Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *  Driver for PC-speaker like devices found on various Sparc systems.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *  Copyright (c) 2002 Vojtech Pavlik
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *  Copyright (c) 2002, 2006, 2008 David S. Miller (davem@davemloft.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) MODULE_DESCRIPTION("Sparc Speaker beeper driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) struct grover_beep_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	void __iomem	*freq_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	void __iomem	*enable_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) struct bbc_beep_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	u32		clock_freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	void __iomem	*regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) struct sparcspkr_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	const char		*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	spinlock_t		lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct input_dev	*input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		struct grover_beep_info grover;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		struct bbc_beep_info bbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	} u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static u32 bbc_count_to_reg(struct bbc_beep_info *info, unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	u32 val, clock_freq = info->clock_freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	if (!count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if (count <= clock_freq >> 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		return 1 << 18;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	if (count >= clock_freq >> 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		return 1 << 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	val = 1 << 18;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	for (i = 19; i >= 11; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		val >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		if (count <= clock_freq >> i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static int bbc_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	struct sparcspkr_state *state = dev_get_drvdata(dev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	struct bbc_beep_info *info = &state->u.bbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	unsigned int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	if (type != EV_SND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	switch (code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		case SND_BELL: if (value) value = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		case SND_TONE: break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		default: return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	if (value > 20 && value < 32767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		count = 1193182 / value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	count = bbc_count_to_reg(info, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	spin_lock_irqsave(&state->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	if (count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		sbus_writeb(0x01,                 info->regs + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		sbus_writeb(0x00,                 info->regs + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		sbus_writeb((count >> 16) & 0xff, info->regs + 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		sbus_writeb((count >>  8) & 0xff, info->regs + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		sbus_writeb(0x00,                 info->regs + 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		sbus_writeb(0x00,                 info->regs + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	spin_unlock_irqrestore(&state->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int grover_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	struct sparcspkr_state *state = dev_get_drvdata(dev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	struct grover_beep_info *info = &state->u.grover;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	unsigned int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	if (type != EV_SND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	switch (code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		case SND_BELL: if (value) value = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		case SND_TONE: break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		default: return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (value > 20 && value < 32767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		count = 1193182 / value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	spin_lock_irqsave(&state->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	if (count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		/* enable counter 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		sbus_writeb(sbus_readb(info->enable_reg) | 3, info->enable_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		/* set command for counter 2, 2 byte write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		sbus_writeb(0xB6, info->freq_regs + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		/* select desired HZ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		sbus_writeb(count & 0xff, info->freq_regs + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		sbus_writeb((count >> 8) & 0xff, info->freq_regs + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		/* disable counter 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		sbus_writeb(sbus_readb(info->enable_reg) & 0xFC, info->enable_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	spin_unlock_irqrestore(&state->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static int sparcspkr_probe(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	struct sparcspkr_state *state = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	struct input_dev *input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	input_dev = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (!input_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	input_dev->name = state->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	input_dev->phys = "sparc/input0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	input_dev->id.bustype = BUS_ISA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	input_dev->id.vendor = 0x001f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	input_dev->id.product = 0x0001;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	input_dev->id.version = 0x0100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	input_dev->dev.parent = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	input_dev->evbit[0] = BIT_MASK(EV_SND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	input_dev->event = state->event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	error = input_register_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		input_free_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	state->input_dev = input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) static void sparcspkr_shutdown(struct platform_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	struct sparcspkr_state *state = platform_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	struct input_dev *input_dev = state->input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	/* turn off the speaker */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	state->event(input_dev, EV_SND, SND_BELL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static int bbc_beep_probe(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	struct sparcspkr_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	struct bbc_beep_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	struct device_node *dp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	state = kzalloc(sizeof(*state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if (!state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	state->name = "Sparc BBC Speaker";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	state->event = bbc_spkr_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	spin_lock_init(&state->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	dp = of_find_node_by_path("/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	if (!dp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	info = &state->u.bbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	info->clock_freq = of_getintprop_default(dp, "clock-frequency", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	if (!info->clock_freq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	info->regs = of_ioremap(&op->resource[0], 0, 6, "bbc beep");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	if (!info->regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	platform_set_drvdata(op, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	err = sparcspkr_probe(&op->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		goto out_clear_drvdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) out_clear_drvdata:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	of_iounmap(&op->resource[0], info->regs, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) out_err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static int bbc_remove(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	struct sparcspkr_state *state = platform_get_drvdata(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	struct input_dev *input_dev = state->input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	struct bbc_beep_info *info = &state->u.bbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	/* turn off the speaker */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	state->event(input_dev, EV_SND, SND_BELL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	input_unregister_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	of_iounmap(&op->resource[0], info->regs, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static const struct of_device_id bbc_beep_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		.name = "beep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		.compatible = "SUNW,bbc-beep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) MODULE_DEVICE_TABLE(of, bbc_beep_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static struct platform_driver bbc_beep_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		.name = "bbcbeep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		.of_match_table = bbc_beep_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	.probe		= bbc_beep_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	.remove		= bbc_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	.shutdown	= sparcspkr_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static int grover_beep_probe(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	struct sparcspkr_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	struct grover_beep_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	state = kzalloc(sizeof(*state), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	if (!state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	state->name = "Sparc Grover Speaker";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	state->event = grover_spkr_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	spin_lock_init(&state->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	info = &state->u.grover;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	info->freq_regs = of_ioremap(&op->resource[2], 0, 2, "grover beep freq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	if (!info->freq_regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	info->enable_reg = of_ioremap(&op->resource[3], 0, 1, "grover beep enable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	if (!info->enable_reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		goto out_unmap_freq_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	platform_set_drvdata(op, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	err = sparcspkr_probe(&op->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		goto out_clear_drvdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) out_clear_drvdata:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	of_iounmap(&op->resource[3], info->enable_reg, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) out_unmap_freq_regs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	of_iounmap(&op->resource[2], info->freq_regs, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) out_err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) static int grover_remove(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	struct sparcspkr_state *state = platform_get_drvdata(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	struct grover_beep_info *info = &state->u.grover;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	struct input_dev *input_dev = state->input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	/* turn off the speaker */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	state->event(input_dev, EV_SND, SND_BELL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	input_unregister_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	of_iounmap(&op->resource[3], info->enable_reg, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	of_iounmap(&op->resource[2], info->freq_regs, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	kfree(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) static const struct of_device_id grover_beep_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		.name = "beep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		.compatible = "SUNW,smbus-beep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) MODULE_DEVICE_TABLE(of, grover_beep_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static struct platform_driver grover_beep_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 		.name = "groverbeep",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		.of_match_table = grover_beep_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	.probe		= grover_beep_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	.remove		= grover_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	.shutdown	= sparcspkr_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static struct platform_driver * const drivers[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	&bbc_beep_driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	&grover_beep_driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static int __init sparcspkr_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static void __exit sparcspkr_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) module_init(sparcspkr_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) module_exit(sparcspkr_exit);