- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!strncmp(this_opt, "mode:", 5)) {
- const char *name = this_opt+5;
- unsigned int namelen = strlen(name);
- int res_specified = 0, bpp_specified = 0;
- unsigned int xres = 0, yres = 0, bpp = 0;
- int yres_specified = 0;
- int i;
- for (i = namelen-1; i >= 0; i--) {
- switch (name[i]) {
- case '-':
- namelen = i;
- if (!bpp_specified && !yres_specified) {
- bpp = simple_strtoul(&name[i+1], NULL, 0);
- bpp_specified = 1;
- } else
- goto done;
- break;
- case 'x':
- if (!yres_specified) {
- yres = simple_strtoul(&name[i+1], NULL, 0);
- yres_specified = 1;
- } else
- goto done;
- break;
- case '0'...'9':
- break;
- default:
- goto done;
- }
- }
- if (i < 0 && yres_specified) {
- xres = simple_strtoul(name, NULL, 0);
- res_specified = 1;
- }
- done:
- if (res_specified) {
- dev_info(dev, "overriding resolution: %dx%d\n", xres, yres);
- inf->xres = xres; inf->yres = yres;
- }
- if (bpp_specified)
- switch (bpp) {
- case 1:
- case 2:
- case 4:
- case 8:
- case 16:
- inf->bpp = bpp;
- dev_info(dev, "overriding bit depth: %d\n", bpp);
- break;
- default:
- dev_err(dev, "Depth %d is not valid\n", bpp);
- }
- } else if (!strncmp(this_opt, "pixclock:", 9)) {
- inf->pixclock = simple_strtoul(this_opt+9, NULL, 0);
- dev_info(dev, "override pixclock: %ld\n", inf->pixclock);
- } else if (!strncmp(this_opt, "left:", 5)) {
- inf->left_margin = simple_strtoul(this_opt+5, NULL, 0);
- dev_info(dev, "override left: %u\n", inf->left_margin);
- } else if (!strncmp(this_opt, "right:", 6)) {
- inf->right_margin = simple_strtoul(this_opt+6, NULL, 0);
- dev_info(dev, "override right: %u\n", inf->right_margin);
- } else if (!strncmp(this_opt, "upper:", 6)) {
- inf->upper_margin = simple_strtoul(this_opt+6, NULL, 0);
- dev_info(dev, "override upper: %u\n", inf->upper_margin);
- } else if (!strncmp(this_opt, "lower:", 6)) {
- inf->lower_margin = simple_strtoul(this_opt+6, NULL, 0);
- dev_info(dev, "override lower: %u\n", inf->lower_margin);
- } else if (!strncmp(this_opt, "hsynclen:", 9)) {
- inf->hsync_len = simple_strtoul(this_opt+9, NULL, 0);
- dev_info(dev, "override hsynclen: %u\n", inf->hsync_len);
- } else if (!strncmp(this_opt, "vsynclen:", 9)) {
- inf->vsync_len = simple_strtoul(this_opt+9, NULL, 0);
- dev_info(dev, "override vsynclen: %u\n", inf->vsync_len);
- } else if (!strncmp(this_opt, "hsync:", 6)) {
- if (simple_strtoul(this_opt+6, NULL, 0) == 0) {
- dev_info(dev, "override hsync: Active Low\n");
- inf->sync &= ~FB_SYNC_HOR_HIGH_ACT;
- } else {
- dev_info(dev, "override hsync: Active High\n");
- inf->sync |= FB_SYNC_HOR_HIGH_ACT;
- }
- } else if (!strncmp(this_opt, "vsync:", 6)) {
- if (simple_strtoul(this_opt+6, NULL, 0) == 0) {
- dev_info(dev, "override vsync: Active Low\n");
- inf->sync &= ~FB_SYNC_VERT_HIGH_ACT;
- } else {
- dev_info(dev, "override vsync: Active High\n");
- inf->sync |= FB_SYNC_VERT_HIGH_ACT;
- }
- } else if (!strncmp(this_opt, "dpc:", 4)) {
- if (simple_strtoul(this_opt+4, NULL, 0) == 0) {
- dev_info(dev, "override double pixel clock: false\n");
- inf->lccr3 &= ~LCCR3_DPC;
- } else {
- dev_info(dev, "override double pixel clock: true\n");
- inf->lccr3 |= LCCR3_DPC;
- }
- } else if (!strncmp(this_opt, "outputen:", 9)) {
- if (simple_strtoul(this_opt+9, NULL, 0) == 0) {
- dev_info(dev, "override output enable: active low\n");
- inf->lccr3 = (inf->lccr3 & ~LCCR3_OEP) | LCCR3_OutEnL;
- } else {
- dev_info(dev, "override output enable: active high\n");
- inf->lccr3 = (inf->lccr3 & ~LCCR3_OEP) | LCCR3_OutEnH;
- }
- } else if (!strncmp(this_opt, "pixclockpol:", 12)) {
- if (simple_strtoul(this_opt+12, NULL, 0) == 0) {
- dev_info(dev, "override pixel clock polarity: falling edge\n");
- inf->lccr3 = (inf->lccr3 & ~LCCR3_PCP) | LCCR3_PixFlEdg;
- } else {
- dev_info(dev, "override pixel clock polarity: rising edge\n");
- inf->lccr3 = (inf->lccr3 & ~LCCR3_PCP) | LCCR3_PixRsEdg;
- }
- } else if (!strncmp(this_opt, "color", 5)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_CMS) | LCCR0_Color;
- } else if (!strncmp(this_opt, "mono", 4)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_CMS) | LCCR0_Mono;
- } else if (!strncmp(this_opt, "active", 6)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_PAS) | LCCR0_Act;
- } else if (!strncmp(this_opt, "passive", 7)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_PAS) | LCCR0_Pas;
- } else if (!strncmp(this_opt, "single", 6)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_SDS) | LCCR0_Sngl;
- } else if (!strncmp(this_opt, "dual", 4)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_SDS) | LCCR0_Dual;
- } else if (!strncmp(this_opt, "4pix", 4)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_DPD) | LCCR0_4PixMono;
- } else if (!strncmp(this_opt, "8pix", 4)) {
- inf->lccr0 = (inf->lccr0 & ~LCCR0_DPD) | LCCR0_8PixMono;
- } else {
- dev_err(dev, "unknown option: %s\n", this_opt);
- return -EINVAL;
- }
- }
- return 0;