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![Randy Dunlap](/assets/img/avatar_default.png)
Fix printk format warning: use %td for ptrdiff: drivers/staging/udlfb/udlfb.h:209: warning: format '%d' expects type 'int', but argument 3 has type 'long int' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
225 lines
5.9 KiB
C
225 lines
5.9 KiB
C
#ifndef UDLFB_H
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#define UDLFB_H
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#define MAX_VMODES 4
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#define FB_BPP 16
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#define STD_CHANNEL "\x57\xCD\xDC\xA7\x1C\x88\x5E\x15" \
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"\x60\xFE\xC6\x97\x16\x3D\x47\xF2"
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/* as libdlo */
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#define BUF_HIGH_WATER_MARK 1024
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#define BUF_SIZE (64*1024)
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struct dlfb_data {
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struct usb_device *udev;
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struct usb_interface *interface;
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struct urb *tx_urb, *ctrl_urb;
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struct usb_ctrlrequest dr;
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struct fb_info *info;
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char *buf;
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char *bufend;
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char *backing_buffer;
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struct mutex bulk_mutex;
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char edid[128];
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int screen_size;
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int line_length;
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struct completion done;
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int base16;
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int base16d;
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int base8;
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int base8d;
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};
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struct dlfb_video_mode {
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uint8_t col;
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uint32_t hclock;
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uint32_t vclock;
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uint8_t unknown1[6];
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uint16_t xres;
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uint8_t unknown2[6];
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uint16_t yres;
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uint8_t unknown3[4];
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} __attribute__ ((__packed__));
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static struct dlfb_video_mode dlfb_video_modes[MAX_VMODES];
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static void dlfb_bulk_callback(struct urb *urb)
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{
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struct dlfb_data *dev_info = urb->context;
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complete(&dev_info->done);
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}
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static void dlfb_edid(struct dlfb_data *dev_info)
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{
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int i;
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int ret;
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char rbuf[2];
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for (i = 0; i < 128; i++) {
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ret =
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usb_control_msg(dev_info->udev,
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usb_rcvctrlpipe(dev_info->udev, 0), (0x02),
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(0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
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0);
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/*printk("ret control msg edid %d: %d [%d]\n",i, ret, rbuf[1]); */
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dev_info->edid[i] = rbuf[1];
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}
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}
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static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len)
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{
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int ret;
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init_completion(&dev_info->done);
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dev_info->tx_urb->actual_length = 0;
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dev_info->tx_urb->transfer_buffer_length = len;
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ret = usb_submit_urb(dev_info->tx_urb, GFP_KERNEL);
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if (!wait_for_completion_timeout(&dev_info->done, 1000)) {
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usb_kill_urb(dev_info->tx_urb);
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printk("usb timeout !!!\n");
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}
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return dev_info->tx_urb->actual_length;
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}
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static void dlfb_init_modes(void)
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{
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dlfb_video_modes[0].col = 0;
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memcpy(&dlfb_video_modes[0].hclock, "\x20\x3C\x7A\xC9", 4);
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memcpy(&dlfb_video_modes[0].vclock, "\xF2\x6C\x48\xF9", 4);
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memcpy(&dlfb_video_modes[0].unknown1, "\x70\x53\xFF\xFF\x21\x27", 6);
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dlfb_video_modes[0].xres = 800;
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memcpy(&dlfb_video_modes[0].unknown2, "\x91\xF3\xFF\xFF\xFF\xF9", 6);
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dlfb_video_modes[0].yres = 480;
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memcpy(&dlfb_video_modes[0].unknown3, "\x01\x02\xC8\x19", 4);
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dlfb_video_modes[1].col = 0;
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memcpy(&dlfb_video_modes[1].hclock, "\x36\x18\xD5\x10", 4);
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memcpy(&dlfb_video_modes[1].vclock, "\x60\xA9\x7B\x33", 4);
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memcpy(&dlfb_video_modes[1].unknown1, "\xA1\x2B\x27\x32\xFF\xFF", 6);
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dlfb_video_modes[1].xres = 1024;
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memcpy(&dlfb_video_modes[1].unknown2, "\xD9\x9A\xFF\xCA\xFF\xFF", 6);
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dlfb_video_modes[1].yres = 768;
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memcpy(&dlfb_video_modes[1].unknown3, "\x04\x03\xC8\x32", 4);
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dlfb_video_modes[2].col = 0;
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memcpy(&dlfb_video_modes[2].hclock, "\x98\xF8\x0D\x57", 4);
