflow! Report a bug: offs: %zu >= %zu i: %zu (x: %zu y: %zu)\n",
|
|
|
- odev->buf_offs, odev->buf_size, i, x, y);
|
|
|
- return -EIO;
|
|
|
- }
|
|
|
-
|
|
|
- switch (odev->pack_mode) {
|
|
|
- case PACK_MODE_G1:
|
|
|
- odev->buf[i] &= ~(1<<(y%8));
|
|
|
- break;
|
|
|
-
|
|
|
- case PACK_MODE_G50:
|
|
|
- odev->buf[i] &= ~(1<<(x%8));
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- /* cannot get here; stops gcc complaining*/
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- odev->buf_offs++;
|
|
|
- }
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t odev_set_picture(struct asus_oled_dev *odev,
|
|
|
- const char *buf, size_t count)
|
|
|
-{
|
|
|
- size_t offs = 0, max_offs;
|
|
|
-
|
|
|
- if (count < 1)
|
|
|
- return 0;
|
|
|
-
|
|
|
- if (tolower(buf[0]) == 'b') {
|
|
|
- /* binary mode, set the entire memory*/
|
|
|
-
|
|
|
- size_t i;
|
|
|
-
|
|
|
- odev->buf_size = (odev->dev_width * ASUS_OLED_DISP_HEIGHT) / 8;
|
|
|
-
|
|
|
- kfree(odev->buf);
|
|
|
- odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
|
|
|
- if (odev->buf == NULL) {
|
|
|
- odev->buf_size = 0;
|
|
|
- dev_err(odev->dev, "Out of memory!\n");
|
|
|
- return -ENOMEM;
|
|
|
- }
|
|
|
-
|
|
|
- memset(odev->buf, 0xff, odev->buf_size);
|
|
|
-
|
|
|
- for (i = 1; i < count && i <= 32 * 32; i++) {
|
|
|
- odev->buf[i-1] = buf[i];
|
|
|
- odev->buf_offs = i-1;
|
|
|
- }
|
|
|
-
|
|
|
- odev->width = odev->dev_width / 8;
|
|
|
- odev->height = ASUS_OLED_DISP_HEIGHT;
|
|
|
- odev->x_shift = 0;
|
|
|
- odev->y_shift = 0;
|
|
|
- odev->last_val = 0;
|
|
|
-
|
|
|
- send_data(odev);
|
|
|
-
|
|
|
- return count;
|
|
|
- }
|
|
|
-
|
|
|
- if (buf[0] == '<') {
|
|
|
- size_t i;
|
|
|
- size_t w = 0, h = 0;
|
|
|
- size_t w_mem, h_mem;
|
|
|
-
|
|
|
- if (count < 10 || buf[2] != ':')
|
|
|
- goto error_header;
|
|
|
-
|
|
|
-
|
|
|
- switch (tolower(buf[1])) {
|
|
|
- case ASUS_OLED_STATIC:
|
|
|
- case ASUS_OLED_ROLL:
|
|
|
- case ASUS_OLED_FLASH:
|
|
|
- odev->pic_mode = buf[1];
|
|
|
- break;
|
|
|
- default:
|
|
|
- dev_err(odev->dev, "Wrong picture mode: '%c'.\n",
|
|
|
- buf[1]);
|
|
|
- return -EIO;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- for (i = 3; i < count; ++i) {
|
|
|
- if (buf[i] >= '0' && buf[i] <= '9') {
|
|
|
- w = 10*w + (buf[i] - '0');
|
|
|
-
|
|
|
- if (w > ASUS_OLED_MAX_WIDTH)
|
|
|
- goto error_width;
|
|
|
- } else if (tolower(buf[i]) == 'x') {
|
|
|
- break;
|
|
|
- } else {
|
|
|
- goto error_width;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- for (++i; i < count; ++i) {
|
|
|
- if (buf[i] >= '0' && buf[i] <= '9') {
|
|
|
- h = 10*h + (buf[i] - '0');
|
|
|
-
|
|
|
- if (h > ASUS_OLED_DISP_HEIGHT)
|
|
|
- goto error_height;
|
|
|
- } else if (tolower(buf[i]) == '>') {
|
|
|
- break;
|
|
|
- } else {
|
|
|
- goto error_height;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (w < 1 || w > ASUS_OLED_MAX_WIDTH)
|
|
|
- goto error_width;
|
|
|
-
|
|
|
- if (h < 1 || h > ASUS_OLED_DISP_HEIGHT)
|
|
|
- goto error_height;
|
|
|
-
|
|
|
- if (i >= count || buf[i] != '>')
|
|
|
- goto error_header;
|
|
|
-
|
|
|
- offs = i+1;
|
|
|
-
|
|
|
- if (w % (odev->dev_width) != 0)
|
|
|
- w_mem = (w/(odev->dev_width) + 1)*(odev->dev_width);
|
|
|
- else
|
|
|
- w_mem = w;
|
|
|
-
|
|
|
