regmap: Implement support for 32 bit registers and values
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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9cde5fcd43
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@ -372,6 +372,13 @@ bool regcache_set_val(void *base, unsigned int idx,
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cache[idx] = val;
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break;
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}
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case 4: {
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u32 *cache = base;
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if (cache[idx] == val)
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return true;
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cache[idx] = val;
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break;
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}
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default:
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BUG();
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}
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@ -393,6 +400,10 @@ unsigned int regcache_get_val(const void *base, unsigned int idx,
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const u16 *cache = base;
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return cache[idx];
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}
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case 4: {
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const u32 *cache = base;
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return cache[idx];
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}
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default:
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BUG();
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}
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@ -125,6 +125,13 @@ static void regmap_format_16(void *buf, unsigned int val)
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b[0] = cpu_to_be16(val);
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}
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static void regmap_format_32(void *buf, unsigned int val)
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{
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__be32 *b = buf;
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b[0] = cpu_to_be32(val);
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}
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static unsigned int regmap_parse_8(void *buf)
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{
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u8 *b = buf;
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@ -141,6 +148,15 @@ static unsigned int regmap_parse_16(void *buf)
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return b[0];
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}
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static unsigned int regmap_parse_32(void *buf)
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{
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__be32 *b = buf;
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b[0] = be32_to_cpu(b[0]);
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return b[0];
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}
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/**
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* regmap_init(): Initialise register map
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*
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@ -239,6 +255,10 @@ struct regmap *regmap_init(struct device *dev,
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map->format.format_reg = regmap_format_16;
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break;
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case 32:
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map->format.format_reg = regmap_format_32;
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break;
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default:
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goto err_map;
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}
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@ -252,6 +272,10 @@ struct regmap *regmap_init(struct device *dev,
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map->format.format_val = regmap_format_16;
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map->format.parse_val = regmap_parse_16;
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break;
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case 32:
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map->format.format_val = regmap_format_32;
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map->format.parse_val = regmap_parse_32;
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break;
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}
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if (!map->format.format_write &&
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