summaryrefslogtreecommitdiffstats
path: root/drivers/sh/pfc/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/sh/pfc/core.c')
-rw-r--r--drivers/sh/pfc/core.c107
1 files changed, 53 insertions, 54 deletions
diff --git a/drivers/sh/pfc/core.c b/drivers/sh/pfc/core.c
index ccf4b7a7cefa..1bb38e8b36ad 100644
--- a/drivers/sh/pfc/core.c
+++ b/drivers/sh/pfc/core.c
@@ -26,7 +26,7 @@
#include "core.h"
-static int pfc_ioremap(struct sh_pfc *pfc)
+static int sh_pfc_ioremap(struct sh_pfc *pfc)
{
struct resource *res;
int k;
@@ -53,10 +53,10 @@ static int pfc_ioremap(struct sh_pfc *pfc)
return 0;
}
-static void __iomem *pfc_phys_to_virt(struct sh_pfc *pfc,
- unsigned long address)
+static void __iomem *sh_pfc_phys_to_virt(struct sh_pfc *pfc,
+ unsigned long address)
{
- struct pfc_window *window;
+ struct sh_pfc_window *window;
int k;
/* scan through physical windows and convert address */
@@ -76,7 +76,7 @@ static void __iomem *pfc_phys_to_virt(struct sh_pfc *pfc,
return (void __iomem *)address;
}
-static int enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
+static int sh_pfc_enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
{
if (enum_id < r->begin)
return 0;
@@ -87,8 +87,8 @@ static int enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
return 1;
}
-static unsigned long gpio_read_raw_reg(void __iomem *mapped_reg,
- unsigned long reg_width)
+static unsigned long sh_pfc_read_raw_reg(void __iomem *mapped_reg,
+ unsigned long reg_width)
{
switch (reg_width) {
case 8:
@@ -103,9 +103,8 @@ static unsigned long gpio_read_raw_reg(void __iomem *mapped_reg,
return 0;
}
-static void gpio_write_raw_reg(void __iomem *mapped_reg,
- unsigned long reg_width,
- unsigned long data)
+static void sh_pfc_write_raw_reg(void __iomem *mapped_reg,
+ unsigned long reg_width, unsigned long data)
{
switch (reg_width) {
case 8:
@@ -131,7 +130,7 @@ int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos)
pr_debug("read_bit: addr = %lx, pos = %ld, "
"r_width = %ld\n", dr->reg, pos, dr->reg_width);
- return (gpio_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
+ return (sh_pfc_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
}
void sh_pfc_write_bit(struct pinmux_data_reg *dr, unsigned long in_pos,
@@ -150,19 +149,19 @@ void sh_pfc_write_bit(struct pinmux_data_reg *dr, unsigned long in_pos,
else
clear_bit(pos, &dr->reg_shadow);
- gpio_write_raw_reg(dr->mapped_reg, dr->reg_width, dr->reg_shadow);
+ sh_pfc_write_raw_reg(dr->mapped_reg, dr->reg_width, dr->reg_shadow);
}
-static void config_reg_helper(struct sh_pfc *pfc,
- struct pinmux_cfg_reg *crp,
- unsigned long in_pos,
- void __iomem **mapped_regp,
- unsigned long *maskp,
- unsigned long *posp)
+static void sh_pfc_config_reg_helper(struct sh_pfc *pfc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long in_pos,
+ void __iomem **mapped_regp,
+ unsigned long *maskp,
+ unsigned long *posp)
{
int k;
- *mapped_regp = pfc_phys_to_virt(pfc, crp->reg);
+ *mapped_regp = sh_pfc_phys_to_virt(pfc, crp->reg);
if (crp->field_width) {
*maskp = (1 << crp->field_width) - 1;
@@ -175,30 +174,30 @@ static void config_reg_helper(struct sh_pfc *pfc,
}
}
-static int read_config_reg(struct sh_pfc *pfc,
- struct pinmux_cfg_reg *crp,
- unsigned long field)
+static int sh_pfc_read_config_reg(struct sh_pfc *pfc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long field)
{
void __iomem *mapped_reg;
unsigned long mask, pos;
- config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
+ sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
pr_debug("read_reg: addr = %lx, field = %ld, "
"r_width = %ld, f_width = %ld\n",
crp->reg, field, crp->reg_width, crp->field_width);
- return (gpio_read_raw_reg(mapped_reg, crp->reg_width) >> pos) & mask;
+ return (sh_pfc_read_raw_reg(mapped_reg, crp->reg_width) >> pos) & mask;
}
-static void write_config_reg(struct sh_pfc *pfc,
- struct pinmux_cfg_reg *crp,
- unsigned long field, unsigned long value)
+static void sh_pfc_write_config_reg(struct sh_pfc *pfc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long field, unsigned long value)
{
void __iomem *mapped_reg;
unsigned long mask, pos, data;
- config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
+ sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
pr_debug("write_reg addr = %lx, value = %ld, field = %ld, "
"r_width = %ld, f_width = %ld\n",
@@ -207,24 +206,25 @@ static void write_config_reg(struct sh_pfc *pfc,
mask = ~(mask << pos);
value = value << pos;
- data = gpio_read_raw_reg(mapped_reg, crp->reg_width);
+ data = sh_pfc_read_raw_reg(mapped_reg, crp->reg_width);
