Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / sound / pci / au88x0 / au88x0_eq.c
index f8f5263..0c86a31 100644 (file)
@@ -45,6 +45,8 @@
 #define VORTEX_EQ_SOURCE (VORTEX_EQ_BASE + 0x430)
 #define VORTEX_EQ_CTRL   (VORTEX_EQ_BASE + 0x440)
 
+#define VORTEX_BAND_COEFF_SIZE 0x30
+
 /* CEqHw.s */
 static void vortex_EqHw_SetTimeConsts(vortex_t * vortex, u16 gain, u16 level)
 {
@@ -52,10 +54,19 @@ static void vortex_EqHw_SetTimeConsts(vortex_t * vortex, u16 gain, u16 level)
        hwwrite(vortex->mmio, 0x2b3c8, level);
 }
 
+static inline u16 sign_invert(u16 a)
+{
+       /* -(-32768) -> -32768 so we do -(-32768) -> 32767 to make the result positive */
+       if (a == (u16)-32768)
+               return 32767;
+       else
+               return -a;
+}
+
 static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
 {
        eqhw_t *eqhw = &(vortex->eq.this04);
-       int eax, i = 0, n /*esp2c */;
+       int i = 0, n /*esp2c */;
 
        for (n = 0; n < eqhw->this04; n++) {
                hwwrite(vortex->mmio, 0x2b000 + n * 0x30, coefs[i + 0]);
@@ -64,25 +75,12 @@ static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
                if (eqhw->this08 == 0) {
                        hwwrite(vortex->mmio, 0x2b008 + n * 0x30, coefs[i + 2]);
                        hwwrite(vortex->mmio, 0x2b00c + n * 0x30, coefs[i + 3]);
-                       eax = coefs[i + 4];     //esp24;
+                       hwwrite(vortex->mmio, 0x2b010 + n * 0x30, coefs[i + 4]);
                } else {
-                       if (coefs[2 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~coefs[2 + i];
-                       hwwrite(vortex->mmio, 0x2b008 + n * 0x30, eax & 0xffff);
-                       if (coefs[3 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~coefs[3 + i];
-                       hwwrite(vortex->mmio, 0x2b00c + n * 0x30, eax & 0xffff);
-                       if (coefs[4 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~coefs[4 + i];
+                       hwwrite(vortex->mmio, 0x2b008 + n * 0x30, sign_invert(coefs[2 + i]));
+                       hwwrite(vortex->mmio, 0x2b00c + n * 0x30, sign_invert(coefs[3 + i]));
+                       hwwrite(vortex->mmio, 0x2b010 + n * 0x30, sign_invert(coefs[4 + i]));
                }
-               hwwrite(vortex->mmio, 0x2b010 + n * 0x30, eax);
-
                i += 5;
        }
 }
@@ -90,7 +88,7 @@ static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
 static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
 {
        eqhw_t *eqhw = &(vortex->eq.this04);
-       int i = 0, n /*esp2c */, eax;
+       int i = 0, n /*esp2c */;
 
        for (n = 0; n < eqhw->this04; n++) {
                hwwrite(vortex->mmio, 0x2b1e0 + n * 0x30, coefs[0 + i]);
@@ -99,24 +97,12 @@ static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
                if (eqhw->this08 == 0) {
                        hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, coefs[2 + i]);
                        hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, coefs[3 + i]);
-                       eax = coefs[4 + i];     //*esp24;
+                       hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, coefs[4 + i]);
                } else {
-                       if (coefs[2 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~(coefs[2 + i]);
-                       hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, eax & 0xffff);
-                       if (coefs[3 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~coefs[3 + i];
-                       hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, eax & 0xffff);
-                       if (coefs[4 + i] == 0x8000)
-                               eax = 0x7fff;
-                       else
-                               eax = ~coefs[4 + i];
+                       hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, sign_invert(coefs[2 + i]));
+                       hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, sign_invert(coefs[3 + i]));
+                       hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, sign_invert(coefs[4 + i]));
                }
-               hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, eax);
                i += 5;
        }
 
