Expose the memory regions used by the DSP cores on WM5110 as readable and volatile.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- drivers/mfd/wm5110-tables.c | 69 ++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 65 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c index 3113e39..4430404 100644 --- a/drivers/mfd/wm5110-tables.c +++ b/drivers/mfd/wm5110-tables.c @@ -14,6 +14,7 @@
#include <linux/mfd/arizona/core.h> #include <linux/mfd/arizona/registers.h> +#include <linux/device.h>
#include "arizona.h"
@@ -1336,6 +1337,64 @@ static const struct reg_default wm5110_reg_default[] = { { 0x00001404, 0x0000 }, /* R5124 - DSP4 Status 1 */ };
+static bool wm5110_is_rev_b_adsp_memory(unsigned int reg) +{ + if ((reg >= 0x100000 && reg < 0x103000) || + (reg >= 0x180000 && reg < 0x181000) || + (reg >= 0x190000 && reg < 0x192000) || + (reg >= 0x1a8000 && reg < 0x1a9000) || + (reg >= 0x200000 && reg < 0x209000) || + (reg >= 0x280000 && reg < 0x281000) || + (reg >= 0x290000 && reg < 0x29a000) || + (reg >= 0x2a8000 && reg < 0x2aa000) || + (reg >= 0x300000 && reg < 0x30f000) || + (reg >= 0x380000 && reg < 0x382000) || + (reg >= 0x390000 && reg < 0x39e000) || + (reg >= 0x3a8000 && reg < 0x3b6000) || + (reg >= 0x400000 && reg < 0x403000) || + (reg >= 0x480000 && reg < 0x481000) || + (reg >= 0x490000 && reg < 0x492000) || + (reg >= 0x4a8000 && reg < 0x4a9000)) + return true; + else + return false; +} + +static bool wm5110_is_rev_d_adsp_memory(unsigned int reg) +{ + if ((reg >= 0x100000 && reg < 0x106000) || + (reg >= 0x180000 && reg < 0x182000) || + (reg >= 0x190000 && reg < 0x198000) || + (reg >= 0x1a8000 && reg < 0x1aa000) || + (reg >= 0x200000 && reg < 0x20f000) || + (reg >= 0x280000 && reg < 0x282000) || + (reg >= 0x290000 && reg < 0x29c000) || + (reg >= 0x2a6000 && reg < 0x2b4000) || + (reg >= 0x300000 && reg < 0x30f000) || + (reg >= 0x380000 && reg < 0x382000) || + (reg >= 0x390000 && reg < 0x3a2000) || + (reg >= 0x3a6000 && reg < 0x3b4000) || + (reg >= 0x400000 && reg < 0x406000) || + (reg >= 0x480000 && reg < 0x482000) || + (reg >= 0x490000 && reg < 0x498000) || + (reg >= 0x4a8000 && reg < 0x4aa000)) + return true; + else + return false; +} + +static bool wm5110_is_adsp_memory(struct device *dev, unsigned int reg) +{ + struct arizona *arizona = dev_get_drvdata(dev); + + switch (arizona->rev) { + case 0 ... 2: + return wm5110_is_rev_b_adsp_memory(reg); + default: + return wm5110_is_rev_d_adsp_memory(reg); + } +} + static bool wm5110_readable_register(struct device *dev, unsigned int reg) { switch (reg) { @@ -2308,7 +2367,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg) case ARIZONA_DSP4_STATUS_3: return true; default: - return false; + return wm5110_is_adsp_memory(dev, reg); } }
@@ -2368,16 +2427,18 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg) case ARIZONA_DSP4_STATUS_3: return true; default: - return false; + return wm5110_is_adsp_memory(dev, reg); } }
+#define WM5110_MAX_REGISTER 0x4a9fff + const struct regmap_config wm5110_spi_regmap = { .reg_bits = 32, .pad_bits = 16, .val_bits = 16,
- .max_register = ARIZONA_DSP1_STATUS_2, + .max_register = WM5110_MAX_REGISTER, .readable_reg = wm5110_readable_register, .volatile_reg = wm5110_volatile_register,
@@ -2391,7 +2452,7 @@ const struct regmap_config wm5110_i2c_regmap = { .reg_bits = 32, .val_bits = 16,
- .max_register = ARIZONA_DSP1_STATUS_2, + .max_register = WM5110_MAX_REGISTER, .readable_reg = wm5110_readable_register, .volatile_reg = wm5110_volatile_register,