- if (h < ASUS_OLED_DISP_HEIGHT)
|
|
|
- h_mem = ASUS_OLED_DISP_HEIGHT;
|
|
|
- else
|
|
|
- h_mem = h;
|
|
|
-
|
|
|
- odev->buf_size = w_mem * h_mem / 8;
|
|
|
-
|
|
|
- kfree(odev->buf);
|
|
|
- odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
|
|
|
-
|
|
|
- if (odev->buf == NULL) {
|
|
|
- odev->buf_size = 0;
|
|
|
- dev_err(odev->dev, "Out of memory!\n");
|
|
|
- return -ENOMEM;
|
|
|
- }
|
|
|
-
|
|
|
- memset(odev->buf, 0xff, odev->buf_size);
|
|
|
-
|
|
|
- odev->buf_offs = 0;
|
|
|
- odev->width = w;
|
|
|
- odev->height = h;
|
|
|
- odev->x_shift = 0;
|
|
|
- odev->y_shift = 0;
|
|
|
- odev->last_val = 0;
|
|
|
-
|
|
|
- if (odev->pic_mode == ASUS_OLED_FLASH) {
|
|
|
- if (h < ASUS_OLED_DISP_HEIGHT/2)
|
|
|
- odev->y_shift = (ASUS_OLED_DISP_HEIGHT/2 - h)/2;
|
|
|
- } else {
|
|
|
- if (h < ASUS_OLED_DISP_HEIGHT)
|
|
|
- odev->y_shift = (ASUS_OLED_DISP_HEIGHT - h)/2;
|
|
|
- }
|
|
|
-
|
|
|
- if (w < (odev->dev_width))
|
|
|
- odev->x_shift = ((odev->dev_width) - w)/2;
|
|
|
- }
|
|
|
-
|
|
|
- max_offs = odev->width * odev->height;
|
|
|
-
|
|
|
- while (offs < count && odev->buf_offs < max_offs) {
|
|
|
- int ret = 0;
|
|
|
-
|
|
|
- if (buf[offs] == '1' || buf[offs] == '#') {
|
|
|
- ret = append_values(odev, 1, 1);
|
|
|
- if (ret < 0)
|
|
|
- return ret;
|
|
|
- } else if (buf[offs] == '0' || buf[offs] == ' ') {
|
|
|
- ret = append_values(odev, 0, 1);
|
|
|
- if (ret < 0)
|
|
|
- return ret;
|
|
|
- } else if (buf[offs] == '\n') {
|
|
|
- /*
|
|
|
- * New line detected. Lets assume, that all characters
|
|
|
- * till the end of the line were equal to the last
|
|
|
- * character in this line.
|
|
|
- */
|
|
|
- if (odev->buf_offs % odev->width != 0)
|
|
|
- ret = append_values(odev, odev->last_val,
|
|
|
- odev->width -
|
|
|
- (odev->buf_offs %
|
|
|
- odev->width));
|
|
|
- if (ret < 0)
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
- offs++;
|
|
|
- }
|
|
|
-
|
|
|
- if (odev->buf_offs >= max_offs)
|
|
|
- send_data(odev);
|
|
|
-
|
|
|
- return count;
|
|
|
-
|
|
|
-error_width:
|
|
|
- dev_err(odev->dev, "Wrong picture width specified.\n");
|
|
|
- return -EIO;
|
|
|
-
|
|
|
-error_height:
|
|
|
- dev_err(odev->dev, "Wrong picture height specified.\n");
|
|
|
- return -EIO;
|
|
|
-
|
|
|
-error_header:
|
|
|
- dev_err(odev->dev, "Wrong picture header.\n");
|
|
|
- return -EIO;
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t set_picture(struct device *dev, struct device_attribute *attr,
|
|
|
- const char *buf, size_t count)
|
|
|
-{
|
|
|
- struct usb_interface *intf = to_usb_interface(dev);
|
|
|
-
|
|
|
- return odev_set_picture(usb_get_intfdata(intf), buf, count);
|
|
|
-}
|
|
|
-
|
|
|
-static ssize_t class_set_picture(struct device *device,
|
|
|
- struct device_attribute *attr,
|
|
|
- const char *buf, size_t count)
|
|
|
-{
|
|
|
- return odev_set_picture((struct asus_oled_dev *)
|
|
|
- dev_get_drvdata(device), buf, count);
|
|
|
-}
|
|
|
-
|
|
|
-#define ASUS_OLED_DEVICE_ATTR(_file) dev_attr_asus_oled_##_file
|
|
|
-
|
|
|
-static DEVICE_ATTR(asus_oled_enabled, S_IWUSR | S_IRUGO,
|
|
|
- get_enabled, set_enabled);
|
|
|
-static DEVICE_ATTR(asus_oled_picture, S_IWUSR , NULL, set_picture);
|
|
|
-
|
|
|
-static DEVICE_ATTR(enabled, S_IWUSR | S_IRUGO,
|
|
|
- class_get_enabled, class_set_enabled);
