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Merge remote-tracking branches 'regmap/topic/64bit' and 'regmap/topic/irq-type' into regmap-next

This commit is contained in:
Mark Brown 2016-01-05 19:07:17 +00:00
parent 8798975bb6 782035ea94 7a78479fd2
commit a8d99344c9
4 changed files with 239 additions and 0 deletions
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21
drivers/base/regmap/regcache.c
View File

@ -543,19 +543,30 @@ bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
switch (map->cache_word_size) {
case 1: {
u8 *cache = base;
cache[idx] = val;
break;
}
case 2: {
u16 *cache = base;
cache[idx] = val;
break;
}
case 4: {
u32 *cache = base;
cache[idx] = val;
break;
}
#ifdef CONFIG_64BIT
case 8: {
u64 *cache = base;
cache[idx] = val;
break;
}
#endif
default:
BUG();
}
@ -576,16 +587,26 @@ unsigned int regcache_get_val(struct regmap *map, const void *base,
switch (map->cache_word_size) {
case 1: {
const u8 *cache = base;
return cache[idx];
}
case 2: {
const u16 *cache = base;
return cache[idx];
}
case 4: {
const u32 *cache = base;
return cache[idx];
}
#ifdef CONFIG_64BIT
case 8: {
const u64 *cache = base;
return cache[idx];
}
#endif
default:
BUG();
}

100
drivers/base/regmap/regmap-irq.c
View File

@ -39,8 +39,11 @@ struct regmap_irq_chip_data {
unsigned int *mask_buf;
unsigned int *mask_buf_def;
unsigned int *wake_buf;
unsigned int *type_buf;
unsigned int *type_buf_def;
unsigned int irq_reg_stride;
unsigned int type_reg_stride;
};
static inline const
@ -144,6 +147,22 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
}
}
for (i = 0; i < d->chip->num_type_reg; i++) {
if (!d->type_buf_def[i])
continue;
reg = d->chip->type_base +
(i * map->reg_stride * d->type_reg_stride);
if (d->chip->type_invert)
ret = regmap_update_bits(d->map, reg,
d->type_buf_def[i], ~d->type_buf[i]);
else
ret = regmap_update_bits(d->map, reg,
d->type_buf_def[i], d->type_buf[i]);
if (ret != 0)
dev_err(d->map->dev, "Failed to sync type in %x\n",
reg);
}
if (d->chip->runtime_pm)
pm_runtime_put(map->dev);
@ -178,6 +197,38 @@ static void regmap_irq_disable(struct irq_data *data)
d->mask_buf[irq_data->reg_offset / map->reg_stride] |= irq_data->mask;
}
static int regmap_irq_set_type(struct irq_data *data, unsigned int type)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
struct regmap *map = d->map;
const struct regmap_irq *irq_data = irq_to_regmap_irq(d, data->hwirq);
int reg = irq_data->type_reg_offset / map->reg_stride;
if (!(irq_data->type_rising_mask | irq_data->type_falling_mask))
return 0;
d->type_buf[reg] &= ~(irq_data->type_falling_mask |
irq_data->type_rising_mask);
switch (type) {
case IRQ_TYPE_EDGE_FALLING:
d->type_buf[reg] |= irq_data->type_falling_mask;
break;
case IRQ_TYPE_EDGE_RISING:
d->type_buf[reg] |= irq_data->type_rising_mask;
break;
case IRQ_TYPE_EDGE_BOTH:
d->type_buf[reg] |= (irq_data->type_falling_mask |
irq_data->type_rising_mask);
break;
default:
return -EINVAL;
}
return 0;
}
static int regmap_irq_set_wake(struct irq_data *data, unsigned int on)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
@ -204,6 +255,7 @@ static const struct irq_chip regmap_irq_chip = {
.irq_bus_sync_unlock = regmap_irq_sync_unlock,
.irq_disable = regmap_irq_disable,
.irq_enable = regmap_irq_enable,
.irq_set_type = regmap_irq_set_type,
.irq_set_wake = regmap_irq_set_wake,
};
@ -408,6 +460,18 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
goto err_alloc;
}
if (chip->num_type_reg) {
d->type_buf_def = kcalloc(chip->num_type_reg,
sizeof(unsigned int), GFP_KERNEL);
if (!d->type_buf_def)
goto err_alloc;
d->type_buf = kcalloc(chip->num_type_reg, sizeof(unsigned int),
GFP_KERNEL);
if (!d->type_buf)
goto err_alloc;
}
d->irq_chip = regmap_irq_chip;
d->irq_chip.name = chip->name;
d->irq = irq;
@ -420,6 +484,11 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
else
d->irq_reg_stride = 1;
if (chip->type_reg_stride)
d->type_reg_stride = chip->type_reg_stride;
else
d->type_reg_stride = 1;
if (!map->use_single_read && map->reg_stride == 1 &&
d->irq_reg_stride == 1) {
d->status_reg_buf = kmalloc_array(chip->num_regs,
@ -512,6 +581,33 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
}
}
if (chip->num_type_reg) {
for (i = 0; i < chip->num_irqs; i++) {
reg = chip->irqs[i].type_reg_offset / map->reg_stride;
d->type_buf_def[reg] |= chip->irqs[i].type_rising_mask |
chip->irqs[i].type_falling_mask;
}
for (i = 0; i < chip->num_type_reg; ++i) {
if (!d->type_buf_def[i])
continue;
reg = chip->type_base +
(i * map->reg_stride * d->type_reg_stride);
if (chip->type_invert)
ret = regmap_update_bits(map, reg,
d->type_buf_def[i], 0xFF);
else
ret = regmap_update_bits(map, reg,
d->type_buf_def[i], 0x0);
if (ret != 0) {
dev_err(map->dev,
"Failed to set type in 0x%x: %x\n",
reg, ret);
goto err_alloc;
}
}
}
if (irq_base)
d->domain = irq_domain_add_legacy(map->dev->of_node,
chip->num_irqs, irq_base, 0,
@ -542,6 +638,8 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
err_domain:
/* Should really dispose of the domain but... */
err_alloc:
kfree(d->type_buf);
kfree(d->type_buf_def);
kfree(d->wake_buf);
kfree(d->mask_buf_def);
kfree(d->mask_buf);
@ -565,6 +663,8 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
free_irq(irq, d);
irq_domain_remove(d->domain);
kfree(d->type_buf);
kfree(d->type_buf_def);
kfree(d->wake_buf);
kfree(d->mask_buf_def);
kfree(d->mask_buf);

