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OMAP2/3 clockdomains: split shared structures so usecounting works
[safe/jmp/linux-2.6] / arch / arm / mach-omap2 / clockdomains.h
diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h
index ff216f2..9629ef1 100644 (file)
--- a/arch/arm/mach-omap2/clockdomains.h
+++ b/arch/arm/mach-omap2/clockdomains.h
@@ -52,6 +52,8 @@
  * 2420/2430 PM_WKDEP_GFX: CORE, MPU, WKUP
  * 3430ES1 PM_WKDEP_GFX: adds IVA2, removes CORE
  * 3430ES2 PM_WKDEP_SGX: adds IVA2, removes CORE
+ * These can share data since they will never be present simultaneously
+ * on the same device.
  */
 static struct clkdm_dep gfx_sgx_wkdeps[] = {
        {
@@ -86,11 +88,32 @@ static struct clkdm_dep gfx_sgx_wkdeps[] = {
 
 /* Wakeup dependency source arrays */
 
+/* 2420/2430 PM_WKDEP_DSP: CORE, MPU, WKUP */
+static struct clkdm_dep dsp_24xx_wkdeps[] = {
+       {
+               .clkdm_name = "core_l3_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX)
+       },
+       {
+               .clkdm_name = "core_l4_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX)
+       },
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX)
+       },
+       {
+               .clkdm_name = "wkup_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX)
+       },
+       { NULL },
+};
+
 /*
- * 2420/2430 PM_WKDEP_DSP: CORE, MPU, WKUP
- * 2420/2430 PM_WKDEP_MDM: same as DSP
+ * 2420/2430 PM_WKDEP_MDM: CORE, MPU, WKUP
+ * XXX This is probably 2430-only; 2420 did not have a stacked modem config.
  */
-static struct clkdm_dep dsp_mdm_24xx_wkdeps[] = {
+static struct clkdm_dep mdm_24xx_wkdeps[] = {
        {
                .clkdm_name = "core_l3_clkdm",
                .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX)
@@ -172,11 +195,8 @@ static struct clkdm_dep core_24xx_wkdeps[] = {
 
 #ifdef CONFIG_ARCH_OMAP34XX
 
-/*
- * 3430: PM_WKDEP_{PER,USBHOST}: CORE, IVA2, MPU, WKUP
- * (USBHOST is ES2 only)
- */
-static struct clkdm_dep per_usbhost_wkdeps[] = {
+/* 3430: PM_WKDEP_PER: CORE, IVA2, MPU, WKUP */
+static struct clkdm_dep per_wkdeps[] = {
        {
                .clkdm_name = "core_l3_clkdm",
                .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
@@ -200,9 +220,32 @@ static struct clkdm_dep per_usbhost_wkdeps[] = {
        { NULL },
 };
 
-/*
- * 3430 PM_WKDEP_MPU: CORE, IVA2, DSS, PER
- */
+/* 3430ES2: PM_WKDEP_USBHOST: CORE, IVA2, MPU, WKUP */
+static struct clkdm_dep usbhost_wkdeps[] = {
+       {
+               .clkdm_name = "core_l3_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "core_l4_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "iva2_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "wkup_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       { NULL },
+};
+
+/* 3430 PM_WKDEP_MPU: CORE, IVA2, DSS, PER */
 static struct clkdm_dep mpu_34xx_wkdeps[] = {
        {
                .clkdm_name = "core_l3_clkdm",
@@ -227,9 +270,7 @@ static struct clkdm_dep mpu_34xx_wkdeps[] = {
        { NULL },
 };
 
-/*
- * 3430 PM_WKDEP_IVA2: CORE, MPU, WKUP, DSS, PER
- */
+/* 3430 PM_WKDEP_IVA2: CORE, MPU, WKUP, DSS, PER */
 static struct clkdm_dep iva2_wkdeps[] = {
        {
                .clkdm_name = "core_l3_clkdm",
@@ -259,8 +300,25 @@ static struct clkdm_dep iva2_wkdeps[] = {
 };
 
 
-/* 3430 PM_WKDEP_{CAM,DSS}: IVA2, MPU, WKUP */
-static struct clkdm_dep cam_dss_wkdeps[] = {
+/* 3430 PM_WKDEP_CAM: IVA2, MPU, WKUP */
+static struct clkdm_dep cam_wkdeps[] = {
+       {
+               .clkdm_name = "iva2_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "wkup_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       { NULL },
+};
+
+/* 3430 PM_WKDEP_DSS: IVA2, MPU, WKUP */
+static struct clkdm_dep dss_wkdeps[] = {
        {
                .clkdm_name = "iva2_clkdm",
                .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
@@ -288,11 +346,8 @@ static struct clkdm_dep neon_wkdeps[] = {
 
 /* Sleep dependency source arrays for 34xx-specific clkdms - 34XX only */
 
-/*
- * 3430: CM_SLEEPDEP_{DSS,PER}: MPU, IVA
- * 3430ES2: CM_SLEEPDEP_USBHOST: MPU, IVA
- */
-static struct clkdm_dep dss_per_usbhost_sleepdeps[] = {
+/* 3430: CM_SLEEPDEP_DSS: MPU, IVA */
+static struct clkdm_dep dss_sleepdeps[] = {
        {
                .clkdm_name = "mpu_clkdm",
                .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
@@ -304,12 +359,48 @@ static struct clkdm_dep dss_per_usbhost_sleepdeps[] = {
        { NULL },
 };
 
