73 int hidma_mgmt_setup(struct hidma_mgmt_dev *mgmtdev)  in hidma_mgmt_setup()  argument
78 	if (!is_power_of_2(mgmtdev->max_write_request) ||  in hidma_mgmt_setup()
79 	    (mgmtdev->max_write_request < 128) ||  in hidma_mgmt_setup()
80 	    (mgmtdev->max_write_request > 1024)) {  in hidma_mgmt_setup()
81 		dev_err(&mgmtdev->pdev->dev, "invalid write request %d\n",  in hidma_mgmt_setup()
82 			mgmtdev->max_write_request);  in hidma_mgmt_setup()
86 	if (!is_power_of_2(mgmtdev->max_read_request) ||  in hidma_mgmt_setup()
87 	    (mgmtdev->max_read_request < 128) ||  in hidma_mgmt_setup()
88 	    (mgmtdev->max_read_request > 1024)) {  in hidma_mgmt_setup()
89 		dev_err(&mgmtdev->pdev->dev, "invalid read request %d\n",  in hidma_mgmt_setup()
90 			mgmtdev->max_read_request);  in hidma_mgmt_setup()
94 	if (mgmtdev->max_wr_xactions > HIDMA_MAX_WR_XACTIONS_MASK) {  in hidma_mgmt_setup()
95 		dev_err(&mgmtdev->pdev->dev,  in hidma_mgmt_setup()
101 	if (mgmtdev->max_rd_xactions > HIDMA_MAX_RD_XACTIONS_MASK) {  in hidma_mgmt_setup()
102 		dev_err(&mgmtdev->pdev->dev,  in hidma_mgmt_setup()
108 	for (i = 0; i < mgmtdev->dma_channels; i++) {  in hidma_mgmt_setup()
109 		if (mgmtdev->priority[i] > 1) {  in hidma_mgmt_setup()
110 			dev_err(&mgmtdev->pdev->dev,  in hidma_mgmt_setup()
115 		if (mgmtdev->weight[i] > HIDMA_MAX_CHANNEL_WEIGHT) {  in hidma_mgmt_setup()
116 			dev_err(&mgmtdev->pdev->dev,  in hidma_mgmt_setup()
123 		if (mgmtdev->weight[i] == 0)  in hidma_mgmt_setup()
124 			mgmtdev->weight[i] = 1;  in hidma_mgmt_setup()
127 	pm_runtime_get_sync(&mgmtdev->pdev->dev);  in hidma_mgmt_setup()
128 	val = readl(mgmtdev->virtaddr + HIDMA_MAX_BUS_REQ_LEN_OFFSET);  in hidma_mgmt_setup()
130 	val |= mgmtdev->max_write_request << HIDMA_MAX_BUS_WR_REQ_BIT_POS;  in hidma_mgmt_setup()
132 	val |= mgmtdev->max_read_request;  in hidma_mgmt_setup()
133 	writel(val, mgmtdev->virtaddr + HIDMA_MAX_BUS_REQ_LEN_OFFSET);  in hidma_mgmt_setup()
135 	val = readl(mgmtdev->virtaddr + HIDMA_MAX_XACTIONS_OFFSET);  in hidma_mgmt_setup()
137 	val |= mgmtdev->max_wr_xactions << HIDMA_MAX_WR_XACTIONS_BIT_POS;  in hidma_mgmt_setup()
139 	val |= mgmtdev->max_rd_xactions;  in hidma_mgmt_setup()
140 	writel(val, mgmtdev->virtaddr + HIDMA_MAX_XACTIONS_OFFSET);  in hidma_mgmt_setup()
142 	mgmtdev->hw_version =  in hidma_mgmt_setup()
143 	    readl(mgmtdev->virtaddr + HIDMA_HW_VERSION_OFFSET);  in hidma_mgmt_setup()
144 	mgmtdev->hw_version_major = (mgmtdev->hw_version >> 28) & 0xF;  in hidma_mgmt_setup()
145 	mgmtdev->hw_version_minor = (mgmtdev->hw_version >> 16) & 0xF;  in hidma_mgmt_setup()
147 	for (i = 0; i < mgmtdev->dma_channels; i++) {  in hidma_mgmt_setup()
148 		u32 weight = mgmtdev->weight[i];  in hidma_mgmt_setup()
149 		u32 priority = mgmtdev->priority[i];  in hidma_mgmt_setup()
151 		val = readl(mgmtdev->virtaddr + HIDMA_QOS_N_OFFSET + (4 * i));  in hidma_mgmt_setup()
156 		writel(val, mgmtdev->virtaddr + HIDMA_QOS_N_OFFSET + (4 * i));  in hidma_mgmt_setup()
159 	val = readl(mgmtdev->virtaddr + HIDMA_CHRESET_TIMEOUT_OFFSET);  in hidma_mgmt_setup()
