15 #include <linux/platform_data/x86/clk-pmc-atom.h>
206 static inline u32 pmc_reg_read(struct pmc_dev *pmc, int reg_offset)  in pmc_reg_read()  argument
208 	return readl(pmc->regmap + reg_offset);  in pmc_reg_read()
211 static inline void pmc_reg_write(struct pmc_dev *pmc, int reg_offset, u32 val)  in pmc_reg_write()  argument
213 	writel(val, pmc->regmap + reg_offset);  in pmc_reg_write()
218 	struct pmc_dev *pmc = &pmc_device;  in pmc_atom_read()  local
220 	if (!pmc->init)  in pmc_atom_read()
223 	*value = pmc_reg_read(pmc, offset);  in pmc_atom_read()
244 static void pmc_hw_reg_setup(struct pmc_dev *pmc)  in pmc_hw_reg_setup()  argument
247 	 * Disable PMC S0IX_WAKE_EN events coming from:  in pmc_hw_reg_setup()
254 	pmc_reg_write(pmc, PMC_S0IX_WAKE_EN, (u32)PMC_WAKE_EN_SETTING);  in pmc_hw_reg_setup()
275 	struct pmc_dev *pmc = s->private;  in pmc_dev_state_show()  local
276 	const struct pmc_reg_map *m = pmc->map;  in pmc_dev_state_show()
280 	func_dis = pmc_reg_read(pmc, PMC_FUNC_DIS);  in pmc_dev_state_show()
281 	func_dis_2 = pmc_reg_read(pmc, PMC_FUNC_DIS_2);  in pmc_dev_state_show()
282 	d3_sts_0 = pmc_reg_read(pmc, PMC_D3_STS_0);  in pmc_dev_state_show()
283 	d3_sts_1 = pmc_reg_read(pmc, PMC_D3_STS_1);  in pmc_dev_state_show()
298 	struct pmc_dev *pmc = s->private;  in pmc_pss_state_show()  local
299 	const struct pmc_bit_map *map = pmc->map->pss;  in pmc_pss_state_show()
300 	u32 pss = pmc_reg_read(pmc, PMC_PSS);  in pmc_pss_state_show()
315 	struct pmc_dev *pmc = s->private;  in pmc_sleep_tmr_show()  local
318 	s0ir_tmr = (u64)pmc_reg_read(pmc, PMC_S0IR_TMR) << PMC_TMR_SHIFT;  in pmc_sleep_tmr_show()
319 	s0i1_tmr = (u64)pmc_reg_read(pmc, PMC_S0I1_TMR) << PMC_TMR_SHIFT;  in pmc_sleep_tmr_show()
320 	s0i2_tmr = (u64)pmc_reg_read(pmc, PMC_S0I2_TMR) << PMC_TMR_SHIFT;  in pmc_sleep_tmr_show()
321 	s0i3_tmr = (u64)pmc_reg_read(pmc, PMC_S0I3_TMR) << PMC_TMR_SHIFT;  in pmc_sleep_tmr_show()
322 	s0_tmr = (u64)pmc_reg_read(pmc, PMC_S0_TMR) << PMC_TMR_SHIFT;  in pmc_sleep_tmr_show()
334 static void pmc_dbgfs_register(struct pmc_dev *pmc)  in pmc_dbgfs_register()  argument
340 	pmc->dbgfs_dir = dir;  in pmc_dbgfs_register()
342 	debugfs_create_file("dev_state", S_IFREG | S_IRUGO, dir, pmc,  in pmc_dbgfs_register()
344 	debugfs_create_file("pss_state", S_IFREG | S_IRUGO, dir, pmc,  in pmc_dbgfs_register()
346 	debugfs_create_file("sleep_state", S_IFREG | S_IRUGO, dir, pmc,  in pmc_dbgfs_register()
350 static void pmc_dbgfs_register(struct pmc_dev *pmc)  in pmc_dbgfs_register()  argument
359 	pr_info("%s: PMC critical clocks quirk enabled\n", d->ident);  in dmi_callback()
440 	clkdev = platform_device_register_data(&pdev->dev, "clk-pmc-atom",  in pmc_setup_clks()
475 	struct pmc_dev *pmc = &pmc_device;  in pmc_s2idle_check()  local
476 	const struct pmc_reg_map *m = pmc->map;  in pmc_s2idle_check()
482 	func_dis = pmc_reg_read(pmc, PMC_FUNC_DIS);  in pmc_s2idle_check()
483 	func_dis_2 = pmc_reg_read(pmc, PMC_FUNC_DIS_2);  in pmc_s2idle_check()
484 	d3_sts_0 = pmc_reg_read(pmc, PMC_D3_STS_0);  in pmc_s2idle_check()
485 	d3_sts_1 = pmc_reg_read(pmc, PMC_D3_STS_1);  in pmc_s2idle_check()
506 	/* Forced-on PMC clocks prevent S0i3 */  in pmc_s2idle_check()
508 		u32 ctl = pmc_reg_read(pmc, PMC_CLK_CTL_OFFSET + 4 * i);  in pmc_s2idle_check()
531 	struct pmc_dev *pmc = &pmc_device;  in pmc_setup_dev()  local
544 	pci_read_config_dword(pdev, PMC_BASE_ADDR_OFFSET, &pmc->base_addr);  in pmc_setup_dev()
545 	pmc->base_addr &= PMC_BASE_ADDR_MASK;  in pmc_setup_dev()
547 	pmc->regmap = ioremap(pmc->base_addr, PMC_MMIO_REG_LEN);  in pmc_setup_dev()
548 	if (!pmc->regmap) {  in pmc_setup_dev()
553 	pmc->map = map;  in pmc_setup_dev()
555 	/* PMC hardware registers setup */  in pmc_setup_dev()
556 	pmc_hw_reg_setup(pmc);  in pmc_setup_dev()
558 	pmc_dbgfs_register(pmc);  in pmc_setup_dev()
561 	ret = pmc_setup_clks(pdev, pmc->regmap, data);  in pmc_setup_dev()
567 	pmc->init = true;  in pmc_setup_dev()
584 	 * We look for our device - PCU PMC.  in pmc_atom_init()