+/* 3430: CM_SLEEPDEP_PER: MPU, IVA */
+static struct clkdm_dep per_sleepdeps[] = {
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "iva2_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       { NULL },
+};
+
+/* 3430ES2: CM_SLEEPDEP_USBHOST: MPU, IVA */
+static struct clkdm_dep usbhost_sleepdeps[] = {
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       {
+               .clkdm_name = "iva2_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       { NULL },
+};
+
+/* 3430: CM_SLEEPDEP_CAM: MPU */
+static struct clkdm_dep cam_sleepdeps[] = {
+       {
+               .clkdm_name = "mpu_clkdm",
+               .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+       },
+       { NULL },
+};
+
 /*
- * 3430: CM_SLEEPDEP_CAM: MPU
  * 3430ES1: CM_SLEEPDEP_GFX: MPU
  * 3430ES2: CM_SLEEPDEP_SGX: MPU
+ * These can share data since they will never be present simultaneously
+ * on the same device.
  */
-static struct clkdm_dep cam_gfx_sleepdeps[] = {
+static struct clkdm_dep gfx_sgx_sleepdeps[] = {
        {
                .clkdm_name = "mpu_clkdm",
                .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
@@ -376,7 +467,7 @@ static struct clockdomain iva1_2420_clkdm = {
        .clkstctrl_reg  = OMAP2420_CM_REGADDR(OMAP24XX_DSP_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .dep_bit        = OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT,
-       .wkdep_srcs     = dsp_mdm_24xx_wkdeps,
+       .wkdep_srcs     = dsp_24xx_wkdeps,
        .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
 };
@@ -458,7 +549,7 @@ static struct clockdomain mdm_clkdm = {
        .clkstctrl_reg  = OMAP2430_CM_REGADDR(OMAP2430_MDM_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .dep_bit        = OMAP2430_PM_WKDEP_MPU_EN_MDM_SHIFT,
-       .wkdep_srcs     = dsp_mdm_24xx_wkdeps,
+       .wkdep_srcs     = mdm_24xx_wkdeps,
        .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
 };
@@ -470,7 +561,7 @@ static struct clockdomain dsp_2430_clkdm = {
        .clkstctrl_reg  = OMAP2430_CM_REGADDR(OMAP24XX_DSP_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .dep_bit        = OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT,
-       .wkdep_srcs     = dsp_mdm_24xx_wkdeps,
+       .wkdep_srcs     = dsp_24xx_wkdeps,
        .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
 };
@@ -575,7 +666,7 @@ static struct clockdomain gfx_3430es1_clkdm = {
        .flags          = CLKDM_CAN_HWSUP_SWSUP,
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(GFX_MOD, OMAP2_CM_CLKSTCTRL),
        .wkdep_srcs     = gfx_sgx_wkdeps,
-       .sleepdep_srcs  = cam_gfx_sleepdeps,
+       .sleepdep_srcs  = gfx_sgx_sleepdeps,
        .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
 };
@@ -587,7 +678,7 @@ static struct clockdomain sgx_clkdm = {
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(OMAP3430ES2_SGX_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .wkdep_srcs     = gfx_sgx_wkdeps,
-       .sleepdep_srcs  = cam_gfx_sleepdeps,
+       .sleepdep_srcs  = gfx_sgx_sleepdeps,
        .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
 };
@@ -646,8 +737,8 @@ static struct clockdomain dss_34xx_clkdm = {
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(OMAP3430_DSS_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .dep_bit        = OMAP3430_PM_WKDEP_MPU_EN_DSS_SHIFT,
-       .wkdep_srcs     = cam_dss_wkdeps,
-       .sleepdep_srcs  = dss_per_usbhost_sleepdeps,
+       .wkdep_srcs     = dss_wkdeps,
+       .sleepdep_srcs  = dss_sleepdeps,
        .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
@@ -658,8 +749,8 @@ static struct clockdomain cam_clkdm = {
        .flags          = CLKDM_CAN_HWSUP_SWSUP,
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(OMAP3430_CAM_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
-       .wkdep_srcs     = cam_dss_wkdeps,
-       .sleepdep_srcs  = cam_gfx_sleepdeps,
+       .wkdep_srcs     = cam_wkdeps,
+       .sleepdep_srcs  = cam_sleepdeps,
        .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
@@ -670,8 +761,8 @@ static struct clockdomain usbhost_clkdm = {
        .flags          = CLKDM_CAN_HWSUP_SWSUP,
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(OMAP3430ES2_USBHOST_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
-       .wkdep_srcs     = per_usbhost_wkdeps,
-       .sleepdep_srcs  = dss_per_usbhost_sleepdeps,
+       .wkdep_srcs     = usbhost_wkdeps,
+       .sleepdep_srcs  = usbhost_sleepdeps,
        .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
 };
@@ -683,8 +774,8 @@ static struct clockdomain per_clkdm = {
        .clkstctrl_reg  = OMAP34XX_CM_REGADDR(OMAP3430_PER_MOD,
                                                 OMAP2_CM_CLKSTCTRL),
        .dep_bit        = OMAP3430_EN_PER_SHIFT,
-       .wkdep_srcs     = per_usbhost_wkdeps,
-       .sleepdep_srcs  = dss_per_usbhost_sleepdeps,
+       .wkdep_srcs     = per_wkdeps,
+       .sleepdep_srcs  = per_sleepdeps,
        .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK,
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
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