@@ -188,22 +174,12 @@ static void vortex_EqHw_GetRightStates(vortex_t * vortex, u16 * a, u16 b[])
 static void vortex_EqHw_SetBypassGain(vortex_t * vortex, u16 a, u16 b)
 {
        eqhw_t *eqhw = &(vortex->eq.this04);
-       int eax;
-
        if (eqhw->this08 == 0) {
                hwwrite(vortex->mmio, 0x2b3d4, a);
                hwwrite(vortex->mmio, 0x2b3ec, b);
        } else {
-               if (a == 0x8000)
-                       eax = 0x7fff;
-               else
-                       eax = ~a;
-               hwwrite(vortex->mmio, 0x2b3d4, eax & 0xffff);
-               if (b == 0x8000)
-                       eax = 0x7fff;
-               else
-                       eax = ~b;
-               hwwrite(vortex->mmio, 0x2b3ec, eax & 0xffff);
+               hwwrite(vortex->mmio, 0x2b3d4, sign_invert(a));
+               hwwrite(vortex->mmio, 0x2b3ec, sign_invert(b));
        }
 }
 
@@ -345,25 +321,27 @@ static void vortex_EqHw_GetRightGainsCurrent(vortex_t * vortex, u16 a[])
 
 #endif
 /* EQ band levels settings */
-static void vortex_EqHw_SetLevels(vortex_t * vortex, u16 a[])
+static void vortex_EqHw_SetLevels(vortex_t * vortex, u16 peaks[])
 {
        eqhw_t *eqhw = &(vortex->eq.this04);
-       int ebx;
+       int i;
 
-       for (ebx = 0; ebx < eqhw->this04; ebx++) {
-               hwwrite(vortex->mmio, 0x2b024 + ebx * 0x30, a[ebx]);
+       /* set left peaks */
+       for (i = 0; i < eqhw->this04; i++) {
+               hwwrite(vortex->mmio, 0x2b024 + i * VORTEX_BAND_COEFF_SIZE, peaks[i]);
        }
 
-       hwwrite(vortex->mmio, 0x2b3cc, a[eqhw->this04]);
-       hwwrite(vortex->mmio, 0x2b3d8, a[eqhw->this04 + 1]);
+       hwwrite(vortex->mmio, 0x2b3cc, peaks[eqhw->this04]);
+       hwwrite(vortex->mmio, 0x2b3d8, peaks[eqhw->this04 + 1]);
 
-       for (ebx = 0; ebx < eqhw->this04; ebx++) {
-               hwwrite(vortex->mmio, 0x2b204 + ebx * 0x30,
-                       a[ebx + (eqhw->this04 + 2)]);
+       /* set right peaks */
+       for (i = 0; i < eqhw->this04; i++) {
+               hwwrite(vortex->mmio, 0x2b204 + i * VORTEX_BAND_COEFF_SIZE,
+                       peaks[i + (eqhw->this04 + 2)]);
        }
 
-       hwwrite(vortex->mmio, 0x2b3e4, a[2 + (eqhw->this04 * 2)]);
-       hwwrite(vortex->mmio, 0x2b3f0, a[3 + (eqhw->this04 * 2)]);
+       hwwrite(vortex->mmio, 0x2b3e4, peaks[2 + (eqhw->this04 * 2)]);
+       hwwrite(vortex->mmio, 0x2b3f0, peaks[3 + (eqhw->this04 * 2)]);
 }
 
 #if 0
@@ -399,23 +377,23 @@ static void vortex_EqHw_GetLevels(vortex_t * vortex, u16 a[])
 
 #endif
 /* Global Control */
-static void vortex_EqHw_SetControlReg(vortex_t * vortex, unsigned long reg)
+static void vortex_EqHw_SetControlReg(vortex_t * vortex, u32 reg)
 {
        hwwrite(vortex->mmio, 0x2b440, reg);
 }
 
-static void vortex_EqHw_SetSampleRate(vortex_t * vortex, int sr)
+static void vortex_EqHw_SetSampleRate(vortex_t * vortex, u32 sr)
 {
        hwwrite(vortex->mmio, 0x2b440, ((sr & 0x1f) << 3) | 0xb800);
 }
 
 #if 0
-static void vortex_EqHw_GetControlReg(vortex_t * vortex, unsigned long *reg)
+static void vortex_EqHw_GetControlReg(vortex_t * vortex, u32 *reg)
 {
        *reg = hwread(vortex->mmio, 0x2b440);
 }
 