|
|
|
-static DEVICE_ATTR(picture, S_IWUSR, NULL, class_set_picture);
|
|
|
-
|
|
|
-static int asus_oled_probe(struct usb_interface *interface,
|
|
|
- const struct usb_device_id *id)
|
|
|
-{
|
|
|
- struct usb_device *udev = interface_to_usbdev(interface);
|
|
|
- struct asus_oled_dev *odev = NULL;
|
|
|
- int retval = -ENOMEM;
|
|
|
- uint16_t dev_width = 0;
|
|
|
- enum oled_pack_mode pack_mode = PACK_MODE_LAST;
|
|
|
- const struct oled_dev_desc_str *dev_desc = oled_dev_desc_table;
|
|
|
- const char *desc = NULL;
|
|
|
-
|
|
|
- if (!id) {
|
|
|
- /* Even possible? Just to make sure...*/
|
|
|
- dev_err(&interface->dev, "No usb_device_id provided!\n");
|
|
|
- return -ENODEV;
|
|
|
- }
|
|
|
-
|
|
|
- for (; dev_desc->idVendor; dev_desc++) {
|
|
|
- if (dev_desc->idVendor == id->idVendor
|
|
|
- && dev_desc->idProduct == id->idProduct) {
|
|
|
- dev_width = dev_desc->devWidth;
|
|
|
- desc = dev_desc->devDesc;
|
|
|
- pack_mode = dev_desc->packMode;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (!desc || dev_width < 1 || pack_mode == PACK_MODE_LAST) {
|
|
|
- dev_err(&interface->dev,
|
|
|
- "Missing or incomplete device description!\n");
|
|
|
- return -ENODEV;
|
|
|
- }
|
|
|
-
|
|
|
- odev = kzalloc(sizeof(struct asus_oled_dev), GFP_KERNEL);
|
|
|
- if (odev == NULL)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- odev->udev = usb_get_dev(udev);
|
|
|
- odev->pic_mode = ASUS_OLED_STATIC;
|
|
|
- odev->dev_width = dev_width;
|
|
|
- odev->pack_mode = pack_mode;
|
|
|
- odev->height = 0;
|
|
|
- odev->width = 0;
|
|
|
- odev->x_shift = 0;
|
|
|
- odev->y_shift = 0;
|
|
|
- odev->buf_offs = 0;
|
|
|
- odev->buf_size = 0;
|
|
|
- odev->last_val = 0;
|
|
|
- odev->buf = NULL;
|
|
|
- odev->enabled = 1;
|
|
|
- odev->dev = NULL;
|
|
|
-
|
|
|
- usb_set_intfdata(interface, odev);
|
|
|
-
|
|
|
- retval = device_create_file(&interface->dev,
|
|
|
- &ASUS_OLED_DEVICE_ATTR(enabled));
|
|
|
- if (retval)
|
|
|
- goto err_files;
|
|
|
-
|
|
|
- retval = device_create_file(&interface->dev,
|
|
|
- &ASUS_OLED_DEVICE_ATTR(picture));
|
|
|
- if (retval)
|
|
|
- goto err_files;
|
|
|
-
|
|
|
- odev->dev = device_create(oled_class, &interface->dev, MKDEV(0, 0),
|
|
|
- NULL, "oled_%d", ++oled_num);
|
|
|
-
|
|
|
- if (IS_ERR(odev->dev)) {
|
|
|
- retval = PTR_ERR(odev->dev);
|
|
|
- goto err_files;
|
|
|
- }
|
|
|
-
|
|
|
- dev_set_drvdata(odev->dev, odev);
|
|
|
-
|
|
|
- retval = device_create_file(odev->dev, &dev_attr_enabled);
|
|
|
- if (retval)
|
|
|
- goto err_class_enabled;
|
|
|
-
|
|
|
- retval = device_create_file(odev->dev, &dev_attr_picture);
|
|
|
- if (retval)
|
|
|
- goto err_class_picture;
|
|
|
-
|
|
|
- dev_info(&interface->dev,
|
|
|
- "Attached Asus OLED device: %s [width %u, pack_mode %d]\n",
|
|
|
- desc, odev->dev_width, odev->pack_mode);
|
|
|
-
|
|
|
- if (start_off)
|
|
|
- enable_oled(odev, 0);
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
-err_class_picture:
|
|
|
- device_remove_file(odev->dev, &dev_attr_picture);
|
|
|
-
|
|
|
-err_class_enabled:
|
|
|
- device_remove_file(odev->dev, &dev_attr_enabled);
|
|
|
- device_unregister(odev->dev);
|
|
|
-
|
|
|
-err_files:
|
|
|
- device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(enabled));
|
|
|
