[PATCH 11/11] pinctrl: mvebu: dove: use global register regmap

Sebastian Hesselbarth
2014-01-25T18:34:40Z

Now that we have a regmap for global registers, get rid of the last
remaining hardcoded physical addresses. While at it, also remove
DOVE_ prefix from those macros.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
drivers/pinctrl/mvebu/pinctrl-dove.c | 128 ++++++++++++++++-------------------
1 file changed, 60 insertions(+), 68 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 32cb3bbf2e18..90b6e7279ff9 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -30,21 +30,6 @@
#define PMU_REGS_OFFS 0xd802c
#define GC_REGS_OFFS 0xe802c

-#define DOVE_SB_REGS_VIRT_BASE IOMEM(0xfde00000)
-#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE + 0xe802C)
-#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE + 0xe802C)
-#define DOVE_TWSI_ENABLE_OPTION1 BIT(7)
-#define DOVE_GLOBAL_CONFIG_2 (DOVE_SB_REGS_VIRT_BASE + 0xe8030)
-#define DOVE_TWSI_ENABLE_OPTION2 BIT(20)
-#define DOVE_TWSI_ENABLE_OPTION3 BIT(21)
-#define DOVE_TWSI_OPTION3_GPIO BIT(22)
-#define DOVE_SSP_CTRL_STATUS_1 (DOVE_SB_REGS_VIRT_BASE + 0xe8034)
-#define DOVE_SSP_ON_AU1 BIT(0)
-#define DOVE_MPP_GENERAL_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE + 0xe803c)
-#define DOVE_AU1_SPDIFO_GPIO_EN BIT(1)
-#define DOVE_NAND_GPIO_EN BIT(0)
-#define DOVE_GPIO_LO_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE + 0xd0400)
-
/* MPP Base registers */
#define PMU_MPP_GENERAL_CTRL 0x10
#define AU0_AC97_SEL BIT(16)
@@ -62,6 +47,19 @@
#define PMU_SIGNAL_SELECT_0 0x00
#define PMU_SIGNAL_SELECT_1 0x04

+/* Global Config regmap registers */
+#define GLOBAL_CONFIG_1 0
+#define TWSI_ENABLE_OPTION1 BIT(7)
+#define GLOBAL_CONFIG_2 1
+#define TWSI_ENABLE_OPTION2 BIT(20)
+#define TWSI_ENABLE_OPTION3 BIT(21)
+#define TWSI_OPTION3_GPIO BIT(22)
+#define SSP_CTRL_STATUS_1 2
+#define SSP_ON_AU1 BIT(0)
+#define MPP_GENERAL_CONFIG 4
+#define AU1_SPDIFO_GPIO_EN BIT(1)
+#define NAND_GPIO_EN BIT(0)
+
#define MPPS_PER_REG 8
#define MPP_BITS 4
#define MPP_MASK 0xf
@@ -187,9 +185,10 @@ static int dove_mpp4_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
unsigned long *config)
{
- unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);
+ unsigned int gmpp;

- *config = ((gmpp & DOVE_NAND_GPIO_EN) != 0);
+ regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
+ *config = ((gmpp & NAND_GPIO_EN) != 0);

return 0;
}
@@ -197,14 +196,9 @@ static int dove_nand_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
unsigned long config)
{
- unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);
-
- gmpp &= ~DOVE_NAND_GPIO_EN;
- if (config)
- gmpp |= DOVE_NAND_GPIO_EN;
-
- writel(gmpp, DOVE_MPP_GENERAL_VIRT_BASE);
-
+ regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
+ NAND_GPIO_EN,
+ (config) ? NAND_GPIO_EN : 0);
return 0;
}

@@ -234,19 +228,23 @@ static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
unsigned long *config)
{
- unsigned long mpp4 = readl(mpp4_base + MPP_CTRL4);
- unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1);
- unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);
- unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
+ unsigned int mpp4 = readl(mpp4_base + MPP_CTRL4);
+ unsigned int sspc1;
+ unsigned int gmpp;
+ unsigned int gcfg2;
+
+ regmap_read(gconfmap, SSP_CTRL_STATUS_1, &sspc1);
+ regmap_read(gconfmap, MPP_GENERAL_CONFIG, &gmpp);
+ regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);

*config = 0;
if (mpp4 & AU1_GPIO_SEL)
*config |= BIT(3);
- if (sspc1 & DOVE_SSP_ON_AU1)
+ if (sspc1 & SSP_ON_AU1)
*config |= BIT(2);
- if (gmpp & DOVE_AU1_SPDIFO_GPIO_EN)
+ if (gmpp & AU1_SPDIFO_GPIO_EN)
*config |= BIT(1);
- if (gcfg2 & DOVE_TWSI_OPTION3_GPIO)
+ if (gcfg2 & TWSI_OPTION3_GPIO)
*config |= BIT(0);

