Lines Matching refs:mgmtdev
65 int hidma_mgmt_setup(struct hidma_mgmt_dev *mgmtdev) in hidma_mgmt_setup() argument
70 if (!is_power_of_2(mgmtdev->max_write_request) || in hidma_mgmt_setup()
71 (mgmtdev->max_write_request < 128) || in hidma_mgmt_setup()
72 (mgmtdev->max_write_request > 1024)) { in hidma_mgmt_setup()
73 dev_err(&mgmtdev->pdev->dev, "invalid write request %d\n", in hidma_mgmt_setup()
74 mgmtdev->max_write_request); in hidma_mgmt_setup()
78 if (!is_power_of_2(mgmtdev->max_read_request) || in hidma_mgmt_setup()
79 (mgmtdev->max_read_request < 128) || in hidma_mgmt_setup()
80 (mgmtdev->max_read_request > 1024)) { in hidma_mgmt_setup()
81 dev_err(&mgmtdev->pdev->dev, "invalid read request %d\n", in hidma_mgmt_setup()
82 mgmtdev->max_read_request); in hidma_mgmt_setup()
86 if (mgmtdev->max_wr_xactions > HIDMA_MAX_WR_XACTIONS_MASK) { in hidma_mgmt_setup()
87 dev_err(&mgmtdev->pdev->dev, in hidma_mgmt_setup()
93 if (mgmtdev->max_rd_xactions > HIDMA_MAX_RD_XACTIONS_MASK) { in hidma_mgmt_setup()
94 dev_err(&mgmtdev->pdev->dev, in hidma_mgmt_setup()
100 for (i = 0; i < mgmtdev->dma_channels; i++) { in hidma_mgmt_setup()
101 if (mgmtdev->priority[i] > 1) { in hidma_mgmt_setup()
102 dev_err(&mgmtdev->pdev->dev, in hidma_mgmt_setup()
107 if (mgmtdev->weight[i] > HIDMA_MAX_CHANNEL_WEIGHT) { in hidma_mgmt_setup()
108 dev_err(&mgmtdev->pdev->dev, in hidma_mgmt_setup()
115 if (mgmtdev->weight[i] == 0) in hidma_mgmt_setup()
116 mgmtdev->weight[i] = 1; in hidma_mgmt_setup()
119 pm_runtime_get_sync(&mgmtdev->pdev->dev); in hidma_mgmt_setup()
120 val = readl(mgmtdev->virtaddr + HIDMA_MAX_BUS_REQ_LEN_OFFSET); in hidma_mgmt_setup()
122 val |= mgmtdev->max_write_request << HIDMA_MAX_BUS_WR_REQ_BIT_POS; in hidma_mgmt_setup()
124 val |= mgmtdev->max_read_request; in hidma_mgmt_setup()
125 writel(val, mgmtdev->virtaddr + HIDMA_MAX_BUS_REQ_LEN_OFFSET); in hidma_mgmt_setup()
127 val = readl(mgmtdev->virtaddr + HIDMA_MAX_XACTIONS_OFFSET); in hidma_mgmt_setup()
129 val |= mgmtdev->max_wr_xactions << HIDMA_MAX_WR_XACTIONS_BIT_POS; in hidma_mgmt_setup()
131 val |= mgmtdev->max_rd_xactions; in hidma_mgmt_setup()
132 writel(val, mgmtdev->virtaddr + HIDMA_MAX_XACTIONS_OFFSET); in hidma_mgmt_setup()
134 mgmtdev->hw_version = in hidma_mgmt_setup()
135 readl(mgmtdev->virtaddr + HIDMA_HW_VERSION_OFFSET); in hidma_mgmt_setup()
136 mgmtdev->hw_version_major = (mgmtdev->hw_version >> 28) & 0xF; in hidma_mgmt_setup()
137 mgmtdev->hw_version_minor = (mgmtdev->hw_version >> 16) & 0xF; in hidma_mgmt_setup()
139 for (i = 0; i < mgmtdev->dma_channels; i++) { in hidma_mgmt_setup()
140 u32 weight = mgmtdev->weight[i]; in hidma_mgmt_setup()
141 u32 priority = mgmtdev->priority[i]; in hidma_mgmt_setup()
143 val = readl(mgmtdev->virtaddr + HIDMA_QOS_N_OFFSET + (4 * i)); in hidma_mgmt_setup()
148 writel(val, mgmtdev->virtaddr + HIDMA_QOS_N_OFFSET + (4 * i)); in hidma_mgmt_setup()
