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Commit 9581ae39 authored by Lee Jones's avatar Lee Jones
Browse files

mfd: ab8500-debug: Add support for ab8505 and ab9540



Make it possible to dump all registers in ab8505 and ab9540.

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Acked-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent e436ddff
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+372 −11
Original line number Diff line number Diff line
@@ -156,7 +156,9 @@ static struct hwreg_cfg hwreg_cfg = {

#define AB8500_REV_REG 0x80

static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = {
static struct ab8500_prcmu_ranges *debug_ranges;

struct ab8500_prcmu_ranges ab8500_debug_ranges[AB8500_NUM_BANKS] = {
	[0x0] = {
		.num_ranges = 0,
		.range = NULL,
@@ -485,6 +487,365 @@ static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = {
	},
};

struct ab8500_prcmu_ranges ab8505_debug_ranges[AB8500_NUM_BANKS] = {
	[0x0] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_SYS_CTRL1_BLOCK] = {
		.num_ranges = 5,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x04,
			},
			{
				.first = 0x42,
				.last = 0x42,
			},
			{
				.first = 0x52,
				.last = 0x52,
			},
			{
				.first = 0x54,
				.last = 0x57,
			},
			{
				.first = 0x80,
				.last = 0x83,
			},
		},
	},
	[AB8500_SYS_CTRL2_BLOCK] = {
		.num_ranges = 5,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x0D,
			},
			{
				.first = 0x0F,
				.last = 0x17,
			},
			{
				.first = 0x20,
				.last = 0x20,
			},
			{
				.first = 0x30,
				.last = 0x30,
			},
			{
				.first = 0x32,
				.last = 0x3A,
			},
		},
	},
	[AB8500_REGU_CTRL1] = {
		.num_ranges = 3,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x00,
			},
			{
				.first = 0x03,
				.last = 0x11,
			},
			{
				.first = 0x80,
				.last = 0x86,
			},
		},
	},
	[AB8500_REGU_CTRL2] = {
		.num_ranges = 6,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x06,
			},
			{
				.first = 0x08,
				.last = 0x15,
			},
			{
				.first = 0x17,
				.last = 0x19,
			},
			{
				.first = 0x1B,
				.last = 0x1D,
			},
			{
				.first = 0x1F,
				.last = 0x30,
			},
			{
				.first = 0x40,
				.last = 0x48,
			},
			/* 0x80-0x8B is SIM registers and should
			 * not be accessed from here */
		},
	},
	[AB8500_USB] = {
		.num_ranges = 3,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x80,
				.last = 0x83,
			},
			{
				.first = 0x87,
				.last = 0x8A,
			},
			{
				.first = 0x91,
				.last = 0x94,
			},
		},
	},
	[AB8500_TVOUT] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_DBI] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_ECI_AV_ACC] = {
		.num_ranges = 1,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x80,
				.last = 0x82,
			},
		},
	},
	[AB8500_RESERVED] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_GPADC] = {
		.num_ranges = 1,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x08,
			},
		},
	},
	[AB8500_CHARGER] = {
		.num_ranges = 9,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x02,
				.last = 0x03,
			},
			{
				.first = 0x05,
				.last = 0x05,
			},
			{
				.first = 0x40,
				.last = 0x44,
			},
			{
				.first = 0x50,
				.last = 0x57,
			},
			{
				.first = 0x60,
				.last = 0x60,
			},
			{
				.first = 0xA0,
				.last = 0xA7,
			},
			{
				.first = 0xAF,
				.last = 0xB2,
			},
			{
				.first = 0xC0,
				.last = 0xC2,
			},
			{
				.first = 0xF5,
				.last = 0xF5,
			},
		},
	},
	[AB8500_GAS_GAUGE] = {
		.num_ranges = 3,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x00,
			},
			{
				.first = 0x07,
				.last = 0x0A,
			},
			{
				.first = 0x10,
				.last = 0x14,
			},
		},
	},
	[AB8500_AUDIO] = {
		.num_ranges = 1,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x83,
			},
		},
	},
	[AB8500_INTERRUPT] = {
		.num_ranges = 11,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x04,
			},
			{
				.first = 0x06,
				.last = 0x07,
			},
			{
				.first = 0x09,
				.last = 0x09,
			},
			{
				.first = 0x0B,
				.last = 0x0C,
			},
			{
				.first = 0x12,
				.last = 0x15,
			},
			{
				.first = 0x18,
				.last = 0x18,
			},
			/* Latch registers should not be read here */
			{
				.first = 0x40,
				.last = 0x44,
			},
			{
				.first = 0x46,
				.last = 0x49,
			},
			{
				.first = 0x4B,
				.last = 0x4D,
			},
			{
				.first = 0x52,
				.last = 0x55,
			},
			{
				.first = 0x58,
				.last = 0x58,
			},
			/* LatchHier registers should not be read here */
		},
	},
	[AB8500_RTC] = {
		.num_ranges = 2,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x14,
			},
			{
				.first = 0x16,
				.last = 0x17,
			},
		},
	},
	[AB8500_MISC] = {
		.num_ranges = 8,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x06,
			},
			{
				.first = 0x10,
				.last = 0x16,
			},
			{
				.first = 0x20,
				.last = 0x26,
			},
			{
				.first = 0x30,
				.last = 0x36,
			},
			{
				.first = 0x40,
				.last = 0x46,
			},
			{
				.first = 0x50,
				.last = 0x50,
			},
			{
				.first = 0x60,
				.last = 0x6B,
			},
			{
				.first = 0x80,
				.last = 0x82,
			},
		},
	},
	[AB8500_DEVELOPMENT] = {
		.num_ranges = 2,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x00,
				.last = 0x00,
			},
			{
				.first = 0x05,
				.last = 0x05,
			},
		},
	},
	[AB8500_DEBUG] = {
		.num_ranges = 1,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x05,
				.last = 0x07,
			},
		},
	},
	[AB8500_PROD_TEST] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_STE_TEST] = {
		.num_ranges = 0,
		.range = NULL,
	},
	[AB8500_OTP_EMUL] = {
		.num_ranges = 1,
		.range = (struct ab8500_reg_range[]) {
			{
				.first = 0x01,
				.last = 0x15,
			},
		},
	},
};