-static void vortex_EqHw_GetSampleRate(vortex_t * vortex, int *sr)
+static void vortex_EqHw_GetSampleRate(vortex_t * vortex, u32 *sr)
 {
        *sr = (hwread(vortex->mmio, 0x2b440) >> 3) & 0x1f;
 }
@@ -576,7 +554,7 @@ static void vortex_Eqlzr_SetRightGain(vortex_t * vortex, u16 index, u16 gain)
 
 #if 0
 static int
-vortex_Eqlzr_GetAllBands(vortex_t * vortex, u16 * gains, unsigned long *cnt)
+vortex_Eqlzr_GetAllBands(vortex_t * vortex, u16 * gains, s32 *cnt)
 {
        eqlzr_t *eq = &(vortex->eq);
        int si = 0;
@@ -608,7 +586,7 @@ static int vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex_t * vortex)
 }
 
 static int
-vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], unsigned long count)
+vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], s32 count)
 {
        eqlzr_t *eq = &(vortex->eq);
        int i;
@@ -626,11 +604,10 @@ vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], unsigned long count)
 }
 
 static void
-vortex_Eqlzr_SetA3dBypassGain(vortex_t * vortex, unsigned long a,
-                             unsigned long b)
+vortex_Eqlzr_SetA3dBypassGain(vortex_t * vortex, u32 a, u32 b)
 {
        eqlzr_t *eq = &(vortex->eq);
-       int eax, ebx;
+       u32 eax, ebx;
 
        eq->this58 = a;
        eq->this5c = b;
@@ -646,7 +623,7 @@ vortex_Eqlzr_SetA3dBypassGain(vortex_t * vortex, unsigned long a,
 static void vortex_Eqlzr_ProgramA3dBypassGain(vortex_t * vortex)
 {
        eqlzr_t *eq = &(vortex->eq);
-       int eax, ebx;
+       u32 eax, ebx;
 
        if (eq->this54)
                eax = eq->this0e;
@@ -663,7 +640,7 @@ static void vortex_Eqlzr_ShutDownA3d(vortex_t * vortex)
                vortex_EqHw_ZeroA3DIO(vortex);
 }
 
-static void vortex_Eqlzr_SetBypass(vortex_t * vortex, long bp)
+static void vortex_Eqlzr_SetBypass(vortex_t * vortex, u32 bp)
 {
        eqlzr_t *eq = &(vortex->eq);
        
@@ -673,8 +650,8 @@ static void vortex_Eqlzr_SetBypass(vortex_t * vortex, long bp)
                vortex_EqHw_SetBypassGain(vortex, eq->this08, eq->this08);
        } else {
                /* EQ disabled. */
-               vortex_EqHw_SetLeftGainsTarget(vortex, (u16 *) (eq->this14));
-               vortex_EqHw_SetRightGainsTarget(vortex, (u16 *) (eq->this14));
+               vortex_EqHw_SetLeftGainsTarget(vortex, eq->this14_array);
+               vortex_EqHw_SetRightGainsTarget(vortex, eq->this14_array);
                vortex_EqHw_SetBypassGain(vortex, eq->this0c, eq->this0c);
        }
        vortex_Eqlzr_ProgramA3dBypassGain(vortex);
@@ -728,7 +705,7 @@ static void vortex_Eqlzr_init(vortex_t * vortex)
        eq->this5c = 0xffff;
 
        /* Set gains. */
-       memset(eq->this14, 0, 2 * 10);
+       memset(eq->this14_array, 0, sizeof(eq->this14_array));
 
        /* Actual init. */
        vortex_EqHw_ZeroState(vortex);
@@ -752,7 +729,7 @@ static void vortex_Eqlzr_shutdown(vortex_t * vortex)
 