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memcpy(&dlfb_video_modes[2].vclock, "\x2A\x55\x4D\x54", 4);
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memcpy(&dlfb_video_modes[2].unknown1, "\xCA\x0D\xFF\xFF\x94\x43", 6);
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dlfb_video_modes[2].xres = 1280;
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memcpy(&dlfb_video_modes[2].unknown2, "\x9A\xA8\xFF\xFF\xFF\xF9", 6);
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dlfb_video_modes[2].yres = 1024;
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memcpy(&dlfb_video_modes[2].unknown3, "\x04\x02\x60\x54", 4);
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dlfb_video_modes[3].col = 0;
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memcpy(&dlfb_video_modes[3].hclock, "\x42\x24\x38\x36", 4);
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memcpy(&dlfb_video_modes[3].vclock, "\xC1\x52\xD9\x29", 4);
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memcpy(&dlfb_video_modes[3].unknown1, "\xEA\xB8\x32\x60\xFF\xFF", 6);
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dlfb_video_modes[3].xres = 1400;
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memcpy(&dlfb_video_modes[3].unknown2, "\xC9\x4E\xFF\xFF\xFF\xF2", 6);
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dlfb_video_modes[3].yres = 1050;
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memcpy(&dlfb_video_modes[3].unknown3, "\x04\x02\x1E\x5F", 4);
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}
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static char *dlfb_set_register(char *bufptr, uint8_t reg, uint8_t val)
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{
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*bufptr++ = 0xAF;
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*bufptr++ = 0x20;
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*bufptr++ = reg;
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*bufptr++ = val;
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return bufptr;
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}
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static int dlfb_set_video_mode(struct dlfb_data *dev_info, int width, int height)
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{
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int i, ret;
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unsigned char j;
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char *bufptr = dev_info->buf;
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uint8_t *vdata;
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for (i = 0; i < MAX_VMODES; i++) {
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printk("INIT VIDEO %d %d %d\n", i, dlfb_video_modes[i].xres,
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dlfb_video_modes[i].yres);
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if (dlfb_video_modes[i].xres == width
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&& dlfb_video_modes[i].yres == height) {
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dev_info->base16 = 0;
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dev_info->base16d = width * height * (FB_BPP / 8);
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//dev_info->base8 = width * height * (FB_BPP / 8);
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dev_info->base8 = dev_info->base16;
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dev_info->base8d = dev_info->base16d;
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/* set encryption key (null) */
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memcpy(dev_info->buf, STD_CHANNEL, 16);
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ret =
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usb_control_msg(dev_info->udev,
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usb_sndctrlpipe(dev_info->udev, 0),
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0x12, (0x02 << 5), 0, 0,
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dev_info->buf, 16, 0);
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printk("ret control msg 1 (STD_CHANNEL): %d\n", ret);
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/* set registers */
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bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
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/* set color depth */
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bufptr = dlfb_set_register(bufptr, 0x00, 0x00);
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/* set addresses */
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bufptr =
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dlfb_set_register(bufptr, 0x20,
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(char)(dev_info->base16 >> 16));
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bufptr =
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dlfb_set_register(bufptr, 0x21,
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(char)(dev_info->base16 >> 8));
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bufptr =
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dlfb_set_register(bufptr, 0x22,
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(char)(dev_info->base16));
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bufptr =
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dlfb_set_register(bufptr, 0x26,
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(char)(dev_info->base8 >> 16));
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bufptr =
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dlfb_set_register(bufptr, 0x27,
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(char)(dev_info->base8 >> 8));
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bufptr =
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dlfb_set_register(bufptr, 0x28,
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(char)(dev_info->base8));
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/* set video mode */
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vdata = (uint8_t *)&dlfb_video_modes[i];
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for (j = 0; j < 29; j++)
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bufptr = dlfb_set_register(bufptr, j, vdata[j]);
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/* blank */
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bufptr = dlfb_set_register(bufptr, 0x1F, 0x00);
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/* end registers */
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bufptr = dlfb_set_register(bufptr, 0xFF, 0xFF);
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/* send */
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ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
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printk("ret bulk 2: %d %td\n", ret,
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bufptr - dev_info->buf);
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/* flush */
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ret = dlfb_bulk_msg(dev_info, 0);
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printk("ret bulk 3: %d\n", ret);
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dev_info->screen_size = width * height * (FB_BPP / 8);
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dev_info->line_length = width * (FB_BPP / 8);
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return 0;
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}
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}
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return -1;
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}
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#endif
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