data &= mask;
data |= value;
if (pfc->pdata->unlock_reg)
- gpio_write_raw_reg(pfc_phys_to_virt(pfc, pfc->pdata->unlock_reg),
- 32, ~data);
+ sh_pfc_write_raw_reg(
+ sh_pfc_phys_to_virt(pfc, pfc->pdata->unlock_reg), 32,
+ ~data);
- gpio_write_raw_reg(mapped_reg, crp->reg_width, data);
+ sh_pfc_write_raw_reg(mapped_reg, crp->reg_width, data);
}
-static int setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
+static int sh_pfc_setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
{
struct pinmux_gpio *gpiop = &pfc->pdata->gpios[gpio];
struct pinmux_data_reg *data_reg;
int k, n;
- if (!enum_in_range(gpiop->enum_id, &pfc->pdata->data))
+ if (!sh_pfc_enum_in_range(gpiop->enum_id, &pfc->pdata->data))
return -1;
k = 0;
@@ -234,7 +234,7 @@ static int setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
if (!data_reg->reg_width)
break;
- data_reg->mapped_reg = pfc_phys_to_virt(pfc, data_reg->reg);
+ data_reg->mapped_reg = sh_pfc_phys_to_virt(pfc, data_reg->reg);
for (n = 0; n < data_reg->reg_width; n++) {
if (data_reg->enum_ids[n] == gpiop->enum_id) {
@@ -253,13 +253,13 @@ static int setup_data_reg(struct sh_pfc *pfc, unsigned gpio)
return -1;
}
-static void setup_data_regs(struct sh_pfc *pfc)
+static void sh_pfc_setup_data_regs(struct sh_pfc *pfc)
{
struct pinmux_data_reg *drp;
int k;
for (k = pfc->pdata->first_gpio; k <= pfc->pdata->last_gpio; k++)
- setup_data_reg(pfc, k);
+ sh_pfc_setup_data_reg(pfc, k);
k = 0;
while (1) {
@@ -268,8 +268,8 @@ static void setup_data_regs(struct sh_pfc *pfc)
if (!drp->reg_width)
break;
- drp->reg_shadow = gpio_read_raw_reg(drp->mapped_reg,
- drp->reg_width);
+ drp->reg_shadow = sh_pfc_read_raw_reg(drp->mapped_reg,
+ drp->reg_width);
k++;
}
}
@@ -280,7 +280,7 @@ int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
struct pinmux_gpio *gpiop = &pfc->pdata->gpios[gpio];
int k, n;
- if (!enum_in_range(gpiop->enum_id, &pfc->pdata->data))
+ if (!sh_pfc_enum_in_range(gpiop->enum_id, &pfc->pdata->data))
return -1;
k = (gpiop->flags & PINMUX_FLAG_DREG) >> PINMUX_FLAG_DREG_SHIFT;
@@ -290,10 +290,9 @@ int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
return 0;
}
-static int get_config_reg(struct sh_pfc *pfc, pinmux_enum_t enum_id,
- struct pinmux_cfg_reg **crp,
- int *fieldp, int *valuep,
- unsigned long **cntp)
+static int sh_pfc_get_config_reg(struct sh_pfc *pfc, pinmux_enum_t enum_id,
+ struct pinmux_cfg_reg **crp, int *fieldp,
+ int *valuep, unsigned long **cntp)
{
struct pinmux_cfg_reg *config_reg;
unsigned long r_width, f_width, curr_width, ncomb;
@@ -343,8 +342,8 @@ int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
pinmux_enum_t *data = pfc->pdata->gpio_data;
int k;
- if (!enum_in_range(enum_id, &pfc->pdata->data)) {
- if (!enum_in_range(enum_id, &pfc->pdata->mark)) {
+ if (!sh_pfc_enum_in_range(enum_id, &pfc->pdata->data)) {
+ if (!sh_pfc_enum_in_range(enum_id, &pfc->pdata->mark)) {
pr_err("non data/mark enum_id for gpio %d\n", gpio);
return -1;
}
@@ -414,7 +413,7 @@ int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
break;
/* first check if this is a function enum */
- in_range = enum_in_range(enum_id, &pfc->pdata->function);
+ in_range = sh_pfc_enum_in_range(enum_id, &pfc->pdata->function);
if (!in_range) {
/* not a function enum */
if (range) {
@@ -426,7 +425,7 @@ int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
* for this case we only allow function enums
* and the enums that match the other range.
*/
- in_range = enum_in_range(enum_id, range);
+ in_range = sh_pfc_enum_in_range(enum_id, range);
/*
* special case pass through for fixed
@@ -451,19 +450,19 @@ int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
if (!in_range)
continue;
- if (get_config_reg(pfc, enum_id, &cr,
- &field, &value, &cntp) != 0)
+ if (sh_pfc_get_config_reg(pfc, enum_id, &cr,
+ &field, &value, &cntp) != 0)
goto out_err;
switch (cfg_mode) {
case GPIO_CFG_DRYRUN:
if (!*cntp ||
- (read_config_reg(pfc, cr, field) != value))
+ (sh_pfc_read_config_reg(pfc, cr, field) != value))
continue;
break;
case GPIO_CFG_REQ:
- write_config_reg(pfc, cr, field, value);
+ sh_pfc_write_config_reg(pfc, cr, field, value);
*cntp = *cntp + 1;
break;
@@ -499,14 +498,14 @@ static int sh_pfc_probe(struct platform_device *pdev)
pfc->pdata = pdata;
pfc->dev = &pdev->dev;
- ret = pfc_ioremap(pfc);
+ ret = sh_pfc_ioremap(pfc);
if (unlikely(ret < 0))
return ret;
spin_lock_init(&pfc->lock);
pinctrl_provide_dummies();
- setup_data_regs(pfc);
+ sh_pfc_setup_data_regs(pfc);
/*
* Initialize pinctrl bindings first
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 10:46:17 +0000