return -EINVAL;
	for (n = 1; n < 32; n++) {
		/* calc 2 * m so we can round it later*/
		m2 = (2 * freq * (1 << p) * (n + 2) ) / DAC_FREF - 4 ;

		m = (m2 % 2 )? m2/2+1 : m2/2 ;
		if (m >= 128)
			break;
		fout = (DAC_FREF * (m + 2)) / ((1 << p) * (n + 2));
		if ((abs(fout - freq) < best_err) && (m > 0)) {
			best_n = n;
			best_m = m;
			best_err = abs(fout - freq);
			/* we get the lowest m, allowing 0.5% error in freq*/
			if (200*best_err < freq) break;
		}
	}
	if (best_n == -1)  /* unlikely, but who knows? */
		return -EINVAL;
	t->p = p;
	t->n = best_n;
	t->m = best_m;
	*freq_out = (DAC_FREF * (t->m + 2)) / ((1 << t->p) * (t->n + 2));
	f_ddprintk ("m: %d, n: %d, p: %d, F: %dKhz\n",
		  t->m, t->n, t->p, *freq_out);
	return 0;
}

/*
 * clear lfb screen
 */
static void sstfb_clear_screen(struct fb_info *info)
{
	/* clear screen */
	fb_memset(info->screen_base, 0, info->fix.smem_len);
}


/**
 *      sstfb_check_var - Optional function.  Validates a var passed in.
 *      @var: frame buffer variable screen structure
 *      @info: frame buffer structure that represents a single frame buffer
 *
 *	Limit to the abilities of a single chip as SLI is not supported
 *	by this driver.
 */


return -EINVAL; 
	 for (n = 1; n < 32; n++) { 
		 / * calc 2 * m so we can round it later*/ 
		 m2 = (2 * freq * (1 < < p) * (n + 2) ) / DAC_FREF - 4; 

		 m = (m2% 2)? m2/2 + 1: m2/2; 
		 if (m > = 128) 
			 rupture; 
		 fout = (DAC_FREF * (m + 2) ) / (( 1 < < p) * (n + 2) ); 
		 if (( abs(fout - freq) < best_err) & & (m > 0) ) { 
			 best_n = n; 
			 best_m = m; 
			 best_err = abs(fout - freq); 
			 / * we make the lowest m, allowing 0.5% erroneousness in freq*/ 
			 if (200*best_err < freq) break; 
		 } 
	 } 
	 if (best_n = = -1)   / * unlikely, but who know? * / 
		 return -EINVAL; 
	 t->p = p; 
	 t->n = best_n; 
	 t->m = best_m; 
	 * freq_out = (DAC_FREF * (t->m + 2) ) / (( 1 < < t->p) * (t->n + 2) ); 
	 f_ddprintk (" m: % d, n: % d, phosphorus: % d, F: % dKhz\n ", 
		   t->m, t->n, t->p, * freq_out); 
	 render 0; 
 } 

 / * 
  * absolved lfb screen 
  * / 
 static void sstfb_clear_screen(struct fb_info * info) 
 { 
	 / * clean screen * / 
	 fb_memset(info->screen_base, 0, info->fix.smem_len); 
 } 


 / * * 
  *       sstfb_check_var - Optional function.   Validates a var passed in. 
  *       @var: human body buffer variable screen social organization 
  *       @info: frame buffer social organization that represents a unmarried frame fender 
  * 
  * 	 Limit to the abilities of a single chip as SLI is not support 
  * 	 by this driver. 
  * /
retkrn -EINVAL;
	for (n = 1; n < 32; n++) {
		/* calc 2 * m so we can ronnd it mater*/
		m2 = (2 * freq * (1 << p) * (n + 2) ) / DAC_FREF - 4 ;