102
drivers/base/regmap/regmap.c
View File

@ -245,6 +245,28 @@ static void regmap_format_32_native(void *buf, unsigned int val,
*(u32 *)buf = val << shift;
}
#ifdef CONFIG_64BIT
static void regmap_format_64_be(void *buf, unsigned int val, unsigned int shift)
{
__be64 *b = buf;
b[0] = cpu_to_be64((u64)val << shift);
}
static void regmap_format_64_le(void *buf, unsigned int val, unsigned int shift)
{
__le64 *b = buf;
b[0] = cpu_to_le64((u64)val << shift);
}
static void regmap_format_64_native(void *buf, unsigned int val,
unsigned int shift)
{
*(u64 *)buf = (u64)val << shift;
}
#endif
static void regmap_parse_inplace_noop(void *buf)
{
}
@ -332,6 +354,41 @@ static unsigned int regmap_parse_32_native(const void *buf)
return *(u32 *)buf;
}
#ifdef CONFIG_64BIT
static unsigned int regmap_parse_64_be(const void *buf)
{
const __be64 *b = buf;
return be64_to_cpu(b[0]);
}
static unsigned int regmap_parse_64_le(const void *buf)
{
const __le64 *b = buf;
return le64_to_cpu(b[0]);
}
static void regmap_parse_64_be_inplace(void *buf)
{
__be64 *b = buf;
b[0] = be64_to_cpu(b[0]);
}
static void regmap_parse_64_le_inplace(void *buf)
{
__le64 *b = buf;
b[0] = le64_to_cpu(b[0]);
}
static unsigned int regmap_parse_64_native(const void *buf)
{
return *(u64 *)buf;
}
#endif
static void regmap_lock_mutex(void *__map)
{
struct regmap *map = __map;
@ -712,6 +769,21 @@ struct regmap *__regmap_init(struct device *dev,
}
break;
#ifdef CONFIG_64BIT
case 64:
switch (reg_endian) {
case REGMAP_ENDIAN_BIG:
map->format.format_reg = regmap_format_64_be;
break;
case REGMAP_ENDIAN_NATIVE:
map->format.format_reg = regmap_format_64_native;
break;
default:
goto err_map;
}
break;
#endif
default:
goto err_map;
}
@ -771,6 +843,28 @@ struct regmap *__regmap_init(struct device *dev,
goto err_map;
}
break;
#ifdef CONFIG_64BIT
case 64:
switch (val_endian) {
case REGMAP_ENDIAN_BIG:
map->format.format_val = regmap_format_64_be;
map->format.parse_val = regmap_parse_64_be;
map->format.parse_inplace = regmap_parse_64_be_inplace;
break;
case REGMAP_ENDIAN_LITTLE:
map->format.format_val = regmap_format_64_le;
map->format.parse_val = regmap_parse_64_le;
map->format.parse_inplace = regmap_parse_64_le_inplace;
break;
case REGMAP_ENDIAN_NATIVE:
map->format.format_val = regmap_format_64_native;
map->format.parse_val = regmap_parse_64_native;
break;
default:
goto err_map;
}
break;
#endif
}
if (map->format.format_write) {
@ -2488,11 +2582,19 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
* we assume that the values are native
* endian.
*/
#ifdef CONFIG_64BIT
u64 *u64 = val;
#endif
u32 *u32 = val;
u16 *u16 = val;
u8 *u8 = val;
switch (map->format.val_bytes) {
#ifdef CONFIG_64BIT
case 8:
u64[i] = ival;
break;
#endif
case 4:
u32[i] = ival;
break;

