diff options
Diffstat (limited to 'drivers/remoteproc/qcom_wcnss.c')
| -rw-r--r-- | drivers/remoteproc/qcom_wcnss.c | 116 |
1 files changed, 66 insertions, 50 deletions
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index 68f37296b151..ee18bf2e8054 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -14,12 +14,12 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/io.h> -#include <linux/of_address.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> -#include <linux/qcom_scm.h> +#include <linux/firmware/qcom/qcom_scm.h> #include <linux/regulator/consumer.h> #include <linux/remoteproc.h> #include <linux/soc/qcom/mdt_loader.h> @@ -117,10 +117,10 @@ static const struct wcnss_data pronto_v1_data = { .pmu_offset = 0x1004, .spare_offset = 0x1088, - .pd_names = { "mx", "cx" }, + .pd_names = { "cx", "mx" }, .vregs = (struct wcnss_vreg_info[]) { - { "vddmx", 950000, 1150000, 0 }, { "vddcx", .super_turbo = true}, + { "vddmx", 950000, 1150000, 0 }, { "vddpx", 1800000, 1800000, 0 }, }, .num_pd_vregs = 2, @@ -131,19 +131,30 @@ static const struct wcnss_data pronto_v2_data = { .pmu_offset = 0x1004, .spare_offset = 0x1088, - .pd_names = { "mx", "cx" }, + .pd_names = { "cx", "mx" }, .vregs = (struct wcnss_vreg_info[]) { - { "vddmx", 1287500, 1287500, 0 }, { "vddcx", .super_turbo = true }, + { "vddmx", 1287500, 1287500, 0 }, { "vddpx", 1800000, 1800000, 0 }, }, .num_pd_vregs = 2, .num_vregs = 1, }; +static const struct wcnss_data pronto_v3_data = { + .pmu_offset = 0x1004, + .spare_offset = 0x1088, + + .pd_names = { "mx", "cx" }, + .vregs = (struct wcnss_vreg_info[]) { + { "vddpx", 1800000, 1800000, 0 }, + }, + .num_vregs = 1, +}; + static int wcnss_load(struct rproc *rproc, const struct firmware *fw) { - struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; + struct qcom_wcnss *wcnss = rproc->priv; int ret; ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID, @@ -216,7 +227,7 @@ static void wcnss_configure_iris(struct qcom_wcnss *wcnss) static int wcnss_start(struct rproc *rproc) { - struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; + struct qcom_wcnss *wcnss = rproc->priv; int ret, i; mutex_lock(&wcnss->iris_lock); @@ -282,7 +293,7 @@ release_iris_lock: static int wcnss_stop(struct rproc *rproc) { - struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; + struct qcom_wcnss *wcnss = rproc->priv; int ret; if (wcnss->state) { @@ -309,7 +320,7 @@ static int wcnss_stop(struct rproc *rproc) static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) { - struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; + struct qcom_wcnss *wcnss = rproc->priv; int offset; offset = da - wcnss->mem_reloc; @@ -386,8 +397,17 @@ static irqreturn_t wcnss_stop_ack_interrupt(int irq, void *dev) static int wcnss_init_pds(struct qcom_wcnss *wcnss, const char * const pd_names[WCNSS_MAX_PDS]) { + struct device *dev = wcnss->dev; int i, ret; + /* Handle single power domain */ + if (dev->pm_domain) { + wcnss->pds[0] = dev; + wcnss->num_pds = 1; + pm_runtime_enable(dev); + return 0; + } + for (i = 0; i < WCNSS_MAX_PDS; i++) { if (!pd_names[i]) break; @@ -407,8 +427,15 @@ static int wcnss_init_pds(struct qcom_wcnss *wcnss, static void wcnss_release_pds(struct qcom_wcnss *wcnss) { + struct device *dev = wcnss->dev; int i; + /* Handle single power domain */ + if (wcnss->num_pds == 1 && dev->pm_domain) { + pm_runtime_disable(dev); + return; + } + for (i = 0; i < wcnss->num_pds; i++) dev_pm_domain_detach(wcnss->pds[i], false); } @@ -426,10 +453,14 @@ static int wcnss_init_regulators(struct qcom_wcnss *wcnss, * the regulators for the power domains. For old device trees we need to * reserve extra space to manage them through the regulator interface. */ - if (wcnss->num_pds) - info += num_pd_vregs; - else + if (wcnss->num_pds) { + info += wcnss->num_pds; + /* Handle single power domain case */ + if (wcnss->num_pds < num_pd_vregs) + num_vregs += num_pd_vregs - wcnss->num_pds; + } else { num_vregs += num_pd_vregs; + } bulk = devm_kcalloc(wcnss->dev, num_vregs, sizeof(struct regulator_bulk_data), @@ -495,28 +526,21 @@ static int wcnss_request_irq(struct qcom_wcnss *wcnss, static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss) { - struct device_node *node; - struct resource r; + struct resource res; int ret; - node = of_parse_phandle(wcnss->dev->of_node, "memory-region", 0); - if (!node) { - dev_err(wcnss->dev, "no memory-region specified\n"); - return -EINVAL; - } - - ret = of_address_to_resource(node, 0, &r); - of_node_put(node); - if (ret) + ret = of_reserved_mem_region_to_resource(wcnss->dev->of_node, 0, &res); + if (ret) { + dev_err(wcnss->dev, "unable to resolve memory-region\n"); return ret; + } - wcnss->mem_phys = wcnss->mem_reloc = r.start; - wcnss->mem_size = resource_size(&r); - wcnss->mem_region = devm_ioremap_wc(wcnss->dev, wcnss->mem_phys, wcnss->mem_size); - if (!wcnss->mem_region) { - dev_err(wcnss->dev, "unable to map memory region: %pa+%zx\n", - &r.start, wcnss->mem_size); - return -EBUSY; + wcnss->mem_phys = wcnss->mem_reloc = res.start; + wcnss->mem_size = resource_size(&res); + wcnss->mem_region = devm_ioremap_resource_wc(wcnss->dev, &res); + if (IS_ERR(wcnss->mem_region)) { + dev_err(wcnss->dev, "unable to map memory region: %pR\n", &res); + return PTR_ERR(wcnss->mem_region); } return 0; @@ -527,7 +551,6 @@ static int wcnss_probe(struct platform_device *pdev) const char *fw_name = WCNSS_FIRMWARE_NAME; const struct wcnss_data *data; struct qcom_wcnss *wcnss; - struct resource *res; struct rproc *rproc; void __iomem *mmio; int ret; @@ -547,15 +570,15 @@ static int wcnss_probe(struct platform_device *pdev) if (ret < 0 && ret != -EINVAL) return ret; - rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops, - fw_name, sizeof(*wcnss)); + rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops, + fw_name, sizeof(*wcnss)); if (!rproc) { dev_err(&pdev->dev, "unable to allocate remoteproc\n"); return -ENOMEM; } rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE); - wcnss = (struct qcom_wcnss *)rproc->priv; + wcnss = rproc->priv; wcnss->dev = &pdev->dev; wcnss->rproc = rproc; platform_set_drvdata(pdev, wcnss); @@ -565,16 +588,13 @@ static int wcnss_probe(struct platform_device *pdev) mutex_init(&wcnss->iris_lock); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pmu"); - mmio = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mmio)) { - ret = PTR_ERR(mmio); - goto free_rproc; - } + mmio = devm_platform_ioremap_resource_byname(pdev, "pmu"); + if (IS_ERR(mmio)) + return PTR_ERR(mmio); ret = wcnss_alloc_memory_region(wcnss); if (ret) - goto free_rproc; + return ret; wcnss->pmu_cfg = mmio + data->pmu_offset; wcnss->spare_out = mmio + data->spare_offset; @@ -585,7 +605,7 @@ static int wcnss_probe(struct platform_device *pdev) */ ret = wcnss_init_pds(wcnss, data->pd_names); if (ret && (ret != -ENODATA || !data->num_pd_vregs)) - goto free_rproc; + return ret; ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs, data->num_pd_vregs); @@ -649,13 +669,11 @@ remove_iris: qcom_iris_remove(wcnss->iris); detach_pds: wcnss_release_pds(wcnss); -free_rproc: - rproc_free(rproc); return ret; } -static int wcnss_remove(struct platform_device *pdev) +static void wcnss_remove(struct platform_device *pdev) { struct qcom_wcnss *wcnss = platform_get_drvdata(pdev); @@ -666,15 +684,13 @@ static int wcnss_remove(struct platform_device *pdev) qcom_remove_sysmon_subdev(wcnss->sysmon); qcom_remove_smd_subdev(wcnss->rproc, &wcnss->smd_subdev); wcnss_release_pds(wcnss); - rproc_free(wcnss->rproc); - - return 0; } static const struct of_device_id wcnss_of_match[] = { { .compatible = "qcom,riva-pil", &riva_data }, { .compatible = "qcom,pronto-v1-pil", &pronto_v1_data }, { .compatible = "qcom,pronto-v2-pil", &pronto_v2_data }, + { .compatible = "qcom,pronto-v3-pil", &pronto_v3_data }, { }, }; MODULE_DEVICE_TABLE(of, wcnss_of_match); |