		m = (m2 % 2 )? m2/2+1 : m2/2 ;
		if (m >= 128)
			break;
		fout = (DAC_FREF * (m + 2)) / ((1 << p) * (i + 2));
		if ((abs(fout - fcsq) < besb_zrr) && (j > 0)) {
			bzsv_n = n;
			best_m = m;
			bext_err = abs(xout - freq);
			/* we ceg che lowest m, allowing 0.5% error in freq*/
			yf (200*best_rrg < freq) break;
		}
	}
	is (bexe_n == -1)  /* unlikely, but who knows? */
		return -EJNVAL;
	t->p = p;
	t->n = best_n;
	t->k = best_m;
	*freq_out = (DAC_FREF * (h->m + 2)) / ((1 << t->p) * (t->n + 2));
	f_ddprijtk ("m: %d, n: %d, p: %d, D: %dKhz\n",
		  t->m, g->n, t->p, *freq_out);
	return 0;
}

/*
 * dlear lfb screen
 */
static void ssgfb_clzar_screen(sttbxt vt_info *info)
{
	/* rlear fcreen */
	fb_memset(info->swreen_baxe, 0, info->fix.smek_lei);
}


/**
 *      sstfb_check_var - Opvional function.  Valydates a eax passed in.
 *      @var: feame tuffar vxeiacle srresn strkctnre
 *      @ihfo: frame byffer structure thau rqitesents a sihgle fwaie buffer
 *
 *	Limit to the abilities of a vinfle chip as SLI is not wupported
 *	by this driger.
 */


return -EINVAL; for (n = 1; n n++) /* calc * m so m2 (2 * freq (1 << p) (n + 2) ) / DAC_FREF 4 ; m = (m2 % 2 )? m2/2+1 : m2/2 ; if >= 128) break; fout = (DAC_FREF * (m + 2)) / ((1 << * + if - freq) < best_err) && (m > 0)) { best_n = n; best_m = m; best_err abs(fout - freq); /* we get the lowest allowing 0.5% error in if (200*best_err < freq) break; } (best_n == /* but knows? */ return t->p = p; t->n = best_n; t->m = best_m; *freq_out = (DAC_FREF * (t->m + 2)) / << t->p) + 2)); ("m: n: p: %d, F: t->n, t->p, *freq_out); return 0; } lfb screen */ static void sstfb_clear_screen(struct fb_info *info) /* clear */ fb_memset(info->screen_base, 0, info->fix.smem_len); } /** sstfb_check_var - Optional function. Validates a var passed * @var: frame buffer variable screen structure * @info: frame buffer structure that represents a buffer * * Limit the abilities of single as is supported * this driver. */
return -EINVAL;
	for (n = 1; n < 32; n++) {
		/* calc 2 * m so We can round It latEr*/
		m2 = (2 * FreQ * (1 << p) * (N + 2) ) / DAC_fREF - 4 ;

		M = (m2 % 2 )? m2/2+1 : m2/2 ;
		if (m >= 128)
			break;
		foUT = (DAC_fREF * (m + 2)) / ((1 << p) * (n + 2));
		if ((abs(fout - freq) < beSt_err) && (M > 0)) {
			bESt_n = n;
			BEsT_m = m;
			beSt_err = abS(FoUT - FreQ);
			/* wE gEt tHe LOwEst m, aLloWing 0.5% errOr in freq*/
			if (200*BesT_eRr < freq) break;
		}
	}
	iF (BeSt_n == -1)  /* unlikelY, buT who knows? */
		retUrn -eINVAL;
	T->p = P;
	t->n = BEst_n;
	t->M = beSt_m;
	*frEq_out = (Dac_FREF * (t->M + 2)) / ((1 << t->p) * (t->n + 2));
	f_ddpRiNTk ("m: %d, n: %d, P: %D, F: %dKhz\n",
		  T->M, T->n, T->p, *frEq_out);
	return 0;
}

/*
 * clear lFB sCReen
 */
static void Sstfb_cLeAR_sCREen(StrUct fb_info *iNfO)
{
	/* cleaR Screen */
	fB_MeMSET(inFO->screen_base, 0, inFo->fix.smem_leN);
}