/* SSP/TWSI only if I2S1 not set*/
@@ -261,32 +259,22 @@ static int dove_audio1_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
static int dove_audio1_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
unsigned long config)
{
- unsigned long mpp4 = readl(mpp4_base + MPP_CTRL4);
- unsigned long sspc1 = readl(DOVE_SSP_CTRL_STATUS_1);
- unsigned long gmpp = readl(DOVE_MPP_GENERAL_VIRT_BASE);
- unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
+ unsigned int mpp4 = readl(mpp4_base + MPP_CTRL4);

- /*
- * clear all audio1 related bits before configure
- */
- gcfg2 &= ~DOVE_TWSI_OPTION3_GPIO;
- gmpp &= ~DOVE_AU1_SPDIFO_GPIO_EN;
- sspc1 &= ~DOVE_SSP_ON_AU1;
mpp4 &= ~AU1_GPIO_SEL;
-
- if (config & BIT(0))
- gcfg2 |= DOVE_TWSI_OPTION3_GPIO;
- if (config & BIT(1))
- gmpp |= DOVE_AU1_SPDIFO_GPIO_EN;
- if (config & BIT(2))
- sspc1 |= DOVE_SSP_ON_AU1;
if (config & BIT(3))
mpp4 |= AU1_GPIO_SEL;
-
writel(mpp4, mpp4_base + MPP_CTRL4);
- writel(sspc1, DOVE_SSP_CTRL_STATUS_1);
- writel(gmpp, DOVE_MPP_GENERAL_VIRT_BASE);
- writel(gcfg2, DOVE_GLOBAL_CONFIG_2);
+
+ regmap_update_bits(gconfmap, SSP_CTRL_STATUS_1,
+ SSP_ON_AU1,
+ (config & BIT(2)) ? SSP_ON_AU1 : 0);
+ regmap_update_bits(gconfmap, MPP_GENERAL_CONFIG,
+ AU1_SPDIFO_GPIO_EN,
+ (config & BIT(1)) ? AU1_SPDIFO_GPIO_EN : 0);
+ regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
+ TWSI_OPTION3_GPIO,
+ (config & BIT(0)) ? TWSI_OPTION3_GPIO : 0);

return 0;
}
@@ -334,15 +322,18 @@ static int dove_audio1_ctrl_gpio_dir(struct mvebu_mpp_ctrl *ctrl, u8 pid,
static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
unsigned long *config)
{
- unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1);
- unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
+ unsigned int gcfg1;
+ unsigned int gcfg2;
+
+ regmap_read(gconfmap, GLOBAL_CONFIG_1, &gcfg1);
+ regmap_read(gconfmap, GLOBAL_CONFIG_2, &gcfg2);

*config = 0;
- if (gcfg1 & DOVE_TWSI_ENABLE_OPTION1)
+ if (gcfg1 & TWSI_ENABLE_OPTION1)
*config = 1;
- else if (gcfg2 & DOVE_TWSI_ENABLE_OPTION2)
+ else if (gcfg2 & TWSI_ENABLE_OPTION2)
*config = 2;
- else if (gcfg2 & DOVE_TWSI_ENABLE_OPTION3)
+ else if (gcfg2 & TWSI_ENABLE_OPTION3)
*config = 3;

return 0;
@@ -351,26 +342,27 @@ static int dove_twsi_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
static int dove_twsi_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
unsigned long config)
{
- unsigned long gcfg1 = readl(DOVE_GLOBAL_CONFIG_1);
- unsigned long gcfg2 = readl(DOVE_GLOBAL_CONFIG_2);
-
- gcfg1 &= ~DOVE_TWSI_ENABLE_OPTION1;
- gcfg2 &= ~(DOVE_TWSI_ENABLE_OPTION2 | DOVE_TWSI_ENABLE_OPTION3);
+ unsigned int gcfg1 = 0;
+ unsigned int gcfg2 = 0;

switch (config) {
case 1:
- gcfg1 |= DOVE_TWSI_ENABLE_OPTION1;
+ gcfg1 = TWSI_ENABLE_OPTION1;
break;
case 2:
- gcfg2 |= DOVE_TWSI_ENABLE_OPTION2;
+ gcfg2 = TWSI_ENABLE_OPTION2;
break;
case 3:
- gcfg2 |= DOVE_TWSI_ENABLE_OPTION3;
+ gcfg2 = TWSI_ENABLE_OPTION3;
break;
}

- writel(gcfg1, DOVE_GLOBAL_CONFIG_1);
- writel(gcfg2, DOVE_GLOBAL_CONFIG_2);
+ regmap_update_bits(gconfmap, GLOBAL_CONFIG_1,
+ TWSI_ENABLE_OPTION1,
+ gcfg1);
+ regmap_update_bits(gconfmap, GLOBAL_CONFIG_2,
+ TWSI_ENABLE_OPTION2 | TWSI_ENABLE_OPTION3,
+ gcfg2);

return 0;
}
--
1.8.5.2