151 val = readl(mgmtdev->virtaddr + HIDMA_CHRESET_TIMEOUT_OFFSET); in hidma_mgmt_setup()
153 val |= mgmtdev->chreset_timeout_cycles & HIDMA_CHRESET_TIMEOUT_MASK; in hidma_mgmt_setup()
154 writel(val, mgmtdev->virtaddr + HIDMA_CHRESET_TIMEOUT_OFFSET); in hidma_mgmt_setup()
156 pm_runtime_mark_last_busy(&mgmtdev->pdev->dev); in hidma_mgmt_setup()
157 pm_runtime_put_autosuspend(&mgmtdev->pdev->dev); in hidma_mgmt_setup()
164 struct hidma_mgmt_dev *mgmtdev; in hidma_mgmt_probe() local
190 mgmtdev = devm_kzalloc(&pdev->dev, sizeof(*mgmtdev), GFP_KERNEL); in hidma_mgmt_probe()
191 if (!mgmtdev) { in hidma_mgmt_probe()
196 mgmtdev->pdev = pdev; in hidma_mgmt_probe()
197 mgmtdev->addrsize = resource_size(res); in hidma_mgmt_probe()
198 mgmtdev->virtaddr = virtaddr; in hidma_mgmt_probe()
201 &mgmtdev->dma_channels); in hidma_mgmt_probe()
209 &mgmtdev->chreset_timeout_cycles); in hidma_mgmt_probe()
216 &mgmtdev->max_write_request); in hidma_mgmt_probe()
223 (max_write_request != mgmtdev->max_write_request)) { in hidma_mgmt_probe()
226 mgmtdev->max_write_request = max_write_request; in hidma_mgmt_probe()
228 max_write_request = mgmtdev->max_write_request; in hidma_mgmt_probe()
231 &mgmtdev->max_read_request); in hidma_mgmt_probe()
237 (max_read_request != mgmtdev->max_read_request)) { in hidma_mgmt_probe()
240 mgmtdev->max_read_request = max_read_request; in hidma_mgmt_probe()
242 max_read_request = mgmtdev->max_read_request; in hidma_mgmt_probe()
245 &mgmtdev->max_wr_xactions); in hidma_mgmt_probe()
251 (max_wr_xactions != mgmtdev->max_wr_xactions)) { in hidma_mgmt_probe()
254 mgmtdev->max_wr_xactions = max_wr_xactions; in hidma_mgmt_probe()
256 max_wr_xactions = mgmtdev->max_wr_xactions; in hidma_mgmt_probe()
259 &mgmtdev->max_rd_xactions); in hidma_mgmt_probe()
265 (max_rd_xactions != mgmtdev->max_rd_xactions)) { in hidma_mgmt_probe()
268 mgmtdev->max_rd_xactions = max_rd_xactions; in hidma_mgmt_probe()
270 max_rd_xactions = mgmtdev->max_rd_xactions; in hidma_mgmt_probe()
272 mgmtdev->priority = devm_kcalloc(&pdev->dev, in hidma_mgmt_probe()
273 mgmtdev->dma_channels, in hidma_mgmt_probe()
274 sizeof(*mgmtdev->priority), in hidma_mgmt_probe()
276 if (!mgmtdev->priority) { in hidma_mgmt_probe()
281 mgmtdev->weight = devm_kcalloc(&pdev->dev, in hidma_mgmt_probe()
282 mgmtdev->dma_channels, in hidma_mgmt_probe()
283 sizeof(*mgmtdev->weight), GFP_KERNEL); in hidma_mgmt_probe()
284 if (!mgmtdev->weight) { in hidma_mgmt_probe()
289 rc = hidma_mgmt_setup(mgmtdev); in hidma_mgmt_probe()
296 val = readl(mgmtdev->virtaddr + HIDMA_CFG_OFFSET); in hidma_mgmt_probe()
298 writel(val, mgmtdev->virtaddr + HIDMA_CFG_OFFSET); in hidma_mgmt_probe()
300 rc = hidma_mgmt_init_sys(mgmtdev); in hidma_mgmt_probe()
308 mgmtdev->hw_version_major, mgmtdev->hw_version_minor, in hidma_mgmt_probe()
309 &res->start, mgmtdev->dma_channels); in hidma_mgmt_probe()
311 platform_set_drvdata(pdev, mgmtdev); in hidma_mgmt_probe()