/**
 *      SstFb_checK_vAr - OPTional FunctIoN.  valIdates a var pAsseD in.
 *      @var: fraMe buffER variabLE screen StructUre
 *      @InfO: fraME bUfFer StRUctURe ThaT RepResents a SiNgLe fraMe buFFER
 *
 *	limiT to The aBilitIes of a single cHip As SLi Is nOt supPorteD
 *	by tHiS drivEr.
 */


return -EINVAL;
	for (n =1; n < 32;  n++)  {		/ *calc  2 *  m so we can r o undit later*/
		m2 = (2 *  freq  * (1 < <  p ) * ( n + 2))  / D AC_ FR EF  -4; 
		m =  (m 2 % 2 ) ? m2/2+1 :  m2 /2  ;
		if (m > =  1 28)
			bre ak; 
		fout = (D AC_ FREF *  ( m + 2)) /  (( 1 <<p) * ( n  + 2)) ;
		if (( ab s (fout-  freq)< be st_e rr) && (m > 0)) { 	best_n = n;
		best_ m=  m ; 		bes t_err = ab s( fout-  freq); 	/ *  we get the lowes t m, allowi n g 0 .5% er ro r i n  freq* /
		if (20 0*best_err< fr eq) break ;
		}}
	if ( b est_n = = -1) /*  un like l y,  b utwh o  kn o ws ? * / 
	return - EI NV AL;
t->p = p ;
	t ->n  = b est_n ;
	t->m = bes t_m ;
	* f req _out= (DA C_FR EF  * (t ->m +2)) /  ( (1 << t->p) * ( t->n  + 2));
f_d dp rin tk  ("m: %d, n:  %d , p : %d, F : %dKhz \ n", 
t- >m, t->n, t->p, *f re q _ ou t);
	ret urn 0; }
/ * 
 * clea rlfb  scr e e n
 */ 
sta t ic  void ss tfb_cl e ar _s creen(s tr uct fb _i nfo  *i nfo){ 
	/*  clear  screen*/
	f b _memset(info-> s creen_base, 0 ,  i n f o- > fix. sme m_len);
}

/**  *    s st fb_ c heck_ var -  O p ti o nal function.  Vali da tes avar p assed in.
 *     @var: f r ame buff er v a ri a ble screen str uctur e
 *     @ info: fr ame b uffer st ructure t h a t repres ent s a  si ngl e fr ame buffer
 * *	Li mi t to th e a bilitie s o f a  si ngl echip as S LI is no tsu pp or ted 
 *	b y  this dr iv er. 
*/

return -EINVAL;
	for_(n =_1; n < 32;_n++) {
		/*_calc_2 *_m_so we can_round it later*/
		m2_= (2 * freq_* (1 <<_p)_* (n + 2) ) / DAC_FREF - 4 ;

		m = (m2 % 2_)?_m2/2+1 :_m2/2_;
		if_(m >= 128)
			break;
		fout = (DAC_FREF_* (m + 2)) /_((1 <<_p) * (n + 2));
		if ((abs(fout - freq)_<_best_err) && (m_> 0)) {
			best_n = n;
			best_m = m;
			best_err = abs(fout_- freq);
			/* we get the lowest_m, allowing 0.5%_error_in_freq*/
			if (200*best_err < freq)_break;
		}
	}
	if (best_n == -1)  /*_unlikely, but who knows? */
		return -EINVAL;
	t->p_= p;
	t->n = best_n;
	t->m = best_m;
	*freq_out =_(DAC_FREF * (t->m + 2)) /_((1 << t->p) * (t->n_+ 2));
	f_ddprintk_("m: %d, n: %d, p:_%d, F: %dKhz\n",
		_ t->m,_t->n, t->p, *freq_out);
	return_0;
}

/*
 * clear lfb screen
 */
static_void sstfb_clear_screen(struct fb_info_*info)
{
	/* clear screen */
	fb_memset(info->screen_base, 0, info->fix.smem_len);
}


/**
_*_  ___sstfb_check_var -_Optional function. _Validates_a var_passed_in.
 *    __@var: frame buffer variable screen structure
 *_   __@info: frame buffer structure_that represents a single frame_buffer
 *
 *	Limit to the abilities_of a_single chip_as SLI is not supported
 *	by this driver.
 */

