From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: [PATCH 2/3] OMAP4: CM: Add CM accesor api for bitwise control Date: Mon, 7 Feb 2011 18:47:10 +0530 Message-ID: <1297084631-27474-3-git-send-email-rnayak@ti.com> References: <1297084631-27474-1-git-send-email-rnayak@ti.com> <1297084631-27474-2-git-send-email-rnayak@ti.com> Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:57909 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752396Ab1BGNRY (ORCPT ); Mon, 7 Feb 2011 08:17:24 -0500 In-Reply-To: <1297084631-27474-2-git-send-email-rnayak@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: paul@pwsan.com, khilman@ti.com, b-cousson@ti.com, linux-arm-kernel@lists.infradead.org, Rajendra Nayak Add new OMAP4 CM accesor apis to set/clear and read bitfields (based on mask) from CM registers. Signed-off-by: Rajendra Nayak --- arch/arm/mach-omap2/cminst44xx.c | 21 +++++++++++++++++++++ arch/arm/mach-omap2/cminst44xx.h | 6 ++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index c04bbbe..a482bfa 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -73,6 +73,27 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, return v; } +u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, bits, part, inst, idx); +} + +u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, 0x0, part, inst, idx); +} + +u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask) +{ + u32 v; + + v = omap4_cminst_read_inst_reg(part, inst, idx); + v &= mask; + v >>= __ffs(mask); + + return v; +} + /* * */ diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h index a6abd0a..2b32c18 100644 --- a/arch/arm/mach-omap2/cminst44xx.h +++ b/arch/arm/mach-omap2/cminst44xx.h @@ -25,6 +25,12 @@ extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx); extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx); extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, s16 idx); +extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, + u32 mask); extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg); -- 1.7.0.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: rnayak@ti.com (Rajendra Nayak) Date: Mon, 7 Feb 2011 18:47:10 +0530 Subject: [PATCH 2/3] OMAP4: CM: Add CM accesor api for bitwise control In-Reply-To: <1297084631-27474-2-git-send-email-rnayak@ti.com> References: <1297084631-27474-1-git-send-email-rnayak@ti.com> <1297084631-27474-2-git-send-email-rnayak@ti.com> Message-ID: <1297084631-27474-3-git-send-email-rnayak@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add new OMAP4 CM accesor apis to set/clear and read bitfields (based on mask) from CM registers. Signed-off-by: Rajendra Nayak --- arch/arm/mach-omap2/cminst44xx.c | 21 +++++++++++++++++++++ arch/arm/mach-omap2/cminst44xx.h | 6 ++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index c04bbbe..a482bfa 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -73,6 +73,27 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, return v; } +u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, bits, part, inst, idx); +} + +u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, 0x0, part, inst, idx); +} + +u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask) +{ + u32 v; + + v = omap4_cminst_read_inst_reg(part, inst, idx); + v &= mask; + v >>= __ffs(mask); + + return v; +} + /* * */ diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h index a6abd0a..2b32c18 100644 --- a/arch/arm/mach-omap2/cminst44xx.h +++ b/arch/arm/mach-omap2/cminst44xx.h @@ -25,6 +25,12 @@ extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx); extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx); extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, s16 idx); +extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, + u32 mask); extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg); -- 1.7.0.4