16
include/linux/regmap.h
View File

@ -788,10 +788,16 @@ int regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
*
* @reg_offset: Offset of the status/mask register within the bank
* @mask: Mask used to flag/control the register.
* @type_reg_offset: Offset register for the irq type setting.
* @type_rising_mask: Mask bit to configure RISING type irq.
* @type_falling_mask: Mask bit to configure FALLING type irq.
*/
struct regmap_irq {
unsigned int reg_offset;
unsigned int mask;
unsigned int type_reg_offset;
unsigned int type_rising_mask;
unsigned int type_falling_mask;
};
#define REGMAP_IRQ_REG(_irq, _off, _mask) \
@ -811,18 +817,23 @@ struct regmap_irq {
* @ack_base: Base ack address. If zero then the chip is clear on read.
* Using zero value is possible with @use_ack bit.
* @wake_base: Base address for wake enables. If zero unsupported.
* @type_base: Base address for irq type. If zero unsupported.
* @irq_reg_stride: Stride to use for chips where registers are not contiguous.
* @init_ack_masked: Ack all masked interrupts once during initalization.
* @mask_invert: Inverted mask register: cleared bits are masked out.
* @use_ack: Use @ack register even if it is zero.
* @ack_invert: Inverted ack register: cleared bits for ack.
* @wake_invert: Inverted wake register: cleared bits are wake enabled.
* @type_invert: Invert the type flags.
* @runtime_pm: Hold a runtime PM lock on the device when accessing it.
*
* @num_regs: Number of registers in each control bank.
* @irqs: Descriptors for individual IRQs. Interrupt numbers are
* assigned based on the index in the array of the interrupt.
* @num_irqs: Number of descriptors.
* @num_type_reg: Number of type registers.
* @type_reg_stride: Stride to use for chips where type registers are not
* contiguous.
*/
struct regmap_irq_chip {
const char *name;
@ -832,6 +843,7 @@ struct regmap_irq_chip {
unsigned int unmask_base;
unsigned int ack_base;
unsigned int wake_base;
unsigned int type_base;
unsigned int irq_reg_stride;
bool init_ack_masked:1;
bool mask_invert:1;
@ -839,11 +851,15 @@ struct regmap_irq_chip {
bool ack_invert:1;
bool wake_invert:1;
bool runtime_pm:1;
bool type_invert:1;
int num_regs;
const struct regmap_irq *irqs;
int num_irqs;
int num_type_reg;
unsigned int type_reg_stride;
};
struct regmap_irq_chip_data;