^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // AMD Renoir ACP PCI Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) //Copyright 2020 Advanced Micro Devices, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "rn_acp3x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int acp_power_gating;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) module_param(acp_power_gating, int, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) MODULE_PARM_DESC(acp_power_gating, "Enable acp power gating");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * dmic_acpi_check = -1 - Use ACPI/DMI method to detect the DMIC hardware presence at runtime
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * = 0 - Skip the DMIC device creation and return probe failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * = 1 - Force DMIC support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int dmic_acpi_check = ACP_DMIC_AUTO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) module_param(dmic_acpi_check, bint, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) MODULE_PARM_DESC(dmic_acpi_check, "Digital microphone presence (-1=auto, 0=none, 1=force)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct acp_dev_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) void __iomem *acp_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct platform_device *pdev[ACP_DEVS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int rn_acp_power_on(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) val = rn_readl(acp_base + ACP_PGFSM_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (val == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if ((val & ACP_PGFSM_STATUS_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) ACP_POWER_ON_IN_PROGRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) rn_writel(ACP_PGFSM_CNTL_POWER_ON_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) acp_base + ACP_PGFSM_CONTROL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) timeout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) while (++timeout < 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) val = rn_readl(acp_base + ACP_PGFSM_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (!val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static int rn_acp_power_off(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) rn_writel(ACP_PGFSM_CNTL_POWER_OFF_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) acp_base + ACP_PGFSM_CONTROL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) timeout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) while (++timeout < 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) val = rn_readl(acp_base + ACP_PGFSM_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if ((val & ACP_PGFSM_STATUS_MASK) == ACP_POWERED_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static int rn_acp_reset(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) rn_writel(1, acp_base + ACP_SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) timeout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) while (++timeout < 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) val = rn_readl(acp_base + ACP_SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) cpu_relax();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) rn_writel(0, acp_base + ACP_SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) timeout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) while (++timeout < 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) val = rn_readl(acp_base + ACP_SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (!val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) cpu_relax();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static void rn_acp_enable_interrupts(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) u32 ext_intr_ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) rn_writel(0x01, acp_base + ACP_EXTERNAL_INTR_ENB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ext_intr_ctrl = rn_readl(acp_base + ACP_EXTERNAL_INTR_CNTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ext_intr_ctrl |= ACP_ERROR_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) rn_writel(ext_intr_ctrl, acp_base + ACP_EXTERNAL_INTR_CNTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static void rn_acp_disable_interrupts(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) rn_writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) ACP_EXTERNAL_INTR_STAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) rn_writel(0x00, acp_base + ACP_EXTERNAL_INTR_ENB);
^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) static int rn_acp_init(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* power on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) ret = rn_acp_power_on(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) pr_err("ACP power on failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) rn_writel(0x01, acp_base + ACP_CONTROL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) /* Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ret = rn_acp_reset(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) pr_err("ACP reset failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) rn_writel(0x03, acp_base + ACP_CLKMUX_SEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) rn_acp_enable_interrupts(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static int rn_acp_deinit(void __iomem *acp_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) rn_acp_disable_interrupts(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ret = rn_acp_reset(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) pr_err("ACP reset failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) rn_writel(0x00, acp_base + ACP_CLKMUX_SEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) rn_writel(0x00, acp_base + ACP_CONTROL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /* power off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (acp_power_gating) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) ret = rn_acp_power_off(acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) pr_err("ACP power off failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static const struct dmi_system_id rn_acp_quirk_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /* Lenovo IdeaPad S340-14API */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81NB"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /* Lenovo IdeaPad Flex 5 14ARE05 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81X2"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) /* Lenovo IdeaPad 5 15ARE05 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "81YQ"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /* Lenovo ThinkPad X395 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) DMI_EXACT_MATCH(DMI_BOARD_NAME, "20NLCTO1WW"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static int snd_rn_acp_probe(struct pci_dev *pci,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) const struct pci_device_id *pci_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct acp_dev_data *adata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) struct platform_device_info pdevinfo[ACP_DEVS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #if defined(CONFIG_ACPI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) acpi_handle handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) acpi_integer dmic_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) const struct dmi_system_id *dmi_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) unsigned int irqflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) int ret, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) u32 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) /* Renoir device check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (pci->revision != 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (pci_enable_device(pci)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) dev_err(&pci->dev, "pci_enable_device failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) ret = pci_request_regions(pci, "AMD ACP3x audio");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) dev_err(&pci->dev, "pci_request_regions failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) goto disable_pci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) adata = devm_kzalloc(&pci->dev, sizeof(struct acp_dev_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (!adata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) goto release_regions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /* check for msi interrupt support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) ret = pci_enable_msi(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* msi is not enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) irqflags = IRQF_SHARED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) /* msi is enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) irqflags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) addr = pci_resource_start(pci, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) adata->acp_base = devm_ioremap(&pci->dev, addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) pci_resource_len(pci, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (!adata->acp_base) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) goto disable_msi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) pci_set_master(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) pci_set_drvdata(pci, adata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) ret = rn_acp_init(adata->acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) goto disable_msi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (!dmic_acpi_check) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) goto de_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) } else if (dmic_acpi_check == ACP_DMIC_AUTO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) #if defined(CONFIG_ACPI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) handle = ACPI_HANDLE(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (ACPI_FAILURE(ret)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) goto de_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (!dmic_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) goto de_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) dmi_id = dmi_first_match(rn_acp_quirk_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (dmi_id && !dmi_id->driver_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) dev_info(&pci->dev, "ACPI settings override using DMI (ACP mic is not present)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) goto de_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) adata->res = devm_kzalloc(&pci->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) sizeof(struct resource) * 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (!adata->res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) goto de_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) adata->res[0].name = "acp_pdm_iomem";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) adata->res[0].flags = IORESOURCE_MEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) adata->res[0].start = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) adata->res[0].end = addr + (ACP_REG_END - ACP_REG_START);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) adata->res[1].name = "acp_pdm_irq";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) adata->res[1].flags = IORESOURCE_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) adata->res[1].start = pci->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) adata->res[1].end = pci->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) memset(&pdevinfo, 0, sizeof(pdevinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) pdevinfo[0].name = "acp_rn_pdm_dma";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) pdevinfo[0].id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) pdevinfo[0].parent = &pci->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) pdevinfo[0].num_res = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) pdevinfo[0].res = adata->res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) pdevinfo[0].data = &irqflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) pdevinfo[0].size_data = sizeof(irqflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) pdevinfo[1].name = "dmic-codec";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) pdevinfo[1].id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) pdevinfo[1].parent = &pci->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) pdevinfo[2].name = "acp_pdm_mach";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) pdevinfo[2].id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) pdevinfo[2].parent = &pci->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) for (index = 0; index < ACP_DEVS; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) adata->pdev[index] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) platform_device_register_full(&pdevinfo[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (IS_ERR(adata->pdev[index])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) dev_err(&pci->dev, "cannot register %s device\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) pdevinfo[index].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ret = PTR_ERR(adata->pdev[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) goto unregister_devs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) pm_runtime_use_autosuspend(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) pm_runtime_put_noidle(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) pm_runtime_allow(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) unregister_devs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) for (index = 0; index < ACP_DEVS; index++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) platform_device_unregister(adata->pdev[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) de_init:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (rn_acp_deinit(adata->acp_base))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) dev_err(&pci->dev, "ACP de-init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) disable_msi:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) pci_disable_msi(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) release_regions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) pci_release_regions(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) disable_pci:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) pci_disable_device(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static int snd_rn_acp_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) struct acp_dev_data *adata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) adata = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) ret = rn_acp_deinit(adata->acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) dev_err(dev, "ACP de-init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) dev_dbg(dev, "ACP de-initialized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) return ret;
^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 int snd_rn_acp_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) struct acp_dev_data *adata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) adata = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) ret = rn_acp_init(adata->acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) dev_err(dev, "ACP init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) static const struct dev_pm_ops rn_acp_pm = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) .runtime_suspend = snd_rn_acp_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) .runtime_resume = snd_rn_acp_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) .suspend = snd_rn_acp_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) .resume = snd_rn_acp_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) static void snd_rn_acp_remove(struct pci_dev *pci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct acp_dev_data *adata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int ret, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) adata = pci_get_drvdata(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) for (index = 0; index < ACP_DEVS; index++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) platform_device_unregister(adata->pdev[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) ret = rn_acp_deinit(adata->acp_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) dev_err(&pci->dev, "ACP de-init failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) pm_runtime_forbid(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) pm_runtime_get_noresume(&pci->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) pci_disable_msi(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) pci_release_regions(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) pci_disable_device(pci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) static const struct pci_device_id snd_rn_acp_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_DEVICE_ID),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) .class = PCI_CLASS_MULTIMEDIA_OTHER << 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) .class_mask = 0xffffff },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) { 0, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) MODULE_DEVICE_TABLE(pci, snd_rn_acp_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static struct pci_driver rn_acp_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) .name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) .id_table = snd_rn_acp_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) .probe = snd_rn_acp_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) .remove = snd_rn_acp_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .pm = &rn_acp_pm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) module_pci_driver(rn_acp_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) MODULE_DESCRIPTION("AMD ACP Renoir PCI driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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