65 	struct spear_spics *spics = container_of(chip, struct spear_spics,  in spics_set_value()  local
70 	tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_set_value()
71 	if (spics->last_off != offset) {  in spics_set_value()
72 		spics->last_off = offset;  in spics_set_value()
73 		tmp &= ~(spics->cs_enable_mask << spics->cs_enable_shift);  in spics_set_value()
74 		tmp |= offset << spics->cs_enable_shift;  in spics_set_value()
78 	tmp &= ~(0x1 << spics->cs_value_bit);  in spics_set_value()
79 	tmp |= value << spics->cs_value_bit;  in spics_set_value()
80 	writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_set_value()
97 	struct spear_spics *spics = container_of(chip, struct spear_spics,  in spics_request()  local
101 	if (!spics->use_count++) {  in spics_request()
102 		tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_request()
103 		tmp |= 0x1 << spics->sw_enable_bit;  in spics_request()
104 		tmp |= 0x1 << spics->cs_value_bit;  in spics_request()
105 		writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_request()
113 	struct spear_spics *spics = container_of(chip, struct spear_spics,  in spics_free()  local
117 	if (!--spics->use_count) {  in spics_free()
118 		tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_free()
119 		tmp &= ~(0x1 << spics->sw_enable_bit);  in spics_free()
120 		writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_free()
127 	struct spear_spics *spics;  in spics_gpio_probe()  local
137 	spics = devm_kzalloc(&pdev->dev, sizeof(*spics), GFP_KERNEL);  in spics_gpio_probe()
138 	if (!spics) {  in spics_gpio_probe()
143 	spics->base = devm_ioremap_resource(&pdev->dev, res);  in spics_gpio_probe()
144 	if (IS_ERR(spics->base))  in spics_gpio_probe()
145 		return PTR_ERR(spics->base);  in spics_gpio_probe()
148 				&spics->perip_cfg))  in spics_gpio_probe()
151 				&spics->sw_enable_bit))  in spics_gpio_probe()
154 				&spics->cs_value_bit))  in spics_gpio_probe()
157 				&spics->cs_enable_mask))  in spics_gpio_probe()
160 				&spics->cs_enable_shift))  in spics_gpio_probe()
163 	platform_set_drvdata(pdev, spics);  in spics_gpio_probe()
165 	spics->chip.ngpio = NUM_OF_GPIO;  in spics_gpio_probe()
166 	spics->chip.base = -1;  in spics_gpio_probe()
167 	spics->chip.request = spics_request;  in spics_gpio_probe()
168 	spics->chip.free = spics_free;  in spics_gpio_probe()
169 	spics->chip.direction_input = spics_direction_input;  in spics_gpio_probe()
170 	spics->chip.direction_output = spics_direction_output;  in spics_gpio_probe()
171 	spics->chip.get = spics_get_value;  in spics_gpio_probe()
172 	spics->chip.set = spics_set_value;  in spics_gpio_probe()
173 	spics->chip.label = dev_name(&pdev->dev);  in spics_gpio_probe()
174 	spics->chip.dev = &pdev->dev;  in spics_gpio_probe()
175 	spics->chip.owner = THIS_MODULE;  in spics_gpio_probe()
176 	spics->last_off = -1;  in spics_gpio_probe()
178 	ret = gpiochip_add(&spics->chip);  in spics_gpio_probe()