 /* Control interface */
 static int
-snd_vortex_eqtoggle_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
+snd_vortex_eqtoggle_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
        uinfo->count = 1;
@@ -762,8 +739,8 @@ snd_vortex_eqtoggle_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
 }
 
 static int
-snd_vortex_eqtoggle_get(snd_kcontrol_t * kcontrol,
-                       snd_ctl_elem_value_t * ucontrol)
+snd_vortex_eqtoggle_get(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
 {
        vortex_t *vortex = snd_kcontrol_chip(kcontrol);
        eqlzr_t *eq = &(vortex->eq);
@@ -775,8 +752,8 @@ snd_vortex_eqtoggle_get(snd_kcontrol_t * kcontrol,
 }
 
 static int
-snd_vortex_eqtoggle_put(snd_kcontrol_t * kcontrol,
-                       snd_ctl_elem_value_t * ucontrol)
+snd_vortex_eqtoggle_put(struct snd_kcontrol *kcontrol,
+                       struct snd_ctl_elem_value *ucontrol)
 {
        vortex_t *vortex = snd_kcontrol_chip(kcontrol);
        eqlzr_t *eq = &(vortex->eq);
@@ -788,7 +765,7 @@ snd_vortex_eqtoggle_put(snd_kcontrol_t * kcontrol,
        return 1;               /* Allways changes */
 }
 
-static snd_kcontrol_new_t vortex_eqtoggle_kcontrol __devinitdata = {
+static struct snd_kcontrol_new vortex_eqtoggle_kcontrol __devinitdata = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "EQ Enable",
        .index = 0,
@@ -800,7 +777,7 @@ static snd_kcontrol_new_t vortex_eqtoggle_kcontrol __devinitdata = {
 };
 
 static int
-snd_vortex_eq_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
+snd_vortex_eq_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 2;
@@ -810,11 +787,11 @@ snd_vortex_eq_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
 }
 
 static int
-snd_vortex_eq_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+snd_vortex_eq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        vortex_t *vortex = snd_kcontrol_chip(kcontrol);
        int i = kcontrol->private_value;
-       u16 gainL, gainR;
+       u16 gainL = 0, gainR = 0;
 
        vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
        vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
@@ -824,11 +801,11 @@ snd_vortex_eq_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 }
 
 static int
-snd_vortex_eq_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+snd_vortex_eq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        vortex_t *vortex = snd_kcontrol_chip(kcontrol);
        int changed = 0, i = kcontrol->private_value;
-       u16 gainL, gainR;
+       u16 gainL = 0, gainR = 0;
 
        vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
        vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
@@ -846,7 +823,7 @@ snd_vortex_eq_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
        return changed;
 }
 
-static snd_kcontrol_new_t vortex_eq_kcontrol __devinitdata = {
+static struct snd_kcontrol_new vortex_eq_kcontrol __devinitdata = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "                        .",
        .index = 0,
@@ -858,7 +835,7 @@ static snd_kcontrol_new_t vortex_eq_kcontrol __devinitdata = {
 };
 
 static int
-snd_vortex_peaks_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
+snd_vortex_peaks_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 20;
@@ -868,15 +845,15 @@ snd_vortex_peaks_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
 }
 
 static int
-snd_vortex_peaks_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+snd_vortex_peaks_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
        vortex_t *vortex = snd_kcontrol_chip(kcontrol);
-       int i, count;
+       int i, count = 0;
        u16 peaks[20];
 
        vortex_Eqlzr_GetAllPeaks(vortex, peaks, &count);
        if (count != 20) {
-               printk("vortex: peak count error 20 != %d \n", count);
+               printk(KERN_ERR "vortex: peak count error 20 != %d \n", count);
                return -1;
        }
        for (i = 0; i < 20; i++)
@@ -885,7 +862,7 @@ snd_vortex_peaks_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
        return 0;
 }
 
-static snd_kcontrol_new_t vortex_levels_kcontrol __devinitdata = {
+static struct snd_kcontrol_new vortex_levels_kcontrol __devinitdata = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "EQ Peaks",
        .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
@@ -908,9 +885,9 @@ static char *EqBandLabels[10] __devinitdata = {
 };
 
 /* ALSA driver entry points. Init and exit. */
-static int vortex_eq_init(vortex_t * vortex)
+static int __devinit vortex_eq_init(vortex_t * vortex)
 {
-       snd_kcontrol_t *kcontrol;
+       struct snd_kcontrol *kcontrol;
        int err, i;
 
        vortex_Eqlzr_init(vortex);