static irqreturn_t ab8500_debug_handler(int irq, void *data)
{
	char buf[16];
@@ -529,9 +890,6 @@ static int ab8500_registers_print(struct device *dev, u32 bank,
				err = seq_printf(s, "  [0x%02X/0x%02X]: 0x%02X\n",
					bank, reg, value);
				if (err < 0) {
					dev_err(dev,
					"seq_printf overflow bank=0x%02X reg=0x%02X\n",
						bank, reg);
					/* Error is not returned here since
					 * the output is wanted in any case */
					return 0;
@@ -581,8 +939,6 @@ static int ab8500_print_all_banks(struct seq_file *s, void *p)

	for (i = 1; i < AB8500_NUM_BANKS; i++) {
		err = seq_printf(s, " bank 0x%02X:\n", i);
		if (err < 0)
			dev_err(dev, "seq_printf overflow, bank=0x%02X\n", i);

		ab8500_registers_print(dev, i, s);
	}
@@ -1937,14 +2293,19 @@ static int ab8500_debug_probe(struct platform_device *plf)
	if (!file)
		goto err;

	if (is_ab8500(ab8500))
	if (is_ab8500(ab8500)) {
		debug_ranges = ab8500_debug_ranges;
		num_interrupt_lines = AB8500_NR_IRQS;
	else if (is_ab8505(ab8500))
	} else if (is_ab8505(ab8500)) {
		debug_ranges = ab8505_debug_ranges;
		num_interrupt_lines = AB8505_NR_IRQS;
	else if (is_ab9540(ab8500))
	} else if (is_ab9540(ab8500)) {
		debug_ranges = ab8505_debug_ranges;
		num_interrupt_lines = AB9540_NR_IRQS;
	else if (is_ab8540(ab8500))
	} else if (is_ab8540(ab8500)) {
		debug_ranges = ab8505_debug_ranges;
		num_interrupt_lines = AB8540_NR_IRQS;
	}

	file = debugfs_create_file("interrupts", (S_IRUGO),
	    ab8500_dir, &plf->dev, &ab8500_interrupts_fops);