- device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(picture));
|
|
|
-
|
|
|
- usb_set_intfdata(interface, NULL);
|
|
|
- usb_put_dev(odev->udev);
|
|
|
- kfree(odev);
|
|
|
-
|
|
|
- return retval;
|
|
|
-}
|
|
|
-
|
|
|
-static void asus_oled_disconnect(struct usb_interface *interface)
|
|
|
-{
|
|
|
- struct asus_oled_dev *odev;
|
|
|
-
|
|
|
- odev = usb_get_intfdata(interface);
|
|
|
- usb_set_intfdata(interface, NULL);
|
|
|
-
|
|
|
- device_remove_file(odev->dev, &dev_attr_picture);
|
|
|
- device_remove_file(odev->dev, &dev_attr_enabled);
|
|
|
- device_unregister(odev->dev);
|
|
|
-
|
|
|
- device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(picture));
|
|
|
- device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(enabled));
|
|
|
-
|
|
|
- usb_put_dev(odev->udev);
|
|
|
-
|
|
|
- kfree(odev->buf);
|
|
|
-
|
|
|
- kfree(odev);
|
|
|
-
|
|
|
- dev_info(&interface->dev, "Disconnected Asus OLED device\n");
|
|
|
-}
|
|
|
-
|
|
|
-#ifdef CONFIG_PM
|
|
|
-static int asus_oled_suspend(struct usb_interface *intf, pm_message_t message)
|
|
|
-{
|
|
|
- struct asus_oled_dev *odev;
|
|
|
-
|
|
|
- odev = usb_get_intfdata(intf);
|
|
|
- if (!odev)
|
|
|
- return -ENODEV;
|
|
|
-
|
|
|
- odev->enabled_post_resume = odev->enabled;
|
|
|
- enable_oled(odev, 0);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int asus_oled_resume(struct usb_interface *intf)
|
|
|
-{
|
|
|
- struct asus_oled_dev *odev;
|
|
|
-
|
|
|
- odev = usb_get_intfdata(intf);
|
|
|
- if (!odev)
|
|
|
- return -ENODEV;
|
|
|
-
|
|
|
- enable_oled(odev, odev->enabled_post_resume);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-#else
|
|
|
-#define asus_oled_suspend NULL
|
|
|
-#define asus_oled_resume NULL
|
|
|
-#endif
|
|
|
-
|
|
|
-static struct usb_driver oled_driver = {
|
|
|
- .name = ASUS_OLED_NAME,
|
|
|
- .probe = asus_oled_probe,
|
|
|
- .disconnect = asus_oled_disconnect,
|
|
|
- .id_table = id_table,
|
|
|
- .suspend = asus_oled_suspend,
|
|
|
- .resume = asus_oled_resume,
|
|
|
-};
|
|
|
-
|
|
|
-static CLASS_ATTR_STRING(version, S_IRUGO,
|
|
|
- ASUS_OLED_UNDERSCORE_NAME " " ASUS_OLED_VERSION);
|
|
|
-
|
|
|
-static int __init asus_oled_init(void)
|
|
|
-{
|
|
|
- int retval = 0;
|
|
|
- oled_class = class_create(THIS_MODULE, ASUS_OLED_UNDERSCORE_NAME);
|
|
|
-
|
|
|
- if (IS_ERR(oled_class)) {
|
|
|
- pr_err("Error creating " ASUS_OLED_UNDERSCORE_NAME " class\n");
|
|
|
- return PTR_ERR(oled_class);
|
|
|
- }
|
|
|
-
|
|
|
- retval = class_create_file(oled_class, &class_attr_version.attr);
|
|
|
- if (retval) {
|
|
|
- pr_err("Error creating class version file\n");
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- retval = usb_register(&oled_driver);
|
|
|
-
|
|
|
- if (retval) {
|
|
|
- pr_err("usb_register failed. Error number %d\n", retval);
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- return retval;
|
|
|
-
|
|
|
-error:
|
|
|
- class_destroy(oled_class);
|
|
|
- return retval;
|
|
|
-}
|
|
|
-
|
|
|
-static void __exit asus_oled_exit(void)
|
|
|
-{
|
|
|
- usb_deregister(&oled_driver);
|
|
|
- class_remove_file(oled_class, &class_attr_version.attr);
|
|
|
- class_destroy(oled_class);
|
|
|
-}
|
|
|
-
|
|
|
-module_init(asus_oled_init);
|
|
|
-module_exit(asus_oled_exit);
|
|
|
-
|
Greg Kroah-Hartman