161 	val |= mgmtdev->chreset_timeout_cycles & HIDMA_CHRESET_TIMEOUT_MASK;  in hidma_mgmt_setup()
162 	writel(val, mgmtdev->virtaddr + HIDMA_CHRESET_TIMEOUT_OFFSET);  in hidma_mgmt_setup()
164 	pm_runtime_mark_last_busy(&mgmtdev->pdev->dev);  in hidma_mgmt_setup()
165 	pm_runtime_put_autosuspend(&mgmtdev->pdev->dev);  in hidma_mgmt_setup()
172 	struct hidma_mgmt_dev *mgmtdev;  in hidma_mgmt_probe()  local
199 	mgmtdev = devm_kzalloc(&pdev->dev, sizeof(*mgmtdev), GFP_KERNEL);  in hidma_mgmt_probe()
200 	if (!mgmtdev) {  in hidma_mgmt_probe()
205 	mgmtdev->pdev = pdev;  in hidma_mgmt_probe()
206 	mgmtdev->addrsize = resource_size(res);  in hidma_mgmt_probe()
207 	mgmtdev->virtaddr = virtaddr;  in hidma_mgmt_probe()
210 				      &mgmtdev->dma_channels);  in hidma_mgmt_probe()
218 				      &mgmtdev->chreset_timeout_cycles);  in hidma_mgmt_probe()
225 				      &mgmtdev->max_write_request);  in hidma_mgmt_probe()
232 			(max_write_request != mgmtdev->max_write_request)) {  in hidma_mgmt_probe()
235 		mgmtdev->max_write_request = max_write_request;  in hidma_mgmt_probe()
237 		max_write_request = mgmtdev->max_write_request;  in hidma_mgmt_probe()
240 				      &mgmtdev->max_read_request);  in hidma_mgmt_probe()
246 			(max_read_request != mgmtdev->max_read_request)) {  in hidma_mgmt_probe()
249 		mgmtdev->max_read_request = max_read_request;  in hidma_mgmt_probe()
251 		max_read_request = mgmtdev->max_read_request;  in hidma_mgmt_probe()
254 				      &mgmtdev->max_wr_xactions);  in hidma_mgmt_probe()
260 			(max_wr_xactions != mgmtdev->max_wr_xactions)) {  in hidma_mgmt_probe()
263 		mgmtdev->max_wr_xactions = max_wr_xactions;  in hidma_mgmt_probe()
265 		max_wr_xactions = mgmtdev->max_wr_xactions;  in hidma_mgmt_probe()
268 				      &mgmtdev->max_rd_xactions);  in hidma_mgmt_probe()
274 			(max_rd_xactions != mgmtdev->max_rd_xactions)) {  in hidma_mgmt_probe()
277 		mgmtdev->max_rd_xactions = max_rd_xactions;  in hidma_mgmt_probe()
279 		max_rd_xactions = mgmtdev->max_rd_xactions;  in hidma_mgmt_probe()
281 	mgmtdev->priority = devm_kcalloc(&pdev->dev,  in hidma_mgmt_probe()
282 					 mgmtdev->dma_channels,  in hidma_mgmt_probe()
283 					 sizeof(*mgmtdev->priority),  in hidma_mgmt_probe()
285 	if (!mgmtdev->priority) {  in hidma_mgmt_probe()
290 	mgmtdev->weight = devm_kcalloc(&pdev->dev,  in hidma_mgmt_probe()
291 				       mgmtdev->dma_channels,  in hidma_mgmt_probe()
292 				       sizeof(*mgmtdev->weight), GFP_KERNEL);  in hidma_mgmt_probe()
293 	if (!mgmtdev->weight) {  in hidma_mgmt_probe()
298 	rc = hidma_mgmt_setup(mgmtdev);  in hidma_mgmt_probe()
305 	val = readl(mgmtdev->virtaddr + HIDMA_CFG_OFFSET);  in hidma_mgmt_probe()
307 	writel(val, mgmtdev->virtaddr + HIDMA_CFG_OFFSET);  in hidma_mgmt_probe()
309 	rc = hidma_mgmt_init_sys(mgmtdev);  in hidma_mgmt_probe()
317 		 mgmtdev->hw_version_major, mgmtdev->hw_version_minor,  in hidma_mgmt_probe()
318 		 &res->start, mgmtdev->dma_channels);  in hidma_mgmt_probe()
320 	platform_set_drvdata(pdev, mgmtdev);  in hidma_mgmt_probe()