* 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.
*/
#include <linux/module.h>
#define DRVNAME "fb_pcd8544"
#define WIDTH 84
#define HEIGHT 48
-#define TXBUFLEN (84*6)
+#define TXBUFLEN (84 * 6)
#define DEFAULT_GAMMA "40" /* gamma controls the contrast in this driver */
static unsigned tc;
module_param(bs, uint, 0);
MODULE_PARM_DESC(bs, "BS[2:0] Bias voltage level: 0-7 (default: 4)");
-
static int init_display(struct fbtft_par *par)
{
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
-
par->fbtftops.reset(par);
/* Function set
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
- fbtft_par_dbg(DEBUG_SET_ADDR_WIN, par, "%s(xs=%d, ys=%d, xe=%d, ye=%d)\n",
- __func__, xs, ys, xe, ye);
-
/* H=0 Set X address of RAM
*
* 7:1 1
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
- u16 *vmem16 = (u16 *)par->info->screen_base;
+ u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y, i;
int ret = 0;
- fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s()\n", __func__);
-
for (x = 0; x < 84; x++) {
for (y = 0; y < 6; y++) {
*buf = 0x00;
for (i = 0; i < 8; i++)
- *buf |= (vmem16[(y*8+i)*84+x] ? 1 : 0) << i;
+ *buf |= (vmem16[(y * 8 + i) * 84 + x] ?
+ 1 : 0) << i;
buf++;
}
}
/* Write data */
gpio_set_value(par->gpio.dc, 1);
- ret = par->fbtftops.write(par, par->txbuf.buf, 6*84);
+ ret = par->fbtftops.write(par, par->txbuf.buf, 6 * 84);
if (ret < 0)
dev_err(par->info->device, "write failed and returned: %d\n",
ret);
static int set_gamma(struct fbtft_par *par, unsigned long *curves)
{
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
-
/* apply mask */
curves[0] &= 0x7F;
return 0;
}
-
static struct fbtft_display display = {
.regwidth = 8,
.width = WIDTH,
},
.backlight = 1,
};
+
FBTFT_REGISTER_DRIVER(DRVNAME, "philips,pdc8544", &display);
MODULE_ALIAS("spi:" DRVNAME);